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authorDavid S. Miller <davem@davemloft.net>2010-08-16 14:09:34 -0700
committerDavid S. Miller <davem@davemloft.net>2010-08-16 14:09:34 -0700
commit300a103d1504134f8c4a7e831f995e917ea9b1e4 (patch)
tree7f94d5fff513d132bd0b57a9e3bd96c4cc80d707 /drivers
parent0a492896ac07336c98f37ad7fab4a6387b6ada78 (diff)
parentda5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/Kconfig11
-rw-r--r--drivers/acpi/Makefile5
-rw-r--r--drivers/acpi/acpica/acevents.h4
-rw-r--r--drivers/acpi/acpica/acglobal.h2
-rw-r--r--drivers/acpi/acpica/aclocal.h1
-rw-r--r--drivers/acpi/acpica/evgpe.c73
-rw-r--r--drivers/acpi/acpica/evxface.c77
-rw-r--r--drivers/acpi/acpica/evxfevnt.c62
-rw-r--r--drivers/acpi/acpica/utmutex.c5
-rw-r--r--drivers/acpi/apei/Kconfig9
-rw-r--r--drivers/acpi/apei/Makefile1
-rw-r--r--drivers/acpi/apei/apei-base.c4
-rw-r--r--drivers/acpi/apei/erst-dbg.c207
-rw-r--r--drivers/acpi/apei/erst.c1
-rw-r--r--drivers/acpi/apei/ghes.c172
-rw-r--r--drivers/acpi/apei/hest.c76
-rw-r--r--drivers/acpi/bus.c4
-rw-r--r--drivers/acpi/debug.c406
-rw-r--r--drivers/acpi/debugfs.c93
-rw-r--r--drivers/acpi/glue.c3
-rw-r--r--drivers/acpi/internal.h8
-rw-r--r--drivers/acpi/numa.c4
-rw-r--r--drivers/acpi/osl.c7
-rw-r--r--drivers/acpi/power.c129
-rw-r--r--drivers/acpi/proc.c70
-rw-r--r--drivers/acpi/processor_driver.c85
-rw-r--r--drivers/acpi/processor_idle.c102
-rw-r--r--drivers/acpi/processor_thermal.c83
-rw-r--r--drivers/acpi/processor_throttling.c2
-rw-r--r--drivers/acpi/sleep.c60
-rw-r--r--drivers/acpi/sleep.h5
-rw-r--r--drivers/acpi/sysfs.c (renamed from drivers/acpi/system.c)466
-rw-r--r--drivers/acpi/thermal.c86
-rw-r--r--drivers/acpi/video.c141
-rw-r--r--drivers/acpi/wakeup.c48
-rw-r--r--drivers/ata/Kconfig11
-rw-r--r--drivers/ata/Makefile2
-rw-r--r--drivers/ata/libata-acpi.c6
-rw-r--r--drivers/ata/libata-core.c2
-rw-r--r--drivers/ata/libata-scsi.c4
-rw-r--r--drivers/ata/pata_mpc52xx.c8
-rw-r--r--drivers/ata/pata_of_platform.c4
-rw-r--r--drivers/ata/pata_pxa.c411
-rw-r--r--drivers/ata/sata_fsl.c8
-rw-r--r--drivers/atm/fore200e.c26
-rw-r--r--drivers/atm/solos-pci.c7
-rw-r--r--drivers/base/node.c46
-rw-r--r--drivers/block/DAC960.c13
-rw-r--r--drivers/block/amiflop.c29
-rw-r--r--drivers/block/aoe/aoeblk.c6
-rw-r--r--drivers/block/ataflop.c32
-rw-r--r--drivers/block/brd.c9
-rw-r--r--drivers/block/cciss.c2165
-rw-r--r--drivers/block/cciss.h135
-rw-r--r--drivers/block/cciss_cmd.h36
-rw-r--r--drivers/block/cciss_scsi.c670
-rw-r--r--drivers/block/cpqarray.c78
-rw-r--r--drivers/block/drbd/drbd_actlog.c8
-rw-r--r--drivers/block/drbd/drbd_int.h16
-rw-r--r--drivers/block/drbd/drbd_main.c102
-rw-r--r--drivers/block/drbd/drbd_nl.c4
-rw-r--r--drivers/block/drbd/drbd_proc.c19
-rw-r--r--drivers/block/drbd/drbd_receiver.c135
-rw-r--r--drivers/block/drbd/drbd_req.c2
-rw-r--r--drivers/block/drbd/drbd_worker.c15
-rw-r--r--drivers/block/floppy.c182
-rw-r--r--drivers/block/hd.c2
-rw-r--r--drivers/block/loop.c9
-rw-r--r--drivers/block/mg_disk.c4
-rw-r--r--drivers/block/nbd.c7
-rw-r--r--drivers/block/osdblk.c15
-rw-r--r--drivers/block/paride/pcd.c21
-rw-r--r--drivers/block/paride/pd.c11
-rw-r--r--drivers/block/paride/pf.c26
-rw-r--r--drivers/block/pktcdvd.c20
-rw-r--r--drivers/block/ps3disk.c25
-rw-r--r--drivers/block/swim.c20
-rw-r--r--drivers/block/swim3.c32
-rw-r--r--drivers/block/ub.c35
-rw-r--r--drivers/block/umem.c2
-rw-r--r--drivers/block/viodasd.c21
-rw-r--r--drivers/block/virtio_blk.c88
-rw-r--r--drivers/block/xd.c19
-rw-r--r--drivers/block/xen-blkfront.c403
-rw-r--r--drivers/block/xsysace.c12
-rw-r--r--drivers/block/z2ram.c13
-rw-r--r--drivers/cdrom/cdrom.c46
-rw-r--r--drivers/cdrom/gdrom.c48
-rw-r--r--drivers/cdrom/viocd.c106
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/Makefile2
-rw-r--r--drivers/char/amiserial.c25
-rw-r--r--drivers/char/briq_panel.c6
-rw-r--r--drivers/char/cyclades.c22
-rw-r--r--drivers/char/epca.c4
-rw-r--r--drivers/char/hvc_iucv.c9
-rw-r--r--drivers/char/hvc_tile.c67
-rw-r--r--drivers/char/hw_random/n2-drv.c4
-rw-r--r--drivers/char/hw_random/n2rng.h2
-rw-r--r--drivers/char/hw_random/pasemi-rng.c4
-rw-r--r--drivers/char/ip2/ip2main.c4
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c69
-rw-r--r--drivers/char/ipmi/ipmi_watchdog.c42
-rw-r--r--drivers/char/isicom.c13
-rw-r--r--drivers/char/istallion.c68
-rw-r--r--drivers/char/keyboard.c10
-rw-r--r--drivers/char/misc.c2
-rw-r--r--drivers/char/mxser.c2
-rw-r--r--drivers/char/n_gsm.c3
-rw-r--r--drivers/char/n_hdlc.c16
-rw-r--r--drivers/char/n_r3964.c10
-rw-r--r--drivers/char/n_tty.c17
-rw-r--r--drivers/char/nozomi.c7
-rw-r--r--drivers/char/pcmcia/ipwireless/network.c2
-rw-r--r--drivers/char/pty.c47
-rw-r--r--drivers/char/riscom8.c14
-rw-r--r--drivers/char/rocket.c28
-rw-r--r--drivers/char/rtc.c2
-rw-r--r--drivers/char/selection.c13
-rw-r--r--drivers/char/serial167.c8
-rw-r--r--drivers/char/specialix.c13
-rw-r--r--drivers/char/stallion.c20
-rw-r--r--drivers/char/sx.c12
-rw-r--r--drivers/char/synclink.c21
-rw-r--r--drivers/char/synclink_gt.c92
-rw-r--r--drivers/char/synclinkmp.c43
-rw-r--r--drivers/char/tty_io.c150
-rw-r--r--drivers/char/tty_ioctl.c18
-rw-r--r--drivers/char/tty_ldisc.c43
-rw-r--r--drivers/char/tty_mutex.c47
-rw-r--r--drivers/char/tty_port.c4
-rw-r--r--drivers/char/vc_screen.c4
-rw-r--r--drivers/char/vt.c43
-rw-r--r--drivers/char/vt_ioctl.c17
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.c4
-rw-r--r--drivers/cpuidle/cpuidle.c31
-rw-r--r--drivers/cpuidle/governors/menu.c23
-rw-r--r--drivers/crypto/Kconfig2
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.c4
-rw-r--r--drivers/crypto/amcc/crypto4xx_core.h2
-rw-r--r--drivers/crypto/ixp4xx_crypto.c21
-rw-r--r--drivers/crypto/n2_core.c26
-rw-r--r--drivers/crypto/talitos.c6
-rw-r--r--drivers/dma/Kconfig22
-rw-r--r--drivers/dma/Makefile2
-rw-r--r--drivers/dma/at_hdmac.c4
-rw-r--r--drivers/dma/coh901318.c169
-rw-r--r--drivers/dma/dmatest.c2
-rw-r--r--drivers/dma/fsldma.c4
-rw-r--r--drivers/dma/intel_mid_dma.c1143
-rw-r--r--drivers/dma/intel_mid_dma_regs.h260
-rw-r--r--drivers/dma/ioat/dma.h1
-rw-r--r--drivers/dma/ioat/dma_v2.c24
-rw-r--r--drivers/dma/ioat/dma_v3.c5
-rw-r--r--drivers/dma/mpc512x_dma.c4
-rw-r--r--drivers/dma/pch_dma.c957
-rw-r--r--drivers/dma/ppc4xx/adma.c8
-rw-r--r--drivers/dma/shdma.c8
-rw-r--r--drivers/dma/ste_dma40.c860
-rw-r--r--drivers/dma/ste_dma40_ll.c40
-rw-r--r--drivers/dma/ste_dma40_ll.h15
-rw-r--r--drivers/dma/timb_dma.c8
-rw-r--r--drivers/edac/i5000_edac.c2
-rw-r--r--drivers/edac/i5400_edac.c2
-rw-r--r--drivers/edac/mpc85xx_edac.c28
-rw-r--r--drivers/edac/ppc4xx_edac.c12
-rw-r--r--drivers/firmware/Kconfig10
-rw-r--r--drivers/firmware/Makefile1
-rw-r--r--drivers/firmware/edd.c20
-rw-r--r--drivers/firmware/iscsi_ibft.c6
-rw-r--r--drivers/gpio/Kconfig18
-rw-r--r--drivers/gpio/Makefile2
-rw-r--r--drivers/gpio/gpiolib.c96
-rw-r--r--drivers/gpio/max730x.c22
-rw-r--r--drivers/gpio/pcf857x.c9
-rw-r--r--drivers/gpio/stmpe-gpio.c399
-rw-r--r--drivers/gpio/sx150x.c645
-rw-r--r--drivers/gpio/wm831x-gpio.c32
-rw-r--r--drivers/gpu/drm/ati_pcigart.c2
-rw-r--r--drivers/gpu/drm/drm_bufs.c33
-rw-r--r--drivers/gpu/drm/drm_crtc.c6
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c26
-rw-r--r--drivers/gpu/drm/drm_edid.c840
-rw-r--r--drivers/gpu/drm/drm_edid_modes.h380
-rw-r--r--drivers/gpu/drm/drm_fops.c16
-rw-r--r--drivers/gpu/drm/drm_gem.c2
-rw-r--r--drivers/gpu/drm/drm_ioctl.c1
-rw-r--r--drivers/gpu/drm/i2c/ch7006_drv.c1
-rw-r--r--drivers/gpu/drm/i2c/ch7006_mode.c5
-rw-r--r--drivers/gpu/drm/i2c/ch7006_priv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c26
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c4
-rw-r--r--drivers/gpu/drm/i915/i915_opregion.c1
-rw-r--r--drivers/gpu/drm/i915/intel_display.c15
-rw-r--r--drivers/gpu/drm/i915/intel_fb.c8
-rw-r--r--drivers/gpu/drm/nouveau/Makefile8
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c194
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.h1
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_connector.c19
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_display.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dp.c87
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drv.h45
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_encoder.h6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fbcon.c3
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c8
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_hw.c11
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_i2c.c41
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_i2c.h8
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_irq.c6
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_mem.c15
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_reg.h18
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c91
-rw-r--r--drivers/gpu/drm/nouveau/nv04_crtc.c15
-rw-r--r--drivers/gpu/drm/nouveau/nv04_dfp.c73
-rw-r--r--drivers/gpu/drm/nouveau/nv04_tv.c10
-rw-r--r--drivers/gpu/drm/nouveau/nv10_graph.c175
-rw-r--r--drivers/gpu/drm/nouveau/nv30_fb.c24
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c34
-rw-r--r--drivers/gpu/drm/nouveau/nv50_display.c5
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fb.c38
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_fifo.c96
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_graph.c75
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_instmem.c232
-rw-r--r--drivers/gpu/drm/radeon/r600_cp.c2
-rw-r--r--drivers/gpu/drm/radeon/r600_cs.c33
-rw-r--r--drivers/gpu/drm/radeon/radeon.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c180
-rw-r--r--drivers/gpu/drm/radeon/radeon_clocks.c81
-rw-r--r--drivers/gpu/drm/radeon/radeon_combios.c388
-rw-r--r--drivers/gpu/drm/radeon/radeon_connectors.c45
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_cursor.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c34
-rw-r--r--drivers/gpu/drm/radeon/radeon_fb.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_gem.c12
-rw-r--r--drivers/gpu/drm/radeon/radeon_i2c.c82
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c28
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h24
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c24
-rw-r--r--drivers/gpu/drm/radeon/reg_srcs/rv5151
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c8
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c2
-rw-r--r--drivers/hid/hid-wacom.c49
-rw-r--r--drivers/hwmon/Kconfig48
-rw-r--r--drivers/hwmon/Makefile3
-rw-r--r--drivers/hwmon/ams/ams.h2
-rw-r--r--drivers/hwmon/asc7621.c9
-rw-r--r--drivers/hwmon/coretemp.c23
-rw-r--r--drivers/hwmon/emc1403.c33
-rw-r--r--drivers/hwmon/emc2103.c740
-rw-r--r--drivers/hwmon/f71882fg.c83
-rw-r--r--drivers/hwmon/hdaps.c1
-rw-r--r--drivers/hwmon/it87.c46
-rw-r--r--drivers/hwmon/jc42.c593
-rw-r--r--drivers/hwmon/k8temp.c3
-rw-r--r--drivers/hwmon/lm75.c39
-rw-r--r--drivers/hwmon/lm75.h1
-rw-r--r--drivers/hwmon/ltc4245.c177
-rw-r--r--drivers/hwmon/mc13783-adc.c17
-rw-r--r--drivers/hwmon/pc87360.c31
-rw-r--r--drivers/hwmon/pc87427.c862
-rw-r--r--drivers/hwmon/smm665.c743
-rw-r--r--drivers/hwmon/ultra45_env.c4
-rw-r--r--drivers/hwmon/via-cputemp.c2
-rw-r--r--drivers/hwmon/w83627ehf.c97
-rw-r--r--drivers/i2c/Kconfig13
-rw-r--r--drivers/i2c/Makefile3
-rw-r--r--drivers/i2c/busses/Kconfig24
-rw-r--r--drivers/i2c/busses/Makefile1
-rw-r--r--drivers/i2c/busses/i2c-cpm.c8
-rw-r--r--drivers/i2c/busses/i2c-davinci.c314
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c6
-rw-r--r--drivers/i2c/busses/i2c-mpc.c4
-rw-r--r--drivers/i2c/busses/i2c-nuc900.c709
-rw-r--r--drivers/i2c/busses/i2c-pxa.c2
-rw-r--r--drivers/i2c/busses/i2c-sh_mobile.c121
-rw-r--r--drivers/i2c/i2c-core.c158
-rw-r--r--drivers/i2c/i2c-dev.c66
-rw-r--r--drivers/i2c/i2c-mux.c165
-rw-r--r--drivers/i2c/muxes/Kconfig18
-rw-r--r--drivers/i2c/muxes/Makefile8
-rw-r--r--drivers/i2c/muxes/pca954x.c301
-rw-r--r--drivers/ide/ide-atapi.c17
-rw-r--r--drivers/ide/ide-cd.c112
-rw-r--r--drivers/ide/ide-cd_ioctl.c2
-rw-r--r--drivers/ide/ide-disk.c18
-rw-r--r--drivers/ide/ide-disk_ioctl.c9
-rw-r--r--drivers/ide/ide-eh.c5
-rw-r--r--drivers/ide/ide-floppy.c27
-rw-r--r--drivers/ide/ide-floppy_ioctl.c12
-rw-r--r--drivers/ide/ide-gd.c19
-rw-r--r--drivers/ide/ide-io.c8
-rw-r--r--drivers/ide/ide-pm.c8
-rw-r--r--drivers/ide/ide-tape.c22
-rw-r--r--drivers/ide/ide-taskfile.c10
-rw-r--r--drivers/ide/ide.c20
-rw-r--r--drivers/ide/tx4938ide.c2
-rw-r--r--drivers/ide/tx4939ide.c2
-rw-r--r--drivers/ide/via82cxxx.c2
-rw-r--r--drivers/idle/Kconfig3
-rwxr-xr-xdrivers/idle/intel_idle.c61
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c9
-rw-r--r--drivers/infiniband/hw/cxgb4/resource.c7
-rw-r--r--drivers/infiniband/hw/cxgb4/t4.h2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c4
-rw-r--r--drivers/input/evdev.c152
-rw-r--r--drivers/input/input.c46
-rw-r--r--drivers/input/joydev.c31
-rw-r--r--drivers/input/joystick/a3d.c3
-rw-r--r--drivers/input/joystick/adi.c2
-rw-r--r--drivers/input/joystick/amijoy.c4
-rw-r--r--drivers/input/joystick/gf2k.c20
-rw-r--r--drivers/input/joystick/interact.c14
-rw-r--r--drivers/input/joystick/sidewinder.c18
-rw-r--r--drivers/input/joystick/xpad.c1
-rw-r--r--drivers/input/keyboard/Kconfig10
-rw-r--r--drivers/input/keyboard/Makefile1
-rw-r--r--drivers/input/keyboard/gpio_keys.c22
-rw-r--r--drivers/input/keyboard/hil_kbd.c21
-rw-r--r--drivers/input/keyboard/stmpe-keypad.c386
-rw-r--r--drivers/input/misc/adxl34x.c1
-rw-r--r--drivers/input/misc/ati_remote2.c26
-rw-r--r--drivers/input/misc/sparcspkr.c10
-rw-r--r--drivers/input/misc/uinput.c29
-rw-r--r--drivers/input/mouse/appletouch.c6
-rw-r--r--drivers/input/mouse/elantech.c31
-rw-r--r--drivers/input/mouse/elantech.h7
-rw-r--r--drivers/input/mouse/pc110pad.c4
-rw-r--r--drivers/input/mouse/psmouse-base.c14
-rw-r--r--drivers/input/mouse/synaptics.c4
-rw-r--r--drivers/input/mousedev.c44
-rw-r--r--drivers/input/serio/i8042-sparcio.h8
-rw-r--r--drivers/input/serio/i8042.c25
-rw-r--r--drivers/input/serio/xilinx_ps2.c4
-rw-r--r--drivers/input/tablet/aiptek.c15
-rw-r--r--drivers/input/tablet/wacom_wac.c4
-rw-r--r--drivers/input/touchscreen/Kconfig10
-rw-r--r--drivers/input/touchscreen/Makefile1
-rw-r--r--drivers/input/touchscreen/cy8ctmg110_ts.c6
-rw-r--r--drivers/input/touchscreen/stmpe-ts.c397
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c6
-rw-r--r--drivers/isdn/gigaset/capi.c1
-rw-r--r--drivers/isdn/hardware/avm/c4.c1
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-rw-r--r--drivers/usb/gadget/printer.c9
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c153
-rw-r--r--drivers/usb/gadget/serial.c4
-rw-r--r--drivers/usb/gadget/storage_common.c105
-rw-r--r--drivers/usb/gadget/u_ether.c15
-rw-r--r--drivers/usb/gadget/u_serial.c1
-rw-r--r--drivers/usb/gadget/webcam.c4
-rw-r--r--drivers/usb/gadget/zero.c2
-rw-r--r--drivers/usb/host/Kconfig11
-rw-r--r--drivers/usb/host/ehci-au1xxx.c2
-rw-r--r--drivers/usb/host/ehci-dbg.c196
-rw-r--r--drivers/usb/host/ehci-fsl.c3
-rw-r--r--drivers/usb/host/ehci-hcd.c49
-rw-r--r--drivers/usb/host/ehci-hub.c25
-rw-r--r--drivers/usb/host/ehci-lpm.c83
-rw-r--r--drivers/usb/host/ehci-omap.c36
-rw-r--r--drivers/usb/host/ehci-pci.c26
-rw-r--r--drivers/usb/host/ehci-ppc-of.c6
-rw-r--r--drivers/usb/host/ehci-q.c3
-rw-r--r--drivers/usb/host/ehci-sched.c182
-rw-r--r--drivers/usb/host/ehci-xilinx-of.c12
-rw-r--r--drivers/usb/host/ehci.h18
-rw-r--r--drivers/usb/host/fhci-hcd.c4
-rw-r--r--drivers/usb/host/hwa-hc.c4
-rw-r--r--drivers/usb/host/imx21-hcd.c2
-rw-r--r--drivers/usb/host/isp1362.h24
-rw-r--r--drivers/usb/host/isp1760-hcd.c3
-rw-r--r--drivers/usb/host/isp1760-if.c4
-rw-r--r--drivers/usb/host/ohci-dbg.c4
-rw-r--r--drivers/usb/host/ohci-hcd.c6
-rw-r--r--drivers/usb/host/ohci-hub.c23
-rw-r--r--drivers/usb/host/ohci-pci.c2
-rw-r--r--drivers/usb/host/ohci-pnx4008.c2
-rw-r--r--drivers/usb/host/ohci-ppc-of.c6
-rw-r--r--drivers/usb/host/ohci-ssb.c52
-rw-r--r--drivers/usb/host/oxu210hp-hcd.c7
-rw-r--r--drivers/usb/host/sl811-hcd.c5
-rw-r--r--drivers/usb/host/uhci-debug.c23
-rw-r--r--drivers/usb/host/uhci-hcd.c87
-rw-r--r--drivers/usb/host/uhci-hcd.h7
-rw-r--r--drivers/usb/host/uhci-hub.c6
-rw-r--r--drivers/usb/host/uhci-q.c4
-rw-r--r--drivers/usb/host/whci/hcd.c2
-rw-r--r--drivers/usb/host/whci/qset.c2
-rw-r--r--drivers/usb/host/xhci-mem.c101
-rw-r--r--drivers/usb/host/xhci-pci.c9
-rw-r--r--drivers/usb/host/xhci-ring.c1332
-rw-r--r--drivers/usb/host/xhci.c344
-rw-r--r--drivers/usb/host/xhci.h30
-rw-r--r--drivers/usb/misc/ftdi-elan.c4
-rw-r--r--drivers/usb/misc/iowarrior.c23
-rw-r--r--drivers/usb/misc/legousbtower.c6
-rw-r--r--drivers/usb/misc/rio500.c15
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb.c10
-rw-r--r--drivers/usb/misc/usblcd.c24
-rw-r--r--drivers/usb/misc/usbtest.c14
-rw-r--r--drivers/usb/mon/mon_bin.c24
-rw-r--r--drivers/usb/musb/musb_core.c7
-rw-r--r--drivers/usb/musb/musb_debugfs.c32
-rw-r--r--drivers/usb/musb/musb_gadget_ep0.c3
-rw-r--r--drivers/usb/musb/musb_virthub.c2
-rw-r--r--drivers/usb/musb/musbhsdma.c5
-rw-r--r--drivers/usb/musb/omap2430.c6
-rw-r--r--drivers/usb/otg/Kconfig2
-rw-r--r--drivers/usb/otg/ulpi.c134
-rw-r--r--drivers/usb/serial/Kconfig9
-rw-r--r--drivers/usb/serial/Makefile1
-rw-r--r--drivers/usb/serial/cp210x.c4
-rw-r--r--drivers/usb/serial/digi_acceleport.c14
-rw-r--r--drivers/usb/serial/ftdi_sio.c4
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h10
-rw-r--r--drivers/usb/serial/generic.c15
-rw-r--r--drivers/usb/serial/io_ti.c4
-rw-r--r--drivers/usb/serial/ipaq.c1
-rw-r--r--drivers/usb/serial/iuu_phoenix.c54
-rw-r--r--drivers/usb/serial/option.c17
-rw-r--r--drivers/usb/serial/ssu100.c698
-rw-r--r--drivers/usb/serial/usb-serial.c32
-rw-r--r--drivers/usb/storage/freecom.c23
-rw-r--r--drivers/usb/storage/isd200.c3
-rw-r--r--drivers/usb/storage/usb.c4
-rw-r--r--drivers/usb/usb-skeleton.c8
-rw-r--r--drivers/video/Kconfig19
-rw-r--r--drivers/video/Makefile2
-rw-r--r--drivers/video/bw2.c4
-rw-r--r--drivers/video/cg14.c6
-rw-r--r--drivers/video/cg3.c4
-rw-r--r--drivers/video/cg6.c6
-rw-r--r--drivers/video/console/Kconfig2
-rw-r--r--drivers/video/console/bitblit.c2
-rw-r--r--drivers/video/console/fbcon.c6
-rw-r--r--drivers/video/console/fbcon_ccw.c2
-rw-r--r--drivers/video/console/fbcon_cw.c2
-rw-r--r--drivers/video/console/fbcon_ud.c2
-rw-r--r--drivers/video/console/vgacon.c2
-rw-r--r--drivers/video/efifb.c8
-rw-r--r--drivers/video/fbmem.c6
-rw-r--r--drivers/video/ffb.c4
-rw-r--r--drivers/video/fsl-diu-fb.c8
-rw-r--r--drivers/video/igafb.c5
-rw-r--r--drivers/video/imxfb.c19
-rw-r--r--drivers/video/leo.c6
-rw-r--r--drivers/video/matrox/i2c-matroxfb.c2
-rw-r--r--drivers/video/mb862xx/mb862xxfb.c4
-rw-r--r--drivers/video/msm/mddi.c4
-rw-r--r--drivers/video/msm/mdp.c1
-rw-r--r--drivers/video/omap/lcd_apollon.c3
-rw-r--r--drivers/video/omap2/displays/panel-taal.c567
-rw-r--r--drivers/video/omap2/displays/panel-toppoly-tdo35s.c8
-rw-r--r--drivers/video/omap2/dss/dispc.c16
-rw-r--r--drivers/video/omap2/dss/display.c4
-rw-r--r--drivers/video/omap2/dss/dsi.c463
-rw-r--r--drivers/video/omap2/dss/dss.c6
-rw-r--r--drivers/video/omap2/dss/dss.h11
-rw-r--r--drivers/video/omap2/dss/manager.c204
-rw-r--r--drivers/video/omap2/dss/overlay.c2
-rw-r--r--drivers/video/omap2/dss/rfbi.c2
-rw-r--r--drivers/video/omap2/omapfb/omapfb-ioctl.c188
-rw-r--r--drivers/video/omap2/omapfb/omapfb-main.c229
-rw-r--r--drivers/video/omap2/omapfb/omapfb-sysfs.c70
-rw-r--r--drivers/video/omap2/omapfb/omapfb.h29
-rw-r--r--drivers/video/p9100.c4
-rw-r--r--drivers/video/platinumfb.c4
-rw-r--r--drivers/video/s3c-fb.c811
-rw-r--r--drivers/video/sh_mipi_dsi.c505
-rw-r--r--drivers/video/sh_mobile_hdmi.c1028
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c196
-rw-r--r--drivers/video/sunxvr1000.c4
-rw-r--r--drivers/video/tcx.c6
-rw-r--r--drivers/video/uvesafb.c7
-rw-r--r--drivers/video/via/chip.h1
-rw-r--r--drivers/video/via/hw.c587
-rw-r--r--drivers/video/via/hw.h14
-rw-r--r--drivers/video/via/ioctl.h3
-rw-r--r--drivers/video/via/lcd.c117
-rw-r--r--drivers/video/via/lcd.h5
-rw-r--r--drivers/video/via/share.h309
-rw-r--r--drivers/video/via/via-core.c22
-rw-r--r--drivers/video/via/via-gpio.c2
-rw-r--r--drivers/video/via/viafbdev.c284
-rw-r--r--drivers/video/vt8623fb.c2
-rw-r--r--drivers/video/w100fb.c4
-rw-r--r--drivers/video/xilinxfb.c4
-rw-r--r--drivers/watchdog/Kconfig37
-rw-r--r--drivers/watchdog/Makefile2
-rw-r--r--drivers/watchdog/cpwd.c4
-rw-r--r--drivers/watchdog/f71808e_wdt.c768
-rw-r--r--drivers/watchdog/gef_wdt.c2
-rw-r--r--drivers/watchdog/hpwdt.c310
-rw-r--r--drivers/watchdog/mpc8xxx_wdt.c4
-rw-r--r--drivers/watchdog/riowd.c4
-rw-r--r--drivers/watchdog/s3c2410_wdt.c17
-rw-r--r--drivers/watchdog/sch311x_wdt.c4
-rw-r--r--drivers/watchdog/sp805_wdt.c387
-rw-r--r--drivers/watchdog/wdt_pci.c15
-rw-r--r--drivers/xen/Kconfig5
-rw-r--r--drivers/xen/Makefile1
-rw-r--r--drivers/xen/balloon.c15
-rw-r--r--drivers/xen/swiotlb-xen.c515
-rw-r--r--drivers/xen/xenbus/xenbus_client.c90
-rw-r--r--drivers/zorro/proc.c17
1194 files changed, 64897 insertions, 22433 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 08e0140920e1..b811f2173f6f 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -54,17 +54,10 @@ config ACPI_PROCFS
they have been replaced by functions in /sys.
The deprecated files (and their replacements) include:
- /proc/acpi/sleep (/sys/power/state)
- /proc/acpi/info (/sys/module/acpi/parameters/acpica_version)
- /proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT)
- /proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
- /proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
- /proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
- /proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*)
- /proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/
- cpufreq/*)
/proc/acpi/processor/*/throttling (/sys/class/thermal/
cooling_device*/*)
+ /proc/acpi/video/*/brightness (/sys/class/backlight/)
+ /proc/acpi/thermal_zone/*/* (/sys/class/thermal/)
This option has no effect on /proc/acpi/ files
and functions which do not yet exist in /sys.
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 833b582d1762..3d031d02e54b 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -37,8 +37,9 @@ acpi-y += ec.o
acpi-$(CONFIG_ACPI_DOCK) += dock.o
acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
acpi-y += power.o
-acpi-y += system.o event.o
-acpi-$(CONFIG_ACPI_DEBUG) += debug.o
+acpi-y += event.o
+acpi-y += sysfs.o
+acpi-$(CONFIG_DEBUG_FS) += debugfs.o
acpi-$(CONFIG_ACPI_NUMA) += numa.o
acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o
ifdef CONFIG_ACPI_VIDEO
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index e0e6affb0d80..36867cd70eac 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -82,6 +82,10 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
+acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
+acpi_status acpi_raw_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
+
struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
u32 gpe_number);
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 18e796fe4295..1d192142c691 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -108,7 +108,7 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
/*
* Optionally enable output from the AML Debug Object.
*/
-u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
+u32 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
/*
* Optionally copy the entire DSDT to local memory (instead of simply
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index 1ee0bcf399aa..df85b53a674f 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -412,6 +412,7 @@ struct acpi_handler_info {
acpi_event_handler address; /* Address of handler, if any */
void *context; /* Context to be passed to handler */
struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */
+ u8 orig_flags; /* Original misc info about this GPE */
};
union acpi_gpe_dispatch_info {
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 7a6a3e6f4be0..f226eac314db 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -137,6 +137,79 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
/*******************************************************************************
*
+ * FUNCTION: acpi_raw_enable_gpe
+ *
+ * PARAMETERS: gpe_event_info - GPE to enable
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
+ * hardware-enabled.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status = AE_OK;
+
+ if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
+ return_ACPI_STATUS(AE_LIMIT);
+ }
+
+ gpe_event_info->runtime_count++;
+ if (gpe_event_info->runtime_count == 1) {
+ status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_ev_enable_gpe(gpe_event_info);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ gpe_event_info->runtime_count--;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_raw_disable_gpe
+ *
+ * PARAMETERS: gpe_event_info - GPE to disable
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Remove a reference to a GPE. When the last reference is
+ * removed, the GPE is hardware-disabled.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_raw_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
+{
+ acpi_status status = AE_OK;
+
+ if (!gpe_event_info->runtime_count) {
+ return_ACPI_STATUS(AE_LIMIT);
+ }
+
+ gpe_event_info->runtime_count--;
+ if (!gpe_event_info->runtime_count) {
+ status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
+ if (ACPI_SUCCESS(status)) {
+ status = acpi_hw_low_set_gpe(gpe_event_info,
+ ACPI_GPE_DISABLE);
+ }
+
+ if (ACPI_FAILURE(status)) {
+ gpe_event_info->runtime_count++;
+ }
+ }
+
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ev_low_get_gpe_info
*
* PARAMETERS: gpe_number - Raw GPE number
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
index 4a531cdf7942..14e48add32fa 100644
--- a/drivers/acpi/acpica/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -691,12 +691,22 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(status);
}
+ /* Allocate memory for the handler object */
+
+ handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
+ if (!handler) {
+ status = AE_NO_MEMORY;
+ goto unlock_and_exit;
+ }
+
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
if (!gpe_event_info) {
status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ goto free_and_exit;
}
/* Make sure that there isn't a handler there already */
@@ -704,24 +714,30 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
status = AE_ALREADY_EXISTS;
- goto unlock_and_exit;
+ goto free_and_exit;
}
/* Allocate and init handler object */
- handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
- if (!handler) {
- status = AE_NO_MEMORY;
- goto unlock_and_exit;
- }
-
handler->address = address;
handler->context = context;
handler->method_node = gpe_event_info->dispatch.method_node;
+ handler->orig_flags = gpe_event_info->flags &
+ (ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
+
+ /*
+ * If the GPE is associated with a method and it cannot wake up the
+ * system from sleep states, it was enabled automatically during
+ * initialization, so it has to be disabled now to avoid spurious
+ * execution of the handler.
+ */
+
+ if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD)
+ && !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE))
+ (void)acpi_raw_disable_gpe(gpe_event_info);
/* Install the handler */
- flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
gpe_event_info->dispatch.handler = handler;
/* Setup up dispatch flags to indicate handler (vs. method) */
@@ -735,6 +751,11 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
+
+free_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ ACPI_FREE(handler);
+ goto unlock_and_exit;
}
ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler)
@@ -770,11 +791,17 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
+ /* Make sure all deferred tasks are completed */
+
+ acpi_os_wait_events_complete(NULL);
+
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
@@ -798,34 +825,34 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
goto unlock_and_exit;
}
- /* Make sure all deferred tasks are completed */
-
- (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
- acpi_os_wait_events_complete(NULL);
- status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
- if (ACPI_FAILURE(status)) {
- return_ACPI_STATUS(status);
- }
-
/* Remove the handler */
- flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
handler = gpe_event_info->dispatch.handler;
/* Restore Method node (if any), set dispatch flags */
gpe_event_info->dispatch.method_node = handler->method_node;
- gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; /* Clear bits */
- if (handler->method_node) {
- gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD;
- }
- acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+ gpe_event_info->flags &=
+ ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK);
+ gpe_event_info->flags |= handler->orig_flags;
+
+ /*
+ * If the GPE was previously associated with a method and it cannot wake
+ * up the system from sleep states, it should be enabled at this point
+ * to restore the post-initialization configuration.
+ */
+
+ if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD)
+ && !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE))
+ (void)acpi_raw_enable_gpe(gpe_event_info);
/* Now we can free the handler object */
ACPI_FREE(handler);
- unlock_and_exit:
+unlock_and_exit:
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 0ec900da5794..304825528d48 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -294,7 +294,7 @@ ACPI_EXPORT_SYMBOL(acpi_gpe_wakeup)
******************************************************************************/
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
- acpi_status status = AE_OK;
+ acpi_status status = AE_BAD_PARAMETER;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
@@ -305,28 +305,10 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
+ if (gpe_event_info) {
+ status = acpi_raw_enable_gpe(gpe_event_info);
}
- if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
- status = AE_LIMIT; /* Too many references */
- goto unlock_and_exit;
- }
-
- gpe_event_info->runtime_count++;
- if (gpe_event_info->runtime_count == 1) {
- status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
- if (ACPI_SUCCESS(status)) {
- status = acpi_ev_enable_gpe(gpe_event_info);
- }
- if (ACPI_FAILURE(status)) {
- gpe_event_info->runtime_count--;
- }
- }
-
-unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
@@ -348,7 +330,7 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
******************************************************************************/
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
- acpi_status status = AE_OK;
+ acpi_status status = AE_BAD_PARAMETER;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
@@ -359,32 +341,10 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
- if (!gpe_event_info) {
- status = AE_BAD_PARAMETER;
- goto unlock_and_exit;
- }
-
- /* Hardware-disable a runtime GPE on removal of the last reference */
-
- if (!gpe_event_info->runtime_count) {
- status = AE_LIMIT; /* There are no references to remove */
- goto unlock_and_exit;
+ if (gpe_event_info) {
+ status = acpi_raw_disable_gpe(gpe_event_info) ;
}
- gpe_event_info->runtime_count--;
- if (!gpe_event_info->runtime_count) {
- status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
- if (ACPI_SUCCESS(status)) {
- status =
- acpi_hw_low_set_gpe(gpe_event_info,
- ACPI_GPE_DISABLE);
- }
- if (ACPI_FAILURE(status)) {
- gpe_event_info->runtime_count++;
- }
- }
-
-unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
@@ -411,7 +371,6 @@ acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number)
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
- u8 disable = 0;
ACPI_FUNCTION_TRACE(acpi_gpe_can_wake);
@@ -430,15 +389,12 @@ acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number)
}
gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
- disable = (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)
- && gpe_event_info->runtime_count;
+ if (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD) {
+ (void)acpi_raw_disable_gpe(gpe_event_info);
+ }
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
-
- if (disable)
- status = acpi_disable_gpe(gpe_device, gpe_number);
-
return_ACPI_STATUS(status);
}
ACPI_EXPORT_SYMBOL(acpi_gpe_can_wake)
diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c
index 058b3df48271..f5cca3a1300c 100644
--- a/drivers/acpi/acpica/utmutex.c
+++ b/drivers/acpi/acpica/utmutex.c
@@ -279,13 +279,10 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
{
- acpi_thread_id this_thread_id;
-
ACPI_FUNCTION_NAME(ut_release_mutex);
- this_thread_id = acpi_os_get_thread_id();
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %p releasing Mutex [%s]\n",
- ACPI_CAST_PTR(void, this_thread_id),
+ ACPI_CAST_PTR(void, acpi_os_get_thread_id()),
acpi_ut_get_mutex_name(mutex_id)));
if (mutex_id > ACPI_MAX_MUTEX) {
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index f8c668f27b5a..907e350f1c7d 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -28,3 +28,12 @@ config ACPI_APEI_EINJ
EINJ provides a hardware error injection mechanism, it is
mainly used for debugging and testing the other parts of
APEI and some other RAS features.
+
+config ACPI_APEI_ERST_DEBUG
+ tristate "APEI Error Record Serialization Table (ERST) Debug Support"
+ depends on ACPI_APEI
+ help
+ ERST is a way provided by APEI to save and retrieve hardware
+ error infomation to and from a persistent store. Enable this
+ if you want to debugging and testing the ERST kernel support
+ and firmware implementation.
diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile
index b13b03a17789..d1d1bc0a4ee1 100644
--- a/drivers/acpi/apei/Makefile
+++ b/drivers/acpi/apei/Makefile
@@ -1,5 +1,6 @@
obj-$(CONFIG_ACPI_APEI) += apei.o
obj-$(CONFIG_ACPI_APEI_GHES) += ghes.o
obj-$(CONFIG_ACPI_APEI_EINJ) += einj.o
+obj-$(CONFIG_ACPI_APEI_ERST_DEBUG) += erst-dbg.o
apei-y := apei-base.o hest.o cper.o erst.o
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 216e1e948ff6..73fd0c7487c1 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -482,14 +482,14 @@ err_unmap_ioport:
list_for_each_entry(res, &resources->ioport, list) {
if (res == res_bak)
break;
- release_mem_region(res->start, res->end - res->start);
+ release_region(res->start, res->end - res->start);
}
res_bak = NULL;
err_unmap_iomem:
list_for_each_entry(res, &resources->iomem, list) {
if (res == res_bak)
break;
- release_region(res->start, res->end - res->start);
+ release_mem_region(res->start, res->end - res->start);
}
return -EINVAL;
}
diff --git a/drivers/acpi/apei/erst-dbg.c b/drivers/acpi/apei/erst-dbg.c
new file mode 100644
index 000000000000..5281ddda2777
--- /dev/null
+++ b/drivers/acpi/apei/erst-dbg.c
@@ -0,0 +1,207 @@
+/*
+ * APEI Error Record Serialization Table debug support
+ *
+ * ERST is a way provided by APEI to save and retrieve hardware error
+ * infomation to and from a persistent store. This file provide the
+ * debugging/testing support for ERST kernel support and firmware
+ * implementation.
+ *
+ * Copyright 2010 Intel Corp.
+ * Author: Huang Ying <ying.huang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/uaccess.h>
+#include <acpi/apei.h>
+#include <linux/miscdevice.h>
+
+#include "apei-internal.h"
+
+#define ERST_DBG_PFX "ERST DBG: "
+
+#define ERST_DBG_RECORD_LEN_MAX 4096
+
+static void *erst_dbg_buf;
+static unsigned int erst_dbg_buf_len;
+
+/* Prevent erst_dbg_read/write from being invoked concurrently */
+static DEFINE_MUTEX(erst_dbg_mutex);
+
+static int erst_dbg_open(struct inode *inode, struct file *file)
+{
+ if (erst_disable)
+ return -ENODEV;
+
+ return nonseekable_open(inode, file);
+}
+
+static long erst_dbg_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
+{
+ int rc;
+ u64 record_id;
+ u32 record_count;
+
+ switch (cmd) {
+ case APEI_ERST_CLEAR_RECORD:
+ rc = copy_from_user(&record_id, (void __user *)arg,
+ sizeof(record_id));
+ if (rc)
+ return -EFAULT;
+ return erst_clear(record_id);
+ case APEI_ERST_GET_RECORD_COUNT:
+ rc = erst_get_record_count();
+ if (rc < 0)
+ return rc;
+ record_count = rc;
+ rc = put_user(record_count, (u32 __user *)arg);
+ if (rc)
+ return rc;
+ return 0;
+ default:
+ return -ENOTTY;
+ }
+}
+
+static ssize_t erst_dbg_read(struct file *filp, char __user *ubuf,
+ size_t usize, loff_t *off)
+{
+ int rc;
+ ssize_t len = 0;
+ u64 id;
+
+ if (*off != 0)
+ return -EINVAL;
+
+ if (mutex_lock_interruptible(&erst_dbg_mutex) != 0)
+ return -EINTR;
+
+retry_next:
+ rc = erst_get_next_record_id(&id);
+ if (rc)
+ goto out;
+ /* no more record */
+ if (id == APEI_ERST_INVALID_RECORD_ID)
+ goto out;
+retry:
+ rc = len = erst_read(id, erst_dbg_buf, erst_dbg_buf_len);
+ /* The record may be cleared by others, try read next record */
+ if (rc == -ENOENT)
+ goto retry_next;
+ if (rc < 0)
+ goto out;
+ if (len > ERST_DBG_RECORD_LEN_MAX) {
+ pr_warning(ERST_DBG_PFX
+ "Record (ID: 0x%llx) length is too long: %zd\n",
+ id, len);
+ rc = -EIO;
+ goto out;
+ }
+ if (len > erst_dbg_buf_len) {
+ kfree(erst_dbg_buf);
+ rc = -ENOMEM;
+ erst_dbg_buf = kmalloc(len, GFP_KERNEL);
+ if (!erst_dbg_buf)
+ goto out;
+ erst_dbg_buf_len = len;
+ goto retry;
+ }
+
+ rc = -EINVAL;
+ if (len > usize)
+ goto out;
+
+ rc = -EFAULT;
+ if (copy_to_user(ubuf, erst_dbg_buf, len))
+ goto out;
+ rc = 0;
+out:
+ mutex_unlock(&erst_dbg_mutex);
+ return rc ? rc : len;
+}
+
+static ssize_t erst_dbg_write(struct file *filp, const char __user *ubuf,
+ size_t usize, loff_t *off)
+{
+ int rc;
+ struct cper_record_header *rcd;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (usize > ERST_DBG_RECORD_LEN_MAX) {
+ pr_err(ERST_DBG_PFX "Too long record to be written\n");
+ return -EINVAL;
+ }
+
+ if (mutex_lock_interruptible(&erst_dbg_mutex))
+ return -EINTR;
+ if (usize > erst_dbg_buf_len) {
+ kfree(erst_dbg_buf);
+ rc = -ENOMEM;
+ erst_dbg_buf = kmalloc(usize, GFP_KERNEL);
+ if (!erst_dbg_buf)
+ goto out;
+ erst_dbg_buf_len = usize;
+ }
+ rc = copy_from_user(erst_dbg_buf, ubuf, usize);
+ if (rc) {
+ rc = -EFAULT;
+ goto out;
+ }
+ rcd = erst_dbg_buf;
+ rc = -EINVAL;
+ if (rcd->record_length != usize)
+ goto out;
+
+ rc = erst_write(erst_dbg_buf);
+
+out:
+ mutex_unlock(&erst_dbg_mutex);
+ return rc < 0 ? rc : usize;
+}
+
+static const struct file_operations erst_dbg_ops = {
+ .owner = THIS_MODULE,
+ .open = erst_dbg_open,
+ .read = erst_dbg_read,
+ .write = erst_dbg_write,
+ .unlocked_ioctl = erst_dbg_ioctl,
+};
+
+static struct miscdevice erst_dbg_dev = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "erst_dbg",
+ .fops = &erst_dbg_ops,
+};
+
+static __init int erst_dbg_init(void)
+{
+ return misc_register(&erst_dbg_dev);
+}
+
+static __exit void erst_dbg_exit(void)
+{
+ misc_deregister(&erst_dbg_dev);
+ kfree(erst_dbg_buf);
+}
+
+module_init(erst_dbg_init);
+module_exit(erst_dbg_exit);
+
+MODULE_AUTHOR("Huang Ying");
+MODULE_DESCRIPTION("APEI Error Record Serialization Table debug support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 864dd46c346f..18645f4e83cd 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -33,6 +33,7 @@
#include <linux/uaccess.h>
#include <linux/cper.h>
#include <linux/nmi.h>
+#include <linux/hardirq.h>
#include <acpi/apei.h>
#include "apei-internal.h"
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index fd0cc016a099..385a6059714a 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -41,6 +41,8 @@
#include <linux/interrupt.h>
#include <linux/cper.h>
#include <linux/kdebug.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
#include <acpi/apei.h>
#include <acpi/atomicio.h>
#include <acpi/hed.h>
@@ -87,6 +89,7 @@ struct ghes {
* used for that.
*/
static LIST_HEAD(ghes_sci);
+static DEFINE_MUTEX(ghes_list_mutex);
static struct ghes *ghes_new(struct acpi_hest_generic *generic)
{
@@ -132,26 +135,26 @@ static void ghes_fini(struct ghes *ghes)
}
enum {
- GHES_SER_NO = 0x0,
- GHES_SER_CORRECTED = 0x1,
- GHES_SER_RECOVERABLE = 0x2,
- GHES_SER_PANIC = 0x3,
+ GHES_SEV_NO = 0x0,
+ GHES_SEV_CORRECTED = 0x1,
+ GHES_SEV_RECOVERABLE = 0x2,
+ GHES_SEV_PANIC = 0x3,
};
static inline int ghes_severity(int severity)
{
switch (severity) {
- case CPER_SER_INFORMATIONAL:
- return GHES_SER_NO;
- case CPER_SER_CORRECTED:
- return GHES_SER_CORRECTED;
- case CPER_SER_RECOVERABLE:
- return GHES_SER_RECOVERABLE;
- case CPER_SER_FATAL:
- return GHES_SER_PANIC;
+ case CPER_SEV_INFORMATIONAL:
+ return GHES_SEV_NO;
+ case CPER_SEV_CORRECTED:
+ return GHES_SEV_CORRECTED;
+ case CPER_SEV_RECOVERABLE:
+ return GHES_SEV_RECOVERABLE;
+ case CPER_SEV_FATAL:
+ return GHES_SEV_PANIC;
default:
/* Unkown, go panic */
- return GHES_SER_PANIC;
+ return GHES_SEV_PANIC;
}
}
@@ -237,16 +240,16 @@ static void ghes_clear_estatus(struct ghes *ghes)
static void ghes_do_proc(struct ghes *ghes)
{
- int ser, processed = 0;
+ int sev, processed = 0;
struct acpi_hest_generic_data *gdata;
- ser = ghes_severity(ghes->estatus->error_severity);
+ sev = ghes_severity(ghes->estatus->error_severity);
apei_estatus_for_each_section(ghes->estatus, gdata) {
#ifdef CONFIG_X86_MCE
if (!uuid_le_cmp(*(uuid_le *)gdata->section_type,
CPER_SEC_PLATFORM_MEM)) {
apei_mce_report_mem_error(
- ser == GHES_SER_CORRECTED,
+ sev == GHES_SEV_CORRECTED,
(struct cper_sec_mem_err *)(gdata+1));
processed = 1;
}
@@ -293,18 +296,15 @@ static struct notifier_block ghes_notifier_sci = {
.notifier_call = ghes_notify_sci,
};
-static int hest_ghes_parse(struct acpi_hest_header *hest_hdr, void *data)
+static int __devinit ghes_probe(struct platform_device *ghes_dev)
{
struct acpi_hest_generic *generic;
struct ghes *ghes = NULL;
- int rc = 0;
+ int rc = -EINVAL;
- if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
- return 0;
-
- generic = (struct acpi_hest_generic *)hest_hdr;
+ generic = ghes_dev->dev.platform_data;
if (!generic->enabled)
- return 0;
+ return -ENODEV;
if (generic->error_block_length <
sizeof(struct acpi_hest_generic_status)) {
@@ -327,62 +327,91 @@ static int hest_ghes_parse(struct acpi_hest_header *hest_hdr, void *data)
ghes = NULL;
goto err;
}
- switch (generic->notify.type) {
- case ACPI_HEST_NOTIFY_POLLED:
- pr_warning(GHES_PFX
-"Generic hardware error source: %d notified via POLL is not supported!\n",
- generic->header.source_id);
- break;
- case ACPI_HEST_NOTIFY_EXTERNAL:
- case ACPI_HEST_NOTIFY_LOCAL:
- pr_warning(GHES_PFX
-"Generic hardware error source: %d notified via IRQ is not supported!\n",
- generic->header.source_id);
- break;
- case ACPI_HEST_NOTIFY_SCI:
+ if (generic->notify.type == ACPI_HEST_NOTIFY_SCI) {
+ mutex_lock(&ghes_list_mutex);
if (list_empty(&ghes_sci))
register_acpi_hed_notifier(&ghes_notifier_sci);
list_add_rcu(&ghes->list, &ghes_sci);
- break;
- case ACPI_HEST_NOTIFY_NMI:
- pr_warning(GHES_PFX
-"Generic hardware error source: %d notified via NMI is not supported!\n",
- generic->header.source_id);
- break;
- default:
- pr_warning(FW_WARN GHES_PFX
- "Unknown notification type: %u for generic hardware error source: %d\n",
- generic->notify.type, generic->header.source_id);
- break;
+ mutex_unlock(&ghes_list_mutex);
+ } else {
+ unsigned char *notify = NULL;
+
+ switch (generic->notify.type) {
+ case ACPI_HEST_NOTIFY_POLLED:
+ notify = "POLL";
+ break;
+ case ACPI_HEST_NOTIFY_EXTERNAL:
+ case ACPI_HEST_NOTIFY_LOCAL:
+ notify = "IRQ";
+ break;
+ case ACPI_HEST_NOTIFY_NMI:
+ notify = "NMI";
+ break;
+ }
+ if (notify) {
+ pr_warning(GHES_PFX
+"Generic hardware error source: %d notified via %s is not supported!\n",
+ generic->header.source_id, notify);
+ } else {
+ pr_warning(FW_WARN GHES_PFX
+"Unknown notification type: %u for generic hardware error source: %d\n",
+ generic->notify.type, generic->header.source_id);
+ }
+ rc = -ENODEV;
+ goto err;
}
+ platform_set_drvdata(ghes_dev, ghes);
return 0;
err:
- if (ghes)
+ if (ghes) {
ghes_fini(ghes);
+ kfree(ghes);
+ }
return rc;
}
-static void ghes_cleanup(void)
+static int __devexit ghes_remove(struct platform_device *ghes_dev)
{
- struct ghes *ghes, *nghes;
+ struct ghes *ghes;
+ struct acpi_hest_generic *generic;
- if (!list_empty(&ghes_sci))
- unregister_acpi_hed_notifier(&ghes_notifier_sci);
+ ghes = platform_get_drvdata(ghes_dev);
+ generic = ghes->generic;
+
+ switch (generic->notify.type) {
+ case ACPI_HEST_NOTIFY_SCI:
+ mutex_lock(&ghes_list_mutex);
+ list_del_rcu(&ghes->list);
+ if (list_empty(&ghes_sci))
+ unregister_acpi_hed_notifier(&ghes_notifier_sci);
+ mutex_unlock(&ghes_list_mutex);
+ break;
+ default:
+ BUG();
+ break;
+ }
synchronize_rcu();
+ ghes_fini(ghes);
+ kfree(ghes);
- list_for_each_entry_safe(ghes, nghes, &ghes_sci, list) {
- list_del(&ghes->list);
- ghes_fini(ghes);
- kfree(ghes);
- }
+ platform_set_drvdata(ghes_dev, NULL);
+
+ return 0;
}
+static struct platform_driver ghes_platform_driver = {
+ .driver = {
+ .name = "GHES",
+ .owner = THIS_MODULE,
+ },
+ .probe = ghes_probe,
+ .remove = ghes_remove,
+};
+
static int __init ghes_init(void)
{
- int rc;
-
if (acpi_disabled)
return -ENODEV;
@@ -391,32 +420,12 @@ static int __init ghes_init(void)
return -EINVAL;
}
- rc = apei_hest_parse(hest_ghes_parse, NULL);
- if (rc) {
- pr_err(GHES_PFX
- "Error during parsing HEST generic hardware error sources.\n");
- goto err_cleanup;
- }
-
- if (list_empty(&ghes_sci)) {
- pr_info(GHES_PFX
- "No functional generic hardware error sources.\n");
- rc = -ENODEV;
- goto err_cleanup;
- }
-
- pr_info(GHES_PFX
- "Generic Hardware Error Source support is initialized.\n");
-
- return 0;
-err_cleanup:
- ghes_cleanup();
- return rc;
+ return platform_driver_register(&ghes_platform_driver);
}
static void __exit ghes_exit(void)
{
- ghes_cleanup();
+ platform_driver_unregister(&ghes_platform_driver);
}
module_init(ghes_init);
@@ -425,3 +434,4 @@ module_exit(ghes_exit);
MODULE_AUTHOR("Huang Ying");
MODULE_DESCRIPTION("APEI Generic Hardware Error Source support");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:GHES");
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index e7f40d362cb3..343168d18266 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -34,6 +34,7 @@
#include <linux/kdebug.h>
#include <linux/highmem.h>
#include <linux/io.h>
+#include <linux/platform_device.h>
#include <acpi/apei.h>
#include "apei-internal.h"
@@ -47,11 +48,6 @@ EXPORT_SYMBOL_GPL(hest_disable);
static struct acpi_table_hest *hest_tab;
-static int hest_void_parse(struct acpi_hest_header *hest_hdr, void *data)
-{
- return 0;
-}
-
static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
[ACPI_HEST_TYPE_IA32_CHECK] = -1, /* need further calculation */
[ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1,
@@ -125,6 +121,69 @@ int apei_hest_parse(apei_hest_func_t func, void *data)
}
EXPORT_SYMBOL_GPL(apei_hest_parse);
+struct ghes_arr {
+ struct platform_device **ghes_devs;
+ unsigned int count;
+};
+
+static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
+{
+ int *count = data;
+
+ if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR)
+ (*count)++;
+ return 0;
+}
+
+static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
+{
+ struct acpi_hest_generic *generic;
+ struct platform_device *ghes_dev;
+ struct ghes_arr *ghes_arr = data;
+ int rc;
+
+ if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
+ return 0;
+ generic = (struct acpi_hest_generic *)hest_hdr;
+ if (!generic->enabled)
+ return 0;
+ ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
+ if (!ghes_dev)
+ return -ENOMEM;
+ ghes_dev->dev.platform_data = generic;
+ rc = platform_device_add(ghes_dev);
+ if (rc)
+ goto err;
+ ghes_arr->ghes_devs[ghes_arr->count++] = ghes_dev;
+
+ return 0;
+err:
+ platform_device_put(ghes_dev);
+ return rc;
+}
+
+static int hest_ghes_dev_register(unsigned int ghes_count)
+{
+ int rc, i;
+ struct ghes_arr ghes_arr;
+
+ ghes_arr.count = 0;
+ ghes_arr.ghes_devs = kmalloc(sizeof(void *) * ghes_count, GFP_KERNEL);
+ if (!ghes_arr.ghes_devs)
+ return -ENOMEM;
+
+ rc = apei_hest_parse(hest_parse_ghes, &ghes_arr);
+ if (rc)
+ goto err;
+out:
+ kfree(ghes_arr.ghes_devs);
+ return rc;
+err:
+ for (i = 0; i < ghes_arr.count; i++)
+ platform_device_unregister(ghes_arr.ghes_devs[i]);
+ goto out;
+}
+
static int __init setup_hest_disable(char *str)
{
hest_disable = 1;
@@ -137,6 +196,7 @@ static int __init hest_init(void)
{
acpi_status status;
int rc = -ENODEV;
+ unsigned int ghes_count = 0;
if (acpi_disabled)
goto err;
@@ -158,7 +218,11 @@ static int __init hest_init(void)
goto err;
}
- rc = apei_hest_parse(hest_void_parse, NULL);
+ rc = apei_hest_parse(hest_parse_ghes_count, &ghes_count);
+ if (rc)
+ goto err;
+
+ rc = hest_ghes_dev_register(ghes_count);
if (rc)
goto err;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index c1d23cd71652..5c221ab535d5 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1034,8 +1034,8 @@ static int __init acpi_init(void)
acpi_scan_init();
acpi_ec_init();
acpi_power_init();
- acpi_system_init();
- acpi_debug_init();
+ acpi_sysfs_init();
+ acpi_debugfs_init();
acpi_sleep_proc_init();
acpi_wakeup_device_init();
return result;
diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
deleted file mode 100644
index 146135e7a6a1..000000000000
--- a/drivers/acpi/debug.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- * debug.c - ACPI debug interface to userspace.
- */
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/moduleparam.h>
-#include <linux/debugfs.h>
-#include <linux/slab.h>
-#include <asm/uaccess.h>
-#include <acpi/acpi_drivers.h>
-
-#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("debug");
-
-struct acpi_dlayer {
- const char *name;
- unsigned long value;
-};
-struct acpi_dlevel {
- const char *name;
- unsigned long value;
-};
-#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
-
-static const struct acpi_dlayer acpi_debug_layers[] = {
- ACPI_DEBUG_INIT(ACPI_UTILITIES),
- ACPI_DEBUG_INIT(ACPI_HARDWARE),
- ACPI_DEBUG_INIT(ACPI_EVENTS),
- ACPI_DEBUG_INIT(ACPI_TABLES),
- ACPI_DEBUG_INIT(ACPI_NAMESPACE),
- ACPI_DEBUG_INIT(ACPI_PARSER),
- ACPI_DEBUG_INIT(ACPI_DISPATCHER),
- ACPI_DEBUG_INIT(ACPI_EXECUTER),
- ACPI_DEBUG_INIT(ACPI_RESOURCES),
- ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
- ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
- ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
- ACPI_DEBUG_INIT(ACPI_COMPILER),
- ACPI_DEBUG_INIT(ACPI_TOOLS),
-
- ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
- ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
-};
-
-static const struct acpi_dlevel acpi_debug_levels[] = {
- ACPI_DEBUG_INIT(ACPI_LV_INIT),
- ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
- ACPI_DEBUG_INIT(ACPI_LV_INFO),
-
- ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
- ACPI_DEBUG_INIT(ACPI_LV_PARSE),
- ACPI_DEBUG_INIT(ACPI_LV_LOAD),
- ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
- ACPI_DEBUG_INIT(ACPI_LV_EXEC),
- ACPI_DEBUG_INIT(ACPI_LV_NAMES),
- ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
- ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
- ACPI_DEBUG_INIT(ACPI_LV_TABLES),
- ACPI_DEBUG_INIT(ACPI_LV_VALUES),
- ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
- ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
- ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
- ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
-
- ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
- ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
- ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
-
- ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
- ACPI_DEBUG_INIT(ACPI_LV_THREADS),
- ACPI_DEBUG_INIT(ACPI_LV_IO),
- ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
-
- ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
- ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
- ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
- ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
-};
-
-/* --------------------------------------------------------------------------
- FS Interface (/sys)
- -------------------------------------------------------------------------- */
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
- int result = 0;
- int i;
-
- result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
-
- for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) {
- result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_layers[i].name,
- acpi_debug_layers[i].value,
- (acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' ');
- }
- result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
- ACPI_ALL_DRIVERS,
- (acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
- ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
- ACPI_ALL_DRIVERS) == 0 ? ' ' : '-');
- result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer);
-
- return result;
-}
-
-static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
- int result = 0;
- int i;
-
- result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
-
- for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
- result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_levels[i].name,
- acpi_debug_levels[i].value,
- (acpi_dbg_level & acpi_debug_levels[i].
- value) ? '*' : ' ');
- }
- result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n",
- acpi_dbg_level);
-
- return result;
-}
-
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644);
-
-static char trace_method_name[6];
-module_param_string(trace_method_name, trace_method_name, 6, 0644);
-static unsigned int trace_debug_layer;
-module_param(trace_debug_layer, uint, 0644);
-static unsigned int trace_debug_level;
-module_param(trace_debug_level, uint, 0644);
-
-static int param_set_trace_state(const char *val, struct kernel_param *kp)
-{
- int result = 0;
-
- if (!strncmp(val, "enable", strlen("enable") - 1)) {
- result = acpi_debug_trace(trace_method_name, trace_debug_level,
- trace_debug_layer, 0);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- if (!strncmp(val, "disable", strlen("disable") - 1)) {
- int name = 0;
- result = acpi_debug_trace((char *)&name, trace_debug_level,
- trace_debug_layer, 0);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- if (!strncmp(val, "1", 1)) {
- result = acpi_debug_trace(trace_method_name, trace_debug_level,
- trace_debug_layer, 1);
- if (result)
- result = -EBUSY;
- goto exit;
- }
-
- result = -EINVAL;
-exit:
- return result;
-}
-
-static int param_get_trace_state(char *buffer, struct kernel_param *kp)
-{
- if (!acpi_gbl_trace_method_name)
- return sprintf(buffer, "disable");
- else {
- if (acpi_gbl_trace_flags & 1)
- return sprintf(buffer, "1");
- else
- return sprintf(buffer, "enable");
- }
- return 0;
-}
-
-module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
- NULL, 0644);
-
-/* --------------------------------------------------------------------------
- DebugFS Interface
- -------------------------------------------------------------------------- */
-
-static ssize_t cm_write(struct file *file, const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- static char *buf;
- static int uncopied_bytes;
- struct acpi_table_header table;
- acpi_status status;
-
- if (!(*ppos)) {
- /* parse the table header to get the table length */
- if (count <= sizeof(struct acpi_table_header))
- return -EINVAL;
- if (copy_from_user(&table, user_buf,
- sizeof(struct acpi_table_header)))
- return -EFAULT;
- uncopied_bytes = table.length;
- buf = kzalloc(uncopied_bytes, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
- }
-
- if (uncopied_bytes < count) {
- kfree(buf);
- return -EINVAL;
- }
-
- if (copy_from_user(buf + (*ppos), user_buf, count)) {
- kfree(buf);
- return -EFAULT;
- }
-
- uncopied_bytes -= count;
- *ppos += count;
-
- if (!uncopied_bytes) {
- status = acpi_install_method(buf);
- kfree(buf);
- if (ACPI_FAILURE(status))
- return -EINVAL;
- add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
- }
-
- return count;
-}
-
-static const struct file_operations cm_fops = {
- .write = cm_write,
-};
-
-static int acpi_debugfs_init(void)
-{
- struct dentry *acpi_dir, *cm_dentry;
-
- acpi_dir = debugfs_create_dir("acpi", NULL);
- if (!acpi_dir)
- goto err;
-
- cm_dentry = debugfs_create_file("custom_method", S_IWUGO,
- acpi_dir, NULL, &cm_fops);
- if (!cm_dentry)
- goto err;
-
- return 0;
-
-err:
- if (acpi_dir)
- debugfs_remove(acpi_dir);
- return -EINVAL;
-}
-
-/* --------------------------------------------------------------------------
- FS Interface (/proc)
- -------------------------------------------------------------------------- */
-#ifdef CONFIG_ACPI_PROCFS
-#define ACPI_SYSTEM_FILE_DEBUG_LAYER "debug_layer"
-#define ACPI_SYSTEM_FILE_DEBUG_LEVEL "debug_level"
-
-static int acpi_system_debug_proc_show(struct seq_file *m, void *v)
-{
- unsigned int i;
-
- seq_printf(m, "%-25s\tHex SET\n", "Description");
-
- switch ((unsigned long)m->private) {
- case 0:
- for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
- seq_printf(m, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_layers[i].name,
- acpi_debug_layers[i].value,
- (acpi_dbg_layer & acpi_debug_layers[i].
- value) ? '*' : ' ');
- }
- seq_printf(m, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
- ACPI_ALL_DRIVERS,
- (acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
- ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
- ACPI_ALL_DRIVERS) ==
- 0 ? ' ' : '-');
- seq_printf(m,
- "--\ndebug_layer = 0x%08X (* = enabled, - = partial)\n",
- acpi_dbg_layer);
- break;
- case 1:
- for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
- seq_printf(m, "%-25s\t0x%08lX [%c]\n",
- acpi_debug_levels[i].name,
- acpi_debug_levels[i].value,
- (acpi_dbg_level & acpi_debug_levels[i].
- value) ? '*' : ' ');
- }
- seq_printf(m, "--\ndebug_level = 0x%08X (* = enabled)\n",
- acpi_dbg_level);
- break;
- }
- return 0;
-}
-
-static int acpi_system_debug_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_debug_proc_show, PDE(inode)->data);
-}
-
-static ssize_t acpi_system_debug_proc_write(struct file *file,
- const char __user * buffer,
- size_t count, loff_t *pos)
-{
- char debug_string[12] = { '\0' };
-
-
- if (count > sizeof(debug_string) - 1)
- return -EINVAL;
-
- if (copy_from_user(debug_string, buffer, count))
- return -EFAULT;
-
- debug_string[count] = '\0';
-
- switch ((unsigned long)PDE(file->f_path.dentry->d_inode)->data) {
- case 0:
- acpi_dbg_layer = simple_strtoul(debug_string, NULL, 0);
- break;
- case 1:
- acpi_dbg_level = simple_strtoul(debug_string, NULL, 0);
- break;
- default:
- return -EINVAL;
- }
-
- return count;
-}
-
-static const struct file_operations acpi_system_debug_proc_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_debug_proc_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = acpi_system_debug_proc_write,
-};
-#endif
-
-int __init acpi_procfs_init(void)
-{
-#ifdef CONFIG_ACPI_PROCFS
- struct proc_dir_entry *entry;
- int error = 0;
- char *name;
-
- /* 'debug_layer' [R/W] */
- name = ACPI_SYSTEM_FILE_DEBUG_LAYER;
- entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_debug_proc_fops,
- (void *)0);
- if (!entry)
- goto Error;
-
- /* 'debug_level' [R/W] */
- name = ACPI_SYSTEM_FILE_DEBUG_LEVEL;
- entry = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_debug_proc_fops,
- (void *)1);
- if (!entry)
- goto Error;
-
- Done:
- return error;
-
- Error:
- remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
- remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir);
- error = -ENODEV;
- goto Done;
-#else
- return 0;
-#endif
-}
-
-int __init acpi_debug_init(void)
-{
- acpi_debugfs_init();
- acpi_procfs_init();
- return 0;
-}
diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
new file mode 100644
index 000000000000..7de27d49c4b9
--- /dev/null
+++ b/drivers/acpi/debugfs.c
@@ -0,0 +1,93 @@
+/*
+ * debugfs.c - ACPI debugfs interface to userspace.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/uaccess.h>
+#include <linux/debugfs.h>
+#include <acpi/acpi_drivers.h>
+
+#define _COMPONENT ACPI_SYSTEM_COMPONENT
+ACPI_MODULE_NAME("debugfs");
+
+
+/* /sys/modules/acpi/parameters/aml_debug_output */
+
+module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
+ bool, 0644);
+MODULE_PARM_DESC(aml_debug_output,
+ "To enable/disable the ACPI Debug Object output.");
+
+/* /sys/kernel/debug/acpi/custom_method */
+
+static ssize_t cm_write(struct file *file, const char __user * user_buf,
+ size_t count, loff_t *ppos)
+{
+ static char *buf;
+ static int uncopied_bytes;
+ struct acpi_table_header table;
+ acpi_status status;
+
+ if (!(*ppos)) {
+ /* parse the table header to get the table length */
+ if (count <= sizeof(struct acpi_table_header))
+ return -EINVAL;
+ if (copy_from_user(&table, user_buf,
+ sizeof(struct acpi_table_header)))
+ return -EFAULT;
+ uncopied_bytes = table.length;
+ buf = kzalloc(uncopied_bytes, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ }
+
+ if (uncopied_bytes < count) {
+ kfree(buf);
+ return -EINVAL;
+ }
+
+ if (copy_from_user(buf + (*ppos), user_buf, count)) {
+ kfree(buf);
+ return -EFAULT;
+ }
+
+ uncopied_bytes -= count;
+ *ppos += count;
+
+ if (!uncopied_bytes) {
+ status = acpi_install_method(buf);
+ kfree(buf);
+ if (ACPI_FAILURE(status))
+ return -EINVAL;
+ add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
+ }
+
+ return count;
+}
+
+static const struct file_operations cm_fops = {
+ .write = cm_write,
+};
+
+int __init acpi_debugfs_init(void)
+{
+ struct dentry *acpi_dir, *cm_dentry;
+
+ acpi_dir = debugfs_create_dir("acpi", NULL);
+ if (!acpi_dir)
+ goto err;
+
+ cm_dentry = debugfs_create_file("custom_method", S_IWUGO,
+ acpi_dir, NULL, &cm_fops);
+ if (!cm_dentry)
+ goto err;
+
+ return 0;
+
+err:
+ if (acpi_dir)
+ debugfs_remove(acpi_dir);
+ return -EINVAL;
+}
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 4af6301601e7..78b0164c35b2 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -100,7 +100,8 @@ do_acpi_find_child(acpi_handle handle, u32 lvl, void *context, void **rv)
status = acpi_get_object_info(handle, &info);
if (ACPI_SUCCESS(status)) {
- if (info->address == find->address)
+ if ((info->address == find->address)
+ && (info->valid & ACPI_VALID_ADR))
find->handle = handle;
kfree(info);
}
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 8ae27264a00e..a212bfeddf8c 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -27,12 +27,12 @@
int init_acpi_device_notify(void);
int acpi_scan_init(void);
-int acpi_system_init(void);
+int acpi_sysfs_init(void);
-#ifdef CONFIG_ACPI_DEBUG
-int acpi_debug_init(void);
+#ifdef CONFIG_DEBUG_FS
+int acpi_debugfs_init(void);
#else
-static inline int acpi_debug_init(void) { return 0; }
+static inline int acpi_debugfs_init(void) { return 0; }
#endif
/* --------------------------------------------------------------------------
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index b0337d314604..5718566e00f9 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -255,12 +255,10 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
static int __init acpi_parse_srat(struct acpi_table_header *table)
{
- struct acpi_table_srat *srat;
-
if (!table)
return -EINVAL;
- srat = (struct acpi_table_srat *)table;
+ /* Real work done in acpi_table_parse_srat below. */
return 0;
}
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f14d3f251d26..65b25a303b86 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -141,15 +141,14 @@ static struct osi_linux {
static void __init acpi_request_region (struct acpi_generic_address *addr,
unsigned int length, char *desc)
{
- struct resource *res;
-
if (!addr->address || !length)
return;
+ /* Resources are never freed */
if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
- res = request_region(addr->address, length, desc);
+ request_region(addr->address, length, desc);
else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
- res = request_mem_region(addr->address, length, desc);
+ request_mem_region(addr->address, length, desc);
}
static int __init acpi_reserve_resources(void)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index f74d3b31e5c9..844c155aeb0f 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -40,8 +40,6 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/slab.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
#include "sleep.h"
@@ -64,7 +62,6 @@ module_param_named(power_nocheck, acpi_power_nocheck, bool, 000);
static int acpi_power_add(struct acpi_device *device);
static int acpi_power_remove(struct acpi_device *device, int type);
static int acpi_power_resume(struct acpi_device *device);
-static int acpi_power_open_fs(struct inode *inode, struct file *file);
static const struct acpi_device_id power_device_ids[] = {
{ACPI_POWER_HID, 0},
@@ -99,14 +96,6 @@ struct acpi_power_resource {
static struct list_head acpi_power_resource_list;
-static const struct file_operations acpi_power_fops = {
- .owner = THIS_MODULE,
- .open = acpi_power_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
/* --------------------------------------------------------------------------
Power Resource Management
-------------------------------------------------------------------------- */
@@ -255,7 +244,6 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev)
struct list_head *node, *next;
struct acpi_power_reference *ref;
-
result = acpi_power_get_context(handle, &resource);
if (result)
return result;
@@ -542,102 +530,6 @@ int acpi_power_transition(struct acpi_device *device, int state)
}
/* --------------------------------------------------------------------------
- FS Interface (/proc)
- -------------------------------------------------------------------------- */
-
-static struct proc_dir_entry *acpi_power_dir;
-
-static int acpi_power_seq_show(struct seq_file *seq, void *offset)
-{
- int count = 0;
- int result = 0, state;
- struct acpi_power_resource *resource = NULL;
- struct list_head *node, *next;
- struct acpi_power_reference *ref;
-
-
- resource = seq->private;
-
- if (!resource)
- goto end;
-
- result = acpi_power_get_state(resource->device->handle, &state);
- if (result)
- goto end;
-
- seq_puts(seq, "state: ");
- switch (state) {
- case ACPI_POWER_RESOURCE_STATE_ON:
- seq_puts(seq, "on\n");
- break;
- case ACPI_POWER_RESOURCE_STATE_OFF:
- seq_puts(seq, "off\n");
- break;
- default:
- seq_puts(seq, "unknown\n");
- break;
- }
-
- mutex_lock(&resource->resource_lock);
- list_for_each_safe(node, next, &resource->reference) {
- ref = container_of(node, struct acpi_power_reference, node);
- count++;
- }
- mutex_unlock(&resource->resource_lock);
-
- seq_printf(seq, "system level: S%d\n"
- "order: %d\n"
- "reference count: %d\n",
- resource->system_level,
- resource->order, count);
-
- end:
- return 0;
-}
-
-static int acpi_power_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_power_seq_show, PDE(inode)->data);
-}
-
-static int acpi_power_add_fs(struct acpi_device *device)
-{
- struct proc_dir_entry *entry = NULL;
-
-
- if (!device)
- return -EINVAL;
-
- if (!acpi_device_dir(device)) {
- acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
- acpi_power_dir);
- if (!acpi_device_dir(device))
- return -ENODEV;
- }
-
- /* 'status' [R] */
- entry = proc_create_data(ACPI_POWER_FILE_STATUS,
- S_IRUGO, acpi_device_dir(device),
- &acpi_power_fops, acpi_driver_data(device));
- if (!entry)
- return -EIO;
- return 0;
-}
-
-static int acpi_power_remove_fs(struct acpi_device *device)
-{
-
- if (acpi_device_dir(device)) {
- remove_proc_entry(ACPI_POWER_FILE_STATUS,
- acpi_device_dir(device));
- remove_proc_entry(acpi_device_bid(device), acpi_power_dir);
- acpi_device_dir(device) = NULL;
- }
-
- return 0;
-}
-
-/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
@@ -690,10 +582,6 @@ static int acpi_power_add(struct acpi_device *device)
break;
}
- result = acpi_power_add_fs(device);
- if (result)
- goto end;
-
printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device),
acpi_device_bid(device), state ? "on" : "off");
@@ -715,8 +603,6 @@ static int acpi_power_remove(struct acpi_device *device, int type)
resource = acpi_driver_data(device);
- acpi_power_remove_fs(device);
-
mutex_lock(&resource->resource_lock);
list_for_each_safe(node, next, &resource->reference) {
struct acpi_power_reference *ref = container_of(node, struct acpi_power_reference, node);
@@ -760,19 +646,6 @@ static int acpi_power_resume(struct acpi_device *device)
int __init acpi_power_init(void)
{
- int result = 0;
-
INIT_LIST_HEAD(&acpi_power_resource_list);
-
- acpi_power_dir = proc_mkdir(ACPI_POWER_CLASS, acpi_root_dir);
- if (!acpi_power_dir)
- return -ENODEV;
-
- result = acpi_bus_register_driver(&acpi_power_driver);
- if (result < 0) {
- remove_proc_entry(ACPI_POWER_CLASS, acpi_root_dir);
- return -ENODEV;
- }
-
- return 0;
+ return acpi_bus_register_driver(&acpi_power_driver);
}
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index 1ac678d2c51c..afad67769db6 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -17,64 +17,11 @@
/*
* this file provides support for:
- * /proc/acpi/sleep
* /proc/acpi/alarm
* /proc/acpi/wakeup
*/
ACPI_MODULE_NAME("sleep")
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
-{
- int i;
-
- for (i = 0; i <= ACPI_STATE_S5; i++) {
- if (sleep_states[i]) {
- seq_printf(seq, "S%d ", i);
- }
- }
-
- seq_puts(seq, "\n");
-
- return 0;
-}
-
-static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
-}
-
-static ssize_t
-acpi_system_write_sleep(struct file *file,
- const char __user * buffer, size_t count, loff_t * ppos)
-{
- char str[12];
- u32 state = 0;
- int error = 0;
-
- if (count > sizeof(str) - 1)
- goto Done;
- memset(str, 0, sizeof(str));
- if (copy_from_user(str, buffer, count))
- return -EFAULT;
-
- /* Check for S4 bios request */
- if (!strcmp(str, "4b")) {
- error = acpi_suspend(4);
- goto Done;
- }
- state = simple_strtoul(str, NULL, 0);
-#ifdef CONFIG_HIBERNATION
- if (state == 4) {
- error = hibernate();
- goto Done;
- }
-#endif
- error = acpi_suspend(state);
- Done:
- return error ? error : count;
-}
-#endif /* CONFIG_ACPI_PROCFS */
#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) || !defined(CONFIG_X86)
/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
@@ -463,17 +410,6 @@ static const struct file_operations acpi_system_wakeup_device_fops = {
.release = single_release,
};
-#ifdef CONFIG_ACPI_PROCFS
-static const struct file_operations acpi_system_sleep_fops = {
- .owner = THIS_MODULE,
- .open = acpi_system_sleep_open_fs,
- .read = seq_read,
- .write = acpi_system_write_sleep,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif /* CONFIG_ACPI_PROCFS */
-
#ifdef HAVE_ACPI_LEGACY_ALARM
static const struct file_operations acpi_system_alarm_fops = {
.owner = THIS_MODULE,
@@ -495,12 +431,6 @@ static u32 rtc_handler(void *context)
int __init acpi_sleep_proc_init(void)
{
-#ifdef CONFIG_ACPI_PROCFS
- /* 'sleep' [R/W] */
- proc_create("sleep", S_IFREG | S_IRUGO | S_IWUSR,
- acpi_root_dir, &acpi_system_sleep_fops);
-#endif /* CONFIG_ACPI_PROCFS */
-
#ifdef HAVE_ACPI_LEGACY_ALARM
/* 'alarm' [R/W] */
proc_create("alarm", S_IFREG | S_IRUGO | S_IWUSR,
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index 38ea0cc6dc49..156021892389 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -83,9 +83,6 @@ MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
static int acpi_processor_remove(struct acpi_device *device, int type);
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
-#endif
static void acpi_processor_notify(struct acpi_device *device, u32 event);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
@@ -113,15 +110,6 @@ static struct acpi_driver acpi_processor_driver = {
#define INSTALL_NOTIFY_HANDLER 1
#define UNINSTALL_NOTIFY_HANDLER 2
-#ifdef CONFIG_ACPI_PROCFS
-static const struct file_operations acpi_processor_info_fops = {
- .owner = THIS_MODULE,
- .open = acpi_processor_info_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif
DEFINE_PER_CPU(struct acpi_processor *, processors);
EXPORT_PER_CPU_SYMBOL(processors);
@@ -256,44 +244,8 @@ static int acpi_processor_errata(struct acpi_processor *pr)
return result;
}
-/* --------------------------------------------------------------------------
- FS Interface (/proc)
- -------------------------------------------------------------------------- */
-
-#ifdef CONFIG_ACPI_PROCFS
static struct proc_dir_entry *acpi_processor_dir = NULL;
-static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
-{
- struct acpi_processor *pr = seq->private;
-
-
- if (!pr)
- goto end;
-
- seq_printf(seq, "processor id: %d\n"
- "acpi id: %d\n"
- "bus mastering control: %s\n"
- "power management: %s\n"
- "throttling control: %s\n"
- "limit interface: %s\n",
- pr->id,
- pr->acpi_id,
- pr->flags.bm_control ? "yes" : "no",
- pr->flags.power ? "yes" : "no",
- pr->flags.throttling ? "yes" : "no",
- pr->flags.limit ? "yes" : "no");
-
- end:
- return 0;
-}
-
-static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_processor_info_seq_show,
- PDE(inode)->data);
-}
-
static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
@@ -306,14 +258,6 @@ static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
return -ENODEV;
}
- /* 'info' [R] */
- entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
- S_IRUGO, acpi_device_dir(device),
- &acpi_processor_info_fops,
- acpi_driver_data(device));
- if (!entry)
- return -EIO;
-
/* 'throttling' [R/W] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_THROTTLING,
S_IFREG | S_IRUGO | S_IWUSR,
@@ -322,43 +266,20 @@ static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
acpi_driver_data(device));
if (!entry)
return -EIO;
-
- /* 'limit' [R/W] */
- entry = proc_create_data(ACPI_PROCESSOR_FILE_LIMIT,
- S_IFREG | S_IRUGO | S_IWUSR,
- acpi_device_dir(device),
- &acpi_processor_limit_fops,
- acpi_driver_data(device));
- if (!entry)
- return -EIO;
return 0;
}
static int acpi_processor_remove_fs(struct acpi_device *device)
{
if (acpi_device_dir(device)) {
- remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
- acpi_device_dir(device));
remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
acpi_device_dir(device));
- remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
- acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
acpi_device_dir(device) = NULL;
}
return 0;
}
-#else
-static inline int acpi_processor_add_fs(struct acpi_device *device)
-{
- return 0;
-}
-static inline int acpi_processor_remove_fs(struct acpi_device *device)
-{
- return 0;
-}
-#endif
/* --------------------------------------------------------------------------
Driver Interface
@@ -921,11 +842,9 @@ static int __init acpi_processor_init(void)
memset(&errata, 0, sizeof(errata));
-#ifdef CONFIG_ACPI_PROCFS
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
-#endif
if (!cpuidle_register_driver(&acpi_idle_driver)) {
printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
@@ -952,9 +871,7 @@ static int __init acpi_processor_init(void)
out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
-#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
-#endif
return result;
}
@@ -974,9 +891,7 @@ static void __exit acpi_processor_exit(void)
cpuidle_unregister_driver(&acpi_idle_driver);
-#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
-#endif
return;
}
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index b4c2f3bdadeb..f4428e82b352 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -33,8 +33,6 @@
#include <linux/init.h>
#include <linux/cpufreq.h>
#include <linux/slab.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/moduleparam.h>
@@ -82,13 +80,6 @@ module_param(bm_check_disable, uint, 0000);
static unsigned int latency_factor __read_mostly = 2;
module_param(latency_factor, uint, 0644);
-#ifdef CONFIG_ACPI_PROCFS
-static u64 us_to_pm_timer_ticks(s64 t)
-{
- return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);
-}
-#endif
-
/*
* IBM ThinkPad R40e crashes mysteriously when going into C2 or C3.
* For now disable this. Probably a bug somewhere else.
@@ -689,78 +680,6 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr)
return 0;
}
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
-{
- struct acpi_processor *pr = seq->private;
- unsigned int i;
-
-
- if (!pr)
- goto end;
-
- seq_printf(seq, "active state: C%zd\n"
- "max_cstate: C%d\n"
- "maximum allowed latency: %d usec\n",
- pr->power.state ? pr->power.state - pr->power.states : 0,
- max_cstate, pm_qos_request(PM_QOS_CPU_DMA_LATENCY));
-
- seq_puts(seq, "states:\n");
-
- for (i = 1; i <= pr->power.count; i++) {
- seq_printf(seq, " %cC%d: ",
- (&pr->power.states[i] ==
- pr->power.state ? '*' : ' '), i);
-
- if (!pr->power.states[i].valid) {
- seq_puts(seq, "<not supported>\n");
- continue;
- }
-
- switch (pr->power.states[i].type) {
- case ACPI_STATE_C1:
- seq_printf(seq, "type[C1] ");
- break;
- case ACPI_STATE_C2:
- seq_printf(seq, "type[C2] ");
- break;
- case ACPI_STATE_C3:
- seq_printf(seq, "type[C3] ");
- break;
- default:
- seq_printf(seq, "type[--] ");
- break;
- }
-
- seq_puts(seq, "promotion[--] ");
-
- seq_puts(seq, "demotion[--] ");
-
- seq_printf(seq, "latency[%03d] usage[%08d] duration[%020Lu]\n",
- pr->power.states[i].latency,
- pr->power.states[i].usage,
- us_to_pm_timer_ticks(pr->power.states[i].time));
- }
-
- end:
- return 0;
-}
-
-static int acpi_processor_power_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_processor_power_seq_show,
- PDE(inode)->data);
-}
-
-static const struct file_operations acpi_processor_power_fops = {
- .owner = THIS_MODULE,
- .open = acpi_processor_power_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif
-
/**
* acpi_idle_bm_check - checks if bus master activity was detected
*/
@@ -803,13 +722,12 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx)
} else if (cx->entry_method == ACPI_CSTATE_HALT) {
acpi_safe_halt();
} else {
- int unused;
/* IO port based C-state */
inb(cx->address);
/* Dummy wait op - must do something useless after P_LVL2 read
because chipsets cannot guarantee that STPCLK# signal
gets asserted in time to freeze execution properly. */
- unused = inl(acpi_gbl_FADT.xpm_timer_block.address);
+ inl(acpi_gbl_FADT.xpm_timer_block.address);
}
start_critical_timings();
}
@@ -1172,9 +1090,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
{
acpi_status status = 0;
static int first_run;
-#ifdef CONFIG_ACPI_PROCFS
- struct proc_dir_entry *entry = NULL;
-#endif
if (boot_option_idle_override)
return 0;
@@ -1223,15 +1138,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
if (cpuidle_register_device(&pr->power.dev))
return -EIO;
}
-#ifdef CONFIG_ACPI_PROCFS
- /* 'power' [R] */
- entry = proc_create_data(ACPI_PROCESSOR_FILE_POWER,
- S_IRUGO, acpi_device_dir(device),
- &acpi_processor_power_fops,
- acpi_driver_data(device));
- if (!entry)
- return -EIO;
-#endif
return 0;
}
@@ -1244,11 +1150,5 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
cpuidle_unregister_device(&pr->power.dev);
pr->flags.power_setup_done = 0;
-#ifdef CONFIG_ACPI_PROCFS
- if (acpi_device_dir(device))
- remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,
- acpi_device_dir(device));
-#endif
-
return 0;
}
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 6deafb4aa0da..953b25fb9869 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -30,8 +30,6 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/cpufreq.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
#include <linux/sysdev.h>
#include <asm/uaccess.h>
@@ -438,84 +436,3 @@ struct thermal_cooling_device_ops processor_cooling_ops = {
.get_cur_state = processor_get_cur_state,
.set_cur_state = processor_set_cur_state,
};
-
-/* /proc interface */
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset)
-{
- struct acpi_processor *pr = seq->private;
-
- if (!pr)
- goto end;
-
- if (!pr->flags.limit) {
- seq_puts(seq, "<not supported>\n");
- goto end;
- }
-
- seq_printf(seq, "active limit: P%d:T%d\n"
- "user limit: P%d:T%d\n"
- "thermal limit: P%d:T%d\n",
- pr->limit.state.px, pr->limit.state.tx,
- pr->limit.user.px, pr->limit.user.tx,
- pr->limit.thermal.px, pr->limit.thermal.tx);
-
- end:
- return 0;
-}
-
-static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_processor_limit_seq_show,
- PDE(inode)->data);
-}
-
-static ssize_t acpi_processor_write_limit(struct file * file,
- const char __user * buffer,
- size_t count, loff_t * data)
-{
- int result = 0;
- struct seq_file *m = file->private_data;
- struct acpi_processor *pr = m->private;
- char limit_string[25] = { '\0' };
- int px = 0;
- int tx = 0;
-
-
- if (!pr || (count > sizeof(limit_string) - 1)) {
- return -EINVAL;
- }
-
- if (copy_from_user(limit_string, buffer, count)) {
- return -EFAULT;
- }
-
- limit_string[count] = '\0';
-
- if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) {
- printk(KERN_ERR PREFIX "Invalid data format\n");
- return -EINVAL;
- }
-
- if (pr->flags.throttling) {
- if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) {
- printk(KERN_ERR PREFIX "Invalid tx\n");
- return -EINVAL;
- }
- pr->limit.user.tx = tx;
- }
-
- result = acpi_processor_apply_limit(pr);
-
- return count;
-}
-
-const struct file_operations acpi_processor_limit_fops = {
- .owner = THIS_MODULE,
- .open = acpi_processor_limit_open_fs,
- .read = seq_read,
- .write = acpi_processor_write_limit,
- .llseek = seq_lseek,
- .release = single_release,
-};
-#endif
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 9ade1a5b32ed..730863855ed5 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -1215,7 +1215,6 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
}
/* proc interface */
-#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_throttling_seq_show(struct seq_file *seq,
void *offset)
{
@@ -1323,4 +1322,3 @@ const struct file_operations acpi_processor_throttling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
-#endif
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index e143203254a4..cf82989ae756 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -70,10 +70,10 @@ static int acpi_sleep_prepare(u32 acpi_state)
}
ACPI_FLUSH_CPU_CACHE();
- acpi_enable_wakeup_device_prep(acpi_state);
#endif
printk(KERN_INFO PREFIX "Preparing to enter system sleep state S%d\n",
acpi_state);
+ acpi_enable_wakeup_devices(acpi_state);
acpi_enter_sleep_state_prep(acpi_state);
return 0;
}
@@ -119,6 +119,16 @@ static int acpi_pm_freeze(void)
}
/**
+ * acpi_pre_suspend - Enable wakeup devices, "freeze" EC and save NVS.
+ */
+static int acpi_pm_pre_suspend(void)
+{
+ acpi_pm_freeze();
+ suspend_nvs_save();
+ return 0;
+}
+
+/**
* __acpi_pm_prepare - Prepare the platform to enter the target state.
*
* If necessary, set the firmware waking vector and do arch-specific
@@ -127,11 +137,9 @@ static int acpi_pm_freeze(void)
static int __acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
-
- suspend_nvs_save();
-
if (error)
acpi_target_sleep_state = ACPI_STATE_S0;
+
return error;
}
@@ -142,9 +150,8 @@ static int __acpi_pm_prepare(void)
static int acpi_pm_prepare(void)
{
int error = __acpi_pm_prepare();
-
if (!error)
- acpi_pm_freeze();
+ acpi_pm_pre_suspend();
return error;
}
@@ -159,7 +166,6 @@ static void acpi_pm_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
- suspend_nvs_free();
acpi_ec_unblock_transactions();
if (acpi_state == ACPI_STATE_S0)
@@ -167,7 +173,7 @@ static void acpi_pm_finish(void)
printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n",
acpi_state);
- acpi_disable_wakeup_device(acpi_state);
+ acpi_disable_wakeup_devices(acpi_state);
acpi_leave_sleep_state(acpi_state);
/* reset firmware waking vector */
@@ -181,6 +187,7 @@ static void acpi_pm_finish(void)
*/
static void acpi_pm_end(void)
{
+ suspend_nvs_free();
/*
* This is necessary in case acpi_pm_finish() is not called during a
* failing transition to a sleep state.
@@ -251,7 +258,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
}
local_irq_save(flags);
- acpi_enable_wakeup_device(acpi_state);
switch (acpi_state) {
case ACPI_STATE_S1:
barrier();
@@ -297,11 +303,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
-static void acpi_suspend_finish(void)
-{
- acpi_pm_finish();
-}
-
static int acpi_suspend_state_valid(suspend_state_t pm_state)
{
u32 acpi_state;
@@ -323,7 +324,7 @@ static struct platform_suspend_ops acpi_suspend_ops = {
.begin = acpi_suspend_begin,
.prepare_late = acpi_pm_prepare,
.enter = acpi_suspend_enter,
- .wake = acpi_suspend_finish,
+ .wake = acpi_pm_finish,
.end = acpi_pm_end,
};
@@ -336,9 +337,9 @@ static struct platform_suspend_ops acpi_suspend_ops = {
static int acpi_suspend_begin_old(suspend_state_t pm_state)
{
int error = acpi_suspend_begin(pm_state);
-
if (!error)
error = __acpi_pm_prepare();
+
return error;
}
@@ -349,9 +350,9 @@ static int acpi_suspend_begin_old(suspend_state_t pm_state)
static struct platform_suspend_ops acpi_suspend_ops_old = {
.valid = acpi_suspend_state_valid,
.begin = acpi_suspend_begin_old,
- .prepare_late = acpi_pm_freeze,
+ .prepare_late = acpi_pm_pre_suspend,
.enter = acpi_suspend_enter,
- .wake = acpi_suspend_finish,
+ .wake = acpi_pm_finish,
.end = acpi_pm_end,
.recover = acpi_pm_finish,
};
@@ -423,16 +424,6 @@ static int acpi_hibernation_begin(void)
return error;
}
-static int acpi_hibernation_pre_snapshot(void)
-{
- int error = acpi_pm_prepare();
-
- if (!error)
- suspend_nvs_save();
-
- return error;
-}
-
static int acpi_hibernation_enter(void)
{
acpi_status status = AE_OK;
@@ -441,7 +432,6 @@ static int acpi_hibernation_enter(void)
ACPI_FLUSH_CPU_CACHE();
local_irq_save(flags);
- acpi_enable_wakeup_device(ACPI_STATE_S4);
/* This shouldn't return. If it returns, we have a problem */
status = acpi_enter_sleep_state(ACPI_STATE_S4);
/* Reprogram control registers and execute _BFS */
@@ -481,7 +471,7 @@ static void acpi_pm_thaw(void)
static struct platform_hibernation_ops acpi_hibernation_ops = {
.begin = acpi_hibernation_begin,
.end = acpi_pm_end,
- .pre_snapshot = acpi_hibernation_pre_snapshot,
+ .pre_snapshot = acpi_pm_prepare,
.finish = acpi_pm_finish,
.prepare = acpi_pm_prepare,
.enter = acpi_hibernation_enter,
@@ -517,13 +507,6 @@ static int acpi_hibernation_begin_old(void)
return error;
}
-static int acpi_hibernation_pre_snapshot_old(void)
-{
- acpi_pm_freeze();
- suspend_nvs_save();
- return 0;
-}
-
/*
* The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
* been requested.
@@ -531,7 +514,7 @@ static int acpi_hibernation_pre_snapshot_old(void)
static struct platform_hibernation_ops acpi_hibernation_ops_old = {
.begin = acpi_hibernation_begin_old,
.end = acpi_pm_end,
- .pre_snapshot = acpi_hibernation_pre_snapshot_old,
+ .pre_snapshot = acpi_pm_pre_suspend,
.prepare = acpi_pm_freeze,
.finish = acpi_pm_finish,
.enter = acpi_hibernation_enter,
@@ -686,7 +669,6 @@ static void acpi_power_off(void)
/* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
printk(KERN_DEBUG "%s called\n", __func__);
local_irq_disable();
- acpi_enable_wakeup_device(ACPI_STATE_S5);
acpi_enter_sleep_state(ACPI_STATE_S5);
}
diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h
index 25b8bd149284..d8821805c3bc 100644
--- a/drivers/acpi/sleep.h
+++ b/drivers/acpi/sleep.h
@@ -2,9 +2,8 @@
extern u8 sleep_states[];
extern int acpi_suspend(u32 state);
-extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
-extern void acpi_enable_wakeup_device(u8 sleep_state);
-extern void acpi_disable_wakeup_device(u8 sleep_state);
+extern void acpi_enable_wakeup_devices(u8 sleep_state);
+extern void acpi_disable_wakeup_devices(u8 sleep_state);
extern struct list_head acpi_wakeup_device_list;
extern struct mutex acpi_device_lock;
diff --git a/drivers/acpi/system.c b/drivers/acpi/sysfs.c
index 5981bd07e20e..68e2e4582fa2 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/sysfs.c
@@ -1,51 +1,218 @@
/*
- * acpi_system.c - ACPI System Driver ($Revision: 63 $)
- *
- * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * sysfs.c - ACPI sysfs interface to userspace.
*/
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
#include <linux/init.h>
-#include <linux/string.h>
-#include <asm/uaccess.h>
-
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
#include <acpi/acpi_drivers.h>
-#define PREFIX "ACPI: "
-
#define _COMPONENT ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("system");
-
-#define ACPI_SYSTEM_CLASS "system"
-#define ACPI_SYSTEM_DEVICE_NAME "System"
+ACPI_MODULE_NAME("sysfs");
-u32 acpi_irq_handled;
-u32 acpi_irq_not_handled;
+#define PREFIX "ACPI: "
+#ifdef CONFIG_ACPI_DEBUG
/*
- * Make ACPICA version work as module param
+ * ACPI debug sysfs I/F, including:
+ * /sys/modules/acpi/parameters/debug_layer
+ * /sys/modules/acpi/parameters/debug_level
+ * /sys/modules/acpi/parameters/trace_method_name
+ * /sys/modules/acpi/parameters/trace_state
+ * /sys/modules/acpi/parameters/trace_debug_layer
+ * /sys/modules/acpi/parameters/trace_debug_level
*/
+
+struct acpi_dlayer {
+ const char *name;
+ unsigned long value;
+};
+struct acpi_dlevel {
+ const char *name;
+ unsigned long value;
+};
+#define ACPI_DEBUG_INIT(v) { .name = #v, .value = v }
+
+static const struct acpi_dlayer acpi_debug_layers[] = {
+ ACPI_DEBUG_INIT(ACPI_UTILITIES),
+ ACPI_DEBUG_INIT(ACPI_HARDWARE),
+ ACPI_DEBUG_INIT(ACPI_EVENTS),
+ ACPI_DEBUG_INIT(ACPI_TABLES),
+ ACPI_DEBUG_INIT(ACPI_NAMESPACE),
+ ACPI_DEBUG_INIT(ACPI_PARSER),
+ ACPI_DEBUG_INIT(ACPI_DISPATCHER),
+ ACPI_DEBUG_INIT(ACPI_EXECUTER),
+ ACPI_DEBUG_INIT(ACPI_RESOURCES),
+ ACPI_DEBUG_INIT(ACPI_CA_DEBUGGER),
+ ACPI_DEBUG_INIT(ACPI_OS_SERVICES),
+ ACPI_DEBUG_INIT(ACPI_CA_DISASSEMBLER),
+ ACPI_DEBUG_INIT(ACPI_COMPILER),
+ ACPI_DEBUG_INIT(ACPI_TOOLS),
+
+ ACPI_DEBUG_INIT(ACPI_BUS_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_AC_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_BATTERY_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_BUTTON_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_SBS_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_FAN_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_PCI_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_POWER_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_CONTAINER_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_SYSTEM_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_THERMAL_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_MEMORY_DEVICE_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_VIDEO_COMPONENT),
+ ACPI_DEBUG_INIT(ACPI_PROCESSOR_COMPONENT),
+};
+
+static const struct acpi_dlevel acpi_debug_levels[] = {
+ ACPI_DEBUG_INIT(ACPI_LV_INIT),
+ ACPI_DEBUG_INIT(ACPI_LV_DEBUG_OBJECT),
+ ACPI_DEBUG_INIT(ACPI_LV_INFO),
+
+ ACPI_DEBUG_INIT(ACPI_LV_INIT_NAMES),
+ ACPI_DEBUG_INIT(ACPI_LV_PARSE),
+ ACPI_DEBUG_INIT(ACPI_LV_LOAD),
+ ACPI_DEBUG_INIT(ACPI_LV_DISPATCH),
+ ACPI_DEBUG_INIT(ACPI_LV_EXEC),
+ ACPI_DEBUG_INIT(ACPI_LV_NAMES),
+ ACPI_DEBUG_INIT(ACPI_LV_OPREGION),
+ ACPI_DEBUG_INIT(ACPI_LV_BFIELD),
+ ACPI_DEBUG_INIT(ACPI_LV_TABLES),
+ ACPI_DEBUG_INIT(ACPI_LV_VALUES),
+ ACPI_DEBUG_INIT(ACPI_LV_OBJECTS),
+ ACPI_DEBUG_INIT(ACPI_LV_RESOURCES),
+ ACPI_DEBUG_INIT(ACPI_LV_USER_REQUESTS),
+ ACPI_DEBUG_INIT(ACPI_LV_PACKAGE),
+
+ ACPI_DEBUG_INIT(ACPI_LV_ALLOCATIONS),
+ ACPI_DEBUG_INIT(ACPI_LV_FUNCTIONS),
+ ACPI_DEBUG_INIT(ACPI_LV_OPTIMIZATIONS),
+
+ ACPI_DEBUG_INIT(ACPI_LV_MUTEX),
+ ACPI_DEBUG_INIT(ACPI_LV_THREADS),
+ ACPI_DEBUG_INIT(ACPI_LV_IO),
+ ACPI_DEBUG_INIT(ACPI_LV_INTERRUPTS),
+
+ ACPI_DEBUG_INIT(ACPI_LV_AML_DISASSEMBLE),
+ ACPI_DEBUG_INIT(ACPI_LV_VERBOSE_INFO),
+ ACPI_DEBUG_INIT(ACPI_LV_FULL_TABLES),
+ ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
+};
+
+static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
+{
+ int result = 0;
+ int i;
+
+ result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
+
+ for (i = 0; i < ARRAY_SIZE(acpi_debug_layers); i++) {
+ result += sprintf(buffer + result, "%-25s\t0x%08lX [%c]\n",
+ acpi_debug_layers[i].name,
+ acpi_debug_layers[i].value,
+ (acpi_dbg_layer & acpi_debug_layers[i].value)
+ ? '*' : ' ');
+ }
+ result +=
+ sprintf(buffer + result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
+ ACPI_ALL_DRIVERS,
+ (acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
+ ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer & ACPI_ALL_DRIVERS)
+ == 0 ? ' ' : '-');
+ result +=
+ sprintf(buffer + result,
+ "--\ndebug_layer = 0x%08X ( * = enabled)\n",
+ acpi_dbg_layer);
+
+ return result;
+}
+
+static int param_get_debug_level(char *buffer, struct kernel_param *kp)
+{
+ int result = 0;
+ int i;
+
+ result = sprintf(buffer, "%-25s\tHex SET\n", "Description");
+
+ for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
+ result += sprintf(buffer + result, "%-25s\t0x%08lX [%c]\n",
+ acpi_debug_levels[i].name,
+ acpi_debug_levels[i].value,
+ (acpi_dbg_level & acpi_debug_levels[i].value)
+ ? '*' : ' ');
+ }
+ result +=
+ sprintf(buffer + result, "--\ndebug_level = 0x%08X (* = enabled)\n",
+ acpi_dbg_level);
+
+ return result;
+}
+
+module_param_call(debug_layer, param_set_uint, param_get_debug_layer,
+ &acpi_dbg_layer, 0644);
+module_param_call(debug_level, param_set_uint, param_get_debug_level,
+ &acpi_dbg_level, 0644);
+
+static char trace_method_name[6];
+module_param_string(trace_method_name, trace_method_name, 6, 0644);
+static unsigned int trace_debug_layer;
+module_param(trace_debug_layer, uint, 0644);
+static unsigned int trace_debug_level;
+module_param(trace_debug_level, uint, 0644);
+
+static int param_set_trace_state(const char *val, struct kernel_param *kp)
+{
+ int result = 0;
+
+ if (!strncmp(val, "enable", strlen("enable") - 1)) {
+ result = acpi_debug_trace(trace_method_name, trace_debug_level,
+ trace_debug_layer, 0);
+ if (result)
+ result = -EBUSY;
+ goto exit;
+ }
+
+ if (!strncmp(val, "disable", strlen("disable") - 1)) {
+ int name = 0;
+ result = acpi_debug_trace((char *)&name, trace_debug_level,
+ trace_debug_layer, 0);
+ if (result)
+ result = -EBUSY;
+ goto exit;
+ }
+
+ if (!strncmp(val, "1", 1)) {
+ result = acpi_debug_trace(trace_method_name, trace_debug_level,
+ trace_debug_layer, 1);
+ if (result)
+ result = -EBUSY;
+ goto exit;
+ }
+
+ result = -EINVAL;
+exit:
+ return result;
+}
+
+static int param_get_trace_state(char *buffer, struct kernel_param *kp)
+{
+ if (!acpi_gbl_trace_method_name)
+ return sprintf(buffer, "disable");
+ else {
+ if (acpi_gbl_trace_flags & 1)
+ return sprintf(buffer, "1");
+ else
+ return sprintf(buffer, "enable");
+ }
+ return 0;
+}
+
+module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
+ NULL, 0644);
+#endif /* CONFIG_ACPI_DEBUG */
+
+/* /sys/module/acpi/parameters/acpica_version */
static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
{
int result;
@@ -57,9 +224,12 @@ static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
-/* --------------------------------------------------------------------------
- FS Interface (/sys)
- -------------------------------------------------------------------------- */
+/*
+ * ACPI table sysfs I/F:
+ * /sys/firmware/acpi/tables/
+ * /sys/firmware/acpi/tables/dynamic/
+ */
+
static LIST_HEAD(acpi_table_attr_list);
static struct kobject *tables_kobj;
static struct kobject *dynamic_tables_kobj;
@@ -86,14 +256,12 @@ static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj,
else
memcpy(name, "\0\0\0\0", 4);
- status =
- acpi_get_table(name, table_attr->instance,
- &table_header);
+ status = acpi_get_table(name, table_attr->instance, &table_header);
if (ACPI_FAILURE(status))
return -ENODEV;
return memory_read_from_buffer(buf, count, &offset,
- table_header, table_header->length);
+ table_header, table_header->length);
}
static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
@@ -105,7 +273,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
sysfs_attr_init(&table_attr->attr.attr);
if (table_header->signature[0] != '\0')
memcpy(table_attr->name, table_header->signature,
- ACPI_NAME_SIZE);
+ ACPI_NAME_SIZE);
else
memcpy(table_attr->name, "NULL", 4);
@@ -117,8 +285,8 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
table_attr->instance++;
if (table_attr->instance > 1 || (table_attr->instance == 1 &&
- !acpi_get_table
- (table_header->signature, 2, &header)))
+ !acpi_get_table
+ (table_header->signature, 2, &header)))
sprintf(table_attr->name + ACPI_NAME_SIZE, "%d",
table_attr->instance);
@@ -138,18 +306,17 @@ acpi_sysfs_table_handler(u32 event, void *table, void *context)
switch (event) {
case ACPI_TABLE_EVENT_LOAD:
table_attr =
- kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
+ kzalloc(sizeof(struct acpi_table_attr), GFP_KERNEL);
if (!table_attr)
return AE_NO_MEMORY;
acpi_table_attr_init(table_attr, table);
if (sysfs_create_bin_file(dynamic_tables_kobj,
- &table_attr->attr)) {
+ &table_attr->attr)) {
kfree(table_attr);
return AE_ERROR;
} else
- list_add_tail(&table_attr->node,
- &acpi_table_attr_list);
+ list_add_tail(&table_attr->node, &acpi_table_attr_list);
break;
case ACPI_TABLE_EVENT_UNLOAD:
/*
@@ -164,7 +331,7 @@ acpi_sysfs_table_handler(u32 event, void *table, void *context)
return AE_OK;
}
-static int acpi_system_sysfs_init(void)
+static int acpi_tables_sysfs_init(void)
{
struct acpi_table_attr *table_attr;
struct acpi_table_header *table_header = NULL;
@@ -213,14 +380,17 @@ err:
}
/*
- * Detailed ACPI IRQ counters in /sys/firmware/acpi/interrupts/
- * See Documentation/ABI/testing/sysfs-firmware-acpi
+ * Detailed ACPI IRQ counters:
+ * /sys/firmware/acpi/interrupts/
*/
+u32 acpi_irq_handled;
+u32 acpi_irq_not_handled;
+
#define COUNT_GPE 0
-#define COUNT_SCI 1 /* acpi_irq_handled */
-#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */
-#define COUNT_ERROR 3 /* other */
+#define COUNT_SCI 1 /* acpi_irq_handled */
+#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */
+#define COUNT_ERROR 3 /* other */
#define NUM_COUNTERS_EXTRA 4
struct event_counter {
@@ -237,6 +407,7 @@ static u32 acpi_gpe_count;
static struct attribute_group interrupt_stats_attr_group = {
.name = "interrupts",
};
+
static struct kobj_attribute *counter_attrs;
static void delete_gpe_attr_array(void)
@@ -269,8 +440,8 @@ void acpi_os_gpe_count(u32 gpe_number)
if (gpe_number < num_gpes)
all_counters[gpe_number].count++;
else
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
- count++;
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS +
+ COUNT_ERROR].count++;
return;
}
@@ -283,13 +454,14 @@ void acpi_os_fixed_event_count(u32 event_number)
if (event_number < ACPI_NUM_FIXED_EVENTS)
all_counters[num_gpes + event_number].count++;
else
- all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
- count++;
+ all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS +
+ COUNT_ERROR].count++;
return;
}
-static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
+static int get_status(u32 index, acpi_event_status *status,
+ acpi_handle *handle)
{
int result = 0;
@@ -300,7 +472,7 @@ static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
result = acpi_get_gpe_device(index, handle);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
- "Invalid GPE 0x%x\n", index));
+ "Invalid GPE 0x%x\n", index));
goto end;
}
result = acpi_get_gpe_status(*handle, index, status);
@@ -312,7 +484,7 @@ end:
}
static ssize_t counter_show(struct kobject *kobj,
- struct kobj_attribute *attr, char *buf)
+ struct kobj_attribute *attr, char *buf)
{
int index = attr - counter_attrs;
int size;
@@ -321,12 +493,11 @@ static ssize_t counter_show(struct kobject *kobj,
int result = 0;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count =
- acpi_irq_handled;
+ acpi_irq_handled;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT].count =
- acpi_irq_not_handled;
+ acpi_irq_not_handled;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
- acpi_gpe_count;
-
+ acpi_gpe_count;
size = sprintf(buf, "%8d", all_counters[index].count);
/* "gpe_all" or "sci" */
@@ -338,13 +509,13 @@ static ssize_t counter_show(struct kobject *kobj,
goto end;
if (!(status & ACPI_EVENT_FLAG_HANDLE))
- size += sprintf(buf + size, " invalid");
+ size += sprintf(buf + size, " invalid");
else if (status & ACPI_EVENT_FLAG_ENABLED)
- size += sprintf(buf + size, " enabled");
+ size += sprintf(buf + size, " enabled");
else if (status & ACPI_EVENT_FLAG_WAKE_ENABLED)
- size += sprintf(buf + size, " wake_enabled");
+ size += sprintf(buf + size, " wake_enabled");
else
- size += sprintf(buf + size, " disabled");
+ size += sprintf(buf + size, " disabled");
end:
size += sprintf(buf + size, "\n");
@@ -357,7 +528,8 @@ end:
* enable/disable/clear a gpe/fixed event in user space.
*/
static ssize_t counter_set(struct kobject *kobj,
- struct kobj_attribute *attr, const char *buf, size_t size)
+ struct kobj_attribute *attr, const char *buf,
+ size_t size)
{
int index = attr - counter_attrs;
acpi_event_status status;
@@ -381,32 +553,32 @@ static ssize_t counter_set(struct kobject *kobj,
if (!(status & ACPI_EVENT_FLAG_HANDLE)) {
printk(KERN_WARNING PREFIX
- "Can not change Invalid GPE/Fixed Event status\n");
+ "Can not change Invalid GPE/Fixed Event status\n");
return -EINVAL;
}
if (index < num_gpes) {
if (!strcmp(buf, "disable\n") &&
- (status & ACPI_EVENT_FLAG_ENABLED))
+ (status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_disable_gpe(handle, index);
else if (!strcmp(buf, "enable\n") &&
- !(status & ACPI_EVENT_FLAG_ENABLED))
+ !(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_enable_gpe(handle, index);
else if (!strcmp(buf, "clear\n") &&
- (status & ACPI_EVENT_FLAG_SET))
+ (status & ACPI_EVENT_FLAG_SET))
result = acpi_clear_gpe(handle, index);
else
all_counters[index].count = strtoul(buf, NULL, 0);
} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
int event = index - num_gpes;
if (!strcmp(buf, "disable\n") &&
- (status & ACPI_EVENT_FLAG_ENABLED))
+ (status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_disable_event(event, ACPI_NOT_ISR);
else if (!strcmp(buf, "enable\n") &&
- !(status & ACPI_EVENT_FLAG_ENABLED))
+ !(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_enable_event(event, ACPI_NOT_ISR);
else if (!strcmp(buf, "clear\n") &&
- (status & ACPI_EVENT_FLAG_SET))
+ (status & ACPI_EVENT_FLAG_SET))
result = acpi_clear_event(event);
else
all_counters[index].count = strtoul(buf, NULL, 0);
@@ -430,17 +602,17 @@ void acpi_irq_stats_init(void)
num_counters = num_gpes + ACPI_NUM_FIXED_EVENTS + NUM_COUNTERS_EXTRA;
all_attrs = kzalloc(sizeof(struct attribute *) * (num_counters + 1),
- GFP_KERNEL);
+ GFP_KERNEL);
if (all_attrs == NULL)
return;
all_counters = kzalloc(sizeof(struct event_counter) * (num_counters),
- GFP_KERNEL);
+ GFP_KERNEL);
if (all_counters == NULL)
goto fail;
counter_attrs = kzalloc(sizeof(struct kobj_attribute) * (num_counters),
- GFP_KERNEL);
+ GFP_KERNEL);
if (counter_attrs == NULL)
goto fail;
@@ -503,135 +675,11 @@ static void __exit interrupt_stats_exit(void)
return;
}
-/* --------------------------------------------------------------------------
- FS Interface (/proc)
- -------------------------------------------------------------------------- */
-#ifdef CONFIG_ACPI_PROCFS
-#define ACPI_SYSTEM_FILE_INFO "info"
-#define ACPI_SYSTEM_FILE_EVENT "event"
-#define ACPI_SYSTEM_FILE_DSDT "dsdt"
-#define ACPI_SYSTEM_FILE_FADT "fadt"
-
-static int acpi_system_read_info(struct seq_file *seq, void *offset)
-{
-
- seq_printf(seq, "version: %x\n", ACPI_CA_VERSION);
- return 0;
-}
-
-static int acpi_system_info_open_fs(struct inode *inode, struct file *file)
-{
- return single_open(file, acpi_system_read_info, PDE(inode)->data);
-}
-
-static const struct file_operations acpi_system_info_ops = {
- .owner = THIS_MODULE,
- .open = acpi_system_info_open_fs,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
- loff_t *);
-
-static const struct file_operations acpi_system_dsdt_ops = {
- .owner = THIS_MODULE,
- .read = acpi_system_read_dsdt,
-};
-
-static ssize_t
-acpi_system_read_dsdt(struct file *file,
- char __user * buffer, size_t count, loff_t * ppos)
-{
- acpi_status status = AE_OK;
- struct acpi_table_header *dsdt = NULL;
- ssize_t res;
-
- status = acpi_get_table(ACPI_SIG_DSDT, 1, &dsdt);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- res = simple_read_from_buffer(buffer, count, ppos, dsdt, dsdt->length);
-
- return res;
-}
-
-static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t,
- loff_t *);
-
-static const struct file_operations acpi_system_fadt_ops = {
- .owner = THIS_MODULE,
- .read = acpi_system_read_fadt,
-};
-
-static ssize_t
-acpi_system_read_fadt(struct file *file,
- char __user * buffer, size_t count, loff_t * ppos)
-{
- acpi_status status = AE_OK;
- struct acpi_table_header *fadt = NULL;
- ssize_t res;
-
- status = acpi_get_table(ACPI_SIG_FADT, 1, &fadt);
- if (ACPI_FAILURE(status))
- return -ENODEV;
-
- res = simple_read_from_buffer(buffer, count, ppos, fadt, fadt->length);
-
- return res;
-}
-
-static int acpi_system_procfs_init(void)
-{
- struct proc_dir_entry *entry;
- int error = 0;
-
- /* 'info' [R] */
- entry = proc_create(ACPI_SYSTEM_FILE_INFO, S_IRUGO, acpi_root_dir,
- &acpi_system_info_ops);
- if (!entry)
- goto Error;
-
- /* 'dsdt' [R] */
- entry = proc_create(ACPI_SYSTEM_FILE_DSDT, S_IRUSR, acpi_root_dir,
- &acpi_system_dsdt_ops);
- if (!entry)
- goto Error;
-
- /* 'fadt' [R] */
- entry = proc_create(ACPI_SYSTEM_FILE_FADT, S_IRUSR, acpi_root_dir,
- &acpi_system_fadt_ops);
- if (!entry)
- goto Error;
-
- Done:
- return error;
-
- Error:
- remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
- remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
- remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);
-
- error = -EFAULT;
- goto Done;
-}
-#else
-static int acpi_system_procfs_init(void)
-{
- return 0;
-}
-#endif
-
-int __init acpi_system_init(void)
+int __init acpi_sysfs_init(void)
{
int result;
- result = acpi_system_procfs_init();
- if (result)
- return result;
-
- result = acpi_system_sysfs_init();
+ result = acpi_tables_sysfs_init();
return result;
}
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index efad1f33aeb5..2f8f17131d9f 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -37,10 +37,14 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
+
+#ifdef CONFIG_ACPI_PROCFS
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#endif
+
#include <linux/jiffies.h>
#include <linux/kmod.h>
-#include <linux/seq_file.h>
#include <linux/reboot.h>
#include <linux/device.h>
#include <asm/uaccess.h>
@@ -102,16 +106,6 @@ static int acpi_thermal_add(struct acpi_device *device);
static int acpi_thermal_remove(struct acpi_device *device, int type);
static int acpi_thermal_resume(struct acpi_device *device);
static void acpi_thermal_notify(struct acpi_device *device, u32 event);
-static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
-static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
-static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
-static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_cooling_mode(struct file *,
- const char __user *, size_t,
- loff_t *);
-static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file);
-static ssize_t acpi_thermal_write_polling(struct file *, const char __user *,
- size_t, loff_t *);
static const struct acpi_device_id thermal_device_ids[] = {
{ACPI_THERMAL_HID, 0},
@@ -201,6 +195,18 @@ struct acpi_thermal {
struct mutex lock;
};
+#ifdef CONFIG_ACPI_PROCFS
+static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
+static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
+static ssize_t acpi_thermal_write_cooling_mode(struct file *,
+ const char __user *, size_t,
+ loff_t *);
+static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file);
+static ssize_t acpi_thermal_write_polling(struct file *, const char __user *,
+ size_t, loff_t *);
+
static const struct file_operations acpi_thermal_state_fops = {
.owner = THIS_MODULE,
.open = acpi_thermal_state_open_fs,
@@ -242,6 +248,7 @@ static const struct file_operations acpi_thermal_polling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif /* CONFIG_ACPI_PROCFS*/
/* --------------------------------------------------------------------------
Thermal Zone Management
@@ -287,26 +294,6 @@ static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz)
return 0;
}
-static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
-{
-
- if (!tz)
- return -EINVAL;
-
- tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */
-
- tz->thermal_zone->polling_delay = seconds * 1000;
-
- if (tz->tz_enabled)
- thermal_zone_device_update(tz->thermal_zone);
-
- ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "Polling frequency set to %lu seconds\n",
- tz->polling_frequency/10));
-
- return 0;
-}
-
static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
{
acpi_status status = AE_OK;
@@ -973,7 +960,7 @@ static void acpi_thermal_unregister_thermal_zone(struct acpi_thermal *tz)
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
-
+#ifdef CONFIG_ACPI_PROCFS
static struct proc_dir_entry *acpi_thermal_dir;
static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset)
@@ -1187,6 +1174,26 @@ static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file)
PDE(inode)->data);
}
+static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
+{
+ if (!tz)
+ return -EINVAL;
+
+ /* Convert value to deci-seconds */
+ tz->polling_frequency = seconds * 10;
+
+ tz->thermal_zone->polling_delay = seconds * 1000;
+
+ if (tz->tz_enabled)
+ thermal_zone_device_update(tz->thermal_zone);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Polling frequency set to %lu seconds\n",
+ tz->polling_frequency/10));
+
+ return 0;
+}
+
static ssize_t
acpi_thermal_write_polling(struct file *file,
const char __user * buffer,
@@ -1295,7 +1302,13 @@ static int acpi_thermal_remove_fs(struct acpi_device *device)
return 0;
}
-
+#else
+static inline int acpi_thermal_add_fs(struct acpi_device *device) { return 0; }
+static inline int acpi_thermal_remove_fs(struct acpi_device *device)
+{
+ return 0;
+}
+#endif /* CONFIG_ACPI_PROCFS */
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
@@ -1566,13 +1579,18 @@ static int __init acpi_thermal_init(void)
printk(KERN_NOTICE "ACPI: thermal control disabled\n");
return -ENODEV;
}
+
+#ifdef CONFIG_ACPI_PROCFS
acpi_thermal_dir = proc_mkdir(ACPI_THERMAL_CLASS, acpi_root_dir);
if (!acpi_thermal_dir)
return -ENODEV;
+#endif
result = acpi_bus_register_driver(&acpi_thermal_driver);
if (result < 0) {
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir);
+#endif
return -ENODEV;
}
@@ -1584,7 +1602,9 @@ static void __exit acpi_thermal_exit(void)
acpi_bus_unregister_driver(&acpi_thermal_driver);
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir);
+#endif
return;
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 9865d46f49a8..67dec0c675aa 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -152,7 +152,9 @@ struct acpi_video_bus {
struct acpi_video_bus_flags flags;
struct list_head video_device_list;
struct mutex device_list_lock; /* protects video_device_list */
+#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *dir;
+#endif
struct input_dev *input;
char phys[32]; /* for input device */
struct notifier_block pm_nb;
@@ -208,6 +210,7 @@ struct acpi_video_device {
struct output_device *output_dev;
};
+#ifdef CONFIG_ACPI_PROCFS
/* bus */
static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file);
static const struct file_operations acpi_video_bus_info_fops = {
@@ -307,6 +310,7 @@ static const struct file_operations acpi_video_device_EDID_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif /* CONFIG_ACPI_PROCFS */
static const char device_decode[][30] = {
"motherboard VGA device",
@@ -450,16 +454,6 @@ static struct thermal_cooling_device_ops video_cooling_ops = {
/* device */
static int
-acpi_video_device_query(struct acpi_video_device *device, unsigned long long *state)
-{
- int status;
-
- status = acpi_evaluate_integer(device->dev->handle, "_DGS", NULL, state);
-
- return status;
-}
-
-static int
acpi_video_device_get_state(struct acpi_video_device *device,
unsigned long long *state)
{
@@ -698,46 +692,6 @@ acpi_video_device_EDID(struct acpi_video_device *device,
/* bus */
-static int
-acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
-{
- int status;
- unsigned long long tmp;
- union acpi_object arg0 = { ACPI_TYPE_INTEGER };
- struct acpi_object_list args = { 1, &arg0 };
-
-
- arg0.integer.value = option;
-
- status = acpi_evaluate_integer(video->device->handle, "_SPD", &args, &tmp);
- if (ACPI_SUCCESS(status))
- status = tmp ? (-EINVAL) : (AE_OK);
-
- return status;
-}
-
-static int
-acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long long *id)
-{
- int status;
-
- status = acpi_evaluate_integer(video->device->handle, "_GPD", NULL, id);
-
- return status;
-}
-
-static int
-acpi_video_bus_POST_options(struct acpi_video_bus *video,
- unsigned long long *options)
-{
- int status;
-
- status = acpi_evaluate_integer(video->device->handle, "_VPO", NULL, options);
- *options &= 3;
-
- return status;
-}
-
/*
* Arg:
* video : video bus device pointer
@@ -1159,6 +1113,7 @@ static int acpi_video_bus_check(struct acpi_video_bus *video)
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_PROCFS
static struct proc_dir_entry *acpi_video_dir;
@@ -1198,6 +1153,18 @@ acpi_video_device_info_open_fs(struct inode *inode, struct file *file)
PDE(inode)->data);
}
+static int
+acpi_video_device_query(struct acpi_video_device *device,
+ unsigned long long *state)
+{
+ int status;
+
+ status = acpi_evaluate_integer(device->dev->handle, "_DGS",
+ NULL, state);
+
+ return status;
+}
+
static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset)
{
int status;
@@ -1492,6 +1459,19 @@ static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file)
return single_open(file, acpi_video_bus_ROM_seq_show, PDE(inode)->data);
}
+static int
+acpi_video_bus_POST_options(struct acpi_video_bus *video,
+ unsigned long long *options)
+{
+ int status;
+
+ status = acpi_evaluate_integer(video->device->handle, "_VPO",
+ NULL, options);
+ *options &= 3;
+
+ return status;
+}
+
static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_video_bus *video = seq->private;
@@ -1530,6 +1510,16 @@ acpi_video_bus_POST_info_open_fs(struct inode *inode, struct file *file)
PDE(inode)->data);
}
+static int
+acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long long *id)
+{
+ int status;
+
+ status = acpi_evaluate_integer(video->device->handle, "_GPD", NULL, id);
+
+ return status;
+}
+
static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_video_bus *video = seq->private;
@@ -1572,6 +1562,25 @@ static int acpi_video_bus_DOS_open_fs(struct inode *inode, struct file *file)
return single_open(file, acpi_video_bus_DOS_seq_show, PDE(inode)->data);
}
+static int
+acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option)
+{
+ int status;
+ unsigned long long tmp;
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
+
+
+ arg0.integer.value = option;
+
+ status = acpi_evaluate_integer(video->device->handle, "_SPD",
+ &args, &tmp);
+ if (ACPI_SUCCESS(status))
+ status = tmp ? (-EINVAL) : (AE_OK);
+
+ return status;
+}
+
static ssize_t
acpi_video_bus_write_POST(struct file *file,
const char __user * buffer,
@@ -1722,6 +1731,24 @@ static int acpi_video_bus_remove_fs(struct acpi_device *device)
return 0;
}
+#else
+static inline int acpi_video_device_add_fs(struct acpi_device *device)
+{
+ return 0;
+}
+static inline int acpi_video_device_remove_fs(struct acpi_device *device)
+{
+ return 0;
+}
+static inline int acpi_video_bus_add_fs(struct acpi_device *device)
+{
+ return 0;
+}
+static inline int acpi_video_bus_remove_fs(struct acpi_device *device)
+{
+ return 0;
+}
+#endif /* CONFIG_ACPI_PROCFS */
/* --------------------------------------------------------------------------
Driver Interface
@@ -2140,7 +2167,7 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
status = acpi_video_bus_get_one_device(dev, video);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING PREFIX
- "Cant attach device");
+ "Cant attach device\n");
continue;
}
}
@@ -2150,19 +2177,19 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
{
acpi_status status;
- struct acpi_video_bus *video;
-
if (!device || !device->video)
return -ENOENT;
- video = device->video;
-
acpi_video_device_remove_fs(device->dev);
status = acpi_remove_notify_handler(device->dev->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING PREFIX
+ "Cant remove video notify handler\n");
+ }
if (device->backlight) {
sysfs_remove_link(&device->backlight->dev.kobj, "device");
backlight_device_unregister(device->backlight);
@@ -2557,9 +2584,11 @@ int acpi_video_register(void)
return 0;
}
+#ifdef CONFIG_ACPI_PROCFS
acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir);
if (!acpi_video_dir)
return -ENODEV;
+#endif
result = acpi_bus_register_driver(&acpi_video_bus);
if (result < 0) {
@@ -2588,7 +2617,9 @@ void acpi_video_unregister(void)
}
acpi_bus_unregister_driver(&acpi_video_bus);
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir);
+#endif
register_count = 0;
diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c
index c80537bc3234..f62a50c3ed34 100644
--- a/drivers/acpi/wakeup.c
+++ b/drivers/acpi/wakeup.c
@@ -21,46 +21,18 @@
ACPI_MODULE_NAME("wakeup_devices")
/**
- * acpi_enable_wakeup_device_prep - Prepare wake-up devices.
+ * acpi_enable_wakeup_devices - Enable wake-up device GPEs.
* @sleep_state: ACPI system sleep state.
*
- * Enable all wake-up devices' power, unless the requested system sleep state is
- * too deep.
+ * Enable wakeup device power of devices with the state.enable flag set and set
+ * the wakeup enable mask bits in the GPE registers that correspond to wakeup
+ * devices.
*/
-void acpi_enable_wakeup_device_prep(u8 sleep_state)
+void acpi_enable_wakeup_devices(u8 sleep_state)
{
struct list_head *node, *next;
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
- struct acpi_device *dev = container_of(node,
- struct acpi_device,
- wakeup_list);
-
- if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled
- || (sleep_state > (u32) dev->wakeup.sleep_state))
- continue;
-
- acpi_enable_wakeup_device_power(dev, sleep_state);
- }
-}
-
-/**
- * acpi_enable_wakeup_device - Enable wake-up device GPEs.
- * @sleep_state: ACPI system sleep state.
- *
- * Enable all wake-up devices' GPEs, with the assumption that
- * acpi_disable_all_gpes() was executed before, so we don't need to disable any
- * GPEs here.
- */
-void acpi_enable_wakeup_device(u8 sleep_state)
-{
- struct list_head *node, *next;
-
- /*
- * Caution: this routine must be invoked when interrupt is disabled
- * Refer ACPI2.0: P212
- */
- list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
@@ -69,6 +41,9 @@ void acpi_enable_wakeup_device(u8 sleep_state)
|| sleep_state > (u32) dev->wakeup.sleep_state)
continue;
+ if (dev->wakeup.state.enabled)
+ acpi_enable_wakeup_device_power(dev, sleep_state);
+
/* The wake-up power should have been enabled already. */
acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
ACPI_GPE_ENABLE);
@@ -76,13 +51,10 @@ void acpi_enable_wakeup_device(u8 sleep_state)
}
/**
- * acpi_disable_wakeup_device - Disable devices' wakeup capability.
+ * acpi_disable_wakeup_devices - Disable devices' wakeup capability.
* @sleep_state: ACPI system sleep state.
- *
- * This function only affects devices with wakeup.state.enabled set, which means
- * that it reverses the changes made by acpi_enable_wakeup_device_prep().
*/
-void acpi_disable_wakeup_device(u8 sleep_state)
+void acpi_disable_wakeup_devices(u8 sleep_state)
{
struct list_head *node, *next;
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 8fae6afd6a3d..65e3e2708371 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -651,6 +651,17 @@ config PATA_VIA
If unsure, say N.
+config PATA_PXA
+ tristate "PXA DMA-capable PATA support"
+ depends on ARCH_PXA
+ help
+ This option enables support for harddrive attached to PXA CPU's bus.
+
+ NOTE: This driver utilizes PXA DMA controller, in case your hardware
+ is not capable of doing MWDMA, use pata_platform instead.
+
+ If unsure, say N.
+
config PATA_WINBOND
tristate "Winbond SL82C105 PATA support"
depends on PCI
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 6540632bda08..158eaa961b1e 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -91,6 +91,8 @@ obj-$(CONFIG_PATA_RZ1000) += pata_rz1000.o
obj-$(CONFIG_PATA_SAMSUNG_CF) += pata_samsung_cf.o
obj-$(CONFIG_PATA_WINBOND_VLB) += pata_winbond.o
+obj-$(CONFIG_PATA_PXA) += pata_pxa.o
+
# Should be last but two libata driver
obj-$(CONFIG_PATA_ACPI) += pata_acpi.o
# Should be last but one libata driver
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 7b5eea7e01dc..8b5ea399a4f4 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -145,12 +145,6 @@ static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
struct ata_eh_info *ehi = &ap->link.eh_info;
int wait = 0;
unsigned long flags;
- acpi_handle handle;
-
- if (dev)
- handle = dev->acpi_handle;
- else
- handle = ap->acpi_handle;
spin_lock_irqsave(ap->lock, flags);
/*
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 4972fdf4bd31..7ef7c4f216fa 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4281,7 +4281,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
* The special characters ?, [, -, or *, can be matched using a set, eg. [*]
* Behaviour with malformed patterns is undefined, though generally reasonable.
*
- * Example patterns: "SD1?", "SD1[0-5]", "*R0", SD*1?[012]*xx"
+ * Sample patterns: "SD1?", "SD1[0-5]", "*R0", "SD*1?[012]*xx"
*
* This function uses one level of recursion per '*' in pattern.
* Since it calls _nothing_ else, and has _no_ explicit local variables,
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index d75c9c479d1a..a89172c100f5 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1111,10 +1111,10 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev)
*/
static int atapi_drain_needed(struct request *rq)
{
- if (likely(!blk_pc_request(rq)))
+ if (likely(rq->cmd_type != REQ_TYPE_BLOCK_PC))
return 0;
- if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_RW))
+ if (!blk_rq_bytes(rq) || (rq->cmd_flags & REQ_WRITE))
return 0;
return atapi_cmd_type(rq->cmd[0]) == ATAPI_MISC;
diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index f087ab55b1df..8cc536e49a0a 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -680,7 +680,7 @@ mpc52xx_ata_remove_one(struct device *dev)
/* ======================================================================== */
static int __devinit
-mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
+mpc52xx_ata_probe(struct platform_device *op, const struct of_device_id *match)
{
unsigned int ipb_freq;
struct resource res_mem;
@@ -821,7 +821,7 @@ mpc52xx_ata_probe(struct of_device *op, const struct of_device_id *match)
}
static int
-mpc52xx_ata_remove(struct of_device *op)
+mpc52xx_ata_remove(struct platform_device *op)
{
struct mpc52xx_ata_priv *priv;
int task_irq;
@@ -848,7 +848,7 @@ mpc52xx_ata_remove(struct of_device *op)
#ifdef CONFIG_PM
static int
-mpc52xx_ata_suspend(struct of_device *op, pm_message_t state)
+mpc52xx_ata_suspend(struct platform_device *op, pm_message_t state)
{
struct ata_host *host = dev_get_drvdata(&op->dev);
@@ -856,7 +856,7 @@ mpc52xx_ata_suspend(struct of_device *op, pm_message_t state)
}
static int
-mpc52xx_ata_resume(struct of_device *op)
+mpc52xx_ata_resume(struct platform_device *op)
{
struct ata_host *host = dev_get_drvdata(&op->dev);
struct mpc52xx_ata_priv *priv = host->private_data;
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index 5a1b82c08be9..480e043ce6b8 100644
--- a/drivers/ata/pata_of_platform.c
+++ b/drivers/ata/pata_of_platform.c
@@ -14,7 +14,7 @@
#include <linux/of_platform.h>
#include <linux/ata_platform.h>
-static int __devinit pata_of_platform_probe(struct of_device *ofdev,
+static int __devinit pata_of_platform_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
int ret;
@@ -78,7 +78,7 @@ static int __devinit pata_of_platform_probe(struct of_device *ofdev,
reg_shift, pio_mask);
}
-static int __devexit pata_of_platform_remove(struct of_device *ofdev)
+static int __devexit pata_of_platform_remove(struct platform_device *ofdev)
{
return __pata_platform_remove(&ofdev->dev);
}
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
new file mode 100644
index 000000000000..1898c6ed4b4e
--- /dev/null
+++ b/drivers/ata/pata_pxa.c
@@ -0,0 +1,411 @@
+/*
+ * Generic PXA PATA driver
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/ata.h>
+#include <linux/libata.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/completion.h>
+
+#include <scsi/scsi_host.h>
+
+#include <mach/pxa2xx-regs.h>
+#include <mach/pata_pxa.h>
+#include <mach/dma.h>
+
+#define DRV_NAME "pata_pxa"
+#define DRV_VERSION "0.1"
+
+struct pata_pxa_data {
+ uint32_t dma_channel;
+ struct pxa_dma_desc *dma_desc;
+ dma_addr_t dma_desc_addr;
+ uint32_t dma_desc_id;
+
+ /* DMA IO physical address */
+ uint32_t dma_io_addr;
+ /* PXA DREQ<0:2> pin selector */
+ uint32_t dma_dreq;
+ /* DMA DCSR register value */
+ uint32_t dma_dcsr;
+
+ struct completion dma_done;
+};
+
+/*
+ * Setup the DMA descriptors. The size is transfer capped at 4k per descriptor,
+ * if the transfer is longer, it is split into multiple chained descriptors.
+ */
+static void pxa_load_dmac(struct scatterlist *sg, struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+
+ uint32_t cpu_len, seg_len;
+ dma_addr_t cpu_addr;
+
+ cpu_addr = sg_dma_address(sg);
+ cpu_len = sg_dma_len(sg);
+
+ do {
+ seg_len = (cpu_len > 0x1000) ? 0x1000 : cpu_len;
+
+ pd->dma_desc[pd->dma_desc_id].ddadr = pd->dma_desc_addr +
+ ((pd->dma_desc_id + 1) * sizeof(struct pxa_dma_desc));
+
+ pd->dma_desc[pd->dma_desc_id].dcmd = DCMD_BURST32 |
+ DCMD_WIDTH2 | (DCMD_LENGTH & seg_len);
+
+ if (qc->tf.flags & ATA_TFLAG_WRITE) {
+ pd->dma_desc[pd->dma_desc_id].dsadr = cpu_addr;
+ pd->dma_desc[pd->dma_desc_id].dtadr = pd->dma_io_addr;
+ pd->dma_desc[pd->dma_desc_id].dcmd |= DCMD_INCSRCADDR |
+ DCMD_FLOWTRG;
+ } else {
+ pd->dma_desc[pd->dma_desc_id].dsadr = pd->dma_io_addr;
+ pd->dma_desc[pd->dma_desc_id].dtadr = cpu_addr;
+ pd->dma_desc[pd->dma_desc_id].dcmd |= DCMD_INCTRGADDR |
+ DCMD_FLOWSRC;
+ }
+
+ cpu_len -= seg_len;
+ cpu_addr += seg_len;
+ pd->dma_desc_id++;
+
+ } while (cpu_len);
+
+ /* Should not happen */
+ if (seg_len & 0x1f)
+ DALGN |= (1 << pd->dma_dreq);
+}
+
+/*
+ * Prepare taskfile for submission.
+ */
+static void pxa_qc_prep(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+ int si = 0;
+ struct scatterlist *sg;
+
+ if (!(qc->flags & ATA_QCFLAG_DMAMAP))
+ return;
+
+ pd->dma_desc_id = 0;
+
+ DCSR(pd->dma_channel) = 0;
+ DALGN &= ~(1 << pd->dma_dreq);
+
+ for_each_sg(qc->sg, sg, qc->n_elem, si)
+ pxa_load_dmac(sg, qc);
+
+ pd->dma_desc[pd->dma_desc_id - 1].ddadr = DDADR_STOP;
+
+ /* Fire IRQ only at the end of last block */
+ pd->dma_desc[pd->dma_desc_id - 1].dcmd |= DCMD_ENDIRQEN;
+
+ DDADR(pd->dma_channel) = pd->dma_desc_addr;
+ DRCMR(pd->dma_dreq) = DRCMR_MAPVLD | pd->dma_channel;
+
+}
+
+/*
+ * Configure the DMA controller, load the DMA descriptors, but don't start the
+ * DMA controller yet. Only issue the ATA command.
+ */
+static void pxa_bmdma_setup(struct ata_queued_cmd *qc)
+{
+ qc->ap->ops->sff_exec_command(qc->ap, &qc->tf);
+}
+
+/*
+ * Execute the DMA transfer.
+ */
+static void pxa_bmdma_start(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+ init_completion(&pd->dma_done);
+ DCSR(pd->dma_channel) = DCSR_RUN;
+}
+
+/*
+ * Wait until the DMA transfer completes, then stop the DMA controller.
+ */
+static void pxa_bmdma_stop(struct ata_queued_cmd *qc)
+{
+ struct pata_pxa_data *pd = qc->ap->private_data;
+
+ if ((DCSR(pd->dma_channel) & DCSR_RUN) &&
+ wait_for_completion_timeout(&pd->dma_done, HZ))
+ dev_err(qc->ap->dev, "Timeout waiting for DMA completion!");
+
+ DCSR(pd->dma_channel) = 0;
+}
+
+/*
+ * Read DMA status. The bmdma_stop() will take care of properly finishing the
+ * DMA transfer so we always have DMA-complete interrupt here.
+ */
+static unsigned char pxa_bmdma_status(struct ata_port *ap)
+{
+ struct pata_pxa_data *pd = ap->private_data;
+ unsigned char ret = ATA_DMA_INTR;
+
+ if (pd->dma_dcsr & DCSR_BUSERR)
+ ret |= ATA_DMA_ERR;
+
+ return ret;
+}
+
+/*
+ * No IRQ register present so we do nothing.
+ */
+static void pxa_irq_clear(struct ata_port *ap)
+{
+}
+
+/*
+ * Check for ATAPI DMA. ATAPI DMA is unsupported by this driver. It's still
+ * unclear why ATAPI has DMA issues.
+ */
+static int pxa_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+ return -EOPNOTSUPP;
+}
+
+static struct scsi_host_template pxa_ata_sht = {
+ ATA_BMDMA_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations pxa_ata_port_ops = {
+ .inherits = &ata_bmdma_port_ops,
+ .cable_detect = ata_cable_40wire,
+
+ .bmdma_setup = pxa_bmdma_setup,
+ .bmdma_start = pxa_bmdma_start,
+ .bmdma_stop = pxa_bmdma_stop,
+ .bmdma_status = pxa_bmdma_status,
+
+ .check_atapi_dma = pxa_check_atapi_dma,
+
+ .sff_irq_clear = pxa_irq_clear,
+
+ .qc_prep = pxa_qc_prep,
+};
+
+/*
+ * DMA interrupt handler.
+ */
+static void pxa_ata_dma_irq(int dma, void *port)
+{
+ struct ata_port *ap = port;
+ struct pata_pxa_data *pd = ap->private_data;
+
+ pd->dma_dcsr = DCSR(dma);
+ DCSR(dma) = pd->dma_dcsr;
+
+ if (pd->dma_dcsr & DCSR_STOPSTATE)
+ complete(&pd->dma_done);
+}
+
+static int __devinit pxa_ata_probe(struct platform_device *pdev)
+{
+ struct ata_host *host;
+ struct ata_port *ap;
+ struct pata_pxa_data *data;
+ struct resource *cmd_res;
+ struct resource *ctl_res;
+ struct resource *dma_res;
+ struct resource *irq_res;
+ struct pata_pxa_pdata *pdata = pdev->dev.platform_data;
+ int ret = 0;
+
+ /*
+ * Resource validation, three resources are needed:
+ * - CMD port base address
+ * - CTL port base address
+ * - DMA port base address
+ * - IRQ pin
+ */
+ if (pdev->num_resources != 4) {
+ dev_err(&pdev->dev, "invalid number of resources\n");
+ return -EINVAL;
+ }
+
+ /*
+ * CMD port base address
+ */
+ cmd_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (unlikely(cmd_res == NULL))
+ return -EINVAL;
+
+ /*
+ * CTL port base address
+ */
+ ctl_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (unlikely(ctl_res == NULL))
+ return -EINVAL;
+
+ /*
+ * DMA port base address
+ */
+ dma_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (unlikely(dma_res == NULL))
+ return -EINVAL;
+
+ /*
+ * IRQ pin
+ */
+ irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (unlikely(irq_res == NULL))
+ return -EINVAL;
+
+ /*
+ * Allocate the host
+ */
+ host = ata_host_alloc(&pdev->dev, 1);
+ if (!host)
+ return -ENOMEM;
+
+ ap = host->ports[0];
+ ap->ops = &pxa_ata_port_ops;
+ ap->pio_mask = ATA_PIO4;
+ ap->mwdma_mask = ATA_MWDMA2;
+ ap->flags = ATA_FLAG_MMIO;
+
+ ap->ioaddr.cmd_addr = devm_ioremap(&pdev->dev, cmd_res->start,
+ resource_size(cmd_res));
+ ap->ioaddr.ctl_addr = devm_ioremap(&pdev->dev, ctl_res->start,
+ resource_size(ctl_res));
+ ap->ioaddr.bmdma_addr = devm_ioremap(&pdev->dev, dma_res->start,
+ resource_size(dma_res));
+
+ /*
+ * Adjust register offsets
+ */
+ ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr;
+ ap->ioaddr.data_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_DATA << pdata->reg_shift);
+ ap->ioaddr.error_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_ERR << pdata->reg_shift);
+ ap->ioaddr.feature_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_FEATURE << pdata->reg_shift);
+ ap->ioaddr.nsect_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_NSECT << pdata->reg_shift);
+ ap->ioaddr.lbal_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAL << pdata->reg_shift);
+ ap->ioaddr.lbam_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAM << pdata->reg_shift);
+ ap->ioaddr.lbah_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_LBAH << pdata->reg_shift);
+ ap->ioaddr.device_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_DEVICE << pdata->reg_shift);
+ ap->ioaddr.status_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_STATUS << pdata->reg_shift);
+ ap->ioaddr.command_addr = ap->ioaddr.cmd_addr +
+ (ATA_REG_CMD << pdata->reg_shift);
+
+ /*
+ * Allocate and load driver's internal data structure
+ */
+ data = devm_kzalloc(&pdev->dev, sizeof(struct pata_pxa_data),
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ ap->private_data = data;
+ data->dma_dreq = pdata->dma_dreq;
+ data->dma_io_addr = dma_res->start;
+
+ /*
+ * Allocate space for the DMA descriptors
+ */
+ data->dma_desc = dmam_alloc_coherent(&pdev->dev, PAGE_SIZE,
+ &data->dma_desc_addr, GFP_KERNEL);
+ if (!data->dma_desc)
+ return -EINVAL;
+
+ /*
+ * Request the DMA channel
+ */
+ data->dma_channel = pxa_request_dma(DRV_NAME, DMA_PRIO_LOW,
+ pxa_ata_dma_irq, ap);
+ if (data->dma_channel < 0)
+ return -EBUSY;
+
+ /*
+ * Stop and clear the DMA channel
+ */
+ DCSR(data->dma_channel) = 0;
+
+ /*
+ * Activate the ATA host
+ */
+ ret = ata_host_activate(host, irq_res->start, ata_sff_interrupt,
+ pdata->irq_flags, &pxa_ata_sht);
+ if (ret)
+ pxa_free_dma(data->dma_channel);
+
+ return ret;
+}
+
+static int __devexit pxa_ata_remove(struct platform_device *pdev)
+{
+ struct ata_host *host = dev_get_drvdata(&pdev->dev);
+ struct pata_pxa_data *data = host->ports[0]->private_data;
+
+ pxa_free_dma(data->dma_channel);
+
+ ata_host_detach(host);
+
+ return 0;
+}
+
+static struct platform_driver pxa_ata_driver = {
+ .probe = pxa_ata_probe,
+ .remove = __devexit_p(pxa_ata_remove),
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init pxa_ata_init(void)
+{
+ return platform_driver_register(&pxa_ata_driver);
+}
+
+static void __exit pxa_ata_exit(void)
+{
+ platform_driver_unregister(&pxa_ata_driver);
+}
+
+module_init(pxa_ata_init);
+module_exit(pxa_ata_exit);
+
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("DMA-capable driver for PATA on PXA CPU");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 18c986dbb7f1..7325f77480dc 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1296,7 +1296,7 @@ static const struct ata_port_info sata_fsl_port_info[] = {
},
};
-static int sata_fsl_probe(struct of_device *ofdev,
+static int sata_fsl_probe(struct platform_device *ofdev,
const struct of_device_id *match)
{
int retval = -ENXIO;
@@ -1370,7 +1370,7 @@ error_exit_with_cleanup:
return retval;
}
-static int sata_fsl_remove(struct of_device *ofdev)
+static int sata_fsl_remove(struct platform_device *ofdev)
{
struct ata_host *host = dev_get_drvdata(&ofdev->dev);
struct sata_fsl_host_priv *host_priv = host->private_data;
@@ -1387,13 +1387,13 @@ static int sata_fsl_remove(struct of_device *ofdev)
}
#ifdef CONFIG_PM
-static int sata_fsl_suspend(struct of_device *op, pm_message_t state)
+static int sata_fsl_suspend(struct platform_device *op, pm_message_t state)
{
struct ata_host *host = dev_get_drvdata(&op->dev);
return ata_host_suspend(host, state);
}
-static int sata_fsl_resume(struct of_device *op)
+static int sata_fsl_resume(struct platform_device *op)
{
struct ata_host *host = dev_get_drvdata(&op->dev);
struct sata_fsl_host_priv *host_priv = host->private_data;
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index b7385e077717..c8fc69c85a06 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -674,7 +674,7 @@ static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr)
static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
u32 dma_addr;
dma_addr = dma_map_single(&op->dev, virt_addr, size, direction);
@@ -687,7 +687,7 @@ static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int
static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n",
dma_addr, size, direction);
@@ -697,7 +697,7 @@ static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int
static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
@@ -706,7 +706,7 @@ static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_add
static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction);
@@ -719,7 +719,7 @@ static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_
static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk,
int size, int nbr, int alignment)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
chunk->alloc_size = chunk->align_size = size * nbr;
@@ -738,7 +738,7 @@ static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk
/* free a DVMA consistent chunk of memory */
static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
dma_free_coherent(&op->dev, chunk->alloc_size,
chunk->alloc_addr, chunk->dma_addr);
@@ -770,7 +770,7 @@ static void fore200e_sba_reset(struct fore200e *fore200e)
static int __init fore200e_sba_map(struct fore200e *fore200e)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
unsigned int bursts;
/* gain access to the SBA specific registers */
@@ -800,7 +800,7 @@ static int __init fore200e_sba_map(struct fore200e *fore200e)
static void fore200e_sba_unmap(struct fore200e *fore200e)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH);
of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH);
@@ -816,7 +816,7 @@ static int __init fore200e_sba_configure(struct fore200e *fore200e)
static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
const u8 *prop;
int len;
@@ -840,7 +840,7 @@ static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_
static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page)
{
- struct of_device *op = fore200e->bus_dev;
+ struct platform_device *op = fore200e->bus_dev;
const struct linux_prom_registers *regs;
regs = of_get_property(op->dev.of_node, "reg", NULL);
@@ -2513,7 +2513,7 @@ fore200e_load_and_start_fw(struct fore200e* fore200e)
device = &((struct pci_dev *) fore200e->bus_dev)->dev;
#ifdef CONFIG_SBUS
else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0)
- device = &((struct of_device *) fore200e->bus_dev)->dev;
+ device = &((struct platform_device *) fore200e->bus_dev)->dev;
#endif
else
return err;
@@ -2643,7 +2643,7 @@ fore200e_init(struct fore200e* fore200e)
}
#ifdef CONFIG_SBUS
-static int __devinit fore200e_sba_probe(struct of_device *op,
+static int __devinit fore200e_sba_probe(struct platform_device *op,
const struct of_device_id *match)
{
const struct fore200e_bus *bus = match->data;
@@ -2675,7 +2675,7 @@ static int __devinit fore200e_sba_probe(struct of_device *op,
return 0;
}
-static int __devexit fore200e_sba_remove(struct of_device *op)
+static int __devexit fore200e_sba_remove(struct platform_device *op)
{
struct fore200e *fore200e = dev_get_drvdata(&op->dev);
diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c
index 6174965d9a4d..f916ddf63938 100644
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -781,7 +781,8 @@ static struct atm_vcc *find_vcc(struct atm_dev *dev, short vpi, int vci)
sk_for_each(s, node, head) {
vcc = atm_sk(s);
if (vcc->dev == dev && vcc->vci == vci &&
- vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE)
+ vcc->vpi == vpi && vcc->qos.rxtp.traffic_class != ATM_NONE &&
+ test_bit(ATM_VF_READY, &vcc->flags))
goto out;
}
vcc = NULL;
@@ -907,6 +908,10 @@ static void pclose(struct atm_vcc *vcc)
clear_bit(ATM_VF_ADDR, &vcc->flags);
clear_bit(ATM_VF_READY, &vcc->flags);
+ /* Hold up vcc_destroy_socket() (our caller) until solos_bh() in the
+ tasklet has finished processing any incoming packets (and, more to
+ the point, using the vcc pointer). */
+ tasklet_unlock_wait(&card->tlet);
return;
}
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 2bdd8a94ec94..2872e86837b2 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -66,8 +66,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
struct sysinfo i;
si_meminfo_node(&i, nid);
-
- n = sprintf(buf, "\n"
+ n = sprintf(buf,
"Node %d MemTotal: %8lu kB\n"
"Node %d MemFree: %8lu kB\n"
"Node %d MemUsed: %8lu kB\n"
@@ -78,13 +77,33 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
"Node %d Active(file): %8lu kB\n"
"Node %d Inactive(file): %8lu kB\n"
"Node %d Unevictable: %8lu kB\n"
- "Node %d Mlocked: %8lu kB\n"
+ "Node %d Mlocked: %8lu kB\n",
+ nid, K(i.totalram),
+ nid, K(i.freeram),
+ nid, K(i.totalram - i.freeram),
+ nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
+ node_page_state(nid, NR_ACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
+ node_page_state(nid, NR_INACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
+ nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
+ nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
+ nid, K(node_page_state(nid, NR_UNEVICTABLE)),
+ nid, K(node_page_state(nid, NR_MLOCK)));
+
#ifdef CONFIG_HIGHMEM
+ n += sprintf(buf + n,
"Node %d HighTotal: %8lu kB\n"
"Node %d HighFree: %8lu kB\n"
"Node %d LowTotal: %8lu kB\n"
- "Node %d LowFree: %8lu kB\n"
+ "Node %d LowFree: %8lu kB\n",
+ nid, K(i.totalhigh),
+ nid, K(i.freehigh),
+ nid, K(i.totalram - i.totalhigh),
+ nid, K(i.freeram - i.freehigh));
#endif
+ n += sprintf(buf + n,
"Node %d Dirty: %8lu kB\n"
"Node %d Writeback: %8lu kB\n"
"Node %d FilePages: %8lu kB\n"
@@ -99,25 +118,6 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
"Node %d Slab: %8lu kB\n"
"Node %d SReclaimable: %8lu kB\n"
"Node %d SUnreclaim: %8lu kB\n",
- nid, K(i.totalram),
- nid, K(i.freeram),
- nid, K(i.totalram - i.freeram),
- nid, K(node_page_state(nid, NR_ACTIVE_ANON) +
- node_page_state(nid, NR_ACTIVE_FILE)),
- nid, K(node_page_state(nid, NR_INACTIVE_ANON) +
- node_page_state(nid, NR_INACTIVE_FILE)),
- nid, K(node_page_state(nid, NR_ACTIVE_ANON)),
- nid, K(node_page_state(nid, NR_INACTIVE_ANON)),
- nid, K(node_page_state(nid, NR_ACTIVE_FILE)),
- nid, K(node_page_state(nid, NR_INACTIVE_FILE)),
- nid, K(node_page_state(nid, NR_UNEVICTABLE)),
- nid, K(node_page_state(nid, NR_MLOCK)),
-#ifdef CONFIG_HIGHMEM
- nid, K(i.totalhigh),
- nid, K(i.freehigh),
- nid, K(i.totalram - i.totalhigh),
- nid, K(i.freeram - i.freehigh),
-#endif
nid, K(node_page_state(nid, NR_FILE_DIRTY)),
nid, K(node_page_state(nid, NR_WRITEBACK)),
nid, K(node_page_state(nid, NR_FILE_PAGES)),
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index c5f22bb0a48e..4e2c367fec11 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -79,23 +79,28 @@ static int DAC960_open(struct block_device *bdev, fmode_t mode)
struct gendisk *disk = bdev->bd_disk;
DAC960_Controller_T *p = disk->queue->queuedata;
int drive_nr = (long)disk->private_data;
+ int ret = -ENXIO;
+ lock_kernel();
if (p->FirmwareType == DAC960_V1_Controller) {
if (p->V1.LogicalDriveInformation[drive_nr].
LogicalDriveState == DAC960_V1_LogicalDrive_Offline)
- return -ENXIO;
+ goto out;
} else {
DAC960_V2_LogicalDeviceInfo_T *i =
p->V2.LogicalDeviceInformation[drive_nr];
if (!i || i->LogicalDeviceState == DAC960_V2_LogicalDevice_Offline)
- return -ENXIO;
+ goto out;
}
check_disk_change(bdev);
if (!get_capacity(p->disks[drive_nr]))
- return -ENXIO;
- return 0;
+ goto out;
+ ret = 0;
+out:
+ unlock_kernel();
+ return ret;
}
static int DAC960_getgeo(struct block_device *bdev, struct hd_geometry *geo)
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 832798aa14f6..76f114f0bba3 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -60,6 +60,7 @@
#include <linux/hdreg.h>
#include <linux/delay.h>
#include <linux/init.h>
+#include <linux/smp_lock.h>
#include <linux/amifdreg.h>
#include <linux/amifd.h>
#include <linux/buffer_head.h>
@@ -1423,7 +1424,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return 0;
}
-static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long param)
{
struct amiga_floppy_struct *p = bdev->bd_disk->private_data;
@@ -1500,6 +1501,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
return 0;
}
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long param)
+{
+ int ret;
+
+ lock_kernel();
+ ret = fd_locked_ioctl(bdev, mode, cmd, param);
+ unlock_kernel();
+
+ return ret;
+}
+
static void fd_probe(int dev)
{
unsigned long code;
@@ -1542,10 +1555,13 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
int old_dev;
unsigned long flags;
+ lock_kernel();
old_dev = fd_device[drive];
- if (fd_ref[drive] && old_dev != system)
+ if (fd_ref[drive] && old_dev != system) {
+ unlock_kernel();
return -EBUSY;
+ }
if (mode & (FMODE_READ|FMODE_WRITE)) {
check_disk_change(bdev);
@@ -1558,8 +1574,10 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
fd_deselect (drive);
rel_fdc();
- if (wrprot)
+ if (wrprot) {
+ unlock_kernel();
return -EROFS;
+ }
}
}
@@ -1576,6 +1594,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
printk(KERN_INFO "fd%d: accessing %s-disk with %s-layout\n",drive,
unit[drive].type->name, data_types[system].name);
+ unlock_kernel();
return 0;
}
@@ -1584,6 +1603,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
struct amiga_floppy_struct *p = disk->private_data;
int drive = p - unit;
+ lock_kernel();
if (unit[drive].dirty == 1) {
del_timer (flush_track_timer + drive);
non_int_flush_track (drive);
@@ -1597,6 +1617,7 @@ static int floppy_release(struct gendisk *disk, fmode_t mode)
/* the mod_use counter is handled this way */
floppy_off (drive | 0x40000000);
#endif
+ unlock_kernel();
return 0;
}
@@ -1638,7 +1659,7 @@ static const struct block_device_operations floppy_fops = {
.owner = THIS_MODULE,
.open = floppy_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.getgeo = fd_getgeo,
.media_changed = amiga_floppy_change,
};
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 035cefe4045a..a946929735a5 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/genhd.h>
#include <linux/netdevice.h>
+#include <linux/smp_lock.h>
#include "aoe.h"
static struct kmem_cache *buf_pool_cache;
@@ -124,13 +125,16 @@ aoeblk_open(struct block_device *bdev, fmode_t mode)
struct aoedev *d = bdev->bd_disk->private_data;
ulong flags;
+ lock_kernel();
spin_lock_irqsave(&d->lock, flags);
if (d->flags & DEVFL_UP) {
d->nopen++;
spin_unlock_irqrestore(&d->lock, flags);
+ unlock_kernel();
return 0;
}
spin_unlock_irqrestore(&d->lock, flags);
+ unlock_kernel();
return -ENODEV;
}
@@ -173,7 +177,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
BUG();
bio_endio(bio, -ENXIO);
return 0;
- } else if (bio_rw_flagged(bio, BIO_RW_BARRIER)) {
+ } else if (bio->bi_rw & REQ_HARDBARRIER) {
bio_endio(bio, -EOPNOTSUPP);
return 0;
} else if (bio->bi_io_vec == NULL) {
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index e35cf59cbfde..aceb96476524 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -67,6 +67,7 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/blkdev.h>
+#include <linux/smp_lock.h>
#include <asm/atafd.h>
#include <asm/atafdreg.h>
@@ -359,7 +360,7 @@ static void finish_fdc( void );
static void finish_fdc_done( int dummy );
static void setup_req_params( int drive );
static void redo_fd_request( void);
-static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
cmd, unsigned long param);
static void fd_probe( int drive );
static int fd_test_drive_present( int drive );
@@ -1480,7 +1481,7 @@ void do_fd_request(struct request_queue * q)
atari_enable_irq( IRQ_MFP_FDC );
}
-static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long param)
{
struct gendisk *disk = bdev->bd_disk;
@@ -1665,6 +1666,17 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode,
}
}
+static int fd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = fd_locked_ioctl(bdev, mode, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
/* Initialize the 'unit' variable for drive 'drive' */
@@ -1838,24 +1850,36 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
return 0;
}
+static int floppy_unlocked_open(struct block_device *bdev, fmode_t mode)
+{
+ int ret;
+
+ lock_kernel();
+ ret = floppy_open(bdev, mode);
+ unlock_kernel();
+
+ return ret;
+}
static int floppy_release(struct gendisk *disk, fmode_t mode)
{
struct atari_floppy_struct *p = disk->private_data;
+ lock_kernel();
if (p->ref < 0)
p->ref = 0;
else if (!p->ref--) {
printk(KERN_ERR "floppy_release with fd_ref == 0");
p->ref = 0;
}
+ unlock_kernel();
return 0;
}
static const struct block_device_operations floppy_fops = {
.owner = THIS_MODULE,
- .open = floppy_open,
+ .open = floppy_unlocked_open,
.release = floppy_release,
- .locked_ioctl = fd_ioctl,
+ .ioctl = fd_ioctl,
.media_changed = check_floppy_change,
.revalidate_disk= floppy_revalidate,
};
diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index f1bf79d9bc0a..1c7f63792ff8 100644
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -15,6 +15,7 @@
#include <linux/blkdev.h>
#include <linux/bio.h>
#include <linux/highmem.h>
+#include <linux/smp_lock.h>
#include <linux/radix-tree.h>
#include <linux/buffer_head.h> /* invalidate_bh_lrus() */
#include <linux/slab.h>
@@ -340,7 +341,7 @@ static int brd_make_request(struct request_queue *q, struct bio *bio)
get_capacity(bdev->bd_disk))
goto out;
- if (unlikely(bio_rw_flagged(bio, BIO_RW_DISCARD))) {
+ if (unlikely(bio->bi_rw & REQ_DISCARD)) {
err = 0;
discard_from_brd(brd, sector, bio->bi_size);
goto out;
@@ -401,6 +402,7 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode,
* ram device BLKFLSBUF has special semantics, we want to actually
* release and destroy the ramdisk data.
*/
+ lock_kernel();
mutex_lock(&bdev->bd_mutex);
error = -EBUSY;
if (bdev->bd_openers <= 1) {
@@ -417,13 +419,14 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode,
error = 0;
}
mutex_unlock(&bdev->bd_mutex);
+ unlock_kernel();
return error;
}
static const struct block_device_operations brd_fops = {
.owner = THIS_MODULE,
- .locked_ioctl = brd_ioctl,
+ .ioctl = brd_ioctl,
#ifdef CONFIG_BLK_DEV_XIP
.direct_access = brd_direct_access,
#endif
@@ -479,7 +482,7 @@ static struct brd_device *brd_alloc(int i)
if (!brd->brd_queue)
goto out_free_dev;
blk_queue_make_request(brd->brd_queue, brd_make_request);
- blk_queue_ordered(brd->brd_queue, QUEUE_ORDERED_TAG, NULL);
+ blk_queue_ordered(brd->brd_queue, QUEUE_ORDERED_TAG);
blk_queue_max_hw_sectors(brd->brd_queue, 1024);
blk_queue_bounce_limit(brd->brd_queue, BLK_BOUNCE_ANY);
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e1e7143ca1e3..31064df1370a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -56,16 +56,14 @@
#include <linux/kthread.h>
#define CCISS_DRIVER_VERSION(maj,min,submin) ((maj<<16)|(min<<8)|(submin))
-#define DRIVER_NAME "HP CISS Driver (v 3.6.20)"
-#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 20)
+#define DRIVER_NAME "HP CISS Driver (v 3.6.26)"
+#define DRIVER_VERSION CCISS_DRIVER_VERSION(3, 6, 26)
/* Embedded module documentation macros - see modules.h */
MODULE_AUTHOR("Hewlett-Packard Company");
MODULE_DESCRIPTION("Driver for HP Smart Array Controllers");
-MODULE_SUPPORTED_DEVICE("HP SA5i SA5i+ SA532 SA5300 SA5312 SA641 SA642 SA6400"
- " SA6i P600 P800 P400 P400i E200 E200i E500 P700m"
- " Smart Array G2 Series SAS/SATA Controllers");
-MODULE_VERSION("3.6.20");
+MODULE_SUPPORTED_DEVICE("HP Smart Array Controllers");
+MODULE_VERSION("3.6.26");
MODULE_LICENSE("GPL");
static int cciss_allow_hpsa;
@@ -107,6 +105,11 @@ static const struct pci_device_id cciss_pci_device_id[] = {
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3249},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324A},
{PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x324B},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3250},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3251},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3252},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3253},
+ {PCI_VENDOR_ID_HP, PCI_DEVICE_ID_HP_CISSE, 0x103C, 0x3254},
{0,}
};
@@ -146,6 +149,11 @@ static struct board_type products[] = {
{0x3249103C, "Smart Array P812", &SA5_access},
{0x324A103C, "Smart Array P712m", &SA5_access},
{0x324B103C, "Smart Array P711m", &SA5_access},
+ {0x3250103C, "Smart Array", &SA5_access},
+ {0x3251103C, "Smart Array", &SA5_access},
+ {0x3252103C, "Smart Array", &SA5_access},
+ {0x3253103C, "Smart Array", &SA5_access},
+ {0x3254103C, "Smart Array", &SA5_access},
};
/* How long to wait (in milliseconds) for board to go into simple mode */
@@ -167,9 +175,13 @@ static DEFINE_MUTEX(scan_mutex);
static LIST_HEAD(scan_q);
static void do_cciss_request(struct request_queue *q);
-static irqreturn_t do_cciss_intr(int irq, void *dev_id);
+static irqreturn_t do_cciss_intx(int irq, void *dev_id);
+static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id);
static int cciss_open(struct block_device *bdev, fmode_t mode);
+static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode);
static int cciss_release(struct gendisk *disk, fmode_t mode);
+static int do_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg);
static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -179,25 +191,23 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl);
static int deregister_disk(ctlr_info_t *h, int drv_index,
int clear_all, int via_ioctl);
-static void cciss_read_capacity(int ctlr, int logvol,
+static void cciss_read_capacity(ctlr_info_t *h, int logvol,
sector_t *total_size, unsigned int *block_size);
-static void cciss_read_capacity_16(int ctlr, int logvol,
+static void cciss_read_capacity_16(ctlr_info_t *h, int logvol,
sector_t *total_size, unsigned int *block_size);
-static void cciss_geometry_inquiry(int ctlr, int logvol,
+static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol,
sector_t total_size,
unsigned int block_size, InquiryData_struct *inq_buff,
drive_info_struct *drv);
-static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
- __u32);
+static void __devinit cciss_interrupt_mode(ctlr_info_t *);
static void start_io(ctlr_info_t *h);
-static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
+static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size,
__u8 page_code, unsigned char scsi3addr[],
int cmd_type);
static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c,
int attempt_retry);
static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c);
-static void fail_all_cmds(unsigned long ctlr);
static int add_to_scan_list(struct ctlr_info *h);
static int scan_thread(void *data);
static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c);
@@ -205,11 +215,23 @@ static void cciss_hba_release(struct device *dev);
static void cciss_device_release(struct device *dev);
static void cciss_free_gendisk(ctlr_info_t *h, int drv_index);
static void cciss_free_drive_info(ctlr_info_t *h, int drv_index);
+static inline u32 next_command(ctlr_info_t *h);
+static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev,
+ void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index,
+ u64 *cfg_offset);
+static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev,
+ unsigned long *memory_bar);
+
+
+/* performant mode helper functions */
+static void calc_bucket_map(int *bucket, int num_buckets, int nsgs,
+ int *bucket_map);
+static void cciss_put_controller_into_performant_mode(ctlr_info_t *h);
#ifdef CONFIG_PROC_FS
-static void cciss_procinit(int i);
+static void cciss_procinit(ctlr_info_t *h);
#else
-static void cciss_procinit(int i)
+static void cciss_procinit(ctlr_info_t *h)
{
}
#endif /* CONFIG_PROC_FS */
@@ -221,9 +243,9 @@ static int cciss_compat_ioctl(struct block_device *, fmode_t,
static const struct block_device_operations cciss_fops = {
.owner = THIS_MODULE,
- .open = cciss_open,
+ .open = cciss_unlocked_open,
.release = cciss_release,
- .locked_ioctl = cciss_ioctl,
+ .ioctl = do_ioctl,
.getgeo = cciss_getgeo,
#ifdef CONFIG_COMPAT
.compat_ioctl = cciss_compat_ioctl,
@@ -231,6 +253,16 @@ static const struct block_device_operations cciss_fops = {
.revalidate_disk = cciss_revalidate,
};
+/* set_performant_mode: Modify the tag for cciss performant
+ * set bit 0 for pull model, bits 3-1 for block fetch
+ * register number
+ */
+static void set_performant_mode(ctlr_info_t *h, CommandList_struct *c)
+{
+ if (likely(h->transMethod == CFGTBL_Trans_Performant))
+ c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1);
+}
+
/*
* Enqueuing and dequeuing functions for cmdlists.
*/
@@ -257,6 +289,18 @@ static inline void removeQ(CommandList_struct *c)
hlist_del_init(&c->list);
}
+static void enqueue_cmd_and_start_io(ctlr_info_t *h,
+ CommandList_struct *c)
+{
+ unsigned long flags;
+ set_performant_mode(h, c);
+ spin_lock_irqsave(&h->lock, flags);
+ addQ(&h->reqQ, c);
+ h->Qdepth++;
+ start_io(h);
+ spin_unlock_irqrestore(&h->lock, flags);
+}
+
static void cciss_free_sg_chain_blocks(SGDescriptor_struct **cmd_sg_list,
int nr_cmds)
{
@@ -366,32 +410,31 @@ static void cciss_seq_show_header(struct seq_file *seq)
h->product_name,
(unsigned long)h->board_id,
h->firm_ver[0], h->firm_ver[1], h->firm_ver[2],
- h->firm_ver[3], (unsigned int)h->intr[SIMPLE_MODE_INT],
+ h->firm_ver[3], (unsigned int)h->intr[PERF_MODE_INT],
h->num_luns,
h->Qdepth, h->commands_outstanding,
h->maxQsinceinit, h->max_outstanding, h->maxSG);
#ifdef CONFIG_CISS_SCSI_TAPE
- cciss_seq_tape_report(seq, h->ctlr);
+ cciss_seq_tape_report(seq, h);
#endif /* CONFIG_CISS_SCSI_TAPE */
}
static void *cciss_seq_start(struct seq_file *seq, loff_t *pos)
{
ctlr_info_t *h = seq->private;
- unsigned ctlr = h->ctlr;
unsigned long flags;
/* prevent displaying bogus info during configuration
* or deconfiguration of a logical volume
*/
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring) {
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return ERR_PTR(-EBUSY);
}
h->busy_configuring = 1;
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (*pos == 0)
cciss_seq_show_header(seq);
@@ -499,7 +542,7 @@ cciss_proc_write(struct file *file, const char __user *buf,
struct seq_file *seq = file->private_data;
ctlr_info_t *h = seq->private;
- err = cciss_engage_scsi(h->ctlr);
+ err = cciss_engage_scsi(h);
if (err == 0)
err = length;
} else
@@ -522,7 +565,7 @@ static const struct file_operations cciss_proc_fops = {
.write = cciss_proc_write,
};
-static void __devinit cciss_procinit(int i)
+static void __devinit cciss_procinit(ctlr_info_t *h)
{
struct proc_dir_entry *pde;
@@ -530,9 +573,9 @@ static void __devinit cciss_procinit(int i)
proc_cciss = proc_mkdir("driver/cciss", NULL);
if (!proc_cciss)
return;
- pde = proc_create_data(hba[i]->devname, S_IWUSR | S_IRUSR | S_IRGRP |
+ pde = proc_create_data(h->devname, S_IWUSR | S_IRUSR | S_IRGRP |
S_IROTH, proc_cciss,
- &cciss_proc_fops, hba[i]);
+ &cciss_proc_fops, h);
}
#endif /* CONFIG_PROC_FS */
@@ -565,12 +608,12 @@ static ssize_t dev_show_unique_id(struct device *dev,
unsigned long flags;
int ret = 0;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring)
ret = -EBUSY;
else
memcpy(sn, drv->serial_no, sizeof(sn));
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (ret)
return ret;
@@ -595,12 +638,12 @@ static ssize_t dev_show_vendor(struct device *dev,
unsigned long flags;
int ret = 0;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring)
ret = -EBUSY;
else
memcpy(vendor, drv->vendor, VENDOR_LEN + 1);
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (ret)
return ret;
@@ -619,12 +662,12 @@ static ssize_t dev_show_model(struct device *dev,
unsigned long flags;
int ret = 0;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring)
ret = -EBUSY;
else
memcpy(model, drv->model, MODEL_LEN + 1);
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (ret)
return ret;
@@ -643,12 +686,12 @@ static ssize_t dev_show_rev(struct device *dev,
unsigned long flags;
int ret = 0;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring)
ret = -EBUSY;
else
memcpy(rev, drv->rev, REV_LEN + 1);
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (ret)
return ret;
@@ -665,17 +708,17 @@ static ssize_t cciss_show_lunid(struct device *dev,
unsigned long flags;
unsigned char lunid[8];
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring) {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return -EBUSY;
}
if (!drv->heads) {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return -ENOTTY;
}
memcpy(lunid, drv->LunID, sizeof(lunid));
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
lunid[0], lunid[1], lunid[2], lunid[3],
lunid[4], lunid[5], lunid[6], lunid[7]);
@@ -690,13 +733,13 @@ static ssize_t cciss_show_raid_level(struct device *dev,
int raid;
unsigned long flags;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring) {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return -EBUSY;
}
raid = drv->raid_level;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (raid < 0 || raid > RAID_UNKNOWN)
raid = RAID_UNKNOWN;
@@ -713,13 +756,13 @@ static ssize_t cciss_show_usage_count(struct device *dev,
unsigned long flags;
int count;
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring) {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return -EBUSY;
}
count = drv->usage_count;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return snprintf(buf, 20, "%d\n", count);
}
static DEVICE_ATTR(usage_count, S_IRUGO, cciss_show_usage_count, NULL);
@@ -864,60 +907,70 @@ static void cciss_destroy_ld_sysfs_entry(struct ctlr_info *h, int drv_index,
/*
* For operations that cannot sleep, a command block is allocated at init,
* and managed by cmd_alloc() and cmd_free() using a simple bitmap to track
- * which ones are free or in use. For operations that can wait for kmalloc
- * to possible sleep, this routine can be called with get_from_pool set to 0.
- * cmd_free() MUST be called with a got_from_pool set to 0 if cmd_alloc was.
+ * which ones are free or in use.
*/
-static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool)
+static CommandList_struct *cmd_alloc(ctlr_info_t *h)
{
CommandList_struct *c;
int i;
u64bit temp64;
dma_addr_t cmd_dma_handle, err_dma_handle;
- if (!get_from_pool) {
- c = (CommandList_struct *) pci_alloc_consistent(h->pdev,
- sizeof(CommandList_struct), &cmd_dma_handle);
- if (c == NULL)
+ do {
+ i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds);
+ if (i == h->nr_cmds)
return NULL;
- memset(c, 0, sizeof(CommandList_struct));
+ } while (test_and_set_bit(i & (BITS_PER_LONG - 1),
+ h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0);
+ c = h->cmd_pool + i;
+ memset(c, 0, sizeof(CommandList_struct));
+ cmd_dma_handle = h->cmd_pool_dhandle + i * sizeof(CommandList_struct);
+ c->err_info = h->errinfo_pool + i;
+ memset(c->err_info, 0, sizeof(ErrorInfo_struct));
+ err_dma_handle = h->errinfo_pool_dhandle
+ + i * sizeof(ErrorInfo_struct);
+ h->nr_allocs++;
- c->cmdindex = -1;
+ c->cmdindex = i;
- c->err_info = (ErrorInfo_struct *)
- pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct),
- &err_dma_handle);
+ INIT_HLIST_NODE(&c->list);
+ c->busaddr = (__u32) cmd_dma_handle;
+ temp64.val = (__u64) err_dma_handle;
+ c->ErrDesc.Addr.lower = temp64.val32.lower;
+ c->ErrDesc.Addr.upper = temp64.val32.upper;
+ c->ErrDesc.Len = sizeof(ErrorInfo_struct);
- if (c->err_info == NULL) {
- pci_free_consistent(h->pdev,
- sizeof(CommandList_struct), c, cmd_dma_handle);
- return NULL;
- }
- memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- } else { /* get it out of the controllers pool */
-
- do {
- i = find_first_zero_bit(h->cmd_pool_bits, h->nr_cmds);
- if (i == h->nr_cmds)
- return NULL;
- } while (test_and_set_bit
- (i & (BITS_PER_LONG - 1),
- h->cmd_pool_bits + (i / BITS_PER_LONG)) != 0);
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss: using command buffer %d\n", i);
-#endif
- c = h->cmd_pool + i;
- memset(c, 0, sizeof(CommandList_struct));
- cmd_dma_handle = h->cmd_pool_dhandle
- + i * sizeof(CommandList_struct);
- c->err_info = h->errinfo_pool + i;
- memset(c->err_info, 0, sizeof(ErrorInfo_struct));
- err_dma_handle = h->errinfo_pool_dhandle
- + i * sizeof(ErrorInfo_struct);
- h->nr_allocs++;
+ c->ctlr = h->ctlr;
+ return c;
+}
- c->cmdindex = i;
+/* allocate a command using pci_alloc_consistent, used for ioctls,
+ * etc., not for the main i/o path.
+ */
+static CommandList_struct *cmd_special_alloc(ctlr_info_t *h)
+{
+ CommandList_struct *c;
+ u64bit temp64;
+ dma_addr_t cmd_dma_handle, err_dma_handle;
+
+ c = (CommandList_struct *) pci_alloc_consistent(h->pdev,
+ sizeof(CommandList_struct), &cmd_dma_handle);
+ if (c == NULL)
+ return NULL;
+ memset(c, 0, sizeof(CommandList_struct));
+
+ c->cmdindex = -1;
+
+ c->err_info = (ErrorInfo_struct *)
+ pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct),
+ &err_dma_handle);
+
+ if (c->err_info == NULL) {
+ pci_free_consistent(h->pdev,
+ sizeof(CommandList_struct), c, cmd_dma_handle);
+ return NULL;
}
+ memset(c->err_info, 0, sizeof(ErrorInfo_struct));
INIT_HLIST_NODE(&c->list);
c->busaddr = (__u32) cmd_dma_handle;
@@ -930,27 +983,26 @@ static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool)
return c;
}
-/*
- * Frees a command block that was previously allocated with cmd_alloc().
- */
-static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool)
+static void cmd_free(ctlr_info_t *h, CommandList_struct *c)
{
int i;
+
+ i = c - h->cmd_pool;
+ clear_bit(i & (BITS_PER_LONG - 1),
+ h->cmd_pool_bits + (i / BITS_PER_LONG));
+ h->nr_frees++;
+}
+
+static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c)
+{
u64bit temp64;
- if (!got_from_pool) {
- temp64.val32.lower = c->ErrDesc.Addr.lower;
- temp64.val32.upper = c->ErrDesc.Addr.upper;
- pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
- c->err_info, (dma_addr_t) temp64.val);
- pci_free_consistent(h->pdev, sizeof(CommandList_struct),
- c, (dma_addr_t) c->busaddr);
- } else {
- i = c - h->cmd_pool;
- clear_bit(i & (BITS_PER_LONG - 1),
- h->cmd_pool_bits + (i / BITS_PER_LONG));
- h->nr_frees++;
- }
+ temp64.val32.lower = c->ErrDesc.Addr.lower;
+ temp64.val32.upper = c->ErrDesc.Addr.upper;
+ pci_free_consistent(h->pdev, sizeof(ErrorInfo_struct),
+ c->err_info, (dma_addr_t) temp64.val);
+ pci_free_consistent(h->pdev, sizeof(CommandList_struct),
+ c, (dma_addr_t) c->busaddr);
}
static inline ctlr_info_t *get_host(struct gendisk *disk)
@@ -968,13 +1020,10 @@ static inline drive_info_struct *get_drv(struct gendisk *disk)
*/
static int cciss_open(struct block_device *bdev, fmode_t mode)
{
- ctlr_info_t *host = get_host(bdev->bd_disk);
+ ctlr_info_t *h = get_host(bdev->bd_disk);
drive_info_struct *drv = get_drv(bdev->bd_disk);
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss_open %s\n", bdev->bd_disk->disk_name);
-#endif /* CCISS_DEBUG */
-
+ dev_dbg(&h->pdev->dev, "cciss_open %s\n", bdev->bd_disk->disk_name);
if (drv->busy_configuring)
return -EBUSY;
/*
@@ -1000,29 +1049,39 @@ static int cciss_open(struct block_device *bdev, fmode_t mode)
return -EPERM;
}
drv->usage_count++;
- host->usage_count++;
+ h->usage_count++;
return 0;
}
+static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode)
+{
+ int ret;
+
+ lock_kernel();
+ ret = cciss_open(bdev, mode);
+ unlock_kernel();
+
+ return ret;
+}
+
/*
* Close. Sync first.
*/
static int cciss_release(struct gendisk *disk, fmode_t mode)
{
- ctlr_info_t *host = get_host(disk);
- drive_info_struct *drv = get_drv(disk);
-
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss_release %s\n", disk->disk_name);
-#endif /* CCISS_DEBUG */
+ ctlr_info_t *h;
+ drive_info_struct *drv;
+ lock_kernel();
+ h = get_host(disk);
+ drv = get_drv(disk);
+ dev_dbg(&h->pdev->dev, "cciss_release %s\n", disk->disk_name);
drv->usage_count--;
- host->usage_count--;
+ h->usage_count--;
+ unlock_kernel();
return 0;
}
-#ifdef CONFIG_COMPAT
-
static int do_ioctl(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg)
{
@@ -1033,6 +1092,8 @@ static int do_ioctl(struct block_device *bdev, fmode_t mode,
return ret;
}
+#ifdef CONFIG_COMPAT
+
static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
unsigned cmd, unsigned long arg);
static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
@@ -1163,11 +1224,11 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return 0;
}
-static void check_ioctl_unit_attention(ctlr_info_t *host, CommandList_struct *c)
+static void check_ioctl_unit_attention(ctlr_info_t *h, CommandList_struct *c)
{
if (c->err_info->CommandStatus == CMD_TARGET_STATUS &&
c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION)
- (void)check_for_unit_attention(host, c);
+ (void)check_for_unit_attention(h, c);
}
/*
* ioctl
@@ -1176,15 +1237,12 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct gendisk *disk = bdev->bd_disk;
- ctlr_info_t *host = get_host(disk);
+ ctlr_info_t *h = get_host(disk);
drive_info_struct *drv = get_drv(disk);
- int ctlr = host->ctlr;
void __user *argp = (void __user *)arg;
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss_ioctl: Called with cmd=%x %lx\n", cmd, arg);
-#endif /* CCISS_DEBUG */
-
+ dev_dbg(&h->pdev->dev, "cciss_ioctl: Called with cmd=%x %lx\n",
+ cmd, arg);
switch (cmd) {
case CCISS_GETPCIINFO:
{
@@ -1192,10 +1250,10 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (!arg)
return -EINVAL;
- pciinfo.domain = pci_domain_nr(host->pdev->bus);
- pciinfo.bus = host->pdev->bus->number;
- pciinfo.dev_fn = host->pdev->devfn;
- pciinfo.board_id = host->board_id;
+ pciinfo.domain = pci_domain_nr(h->pdev->bus);
+ pciinfo.bus = h->pdev->bus->number;
+ pciinfo.dev_fn = h->pdev->devfn;
+ pciinfo.board_id = h->board_id;
if (copy_to_user
(argp, &pciinfo, sizeof(cciss_pci_info_struct)))
return -EFAULT;
@@ -1207,9 +1265,9 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (!arg)
return -EINVAL;
intinfo.delay =
- readl(&host->cfgtable->HostWrite.CoalIntDelay);
+ readl(&h->cfgtable->HostWrite.CoalIntDelay);
intinfo.count =
- readl(&host->cfgtable->HostWrite.CoalIntCount);
+ readl(&h->cfgtable->HostWrite.CoalIntCount);
if (copy_to_user
(argp, &intinfo, sizeof(cciss_coalint_struct)))
return -EFAULT;
@@ -1229,26 +1287,23 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
(&intinfo, argp, sizeof(cciss_coalint_struct)))
return -EFAULT;
if ((intinfo.delay == 0) && (intinfo.count == 0))
- {
-// printk("cciss_ioctl: delay and count cannot be 0\n");
return -EINVAL;
- }
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
/* Update the field, and then ring the doorbell */
writel(intinfo.delay,
- &(host->cfgtable->HostWrite.CoalIntDelay));
+ &(h->cfgtable->HostWrite.CoalIntDelay));
writel(intinfo.count,
- &(host->cfgtable->HostWrite.CoalIntCount));
- writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
+ &(h->cfgtable->HostWrite.CoalIntCount));
+ writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
- if (!(readl(host->vaddr + SA5_DOORBELL)
+ if (!(readl(h->vaddr + SA5_DOORBELL)
& CFGTBL_ChangeReq))
break;
/* delay and try again */
udelay(1000);
}
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (i >= MAX_IOCTL_CONFIG_WAIT)
return -EAGAIN;
return 0;
@@ -1262,7 +1317,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
return -EINVAL;
for (i = 0; i < 16; i++)
NodeName[i] =
- readb(&host->cfgtable->ServerName[i]);
+ readb(&h->cfgtable->ServerName[i]);
if (copy_to_user(argp, NodeName, sizeof(NodeName_type)))
return -EFAULT;
return 0;
@@ -1282,23 +1337,23 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
(NodeName, argp, sizeof(NodeName_type)))
return -EFAULT;
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
/* Update the field, and then ring the doorbell */
for (i = 0; i < 16; i++)
writeb(NodeName[i],
- &host->cfgtable->ServerName[i]);
+ &h->cfgtable->ServerName[i]);
- writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL);
+ writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) {
- if (!(readl(host->vaddr + SA5_DOORBELL)
+ if (!(readl(h->vaddr + SA5_DOORBELL)
& CFGTBL_ChangeReq))
break;
/* delay and try again */
udelay(1000);
}
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
if (i >= MAX_IOCTL_CONFIG_WAIT)
return -EAGAIN;
return 0;
@@ -1310,7 +1365,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (!arg)
return -EINVAL;
- heartbeat = readl(&host->cfgtable->HeartBeat);
+ heartbeat = readl(&h->cfgtable->HeartBeat);
if (copy_to_user
(argp, &heartbeat, sizeof(Heartbeat_type)))
return -EFAULT;
@@ -1322,7 +1377,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (!arg)
return -EINVAL;
- BusTypes = readl(&host->cfgtable->BusTypes);
+ BusTypes = readl(&h->cfgtable->BusTypes);
if (copy_to_user
(argp, &BusTypes, sizeof(BusTypes_type)))
return -EFAULT;
@@ -1334,7 +1389,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (!arg)
return -EINVAL;
- memcpy(firmware, host->firm_ver, 4);
+ memcpy(firmware, h->firm_ver, 4);
if (copy_to_user
(argp, firmware, sizeof(FirmwareVer_type)))
@@ -1357,7 +1412,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
case CCISS_DEREGDISK:
case CCISS_REGNEWD:
case CCISS_REVALIDVOLS:
- return rebuild_lun_table(host, 0, 1);
+ return rebuild_lun_table(h, 0, 1);
case CCISS_GETLUNINFO:{
LogvolInfo_struct luninfo;
@@ -1377,7 +1432,6 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
CommandList_struct *c;
char *buff = NULL;
u64bit temp64;
- unsigned long flags;
DECLARE_COMPLETION_ONSTACK(wait);
if (!arg)
@@ -1413,7 +1467,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
} else {
memset(buff, 0, iocommand.buf_size);
}
- if ((c = cmd_alloc(host, 0)) == NULL) {
+ c = cmd_special_alloc(h);
+ if (!c) {
kfree(buff);
return -ENOMEM;
}
@@ -1439,7 +1494,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
/* Fill in the scatter gather information */
if (iocommand.buf_size > 0) {
- temp64.val = pci_map_single(host->pdev, buff,
+ temp64.val = pci_map_single(h->pdev, buff,
iocommand.buf_size,
PCI_DMA_BIDIRECTIONAL);
c->SG[0].Addr.lower = temp64.val32.lower;
@@ -1449,30 +1504,24 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
}
c->waiting = &wait;
- /* Put the request on the tail of the request queue */
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- addQ(&host->reqQ, c);
- host->Qdepth++;
- start_io(host);
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
-
+ enqueue_cmd_and_start_io(h, c);
wait_for_completion(&wait);
/* unlock the buffers from DMA */
temp64.val32.lower = c->SG[0].Addr.lower;
temp64.val32.upper = c->SG[0].Addr.upper;
- pci_unmap_single(host->pdev, (dma_addr_t) temp64.val,
+ pci_unmap_single(h->pdev, (dma_addr_t) temp64.val,
iocommand.buf_size,
PCI_DMA_BIDIRECTIONAL);
- check_ioctl_unit_attention(host, c);
+ check_ioctl_unit_attention(h, c);
/* Copy the error information out */
iocommand.error_info = *(c->err_info);
if (copy_to_user
(argp, &iocommand, sizeof(IOCTL_Command_struct))) {
kfree(buff);
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
return -EFAULT;
}
@@ -1481,12 +1530,12 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (copy_to_user
(iocommand.buf, buff, iocommand.buf_size)) {
kfree(buff);
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
return -EFAULT;
}
}
kfree(buff);
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
return 0;
}
case CCISS_BIG_PASSTHRU:{
@@ -1495,7 +1544,6 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
unsigned char **buff = NULL;
int *buff_size = NULL;
u64bit temp64;
- unsigned long flags;
BYTE sg_used = 0;
int status = 0;
int i;
@@ -1569,7 +1617,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
data_ptr += sz;
sg_used++;
}
- if ((c = cmd_alloc(host, 0)) == NULL) {
+ c = cmd_special_alloc(h);
+ if (!c) {
status = -ENOMEM;
goto cleanup1;
}
@@ -1590,7 +1639,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
if (ioc->buf_size > 0) {
for (i = 0; i < sg_used; i++) {
temp64.val =
- pci_map_single(host->pdev, buff[i],
+ pci_map_single(h->pdev, buff[i],
buff_size[i],
PCI_DMA_BIDIRECTIONAL);
c->SG[i].Addr.lower =
@@ -1602,26 +1651,21 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
}
}
c->waiting = &wait;
- /* Put the request on the tail of the request queue */
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- addQ(&host->reqQ, c);
- host->Qdepth++;
- start_io(host);
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ enqueue_cmd_and_start_io(h, c);
wait_for_completion(&wait);
/* unlock the buffers from DMA */
for (i = 0; i < sg_used; i++) {
temp64.val32.lower = c->SG[i].Addr.lower;
temp64.val32.upper = c->SG[i].Addr.upper;
- pci_unmap_single(host->pdev,
+ pci_unmap_single(h->pdev,
(dma_addr_t) temp64.val, buff_size[i],
PCI_DMA_BIDIRECTIONAL);
}
- check_ioctl_unit_attention(host, c);
+ check_ioctl_unit_attention(h, c);
/* Copy the error information out */
ioc->error_info = *(c->err_info);
if (copy_to_user(argp, ioc, sizeof(*ioc))) {
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
status = -EFAULT;
goto cleanup1;
}
@@ -1631,14 +1675,14 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode,
for (i = 0; i < sg_used; i++) {
if (copy_to_user
(ptr, buff[i], buff_size[i])) {
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
status = -EFAULT;
goto cleanup1;
}
ptr += buff_size[i];
}
}
- cmd_free(host, c, 0);
+ cmd_special_free(h, c);
status = 0;
cleanup1:
if (buff) {
@@ -1726,26 +1770,26 @@ static void cciss_check_queues(ctlr_info_t *h)
static void cciss_softirq_done(struct request *rq)
{
- CommandList_struct *cmd = rq->completion_data;
- ctlr_info_t *h = hba[cmd->ctlr];
- SGDescriptor_struct *curr_sg = cmd->SG;
- unsigned long flags;
+ CommandList_struct *c = rq->completion_data;
+ ctlr_info_t *h = hba[c->ctlr];
+ SGDescriptor_struct *curr_sg = c->SG;
u64bit temp64;
+ unsigned long flags;
int i, ddir;
int sg_index = 0;
- if (cmd->Request.Type.Direction == XFER_READ)
+ if (c->Request.Type.Direction == XFER_READ)
ddir = PCI_DMA_FROMDEVICE;
else
ddir = PCI_DMA_TODEVICE;
/* command did not need to be retried */
/* unmap the DMA mapping for all the scatter gather elements */
- for (i = 0; i < cmd->Header.SGList; i++) {
+ for (i = 0; i < c->Header.SGList; i++) {
if (curr_sg[sg_index].Ext == CCISS_SG_CHAIN) {
- cciss_unmap_sg_chain_block(h, cmd);
+ cciss_unmap_sg_chain_block(h, c);
/* Point to the next block */
- curr_sg = h->cmd_sg_list[cmd->cmdindex];
+ curr_sg = h->cmd_sg_list[c->cmdindex];
sg_index = 0;
}
temp64.val32.lower = curr_sg[sg_index].Addr.lower;
@@ -1755,18 +1799,16 @@ static void cciss_softirq_done(struct request *rq)
++sg_index;
}
-#ifdef CCISS_DEBUG
- printk("Done with %p\n", rq);
-#endif /* CCISS_DEBUG */
+ dev_dbg(&h->pdev->dev, "Done with %p\n", rq);
/* set the residual count for pc requests */
- if (blk_pc_request(rq))
- rq->resid_len = cmd->err_info->ResidualCnt;
+ if (rq->cmd_type == REQ_TYPE_BLOCK_PC)
+ rq->resid_len = c->err_info->ResidualCnt;
blk_end_request_all(rq, (rq->errors == 0) ? 0 : -EIO);
spin_lock_irqsave(&h->lock, flags);
- cmd_free(h, cmd, 1);
+ cmd_free(h, c);
cciss_check_queues(h);
spin_unlock_irqrestore(&h->lock, flags);
}
@@ -1782,7 +1824,7 @@ static inline void log_unit_to_scsi3addr(ctlr_info_t *h,
* via the inquiry page 0. Model, vendor, and rev are set to empty strings if
* they cannot be read.
*/
-static void cciss_get_device_descr(int ctlr, int logvol,
+static void cciss_get_device_descr(ctlr_info_t *h, int logvol,
char *vendor, char *model, char *rev)
{
int rc;
@@ -1797,8 +1839,8 @@ static void cciss_get_device_descr(int ctlr, int logvol,
if (!inq_buf)
return;
- log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- rc = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buf, sizeof(*inq_buf), 0,
+ log_unit_to_scsi3addr(h, scsi3addr, logvol);
+ rc = sendcmd_withirq(h, CISS_INQUIRY, inq_buf, sizeof(*inq_buf), 0,
scsi3addr, TYPE_CMD);
if (rc == IO_OK) {
memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN);
@@ -1818,7 +1860,7 @@ static void cciss_get_device_descr(int ctlr, int logvol,
* number cannot be had, for whatever reason, 16 bytes of 0xff
* are returned instead.
*/
-static void cciss_get_serial_no(int ctlr, int logvol,
+static void cciss_get_serial_no(ctlr_info_t *h, int logvol,
unsigned char *serial_no, int buflen)
{
#define PAGE_83_INQ_BYTES 64
@@ -1833,8 +1875,8 @@ static void cciss_get_serial_no(int ctlr, int logvol,
if (!buf)
return;
memset(serial_no, 0, buflen);
- log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf,
+ log_unit_to_scsi3addr(h, scsi3addr, logvol);
+ rc = sendcmd_withirq(h, CISS_INQUIRY, buf,
PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD);
if (rc == IO_OK)
memcpy(serial_no, &buf[8], buflen);
@@ -1900,10 +1942,9 @@ init_queue_failure:
* is also the controller node. Any changes to disk 0 will show up on
* the next reboot.
*/
-static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
- int via_ioctl)
+static void cciss_update_drive_info(ctlr_info_t *h, int drv_index,
+ int first_time, int via_ioctl)
{
- ctlr_info_t *h = hba[ctlr];
struct gendisk *disk;
InquiryData_struct *inq_buff = NULL;
unsigned int block_size;
@@ -1920,16 +1961,16 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
/* testing to see if 16-byte CDBs are already being used */
if (h->cciss_read == CCISS_READ_16) {
- cciss_read_capacity_16(h->ctlr, drv_index,
+ cciss_read_capacity_16(h, drv_index,
&total_size, &block_size);
} else {
- cciss_read_capacity(ctlr, drv_index, &total_size, &block_size);
+ cciss_read_capacity(h, drv_index, &total_size, &block_size);
/* if read_capacity returns all F's this volume is >2TB */
/* in size so we switch to 16-byte CDB's for all */
/* read/write ops */
if (total_size == 0xFFFFFFFFULL) {
- cciss_read_capacity_16(ctlr, drv_index,
+ cciss_read_capacity_16(h, drv_index,
&total_size, &block_size);
h->cciss_read = CCISS_READ_16;
h->cciss_write = CCISS_WRITE_16;
@@ -1939,14 +1980,14 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
}
}
- cciss_geometry_inquiry(ctlr, drv_index, total_size, block_size,
+ cciss_geometry_inquiry(h, drv_index, total_size, block_size,
inq_buff, drvinfo);
drvinfo->block_size = block_size;
drvinfo->nr_blocks = total_size + 1;
- cciss_get_device_descr(ctlr, drv_index, drvinfo->vendor,
+ cciss_get_device_descr(h, drv_index, drvinfo->vendor,
drvinfo->model, drvinfo->rev);
- cciss_get_serial_no(ctlr, drv_index, drvinfo->serial_no,
+ cciss_get_serial_no(h, drv_index, drvinfo->serial_no,
sizeof(drvinfo->serial_no));
/* Save the lunid in case we deregister the disk, below. */
memcpy(drvinfo->LunID, h->drv[drv_index]->LunID,
@@ -1971,10 +2012,10 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
* (unless it's the first disk (for the controller node).
*/
if (h->drv[drv_index]->raid_level != -1 && drv_index != 0) {
- printk(KERN_WARNING "disk %d has changed.\n", drv_index);
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ dev_warn(&h->pdev->dev, "disk %d has changed.\n", drv_index);
+ spin_lock_irqsave(&h->lock, flags);
h->drv[drv_index]->busy_configuring = 1;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
/* deregister_disk sets h->drv[drv_index]->queue = NULL
* which keeps the interrupt handler from starting
@@ -2024,8 +2065,8 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
if (cciss_add_disk(h, disk, drv_index) != 0) {
cciss_free_gendisk(h, drv_index);
cciss_free_drive_info(h, drv_index);
- printk(KERN_WARNING "cciss:%d could not update "
- "disk %d\n", h->ctlr, drv_index);
+ dev_warn(&h->pdev->dev, "could not update disk %d\n",
+ drv_index);
--h->num_luns;
}
}
@@ -2035,7 +2076,7 @@ freeret:
kfree(drvinfo);
return;
mem_msg:
- printk(KERN_ERR "cciss: out of memory\n");
+ dev_err(&h->pdev->dev, "out of memory\n");
goto freeret;
}
@@ -2127,9 +2168,9 @@ static int cciss_add_gendisk(ctlr_info_t *h, unsigned char lunid[],
h->gendisk[drv_index] =
alloc_disk(1 << NWD_SHIFT);
if (!h->gendisk[drv_index]) {
- printk(KERN_ERR "cciss%d: could not "
- "allocate a new disk %d\n",
- h->ctlr, drv_index);
+ dev_err(&h->pdev->dev,
+ "could not allocate a new disk %d\n",
+ drv_index);
goto err_free_drive_info;
}
}
@@ -2180,8 +2221,7 @@ static void cciss_add_controller_node(ctlr_info_t *h)
cciss_free_gendisk(h, drv_index);
cciss_free_drive_info(h, drv_index);
error:
- printk(KERN_WARNING "cciss%d: could not "
- "add disk 0.\n", h->ctlr);
+ dev_warn(&h->pdev->dev, "could not add disk 0.\n");
return;
}
@@ -2196,7 +2236,6 @@ error:
static int rebuild_lun_table(ctlr_info_t *h, int first_time,
int via_ioctl)
{
- int ctlr = h->ctlr;
int num_luns;
ReportLunData_struct *ld_buff = NULL;
int return_code;
@@ -2211,27 +2250,27 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time,
return -EPERM;
/* Set busy_configuring flag for this operation */
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
if (h->busy_configuring) {
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return -EBUSY;
}
h->busy_configuring = 1;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL);
if (ld_buff == NULL)
goto mem_msg;
- return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff,
+ return_code = sendcmd_withirq(h, CISS_REPORT_LOG, ld_buff,
sizeof(ReportLunData_struct),
0, CTLR_LUNID, TYPE_CMD);
if (return_code == IO_OK)
listlength = be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
else { /* reading number of logical volumes failed */
- printk(KERN_WARNING "cciss: report logical volume"
- " command failed\n");
+ dev_warn(&h->pdev->dev,
+ "report logical volume command failed\n");
listlength = 0;
goto freeret;
}
@@ -2239,7 +2278,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time,
num_luns = listlength / 8; /* 8 bytes per entry */
if (num_luns > CISS_MAX_LUN) {
num_luns = CISS_MAX_LUN;
- printk(KERN_WARNING "cciss: more luns configured"
+ dev_warn(&h->pdev->dev, "more luns configured"
" on controller than can be handled by"
" this driver.\n");
}
@@ -2270,9 +2309,9 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time,
}
if (!drv_found) {
/* Deregister it from the OS, it's gone. */
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
h->drv[i]->busy_configuring = 1;
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return_code = deregister_disk(h, i, 1, via_ioctl);
if (h->drv[i] != NULL)
h->drv[i]->busy_configuring = 0;
@@ -2311,8 +2350,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time,
if (drv_index == -1)
goto freeret;
}
- cciss_update_drive_info(ctlr, drv_index, first_time,
- via_ioctl);
+ cciss_update_drive_info(h, drv_index, first_time, via_ioctl);
} /* end for */
freeret:
@@ -2324,7 +2362,7 @@ freeret:
*/
return -1;
mem_msg:
- printk(KERN_ERR "cciss: out of memory\n");
+ dev_err(&h->pdev->dev, "out of memory\n");
h->busy_configuring = 0;
goto freeret;
}
@@ -2444,11 +2482,10 @@ static int deregister_disk(ctlr_info_t *h, int drv_index,
return 0;
}
-static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
+static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
size_t size, __u8 page_code, unsigned char *scsi3addr,
int cmd_type)
{
- ctlr_info_t *h = hba[ctlr];
u64bit buff_dma_handle;
int status = IO_OK;
@@ -2532,8 +2569,7 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
c->Request.Timeout = 0;
break;
default:
- printk(KERN_WARNING
- "cciss%d: Unknown Command 0x%c\n", ctlr, cmd);
+ dev_warn(&h->pdev->dev, "Unknown Command 0x%c\n", cmd);
return IO_ERROR;
}
} else if (cmd_type == TYPE_MSG) {
@@ -2565,13 +2601,12 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
c->Request.CDB[0] = cmd;
break;
default:
- printk(KERN_WARNING
- "cciss%d: unknown message type %d\n", ctlr, cmd);
+ dev_warn(&h->pdev->dev,
+ "unknown message type %d\n", cmd);
return IO_ERROR;
}
} else {
- printk(KERN_WARNING
- "cciss%d: unknown command type %d\n", ctlr, cmd_type);
+ dev_warn(&h->pdev->dev, "unknown command type %d\n", cmd_type);
return IO_ERROR;
}
/* Fill in the scatter gather information */
@@ -2599,15 +2634,14 @@ static int check_target_status(ctlr_info_t *h, CommandList_struct *c)
default:
if (check_for_unit_attention(h, c))
return IO_NEEDS_RETRY;
- printk(KERN_WARNING "cciss%d: cmd 0x%02x "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x "
"check condition, sense key = 0x%02x\n",
- h->ctlr, c->Request.CDB[0],
- c->err_info->SenseInfo[2]);
+ c->Request.CDB[0], c->err_info->SenseInfo[2]);
}
break;
default:
- printk(KERN_WARNING "cciss%d: cmd 0x%02x"
- "scsi status = 0x%02x\n", h->ctlr,
+ dev_warn(&h->pdev->dev, "cmd 0x%02x"
+ "scsi status = 0x%02x\n",
c->Request.CDB[0], c->err_info->ScsiStatus);
break;
}
@@ -2630,43 +2664,42 @@ static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c)
/* expected for inquiry and report lun commands */
break;
case CMD_INVALID:
- printk(KERN_WARNING "cciss: cmd 0x%02x is "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x is "
"reported invalid\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_PROTOCOL_ERR:
- printk(KERN_WARNING "cciss: cmd 0x%02x has "
- "protocol error \n", c->Request.CDB[0]);
+ dev_warn(&h->pdev->dev, "cmd 0x%02x has "
+ "protocol error\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_HARDWARE_ERR:
- printk(KERN_WARNING "cciss: cmd 0x%02x had "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x had "
" hardware error\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_CONNECTION_LOST:
- printk(KERN_WARNING "cciss: cmd 0x%02x had "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x had "
"connection lost\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_ABORTED:
- printk(KERN_WARNING "cciss: cmd 0x%02x was "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x was "
"aborted\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_ABORT_FAILED:
- printk(KERN_WARNING "cciss: cmd 0x%02x reports "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x reports "
"abort failed\n", c->Request.CDB[0]);
return_status = IO_ERROR;
break;
case CMD_UNSOLICITED_ABORT:
- printk(KERN_WARNING
- "cciss%d: unsolicited abort 0x%02x\n", h->ctlr,
+ dev_warn(&h->pdev->dev, "unsolicited abort 0x%02x\n",
c->Request.CDB[0]);
return_status = IO_NEEDS_RETRY;
break;
default:
- printk(KERN_WARNING "cciss: cmd 0x%02x returned "
+ dev_warn(&h->pdev->dev, "cmd 0x%02x returned "
"unknown status %x\n", c->Request.CDB[0],
c->err_info->CommandStatus);
return_status = IO_ERROR;
@@ -2679,17 +2712,11 @@ static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c,
{
DECLARE_COMPLETION_ONSTACK(wait);
u64bit buff_dma_handle;
- unsigned long flags;
int return_status = IO_OK;
resend_cmd2:
c->waiting = &wait;
- /* Put the request on the tail of the queue and send it */
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
- addQ(&h->reqQ, c);
- h->Qdepth++;
- start_io(h);
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ enqueue_cmd_and_start_io(h, c);
wait_for_completion(&wait);
@@ -2700,7 +2727,7 @@ resend_cmd2:
if (return_status == IO_NEEDS_RETRY &&
c->retry_count < MAX_CMD_RETRIES) {
- printk(KERN_WARNING "cciss%d: retrying 0x%02x\n", h->ctlr,
+ dev_warn(&h->pdev->dev, "retrying 0x%02x\n",
c->Request.CDB[0]);
c->retry_count++;
/* erase the old error information */
@@ -2719,27 +2746,26 @@ command_done:
return return_status;
}
-static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
+static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size,
__u8 page_code, unsigned char scsi3addr[],
int cmd_type)
{
- ctlr_info_t *h = hba[ctlr];
CommandList_struct *c;
int return_status;
- c = cmd_alloc(h, 0);
+ c = cmd_special_alloc(h);
if (!c)
return -ENOMEM;
- return_status = fill_cmd(c, cmd, ctlr, buff, size, page_code,
+ return_status = fill_cmd(h, c, cmd, buff, size, page_code,
scsi3addr, cmd_type);
if (return_status == IO_OK)
return_status = sendcmd_withirq_core(h, c, 1);
- cmd_free(h, c, 0);
+ cmd_special_free(h, c);
return return_status;
}
-static void cciss_geometry_inquiry(int ctlr, int logvol,
+static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol,
sector_t total_size,
unsigned int block_size,
InquiryData_struct *inq_buff,
@@ -2750,13 +2776,13 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
unsigned char scsi3addr[8];
memset(inq_buff, 0, sizeof(InquiryData_struct));
- log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buff,
+ log_unit_to_scsi3addr(h, scsi3addr, logvol);
+ return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff,
sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
if (inq_buff->data_byte[8] == 0xFF) {
- printk(KERN_WARNING
- "cciss: reading geometry failed, volume "
+ dev_warn(&h->pdev->dev,
+ "reading geometry failed, volume "
"does not support reading geometry\n");
drv->heads = 255;
drv->sectors = 32; /* Sectors per track */
@@ -2780,12 +2806,12 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
drv->cylinders = real_size;
}
} else { /* Get geometry failed */
- printk(KERN_WARNING "cciss: reading geometry failed\n");
+ dev_warn(&h->pdev->dev, "reading geometry failed\n");
}
}
static void
-cciss_read_capacity(int ctlr, int logvol, sector_t *total_size,
+cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size,
unsigned int *block_size)
{
ReadCapdata_struct *buf;
@@ -2794,25 +2820,25 @@ cciss_read_capacity(int ctlr, int logvol, sector_t *total_size,
buf = kzalloc(sizeof(ReadCapdata_struct), GFP_KERNEL);
if (!buf) {
- printk(KERN_WARNING "cciss: out of memory\n");
+ dev_warn(&h->pdev->dev, "out of memory\n");
return;
}
- log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- return_code = sendcmd_withirq(CCISS_READ_CAPACITY, ctlr, buf,
+ log_unit_to_scsi3addr(h, scsi3addr, logvol);
+ return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY, buf,
sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
*total_size = be32_to_cpu(*(__be32 *) buf->total_size);
*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
} else { /* read capacity command failed */
- printk(KERN_WARNING "cciss: read capacity failed\n");
+ dev_warn(&h->pdev->dev, "read capacity failed\n");
*total_size = 0;
*block_size = BLOCK_SIZE;
}
kfree(buf);
}
-static void cciss_read_capacity_16(int ctlr, int logvol,
+static void cciss_read_capacity_16(ctlr_info_t *h, int logvol,
sector_t *total_size, unsigned int *block_size)
{
ReadCapdata_struct_16 *buf;
@@ -2821,23 +2847,23 @@ static void cciss_read_capacity_16(int ctlr, int logvol,
buf = kzalloc(sizeof(ReadCapdata_struct_16), GFP_KERNEL);
if (!buf) {
- printk(KERN_WARNING "cciss: out of memory\n");
+ dev_warn(&h->pdev->dev, "out of memory\n");
return;
}
- log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- return_code = sendcmd_withirq(CCISS_READ_CAPACITY_16,
- ctlr, buf, sizeof(ReadCapdata_struct_16),
+ log_unit_to_scsi3addr(h, scsi3addr, logvol);
+ return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY_16,
+ buf, sizeof(ReadCapdata_struct_16),
0, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
*total_size = be64_to_cpu(*(__be64 *) buf->total_size);
*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
} else { /* read capacity command failed */
- printk(KERN_WARNING "cciss: read capacity failed\n");
+ dev_warn(&h->pdev->dev, "read capacity failed\n");
*total_size = 0;
*block_size = BLOCK_SIZE;
}
- printk(KERN_INFO " blocks= %llu block_size= %d\n",
+ dev_info(&h->pdev->dev, " blocks= %llu block_size= %d\n",
(unsigned long long)*total_size+1, *block_size);
kfree(buf);
}
@@ -2865,17 +2891,17 @@ static int cciss_revalidate(struct gendisk *disk)
inq_buff = kmalloc(sizeof(InquiryData_struct), GFP_KERNEL);
if (inq_buff == NULL) {
- printk(KERN_WARNING "cciss: out of memory\n");
+ dev_warn(&h->pdev->dev, "out of memory\n");
return 1;
}
if (h->cciss_read == CCISS_READ_10) {
- cciss_read_capacity(h->ctlr, logvol,
+ cciss_read_capacity(h, logvol,
&total_size, &block_size);
} else {
- cciss_read_capacity_16(h->ctlr, logvol,
+ cciss_read_capacity_16(h, logvol,
&total_size, &block_size);
}
- cciss_geometry_inquiry(h->ctlr, logvol, total_size, block_size,
+ cciss_geometry_inquiry(h, logvol, total_size, block_size,
inq_buff, drv);
blk_queue_logical_block_size(drv->queue, drv->block_size);
@@ -2909,7 +2935,7 @@ static void start_io(ctlr_info_t *h)
c = hlist_entry(h->reqQ.first, CommandList_struct, list);
/* can't do anything if fifo is full */
if ((h->access.fifo_full(h))) {
- printk(KERN_WARNING "cciss: fifo full\n");
+ dev_warn(&h->pdev->dev, "fifo full\n");
break;
}
@@ -2925,7 +2951,7 @@ static void start_io(ctlr_info_t *h)
}
}
-/* Assumes that CCISS_LOCK(h->ctlr) is held. */
+/* Assumes that h->lock is held. */
/* Zeros out the error record and then resends the command back */
/* to the controller */
static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c)
@@ -2966,7 +2992,7 @@ static inline int evaluate_target_status(ctlr_info_t *h,
driver_byte = DRIVER_OK;
msg_byte = cmd->err_info->CommandStatus; /* correct? seems too device specific */
- if (blk_pc_request(cmd->rq))
+ if (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC)
host_byte = DID_PASSTHROUGH;
else
host_byte = DID_OK;
@@ -2975,8 +3001,8 @@ static inline int evaluate_target_status(ctlr_info_t *h,
host_byte, driver_byte);
if (cmd->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) {
- if (!blk_pc_request(cmd->rq))
- printk(KERN_WARNING "cciss: cmd %p "
+ if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC)
+ dev_warn(&h->pdev->dev, "cmd %p "
"has SCSI Status 0x%x\n",
cmd, cmd->err_info->ScsiStatus);
return error_value;
@@ -2985,17 +3011,19 @@ static inline int evaluate_target_status(ctlr_info_t *h,
/* check the sense key */
sense_key = 0xf & cmd->err_info->SenseInfo[2];
/* no status or recovered error */
- if (((sense_key == 0x0) || (sense_key == 0x1)) && !blk_pc_request(cmd->rq))
+ if (((sense_key == 0x0) || (sense_key == 0x1)) &&
+ (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC))
error_value = 0;
if (check_for_unit_attention(h, cmd)) {
- *retry_cmd = !blk_pc_request(cmd->rq);
+ *retry_cmd = !(cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC);
return 0;
}
- if (!blk_pc_request(cmd->rq)) { /* Not SG_IO or similar? */
+ /* Not SG_IO or similar? */
+ if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC) {
if (error_value != 0)
- printk(KERN_WARNING "cciss: cmd %p has CHECK CONDITION"
+ dev_warn(&h->pdev->dev, "cmd %p has CHECK CONDITION"
" sense key = 0x%x\n", cmd, sense_key);
return error_value;
}
@@ -3035,90 +3063,97 @@ static inline void complete_command(ctlr_info_t *h, CommandList_struct *cmd,
rq->errors = evaluate_target_status(h, cmd, &retry_cmd);
break;
case CMD_DATA_UNDERRUN:
- if (blk_fs_request(cmd->rq)) {
- printk(KERN_WARNING "cciss: cmd %p has"
+ if (cmd->rq->cmd_type == REQ_TYPE_FS) {
+ dev_warn(&h->pdev->dev, "cmd %p has"
" completed with data underrun "
"reported\n", cmd);
cmd->rq->resid_len = cmd->err_info->ResidualCnt;
}
break;
case CMD_DATA_OVERRUN:
- if (blk_fs_request(cmd->rq))
- printk(KERN_WARNING "cciss: cmd %p has"
+ if (cmd->rq->cmd_type == REQ_TYPE_FS)
+ dev_warn(&h->pdev->dev, "cciss: cmd %p has"
" completed with data overrun "
"reported\n", cmd);
break;
case CMD_INVALID:
- printk(KERN_WARNING "cciss: cmd %p is "
+ dev_warn(&h->pdev->dev, "cciss: cmd %p is "
"reported invalid\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_PROTOCOL_ERR:
- printk(KERN_WARNING "cciss: cmd %p has "
- "protocol error \n", cmd);
+ dev_warn(&h->pdev->dev, "cciss: cmd %p has "
+ "protocol error\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_HARDWARE_ERR:
- printk(KERN_WARNING "cciss: cmd %p had "
+ dev_warn(&h->pdev->dev, "cciss: cmd %p had "
" hardware error\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_CONNECTION_LOST:
- printk(KERN_WARNING "cciss: cmd %p had "
+ dev_warn(&h->pdev->dev, "cciss: cmd %p had "
"connection lost\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_ABORTED:
- printk(KERN_WARNING "cciss: cmd %p was "
+ dev_warn(&h->pdev->dev, "cciss: cmd %p was "
"aborted\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ABORT);
break;
case CMD_ABORT_FAILED:
- printk(KERN_WARNING "cciss: cmd %p reports "
+ dev_warn(&h->pdev->dev, "cciss: cmd %p reports "
"abort failed\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_UNSOLICITED_ABORT:
- printk(KERN_WARNING "cciss%d: unsolicited "
+ dev_warn(&h->pdev->dev, "cciss%d: unsolicited "
"abort %p\n", h->ctlr, cmd);
if (cmd->retry_count < MAX_CMD_RETRIES) {
retry_cmd = 1;
- printk(KERN_WARNING
- "cciss%d: retrying %p\n", h->ctlr, cmd);
+ dev_warn(&h->pdev->dev, "retrying %p\n", cmd);
cmd->retry_count++;
} else
- printk(KERN_WARNING
- "cciss%d: %p retried too "
- "many times\n", h->ctlr, cmd);
+ dev_warn(&h->pdev->dev,
+ "%p retried too many times\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ABORT);
break;
case CMD_TIMEOUT:
- printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd);
+ dev_warn(&h->pdev->dev, "cmd %p timedout\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
default:
- printk(KERN_WARNING "cciss: cmd %p returned "
+ dev_warn(&h->pdev->dev, "cmd %p returned "
"unknown status %x\n", cmd,
cmd->err_info->CommandStatus);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
}
after_error_processing:
@@ -3132,6 +3167,34 @@ after_error_processing:
blk_complete_request(cmd->rq);
}
+static inline u32 cciss_tag_contains_index(u32 tag)
+{
+#define DIRECT_LOOKUP_BIT 0x10
+ return tag & DIRECT_LOOKUP_BIT;
+}
+
+static inline u32 cciss_tag_to_index(u32 tag)
+{
+#define DIRECT_LOOKUP_SHIFT 5
+ return tag >> DIRECT_LOOKUP_SHIFT;
+}
+
+static inline u32 cciss_tag_discard_error_bits(u32 tag)
+{
+#define CCISS_ERROR_BITS 0x03
+ return tag & ~CCISS_ERROR_BITS;
+}
+
+static inline void cciss_mark_tag_indexed(u32 *tag)
+{
+ *tag |= DIRECT_LOOKUP_BIT;
+}
+
+static inline void cciss_set_tag_index(u32 *tag, u32 index)
+{
+ *tag |= (index << DIRECT_LOOKUP_SHIFT);
+}
+
/*
* Get a request and submit it to the controller.
*/
@@ -3163,7 +3226,8 @@ static void do_cciss_request(struct request_queue *q)
BUG_ON(creq->nr_phys_segments > h->maxsgentries);
- if ((c = cmd_alloc(h, 1)) == NULL)
+ c = cmd_alloc(h);
+ if (!c)
goto full;
blk_start_request(creq);
@@ -3180,8 +3244,8 @@ static void do_cciss_request(struct request_queue *q)
/* got command from pool, so use the command block index instead */
/* for direct lookups. */
/* The first 2 bits are reserved for controller error reporting. */
- c->Header.Tag.lower = (c->cmdindex << 3);
- c->Header.Tag.lower |= 0x04; /* flag for direct lookup. */
+ cciss_set_tag_index(&c->Header.Tag.lower, c->cmdindex);
+ cciss_mark_tag_indexed(&c->Header.Tag.lower);
memcpy(&c->Header.LUN, drv->LunID, sizeof(drv->LunID));
c->Request.CDBLen = 10; /* 12 byte commands not in FW yet; */
c->Request.Type.Type = TYPE_CMD; /* It is a command. */
@@ -3192,11 +3256,8 @@ static void do_cciss_request(struct request_queue *q)
c->Request.CDB[0] =
(rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
start_blk = blk_rq_pos(creq);
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n",
+ dev_dbg(&h->pdev->dev, "sector =%d nr_sectors=%d\n",
(int)blk_rq_pos(creq), (int)blk_rq_sectors(creq));
-#endif /* CCISS_DEBUG */
-
sg_init_table(tmp_sg, h->maxsgentries);
seg = blk_rq_map_sg(q, creq, tmp_sg);
@@ -3236,17 +3297,18 @@ static void do_cciss_request(struct request_queue *q)
if (seg > h->maxSG)
h->maxSG = seg;
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "cciss: Submitting %ld sectors in %d segments "
+ dev_dbg(&h->pdev->dev, "Submitting %u sectors in %d segments "
"chained[%d]\n",
blk_rq_sectors(creq), seg, chained);
-#endif /* CCISS_DEBUG */
- c->Header.SGList = c->Header.SGTotal = seg + chained;
- if (seg > h->max_cmd_sgentries)
+ c->Header.SGTotal = seg + chained;
+ if (seg <= h->max_cmd_sgentries)
+ c->Header.SGList = c->Header.SGTotal;
+ else
c->Header.SGList = h->max_cmd_sgentries;
+ set_performant_mode(h, c);
- if (likely(blk_fs_request(creq))) {
+ if (likely(creq->cmd_type == REQ_TYPE_FS)) {
if(h->cciss_read == CCISS_READ_10) {
c->Request.CDB[1] = 0;
c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */
@@ -3276,11 +3338,12 @@ static void do_cciss_request(struct request_queue *q)
c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff;
c->Request.CDB[14] = c->Request.CDB[15] = 0;
}
- } else if (blk_pc_request(creq)) {
+ } else if (creq->cmd_type == REQ_TYPE_BLOCK_PC) {
c->Request.CDBLen = creq->cmd_len;
memcpy(c->Request.CDB, creq->cmd, BLK_MAX_CDB);
} else {
- printk(KERN_WARNING "cciss%d: bad request type %d\n", h->ctlr, creq->cmd_type);
+ dev_warn(&h->pdev->dev, "bad request type %d\n",
+ creq->cmd_type);
BUG();
}
@@ -3313,72 +3376,131 @@ static inline int interrupt_pending(ctlr_info_t *h)
static inline long interrupt_not_for_us(ctlr_info_t *h)
{
- return (((h->access.intr_pending(h) == 0) ||
- (h->interrupts_enabled == 0)));
+ return ((h->access.intr_pending(h) == 0) ||
+ (h->interrupts_enabled == 0));
}
-static irqreturn_t do_cciss_intr(int irq, void *dev_id)
+static inline int bad_tag(ctlr_info_t *h, u32 tag_index,
+ u32 raw_tag)
{
- ctlr_info_t *h = dev_id;
+ if (unlikely(tag_index >= h->nr_cmds)) {
+ dev_warn(&h->pdev->dev, "bad tag 0x%08x ignored.\n", raw_tag);
+ return 1;
+ }
+ return 0;
+}
+
+static inline void finish_cmd(ctlr_info_t *h, CommandList_struct *c,
+ u32 raw_tag)
+{
+ removeQ(c);
+ if (likely(c->cmd_type == CMD_RWREQ))
+ complete_command(h, c, 0);
+ else if (c->cmd_type == CMD_IOCTL_PEND)
+ complete(c->waiting);
+#ifdef CONFIG_CISS_SCSI_TAPE
+ else if (c->cmd_type == CMD_SCSI)
+ complete_scsi_command(c, 0, raw_tag);
+#endif
+}
+
+static inline u32 next_command(ctlr_info_t *h)
+{
+ u32 a;
+
+ if (unlikely(h->transMethod != CFGTBL_Trans_Performant))
+ return h->access.command_completed(h);
+
+ if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
+ a = *(h->reply_pool_head); /* Next cmd in ring buffer */
+ (h->reply_pool_head)++;
+ h->commands_outstanding--;
+ } else {
+ a = FIFO_EMPTY;
+ }
+ /* Check for wraparound */
+ if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
+ h->reply_pool_head = h->reply_pool;
+ h->reply_pool_wraparound ^= 1;
+ }
+ return a;
+}
+
+/* process completion of an indexed ("direct lookup") command */
+static inline u32 process_indexed_cmd(ctlr_info_t *h, u32 raw_tag)
+{
+ u32 tag_index;
CommandList_struct *c;
+
+ tag_index = cciss_tag_to_index(raw_tag);
+ if (bad_tag(h, tag_index, raw_tag))
+ return next_command(h);
+ c = h->cmd_pool + tag_index;
+ finish_cmd(h, c, raw_tag);
+ return next_command(h);
+}
+
+/* process completion of a non-indexed command */
+static inline u32 process_nonindexed_cmd(ctlr_info_t *h, u32 raw_tag)
+{
+ u32 tag;
+ CommandList_struct *c = NULL;
+ struct hlist_node *tmp;
+ __u32 busaddr_masked, tag_masked;
+
+ tag = cciss_tag_discard_error_bits(raw_tag);
+ hlist_for_each_entry(c, tmp, &h->cmpQ, list) {
+ busaddr_masked = cciss_tag_discard_error_bits(c->busaddr);
+ tag_masked = cciss_tag_discard_error_bits(tag);
+ if (busaddr_masked == tag_masked) {
+ finish_cmd(h, c, raw_tag);
+ return next_command(h);
+ }
+ }
+ bad_tag(h, h->nr_cmds + 1, raw_tag);
+ return next_command(h);
+}
+
+static irqreturn_t do_cciss_intx(int irq, void *dev_id)
+{
+ ctlr_info_t *h = dev_id;
unsigned long flags;
- __u32 a, a1, a2;
+ u32 raw_tag;
if (interrupt_not_for_us(h))
return IRQ_NONE;
- /*
- * If there are completed commands in the completion queue,
- * we had better do something about it.
- */
- spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
while (interrupt_pending(h)) {
- while ((a = get_next_completion(h)) != FIFO_EMPTY) {
- a1 = a;
- if ((a & 0x04)) {
- a2 = (a >> 3);
- if (a2 >= h->nr_cmds) {
- printk(KERN_WARNING
- "cciss: controller cciss%d failed, stopping.\n",
- h->ctlr);
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
- fail_all_cmds(h->ctlr);
- return IRQ_HANDLED;
- }
-
- c = h->cmd_pool + a2;
- a = c->busaddr;
-
- } else {
- struct hlist_node *tmp;
-
- a &= ~3;
- c = NULL;
- hlist_for_each_entry(c, tmp, &h->cmpQ, list) {
- if (c->busaddr == a)
- break;
- }
- }
- /*
- * If we've found the command, take it off the
- * completion Q and free it
- */
- if (c && c->busaddr == a) {
- removeQ(c);
- if (c->cmd_type == CMD_RWREQ) {
- complete_command(h, c, 0);
- } else if (c->cmd_type == CMD_IOCTL_PEND) {
- complete(c->waiting);
- }
-# ifdef CONFIG_CISS_SCSI_TAPE
- else if (c->cmd_type == CMD_SCSI)
- complete_scsi_command(c, 0, a1);
-# endif
- continue;
- }
+ raw_tag = get_next_completion(h);
+ while (raw_tag != FIFO_EMPTY) {
+ if (cciss_tag_contains_index(raw_tag))
+ raw_tag = process_indexed_cmd(h, raw_tag);
+ else
+ raw_tag = process_nonindexed_cmd(h, raw_tag);
}
}
+ spin_unlock_irqrestore(&h->lock, flags);
+ return IRQ_HANDLED;
+}
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+/* Add a second interrupt handler for MSI/MSI-X mode. In this mode we never
+ * check the interrupt pending register because it is not set.
+ */
+static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id)
+{
+ ctlr_info_t *h = dev_id;
+ unsigned long flags;
+ u32 raw_tag;
+
+ spin_lock_irqsave(&h->lock, flags);
+ raw_tag = get_next_completion(h);
+ while (raw_tag != FIFO_EMPTY) {
+ if (cciss_tag_contains_index(raw_tag))
+ raw_tag = process_indexed_cmd(h, raw_tag);
+ else
+ raw_tag = process_nonindexed_cmd(h, raw_tag);
+ }
+ spin_unlock_irqrestore(&h->lock, flags);
return IRQ_HANDLED;
}
@@ -3510,18 +3632,17 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c)
switch (c->err_info->SenseInfo[12]) {
case STATE_CHANGED:
- printk(KERN_WARNING "cciss%d: a state change "
- "detected, command retried\n", h->ctlr);
+ dev_warn(&h->pdev->dev, "a state change "
+ "detected, command retried\n");
return 1;
break;
case LUN_FAILED:
- printk(KERN_WARNING "cciss%d: LUN failure "
- "detected, action required\n", h->ctlr);
+ dev_warn(&h->pdev->dev, "LUN failure "
+ "detected, action required\n");
return 1;
break;
case REPORT_LUNS_CHANGED:
- printk(KERN_WARNING "cciss%d: report LUN data "
- "changed\n", h->ctlr);
+ dev_warn(&h->pdev->dev, "report LUN data changed\n");
/*
* Here, we could call add_to_scan_list and wake up the scan thread,
* except that it's quite likely that we will get more than one
@@ -3541,19 +3662,18 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c)
return 1;
break;
case POWER_OR_RESET:
- printk(KERN_WARNING "cciss%d: a power on "
- "or device reset detected\n", h->ctlr);
+ dev_warn(&h->pdev->dev,
+ "a power on or device reset detected\n");
return 1;
break;
case UNIT_ATTENTION_CLEARED:
- printk(KERN_WARNING "cciss%d: unit attention "
- "cleared by another initiator\n", h->ctlr);
+ dev_warn(&h->pdev->dev,
+ "unit attention cleared by another initiator\n");
return 1;
break;
default:
- printk(KERN_WARNING "cciss%d: unknown "
- "unit attention detected\n", h->ctlr);
- return 1;
+ dev_warn(&h->pdev->dev, "unknown unit attention detected\n");
+ return 1;
}
}
@@ -3562,39 +3682,41 @@ static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c)
* the io functions.
* This is for debug only.
*/
-#ifdef CCISS_DEBUG
-static void print_cfg_table(CfgTable_struct *tb)
+static void print_cfg_table(ctlr_info_t *h)
{
int i;
char temp_name[17];
+ CfgTable_struct *tb = h->cfgtable;
- printk("Controller Configuration information\n");
- printk("------------------------------------\n");
+ dev_dbg(&h->pdev->dev, "Controller Configuration information\n");
+ dev_dbg(&h->pdev->dev, "------------------------------------\n");
for (i = 0; i < 4; i++)
temp_name[i] = readb(&(tb->Signature[i]));
temp_name[4] = '\0';
- printk(" Signature = %s\n", temp_name);
- printk(" Spec Number = %d\n", readl(&(tb->SpecValence)));
- printk(" Transport methods supported = 0x%x\n",
+ dev_dbg(&h->pdev->dev, " Signature = %s\n", temp_name);
+ dev_dbg(&h->pdev->dev, " Spec Number = %d\n",
+ readl(&(tb->SpecValence)));
+ dev_dbg(&h->pdev->dev, " Transport methods supported = 0x%x\n",
readl(&(tb->TransportSupport)));
- printk(" Transport methods active = 0x%x\n",
+ dev_dbg(&h->pdev->dev, " Transport methods active = 0x%x\n",
readl(&(tb->TransportActive)));
- printk(" Requested transport Method = 0x%x\n",
+ dev_dbg(&h->pdev->dev, " Requested transport Method = 0x%x\n",
readl(&(tb->HostWrite.TransportRequest)));
- printk(" Coalesce Interrupt Delay = 0x%x\n",
+ dev_dbg(&h->pdev->dev, " Coalesce Interrupt Delay = 0x%x\n",
readl(&(tb->HostWrite.CoalIntDelay)));
- printk(" Coalesce Interrupt Count = 0x%x\n",
+ dev_dbg(&h->pdev->dev, " Coalesce Interrupt Count = 0x%x\n",
readl(&(tb->HostWrite.CoalIntCount)));
- printk(" Max outstanding commands = 0x%d\n",
+ dev_dbg(&h->pdev->dev, " Max outstanding commands = 0x%d\n",
readl(&(tb->CmdsOutMax)));
- printk(" Bus Types = 0x%x\n", readl(&(tb->BusTypes)));
+ dev_dbg(&h->pdev->dev, " Bus Types = 0x%x\n",
+ readl(&(tb->BusTypes)));
for (i = 0; i < 16; i++)
temp_name[i] = readb(&(tb->ServerName[i]));
temp_name[16] = '\0';
- printk(" Server Name = %s\n", temp_name);
- printk(" Heartbeat Counter = 0x%x\n\n\n", readl(&(tb->HeartBeat)));
+ dev_dbg(&h->pdev->dev, " Server Name = %s\n", temp_name);
+ dev_dbg(&h->pdev->dev, " Heartbeat Counter = 0x%x\n\n\n",
+ readl(&(tb->HeartBeat)));
}
-#endif /* CCISS_DEBUG */
static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr)
{
@@ -3618,7 +3740,7 @@ static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr)
offset += 8;
break;
default: /* reserved in PCI 2.2 */
- printk(KERN_WARNING
+ dev_warn(&pdev->dev,
"Base address is invalid\n");
return -1;
break;
@@ -3630,12 +3752,182 @@ static int find_PCI_BAR_index(struct pci_dev *pdev, unsigned long pci_bar_addr)
return -1;
}
+/* Fill in bucket_map[], given nsgs (the max number of
+ * scatter gather elements supported) and bucket[],
+ * which is an array of 8 integers. The bucket[] array
+ * contains 8 different DMA transfer sizes (in 16
+ * byte increments) which the controller uses to fetch
+ * commands. This function fills in bucket_map[], which
+ * maps a given number of scatter gather elements to one of
+ * the 8 DMA transfer sizes. The point of it is to allow the
+ * controller to only do as much DMA as needed to fetch the
+ * command, with the DMA transfer size encoded in the lower
+ * bits of the command address.
+ */
+static void calc_bucket_map(int bucket[], int num_buckets,
+ int nsgs, int *bucket_map)
+{
+ int i, j, b, size;
+
+ /* even a command with 0 SGs requires 4 blocks */
+#define MINIMUM_TRANSFER_BLOCKS 4
+#define NUM_BUCKETS 8
+ /* Note, bucket_map must have nsgs+1 entries. */
+ for (i = 0; i <= nsgs; i++) {
+ /* Compute size of a command with i SG entries */
+ size = i + MINIMUM_TRANSFER_BLOCKS;
+ b = num_buckets; /* Assume the biggest bucket */
+ /* Find the bucket that is just big enough */
+ for (j = 0; j < 8; j++) {
+ if (bucket[j] >= size) {
+ b = j;
+ break;
+ }
+ }
+ /* for a command with i SG entries, use bucket b. */
+ bucket_map[i] = b;
+ }
+}
+
+static void __devinit cciss_wait_for_mode_change_ack(ctlr_info_t *h)
+{
+ int i;
+
+ /* under certain very rare conditions, this can take awhile.
+ * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right
+ * as we enter this code.) */
+ for (i = 0; i < MAX_CONFIG_WAIT; i++) {
+ if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
+ break;
+ msleep(10);
+ }
+}
+
+static __devinit void cciss_enter_performant_mode(ctlr_info_t *h)
+{
+ /* This is a bit complicated. There are 8 registers on
+ * the controller which we write to to tell it 8 different
+ * sizes of commands which there may be. It's a way of
+ * reducing the DMA done to fetch each command. Encoded into
+ * each command's tag are 3 bits which communicate to the controller
+ * which of the eight sizes that command fits within. The size of
+ * each command depends on how many scatter gather entries there are.
+ * Each SG entry requires 16 bytes. The eight registers are programmed
+ * with the number of 16-byte blocks a command of that size requires.
+ * The smallest command possible requires 5 such 16 byte blocks.
+ * the largest command possible requires MAXSGENTRIES + 4 16-byte
+ * blocks. Note, this only extends to the SG entries contained
+ * within the command block, and does not extend to chained blocks
+ * of SG elements. bft[] contains the eight values we write to
+ * the registers. They are not evenly distributed, but have more
+ * sizes for small commands, and fewer sizes for larger commands.
+ */
+ __u32 trans_offset;
+ int bft[8] = { 5, 6, 8, 10, 12, 20, 28, MAXSGENTRIES + 4};
+ /*
+ * 5 = 1 s/g entry or 4k
+ * 6 = 2 s/g entry or 8k
+ * 8 = 4 s/g entry or 16k
+ * 10 = 6 s/g entry or 24k
+ */
+ unsigned long register_value;
+ BUILD_BUG_ON(28 > MAXSGENTRIES + 4);
+
+ h->reply_pool_wraparound = 1; /* spec: init to 1 */
+
+ /* Controller spec: zero out this buffer. */
+ memset(h->reply_pool, 0, h->max_commands * sizeof(__u64));
+ h->reply_pool_head = h->reply_pool;
+
+ trans_offset = readl(&(h->cfgtable->TransMethodOffset));
+ calc_bucket_map(bft, ARRAY_SIZE(bft), h->maxsgentries,
+ h->blockFetchTable);
+ writel(bft[0], &h->transtable->BlockFetch0);
+ writel(bft[1], &h->transtable->BlockFetch1);
+ writel(bft[2], &h->transtable->BlockFetch2);
+ writel(bft[3], &h->transtable->BlockFetch3);
+ writel(bft[4], &h->transtable->BlockFetch4);
+ writel(bft[5], &h->transtable->BlockFetch5);
+ writel(bft[6], &h->transtable->BlockFetch6);
+ writel(bft[7], &h->transtable->BlockFetch7);
+
+ /* size of controller ring buffer */
+ writel(h->max_commands, &h->transtable->RepQSize);
+ writel(1, &h->transtable->RepQCount);
+ writel(0, &h->transtable->RepQCtrAddrLow32);
+ writel(0, &h->transtable->RepQCtrAddrHigh32);
+ writel(h->reply_pool_dhandle, &h->transtable->RepQAddr0Low32);
+ writel(0, &h->transtable->RepQAddr0High32);
+ writel(CFGTBL_Trans_Performant,
+ &(h->cfgtable->HostWrite.TransportRequest));
+
+ writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL);
+ cciss_wait_for_mode_change_ack(h);
+ register_value = readl(&(h->cfgtable->TransportActive));
+ if (!(register_value & CFGTBL_Trans_Performant))
+ dev_warn(&h->pdev->dev, "cciss: unable to get board into"
+ " performant mode\n");
+}
+
+static void __devinit cciss_put_controller_into_performant_mode(ctlr_info_t *h)
+{
+ __u32 trans_support;
+
+ dev_dbg(&h->pdev->dev, "Trying to put board into Performant mode\n");
+ /* Attempt to put controller into performant mode if supported */
+ /* Does board support performant mode? */
+ trans_support = readl(&(h->cfgtable->TransportSupport));
+ if (!(trans_support & PERFORMANT_MODE))
+ return;
+
+ dev_dbg(&h->pdev->dev, "Placing controller into performant mode\n");
+ /* Performant mode demands commands on a 32 byte boundary
+ * pci_alloc_consistent aligns on page boundarys already.
+ * Just need to check if divisible by 32
+ */
+ if ((sizeof(CommandList_struct) % 32) != 0) {
+ dev_warn(&h->pdev->dev, "%s %d %s\n",
+ "cciss info: command size[",
+ (int)sizeof(CommandList_struct),
+ "] not divisible by 32, no performant mode..\n");
+ return;
+ }
+
+ /* Performant mode ring buffer and supporting data structures */
+ h->reply_pool = (__u64 *)pci_alloc_consistent(
+ h->pdev, h->max_commands * sizeof(__u64),
+ &(h->reply_pool_dhandle));
+
+ /* Need a block fetch table for performant mode */
+ h->blockFetchTable = kmalloc(((h->maxsgentries+1) *
+ sizeof(__u32)), GFP_KERNEL);
+
+ if ((h->reply_pool == NULL) || (h->blockFetchTable == NULL))
+ goto clean_up;
+
+ cciss_enter_performant_mode(h);
+
+ /* Change the access methods to the performant access methods */
+ h->access = SA5_performant_access;
+ h->transMethod = CFGTBL_Trans_Performant;
+
+ return;
+clean_up:
+ kfree(h->blockFetchTable);
+ if (h->reply_pool)
+ pci_free_consistent(h->pdev,
+ h->max_commands * sizeof(__u64),
+ h->reply_pool,
+ h->reply_pool_dhandle);
+ return;
+
+} /* cciss_put_controller_into_performant_mode */
+
/* If MSI/MSI-X is supported by the kernel we will try to enable it on
* controllers that are capable. If not, we use IO-APIC mode.
*/
-static void __devinit cciss_interrupt_mode(ctlr_info_t *c,
- struct pci_dev *pdev, __u32 board_id)
+static void __devinit cciss_interrupt_mode(ctlr_info_t *h)
{
#ifdef CONFIG_PCI_MSI
int err;
@@ -3644,268 +3936,283 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c,
};
/* Some boards advertise MSI but don't really support it */
- if ((board_id == 0x40700E11) ||
- (board_id == 0x40800E11) ||
- (board_id == 0x40820E11) || (board_id == 0x40830E11))
+ if ((h->board_id == 0x40700E11) || (h->board_id == 0x40800E11) ||
+ (h->board_id == 0x40820E11) || (h->board_id == 0x40830E11))
goto default_int_mode;
- if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) {
- err = pci_enable_msix(pdev, cciss_msix_entries, 4);
+ if (pci_find_capability(h->pdev, PCI_CAP_ID_MSIX)) {
+ err = pci_enable_msix(h->pdev, cciss_msix_entries, 4);
if (!err) {
- c->intr[0] = cciss_msix_entries[0].vector;
- c->intr[1] = cciss_msix_entries[1].vector;
- c->intr[2] = cciss_msix_entries[2].vector;
- c->intr[3] = cciss_msix_entries[3].vector;
- c->msix_vector = 1;
+ h->intr[0] = cciss_msix_entries[0].vector;
+ h->intr[1] = cciss_msix_entries[1].vector;
+ h->intr[2] = cciss_msix_entries[2].vector;
+ h->intr[3] = cciss_msix_entries[3].vector;
+ h->msix_vector = 1;
return;
}
if (err > 0) {
- printk(KERN_WARNING "cciss: only %d MSI-X vectors "
- "available\n", err);
+ dev_warn(&h->pdev->dev,
+ "only %d MSI-X vectors available\n", err);
goto default_int_mode;
} else {
- printk(KERN_WARNING "cciss: MSI-X init failed %d\n",
- err);
+ dev_warn(&h->pdev->dev,
+ "MSI-X init failed %d\n", err);
goto default_int_mode;
}
}
- if (pci_find_capability(pdev, PCI_CAP_ID_MSI)) {
- if (!pci_enable_msi(pdev)) {
- c->msi_vector = 1;
- } else {
- printk(KERN_WARNING "cciss: MSI init failed\n");
- }
+ if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) {
+ if (!pci_enable_msi(h->pdev))
+ h->msi_vector = 1;
+ else
+ dev_warn(&h->pdev->dev, "MSI init failed\n");
}
default_int_mode:
#endif /* CONFIG_PCI_MSI */
/* if we get here we're going to use the default interrupt mode */
- c->intr[SIMPLE_MODE_INT] = pdev->irq;
+ h->intr[PERF_MODE_INT] = h->pdev->irq;
return;
}
-static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
+static int __devinit cciss_lookup_board_id(struct pci_dev *pdev, u32 *board_id)
{
- ushort subsystem_vendor_id, subsystem_device_id, command;
- __u32 board_id, scratchpad = 0;
- __u64 cfg_offset;
- __u32 cfg_base_addr;
- __u64 cfg_base_addr_index;
- int i, prod_index, err;
+ int i;
+ u32 subsystem_vendor_id, subsystem_device_id;
subsystem_vendor_id = pdev->subsystem_vendor;
subsystem_device_id = pdev->subsystem_device;
- board_id = (((__u32) (subsystem_device_id << 16) & 0xffff0000) |
- subsystem_vendor_id);
+ *board_id = ((subsystem_device_id << 16) & 0xffff0000) |
+ subsystem_vendor_id;
for (i = 0; i < ARRAY_SIZE(products); i++) {
/* Stand aside for hpsa driver on request */
if (cciss_allow_hpsa && products[i].board_id == HPSA_BOUNDARY)
return -ENODEV;
- if (board_id == products[i].board_id)
- break;
- }
- prod_index = i;
- if (prod_index == ARRAY_SIZE(products)) {
- dev_warn(&pdev->dev,
- "unrecognized board ID: 0x%08lx, ignoring.\n",
- (unsigned long) board_id);
- return -ENODEV;
+ if (*board_id == products[i].board_id)
+ return i;
}
+ dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n",
+ *board_id);
+ return -ENODEV;
+}
- /* check to see if controller has been disabled */
- /* BEFORE trying to enable it */
- (void)pci_read_config_word(pdev, PCI_COMMAND, &command);
- if (!(command & 0x02)) {
- printk(KERN_WARNING
- "cciss: controller appears to be disabled\n");
- return -ENODEV;
- }
+static inline bool cciss_board_disabled(ctlr_info_t *h)
+{
+ u16 command;
- err = pci_enable_device(pdev);
- if (err) {
- printk(KERN_ERR "cciss: Unable to Enable PCI device\n");
- return err;
- }
+ (void) pci_read_config_word(h->pdev, PCI_COMMAND, &command);
+ return ((command & PCI_COMMAND_MEMORY) == 0);
+}
- err = pci_request_regions(pdev, "cciss");
- if (err) {
- printk(KERN_ERR "cciss: Cannot obtain PCI resources, "
- "aborting\n");
- return err;
- }
+static int __devinit cciss_pci_find_memory_BAR(struct pci_dev *pdev,
+ unsigned long *memory_bar)
+{
+ int i;
-#ifdef CCISS_DEBUG
- printk("command = %x\n", command);
- printk("irq = %x\n", pdev->irq);
- printk("board_id = %x\n", board_id);
-#endif /* CCISS_DEBUG */
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++)
+ if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
+ /* addressing mode bits already removed */
+ *memory_bar = pci_resource_start(pdev, i);
+ dev_dbg(&pdev->dev, "memory BAR = %lx\n",
+ *memory_bar);
+ return 0;
+ }
+ dev_warn(&pdev->dev, "no memory BAR found\n");
+ return -ENODEV;
+}
-/* If the kernel supports MSI/MSI-X we will try to enable that functionality,
- * else we use the IO-APIC interrupt assigned to us by system ROM.
- */
- cciss_interrupt_mode(c, pdev, board_id);
+static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h)
+{
+ int i;
+ u32 scratchpad;
- /* find the memory BAR */
- for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
- if (pci_resource_flags(pdev, i) & IORESOURCE_MEM)
- break;
- }
- if (i == DEVICE_COUNT_RESOURCE) {
- printk(KERN_WARNING "cciss: No memory BAR found\n");
- err = -ENODEV;
- goto err_out_free_res;
+ for (i = 0; i < CCISS_BOARD_READY_ITERATIONS; i++) {
+ scratchpad = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET);
+ if (scratchpad == CCISS_FIRMWARE_READY)
+ return 0;
+ msleep(CCISS_BOARD_READY_POLL_INTERVAL_MSECS);
}
+ dev_warn(&h->pdev->dev, "board not ready, timed out.\n");
+ return -ENODEV;
+}
- c->paddr = pci_resource_start(pdev, i); /* addressing mode bits
- * already removed
- */
+static int __devinit cciss_find_cfg_addrs(struct pci_dev *pdev,
+ void __iomem *vaddr, u32 *cfg_base_addr, u64 *cfg_base_addr_index,
+ u64 *cfg_offset)
+{
+ *cfg_base_addr = readl(vaddr + SA5_CTCFG_OFFSET);
+ *cfg_offset = readl(vaddr + SA5_CTMEM_OFFSET);
+ *cfg_base_addr &= (u32) 0x0000ffff;
+ *cfg_base_addr_index = find_PCI_BAR_index(pdev, *cfg_base_addr);
+ if (*cfg_base_addr_index == -1) {
+ dev_warn(&pdev->dev, "cannot find cfg_base_addr_index, "
+ "*cfg_base_addr = 0x%08x\n", *cfg_base_addr);
+ return -ENODEV;
+ }
+ return 0;
+}
-#ifdef CCISS_DEBUG
- printk("address 0 = %lx\n", c->paddr);
-#endif /* CCISS_DEBUG */
- c->vaddr = remap_pci_mem(c->paddr, 0x250);
+static int __devinit cciss_find_cfgtables(ctlr_info_t *h)
+{
+ u64 cfg_offset;
+ u32 cfg_base_addr;
+ u64 cfg_base_addr_index;
+ u32 trans_offset;
+ int rc;
- /* Wait for the board to become ready. (PCI hotplug needs this.)
- * We poll for up to 120 secs, once per 100ms. */
- for (i = 0; i < 1200; i++) {
- scratchpad = readl(c->vaddr + SA5_SCRATCHPAD_OFFSET);
- if (scratchpad == CCISS_FIRMWARE_READY)
- break;
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(100)); /* wait 100ms */
- }
- if (scratchpad != CCISS_FIRMWARE_READY) {
- printk(KERN_WARNING "cciss: Board not ready. Timed out.\n");
- err = -ENODEV;
- goto err_out_free_res;
- }
+ rc = cciss_find_cfg_addrs(h->pdev, h->vaddr, &cfg_base_addr,
+ &cfg_base_addr_index, &cfg_offset);
+ if (rc)
+ return rc;
+ h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev,
+ cfg_base_addr_index) + cfg_offset, sizeof(h->cfgtable));
+ if (!h->cfgtable)
+ return -ENOMEM;
+ /* Find performant mode table. */
+ trans_offset = readl(&h->cfgtable->TransMethodOffset);
+ h->transtable = remap_pci_mem(pci_resource_start(h->pdev,
+ cfg_base_addr_index)+cfg_offset+trans_offset,
+ sizeof(*h->transtable));
+ if (!h->transtable)
+ return -ENOMEM;
+ return 0;
+}
- /* get the address index number */
- cfg_base_addr = readl(c->vaddr + SA5_CTCFG_OFFSET);
- cfg_base_addr &= (__u32) 0x0000ffff;
-#ifdef CCISS_DEBUG
- printk("cfg base address = %x\n", cfg_base_addr);
-#endif /* CCISS_DEBUG */
- cfg_base_addr_index = find_PCI_BAR_index(pdev, cfg_base_addr);
-#ifdef CCISS_DEBUG
- printk("cfg base address index = %llx\n",
- (unsigned long long)cfg_base_addr_index);
-#endif /* CCISS_DEBUG */
- if (cfg_base_addr_index == -1) {
- printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n");
- err = -ENODEV;
- goto err_out_free_res;
+static void __devinit cciss_get_max_perf_mode_cmds(struct ctlr_info *h)
+{
+ h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
+ if (h->max_commands < 16) {
+ dev_warn(&h->pdev->dev, "Controller reports "
+ "max supported commands of %d, an obvious lie. "
+ "Using 16. Ensure that firmware is up to date.\n",
+ h->max_commands);
+ h->max_commands = 16;
}
+}
- cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET);
-#ifdef CCISS_DEBUG
- printk("cfg offset = %llx\n", (unsigned long long)cfg_offset);
-#endif /* CCISS_DEBUG */
- c->cfgtable = remap_pci_mem(pci_resource_start(pdev,
- cfg_base_addr_index) +
- cfg_offset, sizeof(CfgTable_struct));
- c->board_id = board_id;
-
-#ifdef CCISS_DEBUG
- print_cfg_table(c->cfgtable);
-#endif /* CCISS_DEBUG */
-
- /* Some controllers support Zero Memory Raid (ZMR).
- * When configured in ZMR mode the number of supported
- * commands drops to 64. So instead of just setting an
- * arbitrary value we make the driver a little smarter.
- * We read the config table to tell us how many commands
- * are supported on the controller then subtract 4 to
- * leave a little room for ioctl calls.
- */
- c->max_commands = readl(&(c->cfgtable->CmdsOutMax));
- c->maxsgentries = readl(&(c->cfgtable->MaxSGElements));
-
+/* Interrogate the hardware for some limits:
+ * max commands, max SG elements without chaining, and with chaining,
+ * SG chain block size, etc.
+ */
+static void __devinit cciss_find_board_params(ctlr_info_t *h)
+{
+ cciss_get_max_perf_mode_cmds(h);
+ h->nr_cmds = h->max_commands - 4; /* Allow room for some ioctls */
+ h->maxsgentries = readl(&(h->cfgtable->MaxSGElements));
/*
- * Limit native command to 32 s/g elements to save dma'able memory.
+ * Limit in-command s/g elements to 32 save dma'able memory.
* Howvever spec says if 0, use 31
*/
-
- c->max_cmd_sgentries = 31;
- if (c->maxsgentries > 512) {
- c->max_cmd_sgentries = 32;
- c->chainsize = c->maxsgentries - c->max_cmd_sgentries + 1;
- c->maxsgentries -= 1; /* account for chain pointer */
+ h->max_cmd_sgentries = 31;
+ if (h->maxsgentries > 512) {
+ h->max_cmd_sgentries = 32;
+ h->chainsize = h->maxsgentries - h->max_cmd_sgentries + 1;
+ h->maxsgentries--; /* save one for chain pointer */
} else {
- c->maxsgentries = 31; /* Default to traditional value */
- c->chainsize = 0; /* traditional */
+ h->maxsgentries = 31; /* default to traditional values */
+ h->chainsize = 0;
}
+}
- c->product_name = products[prod_index].product_name;
- c->access = *(products[prod_index].access);
- c->nr_cmds = c->max_commands - 4;
- if ((readb(&c->cfgtable->Signature[0]) != 'C') ||
- (readb(&c->cfgtable->Signature[1]) != 'I') ||
- (readb(&c->cfgtable->Signature[2]) != 'S') ||
- (readb(&c->cfgtable->Signature[3]) != 'S')) {
- printk("Does not appear to be a valid CISS config table\n");
- err = -ENODEV;
- goto err_out_free_res;
+static inline bool CISS_signature_present(ctlr_info_t *h)
+{
+ if ((readb(&h->cfgtable->Signature[0]) != 'C') ||
+ (readb(&h->cfgtable->Signature[1]) != 'I') ||
+ (readb(&h->cfgtable->Signature[2]) != 'S') ||
+ (readb(&h->cfgtable->Signature[3]) != 'S')) {
+ dev_warn(&h->pdev->dev, "not a valid CISS config table\n");
+ return false;
}
+ return true;
+}
+
+/* Need to enable prefetch in the SCSI core for 6400 in x86 */
+static inline void cciss_enable_scsi_prefetch(ctlr_info_t *h)
+{
#ifdef CONFIG_X86
- {
- /* Need to enable prefetch in the SCSI core for 6400 in x86 */
- __u32 prefetch;
- prefetch = readl(&(c->cfgtable->SCSI_Prefetch));
- prefetch |= 0x100;
- writel(prefetch, &(c->cfgtable->SCSI_Prefetch));
- }
+ u32 prefetch;
+
+ prefetch = readl(&(h->cfgtable->SCSI_Prefetch));
+ prefetch |= 0x100;
+ writel(prefetch, &(h->cfgtable->SCSI_Prefetch));
#endif
+}
- /* Disabling DMA prefetch and refetch for the P600.
- * An ASIC bug may result in accesses to invalid memory addresses.
- * We've disabled prefetch for some time now. Testing with XEN
- * kernels revealed a bug in the refetch if dom0 resides on a P600.
- */
- if(board_id == 0x3225103C) {
- __u32 dma_prefetch;
- __u32 dma_refetch;
- dma_prefetch = readl(c->vaddr + I2O_DMA1_CFG);
- dma_prefetch |= 0x8000;
- writel(dma_prefetch, c->vaddr + I2O_DMA1_CFG);
- pci_read_config_dword(pdev, PCI_COMMAND_PARITY, &dma_refetch);
- dma_refetch |= 0x1;
- pci_write_config_dword(pdev, PCI_COMMAND_PARITY, dma_refetch);
+/* Disable DMA prefetch for the P600. Otherwise an ASIC bug may result
+ * in a prefetch beyond physical memory.
+ */
+static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h)
+{
+ u32 dma_prefetch;
+ __u32 dma_refetch;
+
+ if (h->board_id != 0x3225103C)
+ return;
+ dma_prefetch = readl(h->vaddr + I2O_DMA1_CFG);
+ dma_prefetch |= 0x8000;
+ writel(dma_prefetch, h->vaddr + I2O_DMA1_CFG);
+ pci_read_config_dword(h->pdev, PCI_COMMAND_PARITY, &dma_refetch);
+ dma_refetch |= 0x1;
+ pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch);
+}
+
+static int __devinit cciss_pci_init(ctlr_info_t *h)
+{
+ int prod_index, err;
+
+ prod_index = cciss_lookup_board_id(h->pdev, &h->board_id);
+ if (prod_index < 0)
+ return -ENODEV;
+ h->product_name = products[prod_index].product_name;
+ h->access = *(products[prod_index].access);
+
+ if (cciss_board_disabled(h)) {
+ dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
+ return -ENODEV;
+ }
+ err = pci_enable_device(h->pdev);
+ if (err) {
+ dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
+ return err;
}
-#ifdef CCISS_DEBUG
- printk("Trying to put board into Simple mode\n");
-#endif /* CCISS_DEBUG */
- c->max_commands = readl(&(c->cfgtable->CmdsOutMax));
- /* Update the field, and then ring the doorbell */
- writel(CFGTBL_Trans_Simple, &(c->cfgtable->HostWrite.TransportRequest));
- writel(CFGTBL_ChangeReq, c->vaddr + SA5_DOORBELL);
+ err = pci_request_regions(h->pdev, "cciss");
+ if (err) {
+ dev_warn(&h->pdev->dev,
+ "Cannot obtain PCI resources, aborting\n");
+ return err;
+ }
- /* under certain very rare conditions, this can take awhile.
- * (e.g.: hot replace a failed 144GB drive in a RAID 5 set right
- * as we enter this code.) */
- for (i = 0; i < MAX_CONFIG_WAIT; i++) {
- if (!(readl(c->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq))
- break;
- /* delay and try again */
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(msecs_to_jiffies(1));
+ dev_dbg(&h->pdev->dev, "irq = %x\n", h->pdev->irq);
+ dev_dbg(&h->pdev->dev, "board_id = %x\n", h->board_id);
+
+/* If the kernel supports MSI/MSI-X we will try to enable that functionality,
+ * else we use the IO-APIC interrupt assigned to us by system ROM.
+ */
+ cciss_interrupt_mode(h);
+ err = cciss_pci_find_memory_BAR(h->pdev, &h->paddr);
+ if (err)
+ goto err_out_free_res;
+ h->vaddr = remap_pci_mem(h->paddr, 0x250);
+ if (!h->vaddr) {
+ err = -ENOMEM;
+ goto err_out_free_res;
}
+ err = cciss_wait_for_board_ready(h);
+ if (err)
+ goto err_out_free_res;
+ err = cciss_find_cfgtables(h);
+ if (err)
+ goto err_out_free_res;
+ print_cfg_table(h);
+ cciss_find_board_params(h);
-#ifdef CCISS_DEBUG
- printk(KERN_DEBUG "I counter got to %d %x\n", i,
- readl(c->vaddr + SA5_DOORBELL));
-#endif /* CCISS_DEBUG */
-#ifdef CCISS_DEBUG
- print_cfg_table(c->cfgtable);
-#endif /* CCISS_DEBUG */
-
- if (!(readl(&(c->cfgtable->TransportActive)) & CFGTBL_Trans_Simple)) {
- printk(KERN_WARNING "cciss: unable to get board into"
- " simple mode\n");
+ if (!CISS_signature_present(h)) {
err = -ENODEV;
goto err_out_free_res;
}
+ cciss_enable_scsi_prefetch(h);
+ cciss_p600_dma_prefetch_quirk(h);
+ cciss_put_controller_into_performant_mode(h);
return 0;
err_out_free_res:
@@ -3913,42 +4220,47 @@ err_out_free_res:
* Deliberately omit pci_disable_device(): it does something nasty to
* Smart Array controllers that pci_enable_device does not undo
*/
- pci_release_regions(pdev);
+ if (h->transtable)
+ iounmap(h->transtable);
+ if (h->cfgtable)
+ iounmap(h->cfgtable);
+ if (h->vaddr)
+ iounmap(h->vaddr);
+ pci_release_regions(h->pdev);
return err;
}
/* Function to find the first free pointer into our hba[] array
* Returns -1 if no free entries are left.
*/
-static int alloc_cciss_hba(void)
+static int alloc_cciss_hba(struct pci_dev *pdev)
{
int i;
for (i = 0; i < MAX_CTLR; i++) {
if (!hba[i]) {
- ctlr_info_t *p;
+ ctlr_info_t *h;
- p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
- if (!p)
+ h = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL);
+ if (!h)
goto Enomem;
- hba[i] = p;
+ hba[i] = h;
return i;
}
}
- printk(KERN_WARNING "cciss: This driver supports a maximum"
+ dev_warn(&pdev->dev, "This driver supports a maximum"
" of %d controllers.\n", MAX_CTLR);
return -1;
Enomem:
- printk(KERN_ERR "cciss: out of memory.\n");
+ dev_warn(&pdev->dev, "out of memory.\n");
return -1;
}
-static void free_hba(int n)
+static void free_hba(ctlr_info_t *h)
{
- ctlr_info_t *h = hba[n];
int i;
- hba[n] = NULL;
+ hba[h->ctlr] = NULL;
for (i = 0; i < h->highest_lun + 1; i++)
if (h->gendisk[i] != NULL)
put_disk(h->gendisk[i]);
@@ -4028,7 +4340,8 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u
/* we leak the DMA buffer here ... no choice since the controller could
still complete the command. */
if (i == 10) {
- printk(KERN_ERR "cciss: controller message %02x:%02x timed out\n",
+ dev_err(&pdev->dev,
+ "controller message %02x:%02x timed out\n",
opcode, type);
return -ETIMEDOUT;
}
@@ -4036,12 +4349,12 @@ static __devinit int cciss_message(struct pci_dev *pdev, unsigned char opcode, u
pci_free_consistent(pdev, cmd_sz, cmd, paddr64);
if (tag & 2) {
- printk(KERN_ERR "cciss: controller message %02x:%02x failed\n",
+ dev_err(&pdev->dev, "controller message %02x:%02x failed\n",
opcode, type);
return -EIO;
}
- printk(KERN_INFO "cciss: controller message %02x:%02x succeeded\n",
+ dev_info(&pdev->dev, "controller message %02x:%02x succeeded\n",
opcode, type);
return 0;
}
@@ -4062,7 +4375,7 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev)
if (pos) {
pci_read_config_word(pdev, msi_control_reg(pos), &control);
if (control & PCI_MSI_FLAGS_ENABLE) {
- printk(KERN_INFO "cciss: resetting MSI\n");
+ dev_info(&pdev->dev, "resetting MSI\n");
pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSI_FLAGS_ENABLE);
}
}
@@ -4071,7 +4384,7 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev)
if (pos) {
pci_read_config_word(pdev, msi_control_reg(pos), &control);
if (control & PCI_MSIX_FLAGS_ENABLE) {
- printk(KERN_INFO "cciss: resetting MSI-X\n");
+ dev_info(&pdev->dev, "resetting MSI-X\n");
pci_write_config_word(pdev, msi_control_reg(pos), control & ~PCI_MSIX_FLAGS_ENABLE);
}
}
@@ -4079,68 +4392,144 @@ static __devinit int cciss_reset_msi(struct pci_dev *pdev)
return 0;
}
-/* This does a hard reset of the controller using PCI power management
- * states. */
-static __devinit int cciss_hard_reset_controller(struct pci_dev *pdev)
+static int cciss_controller_hard_reset(struct pci_dev *pdev,
+ void * __iomem vaddr, bool use_doorbell)
{
- u16 pmcsr, saved_config_space[32];
- int i, pos;
+ u16 pmcsr;
+ int pos;
- printk(KERN_INFO "cciss: using PCI PM to reset controller\n");
+ if (use_doorbell) {
+ /* For everything after the P600, the PCI power state method
+ * of resetting the controller doesn't work, so we have this
+ * other way using the doorbell register.
+ */
+ dev_info(&pdev->dev, "using doorbell to reset controller\n");
+ writel(DOORBELL_CTLR_RESET, vaddr + SA5_DOORBELL);
+ msleep(1000);
+ } else { /* Try to do it the PCI power state way */
+
+ /* Quoting from the Open CISS Specification: "The Power
+ * Management Control/Status Register (CSR) controls the power
+ * state of the device. The normal operating state is D0,
+ * CSR=00h. The software off state is D3, CSR=03h. To reset
+ * the controller, place the interface device in D3 then to D0,
+ * this causes a secondary PCI reset which will reset the
+ * controller." */
+
+ pos = pci_find_capability(pdev, PCI_CAP_ID_PM);
+ if (pos == 0) {
+ dev_err(&pdev->dev,
+ "cciss_controller_hard_reset: "
+ "PCI PM not supported\n");
+ return -ENODEV;
+ }
+ dev_info(&pdev->dev, "using PCI PM to reset controller\n");
+ /* enter the D3hot power management state */
+ pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr);
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pmcsr |= PCI_D3hot;
+ pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
- /* This is very nearly the same thing as
+ msleep(500);
- pci_save_state(pci_dev);
- pci_set_power_state(pci_dev, PCI_D3hot);
- pci_set_power_state(pci_dev, PCI_D0);
- pci_restore_state(pci_dev);
+ /* enter the D0 power management state */
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pmcsr |= PCI_D0;
+ pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
- but we can't use these nice canned kernel routines on
- kexec, because they also check the MSI/MSI-X state in PCI
- configuration space and do the wrong thing when it is
- set/cleared. Also, the pci_save/restore_state functions
- violate the ordering requirements for restoring the
- configuration space from the CCISS document (see the
- comment below). So we roll our own .... */
+ msleep(500);
+ }
+ return 0;
+}
- for (i = 0; i < 32; i++)
- pci_read_config_word(pdev, 2*i, &saved_config_space[i]);
+/* This does a hard reset of the controller using PCI power management
+ * states or using the doorbell register. */
+static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
+{
+ u16 saved_config_space[32];
+ u64 cfg_offset;
+ u32 cfg_base_addr;
+ u64 cfg_base_addr_index;
+ void __iomem *vaddr;
+ unsigned long paddr;
+ u32 misc_fw_support, active_transport;
+ int rc, i;
+ CfgTable_struct __iomem *cfgtable;
+ bool use_doorbell;
+ u32 board_id;
+
+ /* For controllers as old a the p600, this is very nearly
+ * the same thing as
+ *
+ * pci_save_state(pci_dev);
+ * pci_set_power_state(pci_dev, PCI_D3hot);
+ * pci_set_power_state(pci_dev, PCI_D0);
+ * pci_restore_state(pci_dev);
+ *
+ * but we can't use these nice canned kernel routines on
+ * kexec, because they also check the MSI/MSI-X state in PCI
+ * configuration space and do the wrong thing when it is
+ * set/cleared. Also, the pci_save/restore_state functions
+ * violate the ordering requirements for restoring the
+ * configuration space from the CCISS document (see the
+ * comment below). So we roll our own ....
+ *
+ * For controllers newer than the P600, the pci power state
+ * method of resetting doesn't work so we have another way
+ * using the doorbell register.
+ */
- pos = pci_find_capability(pdev, PCI_CAP_ID_PM);
- if (pos == 0) {
- printk(KERN_ERR "cciss_reset_controller: PCI PM not supported\n");
+ /* Exclude 640x boards. These are two pci devices in one slot
+ * which share a battery backed cache module. One controls the
+ * cache, the other accesses the cache through the one that controls
+ * it. If we reset the one controlling the cache, the other will
+ * likely not be happy. Just forbid resetting this conjoined mess.
+ */
+ cciss_lookup_board_id(pdev, &board_id);
+ if (board_id == 0x409C0E11 || board_id == 0x409D0E11) {
+ dev_warn(&pdev->dev, "Cannot reset Smart Array 640x "
+ "due to shared cache module.");
return -ENODEV;
}
- /* Quoting from the Open CISS Specification: "The Power
- * Management Control/Status Register (CSR) controls the power
- * state of the device. The normal operating state is D0,
- * CSR=00h. The software off state is D3, CSR=03h. To reset
- * the controller, place the interface device in D3 then to
- * D0, this causes a secondary PCI reset which will reset the
- * controller." */
+ for (i = 0; i < 32; i++)
+ pci_read_config_word(pdev, 2*i, &saved_config_space[i]);
- /* enter the D3hot power management state */
- pci_read_config_word(pdev, pos + PCI_PM_CTRL, &pmcsr);
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= PCI_D3hot;
- pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
+ /* find the first memory BAR, so we can find the cfg table */
+ rc = cciss_pci_find_memory_BAR(pdev, &paddr);
+ if (rc)
+ return rc;
+ vaddr = remap_pci_mem(paddr, 0x250);
+ if (!vaddr)
+ return -ENOMEM;
- schedule_timeout_uninterruptible(HZ >> 1);
+ /* find cfgtable in order to check if reset via doorbell is supported */
+ rc = cciss_find_cfg_addrs(pdev, vaddr, &cfg_base_addr,
+ &cfg_base_addr_index, &cfg_offset);
+ if (rc)
+ goto unmap_vaddr;
+ cfgtable = remap_pci_mem(pci_resource_start(pdev,
+ cfg_base_addr_index) + cfg_offset, sizeof(*cfgtable));
+ if (!cfgtable) {
+ rc = -ENOMEM;
+ goto unmap_vaddr;
+ }
- /* enter the D0 power management state */
- pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
- pmcsr |= PCI_D0;
- pci_write_config_word(pdev, pos + PCI_PM_CTRL, pmcsr);
+ /* If reset via doorbell register is supported, use that. */
+ misc_fw_support = readl(&cfgtable->misc_fw_support);
+ use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
- schedule_timeout_uninterruptible(HZ >> 1);
+ rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
+ if (rc)
+ goto unmap_cfgtable;
/* Restore the PCI configuration space. The Open CISS
* Specification says, "Restore the PCI Configuration
* Registers, offsets 00h through 60h. It is important to
* restore the command register, 16-bits at offset 04h,
* last. Do not restore the configuration status register,
- * 16-bits at offset 06h." Note that the offset is 2*i. */
+ * 16-bits at offset 06h." Note that the offset is 2*i.
+ */
for (i = 0; i < 32; i++) {
if (i == 2 || i == 3)
continue;
@@ -4149,6 +4538,63 @@ static __devinit int cciss_hard_reset_controller(struct pci_dev *pdev)
wmb();
pci_write_config_word(pdev, 4, saved_config_space[2]);
+ /* Some devices (notably the HP Smart Array 5i Controller)
+ need a little pause here */
+ msleep(CCISS_POST_RESET_PAUSE_MSECS);
+
+ /* Controller should be in simple mode at this point. If it's not,
+ * It means we're on one of those controllers which doesn't support
+ * the doorbell reset method and on which the PCI power management reset
+ * method doesn't work (P800, for example.)
+ * In those cases, don't try to proceed, as it generally doesn't work.
+ */
+ active_transport = readl(&cfgtable->TransportActive);
+ if (active_transport & PERFORMANT_MODE) {
+ dev_warn(&pdev->dev, "Unable to successfully reset controller,"
+ " Ignoring controller.\n");
+ rc = -ENODEV;
+ }
+
+unmap_cfgtable:
+ iounmap(cfgtable);
+
+unmap_vaddr:
+ iounmap(vaddr);
+ return rc;
+}
+
+static __devinit int cciss_init_reset_devices(struct pci_dev *pdev)
+{
+ int rc, i;
+
+ if (!reset_devices)
+ return 0;
+
+ /* Reset the controller with a PCI power-cycle or via doorbell */
+ rc = cciss_kdump_hard_reset_controller(pdev);
+
+ /* -ENOTSUPP here means we cannot reset the controller
+ * but it's already (and still) up and running in
+ * "performant mode". Or, it might be 640x, which can't reset
+ * due to concerns about shared bbwc between 6402/6404 pair.
+ */
+ if (rc == -ENOTSUPP)
+ return 0; /* just try to do the kdump anyhow. */
+ if (rc)
+ return -ENODEV;
+ if (cciss_reset_msi(pdev))
+ return -ENODEV;
+
+ /* Now try to get the controller to respond to a no-op */
+ for (i = 0; i < CCISS_POST_RESET_NOOP_RETRIES; i++) {
+ if (cciss_noop(pdev) == 0)
+ break;
+ else
+ dev_warn(&pdev->dev, "no-op failed%s\n",
+ (i < CCISS_POST_RESET_NOOP_RETRIES - 1 ?
+ "; re-trying" : ""));
+ msleep(CCISS_POST_RESET_NOOP_INTERVAL_MSECS);
+ }
return 0;
}
@@ -4166,46 +4612,31 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
int rc;
int dac, return_code;
InquiryData_struct *inq_buff;
+ ctlr_info_t *h;
- if (reset_devices) {
- /* Reset the controller with a PCI power-cycle */
- if (cciss_hard_reset_controller(pdev) || cciss_reset_msi(pdev))
- return -ENODEV;
-
- /* Now try to get the controller to respond to a no-op. Some
- devices (notably the HP Smart Array 5i Controller) need
- up to 30 seconds to respond. */
- for (i=0; i<30; i++) {
- if (cciss_noop(pdev) == 0)
- break;
-
- schedule_timeout_uninterruptible(HZ);
- }
- if (i == 30) {
- printk(KERN_ERR "cciss: controller seems dead\n");
- return -EBUSY;
- }
- }
-
- i = alloc_cciss_hba();
+ rc = cciss_init_reset_devices(pdev);
+ if (rc)
+ return rc;
+ i = alloc_cciss_hba(pdev);
if (i < 0)
return -1;
- hba[i]->busy_initializing = 1;
- INIT_HLIST_HEAD(&hba[i]->cmpQ);
- INIT_HLIST_HEAD(&hba[i]->reqQ);
- mutex_init(&hba[i]->busy_shutting_down);
+ h = hba[i];
+ h->pdev = pdev;
+ h->busy_initializing = 1;
+ INIT_HLIST_HEAD(&h->cmpQ);
+ INIT_HLIST_HEAD(&h->reqQ);
+ mutex_init(&h->busy_shutting_down);
- if (cciss_pci_init(hba[i], pdev) != 0)
+ if (cciss_pci_init(h) != 0)
goto clean_no_release_regions;
- sprintf(hba[i]->devname, "cciss%d", i);
- hba[i]->ctlr = i;
- hba[i]->pdev = pdev;
+ sprintf(h->devname, "cciss%d", i);
+ h->ctlr = i;
- init_completion(&hba[i]->scan_wait);
+ init_completion(&h->scan_wait);
- if (cciss_create_hba_sysfs_entry(hba[i]))
+ if (cciss_create_hba_sysfs_entry(h))
goto clean0;
/* configure PCI DMA stuff */
@@ -4214,7 +4645,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
dac = 0;
else {
- printk(KERN_ERR "cciss: no suitable DMA available\n");
+ dev_err(&h->pdev->dev, "no suitable DMA available\n");
goto clean1;
}
@@ -4224,151 +4655,161 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
* 8 controller support.
*/
if (i < MAX_CTLR_ORIG)
- hba[i]->major = COMPAQ_CISS_MAJOR + i;
- rc = register_blkdev(hba[i]->major, hba[i]->devname);
+ h->major = COMPAQ_CISS_MAJOR + i;
+ rc = register_blkdev(h->major, h->devname);
if (rc == -EBUSY || rc == -EINVAL) {
- printk(KERN_ERR
- "cciss: Unable to get major number %d for %s "
- "on hba %d\n", hba[i]->major, hba[i]->devname, i);
+ dev_err(&h->pdev->dev,
+ "Unable to get major number %d for %s "
+ "on hba %d\n", h->major, h->devname, i);
goto clean1;
} else {
if (i >= MAX_CTLR_ORIG)
- hba[i]->major = rc;
+ h->major = rc;
}
/* make sure the board interrupts are off */
- hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF);
- if (request_irq(hba[i]->intr[SIMPLE_MODE_INT], do_cciss_intr,
- IRQF_DISABLED | IRQF_SHARED, hba[i]->devname, hba[i])) {
- printk(KERN_ERR "cciss: Unable to get irq %d for %s\n",
- hba[i]->intr[SIMPLE_MODE_INT], hba[i]->devname);
- goto clean2;
+ h->access.set_intr_mask(h, CCISS_INTR_OFF);
+ if (h->msi_vector || h->msix_vector) {
+ if (request_irq(h->intr[PERF_MODE_INT],
+ do_cciss_msix_intr,
+ IRQF_DISABLED, h->devname, h)) {
+ dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
+ h->intr[PERF_MODE_INT], h->devname);
+ goto clean2;
+ }
+ } else {
+ if (request_irq(h->intr[PERF_MODE_INT], do_cciss_intx,
+ IRQF_DISABLED, h->devname, h)) {
+ dev_err(&h->pdev->dev, "Unable to get irq %d for %s\n",
+ h->intr[PERF_MODE_INT], h->devname);
+ goto clean2;
+ }
}
- printk(KERN_INFO "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n",
- hba[i]->devname, pdev->device, pci_name(pdev),
- hba[i]->intr[SIMPLE_MODE_INT], dac ? "" : " not");
+ dev_info(&h->pdev->dev, "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n",
+ h->devname, pdev->device, pci_name(pdev),
+ h->intr[PERF_MODE_INT], dac ? "" : " not");
- hba[i]->cmd_pool_bits =
- kmalloc(DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG)
+ h->cmd_pool_bits =
+ kmalloc(DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG)
* sizeof(unsigned long), GFP_KERNEL);
- hba[i]->cmd_pool = (CommandList_struct *)
- pci_alloc_consistent(hba[i]->pdev,
- hba[i]->nr_cmds * sizeof(CommandList_struct),
- &(hba[i]->cmd_pool_dhandle));
- hba[i]->errinfo_pool = (ErrorInfo_struct *)
- pci_alloc_consistent(hba[i]->pdev,
- hba[i]->nr_cmds * sizeof(ErrorInfo_struct),
- &(hba[i]->errinfo_pool_dhandle));
- if ((hba[i]->cmd_pool_bits == NULL)
- || (hba[i]->cmd_pool == NULL)
- || (hba[i]->errinfo_pool == NULL)) {
- printk(KERN_ERR "cciss: out of memory");
+ h->cmd_pool = (CommandList_struct *)
+ pci_alloc_consistent(h->pdev,
+ h->nr_cmds * sizeof(CommandList_struct),
+ &(h->cmd_pool_dhandle));
+ h->errinfo_pool = (ErrorInfo_struct *)
+ pci_alloc_consistent(h->pdev,
+ h->nr_cmds * sizeof(ErrorInfo_struct),
+ &(h->errinfo_pool_dhandle));
+ if ((h->cmd_pool_bits == NULL)
+ || (h->cmd_pool == NULL)
+ || (h->errinfo_pool == NULL)) {
+ dev_err(&h->pdev->dev, "out of memory");
goto clean4;
}
/* Need space for temp scatter list */
- hba[i]->scatter_list = kmalloc(hba[i]->max_commands *
+ h->scatter_list = kmalloc(h->max_commands *
sizeof(struct scatterlist *),
GFP_KERNEL);
- for (k = 0; k < hba[i]->nr_cmds; k++) {
- hba[i]->scatter_list[k] = kmalloc(sizeof(struct scatterlist) *
- hba[i]->maxsgentries,
+ for (k = 0; k < h->nr_cmds; k++) {
+ h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) *
+ h->maxsgentries,
GFP_KERNEL);
- if (hba[i]->scatter_list[k] == NULL) {
- printk(KERN_ERR "cciss%d: could not allocate "
- "s/g lists\n", i);
+ if (h->scatter_list[k] == NULL) {
+ dev_err(&h->pdev->dev,
+ "could not allocate s/g lists\n");
goto clean4;
}
}
- hba[i]->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[i],
- hba[i]->chainsize, hba[i]->nr_cmds);
- if (!hba[i]->cmd_sg_list && hba[i]->chainsize > 0)
+ h->cmd_sg_list = cciss_allocate_sg_chain_blocks(h,
+ h->chainsize, h->nr_cmds);
+ if (!h->cmd_sg_list && h->chainsize > 0)
goto clean4;
- spin_lock_init(&hba[i]->lock);
+ spin_lock_init(&h->lock);
/* Initialize the pdev driver private data.
- have it point to hba[i]. */
- pci_set_drvdata(pdev, hba[i]);
+ have it point to h. */
+ pci_set_drvdata(pdev, h);
/* command and error info recs zeroed out before
they are used */
- memset(hba[i]->cmd_pool_bits, 0,
- DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG)
+ memset(h->cmd_pool_bits, 0,
+ DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG)
* sizeof(unsigned long));
- hba[i]->num_luns = 0;
- hba[i]->highest_lun = -1;
+ h->num_luns = 0;
+ h->highest_lun = -1;
for (j = 0; j < CISS_MAX_LUN; j++) {
- hba[i]->drv[j] = NULL;
- hba[i]->gendisk[j] = NULL;
+ h->drv[j] = NULL;
+ h->gendisk[j] = NULL;
}
- cciss_scsi_setup(i);
+ cciss_scsi_setup(h);
/* Turn the interrupts on so we can service requests */
- hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON);
+ h->access.set_intr_mask(h, CCISS_INTR_ON);
/* Get the firmware version */
inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
if (inq_buff == NULL) {
- printk(KERN_ERR "cciss: out of memory\n");
+ dev_err(&h->pdev->dev, "out of memory\n");
goto clean4;
}
- return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff,
+ return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff,
sizeof(InquiryData_struct), 0, CTLR_LUNID, TYPE_CMD);
if (return_code == IO_OK) {
- hba[i]->firm_ver[0] = inq_buff->data_byte[32];
- hba[i]->firm_ver[1] = inq_buff->data_byte[33];
- hba[i]->firm_ver[2] = inq_buff->data_byte[34];
- hba[i]->firm_ver[3] = inq_buff->data_byte[35];
+ h->firm_ver[0] = inq_buff->data_byte[32];
+ h->firm_ver[1] = inq_buff->data_byte[33];
+ h->firm_ver[2] = inq_buff->data_byte[34];
+ h->firm_ver[3] = inq_buff->data_byte[35];
} else { /* send command failed */
- printk(KERN_WARNING "cciss: unable to determine firmware"
+ dev_warn(&h->pdev->dev, "unable to determine firmware"
" version of controller\n");
}
kfree(inq_buff);
- cciss_procinit(i);
+ cciss_procinit(h);
- hba[i]->cciss_max_sectors = 8192;
+ h->cciss_max_sectors = 8192;
- rebuild_lun_table(hba[i], 1, 0);
- hba[i]->busy_initializing = 0;
+ rebuild_lun_table(h, 1, 0);
+ h->busy_initializing = 0;
return 1;
clean4:
- kfree(hba[i]->cmd_pool_bits);
+ kfree(h->cmd_pool_bits);
/* Free up sg elements */
- for (k = 0; k < hba[i]->nr_cmds; k++)
- kfree(hba[i]->scatter_list[k]);
- kfree(hba[i]->scatter_list);
- cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds);
- if (hba[i]->cmd_pool)
- pci_free_consistent(hba[i]->pdev,
- hba[i]->nr_cmds * sizeof(CommandList_struct),
- hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle);
- if (hba[i]->errinfo_pool)
- pci_free_consistent(hba[i]->pdev,
- hba[i]->nr_cmds * sizeof(ErrorInfo_struct),
- hba[i]->errinfo_pool,
- hba[i]->errinfo_pool_dhandle);
- free_irq(hba[i]->intr[SIMPLE_MODE_INT], hba[i]);
+ for (k = 0; k < h->nr_cmds; k++)
+ kfree(h->scatter_list[k]);
+ kfree(h->scatter_list);
+ cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
+ if (h->cmd_pool)
+ pci_free_consistent(h->pdev,
+ h->nr_cmds * sizeof(CommandList_struct),
+ h->cmd_pool, h->cmd_pool_dhandle);
+ if (h->errinfo_pool)
+ pci_free_consistent(h->pdev,
+ h->nr_cmds * sizeof(ErrorInfo_struct),
+ h->errinfo_pool,
+ h->errinfo_pool_dhandle);
+ free_irq(h->intr[PERF_MODE_INT], h);
clean2:
- unregister_blkdev(hba[i]->major, hba[i]->devname);
+ unregister_blkdev(h->major, h->devname);
clean1:
- cciss_destroy_hba_sysfs_entry(hba[i]);
+ cciss_destroy_hba_sysfs_entry(h);
clean0:
pci_release_regions(pdev);
clean_no_release_regions:
- hba[i]->busy_initializing = 0;
+ h->busy_initializing = 0;
/*
* Deliberately omit pci_disable_device(): it does something nasty to
* Smart Array controllers that pci_enable_device does not undo
*/
pci_set_drvdata(pdev, NULL);
- free_hba(i);
+ free_hba(h);
return -1;
}
@@ -4381,55 +4822,51 @@ static void cciss_shutdown(struct pci_dev *pdev)
h = pci_get_drvdata(pdev);
flush_buf = kzalloc(4, GFP_KERNEL);
if (!flush_buf) {
- printk(KERN_WARNING
- "cciss:%d cache not flushed, out of memory.\n",
- h->ctlr);
+ dev_warn(&h->pdev->dev, "cache not flushed, out of memory.\n");
return;
}
/* write all data in the battery backed cache to disk */
memset(flush_buf, 0, 4);
- return_code = sendcmd_withirq(CCISS_CACHE_FLUSH, h->ctlr, flush_buf,
+ return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf,
4, 0, CTLR_LUNID, TYPE_CMD);
kfree(flush_buf);
if (return_code != IO_OK)
- printk(KERN_WARNING "cciss%d: Error flushing cache\n",
- h->ctlr);
+ dev_warn(&h->pdev->dev, "Error flushing cache\n");
h->access.set_intr_mask(h, CCISS_INTR_OFF);
- free_irq(h->intr[2], h);
+ free_irq(h->intr[PERF_MODE_INT], h);
}
static void __devexit cciss_remove_one(struct pci_dev *pdev)
{
- ctlr_info_t *tmp_ptr;
+ ctlr_info_t *h;
int i, j;
if (pci_get_drvdata(pdev) == NULL) {
- printk(KERN_ERR "cciss: Unable to remove device \n");
+ dev_err(&pdev->dev, "Unable to remove device\n");
return;
}
- tmp_ptr = pci_get_drvdata(pdev);
- i = tmp_ptr->ctlr;
+ h = pci_get_drvdata(pdev);
+ i = h->ctlr;
if (hba[i] == NULL) {
- printk(KERN_ERR "cciss: device appears to "
- "already be removed \n");
+ dev_err(&pdev->dev, "device appears to already be removed\n");
return;
}
- mutex_lock(&hba[i]->busy_shutting_down);
+ mutex_lock(&h->busy_shutting_down);
- remove_from_scan_list(hba[i]);
- remove_proc_entry(hba[i]->devname, proc_cciss);
- unregister_blkdev(hba[i]->major, hba[i]->devname);
+ remove_from_scan_list(h);
+ remove_proc_entry(h->devname, proc_cciss);
+ unregister_blkdev(h->major, h->devname);
/* remove it from the disk list */
for (j = 0; j < CISS_MAX_LUN; j++) {
- struct gendisk *disk = hba[i]->gendisk[j];
+ struct gendisk *disk = h->gendisk[j];
if (disk) {
struct request_queue *q = disk->queue;
if (disk->flags & GENHD_FL_UP) {
- cciss_destroy_ld_sysfs_entry(hba[i], j, 1);
+ cciss_destroy_ld_sysfs_entry(h, j, 1);
del_gendisk(disk);
}
if (q)
@@ -4438,39 +4875,41 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
}
#ifdef CONFIG_CISS_SCSI_TAPE
- cciss_unregister_scsi(i); /* unhook from SCSI subsystem */
+ cciss_unregister_scsi(h); /* unhook from SCSI subsystem */
#endif
cciss_shutdown(pdev);
#ifdef CONFIG_PCI_MSI
- if (hba[i]->msix_vector)
- pci_disable_msix(hba[i]->pdev);
- else if (hba[i]->msi_vector)
- pci_disable_msi(hba[i]->pdev);
+ if (h->msix_vector)
+ pci_disable_msix(h->pdev);
+ else if (h->msi_vector)
+ pci_disable_msi(h->pdev);
#endif /* CONFIG_PCI_MSI */
- iounmap(hba[i]->vaddr);
+ iounmap(h->transtable);
+ iounmap(h->cfgtable);
+ iounmap(h->vaddr);
- pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct),
- hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle);
- pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(ErrorInfo_struct),
- hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle);
- kfree(hba[i]->cmd_pool_bits);
+ pci_free_consistent(h->pdev, h->nr_cmds * sizeof(CommandList_struct),
+ h->cmd_pool, h->cmd_pool_dhandle);
+ pci_free_consistent(h->pdev, h->nr_cmds * sizeof(ErrorInfo_struct),
+ h->errinfo_pool, h->errinfo_pool_dhandle);
+ kfree(h->cmd_pool_bits);
/* Free up sg elements */
- for (j = 0; j < hba[i]->nr_cmds; j++)
- kfree(hba[i]->scatter_list[j]);
- kfree(hba[i]->scatter_list);
- cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds);
+ for (j = 0; j < h->nr_cmds; j++)
+ kfree(h->scatter_list[j]);
+ kfree(h->scatter_list);
+ cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
/*
* Deliberately omit pci_disable_device(): it does something nasty to
* Smart Array controllers that pci_enable_device does not undo
*/
pci_release_regions(pdev);
pci_set_drvdata(pdev, NULL);
- cciss_destroy_hba_sysfs_entry(hba[i]);
- mutex_unlock(&hba[i]->busy_shutting_down);
- free_hba(i);
+ cciss_destroy_hba_sysfs_entry(h);
+ mutex_unlock(&h->busy_shutting_down);
+ free_hba(h);
}
static struct pci_driver cciss_pci_driver = {
@@ -4495,7 +4934,6 @@ static int __init cciss_init(void)
* array of them, the size must be a multiple of 8 bytes.
*/
BUILD_BUG_ON(sizeof(CommandList_struct) % COMMANDLIST_ALIGNMENT);
-
printk(KERN_INFO DRIVER_NAME "\n");
err = bus_register(&cciss_bus_type);
@@ -4532,8 +4970,8 @@ static void __exit cciss_cleanup(void)
/* double check that all controller entrys have been removed */
for (i = 0; i < MAX_CTLR; i++) {
if (hba[i] != NULL) {
- printk(KERN_WARNING "cciss: had to remove"
- " controller %d\n", i);
+ dev_warn(&hba[i]->pdev->dev,
+ "had to remove controller\n");
cciss_remove_one(hba[i]->pdev);
}
}
@@ -4542,46 +4980,5 @@ static void __exit cciss_cleanup(void)
bus_unregister(&cciss_bus_type);
}
-static void fail_all_cmds(unsigned long ctlr)
-{
- /* If we get here, the board is apparently dead. */
- ctlr_info_t *h = hba[ctlr];
- CommandList_struct *c;
- unsigned long flags;
-
- printk(KERN_WARNING "cciss%d: controller not responding.\n", h->ctlr);
- h->alive = 0; /* the controller apparently died... */
-
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
-
- pci_disable_device(h->pdev); /* Make sure it is really dead. */
-
- /* move everything off the request queue onto the completed queue */
- while (!hlist_empty(&h->reqQ)) {
- c = hlist_entry(h->reqQ.first, CommandList_struct, list);
- removeQ(c);
- h->Qdepth--;
- addQ(&h->cmpQ, c);
- }
-
- /* Now, fail everything on the completed queue with a HW error */
- while (!hlist_empty(&h->cmpQ)) {
- c = hlist_entry(h->cmpQ.first, CommandList_struct, list);
- removeQ(c);
- if (c->cmd_type != CMD_MSG_STALE)
- c->err_info->CommandStatus = CMD_HARDWARE_ERR;
- if (c->cmd_type == CMD_RWREQ) {
- complete_command(h, c, 0);
- } else if (c->cmd_type == CMD_IOCTL_PEND)
- complete(c->waiting);
-#ifdef CONFIG_CISS_SCSI_TAPE
- else if (c->cmd_type == CMD_SCSI)
- complete_scsi_command(c, 0, 0);
-#endif
- }
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- return;
-}
-
module_init(cciss_init);
module_exit(cciss_cleanup);
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index c5d411174db0..ae340ffc8f81 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -25,7 +25,7 @@ struct access_method {
void (*submit_command)(ctlr_info_t *h, CommandList_struct *c);
void (*set_intr_mask)(ctlr_info_t *h, unsigned long val);
unsigned long (*fifo_full)(ctlr_info_t *h);
- unsigned long (*intr_pending)(ctlr_info_t *h);
+ bool (*intr_pending)(ctlr_info_t *h);
unsigned long (*command_completed)(ctlr_info_t *h);
};
typedef struct _drive_info_struct
@@ -85,8 +85,8 @@ struct ctlr_info
int max_cmd_sgentries;
SGDescriptor_struct **cmd_sg_list;
-# define DOORBELL_INT 0
-# define PERF_MODE_INT 1
+# define PERF_MODE_INT 0
+# define DOORBELL_INT 1
# define SIMPLE_MODE_INT 2
# define MEMQ_MODE_INT 3
unsigned int intr[4];
@@ -137,10 +137,27 @@ struct ctlr_info
struct list_head scan_list;
struct completion scan_wait;
struct device dev;
+ /*
+ * Performant mode tables.
+ */
+ u32 trans_support;
+ u32 trans_offset;
+ struct TransTable_struct *transtable;
+ unsigned long transMethod;
+
+ /*
+ * Performant mode completion buffer
+ */
+ u64 *reply_pool;
+ dma_addr_t reply_pool_dhandle;
+ u64 *reply_pool_head;
+ size_t reply_pool_size;
+ unsigned char reply_pool_wraparound;
+ u32 *blockFetchTable;
};
-/* Defining the diffent access_menthods */
-/*
+/* Defining the diffent access_methods
+ *
* Memory mapped FIFO interface (SMART 53xx cards)
*/
#define SA5_DOORBELL 0x20
@@ -159,19 +176,47 @@ struct ctlr_info
#define SA5B_INTR_PENDING 0x04
#define FIFO_EMPTY 0xffffffff
#define CCISS_FIRMWARE_READY 0xffff0000 /* value in scratchpad register */
+/* Perf. mode flags */
+#define SA5_PERF_INTR_PENDING 0x04
+#define SA5_PERF_INTR_OFF 0x05
+#define SA5_OUTDB_STATUS_PERF_BIT 0x01
+#define SA5_OUTDB_CLEAR_PERF_BIT 0x01
+#define SA5_OUTDB_CLEAR 0xA0
+#define SA5_OUTDB_CLEAR_PERF_BIT 0x01
+#define SA5_OUTDB_STATUS 0x9C
+
#define CISS_ERROR_BIT 0x02
#define CCISS_INTR_ON 1
#define CCISS_INTR_OFF 0
+
+
+/* CCISS_BOARD_READY_WAIT_SECS is how long to wait for a board
+ * to become ready, in seconds, before giving up on it.
+ * CCISS_BOARD_READY_POLL_INTERVAL_MSECS * is how long to wait
+ * between polling the board to see if it is ready, in
+ * milliseconds. CCISS_BOARD_READY_ITERATIONS is derived
+ * the above.
+ */
+#define CCISS_BOARD_READY_WAIT_SECS (120)
+#define CCISS_BOARD_READY_POLL_INTERVAL_MSECS (100)
+#define CCISS_BOARD_READY_ITERATIONS \
+ ((CCISS_BOARD_READY_WAIT_SECS * 1000) / \
+ CCISS_BOARD_READY_POLL_INTERVAL_MSECS)
+#define CCISS_POST_RESET_PAUSE_MSECS (3000)
+#define CCISS_POST_RESET_NOOP_INTERVAL_MSECS (1000)
+#define CCISS_POST_RESET_NOOP_RETRIES (12)
+
/*
Send the command to the hardware
*/
static void SA5_submit_command( ctlr_info_t *h, CommandList_struct *c)
{
#ifdef CCISS_DEBUG
- printk("Sending %x - down to controller\n", c->busaddr );
-#endif /* CCISS_DEBUG */
+ printk(KERN_WARNING "cciss%d: Sending %08x - down to controller\n",
+ h->ctlr, c->busaddr);
+#endif /* CCISS_DEBUG */
writel(c->busaddr, h->vaddr + SA5_REQUEST_PORT_OFFSET);
h->commands_outstanding++;
if ( h->commands_outstanding > h->max_outstanding)
@@ -214,6 +259,20 @@ static void SA5B_intr_mask(ctlr_info_t *h, unsigned long val)
h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
}
}
+
+/* Performant mode intr_mask */
+static void SA5_performant_intr_mask(ctlr_info_t *h, unsigned long val)
+{
+ if (val) { /* turn on interrupts */
+ h->interrupts_enabled = 1;
+ writel(0, h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ } else {
+ h->interrupts_enabled = 0;
+ writel(SA5_PERF_INTR_OFF,
+ h->vaddr + SA5_REPLY_INTR_MASK_OFFSET);
+ }
+}
+
/*
* Returns true if fifo is full.
*
@@ -250,10 +309,44 @@ static unsigned long SA5_completed(ctlr_info_t *h)
return ( register_value);
}
+
+/* Performant mode command completed */
+static unsigned long SA5_performant_completed(ctlr_info_t *h)
+{
+ unsigned long register_value = FIFO_EMPTY;
+
+ /* flush the controller write of the reply queue by reading
+ * outbound doorbell status register.
+ */
+ register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
+ /* msi auto clears the interrupt pending bit. */
+ if (!(h->msi_vector || h->msix_vector)) {
+ writel(SA5_OUTDB_CLEAR_PERF_BIT, h->vaddr + SA5_OUTDB_CLEAR);
+ /* Do a read in order to flush the write to the controller
+ * (as per spec.)
+ */
+ register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
+ }
+
+ if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) {
+ register_value = *(h->reply_pool_head);
+ (h->reply_pool_head)++;
+ h->commands_outstanding--;
+ } else {
+ register_value = FIFO_EMPTY;
+ }
+ /* Check for wraparound */
+ if (h->reply_pool_head == (h->reply_pool + h->max_commands)) {
+ h->reply_pool_head = h->reply_pool;
+ h->reply_pool_wraparound ^= 1;
+ }
+
+ return register_value;
+}
/*
* Returns true if an interrupt is pending..
*/
-static unsigned long SA5_intr_pending(ctlr_info_t *h)
+static bool SA5_intr_pending(ctlr_info_t *h)
{
unsigned long register_value =
readl(h->vaddr + SA5_INTR_STATUS);
@@ -268,7 +361,7 @@ static unsigned long SA5_intr_pending(ctlr_info_t *h)
/*
* Returns true if an interrupt is pending..
*/
-static unsigned long SA5B_intr_pending(ctlr_info_t *h)
+static bool SA5B_intr_pending(ctlr_info_t *h)
{
unsigned long register_value =
readl(h->vaddr + SA5_INTR_STATUS);
@@ -280,6 +373,20 @@ static unsigned long SA5B_intr_pending(ctlr_info_t *h)
return 0 ;
}
+static bool SA5_performant_intr_pending(ctlr_info_t *h)
+{
+ unsigned long register_value = readl(h->vaddr + SA5_INTR_STATUS);
+
+ if (!register_value)
+ return false;
+
+ if (h->msi_vector || h->msix_vector)
+ return true;
+
+ /* Read outbound doorbell to flush */
+ register_value = readl(h->vaddr + SA5_OUTDB_STATUS);
+ return register_value & SA5_OUTDB_STATUS_PERF_BIT;
+}
static struct access_method SA5_access = {
SA5_submit_command,
@@ -297,6 +404,14 @@ static struct access_method SA5B_access = {
SA5_completed,
};
+static struct access_method SA5_performant_access = {
+ SA5_submit_command,
+ SA5_performant_intr_mask,
+ SA5_fifo_full,
+ SA5_performant_intr_pending,
+ SA5_performant_completed,
+};
+
struct board_type {
__u32 board_id;
char *product_name;
@@ -304,6 +419,4 @@ struct board_type {
int nr_cmds; /* Max cmds this kind of ctlr can handle. */
};
-#define CCISS_LOCK(i) (&hba[i]->lock)
-
#endif /* CCISS_H */
diff --git a/drivers/block/cciss_cmd.h b/drivers/block/cciss_cmd.h
index e624ff959cb6..eb060f1b00b6 100644
--- a/drivers/block/cciss_cmd.h
+++ b/drivers/block/cciss_cmd.h
@@ -52,8 +52,10 @@
/* Configuration Table */
#define CFGTBL_ChangeReq 0x00000001l
#define CFGTBL_AccCmds 0x00000001l
+#define DOORBELL_CTLR_RESET 0x00000004l
#define CFGTBL_Trans_Simple 0x00000002l
+#define CFGTBL_Trans_Performant 0x00000004l
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l
@@ -173,12 +175,15 @@ typedef struct _SGDescriptor_struct {
* PAD_64 can be adjusted independently as needed for 32-bit
* and 64-bits systems.
*/
-#define COMMANDLIST_ALIGNMENT (8)
+#define COMMANDLIST_ALIGNMENT (32)
#define IS_64_BIT ((sizeof(long) - 4)/4)
#define IS_32_BIT (!IS_64_BIT)
#define PAD_32 (0)
#define PAD_64 (4)
#define PADSIZE (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
+#define DIRECT_LOOKUP_BIT 0x10
+#define DIRECT_LOOKUP_SHIFT 5
+
typedef struct _CommandList_struct {
CommandListHeader_struct Header;
RequestBlock_struct Request;
@@ -195,7 +200,7 @@ typedef struct _CommandList_struct {
struct completion *waiting;
int retry_count;
void * scsi_cmd;
- char pad[PADSIZE];
+ char pad[PADSIZE];
} CommandList_struct;
/* Configuration Table Structure */
@@ -209,12 +214,15 @@ typedef struct _HostWrite_struct {
typedef struct _CfgTable_struct {
BYTE Signature[4];
DWORD SpecValence;
+#define SIMPLE_MODE 0x02
+#define PERFORMANT_MODE 0x04
+#define MEMQ_MODE 0x08
DWORD TransportSupport;
DWORD TransportActive;
HostWrite_struct HostWrite;
DWORD CmdsOutMax;
DWORD BusTypes;
- DWORD Reserved;
+ DWORD TransMethodOffset;
BYTE ServerName[16];
DWORD HeartBeat;
DWORD SCSI_Prefetch;
@@ -222,6 +230,28 @@ typedef struct _CfgTable_struct {
DWORD MaxLogicalUnits;
DWORD MaxPhysicalDrives;
DWORD MaxPhysicalDrivesPerLogicalUnit;
+ DWORD MaxPerformantModeCommands;
+ u8 reserved[0x78 - 0x58];
+ u32 misc_fw_support; /* offset 0x78 */
+#define MISC_FW_DOORBELL_RESET (0x02)
} CfgTable_struct;
+
+struct TransTable_struct {
+ u32 BlockFetch0;
+ u32 BlockFetch1;
+ u32 BlockFetch2;
+ u32 BlockFetch3;
+ u32 BlockFetch4;
+ u32 BlockFetch5;
+ u32 BlockFetch6;
+ u32 BlockFetch7;
+ u32 RepQSize;
+ u32 RepQCount;
+ u32 RepQCtrAddrLow32;
+ u32 RepQCtrAddrHigh32;
+ u32 RepQAddr0Low32;
+ u32 RepQAddr0High32;
+};
+
#pragma pack()
#endif /* CCISS_CMD_H */
diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c
index 72dae92f3cab..575495f3c4b8 100644
--- a/drivers/block/cciss_scsi.c
+++ b/drivers/block/cciss_scsi.c
@@ -44,13 +44,15 @@
#define CCISS_ABORT_MSG 0x00
#define CCISS_RESET_MSG 0x01
-static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff,
+static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff,
size_t size,
__u8 page_code, unsigned char *scsi3addr,
int cmd_type);
-static CommandList_struct *cmd_alloc(ctlr_info_t *h, int get_from_pool);
-static void cmd_free(ctlr_info_t *h, CommandList_struct *c, int got_from_pool);
+static CommandList_struct *cmd_alloc(ctlr_info_t *h);
+static CommandList_struct *cmd_special_alloc(ctlr_info_t *h);
+static void cmd_free(ctlr_info_t *h, CommandList_struct *c);
+static void cmd_special_free(ctlr_info_t *h, CommandList_struct *c);
static int cciss_scsi_proc_info(
struct Scsi_Host *sh,
@@ -93,8 +95,8 @@ static struct scsi_host_template cciss_driver_template = {
#pragma pack(1)
-#define SCSI_PAD_32 0
-#define SCSI_PAD_64 0
+#define SCSI_PAD_32 8
+#define SCSI_PAD_64 8
struct cciss_scsi_cmd_stack_elem_t {
CommandList_struct cmd;
@@ -127,16 +129,16 @@ struct cciss_scsi_adapter_data_t {
spinlock_t lock; // to protect ccissscsi[ctlr];
};
-#define CPQ_TAPE_LOCK(ctlr, flags) spin_lock_irqsave( \
- &hba[ctlr]->scsi_ctlr->lock, flags);
-#define CPQ_TAPE_UNLOCK(ctlr, flags) spin_unlock_irqrestore( \
- &hba[ctlr]->scsi_ctlr->lock, flags);
+#define CPQ_TAPE_LOCK(h, flags) spin_lock_irqsave( \
+ &h->scsi_ctlr->lock, flags);
+#define CPQ_TAPE_UNLOCK(h, flags) spin_unlock_irqrestore( \
+ &h->scsi_ctlr->lock, flags);
static CommandList_struct *
scsi_cmd_alloc(ctlr_info_t *h)
{
/* assume only one process in here at a time, locking done by caller. */
- /* use CCISS_LOCK(ctlr) */
+ /* use h->lock */
/* might be better to rewrite how we allocate scsi commands in a way that */
/* needs no locking at all. */
@@ -177,10 +179,10 @@ scsi_cmd_alloc(ctlr_info_t *h)
}
static void
-scsi_cmd_free(ctlr_info_t *h, CommandList_struct *cmd)
+scsi_cmd_free(ctlr_info_t *h, CommandList_struct *c)
{
/* assume only one process in here at a time, locking done by caller. */
- /* use CCISS_LOCK(ctlr) */
+ /* use h->lock */
/* drop the free memory chunk on top of the stack. */
struct cciss_scsi_adapter_data_t *sa;
@@ -190,22 +192,23 @@ scsi_cmd_free(ctlr_info_t *h, CommandList_struct *cmd)
stk = &sa->cmd_stack;
stk->top++;
if (stk->top >= CMD_STACK_SIZE) {
- printk("cciss: scsi_cmd_free called too many times.\n");
+ dev_err(&h->pdev->dev,
+ "scsi_cmd_free called too many times.\n");
BUG();
}
- stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) cmd;
+ stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) c;
}
static int
-scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa)
+scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa)
{
int i;
struct cciss_scsi_cmd_stack_t *stk;
size_t size;
- sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[ctlr],
- hba[ctlr]->chainsize, CMD_STACK_SIZE);
- if (!sa->cmd_sg_list && hba[ctlr]->chainsize > 0)
+ sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(h,
+ h->chainsize, CMD_STACK_SIZE);
+ if (!sa->cmd_sg_list && h->chainsize > 0)
return -ENOMEM;
stk = &sa->cmd_stack;
@@ -215,7 +218,7 @@ scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa)
BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0);
/* pci_alloc_consistent guarantees 32-bit DMA address will be used */
stk->pool = (struct cciss_scsi_cmd_stack_elem_t *)
- pci_alloc_consistent(hba[ctlr]->pdev, size, &stk->cmd_pool_handle);
+ pci_alloc_consistent(h->pdev, size, &stk->cmd_pool_handle);
if (stk->pool == NULL) {
cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE);
@@ -234,23 +237,22 @@ scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa)
}
static void
-scsi_cmd_stack_free(int ctlr)
+scsi_cmd_stack_free(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t *sa;
struct cciss_scsi_cmd_stack_t *stk;
size_t size;
- sa = hba[ctlr]->scsi_ctlr;
+ sa = h->scsi_ctlr;
stk = &sa->cmd_stack;
if (stk->top != CMD_STACK_SIZE-1) {
- printk( "cciss: %d scsi commands are still outstanding.\n",
+ dev_warn(&h->pdev->dev,
+ "bug: %d scsi commands are still outstanding.\n",
CMD_STACK_SIZE - stk->top);
- // BUG();
- printk("WE HAVE A BUG HERE!!! stk=0x%p\n", stk);
}
size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * CMD_STACK_SIZE;
- pci_free_consistent(hba[ctlr]->pdev, size, stk->pool, stk->cmd_pool_handle);
+ pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle);
stk->pool = NULL;
cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE);
}
@@ -342,20 +344,20 @@ print_cmd(CommandList_struct *cp)
#endif
static int
-find_bus_target_lun(int ctlr, int *bus, int *target, int *lun)
+find_bus_target_lun(ctlr_info_t *h, int *bus, int *target, int *lun)
{
/* finds an unused bus, target, lun for a new device */
- /* assumes hba[ctlr]->scsi_ctlr->lock is held */
+ /* assumes h->scsi_ctlr->lock is held */
int i, found=0;
unsigned char target_taken[CCISS_MAX_SCSI_DEVS_PER_HBA];
memset(&target_taken[0], 0, CCISS_MAX_SCSI_DEVS_PER_HBA);
target_taken[SELF_SCSI_ID] = 1;
- for (i=0;i<ccissscsi[ctlr].ndevices;i++)
- target_taken[ccissscsi[ctlr].dev[i].target] = 1;
+ for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++)
+ target_taken[ccissscsi[h->ctlr].dev[i].target] = 1;
- for (i=0;i<CCISS_MAX_SCSI_DEVS_PER_HBA;i++) {
+ for (i = 0; i < CCISS_MAX_SCSI_DEVS_PER_HBA; i++) {
if (!target_taken[i]) {
*bus = 0; *target=i; *lun = 0; found=1;
break;
@@ -369,19 +371,19 @@ struct scsi2map {
};
static int
-cciss_scsi_add_entry(int ctlr, int hostno,
+cciss_scsi_add_entry(ctlr_info_t *h, int hostno,
struct cciss_scsi_dev_t *device,
struct scsi2map *added, int *nadded)
{
- /* assumes hba[ctlr]->scsi_ctlr->lock is held */
- int n = ccissscsi[ctlr].ndevices;
+ /* assumes h->scsi_ctlr->lock is held */
+ int n = ccissscsi[h->ctlr].ndevices;
struct cciss_scsi_dev_t *sd;
int i, bus, target, lun;
unsigned char addr1[8], addr2[8];
if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
- printk("cciss%d: Too many devices, "
- "some will be inaccessible.\n", ctlr);
+ dev_warn(&h->pdev->dev, "Too many devices, "
+ "some will be inaccessible.\n");
return -1;
}
@@ -397,7 +399,7 @@ cciss_scsi_add_entry(int ctlr, int hostno,
memcpy(addr1, device->scsi3addr, 8);
addr1[4] = 0;
for (i = 0; i < n; i++) {
- sd = &ccissscsi[ctlr].dev[i];
+ sd = &ccissscsi[h->ctlr].dev[i];
memcpy(addr2, sd->scsi3addr, 8);
addr2[4] = 0;
/* differ only in byte 4? */
@@ -410,9 +412,9 @@ cciss_scsi_add_entry(int ctlr, int hostno,
}
}
- sd = &ccissscsi[ctlr].dev[n];
+ sd = &ccissscsi[h->ctlr].dev[n];
if (lun == 0) {
- if (find_bus_target_lun(ctlr,
+ if (find_bus_target_lun(h,
&sd->bus, &sd->target, &sd->lun) != 0)
return -1;
} else {
@@ -431,37 +433,37 @@ cciss_scsi_add_entry(int ctlr, int hostno,
memcpy(sd->device_id, device->device_id, sizeof(sd->device_id));
sd->devtype = device->devtype;
- ccissscsi[ctlr].ndevices++;
+ ccissscsi[h->ctlr].ndevices++;
/* initially, (before registering with scsi layer) we don't
know our hostno and we don't want to print anything first
time anyway (the scsi la