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-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c26
-rw-r--r--arch/powerpc/platforms/Kconfig1
-rw-r--r--arch/powerpc/sysdev/axonram.c45
-rw-r--r--arch/x86/hyperv/hv_init.c2
-rw-r--r--arch/x86/include/asm/pmem.h5
-rw-r--r--arch/x86/include/asm/string_64.h1
-rw-r--r--arch/x86/include/uapi/asm/hyperv.h7
7 files changed, 68 insertions, 19 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 8a5b6f059498..55b186ef863a 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -210,6 +210,28 @@ static struct ep93xx_eth_data __initdata ts72xx_eth_data = {
.phy_id = 1,
};
+#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
+
+/* Relative to EP93XX_CS1_PHYS_BASE */
+#define TS73XX_FPGA_LOADER_BASE 0x03c00000
+
+static struct resource ts73xx_fpga_resources[] = {
+ {
+ .start = EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE,
+ .end = EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE + 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ts73xx_fpga_device = {
+ .name = "ts73xx-fpga-mgr",
+ .id = -1,
+ .resource = ts73xx_fpga_resources,
+ .num_resources = ARRAY_SIZE(ts73xx_fpga_resources),
+};
+
+#endif
+
static void __init ts72xx_init_machine(void)
{
ep93xx_init_devices();
@@ -218,6 +240,10 @@ static void __init ts72xx_init_machine(void)
platform_device_register(&ts72xx_wdt_device);
ep93xx_register_eth(&ts72xx_eth_data, 1);
+#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
+ if (board_is_ts7300())
+ platform_device_register(&ts73xx_fpga_device);
+#endif
}
MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index 7e3a2ebba29b..33244e3d9375 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -284,6 +284,7 @@ config CPM2
config AXON_RAM
tristate "Axon DDR2 memory device driver"
depends on PPC_IBM_CELL_BLADE && BLOCK
+ select DAX
default m
help
It registers one block device per Axon's DDR2 memory bank found
diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c
index f523ac883150..a7fe5fee744f 100644
--- a/arch/powerpc/sysdev/axonram.c
+++ b/arch/powerpc/sysdev/axonram.c
@@ -25,6 +25,7 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/dax.h>
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/fs.h>
@@ -62,6 +63,7 @@ static int azfs_major, azfs_minor;
struct axon_ram_bank {
struct platform_device *device;
struct gendisk *disk;
+ struct dax_device *dax_dev;
unsigned int irq_id;
unsigned long ph_addr;
unsigned long io_addr;
@@ -137,25 +139,32 @@ axon_ram_make_request(struct request_queue *queue, struct bio *bio)
return BLK_QC_T_NONE;
}
-/**
- * axon_ram_direct_access - direct_access() method for block device
- * @device, @sector, @data: see block_device_operations method
- */
+static const struct block_device_operations axon_ram_devops = {
+ .owner = THIS_MODULE,
+};
+
static long
-axon_ram_direct_access(struct block_device *device, sector_t sector,
- void **kaddr, pfn_t *pfn, long size)
+__axon_ram_direct_access(struct axon_ram_bank *bank, pgoff_t pgoff, long nr_pages,
+ void **kaddr, pfn_t *pfn)
{
- struct axon_ram_bank *bank = device->bd_disk->private_data;
- loff_t offset = (loff_t)sector << AXON_RAM_SECTOR_SHIFT;
+ resource_size_t offset = pgoff * PAGE_SIZE;
*kaddr = (void *) bank->io_addr + offset;
*pfn = phys_to_pfn_t(bank->ph_addr + offset, PFN_DEV);
- return bank->size - offset;
+ return (bank->size - offset) / PAGE_SIZE;
}
-static const struct block_device_operations axon_ram_devops = {
- .owner = THIS_MODULE,
- .direct_access = axon_ram_direct_access
+static long
+axon_ram_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
+ void **kaddr, pfn_t *pfn)
+{
+ struct axon_ram_bank *bank = dax_get_private(dax_dev);
+
+ return __axon_ram_direct_access(bank, pgoff, nr_pages, kaddr, pfn);
+}
+
+static const struct dax_operations axon_ram_dax_ops = {
+ .direct_access = axon_ram_dax_direct_access,
};
/**
@@ -219,6 +228,7 @@ static int axon_ram_probe(struct platform_device *device)
goto failed;
}
+
bank->disk->major = azfs_major;
bank->disk->first_minor = azfs_minor;
bank->disk->fops = &axon_ram_devops;
@@ -227,6 +237,13 @@ static int axon_ram_probe(struct platform_device *device)
sprintf(bank->disk->disk_name, "%s%d",
AXON_RAM_DEVICE_NAME, axon_ram_bank_id);
+ bank->dax_dev = alloc_dax(bank, bank->disk->disk_name,
+ &axon_ram_dax_ops);
+ if (!bank->dax_dev) {
+ rc = -ENOMEM;
+ goto failed;
+ }
+
bank->disk->queue = blk_alloc_queue(GFP_KERNEL);
if (bank->disk->queue == NULL) {
dev_err(&device->dev, "Cannot register disk queue\n");
@@ -278,6 +295,8 @@ failed:
del_gendisk(bank->disk);
put_disk(bank->disk);
}
+ kill_dax(bank->dax_dev);
+ put_dax(bank->dax_dev);
device->dev.platform_data = NULL;
if (bank->io_addr != 0)
iounmap((void __iomem *) bank->io_addr);
@@ -300,6 +319,8 @@ axon_ram_remove(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_ecc);
free_irq(bank->irq_id, device);
+ kill_dax(bank->dax_dev);
+ put_dax(bank->dax_dev);
del_gendisk(bank->disk);
put_disk(bank->disk);
iounmap((void __iomem *) bank->io_addr);
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index 8bef70e7f3cc..ecaa3f3b1923 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -25,7 +25,7 @@
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/clockchips.h>
-
+#include <linux/hyperv.h>
#ifdef CONFIG_X86_64
diff --git a/arch/x86/include/asm/pmem.h b/arch/x86/include/asm/pmem.h
index 529bb4a6487a..d5a22bac9988 100644
--- a/arch/x86/include/asm/pmem.h
+++ b/arch/x86/include/asm/pmem.h
@@ -44,11 +44,6 @@ static inline void arch_memcpy_to_pmem(void *dst, const void *src, size_t n)
BUG();
}
-static inline int arch_memcpy_from_pmem(void *dst, const void *src, size_t n)
-{
- return memcpy_mcsafe(dst, src, n);
-}
-
/**
* arch_wb_cache_pmem - write back a cache range with CLWB
* @vaddr: virtual start address
diff --git a/arch/x86/include/asm/string_64.h b/arch/x86/include/asm/string_64.h
index a164862d77e3..733bae07fb29 100644
--- a/arch/x86/include/asm/string_64.h
+++ b/arch/x86/include/asm/string_64.h
@@ -79,6 +79,7 @@ int strcmp(const char *cs, const char *ct);
#define memset(s, c, n) __memset(s, c, n)
#endif
+#define __HAVE_ARCH_MEMCPY_MCSAFE 1
__must_check int memcpy_mcsafe_unrolled(void *dst, const void *src, size_t cnt);
DECLARE_STATIC_KEY_FALSE(mcsafe_key);
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 3a20ccf787b8..432df4b1baec 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -124,7 +124,7 @@
* Recommend using hypercall for address space switches rather
* than MOV to CR3 instruction
*/
-#define HV_X64_MWAIT_RECOMMENDED (1 << 0)
+#define HV_X64_AS_SWITCH_RECOMMENDED (1 << 0)
/* Recommend using hypercall for local TLB flushes rather
* than INVLPG or MOV to CR3 instructions */
#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1)
@@ -148,6 +148,11 @@
#define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5)
/*
+ * Virtual APIC support
+ */
+#define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9)
+
+/*
* Crash notification flag.
*/
#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-30 17:53:36 +0000