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path: root/drivers/message/fusion/mptsas.c
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Diffstat (limited to 'drivers/message/fusion/mptsas.c')
-rw-r--r--drivers/message/fusion/mptsas.c278
1 files changed, 248 insertions, 30 deletions
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index ac000e83db0e..83a5115f0251 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -57,6 +57,7 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_sas.h>
+#include <scsi/scsi_transport.h>
#include <scsi/scsi_dbg.h>
#include "mptbase.h"
@@ -126,6 +127,7 @@ static void mptsas_scan_sas_topology(MPT_ADAPTER *ioc);
static void mptsas_broadcast_primative_work(struct fw_event_work *fw_event);
static void mptsas_handle_queue_full_event(struct fw_event_work *fw_event);
static void mptsas_volume_delete(MPT_ADAPTER *ioc, u8 id);
+void mptsas_schedule_target_reset(void *ioc);
static void mptsas_print_phy_data(MPT_ADAPTER *ioc,
MPI_SAS_IO_UNIT0_PHY_DATA *phy_data)
@@ -1139,6 +1141,44 @@ mptsas_target_reset_queue(MPT_ADAPTER *ioc,
}
/**
+ * mptsas_schedule_target_reset- send pending target reset
+ * @iocp: per adapter object
+ *
+ * This function will delete scheduled target reset from the list and
+ * try to send next target reset. This will be called from completion
+ * context of any Task managment command.
+ */
+
+void
+mptsas_schedule_target_reset(void *iocp)
+{
+ MPT_ADAPTER *ioc = (MPT_ADAPTER *)(iocp);
+ MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+ struct list_head *head = &hd->target_reset_list;
+ struct mptsas_target_reset_event *target_reset_list;
+ u8 id, channel;
+ /*
+ * issue target reset to next device in the queue
+ */
+
+ head = &hd->target_reset_list;
+ if (list_empty(head))
+ return;
+
+ target_reset_list = list_entry(head->next,
+ struct mptsas_target_reset_event, list);
+
+ id = target_reset_list->sas_event_data.TargetID;
+ channel = target_reset_list->sas_event_data.Bus;
+ target_reset_list->time_count = jiffies;
+
+ if (mptsas_target_reset(ioc, channel, id))
+ target_reset_list->target_reset_issued = 1;
+ return;
+}
+
+
+/**
* mptsas_taskmgmt_complete - complete SAS task management function
* @ioc: Pointer to MPT_ADAPTER structure
*
@@ -1222,28 +1262,12 @@ mptsas_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
* enable work queue to remove device from upper layers
*/
list_del(&target_reset_list->list);
- if ((mptsas_find_vtarget(ioc, channel, id)) && !ioc->fw_events_off)
+ if (!ioc->fw_events_off)
mptsas_queue_device_delete(ioc,
&target_reset_list->sas_event_data);
- /*
- * issue target reset to next device in the queue
- */
-
- head = &hd->target_reset_list;
- if (list_empty(head))
- return 1;
-
- target_reset_list = list_entry(head->next, struct mptsas_target_reset_event,
- list);
-
- id = target_reset_list->sas_event_data.TargetID;
- channel = target_reset_list->sas_event_data.Bus;
- target_reset_list->time_count = jiffies;
-
- if (mptsas_target_reset(ioc, channel, id))
- target_reset_list->target_reset_issued = 1;
+ ioc->schedule_target_reset(ioc);
return 1;
}
@@ -1889,6 +1913,48 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
return mptscsih_qcmd(SCpnt,done);
}
+/**
+ * mptsas_mptsas_eh_timed_out - resets the scsi_cmnd timeout
+ * if the device under question is currently in the
+ * device removal delay.
+ * @sc: scsi command that the midlayer is about to time out
+ *
+ **/
+static enum blk_eh_timer_return mptsas_eh_timed_out(struct scsi_cmnd *sc)
+{
+ MPT_SCSI_HOST *hd;
+ MPT_ADAPTER *ioc;
+ VirtDevice *vdevice;
+ enum blk_eh_timer_return rc = BLK_EH_NOT_HANDLED;
+
+ hd = shost_priv(sc->device->host);
+ if (hd == NULL) {
+ printk(KERN_ERR MYNAM ": %s: Can't locate host! (sc=%p)\n",
+ __func__, sc);
+ goto done;
+ }
+
+ ioc = hd->ioc;
+ if (ioc->bus_type != SAS) {
+ printk(KERN_ERR MYNAM ": %s: Wrong bus type (sc=%p)\n",
+ __func__, sc);
+ goto done;
+ }
+
+ vdevice = sc->device->hostdata;
+ if (vdevice && vdevice->vtarget && (vdevice->vtarget->inDMD
+ || vdevice->vtarget->deleted)) {
+ dtmprintk(ioc, printk(MYIOC_s_WARN_FMT ": %s: target removed "
+ "or in device removal delay (sc=%p)\n",
+ ioc->name, __func__, sc));
+ rc = BLK_EH_RESET_TIMER;
+ goto done;
+ }
+
+done:
+ return rc;
+}
+
static struct scsi_host_template mptsas_driver_template = {
.module = THIS_MODULE,
@@ -2364,7 +2430,7 @@ mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
SasIOUnitPage1_t *buffer;
dma_addr_t dma_handle;
int error;
- u16 device_missing_delay;
+ u8 device_missing_delay;
memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
memset(&cfg, 0, sizeof(CONFIGPARMS));
@@ -2401,7 +2467,7 @@ mptsas_sas_io_unit_pg1(MPT_ADAPTER *ioc)
ioc->io_missing_delay =
le16_to_cpu(buffer->IODeviceMissingDelay);
- device_missing_delay = le16_to_cpu(buffer->ReportDeviceMissingDelay);
+ device_missing_delay = buffer->ReportDeviceMissingDelay;
ioc->device_missing_delay = (device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_UNIT_16) ?
(device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16 :
device_missing_delay & MPI_SAS_IOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
@@ -2549,6 +2615,7 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
device_info->sas_address = le64_to_cpu(sas_address);
device_info->device_info =
le32_to_cpu(buffer->DeviceInfo);
+ device_info->flags = le16_to_cpu(buffer->Flags);
out_free_consistent:
pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
@@ -2960,6 +3027,7 @@ static int mptsas_probe_one_phy(struct device *dev,
struct sas_phy *phy;
struct sas_port *port;
int error = 0;
+ VirtTarget *vtarget;
if (!dev) {
error = -ENODEV;
@@ -3182,6 +3250,16 @@ static int mptsas_probe_one_phy(struct device *dev,
rphy_to_expander_device(rphy));
}
+ /* If the device exists,verify it wasn't previously flagged
+ as a missing device. If so, clear it */
+ vtarget = mptsas_find_vtarget(ioc,
+ phy_info->attached.channel,
+ phy_info->attached.id);
+ if (vtarget && vtarget->inDMD) {
+ printk(KERN_INFO "Device returned, unsetting inDMD\n");
+ vtarget->inDMD = 0;
+ }
+
out:
return error;
}
@@ -3635,9 +3713,42 @@ mptsas_send_link_status_event(struct fw_event_work *fw_event)
MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION)
phy_info->phy->negotiated_linkrate =
SAS_LINK_RATE_FAILED;
- else
+ else {
phy_info->phy->negotiated_linkrate =
SAS_LINK_RATE_UNKNOWN;
+ if (ioc->device_missing_delay &&
+ mptsas_is_end_device(&phy_info->attached)) {
+ struct scsi_device *sdev;
+ VirtDevice *vdevice;
+ u8 channel, id;
+ id = phy_info->attached.id;
+ channel = phy_info->attached.channel;
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Link down for fw_id %d:fw_channel %d\n",
+ ioc->name, phy_info->attached.id,
+ phy_info->attached.channel));
+
+ shost_for_each_device(sdev, ioc->sh) {
+ vdevice = sdev->hostdata;
+ if ((vdevice == NULL) ||
+ (vdevice->vtarget == NULL))
+ continue;
+ if ((vdevice->vtarget->tflags &
+ MPT_TARGET_FLAGS_RAID_COMPONENT ||
+ vdevice->vtarget->raidVolume))
+ continue;
+ if (vdevice->vtarget->id == id &&
+ vdevice->vtarget->channel ==
+ channel)
+ devtprintk(ioc,
+ printk(MYIOC_s_DEBUG_FMT
+ "SDEV OUTSTANDING CMDS"
+ "%d\n", ioc->name,
+ sdev->device_busy));
+ }
+
+ }
+ }
}
out:
mptsas_free_fw_event(ioc, fw_event);
@@ -3840,6 +3951,13 @@ mptsas_probe_devices(MPT_ADAPTER *ioc)
MPI_SAS_DEVICE_INFO_SATA_DEVICE)) == 0)
continue;
+ /* If there is no FW B_T mapping for this device then continue
+ * */
+ if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
+ || !(sas_device.flags &
+ MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
+ continue;
+
phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
if (!phy_info)
continue;
@@ -4149,6 +4267,14 @@ mptsas_adding_inactive_raid_components(MPT_ADAPTER *ioc, u8 channel, u8 id)
phys_disk.PhysDiskID))
continue;
+ /* If there is no FW B_T mapping for this device then continue
+ * */
+ if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
+ || !(sas_device.flags &
+ MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
+ continue;
+
+
phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
sas_device.sas_address);
mptsas_add_end_device(ioc, phy_info);
@@ -4171,6 +4297,7 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
struct mptsas_devinfo sas_device;
VirtTarget *vtarget;
int i;
+ struct mptsas_portinfo *port_info;
switch (hot_plug_info->event_type) {
@@ -4199,12 +4326,47 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
(hot_plug_info->channel << 8) +
hot_plug_info->id);
+ /* If there is no FW B_T mapping for this device then break
+ * */
+ if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
+ || !(sas_device.flags &
+ MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
+ break;
+
if (!sas_device.handle)
return;
phy_info = mptsas_refreshing_device_handles(ioc, &sas_device);
- if (!phy_info)
+ /* Only For SATA Device ADD */
+ if (!phy_info && (sas_device.device_info &
+ MPI_SAS_DEVICE_INFO_SATA_DEVICE)) {
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "%s %d SATA HOT PLUG: "
+ "parent handle of device %x\n", ioc->name,
+ __func__, __LINE__, sas_device.handle_parent));
+ port_info = mptsas_find_portinfo_by_handle(ioc,
+ sas_device.handle_parent);
+
+ if (port_info == ioc->hba_port_info)
+ mptsas_probe_hba_phys(ioc);
+ else if (port_info)
+ mptsas_expander_refresh(ioc, port_info);
+ else {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s %d port info is NULL\n",
+ ioc->name, __func__, __LINE__));
+ break;
+ }
+ phy_info = mptsas_refreshing_device_handles
+ (ioc, &sas_device);
+ }
+
+ if (!phy_info) {
+ dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
+ "%s %d phy info is NULL\n",
+ ioc->name, __func__, __LINE__));
break;
+ }
if (mptsas_get_rphy(phy_info))
break;
@@ -4241,6 +4403,13 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
break;
}
+ /* If there is no FW B_T mapping for this device then break
+ * */
+ if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
+ || !(sas_device.flags &
+ MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
+ break;
+
phy_info = mptsas_find_phyinfo_by_sas_address(
ioc, sas_device.sas_address);
@@ -4294,6 +4463,13 @@ mptsas_hotplug_work(MPT_ADAPTER *ioc, struct fw_event_work *fw_event,
break;
}
+ /* If there is no FW B_T mapping for this device then break
+ * */
+ if (!(sas_device.flags & MPI_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)
+ || !(sas_device.flags &
+ MPI_SAS_DEVICE0_FLAGS_DEVICE_MAPPED))
+ break;
+
phy_info = mptsas_find_phyinfo_by_sas_address(ioc,
sas_device.sas_address);
if (!phy_info) {
@@ -4727,8 +4903,9 @@ mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
mutex_unlock(&ioc->taskmgmt_cmds.mutex);
if (issue_reset) {
- printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
- ioc->name, __func__);
+ printk(MYIOC_s_WARN_FMT
+ "Issuing Reset from %s!! doorbell=0x%08x\n",
+ ioc->name, __func__, mpt_GetIocState(ioc, 0));
mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
}
mptsas_free_fw_event(ioc, fw_event);
@@ -4816,12 +4993,47 @@ mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
{
EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data =
(EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data;
+ u16 ioc_stat;
+ ioc_stat = le16_to_cpu(reply->IOCStatus);
if (sas_event_data->ReasonCode ==
MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING) {
mptsas_target_reset_queue(ioc, sas_event_data);
return 0;
}
+ if (sas_event_data->ReasonCode ==
+ MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
+ ioc->device_missing_delay &&
+ (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)) {
+ VirtTarget *vtarget = NULL;
+ u8 id, channel;
+ u32 log_info = le32_to_cpu(reply->IOCLogInfo);
+
+ id = sas_event_data->TargetID;
+ channel = sas_event_data->Bus;
+
+ vtarget = mptsas_find_vtarget(ioc, channel, id);
+ if (vtarget) {
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "LogInfo (0x%x) available for "
+ "INTERNAL_DEVICE_RESET"
+ "fw_id %d fw_channel %d\n", ioc->name,
+ log_info, id, channel));
+ if (vtarget->raidVolume) {
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Skipping Raid Volume for inDMD\n",
+ ioc->name));
+ } else {
+ devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "Setting device flag inDMD\n",
+ ioc->name));
+ vtarget->inDMD = 1;
+ }
+
+ }
+
+ }
+
break;
}
case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
@@ -4924,7 +5136,7 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->DoneCtx = mptsasDoneCtx;
ioc->TaskCtx = mptsasTaskCtx;
ioc->InternalCtx = mptsasInternalCtx;
-
+ ioc->schedule_target_reset = &mptsas_schedule_target_reset;
/* Added sanity check on readiness of the MPT adapter.
*/
if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
@@ -5154,14 +5366,20 @@ mptsas_init(void)
sas_attach_transport(&mptsas_transport_functions);
if (!mptsas_transport_template)
return -ENODEV;
+ mptsas_transport_template->eh_timed_out = mptsas_eh_timed_out;
- mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER);
- mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER);
+ mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER,
+ "mptscsih_io_done");
+ mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER,
+ "mptscsih_taskmgmt_complete");
mptsasInternalCtx =
- mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER);
- mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER);
+ mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER,
+ "mptscsih_scandv_complete");
+ mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER,
+ "mptsas_mgmt_done");
mptsasDeviceResetCtx =
- mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER);
+ mpt_register(mptsas_taskmgmt_complete, MPTSAS_DRIVER,
+ "mptsas_taskmgmt_complete");
mpt_event_register(mptsasDoneCtx, mptsas_event_process);
mpt_reset_register(mptsasDoneCtx, mptsas_ioc_reset);