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-rw-r--r--drivers/message/fusion/mptbase.h2
-rw-r--r--drivers/message/fusion/mptsas.c125
-rw-r--r--drivers/message/fusion/mptscsih.c40
3 files changed, 157 insertions, 10 deletions
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 0d149c82..7f31973 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -396,6 +396,8 @@ typedef struct _VirtTarget {
u8 raidVolume; /* set, if RAID Volume */
u8 type; /* byte 0 of Inquiry data */
u8 deleted; /* target in process of being removed */
+ u8 inDMD; /* currently in the device
+ removal delay timer */
u32 num_luns;
} VirtTarget;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index f705a23..235113a 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"
@@ -1912,6 +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,
@@ -2984,6 +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;
@@ -3206,6 +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;
}
@@ -3659,9 +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);
@@ -4906,12 +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:
@@ -5244,6 +5366,7 @@ 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);
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index dceb67a..59b8f53 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -664,6 +664,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
u32 log_info;
status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+
scsi_state = pScsiReply->SCSIState;
scsi_status = pScsiReply->SCSIStatus;
xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
@@ -738,15 +739,36 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
if ( ioc->bus_type == SAS ) {
- u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
- if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
- if ((log_info & SAS_LOGINFO_MASK)
- == SAS_LOGINFO_NEXUS_LOSS) {
- sc->result =
- (DID_TRANSPORT_DISRUPTED
- << 16);
- break;
- }
+ u16 ioc_status =
+ le16_to_cpu(pScsiReply->IOCStatus);
+ if ((ioc_status &
+ MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
+ &&
+ ((log_info & SAS_LOGINFO_MASK) ==
+ SAS_LOGINFO_NEXUS_LOSS)) {
+ VirtDevice *vdevice =
+ sc->device->hostdata;
+
+ /* flag the device as being in
+ * device removal delay so we can
+ * notify the midlayer to hold off
+ * on timeout eh */
+ if (vdevice && vdevice->
+ vtarget &&
+ vdevice->vtarget->
+ raidVolume)
+ printk(KERN_INFO
+ "Skipping Raid Volume"
+ "for inDMD\n");
+ else if (vdevice &&
+ vdevice->vtarget)
+ vdevice->vtarget->
+ inDMD = 1;
+
+ sc->result =
+ (DID_TRANSPORT_DISRUPTED
+ << 16);
+ break;
}
} else if (ioc->bus_type == FC) {
/*
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