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-rw-r--r--drivers/message/fusion/mptbase.c170
-rw-r--r--drivers/message/fusion/mptbase.h1
-rw-r--r--drivers/message/fusion/mptctl.c2
-rw-r--r--drivers/message/fusion/mptsas.c8
-rw-r--r--drivers/message/fusion/mptscsih.c6
5 files changed, 177 insertions, 10 deletions
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 5382b5a44aff..a4f023bd5d2b 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -5064,7 +5064,7 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
if (!timeleft) {
printk(KERN_DEBUG "%s: Issuing Reset from %s!!\n",
ioc->name, __func__);
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
goto out;
@@ -6456,7 +6456,7 @@ out:
issue_hard_reset = 0;
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
/* attempt one retry for a timed out command */
if (!retry_count) {
@@ -6904,6 +6904,172 @@ mpt_halt_firmware(MPT_ADAPTER *ioc)
}
EXPORT_SYMBOL(mpt_halt_firmware);
+/**
+ * mpt_SoftResetHandler - Issues a less expensive reset
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @sleepFlag: Indicates if sleep or schedule must be called.
+
+ *
+ * Returns 0 for SUCCESS or -1 if FAILED.
+ *
+ * Message Unit Reset - instructs the IOC to reset the Reply Post and
+ * Free FIFO's. All the Message Frames on Reply Free FIFO are discarded.
+ * All posted buffers are freed, and event notification is turned off.
+ * IOC doesnt reply to any outstanding request. This will transfer IOC
+ * to READY state.
+ **/
+int
+mpt_SoftResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
+{
+ int rc;
+ int ii;
+ u8 cb_idx;
+ unsigned long flags;
+ u32 ioc_state;
+ unsigned long time_count;
+
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SoftResetHandler Entered!\n",
+ ioc->name));
+
+ ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
+
+ if (mpt_fwfault_debug)
+ mpt_halt_firmware(ioc);
+
+ if (ioc_state == MPI_IOC_STATE_FAULT ||
+ ioc_state == MPI_IOC_STATE_RESET) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "skipping, either in FAULT or RESET state!\n", ioc->name));
+ return -1;
+ }
+
+ if (ioc->bus_type == FC) {
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "skipping, because the bus type is FC!\n", ioc->name));
+ return -1;
+ }
+
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->ioc_reset_in_progress) {
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ return -1;
+ }
+ ioc->ioc_reset_in_progress = 1;
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+ rc = -1;
+
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptResetHandlers[cb_idx])
+ mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
+ }
+
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ if (ioc->taskmgmt_in_progress) {
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ return -1;
+ }
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+ /* Disable reply interrupts (also blocks FreeQ) */
+ CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
+ ioc->active = 0;
+ time_count = jiffies;
+
+ rc = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
+
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptResetHandlers[cb_idx])
+ mpt_signal_reset(cb_idx, ioc, MPT_IOC_PRE_RESET);
+ }
+
+ if (rc)
+ goto out;
+
+ ioc_state = mpt_GetIocState(ioc, 0) & MPI_IOC_STATE_MASK;
+ if (ioc_state != MPI_IOC_STATE_READY)
+ goto out;
+
+ for (ii = 0; ii < 5; ii++) {
+ /* Get IOC facts! Allow 5 retries */
+ rc = GetIocFacts(ioc, sleepFlag,
+ MPT_HOSTEVENT_IOC_RECOVER);
+ if (rc == 0)
+ break;
+ if (sleepFlag == CAN_SLEEP)
+ msleep(100);
+ else
+ mdelay(100);
+ }
+ if (ii == 5)
+ goto out;
+
+ rc = PrimeIocFifos(ioc);
+ if (rc != 0)
+ goto out;
+
+ rc = SendIocInit(ioc, sleepFlag);
+ if (rc != 0)
+ goto out;
+
+ rc = SendEventNotification(ioc, 1, sleepFlag);
+ if (rc != 0)
+ goto out;
+
+ if (ioc->hard_resets < -1)
+ ioc->hard_resets++;
+
+ /*
+ * At this point, we know soft reset succeeded.
+ */
+
+ ioc->active = 1;
+ CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
+
+ out:
+ spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+ ioc->ioc_reset_in_progress = 0;
+ ioc->taskmgmt_quiesce_io = 0;
+ ioc->taskmgmt_in_progress = 0;
+ spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+ if (ioc->active) { /* otherwise, hard reset coming */
+ for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+ if (MptResetHandlers[cb_idx])
+ mpt_signal_reset(cb_idx, ioc,
+ MPT_IOC_POST_RESET);
+ }
+ }
+
+ dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+ "SoftResetHandler: completed (%d seconds): %s\n",
+ ioc->name, jiffies_to_msecs(jiffies - time_count)/1000,
+ ((rc == 0) ? "SUCCESS" : "FAILED")));
+
+ return rc;
+}
+
+/**
+ * mpt_Soft_Hard_ResetHandler - Try less expensive reset
+ * @ioc: Pointer to MPT_ADAPTER structure
+ * @sleepFlag: Indicates if sleep or schedule must be called.
+
+ *
+ * Returns 0 for SUCCESS or -1 if FAILED.
+ * Try for softreset first, only if it fails go for expensive
+ * HardReset.
+ **/
+int
+mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag) {
+ int ret = -1;
+
+ ret = mpt_SoftResetHandler(ioc, sleepFlag);
+ if (ret == 0)
+ return ret;
+ ret = mpt_HardResetHandler(ioc, sleepFlag);
+ return ret;
+}
+EXPORT_SYMBOL(mpt_Soft_Hard_ResetHandler);
+
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
/*
* Reset Handling
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 9718c8f2e959..e25dbfbb8fdf 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -940,6 +940,7 @@ extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
+extern int mpt_Soft_Hard_ResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
extern int mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index 80421d2cf049..e6d71e20fa09 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -311,7 +311,7 @@ mptctl_timeout_expired(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling HardReset! \n",
ioc->name));
CLEAR_MGMT_PENDING_STATUS(ioc->ioctl_cmds.status)
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 76687126b573..e5e9bf3487db 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -2041,7 +2041,7 @@ static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset)
if (!timeleft) {
/* On timeout reset the board */
mpt_free_msg_frame(ioc, mf);
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
error = -ETIMEDOUT;
goto out_unlock;
}
@@ -2226,7 +2226,7 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
if (!timeleft) {
printk(MYIOC_s_ERR_FMT "%s: smp timeout!\n", ioc->name, __func__);
/* On timeout reset the board */
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
ret = -ETIMEDOUT;
goto unmap;
}
@@ -2833,7 +2833,7 @@ mptsas_exp_repmanufacture_info(MPT_ADAPTER *ioc,
if (ioc->sas_mgmt.status & MPT_MGMT_STATUS_DID_IOCRESET)
goto out_free;
if (!timeleft)
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
goto out_free;
}
@@ -4717,7 +4717,7 @@ mptsas_broadcast_primative_work(struct fw_event_work *fw_event)
if (issue_reset) {
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
}
mptsas_free_fw_event(ioc, fw_event);
}
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 6796597dcee0..929d584855d2 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1711,7 +1711,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
if (issue_hard_reset) {
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
- retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
+ retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
@@ -1991,7 +1991,7 @@ mptscsih_host_reset(struct scsi_cmnd *SCpnt)
/* If our attempts to reset the host failed, then return a failed
* status. The host will be taken off line by the SCSI mid-layer.
*/
- retval = mpt_HardResetHandler(ioc, CAN_SLEEP);
+ retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
if (retval < 0)
status = FAILED;
else
@@ -3040,7 +3040,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
if (!timeleft) {
printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
ioc->name, __func__);
- mpt_HardResetHandler(ioc, CAN_SLEEP);
+ mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
mpt_free_msg_frame(ioc, mf);
}
goto out;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 20:09:00 +0100