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-rw-r--r--drivers/scsi/ipr.c59
-rw-r--r--drivers/scsi/ipr.h2
2 files changed, 52 insertions, 9 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 8d364f2..fa2cb358 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -4884,6 +4884,51 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
}
/**
+ * ipr_reset_cmd_failed - Handle failure of IOA reset command
+ * @ipr_cmd: ipr command struct
+ *
+ * This function handles the failure of an IOA bringup command.
+ *
+ * Return value:
+ * IPR_RC_JOB_RETURN
+ **/
+static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
+{
+ struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+ u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+
+ dev_err(&ioa_cfg->pdev->dev,
+ "0x%02X failed with IOASC: 0x%08X\n",
+ ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc);
+
+ ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+ list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
+ return IPR_RC_JOB_RETURN;
+}
+
+/**
+ * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense
+ * @ipr_cmd: ipr command struct
+ *
+ * This function handles the failure of a Mode Sense to the IOAFP.
+ * Some adapters do not handle all mode pages.
+ *
+ * Return value:
+ * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
+ **/
+static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd)
+{
+ u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+
+ if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
+ ipr_cmd->job_step = ipr_setup_write_cache;
+ return IPR_RC_JOB_CONTINUE;
+ }
+
+ return ipr_reset_cmd_failed(ipr_cmd);
+}
+
+/**
* ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA
* @ipr_cmd: ipr command struct
*
@@ -4904,6 +4949,7 @@ static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd)
sizeof(struct ipr_mode_pages));
ipr_cmd->job_step = ipr_ioafp_mode_select_page28;
+ ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed;
ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT);
@@ -5716,7 +5762,6 @@ static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd)
static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd)
{
u32 rc, ioasc;
- unsigned long scratch = ipr_cmd->u.scratch;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
do {
@@ -5732,17 +5777,13 @@ static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd)
}
if (IPR_IOASC_SENSE_KEY(ioasc)) {
- dev_err(&ioa_cfg->pdev->dev,
- "0x%02X failed with IOASC: 0x%08X\n",
- ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc);
-
- ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
- return;
+ rc = ipr_cmd->job_step_failed(ipr_cmd);
+ if (rc == IPR_RC_JOB_RETURN)
+ return;
}
ipr_reinit_ipr_cmnd(ipr_cmd);
- ipr_cmd->u.scratch = scratch;
+ ipr_cmd->job_step_failed = ipr_reset_cmd_failed;
rc = ipr_cmd->job_step(ipr_cmd);
} while(rc == IPR_RC_JOB_CONTINUE);
}
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 2f18284..637b891 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -84,6 +84,7 @@
#define IPR_IOASC_HW_DEV_BUS_STATUS 0x04448500
#define IPR_IOASC_IOASC_MASK 0xFFFFFF00
#define IPR_IOASC_SCSI_STATUS_MASK 0x000000FF
+#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT 0x05240000
#define IPR_IOASC_IR_RESOURCE_HANDLE 0x05250000
#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA 0x05258100
#define IPR_IOASA_IR_DUAL_IOA_DISABLED 0x052C8000
@@ -1031,6 +1032,7 @@ struct ipr_cmnd {
struct timer_list timer;
void (*done) (struct ipr_cmnd *);
int (*job_step) (struct ipr_cmnd *);
+ int (*job_step_failed) (struct ipr_cmnd *);
u16 cmd_index;
u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
dma_addr_t sense_buffer_dma;
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