@@ -1495,7 +1495,8 @@ struct megasas_ctrl_info {
#define MEGASAS_FW_BUSY 1
/* Driver's internal Logging levels*/
-#define OCR_LOGS (1 << 0)
+#define OCR_DEBUG (1 << 0)
+#define TM_DEBUG (1 << 1)
#define SCAN_PD_CHANNEL 0x1
#define SCAN_VD_CHANNEL 0x2
@@ -2647,4 +2648,5 @@ int megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
bool do_adp_reset,
int ocr_context);
int megasas_irqpoll(struct irq_poll *irqpoll, int budget);
+void megasas_dump_fusion_io(struct scsi_cmnd *scmd);
#endif /*LSI_MEGARAID_SAS_H */
@@ -55,6 +55,7 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_dbg.h>
#include "megaraid_sas_fusion.h"
#include "megaraid_sas.h"
@@ -2833,23 +2834,63 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
}
/**
- * megasas_dump_frame - This function will dump MPT/MFI frame
+ * megasas_dump - This function will provide hexdump
+ * @ptr: Pointer starting which memory should be dumped
+ * @size: Size of memory to be dumped
*/
-static inline void
-megasas_dump_frame(void *mpi_request, int sz)
+inline void
+megasas_dump(void *ptr, int sz)
{
int i;
- __le32 *mfp = (__le32 *)mpi_request;
+ __le32 *loc = (__le32 *)ptr;
- printk(KERN_INFO "IO request frame:\n\t");
for (i = 0; i < sz / sizeof(__le32); i++) {
if (i && ((i % 8) == 0))
printk("\n\t");
- printk("%08x ", le32_to_cpu(mfp[i]));
+ printk("%08x ", le32_to_cpu(loc[i]));
}
printk("\n");
}
+/**
+ * megasas_dump_fusion_io - This function will print key details
+ * of SCSI IO
+ * @scmd: SCSI command pointer of SCSI IO
+ */
+void
+megasas_dump_fusion_io(struct scsi_cmnd *scmd)
+{
+ struct megasas_cmd_fusion *cmd;
+ union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
+ struct megasas_instance *instance;
+
+ cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr;
+ instance = (struct megasas_instance *)scmd->device->host->hostdata;
+
+ scmd_printk(KERN_INFO, scmd,
+ "scmd: (0x%p) retries: 0x%x allowed: 0x%x\n",
+ scmd, scmd->retries, scmd->allowed);
+ scsi_print_command(scmd);
+
+ if (cmd) {
+ req_desc = (union MEGASAS_REQUEST_DESCRIPTOR_UNION *)cmd->request_desc;
+ scmd_printk(KERN_INFO, scmd, "Request descriptor details:\n");
+ scmd_printk(KERN_INFO, scmd,
+ "RequestFlags:0x%x MSIxIndex:0x%x SMID:0x%x LMID:0x%x DevHandle:0x%x\n",
+ req_desc->SCSIIO.RequestFlags,
+ req_desc->SCSIIO.MSIxIndex, req_desc->SCSIIO.SMID,
+ req_desc->SCSIIO.LMID, req_desc->SCSIIO.DevHandle);
+
+ printk(KERN_INFO "IO request frame:\n");
+ megasas_dump(cmd->io_request,
+ MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
+ printk(KERN_INFO "Chain frame:\n");
+ megasas_dump(cmd->sg_frame,
+ instance->max_chain_frame_sz);
+ }
+
+}
+
/**
* megasas_reset_bus_host - Bus & host reset handler entry point
*/
@@ -2861,24 +2902,20 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
instance = (struct megasas_instance *)scmd->device->host->hostdata;
scmd_printk(KERN_INFO, scmd,
- "Controller reset is requested due to IO timeout\n"
- "SCSI command pointer: (%p)\t SCSI host state: %d\t"
- " SCSI host busy: %d\t FW outstanding: %d\n",
- scmd, scmd->device->host->shost_state,
+ "OCR is requested due to IO timeout!!\n");
+
+ scmd_printk(KERN_INFO, scmd,
+ "SCSI host state: %d SCSI host busy: %d FW outstanding: %d\n",
+ scmd->device->host->shost_state,
scsi_host_busy(scmd->device->host),
atomic_read(&instance->fw_outstanding));
-
/*
* First wait for all commands to complete
*/
if (instance->adapter_type == MFI_SERIES) {
ret = megasas_generic_reset(scmd);
} else {
- struct megasas_cmd_fusion *cmd;
- cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr;
- if (cmd)
- megasas_dump_frame(cmd->io_request,
- MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
+ megasas_dump_fusion_io(scmd);
ret = megasas_reset_fusion(scmd->device->host,
SCSIIO_TIMEOUT_OCR);
}
@@ -122,7 +122,7 @@ megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
* Block access to PCI config space from userspace
* when diag reset is initiated from driver
*/
- if (megasas_dbg_lvl & OCR_LOGS)
+ if (megasas_dbg_lvl & OCR_DEBUG)
dev_info(&instance->pdev->dev,
"Block access to PCI config space %s %d\n",
__func__, __LINE__);
@@ -145,7 +145,7 @@ megasas_adp_reset_wait_for_ready(struct megasas_instance *instance,
ret = SUCCESS;
out:
- if (megasas_dbg_lvl & OCR_LOGS)
+ if (megasas_dbg_lvl & OCR_DEBUG)
dev_info(&instance->pdev->dev,
"Unlock access to PCI config space %s %d\n",
__func__, __LINE__);
@@ -4519,9 +4519,6 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd)
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- scmd_printk(KERN_INFO, scmd, "task abort called for scmd(%p)\n", scmd);
- scsi_print_command(scmd);
-
if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL,"
"SCSI host:%d\n", instance->host->host_no);
@@ -4564,7 +4561,7 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd)
goto out;
}
sdev_printk(KERN_INFO, scmd->device,
- "attempting task abort! scmd(%p) tm_dev_handle 0x%x\n",
+ "attempting task abort! scmd(0x%p) tm_dev_handle 0x%x\n",
scmd, devhandle);
mr_device_priv_data->tm_busy = 1;
@@ -4575,9 +4572,12 @@ int megasas_task_abort_fusion(struct scsi_cmnd *scmd)
mr_device_priv_data->tm_busy = 0;
mutex_unlock(&instance->reset_mutex);
-out:
- sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
+ scmd_printk(KERN_INFO, scmd, "task abort %s!! scmd(0x%p)\n",
((ret == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
+out:
+ scsi_print_command(scmd);
+ if (megasas_dbg_lvl & TM_DEBUG)
+ megasas_dump_fusion_io(scmd);
return ret;
}
@@ -4600,9 +4600,6 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd)
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- sdev_printk(KERN_INFO, scmd->device,
- "target reset called for scmd(%p)\n", scmd);
-
if (atomic_read(&instance->adprecovery) != MEGASAS_HBA_OPERATIONAL) {
dev_err(&instance->pdev->dev, "Controller is not OPERATIONAL,"
"SCSI host:%d\n", instance->host->host_no);
@@ -4611,8 +4608,8 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd)
}
if (!mr_device_priv_data) {
- sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
- "scmd(%p)\n", scmd);
+ sdev_printk(KERN_INFO, scmd->device,
+ "device been deleted! scmd: (0x%p)\n", scmd);
scmd->result = DID_NO_CONNECT << 16;
ret = SUCCESS;
goto out;
@@ -4635,7 +4632,7 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd)
}
sdev_printk(KERN_INFO, scmd->device,
- "attempting target reset! scmd(%p) tm_dev_handle 0x%x\n",
+ "attempting target reset! scmd(0x%p) tm_dev_handle: 0x%x\n",
scmd, devhandle);
mr_device_priv_data->tm_busy = 1;
ret = megasas_issue_tm(instance, devhandle,
@@ -4644,10 +4641,10 @@ int megasas_reset_target_fusion(struct scsi_cmnd *scmd)
mr_device_priv_data);
mr_device_priv_data->tm_busy = 0;
mutex_unlock(&instance->reset_mutex);
-out:
- scmd_printk(KERN_NOTICE, scmd, "megasas: target reset %s!!\n",
+ scmd_printk(KERN_NOTICE, scmd, "target reset %s!!\n",
(ret == SUCCESS) ? "SUCCESS" : "FAILED");
+out:
return ret;
}
@@ -4692,7 +4689,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason)
struct megasas_instance *instance;
struct megasas_cmd_fusion *cmd_fusion, *r1_cmd;
struct fusion_context *fusion;
- u32 abs_state, status_reg, reset_adapter;
+ u32 abs_state, status_reg, reset_adapter, fpio_count = 0;
u32 io_timeout_in_crash_mode = 0;
struct scsi_cmnd *scmd_local = NULL;
struct scsi_device *sdev;
@@ -4766,7 +4763,7 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason)
if (convert)
reason = 0;
- if (megasas_dbg_lvl & OCR_LOGS)
+ if (megasas_dbg_lvl & OCR_DEBUG)
dev_info(&instance->pdev->dev, "\nPending SCSI commands:\n");
/* Now return commands back to the OS */
@@ -4779,13 +4776,17 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason)
}
scmd_local = cmd_fusion->scmd;
if (cmd_fusion->scmd) {
- if (megasas_dbg_lvl & OCR_LOGS) {
+ if (megasas_dbg_lvl & OCR_DEBUG) {
sdev_printk(KERN_INFO,
cmd_fusion->scmd->device, "SMID: 0x%x\n",
cmd_fusion->index);
- scsi_print_command(cmd_fusion->scmd);
+ megasas_dump_fusion_io(cmd_fusion->scmd);
}
+ if (cmd_fusion->io_request->Function ==
+ MPI2_FUNCTION_SCSI_IO_REQUEST)
+ fpio_count++;
+
scmd_local->result =
megasas_check_mpio_paths(instance,
scmd_local);
@@ -4798,6 +4799,9 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int reason)
}
}
+ dev_info(&instance->pdev->dev, "Outstanding fastpath IOs: %d\n",
+ fpio_count);
+
atomic_set(&instance->fw_outstanding, 0);
status_reg = instance->instancet->read_fw_status_reg(instance);