diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_base.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 51b35a619d99..b41bbea3667f 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -2742,6 +2742,24 @@ blk_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd) } /** + * megasas_dump_frame - This function will dump MPT/MFI frame + */ +static inline void +megasas_dump_frame(void *mpi_request, int sz) +{ + int i; + __le32 *mfp = (__le32 *)mpi_request; + + printk(KERN_INFO "IO request frame:\n\t"); + for (i = 0; i < sz; i++) { + if (i && ((i % 8) == 0)) + printk("\n\t"); + printk("%08x ", le32_to_cpu(mfp[i])); + } + printk("\n"); +} + +/** * megasas_reset_bus_host - Bus & host reset handler entry point */ static int megasas_reset_bus_host(struct scsi_cmnd *scmd) @@ -2751,12 +2769,26 @@ 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, + atomic_read((atomic_t *)&scmd->device->host->host_busy), + atomic_read(&instance->fw_outstanding)); + /* * First wait for all commands to complete */ - if (instance->ctrl_context) - ret = megasas_reset_fusion(scmd->device->host, 1); - else + if (instance->ctrl_context) { + struct megasas_cmd_fusion *cmd; + cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr; + if (cmd) + megasas_dump_frame(cmd->io_request, + sizeof(struct MPI2_RAID_SCSI_IO_REQUEST)); + ret = megasas_reset_fusion(scmd->device->host, + SCSIIO_TIMEOUT_OCR); + } else ret = megasas_generic_reset(scmd); return ret; |