diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hpsa.c | 31 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 6 |
2 files changed, 32 insertions, 5 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index facb438061d5..eacfeb724734 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -1863,6 +1863,7 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h, { int data_len; int retry = 0; + u32 ioaccel2_resid = 0; switch (c2->error_data.serv_response) { case IOACCEL2_SERV_RESPONSE_COMPLETE: @@ -1921,11 +1922,31 @@ static int handle_ioaccel_mode2_error(struct ctlr_info *h, } break; case IOACCEL2_SERV_RESPONSE_FAILURE: - /* don't expect to get here. */ - dev_warn(&h->pdev->dev, - "unexpected delivery or target failure, status = 0x%02x\n", - c2->error_data.status); - retry = 1; + switch (c2->error_data.status) { + case IOACCEL2_STATUS_SR_IO_ERROR: + case IOACCEL2_STATUS_SR_IO_ABORTED: + case IOACCEL2_STATUS_SR_OVERRUN: + retry = 1; + break; + case IOACCEL2_STATUS_SR_UNDERRUN: + cmd->result = (DID_OK << 16); /* host byte */ + cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */ + ioaccel2_resid = get_unaligned_le32( + &c2->error_data.resid_cnt[0]); + scsi_set_resid(cmd, ioaccel2_resid); + break; + case IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE: + case IOACCEL2_STATUS_SR_INVALID_DEVICE: + case IOACCEL2_STATUS_SR_IOACCEL_DISABLED: + /* We will get an event from ctlr to trigger rescan */ + retry = 1; + break; + default: + retry = 1; + dev_warn(&h->pdev->dev, + "unexpected delivery or target failure, status = 0x%02x\n", + c2->error_data.status); + } break; case IOACCEL2_SERV_RESPONSE_TMF_COMPLETE: break; diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 0efb6f2b4297..cecb62bf0ffe 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -532,6 +532,12 @@ struct io_accel2_scsi_response { #define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL 0x28 #define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED 0x40 #define IOACCEL2_STATUS_SR_IOACCEL_DISABLED 0x0E +#define IOACCEL2_STATUS_SR_IO_ERROR 0x01 +#define IOACCEL2_STATUS_SR_IO_ABORTED 0x02 +#define IOACCEL2_STATUS_SR_NO_PATH_TO_DEVICE 0x03 +#define IOACCEL2_STATUS_SR_INVALID_DEVICE 0x04 +#define IOACCEL2_STATUS_SR_UNDERRUN 0x51 +#define IOACCEL2_STATUS_SR_OVERRUN 0x75 u8 data_present; /* low 2 bits */ #define IOACCEL2_NO_DATAPRESENT 0x000 #define IOACCEL2_RESPONSE_DATAPRESENT 0x001 |