[PATCH 09/24] aacraid: Added support for read medium error

Raghava Aditya Renukunta
2017-01-24T00:47:01Z

This patch processes Raw IO read medium errors.

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Dave Carroll <David.Carroll@microsemi.com>
---
drivers/scsi/aacraid/aachba.c | 10 ++++++++++
drivers/scsi/aacraid/aacraid.h | 1 +
2 files changed, 11 insertions(+)

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 5465c8a..e762c7b 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -62,6 +62,7 @@
#define SENCODE_END_OF_DATA 0x00
#define SENCODE_BECOMING_READY 0x04
#define SENCODE_INIT_CMD_REQUIRED 0x04
+#define SENCODE_UNRECOVERED_READ_ERROR 0x11
#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A
#define SENCODE_INVALID_COMMAND 0x20
#define SENCODE_LBA_OUT_OF_RANGE 0x21
@@ -1994,6 +1995,15 @@ static void io_callback(void *context, struct fib * fibptr)
min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
SCSI_SENSE_BUFFERSIZE));
break;
+ case ST_MEDERR:
+ scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+ SAM_STAT_CHECK_CONDITION;
+ set_sense(&dev->fsa_dev[cid].sense_data, MEDIUM_ERROR,
+ SENCODE_UNRECOVERED_READ_ERROR, ASENCODE_NO_SENSE, 0, 0);
+ memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+ min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
+ SCSI_SENSE_BUFFERSIZE));
+ break;
default:
#ifdef AAC_DETAILED_STATUS_INFO
printk(KERN_WARNING "io_callback: io failed, status = %d\n",
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index f749215..fb46252 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1462,6 +1462,7 @@ struct aac_dev
#define ST_IO 5
#define ST_NXIO 6
#define ST_E2BIG 7
+#define ST_MEDERR 8
#define ST_ACCES 13
#define ST_EXIST 17
#define ST_XDEV 18
--
2.7.4