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scsi: libsas: Introduce more SAM status code aliases in enum exec_status

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This patch prepares for converting SAM status codes into an enum. Without
this patch converting SAM status codes into an enumeration type would
trigger complaints about enum type mismatches for the SAS code.

Link: https://lore.kernel.org/r/20210524025457.11299-2-bvanassche@acm.org
Cc: Hannes Reinecke <hare@suse.com>
Cc: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Cc: Jason Yan <yanaijie@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2021-05-23 19:54:55 -07:00 • committed by Martin K. Petersen
parent 1ff28f229b
commit d377f415dd
14 changed files with 57 additions and 50 deletions
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12
include/scsi/libsas.h
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@ -474,10 +474,16 @@ enum service_response {
};
enum exec_status {
/* The SAM_STAT_.. codes fit in the lower 6 bits, alias some of
* them here to silence 'case value not in enumerated type' warnings
/*
* Values 0..0x7f are used to return the SAM_STAT_* codes. To avoid
* 'case value not in enumerated type' compiler warnings every value
* returned through the exec_status enum needs an alias with the SAS_
* prefix here.
*/
__SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION,
SAS_SAM_STAT_GOOD = SAM_STAT_GOOD,
SAS_SAM_STAT_BUSY = SAM_STAT_BUSY,
SAS_SAM_STAT_TASK_ABORTED = SAM_STAT_TASK_ABORTED,
SAS_SAM_STAT_CHECK_CONDITION = SAM_STAT_CHECK_CONDITION,
SAS_DEV_NO_RESPONSE = 0x80,
SAS_DATA_UNDERRUN,