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scsi: add guest-recoverable ZBC errors

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When running basic operations on zoned storage from the guest via
scsi-block, the following ASCs are reported for write or read commands
due to unexpected zone status or write pointer status:

     21h 04h: UNALIGNED WRITE COMMAND
     21h 05h: WRITE BOUNDARY VIOLATION
     21h 06h: ATTEMPT TO READ INVALID DATA
     55h 0Eh: INSUFFICIENT ZONE RESOURCES

Reporting these ASCs to the guest, the user applications can handle
them to manage zone/write pointer status, or help the user application
developers to understand the failure reason and fix bugs.

Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-07-02 10:01:03 +02:00
parent bdf9613b7f
commit 396ce7b94e
1 changed files with 5 additions and 0 deletions
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5
scsi/utils.c
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@ -360,6 +360,11 @@ static bool scsi_sense_is_guest_recoverable(int key, int asc, int ascq)
case 0x2500: /* LOGICAL UNIT NOT SUPPORTED */
case 0x2600: /* INVALID FIELD IN PARAMETER LIST */
case 0x2104: /* UNALIGNED WRITE COMMAND */
case 0x2105: /* WRITE BOUNDARY VIOLATION */
case 0x2106: /* ATTEMPT TO READ INVALID DATA */
case 0x550e: /* INSUFFICIENT ZONE RESOURCES */
case 0x0401: /* NOT READY, IN PROGRESS OF BECOMING READY */
case 0x0402: /* NOT READY, INITIALIZING COMMAND REQUIRED */
return true;