diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-11-12 10:52:04 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-11-16 13:22:17 -0500 |
| commit | 3b12a7fd39307017c8968b8d05986a63b33752b5 (patch) | |
| tree | 81b8f40c70858a47d9326c948c74ceb470a67024 | |
| parent | b430b51395650137a80e78ee7395165b80fe1752 (diff) | |
| download | qemu-3b12a7fd39307017c8968b8d05986a63b33752b5.zip qemu-3b12a7fd39307017c8968b8d05986a63b33752b5.tar.gz qemu-3b12a7fd39307017c8968b8d05986a63b33752b5.tar.bz2 | |
scsi-disk: convert more errno values back to SCSI statuses
Linux has some OS-specific (and sometimes weird) mappings for various SCSI
statuses and sense codes. The most important is probably RESERVATION
CONFLICT. Add them so that they can be reported back to the guest
kernel.
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| -rw-r--r-- | hw/scsi/scsi-disk.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c index e859534..90841ad 100644 --- a/hw/scsi/scsi-disk.c +++ b/hw/scsi/scsi-disk.c @@ -461,6 +461,25 @@ static bool scsi_handle_rw_error(SCSIDiskReq *r, int error, bool acct_failed) } error = scsi_sense_buf_to_errno(r->req.sense, sizeof(r->req.sense)); break; +#ifdef CONFIG_LINUX + /* These errno mapping are specific to Linux. For more information: + * - scsi_decide_disposition in drivers/scsi/scsi_error.c + * - scsi_result_to_blk_status in drivers/scsi/scsi_lib.c + * - blk_errors[] in block/blk-core.c + */ + case EBADE: + /* DID_NEXUS_FAILURE -> BLK_STS_NEXUS. */ + scsi_req_complete(&r->req, RESERVATION_CONFLICT); + break; + case ENODATA: + /* DID_MEDIUM_ERROR -> BLK_STS_MEDIUM. */ + scsi_check_condition(r, SENSE_CODE(READ_ERROR)); + break; + case EREMOTEIO: + /* DID_TARGET_FAILURE -> BLK_STS_TARGET. */ + scsi_req_complete(&r->req, HARDWARE_ERROR); + break; +#endif case ENOMEDIUM: scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); break; |