diff options
| -rw-r--r-- | include/scsi/scsi.h | 1 | ||||
| -rw-r--r-- | util/scsi.c | 30 |
2 files changed, 31 insertions, 0 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index f894ace4bf..fe330385d8 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h @@ -15,5 +15,6 @@ #define QEMU_SCSI_H int scsi_sense_to_errno(int key, int asc, int ascq); +int scsi_sense_buf_to_errno(const uint8_t *sense, size_t sense_size); #endif diff --git a/util/scsi.c b/util/scsi.c index 472eb5bea5..472293d59b 100644 --- a/util/scsi.c +++ b/util/scsi.c @@ -58,3 +58,33 @@ int scsi_sense_to_errno(int key, int asc, int ascq) return EIO; } } + +int scsi_sense_buf_to_errno(const uint8_t *sense, size_t sense_size) +{ + int key, asc, ascq; + if (sense_size < 1) { + return EIO; + } + switch (sense[0]) { + case 0x70: /* Fixed format sense data. */ + if (sense_size < 14) { + return EIO; + } + key = sense[2] & 0xF; + asc = sense[12]; + ascq = sense[13]; + break; + case 0x72: /* Descriptor format sense data. */ + if (sense_size < 4) { + return EIO; + } + key = sense[1] & 0xF; + asc = sense[2]; + ascq = sense[3]; + break; + default: + return EIO; + break; + } + return scsi_sense_to_errno(key, asc, ascq); +} |