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scsi: explicitly list guest-recoverable sense codes

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It's not really possible to fit all sense codes into errno codes,
especially in such a way that sense codes can be properly categorized as
either guest-recoverable or host-handled.  Create a new function that
checks for guest recoverable sense, then scsi_sense_buf_to_errno only
needs to be called for host handled sense codes.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2019-07-02 10:23:20 +02:00
parent d31347f5ff
commit bdf9613b7f
3 changed files with 46 additions and 3 deletions
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include/scsi/utils.h
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@ -106,6 +106,7 @@ extern const struct SCSISense sense_code_SPACE_ALLOC_FAILED;
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);
bool scsi_sense_buf_is_guest_recoverable(const uint8_t *sense, size_t sense_size);
int scsi_convert_sense(uint8_t *in_buf, int in_len,
uint8_t *buf, int len, bool fixed);