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scsi: Rename linux-specific SG_ERR codes to generic SCSI_HOST error codes

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We really should make a distinction between legitimate sense codes
(ie if one is running against an emulated block device or for
pass-through sense codes), and the intermediate errors generated
during processing of the command, which really are not sense codes
but refer to some specific internal status. And this internal
state is not necessarily linux-specific, but rather can refer to
the qemu implementation itself.
So rename the linux-only SG_ERR codes to SCSI_HOST codes and make
them available generally.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Message-Id: <20201116184041.60465-5-hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hannes Reinecke 2020-11-16 19:40:38 +01:00 • committed by Paolo Bonzini
parent f7544edcd3
commit 41af878b96
2 changed files with 19 additions and 10 deletions
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6
scsi/utils.c
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@ -612,9 +612,9 @@ int sg_io_sense_from_errno(int errno_value, struct sg_io_hdr *io_hdr,
if (errno_value != 0) {
return scsi_sense_from_errno(errno_value, sense);
} else {
if (io_hdr->host_status == SG_ERR_DID_NO_CONNECT ||
io_hdr->host_status == SG_ERR_DID_BUS_BUSY ||
io_hdr->host_status == SG_ERR_DID_TIME_OUT ||
if (io_hdr->host_status == SCSI_HOST_NO_LUN ||
io_hdr->host_status == SCSI_HOST_BUSY ||
io_hdr->host_status == SCSI_HOST_TIME_OUT ||
(io_hdr->driver_status & SG_ERR_DRIVER_TIMEOUT)) {
return BUSY;
} else if (io_hdr->host_status) {