diff options
| author | Hannes Reinecke <hare@suse.de> | 2020-11-16 19:31:14 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-02-25 14:14:32 +0100 |
| commit | b2d50a3343d939a603df4436ccc41b4cf8223f88 (patch) | |
| tree | ca934d79513fcf913517d247084ebfc0118ca31e /hw/scsi/scsi-generic.c | |
| parent | c9b6609b69facad0cc5425d4fa7934c33d7f2e91 (diff) | |
scsi: add tracing for SG_IO commands
Add tracepoints for SG_IO commands to allow for debugging
of SG_IO commands.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Message-Id: <20201116183114.55703-4-hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/scsi-generic.c')
| -rw-r--r-- | hw/scsi/scsi-generic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 3dd3ccd097..176a72951c 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -129,6 +129,8 @@ static int execute_command(BlockBackend *blk, r->io_header.usr_ptr = r; r->io_header.flags |= SG_FLAG_DIRECT_IO; + trace_scsi_generic_aio_sgio_command(r->req.tag, r->req.cmd.buf[0], + r->io_header.timeout); r->req.aiocb = blk_aio_ioctl(blk, SG_IO, &r->io_header, complete, r); if (r->req.aiocb == NULL) { return -EIO; @@ -525,8 +527,12 @@ int scsi_SG_IO_FROM_DEV(BlockBackend *blk, uint8_t *cmd, uint8_t cmd_size, io_header.sbp = sensebuf; io_header.timeout = timeout * 1000; + trace_scsi_generic_ioctl_sgio_command(cmd[0], io_header.timeout); ret = blk_ioctl(blk, SG_IO, &io_header); - if (ret < 0 || io_header.driver_status || io_header.host_status) { + if (ret < 0 || io_header.status || + io_header.driver_status || io_header.host_status) { + trace_scsi_generic_ioctl_sgio_done(cmd[0], ret, io_header.status, + io_header.host_status); return -1; } return 0; |