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scsi: add special traces for common commands 

Can be useful when debugging the device scan phase.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2011-08-03 10:49:19 +02:00 committed by Anthony Liguori
parent c7b488721d
commit 98254542f9
2 changed files with 21 additions and 0 deletions
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17
hw/scsi-bus.c
View File

@ -396,6 +396,23 @@ SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
}
req->cmd = cmd;
switch (buf[0]) {
case INQUIRY:
trace_scsi_inquiry(d->id, lun, tag, cmd.buf[1], cmd.buf[2]);
break;
case TEST_UNIT_READY:
trace_scsi_test_unit_ready(d->id, lun, tag);
break;
case REPORT_LUNS:
trace_scsi_report_luns(d->id, lun, tag);
break;
case REQUEST_SENSE:
trace_scsi_request_sense(d->id, lun, tag);
break;
default:
break;
}
return req;
}

4
trace-events
View File

@ -252,6 +252,10 @@ disable scsi_req_parsed(int target, int lun, int tag, int cmd, int mode, int xfe
disable scsi_req_parsed_lba(int target, int lun, int tag, int cmd, uint64_t lba) "target %d lun %d tag %d command %d lba %"PRIu64""
disable scsi_req_parse_bad(int target, int lun, int tag, int cmd) "target %d lun %d tag %d command %d"
disable scsi_req_build_sense(int target, int lun, int tag, int key, int asc, int ascq) "target %d lun %d tag %d key %#02x asc %#02x ascq %#02x"
disable scsi_report_luns(int target, int lun, int tag) "target %d lun %d tag %d"
disable scsi_inquiry(int target, int lun, int tag, int cdb1, int cdb2) "target %d lun %d tag %d page %#02x/%#02x"
disable scsi_test_unit_ready(int target, int lun, int tag) "target %d lun %d tag %d"
disable scsi_request_sense(int target, int lun, int tag) "target %d lun %d tag %d"
# vl.c
disable vm_state_notify(int running, int reason) "running %d reason %d"