From 2d094e1672694bdbd98b422201b4544720668f68 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 3 Aug 2011 10:49:19 +0200 Subject: [PATCH] scsi: add special traces for common commands Can be useful when debugging the device scan phase. Signed-off-by: Paolo Bonzini Signed-off-by: Anthony Liguori --- hw/scsi-bus.c | 17 +++++++++++++++++ trace-events | 4 ++++ 2 files changed, 21 insertions(+) diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c index 9b2d12d..f2af6cd 100644 --- a/hw/scsi-bus.c +++ b/hw/scsi-bus.c @@ -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; } diff --git a/trace-events b/trace-events index 0daf2cc..246704c 100644 --- a/trace-events +++ b/trace-events @@ -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" -- 2.7.4