From 2e144aa7793f4d2a2e8e0446f1e2c1e0eee79a93 Mon Sep 17 00:00:00 2001 From: Eric Farman Date: Fri, 20 Jan 2017 17:25:25 +0100 Subject: [PATCH] hw/scsi: Fix debug message of cdb structure in scsi-generic When running with debug enabled, the scsi-generic cdb that is dumped skips byte 0 of the command, which is the opcode. This makes identifying which command is being issued/completed a little difficult. Example: 0x00 0x00 0x01 0x00 0x00 scsi-generic: scsi_read_data 0x0 scsi-generic: Data ready tag=0x0 len=164 scsi-generic: scsi_read_data 0x0 scsi-generic: Command complete 0x0x10a42c60 tag=0x0 status=0 Improve this by adding a message prior to the loop, similar to what exists for scsi-disk. Clean up a few other messages to be more explicit of what is being represented. Example: scsi-generic: Command: data=0x12 0x00 0x00 0x01 0x00 0x00 scsi-generic: scsi_read_data tag=0x0 scsi-generic: Data ready tag=0x0 len=164 scsi-generic: scsi_read_data tag=0x0 scsi-generic: Command complete 0x0x10a452d0 tag=0x0 status=0 Signed-off-by: Eric Farman Message-Id: <20170120162527.66075-2-farman@linux.vnet.ibm.com> Reviewed-by: Fam Zheng Signed-off-by: Paolo Bonzini --- hw/scsi/scsi-generic.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/hw/scsi/scsi-generic.c b/hw/scsi/scsi-generic.c index 7a588a7ad4..92f091a613 100644 --- a/hw/scsi/scsi-generic.c +++ b/hw/scsi/scsi-generic.c @@ -246,7 +246,7 @@ static void scsi_read_data(SCSIRequest *req) SCSIDevice *s = r->req.dev; int ret; - DPRINTF("scsi_read_data 0x%x\n", req->tag); + DPRINTF("scsi_read_data tag=0x%x\n", req->tag); /* The request is used as the AIO opaque value, so add a ref. */ scsi_req_ref(&r->req); @@ -294,7 +294,7 @@ static void scsi_write_data(SCSIRequest *req) SCSIDevice *s = r->req.dev; int ret; - DPRINTF("scsi_write_data 0x%x\n", req->tag); + DPRINTF("scsi_write_data tag=0x%x\n", req->tag); if (r->len == 0) { r->len = r->buflen; scsi_req_data(&r->req, r->len); @@ -329,6 +329,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd) int ret; #ifdef DEBUG_SCSI + DPRINTF("Command: data=0x%02x", cmd[0]); { int i; for (i = 1; i < r->req.cmd.len; i++) {