qemu/1009-scsi-introduce-scsi_build_sense.patch

78 lines
2.1 KiB
Diff

From 82e922c8be1b32eeb0c8c22165cdeff39e12d3ef Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Tue, 22 Aug 2017 09:42:59 +0200
Subject: [PATCH 09/15] scsi: introduce scsi_build_sense
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Move more knowledge of sense data format out of hw/scsi/scsi-bus.c
for reusability.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/scsi/scsi-bus.c | 8 +-------
include/scsi/utils.h | 2 ++
scsi/utils.c | 11 +++++++++++
3 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index 42920d5422..652ab046ab 100644
--- a/hw/scsi/scsi-bus.c
+++ b/hw/scsi/scsi-bus.c
@@ -818,13 +818,7 @@ void scsi_req_build_sense(SCSIRequest *req, SCSISense sense)
{
trace_scsi_req_build_sense(req->dev->id, req->lun, req->tag,
sense.key, sense.asc, sense.ascq);
- memset(req->sense, 0, 18);
- req->sense[0] = 0x70;
- req->sense[2] = sense.key;
- req->sense[7] = 10;
- req->sense[12] = sense.asc;
- req->sense[13] = sense.ascq;
- req->sense_len = 18;
+ req->sense_len = scsi_build_sense(req->sense, sense);
}
static void scsi_req_enqueue_internal(SCSIRequest *req)
diff --git a/include/scsi/utils.h b/include/scsi/utils.h
index 90bf4dce6e..b49392d841 100644
--- a/include/scsi/utils.h
+++ b/include/scsi/utils.h
@@ -30,6 +30,8 @@ typedef struct SCSISense {
uint8_t ascq;
} SCSISense;
+int scsi_build_sense(uint8_t *buf, SCSISense sense);
+
/*
* Predefined sense codes
*/
diff --git a/scsi/utils.c b/scsi/utils.c
index 2327e06da0..89d9167d9d 100644
--- a/scsi/utils.c
+++ b/scsi/utils.c
@@ -96,6 +96,17 @@ int scsi_cdb_length(uint8_t *buf)
return cdb_len;
}
+int scsi_build_sense(uint8_t *buf, SCSISense sense)
+{
+ memset(buf, 0, 18);
+ buf[0] = 0x70;
+ buf[2] = sense.key;
+ buf[7] = 10;
+ buf[12] = sense.asc;
+ buf[13] = sense.ascq;
+ return 18;
+}
+
/*
* Predefined sense codes
*/
--
2.13.5