59 lines
1.8 KiB
Diff
59 lines
1.8 KiB
Diff
From: Paolo Bonzini <pbonzini@redhat.com>
|
|
Date: Thu, 28 Nov 2013 11:01:13 +0100
|
|
Subject: [PATCH] scsi-bus: fix transfer length and direction for VERIFY
|
|
command
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
The amount of bytes to transfer depends on the BYTCHK field.
|
|
If any data is transferred, it is sent to the device.
|
|
|
|
Cc: qemu-stable@nongnu.org
|
|
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
|
|
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
(cherry picked from commit d12ad44cc4cc9142179e64295608611f118b8ad8)
|
|
---
|
|
hw/scsi/scsi-bus.c | 14 +++++++++++++-
|
|
1 file changed, 13 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
|
|
index d352da7..e2fcd60 100644
|
|
--- a/hw/scsi/scsi-bus.c
|
|
+++ b/hw/scsi/scsi-bus.c
|
|
@@ -886,7 +886,6 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
|
|
case RELEASE:
|
|
case ERASE:
|
|
case ALLOW_MEDIUM_REMOVAL:
|
|
- case VERIFY_10:
|
|
case SEEK_10:
|
|
case SYNCHRONIZE_CACHE:
|
|
case SYNCHRONIZE_CACHE_16:
|
|
@@ -903,6 +902,16 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
|
|
case ALLOW_OVERWRITE:
|
|
cmd->xfer = 0;
|
|
break;
|
|
+ case VERIFY_10:
|
|
+ case VERIFY_12:
|
|
+ case VERIFY_16:
|
|
+ if ((buf[1] & 2) == 0) {
|
|
+ cmd->xfer = 0;
|
|
+ } else if ((buf[1] & 4) == 1) {
|
|
+ cmd->xfer = 1;
|
|
+ }
|
|
+ cmd->xfer *= dev->blocksize;
|
|
+ break;
|
|
case MODE_SENSE:
|
|
break;
|
|
case WRITE_SAME_10:
|
|
@@ -1100,6 +1109,9 @@ static void scsi_cmd_xfer_mode(SCSICommand *cmd)
|
|
case WRITE_VERIFY_12:
|
|
case WRITE_16:
|
|
case WRITE_VERIFY_16:
|
|
+ case VERIFY_10:
|
|
+ case VERIFY_12:
|
|
+ case VERIFY_16:
|
|
case COPY:
|
|
case COPY_VERIFY:
|
|
case COMPARE:
|