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authorPaolo Bonzini <pbonzini@redhat.com>2013-11-28 11:01:13 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-12-09 11:28:16 +0100
commitd12ad44cc4cc9142179e64295608611f118b8ad8 (patch)
tree94095270b1b888d1e80fed1d6d08f2b724876f40 /hw/scsi/scsi-bus.c
parentac9524dc55dc32e492ac3e6fbc9785be7168f8a2 (diff)
scsi-bus: fix transfer length and direction for VERIFY command
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>
Diffstat (limited to 'hw/scsi/scsi-bus.c')
-rw-r--r--hw/scsi/scsi-bus.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
index ea916d1466..2d6ce4d6bb 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: