c4025101e7
Changing streaming mode default to off for spice (bz #1038336) Fix guest scsi verify command (bz #1001617)
60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
From 3b1f248f3f8ff06ed4a4269871138db66e336ec5 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Thu, 28 Nov 2013 11:01:13 +0100
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Subject: [PATCH] scsi-bus: fix transfer length and direction for VERIFY
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command
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The amount of bytes to transfer depends on the BYTCHK field.
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If any data is transferred, it is sent to the device.
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Cc: qemu-stable@nongnu.org
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Tested-by: Hervé Poussineau <hpoussin@reactos.org>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit d12ad44cc4cc9142179e64295608611f118b8ad8)
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---
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hw/scsi/scsi-bus.c | 14 +++++++++++++-
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1 file changed, 13 insertions(+), 1 deletion(-)
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diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c
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index ea916d1..2d6ce4d 100644
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--- a/hw/scsi/scsi-bus.c
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+++ b/hw/scsi/scsi-bus.c
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@@ -886,7 +886,6 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
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case RELEASE:
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case ERASE:
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case ALLOW_MEDIUM_REMOVAL:
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- case VERIFY_10:
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case SEEK_10:
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case SYNCHRONIZE_CACHE:
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case SYNCHRONIZE_CACHE_16:
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@@ -903,6 +902,16 @@ static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
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case ALLOW_OVERWRITE:
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cmd->xfer = 0;
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break;
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+ case VERIFY_10:
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+ case VERIFY_12:
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+ case VERIFY_16:
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+ if ((buf[1] & 2) == 0) {
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+ cmd->xfer = 0;
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+ } else if ((buf[1] & 4) == 1) {
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+ cmd->xfer = 1;
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+ }
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+ cmd->xfer *= dev->blocksize;
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+ break;
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case MODE_SENSE:
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break;
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case WRITE_SAME_10:
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@@ -1100,6 +1109,9 @@ static void scsi_cmd_xfer_mode(SCSICommand *cmd)
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case WRITE_VERIFY_12:
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case WRITE_16:
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case WRITE_VERIFY_16:
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+ case VERIFY_10:
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+ case VERIFY_12:
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+ case VERIFY_16:
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case COPY:
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case COPY_VERIFY:
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case COMPARE:
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