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authorAlexander Graf <agraf@suse.de>2010-12-14 16:23:38 +0100
committerKevin Wolf <kwolf@redhat.com>2010-12-17 16:11:03 +0100
commit1bdaa28d7a521628345a46626c2fd6c279562776 (patch)
tree032176b0d52963d4166cbe7b549b4f5ab90a1281
parent38a08f0557418d14ad49616b31f336b30c2c684d (diff)
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ide: honor ncq for atapi
ATAPI also can do ncq, so let's expose the capability. This patch makes CD-ROM support work on Windows 7 for me. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--hw/ide/core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 9e1d4e6..9496e99 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -217,6 +217,12 @@ static void ide_atapi_identify(IDEState *s)
put_le16(p + 71, 30); /* in ns */
put_le16(p + 72, 30); /* in ns */
+ if (s->ncq_queues) {
+ put_le16(p + 75, s->ncq_queues - 1);
+ /* NCQ supported */
+ put_le16(p + 76, (1 << 8));
+ }
+
put_le16(p + 80, 0x1e); /* support up to ATA/ATAPI-4 */
#ifdef USE_DMA_CDROM
put_le16(p + 88, 0x3f | (1 << 13)); /* udma5 set and supported */