From 1bdaa28d7a521628345a46626c2fd6c279562776 Mon Sep 17 00:00:00 2001 From: Alexander Graf Date: Tue, 14 Dec 2010 16:23:38 +0100 Subject: [PATCH] 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 Signed-off-by: Kevin Wolf --- hw/ide/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/ide/core.c b/hw/ide/core.c index 9e1d4e6717..9496e990b9 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 */