From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eduard - Gabriel Munteanu Subject: [RFC PATCH 07/13] ac97: use the DMA memory access interface Date: Wed, 1 Jun 2011 04:38:29 +0300 Message-ID: <1306892315-7306-8-git-send-email-eduard.munteanu@linux360.ro> References: <1306892315-7306-1-git-send-email-eduard.munteanu@linux360.ro> Cc: seabios@seabios.org, kevin@koconnor.net, joro@8bytes.org, blauwirbel@gmail.com, paul@codesourcery.com, avi@redhat.com, anthony@codemonkey.ws, av1474@comtv.ru, yamahata@valinux.co.jp, kvm@vger.kernel.org, qemu-devel@nongnu.org, benh@kernel.crashing.org, aik@ozlabs.ru, agraf@suse.de, aliguori@us.ibm.com, dwg@au1.ibm.com, rth@twiddle.net, david@gibson.dropbear.id.au, Eduard - Gabriel Munteanu To: mst@redhat.com Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:39474 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758591Ab1FABjF (ORCPT ); Tue, 31 May 2011 21:39:05 -0400 Received: by mail-bw0-f46.google.com with SMTP id 15so4139763bwz.19 for ; Tue, 31 May 2011 18:39:04 -0700 (PDT) In-Reply-To: <1306892315-7306-1-git-send-email-eduard.munteanu@linux360.ro> Sender: kvm-owner@vger.kernel.org List-ID: This allows the device to work properly with an emulated IOMMU. Signed-off-by: Eduard - Gabriel Munteanu --- hw/ac97.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/ac97.c b/hw/ac97.c index d71072d..bad38fb 100644 --- a/hw/ac97.c +++ b/hw/ac97.c @@ -223,7 +223,7 @@ static void fetch_bd (AC97LinkState *s, AC97BusMasterRegs *r) { uint8_t b[8]; - cpu_physical_memory_read (r->bdbar + r->civ * 8, b, 8); + pci_memory_read (&s->dev, r->bdbar + r->civ * 8, b, 8); r->bd_valid = 1; r->bd.addr = le32_to_cpu (*(uint32_t *) &b[0]) & ~3; r->bd.ctl_len = le32_to_cpu (*(uint32_t *) &b[4]); @@ -972,7 +972,7 @@ static int write_audio (AC97LinkState *s, AC97BusMasterRegs *r, while (temp) { int copied; to_copy = audio_MIN (temp, sizeof (tmpbuf)); - cpu_physical_memory_read (addr, tmpbuf, to_copy); + pci_memory_read (&s->dev, addr, tmpbuf, to_copy); copied = AUD_write (s->voice_po, tmpbuf, to_copy); dolog ("write_audio max=%x to_copy=%x copied=%x\n", max, to_copy, copied); @@ -1056,7 +1056,7 @@ static int read_audio (AC97LinkState *s, AC97BusMasterRegs *r, *stop = 1; break; } - cpu_physical_memory_write (addr, tmpbuf, acquired); + pci_memory_write (&s->dev, addr, tmpbuf, acquired); temp -= acquired; addr += acquired; nread += acquired; -- 1.7.3.4