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hw/audio/intel-hda: Fix MSI capability address

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According to ICH9 spec, the MSI capability is located at 0x60. This is
important for guest drivers that do not parse the capability chain and
use absolute addresses instead.

CC: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jan Kiszka 2014-07-30 09:02:01 +02:00 • committed by Michael S. Tsirkin
parent f9f218730c
commit d209c7440a
2 changed files with 9 additions and 2 deletions
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4
hw/audio/intel-hda.c
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@ -187,6 +187,7 @@ struct IntelHDAState {
/* properties */
uint32_t debug;
uint32_t msi;
bool old_msi_addr;
};
#define TYPE_INTEL_HDA_GENERIC "intel-hda-generic"
@ -1141,7 +1142,7 @@ static int intel_hda_init(PCIDevice *pci)
"intel-hda", 0x4000);
pci_register_bar(&d->pci, 0, 0, &d->mmio);
if (d->msi) {
msi_init(&d->pci, 0x50, 1, true, false);
msi_init(&d->pci, d->old_msi_addr ? 0x50 : 0x60, 1, true, false);
}
hda_codec_bus_init(DEVICE(pci), &d->codecs, sizeof(d->codecs),
@ -1236,6 +1237,7 @@ static const VMStateDescription vmstate_intel_hda = {
static Property intel_hda_properties[] = {
DEFINE_PROP_UINT32("debug", IntelHDAState, debug, 0),
DEFINE_PROP_UINT32("msi", IntelHDAState, msi, 1),
DEFINE_PROP_BOOL("old_msi_addr", IntelHDAState, old_msi_addr, false),
DEFINE_PROP_END_OF_LIST(),
};