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path: root/hw/vfio/pci-quirks.c
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Diffstat (limited to 'hw/vfio/pci-quirks.c')
-rw-r--r--hw/vfio/pci-quirks.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index 429fdad068..44c7701870 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -242,12 +242,11 @@ static const MemoryRegionOps vfio_generic_quirk = {
static uint64_t vfio_ati_3c3_quirk_read(void *opaque,
hwaddr addr, unsigned size)
{
- VFIOLegacyQuirk *quirk = opaque;
- VFIOPCIDevice *vdev = quirk->vdev;
+ VFIOPCIDevice *vdev = opaque;
uint64_t data = vfio_pci_read_config(&vdev->pdev,
- PCI_BASE_ADDRESS_0 + (4 * 4) + 1,
- size);
- trace_vfio_ati_3c3_quirk_read(data);
+ PCI_BASE_ADDRESS_4 + 1, size);
+
+ trace_vfio_quirk_ati_3c3_read(vdev->vbasedev.name, data);
return data;
}
@@ -259,29 +258,22 @@ static const MemoryRegionOps vfio_ati_3c3_quirk = {
static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev)
{
- PCIDevice *pdev = &vdev->pdev;
VFIOQuirk *quirk;
- VFIOLegacyQuirk *legacy;
-
- if (pci_get_word(pdev->config + PCI_VENDOR_ID) != PCI_VENDOR_ID_ATI) {
- return;
- }
/*
* As long as the BAR is >= 256 bytes it will be aligned such that the
* lower byte is always zero. Filter out anything else, if it exists.
*/
- if (!vdev->bars[4].ioport || vdev->bars[4].region.size < 256) {
+ if (!vfio_pci_is(vdev, PCI_VENDOR_ID_ATI, PCI_ANY_ID) ||
+ !vdev->bars[4].ioport || vdev->bars[4].region.size < 256) {
return;
}
quirk = g_malloc0(sizeof(*quirk));
- legacy = quirk->data = g_malloc0(sizeof(*legacy));
- quirk->mem = legacy->mem = g_malloc0_n(sizeof(MemoryRegion), 1);
+ quirk->mem = g_malloc0_n(sizeof(MemoryRegion), 1);
quirk->nr_mem = 1;
- legacy->vdev = vdev;
- memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, legacy,
+ memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev,
"vfio-ati-3c3-quirk", 1);
memory_region_add_subregion(&vdev->vga.region[QEMU_PCI_VGA_IO_HI].mem,
3 /* offset 3 bytes from 0x3c0 */, quirk->mem);
@@ -289,7 +281,7 @@ static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev)
QLIST_INSERT_HEAD(&vdev->vga.region[QEMU_PCI_VGA_IO_HI].quirks,
quirk, next);
- trace_vfio_vga_probe_ati_3c3_quirk(vdev->vbasedev.name);
+ trace_vfio_quirk_ati_3c3_probe(vdev->vbasedev.name);
}
/*