vfio/quirks: Add common quirk alloc helper
This will later be used to include list initialization. Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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@ -275,6 +275,15 @@ static const MemoryRegionOps vfio_ati_3c3_quirk = {
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.endianness = DEVICE_LITTLE_ENDIAN,
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};
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static VFIOQuirk *vfio_quirk_alloc(int nr_mem)
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{
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VFIOQuirk *quirk = g_new0(VFIOQuirk, 1);
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quirk->mem = g_new0(MemoryRegion, nr_mem);
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quirk->nr_mem = nr_mem;
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return quirk;
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}
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static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev)
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{
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VFIOQuirk *quirk;
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@ -288,9 +297,7 @@ static void vfio_vga_probe_ati_3c3_quirk(VFIOPCIDevice *vdev)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk->mem = g_new0(MemoryRegion, 1);
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quirk->nr_mem = 1;
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quirk = vfio_quirk_alloc(1);
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memory_region_init_io(quirk->mem, OBJECT(vdev), &vfio_ati_3c3_quirk, vdev,
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"vfio-ati-3c3-quirk", 1);
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@ -323,9 +330,7 @@ static void vfio_probe_ati_bar4_quirk(VFIOPCIDevice *vdev, int nr)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk->mem = g_new0(MemoryRegion, 2);
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quirk->nr_mem = 2;
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quirk = vfio_quirk_alloc(2);
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window = quirk->data = g_malloc0(sizeof(*window) +
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sizeof(VFIOConfigWindowMatch));
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window->vdev = vdev;
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@ -371,10 +376,9 @@ static void vfio_probe_ati_bar2_quirk(VFIOPCIDevice *vdev, int nr)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk = vfio_quirk_alloc(1);
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mirror = quirk->data = g_malloc0(sizeof(*mirror));
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mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
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quirk->nr_mem = 1;
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mirror->mem = quirk->mem;
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mirror->vdev = vdev;
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mirror->offset = 0x4000;
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mirror->bar = nr;
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@ -548,10 +552,8 @@ static void vfio_vga_probe_nvidia_3d0_quirk(VFIOPCIDevice *vdev)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk = vfio_quirk_alloc(2);
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quirk->data = data = g_malloc0(sizeof(*data));
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quirk->mem = g_new0(MemoryRegion, 2);
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quirk->nr_mem = 2;
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data->vdev = vdev;
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memory_region_init_io(&quirk->mem[0], OBJECT(vdev), &vfio_nvidia_3d4_quirk,
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@ -667,9 +669,7 @@ static void vfio_probe_nvidia_bar5_quirk(VFIOPCIDevice *vdev, int nr)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk->mem = g_new0(MemoryRegion, 4);
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quirk->nr_mem = 4;
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quirk = vfio_quirk_alloc(4);
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bar5 = quirk->data = g_malloc0(sizeof(*bar5) +
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(sizeof(VFIOConfigWindowMatch) * 2));
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window = &bar5->window;
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@ -762,10 +762,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk = vfio_quirk_alloc(1);
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mirror = quirk->data = g_malloc0(sizeof(*mirror));
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mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
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quirk->nr_mem = 1;
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mirror->mem = quirk->mem;
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mirror->vdev = vdev;
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mirror->offset = 0x88000;
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mirror->bar = nr;
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@ -781,10 +780,9 @@ static void vfio_probe_nvidia_bar0_quirk(VFIOPCIDevice *vdev, int nr)
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/* The 0x1800 offset mirror only seems to get used by legacy VGA */
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if (vdev->vga) {
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quirk = g_malloc0(sizeof(*quirk));
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quirk = vfio_quirk_alloc(1);
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mirror = quirk->data = g_malloc0(sizeof(*mirror));
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mirror->mem = quirk->mem = g_new0(MemoryRegion, 1);
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quirk->nr_mem = 1;
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mirror->mem = quirk->mem;
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mirror->vdev = vdev;
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mirror->offset = 0x1800;
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mirror->bar = nr;
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@ -945,9 +943,7 @@ static void vfio_probe_rtl8168_bar2_quirk(VFIOPCIDevice *vdev, int nr)
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return;
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}
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quirk = g_malloc0(sizeof(*quirk));
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quirk->mem = g_new0(MemoryRegion, 2);
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quirk->nr_mem = 2;
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quirk = vfio_quirk_alloc(2);
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quirk->data = rtl = g_malloc0(sizeof(*rtl));
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rtl->vdev = vdev;
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@ -1507,9 +1503,7 @@ static void vfio_probe_igd_bar4_quirk(VFIOPCIDevice *vdev, int nr)
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}
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/* Setup our quirk to munge GTT addresses to the VM allocated buffer */
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quirk = g_malloc0(sizeof(*quirk));
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quirk->mem = g_new0(MemoryRegion, 2);
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quirk->nr_mem = 2;
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quirk = vfio_quirk_alloc(2);
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igd = quirk->data = g_malloc0(sizeof(*igd));
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igd->vdev = vdev;
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igd->index = ~0;
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