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authorStefan Hajnoczi <stefanha@redhat.com>2023-10-17 10:05:51 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2023-10-17 10:05:51 -0400
commit0193b3bc05fe45860849b11958431e53feec7516 (patch)
treef917ae4d2194f468853db637154b69b232610b83 /hw/display/virtio-gpu-pci.c
parent800485762e6564e04e2ab315132d477069562d91 (diff)
parent773f61e997d4f12cacb715bf8ec01bf0a40e8755 (diff)
downloadfocaccia-qemu-0193b3bc05fe45860849b11958431e53feec7516.tar.gz
focaccia-qemu-0193b3bc05fe45860849b11958431e53feec7516.zip
Merge tag 'gpu-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging
virtio-gpu rutabaga support

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# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'gpu-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  docs/system: add basic virtio-gpu documentation
  gfxstream + rutabaga: enable rutabaga
  gfxstream + rutabaga: meson support
  gfxstream + rutabaga: add initial support for gfxstream
  gfxstream + rutabaga prep: added need defintions, fields, and options
  virtio-gpu: blob prep
  virtio-gpu: hostmem
  virtio-gpu: CONTEXT_INIT feature
  virtio: Add shared memory capability

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/display/virtio-gpu-pci.c')
-rw-r--r--hw/display/virtio-gpu-pci.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/display/virtio-gpu-pci.c b/hw/display/virtio-gpu-pci.c
index 93f214ff58..da6a99f038 100644
--- a/hw/display/virtio-gpu-pci.c
+++ b/hw/display/virtio-gpu-pci.c
@@ -33,6 +33,20 @@ static void virtio_gpu_pci_base_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
     DeviceState *vdev = DEVICE(g);
     int i;
 
+    if (virtio_gpu_hostmem_enabled(g->conf)) {
+        vpci_dev->msix_bar_idx = 1;
+        vpci_dev->modern_mem_bar_idx = 2;
+        memory_region_init(&g->hostmem, OBJECT(g), "virtio-gpu-hostmem",
+                           g->conf.hostmem);
+        pci_register_bar(&vpci_dev->pci_dev, 4,
+                         PCI_BASE_ADDRESS_SPACE_MEMORY |
+                         PCI_BASE_ADDRESS_MEM_PREFETCH |
+                         PCI_BASE_ADDRESS_MEM_TYPE_64,
+                         &g->hostmem);
+        virtio_pci_add_shm_cap(vpci_dev, 4, 0, g->conf.hostmem,
+                               VIRTIO_GPU_SHM_ID_HOST_VISIBLE);
+    }
+
     virtio_pci_force_virtio_1(vpci_dev);
     if (!qdev_realize(vdev, BUS(&vpci_dev->bus), errp)) {
         return;