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authorVivek Kasireddy <vivek.kasireddy@intel.com>2021-05-26 16:14:18 -0700
committerGerd Hoffmann <kraxel@redhat.com>2021-05-27 12:06:37 +0200
commit9b60cdf98723b52d32fdd131f709923e05c0000f (patch)
tree9ae8590f80a311df9f74a04049ad16da150a1ddf /hw/display/meson.build
parent4d010861611641c225a889d777e2670e3b8e4b3c (diff)
virtio-gpu: Add udmabuf helpers
Add helper functions to create a dmabuf for a resource and mmap it. Also, introduce the fields blob and blob_size so that these helpers can start to use them but the full picture will emerge only after adding create_blob API in patch 8 of this series. To be able to create a dmabuf using the udmabuf driver, Qemu needs to be lauched with the memfd memory backend like this: qemu-system-x86_64 -m 8192m -object memory-backend-memfd,id=mem1,size=8192M -machine memory-backend=mem1 Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com> Message-Id: <20210526231429.1045476-4-vivek.kasireddy@intel.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display/meson.build')
-rw-r--r--hw/display/meson.build1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/display/meson.build b/hw/display/meson.build
index aaf797c5e9..e1f473c1df 100644
--- a/hw/display/meson.build
+++ b/hw/display/meson.build
@@ -56,6 +56,7 @@ if config_all_devices.has_key('CONFIG_VIRTIO_GPU')
virtio_gpu_ss = ss.source_set()
virtio_gpu_ss.add(when: 'CONFIG_VIRTIO_GPU',
if_true: [files('virtio-gpu-base.c', 'virtio-gpu.c'), pixman])
+ virtio_gpu_ss.add(when: 'CONFIG_LINUX', if_true: files('virtio-gpu-udmabuf.c'))
virtio_gpu_ss.add(when: 'CONFIG_VHOST_USER_GPU', if_true: files('vhost-user-gpu.c'))
hw_display_modules += {'virtio-gpu': virtio_gpu_ss}