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drm/i915/gvt: add VFIO EDID region

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Implement VFIO EDID region for vgpu. Support EDID blob update and notify
guest on link state change via hotplug event.

v3: move struct edid_region to kvmgt.c <zhenyu>
v2: add EDID sanity check and size update <zhenyu>

Tested-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Hang Yuan
2019-01-30 18:25:54 +08:00
committed by Zhenyu Wang
parent 1ca20f33df
commit 39c68e87bc
4 changed files with 167 additions and 0 deletions
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drivers/gpu/drm/i915/gvt/hypercall.h
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@@ -67,6 +67,7 @@ struct intel_gvt_mpt {
int (*set_trap_area)(unsigned long handle, u64 start, u64 end,
bool map);
int (*set_opregion)(void *vgpu);
int (*set_edid)(void *vgpu, int port_num);
int (*get_vfio_device)(void *vgpu);
void (*put_vfio_device)(void *vgpu);
bool (*is_valid_gfn)(unsigned long handle, unsigned long gfn);