diff options
| author | Xiong Zhang | 2017-11-20 08:31:15 +0100 |
|---|---|---|
| committer | Zhenyu Wang | 2017-12-04 04:24:32 +0100 |
| commit | 4dff110b15aea2f7653957a70921a7be1f45d59b (patch) | |
| tree | c2cc5634066a2e16c4fc61e53b189c48a3bcccfb /drivers/gpu/drm/i915/gvt/gvt.h | |
| parent | drm/i915/gvt: Fix out-of-bounds buffer write into opregion->signature[] (diff) | |
| download | kernel-qcow2-linux-4dff110b15aea2f7653957a70921a7be1f45d59b.tar.gz kernel-qcow2-linux-4dff110b15aea2f7653957a70921a7be1f45d59b.tar.xz kernel-qcow2-linux-4dff110b15aea2f7653957a70921a7be1f45d59b.zip | |
drm/i915/gvt: Alloc and Init guest opregion at vgpu creation
Currently guest opregion is allocated and initialised when guest
write opregion base register. This is too late for kvmgt, so
move it to vgpu_create time.
Signed-off-by: Xiong Zhang <xiong.y.zhang@intel.com>
Tested-by: Tina Zhang <tina.zhang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 393066726993..07d3ba0f7277 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -123,6 +123,7 @@ struct intel_vgpu_irq { }; struct intel_vgpu_opregion { + bool mapped; void *va; u32 gfn[INTEL_GVT_OPREGION_PAGES]; }; @@ -505,7 +506,8 @@ static inline u64 intel_vgpu_get_bar_gpa(struct intel_vgpu *vgpu, int bar) } void intel_vgpu_clean_opregion(struct intel_vgpu *vgpu); -int intel_vgpu_init_opregion(struct intel_vgpu *vgpu, u32 gpa); +int intel_vgpu_init_opregion(struct intel_vgpu *vgpu); +int intel_vgpu_opregion_base_write_handler(struct intel_vgpu *vgpu, u32 gpa); int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci); void populate_pvinfo_page(struct intel_vgpu *vgpu); |