diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.h | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index e4dcde78f3f9..d250013bc37b 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -88,6 +88,36 @@ enum { INTEL_GVT_MM_PPGTT, }; +typedef enum { + GTT_TYPE_INVALID = -1, + + GTT_TYPE_GGTT_PTE, + + GTT_TYPE_PPGTT_PTE_4K_ENTRY, + GTT_TYPE_PPGTT_PTE_2M_ENTRY, + GTT_TYPE_PPGTT_PTE_1G_ENTRY, + + GTT_TYPE_PPGTT_PTE_ENTRY, + + GTT_TYPE_PPGTT_PDE_ENTRY, + GTT_TYPE_PPGTT_PDP_ENTRY, + GTT_TYPE_PPGTT_PML4_ENTRY, + + GTT_TYPE_PPGTT_ROOT_ENTRY, + + GTT_TYPE_PPGTT_ROOT_L3_ENTRY, + GTT_TYPE_PPGTT_ROOT_L4_ENTRY, + + GTT_TYPE_PPGTT_ENTRY, + + GTT_TYPE_PPGTT_PTE_PT, + GTT_TYPE_PPGTT_PDE_PT, + GTT_TYPE_PPGTT_PDP_PT, + GTT_TYPE_PPGTT_PML4_PT, + + GTT_TYPE_MAX, +} intel_gvt_gtt_type_t; + struct intel_vgpu_mm { int type; bool initialized; @@ -151,6 +181,12 @@ extern void intel_vgpu_destroy_mm(struct kref *mm_ref); struct intel_vgpu_guest_page; +struct intel_vgpu_scratch_pt { + struct page *page; + unsigned long page_mfn; +}; + + struct intel_vgpu_gtt { struct intel_vgpu_mm *ggtt_mm; unsigned long active_ppgtt_mm_bitmap; @@ -160,8 +196,8 @@ struct intel_vgpu_gtt { atomic_t n_write_protected_guest_page; struct list_head oos_page_list_head; struct list_head post_shadow_list_head; - struct page *scratch_page; - unsigned long scratch_page_mfn; + struct intel_vgpu_scratch_pt scratch_pt[GTT_TYPE_MAX]; + }; extern int intel_vgpu_init_gtt(struct intel_vgpu *vgpu); |