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path: root/drivers/gpu/drm/i915/gvt/gtt.h
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Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.h')
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.h40
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);