1 files changed, 125 insertions, 70 deletions

diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index eca452a9851f..8054047840aa 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -30,19 +30,20 @@
 
 #include <drm/drm_mm.h>
 
-#include "gt/intel_ggtt_fencing.h"
 #include "gem/i915_gem_object.h"
-
-#include "i915_gem_gtt.h"
+#include "gt/intel_ggtt_fencing.h"
 
 #include "i915_active.h"
+#include "i915_gem_gtt.h"
+#include "i915_ptr_util.h"
 #include "i915_request.h"
+#include "i915_vma_resource.h"
 #include "i915_vma_types.h"
 
 struct i915_vma *
 i915_vma_instance(struct drm_i915_gem_object *obj,
 		  struct i915_address_space *vm,
-		  const struct i915_ggtt_view *view);
+		  const struct i915_gtt_view *view);
 
 void i915_vma_unpin_and_release(struct i915_vma **p_vma, unsigned int flags);
 #define I915_VMA_RELEASE_MAP BIT(0)
@@ -54,12 +55,18 @@ static inline bool i915_vma_is_active(const struct i915_vma *vma)
 
 /* do not reserve memory to prevent deadlocks */
 #define __EXEC_OBJECT_NO_RESERVE BIT(31)
+#define __EXEC_OBJECT_NO_REQUEST_AWAIT BIT(30)
 
-int __must_check __i915_vma_move_to_active(struct i915_vma *vma,
-					   struct i915_request *rq);
-int __must_check i915_vma_move_to_active(struct i915_vma *vma,
-					 struct i915_request *rq,
-					 unsigned int flags);
+int __must_check _i915_vma_move_to_active(struct i915_vma *vma,
+					  struct i915_request *rq,
+					  struct dma_fence *fence,
+					  unsigned int flags);
+static inline int __must_check
+i915_vma_move_to_active(struct i915_vma *vma, struct i915_request *rq,
+			unsigned int flags)
+{
+	return _i915_vma_move_to_active(vma, rq, &rq->fence, flags);
+}
 
 #define __i915_vma_flags(v) ((unsigned long *)&(v)->flags.counter)
 
@@ -118,13 +125,59 @@ static inline bool i915_vma_is_closed(const struct i915_vma *vma)
 	return !list_empty(&vma->closed_link);
 }
 
+/* Internal use only. */
+static inline u64 __i915_vma_size(const struct i915_vma *vma)
+{
+	return vma->node.size - 2 * vma->guard;
+}
+
+/**
+ * i915_vma_size - Obtain the va range size of the vma
+ * @vma: The vma
+ *
+ * GPU virtual address space may be allocated with padding. This
+ * function returns the effective virtual address range size
+ * with padding subtracted.
+ *
+ * Return: The effective virtual address range size.
+ */
+static inline u64 i915_vma_size(const struct i915_vma *vma)
+{
+	GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
+	return __i915_vma_size(vma);
+}
+
+/* Internal use only. */
+static inline u64 __i915_vma_offset(const struct i915_vma *vma)
+{
+	/* The actual start of the vma->pages is after the guard pages. */
+	return vma->node.start + vma->guard;
+}
+
+/**
+ * i915_vma_offset - Obtain the va offset of the vma
+ * @vma: The vma
+ *
+ * GPU virtual address space may be allocated with padding. This
+ * function returns the effective virtual address offset the gpu
+ * should use to access the bound data.
+ *
+ * Return: The effective virtual address offset.
+ */
+static inline u64 i915_vma_offset(const struct i915_vma *vma)
+{
+	GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
+	return __i915_vma_offset(vma);
+}
+
 static inline u32 i915_ggtt_offset(const struct i915_vma *vma)
 {
 	GEM_BUG_ON(!i915_vma_is_ggtt(vma));
 	GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
-	GEM_BUG_ON(upper_32_bits(vma->node.start));
-	GEM_BUG_ON(upper_32_bits(vma->node.start + vma->node.size - 1));
-	return lower_32_bits(vma->node.start);
+	GEM_BUG_ON(upper_32_bits(i915_vma_offset(vma)));
+	GEM_BUG_ON(upper_32_bits(i915_vma_offset(vma) +
+				 i915_vma_size(vma) - 1));
+	return lower_32_bits(i915_vma_offset(vma));
 }
 
 static inline u32 i915_ggtt_pin_bias(struct i915_vma *vma)
@@ -154,7 +207,7 @@ static inline void i915_vma_put(struct i915_vma *vma)
 static inline long
 i915_vma_compare(struct i915_vma *vma,
 		 struct i915_address_space *vm,
-		 const struct i915_ggtt_view *view)
+		 const struct i915_gtt_view *view)
 {
 	ptrdiff_t cmp;
 
@@ -164,8 +217,8 @@ i915_vma_compare(struct i915_vma *vma,
 	if (cmp)
 		return cmp;
 
-	BUILD_BUG_ON(I915_GGTT_VIEW_NORMAL != 0);
-	cmp = vma->ggtt_view.type;
+	BUILD_BUG_ON(I915_GTT_VIEW_NORMAL != 0);
+	cmp = vma->gtt_view.type;
 	if (!view)
 		return cmp;
 
@@ -175,7 +228,7 @@ i915_vma_compare(struct i915_vma *vma,
 
 	assert_i915_gem_gtt_types();
 
-	/* ggtt_view.type also encodes its size so that we both distinguish
+	/* gtt_view.type also encodes its size so that we both distinguish
 	 * different views using it as a "type" and also use a compact (no
 	 * accessing of uninitialised padding bytes) memcmp without storing
 	 * an extra parameter or adding more code.
@@ -185,84 +238,59 @@ i915_vma_compare(struct i915_vma *vma,
 	 * we assert above that all branches have the same address, and that
 	 * each branch has a unique type/size.
 	 */
-	BUILD_BUG_ON(I915_GGTT_VIEW_NORMAL >= I915_GGTT_VIEW_PARTIAL);
-	BUILD_BUG_ON(I915_GGTT_VIEW_PARTIAL >= I915_GGTT_VIEW_ROTATED);
-	BUILD_BUG_ON(I915_GGTT_VIEW_ROTATED >= I915_GGTT_VIEW_REMAPPED);
+	BUILD_BUG_ON(I915_GTT_VIEW_NORMAL >= I915_GTT_VIEW_PARTIAL);
+	BUILD_BUG_ON(I915_GTT_VIEW_PARTIAL >= I915_GTT_VIEW_ROTATED);
+	BUILD_BUG_ON(I915_GTT_VIEW_ROTATED >= I915_GTT_VIEW_REMAPPED);
 	BUILD_BUG_ON(offsetof(typeof(*view), rotated) !=
 		     offsetof(typeof(*view), partial));
 	BUILD_BUG_ON(offsetof(typeof(*view), rotated) !=
 		     offsetof(typeof(*view), remapped));
-	return memcmp(&vma->ggtt_view.partial, &view->partial, view->type);
+	return memcmp(&vma->gtt_view.partial, &view->partial, view->type);
 }
 
 struct i915_vma_work *i915_vma_work(void);
 int i915_vma_bind(struct i915_vma *vma,
-		  enum i915_cache_level cache_level,
+		  unsigned int pat_index,
 		  u32 flags,
-		  struct i915_vma_work *work);
+		  struct i915_vma_work *work,
+		  struct i915_vma_resource *vma_res);
 
 bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long color);
 bool i915_vma_misplaced(const struct i915_vma *vma,
 			u64 size, u64 alignment, u64 flags);
 void __i915_vma_set_map_and_fenceable(struct i915_vma *vma);
 void i915_vma_revoke_mmap(struct i915_vma *vma);
-void __i915_vma_evict(struct i915_vma *vma);
+void vma_invalidate_tlb(struct i915_address_space *vm, u32 *tlb);
+struct dma_fence *__i915_vma_evict(struct i915_vma *vma, bool async);
 int __i915_vma_unbind(struct i915_vma *vma);
 int __must_check i915_vma_unbind(struct i915_vma *vma);
+int __must_check i915_vma_unbind_async(struct i915_vma *vma, bool trylock_vm);
+int __must_check i915_vma_unbind_unlocked(struct i915_vma *vma);
 void i915_vma_unlink_ctx(struct i915_vma *vma);
 void i915_vma_close(struct i915_vma *vma);
 void i915_vma_reopen(struct i915_vma *vma);
 
-static inline struct i915_vma *__i915_vma_get(struct i915_vma *vma)
-{
-	if (kref_get_unless_zero(&vma->ref))
-		return vma;
+void i915_vma_destroy_locked(struct i915_vma *vma);
+void i915_vma_destroy(struct i915_vma *vma);
 
-	return NULL;
-}
-
-void i915_vma_release(struct kref *ref);
-static inline void __i915_vma_put(struct i915_vma *vma)
-{
-	kref_put(&vma->ref, i915_vma_release);
-}
-
-#define assert_vma_held(vma) dma_resv_assert_held((vma)->resv)
+#define assert_vma_held(vma) dma_resv_assert_held((vma)->obj->base.resv)
 
 static inline void i915_vma_lock(struct i915_vma *vma)
 {
-	dma_resv_lock(vma->resv, NULL);
+	dma_resv_lock(vma->obj->base.resv, NULL);
 }
 
 static inline void i915_vma_unlock(struct i915_vma *vma)
 {
-	dma_resv_unlock(vma->resv);
+	dma_resv_unlock(vma->obj->base.resv);
 }
 
 int __must_check
 i915_vma_pin_ww(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 		u64 size, u64 alignment, u64 flags);
 
-static inline int __must_check
-i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
-{
-	struct i915_gem_ww_ctx ww;
-	int err;
-
-	i915_gem_ww_ctx_init(&ww, true);
-retry:
-	err = i915_gem_object_lock(vma->obj, &ww);
-	if (!err)
-		err = i915_vma_pin_ww(vma, &ww, size, alignment, flags);
-	if (err == -EDEADLK) {
-		err = i915_gem_ww_ctx_backoff(&ww);
-		if (!err)
-			goto retry;
-	}
-	i915_gem_ww_ctx_fini(&ww);
-
-	return err;
-}
+int __must_check
+i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags);
 
 int i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww,
 		  u32 align, unsigned int flags);
@@ -307,6 +335,11 @@ static inline bool i915_node_color_differs(const struct drm_mm_node *node,
 	return drm_mm_node_allocated(node) && node->color != color;
 }
 
+static inline void __iomem *i915_vma_get_iomap(struct i915_vma *vma)
+{
+	return READ_ONCE(vma->iomap);
+}
+
 /**
  * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture
  * @vma: VMA to iomap
@@ -319,7 +352,6 @@ static inline bool i915_node_color_differs(const struct drm_mm_node *node,
  * Returns a valid iomapped pointer or ERR_PTR.
  */
 void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
-#define IO_ERR_PTR(x) ((void __iomem *)ERR_PTR(x))
 
 /**
  * i915_vma_unpin_iomap - unpins the mapping returned from i915_vma_iomap
@@ -332,12 +364,6 @@ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma);
  */
 void i915_vma_unpin_iomap(struct i915_vma *vma);
 
-static inline struct page *i915_vma_first_page(struct i915_vma *vma)
-{
-	GEM_BUG_ON(!vma->pages);
-	return sg_page(vma->pages->sgl);
-}
-
 /**
  * i915_vma_pin_fence - pin fencing state
  * @vma: vma to pin fencing for
@@ -350,7 +376,6 @@ static inline struct page *i915_vma_first_page(struct i915_vma *vma)
  * i915_vma_unpin_fence().
  *
  * Returns:
- *
  * True if the vma has a fence, false otherwise.
  */
 int __must_check i915_vma_pin_fence(struct i915_vma *vma);
@@ -379,6 +404,11 @@ i915_vma_unpin_fence(struct i915_vma *vma)
 		__i915_vma_unpin_fence(vma);
 }
 
+static inline int i915_vma_fence_id(const struct i915_vma *vma)
+{
+	return vma->fence ? vma->fence->id : -1;
+}
+
 void i915_vma_parked(struct intel_gt *gt);
 
 static inline bool i915_vma_is_scanout(const struct i915_vma *vma)
@@ -396,6 +426,8 @@ static inline void i915_vma_clear_scanout(struct i915_vma *vma)
 	clear_bit(I915_VMA_SCANOUT_BIT, __i915_vma_flags(vma));
 }
 
+void i915_ggtt_clear_scanout(struct drm_i915_gem_object *obj);
+
 #define for_each_until(cond) if (cond) break; else
 
 /**
@@ -411,9 +443,6 @@ static inline void i915_vma_clear_scanout(struct i915_vma *vma)
 	list_for_each_entry(V, &(OBJ)->vma.list, obj_link)		\
 		for_each_until(!i915_vma_is_ggtt(V))
 
-struct i915_vma *i915_vma_alloc(void);
-void i915_vma_free(struct i915_vma *vma);
-
 struct i915_vma *i915_vma_make_unshrinkable(struct i915_vma *vma);
 void i915_vma_make_shrinkable(struct i915_vma *vma);
 void i915_vma_make_purgeable(struct i915_vma *vma);
@@ -426,4 +455,30 @@ static inline int i915_vma_sync(struct i915_vma *vma)
 	return i915_active_wait(&vma->active);
 }
 
+/**
+ * i915_vma_get_current_resource - Get the current resource of the vma
+ * @vma: The vma to get the current resource from.
+ *
+ * It's illegal to call this function if the vma is not bound.
+ *
+ * Return: A refcounted pointer to the current vma resource
+ * of the vma, assuming the vma is bound.
+ */
+static inline struct i915_vma_resource *
+i915_vma_get_current_resource(struct i915_vma *vma)
+{
+	return i915_vma_resource_get(vma->resource);
+}
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+void i915_vma_resource_init_from_vma(struct i915_vma_resource *vma_res,
+				     struct i915_vma *vma);
+#endif
+
+void i915_vma_module_exit(void);
+int i915_vma_module_init(void);
+
+I915_SELFTEST_DECLARE(int i915_vma_get_pages(struct i915_vma *vma));
+I915_SELFTEST_DECLARE(void i915_vma_put_pages(struct i915_vma *vma));
+
 #endif