Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Chris Wilson | 1060 | 57.64% | 73 | 60.33% |
Daniel Vetter | 216 | 11.75% | 6 | 4.96% |
Joonas Lahtinen | 191 | 10.39% | 1 | 0.83% |
Maarten Lankhorst | 124 | 6.74% | 9 | 7.44% |
Ben Widawsky | 56 | 3.05% | 9 | 7.44% |
Thomas Hellstrom | 52 | 2.83% | 5 | 4.13% |
Matthew Brost | 27 | 1.47% | 1 | 0.83% |
Tvrtko A. Ursulin | 24 | 1.31% | 2 | 1.65% |
Matthew Auld | 24 | 1.31% | 3 | 2.48% |
Jakub Bartmiński | 15 | 0.82% | 1 | 0.83% |
Imre Deak | 13 | 0.71% | 2 | 1.65% |
Ville Syrjälä | 12 | 0.65% | 2 | 1.65% |
Niranjana Vishwanathapura | 12 | 0.65% | 1 | 0.83% |
Ander Conselvan de Oliveira | 4 | 0.22% | 1 | 0.83% |
Andrzej Hajda | 4 | 0.22% | 1 | 0.83% |
Christian König | 2 | 0.11% | 1 | 0.83% |
Mika Kuoppala | 1 | 0.05% | 1 | 0.83% |
Zou Nan hai | 1 | 0.05% | 1 | 0.83% |
Mauro Carvalho Chehab | 1 | 0.05% | 1 | 0.83% |
Total | 1839 | 121 |
/* * Copyright © 2016 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * */ #ifndef __I915_VMA_H__ #define __I915_VMA_H__ #include <linux/io-mapping.h> #include <linux/rbtree.h> #include <drm/drm_mm.h> #include "gt/intel_ggtt_fencing.h" #include "gem/i915_gem_object.h" #include "i915_gem_gtt.h" #include "i915_active.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_gtt_view *view); void i915_vma_unpin_and_release(struct i915_vma **p_vma, unsigned int flags); #define I915_VMA_RELEASE_MAP BIT(0) static inline bool i915_vma_is_active(const struct i915_vma *vma) { return !i915_active_is_idle(&vma->active); } /* 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, 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) static inline bool i915_vma_is_ggtt(const struct i915_vma *vma) { return test_bit(I915_VMA_GGTT_BIT, __i915_vma_flags(vma)); } static inline bool i915_vma_is_dpt(const struct i915_vma *vma) { return i915_is_dpt(vma->vm); } static inline bool i915_vma_has_ggtt_write(const struct i915_vma *vma) { return test_bit(I915_VMA_GGTT_WRITE_BIT, __i915_vma_flags(vma)); } static inline void i915_vma_set_ggtt_write(struct i915_vma *vma) { GEM_BUG_ON(!i915_vma_is_ggtt(vma)); set_bit(I915_VMA_GGTT_WRITE_BIT, __i915_vma_flags(vma)); } static inline bool i915_vma_unset_ggtt_write(struct i915_vma *vma) { return test_and_clear_bit(I915_VMA_GGTT_WRITE_BIT, __i915_vma_flags(vma)); } void i915_vma_flush_writes(struct i915_vma *vma); static inline bool i915_vma_is_map_and_fenceable(const struct i915_vma *vma) { return test_bit(I915_VMA_CAN_FENCE_BIT, __i915_vma_flags(vma)); } static inline bool i915_vma_set_userfault(struct i915_vma *vma) { GEM_BUG_ON(!i915_vma_is_map_and_fenceable(vma)); return test_and_set_bit(I915_VMA_USERFAULT_BIT, __i915_vma_flags(vma)); } static inline void i915_vma_unset_userfault(struct i915_vma *vma) { return clear_bit(I915_VMA_USERFAULT_BIT, __i915_vma_flags(vma)); } static inline bool i915_vma_has_userfault(const struct i915_vma *vma) { return test_bit(I915_VMA_USERFAULT_BIT, __i915_vma_flags(vma)); } 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_offset - 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(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) { return i915_vm_to_ggtt(vma->vm)->pin_bias; } static inline struct i915_vma *i915_vma_get(struct i915_vma *vma) { i915_gem_object_get(vma->obj); return vma; } static inline struct i915_vma *i915_vma_tryget(struct i915_vma *vma) { if (likely(kref_get_unless_zero(&vma->obj->base.refcount))) return vma; return NULL; } static inline void i915_vma_put(struct i915_vma *vma) { i915_gem_object_put(vma->obj); } static inline long i915_vma_compare(struct i915_vma *vma, struct i915_address_space *vm, const struct i915_gtt_view *view) { ptrdiff_t cmp; GEM_BUG_ON(view && !i915_is_ggtt_or_dpt(vm)); cmp = ptrdiff(vma->vm, vm); if (cmp) return cmp; BUILD_BUG_ON(I915_GTT_VIEW_NORMAL != 0); cmp = vma->gtt_view.type; if (!view) return cmp; cmp -= view->type; if (cmp) return cmp; assert_i915_gem_gtt_types(); /* 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. * * To ensure that the memcmp is valid for all branches of the union, * even though the code looks like it is just comparing one branch, * we assert above that all branches have the same address, and that * each branch has a unique type/size. */ 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->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, u32 flags, 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 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); void i915_vma_destroy_locked(struct i915_vma *vma); void i915_vma_destroy(struct i915_vma *vma); #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->obj->base.resv, NULL); } static inline void i915_vma_unlock(struct i915_vma *vma) { 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 i915_ggtt_pin(struct i915_vma *vma, struct i915_gem_ww_ctx *ww, u32 align, unsigned int flags); static inline int i915_vma_pin_count(const struct i915_vma *vma) { return atomic_read(&vma->flags) & I915_VMA_PIN_MASK; } static inline bool i915_vma_is_pinned(const struct i915_vma *vma) { return i915_vma_pin_count(vma); } static inline void __i915_vma_pin(struct i915_vma *vma) { atomic_inc(&vma->flags); GEM_BUG_ON(!i915_vma_is_pinned(vma)); } static inline void __i915_vma_unpin(struct i915_vma *vma) { GEM_BUG_ON(!i915_vma_is_pinned(vma)); atomic_dec(&vma->flags); } static inline void i915_vma_unpin(struct i915_vma *vma) { GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); __i915_vma_unpin(vma); } static inline bool i915_vma_is_bound(const struct i915_vma *vma, unsigned int where) { return atomic_read(&vma->flags) & where; } static inline bool i915_node_color_differs(const struct drm_mm_node *node, unsigned long color) { return drm_mm_node_allocated(node) && node->color != color; } /** * i915_vma_pin_iomap - calls ioremap_wc to map the GGTT VMA via the aperture * @vma: VMA to iomap * * The passed in VMA has to be pinned in the global GTT mappable region. * An extra pinning of the VMA is acquired for the return iomapping, * the caller must call i915_vma_unpin_iomap to relinquish the pinning * after the iomapping is no longer required. * * Returns a valid iomapped pointer or ERR_PTR. */ void __iomem *i915_vma_pin_iomap(struct i915_vma *vma); /** * i915_vma_unpin_iomap - unpins the mapping returned from i915_vma_iomap * @vma: VMA to unpin * * Unpins the previously iomapped VMA from i915_vma_pin_iomap(). * * This function is only valid to be called on a VMA previously * iomapped by the caller with i915_vma_pin_iomap(). */ void i915_vma_unpin_iomap(struct i915_vma *vma); /** * i915_vma_pin_fence - pin fencing state * @vma: vma to pin fencing for * * This pins the fencing state (whether tiled or untiled) to make sure the * vma (and its object) is ready to be used as a scanout target. Fencing * status must be synchronize first by calling i915_vma_get_fence(): * * The resulting fence pin reference must be released again with * 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); void i915_vma_revoke_fence(struct i915_vma *vma); int __i915_vma_pin_fence(struct i915_vma *vma); static inline void __i915_vma_unpin_fence(struct i915_vma *vma) { GEM_BUG_ON(atomic_read(&vma->fence->pin_count) <= 0); atomic_dec(&vma->fence->pin_count); } /** * i915_vma_unpin_fence - unpin fencing state * @vma: vma to unpin fencing for * * This releases the fence pin reference acquired through * i915_vma_pin_fence. It will handle both objects with and without an * attached fence correctly, callers do not need to distinguish this. */ static inline void i915_vma_unpin_fence(struct i915_vma *vma) { if (vma->fence) __i915_vma_unpin_fence(vma); } void i915_vma_parked(struct intel_gt *gt); static inline bool i915_vma_is_scanout(const struct i915_vma *vma) { return test_bit(I915_VMA_SCANOUT_BIT, __i915_vma_flags(vma)); } static inline void i915_vma_mark_scanout(struct i915_vma *vma) { set_bit(I915_VMA_SCANOUT_BIT, __i915_vma_flags(vma)); } static inline void i915_vma_clear_scanout(struct i915_vma *vma) { clear_bit(I915_VMA_SCANOUT_BIT, __i915_vma_flags(vma)); } #define for_each_until(cond) if (cond) break; else /** * for_each_ggtt_vma - Iterate over the GGTT VMA belonging to an object. * @V: the #i915_vma iterator * @OBJ: the #drm_i915_gem_object * * GGTT VMA are placed at the being of the object's vma_list, see * vma_create(), so we can stop our walk as soon as we see a ppgtt VMA, * or the list is empty ofc. */ #define for_each_ggtt_vma(V, OBJ) \ list_for_each_entry(V, &(OBJ)->vma.list, obj_link) \ for_each_until(!i915_vma_is_ggtt(V)) 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); int i915_vma_wait_for_bind(struct i915_vma *vma); static inline int i915_vma_sync(struct i915_vma *vma) { /* Wait for the asynchronous bindings and pending GPU reads */ 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
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