#include "amdgpu_gds.h"
#include "amdgpu_sync.h"
#include "amdgpu_ring.h"
+#include "amdgpu_vm.h"
#include "amd_powerplay.h"
#include "amdgpu_acp.h"
struct amdgpu_device;
struct amdgpu_ib;
-struct amdgpu_vm;
struct amdgpu_cs_parser;
struct amdgpu_job;
struct amdgpu_irq_src;
struct amd_sched_entity *entity, void *owner,
struct fence **f);
-/*
- * VM
- */
-
-/* maximum number of VMIDs */
-#define AMDGPU_NUM_VM 16
-
-/* Maximum number of PTEs the hardware can write with one command */
-#define AMDGPU_VM_MAX_UPDATE_SIZE 0x3FFFF
-
-/* number of entries in page table */
-#define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
-
-/* PTBs (Page Table Blocks) need to be aligned to 32K */
-#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
-
-/* LOG2 number of continuous pages for the fragment field */
-#define AMDGPU_LOG2_PAGES_PER_FRAG 4
-
-#define AMDGPU_PTE_VALID (1 << 0)
-#define AMDGPU_PTE_SYSTEM (1 << 1)
-#define AMDGPU_PTE_SNOOPED (1 << 2)
-
-/* VI only */
-#define AMDGPU_PTE_EXECUTABLE (1 << 4)
-
-#define AMDGPU_PTE_READABLE (1 << 5)
-#define AMDGPU_PTE_WRITEABLE (1 << 6)
-
-#define AMDGPU_PTE_FRAG(x) ((x & 0x1f) << 7)
-
-/* How to programm VM fault handling */
-#define AMDGPU_VM_FAULT_STOP_NEVER 0
-#define AMDGPU_VM_FAULT_STOP_FIRST 1
-#define AMDGPU_VM_FAULT_STOP_ALWAYS 2
-
-struct amdgpu_vm_pt {
- struct amdgpu_bo *bo;
- uint64_t addr;
-};
-
-struct amdgpu_vm {
- /* tree of virtual addresses mapped */
- struct rb_root va;
-
- /* protecting invalidated */
- spinlock_t status_lock;
-
- /* BOs moved, but not yet updated in the PT */
- struct list_head invalidated;
-
- /* BOs cleared in the PT because of a move */
- struct list_head cleared;
-
- /* BO mappings freed, but not yet updated in the PT */
- struct list_head freed;
-
- /* contains the page directory */
- struct amdgpu_bo *page_directory;
- unsigned max_pde_used;
- struct fence *page_directory_fence;
- uint64_t last_eviction_counter;
-
- /* array of page tables, one for each page directory entry */
- struct amdgpu_vm_pt *page_tables;
-
- /* for id and flush management per ring */
- struct amdgpu_vm_id *ids[AMDGPU_MAX_RINGS];
-
- /* protecting freed */
- spinlock_t freed_lock;
-
- /* Scheduler entity for page table updates */
- struct amd_sched_entity entity;
-
- /* client id */
- u64 client_id;
-};
-
-struct amdgpu_vm_id {
- struct list_head list;
- struct fence *first;
- struct amdgpu_sync active;
- struct fence *last_flush;
- atomic64_t owner;
-
- uint64_t pd_gpu_addr;
- /* last flushed PD/PT update */
- struct fence *flushed_updates;
-
- uint32_t current_gpu_reset_count;
-
- uint32_t gds_base;
- uint32_t gds_size;
- uint32_t gws_base;
- uint32_t gws_size;
- uint32_t oa_base;
- uint32_t oa_size;
-};
-
-struct amdgpu_vm_manager {
- /* Handling of VMIDs */
- struct mutex lock;
- unsigned num_ids;
- struct list_head ids_lru;
- struct amdgpu_vm_id ids[AMDGPU_NUM_VM];
-
- /* Handling of VM fences */
- u64 fence_context;
- unsigned seqno[AMDGPU_MAX_RINGS];
-
- uint32_t max_pfn;
- /* vram base address for page table entry */
- u64 vram_base_offset;
- /* is vm enabled? */
- bool enabled;
- /* vm pte handling */
- const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
- struct amdgpu_ring *vm_pte_rings[AMDGPU_MAX_RINGS];
- unsigned vm_pte_num_rings;
- atomic_t vm_pte_next_ring;
- /* client id counter */
- atomic64_t client_counter;
-};
-
-void amdgpu_vm_manager_init(struct amdgpu_device *adev);
-void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
-int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
-void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
-void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
- struct list_head *validated,
- struct amdgpu_bo_list_entry *entry);
-int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- int (*callback)(void *p, struct amdgpu_bo *bo),
- void *param);
-void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
- struct amdgpu_vm *vm);
-int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
- struct amdgpu_sync *sync, struct fence *fence,
- struct amdgpu_job *job);
-int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job);
-void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vm_id);
-int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
- struct amdgpu_vm *vm);
-int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
- struct amdgpu_vm *vm);
-int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- struct amdgpu_sync *sync);
-int amdgpu_vm_bo_update(struct amdgpu_device *adev,
- struct amdgpu_bo_va *bo_va,
- bool clear);
-void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
- struct amdgpu_bo *bo);
-struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
- struct amdgpu_bo *bo);
-struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
- struct amdgpu_vm *vm,
- struct amdgpu_bo *bo);
-int amdgpu_vm_bo_map(struct amdgpu_device *adev,
- struct amdgpu_bo_va *bo_va,
- uint64_t addr, uint64_t offset,
- uint64_t size, uint32_t flags);
-int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
- struct amdgpu_bo_va *bo_va,
- uint64_t addr);
-void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
- struct amdgpu_bo_va *bo_va);
-
/*
* context related structures
*/
--- /dev/null
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ * Authors: Christian König
+ */
+#ifndef __AMDGPU_VM_H__
+#define __AMDGPU_VM_H__
+
+#include <linux/rbtree.h>
+
+#include "gpu_scheduler.h"
+#include "amdgpu_sync.h"
+#include "amdgpu_ring.h"
+
+struct amdgpu_bo_va;
+struct amdgpu_job;
+struct amdgpu_bo_list_entry;
+
+/*
+ * GPUVM handling
+ */
+
+/* maximum number of VMIDs */
+#define AMDGPU_NUM_VM 16
+
+/* Maximum number of PTEs the hardware can write with one command */
+#define AMDGPU_VM_MAX_UPDATE_SIZE 0x3FFFF
+
+/* number of entries in page table */
+#define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
+
+/* PTBs (Page Table Blocks) need to be aligned to 32K */
+#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
+
+/* LOG2 number of continuous pages for the fragment field */
+#define AMDGPU_LOG2_PAGES_PER_FRAG 4
+
+#define AMDGPU_PTE_VALID (1 << 0)
+#define AMDGPU_PTE_SYSTEM (1 << 1)
+#define AMDGPU_PTE_SNOOPED (1 << 2)
+
+/* VI only */
+#define AMDGPU_PTE_EXECUTABLE (1 << 4)
+
+#define AMDGPU_PTE_READABLE (1 << 5)
+#define AMDGPU_PTE_WRITEABLE (1 << 6)
+
+#define AMDGPU_PTE_FRAG(x) ((x & 0x1f) << 7)
+
+/* How to programm VM fault handling */
+#define AMDGPU_VM_FAULT_STOP_NEVER 0
+#define AMDGPU_VM_FAULT_STOP_FIRST 1
+#define AMDGPU_VM_FAULT_STOP_ALWAYS 2
+
+struct amdgpu_vm_pt {
+ struct amdgpu_bo *bo;
+ uint64_t addr;
+};
+
+struct amdgpu_vm {
+ /* tree of virtual addresses mapped */
+ struct rb_root va;
+
+ /* protecting invalidated */
+ spinlock_t status_lock;
+
+ /* BOs moved, but not yet updated in the PT */
+ struct list_head invalidated;
+
+ /* BOs cleared in the PT because of a move */
+ struct list_head cleared;
+
+ /* BO mappings freed, but not yet updated in the PT */
+ struct list_head freed;
+
+ /* contains the page directory */
+ struct amdgpu_bo *page_directory;
+ unsigned max_pde_used;
+ struct fence *page_directory_fence;
+ uint64_t last_eviction_counter;
+
+ /* array of page tables, one for each page directory entry */
+ struct amdgpu_vm_pt *page_tables;
+
+ /* for id and flush management per ring */
+ struct amdgpu_vm_id *ids[AMDGPU_MAX_RINGS];
+
+ /* protecting freed */
+ spinlock_t freed_lock;
+
+ /* Scheduler entity for page table updates */
+ struct amd_sched_entity entity;
+
+ /* client id */
+ u64 client_id;
+};
+
+struct amdgpu_vm_id {
+ struct list_head list;
+ struct fence *first;
+ struct amdgpu_sync active;
+ struct fence *last_flush;
+ atomic64_t owner;
+
+ uint64_t pd_gpu_addr;
+ /* last flushed PD/PT update */
+ struct fence *flushed_updates;
+
+ uint32_t current_gpu_reset_count;
+
+ uint32_t gds_base;
+ uint32_t gds_size;
+ uint32_t gws_base;
+ uint32_t gws_size;
+ uint32_t oa_base;
+ uint32_t oa_size;
+};
+
+struct amdgpu_vm_manager {
+ /* Handling of VMIDs */
+ struct mutex lock;
+ unsigned num_ids;
+ struct list_head ids_lru;
+ struct amdgpu_vm_id ids[AMDGPU_NUM_VM];
+
+ /* Handling of VM fences */
+ u64 fence_context;
+ unsigned seqno[AMDGPU_MAX_RINGS];
+
+ uint32_t max_pfn;
+ /* vram base address for page table entry */
+ u64 vram_base_offset;
+ /* is vm enabled? */
+ bool enabled;
+ /* vm pte handling */
+ const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
+ struct amdgpu_ring *vm_pte_rings[AMDGPU_MAX_RINGS];
+ unsigned vm_pte_num_rings;
+ atomic_t vm_pte_next_ring;
+ /* client id counter */
+ atomic64_t client_counter;
+};
+
+void amdgpu_vm_manager_init(struct amdgpu_device *adev);
+void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
+int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
+ struct list_head *validated,
+ struct amdgpu_bo_list_entry *entry);
+int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ int (*callback)(void *p, struct amdgpu_bo *bo),
+ void *param);
+void amdgpu_vm_move_pt_bos_in_lru(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
+ struct amdgpu_sync *sync, struct fence *fence,
+ struct amdgpu_job *job);
+int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job);
+void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vm_id);
+int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_clear_invalids(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ struct amdgpu_sync *sync);
+int amdgpu_vm_bo_update(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ bool clear);
+void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
+ struct amdgpu_bo *bo);
+struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
+ struct amdgpu_bo *bo);
+struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct amdgpu_bo *bo);
+int amdgpu_vm_bo_map(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ uint64_t addr, uint64_t offset,
+ uint64_t size, uint32_t flags);
+int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ uint64_t addr);
+void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va);
+
+#endif
projects / linux.git / commitdiff