Lines Matching full:vm

120 	 * @vm: pointer to the amdgpu_vm structure to set the fence sequence on
122 struct amdgpu_vm *vm; member
131 * amdgpu_vm_set_pasid - manage pasid and vm ptr mapping
134 * @vm: amdgpu_vm pointer
135 * @pasid: the pasid the VM is using on this GPU
137 * Set the pasid this VM is using on this GPU, can also be used to remove the
141 int amdgpu_vm_set_pasid(struct amdgpu_device *adev, struct amdgpu_vm *vm, in amdgpu_vm_set_pasid() argument
146 if (vm->pasid == pasid) in amdgpu_vm_set_pasid()
149 if (vm->pasid) { in amdgpu_vm_set_pasid()
150 r = xa_err(xa_erase_irq(&adev->vm_manager.pasids, vm->pasid)); in amdgpu_vm_set_pasid()
154 vm->pasid = 0; in amdgpu_vm_set_pasid()
158 r = xa_err(xa_store_irq(&adev->vm_manager.pasids, pasid, vm, in amdgpu_vm_set_pasid()
163 vm->pasid = pasid; in amdgpu_vm_set_pasid()
175 * State for PDs/PTs and per VM BOs which are not at the location they should
180 struct amdgpu_vm *vm = vm_bo->vm; in amdgpu_vm_bo_evicted() local
184 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_evicted()
186 list_move(&vm_bo->vm_status, &vm->evicted); in amdgpu_vm_bo_evicted()
188 list_move_tail(&vm_bo->vm_status, &vm->evicted); in amdgpu_vm_bo_evicted()
189 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_evicted()
196 * State for per VM BOs which are moved, but that change is not yet reflected
201 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_moved()
202 list_move(&vm_bo->vm_status, &vm_bo->vm->moved); in amdgpu_vm_bo_moved()
203 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_moved()
211 * State for PDs/PTs and per VM BOs which have gone through the state machine
216 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_idle()
217 list_move(&vm_bo->vm_status, &vm_bo->vm->idle); in amdgpu_vm_bo_idle()
218 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_idle()
232 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_invalidated()
233 list_move(&vm_bo->vm_status, &vm_bo->vm->invalidated); in amdgpu_vm_bo_invalidated()
234 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_invalidated()
248 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_evicted_user()
249 list_move(&vm_bo->vm_status, &vm_bo->vm->evicted_user); in amdgpu_vm_bo_evicted_user()
250 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_evicted_user()
264 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_relocated()
265 list_move(&vm_bo->vm_status, &vm_bo->vm->relocated); in amdgpu_vm_bo_relocated()
266 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_relocated()
282 spin_lock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_done()
283 list_move(&vm_bo->vm_status, &vm_bo->vm->done); in amdgpu_vm_bo_done()
284 spin_unlock(&vm_bo->vm->status_lock); in amdgpu_vm_bo_done()
289 * @vm: the VM which state machine to reset
291 * Move all vm_bo object in the VM into a state where they will be updated
294 static void amdgpu_vm_bo_reset_state_machine(struct amdgpu_vm *vm) in amdgpu_vm_bo_reset_state_machine() argument
298 spin_lock(&vm->status_lock); in amdgpu_vm_bo_reset_state_machine()
299 list_splice_init(&vm->done, &vm->invalidated); in amdgpu_vm_bo_reset_state_machine()
300 list_for_each_entry(vm_bo, &vm->invalidated, vm_status) in amdgpu_vm_bo_reset_state_machine()
302 list_for_each_entry_safe(vm_bo, tmp, &vm->idle, vm_status) { in amdgpu_vm_bo_reset_state_machine()
307 list_move(&vm_bo->vm_status, &vm_bo->vm->moved); in amdgpu_vm_bo_reset_state_machine()
309 list_move(&vm_bo->vm_status, &vm_bo->vm->relocated); in amdgpu_vm_bo_reset_state_machine()
311 spin_unlock(&vm->status_lock); in amdgpu_vm_bo_reset_state_machine()
316 * @base: base structure for tracking BO usage in a VM
318 * Takes the vm status_lock and updates the shared memory stat. If the basic
324 struct amdgpu_vm *vm = base->vm; in amdgpu_vm_update_shared() local
330 spin_lock(&vm->status_lock); in amdgpu_vm_update_shared()
335 vm->stats[bo_memtype].drm.shared += size; in amdgpu_vm_update_shared()
336 vm->stats[bo_memtype].drm.private -= size; in amdgpu_vm_update_shared()
338 vm->stats[bo_memtype].drm.shared -= size; in amdgpu_vm_update_shared()
339 vm->stats[bo_memtype].drm.private += size; in amdgpu_vm_update_shared()
342 spin_unlock(&vm->status_lock); in amdgpu_vm_update_shared()
349 * Update the per VM stats for all the vm if needed from private to shared or
362 * @base: base structure for tracking BO usage in a VM
367 * Caller need to have the vm status_lock held. Useful for when multiple update
373 struct amdgpu_vm *vm = base->vm; in amdgpu_vm_update_stats_locked() local
382 vm->stats[bo_memtype].drm.shared += size; in amdgpu_vm_update_stats_locked()
384 vm->stats[bo_memtype].drm.private += size; in amdgpu_vm_update_stats_locked()
389 vm->stats[res_memtype].drm.resident += size; in amdgpu_vm_update_stats_locked()
394 vm->stats[res_memtype].drm.purgeable += size; in amdgpu_vm_update_stats_locked()
396 vm->stats[bo_memtype].evicted += size; in amdgpu_vm_update_stats_locked()
402 * @base: base structure for tracking BO usage in a VM
412 struct amdgpu_vm *vm = base->vm; in amdgpu_vm_update_stats() local
414 spin_lock(&vm->status_lock); in amdgpu_vm_update_stats()
416 spin_unlock(&vm->status_lock); in amdgpu_vm_update_stats()
420 * amdgpu_vm_bo_base_init - Adds bo to the list of bos associated with the vm
422 * @base: base structure for tracking BO usage in a VM
423 * @vm: vm to which bo is to be added
430 struct amdgpu_vm *vm, struct amdgpu_bo *bo) in amdgpu_vm_bo_base_init() argument
432 base->vm = vm; in amdgpu_vm_bo_base_init()
442 spin_lock(&vm->status_lock); in amdgpu_vm_bo_base_init()
445 spin_unlock(&vm->status_lock); in amdgpu_vm_bo_base_init()
447 if (!amdgpu_vm_is_bo_always_valid(vm, bo)) in amdgpu_vm_bo_base_init()
450 dma_resv_assert_held(vm->root.bo->tbo.base.resv); in amdgpu_vm_bo_base_init()
452 ttm_bo_set_bulk_move(&bo->tbo, &vm->lru_bulk_move); in amdgpu_vm_bo_base_init()
463 * we checked all the prerequisites, but it looks like this per vm bo in amdgpu_vm_bo_base_init()
465 * is validated on next vm use to avoid fault. in amdgpu_vm_bo_base_init()
473 * @vm: vm providing the BOs
477 * Lock the VM root PD in the DRM execution context.
479 int amdgpu_vm_lock_pd(struct amdgpu_vm *vm, struct drm_exec *exec, in amdgpu_vm_lock_pd() argument
482 /* We need at least two fences for the VM PD/PT updates */ in amdgpu_vm_lock_pd()
483 return drm_exec_prepare_obj(exec, &vm->root.bo->tbo.base, in amdgpu_vm_lock_pd()
491 * @vm: vm providing the BOs
497 struct amdgpu_vm *vm) in amdgpu_vm_move_to_lru_tail() argument
500 ttm_lru_bulk_move_tail(&vm->lru_bulk_move); in amdgpu_vm_move_to_lru_tail()
506 struct amdgpu_vm *vm) in amdgpu_vm_init_entities() argument
510 r = drm_sched_entity_init(&vm->immediate, DRM_SCHED_PRIORITY_NORMAL, in amdgpu_vm_init_entities()
516 return drm_sched_entity_init(&vm->delayed, DRM_SCHED_PRIORITY_NORMAL, in amdgpu_vm_init_entities()
521 drm_sched_entity_destroy(&vm->immediate); in amdgpu_vm_init_entities()
526 static void amdgpu_vm_fini_entities(struct amdgpu_vm *vm) in amdgpu_vm_fini_entities() argument
528 drm_sched_entity_destroy(&vm->immediate); in amdgpu_vm_fini_entities()
529 drm_sched_entity_destroy(&vm->delayed); in amdgpu_vm_fini_entities()
535 * @vm: optional VM to check, might be NULL
538 * are still valid to use this VM. The VM parameter might be NULL in which case
541 uint64_t amdgpu_vm_generation(struct amdgpu_device *adev, struct amdgpu_vm *vm) in amdgpu_vm_generation() argument
545 if (!vm) in amdgpu_vm_generation()
548 result += lower_32_bits(vm->generation); in amdgpu_vm_generation()
550 if (drm_sched_entity_error(&vm->delayed)) in amdgpu_vm_generation()
557 * amdgpu_vm_validate - validate evicted BOs tracked in the VM
560 * @vm: vm providing the BOs
561 * @ticket: optional reservation ticket used to reserve the VM
565 * Validate the page table BOs and per-VM BOs on command submission if
572 int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm, in amdgpu_vm_validate() argument
577 uint64_t new_vm_generation = amdgpu_vm_generation(adev, vm); in amdgpu_vm_validate()
582 if (vm->generation != new_vm_generation) { in amdgpu_vm_validate()
583 vm->generation = new_vm_generation; in amdgpu_vm_validate()
584 amdgpu_vm_bo_reset_state_machine(vm); in amdgpu_vm_validate()
585 amdgpu_vm_fini_entities(vm); in amdgpu_vm_validate()
586 r = amdgpu_vm_init_entities(adev, vm); in amdgpu_vm_validate()
591 spin_lock(&vm->status_lock); in amdgpu_vm_validate()
592 while (!list_empty(&vm->evicted)) { in amdgpu_vm_validate()
593 bo_base = list_first_entry(&vm->evicted, in amdgpu_vm_validate()
596 spin_unlock(&vm->status_lock); in amdgpu_vm_validate()
607 vm->update_funcs->map_table(to_amdgpu_bo_vm(bo)); in amdgpu_vm_validate()
610 spin_lock(&vm->status_lock); in amdgpu_vm_validate()
612 while (ticket && !list_empty(&vm->evicted_user)) { in amdgpu_vm_validate()
613 bo_base = list_first_entry(&vm->evicted_user, in amdgpu_vm_validate()
616 spin_unlock(&vm->status_lock); in amdgpu_vm_validate()
621 struct amdgpu_task_info *ti = amdgpu_vm_get_task_info_vm(vm); in amdgpu_vm_validate()
638 spin_lock(&vm->status_lock); in amdgpu_vm_validate()
640 spin_unlock(&vm->status_lock); in amdgpu_vm_validate()
642 amdgpu_vm_eviction_lock(vm); in amdgpu_vm_validate()
643 vm->evicting = false; in amdgpu_vm_validate()
644 amdgpu_vm_eviction_unlock(vm); in amdgpu_vm_validate()
650 * amdgpu_vm_ready - check VM is ready for updates
652 * @vm: VM to check
654 * Check if all VM PDs/PTs are ready for updates
657 * True if VM is not evicting.
659 bool amdgpu_vm_ready(struct amdgpu_vm *vm) in amdgpu_vm_ready() argument
664 amdgpu_vm_eviction_lock(vm); in amdgpu_vm_ready()
665 ret = !vm->evicting; in amdgpu_vm_ready()
666 amdgpu_vm_eviction_unlock(vm); in amdgpu_vm_ready()
668 spin_lock(&vm->status_lock); in amdgpu_vm_ready()
669 empty = list_empty(&vm->evicted); in amdgpu_vm_ready()
670 spin_unlock(&vm->status_lock); in amdgpu_vm_ready()
676 * amdgpu_vm_check_compute_bug - check whether asic has compute vm bug
691 /* Compute has a VM bug for GFX version < 7. in amdgpu_vm_check_compute_bug()
692 Compute has a VM bug for GFX 8 MEC firmware version < 673.*/ in amdgpu_vm_check_compute_bug()
742 * amdgpu_vm_flush - hardware flush the vm
748 * Emit a VM flush when it is necessary.
861 * amdgpu_vm_bo_find - find the bo_va for a specific vm & bo
863 * @vm: requested vm
866 * Find @bo inside the requested vm.
867 * Search inside the @bos vm list for the requested vm
875 struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm, in amdgpu_vm_bo_find() argument
881 if (base->vm != vm) in amdgpu_vm_bo_find()
920 * @vm: requested vm
929 struct amdgpu_vm *vm, bool immediate) in amdgpu_vm_update_pdes() argument
937 spin_lock(&vm->status_lock); in amdgpu_vm_update_pdes()
938 list_splice_init(&vm->relocated, &relocated); in amdgpu_vm_update_pdes()
939 spin_unlock(&vm->status_lock); in amdgpu_vm_update_pdes()
949 params.vm = vm; in amdgpu_vm_update_pdes()
952 r = vm->update_funcs->prepare(&params, NULL); in amdgpu_vm_update_pdes()
965 r = vm->update_funcs->commit(&params, &vm->last_update); in amdgpu_vm_update_pdes()
970 atomic64_inc(&vm->tlb_seq); in amdgpu_vm_update_pdes()
988 * Increments the tlb sequence to make sure that future CS execute a VM flush.
996 atomic64_inc(&tlb_cb->vm->tlb_seq); in amdgpu_vm_tlb_seq_cb()
1007 * Increments the tlb sequence to make sure that future CS execute a VM flush.
1014 struct amdgpu_vm *vm = params->vm; in amdgpu_vm_tlb_flush() local
1016 tlb_cb->vm = vm; in amdgpu_vm_tlb_flush()
1024 dma_fence_put(vm->last_tlb_flush); in amdgpu_vm_tlb_flush()
1025 vm->last_tlb_flush = dma_fence_get(*fence); in amdgpu_vm_tlb_flush()
1031 if (!params->unlocked && vm->is_compute_context) { in amdgpu_vm_tlb_flush()
1032 amdgpu_vm_tlb_fence_create(params->adev, vm, fence); in amdgpu_vm_tlb_flush()
1035 dma_resv_add_fence(vm->root.bo->tbo.base.resv, *fence, in amdgpu_vm_tlb_flush()
1041 * amdgpu_vm_update_range - update a range in the vm page table
1044 * @vm: the VM to update the range
1064 int amdgpu_vm_update_range(struct amdgpu_device *adev, struct amdgpu_vm *vm, in amdgpu_vm_update_range() argument
1099 params.vm = vm; in amdgpu_vm_update_range()
1107 amdgpu_vm_eviction_lock(vm); in amdgpu_vm_update_range()
1108 if (vm->evicting) { in amdgpu_vm_update_range()
1113 if (!unlocked && !dma_fence_is_signaled(vm->last_unlocked)) { in amdgpu_vm_update_range()
1116 amdgpu_bo_fence(vm->root.bo, vm->last_unlocked, true); in amdgpu_vm_update_range()
1117 swap(vm->last_unlocked, tmp); in amdgpu_vm_update_range()
1121 r = vm->update_funcs->prepare(&params, sync); in amdgpu_vm_update_range()
1179 r = vm->update_funcs->commit(&params, fence); in amdgpu_vm_update_range()
1192 amdgpu_vm_eviction_unlock(vm); in amdgpu_vm_update_range()
1197 void amdgpu_vm_get_memory(struct amdgpu_vm *vm, in amdgpu_vm_get_memory() argument
1200 spin_lock(&vm->status_lock); in amdgpu_vm_get_memory()
1201 memcpy(stats, vm->stats, sizeof(*stats) * __AMDGPU_PL_NUM); in amdgpu_vm_get_memory()
1202 spin_unlock(&vm->status_lock); in amdgpu_vm_get_memory()
1206 * amdgpu_vm_bo_update - update all BO mappings in the vm page table
1209 * @bo_va: requested BO and VM object
1221 struct amdgpu_vm *vm = bo_va->base.vm; in amdgpu_vm_bo_update() local
1237 /* Implicitly sync to command submissions in the same VM before in amdgpu_vm_bo_update()
1240 r = amdgpu_sync_resv(adev, &sync, vm->root.bo->tbo.base.resv, in amdgpu_vm_bo_update()
1241 AMDGPU_SYNC_EQ_OWNER, vm); in amdgpu_vm_bo_update()
1273 AMDGPU_SYNC_EXPLICIT, vm); in amdgpu_vm_bo_update()
1295 if (clear || amdgpu_vm_is_bo_always_valid(vm, bo)) in amdgpu_vm_bo_update()
1296 last_update = &vm->last_update; in amdgpu_vm_bo_update()
1324 r = amdgpu_vm_update_range(adev, vm, false, false, flush_tlb, in amdgpu_vm_bo_update()
1337 if (amdgpu_vm_is_bo_always_valid(vm, bo)) { in amdgpu_vm_bo_update()
1450 * @vm: requested vm
1457 struct amdgpu_vm *vm, in amdgpu_vm_free_mapping() argument
1470 * @vm: requested vm
1472 * Register a cleanup callback to disable PRT support after VM dies.
1474 static void amdgpu_vm_prt_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) in amdgpu_vm_prt_fini() argument
1476 struct dma_resv *resv = vm->root.bo->tbo.base.resv; in amdgpu_vm_prt_fini()
1491 * @vm: requested vm
1503 struct amdgpu_vm *vm, in amdgpu_vm_clear_freed() argument
1513 * Implicitly sync to command submissions in the same VM before in amdgpu_vm_clear_freed()
1517 r = amdgpu_sync_resv(adev, &sync, vm->root.bo->tbo.base.resv, in amdgpu_vm_clear_freed()
1518 AMDGPU_SYNC_EQ_OWNER, vm); in amdgpu_vm_clear_freed()
1522 while (!list_empty(&vm->freed)) { in amdgpu_vm_clear_freed()
1523 mapping = list_first_entry(&vm->freed, in amdgpu_vm_clear_freed()
1527 r = amdgpu_vm_update_range(adev, vm, false, false, true, false, in amdgpu_vm_clear_freed()
1530 amdgpu_vm_free_mapping(adev, vm, mapping, f); in amdgpu_vm_clear_freed()
1554 * @vm: requested vm
1555 * @ticket: optional reservation ticket used to reserve the VM
1565 struct amdgpu_vm *vm, in amdgpu_vm_handle_moved() argument
1573 spin_lock(&vm->status_lock); in amdgpu_vm_handle_moved()
1574 while (!list_empty(&vm->moved)) { in amdgpu_vm_handle_moved()
1575 bo_va = list_first_entry(&vm->moved, struct amdgpu_bo_va, in amdgpu_vm_handle_moved()
1577 spin_unlock(&vm->status_lock); in amdgpu_vm_handle_moved()
1579 /* Per VM BOs never need to bo cleared in the page tables */ in amdgpu_vm_handle_moved()
1583 spin_lock(&vm->status_lock); in amdgpu_vm_handle_moved()
1586 while (!list_empty(&vm->invalidated)) { in amdgpu_vm_handle_moved()
1587 bo_va = list_first_entry(&vm->invalidated, struct amdgpu_bo_va, in amdgpu_vm_handle_moved()
1590 spin_unlock(&vm->status_lock); in amdgpu_vm_handle_moved()
1616 if (vm->is_compute_context && in amdgpu_vm_handle_moved()
1622 spin_lock(&vm->status_lock); in amdgpu_vm_handle_moved()
1624 spin_unlock(&vm->status_lock); in amdgpu_vm_handle_moved()
1630 * amdgpu_vm_flush_compute_tlb - Flush TLB on compute VM
1633 * @vm: requested vm
1637 * Flush TLB if needed for a compute VM.
1643 struct amdgpu_vm *vm, in amdgpu_vm_flush_compute_tlb() argument
1647 uint64_t tlb_seq = amdgpu_vm_tlb_seq(vm); in amdgpu_vm_flush_compute_tlb()
1651 WARN_ON_ONCE(!vm->is_compute_context); in amdgpu_vm_flush_compute_tlb()
1658 if (atomic64_xchg(&vm->kfd_last_flushed_seq, tlb_seq) == tlb_seq) in amdgpu_vm_flush_compute_tlb()
1666 r = amdgpu_gmc_flush_gpu_tlb_pasid(adev, vm->pasid, flush_type, in amdgpu_vm_flush_compute_tlb()
1675 * amdgpu_vm_bo_add - add a bo to a specific vm
1678 * @vm: requested vm
1681 * Add @bo into the requested vm.
1682 * Add @bo to the list of bos associated with the vm
1690 struct amdgpu_vm *vm, in amdgpu_vm_bo_add() argument
1699 amdgpu_vm_bo_base_init(&bo_va->base, vm, bo); in amdgpu_vm_bo_add()
1733 struct amdgpu_vm *vm = bo_va->base.vm; in amdgpu_vm_bo_insert_map() local
1738 amdgpu_vm_it_insert(mapping, &vm->va); in amdgpu_vm_bo_insert_map()
1743 if (amdgpu_vm_is_bo_always_valid(vm, bo) && !bo_va->base.moved) in amdgpu_vm_bo_insert_map()
1781 * amdgpu_vm_bo_map - map bo inside a vm
1790 * Add a mapping of the BO at the specefied addr into the VM.
1804 struct amdgpu_vm *vm = bo_va->base.vm; in amdgpu_vm_bo_map() local
1815 tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr); in amdgpu_vm_bo_map()
1839 * amdgpu_vm_bo_replace_map - map bo inside a vm, replacing existing mappings
1848 * Add a mapping of the BO at the specefied addr into the VM. Replace existing
1875 r = amdgpu_vm_bo_clear_mappings(adev, bo_va->base.vm, saddr, size); in amdgpu_vm_bo_replace_map()
1895 * amdgpu_vm_bo_unmap - remove bo mapping from vm
1901 * Remove a mapping of the BO at the specefied addr from the VM.
1913 struct amdgpu_vm *vm = bo_va->base.vm; in amdgpu_vm_bo_unmap() local
1936 amdgpu_vm_it_remove(mapping, &vm->va); in amdgpu_vm_bo_unmap()
1941 list_add(&mapping->list, &vm->freed); in amdgpu_vm_bo_unmap()
1943 amdgpu_vm_free_mapping(adev, vm, mapping, in amdgpu_vm_bo_unmap()
1953 * @vm: VM structure to use
1963 struct amdgpu_vm *vm, in amdgpu_vm_bo_clear_mappings() argument
1992 tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr); in amdgpu_vm_bo_clear_mappings()
2023 amdgpu_vm_it_remove(tmp, &vm->va); in amdgpu_vm_bo_clear_mappings()
2032 list_add(&tmp->list, &vm->freed); in amdgpu_vm_bo_clear_mappings()
2040 amdgpu_vm_it_insert(before, &vm->va); in amdgpu_vm_bo_clear_mappings()
2044 if (amdgpu_vm_is_bo_always_valid(vm, bo) && in amdgpu_vm_bo_clear_mappings()
2055 amdgpu_vm_it_insert(after, &vm->va); in amdgpu_vm_bo_clear_mappings()
2059 if (amdgpu_vm_is_bo_always_valid(vm, bo) && in amdgpu_vm_bo_clear_mappings()
2072 * @vm: the requested VM
2081 struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm, in amdgpu_vm_bo_lookup_mapping() argument
2084 return amdgpu_vm_it_iter_first(&vm->va, addr, addr); in amdgpu_vm_bo_lookup_mapping()
2090 * @vm: the requested vm
2095 void amdgpu_vm_bo_trace_cs(struct amdgpu_vm *vm, struct ww_acquire_ctx *ticket) in amdgpu_vm_bo_trace_cs() argument
2102 for (mapping = amdgpu_vm_it_iter_first(&vm->va, 0, U64_MAX); mapping; in amdgpu_vm_bo_trace_cs()
2118 * amdgpu_vm_bo_del - remove a bo from a specific vm
2123 * Remove @bo_va->bo from the requested vm.
2132 struct amdgpu_vm *vm = bo_va->base.vm; in amdgpu_vm_bo_del() local
2135 dma_resv_assert_held(vm->root.bo->tbo.base.resv); in amdgpu_vm_bo_del()
2139 if (amdgpu_vm_is_bo_always_valid(vm, bo)) in amdgpu_vm_bo_del()
2153 spin_lock(&vm->status_lock); in amdgpu_vm_bo_del()
2155 spin_unlock(&vm->status_lock); in amdgpu_vm_bo_del()
2159 amdgpu_vm_it_remove(mapping, &vm->va); in amdgpu_vm_bo_del()
2162 list_add(&mapping->list, &vm->freed); in amdgpu_vm_bo_del()
2166 amdgpu_vm_it_remove(mapping, &vm->va); in amdgpu_vm_bo_del()
2167 amdgpu_vm_free_mapping(adev, vm, mapping, in amdgpu_vm_bo_del()
2180 * amdgpu_vm_evictable - check if we can evict a VM
2182 * @bo: A page table of the VM.
2184 * Check if it is possible to evict a VM.
2190 /* Page tables of a destroyed VM can go away immediately */ in amdgpu_vm_evictable()
2191 if (!bo_base || !bo_base->vm) in amdgpu_vm_evictable()
2194 /* Don't evict VM page tables while they are busy */ in amdgpu_vm_evictable()
2199 if (!amdgpu_vm_eviction_trylock(bo_base->vm)) in amdgpu_vm_evictable()
2202 /* Don't evict VM page tables while they are updated */ in amdgpu_vm_evictable()
2203 if (!dma_fence_is_signaled(bo_base->vm->last_unlocked)) { in amdgpu_vm_evictable()
2204 amdgpu_vm_eviction_unlock(bo_base->vm); in amdgpu_vm_evictable()
2208 bo_base->vm->evicting = true; in amdgpu_vm_evictable()
2209 amdgpu_vm_eviction_unlock(bo_base->vm); in amdgpu_vm_evictable()
2226 struct amdgpu_vm *vm = bo_base->vm; in amdgpu_vm_bo_invalidate() local
2228 if (evicted && amdgpu_vm_is_bo_always_valid(vm, bo)) { in amdgpu_vm_bo_invalidate()
2239 else if (amdgpu_vm_is_bo_always_valid(vm, bo)) in amdgpu_vm_bo_invalidate()
2261 struct amdgpu_vm *vm = bo_base->vm; in amdgpu_vm_bo_move() local
2263 spin_lock(&vm->status_lock); in amdgpu_vm_bo_move()
2266 spin_unlock(&vm->status_lock); in amdgpu_vm_bo_move()
2273 * amdgpu_vm_get_block_size - calculate VM page table size as power of two
2275 * @vm_size: VM size
2278 * VM page table as power of two
2294 * amdgpu_vm_adjust_size - adjust vm size, block size and fragment size
2297 * @min_vm_size: the minimum vm size in GB if it's set auto
2311 /* adjust vm size first */ in amdgpu_vm_adjust_size()
2315 dev_warn(adev->dev, "VM size (%d) too large, max is %u GB\n", in amdgpu_vm_adjust_size()
2323 /* Optimal VM size depends on the amount of physical in amdgpu_vm_adjust_size()
2330 * - On GFX8 and older, VM space can be segmented for in amdgpu_vm_adjust_size()
2336 * VM size with the given page table size. in amdgpu_vm_adjust_size()
2365 /* block size depends on vm size and hw setup*/ in amdgpu_vm_adjust_size()
2381 DRM_INFO("vm size is %u GB, %u levels, block size is %u-bit, fragment size is %u-bit\n", in amdgpu_vm_adjust_size()
2388 * amdgpu_vm_wait_idle - wait for the VM to become idle
2390 * @vm: VM object to wait for
2391 * @timeout: timeout to wait for VM to become idle
2393 long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) in amdgpu_vm_wait_idle() argument
2395 timeout = dma_resv_wait_timeout(vm->root.bo->tbo.base.resv, in amdgpu_vm_wait_idle()
2401 return dma_fence_wait_timeout(vm->last_unlocked, true, timeout); in amdgpu_vm_wait_idle()
2414 struct amdgpu_vm *vm; in amdgpu_vm_get_vm_from_pasid() local
2418 vm = xa_load(&adev->vm_manager.pasids, pasid); in amdgpu_vm_get_vm_from_pasid()
2421 return vm; in amdgpu_vm_get_vm_from_pasid()
2425 * amdgpu_vm_put_task_info - reference down the vm task_info ptr
2429 * frees the vm task_info ptr at the last put
2437 * amdgpu_vm_get_task_info_vm - Extracts task info for a vm.
2439 * @vm: VM to get info from
2445 amdgpu_vm_get_task_info_vm(struct amdgpu_vm *vm) in amdgpu_vm_get_task_info_vm() argument
2449 if (vm) { in amdgpu_vm_get_task_info_vm()
2450 ti = vm->task_info; in amdgpu_vm_get_task_info_vm()
2451 kref_get(&vm->task_info->refcount); in amdgpu_vm_get_task_info_vm()
2461 * @pasid: PASID identifier for VM
2473 static int amdgpu_vm_create_task_info(struct amdgpu_vm *vm) in amdgpu_vm_create_task_info() argument
2475 vm->task_info = kzalloc(sizeof(struct amdgpu_task_info), GFP_KERNEL); in amdgpu_vm_create_task_info()
2476 if (!vm->task_info) in amdgpu_vm_create_task_info()
2479 kref_init(&vm->task_info->refcount); in amdgpu_vm_create_task_info()
2486 * @vm: vm for which to set the info
2488 void amdgpu_vm_set_task_info(struct amdgpu_vm *vm) in amdgpu_vm_set_task_info() argument
2490 if (!vm->task_info) in amdgpu_vm_set_task_info()
2493 if (vm->task_info->pid == current->pid) in amdgpu_vm_set_task_info()
2496 vm->task_info->pid = current->pid; in amdgpu_vm_set_task_info()
2497 get_task_comm(vm->task_info->task_name, current); in amdgpu_vm_set_task_info()
2502 vm->task_info->tgid = current->group_leader->pid; in amdgpu_vm_set_task_info()
2503 get_task_comm(vm->task_info->process_name, current->group_leader); in amdgpu_vm_set_task_info()
2507 * amdgpu_vm_init - initialize a vm instance
2510 * @vm: requested vm
2513 * Init @vm fields.
2518 int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, in amdgpu_vm_init() argument
2525 vm->va = RB_ROOT_CACHED; in amdgpu_vm_init()
2527 vm->reserved_vmid[i] = NULL; in amdgpu_vm_init()
2528 INIT_LIST_HEAD(&vm->evicted); in amdgpu_vm_init()
2529 INIT_LIST_HEAD(&vm->evicted_user); in amdgpu_vm_init()
2530 INIT_LIST_HEAD(&vm->relocated); in amdgpu_vm_init()
2531 INIT_LIST_HEAD(&vm->moved); in amdgpu_vm_init()
2532 INIT_LIST_HEAD(&vm->idle); in amdgpu_vm_init()
2533 INIT_LIST_HEAD(&vm->invalidated); in amdgpu_vm_init()
2534 spin_lock_init(&vm->status_lock); in amdgpu_vm_init()
2535 INIT_LIST_HEAD(&vm->freed); in amdgpu_vm_init()
2536 INIT_LIST_HEAD(&vm->done); in amdgpu_vm_init()
2537 INIT_KFIFO(vm->faults); in amdgpu_vm_init()
2539 r = amdgpu_vm_init_entities(adev, vm); in amdgpu_vm_init()
2543 ttm_lru_bulk_move_init(&vm->lru_bulk_move); in amdgpu_vm_init()
2545 vm->is_compute_context = false; in amdgpu_vm_init()
2547 vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & in amdgpu_vm_init()
2550 DRM_DEBUG_DRIVER("VM update mode is %s\n", in amdgpu_vm_init()
2551 vm->use_cpu_for_update ? "CPU" : "SDMA"); in amdgpu_vm_init()
2552 WARN_ONCE((vm->use_cpu_for_update && in amdgpu_vm_init()
2554 "CPU update of VM recommended only for large BAR system\n"); in amdgpu_vm_init()
2556 if (vm->use_cpu_for_update) in amdgpu_vm_init()
2557 vm->update_funcs = &amdgpu_vm_cpu_funcs; in amdgpu_vm_init()
2559 vm->update_funcs = &amdgpu_vm_sdma_funcs; in amdgpu_vm_init()
2561 vm->last_update = dma_fence_get_stub(); in amdgpu_vm_init()
2562 vm->last_unlocked = dma_fence_get_stub(); in amdgpu_vm_init()
2563 vm->last_tlb_flush = dma_fence_get_stub(); in amdgpu_vm_init()
2564 vm->generation = amdgpu_vm_generation(adev, NULL); in amdgpu_vm_init()
2566 mutex_init(&vm->eviction_lock); in amdgpu_vm_init()
2567 vm->evicting = false; in amdgpu_vm_init()
2568 vm->tlb_fence_context = dma_fence_context_alloc(1); in amdgpu_vm_init()
2570 r = amdgpu_vm_pt_create(adev, vm, adev->vm_manager.root_level, in amdgpu_vm_init()
2582 amdgpu_vm_bo_base_init(&vm->root, vm, root_bo); in amdgpu_vm_init()
2587 r = amdgpu_vm_pt_clear(adev, vm, root, false); in amdgpu_vm_init()
2591 r = amdgpu_vm_create_task_info(vm); in amdgpu_vm_init()
2593 DRM_DEBUG("Failed to create task info for VM\n"); in amdgpu_vm_init()
2595 amdgpu_bo_unreserve(vm->root.bo); in amdgpu_vm_init()
2601 amdgpu_vm_pt_free_root(adev, vm); in amdgpu_vm_init()
2602 amdgpu_bo_unreserve(vm->root.bo); in amdgpu_vm_init()
2606 dma_fence_put(vm->last_tlb_flush); in amdgpu_vm_init()
2607 dma_fence_put(vm->last_unlocked); in amdgpu_vm_init()
2608 ttm_lru_bulk_move_fini(&adev->mman.bdev, &vm->lru_bulk_move); in amdgpu_vm_init()
2609 amdgpu_vm_fini_entities(vm); in amdgpu_vm_init()
2615 * amdgpu_vm_make_compute - Turn a GFX VM into a compute VM
2618 * @vm: requested vm
2623 * Changes the following VM parameters:
2633 int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) in amdgpu_vm_make_compute() argument
2637 r = amdgpu_bo_reserve(vm->root.bo, true); in amdgpu_vm_make_compute()
2641 /* Update VM state */ in amdgpu_vm_make_compute()
2642 vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & in amdgpu_vm_make_compute()
2644 DRM_DEBUG_DRIVER("VM update mode is %s\n", in amdgpu_vm_make_compute()
2645 vm->use_cpu_for_update ? "CPU" : "SDMA"); in amdgpu_vm_make_compute()
2646 WARN_ONCE((vm->use_cpu_for_update && in amdgpu_vm_make_compute()
2648 "CPU update of VM recommended only for large BAR system\n"); in amdgpu_vm_make_compute()
2650 if (vm->use_cpu_for_update) { in amdgpu_vm_make_compute()
2652 r = amdgpu_bo_sync_wait(vm->root.bo, in amdgpu_vm_make_compute()
2657 vm->update_funcs = &amdgpu_vm_cpu_funcs; in amdgpu_vm_make_compute()
2658 r = amdgpu_vm_pt_map_tables(adev, vm); in amdgpu_vm_make_compute()
2663 vm->update_funcs = &amdgpu_vm_sdma_funcs; in amdgpu_vm_make_compute()
2666 dma_fence_put(vm->last_update); in amdgpu_vm_make_compute()
2667 vm->last_update = dma_fence_get_stub(); in amdgpu_vm_make_compute()
2668 vm->is_compute_context = true; in amdgpu_vm_make_compute()
2671 amdgpu_bo_unreserve(vm->root.bo); in amdgpu_vm_make_compute()
2676 * amdgpu_vm_release_compute - release a compute vm
2678 * @vm: a vm turned into compute vm by calling amdgpu_vm_make_compute
2681 * pasid from vm. Compute should stop use of vm after this call.
2683 void amdgpu_vm_release_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) in amdgpu_vm_release_compute() argument
2685 amdgpu_vm_set_pasid(adev, vm, 0); in amdgpu_vm_release_compute()
2686 vm->is_compute_context = false; in amdgpu_vm_release_compute()
2689 static int amdgpu_vm_stats_is_zero(struct amdgpu_vm *vm) in amdgpu_vm_stats_is_zero() argument
2692 if (!(drm_memory_stats_is_zero(&vm->stats[i].drm) && in amdgpu_vm_stats_is_zero()
2693 vm->stats[i].evicted == 0)) in amdgpu_vm_stats_is_zero()
2700 * amdgpu_vm_fini - tear down a vm instance
2703 * @vm: requested vm
2705 * Tear down @vm.
2706 * Unbind the VM and remove all bos from the vm bo list
2708 void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) in amdgpu_vm_fini() argument
2716 amdgpu_amdkfd_gpuvm_destroy_cb(adev, vm); in amdgpu_vm_fini()
2718 root = amdgpu_bo_ref(vm->root.bo); in amdgpu_vm_fini()
2720 amdgpu_vm_set_pasid(adev, vm, 0); in amdgpu_vm_fini()
2721 dma_fence_wait(vm->last_unlocked, false); in amdgpu_vm_fini()
2722 dma_fence_put(vm->last_unlocked); in amdgpu_vm_fini()
2723 dma_fence_wait(vm->last_tlb_flush, false); in amdgpu_vm_fini()
2725 spin_lock_irqsave(vm->last_tlb_flush->lock, flags); in amdgpu_vm_fini()
2726 spin_unlock_irqrestore(vm->last_tlb_flush->lock, flags); in amdgpu_vm_fini()
2727 dma_fence_put(vm->last_tlb_flush); in amdgpu_vm_fini()
2729 list_for_each_entry_safe(mapping, tmp, &vm->freed, list) { in amdgpu_vm_fini()
2731 amdgpu_vm_prt_fini(adev, vm); in amdgpu_vm_fini()
2736 amdgpu_vm_free_mapping(adev, vm, mapping, NULL); in amdgpu_vm_fini()
2739 amdgpu_vm_pt_free_root(adev, vm); in amdgpu_vm_fini()
2742 WARN_ON(vm->root.bo); in amdgpu_vm_fini()
2744 amdgpu_vm_fini_entities(vm); in amdgpu_vm_fini()
2746 if (!RB_EMPTY_ROOT(&vm->va.rb_root)) { in amdgpu_vm_fini()
2747 dev_err(adev->dev, "still active bo inside vm\n"); in amdgpu_vm_fini()
2750 &vm->va.rb_root, rb) { in amdgpu_vm_fini()
2758 dma_fence_put(vm->last_update); in amdgpu_vm_fini()
2761 if (vm->reserved_vmid[i]) { in amdgpu_vm_fini()
2763 vm->reserved_vmid[i] = false; in amdgpu_vm_fini()
2767 ttm_lru_bulk_move_fini(&adev->mman.bdev, &vm->lru_bulk_move); in amdgpu_vm_fini()
2769 if (!amdgpu_vm_stats_is_zero(vm)) { in amdgpu_vm_fini()
2770 struct amdgpu_task_info *ti = vm->task_info; in amdgpu_vm_fini()
2773 "VM memory stats for proc %s(%d) task %s(%d) is non-zero when fini\n", in amdgpu_vm_fini()
2777 amdgpu_vm_put_task_info(vm->task_info); in amdgpu_vm_fini()
2781 * amdgpu_vm_manager_init - init the VM manager
2785 * Initialize the VM manager structures
2808 * Compute VM tables will be updated by CPU in amdgpu_vm_manager_init()
2813 * avoid using CPU for VM table updates in amdgpu_vm_manager_init()
2831 * amdgpu_vm_manager_fini - cleanup VM manager
2835 * Cleanup the VM manager and free resources.
2846 * amdgpu_vm_ioctl - Manages VMID reservation for vm hubs.
2868 if (!fpriv->vm.reserved_vmid[AMDGPU_GFXHUB(0)]) { in amdgpu_vm_ioctl()
2870 fpriv->vm.reserved_vmid[AMDGPU_GFXHUB(0)] = true; in amdgpu_vm_ioctl()
2875 if (fpriv->vm.reserved_vmid[AMDGPU_GFXHUB(0)]) { in amdgpu_vm_ioctl()
2877 fpriv->vm.reserved_vmid[AMDGPU_GFXHUB(0)] = false; in amdgpu_vm_ioctl()
2888 * amdgpu_vm_handle_fault - graceful handling of VM faults.
2890 * @pasid: PASID of the VM
2898 * Try to gracefully handle a VM fault. Return true if the fault was handled and
2909 struct amdgpu_vm *vm; in amdgpu_vm_handle_fault() local
2913 vm = xa_load(&adev->vm_manager.pasids, pasid); in amdgpu_vm_handle_fault()
2914 if (vm) { in amdgpu_vm_handle_fault()
2915 root = amdgpu_bo_ref(vm->root.bo); in amdgpu_vm_handle_fault()
2916 is_compute_context = vm->is_compute_context; in amdgpu_vm_handle_fault()
2937 /* Double check that the VM still exists */ in amdgpu_vm_handle_fault()
2939 vm = xa_load(&adev->vm_manager.pasids, pasid); in amdgpu_vm_handle_fault()
2940 if (vm && vm->root.bo != root) in amdgpu_vm_handle_fault()
2941 vm = NULL; in amdgpu_vm_handle_fault()
2943 if (!vm) in amdgpu_vm_handle_fault()
2972 r = amdgpu_vm_update_range(adev, vm, true, false, false, false, in amdgpu_vm_handle_fault()
2977 r = amdgpu_vm_update_pdes(adev, vm, true); in amdgpu_vm_handle_fault()
2992 * amdgpu_debugfs_vm_bo_info - print BO info for the VM
2994 * @vm: Requested VM for printing BO info
2997 * Print BO information in debugfs file for the VM
2999 void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m) in amdgpu_debugfs_vm_bo_info() argument
3016 spin_lock(&vm->status_lock); in amdgpu_debugfs_vm_bo_info()
3018 list_for_each_entry_safe(bo_va, tmp, &vm->idle, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3027 list_for_each_entry_safe(bo_va, tmp, &vm->evicted, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3036 list_for_each_entry_safe(bo_va, tmp, &vm->relocated, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3045 list_for_each_entry_safe(bo_va, tmp, &vm->moved, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3054 list_for_each_entry_safe(bo_va, tmp, &vm->invalidated, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3063 list_for_each_entry_safe(bo_va, tmp, &vm->done, base.vm_status) { in amdgpu_debugfs_vm_bo_info()
3068 spin_unlock(&vm->status_lock); in amdgpu_debugfs_vm_bo_info()
3089 * @pasid: PASID of the VM
3102 struct amdgpu_vm *vm; in amdgpu_vm_update_fault_cache() local
3107 vm = xa_load(&adev->vm_manager.pasids, pasid); in amdgpu_vm_update_fault_cache()
3113 if (vm && status) { in amdgpu_vm_update_fault_cache()
3114 vm->fault_info.addr = addr; in amdgpu_vm_update_fault_cache()
3115 vm->fault_info.status = status; in amdgpu_vm_update_fault_cache()
3118 * when vm could be stale or freed. in amdgpu_vm_update_fault_cache()
3125 vm->fault_info.vmhub = AMDGPU_VMHUB_TYPE_GFX; in amdgpu_vm_update_fault_cache()
3126 vm->fault_info.vmhub |= in amdgpu_vm_update_fault_cache()
3129 vm->fault_info.vmhub = AMDGPU_VMHUB_TYPE_MM0; in amdgpu_vm_update_fault_cache()
3130 vm->fault_info.vmhub |= in amdgpu_vm_update_fault_cache()
3133 vm->fault_info.vmhub = AMDGPU_VMHUB_TYPE_MM1; in amdgpu_vm_update_fault_cache()
3134 vm->fault_info.vmhub |= in amdgpu_vm_update_fault_cache()
3144 * amdgpu_vm_is_bo_always_valid - check if the BO is VM always valid
3146 * @vm: VM to test against.
3150 * always guaranteed to be valid inside the VM.
3152 bool amdgpu_vm_is_bo_always_valid(struct amdgpu_vm *vm, struct amdgpu_bo *bo) in amdgpu_vm_is_bo_always_valid() argument
3154 return bo && bo->tbo.base.resv == vm->root.bo->tbo.base.resv; in amdgpu_vm_is_bo_always_valid()