diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 284 |
1 files changed, 220 insertions, 64 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 856a64bc7a89..15d757c016cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -35,6 +35,9 @@ #include "amdgpu_sync.h" #include "amdgpu_ring.h" #include "amdgpu_ids.h" +#include "amdgpu_ttm.h" + +struct drm_exec; struct amdgpu_bo_va; struct amdgpu_job; @@ -83,10 +86,19 @@ struct amdgpu_bo_vm; /* PDE Block Fragment Size for VEGA10 */ #define AMDGPU_PDE_BFS(a) ((uint64_t)a << 59) +/* Flag combination to set no-retry with TF disabled */ +#define AMDGPU_VM_NORETRY_FLAGS (AMDGPU_PTE_EXECUTABLE | AMDGPU_PDE_PTE | \ + AMDGPU_PTE_TF) +/* Flag combination to set no-retry with TF enabled */ +#define AMDGPU_VM_NORETRY_FLAGS_TF (AMDGPU_PTE_VALID | AMDGPU_PTE_SYSTEM | \ + AMDGPU_PTE_PRT) /* For GFX9 */ -#define AMDGPU_PTE_MTYPE_VG10(a) ((uint64_t)(a) << 57) -#define AMDGPU_PTE_MTYPE_VG10_MASK AMDGPU_PTE_MTYPE_VG10(3ULL) +#define AMDGPU_PTE_MTYPE_VG10_SHIFT(mtype) ((uint64_t)(mtype) << 57) +#define AMDGPU_PTE_MTYPE_VG10_MASK AMDGPU_PTE_MTYPE_VG10_SHIFT(3ULL) +#define AMDGPU_PTE_MTYPE_VG10(flags, mtype) \ + (((uint64_t)(flags) & (~AMDGPU_PTE_MTYPE_VG10_MASK)) | \ + AMDGPU_PTE_MTYPE_VG10_SHIFT(mtype)) #define AMDGPU_MTYPE_NC 0 #define AMDGPU_MTYPE_CC 2 @@ -99,25 +111,74 @@ struct amdgpu_bo_vm; | AMDGPU_PTE_MTYPE_VG10(AMDGPU_MTYPE_CC)) /* gfx10 */ -#define AMDGPU_PTE_MTYPE_NV10(a) ((uint64_t)(a) << 48) -#define AMDGPU_PTE_MTYPE_NV10_MASK AMDGPU_PTE_MTYPE_NV10(7ULL) +#define AMDGPU_PTE_MTYPE_NV10_SHIFT(mtype) ((uint64_t)(mtype) << 48) +#define AMDGPU_PTE_MTYPE_NV10_MASK AMDGPU_PTE_MTYPE_NV10_SHIFT(7ULL) +#define AMDGPU_PTE_MTYPE_NV10(flags, mtype) \ + (((uint64_t)(flags) & (~AMDGPU_PTE_MTYPE_NV10_MASK)) | \ + AMDGPU_PTE_MTYPE_NV10_SHIFT(mtype)) + +/* gfx12 */ +#define AMDGPU_PTE_PRT_GFX12 (1ULL << 56) +#define AMDGPU_PTE_PRT_FLAG(adev) \ + ((amdgpu_ip_version((adev), GC_HWIP, 0) >= IP_VERSION(12, 0, 0)) ? AMDGPU_PTE_PRT_GFX12 : AMDGPU_PTE_PRT) + +#define AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype) ((uint64_t)(mtype) << 54) +#define AMDGPU_PTE_MTYPE_GFX12_MASK AMDGPU_PTE_MTYPE_GFX12_SHIFT(3ULL) +#define AMDGPU_PTE_MTYPE_GFX12(flags, mtype) \ + (((uint64_t)(flags) & (~AMDGPU_PTE_MTYPE_GFX12_MASK)) | \ + AMDGPU_PTE_MTYPE_GFX12_SHIFT(mtype)) + +#define AMDGPU_PTE_DCC (1ULL << 58) +#define AMDGPU_PTE_IS_PTE (1ULL << 63) + +/* PDE Block Fragment Size for gfx v12 */ +#define AMDGPU_PDE_BFS_GFX12(a) ((uint64_t)((a) & 0x1fULL) << 58) +#define AMDGPU_PDE_BFS_FLAG(adev, a) \ + ((amdgpu_ip_version((adev), GC_HWIP, 0) >= IP_VERSION(12, 0, 0)) ? AMDGPU_PDE_BFS_GFX12(a) : AMDGPU_PDE_BFS(a)) +/* PDE is handled as PTE for gfx v12 */ +#define AMDGPU_PDE_PTE_GFX12 (1ULL << 63) +#define AMDGPU_PDE_PTE_FLAG(adev) \ + ((amdgpu_ip_version((adev), GC_HWIP, 0) >= IP_VERSION(12, 0, 0)) ? AMDGPU_PDE_PTE_GFX12 : AMDGPU_PDE_PTE) /* How to program VM fault handling */ #define AMDGPU_VM_FAULT_STOP_NEVER 0 #define AMDGPU_VM_FAULT_STOP_FIRST 1 #define AMDGPU_VM_FAULT_STOP_ALWAYS 2 -/* Reserve 4MB VRAM for page tables */ +/* How much VRAM be reserved for page tables */ #define AMDGPU_VM_RESERVED_VRAM (8ULL << 20) -/* max number of VMHUB */ -#define AMDGPU_MAX_VMHUBS 3 -#define AMDGPU_GFXHUB_0 0 -#define AMDGPU_MMHUB_0 1 -#define AMDGPU_MMHUB_1 2 - -/* Reserve 2MB at top/bottom of address space for kernel use */ -#define AMDGPU_VA_RESERVED_SIZE (2ULL << 20) +/* + * max number of VMHUB + * layout: max 8 GFXHUB + 4 MMHUB0 + 1 MMHUB1 + */ +#define AMDGPU_MAX_VMHUBS 13 +#define AMDGPU_GFXHUB_START 0 +#define AMDGPU_MMHUB0_START 8 +#define AMDGPU_MMHUB1_START 12 +#define AMDGPU_GFXHUB(x) (AMDGPU_GFXHUB_START + (x)) +#define AMDGPU_MMHUB0(x) (AMDGPU_MMHUB0_START + (x)) +#define AMDGPU_MMHUB1(x) (AMDGPU_MMHUB1_START + (x)) + +#define AMDGPU_IS_GFXHUB(x) ((x) >= AMDGPU_GFXHUB_START && (x) < AMDGPU_MMHUB0_START) +#define AMDGPU_IS_MMHUB0(x) ((x) >= AMDGPU_MMHUB0_START && (x) < AMDGPU_MMHUB1_START) +#define AMDGPU_IS_MMHUB1(x) ((x) >= AMDGPU_MMHUB1_START && (x) < AMDGPU_MAX_VMHUBS) + +/* Reserve space at top/bottom of address space for kernel use */ +#define AMDGPU_VA_RESERVED_CSA_SIZE (2ULL << 20) +#define AMDGPU_VA_RESERVED_CSA_START(adev) (((adev)->vm_manager.max_pfn \ + << AMDGPU_GPU_PAGE_SHIFT) \ + - AMDGPU_VA_RESERVED_CSA_SIZE) +#define AMDGPU_VA_RESERVED_SEQ64_SIZE (2ULL << 20) +#define AMDGPU_VA_RESERVED_SEQ64_START(adev) (AMDGPU_VA_RESERVED_CSA_START(adev) \ + - AMDGPU_VA_RESERVED_SEQ64_SIZE) +#define AMDGPU_VA_RESERVED_TRAP_SIZE (2ULL << 12) +#define AMDGPU_VA_RESERVED_TRAP_START(adev) (AMDGPU_VA_RESERVED_SEQ64_START(adev) \ + - AMDGPU_VA_RESERVED_TRAP_SIZE) +#define AMDGPU_VA_RESERVED_BOTTOM (1ULL << 16) +#define AMDGPU_VA_RESERVED_TOP (AMDGPU_VA_RESERVED_TRAP_SIZE + \ + AMDGPU_VA_RESERVED_SEQ64_SIZE + \ + AMDGPU_VA_RESERVED_CSA_SIZE) /* See vm_update_mode */ #define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0) @@ -142,9 +203,13 @@ struct amdgpu_vm_bo_base { /* protected by bo being reserved */ struct amdgpu_vm_bo_base *next; - /* protected by spinlock */ + /* protected by vm status_lock */ struct list_head vm_status; + /* if the bo is counted as shared in mem stats + * protected by vm status_lock */ + bool shared; + /* protected by the BO being reserved */ bool moved; }; @@ -171,10 +236,10 @@ struct amdgpu_vm_pte_funcs { }; struct amdgpu_task_info { - char process_name[TASK_COMM_LEN]; - char task_name[TASK_COMM_LEN]; - pid_t pid; - pid_t tgid; + struct drm_wedge_task_info task; + char process_name[TASK_COMM_LEN]; + pid_t tgid; + struct kref refcount; }; /** @@ -224,15 +289,26 @@ struct amdgpu_vm_update_params { unsigned int num_dw_left; /** - * @table_freed: return true if page table is freed when updating + * @needs_flush: true whenever we need to invalidate the TLB + */ + bool needs_flush; + + /** + * @allow_override: true for memory that is not uncached: allows MTYPE + * to be overridden for NUMA local memory. + */ + bool allow_override; + + /** + * @tlb_flush_waitlist: temporary storage for BOs until tlb_flush */ - bool table_freed; + struct list_head tlb_flush_waitlist; }; struct amdgpu_vm_update_funcs { int (*map_table)(struct amdgpu_bo_vm *bo); - int (*prepare)(struct amdgpu_vm_update_params *p, struct dma_resv *resv, - enum amdgpu_sync_mode sync_mode); + int (*prepare)(struct amdgpu_vm_update_params *p, + struct amdgpu_sync *sync, u64 k_job_id); int (*update)(struct amdgpu_vm_update_params *p, struct amdgpu_bo_vm *bo, uint64_t pe, uint64_t addr, unsigned count, uint32_t incr, uint64_t flags); @@ -240,6 +316,22 @@ struct amdgpu_vm_update_funcs { struct dma_fence **fence); }; +struct amdgpu_vm_fault_info { + /* fault address */ + uint64_t addr; + /* fault status register */ + uint32_t status; + /* which vmhub? gfxhub, mmhub, etc. */ + unsigned int vmhub; +}; + +struct amdgpu_mem_stats { + struct drm_memory_stats drm; + + /* buffers that requested this placement but are currently evicted */ + uint64_t evicted; +}; + struct amdgpu_vm { /* tree of virtual addresses mapped */ struct rb_root_cached va; @@ -254,7 +346,17 @@ struct amdgpu_vm { /* Lock to protect vm_bo add/del/move on all lists of vm */ spinlock_t status_lock; - /* BOs who needs a validation */ + /* Memory statistics for this vm, protected by status_lock */ + struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM]; + + /* + * The following lists contain amdgpu_vm_bo_base objects for either + * PDs, PTs or per VM BOs. The state transits are: + * + * evicted -> relocated (PDs, PTs) or moved (per VM BOs) -> idle + */ + + /* Per-VM and PT BOs who needs a validation */ struct list_head evicted; /* PT BOs which relocated and their parent need an update */ @@ -266,18 +368,28 @@ struct amdgpu_vm { /* All BOs of this VM not currently in the state machine */ struct list_head idle; + /* + * The following lists contain amdgpu_vm_bo_base objects for BOs which + * have their own dma_resv object and not depend on the root PD. Their + * state transits are: + * + * evicted_user or invalidated -> done + */ + + /* BOs for user mode queues that need a validation */ + struct list_head evicted_user; + /* regular invalidated BOs, but not yet updated in the PT */ struct list_head invalidated; - /* BO mappings freed, but not yet updated in the PT */ - struct list_head freed; - /* BOs which are invalidated, has been updated in the PTs */ struct list_head done; - /* PT BOs scheduled to free and fill with zero if vm_resv is not hold */ - struct list_head pt_freed; - struct work_struct pt_free_work; + /* + * This list contains amdgpu_bo_va_mapping objects which have been freed + * but not updated in the PTs + */ + struct list_head freed; /* contains the page directory */ struct amdgpu_vm_bo_base root; @@ -290,12 +402,17 @@ struct amdgpu_vm { /* Last finished delayed update */ atomic64_t tlb_seq; struct dma_fence *last_tlb_flush; + atomic64_t kfd_last_flushed_seq; + uint64_t tlb_fence_context; + + /* How many times we had to re-generate the page tables */ + uint64_t generation; /* Last unlocked submission to the scheduler entities */ struct dma_fence *last_unlocked; unsigned int pasid; - bool reserved_vmid[AMDGPU_MAX_VMHUBS]; + struct amdgpu_vmid *reserved_vmid[AMDGPU_MAX_VMHUBS]; /* Flag to indicate if VM tables are updated by CPU or GPU (SDMA) */ bool use_cpu_for_update; @@ -303,9 +420,6 @@ struct amdgpu_vm { /* Functions to use for VM table updates */ const struct amdgpu_vm_update_funcs *update_funcs; - /* Flag to indicate ATS support from PTE for GFX9 */ - bool pte_support_ats; - /* Up to 128 pending retry page faults */ DECLARE_KFIFO(faults, u64, 128); @@ -319,12 +433,18 @@ struct amdgpu_vm { uint64_t pd_phys_addr; /* Some basic info about the task */ - struct amdgpu_task_info task_info; + struct amdgpu_task_info *task_info; /* Store positions of group of BOs */ struct ttm_lru_bulk_move lru_bulk_move; /* Flag to indicate if VM is used for compute */ bool is_compute_context; + + /* Memory partition number, -1 means any partition */ + int8_t mem_id; + + /* cached fault info */ + struct amdgpu_vm_fault_info fault_info; }; struct amdgpu_vm_manager { @@ -333,10 +453,6 @@ struct amdgpu_vm_manager { unsigned int first_kfd_vmid; bool concurrent_flush; - /* Handling of VM fences */ - u64 fence_context; - unsigned seqno[AMDGPU_MAX_RINGS]; - uint64_t max_pfn; uint32_t num_level; uint32_t block_size; @@ -364,6 +480,8 @@ struct amdgpu_vm_manager { * look up VM of a page fault */ struct xarray pasids; + /* Global registration of recent page fault information */ + struct amdgpu_vm_fault_info fault_info; }; struct amdgpu_bo_va_mapping; @@ -378,21 +496,20 @@ extern const struct amdgpu_vm_update_funcs amdgpu_vm_sdma_funcs; void amdgpu_vm_manager_init(struct amdgpu_device *adev); void amdgpu_vm_manager_fini(struct amdgpu_device *adev); -int amdgpu_vm_set_pasid(struct amdgpu_device *adev, struct amdgpu_vm *vm, - u32 pasid); - long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout); -int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm); +int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int32_t xcp_id, uint32_t pasid); int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm); -void amdgpu_vm_release_compute(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_lock_pd(struct amdgpu_vm *vm, struct drm_exec *exec, + unsigned int num_fences); +int amdgpu_vm_lock_done_list(struct amdgpu_vm *vm, struct drm_exec *exec, + unsigned int num_fences); bool amdgpu_vm_ready(struct amdgpu_vm *vm); -int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, - int (*callback)(void *p, struct amdgpu_bo *bo), - void *param); +uint64_t amdgpu_vm_generation(struct amdgpu_device *adev, struct amdgpu_vm *vm); +int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm, + struct ww_acquire_ctx *ticket, + int (*callback)(void *p, struct amdgpu_bo *bo), + void *param); int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync); int amdgpu_vm_update_pdes(struct amdgpu_device *adev, struct amdgpu_vm *vm, bool immediate); @@ -400,21 +517,31 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct dma_fence **fence); int amdgpu_vm_handle_moved(struct amdgpu_device *adev, - struct amdgpu_vm *vm); + struct amdgpu_vm *vm, + struct ww_acquire_ctx *ticket); +int amdgpu_vm_flush_compute_tlb(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + uint32_t flush_type, + uint32_t xcc_mask); void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base *base, struct amdgpu_vm *vm, struct amdgpu_bo *bo); int amdgpu_vm_update_range(struct amdgpu_device *adev, struct amdgpu_vm *vm, bool immediate, bool unlocked, bool flush_tlb, - struct dma_resv *resv, uint64_t start, uint64_t last, - uint64_t flags, uint64_t offset, uint64_t vram_base, + bool allow_override, struct amdgpu_sync *sync, + uint64_t start, uint64_t last, uint64_t flags, + uint64_t offset, uint64_t vram_base, struct ttm_resource *res, dma_addr_t *pages_addr, struct dma_fence **fence); int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, bool clear); bool amdgpu_vm_evictable(struct amdgpu_bo *bo); -void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, - struct amdgpu_bo *bo, bool evicted); +void amdgpu_vm_bo_invalidate(struct amdgpu_bo *bo, bool evicted); +void amdgpu_vm_update_stats(struct amdgpu_vm_bo_base *base, + struct ttm_resource *new_res, int sign); +void amdgpu_vm_bo_update_shared(struct amdgpu_bo *bo); +void amdgpu_vm_bo_move(struct amdgpu_bo *bo, struct ttm_resource *new_mem, + bool evicted); uint64_t amdgpu_vm_map_gart(const dma_addr_t *pages_addr, uint64_t addr); struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm, struct amdgpu_bo *bo); @@ -424,11 +551,11 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, int amdgpu_vm_bo_map(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, uint64_t addr, uint64_t offset, - uint64_t size, uint64_t flags); + uint64_t size, uint32_t flags); int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, uint64_t addr, uint64_t offset, - uint64_t size, uint64_t flags); + uint64_t size, uint32_t flags); int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, uint64_t addr); @@ -448,25 +575,31 @@ bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring, struct amdgpu_job *job); void amdgpu_vm_check_compute_bug(struct amdgpu_device *adev); -void amdgpu_vm_get_task_info(struct amdgpu_device *adev, u32 pasid, - struct amdgpu_task_info *task_info); +struct amdgpu_task_info * +amdgpu_vm_get_task_info_pasid(struct amdgpu_device *adev, u32 pasid); + +struct amdgpu_task_info * +amdgpu_vm_get_task_info_vm(struct amdgpu_vm *vm); + +void amdgpu_vm_put_task_info(struct amdgpu_task_info *task_info); + bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, u32 pasid, - uint64_t addr, bool write_fault); + u32 vmid, u32 node_id, uint64_t addr, uint64_t ts, + bool write_fault); void amdgpu_vm_set_task_info(struct amdgpu_vm *vm); void amdgpu_vm_move_to_lru_tail(struct amdgpu_device *adev, struct amdgpu_vm *vm); -void amdgpu_vm_get_memory(struct amdgpu_vm *vm, uint64_t *vram_mem, - uint64_t *gtt_mem, uint64_t *cpu_mem); +void amdgpu_vm_get_memory(struct amdgpu_vm *vm, + struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM]); int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct amdgpu_bo_vm *vmbo, bool immediate); int amdgpu_vm_pt_create(struct amdgpu_device *adev, struct amdgpu_vm *vm, - int level, bool immediate, struct amdgpu_bo_vm **vmbo); + int level, bool immediate, struct amdgpu_bo_vm **vmbo, + int32_t xcp_id); void amdgpu_vm_pt_free_root(struct amdgpu_device *adev, struct amdgpu_vm *vm); -bool amdgpu_vm_pt_is_root_clean(struct amdgpu_device *adev, - struct amdgpu_vm *vm); int amdgpu_vm_pde_update(struct amdgpu_vm_update_params *params, struct amdgpu_vm_bo_base *entry); @@ -474,11 +607,17 @@ int amdgpu_vm_ptes_update(struct amdgpu_vm_update_params *params, uint64_t start, uint64_t end, uint64_t dst, uint64_t flags); void amdgpu_vm_pt_free_work(struct work_struct *work); +void amdgpu_vm_pt_free_list(struct amdgpu_device *adev, + struct amdgpu_vm_update_params *params); #if defined(CONFIG_DEBUG_FS) void amdgpu_debugfs_vm_bo_info(struct amdgpu_vm *vm, struct seq_file *m); #endif +int amdgpu_vm_pt_map_tables(struct amdgpu_device *adev, struct amdgpu_vm *vm); + +bool amdgpu_vm_is_bo_always_valid(struct amdgpu_vm *vm, struct amdgpu_bo *bo); + /** * amdgpu_vm_tlb_seq - return tlb flush sequence number * @vm: the amdgpu_vm structure to query @@ -532,4 +671,21 @@ static inline void amdgpu_vm_eviction_unlock(struct amdgpu_vm *vm) mutex_unlock(&vm->eviction_lock); } +void amdgpu_vm_update_fault_cache(struct amdgpu_device *adev, + unsigned int pasid, + uint64_t addr, + uint32_t status, + unsigned int vmhub); +void amdgpu_vm_tlb_fence_create(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + struct dma_fence **fence); + +void amdgpu_vm_print_task_info(struct amdgpu_device *adev, + struct amdgpu_task_info *task_info); + +#define amdgpu_vm_bo_va_for_each_valid_mapping(bo_va, mapping) \ + list_for_each_entry(mapping, &(bo_va)->valids, list) +#define amdgpu_vm_bo_va_for_each_invalid_mapping(bo_va, mapping) \ + list_for_each_entry(mapping, &(bo_va)->invalids, list) + #endif |
