diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 121 |
1 files changed, 89 insertions, 32 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 81ff8177f092..4dbbe1b6b413 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -30,7 +30,6 @@ #include <drm/gpu_scheduler.h> #include <drm/drm_file.h> #include <drm/ttm/ttm_bo_driver.h> -#include <linux/chash.h> #include "amdgpu_sync.h" #include "amdgpu_ring.h" @@ -68,6 +67,8 @@ struct amdgpu_bo_list_entry; /* PDE is handled as PTE for VEGA10 */ #define AMDGPU_PDE_PTE (1ULL << 54) +#define AMDGPU_PTE_LOG (1ULL << 55) + /* PTE is handled as PDE for VEGA10 (Translate Further) */ #define AMDGPU_PTE_TF (1ULL << 56) @@ -76,8 +77,8 @@ struct amdgpu_bo_list_entry; /* For GFX9 */ -#define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57) -#define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL) +#define AMDGPU_PTE_MTYPE_VG10(a) ((uint64_t)(a) << 57) +#define AMDGPU_PTE_MTYPE_VG10_MASK AMDGPU_PTE_MTYPE_VG10(3ULL) #define AMDGPU_MTYPE_NC 0 #define AMDGPU_MTYPE_CC 2 @@ -87,17 +88,25 @@ struct amdgpu_bo_list_entry; | AMDGPU_PTE_EXECUTABLE \ | AMDGPU_PTE_READABLE \ | AMDGPU_PTE_WRITEABLE \ - | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC)) + | 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) /* 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 +/* Reserve 4MB VRAM for page tables */ +#define AMDGPU_VM_RESERVED_VRAM (4ULL << 20) + /* max number of VMHUB */ -#define AMDGPU_MAX_VMHUBS 2 -#define AMDGPU_GFXHUB 0 -#define AMDGPU_MMHUB 1 +#define AMDGPU_MAX_VMHUBS 3 +#define AMDGPU_GFXHUB_0 0 +#define AMDGPU_MMHUB_0 1 +#define AMDGPU_MMHUB_1 2 /* hardcode that limit for now */ #define AMDGPU_VA_RESERVED_SIZE (1ULL << 20) @@ -140,7 +149,6 @@ struct amdgpu_vm_bo_base { struct amdgpu_vm_pt { struct amdgpu_vm_bo_base base; - bool huge; /* array of page tables, one for each directory entry */ struct amdgpu_vm_pt *entries; @@ -167,11 +175,6 @@ struct amdgpu_vm_pte_funcs { uint32_t incr, uint64_t flags); }; -#define AMDGPU_VM_FAULT(pasid, addr) (((u64)(pasid) << 48) | (addr)) -#define AMDGPU_VM_FAULT_PASID(fault) ((u64)(fault) >> 48) -#define AMDGPU_VM_FAULT_ADDR(fault) ((u64)(fault) & 0xfffffffff000ULL) - - struct amdgpu_task_info { char process_name[TASK_COMM_LEN]; char task_name[TASK_COMM_LEN]; @@ -179,11 +182,57 @@ struct amdgpu_task_info { pid_t tgid; }; -#define AMDGPU_PAGEFAULT_HASH_BITS 8 -struct amdgpu_retryfault_hashtable { - DECLARE_CHASH_TABLE(hash, AMDGPU_PAGEFAULT_HASH_BITS, 8, 0); - spinlock_t lock; - int count; +/** + * struct amdgpu_vm_update_params + * + * Encapsulate some VM table update parameters to reduce + * the number of function parameters + * + */ +struct amdgpu_vm_update_params { + + /** + * @adev: amdgpu device we do this update for + */ + struct amdgpu_device *adev; + + /** + * @vm: optional amdgpu_vm we do this update for + */ + struct amdgpu_vm *vm; + + /** + * @direct: if changes should be made directly + */ + bool direct; + + /** + * @pages_addr: + * + * DMA addresses to use for mapping + */ + dma_addr_t *pages_addr; + + /** + * @job: job to used for hw submission + */ + struct amdgpu_job *job; + + /** + * @num_dw_left: number of dw left for the IB + */ + unsigned int num_dw_left; +}; + +struct amdgpu_vm_update_funcs { + int (*map_table)(struct amdgpu_bo *bo); + int (*prepare)(struct amdgpu_vm_update_params *p, void * owner, + struct dma_fence *exclusive); + int (*update)(struct amdgpu_vm_update_params *p, + struct amdgpu_bo *bo, uint64_t pe, uint64_t addr, + unsigned count, uint32_t incr, uint64_t flags); + int (*commit)(struct amdgpu_vm_update_params *p, + struct dma_fence **fence); }; struct amdgpu_vm { @@ -213,15 +262,19 @@ struct amdgpu_vm { struct amdgpu_vm_pt root; struct dma_fence *last_update; - /* Scheduler entity for page table updates */ - struct drm_sched_entity entity; + /* Scheduler entities for page table updates */ + struct drm_sched_entity direct; + struct drm_sched_entity delayed; unsigned int pasid; /* dedicated to vm */ 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; + bool use_cpu_for_update; + + /* 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; @@ -245,7 +298,6 @@ struct amdgpu_vm { struct ttm_lru_bulk_move lru_bulk_move; /* mark whether can do the bulk move */ bool bulk_moveable; - struct amdgpu_retryfault_hashtable *fault_hash; }; struct amdgpu_vm_manager { @@ -267,6 +319,7 @@ struct amdgpu_vm_manager { const struct amdgpu_vm_pte_funcs *vm_pte_funcs; struct drm_sched_rq *vm_pte_rqs[AMDGPU_MAX_RINGS]; unsigned vm_pte_num_rqs; + struct amdgpu_ring *page_fault; /* partial resident texture handling */ spinlock_t prt_lock; @@ -283,14 +336,23 @@ struct amdgpu_vm_manager { */ struct idr pasid_idr; spinlock_t pasid_lock; + + /* counter of mapped memory through xgmi */ + uint32_t xgmi_map_counter; + struct mutex lock_pstate; }; #define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count))) #define amdgpu_vm_write_pte(adev, ib, pe, value, count, incr) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (value), (count), (incr))) #define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags))) +extern const struct amdgpu_vm_update_funcs amdgpu_vm_cpu_funcs; +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); + +long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout); int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int vm_context, unsigned int pasid); int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm, unsigned int pasid); @@ -303,12 +365,9 @@ 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); -int amdgpu_vm_alloc_pts(struct amdgpu_device *adev, - struct amdgpu_vm *vm, - uint64_t saddr, uint64_t size); int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync); -int amdgpu_vm_update_directories(struct amdgpu_device *adev, - struct amdgpu_vm *vm); +int amdgpu_vm_update_pdes(struct amdgpu_device *adev, + struct amdgpu_vm *vm, bool direct); int amdgpu_vm_clear_freed(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct dma_fence **fence); @@ -319,6 +378,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, bool clear); void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, struct amdgpu_bo *bo, 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); struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev, @@ -353,16 +413,13 @@ void amdgpu_vm_check_compute_bug(struct amdgpu_device *adev); void amdgpu_vm_get_task_info(struct amdgpu_device *adev, unsigned int pasid, struct amdgpu_task_info *task_info); +bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid, + uint64_t addr); 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); - -int amdgpu_vm_add_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key); - -void amdgpu_vm_clear_fault(struct amdgpu_retryfault_hashtable *fault_hash, u64 key); - void amdgpu_vm_del_from_lru_notify(struct ttm_buffer_object *bo); #endif |