| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Christian König | 675 | 54.92% | 34 | 47.89% |
| Huang Rui | 162 | 13.18% | 2 | 2.82% |
| Felix Kuhling | 85 | 6.92% | 8 | 11.27% |
| Oak Zeng | 76 | 6.18% | 3 | 4.23% |
| Chunming Zhou | 62 | 5.04% | 5 | 7.04% |
| Andrey Grodzovsky | 55 | 4.48% | 1 | 1.41% |
| Harish Kasiviswanathan | 28 | 2.28% | 1 | 1.41% |
| Junwei (Martin) Zhang | 19 | 1.55% | 3 | 4.23% |
| Yong Zhao | 17 | 1.38% | 3 | 4.23% |
| Alex Deucher | 16 | 1.30% | 2 | 2.82% |
| Alex Xie | 10 | 0.81% | 2 | 2.82% |
| Lucas Stach | 7 | 0.57% | 1 | 1.41% |
| Nicolai Hähnle | 6 | 0.49% | 1 | 1.41% |
| Roger He | 6 | 0.49% | 2 | 2.82% |
| Monk Liu | 3 | 0.24% | 1 | 1.41% |
| Davidlohr Bueso A | 1 | 0.08% | 1 | 1.41% |
| Dave Airlie | 1 | 0.08% | 1 | 1.41% |
| Total | 1229 | 71 |
/* * 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/idr.h> #include <linux/kfifo.h> #include <linux/rbtree.h> #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" #include "amdgpu_ids.h" struct amdgpu_bo_va; struct amdgpu_job; struct amdgpu_bo_list_entry; /* * GPUVM handling */ /* 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(adev) (1 << (adev)->vm_manager.block_size) #define AMDGPU_PTE_VALID (1ULL << 0) #define AMDGPU_PTE_SYSTEM (1ULL << 1) #define AMDGPU_PTE_SNOOPED (1ULL << 2) /* VI only */ #define AMDGPU_PTE_EXECUTABLE (1ULL << 4) #define AMDGPU_PTE_READABLE (1ULL << 5) #define AMDGPU_PTE_WRITEABLE (1ULL << 6) #define AMDGPU_PTE_FRAG(x) ((x & 0x1fULL) << 7) /* TILED for VEGA10, reserved for older ASICs */ #define AMDGPU_PTE_PRT (1ULL << 51) /* PDE is handled as PTE for VEGA10 */ #define AMDGPU_PDE_PTE (1ULL << 54) /* PTE is handled as PDE for VEGA10 (Translate Further) */ #define AMDGPU_PTE_TF (1ULL << 56) /* PDE Block Fragment Size for VEGA10 */ #define AMDGPU_PDE_BFS(a) ((uint64_t)a << 59) /* For GFX9 */ #define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57) #define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL) #define AMDGPU_MTYPE_NC 0 #define AMDGPU_MTYPE_CC 2 #define AMDGPU_PTE_DEFAULT_ATC (AMDGPU_PTE_SYSTEM \ | AMDGPU_PTE_SNOOPED \ | AMDGPU_PTE_EXECUTABLE \ | AMDGPU_PTE_READABLE \ | AMDGPU_PTE_WRITEABLE \ | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC)) /* 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 /* max number of VMHUB */ #define AMDGPU_MAX_VMHUBS 2 #define AMDGPU_GFXHUB 0 #define AMDGPU_MMHUB 1 /* hardcode that limit for now */ #define AMDGPU_VA_RESERVED_SIZE (1ULL << 20) /* max vmids dedicated for process */ #define AMDGPU_VM_MAX_RESERVED_VMID 1 #define AMDGPU_VM_CONTEXT_GFX 0 #define AMDGPU_VM_CONTEXT_COMPUTE 1 /* See vm_update_mode */ #define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0) #define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1) /* VMPT level enumerate, and the hiberachy is: * PDB2->PDB1->PDB0->PTB */ enum amdgpu_vm_level { AMDGPU_VM_PDB2, AMDGPU_VM_PDB1, AMDGPU_VM_PDB0, AMDGPU_VM_PTB }; /* base structure for tracking BO usage in a VM */ struct amdgpu_vm_bo_base { /* constant after initialization */ struct amdgpu_vm *vm; struct amdgpu_bo *bo; /* protected by bo being reserved */ struct amdgpu_vm_bo_base *next; /* protected by spinlock */ struct list_head vm_status; /* protected by the BO being reserved */ bool moved; }; 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; }; /* provided by hw blocks that can write ptes, e.g., sdma */ struct amdgpu_vm_pte_funcs { /* number of dw to reserve per operation */ unsigned copy_pte_num_dw; /* copy pte entries from GART */ void (*copy_pte)(struct amdgpu_ib *ib, uint64_t pe, uint64_t src, unsigned count); /* write pte one entry at a time with addr mapping */ void (*write_pte)(struct amdgpu_ib *ib, uint64_t pe, uint64_t value, unsigned count, uint32_t incr); /* for linear pte/pde updates without addr mapping */ void (*set_pte_pde)(struct amdgpu_ib *ib, uint64_t pe, uint64_t addr, unsigned count, 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]; pid_t pid; 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 { /* tree of virtual addresses mapped */ struct rb_root_cached va; /* BOs who needs a validation */ struct list_head evicted; /* PT BOs which relocated and their parent need an update */ struct list_head relocated; /* per VM BOs moved, but not yet updated in the PT */ struct list_head moved; /* All BOs of this VM not currently in the state machine */ struct list_head idle; /* regular invalidated BOs, but not yet updated in the PT */ struct list_head invalidated; spinlock_t invalidated_lock; /* BO mappings freed, but not yet updated in the PT */ struct list_head freed; /* contains the page directory */ struct amdgpu_vm_pt root; struct dma_fence *last_update; /* Scheduler entity for page table updates */ struct drm_sched_entity entity; 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; /* 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); /* Points to the KFD process VM info */ struct amdkfd_process_info *process_info; /* List node in amdkfd_process_info.vm_list_head */ struct list_head vm_list_node; /* Valid while the PD is reserved or fenced */ uint64_t pd_phys_addr; /* Some basic info about the task */ struct amdgpu_task_info task_info; /* Store positions of group of BOs */ 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 { /* Handling of VMIDs */ struct amdgpu_vmid_mgr id_mgr[AMDGPU_MAX_VMHUBS]; /* Handling of VM fences */ u64 fence_context; unsigned seqno[AMDGPU_MAX_RINGS]; uint64_t max_pfn; uint32_t num_level; uint32_t block_size; uint32_t fragment_size; enum amdgpu_vm_level root_level; /* vram base address for page table entry */ u64 vram_base_offset; /* vm pte handling */ const struct amdgpu_vm_pte_funcs *vm_pte_funcs; struct drm_sched_rq *vm_pte_rqs[AMDGPU_MAX_RINGS]; unsigned vm_pte_num_rqs; /* partial resident texture handling */ spinlock_t prt_lock; atomic_t num_prt_users; /* controls how VM page tables are updated for Graphics and Compute. * BIT0[= 0] Graphics updated by SDMA [= 1] by CPU * BIT1[= 0] Compute updated by SDMA [= 1] by CPU */ int vm_update_mode; /* PASID to VM mapping, will be used in interrupt context to * look up VM of a page fault */ struct idr pasid_idr; spinlock_t pasid_lock; }; #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))) 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, int vm_context, unsigned int pasid); int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm, unsigned int pasid); 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); 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_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); 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, bool evicted); 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, uint64_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); int amdgpu_vm_bo_unmap(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, uint64_t addr); int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev, struct amdgpu_vm *vm, uint64_t saddr, uint64_t size); struct amdgpu_bo_va_mapping *amdgpu_vm_bo_lookup_mapping(struct amdgpu_vm *vm, uint64_t addr); void amdgpu_vm_bo_trace_cs(struct amdgpu_vm *vm, struct ww_acquire_ctx *ticket); void amdgpu_vm_bo_rmv(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va); void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, uint32_t fragment_size_default, unsigned max_level, unsigned max_bits); int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp); 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, unsigned int pasid, struct amdgpu_task_info *task_info); 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); #endif
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