1130e0371SOded Gabbay /* 2130e0371SOded Gabbay * Copyright 2014 Advanced Micro Devices, Inc. 3130e0371SOded Gabbay * 4130e0371SOded Gabbay * Permission is hereby granted, free of charge, to any person obtaining a 5130e0371SOded Gabbay * copy of this software and associated documentation files (the "Software"), 6130e0371SOded Gabbay * to deal in the Software without restriction, including without limitation 7130e0371SOded Gabbay * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8130e0371SOded Gabbay * and/or sell copies of the Software, and to permit persons to whom the 9130e0371SOded Gabbay * Software is furnished to do so, subject to the following conditions: 10130e0371SOded Gabbay * 11130e0371SOded Gabbay * The above copyright notice and this permission notice shall be included in 12130e0371SOded Gabbay * all copies or substantial portions of the Software. 13130e0371SOded Gabbay * 14130e0371SOded Gabbay * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15130e0371SOded Gabbay * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16130e0371SOded Gabbay * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17130e0371SOded Gabbay * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18130e0371SOded Gabbay * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19130e0371SOded Gabbay * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20130e0371SOded Gabbay * OTHER DEALINGS IN THE SOFTWARE. 21130e0371SOded Gabbay */ 22130e0371SOded Gabbay 23130e0371SOded Gabbay /* amdgpu_amdkfd.h defines the private interface between amdgpu and amdkfd. */ 24130e0371SOded Gabbay 25130e0371SOded Gabbay #ifndef AMDGPU_AMDKFD_H_INCLUDED 26130e0371SOded Gabbay #define AMDGPU_AMDKFD_H_INCLUDED 27130e0371SOded Gabbay 28130e0371SOded Gabbay #include <linux/types.h> 297420f482SOded Gabbay #include <linux/mm.h> 309bf5b9ebSChristoph Hellwig #include <linux/kthread.h> 315ae0283eSFelix Kuehling #include <linux/workqueue.h> 32130e0371SOded Gabbay #include <kgd_kfd_interface.h> 33a46a2cd1SFelix Kuehling #include <drm/ttm/ttm_execbuf_util.h> 34a46a2cd1SFelix Kuehling #include "amdgpu_sync.h" 35a46a2cd1SFelix Kuehling #include "amdgpu_vm.h" 36130e0371SOded Gabbay 37611736d8SFelix Kuehling extern uint64_t amdgpu_amdkfd_total_mem_size; 38d8d019ccSFelix Kuehling 39765385ecSPhilip Yang enum TLB_FLUSH_TYPE { 40765385ecSPhilip Yang TLB_FLUSH_LEGACY = 0, 41765385ecSPhilip Yang TLB_FLUSH_LIGHTWEIGHT, 42765385ecSPhilip Yang TLB_FLUSH_HEAVYWEIGHT 43765385ecSPhilip Yang }; 44765385ecSPhilip Yang 45130e0371SOded Gabbay struct amdgpu_device; 46130e0371SOded Gabbay 47264fb4d3SFelix Kuehling enum kfd_mem_attachment_type { 48264fb4d3SFelix Kuehling KFD_MEM_ATT_SHARED, /* Share kgd_mem->bo or another attachment's */ 49264fb4d3SFelix Kuehling KFD_MEM_ATT_USERPTR, /* SG bo to DMA map pages from a userptr bo */ 505ac3c3e4SFelix Kuehling KFD_MEM_ATT_DMABUF, /* DMAbuf to DMA map TTM BOs */ 51264fb4d3SFelix Kuehling }; 52264fb4d3SFelix Kuehling 53c780b2eeSFelix Kuehling struct kfd_mem_attachment { 54c780b2eeSFelix Kuehling struct list_head list; 55264fb4d3SFelix Kuehling enum kfd_mem_attachment_type type; 56a46a2cd1SFelix Kuehling bool is_mapped; 57a46a2cd1SFelix Kuehling struct amdgpu_bo_va *bo_va; 58c780b2eeSFelix Kuehling struct amdgpu_device *adev; 59a46a2cd1SFelix Kuehling uint64_t va; 60a46a2cd1SFelix Kuehling uint64_t pte_flags; 61a46a2cd1SFelix Kuehling }; 62a46a2cd1SFelix Kuehling 63130e0371SOded Gabbay struct kgd_mem { 64a46a2cd1SFelix Kuehling struct mutex lock; 65130e0371SOded Gabbay struct amdgpu_bo *bo; 665ac3c3e4SFelix Kuehling struct dma_buf *dmabuf; 67c780b2eeSFelix Kuehling struct list_head attachments; 68a46a2cd1SFelix Kuehling /* protected by amdkfd_process_info.lock */ 69a46a2cd1SFelix Kuehling struct ttm_validate_buffer validate_list; 70a46a2cd1SFelix Kuehling struct ttm_validate_buffer resv_list; 71a46a2cd1SFelix Kuehling uint32_t domain; 72a46a2cd1SFelix Kuehling unsigned int mapped_to_gpu_memory; 73a46a2cd1SFelix Kuehling uint64_t va; 74a46a2cd1SFelix Kuehling 75d0ba51b1SFelix Kuehling uint32_t alloc_flags; 76a46a2cd1SFelix Kuehling 775ae0283eSFelix Kuehling atomic_t invalid; 78a46a2cd1SFelix Kuehling struct amdkfd_process_info *process_info; 79a46a2cd1SFelix Kuehling 80a46a2cd1SFelix Kuehling struct amdgpu_sync sync; 81a46a2cd1SFelix Kuehling 82a46a2cd1SFelix Kuehling bool aql_queue; 83d4566deeSMukul Joshi bool is_imported; 84130e0371SOded Gabbay }; 85130e0371SOded Gabbay 86d8d019ccSFelix Kuehling /* KFD Memory Eviction */ 87d8d019ccSFelix Kuehling struct amdgpu_amdkfd_fence { 88d8d019ccSFelix Kuehling struct dma_fence base; 89d8d019ccSFelix Kuehling struct mm_struct *mm; 90d8d019ccSFelix Kuehling spinlock_t lock; 91d8d019ccSFelix Kuehling char timeline_name[TASK_COMM_LEN]; 92eb2cec55SAlex Sierra struct svm_range_bo *svm_bo; 93d8d019ccSFelix Kuehling }; 94d8d019ccSFelix Kuehling 95611736d8SFelix Kuehling struct amdgpu_kfd_dev { 96611736d8SFelix Kuehling struct kfd_dev *dev; 97611736d8SFelix Kuehling uint64_t vram_used; 988e2712e7Sshaoyunl bool init_complete; 99611736d8SFelix Kuehling }; 100611736d8SFelix Kuehling 1010da8b10eSAmber Lin enum kgd_engine_type { 1020da8b10eSAmber Lin KGD_ENGINE_PFP = 1, 1030da8b10eSAmber Lin KGD_ENGINE_ME, 1040da8b10eSAmber Lin KGD_ENGINE_CE, 1050da8b10eSAmber Lin KGD_ENGINE_MEC1, 1060da8b10eSAmber Lin KGD_ENGINE_MEC2, 1070da8b10eSAmber Lin KGD_ENGINE_RLC, 1080da8b10eSAmber Lin KGD_ENGINE_SDMA1, 1090da8b10eSAmber Lin KGD_ENGINE_SDMA2, 1100da8b10eSAmber Lin KGD_ENGINE_MAX 1110da8b10eSAmber Lin }; 1120da8b10eSAmber Lin 113d8d019ccSFelix Kuehling 114a46a2cd1SFelix Kuehling struct amdkfd_process_info { 115a46a2cd1SFelix Kuehling /* List head of all VMs that belong to a KFD process */ 116a46a2cd1SFelix Kuehling struct list_head vm_list_head; 117a46a2cd1SFelix Kuehling /* List head for all KFD BOs that belong to a KFD process. */ 118a46a2cd1SFelix Kuehling struct list_head kfd_bo_list; 1195ae0283eSFelix Kuehling /* List of userptr BOs that are valid or invalid */ 1205ae0283eSFelix Kuehling struct list_head userptr_valid_list; 1215ae0283eSFelix Kuehling struct list_head userptr_inval_list; 122a46a2cd1SFelix Kuehling /* Lock to protect kfd_bo_list */ 123a46a2cd1SFelix Kuehling struct mutex lock; 124a46a2cd1SFelix Kuehling 125a46a2cd1SFelix Kuehling /* Number of VMs */ 126a46a2cd1SFelix Kuehling unsigned int n_vms; 127a46a2cd1SFelix Kuehling /* Eviction Fence */ 128a46a2cd1SFelix Kuehling struct amdgpu_amdkfd_fence *eviction_fence; 1295ae0283eSFelix Kuehling 1305ae0283eSFelix Kuehling /* MMU-notifier related fields */ 1315ae0283eSFelix Kuehling atomic_t evicted_bos; 1325ae0283eSFelix Kuehling struct delayed_work restore_userptr_work; 1335ae0283eSFelix Kuehling struct pid *pid; 134a46a2cd1SFelix Kuehling }; 135a46a2cd1SFelix Kuehling 136efb1c658SOded Gabbay int amdgpu_amdkfd_init(void); 137130e0371SOded Gabbay void amdgpu_amdkfd_fini(void); 138130e0371SOded Gabbay 1399593f4d6SRajneesh Bhardwaj void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm); 14080660084SJames Zhu int amdgpu_amdkfd_resume_iommu(struct amdgpu_device *adev); 1419593f4d6SRajneesh Bhardwaj int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm); 142dc102c43SAndres Rodriguez void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev, 143130e0371SOded Gabbay const void *ih_ring_entry); 144dc102c43SAndres Rodriguez void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev); 145dc102c43SAndres Rodriguez void amdgpu_amdkfd_device_init(struct amdgpu_device *adev); 146e9669fb7SAndrey Grodzovsky void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev); 1476bfc7c7eSGraham Sider int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev, 1486bfc7c7eSGraham Sider enum kgd_engine_type engine, 1494c660c8fSFelix Kuehling uint32_t vmid, uint64_t gpu_addr, 1504c660c8fSFelix Kuehling uint32_t *ib_cmd, uint32_t ib_len); 1516bfc7c7eSGraham Sider void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle); 1526bfc7c7eSGraham Sider bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev); 1536bfc7c7eSGraham Sider int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct amdgpu_device *adev, 1546bfc7c7eSGraham Sider uint16_t vmid); 1556bfc7c7eSGraham Sider int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct amdgpu_device *adev, 1566bfc7c7eSGraham Sider uint16_t pasid, enum TLB_FLUSH_TYPE flush_type); 1574c660c8fSFelix Kuehling 158155494dbSFelix Kuehling bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid); 159155494dbSFelix Kuehling 1605c6dd71eSShaoyun Liu int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev); 1615c6dd71eSShaoyun Liu 1625c6dd71eSShaoyun Liu int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev); 1635c6dd71eSShaoyun Liu 1646bfc7c7eSGraham Sider void amdgpu_amdkfd_gpu_reset(struct amdgpu_device *adev); 16524da5a9cSShaoyun Liu 166d09f85d5SYong Zhao int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev, 167d09f85d5SYong Zhao int queue_bit); 168d09f85d5SYong Zhao 169cd63989eSLang Yu struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context, 170eb2cec55SAlex Sierra struct mm_struct *mm, 171eb2cec55SAlex Sierra struct svm_range_bo *svm_bo); 172cd63989eSLang Yu #if IS_ENABLED(CONFIG_HSA_AMD) 173cd63989eSLang Yu bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm); 174cd63989eSLang Yu struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f); 175cd63989eSLang Yu int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo); 176cd63989eSLang Yu int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm); 177cd63989eSLang Yu #else 178cd63989eSLang Yu static inline 179cd63989eSLang Yu bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm) 180cd63989eSLang Yu { 181cd63989eSLang Yu return false; 182cd63989eSLang Yu } 183cd63989eSLang Yu 184cd63989eSLang Yu static inline 185cd63989eSLang Yu struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f) 186cd63989eSLang Yu { 187cd63989eSLang Yu return NULL; 188cd63989eSLang Yu } 189cd63989eSLang Yu 190cd63989eSLang Yu static inline 191cd63989eSLang Yu int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo) 192cd63989eSLang Yu { 193cd63989eSLang Yu return 0; 194cd63989eSLang Yu } 195cd63989eSLang Yu 196cd63989eSLang Yu static inline 197cd63989eSLang Yu int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm) 198cd63989eSLang Yu { 199cd63989eSLang Yu return 0; 200cd63989eSLang Yu } 201cd63989eSLang Yu #endif 202130e0371SOded Gabbay /* Shared API */ 2036bfc7c7eSGraham Sider int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size, 204130e0371SOded Gabbay void **mem_obj, uint64_t *gpu_addr, 20515426dbbSYong Zhao void **cpu_ptr, bool mqd_gfx9); 2066bfc7c7eSGraham Sider void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj); 2076bfc7c7eSGraham Sider int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size, 2086bfc7c7eSGraham Sider void **mem_obj); 2096bfc7c7eSGraham Sider void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj); 21071efab6aSOak Zeng int amdgpu_amdkfd_add_gws_to_process(void *info, void *gws, struct kgd_mem **mem); 21171efab6aSOak Zeng int amdgpu_amdkfd_remove_gws_from_process(void *info, void *mem); 212574c4183SGraham Sider uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev, 2130da8b10eSAmber Lin enum kgd_engine_type type); 214574c4183SGraham Sider void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev, 21530f1c042SHarish Kasiviswanathan struct kfd_local_mem_info *mem_info); 216574c4183SGraham Sider uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct amdgpu_device *adev); 217130e0371SOded Gabbay 218574c4183SGraham Sider uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct amdgpu_device *adev); 219574c4183SGraham Sider void amdgpu_amdkfd_get_cu_info(struct amdgpu_device *adev, 220574c4183SGraham Sider struct kfd_cu_info *cu_info); 221574c4183SGraham Sider int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd, 222574c4183SGraham Sider struct amdgpu_device **dmabuf_adev, 2231dde0ea9SFelix Kuehling uint64_t *bo_size, void *metadata_buffer, 2241dde0ea9SFelix Kuehling size_t buffer_size, uint32_t *metadata_size, 2251dde0ea9SFelix Kuehling uint32_t *flags); 226574c4183SGraham Sider uint64_t amdgpu_amdkfd_get_vram_usage(struct amdgpu_device *adev); 227574c4183SGraham Sider uint64_t amdgpu_amdkfd_get_hive_id(struct amdgpu_device *adev); 228574c4183SGraham Sider uint64_t amdgpu_amdkfd_get_unique_id(struct amdgpu_device *adev); 229574c4183SGraham Sider uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct amdgpu_device *adev); 230574c4183SGraham Sider uint32_t amdgpu_amdkfd_get_num_gws(struct amdgpu_device *adev); 231574c4183SGraham Sider uint32_t amdgpu_amdkfd_get_asic_rev_id(struct amdgpu_device *adev); 232574c4183SGraham Sider int amdgpu_amdkfd_get_noretry(struct amdgpu_device *adev); 233574c4183SGraham Sider uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct amdgpu_device *dst, 234574c4183SGraham Sider struct amdgpu_device *src); 235574c4183SGraham Sider int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct amdgpu_device *dst, 236574c4183SGraham Sider struct amdgpu_device *src, 237574c4183SGraham Sider bool is_min); 238574c4183SGraham Sider int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool is_min); 239130e0371SOded Gabbay 240cd05c865SFelix Kuehling /* Read user wptr from a specified user address space with page fault 241cd05c865SFelix Kuehling * disabled. The memory must be pinned and mapped to the hardware when 242cd05c865SFelix Kuehling * this is called in hqd_load functions, so it should never fault in 243cd05c865SFelix Kuehling * the first place. This resolves a circular lock dependency involving 244c1e8d7c6SMichel Lespinasse * four locks, including the DQM lock and mmap_lock. 245cd05c865SFelix Kuehling */ 24670539bd7SFelix Kuehling #define read_user_wptr(mmptr, wptr, dst) \ 24770539bd7SFelix Kuehling ({ \ 24870539bd7SFelix Kuehling bool valid = false; \ 24970539bd7SFelix Kuehling if ((mmptr) && (wptr)) { \ 250cd05c865SFelix Kuehling pagefault_disable(); \ 25170539bd7SFelix Kuehling if ((mmptr) == current->mm) { \ 25270539bd7SFelix Kuehling valid = !get_user((dst), (wptr)); \ 2538449d150SChristoph Hellwig } else if (current->flags & PF_KTHREAD) { \ 254f5678e7fSChristoph Hellwig kthread_use_mm(mmptr); \ 25570539bd7SFelix Kuehling valid = !get_user((dst), (wptr)); \ 256f5678e7fSChristoph Hellwig kthread_unuse_mm(mmptr); \ 25770539bd7SFelix Kuehling } \ 258cd05c865SFelix Kuehling pagefault_enable(); \ 25970539bd7SFelix Kuehling } \ 26070539bd7SFelix Kuehling valid; \ 26170539bd7SFelix Kuehling }) 26270539bd7SFelix Kuehling 263a46a2cd1SFelix Kuehling /* GPUVM API */ 264f80fe9d3SFelix Kuehling #define drm_priv_to_vm(drm_priv) \ 265f80fe9d3SFelix Kuehling (&((struct amdgpu_fpriv *) \ 266f80fe9d3SFelix Kuehling ((struct drm_file *)(drm_priv))->driver_priv)->vm) 267f80fe9d3SFelix Kuehling 268*dff63da9SGraham Sider int amdgpu_amdkfd_gpuvm_acquire_process_vm(struct amdgpu_device *adev, 269c7b6bac9SFenghua Yu struct file *filp, u32 pasid, 270b40a6ab2SFelix Kuehling void **process_info, 271ede0dd86SFelix Kuehling struct dma_fence **ef); 272*dff63da9SGraham Sider void amdgpu_amdkfd_gpuvm_release_process_vm(struct amdgpu_device *adev, 273*dff63da9SGraham Sider void *drm_priv); 274b40a6ab2SFelix Kuehling uint64_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *drm_priv); 275a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( 276*dff63da9SGraham Sider struct amdgpu_device *adev, uint64_t va, uint64_t size, 277b40a6ab2SFelix Kuehling void *drm_priv, struct kgd_mem **mem, 278a46a2cd1SFelix Kuehling uint64_t *offset, uint32_t flags); 279a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( 280*dff63da9SGraham Sider struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv, 281d4ec4bdcSFelix Kuehling uint64_t *size); 282a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_map_memory_to_gpu( 283*dff63da9SGraham Sider struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv, 284*dff63da9SGraham Sider bool *table_freed); 285a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu( 286*dff63da9SGraham Sider struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv); 287a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_sync_memory( 288*dff63da9SGraham Sider struct amdgpu_device *adev, struct kgd_mem *mem, bool intr); 289*dff63da9SGraham Sider int amdgpu_amdkfd_gpuvm_map_gtt_bo_to_kernel(struct amdgpu_device *adev, 290a46a2cd1SFelix Kuehling struct kgd_mem *mem, void **kptr, uint64_t *size); 291*dff63da9SGraham Sider void amdgpu_amdkfd_gpuvm_unmap_gtt_bo_from_kernel(struct amdgpu_device *adev, 292*dff63da9SGraham Sider struct kgd_mem *mem); 29368df0f19SLang Yu 294a46a2cd1SFelix Kuehling int amdgpu_amdkfd_gpuvm_restore_process_bos(void *process_info, 295a46a2cd1SFelix Kuehling struct dma_fence **ef); 296*dff63da9SGraham Sider int amdgpu_amdkfd_gpuvm_get_vm_fault_info(struct amdgpu_device *adev, 297b97dfa27Sshaoyunl struct kfd_vm_fault_info *info); 298*dff63da9SGraham Sider int amdgpu_amdkfd_gpuvm_import_dmabuf(struct amdgpu_device *adev, 2991dde0ea9SFelix Kuehling struct dma_buf *dmabuf, 300b40a6ab2SFelix Kuehling uint64_t va, void *drm_priv, 3011dde0ea9SFelix Kuehling struct kgd_mem **mem, uint64_t *size, 3021dde0ea9SFelix Kuehling uint64_t *mmap_offset); 303*dff63da9SGraham Sider int amdgpu_amdkfd_get_tile_config(struct amdgpu_device *adev, 304fd7d08baSYong Zhao struct tile_config *config); 3056bfc7c7eSGraham Sider void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev); 306cd63989eSLang Yu #if IS_ENABLED(CONFIG_HSA_AMD) 307cd63989eSLang Yu void amdgpu_amdkfd_gpuvm_init_mem_limits(void); 308cd63989eSLang Yu void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev, 309cd63989eSLang Yu struct amdgpu_vm *vm); 3105702d052SFelix Kuehling void amdgpu_amdkfd_release_notify(struct amdgpu_bo *bo); 311c46ebb6aSPhilip Yang void amdgpu_amdkfd_reserve_system_mem(uint64_t size); 312cd63989eSLang Yu #else 313cd63989eSLang Yu static inline 314cd63989eSLang Yu void amdgpu_amdkfd_gpuvm_init_mem_limits(void) 315cd63989eSLang Yu { 316cd63989eSLang Yu } 317fd7d08baSYong Zhao 318cd63989eSLang Yu static inline 319cd63989eSLang Yu void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev, 320cd63989eSLang Yu struct amdgpu_vm *vm) 321cd63989eSLang Yu { 322cd63989eSLang Yu } 323cd63989eSLang Yu 324cd63989eSLang Yu static inline 3255702d052SFelix Kuehling void amdgpu_amdkfd_release_notify(struct amdgpu_bo *bo) 326cd63989eSLang Yu { 327cd63989eSLang Yu } 328cd63989eSLang Yu #endif 3292d3d25b6SAmber Lin /* KGD2KFD callbacks */ 330cd63989eSLang Yu int kgd2kfd_quiesce_mm(struct mm_struct *mm); 331cd63989eSLang Yu int kgd2kfd_resume_mm(struct mm_struct *mm); 332cd63989eSLang Yu int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, 333cd63989eSLang Yu struct dma_fence *fence); 334cd63989eSLang Yu #if IS_ENABLED(CONFIG_HSA_AMD) 335308176d6SAmber Lin int kgd2kfd_init(void); 3362d3d25b6SAmber Lin void kgd2kfd_exit(void); 3375b983db8SAlex Deucher struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, bool vf); 3382d3d25b6SAmber Lin bool kgd2kfd_device_init(struct kfd_dev *kfd, 3393a0c3423SHarish Kasiviswanathan struct drm_device *ddev, 3402d3d25b6SAmber Lin const struct kgd2kfd_shared_resources *gpu_resources); 3412d3d25b6SAmber Lin void kgd2kfd_device_exit(struct kfd_dev *kfd); 3429593f4d6SRajneesh Bhardwaj void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm); 343fefc01f0SJames Zhu int kgd2kfd_resume_iommu(struct kfd_dev *kfd); 3449593f4d6SRajneesh Bhardwaj int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm); 3452d3d25b6SAmber Lin int kgd2kfd_pre_reset(struct kfd_dev *kfd); 3462d3d25b6SAmber Lin int kgd2kfd_post_reset(struct kfd_dev *kfd); 3472d3d25b6SAmber Lin void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry); 3489b54d201SEric Huang void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd); 349410e302eSGraham Sider void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask); 350cd63989eSLang Yu #else 351cd63989eSLang Yu static inline int kgd2kfd_init(void) 352cd63989eSLang Yu { 353cd63989eSLang Yu return -ENOENT; 354cd63989eSLang Yu } 3552d3d25b6SAmber Lin 356cd63989eSLang Yu static inline void kgd2kfd_exit(void) 357cd63989eSLang Yu { 358cd63989eSLang Yu } 359cd63989eSLang Yu 360cd63989eSLang Yu static inline 3615b983db8SAlex Deucher struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, bool vf) 362cd63989eSLang Yu { 363cd63989eSLang Yu return NULL; 364cd63989eSLang Yu } 365cd63989eSLang Yu 366cd63989eSLang Yu static inline 367cd63989eSLang Yu bool kgd2kfd_device_init(struct kfd_dev *kfd, struct drm_device *ddev, 368cd63989eSLang Yu const struct kgd2kfd_shared_resources *gpu_resources) 369cd63989eSLang Yu { 370cd63989eSLang Yu return false; 371cd63989eSLang Yu } 372cd63989eSLang Yu 373cd63989eSLang Yu static inline void kgd2kfd_device_exit(struct kfd_dev *kfd) 374cd63989eSLang Yu { 375cd63989eSLang Yu } 376cd63989eSLang Yu 377cd63989eSLang Yu static inline void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm) 378cd63989eSLang Yu { 379cd63989eSLang Yu } 380cd63989eSLang Yu 381fefc01f0SJames Zhu static int __maybe_unused kgd2kfd_resume_iommu(struct kfd_dev *kfd) 382fefc01f0SJames Zhu { 383fefc01f0SJames Zhu return 0; 384fefc01f0SJames Zhu } 385fefc01f0SJames Zhu 386cd63989eSLang Yu static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm) 387cd63989eSLang Yu { 388cd63989eSLang Yu return 0; 389cd63989eSLang Yu } 390cd63989eSLang Yu 391cd63989eSLang Yu static inline int kgd2kfd_pre_reset(struct kfd_dev *kfd) 392cd63989eSLang Yu { 393cd63989eSLang Yu return 0; 394cd63989eSLang Yu } 395cd63989eSLang Yu 396cd63989eSLang Yu static inline int kgd2kfd_post_reset(struct kfd_dev *kfd) 397cd63989eSLang Yu { 398cd63989eSLang Yu return 0; 399cd63989eSLang Yu } 400cd63989eSLang Yu 401cd63989eSLang Yu static inline 402cd63989eSLang Yu void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry) 403cd63989eSLang Yu { 404cd63989eSLang Yu } 405cd63989eSLang Yu 406cd63989eSLang Yu static inline 407cd63989eSLang Yu void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd) 408cd63989eSLang Yu { 409cd63989eSLang Yu } 410cd63989eSLang Yu 411cd63989eSLang Yu static inline 412410e302eSGraham Sider void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask) 413cd63989eSLang Yu { 414cd63989eSLang Yu } 415cd63989eSLang Yu #endif 416130e0371SOded Gabbay #endif /* AMDGPU_AMDKFD_H_INCLUDED */ 417