diff options
Diffstat (limited to 'drivers/gpu/drm/amd/include/kgd_kfd_interface.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 191 |
1 files changed, 10 insertions, 181 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 64ecffd52126..5f3c10ebff08 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -34,7 +34,6 @@ struct pci_dev; -#define KFD_INTERFACE_VERSION 2 #define KGD_MAX_QUEUES 128 struct kfd_dev; @@ -138,20 +137,17 @@ struct kgd2kfd_shared_resources { /* Bit n == 1 means Queue n is available for KFD */ DECLARE_BITMAP(queue_bitmap, KGD_MAX_QUEUES); - /* Doorbell assignments (SOC15 and later chips only). Only + /* SDMA doorbell assignments (SOC15 and later chips only). Only * specific doorbells are routed to each SDMA engine. Others * are routed to IH and VCN. They are not usable by the CP. - * - * Any doorbell number D that satisfies the following condition - * is reserved: (D & reserved_doorbell_mask) == reserved_doorbell_val - * - * KFD currently uses 1024 (= 0x3ff) doorbells per process. If - * doorbells 0x0e0-0x0ff and 0x2e0-0x2ff are reserved, that means - * mask would be set to 0x1e0 and val set to 0x0e0. */ - unsigned int sdma_doorbell[2][8]; - unsigned int reserved_doorbell_mask; - unsigned int reserved_doorbell_val; + uint32_t *sdma_doorbell_idx; + + /* From SOC15 onward, the doorbell index range not usable for CP + * queues. + */ + uint32_t non_cp_doorbells_start; + uint32_t non_cp_doorbells_end; /* Base address of doorbell aperture. */ phys_addr_t doorbell_physical_address; @@ -188,8 +184,8 @@ struct tile_config { */ #define ALLOC_MEM_FLAGS_VRAM (1 << 0) #define ALLOC_MEM_FLAGS_GTT (1 << 1) -#define ALLOC_MEM_FLAGS_USERPTR (1 << 2) /* TODO */ -#define ALLOC_MEM_FLAGS_DOORBELL (1 << 3) /* TODO */ +#define ALLOC_MEM_FLAGS_USERPTR (1 << 2) +#define ALLOC_MEM_FLAGS_DOORBELL (1 << 3) /* * Allocation flags attributes/access options. @@ -205,20 +201,6 @@ struct tile_config { /** * struct kfd2kgd_calls * - * @init_gtt_mem_allocation: Allocate a buffer on the gart aperture. - * The buffer can be used for mqds, hpds, kernel queue, fence and runlists - * - * @free_gtt_mem: Frees a buffer that was allocated on the gart aperture - * - * @get_local_mem_info: Retrieves information about GPU local memory - * - * @get_gpu_clock_counter: Retrieves GPU clock counter - * - * @get_max_engine_clock_in_mhz: Retrieves maximum GPU clock in MHz - * - * @alloc_pasid: Allocate a PASID - * @free_pasid: Free a PASID - * * @program_sh_mem_settings: A function that should initiate the memory * properties such as main aperture memory type (cache / non cached) and * secondary aperture base address, size and memory type. @@ -255,64 +237,16 @@ struct tile_config { * * @get_tile_config: Returns GPU-specific tiling mode information * - * @get_cu_info: Retrieves activated cu info - * - * @get_vram_usage: Returns current VRAM usage - * - * @create_process_vm: Create a VM address space for a given process and GPU - * - * @destroy_process_vm: Destroy a VM - * - * @get_process_page_dir: Get physical address of a VM page directory - * * @set_vm_context_page_table_base: Program page table base for a VMID * - * @alloc_memory_of_gpu: Allocate GPUVM memory - * - * @free_memory_of_gpu: Free GPUVM memory - * - * @map_memory_to_gpu: Map GPUVM memory into a specific VM address - * space. Allocates and updates page tables and page directories as - * needed. This function may return before all page table updates have - * completed. This allows multiple map operations (on multiple GPUs) - * to happen concurrently. Use sync_memory to synchronize with all - * pending updates. - * - * @unmap_memor_to_gpu: Unmap GPUVM memory from a specific VM address space - * - * @sync_memory: Wait for pending page table updates to complete - * - * @map_gtt_bo_to_kernel: Map a GTT BO for kernel access - * Pins the BO, maps it to kernel address space. Such BOs are never evicted. - * The kernel virtual address remains valid until the BO is freed. - * - * @restore_process_bos: Restore all BOs that belong to the - * process. This is intended for restoring memory mappings after a TTM - * eviction. - * * @invalidate_tlbs: Invalidate TLBs for a specific PASID * * @invalidate_tlbs_vmid: Invalidate TLBs for a specific VMID * - * @submit_ib: Submits an IB to the engine specified by inserting the - * IB to the corresponding ring (ring type). The IB is executed with the - * specified VMID in a user mode context. - * - * @get_vm_fault_info: Return information about a recent VM fault on - * GFXv7 and v8. If multiple VM faults occurred since the last call of - * this function, it will return information about the first of those - * faults. On GFXv9 VM fault information is fully contained in the IH - * packet and this function is not needed. - * * @read_vmid_from_vmfault_reg: On Hawaii the VMID is not set in the * IH ring entry. This function allows the KFD ISR to get the VMID * from the fault status register as early as possible. * - * @gpu_recover: let kgd reset gpu after kfd detect CPC hang - * - * @set_compute_idle: Indicates that compute is idle on a device. This - * can be used to change power profiles depending on compute activity. - * * @get_hive_id: Returns hive id of current device, 0 if xgmi is not enabled * * This structure contains function pointers to services that the kgd driver @@ -320,21 +254,6 @@ struct tile_config { * */ struct kfd2kgd_calls { - int (*init_gtt_mem_allocation)(struct kgd_dev *kgd, size_t size, - void **mem_obj, uint64_t *gpu_addr, - void **cpu_ptr, bool mqd_gfx9); - - void (*free_gtt_mem)(struct kgd_dev *kgd, void *mem_obj); - - void (*get_local_mem_info)(struct kgd_dev *kgd, - struct kfd_local_mem_info *mem_info); - uint64_t (*get_gpu_clock_counter)(struct kgd_dev *kgd); - - uint32_t (*get_max_engine_clock_in_mhz)(struct kgd_dev *kgd); - - int (*alloc_pasid)(unsigned int bits); - void (*free_pasid)(unsigned int pasid); - /* Register access functions */ void (*program_sh_mem_settings)(struct kgd_dev *kgd, uint32_t vmid, uint32_t sh_mem_config, uint32_t sh_mem_ape1_base, @@ -398,103 +317,13 @@ struct kfd2kgd_calls { uint64_t va, uint32_t vmid); int (*get_tile_config)(struct kgd_dev *kgd, struct tile_config *config); - void (*get_cu_info)(struct kgd_dev *kgd, - struct kfd_cu_info *cu_info); - uint64_t (*get_vram_usage)(struct kgd_dev *kgd); - - int (*create_process_vm)(struct kgd_dev *kgd, unsigned int pasid, void **vm, - void **process_info, struct dma_fence **ef); - int (*acquire_process_vm)(struct kgd_dev *kgd, struct file *filp, - unsigned int pasid, void **vm, void **process_info, - struct dma_fence **ef); - void (*destroy_process_vm)(struct kgd_dev *kgd, void *vm); - void (*release_process_vm)(struct kgd_dev *kgd, void *vm); - uint64_t (*get_process_page_dir)(void *vm); void (*set_vm_context_page_table_base)(struct kgd_dev *kgd, uint32_t vmid, uint64_t page_table_base); - int (*alloc_memory_of_gpu)(struct kgd_dev *kgd, uint64_t va, - uint64_t size, void *vm, - struct kgd_mem **mem, uint64_t *offset, - uint32_t flags); - int (*free_memory_of_gpu)(struct kgd_dev *kgd, struct kgd_mem *mem); - int (*map_memory_to_gpu)(struct kgd_dev *kgd, struct kgd_mem *mem, - void *vm); - int (*unmap_memory_to_gpu)(struct kgd_dev *kgd, struct kgd_mem *mem, - void *vm); - int (*sync_memory)(struct kgd_dev *kgd, struct kgd_mem *mem, bool intr); - int (*map_gtt_bo_to_kernel)(struct kgd_dev *kgd, struct kgd_mem *mem, - void **kptr, uint64_t *size); - int (*restore_process_bos)(void *process_info, struct dma_fence **ef); - int (*invalidate_tlbs)(struct kgd_dev *kgd, uint16_t pasid); int (*invalidate_tlbs_vmid)(struct kgd_dev *kgd, uint16_t vmid); - - int (*submit_ib)(struct kgd_dev *kgd, enum kgd_engine_type engine, - uint32_t vmid, uint64_t gpu_addr, - uint32_t *ib_cmd, uint32_t ib_len); - - int (*get_vm_fault_info)(struct kgd_dev *kgd, - struct kfd_vm_fault_info *info); uint32_t (*read_vmid_from_vmfault_reg)(struct kgd_dev *kgd); - - void (*gpu_recover)(struct kgd_dev *kgd); - - void (*set_compute_idle)(struct kgd_dev *kgd, bool idle); - uint64_t (*get_hive_id)(struct kgd_dev *kgd); }; -/** - * struct kgd2kfd_calls - * - * @exit: Notifies amdkfd that kgd module is unloaded - * - * @probe: Notifies amdkfd about a probe done on a device in the kgd driver. - * - * @device_init: Initialize the newly probed device (if it is a device that - * amdkfd supports) - * - * @device_exit: Notifies amdkfd about a removal of a kgd device - * - * @suspend: Notifies amdkfd about a suspend action done to a kgd device - * - * @resume: Notifies amdkfd about a resume action done to a kgd device - * - * @quiesce_mm: Quiesce all user queue access to specified MM address space - * - * @resume_mm: Resume user queue access to specified MM address space - * - * @schedule_evict_and_restore_process: Schedules work queue that will prepare - * for safe eviction of KFD BOs that belong to the specified process. - * - * @pre_reset: Notifies amdkfd that amdgpu about to reset the gpu - * - * @post_reset: Notify amdkfd that amgpu successfully reseted the gpu - * - * This structure contains function callback pointers so the kgd driver - * will notify to the amdkfd about certain status changes. - * - */ -struct kgd2kfd_calls { - void (*exit)(void); - struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev, - const struct kfd2kgd_calls *f2g); - bool (*device_init)(struct kfd_dev *kfd, - const struct kgd2kfd_shared_resources *gpu_resources); - void (*device_exit)(struct kfd_dev *kfd); - void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry); - void (*suspend)(struct kfd_dev *kfd); - int (*resume)(struct kfd_dev *kfd); - int (*quiesce_mm)(struct mm_struct *mm); - int (*resume_mm)(struct mm_struct *mm); - int (*schedule_evict_and_restore_process)(struct mm_struct *mm, - struct dma_fence *fence); - int (*pre_reset)(struct kfd_dev *kfd); - int (*post_reset)(struct kfd_dev *kfd); -}; - -int kgd2kfd_init(unsigned interface_version, - const struct kgd2kfd_calls **g2f); - #endif /* KGD_KFD_INTERFACE_H_INCLUDED */ |
