diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 112 |
1 files changed, 98 insertions, 14 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 96a9cc0f02c9..5e3990bb4c4b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -39,11 +39,37 @@ #include "amd_shared.h" +#define KFD_MAX_RING_ENTRY_SIZE 8 + #define KFD_SYSFS_FILE_MODE 0444 -#define KFD_MMAP_DOORBELL_MASK 0x8000000000000ull -#define KFD_MMAP_EVENTS_MASK 0x4000000000000ull -#define KFD_MMAP_RESERVED_MEM_MASK 0x2000000000000ull +/* GPU ID hash width in bits */ +#define KFD_GPU_ID_HASH_WIDTH 16 + +/* Use upper bits of mmap offset to store KFD driver specific information. + * BITS[63:62] - Encode MMAP type + * BITS[61:46] - Encode gpu_id. To identify to which GPU the offset belongs to + * BITS[45:0] - MMAP offset value + * + * NOTE: struct vm_area_struct.vm_pgoff uses offset in pages. Hence, these + * defines are w.r.t to PAGE_SIZE + */ +#define KFD_MMAP_TYPE_SHIFT (62 - PAGE_SHIFT) +#define KFD_MMAP_TYPE_MASK (0x3ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) + +#define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) +#define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ + << KFD_MMAP_GPU_ID_SHIFT) +#define KFD_MMAP_GPU_ID(gpu_id) ((((uint64_t)gpu_id) << KFD_MMAP_GPU_ID_SHIFT)\ + & KFD_MMAP_GPU_ID_MASK) +#define KFD_MMAP_GPU_ID_GET(offset) ((offset & KFD_MMAP_GPU_ID_MASK) \ + >> KFD_MMAP_GPU_ID_SHIFT) + +#define KFD_MMAP_OFFSET_VALUE_MASK (0x3FFFFFFFFFFFULL >> PAGE_SHIFT) +#define KFD_MMAP_OFFSET_VALUE_GET(offset) (offset & KFD_MMAP_OFFSET_VALUE_MASK) /* * When working with cp scheduler we should assign the HIQ manually or via @@ -55,9 +81,6 @@ #define KFD_CIK_HIQ_PIPE 4 #define KFD_CIK_HIQ_QUEUE 0 -/* GPU ID hash width in bits */ -#define KFD_GPU_ID_HASH_WIDTH 16 - /* Macro for allocating structures */ #define kfd_alloc_struct(ptr_to_struct) \ ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL)) @@ -116,6 +139,11 @@ extern int debug_largebar; */ extern int ignore_crat; +/* + * Set sh_mem_config.retry_disable on Vega10 + */ +extern int vega10_noretry; + /** * enum kfd_sched_policy * @@ -148,6 +176,8 @@ enum cache_policy { cache_policy_noncoherent }; +#define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) + struct kfd_event_interrupt_class { bool (*interrupt_isr)(struct kfd_dev *dev, const uint32_t *ih_ring_entry); @@ -160,6 +190,7 @@ struct kfd_device_info { const struct kfd_event_interrupt_class *event_interrupt_class; unsigned int max_pasid_bits; unsigned int max_no_of_hqd; + unsigned int doorbell_size; size_t ih_ring_entry_size; uint8_t num_of_watch_points; uint16_t mqd_size_aligned; @@ -173,6 +204,7 @@ struct kfd_mem_obj { uint32_t range_end; uint64_t gpu_addr; uint32_t *cpu_ptr; + void *gtt_mem; }; struct kfd_vmid_info { @@ -364,7 +396,7 @@ struct queue_properties { uint32_t queue_percent; uint32_t *read_ptr; uint32_t *write_ptr; - uint32_t __iomem *doorbell_ptr; + void __iomem *doorbell_ptr; uint32_t doorbell_off; bool is_interop; bool is_evicted; @@ -427,6 +459,7 @@ struct queue { uint32_t queue; unsigned int sdma_id; + unsigned int doorbell_id; struct kfd_process *process; struct kfd_dev *device; @@ -501,6 +534,9 @@ struct qcm_process_device { /* IB memory */ uint64_t ib_base; void *ib_kaddr; + + /* doorbell resources per process per device */ + unsigned long *doorbell_bitmap; }; /* KFD Memory Eviction */ @@ -512,6 +548,8 @@ struct qcm_process_device { /* Approx. time before evicting the process again */ #define PROCESS_ACTIVE_TIME_MS 10 +int kgd2kfd_quiesce_mm(struct mm_struct *mm); +int kgd2kfd_resume_mm(struct mm_struct *mm); int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm, struct dma_fence *fence); @@ -681,6 +719,8 @@ struct kfd_process *kfd_get_process(const struct task_struct *); struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm); void kfd_unref_process(struct kfd_process *p); +int kfd_process_evict_queues(struct kfd_process *p); +int kfd_process_restore_queues(struct kfd_process *p); void kfd_suspend_all_processes(void); int kfd_resume_all_processes(void); @@ -693,7 +733,7 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, struct kfd_process *p); -int kfd_reserved_mem_mmap(struct kfd_process *process, +int kfd_reserved_mem_mmap(struct kfd_dev *dev, struct kfd_process *process, struct vm_area_struct *vma); /* KFD process API for creating and translating handles */ @@ -721,17 +761,20 @@ unsigned int kfd_pasid_alloc(void); void kfd_pasid_free(unsigned int pasid); /* Doorbells */ +size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); int kfd_doorbell_init(struct kfd_dev *kfd); void kfd_doorbell_fini(struct kfd_dev *kfd); -int kfd_doorbell_mmap(struct kfd_process *process, struct vm_area_struct *vma); -u32 __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, +int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, + struct vm_area_struct *vma); +void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, unsigned int *doorbell_off); void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); u32 read_kernel_doorbell(u32 __iomem *db); -void write_kernel_doorbell(u32 __iomem *db, u32 value); -unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, +void write_kernel_doorbell(void __iomem *db, u32 value); +void write_kernel_doorbell64(void __iomem *db, u64 value); +unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, struct kfd_process *process, - unsigned int queue_id); + unsigned int doorbell_id); phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, struct kfd_process *process); int kfd_alloc_process_doorbells(struct kfd_process *process); @@ -788,6 +831,8 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, struct kfd_dev *dev); struct mqd_manager *mqd_manager_init_vi_tonga(enum KFD_MQD_TYPE type, struct kfd_dev *dev); +struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, + struct kfd_dev *dev); struct device_queue_manager *device_queue_manager_init(struct kfd_dev *dev); void device_queue_manager_uninit(struct device_queue_manager *dqm); struct kernel_queue *kernel_queue_init(struct kfd_dev *dev, @@ -832,8 +877,42 @@ struct packet_manager { bool allocated; struct kfd_mem_obj *ib_buffer_obj; unsigned int ib_size_bytes; + + const struct packet_manager_funcs *pmf; +}; + +struct packet_manager_funcs { + /* Support ASIC-specific packet formats for PM4 packets */ + int (*map_process)(struct packet_manager *pm, uint32_t *buffer, + struct qcm_process_device *qpd); + int (*runlist)(struct packet_manager *pm, uint32_t *buffer, + uint64_t ib, size_t ib_size_in_dwords, bool chain); + int (*set_resources)(struct packet_manager *pm, uint32_t *buffer, + struct scheduling_resources *res); + int (*map_queues)(struct packet_manager *pm, uint32_t *buffer, + struct queue *q, bool is_static); + int (*unmap_queues)(struct packet_manager *pm, uint32_t *buffer, + enum kfd_queue_type type, + enum kfd_unmap_queues_filter mode, + uint32_t filter_param, bool reset, + unsigned int sdma_engine); + int (*query_status)(struct packet_manager *pm, uint32_t *buffer, + uint64_t fence_address, uint32_t fence_value); + int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer); + + /* Packet sizes */ + int map_process_size; + int runlist_size; + int set_resources_size; + int map_queues_size; + int unmap_queues_size; + int query_status_size; + int release_mem_size; }; +extern const struct packet_manager_funcs kfd_vi_pm_funcs; +extern const struct packet_manager_funcs kfd_v9_pm_funcs; + int pm_init(struct packet_manager *pm, struct device_queue_manager *dqm); void pm_uninit(struct packet_manager *pm); int pm_send_set_resources(struct packet_manager *pm, @@ -849,12 +928,17 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, void pm_release_ib(struct packet_manager *pm); -uint32_t pm_create_release_mem(uint64_t gpu_addr, uint32_t *buffer); +/* Following PM funcs can be shared among VI and AI */ +unsigned int pm_build_pm4_header(unsigned int opcode, size_t packet_size); +int pm_set_resources_vi(struct packet_manager *pm, uint32_t *buffer, + struct scheduling_resources *res); uint64_t kfd_get_number_elems(struct kfd_dev *kfd); /* Events */ extern const struct kfd_event_interrupt_class event_interrupt_class_cik; +extern const struct kfd_event_interrupt_class event_interrupt_class_v9; + extern const struct kfd_device_global_init_class device_global_init_class_cik; void kfd_event_init_process(struct kfd_process *p); |