diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 128 |
1 files changed, 71 insertions, 57 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index b87e96cee5fa..9e4134c5b481 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -31,8 +31,12 @@ #include <linux/workqueue.h> #include <linux/spinlock.h> #include <linux/kfd_ioctl.h> +#include <linux/idr.h> +#include <linux/kfifo.h> #include <kgd_kfd_interface.h> +#include "amd_shared.h" + #define KFD_SYSFS_FILE_MODE 0444 #define KFD_MMAP_DOORBELL_MASK 0x8000000000000 @@ -112,11 +116,6 @@ enum cache_policy { cache_policy_noncoherent }; -enum asic_family_type { - CHIP_KAVERI = 0, - CHIP_CARRIZO -}; - struct kfd_event_interrupt_class { bool (*interrupt_isr)(struct kfd_dev *dev, const uint32_t *ih_ring_entry); @@ -125,7 +124,7 @@ struct kfd_event_interrupt_class { }; struct kfd_device_info { - unsigned int asic_family; + enum amd_asic_type asic_family; const struct kfd_event_interrupt_class *event_interrupt_class; unsigned int max_pasid_bits; unsigned int max_no_of_hqd; @@ -141,6 +140,12 @@ struct kfd_mem_obj { uint32_t *cpu_ptr; }; +struct kfd_vmid_info { + uint32_t first_vmid_kfd; + uint32_t last_vmid_kfd; + uint32_t vmid_num_kfd; +}; + struct kfd_dev { struct kgd_dev *kgd; @@ -157,14 +162,12 @@ struct kfd_dev { * to HW doorbell, GFX reserved some * at the start) */ - size_t doorbell_process_limit; /* Number of processes we have doorbell - * space for. - */ u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells * page used by kernel queue */ struct kgd2kfd_shared_resources shared_resources; + struct kfd_vmid_info vm_info; const struct kfd2kgd_calls *kfd2kgd; struct mutex doorbell_mutex; @@ -180,10 +183,8 @@ struct kfd_dev { unsigned int gtt_sa_num_of_chunks; /* Interrupts */ - void *interrupt_ring; - size_t interrupt_ring_size; - atomic_t interrupt_ring_rptr; - atomic_t interrupt_ring_wptr; + struct kfifo ih_fifo; + struct workqueue_struct *ih_wq; struct work_struct interrupt_work; spinlock_t interrupt_lock; @@ -221,22 +222,22 @@ void kfd_chardev_exit(void); struct device *kfd_chardev(void); /** - * enum kfd_preempt_type_filter + * enum kfd_unmap_queues_filter * - * @KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE: Preempts single queue. + * @KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE: Preempts single queue. * - * @KFD_PRERMPT_TYPE_FILTER_ALL_QUEUES: Preempts all queues in the + * @KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES: Preempts all queues in the * running queues list. * - * @KFD_PRERMPT_TYPE_FILTER_BY_PASID: Preempts queues that belongs to + * @KFD_UNMAP_QUEUES_FILTER_BY_PASID: Preempts queues that belongs to * specific process. * */ -enum kfd_preempt_type_filter { - KFD_PREEMPT_TYPE_FILTER_SINGLE_QUEUE, - KFD_PREEMPT_TYPE_FILTER_ALL_QUEUES, - KFD_PREEMPT_TYPE_FILTER_DYNAMIC_QUEUES, - KFD_PREEMPT_TYPE_FILTER_BY_PASID +enum kfd_unmap_queues_filter { + KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE, + KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, + KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, + KFD_UNMAP_QUEUES_FILTER_BY_PASID }; /** @@ -404,7 +405,6 @@ struct scheduling_resources { struct process_queue_manager { /* data */ struct kfd_process *process; - unsigned int num_concurrent_processes; struct list_head queues; unsigned long *queue_slot_bitmap; }; @@ -420,6 +420,12 @@ struct qcm_process_device { unsigned int queue_count; unsigned int vmid; bool is_debug; + + /* This flag tells if we should reset all wavefronts on + * process termination + */ + bool reset_wavefronts; + /* * All the memory management data should be here too */ @@ -435,6 +441,13 @@ struct qcm_process_device { uint32_t sh_hidden_private_base; }; + +enum kfd_pdd_bound { + PDD_UNBOUND = 0, + PDD_BOUND, + PDD_BOUND_SUSPENDED, +}; + /* Data that is per-process-per device. */ struct kfd_process_device { /* @@ -446,6 +459,8 @@ struct kfd_process_device { /* The device that owns this data. */ struct kfd_dev *dev; + /* The process that owns this kfd_process_device. */ + struct kfd_process *process; /* per-process-per device QCM data structure */ struct qcm_process_device qpd; @@ -459,12 +474,14 @@ struct kfd_process_device { uint64_t scratch_limit; /* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */ - bool bound; + enum kfd_pdd_bound bound; - /* This flag tells if we should reset all - * wavefronts on process termination + /* Flag used to tell the pdd has dequeued from the dqm. + * This is used to prevent dev->dqm->ops.process_termination() from + * being called twice when it is already called in IOMMU callback + * function. */ - bool reset_wavefronts; + bool already_dequeued; }; #define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd) @@ -477,7 +494,12 @@ struct kfd_process { */ struct hlist_node kfd_processes; - struct mm_struct *mm; + /* + * Opaque pointer to mm_struct. We don't hold a reference to + * it so it should never be dereferenced from here. This is + * only used for looking up processes by their mm. + */ + void *mm; struct mutex mutex; @@ -485,6 +507,8 @@ struct kfd_process { * In any process, the thread that started main() is the lead * thread and outlives the rest. * It is here because amd_iommu_bind_pasid wants a task_struct. + * It can also be used for safely getting a reference to the + * mm_struct of the process. */ struct task_struct *lead_thread; @@ -495,6 +519,7 @@ struct kfd_process { struct rcu_head rcu; unsigned int pasid; + unsigned int doorbell_index; /* * List of kfd_process_device structures, @@ -504,22 +529,16 @@ struct kfd_process { struct process_queue_manager pqm; - /* The process's queues. */ - size_t queue_array_size; - - /* Size is queue_array_size, up to MAX_PROCESS_QUEUES. */ - struct kfd_queue **queues; - /*Is the user space process 32 bit?*/ bool is_32bit_user_mode; /* Event-related data */ struct mutex event_mutex; - /* All events in process hashed by ID, linked on kfd_event.events. */ - DECLARE_HASHTABLE(events, 4); - /* struct slot_page_header.event_pages */ - struct list_head signal_event_pages; - u32 next_nonsignal_event_id; + /* Event ID allocator and lookup */ + struct idr event_idr; + /* Event page */ + struct kfd_signal_page *signal_page; + size_t signal_mapped_size; size_t signal_event_count; bool signal_event_limit_reached; }; @@ -549,8 +568,10 @@ struct kfd_process *kfd_get_process(const struct task_struct *); struct kfd_process *kfd_lookup_process_by_pasid(unsigned int pasid); struct kfd_process_device *kfd_bind_process_to_device(struct kfd_dev *dev, - struct kfd_process *p); -void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid); + struct kfd_process *p); +int kfd_bind_processes_to_device(struct kfd_dev *dev); +void kfd_unbind_processes_from_device(struct kfd_dev *dev); +void kfd_process_iommu_unbind_callback(struct kfd_dev *dev, unsigned int pasid); struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev, struct kfd_process *p); struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev, @@ -584,6 +605,10 @@ void write_kernel_doorbell(u32 __iomem *db, u32 value); unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, struct kfd_process *process, unsigned int queue_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); +void kfd_free_process_doorbells(struct kfd_process *process); /* GTT Sub-Allocator */ @@ -644,14 +669,14 @@ struct process_queue_node { struct list_head process_queue_list; }; +void kfd_process_dequeue_from_device(struct kfd_process_device *pdd); +void kfd_process_dequeue_from_all_devices(struct kfd_process *p); int pqm_init(struct process_queue_manager *pqm, struct kfd_process *p); void pqm_uninit(struct process_queue_manager *pqm); int pqm_create_queue(struct process_queue_manager *pqm, struct kfd_dev *dev, struct file *f, struct queue_properties *properties, - unsigned int flags, - enum kfd_queue_type type, unsigned int *qid); int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, @@ -661,15 +686,12 @@ struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm, int amdkfd_fence_wait_timeout(unsigned int *fence_addr, unsigned int fence_value, - unsigned long timeout); + unsigned int timeout_ms); /* Packet Manager */ -#define KFD_HIQ_TIMEOUT (500) - #define KFD_FENCE_COMPLETED (100) #define KFD_FENCE_INIT (10) -#define KFD_UNMAP_LATENCY (150) struct packet_manager { struct device_queue_manager *dqm; @@ -688,33 +710,25 @@ int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address, uint32_t fence_value); int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, - enum kfd_preempt_type_filter mode, + enum kfd_unmap_queues_filter mode, uint32_t filter_param, bool reset, unsigned int sdma_engine); void pm_release_ib(struct packet_manager *pm); uint64_t kfd_get_number_elems(struct kfd_dev *kfd); -phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, - struct kfd_process *process); /* Events */ extern const struct kfd_event_interrupt_class event_interrupt_class_cik; extern const struct kfd_device_global_init_class device_global_init_class_cik; -enum kfd_event_wait_result { - KFD_WAIT_COMPLETE, - KFD_WAIT_TIMEOUT, - KFD_WAIT_ERROR -}; - void kfd_event_init_process(struct kfd_process *p); void kfd_event_free_process(struct kfd_process *p); int kfd_event_mmap(struct kfd_process *process, struct vm_area_struct *vma); int kfd_wait_on_events(struct kfd_process *p, uint32_t num_events, void __user *data, bool all, uint32_t user_timeout_ms, - enum kfd_event_wait_result *wait_result); + uint32_t *wait_result); void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, uint32_t valid_id_bits); void kfd_signal_iommu_event(struct kfd_dev *dev, |