diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 34c7662..0ff9a3d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -35,6 +35,9 @@ #define KFD_SYSFS_FILE_MODE 0444 +#define KFD_MMAP_DOORBELL_MASK 0x8000000000000 +#define KFD_MMAP_EVENTS_MASK 0x4000000000000 + /* * When working with cp scheduler we should assign the HIQ manually or via * the radeon driver to a fixed hqd slot, here are the fixed HIQ hqd slot @@ -108,8 +111,16 @@ enum asic_family_type { CHIP_CARRIZO }; +struct kfd_event_interrupt_class { + bool (*interrupt_isr)(struct kfd_dev *dev, + const uint32_t *ih_ring_entry); + void (*interrupt_wq)(struct kfd_dev *dev, + const uint32_t *ih_ring_entry); +}; + struct kfd_device_info { unsigned int asic_family; + const struct kfd_event_interrupt_class *event_interrupt_class; unsigned int max_pasid_bits; size_t ih_ring_entry_size; uint8_t num_of_watch_points; @@ -490,6 +501,15 @@ struct kfd_process { /*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 list_head signal_event_pages; /* struct slot_page_header. + event_pages */ + u32 next_nonsignal_event_id; + size_t signal_event_count; }; /** @@ -514,6 +534,7 @@ void kfd_process_create_wq(void); void kfd_process_destroy_wq(void); struct kfd_process *kfd_create_process(const struct task_struct *); 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); @@ -659,4 +680,30 @@ 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; + +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, const uint32_t __user *event_ids, + bool all, uint32_t user_timeout_ms, + enum kfd_event_wait_result *wait_result); +void kfd_signal_event_interrupt(unsigned int pasid, uint32_t partial_id, + uint32_t valid_id_bits); +int kfd_set_event(struct kfd_process *p, uint32_t event_id); +int kfd_reset_event(struct kfd_process *p, uint32_t event_id); +int kfd_event_create(struct file *devkfd, struct kfd_process *p, + uint32_t event_type, bool auto_reset, uint32_t node_id, + uint32_t *event_id, uint32_t *event_trigger_data, + uint64_t *event_page_offset, uint32_t *event_slot_index); +int kfd_event_destroy(struct kfd_process *p, uint32_t event_id); + #endif |