diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h index e00d38d9160a..1949dbe28a86 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.h @@ -70,6 +70,21 @@ struct amdgpu_reset_control { void (*async_reset)(struct work_struct *work); }; + +enum amdgpu_reset_domain_type { + SINGLE_DEVICE, + XGMI_HIVE +}; + +struct amdgpu_reset_domain { + struct kref refcount; + struct workqueue_struct *wq; + enum amdgpu_reset_domain_type type; + struct rw_semaphore sem; + atomic_t in_gpu_reset; +}; + + int amdgpu_reset_init(struct amdgpu_device *adev); int amdgpu_reset_fini(struct amdgpu_device *adev); @@ -82,4 +97,29 @@ int amdgpu_reset_perform_reset(struct amdgpu_device *adev, int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl, struct amdgpu_reset_handler *handler); +struct amdgpu_reset_domain *amdgpu_reset_create_reset_domain(enum amdgpu_reset_domain_type type, + char *wq_name); + +void amdgpu_reset_destroy_reset_domain(struct kref *ref); + +static inline bool amdgpu_reset_get_reset_domain(struct amdgpu_reset_domain *domain) +{ + return kref_get_unless_zero(&domain->refcount) != 0; +} + +static inline void amdgpu_reset_put_reset_domain(struct amdgpu_reset_domain *domain) +{ + kref_put(&domain->refcount, amdgpu_reset_destroy_reset_domain); +} + +static inline bool amdgpu_reset_domain_schedule(struct amdgpu_reset_domain *domain, + struct work_struct *work) +{ + return queue_work(domain->wq, work); +} + +void amdgpu_device_lock_reset_domain(struct amdgpu_reset_domain *reset_domain); + +void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain); + #endif |