| 1 | /* SPDX-License-Identifier: MIT */ |
|---|---|
| 2 | /* |
| 3 | * Copyright © 2020 Intel Corporation |
| 4 | */ |
| 5 | |
| 6 | #ifndef __I915_DRM_CLIENT_H__ |
| 7 | #define __I915_DRM_CLIENT_H__ |
| 8 | |
| 9 | #include <linux/kref.h> |
| 10 | #include <linux/list.h> |
| 11 | #include <linux/spinlock.h> |
| 12 | |
| 13 | #include <uapi/drm/i915_drm.h> |
| 14 | |
| 15 | #define I915_LAST_UABI_ENGINE_CLASS I915_ENGINE_CLASS_COMPUTE |
| 16 | |
| 17 | struct drm_file; |
| 18 | struct drm_printer; |
| 19 | |
| 20 | struct i915_drm_client { |
| 21 | struct kref kref; |
| 22 | |
| 23 | unsigned int id; |
| 24 | |
| 25 | spinlock_t ctx_lock; /* For add/remove from ctx_list. */ |
| 26 | struct list_head ctx_list; /* List of contexts belonging to client. */ |
| 27 | |
| 28 | /** |
| 29 | * @past_runtime: Accumulation of pphwsp runtimes from closed contexts. |
| 30 | */ |
| 31 | atomic64_t past_runtime[I915_LAST_UABI_ENGINE_CLASS + 1]; |
| 32 | }; |
| 33 | |
| 34 | static inline struct i915_drm_client * |
| 35 | i915_drm_client_get(struct i915_drm_client *client) |
| 36 | { |
| 37 | kref_get(kref: &client->kref); |
| 38 | return client; |
| 39 | } |
| 40 | |
| 41 | void __i915_drm_client_free(struct kref *kref); |
| 42 | |
| 43 | static inline void i915_drm_client_put(struct i915_drm_client *client) |
| 44 | { |
| 45 | kref_put(kref: &client->kref, release: __i915_drm_client_free); |
| 46 | } |
| 47 | |
| 48 | struct i915_drm_client *i915_drm_client_alloc(void); |
| 49 | |
| 50 | void i915_drm_client_fdinfo(struct drm_printer *p, struct drm_file *file); |
| 51 | |
| 52 | #endif /* !__I915_DRM_CLIENT_H__ */ |
| 53 |