include/linux/dma-resv.h

64  * struct dma_resv - a reservation object manages fences for a buffer
82  * dma_resv_get_list - get the reservation object's
84  * @obj: the reservation object
96  * dma_resv_lock - lock the reservation object
97  * @obj: the reservation object
100  * Locks the reservation object for exclusive access and modification. Note,
105  * As the reservation object may be locked by multiple parties in an
108  * object may be locked by itself by passing NULL as @ctx.
117  * dma_resv_lock_interruptible - lock the reservation object
118  * @obj: the reservation object
121  * Locks the reservation object interruptible for exclusive access and
126  * As the reservation object may be locked by multiple parties in an
129  * object may be locked by itself by passing NULL as @ctx.
138  * dma_resv_lock_slow - slowpath lock the reservation object
139  * @obj: the reservation object
142  * Acquires the reservation object after a die case. This function
154  * object, interruptible
155  * @obj: the reservation object
158  * Acquires the reservation object interruptible after a die case. This function
169  * dma_resv_trylock - trylock the reservation object
170  * @obj: the reservation object
172  * Tries to lock the reservation object for exclusive access and modification.
188  * dma_resv_is_locked - is the reservation object locked
189  * @obj: the reservation object
199  * dma_resv_locking_ctx - returns the context used to lock the object
200  * @obj: the reservation object
202  * Returns the context used to lock a reservation object or NULL if no context
203  * was used or the object is not locked at all.
211  * dma_resv_unlock - unlock the reservation object
212  * @obj: the reservation object
214  * Unlocks the reservation object following exclusive access.
230  * dma_resv_get_excl - get the reservation object's
232  * @obj: the reservation object
249  * dma_resv_get_excl_rcu - get the reservation object's
251  * @obj: the reservation object