127 	/* pipe ID - index into goldfish_pipe_dev::pipes array */
144 	/* doubly linked list of signalled pipes, protected by
177 	 *  - pipes, pipes_capacity
178 	 *  - [*pipes, *pipes + pipes_capacity) - array data
183 	 *                                       in all allocated pipes
187 	 * the only operation that happens often is the signalled pipes array
195 	 * Array of the pipes of |pipes_capacity| elements,
198 	struct goldfish_pipe **pipes;  member
204 	/* Head of a doubly linked list of signalled pipes */
522 	pipe = dev->pipes[id];  in signalled_pipes_add_locked()
579 	/* Iterate over the signalled pipes and wake them one by one */  in goldfish_interrupt_task()
609  *  2. IRQ handler reads the signalled pipes and their count from the device
611  *      it only resets the IRQ if it has returned all signalled pipes,
614  *  4. IRQ handler adds all returned pipes to the device's signalled pipes list
615  *  5. IRQ handler defers processing the signalled pipes from the list in a
628 	/* Request the signalled pipes from the device */  in goldfish_pipe_interrupt()
654 		if (!dev->pipes[id])  in get_free_pipe_id_locked()
663 		struct goldfish_pipe **pipes =  in get_free_pipe_id_locked()  local
664 			kcalloc(new_capacity, sizeof(*pipes), GFP_ATOMIC);  in get_free_pipe_id_locked()
665 		if (!pipes)  in get_free_pipe_id_locked()
667 		memcpy(pipes, dev->pipes, sizeof(*pipes) * dev->pipes_capacity);  in get_free_pipe_id_locked()
668 		kfree(dev->pipes);  in get_free_pipe_id_locked()
669 		dev->pipes = pipes;  in get_free_pipe_id_locked()
732 	dev->pipes[id] = pipe;  in goldfish_pipe_open()
751 	dev->pipes[id] = NULL;  in goldfish_pipe_open()
770 	dev->pipes[pipe->id] = NULL;  in goldfish_pipe_release()
830 	dev->pipes = kcalloc(dev->pipes_capacity, sizeof(*dev->pipes),  in goldfish_pipe_device_init()
832 	if (!dev->pipes) {  in goldfish_pipe_device_init()
847 		kfree(dev->pipes);  in goldfish_pipe_device_init()
872 	kfree(dev->pipes);  in goldfish_pipe_device_deinit()
949 MODULE_DESCRIPTION("Goldfish virtual device for QEMU pipes");