[deliverable/linux.git] / drivers / gpu / drm / amd / amdkfd / kfd_kernel_queue.h

/*
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#ifndef KFD_KERNEL_QUEUE_H_
#define KFD_KERNEL_QUEUE_H_

#include <linux/list.h>
#include <linux/types.h>
#include "kfd_priv.h"

struct kernel_queue {
	/* interface */
	bool	(*initialize)(struct kernel_queue *kq, struct kfd_dev *dev,
			enum kfd_queue_type type, unsigned int queue_size);
	void	(*uninitialize)(struct kernel_queue *kq);
	int	(*acquire_packet_buffer)(struct kernel_queue *kq,
					size_t packet_size_in_dwords,
					unsigned int **buffer_ptr);

	void	(*submit_packet)(struct kernel_queue *kq);
	int	(*sync_with_hw)(struct kernel_queue *kq,
				unsigned long timeout_ms);
	void	(*rollback_packet)(struct kernel_queue *kq);

	/* data */
	struct kfd_dev		*dev;
	struct mqd_manager	*mqd;
	struct queue		*queue;
	uint32_t		pending_wptr;
	unsigned int		nop_packet;

	struct kfd_mem_obj	*rptr_mem;
	uint32_t		*rptr_kernel;
	uint64_t		rptr_gpu_addr;
	struct kfd_mem_obj	*wptr_mem;
	uint32_t		*wptr_kernel;
	uint64_t		wptr_gpu_addr;
	struct kfd_mem_obj	*pq;
	uint64_t		pq_gpu_addr;
	uint32_t		*pq_kernel_addr;

	struct kfd_mem_obj	*fence_mem_obj;
	uint64_t		fence_gpu_addr;
	void			*fence_kernel_address;

	struct list_head	list;
};

#endif /* KFD_KERNEL_QUEUE_H_ */
Commit	Line	Data
ed6e6a34 BG	1	/*
	2	* Copyright 2014 Advanced Micro Devices, Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	*/
	23
	24	#ifndef KFD_KERNEL_QUEUE_H_
	25	#define KFD_KERNEL_QUEUE_H_
	26
	27	#include <linux/list.h>
	28	#include <linux/types.h>
	29	#include "kfd_priv.h"
	30
	31	struct kernel_queue {
	32	/* interface */
	33	bool (initialize)(struct kernel_queue kq, struct kfd_dev *dev,
	34	enum kfd_queue_type type, unsigned int queue_size);
	35	void (uninitialize)(struct kernel_queue kq);
	36	int (acquire_packet_buffer)(struct kernel_queue kq,
	37	size_t packet_size_in_dwords,
	38	unsigned int **buffer_ptr);
	39
	40	void (submit_packet)(struct kernel_queue kq);
	41	int (sync_with_hw)(struct kernel_queue kq,
	42	unsigned long timeout_ms);
	43	void (rollback_packet)(struct kernel_queue kq);
	44
	45	/* data */
	46	struct kfd_dev *dev;
	47	struct mqd_manager *mqd;
	48	struct queue *queue;
	49	uint32_t pending_wptr;
	50	unsigned int nop_packet;
	51
	52	struct kfd_mem_obj *rptr_mem;
	53	uint32_t *rptr_kernel;
	54	uint64_t rptr_gpu_addr;
	55	struct kfd_mem_obj *wptr_mem;
	56	uint32_t *wptr_kernel;
	57	uint64_t wptr_gpu_addr;
	58	struct kfd_mem_obj *pq;
	59	uint64_t pq_gpu_addr;
	60	uint32_t *pq_kernel_addr;
	61
	62	struct kfd_mem_obj *fence_mem_obj;
	63	uint64_t fence_gpu_addr;
	64	void *fence_kernel_address;
65
66	struct list_head list;
67	};
68
69	#endif /* KFD_KERNEL_QUEUE_H_ */