[deliverable/linux.git] / drivers / gpu / drm / amd / amdkfd / kfd_device_queue_manager.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_DEVICE_QUEUE_MANAGER_H_
#define KFD_DEVICE_QUEUE_MANAGER_H_

#include <linux/rwsem.h>
#include <linux/list.h>
#include "kfd_priv.h"
#include "kfd_mqd_manager.h"

#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS	(500)
#define QUEUES_PER_PIPE				(8)
#define PIPE_PER_ME_CP_SCHEDULING		(3)
#define CIK_VMID_NUM				(8)
#define KFD_VMID_START_OFFSET			(8)
#define VMID_PER_DEVICE				CIK_VMID_NUM
#define KFD_DQM_FIRST_PIPE			(0)

struct device_process_node {
	struct qcm_process_device *qpd;
	struct list_head list;
};

struct device_queue_manager {
	int	(*create_queue)(struct device_queue_manager *dqm,
				struct queue *q,
				struct qcm_process_device *qpd,
				int *allocate_vmid);
	int	(*destroy_queue)(struct device_queue_manager *dqm,
				struct qcm_process_device *qpd,
				struct queue *q);
	int	(*update_queue)(struct device_queue_manager *dqm,
				struct queue *q);
	struct mqd_manager * (*get_mqd_manager)(
					struct device_queue_manager *dqm,
					enum KFD_MQD_TYPE type);

	int	(*register_process)(struct device_queue_manager *dqm,
					struct qcm_process_device *qpd);
	int	(*unregister_process)(struct device_queue_manager *dqm,
					struct qcm_process_device *qpd);
	int	(*initialize)(struct device_queue_manager *dqm);
	int	(*start)(struct device_queue_manager *dqm);
	int	(*stop)(struct device_queue_manager *dqm);
	void	(*uninitialize)(struct device_queue_manager *dqm);
	int	(*create_kernel_queue)(struct device_queue_manager *dqm,
					struct kernel_queue *kq,
					struct qcm_process_device *qpd);
	void	(*destroy_kernel_queue)(struct device_queue_manager *dqm,
					struct kernel_queue *kq,
					struct qcm_process_device *qpd);
	bool	(*set_cache_memory_policy)(struct device_queue_manager *dqm,
					   struct qcm_process_device *qpd,
					   enum cache_policy default_policy,
					   enum cache_policy alternate_policy,
					   void __user *alternate_aperture_base,
					   uint64_t alternate_aperture_size);


	struct mqd_manager	*mqds[KFD_MQD_TYPE_MAX];
	struct packet_manager	packets;
	struct kfd_dev		*dev;
	struct mutex		lock;
	struct list_head	queues;
	unsigned int		processes_count;
	unsigned int		queue_count;
	unsigned int		next_pipe_to_allocate;
	unsigned int		*allocated_queues;
	unsigned int		vmid_bitmap;
	uint64_t		pipelines_addr;
	struct kfd_mem_obj	*pipeline_mem;
	uint64_t		fence_gpu_addr;
	unsigned int		*fence_addr;
	struct kfd_mem_obj	*fence_mem;
	bool			active_runlist;
};


#endif /* KFD_DEVICE_QUEUE_MANAGER_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_DEVICE_QUEUE_MANAGER_H_
	25	#define KFD_DEVICE_QUEUE_MANAGER_H_
	26
	27	#include <linux/rwsem.h>
	28	#include <linux/list.h>
	29	#include "kfd_priv.h"
	30	#include "kfd_mqd_manager.h"
	31
	32	#define QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS (500)
	33	#define QUEUES_PER_PIPE (8)
	34	#define PIPE_PER_ME_CP_SCHEDULING (3)
	35	#define CIK_VMID_NUM (8)
	36	#define KFD_VMID_START_OFFSET (8)
	37	#define VMID_PER_DEVICE CIK_VMID_NUM
	38	#define KFD_DQM_FIRST_PIPE (0)
	39
	40	struct device_process_node {
	41	struct qcm_process_device *qpd;
	42	struct list_head list;
	43	};
	44
	45	struct device_queue_manager {
	46	int (create_queue)(struct device_queue_manager dqm,
	47	struct queue *q,
	48	struct qcm_process_device *qpd,
	49	int *allocate_vmid);
	50	int (destroy_queue)(struct device_queue_manager dqm,
	51	struct qcm_process_device *qpd,
	52	struct queue *q);
	53	int (update_queue)(struct device_queue_manager dqm,
	54	struct queue *q);
	55	struct mqd_manager * (*get_mqd_manager)(
	56	struct device_queue_manager *dqm,
	57	enum KFD_MQD_TYPE type);
	58
	59	int (register_process)(struct device_queue_manager dqm,
	60	struct qcm_process_device *qpd);
	61	int (unregister_process)(struct device_queue_manager dqm,
	62	struct qcm_process_device *qpd);
	63	int (initialize)(struct device_queue_manager dqm);
	64	int (start)(struct device_queue_manager dqm);
65	int (stop)(struct device_queue_manager dqm);
66	void (uninitialize)(struct device_queue_manager dqm);
67	int (create_kernel_queue)(struct device_queue_manager dqm,
68	struct kernel_queue *kq,
69	struct qcm_process_device *qpd);
70	void (destroy_kernel_queue)(struct device_queue_manager dqm,
71	struct kernel_queue *kq,
72	struct qcm_process_device *qpd);
73	bool (set_cache_memory_policy)(struct device_queue_manager dqm,
74	struct qcm_process_device *qpd,
75	enum cache_policy default_policy,
76	enum cache_policy alternate_policy,
77	void __user *alternate_aperture_base,
78	uint64_t alternate_aperture_size);
79
80
81	struct mqd_manager *mqds[KFD_MQD_TYPE_MAX];
82	struct packet_manager packets;
83	struct kfd_dev *dev;
84	struct mutex lock;
85	struct list_head queues;
86	unsigned int processes_count;
87	unsigned int queue_count;
88	unsigned int next_pipe_to_allocate;
89	unsigned int *allocated_queues;
90	unsigned int vmid_bitmap;
91	uint64_t pipelines_addr;
92	struct kfd_mem_obj *pipeline_mem;
93	uint64_t fence_gpu_addr;
94	unsigned int *fence_addr;
95	struct kfd_mem_obj *fence_mem;
96	bool active_runlist;
97	};
98
99
100
101	#endif /* KFD_DEVICE_QUEUE_MANAGER_H_ */