drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h

   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_ */