kernel/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager_vi.c

   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 #include "kfd_device_queue_manager.h"
  25
  26 static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm,
  27                                    struct qcm_process_device *qpd,
  28                                    enum cache_policy default_policy,
  29                                    enum cache_policy alternate_policy,
  30                                    void __user *alternate_aperture_base,
  31                                    uint64_t alternate_aperture_size);
  32 static int register_process_vi(struct device_queue_manager *dqm,
  33                                         struct qcm_process_device *qpd);
  34 static int initialize_cpsch_vi(struct device_queue_manager *dqm);
  35
  36 void device_queue_manager_init_vi(struct device_queue_manager_ops *ops)
  37 {
  38         pr_warn("amdkfd: VI DQM is not currently supported\n");
  39
  40         ops->set_cache_memory_policy = set_cache_memory_policy_vi;
  41         ops->register_process = register_process_vi;
  42         ops->initialize = initialize_cpsch_vi;
  43 }
  44
  45 static bool set_cache_memory_policy_vi(struct device_queue_manager *dqm,
  46                                    struct qcm_process_device *qpd,
  47                                    enum cache_policy default_policy,
  48                                    enum cache_policy alternate_policy,
  49                                    void __user *alternate_aperture_base,
  50                                    uint64_t alternate_aperture_size)
  51 {
  52         return false;
  53 }
  54
  55 static int register_process_vi(struct device_queue_manager *dqm,
  56                                         struct qcm_process_device *qpd)
  57 {
  58         return -1;
  59 }
  60
  61 static int initialize_cpsch_vi(struct device_queue_manager *dqm)
  62 {
  63         return 0;
  64 }