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
device_queue_manager_init_vi(struct device_queue_manager_ops * ops)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
set_cache_memory_policy_vi(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)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
register_process_vi(struct device_queue_manager * dqm,struct qcm_process_device * qpd)55 static int register_process_vi(struct device_queue_manager *dqm,
56 struct qcm_process_device *qpd)
57 {
58 return -1;
59 }
60
initialize_cpsch_vi(struct device_queue_manager * dqm)61 static int initialize_cpsch_vi(struct device_queue_manager *dqm)
62 {
63 return 0;
64 }
65