1 /*
2 * Copyright © 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including
13 * the next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 */
25
26 #include "libhsakmt.h"
27 #include "linux/kfd_ioctl.h"
28
hsaKmtGetClockCounters(HSAuint32 NodeId,HsaClockCounters * Counters)29 HSAKMT_STATUS HSAKMTAPI hsaKmtGetClockCounters(HSAuint32 NodeId,
30 HsaClockCounters *Counters)
31 {
32 HSAKMT_STATUS result;
33 uint32_t gpu_id;
34 struct kfd_ioctl_get_clock_counters_args args = {0};
35 int err;
36
37 CHECK_KFD_OPEN();
38
39 result = validate_nodeid(NodeId, &gpu_id);
40 if (result != HSAKMT_STATUS_SUCCESS)
41 return result;
42
43 args.gpu_id = gpu_id;
44
45 err = kmtIoctl(kfd_fd, AMDKFD_IOC_GET_CLOCK_COUNTERS, &args);
46 if (err < 0) {
47 result = HSAKMT_STATUS_ERROR;
48 } else {
49 /* At this point the result is already HSAKMT_STATUS_SUCCESS */
50 Counters->GPUClockCounter = args.gpu_clock_counter;
51 Counters->CPUClockCounter = args.cpu_clock_counter;
52 Counters->SystemClockCounter = args.system_clock_counter;
53 Counters->SystemClockFrequencyHz = args.system_clock_freq;
54 }
55
56 return result;
57 }
58