1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* Copyright © 2020 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 (including
* the next paragraph) 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 AUTHORS OR COPYRIGHT
* HOLDERS 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.
*/
#include "libhsakmt.h"
#include "linux/kfd_ioctl.h"
#include <stdlib.h>
#include <stdio.h>
HSAKMT_STATUS HSAKMTAPI hsaKmtSPMAcquire(HSAuint32 PreferredNode)
{
int ret;
struct kfd_ioctl_spm_args args = {0};
uint32_t gpu_id;
ret = validate_nodeid(PreferredNode, &gpu_id);
if (ret != HSAKMT_STATUS_SUCCESS) {
pr_err("[%s] invalid node ID: %d\n", __func__, PreferredNode);
return ret;
}
ret = HSAKMT_STATUS_SUCCESS;
args.op = KFD_IOCTL_SPM_OP_ACQUIRE;
args.gpu_id = gpu_id;
ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
return ret;
}
HSAKMT_STATUS HSAKMTAPI hsaKmtSPMSetDestBuffer(HSAuint32 PreferredNode,
HSAuint32 SizeInBytes,
HSAuint32 * timeout,
HSAuint32 * SizeCopied,
void *DestMemoryAddress,
bool *isSPMDataLoss)
{
int ret;
struct kfd_ioctl_spm_args args = {0};
uint32_t gpu_id;
ret = HSAKMT_STATUS_SUCCESS;
ret = validate_nodeid(PreferredNode, &gpu_id);
args.timeout = *timeout;
args.dest_buf = (uint64_t)DestMemoryAddress;
args.buf_size = SizeInBytes;
args.op = KFD_IOCTL_SPM_OP_SET_DEST_BUF;
args.gpu_id = gpu_id;
ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
*SizeCopied = args.bytes_copied;
*isSPMDataLoss = args.has_data_loss;
*timeout = args.timeout;
return ret;
}
HSAKMT_STATUS HSAKMTAPI hsaKmtSPMRelease(HSAuint32 PreferredNode)
{
int ret = HSAKMT_STATUS_SUCCESS;
struct kfd_ioctl_spm_args args = {0};
uint32_t gpu_id;
ret = validate_nodeid(PreferredNode, &gpu_id);
if (ret != HSAKMT_STATUS_SUCCESS) {
pr_err("[%s] invalid node ID: %d\n", __func__, PreferredNode);
return ret;
}
args.op = KFD_IOCTL_SPM_OP_RELEASE;
args.gpu_id = gpu_id;
ret = kmtIoctl(kfd_fd, AMDKFD_IOC_RLC_SPM, &args);
return ret;
}
|
