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
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright 2014 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "kfd_mqd_manager.h"
#include "amdgpu_amdkfd.h"
#include "kfd_device_queue_manager.h"
struct kfd_mem_obj *allocate_hiq_mqd(struct kfd_dev *dev)
{
struct kfd_mem_obj *mqd_mem_obj = NULL;
mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
if (!mqd_mem_obj)
return NULL;
mqd_mem_obj->gtt_mem = dev->dqm->hiq_sdma_mqd.gtt_mem;
mqd_mem_obj->gpu_addr = dev->dqm->hiq_sdma_mqd.gpu_addr;
mqd_mem_obj->cpu_ptr = dev->dqm->hiq_sdma_mqd.cpu_ptr;
return mqd_mem_obj;
}
struct kfd_mem_obj *allocate_sdma_mqd(struct kfd_dev *dev,
struct queue_properties *q)
{
struct kfd_mem_obj *mqd_mem_obj = NULL;
uint64_t offset;
mqd_mem_obj = kzalloc(sizeof(struct kfd_mem_obj), GFP_KERNEL);
if (!mqd_mem_obj)
return NULL;
offset = (q->sdma_engine_id *
dev->device_info->num_sdma_queues_per_engine +
q->sdma_queue_id) *
dev->dqm->mqd_mgrs[KFD_MQD_TYPE_SDMA]->mqd_size;
offset += dev->dqm->mqd_mgrs[KFD_MQD_TYPE_HIQ]->mqd_size;
mqd_mem_obj->gtt_mem = (void *)((uint64_t)dev->dqm->hiq_sdma_mqd.gtt_mem
+ offset);
mqd_mem_obj->gpu_addr = dev->dqm->hiq_sdma_mqd.gpu_addr + offset;
mqd_mem_obj->cpu_ptr = (uint32_t *)((uint64_t)
dev->dqm->hiq_sdma_mqd.cpu_ptr + offset);
return mqd_mem_obj;
}
void uninit_mqd_hiq_sdma(struct mqd_manager *mm, void *mqd,
struct kfd_mem_obj *mqd_mem_obj)
{
WARN_ON(!mqd_mem_obj->gtt_mem);
kfree(mqd_mem_obj);
}
void mqd_symmetrically_map_cu_mask(struct mqd_manager *mm,
const uint32_t *cu_mask, uint32_t cu_mask_count,
uint32_t *se_mask)
{
struct kfd_cu_info cu_info;
uint32_t cu_per_sh[4] = {0};
int i, se, cu = 0;
amdgpu_amdkfd_get_cu_info(mm->dev->kgd, &cu_info);
if (cu_mask_count > cu_info.cu_active_number)
cu_mask_count = cu_info.cu_active_number;
for (se = 0; se < cu_info.num_shader_engines; se++)
for (i = 0; i < 4; i++)
cu_per_sh[se] += hweight32(cu_info.cu_bitmap[se][i]);
/* Symmetrically map cu_mask to all SEs:
* cu_mask[0] bit0 -> se_mask[0] bit0;
* cu_mask[0] bit1 -> se_mask[1] bit0;
* ... (if # SE is 4)
* cu_mask[0] bit4 -> se_mask[0] bit1;
* ...
*/
se = 0;
for (i = 0; i < cu_mask_count; i++) {
if (cu_mask[i / 32] & (1 << (i % 32)))
se_mask[se] |= 1 << cu;
do {
se++;
if (se == cu_info.num_shader_engines) {
se = 0;
cu++;
}
} while (cu >= cu_per_sh[se] && cu < 32);
}
}
|
