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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/* Get info about vivante device */
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <xf86drm.h>
#include "etnaviv_drm.h"
#include "hw/common.xml.h"
#ifdef __GNUC__
#define __maybe_unused __attribute__((unused))
#else
#define __maybe_unused
#endif
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
struct feature {
uint32_t mask;
const char *name;
};
#include "features.h"
static void print_features(uint32_t feature, const struct feature *f, size_t n)
{
unsigned int i = 0;
while (n--) {
bool flag = feature & f->mask;
printf(" %c %2u:%-32s\n",
flag ? '+' : '-', i, f->name);
f++;
i++;
}
printf("\n");
}
struct param {
uint32_t param;
const char *format;
struct feature *tbl;
size_t tbl_sz;
void (*decode)(uint32_t value);
};
static struct param params[] = {
{
.param = ETNAVIV_PARAM_GPU_MODEL,
.format = "Chip model: GC%x\n",
}, {
.param = ETNAVIV_PARAM_GPU_REVISION,
.format = "Chip revision: 0x%04x\n",
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_0,
.format = "Chip features: 0x%08x\n",
.tbl = vivante_chipFeatures,
.tbl_sz = ARRAY_SIZE(vivante_chipFeatures),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_1,
.format = "Chip minor features 0: 0x%08x\n",
.tbl = vivante_chipMinorFeatures0,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures0),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_2,
.format = "Chip minor features 1: 0x%08x\n",
.tbl = vivante_chipMinorFeatures1,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures1),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_3,
.format = "Chip minor features 2: 0x%08x\n",
.tbl = vivante_chipMinorFeatures2,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures2),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_4,
.format = "Chip minor features 3: 0x%08x\n",
.tbl = vivante_chipMinorFeatures3,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures3),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_5,
.format = "Chip minor features 4: 0x%08x\n",
.tbl = vivante_chipMinorFeatures4,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures4),
}, {
.param = ETNAVIV_PARAM_GPU_FEATURES_6,
.format = "Chip minor features 5: 0x%08x\n",
.tbl = vivante_chipMinorFeatures5,
.tbl_sz = ARRAY_SIZE(vivante_chipMinorFeatures5),
}, {
.param = ETNAVIV_PARAM_GPU_STREAM_COUNT,
.format = "Stream count: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_REGISTER_MAX,
.format = "Register max: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_THREAD_COUNT,
.format = "Thread count: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT,
.format = "Shader core count: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE,
.format = "Vertex cache size: %ukB\n",
}, {
.param = ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE,
.format = "Vertex output buffer size: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_PIXEL_PIPES,
.format = "Pixel pipes: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT,
.format = "Instruction count: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_NUM_CONSTANTS,
.format = "Num constants: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_BUFFER_SIZE,
.format = "Buffer size: %u\n",
}, {
.param = ETNAVIV_PARAM_GPU_NUM_VARYINGS,
.format = "Varyings count: %u\n",
},
};
static int open_render(void)
{
drmVersionPtr version;
char buf[64];
int minor, fd, rc;
for (minor = 0; minor < 64; minor++) {
snprintf(buf, sizeof(buf), "%s/renderD%d",
DRM_DIR_NAME, 128 + minor);
fd = open(buf, O_RDWR);
if (fd == -1)
continue;
version = drmGetVersion(fd);
if (version) {
rc = strcmp(version->name, "etnaviv");
drmFreeVersion(version);
if (rc == 0)
return fd;
}
close(fd);
}
return -1;
}
static void show_one_gpu(int fd, int pipe)
{
struct drm_etnaviv_param req;
int i;
req.pipe = pipe;
printf("********** core: %i ***********\n", pipe);
printf("* Chip identity:\n");
for (i = 0; i < ARRAY_SIZE(params); i++) {
uint32_t val;
req.param = params[i].param;
if (drmCommandWriteRead(fd, DRM_ETNAVIV_GET_PARAM, &req, sizeof(req)))
continue;
val = req.value;
printf(params[i].format, val);
if (params[i].tbl)
print_features(val, params[i].tbl, params[i].tbl_sz);
}
printf("\n");
}
int main()
{
struct drm_etnaviv_param req;
int fd, pipe;
fd = open_render();
if (fd == -1) {
perror("Cannot open device");
exit(1);
}
for (pipe = 0; pipe < 5; pipe++) {
req.pipe = pipe;
req.param = ETNAVIV_PARAM_GPU_MODEL;
if (drmCommandWriteRead(fd, DRM_ETNAVIV_GET_PARAM, &req, sizeof(req)))
continue;
show_one_gpu(fd, pipe);
}
close(fd);
return 0;
}
|
