1 /*
2  * Copyright © 2020 Intel Corporation
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <stdarg.h>
27 #include <inttypes.h>
28 
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <fcntl.h>
32 #include <unistd.h>
33 
34 #include <xf86drm.h>
35 
36 #include "intel_device_info.h"
37 
38 static int
error(char * fmt,...)39 error(char *fmt, ...)
40 {
41    va_list ap;
42    va_start(ap, fmt);
43    vfprintf(stderr, fmt, ap);
44    va_end(ap);
45 
46    return EXIT_FAILURE;
47 }
48 
49 int
main(int argc,char * argv[])50 main(int argc, char *argv[])
51 {
52    drmDevicePtr devices[8];
53    int max_devices;
54 
55    max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
56    if (max_devices < 1)
57       return error("Not device found");
58 
59    for (int i = 0; i < max_devices; i++) {
60       struct intel_device_info devinfo;
61       const char *path = devices[i]->nodes[DRM_NODE_RENDER];
62       int fd = open(path, O_RDWR | O_CLOEXEC);
63 
64       if (fd < 0)
65          continue;
66 
67       bool success = intel_get_device_info_from_fd(fd, &devinfo);
68       close(fd);
69 
70       if (!success)
71          continue;
72 
73       fprintf(stdout, "%s:\n", path);
74 
75       fprintf(stdout, "   name: %s\n", devinfo.name);
76       fprintf(stdout, "   gen: %u\n", devinfo.ver);
77       fprintf(stdout, "   PCI id: 0x%x\n", devinfo.chipset_id);
78       fprintf(stdout, "   revision: %u\n", devinfo.revision);
79 
80       const char *subslice_name = devinfo.ver >= 12 ? "dualsubslice" : "subslice";
81       uint32_t n_s = 0, n_ss = 0, n_eus = 0;
82       for (unsigned s = 0; s < devinfo.max_slices; s++) {
83          n_s += (devinfo.slice_masks & (1u << s)) ? 1 : 0;
84          for (unsigned ss = 0; ss < devinfo.max_subslices_per_slice; ss++) {
85             fprintf(stdout, "   slice%u.%s%u: ", s, subslice_name, ss);
86             if (intel_device_info_subslice_available(&devinfo, s, ss)) {
87                n_ss++;
88                for (unsigned eu = 0; eu < devinfo.max_eu_per_subslice; eu++) {
89                   n_eus += intel_device_info_eu_available(&devinfo, s, ss, eu) ? 1 : 0;
90                   fprintf(stdout, "%s", intel_device_info_eu_available(&devinfo, s, ss, eu) ? "1" : "0");
91                }
92             } else {
93                fprintf(stdout, "fused");
94             }
95             fprintf(stdout, "\n");
96          }
97       }
98       fprintf(stdout, "   slices: %u\n", n_s);
99       fprintf(stdout, "   %s: %u\n", subslice_name, n_ss);
100       fprintf(stdout, "   EU per %s: %u\n", subslice_name, devinfo.num_eu_per_subslice);
101       fprintf(stdout, "   EUs: %u\n", n_eus);
102       fprintf(stdout, "   EU threads: %u\n", n_eus * devinfo.num_thread_per_eu);
103 
104       fprintf(stdout, "   LLC: %u\n", devinfo.has_llc);
105       fprintf(stdout, "   threads per EU: %u\n", devinfo.num_thread_per_eu);
106       fprintf(stdout, "   L3 banks: %u\n", devinfo.l3_banks);
107       fprintf(stdout, "   max VS  threads: %u\n", devinfo.max_vs_threads);
108       fprintf(stdout, "   max TCS threads: %u\n", devinfo.max_tcs_threads);
109       fprintf(stdout, "   max TES threads: %u\n", devinfo.max_tes_threads);
110       fprintf(stdout, "   max GS  threads: %u\n", devinfo.max_gs_threads);
111       fprintf(stdout, "   max WM  threads: %u\n", devinfo.max_wm_threads);
112       fprintf(stdout, "   max CS  threads: %u\n", devinfo.max_cs_threads);
113       fprintf(stdout, "   timestamp frequency: %" PRIu64 "\n", devinfo.timestamp_frequency);
114    }
115 
116    return EXIT_SUCCESS;
117 }
118