1
2
3
4
5#include "gem/i915_gem_mman.h"
6#include "gt/intel_engine_user.h"
7
8#include "i915_drv.h"
9#include "i915_perf.h"
10
11int i915_getparam_ioctl(struct drm_device *dev, void *data,
12 struct drm_file *file_priv)
13{
14 struct drm_i915_private *i915 = to_i915(dev);
15 const struct sseu_dev_info *sseu = &i915->gt.info.sseu;
16 drm_i915_getparam_t *param = data;
17 int value;
18
19 switch (param->param) {
20 case I915_PARAM_IRQ_ACTIVE:
21 case I915_PARAM_ALLOW_BATCHBUFFER:
22 case I915_PARAM_LAST_DISPATCH:
23 case I915_PARAM_HAS_EXEC_CONSTANTS:
24
25 return -ENODEV;
26 case I915_PARAM_CHIPSET_ID:
27 value = i915->drm.pdev->device;
28 break;
29 case I915_PARAM_REVISION:
30 value = i915->drm.pdev->revision;
31 break;
32 case I915_PARAM_NUM_FENCES_AVAIL:
33 value = i915->ggtt.num_fences;
34 break;
35 case I915_PARAM_HAS_OVERLAY:
36 value = !!i915->overlay;
37 break;
38 case I915_PARAM_HAS_BSD:
39 value = !!intel_engine_lookup_user(i915,
40 I915_ENGINE_CLASS_VIDEO, 0);
41 break;
42 case I915_PARAM_HAS_BLT:
43 value = !!intel_engine_lookup_user(i915,
44 I915_ENGINE_CLASS_COPY, 0);
45 break;
46 case I915_PARAM_HAS_VEBOX:
47 value = !!intel_engine_lookup_user(i915,
48 I915_ENGINE_CLASS_VIDEO_ENHANCE, 0);
49 break;
50 case I915_PARAM_HAS_BSD2:
51 value = !!intel_engine_lookup_user(i915,
52 I915_ENGINE_CLASS_VIDEO, 1);
53 break;
54 case I915_PARAM_HAS_LLC:
55 value = HAS_LLC(i915);
56 break;
57 case I915_PARAM_HAS_WT:
58 value = HAS_WT(i915);
59 break;
60 case I915_PARAM_HAS_ALIASING_PPGTT:
61 value = INTEL_PPGTT(i915);
62 break;
63 case I915_PARAM_HAS_SEMAPHORES:
64 value = !!(i915->caps.scheduler & I915_SCHEDULER_CAP_SEMAPHORES);
65 break;
66 case I915_PARAM_HAS_SECURE_BATCHES:
67 value = HAS_SECURE_BATCHES(i915) && capable(CAP_SYS_ADMIN);
68 break;
69 case I915_PARAM_CMD_PARSER_VERSION:
70 value = i915_cmd_parser_get_version(i915);
71 break;
72 case I915_PARAM_SUBSLICE_TOTAL:
73 value = intel_sseu_subslice_total(sseu);
74 if (!value)
75 return -ENODEV;
76 break;
77 case I915_PARAM_EU_TOTAL:
78 value = sseu->eu_total;
79 if (!value)
80 return -ENODEV;
81 break;
82 case I915_PARAM_HAS_GPU_RESET:
83 value = i915->params.enable_hangcheck &&
84 intel_has_gpu_reset(&i915->gt);
85 if (value && intel_has_reset_engine(&i915->gt))
86 value = 2;
87 break;
88 case I915_PARAM_HAS_RESOURCE_STREAMER:
89 value = 0;
90 break;
91 case I915_PARAM_HAS_POOLED_EU:
92 value = HAS_POOLED_EU(i915);
93 break;
94 case I915_PARAM_MIN_EU_IN_POOL:
95 value = sseu->min_eu_in_pool;
96 break;
97 case I915_PARAM_HUC_STATUS:
98 value = intel_huc_check_status(&i915->gt.uc.huc);
99 if (value < 0)
100 return value;
101 break;
102 case I915_PARAM_MMAP_GTT_VERSION:
103
104
105
106
107 value = i915_gem_mmap_gtt_version();
108 break;
109 case I915_PARAM_HAS_SCHEDULER:
110 value = i915->caps.scheduler;
111 break;
112
113 case I915_PARAM_MMAP_VERSION:
114
115 case I915_PARAM_HAS_GEM:
116 case I915_PARAM_HAS_PAGEFLIPPING:
117 case I915_PARAM_HAS_EXECBUF2:
118 case I915_PARAM_HAS_RELAXED_FENCING:
119 case I915_PARAM_HAS_COHERENT_RINGS:
120 case I915_PARAM_HAS_RELAXED_DELTA:
121 case I915_PARAM_HAS_GEN7_SOL_RESET:
122 case I915_PARAM_HAS_WAIT_TIMEOUT:
123 case I915_PARAM_HAS_PRIME_VMAP_FLUSH:
124 case I915_PARAM_HAS_PINNED_BATCHES:
125 case I915_PARAM_HAS_EXEC_NO_RELOC:
126 case I915_PARAM_HAS_EXEC_HANDLE_LUT:
127 case I915_PARAM_HAS_COHERENT_PHYS_GTT:
128 case I915_PARAM_HAS_EXEC_SOFTPIN:
129 case I915_PARAM_HAS_EXEC_ASYNC:
130 case I915_PARAM_HAS_EXEC_FENCE:
131 case I915_PARAM_HAS_EXEC_CAPTURE:
132 case I915_PARAM_HAS_EXEC_BATCH_FIRST:
133 case I915_PARAM_HAS_EXEC_FENCE_ARRAY:
134 case I915_PARAM_HAS_EXEC_SUBMIT_FENCE:
135 case I915_PARAM_HAS_EXEC_TIMELINE_FENCES:
136
137
138
139
140
141 value = 1;
142 break;
143 case I915_PARAM_HAS_CONTEXT_ISOLATION:
144 value = intel_engines_has_context_isolation(i915);
145 break;
146 case I915_PARAM_SLICE_MASK:
147 value = sseu->slice_mask;
148 if (!value)
149 return -ENODEV;
150 break;
151 case I915_PARAM_SUBSLICE_MASK:
152 value = sseu->subslice_mask[0];
153 if (!value)
154 return -ENODEV;
155 break;
156 case I915_PARAM_CS_TIMESTAMP_FREQUENCY:
157 value = RUNTIME_INFO(i915)->cs_timestamp_frequency_hz;
158 break;
159 case I915_PARAM_MMAP_GTT_COHERENT:
160 value = INTEL_INFO(i915)->has_coherent_ggtt;
161 break;
162 case I915_PARAM_PERF_REVISION:
163 value = i915_perf_ioctl_version();
164 break;
165 default:
166 DRM_DEBUG("Unknown parameter %d\n", param->param);
167 return -EINVAL;
168 }
169
170 if (put_user(value, param->value))
171 return -EFAULT;
172
173 return 0;
174}
175
