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1/*
2 * SPDX-License-Identifier: MIT
3 */
4
5#include "gt/intel_engine_user.h"
6
7#include "i915_drv.h"
8
9int i915_getparam_ioctl(struct drm_device *dev, void *data,
10 struct drm_file *file_priv)
11{
12 struct drm_i915_private *i915 = to_i915(dev);
13 const struct sseu_dev_info *sseu = &RUNTIME_INFO(i915)->sseu;
14 drm_i915_getparam_t *param = data;
15 int value;
16
17 switch (param->param) {
18 case I915_PARAM_IRQ_ACTIVE:
19 case I915_PARAM_ALLOW_BATCHBUFFER:
20 case I915_PARAM_LAST_DISPATCH:
21 case I915_PARAM_HAS_EXEC_CONSTANTS:
22 /* Reject all old ums/dri params. */
23 return -ENODEV;
24 case I915_PARAM_CHIPSET_ID:
25 value = i915->drm.pdev->device;
26 break;
27 case I915_PARAM_REVISION:
28 value = i915->drm.pdev->revision;
29 break;
30 case I915_PARAM_NUM_FENCES_AVAIL:
31 value = i915->ggtt.num_fences;
32 break;
33 case I915_PARAM_HAS_OVERLAY:
34 value = !!i915->overlay;
35 break;
36 case I915_PARAM_HAS_BSD:
37 value = !!intel_engine_lookup_user(i915,
38 I915_ENGINE_CLASS_VIDEO, 0);
39 break;
40 case I915_PARAM_HAS_BLT:
41 value = !!intel_engine_lookup_user(i915,
42 I915_ENGINE_CLASS_COPY, 0);
43 break;
44 case I915_PARAM_HAS_VEBOX:
45 value = !!intel_engine_lookup_user(i915,
46 I915_ENGINE_CLASS_VIDEO_ENHANCE, 0);
47 break;
48 case I915_PARAM_HAS_BSD2:
49 value = !!intel_engine_lookup_user(i915,
50 I915_ENGINE_CLASS_VIDEO, 1);
51 break;
52 case I915_PARAM_HAS_LLC:
53 value = HAS_LLC(i915);
54 break;
55 case I915_PARAM_HAS_WT:
56 value = HAS_WT(i915);
57 break;
58 case I915_PARAM_HAS_ALIASING_PPGTT:
59 value = INTEL_PPGTT(i915);
60 break;
61 case I915_PARAM_HAS_SEMAPHORES:
62 value = !!(i915->caps.scheduler & I915_SCHEDULER_CAP_SEMAPHORES);
63 break;
64 case I915_PARAM_HAS_SECURE_BATCHES:
65 value = HAS_SECURE_BATCHES(i915) && capable(CAP_SYS_ADMIN);
66 break;
67 case I915_PARAM_CMD_PARSER_VERSION:
68 value = i915_cmd_parser_get_version(i915);
69 break;
70 case I915_PARAM_SUBSLICE_TOTAL:
71 value = intel_sseu_subslice_total(sseu);
72 if (!value)
73 return -ENODEV;
74 break;
75 case I915_PARAM_EU_TOTAL:
76 value = sseu->eu_total;
77 if (!value)
78 return -ENODEV;
79 break;
80 case I915_PARAM_HAS_GPU_RESET:
81 value = i915_modparams.enable_hangcheck &&
82 intel_has_gpu_reset(i915);
83 if (value && intel_has_reset_engine(i915))
84 value = 2;
85 break;
86 case I915_PARAM_HAS_RESOURCE_STREAMER:
87 value = 0;
88 break;
89 case I915_PARAM_HAS_POOLED_EU:
90 value = HAS_POOLED_EU(i915);
91 break;
92 case I915_PARAM_MIN_EU_IN_POOL:
93 value = sseu->min_eu_in_pool;
94 break;
95 case I915_PARAM_HUC_STATUS:
96 value = intel_huc_check_status(&i915->gt.uc.huc);
97 if (value < 0)
98 return value;
99 break;
100 case I915_PARAM_MMAP_GTT_VERSION:
101 /* Though we've started our numbering from 1, and so class all
102 * earlier versions as 0, in effect their value is undefined as
103 * the ioctl will report EINVAL for the unknown param!
104 */
105 value = i915_gem_mmap_gtt_version();
106 break;
107 case I915_PARAM_HAS_SCHEDULER:
108 value = i915->caps.scheduler;
109 break;
110
111 case I915_PARAM_MMAP_VERSION:
112 /* Remember to bump this if the version changes! */
113 case I915_PARAM_HAS_GEM:
114 case I915_PARAM_HAS_PAGEFLIPPING:
115 case I915_PARAM_HAS_EXECBUF2: /* depends on GEM */
116 case I915_PARAM_HAS_RELAXED_FENCING:
117 case I915_PARAM_HAS_COHERENT_RINGS:
118 case I915_PARAM_HAS_RELAXED_DELTA:
119 case I915_PARAM_HAS_GEN7_SOL_RESET:
120 case I915_PARAM_HAS_WAIT_TIMEOUT:
121 case I915_PARAM_HAS_PRIME_VMAP_FLUSH:
122 case I915_PARAM_HAS_PINNED_BATCHES:
123 case I915_PARAM_HAS_EXEC_NO_RELOC:
124 case I915_PARAM_HAS_EXEC_HANDLE_LUT:
125 case I915_PARAM_HAS_COHERENT_PHYS_GTT:
126 case I915_PARAM_HAS_EXEC_SOFTPIN:
127 case I915_PARAM_HAS_EXEC_ASYNC:
128 case I915_PARAM_HAS_EXEC_FENCE:
129 case I915_PARAM_HAS_EXEC_CAPTURE:
130 case I915_PARAM_HAS_EXEC_BATCH_FIRST:
131 case I915_PARAM_HAS_EXEC_FENCE_ARRAY:
132 case I915_PARAM_HAS_EXEC_SUBMIT_FENCE:
133 /* For the time being all of these are always true;
134 * if some supported hardware does not have one of these
135 * features this value needs to be provided from
136 * INTEL_INFO(), a feature macro, or similar.
137 */
138 value = 1;
139 break;
140 case I915_PARAM_HAS_CONTEXT_ISOLATION:
141 value = intel_engines_has_context_isolation(i915);
142 break;
143 case I915_PARAM_SLICE_MASK:
144 value = sseu->slice_mask;
145 if (!value)
146 return -ENODEV;
147 break;
148 case I915_PARAM_SUBSLICE_MASK:
149 value = sseu->subslice_mask[0];
150 if (!value)
151 return -ENODEV;
152 break;
153 case I915_PARAM_CS_TIMESTAMP_FREQUENCY:
154 value = 1000 * RUNTIME_INFO(i915)->cs_timestamp_frequency_khz;
155 break;
156 case I915_PARAM_MMAP_GTT_COHERENT:
157 value = INTEL_INFO(i915)->has_coherent_ggtt;
158 break;
159 default:
160 DRM_DEBUG("Unknown parameter %d\n", param->param);
161 return -EINVAL;
162 }
163
164 if (put_user(value, param->value))
165 return -EFAULT;
166
167 return 0;
168}
1/*
2 * SPDX-License-Identifier: MIT
3 */
4
5#include "gem/i915_gem_mman.h"
6#include "gt/intel_engine_user.h"
7
8#include "pxp/intel_pxp.h"
9
10#include "i915_cmd_parser.h"
11#include "i915_drv.h"
12#include "i915_getparam.h"
13#include "i915_perf.h"
14
15int i915_getparam_ioctl(struct drm_device *dev, void *data,
16 struct drm_file *file_priv)
17{
18 struct drm_i915_private *i915 = to_i915(dev);
19 struct pci_dev *pdev = to_pci_dev(dev->dev);
20 const struct sseu_dev_info *sseu = &to_gt(i915)->info.sseu;
21 drm_i915_getparam_t *param = data;
22 int value = 0;
23
24 switch (param->param) {
25 case I915_PARAM_IRQ_ACTIVE:
26 case I915_PARAM_ALLOW_BATCHBUFFER:
27 case I915_PARAM_LAST_DISPATCH:
28 case I915_PARAM_HAS_EXEC_CONSTANTS:
29 /* Reject all old ums/dri params. */
30 return -ENODEV;
31 case I915_PARAM_CHIPSET_ID:
32 value = pdev->device;
33 break;
34 case I915_PARAM_REVISION:
35 value = pdev->revision;
36 break;
37 case I915_PARAM_NUM_FENCES_AVAIL:
38 value = to_gt(i915)->ggtt->num_fences;
39 break;
40 case I915_PARAM_HAS_OVERLAY:
41 value = !!i915->display.overlay;
42 break;
43 case I915_PARAM_HAS_BSD:
44 value = !!intel_engine_lookup_user(i915,
45 I915_ENGINE_CLASS_VIDEO, 0);
46 break;
47 case I915_PARAM_HAS_BLT:
48 value = !!intel_engine_lookup_user(i915,
49 I915_ENGINE_CLASS_COPY, 0);
50 break;
51 case I915_PARAM_HAS_VEBOX:
52 value = !!intel_engine_lookup_user(i915,
53 I915_ENGINE_CLASS_VIDEO_ENHANCE, 0);
54 break;
55 case I915_PARAM_HAS_BSD2:
56 value = !!intel_engine_lookup_user(i915,
57 I915_ENGINE_CLASS_VIDEO, 1);
58 break;
59 case I915_PARAM_HAS_LLC:
60 value = HAS_LLC(i915);
61 break;
62 case I915_PARAM_HAS_WT:
63 value = HAS_WT(i915);
64 break;
65 case I915_PARAM_HAS_ALIASING_PPGTT:
66 value = INTEL_PPGTT(i915);
67 break;
68 case I915_PARAM_HAS_SEMAPHORES:
69 value = !!(i915->caps.scheduler & I915_SCHEDULER_CAP_SEMAPHORES);
70 break;
71 case I915_PARAM_HAS_SECURE_BATCHES:
72 value = HAS_SECURE_BATCHES(i915) && capable(CAP_SYS_ADMIN);
73 break;
74 case I915_PARAM_CMD_PARSER_VERSION:
75 value = i915_cmd_parser_get_version(i915);
76 break;
77 case I915_PARAM_SUBSLICE_TOTAL:
78 value = intel_sseu_subslice_total(sseu);
79 if (!value)
80 return -ENODEV;
81 break;
82 case I915_PARAM_EU_TOTAL:
83 value = sseu->eu_total;
84 if (!value)
85 return -ENODEV;
86 break;
87 case I915_PARAM_HAS_GPU_RESET:
88 value = i915->params.enable_hangcheck &&
89 intel_has_gpu_reset(to_gt(i915));
90 if (value && intel_has_reset_engine(to_gt(i915)))
91 value = 2;
92 break;
93 case I915_PARAM_HAS_RESOURCE_STREAMER:
94 value = 0;
95 break;
96 case I915_PARAM_HAS_POOLED_EU:
97 value = HAS_POOLED_EU(i915);
98 break;
99 case I915_PARAM_MIN_EU_IN_POOL:
100 value = sseu->min_eu_in_pool;
101 break;
102 case I915_PARAM_HUC_STATUS:
103 /* On platform with a media GT, the HuC is on that GT */
104 if (i915->media_gt)
105 value = intel_huc_check_status(&i915->media_gt->uc.huc);
106 else
107 value = intel_huc_check_status(&to_gt(i915)->uc.huc);
108 if (value < 0)
109 return value;
110 break;
111 case I915_PARAM_PXP_STATUS:
112 value = intel_pxp_get_readiness_status(i915->pxp, 0);
113 if (value < 0)
114 return value;
115 break;
116 case I915_PARAM_MMAP_GTT_VERSION:
117 /* Though we've started our numbering from 1, and so class all
118 * earlier versions as 0, in effect their value is undefined as
119 * the ioctl will report EINVAL for the unknown param!
120 */
121 value = i915_gem_mmap_gtt_version();
122 break;
123 case I915_PARAM_HAS_SCHEDULER:
124 value = i915->caps.scheduler;
125 break;
126
127 case I915_PARAM_MMAP_VERSION:
128 /* Remember to bump this if the version changes! */
129 case I915_PARAM_HAS_GEM:
130 case I915_PARAM_HAS_PAGEFLIPPING:
131 case I915_PARAM_HAS_EXECBUF2: /* depends on GEM */
132 case I915_PARAM_HAS_RELAXED_FENCING:
133 case I915_PARAM_HAS_COHERENT_RINGS:
134 case I915_PARAM_HAS_RELAXED_DELTA:
135 case I915_PARAM_HAS_GEN7_SOL_RESET:
136 case I915_PARAM_HAS_WAIT_TIMEOUT:
137 case I915_PARAM_HAS_PRIME_VMAP_FLUSH:
138 case I915_PARAM_HAS_PINNED_BATCHES:
139 case I915_PARAM_HAS_EXEC_NO_RELOC:
140 case I915_PARAM_HAS_EXEC_HANDLE_LUT:
141 case I915_PARAM_HAS_COHERENT_PHYS_GTT:
142 case I915_PARAM_HAS_EXEC_SOFTPIN:
143 case I915_PARAM_HAS_EXEC_ASYNC:
144 case I915_PARAM_HAS_EXEC_FENCE:
145 case I915_PARAM_HAS_EXEC_CAPTURE:
146 case I915_PARAM_HAS_EXEC_BATCH_FIRST:
147 case I915_PARAM_HAS_EXEC_FENCE_ARRAY:
148 case I915_PARAM_HAS_EXEC_SUBMIT_FENCE:
149 case I915_PARAM_HAS_EXEC_TIMELINE_FENCES:
150 case I915_PARAM_HAS_USERPTR_PROBE:
151 /* For the time being all of these are always true;
152 * if some supported hardware does not have one of these
153 * features this value needs to be provided from
154 * INTEL_INFO(), a feature macro, or similar.
155 */
156 value = 1;
157 break;
158 case I915_PARAM_HAS_CONTEXT_ISOLATION:
159 value = intel_engines_has_context_isolation(i915);
160 break;
161 case I915_PARAM_SLICE_MASK:
162 /* Not supported from Xe_HP onward; use topology queries */
163 if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50))
164 return -EINVAL;
165
166 value = sseu->slice_mask;
167 if (!value)
168 return -ENODEV;
169 break;
170 case I915_PARAM_SUBSLICE_MASK:
171 /* Not supported from Xe_HP onward; use topology queries */
172 if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50))
173 return -EINVAL;
174
175 /* Only copy bits from the first slice */
176 value = intel_sseu_get_hsw_subslices(sseu, 0);
177 if (!value)
178 return -ENODEV;
179 break;
180 case I915_PARAM_CS_TIMESTAMP_FREQUENCY:
181 value = to_gt(i915)->clock_frequency;
182 break;
183 case I915_PARAM_MMAP_GTT_COHERENT:
184 value = INTEL_INFO(i915)->has_coherent_ggtt;
185 break;
186 case I915_PARAM_PERF_REVISION:
187 value = i915_perf_ioctl_version(i915);
188 break;
189 case I915_PARAM_OA_TIMESTAMP_FREQUENCY:
190 value = i915_perf_oa_timestamp_frequency(i915);
191 break;
192 default:
193 drm_dbg(&i915->drm, "Unknown parameter %d\n", param->param);
194 return -EINVAL;
195 }
196
197 if (put_user(value, param->value))
198 return -EFAULT;
199
200 return 0;
201}