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f3ba9122 RH |
1 | /* SPDX-License-Identifier: MIT */ |
2 | /* | |
3 | * Copyright © 2014-2018 Broadcom | |
4 | * Copyright © 2019 Collabora ltd. | |
5 | */ | |
6 | #ifndef _PANFROST_DRM_H_ | |
7 | #define _PANFROST_DRM_H_ | |
8 | ||
9 | #include "drm.h" | |
10 | ||
11 | #if defined(__cplusplus) | |
12 | extern "C" { | |
13 | #endif | |
14 | ||
15 | #define DRM_PANFROST_SUBMIT 0x00 | |
16 | #define DRM_PANFROST_WAIT_BO 0x01 | |
17 | #define DRM_PANFROST_CREATE_BO 0x02 | |
18 | #define DRM_PANFROST_MMAP_BO 0x03 | |
19 | #define DRM_PANFROST_GET_PARAM 0x04 | |
20 | #define DRM_PANFROST_GET_BO_OFFSET 0x05 | |
7786fd10 BB |
21 | #define DRM_PANFROST_PERFCNT_ENABLE 0x06 |
22 | #define DRM_PANFROST_PERFCNT_DUMP 0x07 | |
013b6510 | 23 | #define DRM_PANFROST_MADVISE 0x08 |
f3ba9122 RH |
24 | |
25 | #define DRM_IOCTL_PANFROST_SUBMIT DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_SUBMIT, struct drm_panfrost_submit) | |
26 | #define DRM_IOCTL_PANFROST_WAIT_BO DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_WAIT_BO, struct drm_panfrost_wait_bo) | |
27 | #define DRM_IOCTL_PANFROST_CREATE_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_CREATE_BO, struct drm_panfrost_create_bo) | |
28 | #define DRM_IOCTL_PANFROST_MMAP_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MMAP_BO, struct drm_panfrost_mmap_bo) | |
29 | #define DRM_IOCTL_PANFROST_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_PARAM, struct drm_panfrost_get_param) | |
30 | #define DRM_IOCTL_PANFROST_GET_BO_OFFSET DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_GET_BO_OFFSET, struct drm_panfrost_get_bo_offset) | |
013b6510 | 31 | #define DRM_IOCTL_PANFROST_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_PANFROST_MADVISE, struct drm_panfrost_madvise) |
f3ba9122 | 32 | |
7786fd10 BB |
33 | /* |
34 | * Unstable ioctl(s): only exposed when the unsafe unstable_ioctls module | |
35 | * param is set to true. | |
36 | * All these ioctl(s) are subject to deprecation, so please don't rely on | |
37 | * them for anything but debugging purpose. | |
38 | */ | |
39 | #define DRM_IOCTL_PANFROST_PERFCNT_ENABLE DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_PERFCNT_ENABLE, struct drm_panfrost_perfcnt_enable) | |
40 | #define DRM_IOCTL_PANFROST_PERFCNT_DUMP DRM_IOW(DRM_COMMAND_BASE + DRM_PANFROST_PERFCNT_DUMP, struct drm_panfrost_perfcnt_dump) | |
41 | ||
f3ba9122 RH |
42 | #define PANFROST_JD_REQ_FS (1 << 0) |
43 | /** | |
44 | * struct drm_panfrost_submit - ioctl argument for submitting commands to the 3D | |
45 | * engine. | |
46 | * | |
47 | * This asks the kernel to have the GPU execute a render command list. | |
48 | */ | |
49 | struct drm_panfrost_submit { | |
50 | ||
51 | /** Address to GPU mapping of job descriptor */ | |
52 | __u64 jc; | |
53 | ||
54 | /** An optional array of sync objects to wait on before starting this job. */ | |
55 | __u64 in_syncs; | |
56 | ||
57 | /** Number of sync objects to wait on before starting this job. */ | |
58 | __u32 in_sync_count; | |
59 | ||
60 | /** An optional sync object to place the completion fence in. */ | |
61 | __u32 out_sync; | |
62 | ||
63 | /** Pointer to a u32 array of the BOs that are referenced by the job. */ | |
64 | __u64 bo_handles; | |
65 | ||
66 | /** Number of BO handles passed in (size is that times 4). */ | |
67 | __u32 bo_handle_count; | |
68 | ||
69 | /** A combination of PANFROST_JD_REQ_* */ | |
70 | __u32 requirements; | |
71 | }; | |
72 | ||
73 | /** | |
74 | * struct drm_panfrost_wait_bo - ioctl argument for waiting for | |
75 | * completion of the last DRM_PANFROST_SUBMIT on a BO. | |
76 | * | |
77 | * This is useful for cases where multiple processes might be | |
78 | * rendering to a BO and you want to wait for all rendering to be | |
79 | * completed. | |
80 | */ | |
81 | struct drm_panfrost_wait_bo { | |
82 | __u32 handle; | |
83 | __u32 pad; | |
84 | __s64 timeout_ns; /* absolute */ | |
85 | }; | |
86 | ||
a9e4fb51 | 87 | /* Valid flags to pass to drm_panfrost_create_bo */ |
203270c0 | 88 | #define PANFROST_BO_NOEXEC 1 |
187d2929 | 89 | #define PANFROST_BO_HEAP 2 |
203270c0 | 90 | |
f3ba9122 RH |
91 | /** |
92 | * struct drm_panfrost_create_bo - ioctl argument for creating Panfrost BOs. | |
93 | * | |
a9e4fb51 | 94 | * The flags argument is a bit mask of PANFROST_BO_* flags. |
f3ba9122 RH |
95 | */ |
96 | struct drm_panfrost_create_bo { | |
97 | __u32 size; | |
98 | __u32 flags; | |
99 | /** Returned GEM handle for the BO. */ | |
100 | __u32 handle; | |
101 | /* Pad, must be zero-filled. */ | |
102 | __u32 pad; | |
103 | /** | |
104 | * Returned offset for the BO in the GPU address space. This offset | |
105 | * is private to the DRM fd and is valid for the lifetime of the GEM | |
106 | * handle. | |
107 | * | |
108 | * This offset value will always be nonzero, since various HW | |
109 | * units treat 0 specially. | |
110 | */ | |
111 | __u64 offset; | |
112 | }; | |
113 | ||
114 | /** | |
115 | * struct drm_panfrost_mmap_bo - ioctl argument for mapping Panfrost BOs. | |
116 | * | |
117 | * This doesn't actually perform an mmap. Instead, it returns the | |
118 | * offset you need to use in an mmap on the DRM device node. This | |
119 | * means that tools like valgrind end up knowing about the mapped | |
120 | * memory. | |
121 | * | |
122 | * There are currently no values for the flags argument, but it may be | |
123 | * used in a future extension. | |
124 | */ | |
125 | struct drm_panfrost_mmap_bo { | |
126 | /** Handle for the object being mapped. */ | |
127 | __u32 handle; | |
128 | __u32 flags; | |
129 | /** offset into the drm node to use for subsequent mmap call. */ | |
130 | __u64 offset; | |
131 | }; | |
132 | ||
133 | enum drm_panfrost_param { | |
134 | DRM_PANFROST_PARAM_GPU_PROD_ID, | |
4bced8be SP |
135 | DRM_PANFROST_PARAM_GPU_REVISION, |
136 | DRM_PANFROST_PARAM_SHADER_PRESENT, | |
137 | DRM_PANFROST_PARAM_TILER_PRESENT, | |
138 | DRM_PANFROST_PARAM_L2_PRESENT, | |
139 | DRM_PANFROST_PARAM_STACK_PRESENT, | |
140 | DRM_PANFROST_PARAM_AS_PRESENT, | |
141 | DRM_PANFROST_PARAM_JS_PRESENT, | |
142 | DRM_PANFROST_PARAM_L2_FEATURES, | |
143 | DRM_PANFROST_PARAM_CORE_FEATURES, | |
144 | DRM_PANFROST_PARAM_TILER_FEATURES, | |
145 | DRM_PANFROST_PARAM_MEM_FEATURES, | |
146 | DRM_PANFROST_PARAM_MMU_FEATURES, | |
147 | DRM_PANFROST_PARAM_THREAD_FEATURES, | |
148 | DRM_PANFROST_PARAM_MAX_THREADS, | |
149 | DRM_PANFROST_PARAM_THREAD_MAX_WORKGROUP_SZ, | |
150 | DRM_PANFROST_PARAM_THREAD_MAX_BARRIER_SZ, | |
151 | DRM_PANFROST_PARAM_COHERENCY_FEATURES, | |
152 | DRM_PANFROST_PARAM_TEXTURE_FEATURES0, | |
153 | DRM_PANFROST_PARAM_TEXTURE_FEATURES1, | |
154 | DRM_PANFROST_PARAM_TEXTURE_FEATURES2, | |
155 | DRM_PANFROST_PARAM_TEXTURE_FEATURES3, | |
156 | DRM_PANFROST_PARAM_JS_FEATURES0, | |
157 | DRM_PANFROST_PARAM_JS_FEATURES1, | |
158 | DRM_PANFROST_PARAM_JS_FEATURES2, | |
159 | DRM_PANFROST_PARAM_JS_FEATURES3, | |
160 | DRM_PANFROST_PARAM_JS_FEATURES4, | |
161 | DRM_PANFROST_PARAM_JS_FEATURES5, | |
162 | DRM_PANFROST_PARAM_JS_FEATURES6, | |
163 | DRM_PANFROST_PARAM_JS_FEATURES7, | |
164 | DRM_PANFROST_PARAM_JS_FEATURES8, | |
165 | DRM_PANFROST_PARAM_JS_FEATURES9, | |
166 | DRM_PANFROST_PARAM_JS_FEATURES10, | |
167 | DRM_PANFROST_PARAM_JS_FEATURES11, | |
168 | DRM_PANFROST_PARAM_JS_FEATURES12, | |
169 | DRM_PANFROST_PARAM_JS_FEATURES13, | |
170 | DRM_PANFROST_PARAM_JS_FEATURES14, | |
171 | DRM_PANFROST_PARAM_JS_FEATURES15, | |
172 | DRM_PANFROST_PARAM_NR_CORE_GROUPS, | |
173 | DRM_PANFROST_PARAM_THREAD_TLS_ALLOC, | |
3e2926f8 | 174 | DRM_PANFROST_PARAM_AFBC_FEATURES, |
f3ba9122 RH |
175 | }; |
176 | ||
177 | struct drm_panfrost_get_param { | |
178 | __u32 param; | |
179 | __u32 pad; | |
180 | __u64 value; | |
181 | }; | |
182 | ||
183 | /** | |
184 | * Returns the offset for the BO in the GPU address space for this DRM fd. | |
185 | * This is the same value returned by drm_panfrost_create_bo, if that was called | |
186 | * from this DRM fd. | |
187 | */ | |
188 | struct drm_panfrost_get_bo_offset { | |
189 | __u32 handle; | |
190 | __u32 pad; | |
191 | __u64 offset; | |
192 | }; | |
193 | ||
7786fd10 BB |
194 | struct drm_panfrost_perfcnt_enable { |
195 | __u32 enable; | |
196 | /* | |
197 | * On bifrost we have 2 sets of counters, this parameter defines the | |
198 | * one to track. | |
199 | */ | |
200 | __u32 counterset; | |
201 | }; | |
202 | ||
203 | struct drm_panfrost_perfcnt_dump { | |
204 | __u64 buf_ptr; | |
205 | }; | |
206 | ||
013b6510 RH |
207 | /* madvise provides a way to tell the kernel in case a buffers contents |
208 | * can be discarded under memory pressure, which is useful for userspace | |
209 | * bo cache where we want to optimistically hold on to buffer allocate | |
210 | * and potential mmap, but allow the pages to be discarded under memory | |
211 | * pressure. | |
212 | * | |
213 | * Typical usage would involve madvise(DONTNEED) when buffer enters BO | |
214 | * cache, and madvise(WILLNEED) if trying to recycle buffer from BO cache. | |
215 | * In the WILLNEED case, 'retained' indicates to userspace whether the | |
216 | * backing pages still exist. | |
217 | */ | |
218 | #define PANFROST_MADV_WILLNEED 0 /* backing pages are needed, status returned in 'retained' */ | |
219 | #define PANFROST_MADV_DONTNEED 1 /* backing pages not needed */ | |
220 | ||
221 | struct drm_panfrost_madvise { | |
222 | __u32 handle; /* in, GEM handle */ | |
223 | __u32 madv; /* in, PANFROST_MADV_x */ | |
224 | __u32 retained; /* out, whether backing store still exists */ | |
225 | }; | |
226 | ||
730c2bf4 AL |
227 | /* Definitions for coredump decoding in user space */ |
228 | #define PANFROSTDUMP_MAJOR 1 | |
229 | #define PANFROSTDUMP_MINOR 0 | |
230 | ||
231 | #define PANFROSTDUMP_MAGIC 0x464E4150 /* PANF */ | |
232 | ||
233 | #define PANFROSTDUMP_BUF_REG 0 | |
234 | #define PANFROSTDUMP_BUF_BOMAP (PANFROSTDUMP_BUF_REG + 1) | |
235 | #define PANFROSTDUMP_BUF_BO (PANFROSTDUMP_BUF_BOMAP + 1) | |
236 | #define PANFROSTDUMP_BUF_TRAILER (PANFROSTDUMP_BUF_BO + 1) | |
237 | ||
72655fb9 SP |
238 | /* |
239 | * This structure is the native endianness of the dumping machine, tools can | |
240 | * detect the endianness by looking at the value in 'magic'. | |
241 | */ | |
730c2bf4 | 242 | struct panfrost_dump_object_header { |
72655fb9 SP |
243 | __u32 magic; |
244 | __u32 type; | |
245 | __u32 file_size; | |
246 | __u32 file_offset; | |
730c2bf4 AL |
247 | |
248 | union { | |
7228d9d7 | 249 | struct { |
72655fb9 SP |
250 | __u64 jc; |
251 | __u32 gpu_id; | |
252 | __u32 major; | |
253 | __u32 minor; | |
254 | __u64 nbos; | |
730c2bf4 AL |
255 | } reghdr; |
256 | ||
72655fb9 SP |
257 | struct pan_bomap_hdr { |
258 | __u32 valid; | |
259 | __u64 iova; | |
260 | __u32 data[2]; | |
730c2bf4 AL |
261 | } bomap; |
262 | ||
263 | /* | |
264 | * Force same size in case we want to expand the header | |
265 | * with new fields and also keep it 512-byte aligned | |
266 | */ | |
267 | ||
72655fb9 | 268 | __u32 sizer[496]; |
730c2bf4 AL |
269 | }; |
270 | }; | |
271 | ||
272 | /* Registers object, an array of these */ | |
273 | struct panfrost_dump_registers { | |
72655fb9 SP |
274 | __u32 reg; |
275 | __u32 value; | |
730c2bf4 AL |
276 | }; |
277 | ||
f3ba9122 RH |
278 | #if defined(__cplusplus) |
279 | } | |
280 | #endif | |
281 | ||
282 | #endif /* _PANFROST_DRM_H_ */ |