xref: /linux/include/uapi/drm/msm_drm.h (revision 4a57e0913e8c7fff407e97909f4ae48caa84d612)
1 /*
2  * Copyright (C) 2013 Red Hat
3  * Author: Rob Clark <robdclark@gmail.com>
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the next
13  * paragraph) shall be included in all copies or substantial portions of the
14  * Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 
25 #ifndef __MSM_DRM_H__
26 #define __MSM_DRM_H__
27 
28 #include "drm.h"
29 
30 #if defined(__cplusplus)
31 extern "C" {
32 #endif
33 
34 /* Please note that modifications to all structs defined here are
35  * subject to backwards-compatibility constraints:
36  *  1) Do not use pointers, use __u64 instead for 32 bit / 64 bit
37  *     user/kernel compatibility
38  *  2) Keep fields aligned to their size
39  *  3) Because of how drm_ioctl() works, we can add new fields at
40  *     the end of an ioctl if some care is taken: drm_ioctl() will
41  *     zero out the new fields at the tail of the ioctl, so a zero
42  *     value should have a backwards compatible meaning.  And for
43  *     output params, userspace won't see the newly added output
44  *     fields.. so that has to be somehow ok.
45  */
46 
47 #define MSM_PIPE_NONE        0x00
48 #define MSM_PIPE_2D0         0x01
49 #define MSM_PIPE_2D1         0x02
50 #define MSM_PIPE_3D0         0x10
51 
52 /* The pipe-id just uses the lower bits, so can be OR'd with flags in
53  * the upper 16 bits (which could be extended further, if needed, maybe
54  * we extend/overload the pipe-id some day to deal with multiple rings,
55  * but even then I don't think we need the full lower 16 bits).
56  */
57 #define MSM_PIPE_ID_MASK     0xffff
58 #define MSM_PIPE_ID(x)       ((x) & MSM_PIPE_ID_MASK)
59 #define MSM_PIPE_FLAGS(x)    ((x) & ~MSM_PIPE_ID_MASK)
60 
61 /* timeouts are specified in clock-monotonic absolute times (to simplify
62  * restarting interrupted ioctls).  The following struct is logically the
63  * same as 'struct timespec' but 32/64b ABI safe.
64  */
65 struct drm_msm_timespec {
66 	__s64 tv_sec;          /* seconds */
67 	__s64 tv_nsec;         /* nanoseconds */
68 };
69 
70 /* Below "RO" indicates a read-only param, "WO" indicates write-only, and
71  * "RW" indicates a param that can be both read (GET_PARAM) and written
72  * (SET_PARAM)
73  */
74 #define MSM_PARAM_GPU_ID     0x01  /* RO */
75 #define MSM_PARAM_GMEM_SIZE  0x02  /* RO */
76 #define MSM_PARAM_CHIP_ID    0x03  /* RO */
77 #define MSM_PARAM_MAX_FREQ   0x04  /* RO */
78 #define MSM_PARAM_TIMESTAMP  0x05  /* RO */
79 #define MSM_PARAM_GMEM_BASE  0x06  /* RO */
80 #define MSM_PARAM_PRIORITIES 0x07  /* RO: The # of priority levels */
81 #define MSM_PARAM_PP_PGTABLE 0x08  /* RO: Deprecated, always returns zero */
82 #define MSM_PARAM_FAULTS     0x09  /* RO */
83 #define MSM_PARAM_SUSPENDS   0x0a  /* RO */
84 #define MSM_PARAM_SYSPROF    0x0b  /* WO: 1 preserves perfcntrs, 2 also disables suspend */
85 #define MSM_PARAM_COMM       0x0c  /* WO: override for task->comm */
86 #define MSM_PARAM_CMDLINE    0x0d  /* WO: override for task cmdline */
87 #define MSM_PARAM_VA_START   0x0e  /* RO: start of valid GPU iova range */
88 #define MSM_PARAM_VA_SIZE    0x0f  /* RO: size of valid GPU iova range (bytes) */
89 #define MSM_PARAM_HIGHEST_BANK_BIT 0x10 /* RO */
90 #define MSM_PARAM_RAYTRACING 0x11 /* RO */
91 #define MSM_PARAM_UBWC_SWIZZLE 0x12 /* RO */
92 #define MSM_PARAM_MACROTILE_MODE 0x13 /* RO */
93 #define MSM_PARAM_UCHE_TRAP_BASE 0x14 /* RO */
94 /* PRR (Partially Resident Region) is required for sparse residency: */
95 #define MSM_PARAM_HAS_PRR    0x15  /* RO */
96 /* MSM_PARAM_EN_VM_BIND is set to 1 to enable VM_BIND ops.
97  *
98  * With VM_BIND enabled, userspace is required to allocate iova and use the
99  * VM_BIND ops for map/unmap ioctls.  MSM_INFO_SET_IOVA and MSM_INFO_GET_IOVA
100  * will be rejected.  (The latter does not have a sensible meaning when a BO
101  * can have multiple and/or partial mappings.)
102  *
103  * With VM_BIND enabled, userspace does not include a submit_bo table in the
104  * SUBMIT ioctl (this will be rejected), the resident set is determined by
105  * the the VM_BIND ops.
106  *
107  * Enabling VM_BIND will fail on devices which do not have per-process pgtables.
108  * And it is not allowed to disable VM_BIND once it has been enabled.
109  *
110  * Enabling VM_BIND should be done (attempted) prior to allocating any BOs or
111  * submitqueues of type MSM_SUBMITQUEUE_VM_BIND.
112  *
113  * Relatedly, when VM_BIND mode is enabled, the kernel will not try to recover
114  * from GPU faults or failed async VM_BIND ops, in particular because it is
115  * difficult to communicate to userspace which op failed so that userspace
116  * could rewind and try again.  When the VM is marked unusable, the SUBMIT
117  * ioctl will throw -EPIPE.
118  */
119 #define MSM_PARAM_EN_VM_BIND 0x16  /* WO, once */
120 #define MSM_PARAM_AQE	     0x17  /* RO */
121 
122 /* For backwards compat.  The original support for preemption was based on
123  * a single ring per priority level so # of priority levels equals the #
124  * of rings.  With drm/scheduler providing additional levels of priority,
125  * the number of priorities is greater than the # of rings.  The param is
126  * renamed to better reflect this.
127  */
128 #define MSM_PARAM_NR_RINGS   MSM_PARAM_PRIORITIES
129 
130 struct drm_msm_param {
131 	__u32 pipe;           /* in, MSM_PIPE_x */
132 	__u32 param;          /* in, MSM_PARAM_x */
133 	__u64 value;          /* out (get_param) or in (set_param) */
134 	__u32 len;            /* zero for non-pointer params */
135 	__u32 pad;            /* must be zero */
136 };
137 
138 /*
139  * GEM buffers:
140  */
141 
142 #define MSM_BO_SCANOUT       0x00000001     /* scanout capable */
143 #define MSM_BO_GPU_READONLY  0x00000002
144 /* Private buffers do not need to be explicitly listed in the SUBMIT
145  * ioctl, unless referenced by a drm_msm_gem_submit_cmd.  Private
146  * buffers may NOT be imported/exported or used for scanout (or any
147  * other situation where buffers can be indefinitely pinned, but
148  * cases other than scanout are all kernel owned BOs which are not
149  * visible to userspace).
150  *
151  * In exchange for those constraints, all private BOs associated with
152  * a single context (drm_file) share a single dma_resv, and if there
153  * has been no eviction since the last submit, there are no per-BO
154  * bookeeping to do, significantly cutting the SUBMIT overhead.
155  */
156 #define MSM_BO_NO_SHARE      0x00000004
157 #define MSM_BO_CACHE_MASK    0x000f0000
158 /* cache modes */
159 #define MSM_BO_CACHED        0x00010000
160 #define MSM_BO_WC            0x00020000
161 #define MSM_BO_UNCACHED      0x00040000 /* deprecated, use MSM_BO_WC */
162 #define MSM_BO_CACHED_COHERENT 0x080000
163 
164 #define MSM_BO_FLAGS         (MSM_BO_SCANOUT | \
165                               MSM_BO_GPU_READONLY | \
166                               MSM_BO_NO_SHARE | \
167                               MSM_BO_CACHE_MASK)
168 
169 struct drm_msm_gem_new {
170 	__u64 size;           /* in */
171 	__u32 flags;          /* in, mask of MSM_BO_x */
172 	__u32 handle;         /* out */
173 };
174 
175 /* Get or set GEM buffer info.  The requested value can be passed
176  * directly in 'value', or for data larger than 64b 'value' is a
177  * pointer to userspace buffer, with 'len' specifying the number of
178  * bytes copied into that buffer.  For info returned by pointer,
179  * calling the GEM_INFO ioctl with null 'value' will return the
180  * required buffer size in 'len'
181  */
182 #define MSM_INFO_GET_OFFSET	0x00   /* get mmap() offset, returned by value */
183 #define MSM_INFO_GET_IOVA	0x01   /* get iova, returned by value */
184 #define MSM_INFO_SET_NAME	0x02   /* set the debug name (by pointer) */
185 #define MSM_INFO_GET_NAME	0x03   /* get debug name, returned by pointer */
186 #define MSM_INFO_SET_IOVA	0x04   /* set the iova, passed by value */
187 #define MSM_INFO_GET_FLAGS	0x05   /* get the MSM_BO_x flags */
188 #define MSM_INFO_SET_METADATA	0x06   /* set userspace metadata */
189 #define MSM_INFO_GET_METADATA	0x07   /* get userspace metadata */
190 
191 struct drm_msm_gem_info {
192 	__u32 handle;         /* in */
193 	__u32 info;           /* in - one of MSM_INFO_* */
194 	__u64 value;          /* in or out */
195 	__u32 len;            /* in or out */
196 	__u32 pad;
197 };
198 
199 #define MSM_PREP_READ        0x01
200 #define MSM_PREP_WRITE       0x02
201 #define MSM_PREP_NOSYNC      0x04
202 #define MSM_PREP_BOOST       0x08
203 
204 #define MSM_PREP_FLAGS       (MSM_PREP_READ | \
205 			      MSM_PREP_WRITE | \
206 			      MSM_PREP_NOSYNC | \
207 			      MSM_PREP_BOOST | \
208 			      0)
209 
210 struct drm_msm_gem_cpu_prep {
211 	__u32 handle;         /* in */
212 	__u32 op;             /* in, mask of MSM_PREP_x */
213 	struct drm_msm_timespec timeout;   /* in */
214 };
215 
216 struct drm_msm_gem_cpu_fini {
217 	__u32 handle;         /* in */
218 };
219 
220 /*
221  * Cmdstream Submission:
222  */
223 
224 #define MSM_SYNCOBJ_RESET 0x00000001 /* Reset syncobj after wait. */
225 #define MSM_SYNCOBJ_FLAGS ( \
226 		MSM_SYNCOBJ_RESET | \
227 		0)
228 
229 struct drm_msm_syncobj {
230 	__u32 handle;     /* in, syncobj handle. */
231 	__u32 flags;      /* in, from MSM_SUBMIT_SYNCOBJ_FLAGS */
232 	__u64 point;      /* in, timepoint for timeline syncobjs. */
233 };
234 
235 /* The value written into the cmdstream is logically:
236  *
237  *   ((relocbuf->gpuaddr + reloc_offset) << shift) | or
238  *
239  * When we have GPU's w/ >32bit ptrs, it should be possible to deal
240  * with this by emit'ing two reloc entries with appropriate shift
241  * values.  Or a new MSM_SUBMIT_CMD_x type would also be an option.
242  *
243  * NOTE that reloc's must be sorted by order of increasing submit_offset,
244  * otherwise EINVAL.
245  */
246 struct drm_msm_gem_submit_reloc {
247 	__u32 submit_offset;  /* in, offset from submit_bo */
248 #ifdef __cplusplus
249 	__u32 _or;            /* in, value OR'd with result */
250 #else
251 	__u32 or;             /* in, value OR'd with result */
252 #endif
253 	__s32 shift;          /* in, amount of left shift (can be negative) */
254 	__u32 reloc_idx;      /* in, index of reloc_bo buffer */
255 	__u64 reloc_offset;   /* in, offset from start of reloc_bo */
256 };
257 
258 /* submit-types:
259  *   BUF - this cmd buffer is executed normally.
260  *   IB_TARGET_BUF - this cmd buffer is an IB target.  Reloc's are
261  *      processed normally, but the kernel does not setup an IB to
262  *      this buffer in the first-level ringbuffer
263  *   CTX_RESTORE_BUF - only executed if there has been a GPU context
264  *      switch since the last SUBMIT ioctl
265  */
266 #define MSM_SUBMIT_CMD_BUF             0x0001
267 #define MSM_SUBMIT_CMD_IB_TARGET_BUF   0x0002
268 #define MSM_SUBMIT_CMD_CTX_RESTORE_BUF 0x0003
269 struct drm_msm_gem_submit_cmd {
270 	__u32 type;           /* in, one of MSM_SUBMIT_CMD_x */
271 	__u32 submit_idx;     /* in, index of submit_bo cmdstream buffer */
272 	__u32 submit_offset;  /* in, offset into submit_bo */
273 	__u32 size;           /* in, cmdstream size */
274 	__u32 pad;
275 	__u32 nr_relocs;      /* in, number of submit_reloc's */
276 	union {
277 		__u64 relocs; /* in, ptr to array of submit_reloc's */
278 		__u64 iova;   /* cmdstream address (for VM_BIND contexts) */
279 	};
280 };
281 
282 /* Each buffer referenced elsewhere in the cmdstream submit (ie. the
283  * cmdstream buffer(s) themselves or reloc entries) has one (and only
284  * one) entry in the submit->bos[] table.
285  *
286  * As a optimization, the current buffer (gpu virtual address) can be
287  * passed back through the 'presumed' field.  If on a subsequent reloc,
288  * userspace passes back a 'presumed' address that is still valid,
289  * then patching the cmdstream for this entry is skipped.  This can
290  * avoid kernel needing to map/access the cmdstream bo in the common
291  * case.
292  */
293 #define MSM_SUBMIT_BO_READ             0x0001
294 #define MSM_SUBMIT_BO_WRITE            0x0002
295 #define MSM_SUBMIT_BO_DUMP             0x0004
296 #define MSM_SUBMIT_BO_NO_IMPLICIT      0x0008
297 
298 #define MSM_SUBMIT_BO_FLAGS            (MSM_SUBMIT_BO_READ | \
299 					MSM_SUBMIT_BO_WRITE | \
300 					MSM_SUBMIT_BO_DUMP | \
301 					MSM_SUBMIT_BO_NO_IMPLICIT)
302 
303 struct drm_msm_gem_submit_bo {
304 	__u32 flags;          /* in, mask of MSM_SUBMIT_BO_x */
305 	__u32 handle;         /* in, GEM handle */
306 	__u64 presumed;       /* in/out, presumed buffer address */
307 };
308 
309 /* Valid submit ioctl flags: */
310 #define MSM_SUBMIT_NO_IMPLICIT   0x80000000 /* disable implicit sync */
311 #define MSM_SUBMIT_FENCE_FD_IN   0x40000000 /* enable input fence_fd */
312 #define MSM_SUBMIT_FENCE_FD_OUT  0x20000000 /* enable output fence_fd */
313 #define MSM_SUBMIT_SUDO          0x10000000 /* run submitted cmds from RB */
314 #define MSM_SUBMIT_SYNCOBJ_IN    0x08000000 /* enable input syncobj */
315 #define MSM_SUBMIT_SYNCOBJ_OUT   0x04000000 /* enable output syncobj */
316 #define MSM_SUBMIT_FENCE_SN_IN   0x02000000 /* userspace passes in seqno fence */
317 #define MSM_SUBMIT_FLAGS                ( \
318 		MSM_SUBMIT_NO_IMPLICIT   | \
319 		MSM_SUBMIT_FENCE_FD_IN   | \
320 		MSM_SUBMIT_FENCE_FD_OUT  | \
321 		MSM_SUBMIT_SUDO          | \
322 		MSM_SUBMIT_SYNCOBJ_IN    | \
323 		MSM_SUBMIT_SYNCOBJ_OUT   | \
324 		MSM_SUBMIT_FENCE_SN_IN   | \
325 		0)
326 
327 /* Each cmdstream submit consists of a table of buffers involved, and
328  * one or more cmdstream buffers.  This allows for conditional execution
329  * (context-restore), and IB buffers needed for per tile/bin draw cmds.
330  */
331 struct drm_msm_gem_submit {
332 	__u32 flags;          /* MSM_PIPE_x | MSM_SUBMIT_x */
333 	__u32 fence;          /* out (or in with MSM_SUBMIT_FENCE_SN_IN flag) */
334 	__u32 nr_bos;         /* in, number of submit_bo's */
335 	__u32 nr_cmds;        /* in, number of submit_cmd's */
336 	__u64 bos;            /* in, ptr to array of submit_bo's */
337 	__u64 cmds;           /* in, ptr to array of submit_cmd's */
338 	__s32 fence_fd;       /* in/out fence fd (see MSM_SUBMIT_FENCE_FD_IN/OUT) */
339 	__u32 queueid;        /* in, submitqueue id */
340 	__u64 in_syncobjs;    /* in, ptr to array of drm_msm_syncobj */
341 	__u64 out_syncobjs;   /* in, ptr to array of drm_msm_syncobj */
342 	__u32 nr_in_syncobjs; /* in, number of entries in in_syncobj */
343 	__u32 nr_out_syncobjs; /* in, number of entries in out_syncobj. */
344 	__u32 syncobj_stride; /* in, stride of syncobj arrays. */
345 	__u32 pad;            /*in, reserved for future use, always 0. */
346 };
347 
348 #define MSM_VM_BIND_OP_UNMAP	0
349 #define MSM_VM_BIND_OP_MAP	1
350 #define MSM_VM_BIND_OP_MAP_NULL	2
351 
352 #define MSM_VM_BIND_OP_DUMP	1
353 #define MSM_VM_BIND_OP_FLAGS ( \
354 		MSM_VM_BIND_OP_DUMP | \
355 		0)
356 
357 /**
358  * struct drm_msm_vm_bind_op - bind/unbind op to run
359  */
360 struct drm_msm_vm_bind_op {
361 	/** @op: one of MSM_VM_BIND_OP_x */
362 	__u32 op;
363 	/** @handle: GEM object handle, MBZ for UNMAP or MAP_NULL */
364 	__u32 handle;
365 	/** @obj_offset: Offset into GEM object, MBZ for UNMAP or MAP_NULL */
366 	__u64 obj_offset;
367 	/** @iova: Address to operate on */
368 	__u64 iova;
369 	/** @range: Number of bites to to map/unmap */
370 	__u64 range;
371 	/** @flags: Bitmask of MSM_VM_BIND_OP_FLAG_x */
372 	__u32 flags;
373 	/** @pad: MBZ */
374 	__u32 pad;
375 };
376 
377 #define MSM_VM_BIND_FENCE_FD_IN		0x00000001
378 #define MSM_VM_BIND_FENCE_FD_OUT	0x00000002
379 #define MSM_VM_BIND_FLAGS ( \
380 		MSM_VM_BIND_FENCE_FD_IN | \
381 		MSM_VM_BIND_FENCE_FD_OUT | \
382 		0)
383 
384 /**
385  * struct drm_msm_vm_bind - Input of &DRM_IOCTL_MSM_VM_BIND
386  */
387 struct drm_msm_vm_bind {
388 	/** @flags: in, bitmask of MSM_VM_BIND_x */
389 	__u32 flags;
390 	/** @nr_ops: the number of bind ops in this ioctl */
391 	__u32 nr_ops;
392 	/** @fence_fd: in/out fence fd (see MSM_VM_BIND_FENCE_FD_IN/OUT) */
393 	__s32 fence_fd;
394 	/** @queue_id: in, submitqueue id */
395 	__u32 queue_id;
396 	/** @in_syncobjs: in, ptr to array of drm_msm_gem_syncobj */
397 	__u64 in_syncobjs;
398 	/** @out_syncobjs: in, ptr to array of drm_msm_gem_syncobj */
399 	__u64 out_syncobjs;
400 	/** @nr_in_syncobjs: in, number of entries in in_syncobj */
401 	__u32 nr_in_syncobjs;
402 	/** @nr_out_syncobjs: in, number of entries in out_syncobj */
403 	__u32 nr_out_syncobjs;
404 	/** @syncobj_stride: in, stride of syncobj arrays */
405 	__u32 syncobj_stride;
406 	/** @op_stride: sizeof each struct drm_msm_vm_bind_op in @ops */
407 	__u32 op_stride;
408 	union {
409 		/** @op: used if num_ops == 1 */
410 		struct drm_msm_vm_bind_op op;
411 		/** @ops: userptr to array of drm_msm_vm_bind_op if num_ops > 1 */
412 		__u64 ops;
413 	};
414 };
415 
416 #define MSM_WAIT_FENCE_BOOST	0x00000001
417 #define MSM_WAIT_FENCE_FLAGS	( \
418 		MSM_WAIT_FENCE_BOOST | \
419 		0)
420 
421 /* The normal way to synchronize with the GPU is just to CPU_PREP on
422  * a buffer if you need to access it from the CPU (other cmdstream
423  * submission from same or other contexts, PAGE_FLIP ioctl, etc, all
424  * handle the required synchronization under the hood).  This ioctl
425  * mainly just exists as a way to implement the gallium pipe_fence
426  * APIs without requiring a dummy bo to synchronize on.
427  */
428 struct drm_msm_wait_fence {
429 	__u32 fence;          /* in */
430 	__u32 flags;          /* in, bitmask of MSM_WAIT_FENCE_x */
431 	struct drm_msm_timespec timeout;   /* in */
432 	__u32 queueid;         /* in, submitqueue id */
433 };
434 
435 /* madvise provides a way to tell the kernel in case a buffers contents
436  * can be discarded under memory pressure, which is useful for userspace
437  * bo cache where we want to optimistically hold on to buffer allocate
438  * and potential mmap, but allow the pages to be discarded under memory
439  * pressure.
440  *
441  * Typical usage would involve madvise(DONTNEED) when buffer enters BO
442  * cache, and madvise(WILLNEED) if trying to recycle buffer from BO cache.
443  * In the WILLNEED case, 'retained' indicates to userspace whether the
444  * backing pages still exist.
445  */
446 #define MSM_MADV_WILLNEED 0       /* backing pages are needed, status returned in 'retained' */
447 #define MSM_MADV_DONTNEED 1       /* backing pages not needed */
448 #define __MSM_MADV_PURGED 2       /* internal state */
449 
450 struct drm_msm_gem_madvise {
451 	__u32 handle;         /* in, GEM handle */
452 	__u32 madv;           /* in, MSM_MADV_x */
453 	__u32 retained;       /* out, whether backing store still exists */
454 };
455 
456 /*
457  * Draw queues allow the user to set specific submission parameter. Command
458  * submissions specify a specific submitqueue to use.  ID 0 is reserved for
459  * backwards compatibility as a "default" submitqueue.
460  *
461  * Because VM_BIND async updates happen on the CPU, they must run on a
462  * virtual queue created with the flag MSM_SUBMITQUEUE_VM_BIND.  If we had
463  * a way to do pgtable updates on the GPU, we could drop this restriction.
464  */
465 
466 #define MSM_SUBMITQUEUE_ALLOW_PREEMPT	0x00000001
467 #define MSM_SUBMITQUEUE_VM_BIND	0x00000002  /* virtual queue for VM_BIND ops */
468 
469 #define MSM_SUBMITQUEUE_FLAGS		    ( \
470 		MSM_SUBMITQUEUE_ALLOW_PREEMPT | \
471 		MSM_SUBMITQUEUE_VM_BIND | \
472 		0)
473 
474 /*
475  * The submitqueue priority should be between 0 and MSM_PARAM_PRIORITIES-1,
476  * a lower numeric value is higher priority.
477  */
478 struct drm_msm_submitqueue {
479 	__u32 flags;   /* in, MSM_SUBMITQUEUE_x */
480 	__u32 prio;    /* in, Priority level */
481 	__u32 id;      /* out, identifier */
482 };
483 
484 #define MSM_SUBMITQUEUE_PARAM_FAULTS   0
485 
486 struct drm_msm_submitqueue_query {
487 	__u64 data;
488 	__u32 id;
489 	__u32 param;
490 	__u32 len;
491 	__u32 pad;
492 };
493 
494 #define DRM_MSM_GET_PARAM              0x00
495 #define DRM_MSM_SET_PARAM              0x01
496 #define DRM_MSM_GEM_NEW                0x02
497 #define DRM_MSM_GEM_INFO               0x03
498 #define DRM_MSM_GEM_CPU_PREP           0x04
499 #define DRM_MSM_GEM_CPU_FINI           0x05
500 #define DRM_MSM_GEM_SUBMIT             0x06
501 #define DRM_MSM_WAIT_FENCE             0x07
502 #define DRM_MSM_GEM_MADVISE            0x08
503 /* placeholder:
504 #define DRM_MSM_GEM_SVM_NEW            0x09
505  */
506 #define DRM_MSM_SUBMITQUEUE_NEW        0x0A
507 #define DRM_MSM_SUBMITQUEUE_CLOSE      0x0B
508 #define DRM_MSM_SUBMITQUEUE_QUERY      0x0C
509 #define DRM_MSM_VM_BIND                0x0D
510 
511 #define DRM_IOCTL_MSM_GET_PARAM        DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GET_PARAM, struct drm_msm_param)
512 #define DRM_IOCTL_MSM_SET_PARAM        DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SET_PARAM, struct drm_msm_param)
513 #define DRM_IOCTL_MSM_GEM_NEW          DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_NEW, struct drm_msm_gem_new)
514 #define DRM_IOCTL_MSM_GEM_INFO         DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_INFO, struct drm_msm_gem_info)
515 #define DRM_IOCTL_MSM_GEM_CPU_PREP     DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_GEM_CPU_PREP, struct drm_msm_gem_cpu_prep)
516 #define DRM_IOCTL_MSM_GEM_CPU_FINI     DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_GEM_CPU_FINI, struct drm_msm_gem_cpu_fini)
517 #define DRM_IOCTL_MSM_GEM_SUBMIT       DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_SUBMIT, struct drm_msm_gem_submit)
518 #define DRM_IOCTL_MSM_WAIT_FENCE       DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_WAIT_FENCE, struct drm_msm_wait_fence)
519 #define DRM_IOCTL_MSM_GEM_MADVISE      DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_MADVISE, struct drm_msm_gem_madvise)
520 #define DRM_IOCTL_MSM_SUBMITQUEUE_NEW    DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_NEW, struct drm_msm_submitqueue)
521 #define DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE  DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_CLOSE, __u32)
522 #define DRM_IOCTL_MSM_SUBMITQUEUE_QUERY  DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_QUERY, struct drm_msm_submitqueue_query)
523 #define DRM_IOCTL_MSM_VM_BIND          DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_VM_BIND, struct drm_msm_vm_bind)
524 
525 #if defined(__cplusplus)
526 }
527 #endif
528 
529 #endif /* __MSM_DRM_H__ */
530