2 * Copyright 2005 Stephane Marchesin.
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:
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
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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
25 #ifndef __NOUVEAU_DRM_H__
26 #define __NOUVEAU_DRM_H__
28 #define DRM_NOUVEAU_EVENT_NVIF 0x80000000
32 #if defined(__cplusplus)
36 #define NOUVEAU_GETPARAM_PCI_VENDOR 3
37 #define NOUVEAU_GETPARAM_PCI_DEVICE 4
38 #define NOUVEAU_GETPARAM_BUS_TYPE 5
39 #define NOUVEAU_GETPARAM_FB_SIZE 8
40 #define NOUVEAU_GETPARAM_AGP_SIZE 9
41 #define NOUVEAU_GETPARAM_CHIPSET_ID 11
42 #define NOUVEAU_GETPARAM_VM_VRAM_BASE 12
43 #define NOUVEAU_GETPARAM_GRAPH_UNITS 13
44 #define NOUVEAU_GETPARAM_PTIMER_TIME 14
45 #define NOUVEAU_GETPARAM_HAS_BO_USAGE 15
46 #define NOUVEAU_GETPARAM_HAS_PAGEFLIP 16
47 struct drm_nouveau_getparam {
52 struct drm_nouveau_channel_alloc {
53 __u32 fb_ctxdma_handle;
54 __u32 tt_ctxdma_handle;
57 __u32 pushbuf_domains;
60 __u32 notifier_handle;
62 /* DRM-enforced subchannel assignments */
70 struct drm_nouveau_channel_free {
74 #define NOUVEAU_GEM_DOMAIN_CPU (1 << 0)
75 #define NOUVEAU_GEM_DOMAIN_VRAM (1 << 1)
76 #define NOUVEAU_GEM_DOMAIN_GART (1 << 2)
77 #define NOUVEAU_GEM_DOMAIN_MAPPABLE (1 << 3)
78 #define NOUVEAU_GEM_DOMAIN_COHERENT (1 << 4)
79 /* The BO will never be shared via import or export. */
80 #define NOUVEAU_GEM_DOMAIN_NO_SHARE (1 << 5)
82 #define NOUVEAU_GEM_TILE_COMP 0x00030000 /* nv50-only */
83 #define NOUVEAU_GEM_TILE_LAYOUT_MASK 0x0000ff00
84 #define NOUVEAU_GEM_TILE_16BPP 0x00000001
85 #define NOUVEAU_GEM_TILE_32BPP 0x00000002
86 #define NOUVEAU_GEM_TILE_ZETA 0x00000004
87 #define NOUVEAU_GEM_TILE_NONCONTIG 0x00000008
89 struct drm_nouveau_gem_info {
99 struct drm_nouveau_gem_new {
100 struct drm_nouveau_gem_info info;
105 #define NOUVEAU_GEM_MAX_BUFFERS 1024
106 struct drm_nouveau_gem_pushbuf_bo_presumed {
112 struct drm_nouveau_gem_pushbuf_bo {
118 struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
121 #define NOUVEAU_GEM_RELOC_LOW (1 << 0)
122 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
123 #define NOUVEAU_GEM_RELOC_OR (1 << 2)
124 #define NOUVEAU_GEM_MAX_RELOCS 1024
125 struct drm_nouveau_gem_pushbuf_reloc {
126 __u32 reloc_bo_index;
127 __u32 reloc_bo_offset;
135 #define NOUVEAU_GEM_MAX_PUSH 512
136 struct drm_nouveau_gem_pushbuf_push {
141 #define NOUVEAU_GEM_PUSHBUF_NO_PREFETCH (1 << 23)
144 struct drm_nouveau_gem_pushbuf {
154 #define NOUVEAU_GEM_PUSHBUF_SYNC (1ULL << 0)
155 __u64 vram_available;
156 __u64 gart_available;
159 #define NOUVEAU_GEM_CPU_PREP_NOWAIT 0x00000001
160 #define NOUVEAU_GEM_CPU_PREP_WRITE 0x00000004
161 struct drm_nouveau_gem_cpu_prep {
166 struct drm_nouveau_gem_cpu_fini {
171 * struct drm_nouveau_sync - sync object
173 * This structure serves as synchronization mechanism for (potentially)
174 * asynchronous operations such as EXEC or VM_BIND.
176 struct drm_nouveau_sync {
178 * @flags: the flags for a sync object
180 * The first 8 bits are used to determine the type of the sync object.
183 #define DRM_NOUVEAU_SYNC_SYNCOBJ 0x0
184 #define DRM_NOUVEAU_SYNC_TIMELINE_SYNCOBJ 0x1
185 #define DRM_NOUVEAU_SYNC_TYPE_MASK 0xf
187 * @handle: the handle of the sync object
193 * The timeline point of the sync object in case the syncobj is of
194 * type DRM_NOUVEAU_SYNC_TIMELINE_SYNCOBJ.
196 __u64 timeline_value;
200 * struct drm_nouveau_vm_init - GPU VA space init structure
202 * Used to initialize the GPU's VA space for a user client, telling the kernel
203 * which portion of the VA space is managed by the UMD and kernel respectively.
205 * For the UMD to use the VM_BIND uAPI, this must be called before any BOs or
206 * channels are created; if called afterwards DRM_IOCTL_NOUVEAU_VM_INIT fails
209 struct drm_nouveau_vm_init {
211 * @kernel_managed_addr: start address of the kernel managed VA space
214 __u64 kernel_managed_addr;
216 * @kernel_managed_size: size of the kernel managed VA space region in
219 __u64 kernel_managed_size;
223 * struct drm_nouveau_vm_bind_op - VM_BIND operation
225 * This structure represents a single VM_BIND operation. UMDs should pass
226 * an array of this structure via struct drm_nouveau_vm_bind's &op_ptr field.
228 struct drm_nouveau_vm_bind_op {
230 * @op: the operation type
234 * @DRM_NOUVEAU_VM_BIND_OP_MAP:
236 * Map a GEM object to the GPU's VA space. Optionally, the
237 * &DRM_NOUVEAU_VM_BIND_SPARSE flag can be passed to instruct the kernel to
238 * create sparse mappings for the given range.
240 #define DRM_NOUVEAU_VM_BIND_OP_MAP 0x0
242 * @DRM_NOUVEAU_VM_BIND_OP_UNMAP:
244 * Unmap an existing mapping in the GPU's VA space. If the region the mapping
245 * is located in is a sparse region, new sparse mappings are created where the
246 * unmapped (memory backed) mapping was mapped previously. To remove a sparse
247 * region the &DRM_NOUVEAU_VM_BIND_SPARSE must be set.
249 #define DRM_NOUVEAU_VM_BIND_OP_UNMAP 0x1
251 * @flags: the flags for a &drm_nouveau_vm_bind_op
255 * @DRM_NOUVEAU_VM_BIND_SPARSE:
257 * Indicates that an allocated VA space region should be sparse.
259 #define DRM_NOUVEAU_VM_BIND_SPARSE (1 << 8)
261 * @handle: the handle of the DRM GEM object to map
265 * @pad: 32 bit padding, should be 0
271 * the address the VA space region or (memory backed) mapping should be mapped to
275 * @bo_offset: the offset within the BO backing the mapping
279 * @range: the size of the requested mapping in bytes
285 * struct drm_nouveau_vm_bind - structure for DRM_IOCTL_NOUVEAU_VM_BIND
287 struct drm_nouveau_vm_bind {
289 * @op_count: the number of &drm_nouveau_vm_bind_op
293 * @flags: the flags for a &drm_nouveau_vm_bind ioctl
297 * @DRM_NOUVEAU_VM_BIND_RUN_ASYNC:
299 * Indicates that the given VM_BIND operation should be executed asynchronously
302 * If this flag is not supplied the kernel executes the associated operations
303 * synchronously and doesn't accept any &drm_nouveau_sync objects.
305 #define DRM_NOUVEAU_VM_BIND_RUN_ASYNC 0x1
307 * @wait_count: the number of wait &drm_nouveau_syncs
311 * @sig_count: the number of &drm_nouveau_syncs to signal when finished
315 * @wait_ptr: pointer to &drm_nouveau_syncs to wait for
319 * @sig_ptr: pointer to &drm_nouveau_syncs to signal when finished
323 * @op_ptr: pointer to the &drm_nouveau_vm_bind_ops to execute
329 * struct drm_nouveau_exec_push - EXEC push operation
331 * This structure represents a single EXEC push operation. UMDs should pass an
332 * array of this structure via struct drm_nouveau_exec's &push_ptr field.
334 struct drm_nouveau_exec_push {
336 * @va: the virtual address of the push buffer mapping
340 * @va_len: the length of the push buffer mapping
344 * @flags: the flags for this push buffer mapping
347 #define DRM_NOUVEAU_EXEC_PUSH_NO_PREFETCH 0x1
351 * struct drm_nouveau_exec - structure for DRM_IOCTL_NOUVEAU_EXEC
353 struct drm_nouveau_exec {
355 * @channel: the channel to execute the push buffer in
359 * @push_count: the number of &drm_nouveau_exec_push ops
363 * @wait_count: the number of wait &drm_nouveau_syncs
367 * @sig_count: the number of &drm_nouveau_syncs to signal when finished
371 * @wait_ptr: pointer to &drm_nouveau_syncs to wait for
375 * @sig_ptr: pointer to &drm_nouveau_syncs to signal when finished
379 * @push_ptr: pointer to &drm_nouveau_exec_push ops
384 #define DRM_NOUVEAU_GETPARAM 0x00
385 #define DRM_NOUVEAU_SETPARAM 0x01 /* deprecated */
386 #define DRM_NOUVEAU_CHANNEL_ALLOC 0x02
387 #define DRM_NOUVEAU_CHANNEL_FREE 0x03
388 #define DRM_NOUVEAU_GROBJ_ALLOC 0x04 /* deprecated */
389 #define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC 0x05 /* deprecated */
390 #define DRM_NOUVEAU_GPUOBJ_FREE 0x06 /* deprecated */
391 #define DRM_NOUVEAU_NVIF 0x07
392 #define DRM_NOUVEAU_SVM_INIT 0x08
393 #define DRM_NOUVEAU_SVM_BIND 0x09
394 #define DRM_NOUVEAU_VM_INIT 0x10
395 #define DRM_NOUVEAU_VM_BIND 0x11
396 #define DRM_NOUVEAU_EXEC 0x12
397 #define DRM_NOUVEAU_GEM_NEW 0x40
398 #define DRM_NOUVEAU_GEM_PUSHBUF 0x41
399 #define DRM_NOUVEAU_GEM_CPU_PREP 0x42
400 #define DRM_NOUVEAU_GEM_CPU_FINI 0x43
401 #define DRM_NOUVEAU_GEM_INFO 0x44
403 struct drm_nouveau_svm_init {
404 __u64 unmanaged_addr;
405 __u64 unmanaged_size;
408 struct drm_nouveau_svm_bind {
419 #define NOUVEAU_SVM_BIND_COMMAND_SHIFT 0
420 #define NOUVEAU_SVM_BIND_COMMAND_BITS 8
421 #define NOUVEAU_SVM_BIND_COMMAND_MASK ((1 << 8) - 1)
422 #define NOUVEAU_SVM_BIND_PRIORITY_SHIFT 8
423 #define NOUVEAU_SVM_BIND_PRIORITY_BITS 8
424 #define NOUVEAU_SVM_BIND_PRIORITY_MASK ((1 << 8) - 1)
425 #define NOUVEAU_SVM_BIND_TARGET_SHIFT 16
426 #define NOUVEAU_SVM_BIND_TARGET_BITS 32
427 #define NOUVEAU_SVM_BIND_TARGET_MASK 0xffffffff
430 * Below is use to validate ioctl argument, userspace can also use it to make
431 * sure that no bit are set beyond known fields for a given kernel version.
433 #define NOUVEAU_SVM_BIND_VALID_BITS 48
434 #define NOUVEAU_SVM_BIND_VALID_MASK ((1ULL << NOUVEAU_SVM_BIND_VALID_BITS) - 1)
438 * NOUVEAU_BIND_COMMAND__MIGRATE: synchronous migrate to target memory.
439 * result: number of page successfuly migrate to the target memory.
441 #define NOUVEAU_SVM_BIND_COMMAND__MIGRATE 0
444 * NOUVEAU_SVM_BIND_HEADER_TARGET__GPU_VRAM: target the GPU VRAM memory.
446 #define NOUVEAU_SVM_BIND_TARGET__GPU_VRAM (1UL << 31)
449 #define DRM_IOCTL_NOUVEAU_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GETPARAM, struct drm_nouveau_getparam)
450 #define DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_ALLOC, struct drm_nouveau_channel_alloc)
451 #define DRM_IOCTL_NOUVEAU_CHANNEL_FREE DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_CHANNEL_FREE, struct drm_nouveau_channel_free)
453 #define DRM_IOCTL_NOUVEAU_SVM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_INIT, struct drm_nouveau_svm_init)
454 #define DRM_IOCTL_NOUVEAU_SVM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_SVM_BIND, struct drm_nouveau_svm_bind)
456 #define DRM_IOCTL_NOUVEAU_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_NEW, struct drm_nouveau_gem_new)
457 #define DRM_IOCTL_NOUVEAU_GEM_PUSHBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_PUSHBUF, struct drm_nouveau_gem_pushbuf)
458 #define DRM_IOCTL_NOUVEAU_GEM_CPU_PREP DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_PREP, struct drm_nouveau_gem_cpu_prep)
459 #define DRM_IOCTL_NOUVEAU_GEM_CPU_FINI DRM_IOW (DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_CPU_FINI, struct drm_nouveau_gem_cpu_fini)
460 #define DRM_IOCTL_NOUVEAU_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_GEM_INFO, struct drm_nouveau_gem_info)
462 #define DRM_IOCTL_NOUVEAU_VM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_INIT, struct drm_nouveau_vm_init)
463 #define DRM_IOCTL_NOUVEAU_VM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_BIND, struct drm_nouveau_vm_bind)
464 #define DRM_IOCTL_NOUVEAU_EXEC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_EXEC, struct drm_nouveau_exec)
465 #if defined(__cplusplus)
469 #endif /* __NOUVEAU_DRM_H__ */