2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 /* Please note that modifications to all structs defined here are
31 * subject to backwards-compatibility constraints.
36 /* Each region is a minimum of 16k, and there are at most 255 of them.
38 #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use
39 * of chars for next/prev indices */
40 #define I915_LOG_MIN_TEX_REGION_SIZE 14
42 typedef struct _drm_i915_init {
45 I915_CLEANUP_DMA = 0x02,
46 I915_RESUME_DMA = 0x03,
48 /* Since this struct isn't versioned, just used a new
49 * 'func' code to indicate the presence of dri2 sarea
53 unsigned int mmio_offset;
54 int sarea_priv_offset;
55 unsigned int ring_start;
56 unsigned int ring_end;
57 unsigned int ring_size;
58 unsigned int front_offset;
59 unsigned int back_offset;
60 unsigned int depth_offset;
64 unsigned int pitch_bits;
65 unsigned int back_pitch;
66 unsigned int depth_pitch;
69 unsigned int sarea_handle;
72 typedef struct drm_i915_sarea {
73 struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1];
74 int last_upload; /* last time texture was uploaded */
75 int last_enqueue; /* last time a buffer was enqueued */
76 int last_dispatch; /* age of the most recently dispatched buffer */
77 int ctxOwner; /* last context to upload state */
79 int pf_enabled; /* is pageflipping allowed? */
81 int pf_current_page; /* which buffer is being displayed? */
82 int perf_boxes; /* performance boxes to be displayed */
83 int width, height; /* screen size in pixels */
85 drm_handle_t front_handle;
89 drm_handle_t back_handle;
93 drm_handle_t depth_handle;
97 drm_handle_t tex_handle;
100 int log_tex_granularity;
102 int rotation; /* 0, 90, 180 or 270 */
106 int virtualX, virtualY;
108 unsigned int front_tiled;
109 unsigned int back_tiled;
110 unsigned int depth_tiled;
111 unsigned int rotated_tiled;
112 unsigned int rotated2_tiled;
114 /* compat defines for the period of time when pipeA_* got renamed
115 * to planeA_*. They mean pipe, really.
117 #define planeA_x pipeA_x
118 #define planeA_y pipeA_y
119 #define planeA_w pipeA_w
120 #define planeA_h pipeA_h
121 #define planeB_x pipeB_x
122 #define planeB_y pipeB_y
123 #define planeB_w pipeB_w
124 #define planeB_h pipeB_h
134 /* Triple buffering */
135 drm_handle_t third_handle;
138 unsigned int third_tiled;
140 /* buffer object handles for the static buffers. May change
141 * over the lifetime of the client, though it doesn't in our current
144 unsigned int front_bo_handle;
145 unsigned int back_bo_handle;
146 unsigned int third_bo_handle;
147 unsigned int depth_bo_handle;
150 /* Driver specific fence types and classes.
153 /* The only fence class we support */
154 #define DRM_I915_FENCE_CLASS_ACCEL 0
155 /* Fence type that guarantees read-write flush */
156 #define DRM_I915_FENCE_TYPE_RW 2
157 /* MI_FLUSH programmed just before the fence */
158 #define DRM_I915_FENCE_FLAG_FLUSHED 0x01000000
160 /* Flags for perf_boxes
162 #define I915_BOX_RING_EMPTY 0x1
163 #define I915_BOX_FLIP 0x2
164 #define I915_BOX_WAIT 0x4
165 #define I915_BOX_TEXTURE_LOAD 0x8
166 #define I915_BOX_LOST_CONTEXT 0x10
168 /* I915 specific ioctls
169 * The device specific ioctl range is 0x40 to 0x79.
171 #define DRM_I915_INIT 0x00
172 #define DRM_I915_FLUSH 0x01
173 #define DRM_I915_FLIP 0x02
174 #define DRM_I915_BATCHBUFFER 0x03
175 #define DRM_I915_IRQ_EMIT 0x04
176 #define DRM_I915_IRQ_WAIT 0x05
177 #define DRM_I915_GETPARAM 0x06
178 #define DRM_I915_SETPARAM 0x07
179 #define DRM_I915_ALLOC 0x08
180 #define DRM_I915_FREE 0x09
181 #define DRM_I915_INIT_HEAP 0x0a
182 #define DRM_I915_CMDBUFFER 0x0b
183 #define DRM_I915_DESTROY_HEAP 0x0c
184 #define DRM_I915_SET_VBLANK_PIPE 0x0d
185 #define DRM_I915_GET_VBLANK_PIPE 0x0e
186 #define DRM_I915_VBLANK_SWAP 0x0f
187 #define DRM_I915_MMIO 0x10
188 #define DRM_I915_HWS_ADDR 0x11
189 #define DRM_I915_EXECBUFFER 0x12
190 #define DRM_I915_GEM_INIT 0x13
191 #define DRM_I915_GEM_EXECBUFFER 0x14
192 #define DRM_I915_GEM_PIN 0x15
193 #define DRM_I915_GEM_UNPIN 0x16
194 #define DRM_I915_GEM_BUSY 0x17
195 #define DRM_I915_GEM_THROTTLE 0x18
196 #define DRM_I915_GEM_ENTERVT 0x19
197 #define DRM_I915_GEM_LEAVEVT 0x1a
198 #define DRM_I915_GEM_CREATE 0x1b
199 #define DRM_I915_GEM_PREAD 0x1c
200 #define DRM_I915_GEM_PWRITE 0x1d
201 #define DRM_I915_GEM_MMAP 0x1e
202 #define DRM_I915_GEM_SET_DOMAIN 0x1f
203 #define DRM_I915_GEM_SW_FINISH 0x20
204 #define DRM_I915_GEM_SET_TILING 0x21
205 #define DRM_I915_GEM_GET_TILING 0x22
206 #define DRM_I915_GEM_GET_APERTURE 0x23
207 #define DRM_I915_GEM_MMAP_GTT 0x24
209 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
210 #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
211 #define DRM_IOCTL_I915_FLIP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FLIP, drm_i915_flip_t)
212 #define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t)
213 #define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t)
214 #define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t)
215 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t)
216 #define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t)
217 #define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t)
218 #define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
219 #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
220 #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
221 #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
222 #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
223 #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t)
224 #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t)
225 #define DRM_IOCTL_I915_MMIO DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_MMIO, drm_i915_mmio)
226 #define DRM_IOCTL_I915_EXECBUFFER DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_EXECBUFFER, struct drm_i915_execbuffer)
227 #define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init)
228 #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer)
229 #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin)
230 #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin)
231 #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy)
232 #define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE)
233 #define DRM_IOCTL_I915_GEM_ENTERVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT)
234 #define DRM_IOCTL_I915_GEM_LEAVEVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT)
235 #define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create)
236 #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread)
237 #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite)
238 #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap)
239 #define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt)
240 #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain)
241 #define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish)
242 #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling)
243 #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
244 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
246 /* Asynchronous page flipping:
248 typedef struct drm_i915_flip {
250 * This is really talking about planes, and we could rename it
251 * except for the fact that some of the duplicated i915_drm.h files
252 * out there check for HAVE_I915_FLIP and so might pick up this
258 /* Allow drivers to submit batchbuffers directly to hardware, relying
259 * on the security mechanisms provided by hardware.
261 typedef struct drm_i915_batchbuffer {
262 int start; /* agp offset */
263 int used; /* nr bytes in use */
264 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
265 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
266 int num_cliprects; /* mulitpass with multiple cliprects? */
267 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
268 } drm_i915_batchbuffer_t;
270 /* As above, but pass a pointer to userspace buffer which can be
271 * validated by the kernel prior to sending to hardware.
273 typedef struct _drm_i915_cmdbuffer {
274 char __user *buf; /* pointer to userspace command buffer */
275 int sz; /* nr bytes in buf */
276 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */
277 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */
278 int num_cliprects; /* mulitpass with multiple cliprects? */
279 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */
280 } drm_i915_cmdbuffer_t;
282 /* Userspace can request & wait on irq's:
284 typedef struct drm_i915_irq_emit {
286 } drm_i915_irq_emit_t;
288 typedef struct drm_i915_irq_wait {
290 } drm_i915_irq_wait_t;
292 /* Ioctl to query kernel params:
294 #define I915_PARAM_IRQ_ACTIVE 1
295 #define I915_PARAM_ALLOW_BATCHBUFFER 2
296 #define I915_PARAM_LAST_DISPATCH 3
297 #define I915_PARAM_CHIPSET_ID 4
298 #define I915_PARAM_HAS_GEM 5
300 typedef struct drm_i915_getparam {
303 } drm_i915_getparam_t;
305 /* Ioctl to set kernel params:
307 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1
308 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2
309 #define I915_SETPARAM_ALLOW_BATCHBUFFER 3
311 typedef struct drm_i915_setparam {
314 } drm_i915_setparam_t;
316 /* A memory manager for regions of shared memory:
318 #define I915_MEM_REGION_AGP 1
320 typedef struct drm_i915_mem_alloc {
324 int __user *region_offset; /* offset from start of fb or agp */
325 } drm_i915_mem_alloc_t;
327 typedef struct drm_i915_mem_free {
330 } drm_i915_mem_free_t;
332 typedef struct drm_i915_mem_init_heap {
336 } drm_i915_mem_init_heap_t;
338 /* Allow memory manager to be torn down and re-initialized (eg on
341 typedef struct drm_i915_mem_destroy_heap {
343 } drm_i915_mem_destroy_heap_t;
345 /* Allow X server to configure which pipes to monitor for vblank signals
347 #define DRM_I915_VBLANK_PIPE_A 1
348 #define DRM_I915_VBLANK_PIPE_B 2
350 typedef struct drm_i915_vblank_pipe {
352 } drm_i915_vblank_pipe_t;
354 /* Schedule buffer swap at given vertical blank:
356 typedef struct drm_i915_vblank_swap {
357 drm_drawable_t drawable;
358 enum drm_vblank_seq_type seqtype;
359 unsigned int sequence;
360 } drm_i915_vblank_swap_t;
362 #define I915_MMIO_READ 0
363 #define I915_MMIO_WRITE 1
365 #define I915_MMIO_MAY_READ 0x1
366 #define I915_MMIO_MAY_WRITE 0x2
368 #define MMIO_REGS_IA_PRIMATIVES_COUNT 0
369 #define MMIO_REGS_IA_VERTICES_COUNT 1
370 #define MMIO_REGS_VS_INVOCATION_COUNT 2
371 #define MMIO_REGS_GS_PRIMITIVES_COUNT 3
372 #define MMIO_REGS_GS_INVOCATION_COUNT 4
373 #define MMIO_REGS_CL_PRIMITIVES_COUNT 5
374 #define MMIO_REGS_CL_INVOCATION_COUNT 6
375 #define MMIO_REGS_PS_INVOCATION_COUNT 7
376 #define MMIO_REGS_PS_DEPTH_COUNT 8
378 typedef struct drm_i915_mmio_entry {
382 } drm_i915_mmio_entry_t;
384 typedef struct drm_i915_mmio {
385 unsigned int read_write:1;
390 typedef struct drm_i915_hws_addr {
392 } drm_i915_hws_addr_t;
395 * Relocation header is 4 uint32_ts
396 * 0 - 32 bit reloc count
397 * 1 - 32-bit relocation type
398 * 2-3 - 64-bit user buffer handle ptr for another list of relocs.
400 #define I915_RELOC_HEADER 4
403 * type 0 relocation has 4-uint32_t stride
404 * 0 - offset into buffer
405 * 1 - delta to add in
407 * 3 - reserved (for optimisations later).
410 * type 1 relocation has 4-uint32_t stride.
411 * Hangs off the first item in the op list.
412 * Performed after all valiations are done.
413 * Try to group relocs into the same relocatee together for
414 * performance reasons.
415 * 0 - offset into buffer
416 * 1 - delta to add in
417 * 2 - buffer index in op list.
418 * 3 - relocatee index in op list.
420 #define I915_RELOC_TYPE_0 0
421 #define I915_RELOC0_STRIDE 4
422 #define I915_RELOC_TYPE_1 1
423 #define I915_RELOC1_STRIDE 4
426 struct drm_i915_op_arg {
432 struct drm_bo_op_req req;
433 struct drm_bo_arg_rep rep;
438 struct drm_i915_execbuffer {
440 uint32_t num_buffers;
441 struct drm_i915_batchbuffer batch;
442 drm_context_t context; /* for lockless use in the future */
443 struct drm_fence_arg fence_arg;
446 struct drm_i915_gem_init {
448 * Beginning offset in the GTT to be managed by the DRM memory
453 * Ending offset in the GTT to be managed by the DRM memory
459 struct drm_i915_gem_create {
461 * Requested size for the object.
463 * The (page-aligned) allocated size for the object will be returned.
467 * Returned handle for the object.
469 * Object handles are nonzero.
475 struct drm_i915_gem_pread {
476 /** Handle for the object being read. */
479 /** Offset into the object to read from */
481 /** Length of data to read */
484 * Pointer to write the data into.
486 * This is a fixed-size type for 32/64 compatibility.
491 struct drm_i915_gem_pwrite {
492 /** Handle for the object being written to. */
495 /** Offset into the object to write to */
497 /** Length of data to write */
500 * Pointer to read the data from.
502 * This is a fixed-size type for 32/64 compatibility.
507 struct drm_i915_gem_mmap {
508 /** Handle for the object being mapped. */
511 /** Offset in the object to map. */
514 * Length of data to map.
516 * The value will be page-aligned.
520 * Returned pointer the data was mapped at.
522 * This is a fixed-size type for 32/64 compatibility.
527 struct drm_i915_gem_mmap_gtt {
528 /** Handle for the object being mapped. */
532 * Fake offset to use for subsequent mmap call
534 * This is a fixed-size type for 32/64 compatibility.
539 struct drm_i915_gem_set_domain {
540 /** Handle for the object */
543 /** New read domains */
544 uint32_t read_domains;
546 /** New write domain */
547 uint32_t write_domain;
550 struct drm_i915_gem_sw_finish {
551 /** Handle for the object */
555 struct drm_i915_gem_relocation_entry {
557 * Handle of the buffer being pointed to by this relocation entry.
559 * It's appealing to make this be an index into the mm_validate_entry
560 * list to refer to the buffer, but this allows the driver to create
561 * a relocation list for state buffers and not re-write it per
562 * exec using the buffer.
564 uint32_t target_handle;
567 * Value to be added to the offset of the target buffer to make up
568 * the relocation entry.
572 /** Offset in the buffer the relocation entry will be written into */
576 * Offset value of the target buffer that the relocation entry was last
579 * If the buffer has the same offset as last time, we can skip syncing
580 * and writing the relocation. This value is written back out by
581 * the execbuffer ioctl when the relocation is written.
583 uint64_t presumed_offset;
586 * Target memory domains read by this operation.
588 uint32_t read_domains;
591 * Target memory domains written by this operation.
593 * Note that only one domain may be written by the whole
594 * execbuffer operation, so that where there are conflicts,
595 * the application will get -EINVAL back.
597 uint32_t write_domain;
601 * Intel memory domains
603 * Most of these just align with the various caches in
604 * the system and are used to flush and invalidate as
605 * objects end up cached in different domains.
608 #define I915_GEM_DOMAIN_CPU 0x00000001
609 /** Render cache, used by 2D and 3D drawing */
610 #define I915_GEM_DOMAIN_RENDER 0x00000002
611 /** Sampler cache, used by texture engine */
612 #define I915_GEM_DOMAIN_SAMPLER 0x00000004
613 /** Command queue, used to load batch buffers */
614 #define I915_GEM_DOMAIN_COMMAND 0x00000008
615 /** Instruction cache, used by shader programs */
616 #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010
617 /** Vertex address cache */
618 #define I915_GEM_DOMAIN_VERTEX 0x00000020
619 /** GTT domain - aperture and scanout */
620 #define I915_GEM_DOMAIN_GTT 0x00000040
623 struct drm_i915_gem_exec_object {
625 * User's handle for a buffer to be bound into the GTT for this
630 /** Number of relocations to be performed on this buffer */
631 uint32_t relocation_count;
633 * Pointer to array of struct drm_i915_gem_relocation_entry containing
634 * the relocations to be performed in this buffer.
638 /** Required alignment in graphics aperture */
642 * Returned value of the updated offset of the object, for future
643 * presumed_offset writes.
648 struct drm_i915_gem_execbuffer {
650 * List of buffers to be validated with their relocations to be
651 * performend on them.
653 * This is a pointer to an array of struct drm_i915_gem_validate_entry.
655 * These buffers must be listed in an order such that all relocations
656 * a buffer is performing refer to buffers that have already appeared
657 * in the validate list.
659 uint64_t buffers_ptr;
660 uint32_t buffer_count;
662 /** Offset in the batchbuffer to start execution from. */
663 uint32_t batch_start_offset;
664 /** Bytes used in batchbuffer from batch_start_offset */
668 uint32_t num_cliprects;
669 /** This is a struct drm_clip_rect *cliprects */
670 uint64_t cliprects_ptr;
673 struct drm_i915_gem_pin {
674 /** Handle of the buffer to be pinned. */
678 /** alignment required within the aperture */
681 /** Returned GTT offset of the buffer. */
685 struct drm_i915_gem_unpin {
686 /** Handle of the buffer to be unpinned. */
691 struct drm_i915_gem_busy {
692 /** Handle of the buffer to check for busy */
695 /** Return busy status (1 if busy, 0 if idle) */
699 #define I915_TILING_NONE 0
700 #define I915_TILING_X 1
701 #define I915_TILING_Y 2
703 #define I915_BIT_6_SWIZZLE_NONE 0
704 #define I915_BIT_6_SWIZZLE_9 1
705 #define I915_BIT_6_SWIZZLE_9_10 2
706 #define I915_BIT_6_SWIZZLE_9_11 3
707 #define I915_BIT_6_SWIZZLE_9_10_11 4
708 /* Not seen by userland */
709 #define I915_BIT_6_SWIZZLE_UNKNOWN 5
711 struct drm_i915_gem_set_tiling {
712 /** Handle of the buffer to have its tiling state updated */
716 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
719 * This value is to be set on request, and will be updated by the
720 * kernel on successful return with the actual chosen tiling layout.
722 * The tiling mode may be demoted to I915_TILING_NONE when the system
723 * has bit 6 swizzling that can't be managed correctly by GEM.
725 * Buffer contents become undefined when changing tiling_mode.
727 uint32_t tiling_mode;
730 * Stride in bytes for the object when in I915_TILING_X or
736 * Returned address bit 6 swizzling required for CPU access through
739 uint32_t swizzle_mode;
742 struct drm_i915_gem_get_tiling {
743 /** Handle of the buffer to get tiling state for. */
747 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X,
750 uint32_t tiling_mode;
753 * Returned address bit 6 swizzling required for CPU access through
756 uint32_t swizzle_mode;
759 struct drm_i915_gem_get_aperture {
760 /** Total size of the aperture used by i915_gem_execbuffer, in bytes */
764 * Available space in the aperture used by i915_gem_execbuffer, in
767 uint64_t aper_available_size;
770 #endif /* _I915_DRM_H_ */