1 /* 2 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 3 * All Rights Reserved. 4 * 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: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 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. 24 * 25 */ 26 27 #ifndef _I915_DRM_H_ 28 #define _I915_DRM_H_ 29 30 #include "drm.h" 31 32 /* Please note that modifications to all structs defined here are 33 * subject to backwards-compatibility constraints. 34 */ 35 36 #ifdef __KERNEL__ 37 /* For use by IPS driver */ 38 extern unsigned long i915_read_mch_val(void); 39 extern bool i915_gpu_raise(void); 40 extern bool i915_gpu_lower(void); 41 extern bool i915_gpu_busy(void); 42 extern bool i915_gpu_turbo_disable(void); 43 #endif 44 45 /* Each region is a minimum of 16k, and there are at most 255 of them. 46 */ 47 #define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use 48 * of chars for next/prev indices */ 49 #define I915_LOG_MIN_TEX_REGION_SIZE 14 50 51 typedef struct _drm_i915_init { 52 enum { 53 I915_INIT_DMA = 0x01, 54 I915_CLEANUP_DMA = 0x02, 55 I915_RESUME_DMA = 0x03 56 } func; 57 unsigned int mmio_offset; 58 int sarea_priv_offset; 59 unsigned int ring_start; 60 unsigned int ring_end; 61 unsigned int ring_size; 62 unsigned int front_offset; 63 unsigned int back_offset; 64 unsigned int depth_offset; 65 unsigned int w; 66 unsigned int h; 67 unsigned int pitch; 68 unsigned int pitch_bits; 69 unsigned int back_pitch; 70 unsigned int depth_pitch; 71 unsigned int cpp; 72 unsigned int chipset; 73 } drm_i915_init_t; 74 75 typedef struct _drm_i915_sarea { 76 struct drm_tex_region texList[I915_NR_TEX_REGIONS + 1]; 77 int last_upload; /* last time texture was uploaded */ 78 int last_enqueue; /* last time a buffer was enqueued */ 79 int last_dispatch; /* age of the most recently dispatched buffer */ 80 int ctxOwner; /* last context to upload state */ 81 int texAge; 82 int pf_enabled; /* is pageflipping allowed? */ 83 int pf_active; 84 int pf_current_page; /* which buffer is being displayed? */ 85 int perf_boxes; /* performance boxes to be displayed */ 86 int width, height; /* screen size in pixels */ 87 88 drm_handle_t front_handle; 89 int front_offset; 90 int front_size; 91 92 drm_handle_t back_handle; 93 int back_offset; 94 int back_size; 95 96 drm_handle_t depth_handle; 97 int depth_offset; 98 int depth_size; 99 100 drm_handle_t tex_handle; 101 int tex_offset; 102 int tex_size; 103 int log_tex_granularity; 104 int pitch; 105 int rotation; /* 0, 90, 180 or 270 */ 106 int rotated_offset; 107 int rotated_size; 108 int rotated_pitch; 109 int virtualX, virtualY; 110 111 unsigned int front_tiled; 112 unsigned int back_tiled; 113 unsigned int depth_tiled; 114 unsigned int rotated_tiled; 115 unsigned int rotated2_tiled; 116 117 int pipeA_x; 118 int pipeA_y; 119 int pipeA_w; 120 int pipeA_h; 121 int pipeB_x; 122 int pipeB_y; 123 int pipeB_w; 124 int pipeB_h; 125 126 /* fill out some space for old userspace triple buffer */ 127 drm_handle_t unused_handle; 128 __u32 unused1, unused2, unused3; 129 130 /* buffer object handles for static buffers. May change 131 * over the lifetime of the client. 132 */ 133 __u32 front_bo_handle; 134 __u32 back_bo_handle; 135 __u32 unused_bo_handle; 136 __u32 depth_bo_handle; 137 138 } drm_i915_sarea_t; 139 140 /* due to userspace building against these headers we need some compat here */ 141 #define planeA_x pipeA_x 142 #define planeA_y pipeA_y 143 #define planeA_w pipeA_w 144 #define planeA_h pipeA_h 145 #define planeB_x pipeB_x 146 #define planeB_y pipeB_y 147 #define planeB_w pipeB_w 148 #define planeB_h pipeB_h 149 150 /* Flags for perf_boxes 151 */ 152 #define I915_BOX_RING_EMPTY 0x1 153 #define I915_BOX_FLIP 0x2 154 #define I915_BOX_WAIT 0x4 155 #define I915_BOX_TEXTURE_LOAD 0x8 156 #define I915_BOX_LOST_CONTEXT 0x10 157 158 /* I915 specific ioctls 159 * The device specific ioctl range is 0x40 to 0x79. 160 */ 161 #define DRM_I915_INIT 0x00 162 #define DRM_I915_FLUSH 0x01 163 #define DRM_I915_FLIP 0x02 164 #define DRM_I915_BATCHBUFFER 0x03 165 #define DRM_I915_IRQ_EMIT 0x04 166 #define DRM_I915_IRQ_WAIT 0x05 167 #define DRM_I915_GETPARAM 0x06 168 #define DRM_I915_SETPARAM 0x07 169 #define DRM_I915_ALLOC 0x08 170 #define DRM_I915_FREE 0x09 171 #define DRM_I915_INIT_HEAP 0x0a 172 #define DRM_I915_CMDBUFFER 0x0b 173 #define DRM_I915_DESTROY_HEAP 0x0c 174 #define DRM_I915_SET_VBLANK_PIPE 0x0d 175 #define DRM_I915_GET_VBLANK_PIPE 0x0e 176 #define DRM_I915_VBLANK_SWAP 0x0f 177 #define DRM_I915_HWS_ADDR 0x11 178 #define DRM_I915_GEM_INIT 0x13 179 #define DRM_I915_GEM_EXECBUFFER 0x14 180 #define DRM_I915_GEM_PIN 0x15 181 #define DRM_I915_GEM_UNPIN 0x16 182 #define DRM_I915_GEM_BUSY 0x17 183 #define DRM_I915_GEM_THROTTLE 0x18 184 #define DRM_I915_GEM_ENTERVT 0x19 185 #define DRM_I915_GEM_LEAVEVT 0x1a 186 #define DRM_I915_GEM_CREATE 0x1b 187 #define DRM_I915_GEM_PREAD 0x1c 188 #define DRM_I915_GEM_PWRITE 0x1d 189 #define DRM_I915_GEM_MMAP 0x1e 190 #define DRM_I915_GEM_SET_DOMAIN 0x1f 191 #define DRM_I915_GEM_SW_FINISH 0x20 192 #define DRM_I915_GEM_SET_TILING 0x21 193 #define DRM_I915_GEM_GET_TILING 0x22 194 #define DRM_I915_GEM_GET_APERTURE 0x23 195 #define DRM_I915_GEM_MMAP_GTT 0x24 196 #define DRM_I915_GET_PIPE_FROM_CRTC_ID 0x25 197 #define DRM_I915_GEM_MADVISE 0x26 198 #define DRM_I915_OVERLAY_PUT_IMAGE 0x27 199 #define DRM_I915_OVERLAY_ATTRS 0x28 200 #define DRM_I915_GEM_EXECBUFFER2 0x29 201 202 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) 203 #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) 204 #define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP) 205 #define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t) 206 #define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t) 207 #define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t) 208 #define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t) 209 #define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t) 210 #define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t) 211 #define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t) 212 #define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) 213 #define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) 214 #define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t) 215 #define DRM_IOCTL_I915_SET_VBLANK_PIPE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SET_VBLANK_PIPE, drm_i915_vblank_pipe_t) 216 #define DRM_IOCTL_I915_GET_VBLANK_PIPE DRM_IOR( DRM_COMMAND_BASE + DRM_I915_GET_VBLANK_PIPE, drm_i915_vblank_pipe_t) 217 #define DRM_IOCTL_I915_VBLANK_SWAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_VBLANK_SWAP, drm_i915_vblank_swap_t) 218 #define DRM_IOCTL_I915_HWS_ADDR DRM_IOW(DRM_COMMAND_BASE + DRM_I915_HWS_ADDR, struct drm_i915_gem_init) 219 #define DRM_IOCTL_I915_GEM_INIT DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_INIT, struct drm_i915_gem_init) 220 #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) 221 #define DRM_IOCTL_I915_GEM_EXECBUFFER2 DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER2, struct drm_i915_gem_execbuffer2) 222 #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin) 223 #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin) 224 #define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) 225 #define DRM_IOCTL_I915_GEM_THROTTLE DRM_IO ( DRM_COMMAND_BASE + DRM_I915_GEM_THROTTLE) 226 #define DRM_IOCTL_I915_GEM_ENTERVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_ENTERVT) 227 #define DRM_IOCTL_I915_GEM_LEAVEVT DRM_IO(DRM_COMMAND_BASE + DRM_I915_GEM_LEAVEVT) 228 #define DRM_IOCTL_I915_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_CREATE, struct drm_i915_gem_create) 229 #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread) 230 #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) 231 #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) 232 #define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt) 233 #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) 234 #define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish) 235 #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling) 236 #define DRM_IOCTL_I915_GEM_GET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling) 237 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture) 238 #define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_i915_get_pipe_from_crtc_id) 239 #define DRM_IOCTL_I915_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise) 240 #define DRM_IOCTL_I915_OVERLAY_PUT_IMAGE DRM_IOW(DRM_COMMAND_BASE + DRM_IOCTL_I915_OVERLAY_ATTRS, struct drm_intel_overlay_put_image) 241 #define DRM_IOCTL_I915_OVERLAY_ATTRS DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_OVERLAY_ATTRS, struct drm_intel_overlay_attrs) 242 243 /* Allow drivers to submit batchbuffers directly to hardware, relying 244 * on the security mechanisms provided by hardware. 245 */ 246 typedef struct drm_i915_batchbuffer { 247 int start; /* agp offset */ 248 int used; /* nr bytes in use */ 249 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ 250 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ 251 int num_cliprects; /* mulitpass with multiple cliprects? */ 252 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */ 253 } drm_i915_batchbuffer_t; 254 255 /* As above, but pass a pointer to userspace buffer which can be 256 * validated by the kernel prior to sending to hardware. 257 */ 258 typedef struct _drm_i915_cmdbuffer { 259 char __user *buf; /* pointer to userspace command buffer */ 260 int sz; /* nr bytes in buf */ 261 int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ 262 int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ 263 int num_cliprects; /* mulitpass with multiple cliprects? */ 264 struct drm_clip_rect __user *cliprects; /* pointer to userspace cliprects */ 265 } drm_i915_cmdbuffer_t; 266 267 /* Userspace can request & wait on irq's: 268 */ 269 typedef struct drm_i915_irq_emit { 270 int __user *irq_seq; 271 } drm_i915_irq_emit_t; 272 273 typedef struct drm_i915_irq_wait { 274 int irq_seq; 275 } drm_i915_irq_wait_t; 276 277 /* Ioctl to query kernel params: 278 */ 279 #define I915_PARAM_IRQ_ACTIVE 1 280 #define I915_PARAM_ALLOW_BATCHBUFFER 2 281 #define I915_PARAM_LAST_DISPATCH 3 282 #define I915_PARAM_CHIPSET_ID 4 283 #define I915_PARAM_HAS_GEM 5 284 #define I915_PARAM_NUM_FENCES_AVAIL 6 285 #define I915_PARAM_HAS_OVERLAY 7 286 #define I915_PARAM_HAS_PAGEFLIPPING 8 287 #define I915_PARAM_HAS_EXECBUF2 9 288 #define I915_PARAM_HAS_BSD 10 289 #define I915_PARAM_HAS_BLT 11 290 #define I915_PARAM_HAS_RELAXED_FENCING 12 291 #define I915_PARAM_HAS_COHERENT_RINGS 13 292 #define I915_PARAM_HAS_EXEC_CONSTANTS 14 293 294 typedef struct drm_i915_getparam { 295 int param; 296 int __user *value; 297 } drm_i915_getparam_t; 298 299 /* Ioctl to set kernel params: 300 */ 301 #define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1 302 #define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2 303 #define I915_SETPARAM_ALLOW_BATCHBUFFER 3 304 #define I915_SETPARAM_NUM_USED_FENCES 4 305 306 typedef struct drm_i915_setparam { 307 int param; 308 int value; 309 } drm_i915_setparam_t; 310 311 /* A memory manager for regions of shared memory: 312 */ 313 #define I915_MEM_REGION_AGP 1 314 315 typedef struct drm_i915_mem_alloc { 316 int region; 317 int alignment; 318 int size; 319 int __user *region_offset; /* offset from start of fb or agp */ 320 } drm_i915_mem_alloc_t; 321 322 typedef struct drm_i915_mem_free { 323 int region; 324 int region_offset; 325 } drm_i915_mem_free_t; 326 327 typedef struct drm_i915_mem_init_heap { 328 int region; 329 int size; 330 int start; 331 } drm_i915_mem_init_heap_t; 332 333 /* Allow memory manager to be torn down and re-initialized (eg on 334 * rotate): 335 */ 336 typedef struct drm_i915_mem_destroy_heap { 337 int region; 338 } drm_i915_mem_destroy_heap_t; 339 340 /* Allow X server to configure which pipes to monitor for vblank signals 341 */ 342 #define DRM_I915_VBLANK_PIPE_A 1 343 #define DRM_I915_VBLANK_PIPE_B 2 344 345 typedef struct drm_i915_vblank_pipe { 346 int pipe; 347 } drm_i915_vblank_pipe_t; 348 349 /* Schedule buffer swap at given vertical blank: 350 */ 351 typedef struct drm_i915_vblank_swap { 352 drm_drawable_t drawable; 353 enum drm_vblank_seq_type seqtype; 354 unsigned int sequence; 355 } drm_i915_vblank_swap_t; 356 357 typedef struct drm_i915_hws_addr { 358 __u64 addr; 359 } drm_i915_hws_addr_t; 360 361 struct drm_i915_gem_init { 362 /** 363 * Beginning offset in the GTT to be managed by the DRM memory 364 * manager. 365 */ 366 __u64 gtt_start; 367 /** 368 * Ending offset in the GTT to be managed by the DRM memory 369 * manager. 370 */ 371 __u64 gtt_end; 372 }; 373 374 struct drm_i915_gem_create { 375 /** 376 * Requested size for the object. 377 * 378 * The (page-aligned) allocated size for the object will be returned. 379 */ 380 __u64 size; 381 /** 382 * Returned handle for the object. 383 * 384 * Object handles are nonzero. 385 */ 386 __u32 handle; 387 __u32 pad; 388 }; 389 390 struct drm_i915_gem_pread { 391 /** Handle for the object being read. */ 392 __u32 handle; 393 __u32 pad; 394 /** Offset into the object to read from */ 395 __u64 offset; 396 /** Length of data to read */ 397 __u64 size; 398 /** 399 * Pointer to write the data into. 400 * 401 * This is a fixed-size type for 32/64 compatibility. 402 */ 403 __u64 data_ptr; 404 }; 405 406 struct drm_i915_gem_pwrite { 407 /** Handle for the object being written to. */ 408 __u32 handle; 409 __u32 pad; 410 /** Offset into the object to write to */ 411 __u64 offset; 412 /** Length of data to write */ 413 __u64 size; 414 /** 415 * Pointer to read the data from. 416 * 417 * This is a fixed-size type for 32/64 compatibility. 418 */ 419 __u64 data_ptr; 420 }; 421 422 struct drm_i915_gem_mmap { 423 /** Handle for the object being mapped. */ 424 __u32 handle; 425 __u32 pad; 426 /** Offset in the object to map. */ 427 __u64 offset; 428 /** 429 * Length of data to map. 430 * 431 * The value will be page-aligned. 432 */ 433 __u64 size; 434 /** 435 * Returned pointer the data was mapped at. 436 * 437 * This is a fixed-size type for 32/64 compatibility. 438 */ 439 __u64 addr_ptr; 440 }; 441 442 struct drm_i915_gem_mmap_gtt { 443 /** Handle for the object being mapped. */ 444 __u32 handle; 445 __u32 pad; 446 /** 447 * Fake offset to use for subsequent mmap call 448 * 449 * This is a fixed-size type for 32/64 compatibility. 450 */ 451 __u64 offset; 452 }; 453 454 struct drm_i915_gem_set_domain { 455 /** Handle for the object */ 456 __u32 handle; 457 458 /** New read domains */ 459 __u32 read_domains; 460 461 /** New write domain */ 462 __u32 write_domain; 463 }; 464 465 struct drm_i915_gem_sw_finish { 466 /** Handle for the object */ 467 __u32 handle; 468 }; 469 470 struct drm_i915_gem_relocation_entry { 471 /** 472 * Handle of the buffer being pointed to by this relocation entry. 473 * 474 * It's appealing to make this be an index into the mm_validate_entry 475 * list to refer to the buffer, but this allows the driver to create 476 * a relocation list for state buffers and not re-write it per 477 * exec using the buffer. 478 */ 479 __u32 target_handle; 480 481 /** 482 * Value to be added to the offset of the target buffer to make up 483 * the relocation entry. 484 */ 485 __u32 delta; 486 487 /** Offset in the buffer the relocation entry will be written into */ 488 __u64 offset; 489 490 /** 491 * Offset value of the target buffer that the relocation entry was last 492 * written as. 493 * 494 * If the buffer has the same offset as last time, we can skip syncing 495 * and writing the relocation. This value is written back out by 496 * the execbuffer ioctl when the relocation is written. 497 */ 498 __u64 presumed_offset; 499 500 /** 501 * Target memory domains read by this operation. 502 */ 503 __u32 read_domains; 504 505 /** 506 * Target memory domains written by this operation. 507 * 508 * Note that only one domain may be written by the whole 509 * execbuffer operation, so that where there are conflicts, 510 * the application will get -EINVAL back. 511 */ 512 __u32 write_domain; 513 }; 514 515 /** @{ 516 * Intel memory domains 517 * 518 * Most of these just align with the various caches in 519 * the system and are used to flush and invalidate as 520 * objects end up cached in different domains. 521 */ 522 /** CPU cache */ 523 #define I915_GEM_DOMAIN_CPU 0x00000001 524 /** Render cache, used by 2D and 3D drawing */ 525 #define I915_GEM_DOMAIN_RENDER 0x00000002 526 /** Sampler cache, used by texture engine */ 527 #define I915_GEM_DOMAIN_SAMPLER 0x00000004 528 /** Command queue, used to load batch buffers */ 529 #define I915_GEM_DOMAIN_COMMAND 0x00000008 530 /** Instruction cache, used by shader programs */ 531 #define I915_GEM_DOMAIN_INSTRUCTION 0x00000010 532 /** Vertex address cache */ 533 #define I915_GEM_DOMAIN_VERTEX 0x00000020 534 /** GTT domain - aperture and scanout */ 535 #define I915_GEM_DOMAIN_GTT 0x00000040 536 /** @} */ 537 538 struct drm_i915_gem_exec_object { 539 /** 540 * User's handle for a buffer to be bound into the GTT for this 541 * operation. 542 */ 543 __u32 handle; 544 545 /** Number of relocations to be performed on this buffer */ 546 __u32 relocation_count; 547 /** 548 * Pointer to array of struct drm_i915_gem_relocation_entry containing 549 * the relocations to be performed in this buffer. 550 */ 551 __u64 relocs_ptr; 552 553 /** Required alignment in graphics aperture */ 554 __u64 alignment; 555 556 /** 557 * Returned value of the updated offset of the object, for future 558 * presumed_offset writes. 559 */ 560 __u64 offset; 561 }; 562 563 struct drm_i915_gem_execbuffer { 564 /** 565 * List of buffers to be validated with their relocations to be 566 * performend on them. 567 * 568 * This is a pointer to an array of struct drm_i915_gem_validate_entry. 569 * 570 * These buffers must be listed in an order such that all relocations 571 * a buffer is performing refer to buffers that have already appeared 572 * in the validate list. 573 */ 574 __u64 buffers_ptr; 575 __u32 buffer_count; 576 577 /** Offset in the batchbuffer to start execution from. */ 578 __u32 batch_start_offset; 579 /** Bytes used in batchbuffer from batch_start_offset */ 580 __u32 batch_len; 581 __u32 DR1; 582 __u32 DR4; 583 __u32 num_cliprects; 584 /** This is a struct drm_clip_rect *cliprects */ 585 __u64 cliprects_ptr; 586 }; 587 588 struct drm_i915_gem_exec_object2 { 589 /** 590 * User's handle for a buffer to be bound into the GTT for this 591 * operation. 592 */ 593 __u32 handle; 594 595 /** Number of relocations to be performed on this buffer */ 596 __u32 relocation_count; 597 /** 598 * Pointer to array of struct drm_i915_gem_relocation_entry containing 599 * the relocations to be performed in this buffer. 600 */ 601 __u64 relocs_ptr; 602 603 /** Required alignment in graphics aperture */ 604 __u64 alignment; 605 606 /** 607 * Returned value of the updated offset of the object, for future 608 * presumed_offset writes. 609 */ 610 __u64 offset; 611 612 #define EXEC_OBJECT_NEEDS_FENCE (1<<0) 613 __u64 flags; 614 __u64 rsvd1; 615 __u64 rsvd2; 616 }; 617 618 struct drm_i915_gem_execbuffer2 { 619 /** 620 * List of gem_exec_object2 structs 621 */ 622 __u64 buffers_ptr; 623 __u32 buffer_count; 624 625 /** Offset in the batchbuffer to start execution from. */ 626 __u32 batch_start_offset; 627 /** Bytes used in batchbuffer from batch_start_offset */ 628 __u32 batch_len; 629 __u32 DR1; 630 __u32 DR4; 631 __u32 num_cliprects; 632 /** This is a struct drm_clip_rect *cliprects */ 633 __u64 cliprects_ptr; 634 #define I915_EXEC_RING_MASK (7<<0) 635 #define I915_EXEC_DEFAULT (0<<0) 636 #define I915_EXEC_RENDER (1<<0) 637 #define I915_EXEC_BSD (2<<0) 638 #define I915_EXEC_BLT (3<<0) 639 640 /* Used for switching the constants addressing mode on gen4+ RENDER ring. 641 * Gen6+ only supports relative addressing to dynamic state (default) and 642 * absolute addressing. 643 * 644 * These flags are ignored for the BSD and BLT rings. 645 */ 646 #define I915_EXEC_CONSTANTS_MASK (3<<6) 647 #define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */ 648 #define I915_EXEC_CONSTANTS_ABSOLUTE (1<<6) 649 #define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */ 650 __u64 flags; 651 __u64 rsvd1; 652 __u64 rsvd2; 653 }; 654 655 struct drm_i915_gem_pin { 656 /** Handle of the buffer to be pinned. */ 657 __u32 handle; 658 __u32 pad; 659 660 /** alignment required within the aperture */ 661 __u64 alignment; 662 663 /** Returned GTT offset of the buffer. */ 664 __u64 offset; 665 }; 666 667 struct drm_i915_gem_unpin { 668 /** Handle of the buffer to be unpinned. */ 669 __u32 handle; 670 __u32 pad; 671 }; 672 673 struct drm_i915_gem_busy { 674 /** Handle of the buffer to check for busy */ 675 __u32 handle; 676 677 /** Return busy status (1 if busy, 0 if idle) */ 678 __u32 busy; 679 }; 680 681 #define I915_TILING_NONE 0 682 #define I915_TILING_X 1 683 #define I915_TILING_Y 2 684 685 #define I915_BIT_6_SWIZZLE_NONE 0 686 #define I915_BIT_6_SWIZZLE_9 1 687 #define I915_BIT_6_SWIZZLE_9_10 2 688 #define I915_BIT_6_SWIZZLE_9_11 3 689 #define I915_BIT_6_SWIZZLE_9_10_11 4 690 /* Not seen by userland */ 691 #define I915_BIT_6_SWIZZLE_UNKNOWN 5 692 /* Seen by userland. */ 693 #define I915_BIT_6_SWIZZLE_9_17 6 694 #define I915_BIT_6_SWIZZLE_9_10_17 7 695 696 struct drm_i915_gem_set_tiling { 697 /** Handle of the buffer to have its tiling state updated */ 698 __u32 handle; 699 700 /** 701 * Tiling mode for the object (I915_TILING_NONE, I915_TILING_X, 702 * I915_TILING_Y). 703 * 704 * This value is to be set on request, and will be updated by the 705 * kernel on successful return with the actual chosen tiling layout. 706 * 707 * The tiling mode may be demoted to I915_TILING_NONE when the system 708 * has bit 6 swizzling that can't be managed correctly by GEM. 709 * 710 * Buffer contents become undefined when changing tiling_mode. 711 */ 712 __u32 tiling_mode; 713 714 /** 715 * Stride in bytes for the object when in I915_TILING_X or 716 * I915_TILING_Y. 717 */ 718 __u32 stride; 719 720 /** 721 * Returned address bit 6 swizzling required for CPU access through 722 * mmap mapping. 723 */ 724 __u32 swizzle_mode; 725 }; 726 727 struct drm_i915_gem_get_tiling { 728 /** Handle of the buffer to get tiling state for. */ 729 __u32 handle; 730 731 /** 732 * Current tiling mode for the object (I915_TILING_NONE, I915_TILING_X, 733 * I915_TILING_Y). 734 */ 735 __u32 tiling_mode; 736 737 /** 738 * Returned address bit 6 swizzling required for CPU access through 739 * mmap mapping. 740 */ 741 __u32 swizzle_mode; 742 }; 743 744 struct drm_i915_gem_get_aperture { 745 /** Total size of the aperture used by i915_gem_execbuffer, in bytes */ 746 __u64 aper_size; 747 748 /** 749 * Available space in the aperture used by i915_gem_execbuffer, in 750 * bytes 751 */ 752 __u64 aper_available_size; 753 }; 754 755 struct drm_i915_get_pipe_from_crtc_id { 756 /** ID of CRTC being requested **/ 757 __u32 crtc_id; 758 759 /** pipe of requested CRTC **/ 760 __u32 pipe; 761 }; 762 763 #define I915_MADV_WILLNEED 0 764 #define I915_MADV_DONTNEED 1 765 #define __I915_MADV_PURGED 2 /* internal state */ 766 767 struct drm_i915_gem_madvise { 768 /** Handle of the buffer to change the backing store advice */ 769 __u32 handle; 770 771 /* Advice: either the buffer will be needed again in the near future, 772 * or wont be and could be discarded under memory pressure. 773 */ 774 __u32 madv; 775 776 /** Whether the backing store still exists. */ 777 __u32 retained; 778 }; 779 780 /* flags */ 781 #define I915_OVERLAY_TYPE_MASK 0xff 782 #define I915_OVERLAY_YUV_PLANAR 0x01 783 #define I915_OVERLAY_YUV_PACKED 0x02 784 #define I915_OVERLAY_RGB 0x03 785 786 #define I915_OVERLAY_DEPTH_MASK 0xff00 787 #define I915_OVERLAY_RGB24 0x1000 788 #define I915_OVERLAY_RGB16 0x2000 789 #define I915_OVERLAY_RGB15 0x3000 790 #define I915_OVERLAY_YUV422 0x0100 791 #define I915_OVERLAY_YUV411 0x0200 792 #define I915_OVERLAY_YUV420 0x0300 793 #define I915_OVERLAY_YUV410 0x0400 794 795 #define I915_OVERLAY_SWAP_MASK 0xff0000 796 #define I915_OVERLAY_NO_SWAP 0x000000 797 #define I915_OVERLAY_UV_SWAP 0x010000 798 #define I915_OVERLAY_Y_SWAP 0x020000 799 #define I915_OVERLAY_Y_AND_UV_SWAP 0x030000 800 801 #define I915_OVERLAY_FLAGS_MASK 0xff000000 802 #define I915_OVERLAY_ENABLE 0x01000000 803 804 struct drm_intel_overlay_put_image { 805 /* various flags and src format description */ 806 __u32 flags; 807 /* source picture description */ 808 __u32 bo_handle; 809 /* stride values and offsets are in bytes, buffer relative */ 810 __u16 stride_Y; /* stride for packed formats */ 811 __u16 stride_UV; 812 __u32 offset_Y; /* offset for packet formats */ 813 __u32 offset_U; 814 __u32 offset_V; 815 /* in pixels */ 816 __u16 src_width; 817 __u16 src_height; 818 /* to compensate the scaling factors for partially covered surfaces */ 819 __u16 src_scan_width; 820 __u16 src_scan_height; 821 /* output crtc description */ 822 __u32 crtc_id; 823 __u16 dst_x; 824 __u16 dst_y; 825 __u16 dst_width; 826 __u16 dst_height; 827 }; 828 829 /* flags */ 830 #define I915_OVERLAY_UPDATE_ATTRS (1<<0) 831 #define I915_OVERLAY_UPDATE_GAMMA (1<<1) 832 struct drm_intel_overlay_attrs { 833 __u32 flags; 834 __u32 color_key; 835 __s32 brightness; 836 __u32 contrast; 837 __u32 saturation; 838 __u32 gamma0; 839 __u32 gamma1; 840 __u32 gamma2; 841 __u32 gamma3; 842 __u32 gamma4; 843 __u32 gamma5; 844 }; 845 846 #endif /* _I915_DRM_H_ */ 847