2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
3 * Copyright 2010 Marek Olšák <maraeo@gmail.com>
4 * Copyright 2018 Advanced Micro Devices, Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * on the rights to use, copy, modify, merge, publish, distribute, sub
11 * license, and/or sell copies of the Software, and to permit persons to whom
12 * the Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
26 #ifndef RADEON_WINSYS_H
27 #define RADEON_WINSYS_H
29 /* The public winsys interface header for the radeon driver. */
31 /* Whether the next IB can start immediately and not wait for draws and
32 * dispatches from the current IB to finish. */
33 #define RADEON_FLUSH_START_NEXT_GFX_IB_NOW (1u << 31)
35 #define RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW \
36 (PIPE_FLUSH_ASYNC | RADEON_FLUSH_START_NEXT_GFX_IB_NOW)
38 #include "pipebuffer/pb_buffer.h"
40 #include "amd/common/ac_gpu_info.h"
41 #include "amd/common/ac_surface.h"
44 enum radeon_bo_layout
{
45 RADEON_LAYOUT_LINEAR
= 0,
47 RADEON_LAYOUT_SQUARETILED
,
52 enum radeon_bo_domain
{ /* bitfield */
53 RADEON_DOMAIN_GTT
= 2,
54 RADEON_DOMAIN_VRAM
= 4,
55 RADEON_DOMAIN_VRAM_GTT
= RADEON_DOMAIN_VRAM
| RADEON_DOMAIN_GTT
,
56 RADEON_DOMAIN_GDS
= 8,
57 RADEON_DOMAIN_OA
= 16,
60 enum radeon_bo_flag
{ /* bitfield */
61 RADEON_FLAG_GTT_WC
= (1 << 0),
62 RADEON_FLAG_NO_CPU_ACCESS
= (1 << 1),
63 RADEON_FLAG_NO_SUBALLOC
= (1 << 2),
64 RADEON_FLAG_SPARSE
= (1 << 3),
65 RADEON_FLAG_NO_INTERPROCESS_SHARING
= (1 << 4),
66 RADEON_FLAG_READ_ONLY
= (1 << 5),
67 RADEON_FLAG_32BIT
= (1 << 6),
70 enum radeon_dependency_flag
{
71 /* Add the dependency to the parallel compute IB only. */
72 RADEON_DEPENDENCY_PARALLEL_COMPUTE_ONLY
= 1 << 0,
74 /* Instead of waiting for a job to finish execution, the dependency will
75 * be signaled when the job starts execution.
77 RADEON_DEPENDENCY_START_FENCE
= 1 << 1,
80 enum radeon_bo_usage
{ /* bitfield */
81 RADEON_USAGE_READ
= 2,
82 RADEON_USAGE_WRITE
= 4,
83 RADEON_USAGE_READWRITE
= RADEON_USAGE_READ
| RADEON_USAGE_WRITE
,
85 /* The winsys ensures that the CS submission will be scheduled after
86 * previously flushed CSs referencing this BO in a conflicting way.
88 RADEON_USAGE_SYNCHRONIZED
= 8
91 enum radeon_transfer_flags
{
92 /* Indicates that the caller will unmap the buffer.
94 * Not unmapping buffers is an important performance optimization for
95 * OpenGL (avoids kernel overhead for frequently mapped buffers).
97 RADEON_TRANSFER_TEMPORARY
= (PIPE_TRANSFER_DRV_PRV
<< 0),
100 #define RADEON_SPARSE_PAGE_SIZE (64 * 1024)
115 enum radeon_value_id
{
116 RADEON_REQUESTED_VRAM_MEMORY
,
117 RADEON_REQUESTED_GTT_MEMORY
,
120 RADEON_BUFFER_WAIT_TIME_NS
,
121 RADEON_NUM_MAPPED_BUFFERS
,
125 RADEON_GFX_BO_LIST_COUNTER
, /* number of BOs submitted in gfx IBs */
126 RADEON_GFX_IB_SIZE_COUNTER
,
127 RADEON_NUM_BYTES_MOVED
,
128 RADEON_NUM_EVICTIONS
,
129 RADEON_NUM_VRAM_CPU_PAGE_FAULTS
,
131 RADEON_VRAM_VIS_USAGE
,
133 RADEON_GPU_TEMPERATURE
, /* DRM 2.42.0 */
136 RADEON_CS_THREAD_TIME
,
139 enum radeon_bo_priority
{
140 /* Each group of two has the same priority. */
141 RADEON_PRIO_FENCE
= 0,
144 RADEON_PRIO_SO_FILLED_SIZE
= 2,
147 RADEON_PRIO_IB1
= 4, /* main IB submitted to the kernel */
148 RADEON_PRIO_IB2
, /* IB executed with INDIRECT_BUFFER */
150 RADEON_PRIO_DRAW_INDIRECT
= 6,
151 RADEON_PRIO_INDEX_BUFFER
,
153 RADEON_PRIO_CP_DMA
= 8,
154 RADEON_PRIO_BORDER_COLORS
,
156 RADEON_PRIO_CONST_BUFFER
= 10,
157 RADEON_PRIO_DESCRIPTORS
,
159 RADEON_PRIO_SAMPLER_BUFFER
= 12,
160 RADEON_PRIO_VERTEX_BUFFER
,
162 RADEON_PRIO_SHADER_RW_BUFFER
= 14,
163 RADEON_PRIO_COMPUTE_GLOBAL
,
165 RADEON_PRIO_SAMPLER_TEXTURE
= 16,
166 RADEON_PRIO_SHADER_RW_IMAGE
,
168 RADEON_PRIO_SAMPLER_TEXTURE_MSAA
= 18,
169 RADEON_PRIO_COLOR_BUFFER
,
171 RADEON_PRIO_DEPTH_BUFFER
= 20,
173 RADEON_PRIO_COLOR_BUFFER_MSAA
= 22,
175 RADEON_PRIO_DEPTH_BUFFER_MSAA
= 24,
177 RADEON_PRIO_SEPARATE_META
= 26,
178 RADEON_PRIO_SHADER_BINARY
, /* the hw can't hide instruction cache misses */
180 RADEON_PRIO_SHADER_RINGS
= 28,
182 RADEON_PRIO_SCRATCH_BUFFER
= 30,
183 /* 31 is the maximum value */
186 struct winsys_handle
;
187 struct radeon_winsys_ctx
;
189 struct radeon_cmdbuf_chunk
{
190 unsigned cdw
; /* Number of used dwords. */
191 unsigned max_dw
; /* Maximum number of dwords. */
192 uint32_t *buf
; /* The base pointer of the chunk. */
195 struct radeon_cmdbuf
{
196 struct radeon_cmdbuf_chunk current
;
197 struct radeon_cmdbuf_chunk
*prev
;
198 unsigned num_prev
; /* Number of previous chunks. */
199 unsigned max_prev
; /* Space in array pointed to by prev. */
200 unsigned prev_dw
; /* Total number of dwords in previous chunks. */
202 /* Memory usage of the buffer list. These are always 0 for preamble IBs. */
205 uint64_t gpu_address
;
208 /* Tiling info for display code, DRI sharing, and other data. */
209 struct radeon_bo_metadata
{
210 /* Tiling flags describing the texture layout for display code
215 enum radeon_bo_layout microtile
;
216 enum radeon_bo_layout macrotile
;
217 unsigned pipe_config
;
229 unsigned swizzle_mode
:5;
232 /* [31:8]: max offset = 4GB - 256; 0 = DCC disabled */
233 unsigned dcc_offset_256B
:24;
234 unsigned dcc_pitch_max
:14; /* (mip chain pitch - 1) for DCN */
235 unsigned dcc_independent_64B
:1;
239 /* Additional metadata associated with the buffer, in bytes.
240 * The maximum size is 64 * 4. This is opaque for the winsys & kernel.
241 * Supported by amdgpu only.
243 uint32_t size_metadata
;
244 uint32_t metadata
[64];
247 enum radeon_feature_id
{
248 RADEON_FID_R300_HYPERZ_ACCESS
, /* ZMask + HiZ */
249 RADEON_FID_R300_CMASK_ACCESS
,
252 struct radeon_bo_list_item
{
255 uint32_t priority_usage
; /* mask of (1 << RADEON_PRIO_*) */
258 struct radeon_winsys
{
260 * The screen object this winsys was created for
262 struct pipe_screen
*screen
;
265 * Decrement the winsys reference count.
267 * \param ws The winsys this function is called for.
268 * \return True if the winsys and screen should be destroyed.
270 bool (*unref
)(struct radeon_winsys
*ws
);
273 * Destroy this winsys.
275 * \param ws The winsys this function is called from.
277 void (*destroy
)(struct radeon_winsys
*ws
);
280 * Query an info structure from winsys.
282 * \param ws The winsys this function is called from.
283 * \param info Return structure
285 void (*query_info
)(struct radeon_winsys
*ws
,
286 struct radeon_info
*info
);
289 * A hint for the winsys that it should pin its execution threads to
290 * a group of cores sharing a specific L3 cache if the CPU has multiple
291 * L3 caches. This is needed for good multithreading performance on
294 void (*pin_threads_to_L3_cache
)(struct radeon_winsys
*ws
, unsigned cache
);
296 /**************************************************************************
297 * Buffer management. Buffer attributes are mostly fixed over its lifetime.
299 * Remember that gallium gets to choose the interface it needs, and the
300 * window systems must then implement that interface (rather than the
301 * other way around...).
302 *************************************************************************/
305 * Create a buffer object.
307 * \param ws The winsys this function is called from.
308 * \param size The size to allocate.
309 * \param alignment An alignment of the buffer in memory.
310 * \param use_reusable_pool Whether the cache buffer manager should be used.
311 * \param domain A bitmask of the RADEON_DOMAIN_* flags.
312 * \return The created buffer object.
314 struct pb_buffer
*(*buffer_create
)(struct radeon_winsys
*ws
,
317 enum radeon_bo_domain domain
,
318 enum radeon_bo_flag flags
);
321 * Map the entire data store of a buffer object into the client's address
324 * Callers are expected to unmap buffers again if and only if the
325 * RADEON_TRANSFER_TEMPORARY flag is set in \p usage.
327 * \param buf A winsys buffer object to map.
328 * \param cs A command stream to flush if the buffer is referenced by it.
329 * \param usage A bitmask of the PIPE_TRANSFER_* and RADEON_TRANSFER_* flags.
330 * \return The pointer at the beginning of the buffer.
332 void *(*buffer_map
)(struct pb_buffer
*buf
,
333 struct radeon_cmdbuf
*cs
,
334 enum pipe_transfer_usage usage
);
337 * Unmap a buffer object from the client's address space.
339 * \param buf A winsys buffer object to unmap.
341 void (*buffer_unmap
)(struct pb_buffer
*buf
);
344 * Wait for the buffer and return true if the buffer is not used
347 * The timeout of 0 will only return the status.
348 * The timeout of PIPE_TIMEOUT_INFINITE will always wait until the buffer
351 bool (*buffer_wait
)(struct pb_buffer
*buf
, uint64_t timeout
,
352 enum radeon_bo_usage usage
);
355 * Return buffer metadata.
356 * (tiling info for display code, DRI sharing, and other data)
358 * \param buf A winsys buffer object to get the flags from.
361 void (*buffer_get_metadata
)(struct pb_buffer
*buf
,
362 struct radeon_bo_metadata
*md
);
365 * Set buffer metadata.
366 * (tiling info for display code, DRI sharing, and other data)
368 * \param buf A winsys buffer object to set the flags for.
371 void (*buffer_set_metadata
)(struct pb_buffer
*buf
,
372 struct radeon_bo_metadata
*md
);
375 * Get a winsys buffer from a winsys handle. The internal structure
376 * of the handle is platform-specific and only a winsys should access it.
378 * \param ws The winsys this function is called from.
379 * \param whandle A winsys handle pointer as was received from a state
382 struct pb_buffer
*(*buffer_from_handle
)(struct radeon_winsys
*ws
,
383 struct winsys_handle
*whandle
,
384 unsigned vm_alignment
);
387 * Get a winsys buffer from a user pointer. The resulting buffer can't
388 * be exported. Both pointer and size must be page aligned.
390 * \param ws The winsys this function is called from.
391 * \param pointer User pointer to turn into a buffer object.
392 * \param Size Size in bytes for the new buffer.
394 struct pb_buffer
*(*buffer_from_ptr
)(struct radeon_winsys
*ws
,
395 void *pointer
, uint64_t size
);
398 * Whether the buffer was created from a user pointer.
400 * \param buf A winsys buffer object
401 * \return whether \p buf was created via buffer_from_ptr
403 bool (*buffer_is_user_ptr
)(struct pb_buffer
*buf
);
405 /** Whether the buffer was suballocated. */
406 bool (*buffer_is_suballocated
)(struct pb_buffer
*buf
);
409 * Get a winsys handle from a winsys buffer. The internal structure
410 * of the handle is platform-specific and only a winsys should access it.
412 * \param ws The winsys instance for which the handle is to be valid
413 * \param buf A winsys buffer object to get the handle from.
414 * \param whandle A winsys handle pointer.
415 * \param stride A stride of the buffer in bytes, for texturing.
416 * \return true on success.
418 bool (*buffer_get_handle
)(struct radeon_winsys
*ws
,
419 struct pb_buffer
*buf
,
420 unsigned stride
, unsigned offset
,
422 struct winsys_handle
*whandle
);
425 * Change the commitment of a (64KB-page aligned) region of the given
428 * \warning There is no automatic synchronization with command submission.
430 * \note Only implemented by the amdgpu winsys.
432 * \return false on out of memory or other failure, true on success.
434 bool (*buffer_commit
)(struct pb_buffer
*buf
,
435 uint64_t offset
, uint64_t size
,
439 * Return the virtual address of a buffer.
441 * When virtual memory is not in use, this is the offset relative to the
442 * relocation base (non-zero for sub-allocated buffers).
444 * \param buf A winsys buffer object
445 * \return virtual address
447 uint64_t (*buffer_get_virtual_address
)(struct pb_buffer
*buf
);
450 * Return the offset of this buffer relative to the relocation base.
451 * This is only non-zero for sub-allocated buffers.
453 * This is only supported in the radeon winsys, since amdgpu uses virtual
454 * addresses in submissions even for the video engines.
456 * \param buf A winsys buffer object
457 * \return the offset for relocations
459 unsigned (*buffer_get_reloc_offset
)(struct pb_buffer
*buf
);
462 * Query the initial placement of the buffer from the kernel driver.
464 enum radeon_bo_domain (*buffer_get_initial_domain
)(struct pb_buffer
*buf
);
466 /**************************************************************************
467 * Command submission.
469 * Each pipe context should create its own command stream and submit
470 * commands independently of other contexts.
471 *************************************************************************/
474 * Create a command submission context.
475 * Various command streams can be submitted to the same context.
477 struct radeon_winsys_ctx
*(*ctx_create
)(struct radeon_winsys
*ws
);
482 void (*ctx_destroy
)(struct radeon_winsys_ctx
*ctx
);
485 * Query a GPU reset status.
487 enum pipe_reset_status (*ctx_query_reset_status
)(struct radeon_winsys_ctx
*ctx
);
490 * Create a command stream.
492 * \param ctx The submission context
493 * \param ring_type The ring type (GFX, DMA, UVD)
494 * \param flush Flush callback function associated with the command stream.
495 * \param user User pointer that will be passed to the flush callback.
497 struct radeon_cmdbuf
*(*cs_create
)(struct radeon_winsys_ctx
*ctx
,
498 enum ring_type ring_type
,
499 void (*flush
)(void *ctx
, unsigned flags
,
500 struct pipe_fence_handle
**fence
),
502 bool stop_exec_on_failure
);
505 * Add a parallel compute IB to a gfx IB. It will share the buffer list
506 * and fence dependencies with the gfx IB. The gfx flush call will submit
507 * both IBs at the same time.
509 * The compute IB doesn't have an output fence, so the primary IB has
510 * to use a wait packet for synchronization.
512 * The returned IB is only a stream for writing packets to the new
513 * IB. Calling other winsys functions with it is not allowed, not even
514 * "cs_destroy". Use the gfx IB instead.
518 struct radeon_cmdbuf
*(*cs_add_parallel_compute_ib
)(struct radeon_cmdbuf
*cs
,
519 bool uses_gds_ordered_append
);
522 * Destroy a command stream.
524 * \param cs A command stream to destroy.
526 void (*cs_destroy
)(struct radeon_cmdbuf
*cs
);
529 * Add a buffer. Each buffer used by a CS must be added using this function.
531 * \param cs Command stream
533 * \param usage Whether the buffer is used for read and/or write.
534 * \param domain Bitmask of the RADEON_DOMAIN_* flags.
535 * \param priority A higher number means a greater chance of being
536 * placed in the requested domain. 15 is the maximum.
537 * \return Buffer index.
539 unsigned (*cs_add_buffer
)(struct radeon_cmdbuf
*cs
,
540 struct pb_buffer
*buf
,
541 enum radeon_bo_usage usage
,
542 enum radeon_bo_domain domain
,
543 enum radeon_bo_priority priority
);
546 * Return the index of an already-added buffer.
548 * Not supported on amdgpu. Drivers with GPUVM should not care about
551 * \param cs Command stream
553 * \return The buffer index, or -1 if the buffer has not been added.
555 int (*cs_lookup_buffer
)(struct radeon_cmdbuf
*cs
,
556 struct pb_buffer
*buf
);
559 * Return true if there is enough memory in VRAM and GTT for the buffers
560 * added so far. If the validation fails, all buffers which have
561 * been added since the last call of cs_validate will be removed and
562 * the CS will be flushed (provided there are still any buffers).
564 * \param cs A command stream to validate.
566 bool (*cs_validate
)(struct radeon_cmdbuf
*cs
);
569 * Check whether the given number of dwords is available in the IB.
570 * Optionally chain a new chunk of the IB if necessary and supported.
572 * \param cs A command stream.
573 * \param dw Number of CS dwords requested by the caller.
574 * \param force_chaining Chain the IB into a new buffer now to discard
575 * the CP prefetch cache (to emulate PKT3_REWIND)
576 * \return true if there is enough space
578 bool (*cs_check_space
)(struct radeon_cmdbuf
*cs
, unsigned dw
,
579 bool force_chaining
);
582 * Return the buffer list.
584 * This is the buffer list as passed to the kernel, i.e. it only contains
585 * the parent buffers of sub-allocated buffers.
587 * \param cs Command stream
588 * \param list Returned buffer list. Set to NULL to query the count only.
589 * \return The buffer count.
591 unsigned (*cs_get_buffer_list
)(struct radeon_cmdbuf
*cs
,
592 struct radeon_bo_list_item
*list
);
595 * Flush a command stream.
597 * \param cs A command stream to flush.
598 * \param flags, PIPE_FLUSH_* flags.
599 * \param fence Pointer to a fence. If non-NULL, a fence is inserted
600 * after the CS and is returned through this parameter.
601 * \return Negative POSIX error code or 0 for success.
602 * Asynchronous submissions never return an error.
604 int (*cs_flush
)(struct radeon_cmdbuf
*cs
,
606 struct pipe_fence_handle
**fence
);
609 * Create a fence before the CS is flushed.
610 * The user must flush manually to complete the initializaton of the fence.
612 * The fence must not be used for anything except \ref cs_add_fence_dependency
615 struct pipe_fence_handle
*(*cs_get_next_fence
)(struct radeon_cmdbuf
*cs
);
618 * Return true if a buffer is referenced by a command stream.
620 * \param cs A command stream.
621 * \param buf A winsys buffer.
623 bool (*cs_is_buffer_referenced
)(struct radeon_cmdbuf
*cs
,
624 struct pb_buffer
*buf
,
625 enum radeon_bo_usage usage
);
628 * Request access to a feature for a command stream.
630 * \param cs A command stream.
631 * \param fid Feature ID, one of RADEON_FID_*
632 * \param enable Whether to enable or disable the feature.
634 bool (*cs_request_feature
)(struct radeon_cmdbuf
*cs
,
635 enum radeon_feature_id fid
,
638 * Make sure all asynchronous flush of the cs have completed
640 * \param cs A command stream.
642 void (*cs_sync_flush
)(struct radeon_cmdbuf
*cs
);
645 * Add a fence dependency to the CS, so that the CS will wait for
646 * the fence before execution.
648 * \param dependency_flags Bitmask of RADEON_DEPENDENCY_*
650 void (*cs_add_fence_dependency
)(struct radeon_cmdbuf
*cs
,
651 struct pipe_fence_handle
*fence
,
652 unsigned dependency_flags
);
655 * Signal a syncobj when the CS finishes execution.
657 void (*cs_add_syncobj_signal
)(struct radeon_cmdbuf
*cs
,
658 struct pipe_fence_handle
*fence
);
661 * Wait for the fence and return true if the fence has been signalled.
662 * The timeout of 0 will only return the status.
663 * The timeout of PIPE_TIMEOUT_INFINITE will always wait until the fence
666 bool (*fence_wait
)(struct radeon_winsys
*ws
,
667 struct pipe_fence_handle
*fence
,
671 * Reference counting for fences.
673 void (*fence_reference
)(struct pipe_fence_handle
**dst
,
674 struct pipe_fence_handle
*src
);
677 * Create a new fence object corresponding to the given syncobj fd.
679 struct pipe_fence_handle
*(*fence_import_syncobj
)(struct radeon_winsys
*ws
,
683 * Create a new fence object corresponding to the given sync_file.
685 struct pipe_fence_handle
*(*fence_import_sync_file
)(struct radeon_winsys
*ws
,
689 * Return a sync_file FD corresponding to the given fence object.
691 int (*fence_export_sync_file
)(struct radeon_winsys
*ws
,
692 struct pipe_fence_handle
*fence
);
695 * Return a sync file FD that is already signalled.
697 int (*export_signalled_sync_file
)(struct radeon_winsys
*ws
);
702 * \param ws The winsys this function is called from.
703 * \param tex Input texture description
704 * \param flags Bitmask of RADEON_SURF_* flags
705 * \param bpe Bytes per pixel, it can be different for Z buffers.
706 * \param mode Preferred tile mode. (linear, 1D, or 2D)
707 * \param surf Output structure
709 int (*surface_init
)(struct radeon_winsys
*ws
,
710 const struct pipe_resource
*tex
,
711 unsigned flags
, unsigned bpe
,
712 enum radeon_surf_mode mode
,
713 struct radeon_surf
*surf
);
715 uint64_t (*query_value
)(struct radeon_winsys
*ws
,
716 enum radeon_value_id value
);
718 bool (*read_registers
)(struct radeon_winsys
*ws
, unsigned reg_offset
,
719 unsigned num_registers
, uint32_t *out
);
722 static inline bool radeon_emitted(struct radeon_cmdbuf
*cs
, unsigned num_dw
)
724 return cs
&& (cs
->prev_dw
+ cs
->current
.cdw
> num_dw
);
727 static inline void radeon_emit(struct radeon_cmdbuf
*cs
, uint32_t value
)
729 cs
->current
.buf
[cs
->current
.cdw
++] = value
;
732 static inline void radeon_emit_array(struct radeon_cmdbuf
*cs
,
733 const uint32_t *values
, unsigned count
)
735 memcpy(cs
->current
.buf
+ cs
->current
.cdw
, values
, count
* 4);
736 cs
->current
.cdw
+= count
;
740 RADEON_HEAP_VRAM_NO_CPU_ACCESS
,
741 RADEON_HEAP_VRAM_READ_ONLY
,
742 RADEON_HEAP_VRAM_READ_ONLY_32BIT
,
743 RADEON_HEAP_VRAM_32BIT
,
746 RADEON_HEAP_GTT_WC_READ_ONLY
,
747 RADEON_HEAP_GTT_WC_READ_ONLY_32BIT
,
748 RADEON_HEAP_GTT_WC_32BIT
,
750 RADEON_MAX_SLAB_HEAPS
,
751 RADEON_MAX_CACHED_HEAPS
= RADEON_MAX_SLAB_HEAPS
,
754 static inline enum radeon_bo_domain
radeon_domain_from_heap(enum radeon_heap heap
)
757 case RADEON_HEAP_VRAM_NO_CPU_ACCESS
:
758 case RADEON_HEAP_VRAM_READ_ONLY
:
759 case RADEON_HEAP_VRAM_READ_ONLY_32BIT
:
760 case RADEON_HEAP_VRAM_32BIT
:
761 case RADEON_HEAP_VRAM
:
762 return RADEON_DOMAIN_VRAM
;
763 case RADEON_HEAP_GTT_WC
:
764 case RADEON_HEAP_GTT_WC_READ_ONLY
:
765 case RADEON_HEAP_GTT_WC_READ_ONLY_32BIT
:
766 case RADEON_HEAP_GTT_WC_32BIT
:
767 case RADEON_HEAP_GTT
:
768 return RADEON_DOMAIN_GTT
;
771 return (enum radeon_bo_domain
)0;
775 static inline unsigned radeon_flags_from_heap(enum radeon_heap heap
)
777 unsigned flags
= RADEON_FLAG_NO_INTERPROCESS_SHARING
|
778 (heap
!= RADEON_HEAP_GTT
? RADEON_FLAG_GTT_WC
: 0);
781 case RADEON_HEAP_VRAM_NO_CPU_ACCESS
:
783 RADEON_FLAG_NO_CPU_ACCESS
;
785 case RADEON_HEAP_VRAM_READ_ONLY
:
786 case RADEON_HEAP_GTT_WC_READ_ONLY
:
788 RADEON_FLAG_READ_ONLY
;
790 case RADEON_HEAP_VRAM_READ_ONLY_32BIT
:
791 case RADEON_HEAP_GTT_WC_READ_ONLY_32BIT
:
793 RADEON_FLAG_READ_ONLY
|
796 case RADEON_HEAP_VRAM_32BIT
:
797 case RADEON_HEAP_GTT_WC_32BIT
:
801 case RADEON_HEAP_VRAM
:
802 case RADEON_HEAP_GTT_WC
:
803 case RADEON_HEAP_GTT
:
809 /* Return the heap index for winsys allocators, or -1 on failure. */
810 static inline int radeon_get_heap_index(enum radeon_bo_domain domain
,
811 enum radeon_bo_flag flags
)
813 /* VRAM implies WC (write combining) */
814 assert(!(domain
& RADEON_DOMAIN_VRAM
) || flags
& RADEON_FLAG_GTT_WC
);
815 /* NO_CPU_ACCESS implies VRAM only. */
816 assert(!(flags
& RADEON_FLAG_NO_CPU_ACCESS
) || domain
== RADEON_DOMAIN_VRAM
);
818 /* Resources with interprocess sharing don't use any winsys allocators. */
819 if (!(flags
& RADEON_FLAG_NO_INTERPROCESS_SHARING
))
822 /* Unsupported flags: NO_SUBALLOC, SPARSE. */
823 if (flags
& ~(RADEON_FLAG_GTT_WC
|
824 RADEON_FLAG_NO_CPU_ACCESS
|
825 RADEON_FLAG_NO_INTERPROCESS_SHARING
|
826 RADEON_FLAG_READ_ONLY
|
831 case RADEON_DOMAIN_VRAM
:
832 switch (flags
& (RADEON_FLAG_NO_CPU_ACCESS
|
833 RADEON_FLAG_READ_ONLY
|
834 RADEON_FLAG_32BIT
)) {
835 case RADEON_FLAG_NO_CPU_ACCESS
| RADEON_FLAG_READ_ONLY
| RADEON_FLAG_32BIT
:
836 case RADEON_FLAG_NO_CPU_ACCESS
| RADEON_FLAG_READ_ONLY
:
837 assert(!"NO_CPU_ACCESS | READ_ONLY doesn't make sense");
839 case RADEON_FLAG_NO_CPU_ACCESS
| RADEON_FLAG_32BIT
:
840 assert(!"NO_CPU_ACCESS with 32BIT is disallowed");
842 case RADEON_FLAG_NO_CPU_ACCESS
:
843 return RADEON_HEAP_VRAM_NO_CPU_ACCESS
;
844 case RADEON_FLAG_READ_ONLY
| RADEON_FLAG_32BIT
:
845 return RADEON_HEAP_VRAM_READ_ONLY_32BIT
;
846 case RADEON_FLAG_READ_ONLY
:
847 return RADEON_HEAP_VRAM_READ_ONLY
;
848 case RADEON_FLAG_32BIT
:
849 return RADEON_HEAP_VRAM_32BIT
;
851 return RADEON_HEAP_VRAM
;
854 case RADEON_DOMAIN_GTT
:
855 switch (flags
& (RADEON_FLAG_GTT_WC
|
856 RADEON_FLAG_READ_ONLY
|
857 RADEON_FLAG_32BIT
)) {
858 case RADEON_FLAG_GTT_WC
| RADEON_FLAG_READ_ONLY
| RADEON_FLAG_32BIT
:
859 return RADEON_HEAP_GTT_WC_READ_ONLY_32BIT
;
860 case RADEON_FLAG_GTT_WC
| RADEON_FLAG_READ_ONLY
:
861 return RADEON_HEAP_GTT_WC_READ_ONLY
;
862 case RADEON_FLAG_GTT_WC
| RADEON_FLAG_32BIT
:
863 return RADEON_HEAP_GTT_WC_32BIT
;
864 case RADEON_FLAG_GTT_WC
:
865 return RADEON_HEAP_GTT_WC
;
866 case RADEON_FLAG_READ_ONLY
| RADEON_FLAG_32BIT
:
867 case RADEON_FLAG_READ_ONLY
:
868 assert(!"READ_ONLY without WC is disallowed");
870 case RADEON_FLAG_32BIT
:
871 assert(!"32BIT without WC is disallowed");
874 return RADEON_HEAP_GTT
;