| /************************************************************************** |
| * |
| * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * |
| * Copyright 2014, 2015 Intel Corporation |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef _INTEL_BATCHBUFFER_H |
| #define _INTEL_BATCHBUFFER_H |
| |
| #include <stdint.h> |
| |
| #define MAX_RELOCS 64 |
| #define MAX_ITEMS 1024 |
| #define MAX_STRLEN 256 |
| |
| #define ALIGN(x, y) (((x) + (y)-1) & ~((y)-1)) |
| |
| typedef enum { |
| UNINITIALIZED, |
| CMD, |
| STATE, |
| RELOC, |
| RELOC_STATE, |
| STATE_OFFSET, |
| PAD, |
| } item_type; |
| |
| struct bb_item { |
| uint32_t data; |
| item_type type; |
| char str[MAX_STRLEN]; |
| }; |
| |
| struct bb_area { |
| struct bb_item item[MAX_ITEMS]; |
| unsigned long num_items; |
| }; |
| |
| struct intel_batchbuffer { |
| struct bb_area *cmds; |
| struct bb_area *state; |
| unsigned long cmds_end_offset; |
| unsigned long state_start_offset; |
| }; |
| |
| struct intel_batchbuffer *intel_batchbuffer_create(void); |
| |
| #define OUT_CMD_B(cmd, len, bias) intel_batch_cmd_emit_null(batch, (cmd), (len), (bias), #cmd " " #len) |
| #define OUT_CMD(cmd, len) OUT_CMD_B(cmd, len, 2) |
| |
| #define OUT_BATCH(d) bb_area_emit(batch->cmds, d, CMD, #d) |
| #define OUT_BATCH_STATE_OFFSET(d) bb_area_emit(batch->cmds, d, STATE_OFFSET, #d) |
| #define OUT_RELOC(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC, #d) |
| #define OUT_RELOC_STATE(batch, read_domain, write_domain, d) bb_area_emit(batch->cmds, d, RELOC_STATE, #d); |
| #define OUT_STATE(d) bb_area_emit(batch->state, d, STATE, #d) |
| #define OUT_STATE_OFFSET(offset) bb_area_emit(batch->state, offset, STATE_OFFSET, #offset) |
| #define OUT_STATE_STRUCT(name, align) intel_batch_state_copy(batch, &name, sizeof(name), align, #name " " #align) |
| |
| uint32_t intel_batch_state_copy(struct intel_batchbuffer *batch, const void *d, unsigned bytes, unsigned align, |
| const char *name); |
| uint32_t intel_batch_state_alloc(struct intel_batchbuffer *batch, unsigned bytes, unsigned align, |
| const char *name); |
| uint32_t intel_batch_state_offset(struct intel_batchbuffer *batch, unsigned align); |
| unsigned intel_batch_num_cmds(struct intel_batchbuffer *batch); |
| struct bb_item *intel_batch_state_get(struct intel_batchbuffer *batch, unsigned i); |
| unsigned intel_batch_num_state(struct intel_batchbuffer *batch); |
| |
| struct bb_item *intel_batch_cmd_get(struct intel_batchbuffer *batch, unsigned i); |
| int intel_batch_is_reloc(struct intel_batchbuffer *batch, unsigned i); |
| |
| void intel_batch_relocate_state(struct intel_batchbuffer *batch); |
| |
| const char *intel_batch_type_as_str(const struct bb_item *item); |
| |
| void bb_area_emit(struct bb_area *a, uint32_t dword, item_type type, const char *str); |
| void bb_area_emit_offset(struct bb_area *a, unsigned i, uint32_t dword, item_type type, const char *str); |
| |
| void intel_batch_cmd_emit_null(struct intel_batchbuffer *batch, |
| const int cmd, |
| const int len, const int len_bias, |
| const char *str); |
| #endif |