| /* |
| * Copyright (c) 2018 Intel Corporation |
| * |
| * 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, sublicense, |
| * 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 NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS 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 GEN_AUX_MAP_H |
| #define GEN_AUX_MAP_H |
| |
| #include "gen_buffer_alloc.h" |
| |
| #include "isl/isl.h" |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * Auxiliary surface mapping implementation |
| * |
| * These functions are implemented in common code shared by drivers. |
| */ |
| |
| struct gen_aux_map_context; |
| struct gen_device_info; |
| |
| struct gen_aux_map_context * |
| gen_aux_map_init(void *driver_ctx, |
| struct gen_mapped_pinned_buffer_alloc *buffer_alloc, |
| const struct gen_device_info *devinfo); |
| |
| void |
| gen_aux_map_finish(struct gen_aux_map_context *ctx); |
| |
| uint32_t |
| gen_aux_map_get_state_num(struct gen_aux_map_context *ctx); |
| |
| /** Returns the current number of buffers used by the aux-map tables |
| * |
| * When preparing to execute a new batch, use this function to determine how |
| * many buffers will be required. More buffers may be added by concurrent |
| * accesses of the aux-map functions, but they won't be required for since |
| * they involve surfaces not used by this batch. |
| */ |
| uint32_t |
| gen_aux_map_get_num_buffers(struct gen_aux_map_context *ctx); |
| |
| /** Fill an array of exec_object2 with aux-map buffer handles |
| * |
| * The gen_aux_map_get_num_buffers call should be made, then the driver can |
| * make sure the `obj` array is large enough before calling this function. |
| */ |
| void |
| gen_aux_map_fill_bos(struct gen_aux_map_context *ctx, void **driver_bos, |
| uint32_t max_bos); |
| |
| uint64_t |
| gen_aux_map_get_base(struct gen_aux_map_context *ctx); |
| |
| void |
| gen_aux_map_add_image(struct gen_aux_map_context *ctx, |
| const struct isl_surf *isl_surf, uint64_t address, |
| uint64_t aux_address); |
| |
| void |
| gen_aux_map_unmap_range(struct gen_aux_map_context *ctx, uint64_t address, |
| uint64_t size); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* GEN_AUX_MAP_H */ |