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* Copyright (c) 2018 Intel Corporation
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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#ifndef INTEL_AUX_MAP_H
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#define INTEL_AUX_MAP_H
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#include "intel_buffer_alloc.h"
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* Auxiliary surface mapping implementation
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* These functions are implemented in common code shared by drivers.
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struct intel_aux_map_context;
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struct intel_device_info;
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#define INTEL_AUX_MAP_ADDRESS_MASK 0x0000ffffffffff00ull
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#define INTEL_AUX_MAP_FORMAT_BITS_MASK 0xfff0000000000000ull
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#define INTEL_AUX_MAP_ENTRY_VALID_BIT 0x1ull
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#define INTEL_AUX_MAP_GFX12_CCS_SCALE 256
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#define INTEL_AUX_MAP_MAIN_PAGE_SIZE (64 * 1024)
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#define INTEL_AUX_MAP_AUX_PAGE_SIZE \
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(INTEL_AUX_MAP_MAIN_PAGE_SIZE / INTEL_AUX_MAP_GFX12_CCS_SCALE)
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struct intel_aux_map_context *
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intel_aux_map_init(void *driver_ctx,
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struct intel_mapped_pinned_buffer_alloc *buffer_alloc,
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const struct intel_device_info *devinfo);
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intel_aux_map_finish(struct intel_aux_map_context *ctx);
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intel_aux_map_get_state_num(struct intel_aux_map_context *ctx);
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/** Returns the current number of buffers used by the aux-map tables
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* When preparing to execute a new batch, use this function to determine how
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* many buffers will be required. More buffers may be added by concurrent
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* accesses of the aux-map functions, but they won't be required for since
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* they involve surfaces not used by this batch.
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intel_aux_map_get_num_buffers(struct intel_aux_map_context *ctx);
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/** Fill an array of exec_object2 with aux-map buffer handles
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* The intel_aux_map_get_num_buffers call should be made, then the driver can
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* make sure the `obj` array is large enough before calling this function.
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intel_aux_map_fill_bos(struct intel_aux_map_context *ctx, void **driver_bos,
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intel_aux_map_get_base(struct intel_aux_map_context *ctx);
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intel_aux_map_format_bits(enum isl_tiling tiling, enum isl_format format,
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intel_aux_map_format_bits_for_isl_surf(const struct isl_surf *isl_surf);
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intel_aux_map_get_entry(struct intel_aux_map_context *ctx,
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uint64_t *entry_address);
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intel_aux_map_add_mapping(struct intel_aux_map_context *ctx, uint64_t address,
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uint64_t aux_address, uint64_t main_size_B,
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uint64_t format_bits);
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intel_aux_map_unmap_range(struct intel_aux_map_context *ctx, uint64_t address,
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#endif /* INTEL_AUX_MAP_H */