/* * Copyright (c) 2015 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_L3_CONFIG_H #define GEN_L3_CONFIG_H #include <stdio.h> #include "gen_device_info.h" /** * Chunk of L3 cache reserved for some specific purpose. */ enum gen_l3_partition { /** Shared local memory. */ GEN_L3P_SLM = 0, /** Unified return buffer. */ GEN_L3P_URB, /** Union of DC and RO. */ GEN_L3P_ALL, /** Data cluster RW partition. */ GEN_L3P_DC, /** Union of IS, C and T. */ GEN_L3P_RO, /** Instruction and state cache. */ GEN_L3P_IS, /** Constant cache. */ GEN_L3P_C, /** Texture cache. */ GEN_L3P_T, /** Number of supported L3 partitions. */ GEN_NUM_L3P }; /** * L3 configuration represented as the number of ways allocated for each * partition. \sa get_l3_way_size(). */ struct gen_l3_config { unsigned n[GEN_NUM_L3P]; }; /** * L3 configuration represented as a vector of weights giving the desired * relative size of each partition. The scale is arbitrary, only the ratios * between weights will have an influence on the selection of the closest L3 * configuration. */ struct gen_l3_weights { float w[GEN_NUM_L3P]; }; float gen_diff_l3_weights(struct gen_l3_weights w0, struct gen_l3_weights w1); struct gen_l3_weights gen_get_default_l3_weights(const struct gen_device_info *devinfo, bool needs_dc, bool needs_slm); struct gen_l3_weights gen_get_l3_config_weights(const struct gen_l3_config *cfg); const struct gen_l3_config * gen_get_default_l3_config(const struct gen_device_info *devinfo); const struct gen_l3_config * gen_get_l3_config(const struct gen_device_info *devinfo, struct gen_l3_weights w0); unsigned gen_get_l3_config_urb_size(const struct gen_device_info *devinfo, const struct gen_l3_config *cfg); void gen_dump_l3_config(const struct gen_l3_config *cfg, FILE *fp); void gen_get_urb_config(const struct gen_device_info *devinfo, unsigned push_constant_bytes, unsigned urb_size_bytes, bool tess_present, bool gs_present, const unsigned entry_size[4], unsigned entries[4], unsigned start[4]); #endif /* GEN_L3_CONFIG_H */