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Quelle intel_mocs.h Sprache: C |
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/* SPDX-License-Identifier: MIT */ /* * Copyright © 2015 Intel Corporation */ #ifndef INTEL_MOCS_H #define INTEL_MOCS_H /** * DOC: Memory Objects Control State (MOCS) * * Motivation: * In previous Gens the MOCS settings was a value that was set by user land as * part of the batch. In Gen9 this has changed to be a single table (per ring) * that all batches now reference by index instead of programming the MOCS * directly. * * The one wrinkle in this is that only PART of the MOCS tables are included * in context (The GFX_MOCS_0 - GFX_MOCS_64 and the LNCFCMOCS0 - LNCFCMOCS32 * registers). The rest are not (the settings for the other rings). * * This table needs to be set at system start-up because the way the table * interacts with the contexts and the GmmLib interface. * * * Implementation: * * The tables (one per supported platform) are defined in intel_mocs.c * and are programmed in the first batch after the context is loaded * (with the hardware workarounds). This will then let the usual * context handling keep the MOCS in step. */ struct intel_engine_cs; struct intel_gt; void intel_mocs_init(struct intel_gt *gt); void intel_mocs_init_engine(struct intel_engine_cs *engine); void intel_set_mocs_index(struct intel_gt *gt); #endif
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2026-04-06