// SPDX-License-Identifier: MIT /* * Copyright © 2014-2019 Intel Corporation */ #include <linux/bsearch.h> #include "gem/i915_gem_lmem.h" #include "gt/intel_engine_regs.h" #include "gt/intel_gt.h" #include "gt/intel_gt_mcr.h" #include "gt/intel_gt_regs.h" #include "gt/intel_lrc.h" #include "gt/shmem_utils.h" #include "intel_guc_ads.h" #include "intel_guc_capture.h" #include "intel_guc_fwif.h" #include "intel_guc_print.h" #include "intel_uc.h" #include "i915_drv.h" /* * The Additional Data Struct (ADS) has pointers for different buffers used by * the GuC. One single gem object contains the ADS struct itself (guc_ads) and * all the extra buffers indirectly linked via the ADS struct's entries. * * Layout of the ADS blob allocated for the GuC: * * +---------------------------------------+ <== base * | guc_ads | * +---------------------------------------+ * | guc_policies | * +---------------------------------------+ * | guc_gt_system_info | * +---------------------------------------+ * | guc_engine_usage | * +---------------------------------------+ <== static * | guc_mmio_reg[countA] (engine 0.0) | * | guc_mmio_reg[countB] (engine 0.1) | * | guc_mmio_reg[countC] (engine 1.0) | * | ... | * +---------------------------------------+ <== dynamic * | padding | * +---------------------------------------+ <== 4K aligned * | golden contexts | * +---------------------------------------+ * | padding | * +---------------------------------------+ <== 4K aligned * | w/a KLVs | * +---------------------------------------+ * | padding | * +---------------------------------------+ <== 4K aligned * | capture lists | * +---------------------------------------+ * | padding | * +---------------------------------------+ <== 4K aligned * | private data | * +---------------------------------------+ * | padding | * +---------------------------------------+ <== 4K aligned */ struct __guc_ads_blob { … } __packed; #define ads_blob_read(guc_, field_) … #define ads_blob_write(guc_, field_, val_) … #define info_map_write(map_, field_, val_) … #define info_map_read(map_, field_) … static u32 guc_ads_regset_size(struct intel_guc *guc) { … } static u32 guc_ads_golden_ctxt_size(struct intel_guc *guc) { … } static u32 guc_ads_waklv_size(struct intel_guc *guc) { … } static u32 guc_ads_capture_size(struct intel_guc *guc) { … } static u32 guc_ads_private_data_size(struct intel_guc *guc) { … } static u32 guc_ads_regset_offset(struct intel_guc *guc) { … } static u32 guc_ads_golden_ctxt_offset(struct intel_guc *guc) { … } static u32 guc_ads_waklv_offset(struct intel_guc *guc) { … } static u32 guc_ads_capture_offset(struct intel_guc *guc) { … } static u32 guc_ads_private_data_offset(struct intel_guc *guc) { … } static u32 guc_ads_blob_size(struct intel_guc *guc) { … } static void guc_policies_init(struct intel_guc *guc) { … } void intel_guc_ads_print_policy_info(struct intel_guc *guc, struct drm_printer *dp) { … } static int guc_action_policies_update(struct intel_guc *guc, u32 policy_offset) { … } int intel_guc_global_policies_update(struct intel_guc *guc) { … } static void guc_mapping_table_init(struct intel_gt *gt, struct iosys_map *info_map) { … } /* * The save/restore register list must be pre-calculated to a temporary * buffer before it can be copied inside the ADS. */ struct temp_regset { … }; static int guc_mmio_reg_cmp(const void *a, const void *b) { … } static struct guc_mmio_reg * __must_check __mmio_reg_add(struct temp_regset *regset, struct guc_mmio_reg *reg) { … } static long __must_check guc_mmio_reg_add(struct intel_gt *gt, struct temp_regset *regset, u32 offset, u32 flags) { … } #define GUC_MMIO_REG_ADD(gt, regset, reg, masked) … #define GUC_REGSET_STEERING(group, instance) … static long __must_check guc_mcr_reg_add(struct intel_gt *gt, struct temp_regset *regset, i915_mcr_reg_t reg, u32 flags) { … } #define GUC_MCR_REG_ADD(gt, regset, reg, masked) … static int guc_mmio_regset_init(struct temp_regset *regset, struct intel_engine_cs *engine) { … } static long guc_mmio_reg_state_create(struct intel_guc *guc) { … } static void guc_mmio_reg_state_init(struct intel_guc *guc) { … } static void fill_engine_enable_masks(struct intel_gt *gt, struct iosys_map *info_map) { … } #define LR_HW_CONTEXT_SIZE … #define XEHP_LR_HW_CONTEXT_SIZE … #define LR_HW_CONTEXT_SZ(i915) … #define LRC_SKIP_SIZE(i915) … static int guc_prep_golden_context(struct intel_guc *guc) { … } static struct intel_engine_cs *find_engine_state(struct intel_gt *gt, u8 engine_class) { … } static void guc_init_golden_context(struct intel_guc *guc) { … } static u32 guc_get_capture_engine_mask(struct iosys_map *info_map, u32 capture_class) { … } static int guc_capture_prep_lists(struct intel_guc *guc) { … } static void guc_waklv_enable_simple(struct intel_guc *guc, u32 *offset, u32 *remain, u32 klv_id) { … } static void guc_waklv_init(struct intel_guc *guc) { … } static int guc_prep_waklv(struct intel_guc *guc) { … } static void __guc_ads_init(struct intel_guc *guc) { … } /** * intel_guc_ads_create() - allocates and initializes GuC ADS. * @guc: intel_guc struct * * GuC needs memory block (Additional Data Struct), where it will store * some data. Allocate and initialize such memory block for GuC use. */ int intel_guc_ads_create(struct intel_guc *guc) { … } void intel_guc_ads_init_late(struct intel_guc *guc) { … } void intel_guc_ads_destroy(struct intel_guc *guc) { … } static void guc_ads_private_data_reset(struct intel_guc *guc) { … } /** * intel_guc_ads_reset() - prepares GuC Additional Data Struct for reuse * @guc: intel_guc struct * * GuC stores some data in ADS, which might be stale after a reset. * Reinitialize whole ADS in case any part of it was corrupted during * previous GuC run. */ void intel_guc_ads_reset(struct intel_guc *guc) { … } u32 intel_guc_engine_usage_offset(struct intel_guc *guc) { … } struct iosys_map intel_guc_engine_usage_record_map(struct intel_engine_cs *engine) { … }
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