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ccbfd2df30
With the proper stubs in place in linux/fault-inject.h, we can remove a bunch of conditional compilation for CONFIG_FAULT_INJECTION=n. Link: https://lkml.kernel.org/r/20240813121237.2382534-3-jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com> Cc: Akinobu Mita <akinobu.mita@gmail.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Abhinav Kumar <quic_abhinavk@quicinc.com> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Cc: Rob Clark <robdclark@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2022 Intel Corporation
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*/
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#ifndef _XE_GT_H_
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#define _XE_GT_H_
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#include <linux/fault-inject.h>
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#include <drm/drm_util.h>
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#include "xe_device.h"
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#include "xe_device_types.h"
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#include "xe_hw_engine.h"
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#define for_each_hw_engine(hwe__, gt__, id__) \
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for ((id__) = 0; (id__) < ARRAY_SIZE((gt__)->hw_engines); (id__)++) \
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for_each_if(((hwe__) = (gt__)->hw_engines + (id__)) && \
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xe_hw_engine_is_valid((hwe__)))
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#define CCS_MASK(gt) (((gt)->info.engine_mask & XE_HW_ENGINE_CCS_MASK) >> XE_HW_ENGINE_CCS0)
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extern struct fault_attr gt_reset_failure;
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static inline bool xe_fault_inject_gt_reset(void)
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{
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return should_fail(>_reset_failure, 1);
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}
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struct xe_gt *xe_gt_alloc(struct xe_tile *tile);
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int xe_gt_init_hwconfig(struct xe_gt *gt);
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int xe_gt_init_early(struct xe_gt *gt);
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int xe_gt_init(struct xe_gt *gt);
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void xe_gt_declare_wedged(struct xe_gt *gt);
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int xe_gt_record_default_lrcs(struct xe_gt *gt);
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/**
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* xe_gt_record_user_engines - save data related to engines available to
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* usersapce
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* @gt: GT structure
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*
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* Walk the available HW engines from gt->info.engine_mask and calculate data
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* related to those engines that may be used by userspace. To be used whenever
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* available engines change in runtime (e.g. with ccs_mode) or during
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* initialization
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*/
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void xe_gt_record_user_engines(struct xe_gt *gt);
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void xe_gt_suspend_prepare(struct xe_gt *gt);
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int xe_gt_suspend(struct xe_gt *gt);
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int xe_gt_resume(struct xe_gt *gt);
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void xe_gt_reset_async(struct xe_gt *gt);
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void xe_gt_sanitize(struct xe_gt *gt);
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int xe_gt_sanitize_freq(struct xe_gt *gt);
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void xe_gt_remove(struct xe_gt *gt);
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/**
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* xe_gt_any_hw_engine_by_reset_domain - scan the list of engines and return the
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* first that matches the same reset domain as @class
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* @gt: GT structure
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* @class: hw engine class to lookup
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*/
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struct xe_hw_engine *
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xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, enum xe_engine_class class);
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/**
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* xe_gt_any_hw_engine - scan the list of engines and return the
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* first available
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* @gt: GT structure
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*/
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struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt);
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struct xe_hw_engine *xe_gt_hw_engine(struct xe_gt *gt,
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enum xe_engine_class class,
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u16 instance,
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bool logical);
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static inline bool xe_gt_has_indirect_ring_state(struct xe_gt *gt)
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{
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return gt->info.has_indirect_ring_state &&
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xe_device_uc_enabled(gt_to_xe(gt));
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}
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static inline bool xe_gt_is_media_type(struct xe_gt *gt)
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{
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return gt->info.type == XE_GT_TYPE_MEDIA;
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}
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static inline bool xe_gt_is_usm_hwe(struct xe_gt *gt, struct xe_hw_engine *hwe)
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{
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struct xe_device *xe = gt_to_xe(gt);
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return xe->info.has_usm && hwe->class == XE_ENGINE_CLASS_COPY &&
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hwe->instance == gt->usm.reserved_bcs_instance;
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}
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#endif
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