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bde5d76785
Add helper macro to loop each DSS. This is a precursor patch to allow for easier iteration through MCR registers and other per-DSS uses. Signed-off-by: Zhanjun Dong <zhanjun.dong@intel.com> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240314210735.258553-2-zhanjun.dong@intel.com
44 lines
1.3 KiB
C
44 lines
1.3 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_MCR_H_
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#define _XE_GT_MCR_H_
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#include "regs/xe_reg_defs.h"
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#include "xe_gt_topology.h"
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struct drm_printer;
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struct xe_gt;
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void xe_gt_mcr_init(struct xe_gt *gt);
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void xe_gt_mcr_set_implicit_defaults(struct xe_gt *gt);
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u32 xe_gt_mcr_unicast_read(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,
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int group, int instance);
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u32 xe_gt_mcr_unicast_read_any(struct xe_gt *gt, struct xe_reg_mcr mcr_reg);
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void xe_gt_mcr_unicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,
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u32 value, int group, int instance);
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void xe_gt_mcr_multicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,
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u32 value);
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void xe_gt_mcr_steering_dump(struct xe_gt *gt, struct drm_printer *p);
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void xe_gt_mcr_get_dss_steering(struct xe_gt *gt, unsigned int dss, u16 *group, u16 *instance);
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/*
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* Loop over each DSS and determine the group and instance IDs that
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* should be used to steer MCR accesses toward this DSS.
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* @dss: DSS ID to obtain steering for
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* @gt: GT structure
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* @group: steering group ID, data type: u16
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* @instance: steering instance ID, data type: u16
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*/
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#define for_each_dss_steering(dss, gt, group, instance) \
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for_each_dss((dss), (gt)) \
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for_each_if((xe_gt_mcr_get_dss_steering((gt), (dss), &(group), &(instance)), true))
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#endif /* _XE_GT_MCR_H_ */
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