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1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2022 Intel Corporation4 */5 6#ifndef _XE_GT_MCR_H_7#define _XE_GT_MCR_H_8 9#include "regs/xe_reg_defs.h"10#include "xe_gt_topology.h"11 12struct drm_printer;13struct xe_gt;14 15void xe_gt_mcr_init_early(struct xe_gt *gt);16void xe_gt_mcr_init(struct xe_gt *gt);17 18void xe_gt_mcr_set_implicit_defaults(struct xe_gt *gt);19 20u32 xe_gt_mcr_unicast_read(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,21 int group, int instance);22u32 xe_gt_mcr_unicast_read_any(struct xe_gt *gt, struct xe_reg_mcr mcr_reg);23 24void xe_gt_mcr_unicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,25 u32 value, int group, int instance);26void xe_gt_mcr_multicast_write(struct xe_gt *gt, struct xe_reg_mcr mcr_reg,27 u32 value);28 29void xe_gt_mcr_steering_dump(struct xe_gt *gt, struct drm_printer *p);30void xe_gt_mcr_get_dss_steering(struct xe_gt *gt, unsigned int dss, u16 *group, u16 *instance);31 32/*33 * Loop over each DSS and determine the group and instance IDs that34 * should be used to steer MCR accesses toward this DSS.35 * @dss: DSS ID to obtain steering for36 * @gt: GT structure37 * @group: steering group ID, data type: u1638 * @instance: steering instance ID, data type: u1639 */40#define for_each_dss_steering(dss, gt, group, instance) \41 for_each_dss((dss), (gt)) \42 for_each_if((xe_gt_mcr_get_dss_steering((gt), (dss), &(group), &(instance)), true))43 44/*45 * Loop over each DSS available for geometry and determine the group and46 * instance IDs that should be used to steer MCR accesses toward this DSS.47 * @dss: DSS ID to obtain steering for48 * @gt: GT structure49 * @group: steering group ID, data type: u1650 * @instance: steering instance ID, data type: u1651 */52#define for_each_geometry_dss(dss, gt, group, instance) \53 for_each_dss_steering(dss, gt, group, instance) \54 if (xe_gt_has_geometry_dss(gt, dss))55 56/*57 * Loop over each DSS available for compute and determine the group and58 * instance IDs that should be used to steer MCR accesses toward this DSS.59 * @dss: DSS ID to obtain steering for60 * @gt: GT structure61 * @group: steering group ID, data type: u1662 * @instance: steering instance ID, data type: u1663 */64#define for_each_compute_dss(dss, gt, group, instance) \65 for_each_dss_steering(dss, gt, group, instance) \66 if (xe_gt_has_compute_dss(gt, dss))67 68#endif /* _XE_GT_MCR_H_ */69