26  * one specific instance).  Reads of MCR registers always operate in a unicast
28  * Selection of a specific MCR instance for unicast operations is referred to
47 	"INSTANCE 0",
238  * @instance: instance number (documented as "subsliceid" on older platforms)
248 				   int group, int instance, u32 value)  in rw_with_mcr_steering_fw()  argument
259 		 * to unicast mode when doing writes of a specific instance.  in rw_with_mcr_steering_fw()
265 				      REG_FIELD_PREP(MTL_MCR_INSTANCEID, instance) |  in rw_with_mcr_steering_fw()
269 		mcr_ss = GEN11_MCR_SLICE(group) | GEN11_MCR_SUBSLICE(instance);  in rw_with_mcr_steering_fw()
276 		 * from a single register instance regardless of how that bit  in rw_with_mcr_steering_fw()
294 		mcr_ss = GEN8_MCR_SLICE(group) | GEN8_MCR_SUBSLICE(instance);  in rw_with_mcr_steering_fw()
325 				int group, int instance,  in rw_with_mcr_steering()  argument
343 	val = rw_with_mcr_steering_fw(gt, reg, rw_flag, group, instance, value);  in rw_with_mcr_steering()
443  * intel_gt_mcr_read - read a specific instance of an MCR register
447  * @instance: the MCR instance
452  * group/instance.
456 		      int group, int instance)  in intel_gt_mcr_read()  argument
458 	return rw_with_mcr_steering(gt, reg, FW_REG_READ, group, instance, 0);  in intel_gt_mcr_read()
462  * intel_gt_mcr_unicast_write - write a specific instance of an MCR register
467  * @instance: the MCR instance
470  * group/instance.
475 				int group, int instance)  in intel_gt_mcr_unicast_write()  argument
477 	rw_with_mcr_steering(gt, reg, FW_REG_WRITE, group, instance, value);  in intel_gt_mcr_unicast_write()
546  * instance and the write will be applied to all instances.
606  * @instance: Instance ID returned
608  * Determines group and instance values that will steer reads of the specified
609  * MCR class to a non-terminated instance.
613 				       u8 *group, u8 *instance)  in get_nonterminated_steering()  argument
620 		*instance = __ffs(gt->info.l3bank_mask);  in get_nonterminated_steering()
625 		*instance = 0;	/* unused */  in get_nonterminated_steering()
634 		*instance = 0;	/* unused */  in get_nonterminated_steering()
638 		*instance = 0;  in get_nonterminated_steering()
643 		*instance = dss % GEN_DSS_PER_GSLICE;  in get_nonterminated_steering()
647 		 * There are a lot of MCR types for which instance (0, 0)  in get_nonterminated_steering()
651 		*instance = 0;  in get_nonterminated_steering()
658 		*instance = 0;  in get_nonterminated_steering()
663 		*instance = 0;  in get_nonterminated_steering()
668  * intel_gt_mcr_get_nonterminated_steering - find group/instance values that
669  *    will steer a register to a non-terminated instance
673  * @instance: return variable for instance steering
675  * This function returns a group/instance pair that is guaranteed to work for
682 					     u8 *group, u8 *instance)  in intel_gt_mcr_get_nonterminated_steering()  argument
688 			get_nonterminated_steering(gt, type, group, instance);  in intel_gt_mcr_get_nonterminated_steering()
694 	*instance = gt->default_steering.instanceid;  in intel_gt_mcr_get_nonterminated_steering()
698  * intel_gt_mcr_read_any_fw - reads one instance of an MCR register
703  * instance (i.e., one that isn't fused off or powered down by power gating).
710  * Returns the value from a non-terminated instance of @reg.
715 	u8 group, instance;  in intel_gt_mcr_read_any_fw()  local
721 			get_nonterminated_steering(gt, type, &group, &instance);  in intel_gt_mcr_read_any_fw()
724 						       group, instance, 0);  in intel_gt_mcr_read_any_fw()
732  * intel_gt_mcr_read_any - reads one instance of an MCR register
737  * instance (i.e., one that isn't fused off or powered down by power gating).
741  * Returns the value from a non-terminated instance of @reg.
746 	u8 group, instance;  in intel_gt_mcr_read_any()  local
750 			get_nonterminated_steering(gt, type, &group, &instance);  in intel_gt_mcr_read_any()
753 						    group, instance, 0);  in intel_gt_mcr_read_any()
766 	u8 group, instance;  in report_steering_type()  local
776 	get_nonterminated_steering(gt, type, &group, &instance);  in report_steering_type()
777 	drm_printf(p, "%s steering: group=0x%x, instance=0x%x\n",  in report_steering_type()
778 		   intel_steering_types[type], group, instance);  in report_steering_type()
795 		drm_printf(p, "Default steering: group=0x%x, instance=0x%x\n",  in intel_gt_mcr_report_steering()
812  * intel_gt_mcr_get_ss_steering - returns the group/instance steering for a SS
816  * @instance: pointer to storage for steering instance ID
818  * Returns the steering IDs (via the @group and @instance parameters) that
822 				   unsigned int *group, unsigned int *instance)  in intel_gt_mcr_get_ss_steering()  argument
826 		*instance = dss % GEN_DSS_PER_CSLICE;  in intel_gt_mcr_get_ss_steering()
829 		*instance = dss % GEN_DSS_PER_GSLICE;  in intel_gt_mcr_get_ss_steering()
832 		*instance = dss % GEN_MAX_SS_PER_HSW_SLICE;  in intel_gt_mcr_get_ss_steering()
859  * instance.