25  * one specific instance).  Reads of MCR registers always operate in a unicast
27  * Selection of a specific MCR instance for unicast operations is referred to
43 	"INSTANCE 0",
143  * @instance: instance number (documented as "subsliceid" on older platforms)
152 				   int group, int instance, u32 value)  in rw_with_mcr_steering_fw()  argument
160 		mcr_ss = GEN11_MCR_SLICE(group) | GEN11_MCR_SUBSLICE(instance);  in rw_with_mcr_steering_fw()
167 		 * from a single register instance regardless of how that bit  in rw_with_mcr_steering_fw()
178 		mcr_ss = GEN8_MCR_SLICE(group) | GEN8_MCR_SUBSLICE(instance);  in rw_with_mcr_steering_fw()
202 				int group, int instance,  in rw_with_mcr_steering()  argument
217 	val = rw_with_mcr_steering_fw(uncore, reg, rw_flag, group, instance, value);  in rw_with_mcr_steering()
226  * intel_gt_mcr_read - read a specific instance of an MCR register
230  * @instance: the MCR instance
233  * group/instance.
237 		      int group, int instance)  in intel_gt_mcr_read()  argument
239 	return rw_with_mcr_steering(gt->uncore, reg, FW_REG_READ, group, instance, 0);  in intel_gt_mcr_read()
243  * intel_gt_mcr_unicast_write - write a specific instance of an MCR register
248  * @instance: the MCR instance
251  * group/instance.
254 				int group, int instance)  in intel_gt_mcr_unicast_write()  argument
256 	rw_with_mcr_steering(gt->uncore, reg, FW_REG_WRITE, group, instance, value);  in intel_gt_mcr_unicast_write()
326  * @instance: Instance ID returned
328  * Determines group and instance values that will steer reads of the specified
329  * MCR class to a non-terminated instance.
333 				       u8 *group, u8 *instance)  in get_nonterminated_steering()  argument
338 		*instance = __ffs(gt->info.l3bank_mask);  in get_nonterminated_steering()
343 		*instance = 0;	/* unused */  in get_nonterminated_steering()
352 		*instance = 0;	/* unused */  in get_nonterminated_steering()
356 		 * There are a lot of MCR types for which instance (0, 0)  in get_nonterminated_steering()
360 		*instance = 0;  in get_nonterminated_steering()
365 		*instance = 0;  in get_nonterminated_steering()
370  * intel_gt_mcr_get_nonterminated_steering - find group/instance values that
371  *    will steer a register to a non-terminated instance
375  * @instance: return variable for instance steering
377  * This function returns a group/instance pair that is guaranteed to work for
384 					     u8 *group, u8 *instance)  in intel_gt_mcr_get_nonterminated_steering()  argument
390 			get_nonterminated_steering(gt, type, group, instance);  in intel_gt_mcr_get_nonterminated_steering()
396 	*instance = gt->default_steering.instanceid;  in intel_gt_mcr_get_nonterminated_steering()
400  * intel_gt_mcr_read_any_fw - reads one instance of an MCR register
405  * instance (i.e., one that isn't fused off or powered down by power gating).
410  * Returns the value from a non-terminated instance of @reg.
415 	u8 group, instance;  in intel_gt_mcr_read_any_fw()  local
419 			get_nonterminated_steering(gt, type, &group, &instance);  in intel_gt_mcr_read_any_fw()
422 						       group, instance, 0);  in intel_gt_mcr_read_any_fw()
430  * intel_gt_mcr_read_any - reads one instance of an MCR register
435  * instance (i.e., one that isn't fused off or powered down by power gating).
437  * Returns the value from a non-terminated instance of @reg.
442 	u8 group, instance;  in intel_gt_mcr_read_any()  local
446 			get_nonterminated_steering(gt, type, &group, &instance);  in intel_gt_mcr_read_any()
449 						    group, instance, 0);  in intel_gt_mcr_read_any()
462 	u8 group, instance;  in report_steering_type()  local
472 	get_nonterminated_steering(gt, type, &group, &instance);  in report_steering_type()
473 	drm_printf(p, "%s steering: group=0x%x, instance=0x%x\n",  in report_steering_type()
474 		   intel_steering_types[type], group, instance);  in report_steering_type()
486 	drm_printf(p, "Default steering: group=0x%x, instance=0x%x\n",  in intel_gt_mcr_report_steering()
499  * intel_gt_mcr_get_ss_steering - returns the group/instance steering for a SS
503  * @instance: pointer to storage for steering instance ID
505  * Returns the steering IDs (via the @group and @instance parameters) that
509 				   unsigned int *group, unsigned int *instance)  in intel_gt_mcr_get_ss_steering()  argument
513 		*instance = dss % GEN_DSS_PER_CSLICE;  in intel_gt_mcr_get_ss_steering()
516 		*instance = dss % GEN_DSS_PER_GSLICE;  in intel_gt_mcr_get_ss_steering()
519 		*instance = dss % GEN_MAX_SS_PER_HSW_SLICE;  in intel_gt_mcr_get_ss_steering()