1 // SPDX-License-Identifier: GPL-2.0-or-later
14  * keyword - value pairs that specify the configuration of the partition.
93  *  R4 = Entitled Processor Capacity Percentage.
94  *  R5 = Unallocated Processor Capacity Percentage.
96  *      XXXX - reserved (0)
97  *          XXXX - reserved (0)
98  *              XXXX - Group Number
99  *                  XXXX - Pool Number.
101  *      XX - reserved. (0)
102  *        XX - bit 0-6 reserved (0).   bit 7 is Capped indicator.
103  *          XX - variable processor Capacity Weight
104  *            XX - Unallocated Variable Processor Capacity Weight.
105  *              XXXX - Active processors in Physical Processor Pool.
106  *                  XXXX  - Processors active on platform.
107  *  R8 (QQQQRRRRRRSSSSSS). if ibm,partition-performance-parameters-level >= 1
108  *	XXXX - Physical platform procs allocated to virtualization.
109  *	    XXXXXX - Max procs capacity % available to the partitions pool.
110  *	          XXXXXX - Entitled procs capacity % available to the
120 	ppp_data->entitlement = retbuf[0];  in h_get_ppp()
121 	ppp_data->unallocated_entitlement = retbuf[1];  in h_get_ppp()
123 	ppp_data->group_num = (retbuf[2] >> 2 * 8) & 0xffff;  in h_get_ppp()
124 	ppp_data->pool_num = retbuf[2] & 0xffff;  in h_get_ppp()
126 	ppp_data->capped = (retbuf[3] >> 6 * 8) & 0x01;  in h_get_ppp()
127 	ppp_data->weight = (retbuf[3] >> 5 * 8) & 0xff;  in h_get_ppp()
128 	ppp_data->unallocated_weight = (retbuf[3] >> 4 * 8) & 0xff;  in h_get_ppp()
129 	ppp_data->active_procs_in_pool = (retbuf[3] >> 2 * 8) & 0xffff;  in h_get_ppp()
130 	ppp_data->active_system_procs = retbuf[3] & 0xffff;  in h_get_ppp()
132 	ppp_data->phys_platform_procs = retbuf[4] >> 6 * 8;  in h_get_ppp()
133 	ppp_data->max_proc_cap_avail = (retbuf[4] >> 3 * 8) & 0xffffff;  in h_get_ppp()
134 	ppp_data->entitled_proc_cap_avail = retbuf[4] & 0xffffff;  in h_get_ppp()
155 	memset(&buf->params, 0, sizeof(buf->params));  in show_gpci_data()
156 	buf->params.counter_request = cpu_to_be32(0xB1);  in show_gpci_data()
157 	buf->params.starting_index = cpu_to_be32(-1);	/* local LPAR */  in show_gpci_data()
158 	buf->params.counter_info_version_in = 0x5;	/* v5+ for score */  in show_gpci_data()
163 			 ret, be32_to_cpu(buf->params.detail_rc));  in show_gpci_data()
166 	affinity_score = buf->bytes[0xB];  in show_gpci_data()
230 	 * valid if the ibm,partition-performance-parameters-level  in parse_ppp_data()
236 				"ibm,partition-performance-parameters-level",  in parse_ppp_data()
267 	if (mpp_data.mapped_mem != -1)  in parse_mpp_data()
280 	if (mpp_data.pool_size != -1)  in parse_mpp_data()
320  * through the get-system-parameter rtas call.  Replace keyword strings as
336 	call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,  in parse_system_parameter_string()
342 	local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';  in parse_system_parameter_string()
347 		       "%s %s Error calling get-system-parameter (0x%x)\n",  in parse_system_parameter_string()
360 		printk(KERN_INFO "success calling get-system-parameter\n");  in parse_system_parameter_string()
395 		local_buffer -= 2;	/* back up over strlen value */  in parse_system_parameter_string()
409 	for_each_node_by_type(cpus_dn, "cpu") {  in lparcfg_count_active_processors()
420 	int cpu;  in pseries_cmo_data()  local
429 	for_each_possible_cpu(cpu) {  in pseries_cmo_data()
430 		cmo_faults += be64_to_cpu(lppaca_of(cpu).cmo_faults);  in pseries_cmo_data()
431 		cmo_fault_time += be64_to_cpu(lppaca_of(cpu).cmo_fault_time);  in pseries_cmo_data()
444 	int cpu;  in splpar_dispatch_data()  local
448 	for_each_possible_cpu(cpu) {  in splpar_dispatch_data()
449 		dispatches += be32_to_cpu(lppaca_of(cpu).yield_count);  in splpar_dispatch_data()
451 			be32_to_cpu(lppaca_of(cpu).dispersion_count);  in splpar_dispatch_data()
471 	maxmem += (unsigned long)drmem_info->n_lmbs * drmem_info->lmb_size;  in maxmem_data()
486 		lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL);  in pseries_lparcfg_data()
489 		partition_potential_processors = vdso_data->processorCount;  in pseries_lparcfg_data()
498 		/* this call handles the ibm,get-system-parameter contents */  in pseries_lparcfg_data()
562 		return -EINVAL;  in update_ppp()
608 		return -EINVAL;  in update_mpp()
621  * Interface for changing system parameters (variable capacity weight
622  * and entitled capacity).  Format of input is "param_name=value";
640 		return -EINVAL;  in lparcfg_write()
643 		return -EINVAL;  in lparcfg_write()
646 		return -EFAULT;  in lparcfg_write()
648 	kbuf[count - 1] = '\0';  in lparcfg_write()
651 		return -EINVAL;  in lparcfg_write()
659 			return -EINVAL;  in lparcfg_write()
666 			return -EINVAL;  in lparcfg_write()
673 			return -EINVAL;  in lparcfg_write()
680 			return -EINVAL;  in lparcfg_write()
684 		return -EINVAL;  in lparcfg_write()
689 		retval = -EBUSY;  in lparcfg_write()
691 		retval = -EIO;  in lparcfg_write()
693 		retval = -EINVAL;  in lparcfg_write()
715 		tmp = of_get_property(rootdn, "system-id", NULL);  in lparcfg_data()
718 		lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",  in lparcfg_data()
754 		return -EIO;  in lparcfg_init()