1 // SPDX-License-Identifier: GPL-2.0-or-later
14  * keyword - value pairs that specify the configuration of the partition.
22 #include <asm/papr-sysparm.h>
30 #include <asm/rtas.h>
51  * Track sum of all purrs across all processors. This is used to further
52  * calculate usage values by different applications
71  * Methods used to fetch LPAR data when running on a pSeries platform.
97  *      XXXX - reserved (0)
98  *          XXXX - reserved (0)
99  *              XXXX - Group Number
100  *                  XXXX - Pool Number.
102  *      XX - reserved. (0)
103  *        XX - bit 0-6 reserved (0).   bit 7 is Capped indicator.
104  *          XX - variable processor Capacity Weight
105  *            XX - Unallocated Variable Processor Capacity Weight.
106  *              XXXX - Active processors in Physical Processor Pool.
107  *                  XXXX  - Processors active on platform.
108  *  R8 (QQQQRRRRRRSSSSSS). if ibm,partition-performance-parameters-level >= 1
109  *	XXXX - Physical platform procs allocated to virtualization.
110  *	    XXXXXX - Max procs capacity % available to the partitions pool.
111  *	          XXXXXX - Entitled procs capacity % available to the
121 	ppp_data->entitlement = retbuf[0];  in h_get_ppp()
122 	ppp_data->unallocated_entitlement = retbuf[1];  in h_get_ppp()
124 	ppp_data->group_num = (retbuf[2] >> 2 * 8) & 0xffff;  in h_get_ppp()
125 	ppp_data->pool_num = retbuf[2] & 0xffff;  in h_get_ppp()
127 	ppp_data->capped = (retbuf[3] >> 6 * 8) & 0x01;  in h_get_ppp()
128 	ppp_data->weight = (retbuf[3] >> 5 * 8) & 0xff;  in h_get_ppp()
129 	ppp_data->unallocated_weight = (retbuf[3] >> 4 * 8) & 0xff;  in h_get_ppp()
130 	ppp_data->active_procs_in_pool = (retbuf[3] >> 2 * 8) & 0xffff;  in h_get_ppp()
131 	ppp_data->active_system_procs = retbuf[3] & 0xffff;  in h_get_ppp()
133 	ppp_data->phys_platform_procs = retbuf[4] >> 6 * 8;  in h_get_ppp()
134 	ppp_data->max_proc_cap_avail = (retbuf[4] >> 3 * 8) & 0xffffff;  in h_get_ppp()
135 	ppp_data->entitled_proc_cap_avail = retbuf[4] & 0xffffff;  in h_get_ppp()
156 	memset(&buf->params, 0, sizeof(buf->params));  in show_gpci_data()
157 	buf->params.counter_request = cpu_to_be32(0xB1);  in show_gpci_data()
158 	buf->params.starting_index = cpu_to_be32(-1);	/* local LPAR */  in show_gpci_data()
159 	buf->params.counter_info_version_in = 0x5;	/* v5+ for score */  in show_gpci_data()
164 			 ret, be32_to_cpu(buf->params.detail_rc));  in show_gpci_data()
167 	affinity_score = buf->bytes[0xB];  in show_gpci_data()
241 	 * valid if the ibm,partition-performance-parameters-level  in parse_ppp_data()
247 				"ibm,partition-performance-parameters-level",  in parse_ppp_data()
278 	if (mpp_data.mapped_mem != -1)  in parse_mpp_data()
291 	if (mpp_data.pool_size != -1)  in parse_mpp_data()
326  * Read the lpar name using the RTAS ibm,get-system-parameter call.
328  * The name read through this call is updated if changes are made by the end
341 		return -ENOMEM;  in read_rtas_lpar_name()
345 		seq_printf(m, "partition_name=%s\n", buf->val);  in read_rtas_lpar_name()
354  * The value read in the DT is not updated if the end-user is touching the LPAR
363 	ret = of_property_read_string(root, "ibm,partition-name", &name);  in read_dt_lpar_name()
366 		return -ENOENT;  in read_dt_lpar_name()
383  * through the get-system-parameter rtas call.  Replace keyword strings as
405 		splpar_strlen = be16_to_cpu(buf->len);  in parse_system_parameter_string()
406 		local_buffer = buf->val;  in parse_system_parameter_string()
438 		local_buffer -= 2;	/* back up over strlen value */  in parse_system_parameter_string()
515 	maxmem += (unsigned long)drmem_info->n_lmbs * drmem_info->lmb_size;  in maxmem_data()
528 	rtas_node = of_find_node_by_path("/rtas");  in pseries_lparcfg_data()
530 		lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL);  in pseries_lparcfg_data()
533 		partition_potential_processors = vdso_data->processorCount;  in pseries_lparcfg_data()
542 		/* this call handles the ibm,get-system-parameter contents */  in pseries_lparcfg_data()
610 		return -EINVAL;  in update_ppp()
656 		return -EINVAL;  in update_mpp()
688 		return -EINVAL;  in lparcfg_write()
691 		return -EINVAL;  in lparcfg_write()
694 		return -EFAULT;  in lparcfg_write()
696 	kbuf[count - 1] = '\0';  in lparcfg_write()
699 		return -EINVAL;  in lparcfg_write()
707 			return -EINVAL;  in lparcfg_write()
724 			return -EINVAL;  in lparcfg_write()
731 			return -EINVAL;  in lparcfg_write()
738 			return -EINVAL;  in lparcfg_write()
742 		return -EINVAL;  in lparcfg_write()
747 		retval = -EBUSY;  in lparcfg_write()
749 		retval = -EIO;  in lparcfg_write()
751 		retval = -EINVAL;  in lparcfg_write()
773 		tmp = of_get_property(rootdn, "system-id", NULL);  in lparcfg_data()
776 		lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",  in lparcfg_data()
813 		return -EIO;  in lparcfg_init()