powerpc/pseries: Move lparcfg.c to platforms/pseries

This file is entirely pseries specific nowadays, so move it out
of arch/powerpc/kernel where it doesn't belong anymore.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 0 insertions, 711 deletions

diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 5b280f59b5ca..445cb6e39d5b 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -55,7 +55,6 @@ obj-$(CONFIG_PPC_RTAS)		+= rtas.o rtas-rtc.o $(rtaspci-y-y)
 obj-$(CONFIG_PPC_RTAS_DAEMON)	+= rtasd.o
 obj-$(CONFIG_RTAS_FLASH)	+= rtas_flash.o
 obj-$(CONFIG_RTAS_PROC)		+= rtas-proc.o
-obj-$(CONFIG_LPARCFG)		+= lparcfg.o
 obj-$(CONFIG_IBMVIO)		+= vio.o
 obj-$(CONFIG_IBMEBUS)           += ibmebus.o
 obj-$(CONFIG_EEH)              += eeh.o eeh_pe.o eeh_dev.o eeh_cache.o \
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
deleted file mode 100644
index e738007eae64..000000000000
--- a/arch/powerpc/kernel/lparcfg.c
+++ /dev/null
@@ -1,710 +0,0 @@
-/*
- * PowerPC64 LPAR Configuration Information Driver
- *
- * Dave Engebretsen engebret@us.ibm.com
- *    Copyright (c) 2003 Dave Engebretsen
- * Will Schmidt willschm@us.ibm.com
- *    SPLPAR updates, Copyright (c) 2003 Will Schmidt IBM Corporation.
- *    seq_file updates, Copyright (c) 2004 Will Schmidt IBM Corporation.
- * Nathan Lynch nathanl@austin.ibm.com
- *    Added lparcfg_write, Copyright (C) 2004 Nathan Lynch IBM Corporation.
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- *
- * This driver creates a proc file at /proc/ppc64/lparcfg which contains
- * keyword - value pairs that specify the configuration of the partition.
- */
-
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/proc_fs.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/slab.h>
-#include <asm/uaccess.h>
-#include <asm/lppaca.h>
-#include <asm/hvcall.h>
-#include <asm/firmware.h>
-#include <asm/rtas.h>
-#include <asm/time.h>
-#include <asm/prom.h>
-#include <asm/vdso_datapage.h>
-#include <asm/vio.h>
-#include <asm/mmu.h>
-#include <asm/machdep.h>
-
-
-/*
- * This isn't a module but we expose that to userspace
- * via /proc so leave the definitions here
- */
-#define MODULE_VERS "1.9"
-#define MODULE_NAME "lparcfg"
-
-/* #define LPARCFG_DEBUG */
-
-/*
- * Track sum of all purrs across all processors. This is used to further
- * calculate usage values by different applications
- */
-static unsigned long get_purr(void)
-{
-	unsigned long sum_purr = 0;
-	int cpu;
-
-	for_each_possible_cpu(cpu) {
-		struct cpu_usage *cu;
-
-		cu = &per_cpu(cpu_usage_array, cpu);
-		sum_purr += cu->current_tb;
-	}
-	return sum_purr;
-}
-
-/*
- * Methods used to fetch LPAR data when running on a pSeries platform.
- */
-
-struct hvcall_ppp_data {
-	u64	entitlement;
-	u64	unallocated_entitlement;
-	u16	group_num;
-	u16	pool_num;
-	u8	capped;
-	u8	weight;
-	u8	unallocated_weight;
-	u16	active_procs_in_pool;
-	u16	active_system_procs;
-	u16	phys_platform_procs;
-	u32	max_proc_cap_avail;
-	u32	entitled_proc_cap_avail;
-};
-
-/*
- * H_GET_PPP hcall returns info in 4 parms.
- *  entitled_capacity,unallocated_capacity,
- *  aggregation, resource_capability).
- *
- *  R4 = Entitled Processor Capacity Percentage.
- *  R5 = Unallocated Processor Capacity Percentage.
- *  R6 (AABBCCDDEEFFGGHH).
- *      XXXX - reserved (0)
- *          XXXX - reserved (0)
- *              XXXX - Group Number
- *                  XXXX - Pool Number.
- *  R7 (IIJJKKLLMMNNOOPP).
- *      XX - reserved. (0)
- *        XX - bit 0-6 reserved (0).   bit 7 is Capped indicator.
- *          XX - variable processor Capacity Weight
- *            XX - Unallocated Variable Processor Capacity Weight.
- *              XXXX - Active processors in Physical Processor Pool.
- *                  XXXX  - Processors active on platform.
- *  R8 (QQQQRRRRRRSSSSSS). if ibm,partition-performance-parameters-level >= 1
- *	XXXX - Physical platform procs allocated to virtualization.
- *	    XXXXXX - Max procs capacity % available to the partitions pool.
- *	          XXXXXX - Entitled procs capacity % available to the
- *			   partitions pool.
- */
-static unsigned int h_get_ppp(struct hvcall_ppp_data *ppp_data)
-{
-	unsigned long rc;
-	unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
-
-	rc = plpar_hcall9(H_GET_PPP, retbuf);
-
-	ppp_data->entitlement = retbuf[0];
-	ppp_data->unallocated_entitlement = retbuf[1];
-
-	ppp_data->group_num = (retbuf[2] >> 2 * 8) & 0xffff;
-	ppp_data->pool_num = retbuf[2] & 0xffff;
-
-	ppp_data->capped = (retbuf[3] >> 6 * 8) & 0x01;
-	ppp_data->weight = (retbuf[3] >> 5 * 8) & 0xff;
-	ppp_data->unallocated_weight = (retbuf[3] >> 4 * 8) & 0xff;
-	ppp_data->active_procs_in_pool = (retbuf[3] >> 2 * 8) & 0xffff;
-	ppp_data->active_system_procs = retbuf[3] & 0xffff;
-
-	ppp_data->phys_platform_procs = retbuf[4] >> 6 * 8;
-	ppp_data->max_proc_cap_avail = (retbuf[4] >> 3 * 8) & 0xffffff;
-	ppp_data->entitled_proc_cap_avail = retbuf[4] & 0xffffff;
-
-	return rc;
-}
-
-static unsigned h_pic(unsigned long *pool_idle_time,
-		      unsigned long *num_procs)
-{
-	unsigned long rc;
-	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
-
-	rc = plpar_hcall(H_PIC, retbuf);
-
-	*pool_idle_time = retbuf[0];
-	*num_procs = retbuf[1];
-
-	return rc;
-}
-
-/*
- * parse_ppp_data
- * Parse out the data returned from h_get_ppp and h_pic
- */
-static void parse_ppp_data(struct seq_file *m)
-{
-	struct hvcall_ppp_data ppp_data;
-	struct device_node *root;
-	const int *perf_level;
-	int rc;
-
-	rc = h_get_ppp(&ppp_data);
-	if (rc)
-		return;
-
-	seq_printf(m, "partition_entitled_capacity=%lld\n",
-	           ppp_data.entitlement);
-	seq_printf(m, "group=%d\n", ppp_data.group_num);
-	seq_printf(m, "system_active_processors=%d\n",
-	           ppp_data.active_system_procs);
-
-	/* pool related entries are appropriate for shared configs */
-	if (lppaca_shared_proc(get_lppaca())) {
-		unsigned long pool_idle_time, pool_procs;
-
-		seq_printf(m, "pool=%d\n", ppp_data.pool_num);
-
-		/* report pool_capacity in percentage */
-		seq_printf(m, "pool_capacity=%d\n",
-			   ppp_data.active_procs_in_pool * 100);
-
-		h_pic(&pool_idle_time, &pool_procs);
-		seq_printf(m, "pool_idle_time=%ld\n", pool_idle_time);
-		seq_printf(m, "pool_num_procs=%ld\n", pool_procs);
-	}
-
-	seq_printf(m, "unallocated_capacity_weight=%d\n",
-		   ppp_data.unallocated_weight);
-	seq_printf(m, "capacity_weight=%d\n", ppp_data.weight);
-	seq_printf(m, "capped=%d\n", ppp_data.capped);
-	seq_printf(m, "unallocated_capacity=%lld\n",
-		   ppp_data.unallocated_entitlement);
-
-	/* The last bits of information returned from h_get_ppp are only
-	 * valid if the ibm,partition-performance-parameters-level
-	 * property is >= 1.
-	 */
-	root = of_find_node_by_path("/");
-	if (root) {
-		perf_level = of_get_property(root,
-				"ibm,partition-performance-parameters-level",
-					     NULL);
-		if (perf_level && (*perf_level >= 1)) {
-			seq_printf(m,
-			    "physical_procs_allocated_to_virtualization=%d\n",
-				   ppp_data.phys_platform_procs);
-			seq_printf(m, "max_proc_capacity_available=%d\n",
-				   ppp_data.max_proc_cap_avail);
-			seq_printf(m, "entitled_proc_capacity_available=%d\n",
-				   ppp_data.entitled_proc_cap_avail);
-		}
-
-		of_node_put(root);
-	}
-}
-
-/**
- * parse_mpp_data
- * Parse out data returned from h_get_mpp
- */
-static void parse_mpp_data(struct seq_file *m)
-{
-	struct hvcall_mpp_data mpp_data;
-	int rc;
-
-	rc = h_get_mpp(&mpp_data);
-	if (rc)
-		return;
-
-	seq_printf(m, "entitled_memory=%ld\n", mpp_data.entitled_mem);
-
-	if (mpp_data.mapped_mem != -1)
-		seq_printf(m, "mapped_entitled_memory=%ld\n",
-		           mpp_data.mapped_mem);
-
-	seq_printf(m, "entitled_memory_group_number=%d\n", mpp_data.group_num);
-	seq_printf(m, "entitled_memory_pool_number=%d\n", mpp_data.pool_num);
-
-	seq_printf(m, "entitled_memory_weight=%d\n", mpp_data.mem_weight);
-	seq_printf(m, "unallocated_entitled_memory_weight=%d\n",
-	           mpp_data.unallocated_mem_weight);
-	seq_printf(m, "unallocated_io_mapping_entitlement=%ld\n",
-	           mpp_data.unallocated_entitlement);
-
-	if (mpp_data.pool_size != -1)
-		seq_printf(m, "entitled_memory_pool_size=%ld bytes\n",
-		           mpp_data.pool_size);
-
-	seq_printf(m, "entitled_memory_loan_request=%ld\n",
-	           mpp_data.loan_request);
-
-	seq_printf(m, "backing_memory=%ld bytes\n", mpp_data.backing_mem);
-}
-
-/**
- * parse_mpp_x_data
- * Parse out data returned from h_get_mpp_x
- */
-static void parse_mpp_x_data(struct seq_file *m)
-{
-	struct hvcall_mpp_x_data mpp_x_data;
-
-	if (!firmware_has_feature(FW_FEATURE_XCMO))
-		return;
-	if (h_get_mpp_x(&mpp_x_data))
-		return;
-
-	seq_printf(m, "coalesced_bytes=%ld\n", mpp_x_data.coalesced_bytes);
-
-	if (mpp_x_data.pool_coalesced_bytes)
-		seq_printf(m, "pool_coalesced_bytes=%ld\n",
-			   mpp_x_data.pool_coalesced_bytes);
-	if (mpp_x_data.pool_purr_cycles)
-		seq_printf(m, "coalesce_pool_purr=%ld\n", mpp_x_data.pool_purr_cycles);
-	if (mpp_x_data.pool_spurr_cycles)
-		seq_printf(m, "coalesce_pool_spurr=%ld\n", mpp_x_data.pool_spurr_cycles);
-}
-
-#define SPLPAR_CHARACTERISTICS_TOKEN 20
-#define SPLPAR_MAXLENGTH 1026*(sizeof(char))
-
-/*
- * parse_system_parameter_string()
- * Retrieve the potential_processors, max_entitled_capacity and friends
- * through the get-system-parameter rtas call.  Replace keyword strings as
- * necessary.
- */
-static void parse_system_parameter_string(struct seq_file *m)
-{
-	int call_status;
-
-	unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
-	if (!local_buffer) {
-		printk(KERN_ERR "%s %s kmalloc failure at line %d\n",
-		       __FILE__, __func__, __LINE__);
-		return;
-	}
-
-	spin_lock(&rtas_data_buf_lock);
-	memset(rtas_data_buf, 0, SPLPAR_MAXLENGTH);
-	call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
-				NULL,
-				SPLPAR_CHARACTERISTICS_TOKEN,
-				__pa(rtas_data_buf),
-				RTAS_DATA_BUF_SIZE);
-	memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
-	local_buffer[SPLPAR_MAXLENGTH - 1] = '\0';
-	spin_unlock(&rtas_data_buf_lock);
-
-	if (call_status != 0) {
-		printk(KERN_INFO
-		       "%s %s Error calling get-system-parameter (0x%x)\n",
-		       __FILE__, __func__, call_status);
-	} else {
-		int splpar_strlen;
-		int idx, w_idx;
-		char *workbuffer = kzalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
-		if (!workbuffer) {
-			printk(KERN_ERR "%s %s kmalloc failure at line %d\n",
-			       __FILE__, __func__, __LINE__);
-			kfree(local_buffer);
-			return;
-		}
-#ifdef LPARCFG_DEBUG
-		printk(KERN_INFO "success calling get-system-parameter\n");
-#endif
-		splpar_strlen = local_buffer[0] * 256 + local_buffer[1];
-		local_buffer += 2;	/* step over strlen value */
-
-		w_idx = 0;
-		idx = 0;
-		while ((*local_buffer) && (idx < splpar_strlen)) {
-			workbuffer[w_idx++] = local_buffer[idx++];
-			if ((local_buffer[idx] == ',')
-			    || (local_buffer[idx] == '\0')) {
-				workbuffer[w_idx] = '\0';
-				if (w_idx) {
-					/* avoid the empty string */
-					seq_printf(m, "%s\n", workbuffer);
-				}
-				memset(workbuffer, 0, SPLPAR_MAXLENGTH);
-				idx++;	/* skip the comma */
-				w_idx = 0;
-			} else if (local_buffer[idx] == '=') {
-				/* code here to replace workbuffer contents
-				   with different keyword strings */
-				if (0 == strcmp(workbuffer, "MaxEntCap")) {
-					strcpy(workbuffer,
-					       "partition_max_entitled_capacity");
-					w_idx = strlen(workbuffer);
-				}
-				if (0 == strcmp(workbuffer, "MaxPlatProcs")) {
-					strcpy(workbuffer,
-					       "system_potential_processors");
-					w_idx = strlen(workbuffer);
-				}
-			}
-		}
-		kfree(workbuffer);
-		local_buffer -= 2;	/* back up over strlen value */
-	}
-	kfree(local_buffer);
-}
-
-/* Return the number of processors in the system.
- * This function reads through the device tree and counts
- * the virtual processors, this does not include threads.
- */
-static int lparcfg_count_active_processors(void)
-{
-	struct device_node *cpus_dn = NULL;
-	int count = 0;
-
-	while ((cpus_dn = of_find_node_by_type(cpus_dn, "cpu"))) {
-#ifdef LPARCFG_DEBUG
-		printk(KERN_ERR "cpus_dn %p\n", cpus_dn);
-#endif
-		count++;
-	}
-	return count;
-}
-
-static void pseries_cmo_data(struct seq_file *m)
-{
-	int cpu;
-	unsigned long cmo_faults = 0;
-	unsigned long cmo_fault_time = 0;
-
-	seq_printf(m, "cmo_enabled=%d\n", firmware_has_feature(FW_FEATURE_CMO));
-
-	if (!firmware_has_feature(FW_FEATURE_CMO))
-		return;
-
-	for_each_possible_cpu(cpu) {
-		cmo_faults += be64_to_cpu(lppaca_of(cpu).cmo_faults);
-		cmo_fault_time += be64_to_cpu(lppaca_of(cpu).cmo_fault_time);
-	}
-
-	seq_printf(m, "cmo_faults=%lu\n", cmo_faults);
-	seq_printf(m, "cmo_fault_time_usec=%lu\n",
-		   cmo_fault_time / tb_ticks_per_usec);
-	seq_printf(m, "cmo_primary_psp=%d\n", cmo_get_primary_psp());
-	seq_printf(m, "cmo_secondary_psp=%d\n", cmo_get_secondary_psp());
-	seq_printf(m, "cmo_page_size=%lu\n", cmo_get_page_size());
-}
-
-static void splpar_dispatch_data(struct seq_file *m)
-{
-	int cpu;
-	unsigned long dispatches = 0;
-	unsigned long dispatch_dispersions = 0;
-
-	for_each_possible_cpu(cpu) {
-		dispatches += be32_to_cpu(lppaca_of(cpu).yield_count);
-		dispatch_dispersions +=
-			be32_to_cpu(lppaca_of(cpu).dispersion_count);
-	}
-
-	seq_printf(m, "dispatches=%lu\n", dispatches);
-	seq_printf(m, "dispatch_dispersions=%lu\n", dispatch_dispersions);
-}
-
-static void parse_em_data(struct seq_file *m)
-{
-	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
-
-	if (firmware_has_feature(FW_FEATURE_LPAR) &&
-	    plpar_hcall(H_GET_EM_PARMS, retbuf) == H_SUCCESS)
-		seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
-}
-
-static int pseries_lparcfg_data(struct seq_file *m, void *v)
-{
-	int partition_potential_processors;
-	int partition_active_processors;
-	struct device_node *rtas_node;
-	const int *lrdrp = NULL;
-
-	rtas_node = of_find_node_by_path("/rtas");
-	if (rtas_node)
-		lrdrp = of_get_property(rtas_node, "ibm,lrdr-capacity", NULL);
-
-	if (lrdrp == NULL) {
-		partition_potential_processors = vdso_data->processorCount;
-	} else {
-		partition_potential_processors = *(lrdrp + 4);
-	}
-	of_node_put(rtas_node);
-
-	partition_active_processors = lparcfg_count_active_processors();
-
-	if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
-		/* this call handles the ibm,get-system-parameter contents */
-		parse_system_parameter_string(m);
-		parse_ppp_data(m);
-		parse_mpp_data(m);
-		parse_mpp_x_data(m);
-		pseries_cmo_data(m);
-		splpar_dispatch_data(m);
-
-		seq_printf(m, "purr=%ld\n", get_purr());
-	} else {		/* non SPLPAR case */
-
-		seq_printf(m, "system_active_processors=%d\n",
-			   partition_potential_processors);
-
-		seq_printf(m, "system_potential_processors=%d\n",
-			   partition_potential_processors);
-
-		seq_printf(m, "partition_max_entitled_capacity=%d\n",
-			   partition_potential_processors * 100);
-
-		seq_printf(m, "partition_entitled_capacity=%d\n",
-			   partition_active_processors * 100);
-	}
-
-	seq_printf(m, "partition_active_processors=%d\n",
-		   partition_active_processors);
-
-	seq_printf(m, "partition_potential_processors=%d\n",
-		   partition_potential_processors);
-
-	seq_printf(m, "shared_processor_mode=%d\n",
-		   lppaca_shared_proc(get_lppaca()));
-
-	seq_printf(m, "slb_size=%d\n", mmu_slb_size);
-
-	parse_em_data(m);
-
-	return 0;
-}
-
-static ssize_t update_ppp(u64 *entitlement, u8 *weight)
-{
-	struct hvcall_ppp_data ppp_data;
-	u8 new_weight;
-	u64 new_entitled;
-	ssize_t retval;
-
-	/* Get our current parameters */
-	retval = h_get_ppp(&ppp_data);
-	if (retval)
-		return retval;
-
-	if (entitlement) {
-		new_weight = ppp_data.weight;
-		new_entitled = *entitlement;
-	} else if (weight) {
-		new_weight = *weight;
-		new_entitled = ppp_data.entitlement;
-	} else
-		return -EINVAL;
-
-	pr_debug("%s: current_entitled = %llu, current_weight = %u\n",
-		 __func__, ppp_data.entitlement, ppp_data.weight);
-
-	pr_debug("%s: new_entitled = %llu, new_weight = %u\n",
-		 __func__, new_entitled, new_weight);
-
-	retval = plpar_hcall_norets(H_SET_PPP, new_entitled, new_weight);
-	return retval;
-}
-
-/**
- * update_mpp
- *
- * Update the memory entitlement and weight for the partition.  Caller must
- * specify either a new entitlement or weight, not both, to be updated
- * since the h_set_mpp call takes both entitlement and weight as parameters.
- */
-static ssize_t update_mpp(u64 *entitlement, u8 *weight)
-{
-	struct hvcall_mpp_data mpp_data;
-	u64 new_entitled;
-	u8 new_weight;
-	ssize_t rc;
-
-	if (entitlement) {
-		/* Check with vio to ensure the new memory entitlement
-		 * can be handled.
-		 */
-		rc = vio_cmo_entitlement_update(*entitlement);
-		if (rc)
-			return rc;
-	}
-
-	rc = h_get_mpp(&mpp_data);
-	if (rc)
-		return rc;
-
-	if (entitlement) {
-		new_weight = mpp_data.mem_weight;
-		new_entitled = *entitlement;
-	} else if (weight) {
-		new_weight = *weight;
-		new_entitled = mpp_data.entitled_mem;
-	} else
-		return -EINVAL;
-
-	pr_debug("%s: current_entitled = %lu, current_weight = %u\n",
-	         __func__, mpp_data.entitled_mem, mpp_data.mem_weight);
-
-	pr_debug("%s: new_entitled = %llu, new_weight = %u\n",
-		 __func__, new_entitled, new_weight);
-
-	rc = plpar_hcall_norets(H_SET_MPP, new_entitled, new_weight);
-	return rc;
-}
-
-/*
- * Interface for changing system parameters (variable capacity weight
- * and entitled capacity).  Format of input is "param_name=value";
- * anything after value is ignored.  Valid parameters at this time are
- * "partition_entitled_capacity" and "capacity_weight".  We use
- * H_SET_PPP to alter parameters.
- *
- * This function should be invoked only on systems with
- * FW_FEATURE_SPLPAR.
- */
-static ssize_t lparcfg_write(struct file *file, const char __user * buf,
-			     size_t count, loff_t * off)
-{
-	int kbuf_sz = 64;
-	char kbuf[kbuf_sz];
-	char *tmp;
-	u64 new_entitled, *new_entitled_ptr = &new_entitled;
-	u8 new_weight, *new_weight_ptr = &new_weight;
-	ssize_t retval;
-
-	if (!firmware_has_feature(FW_FEATURE_SPLPAR))
-		return -EINVAL;
-
-	if (count > kbuf_sz)
-		return -EINVAL;
-
-	if (copy_from_user(kbuf, buf, count))
-		return -EFAULT;
-
-	kbuf[count - 1] = '\0';
-	tmp = strchr(kbuf, '=');
-	if (!tmp)
-		return -EINVAL;
-
-	*tmp++ = '\0';
-
-	if (!strcmp(kbuf, "partition_entitled_capacity")) {
-		char *endp;
-		*new_entitled_ptr = (u64) simple_strtoul(tmp, &endp, 10);
-		if (endp == tmp)
-			return -EINVAL;
-
-		retval = update_ppp(new_entitled_ptr, NULL);
-	} else if (!strcmp(kbuf, "capacity_weight")) {
-		char *endp;
-		*new_weight_ptr = (u8) simple_strtoul(tmp, &endp, 10);
-		if (endp == tmp)
-			return -EINVAL;
-
-		retval = update_ppp(NULL, new_weight_ptr);
-	} else if (!strcmp(kbuf, "entitled_memory")) {
-		char *endp;
-		*new_entitled_ptr = (u64) simple_strtoul(tmp, &endp, 10);
-		if (endp == tmp)
-			return -EINVAL;
-
-		retval = update_mpp(new_entitled_ptr, NULL);
-	} else if (!strcmp(kbuf, "entitled_memory_weight")) {
-		char *endp;
-		*new_weight_ptr = (u8) simple_strtoul(tmp, &endp, 10);
-		if (endp == tmp)
-			return -EINVAL;
-
-		retval = update_mpp(NULL, new_weight_ptr);
-	} else
-		return -EINVAL;
-
-	if (retval == H_SUCCESS || retval == H_CONSTRAINED) {
-		retval = count;
-	} else if (retval == H_BUSY) {
-		retval = -EBUSY;
-	} else if (retval == H_HARDWARE) {
-		retval = -EIO;
-	} else if (retval == H_PARAMETER) {
-		retval = -EINVAL;
-	}
-
-	return retval;
-}
-
-static int lparcfg_data(struct seq_file *m, void *v)
-{
-	struct device_node *rootdn;
-	const char *model = "";
-	const char *system_id = "";
-	const char *tmp;
-	const unsigned int *lp_index_ptr;
-	unsigned int lp_index = 0;
-
-	seq_printf(m, "%s %s\n", MODULE_NAME, MODULE_VERS);
-
-	rootdn = of_find_node_by_path("/");
-	if (rootdn) {
-		tmp = of_get_property(rootdn, "model", NULL);
-		if (tmp)
-			model = tmp;
-		tmp = of_get_property(rootdn, "system-id", NULL);
-		if (tmp)
-			system_id = tmp;
-		lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",
-					NULL);
-		if (lp_index_ptr)
-			lp_index = *lp_index_ptr;
-		of_node_put(rootdn);
-	}
-	seq_printf(m, "serial_number=%s\n", system_id);
-	seq_printf(m, "system_type=%s\n", model);
-	seq_printf(m, "partition_id=%d\n", (int)lp_index);
-
-	return pseries_lparcfg_data(m, v);
-}
-
-static int lparcfg_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, lparcfg_data, NULL);
-}
-
-static const struct file_operations lparcfg_fops = {
-	.read		= seq_read,
-	.write		= lparcfg_write,
-	.open		= lparcfg_open,
-	.release	= single_release,
-	.llseek		= seq_lseek,
-};
-
-static int __init lparcfg_init(void)
-{
-	umode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
-
-	/* Allow writing if we have FW_FEATURE_SPLPAR */
-	if (firmware_has_feature(FW_FEATURE_SPLPAR))
-		mode |= S_IWUSR;
-
-	if (!proc_create("powerpc/lparcfg", mode, NULL, &lparcfg_fops)) {
-		printk(KERN_ERR "Failed to create powerpc/lparcfg\n");
-		return -EIO;
-	}
-	return 0;
-}
-machine_device_initcall(pseries, lparcfg_init);