* keyword - value pairs that specify the configuration of the partition.
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <asm/prom.h>
#include <asm/vdso_datapage.h>
-#define MODULE_VERS "1.7"
+#define MODULE_VERS "1.6"
#define MODULE_NAME "lparcfg"
/* #define LPARCFG_DEBUG */
static struct proc_dir_entry *proc_ppc64_lparcfg;
#define LPARCFG_BUFF_SIZE 4096
+#ifdef CONFIG_PPC_ISERIES
+
/*
- * Track sum of all purrs across all processors. This is used to further
- * calculate usage values by different applications
+ * For iSeries legacy systems, the PPA purr function is available from the
+ * emulated_time_base field in the paca.
*/
static unsigned long get_purr(void)
{
unsigned long sum_purr = 0;
int cpu;
- for_each_possible_cpu(cpu) {
- if (firmware_has_feature(FW_FEATURE_ISERIES))
- sum_purr += lppaca[cpu].emulated_time_base;
- else {
- struct cpu_usage *cu;
+ for_each_cpu(cpu) {
+ sum_purr += lppaca[cpu].emulated_time_base;
- cu = &per_cpu(cpu_usage_array, cpu);
- sum_purr += cu->current_tb;
- }
+#ifdef PURR_DEBUG
+ printk(KERN_INFO "get_purr for cpu (%d) has value (%ld) \n",
+ cpu, lppaca[cpu].emulated_time_base);
+#endif
}
return sum_purr;
}
-#ifdef CONFIG_PPC_ISERIES
+#define lparcfg_write NULL
/*
* Methods used to fetch LPAR data when running on an iSeries platform.
*/
-static int iseries_lparcfg_data(struct seq_file *m, void *v)
+static int lparcfg_data(struct seq_file *m, void *v)
{
- unsigned long pool_id;
+ unsigned long pool_id, lp_index;
int shared, entitled_capacity, max_entitled_capacity;
int processors, max_processors;
unsigned long purr = get_purr();
+ seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
+
shared = (int)(get_lppaca()->shared_proc);
+ seq_printf(m, "serial_number=%c%c%c%c%c%c%c\n",
+ e2a(xItExtVpdPanel.mfgID[2]),
+ e2a(xItExtVpdPanel.mfgID[3]),
+ e2a(xItExtVpdPanel.systemSerial[1]),
+ e2a(xItExtVpdPanel.systemSerial[2]),
+ e2a(xItExtVpdPanel.systemSerial[3]),
+ e2a(xItExtVpdPanel.systemSerial[4]),
+ e2a(xItExtVpdPanel.systemSerial[5]));
+
+ seq_printf(m, "system_type=%c%c%c%c\n",
+ e2a(xItExtVpdPanel.machineType[0]),
+ e2a(xItExtVpdPanel.machineType[1]),
+ e2a(xItExtVpdPanel.machineType[2]),
+ e2a(xItExtVpdPanel.machineType[3]));
+
+ lp_index = HvLpConfig_getLpIndex();
+ seq_printf(m, "partition_id=%d\n", (int)lp_index);
seq_printf(m, "system_active_processors=%d\n",
(int)HvLpConfig_getSystemPhysicalProcessors());
return 0;
}
-
-#else /* CONFIG_PPC_ISERIES */
-
-static int iseries_lparcfg_data(struct seq_file *m, void *v)
-{
- return 0;
-}
-
#endif /* CONFIG_PPC_ISERIES */
#ifdef CONFIG_PPC_PSERIES
if (rc == 0) /* success, return */
return;
/* check for null tag ? */
- if (rc == H_HARDWARE)
+ if (rc == H_Hardware)
printk(KERN_INFO
"plpar-hcall (%s) failed with hardware fault\n", tag);
- else if (rc == H_FUNCTION)
+ else if (rc == H_Function)
printk(KERN_INFO
"plpar-hcall (%s) failed; function not allowed\n", tag);
- else if (rc == H_AUTHORITY)
+ else if (rc == H_Authority)
printk(KERN_INFO
- "plpar-hcall (%s) failed; not authorized to this"
- " function\n", tag);
- else if (rc == H_PARAMETER)
+ "plpar-hcall (%s) failed; not authorized to this function\n",
+ tag);
+ else if (rc == H_Parameter)
printk(KERN_INFO "plpar-hcall (%s) failed; Bad parameter(s)\n",
tag);
else
unsigned long dummy;
rc = plpar_hcall(H_PIC, 0, 0, 0, 0, pool_idle_time, num_procs, &dummy);
- if (rc != H_AUTHORITY)
+ if (rc != H_Authority)
log_plpar_hcall_return(rc, "H_PIC");
}
+/* 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;
+ struct cpu_usage *cu;
+
+ for_each_cpu(cpu) {
+ cu = &per_cpu(cpu_usage_array, cpu);
+ sum_purr += cu->current_tb;
+ }
+ return sum_purr;
+}
+
#define SPLPAR_CHARACTERISTICS_TOKEN 20
#define SPLPAR_MAXLENGTH 1026*(sizeof(char))
{
int call_status;
- unsigned char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
+ char *local_buffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
if (!local_buffer) {
printk(KERN_ERR "%s %s kmalloc failure at line %d \n",
__FILE__, __FUNCTION__, __LINE__);
call_status = rtas_call(rtas_token("ibm,get-system-parameter"), 3, 1,
NULL,
SPLPAR_CHARACTERISTICS_TOKEN,
- __pa(rtas_data_buf),
- RTAS_DATA_BUF_SIZE);
+ __pa(rtas_data_buf));
memcpy(local_buffer, rtas_data_buf, SPLPAR_MAXLENGTH);
spin_unlock(&rtas_data_buf_lock);
#ifdef LPARCFG_DEBUG
printk(KERN_INFO "success calling get-system-parameter \n");
#endif
- splpar_strlen = local_buffer[0] * 256 + local_buffer[1];
+ splpar_strlen = local_buffer[0] * 16 + local_buffer[1];
local_buffer += 2; /* step over strlen value */
memset(workbuffer, 0, SPLPAR_MAXLENGTH);
return count;
}
-static int pseries_lparcfg_data(struct seq_file *m, void *v)
+static int lparcfg_data(struct seq_file *m, void *v)
{
int partition_potential_processors;
int partition_active_processors;
+ struct device_node *rootdn;
+ const char *model = "";
+ const char *system_id = "";
+ unsigned int *lp_index_ptr, lp_index = 0;
struct device_node *rtas_node;
int *lrdrp = NULL;
+ rootdn = find_path_device("/");
+ if (rootdn) {
+ model = get_property(rootdn, "model", NULL);
+ system_id = get_property(rootdn, "system-id", NULL);
+ lp_index_ptr = (unsigned int *)
+ get_property(rootdn, "ibm,partition-no", NULL);
+ if (lp_index_ptr)
+ lp_index = *lp_index_ptr;
+ }
+
+ seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
+
+ 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);
+
rtas_node = find_path_device("/rtas");
if (rtas_node)
lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity",
current_weight = (resource >> 5 * 8) & 0xFF;
- pr_debug("%s: current_entitled = %lu, current_weight = %u\n",
+ pr_debug("%s: current_entitled = %lu, current_weight = %lu\n",
__FUNCTION__, current_entitled, current_weight);
- pr_debug("%s: new_entitled = %lu, new_weight = %u\n",
+ pr_debug("%s: new_entitled = %lu, new_weight = %lu\n",
__FUNCTION__, *new_entitled_ptr, *new_weight_ptr);
retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,
*new_weight_ptr);
- if (retval == H_SUCCESS || retval == H_CONSTRAINED) {
+ if (retval == H_Success || retval == H_Constrained) {
retval = count;
- } else if (retval == H_BUSY) {
+ } else if (retval == H_Busy) {
retval = -EBUSY;
- } else if (retval == H_HARDWARE) {
+ } else if (retval == H_Hardware) {
retval = -EIO;
- } else if (retval == H_PARAMETER) {
+ } else if (retval == H_Parameter) {
retval = -EINVAL;
} else {
printk(KERN_WARNING "%s: received unknown hv return code %ld",
return retval;
}
-#else /* CONFIG_PPC_PSERIES */
-
-static int pseries_lparcfg_data(struct seq_file *m, void *v)
-{
- return 0;
-}
-
-static ssize_t lparcfg_write(struct file *file, const char __user * buf,
- size_t count, loff_t * off)
-{
- return count;
-}
-
#endif /* CONFIG_PPC_PSERIES */
-static int lparcfg_data(struct seq_file *m, void *v)
-{
- struct device_node *rootdn;
- const char *model = "";
- const char *system_id = "";
- const char *tmp;
- unsigned int *lp_index_ptr, lp_index = 0;
-
- seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
-
- rootdn = find_path_device("/");
- if (rootdn) {
- tmp = get_property(rootdn, "model", NULL);
- if (tmp) {
- model = tmp;
- /* Skip "IBM," - see platforms/iseries/dt.c */
- if (firmware_has_feature(FW_FEATURE_ISERIES))
- model += 4;
- }
- tmp = get_property(rootdn, "system-id", NULL);
- if (tmp) {
- system_id = tmp;
- /* Skip "IBM," - see platforms/iseries/dt.c */
- if (firmware_has_feature(FW_FEATURE_ISERIES))
- system_id += 4;
- }
- lp_index_ptr = (unsigned int *)
- get_property(rootdn, "ibm,partition-no", NULL);
- if (lp_index_ptr)
- lp_index = *lp_index_ptr;
- }
- 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);
-
- if (firmware_has_feature(FW_FEATURE_ISERIES))
- return iseries_lparcfg_data(m, v);
- return pseries_lparcfg_data(m, v);
-}
-
static int lparcfg_open(struct inode *inode, struct file *file)
{
return single_open(file, lparcfg_data, NULL);
mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
/* Allow writing if we have FW_FEATURE_SPLPAR */
- if (firmware_has_feature(FW_FEATURE_SPLPAR) &&
- !firmware_has_feature(FW_FEATURE_ISERIES)) {
+ if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
lparcfg_fops.write = lparcfg_write;
mode |= S_IWUSR;
}