/* #define LPARCFG_DEBUG */
static struct proc_dir_entry *proc_ppc64_lparcfg;
-#define LPARCFG_BUFF_SIZE 4096
/*
* Track sum of all purrs across all processors. This is used to further
int processors, max_processors;
unsigned long purr = get_purr();
- shared = (int)(get_lppaca()->shared_proc);
+ shared = (int)(local_paca->lppaca_ptr->shared_proc);
seq_printf(m, "system_active_processors=%d\n",
(int)HvLpConfig_getSystemPhysicalProcessors());
/*
* Methods used to fetch LPAR data when running on a pSeries platform.
*/
-/* find a better place for this function... */
-static void log_plpar_hcall_return(unsigned long rc, char *tag)
-{
- if (rc == 0) /* success, return */
- return;
-/* check for null tag ? */
- if (rc == H_HARDWARE)
- printk(KERN_INFO
- "plpar-hcall (%s) failed with hardware fault\n", tag);
- else if (rc == H_FUNCTION)
- printk(KERN_INFO
- "plpar-hcall (%s) failed; function not allowed\n", tag);
- else if (rc == H_AUTHORITY)
- printk(KERN_INFO
- "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
- printk(KERN_INFO
- "plpar-hcall (%s) failed with unexpected rc(0x%lx)\n",
- tag, rc);
-
-}
-
/*
* H_GET_PPP hcall returns info in 4 parms.
* entitled_capacity,unallocated_capacity,
unsigned long *resource)
{
unsigned long rc;
- rc = plpar_hcall_4out(H_GET_PPP, 0, 0, 0, 0, entitled, unallocated,
- aggregation, resource);
+ unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- log_plpar_hcall_return(rc, "H_GET_PPP");
+ rc = plpar_hcall(H_GET_PPP, retbuf);
+
+ *entitled = retbuf[0];
+ *unallocated = retbuf[1];
+ *aggregation = retbuf[2];
+ *resource = retbuf[3];
return rc;
}
static void h_pic(unsigned long *pool_idle_time, unsigned long *num_procs)
{
unsigned long rc;
- unsigned long dummy;
- rc = plpar_hcall(H_PIC, 0, 0, 0, 0, pool_idle_time, num_procs, &dummy);
+ unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
+
+ rc = plpar_hcall(H_PIC, retbuf);
- if (rc != H_AUTHORITY)
- log_plpar_hcall_return(rc, "H_PIC");
+ *pool_idle_time = retbuf[0];
+ *num_procs = retbuf[1];
}
#define SPLPAR_CHARACTERISTICS_TOKEN 20
unsigned 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__);
+ __FILE__, __func__, __LINE__);
return;
}
if (call_status != 0) {
printk(KERN_INFO
"%s %s Error calling get-system-parameter (0x%x)\n",
- __FILE__, __FUNCTION__, call_status);
+ __FILE__, __func__, call_status);
} else {
int splpar_strlen;
int idx, w_idx;
- char *workbuffer = kmalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
+ char *workbuffer = kzalloc(SPLPAR_MAXLENGTH, GFP_KERNEL);
if (!workbuffer) {
printk(KERN_ERR "%s %s kmalloc failure at line %d \n",
- __FILE__, __FUNCTION__, __LINE__);
+ __FILE__, __func__, __LINE__);
kfree(local_buffer);
return;
}
splpar_strlen = local_buffer[0] * 256 + local_buffer[1];
local_buffer += 2; /* step over strlen value */
- memset(workbuffer, 0, SPLPAR_MAXLENGTH);
w_idx = 0;
idx = 0;
while ((*local_buffer) && (idx < splpar_strlen)) {
int partition_potential_processors;
int partition_active_processors;
struct device_node *rtas_node;
- int *lrdrp = NULL;
+ const int *lrdrp = NULL;
- rtas_node = find_path_device("/rtas");
+ rtas_node = of_find_node_by_path("/rtas");
if (rtas_node)
- lrdrp = (int *)get_property(rtas_node, "ibm,lrdr-capacity",
- NULL);
+ 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();
ssize_t retval = -ENOMEM;
+ if (!firmware_has_feature(FW_FEATURE_SPLPAR) ||
+ firmware_has_feature(FW_FEATURE_ISERIES))
+ return -EINVAL;
+
kbuf = kmalloc(count, GFP_KERNEL);
if (!kbuf)
goto out;
current_weight = (resource >> 5 * 8) & 0xFF;
pr_debug("%s: current_entitled = %lu, current_weight = %u\n",
- __FUNCTION__, current_entitled, current_weight);
+ __func__, current_entitled, current_weight);
pr_debug("%s: new_entitled = %lu, new_weight = %u\n",
- __FUNCTION__, *new_entitled_ptr, *new_weight_ptr);
+ __func__, *new_entitled_ptr, *new_weight_ptr);
retval = plpar_hcall_norets(H_SET_PPP, *new_entitled_ptr,
*new_weight_ptr);
retval = -EINVAL;
} else {
printk(KERN_WARNING "%s: received unknown hv return code %ld",
- __FUNCTION__, retval);
+ __func__, retval);
retval = -EIO;
}
static ssize_t lparcfg_write(struct file *file, const char __user * buf,
size_t count, loff_t * off)
{
- return count;
+ return -EINVAL;
}
#endif /* CONFIG_PPC_PSERIES */
const char *model = "";
const char *system_id = "";
const char *tmp;
- unsigned int *lp_index_ptr, lp_index = 0;
+ const unsigned int *lp_index_ptr;
+ unsigned int lp_index = 0;
seq_printf(m, "%s %s \n", MODULE_NAME, MODULE_VERS);
- rootdn = find_path_device("/");
+ rootdn = of_find_node_by_path("/");
if (rootdn) {
- tmp = get_property(rootdn, "model", NULL);
+ tmp = of_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);
+ tmp = of_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);
+ 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);
return single_open(file, lparcfg_data, NULL);
}
-struct file_operations lparcfg_fops = {
+static const struct file_operations lparcfg_fops = {
.owner = THIS_MODULE,
.read = seq_read,
+ .write = lparcfg_write,
.open = lparcfg_open,
.release = single_release,
};
-int __init lparcfg_init(void)
+static int __init lparcfg_init(void)
{
struct proc_dir_entry *ent;
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)) {
- lparcfg_fops.write = lparcfg_write;
+ !firmware_has_feature(FW_FEATURE_ISERIES))
mode |= S_IWUSR;
- }
- ent = create_proc_entry("ppc64/lparcfg", mode, NULL);
- if (ent) {
- ent->proc_fops = &lparcfg_fops;
- ent->data = kmalloc(LPARCFG_BUFF_SIZE, GFP_KERNEL);
- if (!ent->data) {
- printk(KERN_ERR
- "Failed to allocate buffer for lparcfg\n");
- remove_proc_entry("lparcfg", ent->parent);
- return -ENOMEM;
- }
- } else {
+ ent = proc_create("ppc64/lparcfg", mode, NULL, &lparcfg_fops);
+ if (!ent) {
printk(KERN_ERR "Failed to create ppc64/lparcfg\n");
return -EIO;
}
return 0;
}
-void __exit lparcfg_cleanup(void)
+static void __exit lparcfg_cleanup(void)
{
- if (proc_ppc64_lparcfg) {
- kfree(proc_ppc64_lparcfg->data);
+ if (proc_ppc64_lparcfg)
remove_proc_entry("lparcfg", proc_ppc64_lparcfg->parent);
- }
}
module_init(lparcfg_init);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff