* Exports appldata_register_ops() and appldata_unregister_ops() for the
* data gathering modules.
*
- * Copyright (C) 2003 IBM Corporation, IBM Deutschland Entwicklung GmbH.
+ * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH.
*
- * Author: Gerald Schaefer <geraldsc@de.ibm.com>
+ * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com>
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/errno.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/smp.h>
#include <linux/interrupt.h>
#include <linux/proc_fs.h>
-#include <linux/page-flags.h>
+#include <linux/mm.h>
#include <linux/swap.h>
#include <linux/pagemap.h>
#include <linux/sysctl.h>
-#include <asm/timer.h>
-//#include <linux/kernel_stat.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/workqueue.h>
+#include <asm/appldata.h>
+#include <asm/timer.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/smp.h>
#include "appldata.h"
#define TOD_MICRO 0x01000 /* nr. of TOD clock units
for 1 microsecond */
-#ifndef CONFIG_64BIT
-
-#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */
-#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */
-#define APPLDATA_GEN_EVENT_RECORD 0x02
-#define APPLDATA_START_CONFIG_REC 0x03
-
-#else
-
-#define APPLDATA_START_INTERVAL_REC 0x80
-#define APPLDATA_STOP_REC 0x81
-#define APPLDATA_GEN_EVENT_RECORD 0x82
-#define APPLDATA_START_CONFIG_REC 0x83
-
-#endif /* CONFIG_64BIT */
-
-
-/*
- * Parameter list for DIAGNOSE X'DC'
- */
-#ifndef CONFIG_64BIT
-struct appldata_parameter_list {
- u16 diag; /* The DIAGNOSE code X'00DC' */
- u8 function; /* The function code for the DIAGNOSE */
- u8 parlist_length; /* Length of the parameter list */
- u32 product_id_addr; /* Address of the 16-byte product ID */
- u16 reserved;
- u16 buffer_length; /* Length of the application data buffer */
- u32 buffer_addr; /* Address of the application data buffer */
-};
-#else
-struct appldata_parameter_list {
- u16 diag;
- u8 function;
- u8 parlist_length;
- u32 unused01;
- u16 reserved;
- u16 buffer_length;
- u32 unused02;
- u64 product_id_addr;
- u64 buffer_addr;
-};
-#endif /* CONFIG_64BIT */
-
/*
* /proc entries (sysctl)
*/
* Work queue
*/
static struct workqueue_struct *appldata_wq;
-static void appldata_work_fn(void *data);
-static DECLARE_WORK(appldata_work, appldata_work_fn, NULL);
+static void appldata_work_fn(struct work_struct *work);
+static DECLARE_WORK(appldata_work, appldata_work_fn);
/*
*
* schedule work and reschedule timer
*/
-static void appldata_timer_function(unsigned long data, struct pt_regs *regs)
+static void appldata_timer_function(unsigned long data)
{
P_DEBUG(" -= Timer =-\n");
P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(),
*
* call data gathering function for each (active) module
*/
-static void appldata_work_fn(void *data)
+static void appldata_work_fn(struct work_struct *work)
{
struct list_head *lh;
struct appldata_ops *ops;
*
* prepare parameter list, issue DIAG 0xDC
*/
-static int appldata_diag(char record_nr, u16 function, unsigned long buffer,
- u16 length)
+int appldata_diag(char record_nr, u16 function, unsigned long buffer,
+ u16 length, char *mod_lvl)
{
- unsigned long ry;
- struct appldata_product_id {
- char prod_nr[7]; /* product nr. */
- char prod_fn[2]; /* product function */
- char record_nr; /* record nr. */
- char version_nr[2]; /* version */
- char release_nr[2]; /* release */
- char mod_lvl[2]; /* modification lvl. */
- } appldata_product_id = {
- /* all strings are EBCDIC, record_nr is byte */
+ struct appldata_product_id id = {
.prod_nr = {0xD3, 0xC9, 0xD5, 0xE4,
- 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */
- .prod_fn = {0xD5, 0xD3}, /* "NL" */
- .record_nr = record_nr,
- .version_nr = {0xF2, 0xF6}, /* "26" */
- .release_nr = {0xF0, 0xF1}, /* "01" */
- .mod_lvl = {0xF0, 0xF0}, /* "00" */
- };
- struct appldata_parameter_list appldata_parameter_list = {
- .diag = 0xDC,
- .function = function,
- .parlist_length =
- sizeof(appldata_parameter_list),
- .buffer_length = length,
- .product_id_addr =
- (unsigned long) &appldata_product_id,
- .buffer_addr = virt_to_phys((void *) buffer)
+ 0xE7, 0xD2, 0xD9}, /* "LINUXKR" */
+ .prod_fn = 0xD5D3, /* "NL" */
+ .version_nr = 0xF2F6, /* "26" */
+ .release_nr = 0xF0F1, /* "01" */
};
- if (!MACHINE_IS_VM)
- return -ENOSYS;
- ry = -1;
- asm volatile(
- "diag %1,%0,0xDC\n\t"
- : "=d" (ry)
- : "d" (&appldata_parameter_list),
- "m" (appldata_parameter_list),
- "m" (appldata_product_id)
- : "cc");
- return (int) ry;
+ id.record_nr = record_nr;
+ id.mod_lvl = (mod_lvl[0]) << 8 | mod_lvl[1];
+ return appldata_asm(&id, function, (void *) buffer, length);
}
/************************ timer, work, DIAG <END> ****************************/
if (copy_from_user(buf, buffer, len > sizeof(buf) ? sizeof(buf) : len)) {
return -EFAULT;
}
+ interval = 0;
sscanf(buf, "%i", &interval);
if (interval <= 0) {
P_ERROR("Timer CPU interval has to be > 0!\n");
module_put(ops->owner);
return -ENODEV;
}
- ops->active = 1;
ops->callback(ops->data); // init record
rc = appldata_diag(ops->record_nr,
APPLDATA_START_INTERVAL_REC,
- (unsigned long) ops->data, ops->size);
+ (unsigned long) ops->data, ops->size,
+ ops->mod_lvl);
if (rc != 0) {
P_ERROR("START DIAG 0xDC for %s failed, "
"return code: %d\n", ops->name, rc);
module_put(ops->owner);
- ops->active = 0;
} else {
P_INFO("Monitoring %s data enabled, "
"DIAG 0xDC started.\n", ops->name);
+ ops->active = 1;
}
} else if ((buf[0] == '0') && (ops->active == 1)) {
ops->active = 0;
rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,
- (unsigned long) ops->data, ops->size);
+ (unsigned long) ops->data, ops->size,
+ ops->mod_lvl);
if (rc != 0) {
P_ERROR("STOP DIAG 0xDC for %s failed, "
"return code: %d\n", ops->name, rc);
P_ERROR("ctl_nr %i already in use!\n", ops->ctl_nr);
return -EBUSY;
}
- ops->ctl_table = kmalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
+ ops->ctl_table = kzalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
if (ops->ctl_table == NULL) {
P_ERROR("Not enough memory for %s ctl_table!\n", ops->name);
return -ENOMEM;
}
- memset(ops->ctl_table, 0, 4*sizeof(struct ctl_table));
spin_lock(&appldata_ops_lock);
list_for_each(lh, &appldata_ops_list) {
spin_unlock(&appldata_timer_lock);
}
-static int
+static int __cpuinit
appldata_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
case CPU_ONLINE:
appldata_online_cpu((long) hcpu);
break;
-#ifdef CONFIG_HOTPLUG_CPU
case CPU_DEAD:
appldata_offline_cpu((long) hcpu);
break;
-#endif
default:
break;
}
return NOTIFY_OK;
}
-static struct notifier_block __devinitdata appldata_nb = {
+static struct notifier_block appldata_nb = {
.notifier_call = appldata_cpu_notify,
};
appldata_online_cpu(i);
/* Register cpu hotplug notifier */
- register_cpu_notifier(&appldata_nb);
+ register_hotcpu_notifier(&appldata_nb);
appldata_sysctl_header = register_sysctl_table(appldata_dir_table, 1);
#ifdef MODULE
list_for_each(lh, &appldata_ops_list) {
ops = list_entry(lh, struct appldata_ops, list);
rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,
- (unsigned long) ops->data, ops->size);
+ (unsigned long) ops->data, ops->size,
+ ops->mod_lvl);
if (rc != 0) {
P_ERROR("STOP DIAG 0xDC for %s failed, "
"return code: %d\n", ops->name, rc);
EXPORT_SYMBOL_GPL(appldata_register_ops);
EXPORT_SYMBOL_GPL(appldata_unregister_ops);
+EXPORT_SYMBOL_GPL(appldata_diag);
#ifdef MODULE
/*
#endif /* MODULE */
EXPORT_SYMBOL_GPL(si_swapinfo);
EXPORT_SYMBOL_GPL(nr_threads);
-EXPORT_SYMBOL_GPL(avenrun);
-EXPORT_SYMBOL_GPL(get_full_page_state);
EXPORT_SYMBOL_GPL(nr_running);
EXPORT_SYMBOL_GPL(nr_iowait);
//EXPORT_SYMBOL_GPL(nr_context_switches);
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