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-rw-r--r--arch/ppc64/kernel/Makefile4
-rw-r--r--arch/ppc64/kernel/rtas-proc.c808
-rw-r--r--arch/ppc64/kernel/rtas_flash.c725
-rw-r--r--arch/ppc64/kernel/rtasd.c527
4 files changed, 1 insertions, 2063 deletions
diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
index 990df0905c8..74892ad032b 100644
--- a/arch/ppc64/kernel/Makefile
+++ b/arch/ppc64/kernel/Makefile
@@ -29,19 +29,17 @@ ifneq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
endif
-obj-$(CONFIG_PPC_PSERIES) += rtasd.o udbg_16550.o
+obj-$(CONFIG_PPC_PSERIES) += udbg_16550.o
obj-$(CONFIG_KEXEC) += machine_kexec.o
obj-$(CONFIG_EEH) += eeh.o
obj-$(CONFIG_PROC_FS) += proc_ppc64.o
-obj-$(CONFIG_RTAS_FLASH) += rtas_flash.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_MODULES) += module.o
ifneq ($(CONFIG_PPC_MERGE),y)
obj-$(CONFIG_MODULES) += ppc_ksyms.o
endif
obj-$(CONFIG_PPC_RTAS) += rtas_pci.o
-obj-$(CONFIG_RTAS_PROC) += rtas-proc.o
obj-$(CONFIG_SCANLOG) += scanlog.o
obj-$(CONFIG_LPARCFG) += lparcfg.o
obj-$(CONFIG_HVC_CONSOLE) += hvconsole.o
diff --git a/arch/ppc64/kernel/rtas-proc.c b/arch/ppc64/kernel/rtas-proc.c
deleted file mode 100644
index 5bdd5b079d9..00000000000
--- a/arch/ppc64/kernel/rtas-proc.c
+++ /dev/null
@@ -1,808 +0,0 @@
-/*
- * arch/ppc64/kernel/rtas-proc.c
- * Copyright (C) 2000 Tilmann Bitterberg
- * (tilmann@bitterberg.de)
- *
- * RTAS (Runtime Abstraction Services) stuff
- * Intention is to provide a clean user interface
- * to use the RTAS.
- *
- * TODO:
- * Split off a header file and maybe move it to a different
- * location. Write Documentation on what the /proc/rtas/ entries
- * actually do.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/ctype.h>
-#include <linux/time.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-#include <linux/bitops.h>
-#include <linux/rtc.h>
-
-#include <asm/uaccess.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/rtas.h>
-#include <asm/machdep.h> /* for ppc_md */
-#include <asm/time.h>
-#include <asm/systemcfg.h>
-
-/* Token for Sensors */
-#define KEY_SWITCH 0x0001
-#define ENCLOSURE_SWITCH 0x0002
-#define THERMAL_SENSOR 0x0003
-#define LID_STATUS 0x0004
-#define POWER_SOURCE 0x0005
-#define BATTERY_VOLTAGE 0x0006
-#define BATTERY_REMAINING 0x0007
-#define BATTERY_PERCENTAGE 0x0008
-#define EPOW_SENSOR 0x0009
-#define BATTERY_CYCLESTATE 0x000a
-#define BATTERY_CHARGING 0x000b
-
-/* IBM specific sensors */
-#define IBM_SURVEILLANCE 0x2328 /* 9000 */
-#define IBM_FANRPM 0x2329 /* 9001 */
-#define IBM_VOLTAGE 0x232a /* 9002 */
-#define IBM_DRCONNECTOR 0x232b /* 9003 */
-#define IBM_POWERSUPPLY 0x232c /* 9004 */
-
-/* Status return values */
-#define SENSOR_CRITICAL_HIGH 13
-#define SENSOR_WARNING_HIGH 12
-#define SENSOR_NORMAL 11
-#define SENSOR_WARNING_LOW 10
-#define SENSOR_CRITICAL_LOW 9
-#define SENSOR_SUCCESS 0
-#define SENSOR_HW_ERROR -1
-#define SENSOR_BUSY -2
-#define SENSOR_NOT_EXIST -3
-#define SENSOR_DR_ENTITY -9000
-
-/* Location Codes */
-#define LOC_SCSI_DEV_ADDR 'A'
-#define LOC_SCSI_DEV_LOC 'B'
-#define LOC_CPU 'C'
-#define LOC_DISKETTE 'D'
-#define LOC_ETHERNET 'E'
-#define LOC_FAN 'F'
-#define LOC_GRAPHICS 'G'
-/* reserved / not used 'H' */
-#define LOC_IO_ADAPTER 'I'
-/* reserved / not used 'J' */
-#define LOC_KEYBOARD 'K'
-#define LOC_LCD 'L'
-#define LOC_MEMORY 'M'
-#define LOC_NV_MEMORY 'N'
-#define LOC_MOUSE 'O'
-#define LOC_PLANAR 'P'
-#define LOC_OTHER_IO 'Q'
-#define LOC_PARALLEL 'R'
-#define LOC_SERIAL 'S'
-#define LOC_DEAD_RING 'T'
-#define LOC_RACKMOUNTED 'U' /* for _u_nit is rack mounted */
-#define LOC_VOLTAGE 'V'
-#define LOC_SWITCH_ADAPTER 'W'
-#define LOC_OTHER 'X'
-#define LOC_FIRMWARE 'Y'
-#define LOC_SCSI 'Z'
-
-/* Tokens for indicators */
-#define TONE_FREQUENCY 0x0001 /* 0 - 1000 (HZ)*/
-#define TONE_VOLUME 0x0002 /* 0 - 100 (%) */
-#define SYSTEM_POWER_STATE 0x0003
-#define WARNING_LIGHT 0x0004
-#define DISK_ACTIVITY_LIGHT 0x0005
-#define HEX_DISPLAY_UNIT 0x0006
-#define BATTERY_WARNING_TIME 0x0007
-#define CONDITION_CYCLE_REQUEST 0x0008
-#define SURVEILLANCE_INDICATOR 0x2328 /* 9000 */
-#define DR_ACTION 0x2329 /* 9001 */
-#define DR_INDICATOR 0x232a /* 9002 */
-/* 9003 - 9004: Vendor specific */
-/* 9006 - 9999: Vendor specific */
-
-/* other */
-#define MAX_SENSORS 17 /* I only know of 17 sensors */
-#define MAX_LINELENGTH 256
-#define SENSOR_PREFIX "ibm,sensor-"
-#define cel_to_fahr(x) ((x*9/5)+32)
-
-
-/* Globals */
-static struct rtas_sensors sensors;
-static struct device_node *rtas_node = NULL;
-static unsigned long power_on_time = 0; /* Save the time the user set */
-static char progress_led[MAX_LINELENGTH];
-
-static unsigned long rtas_tone_frequency = 1000;
-static unsigned long rtas_tone_volume = 0;
-
-/* ****************STRUCTS******************************************* */
-struct individual_sensor {
- unsigned int token;
- unsigned int quant;
-};
-
-struct rtas_sensors {
- struct individual_sensor sensor[MAX_SENSORS];
- unsigned int quant;
-};
-
-/* ****************************************************************** */
-/* Declarations */
-static int ppc_rtas_sensors_show(struct seq_file *m, void *v);
-static int ppc_rtas_clock_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_clock_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_progress_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_progress_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_poweron_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_poweron_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-
-static ssize_t ppc_rtas_tone_freq_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v);
-static ssize_t ppc_rtas_tone_volume_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos);
-static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v);
-static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v);
-
-static int sensors_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_sensors_show, NULL);
-}
-
-struct file_operations ppc_rtas_sensors_operations = {
- .open = sensors_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int poweron_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_poweron_show, NULL);
-}
-
-struct file_operations ppc_rtas_poweron_operations = {
- .open = poweron_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = ppc_rtas_poweron_write,
- .release = single_release,
-};
-
-static int progress_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_progress_show, NULL);
-}
-
-struct file_operations ppc_rtas_progress_operations = {
- .open = progress_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = ppc_rtas_progress_write,
- .release = single_release,
-};
-
-static int clock_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_clock_show, NULL);
-}
-
-struct file_operations ppc_rtas_clock_operations = {
- .open = clock_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = ppc_rtas_clock_write,
- .release = single_release,
-};
-
-static int tone_freq_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_tone_freq_show, NULL);
-}
-
-struct file_operations ppc_rtas_tone_freq_operations = {
- .open = tone_freq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = ppc_rtas_tone_freq_write,
- .release = single_release,
-};
-
-static int tone_volume_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_tone_volume_show, NULL);
-}
-
-struct file_operations ppc_rtas_tone_volume_operations = {
- .open = tone_volume_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .write = ppc_rtas_tone_volume_write,
- .release = single_release,
-};
-
-static int rmo_buf_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ppc_rtas_rmo_buf_show, NULL);
-}
-
-struct file_operations ppc_rtas_rmo_buf_ops = {
- .open = rmo_buf_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int ppc_rtas_find_all_sensors(void);
-static void ppc_rtas_process_sensor(struct seq_file *m,
- struct individual_sensor *s, int state, int error, char *loc);
-static char *ppc_rtas_process_error(int error);
-static void get_location_code(struct seq_file *m,
- struct individual_sensor *s, char *loc);
-static void check_location_string(struct seq_file *m, char *c);
-static void check_location(struct seq_file *m, char *c);
-
-static int __init proc_rtas_init(void)
-{
- struct proc_dir_entry *entry;
-
- if (!(systemcfg->platform & PLATFORM_PSERIES))
- return 1;
-
- rtas_node = of_find_node_by_name(NULL, "rtas");
- if (rtas_node == NULL)
- return 1;
-
- entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_progress_operations;
-
- entry = create_proc_entry("ppc64/rtas/clock", S_IRUGO|S_IWUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_clock_operations;
-
- entry = create_proc_entry("ppc64/rtas/poweron", S_IWUSR|S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_poweron_operations;
-
- entry = create_proc_entry("ppc64/rtas/sensors", S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_sensors_operations;
-
- entry = create_proc_entry("ppc64/rtas/frequency", S_IWUSR|S_IRUGO,
- NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_tone_freq_operations;
-
- entry = create_proc_entry("ppc64/rtas/volume", S_IWUSR|S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_tone_volume_operations;
-
- entry = create_proc_entry("ppc64/rtas/rmo_buffer", S_IRUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_rmo_buf_ops;
-
- return 0;
-}
-
-__initcall(proc_rtas_init);
-
-static int parse_number(const char __user *p, size_t count, unsigned long *val)
-{
- char buf[40];
- char *end;
-
- if (count > 39)
- return -EINVAL;
-
- if (copy_from_user(buf, p, count))
- return -EFAULT;
-
- buf[count] = 0;
-
- *val = simple_strtoul(buf, &end, 10);
- if (*end && *end != '\n')
- return -EINVAL;
-
- return 0;
-}
-
-/* ****************************************************************** */
-/* POWER-ON-TIME */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_poweron_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos)
-{
- struct rtc_time tm;
- unsigned long nowtime;
- int error = parse_number(buf, count, &nowtime);
- if (error)
- return error;
-
- power_on_time = nowtime; /* save the time */
-
- to_tm(nowtime, &tm);
-
- error = rtas_call(rtas_token("set-time-for-power-on"), 7, 1, NULL,
- tm.tm_year, tm.tm_mon, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec, 0 /* nano */);
- if (error)
- printk(KERN_WARNING "error: setting poweron time returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_poweron_show(struct seq_file *m, void *v)
-{
- if (power_on_time == 0)
- seq_printf(m, "Power on time not set\n");
- else
- seq_printf(m, "%lu\n",power_on_time);
- return 0;
-}
-
-/* ****************************************************************** */
-/* PROGRESS */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_progress_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos)
-{
- unsigned long hex;
-
- if (count >= MAX_LINELENGTH)
- count = MAX_LINELENGTH -1;
- if (copy_from_user(progress_led, buf, count)) { /* save the string */
- return -EFAULT;
- }
- progress_led[count] = 0;
-
- /* Lets see if the user passed hexdigits */
- hex = simple_strtoul(progress_led, NULL, 10);
-
- rtas_progress ((char *)progress_led, hex);
- return count;
-
- /* clear the line */
- /* rtas_progress(" ", 0xffff);*/
-}
-/* ****************************************************************** */
-static int ppc_rtas_progress_show(struct seq_file *m, void *v)
-{
- if (progress_led)
- seq_printf(m, "%s\n", progress_led);
- return 0;
-}
-
-/* ****************************************************************** */
-/* CLOCK */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_clock_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos)
-{
- struct rtc_time tm;
- unsigned long nowtime;
- int error = parse_number(buf, count, &nowtime);
- if (error)
- return error;
-
- to_tm(nowtime, &tm);
- error = rtas_call(rtas_token("set-time-of-day"), 7, 1, NULL,
- tm.tm_year, tm.tm_mon, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
- if (error)
- printk(KERN_WARNING "error: setting the clock returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_clock_show(struct seq_file *m, void *v)
-{
- int ret[8];
- int error = rtas_call(rtas_token("get-time-of-day"), 0, 8, ret);
-
- if (error) {
- printk(KERN_WARNING "error: reading the clock returned: %s\n",
- ppc_rtas_process_error(error));
- seq_printf(m, "0");
- } else {
- unsigned int year, mon, day, hour, min, sec;
- year = ret[0]; mon = ret[1]; day = ret[2];
- hour = ret[3]; min = ret[4]; sec = ret[5];
- seq_printf(m, "%lu\n",
- mktime(year, mon, day, hour, min, sec));
- }
- return 0;
-}
-
-/* ****************************************************************** */
-/* SENSOR STUFF */
-/* ****************************************************************** */
-static int ppc_rtas_sensors_show(struct seq_file *m, void *v)
-{
- int i,j;
- int state, error;
- int get_sensor_state = rtas_token("get-sensor-state");
-
- seq_printf(m, "RTAS (RunTime Abstraction Services) Sensor Information\n");
- seq_printf(m, "Sensor\t\tValue\t\tCondition\tLocation\n");
- seq_printf(m, "********************************************************\n");
-
- if (ppc_rtas_find_all_sensors() != 0) {
- seq_printf(m, "\nNo sensors are available\n");
- return 0;
- }
-
- for (i=0; i<sensors.quant; i++) {
- struct individual_sensor *p = &sensors.sensor[i];
- char rstr[64];
- char *loc;
- int llen, offs;
-
- sprintf (rstr, SENSOR_PREFIX"%04d", p->token);
- loc = (char *) get_property(rtas_node, rstr, &llen);
-
- /* A sensor may have multiple instances */
- for (j = 0, offs = 0; j <= p->quant; j++) {
- error = rtas_call(get_sensor_state, 2, 2, &state,
- p->token, j);
-
- ppc_rtas_process_sensor(m, p, state, error, loc);
- seq_putc(m, '\n');
- if (loc) {
- offs += strlen(loc) + 1;
- loc += strlen(loc) + 1;
- if (offs >= llen)
- loc = NULL;
- }
- }
- }
- return 0;
-}
-
-/* ****************************************************************** */
-
-static int ppc_rtas_find_all_sensors(void)
-{
- unsigned int *utmp;
- int len, i;
-
- utmp = (unsigned int *) get_property(rtas_node, "rtas-sensors", &len);
- if (utmp == NULL) {
- printk (KERN_ERR "error: could not get rtas-sensors\n");
- return 1;
- }
-
- sensors.quant = len / 8; /* int + int */
-
- for (i=0; i<sensors.quant; i++) {
- sensors.sensor[i].token = *utmp++;
- sensors.sensor[i].quant = *utmp++;
- }
- return 0;
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string of what rtas returned
- */
-static char *ppc_rtas_process_error(int error)
-{
- switch (error) {
- case SENSOR_CRITICAL_HIGH:
- return "(critical high)";
- case SENSOR_WARNING_HIGH:
- return "(warning high)";
- case SENSOR_NORMAL:
- return "(normal)";
- case SENSOR_WARNING_LOW:
- return "(warning low)";
- case SENSOR_CRITICAL_LOW:
- return "(critical low)";
- case SENSOR_SUCCESS:
- return "(read ok)";
- case SENSOR_HW_ERROR:
- return "(hardware error)";
- case SENSOR_BUSY:
- return "(busy)";
- case SENSOR_NOT_EXIST:
- return "(non existent)";
- case SENSOR_DR_ENTITY:
- return "(dr entity removed)";
- default:
- return "(UNKNOWN)";
- }
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string out of what the sensor said
- */
-
-static void ppc_rtas_process_sensor(struct seq_file *m,
- struct individual_sensor *s, int state, int error, char *loc)
-{
- /* Defined return vales */
- const char * key_switch[] = { "Off\t", "Normal\t", "Secure\t",
- "Maintenance" };
- const char * enclosure_switch[] = { "Closed", "Open" };
- const char * lid_status[] = { " ", "Open", "Closed" };
- const char * power_source[] = { "AC\t", "Battery",
- "AC & Battery" };
- const char * battery_remaining[] = { "Very Low", "Low", "Mid", "High" };
- const char * epow_sensor[] = {
- "EPOW Reset", "Cooling warning", "Power warning",
- "System shutdown", "System halt", "EPOW main enclosure",
- "EPOW power off" };
- const char * battery_cyclestate[] = { "None", "In progress",
- "Requested" };
- const char * battery_charging[] = { "Charging", "Discharching",
- "No current flow" };
- const char * ibm_drconnector[] = { "Empty", "Present", "Unusable",
- "Exchange" };
-
- int have_strings = 0;
- int num_states = 0;
- int temperature = 0;
- int unknown = 0;
-
- /* What kind of sensor do we have here? */
-
- switch (s->token) {
- case KEY_SWITCH:
- seq_printf(m, "Key switch:\t");
- num_states = sizeof(key_switch) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t", key_switch[state]);
- have_strings = 1;
- }
- break;
- case ENCLOSURE_SWITCH:
- seq_printf(m, "Enclosure switch:\t");
- num_states = sizeof(enclosure_switch) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t",
- enclosure_switch[state]);
- have_strings = 1;
- }
- break;
- case THERMAL_SENSOR:
- seq_printf(m, "Temp. (C/F):\t");
- temperature = 1;
- break;
- case LID_STATUS:
- seq_printf(m, "Lid status:\t");
- num_states = sizeof(lid_status) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t", lid_status[state]);
- have_strings = 1;
- }
- break;
- case POWER_SOURCE:
- seq_printf(m, "Power source:\t");
- num_states = sizeof(power_source) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t",
- power_source[state]);
- have_strings = 1;
- }
- break;
- case BATTERY_VOLTAGE:
- seq_printf(m, "Battery voltage:\t");
- break;
- case BATTERY_REMAINING:
- seq_printf(m, "Battery remaining:\t");
- num_states = sizeof(battery_remaining) / sizeof(char *);
- if (state < num_states)
- {
- seq_printf(m, "%s\t",
- battery_remaining[state]);
- have_strings = 1;
- }
- break;
- case BATTERY_PERCENTAGE:
- seq_printf(m, "Battery percentage:\t");
- break;
- case EPOW_SENSOR:
- seq_printf(m, "EPOW Sensor:\t");
- num_states = sizeof(epow_sensor) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t", epow_sensor[state]);
- have_strings = 1;
- }
- break;
- case BATTERY_CYCLESTATE:
- seq_printf(m, "Battery cyclestate:\t");
- num_states = sizeof(battery_cyclestate) /
- sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t",
- battery_cyclestate[state]);
- have_strings = 1;
- }
- break;
- case BATTERY_CHARGING:
- seq_printf(m, "Battery Charging:\t");
- num_states = sizeof(battery_charging) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t",
- battery_charging[state]);
- have_strings = 1;
- }
- break;
- case IBM_SURVEILLANCE:
- seq_printf(m, "Surveillance:\t");
- break;
- case IBM_FANRPM:
- seq_printf(m, "Fan (rpm):\t");
- break;
- case IBM_VOLTAGE:
- seq_printf(m, "Voltage (mv):\t");
- break;
- case IBM_DRCONNECTOR:
- seq_printf(m, "DR connector:\t");
- num_states = sizeof(ibm_drconnector) / sizeof(char *);
- if (state < num_states) {
- seq_printf(m, "%s\t",
- ibm_drconnector[state]);
- have_strings = 1;
- }
- break;
- case IBM_POWERSUPPLY:
- seq_printf(m, "Powersupply:\t");
- break;
- default:
- seq_printf(m, "Unknown sensor (type %d), ignoring it\n",
- s->token);
- unknown = 1;
- have_strings = 1;
- break;
- }
- if (have_strings == 0) {
- if (temperature) {
- seq_printf(m, "%4d /%4d\t", state, cel_to_fahr(state));
- } else
- seq_printf(m, "%10d\t", state);
- }
- if (unknown == 0) {
- seq_printf(m, "%s\t", ppc_rtas_process_error(error));
- get_location_code(m, s, loc);
- }
-}
-
-/* ****************************************************************** */
-
-static void check_location(struct seq_file *m, char *c)
-{
- switch (c[0]) {
- case LOC_PLANAR:
- seq_printf(m, "Planar #%c", c[1]);
- break;
- case LOC_CPU:
- seq_printf(m, "CPU #%c", c[1]);
- break;
- case LOC_FAN:
- seq_printf(m, "Fan #%c", c[1]);
- break;
- case LOC_RACKMOUNTED:
- seq_printf(m, "Rack #%c", c[1]);
- break;
- case LOC_VOLTAGE:
- seq_printf(m, "Voltage #%c", c[1]);
- break;
- case LOC_LCD:
- seq_printf(m, "LCD #%c", c[1]);
- break;
- case '.':
- seq_printf(m, "- %c", c[1]);
- break;
- default:
- seq_printf(m, "Unknown location");
- break;
- }
-}
-
-
-/* ****************************************************************** */
-/*
- * Format:
- * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
- * the '.' may be an abbrevation
- */
-static void check_location_string(struct seq_file *m, char *c)
-{
- while (*c) {
- if (isalpha(*c) || *c == '.')
- check_location(m, c);
- else if (*c == '/' || *c == '-')
- seq_printf(m, " at ");
- c++;
- }
-}
-
-
-/* ****************************************************************** */
-
-static void get_location_code(struct seq_file *m, struct individual_sensor *s, char *loc)
-{
- if (!loc || !*loc) {
- seq_printf(m, "---");/* does not have a location */
- } else {
- check_location_string(m, loc);
- }
- seq_putc(m, ' ');
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Frequency */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_freq_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos)
-{
- unsigned long freq;
- int error = parse_number(buf, count, &freq);
- if (error)
- return error;
-
- rtas_tone_frequency = freq; /* save it for later */
- error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
- TONE_FREQUENCY, 0, freq);
- if (error)
- printk(KERN_WARNING "error: setting tone frequency returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%lu\n", rtas_tone_frequency);
- return 0;
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Volume */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_volume_write(struct file *file,
- const char __user *buf, size_t count, loff_t *ppos)
-{
- unsigned long volume;
- int error = parse_number(buf, count, &volume);
- if (error)
- return error;
-
- if (volume > 100)
- volume = 100;
-
- rtas_tone_volume = volume; /* save it for later */
- error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
- TONE_VOLUME, 0, volume);
- if (error)
- printk(KERN_WARNING "error: setting tone volume returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%lu\n", rtas_tone_volume);
- return 0;
-}
-
-#define RMO_READ_BUF_MAX 30
-
-/* RTAS Userspace access */
-static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v)
-{
- seq_printf(m, "%016lx %x\n", rtas_rmo_buf, RTAS_RMOBUF_MAX);
- return 0;
-}
diff --git a/arch/ppc64/kernel/rtas_flash.c b/arch/ppc64/kernel/rtas_flash.c
deleted file mode 100644
index 923e2e201a7..00000000000
--- a/arch/ppc64/kernel/rtas_flash.c
+++ /dev/null
@@ -1,725 +0,0 @@
-/*
- * c 2001 PPC 64 Team, IBM Corp
- *
- * 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.
- *
- * /proc/ppc64/rtas/firmware_flash interface
- *
- * This file implements a firmware_flash interface to pump a firmware
- * image into the kernel. At reboot time rtas_restart() will see the
- * firmware image and flash it as it reboots (see rtas.c).
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/proc_fs.h>
-#include <asm/delay.h>
-#include <asm/uaccess.h>
-#include <asm/rtas.h>
-
-#define MODULE_VERS "1.0"
-#define MODULE_NAME "rtas_flash"
-
-#define FIRMWARE_FLASH_NAME "firmware_flash"
-#define FIRMWARE_UPDATE_NAME "firmware_update"
-#define MANAGE_FLASH_NAME "manage_flash"
-#define VALIDATE_FLASH_NAME "validate_flash"
-
-/* General RTAS Status Codes */
-#define RTAS_RC_SUCCESS 0
-#define RTAS_RC_HW_ERR -1
-#define RTAS_RC_BUSY -2
-
-/* Flash image status values */
-#define FLASH_AUTH -9002 /* RTAS Not Service Authority Partition */
-#define FLASH_NO_OP -1099 /* No operation initiated by user */
-#define FLASH_IMG_SHORT -1005 /* Flash image shorter than expected */
-#define FLASH_IMG_BAD_LEN -1004 /* Bad length value in flash list block */
-#define FLASH_IMG_NULL_DATA -1003 /* Bad data value in flash list block */
-#define FLASH_IMG_READY 0 /* Firmware img ready for flash on reboot */
-
-/* Manage image status values */
-#define MANAGE_AUTH -9002 /* RTAS Not Service Authority Partition */
-#define MANAGE_ACTIVE_ERR -9001 /* RTAS Cannot Overwrite Active Img */
-#define MANAGE_NO_OP -1099 /* No operation initiated by user */
-#define MANAGE_PARAM_ERR -3 /* RTAS Parameter Error */
-#define MANAGE_HW_ERR -1 /* RTAS Hardware Error */
-
-/* Validate image status values */
-#define VALIDATE_AUTH -9002 /* RTAS Not Service Authority Partition */
-#define VALIDATE_NO_OP -1099 /* No operation initiated by the user */
-#define VALIDATE_INCOMPLETE -1002 /* User copied < VALIDATE_BUF_SIZE */
-#define VALIDATE_READY -1001 /* Firmware image ready for validation */
-#define VALIDATE_PARAM_ERR -3 /* RTAS Parameter Error */
-#define VALIDATE_HW_ERR -1 /* RTAS Hardware Error */
-#define VALIDATE_TMP_UPDATE 0 /* Validate Return Status */
-#define VALIDATE_FLASH_AUTH 1 /* Validate Return Status */
-#define VALIDATE_INVALID_IMG 2 /* Validate Return Status */
-#define VALIDATE_CUR_UNKNOWN 3 /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT_DL 4 /* Validate Return Status */
-#define VALIDATE_TMP_COMMIT 5 /* Validate Return Status */
-#define VALIDATE_TMP_UPDATE_DL 6 /* Validate Return Status */
-
-/* ibm,manage-flash-image operation tokens */
-#define RTAS_REJECT_TMP_IMG 0
-#define RTAS_COMMIT_TMP_IMG 1
-
-/* Array sizes */
-#define VALIDATE_BUF_SIZE 4096
-#define RTAS_MSG_MAXLEN 64
-
-/* Local copy of the flash block list.
- * We only allow one open of the flash proc file and create this
- * list as we go. This list will be put in the kernel's
- * rtas_firmware_flash_list global var once it is fully read.
- *
- * For convenience as we build the list we use virtual addrs,
- * we do not fill in the version number, and the length field
- * is treated as the number of entries currently in the block
- * (i.e. not a byte count). This is all fixed on release.
- */
-
-/* Status int must be first member of struct */
-struct rtas_update_flash_t
-{
- int status; /* Flash update status */
- struct flash_block_list *flist; /* Local copy of flash block list */
-};
-
-/* Status int must be first member of struct */
-struct rtas_manage_flash_t
-{
- int status; /* Returned status */
- unsigned int op; /* Reject or commit image */
-};
-
-/* Status int must be first member of struct */
-struct rtas_validate_flash_t
-{
- int status; /* Returned status */
- char buf[VALIDATE_BUF_SIZE]; /* Candidate image buffer */
- unsigned int buf_size; /* Size of image buf */
- unsigned int update_results; /* Update results token */
-};
-
-static DEFINE_SPINLOCK(flash_file_open_lock);
-static struct proc_dir_entry *firmware_flash_pde;
-static struct proc_dir_entry *firmware_update_pde;
-static struct proc_dir_entry *validate_pde;
-static struct proc_dir_entry *manage_pde;
-
-/* Do simple sanity checks on the flash image. */
-static int flash_list_valid(struct flash_block_list *flist)
-{
- struct flash_block_list *f;
- int i;
- unsigned long block_size, image_size;
-
- /* Paranoid self test here. We also collect the image size. */
- image_size = 0;
- for (f = flist; f; f = f->next) {
- for (i = 0; i < f->num_blocks; i++) {
- if (f->blocks[i].data == NULL) {
- return FLASH_IMG_NULL_DATA;
- }
- block_size = f->blocks[i].length;
- if (block_size <= 0 || block_size > PAGE_SIZE) {
- return FLASH_IMG_BAD_LEN;
- }
- image_size += block_size;
- }
- }
-
- if (image_size < (256 << 10)) {
- if (image_size < 2)
- return FLASH_NO_OP;
- }
-
- printk(KERN_INFO "FLASH: flash image with %ld bytes stored for hardware flash on reboot\n", image_size);
-
- return FLASH_IMG_READY;
-}
-
-static void free_flash_list(struct flash_block_list *f)
-{
- struct flash_block_list *next;
- int i;
-
- while (f) {
- for (i = 0; i < f->num_blocks; i++)
- free_page((unsigned long)(f->blocks[i].data));
- next = f->next;
- free_page((unsigned long)f);
- f = next;
- }
-}
-
-static int rtas_flash_release(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_update_flash_t *uf;
-
- uf = (struct rtas_update_flash_t *) dp->data;
- if (uf->flist) {
- /* File was opened in write mode for a new flash attempt */
- /* Clear saved list */
- if (rtas_firmware_flash_list.next) {
- free_flash_list(rtas_firmware_flash_list.next);
- rtas_firmware_flash_list.next = NULL;
- }
-
- if (uf->status != FLASH_AUTH)
- uf->status = flash_list_valid(uf->flist);
-
- if (uf->status == FLASH_IMG_READY)
- rtas_firmware_flash_list.next = uf->flist;
- else
- free_flash_list(uf->flist);
-
- uf->flist = NULL;
- }
-
- atomic_dec(&dp->count);
- return 0;
-}
-
-static void get_flash_status_msg(int status, char *buf)
-{
- char *msg;
-
- switch (status) {
- case FLASH_AUTH:
- msg = "error: this partition does not have service authority\n";
- break;
- case FLASH_NO_OP:
- msg = "info: no firmware image for flash\n";
- break;
- case FLASH_IMG_SHORT:
- msg = "error: flash image short\n";
- break;
- case FLASH_IMG_BAD_LEN:
- msg = "error: internal error bad length\n";
- break;
- case FLASH_IMG_NULL_DATA:
- msg = "error: internal error null data\n";
- break;
- case FLASH_IMG_READY:
- msg = "ready: firmware image ready for flash on reboot\n";
- break;
- default:
- sprintf(buf, "error: unexpected status value %d\n", status);
- return;
- }
-
- strcpy(buf, msg);
-}
-
-/* Reading the proc file will show status (not the firmware contents) */
-static ssize_t rtas_flash_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_update_flash_t *uf;
- char msg[RTAS_MSG_MAXLEN];
- int msglen;
-
- uf = (struct rtas_update_flash_t *) dp->data;
-
- if (!strcmp(dp->name, FIRMWARE_FLASH_NAME)) {
- get_flash_status_msg(uf->status, msg);
- } else { /* FIRMWARE_UPDATE_NAME */
- sprintf(msg, "%d\n", uf->status);
- }
- msglen = strlen(msg);
- if (msglen > count)
- msglen = count;
-
- if (ppos && *ppos != 0)
- return 0; /* be cheap */
-
- if (!access_ok(VERIFY_WRITE, buf, msglen))
- return -EINVAL;
-
- if (copy_to_user(buf, msg, msglen))
- return -EFAULT;
-
- if (ppos)
- *ppos = msglen;
- return msglen;
-}
-
-/* We could be much more efficient here. But to keep this function
- * simple we allocate a page to the block list no matter how small the
- * count is. If the system is low on memory it will be just as well
- * that we fail....
- */
-static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
- size_t count, loff_t *off)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_update_flash_t *uf;
- char *p;
- int next_free;
- struct flash_block_list *fl;
-
- uf = (struct rtas_update_flash_t *) dp->data;
-
- if (uf->status == FLASH_AUTH || count == 0)
- return count; /* discard data */
-
- /* In the case that the image is not ready for flashing, the memory
- * allocated for the block list will be freed upon the release of the
- * proc file
- */
- if (uf->flist == NULL) {
- uf->flist = (struct flash_block_list *) get_zeroed_page(GFP_KERNEL);
- if (!uf->flist)
- return -ENOMEM;
- }
-
- fl = uf->flist;
- while (fl->next)
- fl = fl->next; /* seek to last block_list for append */
- next_free = fl->num_blocks;
- if (next_free == FLASH_BLOCKS_PER_NODE) {
- /* Need to allocate another block_list */
- fl->next = (struct flash_block_list *)get_zeroed_page(GFP_KERNEL);
- if (!fl->next)
- return -ENOMEM;
- fl = fl->next;
- next_free = 0;
- }
-
- if (count > PAGE_SIZE)
- count = PAGE_SIZE;
- p = (char *)get_zeroed_page(GFP_KERNEL);
- if (!p)
- return -ENOMEM;
-
- if(copy_from_user(p, buffer, count)) {
- free_page((unsigned long)p);
- return -EFAULT;
- }
- fl->blocks[next_free].data = p;
- fl->blocks[next_free].length = count;
- fl->num_blocks++;
-
- return count;
-}
-
-static int rtas_excl_open(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(inode);
-
- /* Enforce exclusive open with use count of PDE */
- spin_lock(&flash_file_open_lock);
- if (atomic_read(&dp->count) > 1) {
- spin_unlock(&flash_file_open_lock);
- return -EBUSY;
- }
-
- atomic_inc(&dp->count);
- spin_unlock(&flash_file_open_lock);
-
- return 0;
-}
-
-static int rtas_excl_release(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(inode);
-
- atomic_dec(&dp->count);
-
- return 0;
-}
-
-static void manage_flash(struct rtas_manage_flash_t *args_buf)
-{
- unsigned int wait_time;
- s32 rc;
-
- while (1) {
- rc = rtas_call(rtas_token("ibm,manage-flash-image"), 1,
- 1, NULL, args_buf->op);
- if (rc == RTAS_RC_BUSY)
- udelay(1);
- else if (rtas_is_extended_busy(rc)) {
- wait_time = rtas_extended_busy_delay_time(rc);
- udelay(wait_time * 1000);
- } else
- break;
- }
-
- args_buf->status = rc;
-}
-
-static ssize_t manage_flash_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_manage_flash_t *args_buf;
- char msg[RTAS_MSG_MAXLEN];
- int msglen;
-
- args_buf = (struct rtas_manage_flash_t *) dp->data;
- if (args_buf == NULL)
- return 0;
-
- msglen = sprintf(msg, "%d\n", args_buf->status);
- if (msglen > count)
- msglen = count;
-
- if (ppos && *ppos != 0)
- return 0; /* be cheap */
-
- if (!access_ok(VERIFY_WRITE, buf, msglen))
- return -EINVAL;
-
- if (copy_to_user(buf, msg, msglen))
- return -EFAULT;
-
- if (ppos)
- *ppos = msglen;
- return msglen;
-}
-
-static ssize_t manage_flash_write(struct file *file, const char __user *buf,
- size_t count, loff_t *off)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_manage_flash_t *args_buf;
- const char reject_str[] = "0";
- const char commit_str[] = "1";
- char stkbuf[10];
- int op;
-
- args_buf = (struct rtas_manage_flash_t *) dp->data;
- if ((args_buf->status == MANAGE_AUTH) || (count == 0))
- return count;
-
- op = -1;
- if (buf) {
- if (count > 9) count = 9;
- if (copy_from_user (stkbuf, buf, count)) {
- return -EFAULT;
- }
- if (strncmp(stkbuf, reject_str, strlen(reject_str)) == 0)
- op = RTAS_REJECT_TMP_IMG;
- else if (strncmp(stkbuf, commit_str, strlen(commit_str)) == 0)
- op = RTAS_COMMIT_TMP_IMG;
- }
-
- if (op == -1) /* buf is empty, or contains invalid string */
- return -EINVAL;
-
- args_buf->op = op;
- manage_flash(args_buf);
-
- return count;
-}
-
-static void validate_flash(struct rtas_validate_flash_t *args_buf)
-{
- int token = rtas_token("ibm,validate-flash-image");
- unsigned int wait_time;
- int update_results;
- s32 rc;
-
- rc = 0;
- while(1) {
- spin_lock(&rtas_data_buf_lock);
- memcpy(rtas_data_buf, args_buf->buf, VALIDATE_BUF_SIZE);
- rc = rtas_call(token, 2, 2, &update_results,
- (u32) __pa(rtas_data_buf), args_buf->buf_size);
- memcpy(args_buf->buf, rtas_data_buf, VALIDATE_BUF_SIZE);
- spin_unlock(&rtas_data_buf_lock);
-
- if (rc == RTAS_RC_BUSY)
- udelay(1);
- else if (rtas_is_extended_busy(rc)) {
- wait_time = rtas_extended_busy_delay_time(rc);
- udelay(wait_time * 1000);
- } else
- break;
- }
-
- args_buf->status = rc;
- args_buf->update_results = update_results;
-}
-
-static int get_validate_flash_msg(struct rtas_validate_flash_t *args_buf,
- char *msg)
-{
- int n;
-
- if (args_buf->status >= VALIDATE_TMP_UPDATE) {
- n = sprintf(msg, "%d\n", args_buf->update_results);
- if ((args_buf->update_results >= VALIDATE_CUR_UNKNOWN) ||
- (args_buf->update_results == VALIDATE_TMP_UPDATE))
- n += sprintf(msg + n, "%s\n", args_buf->buf);
- } else {
- n = sprintf(msg, "%d\n", args_buf->status);
- }
- return n;
-}
-
-static ssize_t validate_flash_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_validate_flash_t *args_buf;
- char msg[RTAS_MSG_MAXLEN];
- int msglen;
-
- args_buf = (struct rtas_validate_flash_t *) dp->data;
-
- if (ppos && *ppos != 0)
- return 0; /* be cheap */
-
- msglen = get_validate_flash_msg(args_buf, msg);
- if (msglen > count)
- msglen = count;
-
- if (!access_ok(VERIFY_WRITE, buf, msglen))
- return -EINVAL;
-
- if (copy_to_user(buf, msg, msglen))
- return -EFAULT;
-
- if (ppos)
- *ppos = msglen;
- return msglen;
-}
-
-static ssize_t validate_flash_write(struct file *file, const char __user *buf,
- size_t count, loff_t *off)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_validate_flash_t *args_buf;
- int rc;
-
- args_buf = (struct rtas_validate_flash_t *) dp->data;
-
- if (dp->data == NULL) {
- dp->data = kmalloc(sizeof(struct rtas_validate_flash_t),
- GFP_KERNEL);
- if (dp->data == NULL)
- return -ENOMEM;
- }
-
- /* We are only interested in the first 4K of the
- * candidate image */
- if ((*off >= VALIDATE_BUF_SIZE) ||
- (args_buf->status == VALIDATE_AUTH)) {
- *off += count;
- return count;
- }
-
- if (*off + count >= VALIDATE_BUF_SIZE) {
- count = VALIDATE_BUF_SIZE - *off;
- args_buf->status = VALIDATE_READY;
- } else {
- args_buf->status = VALIDATE_INCOMPLETE;
- }
-
- if (!access_ok(VERIFY_READ, buf, count)) {
- rc = -EFAULT;
- goto done;
- }
- if (copy_from_user(args_buf->buf + *off, buf, count)) {
- rc = -EFAULT;
- goto done;
- }
-
- *off += count;
- rc = count;
-done:
- if (rc < 0) {
- kfree(dp->data);
- dp->data = NULL;
- }
- return rc;
-}
-
-static int validate_flash_release(struct inode *inode, struct file *file)
-{
- struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
- struct rtas_validate_flash_t *args_buf;
-
- args_buf = (struct rtas_validate_flash_t *) dp->data;
-
- if (args_buf->status == VALIDATE_READY) {
- args_buf->buf_size = VALIDATE_BUF_SIZE;
- validate_flash(args_buf);
- }
-
- /* The matching atomic_inc was in rtas_excl_open() */
- atomic_dec(&dp->count);
-
- return 0;
-}
-
-static void remove_flash_pde(struct proc_dir_entry *dp)
-{
- if (dp) {
- if (dp->data != NULL)
- kfree(dp->data);
- dp->owner = NULL;
- remove_proc_entry(dp->name, dp->parent);
- }
-}
-
-static int initialize_flash_pde_data(const char *rtas_call_name,
- size_t buf_size,
- struct proc_dir_entry *dp)
-{
- int *status;
- int token;
-
- dp->data = kmalloc(buf_size, GFP_KERNEL);
- if (dp->data == NULL) {
- remove_flash_pde(dp);
- return -ENOMEM;
- }
-
- memset(dp->data, 0, buf_size);
-
- /*
- * This code assumes that the status int is the first member of the
- * struct
- */
- status = (int *) dp->data;
- token = rtas_token(rtas_call_name);
- if (token == RTAS_UNKNOWN_SERVICE)
- *status = FLASH_AUTH;
- else
- *status = FLASH_NO_OP;
-
- return 0;
-}
-
-static struct proc_dir_entry *create_flash_pde(const char *filename,
- struct file_operations *fops)
-{
- struct proc_dir_entry *ent = NULL;
-
- ent = create_proc_entry(filename, S_IRUSR | S_IWUSR, NULL);
- if (ent != NULL) {
- ent->nlink = 1;
- ent->proc_fops = fops;
- ent->owner = THIS_MODULE;
- }
-
- return ent;
-}
-
-static struct file_operations rtas_flash_operations = {
- .read = rtas_flash_read,
- .write = rtas_flash_write,
- .open = rtas_excl_open,
- .release = rtas_flash_release,
-};
-
-static struct file_operations manage_flash_operations = {
- .read = manage_flash_read,
- .write = manage_flash_write,
- .open = rtas_excl_open,
- .release = rtas_excl_release,
-};
-
-static struct file_operations validate_flash_operations = {
- .read = validate_flash_read,
- .write = validate_flash_write,
- .open = rtas_excl_open,
- .release = validate_flash_release,
-};
-
-int __init rtas_flash_init(void)
-{
- int rc;
-
- if (rtas_token("ibm,update-flash-64-and-reboot") ==
- RTAS_UNKNOWN_SERVICE) {
- printk(KERN_ERR "rtas_flash: no firmware flash support\n");
- return 1;
- }
-
- firmware_flash_pde = create_flash_pde("ppc64/rtas/"
- FIRMWARE_FLASH_NAME,
- &rtas_flash_operations);
- if (firmware_flash_pde == NULL) {
- rc = -ENOMEM;
- goto cleanup;
- }
-
- rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
- sizeof(struct rtas_update_flash_t),
- firmware_flash_pde);
- if (rc != 0)
- goto cleanup;
-
- firmware_update_pde = create_flash_pde("ppc64/rtas/"
- FIRMWARE_UPDATE_NAME,
- &rtas_flash_operations);
- if (firmware_update_pde == NULL) {
- rc = -ENOMEM;
- goto cleanup;
- }
-
- rc = initialize_flash_pde_data("ibm,update-flash-64-and-reboot",
- sizeof(struct rtas_update_flash_t),
- firmware_update_pde);
- if (rc != 0)
- goto cleanup;
-
- validate_pde = create_flash_pde("ppc64/rtas/" VALIDATE_FLASH_NAME,
- &validate_flash_operations);
- if (validate_pde == NULL) {
- rc = -ENOMEM;
- goto cleanup;
- }
-
- rc = initialize_flash_pde_data("ibm,validate-flash-image",
- sizeof(struct rtas_validate_flash_t),
- validate_pde);
- if (rc != 0)
- goto cleanup;
-
- manage_pde = create_flash_pde("ppc64/rtas/" MANAGE_FLASH_NAME,
- &manage_flash_operations);
- if (manage_pde == NULL) {
- rc = -ENOMEM;
- goto cleanup;
- }
-
- rc = initialize_flash_pde_data("ibm,manage-flash-image",
- sizeof(struct rtas_manage_flash_t),
- manage_pde);
- if (rc != 0)
- goto cleanup;
-
- return 0;
-
-cleanup:
- remove_flash_pde(firmware_flash_pde);
- remove_flash_pde(firmware_update_pde);
- remove_flash_pde(validate_pde);
- remove_flash_pde(manage_pde);
-
- return rc;
-}
-
-void __exit rtas_flash_cleanup(void)
-{
- remove_flash_pde(firmware_flash_pde);
- remove_flash_pde(firmware_update_pde);
- remove_flash_pde(validate_pde);
- remove_flash_pde(manage_pde);
-}
-
-module_init(rtas_flash_init);
-module_exit(rtas_flash_cleanup);
-MODULE_LICENSE("GPL");
diff --git a/arch/ppc64/kernel/rtasd.c b/arch/ppc64/kernel/rtasd.c
deleted file mode 100644
index e26b0420b6d..00000000000
--- a/arch/ppc64/kernel/rtasd.c
+++ /dev/null
@@ -1,527 +0,0 @@
-/*
- * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM
- *
- * 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.
- *
- * Communication to userspace based on kernel/printk.c
- */
-
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/poll.h>
-#include <linux/proc_fs.h>
-#include <linux/init.h>
-#include <linux/vmalloc.h>
-#include <linux/spinlock.h>
-#include <linux/cpu.h>
-#include <linux/delay.h>
-
-#include <asm/uaccess.h>
-#include <asm/io.h>
-#include <asm/rtas.h>
-#include <asm/prom.h>
-#include <asm/nvram.h>
-#include <asm/atomic.h>
-#include <asm/systemcfg.h>
-
-#if 0
-#define DEBUG(A...) printk(KERN_ERR A)
-#else
-#define DEBUG(A...)
-#endif
-
-static DEFINE_SPINLOCK(rtasd_log_lock);
-
-DECLARE_WAIT_QUEUE_HEAD(rtas_log_wait);
-
-static char *rtas_log_buf;
-static unsigned long rtas_log_start;
-static unsigned long rtas_log_size;
-
-static int surveillance_timeout = -1;
-static unsigned int rtas_event_scan_rate;
-static unsigned int rtas_error_log_max;
-static unsigned int rtas_error_log_buffer_max;
-
-static int full_rtas_msgs = 0;
-
-extern int no_logging;
-
-volatile int error_log_cnt = 0;
-
-/*
- * Since we use 32 bit RTAS, the physical address of this must be below
- * 4G or else bad things happen. Allocate this in the kernel data and
- * make it big enough.
- */
-static unsigned char logdata[RTAS_ERROR_LOG_MAX];
-
-static int get_eventscan_parms(void);
-
-static char *rtas_type[] = {
- "Unknown", "Retry", "TCE Error", "Internal Device Failure",
- "Timeout", "Data Parity", "Address Parity", "Cache Parity",
- "Address Invalid", "ECC Uncorrected", "ECC Corrupted",
-};
-
-static char *rtas_event_type(int type)
-{
- if ((type > 0) && (type < 11))
- return rtas_type[type];
-
- switch (type) {
- case RTAS_TYPE_EPOW:
- return "EPOW";
- case RTAS_TYPE_PLATFORM:
- return "Platform Error";
- case RTAS_TYPE_IO:
- return "I/O Event";
- case RTAS_TYPE_INFO:
- return "Platform Information Event";
- case RTAS_TYPE_DEALLOC:
- return "Resource Deallocation Event";
- case RTAS_TYPE_DUMP:
- return "Dump Notification Event";
- }
-
- return rtas_type[0];
-}
-
-/* To see this info, grep RTAS /var/log/messages and each entry
- * will be collected together with obvious begin/end.
- * There will be a unique identifier on the begin and end lines.
- * This will persist across reboots.
- *
- * format of error logs returned from RTAS:
- * bytes (size) : contents
- * --------------------------------------------------------
- * 0-7 (8) : rtas_error_log
- * 8-47 (40) : extended info
- * 48-51 (4) : vendor id
- * 52-1023 (vendor specific) : location code and debug data
- */
-static void printk_log_rtas(char *buf, int len)
-{
-
- int i,j,n = 0;
- int perline = 16;
- char buffer[64];
- char * str = "RTAS event";
-
- if (full_rtas_msgs) {
- printk(RTAS_DEBUG "%d -------- %s begin --------\n",
- error_log_cnt, str);
-
- /*
- * Print perline bytes on each line, each line will start
- * with RTAS and a changing number, so syslogd will
- * print lines that are otherwise the same. Separate every
- * 4 bytes with a space.
- */
- for (i = 0; i < len; i++) {
- j = i % perline;
- if (j == 0) {
- memset(buffer, 0, sizeof(buffer));
- n = sprintf(buffer, "RTAS %d:", i/perline);
- }
-
- if ((i % 4) == 0)
- n += sprintf(buffer+n, " ");
-
- n += sprintf(buffer+n, "%02x", (unsigned char)buf[i]);
-
- if (j == (perline-1))
- printk(KERN_DEBUG "%s\n", buffer);
- }
- if ((i % perline) != 0)
- printk(KERN_DEBUG "%s\n", buffer);
-
- printk(RTAS_DEBUG "%d -------- %s end ----------\n",
- error_log_cnt, str);
- } else {
- struct rtas_error_log *errlog = (struct rtas_error_log *)buf;
-
- printk(RTAS_DEBUG "event: %d, Type: %s, Severity: %d\n",
- error_log_cnt, rtas_event_type(errlog->type),
- errlog->severity);
- }
-}
-
-static int log_rtas_len(char * buf)
-{
- int len;
- struct rtas_error_log *err;
-
- /* rtas fixed header */
- len = 8;
- err = (struct rtas_error_log *)buf;
- if (err->extended_log_length) {
-
- /* extended header */
- len += err->extended_log_length;
- }
-
- if (rtas_error_log_max == 0) {
- get_eventscan_parms();
- }
- if (len > rtas_error_log_max)
- len = rtas_error_log_max;
-
- return len;
-}
-
-/*
- * First write to nvram, if fatal error, that is the only
- * place we log the info. The error will be picked up
- * on the next reboot by rtasd. If not fatal, run the
- * method for the type of error. Currently, only RTAS
- * errors have methods implemented, but in the future
- * there might be a need to store data in nvram before a
- * call to panic().
- *
- * XXX We write to nvram periodically, to indicate error has
- * been written and sync'd, but there is a possibility
- * that if we don't shutdown correctly, a duplicate error
- * record will be created on next reboot.
- */
-void pSeries_log_error(char *buf, unsigned int err_type, int fatal)
-{
- unsigned long offset;
- unsigned long s;
- int len = 0;
-
- DEBUG("logging event\n");
- if (buf == NULL)
- return;
-
- spin_lock_irqsave(&rtasd_log_lock, s);
-
- /* get length and increase count */
- switch (err_type & ERR_TYPE_MASK) {
- case ERR_TYPE_RTAS_LOG:
- len = log_rtas_len(buf);
- if (!(err_type & ERR_FLAG_BOOT))
- error_log_cnt++;
- break;
- case ERR_TYPE_KERNEL_PANIC:
- default:
- spin_unlock_irqrestore(&rtasd_log_lock, s);
- return;
- }
-
- /* Write error to NVRAM */
- if (!no_logging && !(err_type & ERR_FLAG_BOOT))
- nvram_write_error_log(buf, len, err_type);
-
- /*
- * rtas errors can occur during boot, and we do want to capture
- * those somewhere, even if nvram isn't ready (why not?), and even
- * if rtasd isn't ready. Put them into the boot log, at least.
- */
- if ((err_type & ERR_TYPE_MASK) == ERR_TYPE_RTAS_LOG)
- printk_log_rtas(buf, len);
-
- /* Check to see if we need to or have stopped logging */
- if (fatal || no_logging) {
- no_logging = 1;
- spin_unlock_irqrestore(&rtasd_log_lock, s);
- return;
- }
-
- /* call type specific method for error */
- switch (err_type & ERR_TYPE_MASK) {
- case ERR_TYPE_RTAS_LOG:
- offset = rtas_error_log_buffer_max *
- ((rtas_log_start+rtas_log_size) & LOG_NUMBER_MASK);
-
- /* First copy over sequence number */
- memcpy(&rtas_log_buf[offset], (void *) &error_log_cnt, sizeof(int));
-
- /* Second copy over error log data */
- offset += sizeof(int);
- memcpy(&rtas_log_buf[offset], buf, len);
-
- if (rtas_log_size < LOG_NUMBER)
- rtas_log_size += 1;
- else
- rtas_log_start += 1;
-
- spin_unlock_irqrestore(&rtasd_log_lock, s);
- wake_up_interruptible(&rtas_log_wait);
- break;
- case ERR_TYPE_KERNEL_PANIC:
- default:
- spin_unlock_irqrestore(&rtasd_log_lock, s);
- return;
- }
-
-}
-
-
-static int rtas_log_open(struct inode * inode, struct file * file)
-{
- return 0;
-}
-
-static int rtas_log_release(struct inode * inode, struct file * file)
-{
- return 0;
-}
-
-/* This will check if all events are logged, if they are then, we
- * know that we can safely clear the events in NVRAM.
- * Next we'll sit and wait for something else to log.
- */
-static ssize_t rtas_log_read(struct file * file, char __user * buf,
- size_t count, loff_t *ppos)
-{
- int error;
- char *tmp;
- unsigned long s;
- unsigned long offset;
-
- if (!buf || count < rtas_error_log_buffer_max)
- return -EINVAL;
-
- count = rtas_error_log_buffer_max;
-
- if (!access_ok(VERIFY_WRITE, buf, count))
- return -EFAULT;
-
- tmp = kmalloc(count, GFP_KERNEL);
- if (!tmp)
- return -ENOMEM;
-
-
- spin_lock_irqsave(&rtasd_log_lock, s);
- /* if it's 0, then we know we got the last one (the one in NVRAM) */
- if (rtas_log_size == 0 && !no_logging)
- nvram_clear_error_log();
- spin_unlock_irqrestore(&rtasd_log_lock, s);
-
-
- error = wait_event_interruptible(rtas_log_wait, rtas_log_size);
- if (error)
- goto out;
-
- spin_lock_irqsave(&rtasd_log_lock, s);
- offset = rtas_error_log_buffer_max * (rtas_log_start & LOG_NUMBER_MASK);
- memcpy(tmp, &rtas_log_buf[offset], count);
-
- rtas_log_start += 1;
- rtas_log_size -= 1;
- spin_unlock_irqrestore(&rtasd_log_lock, s);
-
- error = copy_to_user(buf, tmp, count) ? -EFAULT : count;
-out:
- kfree(tmp);
- return error;
-}
-
-static unsigned int rtas_log_poll(struct file *file, poll_table * wait)
-{
- poll_wait(file, &rtas_log_wait, wait);
- if (rtas_log_size)
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-struct file_operations proc_rtas_log_operations = {
- .read = rtas_log_read,
- .poll = rtas_log_poll,
- .open = rtas_log_open,
- .release = rtas_log_release,
-};
-
-static int enable_surveillance(int timeout)
-{
- int error;
-
- error = rtas_set_indicator(SURVEILLANCE_TOKEN, 0, timeout);
-
- if (error == 0)
- return 0;
-
- if (error == -EINVAL) {
- printk(KERN_INFO "rtasd: surveillance not supported\n");
- return 0;
- }
-
- printk(KERN_ERR "rtasd: could not update surveillance\n");
- return -1;
-}
-
-static int get_eventscan_parms(void)
-{
- struct device_node *node;
- int *ip;
-
- node = of_find_node_by_path("/rtas");
-
- ip = (int *)get_property(node, "rtas-event-scan-rate", NULL);
- if (ip == NULL) {
- printk(KERN_ERR "rtasd: no rtas-event-scan-rate\n");
- of_node_put(node);
- return -1;
- }
- rtas_event_scan_rate = *ip;
- DEBUG("rtas-event-scan-rate %d\n", rtas_event_scan_rate);
-
- /* Make room for the sequence number */
- rtas_error_log_max = rtas_get_error_log_max();
- rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int);
-
- of_node_put(node);
-
- return 0;
-}
-
-static void do_event_scan(int event_scan)
-{
- int error;
- do {
- memset(logdata, 0, rtas_error_log_max);
- error = rtas_call(event_scan, 4, 1, NULL,
- RTAS_EVENT_SCAN_ALL_EVENTS, 0,
- __pa(logdata), rtas_error_log_max);
- if (error == -1) {
- printk(KERN_ERR "event-scan failed\n");
- break;
- }
-
- if (error == 0)
- pSeries_log_error(logdata, ERR_TYPE_RTAS_LOG, 0);
-
- } while(error == 0);
-}
-
-static void do_event_scan_all_cpus(long delay)
-{
- int cpu;
-
- lock_cpu_hotplug();
- cpu = first_cpu(cpu_online_map);
- for (;;) {
- set_cpus_allowed(current, cpumask_of_cpu(cpu));
- do_event_scan(rtas_token("event-scan"));
- set_cpus_allowed(current, CPU_MASK_ALL);
-
- /* Drop hotplug lock, and sleep for the specified delay */
- unlock_cpu_hotplug();
- msleep_interruptible(delay);
- lock_cpu_hotplug();
-
- cpu = next_cpu(cpu, cpu_online_map);
- if (cpu == NR_CPUS)
- break;
- }
- unlock_cpu_hotplug();
-}
-
-static int rtasd(void *unused)
-{
- unsigned int err_type;
- int event_scan = rtas_token("event-scan");
- int rc;
-
- daemonize("rtasd");
-
- if (event_scan == RTAS_UNKNOWN_SERVICE || get_eventscan_parms() == -1)
- goto error;
-
- rtas_log_buf = vmalloc(rtas_error_log_buffer_max*LOG_NUMBER);
- if (!rtas_log_buf) {
- printk(KERN_ERR "rtasd: no memory\n");
- goto error;
- }
-
- printk(KERN_INFO "RTAS daemon started\n");
-
- DEBUG("will sleep for %d milliseconds\n", (30000/rtas_event_scan_rate));
-
- /* See if we have any error stored in NVRAM */
- memset(logdata, 0, rtas_error_log_max);
-
- rc = nvram_read_error_log(logdata, rtas_error_log_max, &err_type);
-
- /* We can use rtas_log_buf now */
- no_logging = 0;
-
- if (!rc) {
- if (err_type != ERR_FLAG_ALREADY_LOGGED) {
- pSeries_log_error(logdata, err_type | ERR_FLAG_BOOT, 0);
- }
- }
-
- /* First pass. */
- do_event_scan_all_cpus(1000);
-
- if (surveillance_timeout != -1) {
- DEBUG("enabling surveillance\n");
- enable_surveillance(surveillance_timeout);
- DEBUG("surveillance enabled\n");
- }
-
- /* Delay should be at least one second since some
- * machines have problems if we call event-scan too
- * quickly. */
- for (;;)
- do_event_scan_all_cpus(30000/rtas_event_scan_rate);
-
-error:
- /* Should delete proc entries */
- return -EINVAL;
-}
-
-static int __init rtas_init(void)
-{
- struct proc_dir_entry *entry;
-
- /* No RTAS, only warn if we are on a pSeries box */
- if (rtas_token("event-scan") == RTAS_UNKNOWN_SERVICE) {
- if (systemcfg->platform & PLATFORM_PSERIES)
- printk(KERN_INFO "rtasd: no event-scan on system\n");
- return 1;
- }
-
- entry = create_proc_entry("ppc64/rtas/error_log", S_IRUSR, NULL);
- if (entry)
- entry->proc_fops = &proc_rtas_log_operations;
- else
- printk(KERN_ERR "Failed to create error_log proc entry\n");
-
- if (kernel_thread(rtasd, NULL, CLONE_FS) < 0)
- printk(KERN_ERR "Failed to start RTAS daemon\n");
-
- return 0;
-}
-
-static int __init surveillance_setup(char *str)
-{
- int i;
-
- if (get_option(&str,&i)) {
- if (i >= 0 && i <= 255)
- surveillance_timeout = i;
- }
-
- return 1;
-}
-
-static int __init rtasmsgs_setup(char *str)
-{
- if (strcmp(str, "on") == 0)
- full_rtas_msgs = 1;
- else if (strcmp(str, "off") == 0)
- full_rtas_msgs = 0;
-
- return 1;
-}
-__initcall(rtas_init);
-__setup("surveillance=", surveillance_setup);
-__setup("rtasmsgs=", rtasmsgs_setup);