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Diffstat (limited to 'arch/powerpc/platforms/iseries/mf.c')
-rw-r--r--arch/powerpc/platforms/iseries/mf.c112
1 files changed, 63 insertions, 49 deletions
diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index a41d8b78c0cd..d771b8ee857d 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -46,6 +46,7 @@
#include "setup.h"
extern int piranha_simulator;
+static int mf_initialized;
/*
* This is the structure layout for the Machine Facilites LPAR event
@@ -143,7 +144,8 @@ static spinlock_t pending_event_spinlock;
static struct pending_event *pending_event_head;
static struct pending_event *pending_event_tail;
static struct pending_event *pending_event_avail;
-static struct pending_event pending_event_prealloc[16];
+#define PENDING_EVENT_PREALLOC_LEN 16
+static struct pending_event pending_event_prealloc[PENDING_EVENT_PREALLOC_LEN];
/*
* Put a pending event onto the available queue, so it can get reused.
@@ -597,7 +599,7 @@ void mf_power_off(void)
* Global kernel interface to tell the VSP object in the primary
* partition to reboot this partition.
*/
-void mf_reboot(void)
+void mf_reboot(char *cmd)
{
printk(KERN_INFO "mf.c: Preparing to bounce...\n");
signal_ce_msg_simple(0x4e, NULL);
@@ -625,7 +627,7 @@ void mf_display_src(u32 word)
/*
* Display a single word SRC of the form "PROGXXXX" on the VSP control panel.
*/
-void mf_display_progress(u16 value)
+static __init void mf_display_progress_src(u16 value)
{
u8 ce[12];
u8 src[72];
@@ -649,30 +651,42 @@ void mf_display_progress(u16 value)
* Clear the VSP control panel. Used to "erase" an SRC that was
* previously displayed.
*/
-void mf_clear_src(void)
+static void mf_clear_src(void)
{
signal_ce_msg_simple(0x4b, NULL);
}
+void __init mf_display_progress(u16 value)
+{
+ if (piranha_simulator || !mf_initialized)
+ return;
+
+ if (0xFFFF == value)
+ mf_clear_src();
+ else
+ mf_display_progress_src(value);
+}
+
/*
* Initialization code here.
*/
-void mf_init(void)
+void __init mf_init(void)
{
int i;
- /* initialize */
spin_lock_init(&pending_event_spinlock);
- for (i = 0;
- i < sizeof(pending_event_prealloc) / sizeof(*pending_event_prealloc);
- ++i)
+
+ for (i = 0; i < PENDING_EVENT_PREALLOC_LEN; i++)
free_pending_event(&pending_event_prealloc[i]);
+
HvLpEvent_registerHandler(HvLpEvent_Type_MachineFac, &hv_handler);
/* virtual continue ack */
signal_ce_msg_simple(0x57, NULL);
- /* initialization complete */
+ mf_initialized = 1;
+ mb();
+
printk(KERN_NOTICE "mf.c: iSeries Linux LPAR Machine Facilities "
"initialized\n");
}
@@ -692,6 +706,43 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
complete(&rtc->com);
}
+static int mf_set_rtc(struct rtc_time *tm)
+{
+ char ce_time[12];
+ u8 day, mon, hour, min, sec, y1, y2;
+ unsigned year;
+
+ year = 1900 + tm->tm_year;
+ y1 = year / 100;
+ y2 = year % 100;
+
+ sec = tm->tm_sec;
+ min = tm->tm_min;
+ hour = tm->tm_hour;
+ day = tm->tm_mday;
+ mon = tm->tm_mon + 1;
+
+ BIN_TO_BCD(sec);
+ BIN_TO_BCD(min);
+ BIN_TO_BCD(hour);
+ BIN_TO_BCD(mon);
+ BIN_TO_BCD(day);
+ BIN_TO_BCD(y1);
+ BIN_TO_BCD(y2);
+
+ memset(ce_time, 0, sizeof(ce_time));
+ ce_time[3] = 0x41;
+ ce_time[4] = y1;
+ ce_time[5] = y2;
+ ce_time[6] = sec;
+ ce_time[7] = min;
+ ce_time[8] = hour;
+ ce_time[10] = day;
+ ce_time[11] = mon;
+
+ return signal_ce_msg(ce_time, NULL);
+}
+
static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
{
tm->tm_wday = 0;
@@ -747,7 +798,7 @@ static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
return 0;
}
-int mf_get_rtc(struct rtc_time *tm)
+static int mf_get_rtc(struct rtc_time *tm)
{
struct ce_msg_comp_data ce_complete;
struct rtc_time_data rtc_data;
@@ -780,7 +831,7 @@ static void get_boot_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
rtc->busy = 0;
}
-int mf_get_boot_rtc(struct rtc_time *tm)
+static int mf_get_boot_rtc(struct rtc_time *tm)
{
struct ce_msg_comp_data ce_complete;
struct boot_rtc_time_data rtc_data;
@@ -802,43 +853,6 @@ int mf_get_boot_rtc(struct rtc_time *tm)
return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
}
-int mf_set_rtc(struct rtc_time *tm)
-{
- char ce_time[12];
- u8 day, mon, hour, min, sec, y1, y2;
- unsigned year;
-
- year = 1900 + tm->tm_year;
- y1 = year / 100;
- y2 = year % 100;
-
- sec = tm->tm_sec;
- min = tm->tm_min;
- hour = tm->tm_hour;
- day = tm->tm_mday;
- mon = tm->tm_mon + 1;
-
- BIN_TO_BCD(sec);
- BIN_TO_BCD(min);
- BIN_TO_BCD(hour);
- BIN_TO_BCD(mon);
- BIN_TO_BCD(day);
- BIN_TO_BCD(y1);
- BIN_TO_BCD(y2);
-
- memset(ce_time, 0, sizeof(ce_time));
- ce_time[3] = 0x41;
- ce_time[4] = y1;
- ce_time[5] = y2;
- ce_time[6] = sec;
- ce_time[7] = min;
- ce_time[8] = hour;
- ce_time[10] = day;
- ce_time[11] = mon;
-
- return signal_ce_msg(ce_time, NULL);
-}
-
#ifdef CONFIG_PROC_FS
static int proc_mf_dump_cmdline(char *page, char **start, off_t off,