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Diffstat (limited to 'usr/src/uts/sun4u/io/todsg.c')
-rw-r--r--usr/src/uts/sun4u/io/todsg.c117
1 files changed, 59 insertions, 58 deletions
diff --git a/usr/src/uts/sun4u/io/todsg.c b/usr/src/uts/sun4u/io/todsg.c
index 905715a221..344905a133 100644
--- a/usr/src/uts/sun4u/io/todsg.c
+++ b/usr/src/uts/sun4u/io/todsg.c
@@ -19,7 +19,7 @@
* CDDL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -99,27 +99,26 @@ _init(void)
* Set the string to pass to OBP
*/
(void) sprintf(obp_string,
- "h# %p \" unix-get-tod\" $find if execute else "
- "3drop then",
- (void *)&ssc_time);
+ "h# %p \" unix-get-tod\" $find if execute else 3drop then",
+ (void *)&ssc_time);
prom_interpret(obp_string, 0, 0, 0, 0, 0);
if (ssc_time == (time_t)0) {
cmn_err(CE_WARN, "Initial date is invalid. "
- "This can be caused by older firmware.");
+ "This can be caused by older firmware.");
cmn_err(CE_CONT, "Please flashupdate the System "
- "Controller firmware to the latest version.\n");
+ "Controller firmware to the latest version.\n");
cmn_err(CE_CONT, "Attempting to set the date and time "
- "based on the last shutdown.\n");
+ "based on the last shutdown.\n");
cmn_err(CE_CONT, "Please inspect the date and time and "
- "correct if necessary.\n");
+ "correct if necessary.\n");
}
hrestime.tv_sec = ssc_time;
DCMNERR(CE_NOTE, "todsg: _init(): time from OBP 0x%lX",
- ssc_time);
+ ssc_time);
/*
* Verify whether the received date/clock has overflowed
* an integer(32bit), so that we capture any corrupted
@@ -128,9 +127,9 @@ _init(void)
if (TIMESPEC_OVERFLOW(&hrestime)) {
cmn_err(CE_WARN, "Date overflow detected.");
cmn_err(CE_CONT, "Attempting to set the date and time "
- "based on the last shutdown.\n");
+ "based on the last shutdown.\n");
cmn_err(CE_CONT, "Please inspect the date and time and "
- "correct if necessary.\n");
+ "correct if necessary.\n");
/*
* By setting hrestime.tv_sec to zero
@@ -187,7 +186,7 @@ update_heartbeat(void)
else
i_am_alive++;
if (iosram_write(SBBC_TOD_KEY, OFFSET(tod_buf, tod_i_am_alive),
- (char *)&i_am_alive, sizeof (uint32_t))) {
+ (char *)&i_am_alive, sizeof (uint32_t))) {
complained++;
cmn_err(CE_WARN, "update_heartbeat(): write heartbeat failed");
}
@@ -208,16 +207,16 @@ verify_sc_tod_version(void)
*/
if (!sc_tod_version || is_sc_down >= SC_DOWN_COUNT_THRESHOLD) {
if (iosram_read(SBBC_TOD_KEY, OFFSET(tod_buf, tod_magic),
- (char *)&magic, sizeof (uint32_t)) ||
- magic != TODSG_MAGIC) {
+ (char *)&magic, sizeof (uint32_t)) ||
+ magic != TODSG_MAGIC) {
cmn_err(CE_WARN, "get_sc_tod_version(): "
- "TOD SRAM magic error");
+ "TOD SRAM magic error");
return (FALSE);
}
if (iosram_read(SBBC_TOD_KEY, OFFSET(tod_buf, tod_version),
- (char *)&sc_tod_version, sizeof (uint32_t))) {
+ (char *)&sc_tod_version, sizeof (uint32_t))) {
cmn_err(CE_WARN, "get_sc_tod_version(): "
- "read tod version failed");
+ "read tod version failed");
sc_tod_version = 0;
return (FALSE);
}
@@ -226,10 +225,9 @@ verify_sc_tod_version(void)
return (TRUE);
} else {
todsg_use_sc = 0;
- cmn_err(CE_WARN,
- "todsg_get(): incorrect firmware version, "
- "(%d): expected version >= %d.",
- sc_tod_version, SC_TOD_MIN_REV);
+ cmn_err(CE_WARN, "todsg_get(): incorrect firmware version, "
+ "(%d): expected version >= %d.", sc_tod_version,
+ SC_TOD_MIN_REV);
}
return (FALSE);
}
@@ -244,27 +242,26 @@ update_tod_skew(time_t skew)
DCMNERR(CE_NOTE, "update_tod_skew(): skew 0x%lX", skew);
if (iosram_read(SBBC_TOD_KEY, OFFSET(tod_buf, tod_domain_skew),
- (char *)&domain_skew, sizeof (time_t))) {
+ (char *)&domain_skew, sizeof (time_t))) {
complained++;
- cmn_err(CE_WARN, "update_tod_skew(): "
- "read tod domain skew failed");
+ cmn_err(CE_WARN,
+ "update_tod_skew(): read tod domain skew failed");
}
domain_skew += skew;
/* we shall update the skew_adjust too now */
domain_skew += skew_adjust;
if (!complained && iosram_write(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_domain_skew),
- (char *)&domain_skew, sizeof (time_t))) {
+ OFFSET(tod_buf, tod_domain_skew), (char *)&domain_skew,
+ sizeof (time_t))) {
complained++;
- cmn_err(CE_WARN, "update_tod_skew(): "
- "write domain skew failed");
+ cmn_err(CE_WARN,
+ "update_tod_skew(): write domain skew failed");
}
if (!complained)
skew_adjust = 0;
return (complained);
}
-
/*
* Return time value read from IOSRAM.
* Must be called with tod_lock held.
@@ -287,8 +284,8 @@ todsg_get(void)
if (watchdog_activated != 0 || watchdog_enable != 0)
complained = update_heartbeat();
if (!complained && (iosram_read(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_get_value),
- (char *)&seconds, sizeof (time_t)))) {
+ OFFSET(tod_buf, tod_get_value), (char *)&seconds,
+ sizeof (time_t)))) {
complained++;
cmn_err(CE_WARN, "todsg_get(): read 64-bit tod value failed");
}
@@ -300,8 +297,8 @@ todsg_get(void)
complained = update_tod_skew(0);
}
if (!complained && iosram_read(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_domain_skew),
- (char *)&domain_skew, sizeof (time_t))) {
+ OFFSET(tod_buf, tod_domain_skew), (char *)&domain_skew,
+ sizeof (time_t))) {
complained++;
cmn_err(CE_WARN, "todsg_get(): read tod domain skew failed");
}
@@ -326,11 +323,11 @@ todsg_get(void)
skew_adjust = hrestime.tv_sec - (seconds + domain_skew);
complained = update_tod_skew(0);
if (!complained && (iosram_read(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_domain_skew),
- (char *)&domain_skew, sizeof (time_t)))) {
+ OFFSET(tod_buf, tod_domain_skew),
+ (char *)&domain_skew, sizeof (time_t)))) {
complained++;
cmn_err(CE_WARN, "todsg_get(): "
- "read tod domain skew failed");
+ "read tod domain skew failed");
}
}
is_sc_down = 0;
@@ -341,6 +338,11 @@ todsg_get(void)
* Hand back hrestime instead.
*/
if (!complained) {
+ /*
+ * The read was successful so ensure the failure
+ * flag is clear.
+ */
+ tod_status_clear(TOD_GET_FAILED);
timestruc_t ts = {0, 0};
ts.tv_sec = seconds + domain_skew;
return (ts);
@@ -357,11 +359,11 @@ todsg_get(void)
return_hrestime:
/*
- * We need to inform the tod_validate code to stop checking till
- * SC come back up again. Note that we will return hrestime below
- * which can be different that the previous TOD value we returned
+ * We need to inform the tod_validate() code to stop checking until
+ * the SC comes back up again. Note we will return hrestime below
+ * which may be different to the previous TOD value we returned.
*/
- tod_fault_reset();
+ tod_status_set(TOD_GET_FAILED);
return (hrestime);
}
@@ -404,15 +406,15 @@ todsg_set(timestruc_t ts)
* to update the skew.
*/
if (!complained && (iosram_read(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_get_value),
- (char *)&seconds, sizeof (time_t)))) {
+ OFFSET(tod_buf, tod_get_value), (char *)&seconds,
+ sizeof (time_t)))) {
complained++;
cmn_err(CE_WARN, "todsg_set(): read 64-bit tod value failed");
}
if (!complained && iosram_read(SBBC_TOD_KEY,
- OFFSET(tod_buf, tod_domain_skew),
- (char *)&domain_skew, sizeof (time_t))) {
+ OFFSET(tod_buf, tod_domain_skew), (char *)&domain_skew,
+ sizeof (time_t))) {
complained++;
cmn_err(CE_WARN, "todsg_set(): read tod domain skew failed");
}
@@ -426,8 +428,7 @@ todsg_set(timestruc_t ts)
complained = update_tod_skew(ts.tv_sec - hwtod);
DCMNERR(CE_NOTE, "todsg_set(): set time %lX (%lX)%s",
- ts.tv_sec, hwtod, complained ? " failed" : "");
-
+ ts.tv_sec, hwtod, complained ? " failed" : "");
}
if (complained) {
@@ -445,16 +446,16 @@ todsg_set_watchdog_timer(uint32_t timeoutval)
if (!verify_sc_tod_version()) {
DCMNERR(CE_NOTE, "todsg_set_watchdog_timer(): "
- "verify_sc_tod_version failed");
+ "verify_sc_tod_version failed");
return (0);
}
DCMNERR(CE_NOTE, "todsg_set_watchdog_timer(): "
- "set watchdog timer value = %d", timeoutval);
+ "set watchdog timer value = %d", timeoutval);
if (iosram_write(SBBC_TOD_KEY, OFFSET(tod_buf, tod_timeout_period),
- (char *)&timeoutval, sizeof (uint32_t))) {
+ (char *)&timeoutval, sizeof (uint32_t))) {
DCMNERR(CE_NOTE, "todsg_set_watchdog_timer(): "
- "write new timeout value failed");
+ "write new timeout value failed");
return (0);
}
watchdog_activated = 1;
@@ -472,23 +473,23 @@ todsg_clear_watchdog_timer(void)
if ((watchdog_activated == 0) || !verify_sc_tod_version()) {
DCMNERR(CE_NOTE, "todsg_set_watchdog_timer(): "
- "either watchdog not activated or "
- "verify_sc_tod_version failed");
+ "either watchdog not activated or "
+ "verify_sc_tod_version failed");
return (0);
}
if (iosram_read(SBBC_TOD_KEY, OFFSET(tod_buf, tod_timeout_period),
- (char *)&r_timeout_period, sizeof (uint32_t))) {
+ (char *)&r_timeout_period, sizeof (uint32_t))) {
DCMNERR(CE_NOTE, "todsg_clear_watchdog_timer(): "
- "read timeout value failed");
+ "read timeout value failed");
return (0);
}
DCMNERR(CE_NOTE, "todsg_clear_watchdog_timer(): "
- "clear watchdog timer (old value=%d)", r_timeout_period);
+ "clear watchdog timer (old value=%d)", r_timeout_period);
w_timeout_period = 0;
if (iosram_write(SBBC_TOD_KEY, OFFSET(tod_buf, tod_timeout_period),
- (char *)&w_timeout_period, sizeof (uint32_t))) {
+ (char *)&w_timeout_period, sizeof (uint32_t))) {
DCMNERR(CE_NOTE, "todsg_clear_watchdog_timer(): "
- "write zero timeout value failed");
+ "write zero timeout value failed");
return (0);
}
watchdog_activated = 0;
@@ -522,7 +523,7 @@ todsg_get_cpufrequency(void)
{
DCMNERR(CE_NOTE, "todsg_get_cpufrequency(): frequency=%ldMHz",
- cpunodes[CPU->cpu_id].clock_freq/1000000);
+ cpunodes[CPU->cpu_id].clock_freq/1000000);
return (cpunodes[CPU->cpu_id].clock_freq);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-23 06:47:09 +0000