diff options
Diffstat (limited to 'hw/ipmi/ipmi-rtc.c')
| -rw-r--r-- | hw/ipmi/ipmi-rtc.c | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/hw/ipmi/ipmi-rtc.c b/hw/ipmi/ipmi-rtc.c index 5ddfced..7ac33ff 100644 --- a/hw/ipmi/ipmi-rtc.c +++ b/hw/ipmi/ipmi-rtc.c @@ -24,15 +24,17 @@ /* Sane default (2014/01/01) */ static time_t time = 1388494800; +static enum {idle, waiting, updated} time_status; + static void get_sel_time_complete(struct ipmi_msg *msg) { uint32_t result; memcpy(&result, msg->data, 4); time = le32_to_cpu(result); + time_status = updated; } - static int64_t ipmi_get_sel_time(void) { struct ipmi_msg *msg; @@ -42,7 +44,7 @@ static int64_t ipmi_get_sel_time(void) if (!msg) return OPAL_HARDWARE; - return ipmi_sync_queue_msg(msg); + return ipmi_queue_msg(msg); } static int64_t ipmi_set_sel_time(uint32_t tv) @@ -54,20 +56,37 @@ static int64_t ipmi_set_sel_time(uint32_t tv) if (!msg) return OPAL_HARDWARE; - return ipmi_sync_queue_msg(msg); + return ipmi_queue_msg(msg); } +void bt_poll(void *data __unused); static int64_t ipmi_opal_rtc_read(uint32_t *y_m_d, uint64_t *h_m_s_m) { struct tm tm; - - if (ipmi_get_sel_time() < 0) - return OPAL_HARDWARE; - - gmtime_r(&time, &tm); - tm_to_datetime(&tm, y_m_d, h_m_s_m); - return OPAL_SUCCESS; + int ret = 0; + + switch(time_status) { + case idle: + if (ipmi_get_sel_time() < 0) + return OPAL_HARDWARE; + time_status = waiting; + ret = OPAL_BUSY_EVENT; + break; + + case waiting: + ret = OPAL_BUSY_EVENT; + break; + + case updated: + gmtime_r(&time, &tm); + tm_to_datetime(&tm, y_m_d, h_m_s_m); + time_status = idle; + ret = OPAL_SUCCESS; + break; + } + + return ret; } static int64_t ipmi_opal_rtc_write(uint32_t year_month_day, |