diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ipmi/ipmi-sensor.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/hw/ipmi/ipmi-sensor.c b/hw/ipmi/ipmi-sensor.c index 9b08d30..cdaf5fb 100644 --- a/hw/ipmi/ipmi-sensor.c +++ b/hw/ipmi/ipmi-sensor.c @@ -20,11 +20,12 @@ #include <skiboot.h> #include <string.h> -/* This field controls whether the sensor reading byte is written or left - * unchanged according to the sensor */ -#define IPMI_WRITE_SENSOR 0x01 +#define IPMI_WRITE_SENSOR (1 << 1) +#define IPMI_SET_ASSERTION (1 << 5) +#define IPMI_ASSERTION_STATE(state) (1 << state) -#define FW_PROGRESS_SENSOR 0x0F +#define FW_PROGRESS_SENSOR 0x0F +#define BOOT_COUNT_SENSOR 0xAA /* Ghetto. TODO: Do something smarter */ int16_t sensors[255]; @@ -35,6 +36,27 @@ struct set_sensor_req { u8 reading[8]; }; +int ipmi_set_boot_count(void) +{ + struct set_sensor_req req; + struct ipmi_msg *msg; + + memset(&req, 0, sizeof(req)); + + req.sensor = BOOT_COUNT_SENSOR; + /* Set assertion bit */ + req.operation = IPMI_SET_ASSERTION; + /* Set state 2 */ + req.reading[1] = IPMI_ASSERTION_STATE(2); + + /* We just need the first 4 bytes */ + msg = ipmi_mkmsg_simple(IPMI_SET_SENSOR_READING, &req, 4); + if (!msg) + return OPAL_HARDWARE; + + return ipmi_queue_msg(msg); +} + int ipmi_set_fw_progress_sensor(uint8_t state) { int fw_sensor_id = sensors[FW_PROGRESS_SENSOR]; |