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Diffstat (limited to 'roms/skiboot/include/spcn.h')
| -rw-r--r-- | roms/skiboot/include/spcn.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/roms/skiboot/include/spcn.h b/roms/skiboot/include/spcn.h new file mode 100644 index 000000000..d0ee2d5ac --- /dev/null +++ b/roms/skiboot/include/spcn.h @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +/* Copyright 2013-2016 IBM Corp. */ + +#ifndef __SPCN_H +#define __SPCN_H + + +/* SPCN commands */ +#define SPCN_CMD_PRS 0x42 /* Power Resource Status */ +#define SPCN_CMD_SET 0x66 /* Set Environmental Thresholds */ + +/* SPCN command address modes */ +#define SPCN_ADDR_MODE_CEC_NODE 0x0000d000 /* CEC node single destination */ +#define SPCN_ADDR_MODE_ALL_SLAVES 0x0000f000 /* Address all slaves in all racks */ +#define SPCN_ADDR_MODE_RACK_NODES 0x00000000 /* Address rack node in all racks */ + +/* SPCN PRS command modifiers */ +#define SPCN_MOD_PRS_STATUS_FIRST 0x01 /* Power Resource Status (First 1KB) */ +#define SPCN_MOD_PRS_STATUS_SUBS 0x02 /* Subsequent set of 1KB PRS entries */ +#define SPCN_MOD_PRS_LED_DATA_FIRST 0x51 /* LED data entry (First 1KB) */ +#define SPCN_MOD_PRS_LED_DATA_SUB 0x52 /* Subsequent LED data entries */ + +/* SPCN SET command modifiers */ +#define SPCN_MOD_SET_LED_CTL_LOC_CODE 0x07 /* Control LED with location code */ +#define SPCN_MOD_SET_IDENTIFY_OFF_ENC 0x08 /* Turn off identify LEDs in CEC */ +#define SPCN_MOD_SET_IDENTIFY_OFF_NODE 0x0B /* Turn off identify LEDs in Node */ + +/* SPCN SENSOR command modifiers */ +#define SPCN_MOD_SENSOR_PARAM_FIRST 0x10 /* First 1K sensor parameters */ +#define SPCN_MOD_SENSOR_PARAM_SUBS 0x11 /* Subsequent sensor parameters */ +#define SPCN_MOD_SENSOR_DATA_FIRST 0x12 /* First 1K sensor data */ +#define SPCN_MOD_SENSOR_DATA_SUBS 0x13 /* Subsequent sensor data blocks */ +#define SPCN_MOD_PROC_JUNC_TEMP 0x14 /* Process junction temperatures */ +#define SPCN_MOD_SENSOR_POWER 0x1c /* System power consumption */ +#define SPCN_MOD_LAST 0xff + +/* + * Modifiers 0x53 and 0x54 are used by LEDS at standby. So HV does not come into + * the picture here. Do we need those? + */ + +/* Supported SPCN response codes */ +#define LOGICAL_IND_STATE_MASK 0x10 /* If set, control fault state */ +#define ACTIVE_LED_STATE_MASK 0x01 /* If set, switch on the LED */ +#define SPCN_LED_IDENTIFY_MASK 0x80 /* Set identify indicator */ +#define SPCN_LED_FAULT_MASK 0x40 /* Set fault indicator */ +#define SPCN_LED_TRANS_MASK 0x20 /* LED is in transition */ +#define SPCN_CLR_LED_STATE 0x00 /* Reset identify indicator */ + +/* SPCN command response status codes */ +enum spcn_rsp_status { + SPCN_RSP_STATUS_SUCCESS = 0x01, /* Command successful */ + SPCN_RSP_STATUS_COND_SUCCESS = 0x02, /* Command successful, but additional entries exist */ + SPCN_RSP_STATUS_INVALID_RACK = 0x15, /* Invalid rack command */ + SPCN_RSP_STATUS_INVALID_SLAVE = 0x16, /* Invalid slave command */ + SPCN_RSP_STATUS_INVALID_MOD = 0x18, /* Invalid modifier */ + SPCN_RSP_STATUS_STATE_PROHIBIT = 0x21, /* Present state prohibits */ + SPCN_RSP_STATUS_UNKNOWN = 0xff, /* Default state */ +}; + +/* Sensor FRCs (Frame resource class) */ +enum { + SENSOR_FRC_POWER_CTRL = 0x02, + SENSOR_FRC_POWER_SUPPLY, + SENSOR_FRC_REGULATOR, + SENSOR_FRC_COOLING_FAN, + SENSOR_FRC_COOLING_CTRL, + SENSOR_FRC_BATTERY_CHRG, + SENSOR_FRC_BATTERY_PACK, + SENSOR_FRC_AMB_TEMP, + SENSOR_FRC_TEMP, + SENSOR_FRC_VRM, + SENSOR_FRC_RISER_CARD, + SENSOR_FRC_IO_BP, +}; + +/* + * Common to all PRS modifiers (subcommands) + */ +struct sensor_header { + __be16 frc; /* Frame resource class */ + __be16 rid; /* Resource ID */ +} __packed; + +/* + * Data layout for PRS modifier PRS_STATUS 0x01, 0x02 + */ +struct sensor_prs { + struct sensor_header header; + __be16 src; /* unused */ + __be16 status; +} __packed; + +#define PRS_STATUS_ON_SUPPORTED 0x0010 +#define PRS_STATUS_ON 0x0008 +#define PRS_STATUS_AC_FAULTED 0x0004 +#define PRS_STATUS_FAULTED 0x0002 +#define PRS_STATUS_PRESENT 0x0001 + +/* + * Data layout for PRS modifier SENSOR_PARAM 0x10, 0x11 + */ +struct sensor_param { + struct sensor_header header; + char location[4]; + char __reserved[4]; + __be16 threshold; + __be16 status; +} __packed; + +/* + * Data layout for PRS modifier SENSOR_DATA 0x12, 0x13 + */ +struct sensor_data { + struct sensor_header header; + __be16 data; + __be16 status; +} __packed; + +#define SENSOR_STATUS_EM_ALERT 0x0004 +#define SENSOR_STATUS_FAULTED 0x0002 +#define SENSOR_STATUS_PRESENT 0x0001 + +/* Power sensor is retrieved through a new PRS modifier 0x1C, data + * response is as follows: + * + * Byte 0: + * + * Bit 7: Data valid + * Bit 4-6: reserved + * Bit 0-3: Number of power supply or data records + * + * Each data record is 5 Bytes following above byte 0: + * + * Data Record: Byte 0: Power supply ID {00, 01, 02, 03, ...} + * Byte 1-4: Power sensor value in milli-watts + * + * Example Power Sensor data: (Tuleta) + * 84 00 00 00 00 00 + * 01 00 00 00 00 + * 02 00 02 5d 78 + * 03 00 02 0f 58 + * 00 00 00 00 00 + * + * 0x84: Bit 7 is valid bit and there are 4 power supplies + * 0x00 00 00 00 00 + * | ^^^^^^^^^^^ Power in milli-watts + * \-- Power supply ID + * + * Ox03 00 02 0f 58 + * | ^^^^^^^^^^^ Power in milli-watts (135000 mW) + * \-- Power supply ID + */ + +#define POWER_SUPPLY_MAX 8 + +struct sensor_power_supply { + uint8_t rid; /* Power supply ID */ + __be32 milliwatts; +} __packed; + +struct sensor_power { + uint8_t status; + struct sensor_power_supply supplies[POWER_SUPPLY_MAX]; +} __packed; + +#define sensor_power_is_valid(s) ((s)->status & 0x80) +#define sensor_power_count(s) ((s)->status & 0x0f) + + +#endif /* __SPCN_H */ |