diff options
Diffstat (limited to 'roms/skiboot/include/fsp-leds.h')
| -rw-r--r-- | roms/skiboot/include/fsp-leds.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/roms/skiboot/include/fsp-leds.h b/roms/skiboot/include/fsp-leds.h new file mode 100644 index 000000000..499e477d6 --- /dev/null +++ b/roms/skiboot/include/fsp-leds.h @@ -0,0 +1,158 @@ +// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later +/* + * SPCN based LED location code and other information + * + * Copyright 2013-2016 IBM Corp. + */ + +#ifndef __FSP_LEDS_H +#define __FSP_LEDS_H + +/* Supported FSP response codes */ +#define FSP_IND_NOT_IMPLMNTD 0x00 /* Indicator not implemented */ +#define FSP_IND_IMPLMNTD 0x04 /* Indicator implemented */ +#define FSP_IND_IMPL_UNKNOWN 0x08 /* Implementation unknown */ +#define FSP_IND_INACTIVE 0x00 /* Indicator not active */ +#define FSP_IND_IDENTIFY_ACTV 0x01 /* Identify state active */ +#define FSP_IND_FAULT_ACTV 0x02 /* Fault state active */ +#define FSP_IND_STATE_UNKNOWN 0xff /* Indicator state unknown */ +#define FSP_RSRC_NOT_PRESENT 0x00 /* Resource not present */ +#define FSP_RSRC_PRESENT 0x40 /* Resource present */ +#define FSP_RSRC_PRSNC_UNKNOWN 0x80 /* Resource presence unknown */ + +/* LED exclusive bits */ +#define FSP_LED_EXCL_FAULT (1UL << 0) +#define FSP_LED_EXCL_IDENTIFY (1UL << 1) + +/* LED update message source */ +enum spcn_cmd_src { + SPCN_SRC_FSP = 0, + SPCN_SRC_OPAL = 1, + SPCN_SRC_MAX = 2 +}; + +/* SPCN set LED */ +struct spcn_led_data { + u8 lc_len; + __be16 state; + char lc_code[LOC_CODE_SIZE]; +} __packed; + +/* LED data */ +struct fsp_led_data { + u16 rid; /* Resource ID */ + u8 lc_len; /* Location code len */ + char loc_code[LOC_CODE_SIZE]; + u16 parms; /* Parameters */ + u16 status; /* Status */ + u16 excl_bit; /* Exclusive LED bit */ + struct list_node link; +}; + +/* FSP location code request */ +struct fsp_loc_code_req { + __be16 len; + __be16 req_type; + u8 raw_len; + u8 lc_sz; + char loc_code[LOC_CODE_SIZE]; +} __packed; + +/* FSP location code data */ +struct fsp_loc_code_data { + __be16 size; + __be32 ccin; + u8 status; + u8 ind_state; + u8 raw_len; + u8 fld_sz; + + /* The size below must include the padding to + * make the whole structure aligned to a + * multiple of 4 bytes + */ + char loc_code[LOC_CODE_SIZE + 2]; /* 82 */ + + /* We need to pack the structure otherwise the + * compiler adds additional alignment to make + * it 8 bytes aligned + */ +} __packed; + +/* Get indicator state request */ +struct fsp_get_ind_state_req { + __be16 size; + u8 lc_len; + u8 fld_sz; + char loc_code[LOC_CODE_SIZE]; +} __packed; + +/* Set indicator state request */ +struct fsp_set_ind_state_req { + __be16 size; + __be16 req_type; + u8 reserved[3]; + u8 ind_state; + u8 lc_len; + u8 fld_sz; + char loc_code[LOC_CODE_SIZE]; +} __packed; + +/* LED set SPCN command */ +struct led_set_cmd { + char loc_code[LOC_CODE_SIZE]; + u8 command; + u8 state; + u16 ckpt_status; /* Checkpointed status */ + u16 ckpt_excl_bit; /* Checkpointed exclusive status */ + u64 async_token; /* OPAL async token */ + enum spcn_cmd_src cmd_src; /* OPAL or FSP based */ + struct list_node link; +}; + +/* System Attention Indicator */ +struct sai_data { + uint8_t state; + char loc_code[LOC_CODE_SIZE]; +}; + +/* LED commands and state */ +#define LED_COMMAND_FAULT 1 +#define LED_COMMAND_IDENTIFY 0 +#define LED_STATE_ON 1 +#define LED_STATE_OFF 0 + +/* FSP get loc-code list command request type */ +#define GET_LC_CMPLT_SYS 0x8000 +#define GET_LC_ENCLOSURES 0x4000 +#define GET_LC_ENCL_DESCENDANTS 0x2000 +#define GET_LC_SINGLE_LOC_CODE 0x0100 + +/* FSP set indicator command request type */ +#define SET_IND_ENCLOSURE 0x4000 +#define SET_IND_SINGLE_LOC_CODE 0x0001 + +/* Response buffer */ +#define OUTBUF_HEADER_SIZE 8 + +/* LED miscellaneous */ +#define LOC_CODE_LEN 1 +#define LED_CONTROL_LEN 2 +#define FSP_LC_STRUCT_FIXED_SZ 0x0a + +/* LED Device tree property names */ +#define DT_PROPERTY_LED_COMPATIBLE "ibm,opal-v3-led" +#define DT_PROPERTY_LED_NODE "leds" +#define DT_PROPERTY_LED_MODE "led-mode" +#define DT_PROPERTY_LED_TYPES "led-types" + +/* LED Mode */ +#define LED_MODE_LIGHT_PATH "lightpath" +#define LED_MODE_GUIDING_LIGHT "guidinglight" + +/* LED type */ +#define LED_TYPE_IDENTIFY "identify" +#define LED_TYPE_FAULT "fault" +#define LED_TYPE_ATTENTION "attention" + +#endif |