1783a015bSLeonardo Bras /* SPDX-License-Identifier: GPL-2.0-or-later */ 2783a015bSLeonardo Bras #ifndef _ASM_POWERPC_RTAS_TYPES_H 3783a015bSLeonardo Bras #define _ASM_POWERPC_RTAS_TYPES_H 4783a015bSLeonardo Bras 5*f40b0f6cSNathan Lynch #include <linux/compiler_attributes.h> 6783a015bSLeonardo Bras 7783a015bSLeonardo Bras typedef __be32 rtas_arg_t; 8783a015bSLeonardo Bras 9783a015bSLeonardo Bras struct rtas_args { 10783a015bSLeonardo Bras __be32 token; 11783a015bSLeonardo Bras __be32 nargs; 12783a015bSLeonardo Bras __be32 nret; 13783a015bSLeonardo Bras rtas_arg_t args[16]; 14783a015bSLeonardo Bras rtas_arg_t *rets; /* Pointer to return values in args[]. */ 15*f40b0f6cSNathan Lynch } __aligned(8); 16783a015bSLeonardo Bras 17783a015bSLeonardo Bras struct rtas_t { 18783a015bSLeonardo Bras unsigned long entry; /* physical address pointer */ 19783a015bSLeonardo Bras unsigned long base; /* physical address pointer */ 20783a015bSLeonardo Bras unsigned long size; 21783a015bSLeonardo Bras struct device_node *dev; /* virtual address pointer */ 22783a015bSLeonardo Bras }; 23783a015bSLeonardo Bras 24783a015bSLeonardo Bras struct rtas_error_log { 25783a015bSLeonardo Bras /* Byte 0 */ 26783a015bSLeonardo Bras u8 byte0; /* Architectural version */ 27783a015bSLeonardo Bras 28783a015bSLeonardo Bras /* Byte 1 */ 29783a015bSLeonardo Bras u8 byte1; 30783a015bSLeonardo Bras /* XXXXXXXX 31783a015bSLeonardo Bras * XXX 3: Severity level of error 32783a015bSLeonardo Bras * XX 2: Degree of recovery 33783a015bSLeonardo Bras * X 1: Extended log present? 34783a015bSLeonardo Bras * XX 2: Reserved 35783a015bSLeonardo Bras */ 36783a015bSLeonardo Bras 37783a015bSLeonardo Bras /* Byte 2 */ 38783a015bSLeonardo Bras u8 byte2; 39783a015bSLeonardo Bras /* XXXXXXXX 40783a015bSLeonardo Bras * XXXX 4: Initiator of event 41783a015bSLeonardo Bras * XXXX 4: Target of failed operation 42783a015bSLeonardo Bras */ 43783a015bSLeonardo Bras u8 byte3; /* General event or error*/ 44783a015bSLeonardo Bras __be32 extended_log_length; /* length in bytes */ 45783a015bSLeonardo Bras unsigned char buffer[1]; /* Start of extended log */ 46783a015bSLeonardo Bras /* Variable length. */ 47783a015bSLeonardo Bras }; 48783a015bSLeonardo Bras 49783a015bSLeonardo Bras /* RTAS general extended event log, Version 6. The extended log starts 50783a015bSLeonardo Bras * from "buffer" field of struct rtas_error_log defined above. 51783a015bSLeonardo Bras */ 52783a015bSLeonardo Bras struct rtas_ext_event_log_v6 { 53783a015bSLeonardo Bras /* Byte 0 */ 54783a015bSLeonardo Bras u8 byte0; 55783a015bSLeonardo Bras /* XXXXXXXX 56783a015bSLeonardo Bras * X 1: Log valid 57783a015bSLeonardo Bras * X 1: Unrecoverable error 58783a015bSLeonardo Bras * X 1: Recoverable (correctable or successfully retried) 59783a015bSLeonardo Bras * X 1: Bypassed unrecoverable error (degraded operation) 60783a015bSLeonardo Bras * X 1: Predictive error 61783a015bSLeonardo Bras * X 1: "New" log (always 1 for data returned from RTAS) 62783a015bSLeonardo Bras * X 1: Big Endian 63783a015bSLeonardo Bras * X 1: Reserved 64783a015bSLeonardo Bras */ 65783a015bSLeonardo Bras 66783a015bSLeonardo Bras /* Byte 1 */ 67783a015bSLeonardo Bras u8 byte1; /* reserved */ 68783a015bSLeonardo Bras 69783a015bSLeonardo Bras /* Byte 2 */ 70783a015bSLeonardo Bras u8 byte2; 71783a015bSLeonardo Bras /* XXXXXXXX 72783a015bSLeonardo Bras * X 1: Set to 1 (indicating log is in PowerPC format) 73783a015bSLeonardo Bras * XXX 3: Reserved 74783a015bSLeonardo Bras * XXXX 4: Log format used for bytes 12-2047 75783a015bSLeonardo Bras */ 76783a015bSLeonardo Bras 77783a015bSLeonardo Bras /* Byte 3 */ 78783a015bSLeonardo Bras u8 byte3; /* reserved */ 79783a015bSLeonardo Bras /* Byte 4-11 */ 80783a015bSLeonardo Bras u8 reserved[8]; /* reserved */ 81783a015bSLeonardo Bras /* Byte 12-15 */ 82783a015bSLeonardo Bras __be32 company_id; /* Company ID of the company */ 83783a015bSLeonardo Bras /* that defines the format for */ 84783a015bSLeonardo Bras /* the vendor specific log type */ 85783a015bSLeonardo Bras /* Byte 16-end of log */ 86783a015bSLeonardo Bras u8 vendor_log[1]; /* Start of vendor specific log */ 87783a015bSLeonardo Bras /* Variable length. */ 88783a015bSLeonardo Bras }; 89783a015bSLeonardo Bras 90783a015bSLeonardo Bras /* Vendor specific Platform Event Log Format, Version 6, section header */ 91783a015bSLeonardo Bras struct pseries_errorlog { 92783a015bSLeonardo Bras __be16 id; /* 0x00 2-byte ASCII section ID */ 93783a015bSLeonardo Bras __be16 length; /* 0x02 Section length in bytes */ 94783a015bSLeonardo Bras u8 version; /* 0x04 Section version */ 95783a015bSLeonardo Bras u8 subtype; /* 0x05 Section subtype */ 96783a015bSLeonardo Bras __be16 creator_component; /* 0x06 Creator component ID */ 97783a015bSLeonardo Bras u8 data[]; /* 0x08 Start of section data */ 98783a015bSLeonardo Bras }; 99783a015bSLeonardo Bras 100783a015bSLeonardo Bras /* RTAS pseries hotplug errorlog section */ 101783a015bSLeonardo Bras struct pseries_hp_errorlog { 102783a015bSLeonardo Bras u8 resource; 103783a015bSLeonardo Bras u8 action; 104783a015bSLeonardo Bras u8 id_type; 105783a015bSLeonardo Bras u8 reserved; 106783a015bSLeonardo Bras union { 107783a015bSLeonardo Bras __be32 drc_index; 108783a015bSLeonardo Bras __be32 drc_count; 109783a015bSLeonardo Bras struct { __be32 count, index; } ic; 110783a015bSLeonardo Bras char drc_name[1]; 111783a015bSLeonardo Bras } _drc_u; 112783a015bSLeonardo Bras }; 113783a015bSLeonardo Bras 114783a015bSLeonardo Bras #endif /* _ASM_POWERPC_RTAS_TYPES_H */ 115