1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 #ifndef _ASM_POWERPC_RTAS_TYPES_H
3 #define _ASM_POWERPC_RTAS_TYPES_H
5 #include <linux/compiler_attributes.h>
7 typedef __be32 rtas_arg_t;
14 rtas_arg_t *rets; /* Pointer to return values in args[]. */
18 unsigned long entry; /* physical address pointer */
19 unsigned long base; /* physical address pointer */
21 struct device_node *dev; /* virtual address pointer */
24 struct rtas_error_log {
26 u8 byte0; /* Architectural version */
31 * XXX 3: Severity level of error
32 * XX 2: Degree of recovery
33 * X 1: Extended log present?
40 * XXXX 4: Initiator of event
41 * XXXX 4: Target of failed operation
43 u8 byte3; /* General event or error*/
44 __be32 extended_log_length; /* length in bytes */
45 unsigned char buffer[1]; /* Start of extended log */
46 /* Variable length. */
49 /* RTAS general extended event log, Version 6. The extended log starts
50 * from "buffer" field of struct rtas_error_log defined above.
52 struct rtas_ext_event_log_v6 {
57 * X 1: Unrecoverable error
58 * X 1: Recoverable (correctable or successfully retried)
59 * X 1: Bypassed unrecoverable error (degraded operation)
60 * X 1: Predictive error
61 * X 1: "New" log (always 1 for data returned from RTAS)
67 u8 byte1; /* reserved */
72 * X 1: Set to 1 (indicating log is in PowerPC format)
74 * XXXX 4: Log format used for bytes 12-2047
78 u8 byte3; /* reserved */
80 u8 reserved[8]; /* reserved */
82 __be32 company_id; /* Company ID of the company */
83 /* that defines the format for */
84 /* the vendor specific log type */
85 /* Byte 16-end of log */
86 u8 vendor_log[1]; /* Start of vendor specific log */
87 /* Variable length. */
90 /* Vendor specific Platform Event Log Format, Version 6, section header */
91 struct pseries_errorlog {
92 __be16 id; /* 0x00 2-byte ASCII section ID */
93 __be16 length; /* 0x02 Section length in bytes */
94 u8 version; /* 0x04 Section version */
95 u8 subtype; /* 0x05 Section subtype */
96 __be16 creator_component; /* 0x06 Creator component ID */
97 u8 data[]; /* 0x08 Start of section data */
100 /* RTAS pseries hotplug errorlog section */
101 struct pseries_hp_errorlog {
109 struct { __be32 count, index; } ic;
114 #endif /* _ASM_POWERPC_RTAS_TYPES_H */