/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _ASM_POWERPC_RTAS_TYPES_H
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#define _ASM_POWERPC_RTAS_TYPES_H
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#include <linux/spinlock_types.h>
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typedef __be32 rtas_arg_t;
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struct rtas_args {
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__be32 token;
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__be32 nargs;
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__be32 nret;
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rtas_arg_t args[16];
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rtas_arg_t *rets; /* Pointer to return values in args[]. */
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};
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struct rtas_t {
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unsigned long entry; /* physical address pointer */
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unsigned long base; /* physical address pointer */
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unsigned long size;
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arch_spinlock_t lock;
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struct rtas_args args;
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struct device_node *dev; /* virtual address pointer */
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};
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struct rtas_suspend_me_data {
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atomic_t working; /* number of cpus accessing this struct */
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atomic_t done;
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int token; /* ibm,suspend-me */
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atomic_t error;
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struct completion *complete; /* wait on this until working == 0 */
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};
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struct rtas_error_log {
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/* Byte 0 */
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u8 byte0; /* Architectural version */
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/* Byte 1 */
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u8 byte1;
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/* XXXXXXXX
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* XXX 3: Severity level of error
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* XX 2: Degree of recovery
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* X 1: Extended log present?
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* XX 2: Reserved
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*/
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/* Byte 2 */
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u8 byte2;
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/* XXXXXXXX
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* XXXX 4: Initiator of event
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* XXXX 4: Target of failed operation
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*/
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u8 byte3; /* General event or error*/
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__be32 extended_log_length; /* length in bytes */
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unsigned char buffer[1]; /* Start of extended log */
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/* Variable length. */
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};
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/* RTAS general extended event log, Version 6. The extended log starts
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* from "buffer" field of struct rtas_error_log defined above.
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*/
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struct rtas_ext_event_log_v6 {
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/* Byte 0 */
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u8 byte0;
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/* XXXXXXXX
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* X 1: Log valid
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* X 1: Unrecoverable error
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* X 1: Recoverable (correctable or successfully retried)
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* X 1: Bypassed unrecoverable error (degraded operation)
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* X 1: Predictive error
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* X 1: "New" log (always 1 for data returned from RTAS)
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* X 1: Big Endian
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* X 1: Reserved
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*/
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/* Byte 1 */
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u8 byte1; /* reserved */
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/* Byte 2 */
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u8 byte2;
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/* XXXXXXXX
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* X 1: Set to 1 (indicating log is in PowerPC format)
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* XXX 3: Reserved
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* XXXX 4: Log format used for bytes 12-2047
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*/
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/* Byte 3 */
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u8 byte3; /* reserved */
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/* Byte 4-11 */
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u8 reserved[8]; /* reserved */
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/* Byte 12-15 */
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__be32 company_id; /* Company ID of the company */
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/* that defines the format for */
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/* the vendor specific log type */
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/* Byte 16-end of log */
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u8 vendor_log[1]; /* Start of vendor specific log */
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/* Variable length. */
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};
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/* Vendor specific Platform Event Log Format, Version 6, section header */
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struct pseries_errorlog {
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__be16 id; /* 0x00 2-byte ASCII section ID */
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__be16 length; /* 0x02 Section length in bytes */
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u8 version; /* 0x04 Section version */
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u8 subtype; /* 0x05 Section subtype */
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__be16 creator_component; /* 0x06 Creator component ID */
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u8 data[]; /* 0x08 Start of section data */
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};
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/* RTAS pseries hotplug errorlog section */
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struct pseries_hp_errorlog {
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u8 resource;
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u8 action;
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u8 id_type;
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u8 reserved;
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union {
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__be32 drc_index;
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__be32 drc_count;
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struct { __be32 count, index; } ic;
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char drc_name[1];
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} _drc_u;
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};
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#endif /* _ASM_POWERPC_RTAS_TYPES_H */
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