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