io_event_irq.h

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/*
 * Copyright 2010, 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version
 *  2 of the License, or (at your option) any later version.
 */

#ifndef _ASM_POWERPC_IO_EVENT_IRQ_H
#define _ASM_POWERPC_IO_EVENT_IRQ_H

#include <linux/types.h>
#include <linux/notifier.h>

#define PSERIES_IOEI_RPC_MAX_LEN 216

#define PSERIES_IOEI_TYPE_ERR_DETECTED      0x01
#define PSERIES_IOEI_TYPE_ERR_RECOVERED     0x02
#define PSERIES_IOEI_TYPE_EVENT         0x03
#define PSERIES_IOEI_TYPE_RPC_PASS_THRU     0x04

#define PSERIES_IOEI_SUBTYPE_NOT_APP        0x00
#define PSERIES_IOEI_SUBTYPE_REBALANCE_REQ  0x01
#define PSERIES_IOEI_SUBTYPE_NODE_ONLINE    0x03
#define PSERIES_IOEI_SUBTYPE_NODE_OFFLINE   0x04
#define PSERIES_IOEI_SUBTYPE_DUMP_SIZE_CHANGE   0x05
#define PSERIES_IOEI_SUBTYPE_TORRENT_IRV_UPDATE 0x06
#define PSERIES_IOEI_SUBTYPE_TORRENT_HFI_CFGED  0x07

#define PSERIES_IOEI_SCOPE_NOT_APP      0x00
#define PSERIES_IOEI_SCOPE_RIO_HUB      0x36
#define PSERIES_IOEI_SCOPE_RIO_BRIDGE       0x37
#define PSERIES_IOEI_SCOPE_PHB          0x38
#define PSERIES_IOEI_SCOPE_EADS_GLOBAL      0x39
#define PSERIES_IOEI_SCOPE_EADS_SLOT        0x3A
#define PSERIES_IOEI_SCOPE_TORRENT_HUB      0x3B
#define PSERIES_IOEI_SCOPE_SERVICE_PROC     0x51

/* Platform Event Log Format, Version 6, data portition of IO event section */
struct pseries_io_event {
    uint8_t event_type;     /* 0x00 IO-Event Type       */
    uint8_t rpc_data_len;       /* 0x01 RPC data length     */
    uint8_t scope;          /* 0x02 Error/Event Scope   */
    uint8_t event_subtype;      /* 0x03 I/O-Event Sub-Type  */
    uint32_t drc_index;     /* 0x04 DRC Index       */
    uint8_t rpc_data[PSERIES_IOEI_RPC_MAX_LEN];
                    /* 0x08 RPC Data (0-216 bytes,  */
                    /* padded to 4 bytes alignment) */
};

extern struct atomic_notifier_head pseries_ioei_notifier_list;

#endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */