1/*
2 * Copyright 2010, 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation
3 *
4 *  This program is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU General Public License
6 *  as published by the Free Software Foundation; either version
7 *  2 of the License, or (at your option) any later version.
8 */
9
10#ifndef _ASM_POWERPC_IO_EVENT_IRQ_H
11#define _ASM_POWERPC_IO_EVENT_IRQ_H
12
13#include <linux/types.h>
14#include <linux/notifier.h>
15
16#define PSERIES_IOEI_RPC_MAX_LEN 216
17
18#define PSERIES_IOEI_TYPE_ERR_DETECTED		0x01
19#define PSERIES_IOEI_TYPE_ERR_RECOVERED		0x02
20#define PSERIES_IOEI_TYPE_EVENT			0x03
21#define PSERIES_IOEI_TYPE_RPC_PASS_THRU		0x04
22
23#define PSERIES_IOEI_SUBTYPE_NOT_APP		0x00
24#define PSERIES_IOEI_SUBTYPE_REBALANCE_REQ	0x01
25#define PSERIES_IOEI_SUBTYPE_NODE_ONLINE	0x03
26#define PSERIES_IOEI_SUBTYPE_NODE_OFFLINE	0x04
27#define PSERIES_IOEI_SUBTYPE_DUMP_SIZE_CHANGE	0x05
28#define PSERIES_IOEI_SUBTYPE_TORRENT_IRV_UPDATE	0x06
29#define PSERIES_IOEI_SUBTYPE_TORRENT_HFI_CFGED	0x07
30
31#define PSERIES_IOEI_SCOPE_NOT_APP		0x00
32#define PSERIES_IOEI_SCOPE_RIO_HUB		0x36
33#define PSERIES_IOEI_SCOPE_RIO_BRIDGE		0x37
34#define PSERIES_IOEI_SCOPE_PHB			0x38
35#define PSERIES_IOEI_SCOPE_EADS_GLOBAL		0x39
36#define PSERIES_IOEI_SCOPE_EADS_SLOT		0x3A
37#define PSERIES_IOEI_SCOPE_TORRENT_HUB		0x3B
38#define PSERIES_IOEI_SCOPE_SERVICE_PROC		0x51
39
40/* Platform Event Log Format, Version 6, data portition of IO event section */
41struct pseries_io_event {
42	uint8_t event_type;		/* 0x00 IO-Event Type		*/
43	uint8_t rpc_data_len;		/* 0x01 RPC data length		*/
44	uint8_t scope;			/* 0x02 Error/Event Scope	*/
45	uint8_t event_subtype;		/* 0x03 I/O-Event Sub-Type	*/
46	uint32_t drc_index;		/* 0x04 DRC Index		*/
47	uint8_t rpc_data[PSERIES_IOEI_RPC_MAX_LEN];
48					/* 0x08 RPC Data (0-216 bytes,	*/
49					/* padded to 4 bytes alignment)	*/
50};
51
52extern struct atomic_notifier_head pseries_ioei_notifier_list;
53
54#endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */
55