1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright 2010, 2011 Mark Nelson and Tseng-Hui (Frank) Lin, IBM Corporation
4 */
5
6#ifndef _ASM_POWERPC_IO_EVENT_IRQ_H
7#define _ASM_POWERPC_IO_EVENT_IRQ_H
8
9#include <linux/types.h>
10#include <linux/notifier.h>
11
12#define PSERIES_IOEI_RPC_MAX_LEN 216
13
14#define PSERIES_IOEI_TYPE_ERR_DETECTED		0x01
15#define PSERIES_IOEI_TYPE_ERR_RECOVERED		0x02
16#define PSERIES_IOEI_TYPE_EVENT			0x03
17#define PSERIES_IOEI_TYPE_RPC_PASS_THRU		0x04
18
19#define PSERIES_IOEI_SUBTYPE_NOT_APP		0x00
20#define PSERIES_IOEI_SUBTYPE_REBALANCE_REQ	0x01
21#define PSERIES_IOEI_SUBTYPE_NODE_ONLINE	0x03
22#define PSERIES_IOEI_SUBTYPE_NODE_OFFLINE	0x04
23#define PSERIES_IOEI_SUBTYPE_DUMP_SIZE_CHANGE	0x05
24#define PSERIES_IOEI_SUBTYPE_TORRENT_IRV_UPDATE	0x06
25#define PSERIES_IOEI_SUBTYPE_TORRENT_HFI_CFGED	0x07
26
27#define PSERIES_IOEI_SCOPE_NOT_APP		0x00
28#define PSERIES_IOEI_SCOPE_RIO_HUB		0x36
29#define PSERIES_IOEI_SCOPE_RIO_BRIDGE		0x37
30#define PSERIES_IOEI_SCOPE_PHB			0x38
31#define PSERIES_IOEI_SCOPE_EADS_GLOBAL		0x39
32#define PSERIES_IOEI_SCOPE_EADS_SLOT		0x3A
33#define PSERIES_IOEI_SCOPE_TORRENT_HUB		0x3B
34#define PSERIES_IOEI_SCOPE_SERVICE_PROC		0x51
35
36/* Platform Event Log Format, Version 6, data portition of IO event section */
37struct pseries_io_event {
38	uint8_t event_type;		/* 0x00 IO-Event Type		*/
39	uint8_t rpc_data_len;		/* 0x01 RPC data length		*/
40	uint8_t scope;			/* 0x02 Error/Event Scope	*/
41	uint8_t event_subtype;		/* 0x03 I/O-Event Sub-Type	*/
42	uint32_t drc_index;		/* 0x04 DRC Index		*/
43	uint8_t rpc_data[PSERIES_IOEI_RPC_MAX_LEN];
44					/* 0x08 RPC Data (0-216 bytes,	*/
45					/* padded to 4 bytes alignment)	*/
46};
47
48extern struct atomic_notifier_head pseries_ioei_notifier_list;
49
50#endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */
51