xref: /linux/arch/powerpc/include/asm/io_event_irq.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 */
41 struct 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 
52 extern struct atomic_notifier_head pseries_ioei_notifier_list;
53 
54 #endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */
55