xref: /linux/arch/powerpc/include/asm/io_event_irq.h (revision 26fbb4c8c7c3ee9a4c3b4de555a8587b5a19154e)
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 */
37 struct 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 
48 extern struct atomic_notifier_head pseries_ioei_notifier_list;
49 
50 #endif /* _ASM_POWERPC_IO_EVENT_IRQ_H */
51