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
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