arch/powerpc/include/asm/io_event_irq.h

   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 */