arch/powerpc/include/asm/io_event_irq.h

   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 */