arch/powerpc/include/asm/eeh_event.h

   1 /*
   2  *      eeh_event.h
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17  *
  18  * Copyright (c) 2005 Linas Vepstas <linas@linas.org>
  19  */
  20
  21 #ifndef ASM_POWERPC_EEH_EVENT_H
  22 #define ASM_POWERPC_EEH_EVENT_H
  23 #ifdef __KERNEL__
  24
  25 /** EEH event -- structure holding pci controller data that describes
  26  *  a change in the isolation status of a PCI slot.  A pointer
  27  *  to this struct is passed as the data pointer in a notify callback.
  28  */
  29 struct eeh_event {
  30         struct list_head     list;
  31         struct device_node      *dn;   /* struct device node */
  32         struct pci_dev       *dev;  /* affected device */
  33 };
  34
  35 /**
  36  * eeh_send_failure_event - generate a PCI error event
  37  * @dev pci device
  38  *
  39  * This routine builds a PCI error event which will be delivered
  40  * to all listeners on the eeh_notifier_chain.
  41  *
  42  * This routine can be called within an interrupt context;
  43  * the actual event will be delivered in a normal context
  44  * (from a workqueue).
  45  */
  46 int eeh_send_failure_event (struct device_node *dn,
  47                             struct pci_dev *dev);
  48
  49 /* Main recovery function */
  50 struct pci_dn * handle_eeh_events (struct eeh_event *);
  51
  52 #endif /* __KERNEL__ */
  53 #endif /* ASM_POWERPC_EEH_EVENT_H */