projects / deliverable / linux.git / blame
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|---|---|---|
| 172ca926 LV |
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_PPC64_EEH_EVENT_H | |
| 22 | #define ASM_PPC64_EEH_EVENT_H | |
| 88ced031 | 23 | #ifdef __KERNEL__ |
| 172ca926 LV |
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 */ | |
| 77bd7415 | 33 | enum pci_channel_state state; /* PCI bus state for the affected device */ |
| 172ca926 LV |
34 | int time_unavail; /* milliseconds until device might be available */ |
| 35 | }; | |
| 36 | ||
| 37 | /** | |
| 38 | * eeh_send_failure_event - generate a PCI error event | |
| 39 | * @dev pci device | |
| 40 | * | |
| 41 | * This routine builds a PCI error event which will be delivered | |
| 42 | * to all listeners on the peh_notifier_chain. | |
| 43 | * | |
| 44 | * This routine can be called within an interrupt context; | |
| 45 | * the actual event will be delivered in a normal context | |
| 46 | * (from a workqueue). | |
| 47 | */ | |
| 48 | int eeh_send_failure_event (struct device_node *dn, | |
| 49 | struct pci_dev *dev, | |
| 77bd7415 | 50 | enum pci_channel_state state, |
| 172ca926 LV |
51 | int time_unavail); |
| 52 | ||
| 77bd7415 LV |
53 | /* Main recovery function */ |
| 54 | void handle_eeh_events (struct eeh_event *); | |
| 55 | ||
| 88ced031 | 56 | #endif /* __KERNEL__ */ |
| 172ca926 | 57 | #endif /* ASM_PPC64_EEH_EVENT_H */ |