tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
29struct eeh_event {
30 struct list_head list;
31 struct device_node *dn; /* struct device node */
32 struct pci_dev *dev; /* affected device */
33 enum pci_channel_state state; /* PCI bus state for the affected device */
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 eeh_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 */
48int eeh_send_failure_event (struct device_node *dn,
49 struct pci_dev *dev,
50 enum pci_channel_state state,
51 int time_unavail);
52
53/* Main recovery function */
54struct pci_dn * handle_eeh_events (struct eeh_event *);
55
56#endif /* __KERNEL__ */
57#endif /* ASM_POWERPC_EEH_EVENT_H */