| Jeremy Fitzhardinge | a42089d | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 1 | /***************************************************************************** |
| 2 | * xenbus.h |
| 3 | * |
| 4 | * Xenbus protocol details. |
| 5 | * |
| 6 | * Copyright (C) 2005 XenSource Ltd. |
| 7 | */ |
| 8 | |
| 9 | #ifndef _XEN_PUBLIC_IO_XENBUS_H |
| 10 | #define _XEN_PUBLIC_IO_XENBUS_H |
| 11 | |
| 12 | /* The state of either end of the Xenbus, i.e. the current communication |
| 13 | status of initialisation across the bus. States here imply nothing about |
| 14 | the state of the connection between the driver and the kernel's device |
| 15 | layers. */ |
| 16 | enum xenbus_state |
| 17 | { |
| 18 | XenbusStateUnknown = 0, |
| 19 | XenbusStateInitialising = 1, |
| 20 | XenbusStateInitWait = 2, /* Finished early |
| 21 | initialisation, but waiting |
| 22 | for information from the peer |
| 23 | or hotplug scripts. */ |
| 24 | XenbusStateInitialised = 3, /* Initialised and waiting for a |
| 25 | connection from the peer. */ |
| 26 | XenbusStateConnected = 4, |
| 27 | XenbusStateClosing = 5, /* The device is being closed |
| 28 | due to an error or an unplug |
| 29 | event. */ |
| Yosuke Iwamatsu | 89afb6e | 2009-10-13 17:22:27 -0400 | [diff] [blame] | 30 | XenbusStateClosed = 6, |
| Jeremy Fitzhardinge | a42089d | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 31 | |
| Yosuke Iwamatsu | 89afb6e | 2009-10-13 17:22:27 -0400 | [diff] [blame] | 32 | /* |
| 33 | * Reconfiguring: The device is being reconfigured. |
| 34 | */ |
| 35 | XenbusStateReconfiguring = 7, |
| 36 | |
| 37 | XenbusStateReconfigured = 8 |
| Jeremy Fitzhardinge | a42089d | 2007-07-17 18:37:04 -0700 | [diff] [blame] | 38 | }; |
| 39 | |
| 40 | #endif /* _XEN_PUBLIC_IO_XENBUS_H */ |
| 41 | |
| 42 | /* |
| 43 | * Local variables: |
| 44 | * c-file-style: "linux" |
| 45 | * indent-tabs-mode: t |
| 46 | * c-indent-level: 8 |
| 47 | * c-basic-offset: 8 |
| 48 | * tab-width: 8 |
| 49 | * End: |
| 50 | */ |