1843e1988Sjohnlev /***************************************************************************** 2843e1988Sjohnlev * xenbus.h 3843e1988Sjohnlev * 4843e1988Sjohnlev * Xenbus protocol details. 5843e1988Sjohnlev * 6843e1988Sjohnlev * Permission is hereby granted, free of charge, to any person obtaining a copy 7843e1988Sjohnlev * of this software and associated documentation files (the "Software"), to 8843e1988Sjohnlev * deal in the Software without restriction, including without limitation the 9843e1988Sjohnlev * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10843e1988Sjohnlev * sell copies of the Software, and to permit persons to whom the Software is 11843e1988Sjohnlev * furnished to do so, subject to the following conditions: 12843e1988Sjohnlev * 13843e1988Sjohnlev * The above copyright notice and this permission notice shall be included in 14843e1988Sjohnlev * all copies or substantial portions of the Software. 15843e1988Sjohnlev * 16843e1988Sjohnlev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17843e1988Sjohnlev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18843e1988Sjohnlev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19843e1988Sjohnlev * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20843e1988Sjohnlev * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21843e1988Sjohnlev * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22843e1988Sjohnlev * DEALINGS IN THE SOFTWARE. 23843e1988Sjohnlev * 24843e1988Sjohnlev * Copyright (C) 2005 XenSource Ltd. 25843e1988Sjohnlev */ 26843e1988Sjohnlev 27843e1988Sjohnlev #ifndef _XEN_PUBLIC_IO_XENBUS_H 28843e1988Sjohnlev #define _XEN_PUBLIC_IO_XENBUS_H 29843e1988Sjohnlev 30843e1988Sjohnlev /* 31843e1988Sjohnlev * The state of either end of the Xenbus, i.e. the current communication 32843e1988Sjohnlev * status of initialisation across the bus. States here imply nothing about 33843e1988Sjohnlev * the state of the connection between the driver and the kernel's device 34843e1988Sjohnlev * layers. 35843e1988Sjohnlev */ 36843e1988Sjohnlev enum xenbus_state { 37843e1988Sjohnlev XenbusStateUnknown = 0, 38843e1988Sjohnlev 39843e1988Sjohnlev XenbusStateInitialising = 1, 40843e1988Sjohnlev 41843e1988Sjohnlev /* 42843e1988Sjohnlev * InitWait: Finished early initialisation but waiting for information 43843e1988Sjohnlev * from the peer or hotplug scripts. 44843e1988Sjohnlev */ 45843e1988Sjohnlev XenbusStateInitWait = 2, 46843e1988Sjohnlev 47843e1988Sjohnlev /* 48843e1988Sjohnlev * Initialised: Waiting for a connection from the peer. 49843e1988Sjohnlev */ 50843e1988Sjohnlev XenbusStateInitialised = 3, 51843e1988Sjohnlev 52843e1988Sjohnlev XenbusStateConnected = 4, 53843e1988Sjohnlev 54843e1988Sjohnlev /* 55843e1988Sjohnlev * Closing: The device is being closed due to an error or an unplug event. 56843e1988Sjohnlev */ 57843e1988Sjohnlev XenbusStateClosing = 5, 58843e1988Sjohnlev 59*349b53ddSStuart Maybee XenbusStateClosed = 6, 60*349b53ddSStuart Maybee 61*349b53ddSStuart Maybee /* 62*349b53ddSStuart Maybee * Reconfiguring: The device is being reconfigured. 63*349b53ddSStuart Maybee */ 64*349b53ddSStuart Maybee XenbusStateReconfiguring = 7, 65*349b53ddSStuart Maybee 66*349b53ddSStuart Maybee XenbusStateReconfigured = 8 67843e1988Sjohnlev }; 68843e1988Sjohnlev typedef enum xenbus_state XenbusState; 69843e1988Sjohnlev 70843e1988Sjohnlev #endif /* _XEN_PUBLIC_IO_XENBUS_H */ 71843e1988Sjohnlev 72843e1988Sjohnlev /* 73843e1988Sjohnlev * Local variables: 74843e1988Sjohnlev * mode: C 75843e1988Sjohnlev * c-set-style: "BSD" 76843e1988Sjohnlev * c-basic-offset: 4 77843e1988Sjohnlev * tab-width: 4 78843e1988Sjohnlev * indent-tabs-mode: nil 79843e1988Sjohnlev * End: 80843e1988Sjohnlev */ 81