1*3a9fd824SRoger Pau Monné /***************************************************************************** 2*3a9fd824SRoger Pau Monné * xenbus.h 3*3a9fd824SRoger Pau Monné * 4*3a9fd824SRoger Pau Monné * Xenbus protocol details. 5*3a9fd824SRoger Pau Monné * 6*3a9fd824SRoger Pau Monné * Permission is hereby granted, free of charge, to any person obtaining a copy 7*3a9fd824SRoger Pau Monné * of this software and associated documentation files (the "Software"), to 8*3a9fd824SRoger Pau Monné * deal in the Software without restriction, including without limitation the 9*3a9fd824SRoger Pau Monné * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 10*3a9fd824SRoger Pau Monné * sell copies of the Software, and to permit persons to whom the Software is 11*3a9fd824SRoger Pau Monné * furnished to do so, subject to the following conditions: 12*3a9fd824SRoger Pau Monné * 13*3a9fd824SRoger Pau Monné * The above copyright notice and this permission notice shall be included in 14*3a9fd824SRoger Pau Monné * all copies or substantial portions of the Software. 15*3a9fd824SRoger Pau Monné * 16*3a9fd824SRoger Pau Monné * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*3a9fd824SRoger Pau Monné * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*3a9fd824SRoger Pau Monné * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 19*3a9fd824SRoger Pau Monné * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*3a9fd824SRoger Pau Monné * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21*3a9fd824SRoger Pau Monné * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22*3a9fd824SRoger Pau Monné * DEALINGS IN THE SOFTWARE. 23*3a9fd824SRoger Pau Monné * 24*3a9fd824SRoger Pau Monné * Copyright (C) 2005 XenSource Ltd. 25*3a9fd824SRoger Pau Monné */ 26*3a9fd824SRoger Pau Monné 27*3a9fd824SRoger Pau Monné #ifndef _XEN_PUBLIC_IO_XENBUS_H 28*3a9fd824SRoger Pau Monné #define _XEN_PUBLIC_IO_XENBUS_H 29*3a9fd824SRoger Pau Monné 30*3a9fd824SRoger Pau Monné /* 31*3a9fd824SRoger Pau Monné * The state of either end of the Xenbus, i.e. the current communication 32*3a9fd824SRoger Pau Monné * status of initialisation across the bus. States here imply nothing about 33*3a9fd824SRoger Pau Monné * the state of the connection between the driver and the kernel's device 34*3a9fd824SRoger Pau Monné * layers. 35*3a9fd824SRoger Pau Monné */ 36*3a9fd824SRoger Pau Monné enum xenbus_state { 37*3a9fd824SRoger Pau Monné XenbusStateUnknown = 0, 38*3a9fd824SRoger Pau Monné 39*3a9fd824SRoger Pau Monné XenbusStateInitialising = 1, 40*3a9fd824SRoger Pau Monné 41*3a9fd824SRoger Pau Monné /* 42*3a9fd824SRoger Pau Monné * InitWait: Finished early initialisation but waiting for information 43*3a9fd824SRoger Pau Monné * from the peer or hotplug scripts. 44*3a9fd824SRoger Pau Monné */ 45*3a9fd824SRoger Pau Monné XenbusStateInitWait = 2, 46*3a9fd824SRoger Pau Monné 47*3a9fd824SRoger Pau Monné /* 48*3a9fd824SRoger Pau Monné * Initialised: Waiting for a connection from the peer. 49*3a9fd824SRoger Pau Monné */ 50*3a9fd824SRoger Pau Monné XenbusStateInitialised = 3, 51*3a9fd824SRoger Pau Monné 52*3a9fd824SRoger Pau Monné XenbusStateConnected = 4, 53*3a9fd824SRoger Pau Monné 54*3a9fd824SRoger Pau Monné /* 55*3a9fd824SRoger Pau Monné * Closing: The device is being closed due to an error or an unplug event. 56*3a9fd824SRoger Pau Monné */ 57*3a9fd824SRoger Pau Monné XenbusStateClosing = 5, 58*3a9fd824SRoger Pau Monné 59*3a9fd824SRoger Pau Monné XenbusStateClosed = 6, 60*3a9fd824SRoger Pau Monné 61*3a9fd824SRoger Pau Monné /* 62*3a9fd824SRoger Pau Monné * Reconfiguring: The device is being reconfigured. 63*3a9fd824SRoger Pau Monné */ 64*3a9fd824SRoger Pau Monné XenbusStateReconfiguring = 7, 65*3a9fd824SRoger Pau Monné 66*3a9fd824SRoger Pau Monné XenbusStateReconfigured = 8 67*3a9fd824SRoger Pau Monné }; 68*3a9fd824SRoger Pau Monné typedef enum xenbus_state XenbusState; 69*3a9fd824SRoger Pau Monné 70*3a9fd824SRoger Pau Monné #endif /* _XEN_PUBLIC_IO_XENBUS_H */ 71*3a9fd824SRoger Pau Monné 72*3a9fd824SRoger Pau Monné /* 73*3a9fd824SRoger Pau Monné * Local variables: 74*3a9fd824SRoger Pau Monné * mode: C 75*3a9fd824SRoger Pau Monné * c-file-style: "BSD" 76*3a9fd824SRoger Pau Monné * c-basic-offset: 4 77*3a9fd824SRoger Pau Monné * tab-width: 4 78*3a9fd824SRoger Pau Monné * indent-tabs-mode: nil 79*3a9fd824SRoger Pau Monné * End: 80*3a9fd824SRoger Pau Monné */ 81