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Annotation of Gnu-Mach/xen/public/io/xenbus.h, revision 1.1.1.1

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

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