3a6d1fcf9c
Log:
- merge in latest xenbus from dfr's xenhvm
- fix race condition in xs_read_reply by converting tsleep to mtx_sleep
Log:
unmask evtchn in bind_{virq, ipi}_to_irq
Log:
- remove code for handling case of not being able to sleep
- eliminate tsleep - make sleeps atomic
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/*
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* Private include for xenbus communications.
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*
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* Copyright (C) 2005 Rusty Russell, IBM Corporation
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*
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* This file may be distributed separately from the Linux kernel, or
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* incorporated into other software packages, subject to the following license:
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this source file (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify,
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* merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* $FreeBSD$
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*/
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#ifndef _XENBUS_COMMS_H
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#define _XENBUS_COMMS_H
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struct sx;
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extern int xen_store_evtchn;
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extern char *xen_store;
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int xs_init(void);
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int xb_init_comms(void);
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/* Low level routines. */
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int xb_write(const void *data, unsigned len, struct lock_object *);
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int xb_read(void *data, unsigned len, struct lock_object *);
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extern int xenbus_running;
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char *kasprintf(const char *fmt, ...);
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#endif /* _XENBUS_COMMS_H */
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