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| author |   Jeremy Fitzhardinge <jeremy@xensource.com> | 2007-07-17 18:37:04 -0700 |
|---|---|---|
| committer |   Jeremy Fitzhardinge <jeremy@goop.org> | 2007-07-18 08:47:42 -0700 |
| commit | a42089dd358a7673a0a23126589a9029e57c2049 (patch) | |
| tree | aa076610832f5cdb0ee209c42ea7e40d54534ef4 /include/xen/interface/io/console.h | |
| parent | Add nosegneg capability to the vsyscall page notes (diff) | |
| download | linux-dev-a42089dd358a7673a0a23126589a9029e57c2049.tar.xz linux-dev-a42089dd358a7673a0a23126589a9029e57c2049.zip | |
xen: Add Xen interface header files
Add Xen interface header files. These are taken fairly directly from
the Xen tree, but somewhat rearranged to suit the kernel's conventions.
Define macros and inline functions for doing hypercalls into the
hypervisor.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'include/xen/interface/io/console.h')
| -rw-r--r-- | include/xen/interface/io/console.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/xen/interface/io/console.h b/include/xen/interface/io/console.h new file mode 100644 index 000000000000..e563de70f784 --- /dev/null +++ b/include/xen/interface/io/console.h @@ -0,0 +1,23 @@ +/****************************************************************************** + * console.h + * + * Console I/O interface for Xen guest OSes. + * + * Copyright (c) 2005, Keir Fraser + */ + +#ifndef __XEN_PUBLIC_IO_CONSOLE_H__ +#define __XEN_PUBLIC_IO_CONSOLE_H__ + +typedef uint32_t XENCONS_RING_IDX; + +#define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1)) + +struct xencons_interface { + char in[1024]; + char out[2048]; + XENCONS_RING_IDX in_cons, in_prod; + XENCONS_RING_IDX out_cons, out_prod; +}; + +#endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */ |