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Diffstat (limited to 'usr.sbin/bhyve/inout.h')
-rw-r--r-- | usr.sbin/bhyve/inout.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/usr.sbin/bhyve/inout.h b/usr.sbin/bhyve/inout.h new file mode 100644 index 0000000..7b8a4a6 --- /dev/null +++ b/usr.sbin/bhyve/inout.h @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 2011 NetApp, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _INOUT_H_ +#define _INOUT_H_ + +#include <sys/linker_set.h> + +struct vmctx; + +typedef int (*inout_func_t)(struct vmctx *ctx, int vcpu, int in, int port, + int bytes, uint32_t *eax, void *arg); + +struct inout_port { + const char *name; + int port; + int flags; + inout_func_t handler; + void *arg; +}; +#define IOPORT_F_IN 0x1 +#define IOPORT_F_OUT 0x2 +#define IOPORT_F_INOUT 0x3 + +#define INOUT_PORT(name, port, flags, handler) \ + static struct inout_port __CONCAT(__inout_port, __LINE__) = { \ + #name, \ + (port), \ + (flags), \ + (handler) \ + }; \ + DATA_SET(inout_port_set, __CONCAT(__inout_port, __LINE__)) + +void init_inout(void); +int emulate_inout(struct vmctx *, int vcpu, int in, int port, int bytes, + uint32_t *eax); +int register_inout(struct inout_port *iop); + +#endif /* _INOUT_H_ */ |