2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2011 NetApp, Inc.
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8 * modification, are permitted provided that the following conditions
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34 #include <sys/linker_set.h>
40 * inout emulation handlers return 0 on success and -1 on failure.
42 typedef int (*inout_func_t)(struct vmctx *ctx, int vcpu, int in, int port,
43 int bytes, uint32_t *eax, void *arg);
53 #define IOPORT_F_IN 0x1
54 #define IOPORT_F_OUT 0x2
55 #define IOPORT_F_INOUT (IOPORT_F_IN | IOPORT_F_OUT)
58 * The following flags are used internally and must not be used by
61 #define IOPORT_F_DEFAULT 0x80000000 /* claimed by default handler */
63 #define INOUT_PORT(name, port, flags, handler) \
64 static struct inout_port __CONCAT(__inout_port, __LINE__) = { \
72 DATA_SET(inout_port_set, __CONCAT(__inout_port, __LINE__))
74 void init_inout(void);
75 int emulate_inout(struct vmctx *, int vcpu, struct vm_exit *vmexit,
77 int register_inout(struct inout_port *iop);
78 int unregister_inout(struct inout_port *iop);
79 void init_bvmcons(void);
81 #endif /* _INOUT_H_ */