37 lines
862 B
C
37 lines
862 B
C
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#ifndef _MINIX_VBOXTYPE_H
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#define _MINIX_VBOXTYPE_H
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/* This header declares the type definitions shared between VBOX driver, the
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* interface in libsys, and any caller of those interface functions.
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*/
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/* Call parameter type. */
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typedef enum {
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VBOX_TYPE_INVALID, /* invalid type */
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VBOX_TYPE_U32, /* 32-bit value */
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VBOX_TYPE_U64, /* 64-bit value */
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VBOX_TYPE_PTR /* pointer to granted memory area */
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} vbox_type_t;
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/* Call parameter transfer direction. */
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#define VBOX_DIR_IN 0x01 /* from host to guest */
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#define VBOX_DIR_OUT 0x02 /* from guest to host */
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#define VBOX_DIR_INOUT (VBOX_DIR_IN | VBOX_DIR_OUT)
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/* Call parameter. */
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typedef struct {
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vbox_type_t type;
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union {
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u32_t u32;
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u64_t u64;
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struct {
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cp_grant_id_t grant;
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size_t off;
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size_t size;
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unsigned int dir;
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} ptr;
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};
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} vbox_param_t;
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#endif /*_MINIX_VBOXTYPE_H */
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