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편집 파일: vbox_utils.h

/* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */ /* Copyright (C) 2006-2016 Oracle Corporation */ #ifndef __VBOX_UTILS_H__ #define __VBOX_UTILS_H__ #include <linux/printk.h> #include <linux/vbox_vmmdev_types.h> struct vbg_dev; /** * vboxguest logging functions, these log both to the backdoor and call * the equivalent kernel pr_foo function. */ __printf(1, 2) void vbg_info(const char *fmt, ...); __printf(1, 2) void vbg_warn(const char *fmt, ...); __printf(1, 2) void vbg_err(const char *fmt, ...); __printf(1, 2) void vbg_err_ratelimited(const char *fmt, ...); /* Only use backdoor logging for non-dynamic debug builds */ #if defined(DEBUG) && !defined(CONFIG_DYNAMIC_DEBUG) __printf(1, 2) void vbg_debug(const char *fmt, ...); #else #define vbg_debug pr_debug #endif int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status); int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor, u32 client_id, int *vbox_status); int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id, u32 function, u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, int *vbox_status); /** * Convert a VirtualBox status code to a standard Linux kernel return value. * Return: 0 or negative errno value. * @rc: VirtualBox status code to convert. */ int vbg_status_code_to_errno(int rc); /** * Helper for the vboxsf driver to get a reference to the guest device. * Return: a pointer to the gdev; or a ERR_PTR value on error. */ struct vbg_dev *vbg_get_gdev(void); /** * Helper for the vboxsf driver to put a guest device reference. * @gdev: Reference returned by vbg_get_gdev to put. */ void vbg_put_gdev(struct vbg_dev *gdev); #endif