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linux-next/include/linux/vbox_utils.h
Hans de Goede 02cfde67df virt: vbox: Move declarations of vboxguest private functions to private header
Move the declarations of functions from vboxguest_utils.c which are only
meant for vboxguest internal use from include/linux/vbox_utils.h to
drivers/virt/vboxguest/vboxguest_core.h.

Cc: stable@vger.kernel.org
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-23 13:41:55 +02:00

57 lines
1.6 KiB
C

/* 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, ...);
/* 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,
struct vmmdev_hgcm_service_location *loc,
u32 *client_id, int *vbox_status);
int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status);
int vbg_hgcm_call(struct vbg_dev *gdev, 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