mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 03:58:02 +07:00
5bc117a27f
Every now and then upstream adds new ioctls without notifying us, log unknown ioctl requests as an error to catch these. Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20200709120858.63928-8-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
60 lines
1.7 KiB
C
60 lines
1.7 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, ...);
|
|
__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
|