0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* SPDX-License-Identifier: (GPL-2.0 OR CDDL-1.0) */
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/* Copyright (C) 2006-2016 Oracle Corporation */
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#ifndef __VBOX_UTILS_H__
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#define __VBOX_UTILS_H__
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#include <linux/printk.h>
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#include <linux/vbox_vmmdev_types.h>
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struct vbg_dev;
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/**
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* vboxguest logging functions, these log both to the backdoor and call
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* the equivalent kernel pr_foo function.
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*/
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__printf(1, 2) void vbg_info(const char *fmt, ...);
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__printf(1, 2) void vbg_warn(const char *fmt, ...);
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__printf(1, 2) void vbg_err(const char *fmt, ...);
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__printf(1, 2) void vbg_err_ratelimited(const char *fmt, ...);
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/* Only use backdoor logging for non-dynamic debug builds */
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#if defined(DEBUG) && !defined(CONFIG_DYNAMIC_DEBUG)
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__printf(1, 2) void vbg_debug(const char *fmt, ...);
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#else
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#define vbg_debug pr_debug
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#endif
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int vbg_hgcm_connect(struct vbg_dev *gdev, u32 requestor,
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struct vmmdev_hgcm_service_location *loc,
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u32 *client_id, int *vbox_status);
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int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 requestor,
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u32 client_id, int *vbox_status);
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int vbg_hgcm_call(struct vbg_dev *gdev, u32 requestor, u32 client_id,
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u32 function, u32 timeout_ms,
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struct vmmdev_hgcm_function_parameter *parms, u32 parm_count,
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int *vbox_status);
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/**
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* Convert a VirtualBox status code to a standard Linux kernel return value.
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* Return: 0 or negative errno value.
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* @rc: VirtualBox status code to convert.
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*/
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int vbg_status_code_to_errno(int rc);
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/**
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* Helper for the vboxsf driver to get a reference to the guest device.
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* Return: a pointer to the gdev; or a ERR_PTR value on error.
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*/
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struct vbg_dev *vbg_get_gdev(void);
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/**
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* Helper for the vboxsf driver to put a guest device reference.
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* @gdev: Reference returned by vbg_get_gdev to put.
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*/
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void vbg_put_gdev(struct vbg_dev *gdev);
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#endif
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