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59 lines
1.7 KiB
59 lines
1.7 KiB
/* 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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