| 1 | /** @file
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| 2 | *
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| 3 | * vboxadd -- VirtualBox Guest Additions for Linux
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 18 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 19 | * additional information or have any questions.
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| 20 | */
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| 21 |
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| 22 | #ifndef VBOXMOD_H
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| 23 | #define VBOXMOD_H
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| 24 |
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| 25 | #include <VBox/VBoxGuest.h>
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| 26 | #include <VBox/VBoxGuestLib.h>
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| 27 | #include <iprt/asm.h>
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| 28 |
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| 29 | typedef struct VBoxDevice VBoxDevice;
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| 30 | struct VBoxDevice
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| 31 | {
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| 32 | /** the device name */
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| 33 | char name[128];
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| 34 | /** file node minor code */
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| 35 | unsigned minor;
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| 36 | /** IRQ number */
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| 37 | unsigned irq;
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| 38 | /** first IO port */
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| 39 | unsigned short io_port;
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| 40 | /** physical address of device memory */
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| 41 | uint32_t vmmdevmem;
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| 42 | /** size of adapter memory */
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| 43 | size_t vmmdevmem_size;
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| 44 |
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| 45 | /** kernel space mapping of the adapter memory */
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| 46 | VMMDevMemory *pVMMDevMemory;
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| 47 | /** current pending events mask */
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| 48 | uint32_t u32Events;
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| 49 | /** request structure to acknowledge events in ISR */
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| 50 | VMMDevEvents *irqAckRequest;
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| 51 | /** start of the hypervisor window */
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| 52 | void *hypervisorStart;
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| 53 | /** size of the hypervisor window in bytes */
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| 54 | uint32_t hypervisorSize;
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| 55 | /** event synchronization */
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| 56 | wait_queue_head_t eventq;
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| 57 | /** number of times the guest has interrupted the event loop -
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| 58 | implemented as a counter to prevent one waiter swallowing the
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| 59 | event. */
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| 60 | uint32_t u32GuestInterruptions;
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| 61 | };
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| 62 |
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| 63 | extern int vboxadd_verbosity;
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| 64 |
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| 65 | #define wlog(...) printk (KERN_WARNING "vboxadd: " __VA_ARGS__)
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| 66 | #define ilog(...) printk (KERN_INFO "vboxadd: " __VA_ARGS__)
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| 67 | #define dlog(...) printk (KERN_DEBUG "vboxadd: " __VA_ARGS__)
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| 68 | #define elog(...) printk (KERN_ERR "vboxadd: " __VA_ARGS__)
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| 69 |
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| 70 | #define vlog(n, ...) \
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| 71 | if (n >= vboxadd_verbosity) printk (KERN_DEBUG "vboxadd: " __VA_ARGS__)
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| 72 |
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| 73 | extern int vboxadd_cmc_init (void);
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| 74 | extern void vboxadd_cmc_fini (void);
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| 75 | DECLVBGL (int) vboxadd_cmc_call (void *opaque, uint32_t func, void *data);
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| 76 |
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| 77 | /**
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| 78 | * This IOCTL wrapper allows the guest to make an HGCM call from user space. The
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| 79 | * OS-independant part of the Guest Additions already contain code for making an
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| 80 | * HGCM call from the guest, but this code assumes that the call is made from the
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| 81 | * kernel's address space. So before calling it, we have to copy all parameters
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| 82 | * to the HGCM call from user space to kernel space and reconstruct the structures
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| 83 | * passed to the call (which include pointers to other memory) inside the kernel's
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| 84 | * address space.
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| 85 | *
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| 86 | * @returns 0 on success or Linux error code on failure
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| 87 | * @param arg User space pointer to the call data structure
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| 88 | */
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| 89 | extern int vbox_ioctl_hgcm_call(unsigned long arg, VBoxDevice *vboxDev);
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| 90 |
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| 91 | #endif /* !VBOXMOD_H */
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