119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
/*********************************************************
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* Copyright (C) 1998 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 and no later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*********************************************************/
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#ifndef __DRIVER_H__
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#define __DRIVER_H__
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#define INCLUDE_ALLOW_VMMON
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#define INCLUDE_ALLOW_VMCORE
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#include "includeCheck.h"
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#include <linux/miscdevice.h>
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#include <linux/mutex.h>
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#include <linux/sched.h>
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#include <linux/wait.h>
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#include "vmx86.h"
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#include "compat_semaphore.h"
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#include "driver_vmcore.h"
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/*
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* Used to track a piece of memory that's been mapped into the kernel from
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* userlevel.
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*/
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typedef struct VMMappedUserMem {
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void *addr;
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size_t numPages;
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struct page *pages[0];
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} VMMappedUserMem;
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/*
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* Per-instance driver state
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*/
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struct VMDriver;
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/* 16 pages (64KB) looks as a good limit for one allocation */
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#define VMMON_MAX_LOWMEM_PAGES 16
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typedef struct VMLinux {
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struct VMLinux *next;
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struct VMDriver *vm;
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/*
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* The semaphore protect accesses to size4Gb and pages4Gb
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* in mmap(). mmap() may happen only once, and all other
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* accesses except cleanup are read-only, and may happen
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* only after successful mmap.
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*/
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struct semaphore lock4Gb;
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unsigned int size4Gb;
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struct page *pages4Gb[VMMON_MAX_LOWMEM_PAGES];
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/*
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* LinuxDriverPoll() support
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*/
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wait_queue_head_t pollQueue;
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volatile uint32 *pollTimeoutPtr;
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VMMappedUserMem *pollTimeoutHandle;
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VmTimeType pollTime;
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struct VMLinux *pollForw;
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struct VMLinux **pollBack;
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} VMLinux;
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/*
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* Static driver state.
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*/
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#define VM_DEVICE_NAME_SIZE 32
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#define LINUXLOG_BUFFER_SIZE 1024
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typedef struct VMXLinuxState {
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int major;
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int minor;
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struct miscdevice misc;
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char deviceName[VM_DEVICE_NAME_SIZE];
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char buf[LINUXLOG_BUFFER_SIZE];
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VMLinux *head;
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/*
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* for LinuxDriverPoll()
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*/
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struct timer_list pollTimer;
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wait_queue_head_t pollQueue;
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struct VMLinux *pollList;
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struct task_struct *fastClockThread;
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struct file *fastClockFile;
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unsigned fastClockRate;
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long fastClockPriority;
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uint64 swapSize;
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} VMXLinuxState;
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extern VMXLinuxState linuxState;
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extern uint8 monitorIPIVector;
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extern uint8 hvIPIVector;
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#endif
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