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kernel/linux-rt-4.4.41/drivers/misc/vmw_vmci/vmci_driver.h 1.44 KB
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  /*
   * VMware VMCI Driver
   *
   * Copyright (C) 2012 VMware, Inc. All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation version 2 and no later version.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * for more details.
   */
  
  #ifndef _VMCI_DRIVER_H_
  #define _VMCI_DRIVER_H_
  
  #include <linux/vmw_vmci_defs.h>
  #include <linux/wait.h>
  
  #include "vmci_queue_pair.h"
  #include "vmci_context.h"
  
  enum vmci_obj_type {
  	VMCIOBJ_VMX_VM = 10,
  	VMCIOBJ_CONTEXT,
  	VMCIOBJ_SOCKET,
  	VMCIOBJ_NOT_SET,
  };
  
  /* For storing VMCI structures in file handles. */
  struct vmci_obj {
  	void *ptr;
  	enum vmci_obj_type type;
  };
  
  /*
   * Needed by other components of this module.  It's okay to have one global
   * instance of this because there can only ever be one VMCI device.  Our
   * virtual hardware enforces this.
   */
  extern struct pci_dev *vmci_pdev;
  
  u32 vmci_get_context_id(void);
  int vmci_send_datagram(struct vmci_datagram *dg);
  
  int vmci_host_init(void);
  void vmci_host_exit(void);
  bool vmci_host_code_active(void);
  
  int vmci_guest_init(void);
  void vmci_guest_exit(void);
  bool vmci_guest_code_active(void);
  u32 vmci_get_vm_context_id(void);
  
  #endif /* _VMCI_DRIVER_H_ */