drivers/misc/vmw_vmci/vmci_driver.h

   1 /*
   2  * VMware VMCI Driver
   3  *
   4  * Copyright (C) 2012 VMware, Inc. All rights reserved.
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation version 2 and no later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #ifndef _VMCI_DRIVER_H_
  17 #define _VMCI_DRIVER_H_
  18
  19 #include <linux/vmw_vmci_defs.h>
  20 #include <linux/wait.h>
  21
  22 #include "vmci_queue_pair.h"
  23 #include "vmci_context.h"
  24
  25 enum vmci_obj_type {
  26         VMCIOBJ_VMX_VM = 10,
  27         VMCIOBJ_CONTEXT,
  28         VMCIOBJ_SOCKET,
  29         VMCIOBJ_NOT_SET,
  30 };
  31
  32 /* For storing VMCI structures in file handles. */
  33 struct vmci_obj {
  34         void *ptr;
  35         enum vmci_obj_type type;
  36 };
  37
  38 /*
  39  * Needed by other components of this module.  It's okay to have one global
  40  * instance of this because there can only ever be one VMCI device.  Our
  41  * virtual hardware enforces this.
  42  */
  43 extern struct pci_dev *vmci_pdev;
  44
  45 u32 vmci_get_context_id(void);
  46 int vmci_send_datagram(struct vmci_datagram *dg);
  47
  48 int vmci_host_init(void);
  49 void vmci_host_exit(void);
  50 bool vmci_host_code_active(void);
  51
  52 int vmci_guest_init(void);
  53 void vmci_guest_exit(void);
  54 bool vmci_guest_code_active(void);
  55 u32 vmci_get_vm_context_id(void);
  56
  57 #endif /* _VMCI_DRIVER_H_ */