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kernel/linux-rt-4.4.41/drivers/misc/vmw_vmci/vmci_handle_array.h 1.69 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_HANDLE_ARRAY_H_
  #define _VMCI_HANDLE_ARRAY_H_
  
  #include <linux/vmw_vmci_defs.h>
  #include <linux/types.h>
  
  #define VMCI_HANDLE_ARRAY_DEFAULT_SIZE 4
  #define VMCI_ARR_CAP_MULT 2	/* Array capacity multiplier */
  
  struct vmci_handle_arr {
  	size_t capacity;
  	size_t size;
  	struct vmci_handle entries[];
  };
  
  struct vmci_handle_arr *vmci_handle_arr_create(size_t capacity);
  void vmci_handle_arr_destroy(struct vmci_handle_arr *array);
  void vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr,
  				  struct vmci_handle handle);
  struct vmci_handle vmci_handle_arr_remove_entry(struct vmci_handle_arr *array,
  						struct vmci_handle
  						entry_handle);
  struct vmci_handle vmci_handle_arr_remove_tail(struct vmci_handle_arr *array);
  struct vmci_handle
  vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, size_t index);
  bool vmci_handle_arr_has_entry(const struct vmci_handle_arr *array,
  			       struct vmci_handle entry_handle);
  struct vmci_handle *vmci_handle_arr_get_handles(struct vmci_handle_arr *array);
  
  static inline size_t vmci_handle_arr_get_size(
  	const struct vmci_handle_arr *array)
  {
  	return array->size;
  }
  
  
  #endif /* _VMCI_HANDLE_ARRAY_H_ */