1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * VMware VMCI Driver 4 * 5 * Copyright (C) 2012 VMware, Inc. All rights reserved. 6 */ 7 8 #ifndef _VMCI_HANDLE_ARRAY_H_ 9 #define _VMCI_HANDLE_ARRAY_H_ 10 11 #include <linux/vmw_vmci_defs.h> 12 #include <linux/limits.h> 13 #include <linux/types.h> 14 15 struct vmci_handle_arr { 16 u32 capacity; 17 u32 max_capacity; 18 u32 size; 19 u32 pad; 20 struct vmci_handle entries[] __counted_by(capacity); 21 }; 22 23 /* Select a default capacity that results in a 64 byte sized array */ 24 #define VMCI_HANDLE_ARRAY_DEFAULT_CAPACITY 6 25 26 struct vmci_handle_arr *vmci_handle_arr_create(u32 capacity, u32 max_capacity); 27 void vmci_handle_arr_destroy(struct vmci_handle_arr *array); 28 int vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr, 29 struct vmci_handle handle); 30 struct vmci_handle vmci_handle_arr_remove_entry(struct vmci_handle_arr *array, 31 struct vmci_handle 32 entry_handle); 33 struct vmci_handle vmci_handle_arr_remove_tail(struct vmci_handle_arr *array); 34 struct vmci_handle 35 vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, u32 index); 36 bool vmci_handle_arr_has_entry(const struct vmci_handle_arr *array, 37 struct vmci_handle entry_handle); 38 struct vmci_handle *vmci_handle_arr_get_handles(struct vmci_handle_arr *array); 39 vmci_handle_arr_get_size(const struct vmci_handle_arr * array)40static inline u32 vmci_handle_arr_get_size( 41 const struct vmci_handle_arr *array) 42 { 43 return array->size; 44 } 45 46 47 #endif /* _VMCI_HANDLE_ARRAY_H_ */ 48