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b484b26cc7
VMCI handle code adds support for dynamic arrays that will grow if they need to. Signed-off-by: George Zhang <georgezhang@vmware.com> Acked-by: Andy king <acking@vmware.com> Acked-by: Dmitry Torokhov <dtor@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* VMware VMCI Driver
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*
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* Copyright (C) 2012 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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#ifndef _VMCI_HANDLE_ARRAY_H_
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#define _VMCI_HANDLE_ARRAY_H_
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#include <linux/vmw_vmci_defs.h>
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#include <linux/types.h>
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#define VMCI_HANDLE_ARRAY_DEFAULT_SIZE 4
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#define VMCI_ARR_CAP_MULT 2 /* Array capacity multiplier */
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struct vmci_handle_arr {
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size_t capacity;
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size_t size;
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struct vmci_handle entries[];
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};
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struct vmci_handle_arr *vmci_handle_arr_create(size_t capacity);
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void vmci_handle_arr_destroy(struct vmci_handle_arr *array);
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void vmci_handle_arr_append_entry(struct vmci_handle_arr **array_ptr,
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struct vmci_handle handle);
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struct vmci_handle vmci_handle_arr_remove_entry(struct vmci_handle_arr *array,
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struct vmci_handle
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entry_handle);
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struct vmci_handle vmci_handle_arr_remove_tail(struct vmci_handle_arr *array);
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struct vmci_handle
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vmci_handle_arr_get_entry(const struct vmci_handle_arr *array, size_t index);
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bool vmci_handle_arr_has_entry(const struct vmci_handle_arr *array,
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struct vmci_handle entry_handle);
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struct vmci_handle *vmci_handle_arr_get_handles(struct vmci_handle_arr *array);
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static inline size_t vmci_handle_arr_get_size(
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const struct vmci_handle_arr *array)
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{
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return array->size;
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}
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#endif /* _VMCI_HANDLE_ARRAY_H_ */
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