| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2007-2008, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bfile_buffered.h $ |
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| 11 | * $brcm_Revision: 1 $ |
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| 12 | * $brcm_Date: 9/18/08 3:25p $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Block based cached file I/O |
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| 17 | * |
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| 18 | * Revision History: |
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| 19 | * |
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| 20 | * $brcm_Log: /BSEAV/lib/bfile/bfile_buffered.h $ |
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| 21 | * |
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| 22 | * 1 9/18/08 3:25p vsilyaev |
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| 23 | * PR 47105: Layered buffer cache that provides cached interface for any |
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| 24 | * file descriptor |
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| 25 | * |
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| 26 | * 2 6/14/07 12:49p vsilyaev |
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| 27 | * PR 32162: Serializes async disk I/O for bfile_buffered. Fixed unitilized |
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| 28 | * ref_cnt in bfile_buffered.c |
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| 29 | * |
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| 30 | * 1 5/16/07 9:53p vsilyaev |
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| 31 | * PR 28631: Added block based file cache/buffered |
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| 32 | * |
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| 33 | *******************************************************************************/ |
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| 34 | #ifndef _BFILE_BUFFERED_H__ |
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| 35 | #define _BFILE_BUFFERED_H__ |
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| 36 | |
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| 37 | #include "bfile_io.h" |
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| 38 | #include "bioatom.h" |
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| 39 | #include "bfile_buffer.h" |
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| 40 | |
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| 41 | #ifdef __cplusplus |
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| 42 | extern "C" |
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| 43 | { |
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| 44 | #endif |
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| 45 | |
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| 46 | typedef struct bfile_buffered *bfile_buffered_t; |
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| 47 | |
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| 48 | typedef struct bfile_buffered_cfg { |
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| 49 | unsigned nsegs; |
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| 50 | size_t buf_len; |
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| 51 | } bfile_buffered_cfg; |
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| 52 | |
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| 53 | |
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| 54 | void bfile_buffered_default_cfg(bfile_buffered_cfg *cfg); |
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| 55 | bfile_buffered_t bfile_buffered_create(batom_factory_t factory, bfile_buffered_cfg *cfg); |
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| 56 | void bfile_buffered_destroy(bfile_buffered_t file); |
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| 57 | bfile_io_read_t bfile_buffered_attach(bfile_buffered_t file, bfile_io_read_t fd); |
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| 58 | bfile_buffer_t bfile_buffered_get_buffer(bfile_buffered_t file); |
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| 59 | void bfile_buffered_detach(bfile_buffered_t file); |
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| 60 | |
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| 61 | #ifdef __cplusplus |
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| 62 | } |
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| 63 | #endif |
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| 64 | |
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| 65 | |
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| 66 | #endif /* _BFILE_BUFFERED_H__ */ |
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| 67 | |
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| 68 | |
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