1*9da7a653SHaojian Zhuang /* 2*9da7a653SHaojian Zhuang * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 3*9da7a653SHaojian Zhuang * 4*9da7a653SHaojian Zhuang * Redistribution and use in source and binary forms, with or without 5*9da7a653SHaojian Zhuang * modification, are permitted provided that the following conditions are met: 6*9da7a653SHaojian Zhuang * 7*9da7a653SHaojian Zhuang * Redistributions of source code must retain the above copyright notice, this 8*9da7a653SHaojian Zhuang * list of conditions and the following disclaimer. 9*9da7a653SHaojian Zhuang * 10*9da7a653SHaojian Zhuang * Redistributions in binary form must reproduce the above copyright notice, 11*9da7a653SHaojian Zhuang * this list of conditions and the following disclaimer in the documentation 12*9da7a653SHaojian Zhuang * and/or other materials provided with the distribution. 13*9da7a653SHaojian Zhuang * 14*9da7a653SHaojian Zhuang * Neither the name of ARM nor the names of its contributors may be used 15*9da7a653SHaojian Zhuang * to endorse or promote products derived from this software without specific 16*9da7a653SHaojian Zhuang * prior written permission. 17*9da7a653SHaojian Zhuang * 18*9da7a653SHaojian Zhuang * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19*9da7a653SHaojian Zhuang * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*9da7a653SHaojian Zhuang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*9da7a653SHaojian Zhuang * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22*9da7a653SHaojian Zhuang * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23*9da7a653SHaojian Zhuang * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24*9da7a653SHaojian Zhuang * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25*9da7a653SHaojian Zhuang * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26*9da7a653SHaojian Zhuang * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27*9da7a653SHaojian Zhuang * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28*9da7a653SHaojian Zhuang * POSSIBILITY OF SUCH DAMAGE. 29*9da7a653SHaojian Zhuang */ 30*9da7a653SHaojian Zhuang 31*9da7a653SHaojian Zhuang #ifndef __IO_BLOCK_H__ 32*9da7a653SHaojian Zhuang #define __IO_BLOCK_H__ 33*9da7a653SHaojian Zhuang 34*9da7a653SHaojian Zhuang #include <io_storage.h> 35*9da7a653SHaojian Zhuang 36*9da7a653SHaojian Zhuang /* block devices ops */ 37*9da7a653SHaojian Zhuang typedef struct io_block_ops { 38*9da7a653SHaojian Zhuang size_t (*read)(int lba, uintptr_t buf, size_t size); 39*9da7a653SHaojian Zhuang size_t (*write)(int lba, const uintptr_t buf, size_t size); 40*9da7a653SHaojian Zhuang } io_block_ops_t; 41*9da7a653SHaojian Zhuang 42*9da7a653SHaojian Zhuang typedef struct io_block_dev_spec { 43*9da7a653SHaojian Zhuang io_block_spec_t buffer; 44*9da7a653SHaojian Zhuang io_block_ops_t ops; 45*9da7a653SHaojian Zhuang size_t block_size; 46*9da7a653SHaojian Zhuang } io_block_dev_spec_t; 47*9da7a653SHaojian Zhuang 48*9da7a653SHaojian Zhuang struct io_dev_connector; 49*9da7a653SHaojian Zhuang 50*9da7a653SHaojian Zhuang int register_io_dev_block(const struct io_dev_connector **dev_con); 51*9da7a653SHaojian Zhuang 52*9da7a653SHaojian Zhuang #endif /* __IO_BLOCK_H__ */ 53