1 /* 2 * A memory card region accessor. 3 * 4 * Copyright (C) 2021, 2024 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #pragma once 23 24 #include <stdio.h> 25 26 #include <fsserver/accessor.h> 27 28 #include "msc_region_operations.h" 29 30 31 32 /* A memory card region accessor, providing flexpages corresponding to the 33 regions within an exposed memory card region or partition. */ 34 35 class MscRegionAccessor : public Accessor 36 { 37 protected: 38 MscRegionOperations *_ops; 39 uint32_t _start; 40 offset_t _size; 41 42 /* Data transfer helper methods. */ 43 44 virtual void fill_populated(Flexpage *flexpage); 45 46 virtual void flush_populated(Flexpage *flexpage); 47 48 public: 49 explicit MscRegionAccessor(MscRegionOperations *ops, uint32_t start_block, 50 uint32_t num_blocks, fileid_t fileid); 51 52 virtual offset_t get_size(); 53 54 virtual void set_size(offset_t size); 55 }; 56 57 // vim: tabstop=4 expandtab shiftwidth=4