dingusppc/devices/common/scsi/scsihd.h

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/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-24 divingkatae and maximum
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(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/** @file SCSI hard drive definitions. */
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#ifndef SCSI_HD_H
#define SCSI_HD_H
#include <devices/common/scsi/scsi.h>
#include <utils/imgfile.h>
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#include <cinttypes>
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#include <memory>
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#include <string>
class ScsiHardDisk : public ScsiDevice {
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public:
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ScsiHardDisk(std::string name, int my_id);
~ScsiHardDisk() = default;
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void insert_image(std::string filename);
void process_command();
bool prepare_data();
bool get_more_data() { return false; };
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protected:
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int test_unit_ready();
int req_sense(uint16_t alloc_len);
int send_diagnostic();
void mode_select_6(uint8_t param_len);
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void mode_sense_6();
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void format();
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void inquiry();
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void read_capacity_10();
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void read(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
void write(uint32_t lba, uint16_t transfer_len, uint8_t cmd_len);
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void seek(uint32_t lba);
void rewind();
void read_buffer();
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private:
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ImgFile disk_img;
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uint64_t img_size;
int total_blocks;
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uint64_t file_offset = 0;
static const int sector_size = 512;
bool eject_allowed = true;
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int bytes_out = 0;
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uint8_t data_buf[1 << 21]; // TODO: add proper buffer management!
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uint8_t error = ScsiError::NO_ERROR;
uint8_t msg_code = 0;
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//inquiry info
char vendor_info[8] = {'D', 'i', 'n', 'g', 'u', 's', 'D', '\0'};
char prod_info[16] = {'E', 'm', 'u', 'l', 'a', 't', 'e', 'd', ' ', 'D', 'i', 's', 'k', '\0'};
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char rev_info[4] = {'d', 'i', '0', '1'};
};
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#endif // SCSI_HD_H