source/src/vm/scsi_hdd.h

   1 /*
   2         Skelton for retropc emulator
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2016.03.01-
   6
   7         [ SCSI hard disk drive ]
   8 */
   9
  10 #ifndef _SCSI_HDD_H_
  11 #define _SCSI_HDD_H_
  12
  13 #include "scsi_dev.h"
  14
  15 class HARDDISK;
  16 //class csp_state_utils;
  17
  18 class SCSI_HDD : public SCSI_DEV
  19 {
  20 private:
  21         HARDDISK* disk[8];
  22
  23 //protected:
  24 //      csp_state_utils *state_entry;
  25
  26 public:
  27         SCSI_HDD(VM_TEMPLATE* parent_vm, EMU* parent_emu) : SCSI_DEV(parent_vm, parent_emu)
  28         {
  29                 for(int i = 0; i < 8; i++) {
  30                         disk[i] = NULL;
  31                 }
  32                 my_sprintf_s(vendor_id, 9, "NECITSU");
  33                 my_sprintf_s(product_id, 17, "SCSI-HDD");
  34                 device_type = 0x00;
  35                 is_removable = false;
  36                 seek_time = 10000; // 10msec
  37                 bytes_per_sec = 0x500000; // 5MB/sec
  38
  39                 default_drive_size = 0x2800000; // 40MB
  40                 set_device_name(_T("SCSI HDD"));
  41         }
  42         ~SCSI_HDD() {}
  43
  44         // common functions
  45         void decl_state();
  46         void save_state(FILEIO* state_fio);
  47         bool load_state(FILEIO* state_fio);
  48
  49         // virtual scsi functions
  50         void release();
  51         bool is_device_existing();
  52         uint32_t physical_block_size();
  53         uint32_t logical_block_size();
  54         uint32_t max_logical_block_addr();
  55         void read_buffer(int length);
  56         void write_buffer(int length);
  57
  58         // unique functions
  59         void set_disk_handler(int drv, HARDDISK* device)
  60         {
  61                 if(drv < 8) {
  62                         disk[drv] = device;
  63                 }
  64         }
  65         HARDDISK* get_disk_handler(int drv)
  66         {
  67                 if(drv < 8) {
  68                         return disk[drv];
  69                 }
  70                 return NULL;
  71         }
  72         uint32_t default_drive_size;
  73 };
  74
  75 #endif
  76