Implement support for 750MB ATAPI Zip drive

[aperezbios]

750MB disks have a capacity of 751,921,152 bytes, or, 1,468,596 sectors

$ lsscsi
[3:0:0:0]    disk    ATA      Lexar SSD NQ100  035   /dev/sda
[4:0:0:0]    disk    IOMEGA   ZIP 750          78.a  /dev/sdb


$ sudo sg_inq -v /dev/sg1
    inquiry cdb: [12 00 00 00 24 00]
    inquiry cdb: [12 00 00 00 7a 00]
    inquiry cdb: [12 01 00 00 fc 00]
inquiry:
Fixed format, current; Sense key: Illegal Request
Additional sense: Invalid field in cdb
standard INQUIRY:
  PQual=0  Device_type=0  RMB=1  LU_CONG=0  version=0x05  [SPC-3]
  [AERC=0]  [TrmTsk=0]  NormACA=1  HiSUP=1  Resp_data_format=2
  SCCS=0  ACC=0  TPGS=0  3PC=0  Protect=0  [BQue=0]
  EncServ=0  MultiP=0  [MChngr=0]  [ACKREQQ=0]  Addr16=0
  [RelAdr=0]  WBus16=0  Sync=0  [Linked=0]  [TranDis=0]  CmdQue=0
  [SPI: Clocking=0x0  QAS=0  IUS=0]
    length=122 (0x7a)   Peripheral device type: disk
 Vendor identification: IOMEGA
 Product identification: ZIP 750
 Product revision level: 78.a

$ sudo sg_inq -vH /dev/sg1
    inquiry cdb: [12 00 00 00 24 00]
    inquiry cdb: [12 00 00 00 7a 00]
    inquiry cdb: [12 01 00 00 fc 00]
inquiry:
Fixed format, current; Sense key: Illegal Request
Additional sense: Invalid field in cdb
 00     00 80 05 32 75 00 00 00  49 4f 4d 45 47 41 20 20    ...2u...IOMEGA
 10     5a 49 50 20 37 35 30 20  20 20 20 20 20 20 20 20    ZIP 750
 20     37 38 2e 61 30 38 2f 32  37 2f 30 32 00 00 00 00    78.a08/27/02....
 30     00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00    ................
 40     00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00    ................
 50     00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00    ................
 60     28 63 29 20 43 6f 70 79  72 69 67 68 74 20 49 4f    (c) Copyright IO
 70     4d 45 47 41 20 32 30 30  32 20                      MEGA 2002

$ sudo sg_get_config -v /dev/sg1
    inquiry cdb: [12 00 00 00 24 00]
  IOMEGA    ZIP 750           78.a
  Peripheral device type: disk
    get configuration cdb: 46 00 00 00 00 00 00 20 00 00
get configuration:
Fixed format, current; Sense key: Illegal Request
Additional sense: Invalid command operation code
Get Configuration command: Illegal request, Invalid opcode, type: sense key + asc,ascq
aperez@dimension:~$ sudo sg_get_config -vi /dev/sg1
    inquiry cdb: [12 00 00 00 24 00]
  IOMEGA    ZIP 750           78.a
  Peripheral device type: disk
    get configuration cdb: 46 00 00 00 00 00 00 20 00 00
get configuration:
Fixed format, current; Sense key: Illegal Request
Additional sense: Invalid command operation code
Get Configuration command: Illegal request, Invalid opcode, type: sense key + asc,ascq
aperez@dimension:~$ sudo sg_opcodes /dev/sg1
  IOMEGA    ZIP 750           78.a
  Peripheral device type: disk
Report supported operation codes: Illegal request, Invalid opcode
aperez@dimension:~$ sudo sg_readcap /dev/sg1
Read Capacity results:
   Last LBA=0 (0x0), Number of logical blocks=1
   Logical block length=0 bytes
Hence:
   Device size: 0 bytes, 0.0 MiB, 0.00 GB

imension:~$ sudo sg_readcap /dev/sg1
read capacity(10):
Fixed format, current; Sense key: Unit Attention
Additional sense: Not ready to ready change, medium may have changed
READ CAPACITY (10) failed: Unit attention
sg_readcap failed: Unit attention
aperez@dimension:~$ sudo sg_readcap /dev/sg1
Read Capacity results:
   Last LBA=0 (0x0), Number of logical blocks=1
   Logical block length=0 bytes
Hence:
   Device size: 0 bytes, 0.0 MiB, 0.00 GB

$ sudo sg_modes -av /dev/sg1
    inquiry cdb: [12 00 00 00 24 00]
    IOMEGA    ZIP 750           78.a   peripheral_type: disk [0x0]
    mode sense(10) cdb: [5a 00 3f 00 00 00 00 10 00 00]
Mode parameter header from MODE SENSE(10):
  Mode data length=66, medium type=0x00, WP=0, DpoFua=1, longlba=0
  Block descriptor length=0
>> Read-Write error recovery, page_control: current
 00     01 06 c8 64 00 00 00 00
>> Flexible disk (obsolete), page_control: current
 00     05 1e 80 00 40 20 02 00  02 ce 00 00 00 00 00 00
 10     00 00 00 00 00 00 00 00  00 00 00 00 0e 5c 00 00
>> Caching, page_control: current
 00     08 0a 04 00 ff ff 00 00  ff ff ff ff
>> page_code: 0x2f, page_control: current
 00     2f 04 5c 01 0f 0f

$ sudo sg_vpd -av /dev/sg1
>>> struct opts_t differs in size from sg_vpd.c [52 != 56]
    inquiry cdb: [12 01 00 00 fc 00]
inquiry:
Fixed format, current; Sense key: Illegal Request
Additional sense: Invalid field in cdb
svpd_decode_all: fetching VPD page 0 failed: Illegal request, type: sense key, apart from Invalid opcode