Hitachi HTS543280L9SA00 manual 14.16Read FPDMA Queued 60h, Read FPDMA Queued Command 60h

Models: HTS543225L9A300 HTS543232L9A300 HTS543216L9A300 HTS543216L9SA00 HTS543212L9A300 HTS543280L9SA00

1 177
Download 177 pages 46.29 Kb
Page 109
Image 109
14.16Read FPDMA Queued (60h)

5K320 SATA OEM Specification

14.16Read FPDMA Queued (60h)

Command Block Output Registers

 

 

 

 

 

 

Command Block Input Registers

 

 

 

 

 

Register

 

 

7

6

5

4

3

2

1

0

Register

 

7

6

5

4

3

2

1

0

Data Low

 

 

-

-

-

-

-

-

-

-

Data Low

 

-

-

-

-

-

-

-

-

Data High

 

 

-

-

-

-

-

-

-

-

Data High

 

-

-

-

-

-

-

-

-

Feature

 

Current

V

V

V

V

V

V

V

V

Error

 

 

 

 

...See Below...

 

 

 

 

Previous

V

V

V

V

V

V

V

V

 

 

 

 

 

 

 

 

 

 

 

Sector Count

Current

T

T

T

T

T

-

-

-

Sector Count

HOB=0 - - - -

-

-

-

-

 

 

Previous

P

-

-

-

-

-

-

-

 

 

HOB=1 - - - -

-

-

-

-

LBA Low

Current

V

V

V

V

V

V

V

V

LBA Low

HOB=0 V V V V V V V V

 

 

Previous

V

V

V

V

V

V

V

V

 

 

HOB=1 V V V V V V V V

LBA Mid

Current

V

V

V

V

V

V

V

V

LBA Mid

HOB=0 V V V V V V V V

 

 

Previous

V

V

V

V

V

V

V

V

 

 

HOB=1 V V V V V V V V

LBA High

Current

V

V

V

V

V

V

V

V

LBA High

HOB=0 V V V V V V V V

 

 

Previous

V

V

V

V

V

V

V

V

 

 

HOB=1 V

V

V

V

V

V

V

V

Device

 

 

 

F

1

-

-

-

-

-

-

Device

 

-

-

-

-

-

-

-

-

Command

 

 

0

1

1

0

0

0

0

0

Status

 

 

 

...See Below...

 

 

 

 

 

Error Register

 

 

 

 

 

 

 

 

 

Status Register

 

 

 

 

 

7

6

5

4

3

 

2

 

1

 

0

 

7

6

5

4

3

 

2

 

1

 

0

CRC

UNC

0

IDN

0

ABT

T0N

AMN

 

BSY

RDY

DF

DSC DRQ

COR

IDX

ERR

V

V

0

V

0

 

V

 

0

 

0

 

0

V

0

V

-

 

0

 

0

 

V

Table 71 Read FPDMA Queued Command (60h)

The Read FPDMA Queued command reads one or more sectors of data from disk media, then transfers the data from the device to the host.

If an uncorrectable error occurs, the read will be terminated at the failing sector.

Output Parameters To The Device

Feature Current

The number of sectors to be transferred low order, bits (7:0)

Feature Previous

The number of sectors to be transferred high order, bits (15:8)

T

TAG value.

It shall be assigned to be different from all other queued commands.

 

The value shall not exceed the maximum queue depth specified by the Word 75 of the

LBA Low Current

Identify Device information.

LBA (7:0)

 

LBA Low Previous

LBA (31:24)

 

LBA Mid Current

LBA (15:8)

 

LBA Mid Previous

LBA (39:32)

 

LBA High Current

LBA (23:16)

 

LBA High Previous

LBA (47:40)

 

F

FUA bit. When the FUA bit is set to 1, the requested data is always retrieved from

 

the media regardless of whether the data are held in the sector buffer or not. When

 

the FUA bit is set to 0, the data may be retrieved from the media or from the cached

P

data left by previously processed Read or Write commands.

Priority bit.

When the Priority bit is set to 1, the device attempts to provide better

 

quality of service for the command than normal priority commands.

Input Parameters From The Device

 

LBA Low (HOB=0)

LBA (7:0) of the address of the first unrecoverable error.

LBA Low (HOB=1)

LBA (31:24)of the address of the first unrecoverable error.

LBA Mid (HOB=0)

LBA (15:8)of the address of the first unrecoverable error.

LBA Mid (HOB=1)

LBA (39:32)of the address of the first unrecoverable error.

LBA High (HOB=0)

LBA (23:16)of the address of the first unrecoverable error.

LBA High (HOB=1)

LBA (47:40)of the address of the first unrecoverable error.

109

Page 109
Image 109
Hitachi HTS543280L9SA00, HTS543232L9A300, HTS543225L9A300 manual 14.16Read FPDMA Queued 60h, Read FPDMA Queued Command 60h