Report supported operation codes (a3h), Report, Supported – Dell PowerVault TL2000 User Manual

Page 81: Operation, Codes, A3h)

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REPORT

SUPPORTED

OPERATION

CODES

(A3h)

The

REPORT

SUPPORTED

OPERATION

CODES

command

requests

information

on

commands

the

addressed

logical

unit

supports.

An

application

client

may

request

a

list

of

all

operation

codes

and

service

actions

supported

by

the

media

changer.

Bit

7

6

5

4

3

2

1

0

Byte

0

Operation

Code

(A3)

1

LUN

Service

Action

(0Ch)

2

Reserved

Reporting

Options

3

Requested

Operation

Code

4

(MSB)

Requested

Service

Action

5

(LSB)

6

(MSB)

7

Allocation

Length

8

9

(LSB)

10

Reserved

11

Control

Field

descriptions:

Reporting

Options

:

The

Reporting

Options

field

specifies

the

information

to

be

returned

in

the

parameter

data.

Reporting

Option

Description

000b

A

list

of

all

operation

codes

and

service

actions

supported

by

the

logical

unit

shall

be

returned

in

the

all_commands

parameter

data

format.

The

Requested

Operation

Code

Cdb

field

and

Requested

Service

Action

Cdb

field

shall

be

ignored.

001b

The

command

support

data

for

the

operation

code

specified

in

the

Requested

Operation

Code

field

shall

be

returned

in

the

one_command

parameter

data

format.

The

Requested

Service

Action

Cdb

field

shall

be

ignored.

If

the

Requested

Operation

Code

field

specifies

an

operation

code

that

has

service

actions,

then

the

command

shall

be

terminated

with

CHECK

CONDITION

status,

with

the

sense

key

set

to

ILLEGAL

REQUEST,

and

the

additional

sense

code

set

to

INVALID

FIELD

IN

CDB.

010b

The

command

support

data

for

the

operation

code

and

service

action

specified

in

the

Requested

Operation

Code

Cdb

field

and

Requested

Service

Action

Cdb

field

shall

be

returned

in

the

one_command

parameter

data

format.

If

the

Requested

Operation

Code

Cdb

field

specifies

an

operation

code

that

does

not

have

service

actions,

then

the

command

shall

be

terminated

with

CHECK

CONDITION

status,

with

the

sense

key

set

to

ILLEGAL

REQUEST,

and

the

additional

sense

code

set

to

INVALID

FIELD

IN

CDB.

011b

Reserved

Requested

Operation

Code:

The

Requested

Operation

Code

field

specifies

the

operation

code

of

the

command

to

be

returned

in

the

one_command

parameter

data

format.

Requested

Service

Action:

The

Requested

Service

Action

field

specifies

the

service

action

of

the

command

to

be

returned

in

the

one_command

parameter

data

format.

Chapter

3.

Supported

SCSI

Commands

3-67

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