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Table 3-3, Basic ccb structure – HP Integrity NonStop H-Series User Manual

Page 28

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Interfacing With the Open SCSI I/O Process (IOP)

Open SCSI for Fibre Channel Controller Integrator’s Manual for HP Integrity NonStop NS-Series Servers—

3- 12

The CAM Control Block (CCB)

Basic CCB Structure

Table 3-3

shows the basic CCB structure, which is used for these CAM operations:

•

No Operation

•

Release SIM Queue

•

Reset SCSI Device

•

Set I/O Characteristics

See also

Table 3-1

on page 3-9.

Table 3-3. Basic CCB Structure

Size of Field
(in bytes)

Description

Supported by
Open SCSI IOP?

4

Address of this CCB: the 32-bit address of this
field

Yes

2

CCB length: length in bytes of this CCB structure;
must be 16 for basic CCB

Yes

1

CAM operation code (See

Table 3-1

on page 3-9.)

Yes

1

CAM status (See

Table 3-8

on page 3-20.)

Yes

Connect ID, which consists of these fields:

1

(Reserved)

-

1

Path ID

No

1

Target ID

No

1

LUN

No

4

CAM flags (See

Table 3-2

on page 3-10.)

Yes

See also other documents in the category HP Computer hardware: