Mode Sense (10)
148 SL150 Interface Reference Manual Julyl 2017
SAS Phy Control and Discover Mode Subpage (HP Bridged)
TABLE 4-74 shows the format of the Serial Attached SCSI (SAS) Phy Control and
Discover Mode Subpage.
TABLE 4-74 SAS Phy Control and Discover Mode Subpage
Byte
Bit
76543210
0 PS (0) SPF (1) Page Code (19h)
1 Subpage Code (01h)
2 to 3 (MSB) Page Length (64h)
(LSB)
4 Reserved
5 Reserved Protocol Identifier (6h)
6 Generation Code
7 Number of Phys
SAS Phy Mode Descriptor List
8 to 55 (MSB) First SAS Phy Mode Descriptor
(LSB)
56 to 103 (MSB) Second SAS Phy Mode Descriptor
(LSB)
Serial Attached SCSI Phy Control and Discover Mode Subpage Definitions:
PS The Parameters Saveable bit is set to 0.
SPF The library returns a value of:
1 = SubPage Format bit, indicates this page uses the sub_page mode.
Page Code The value 19h identifies the page as the SAS Port Control mode page.
Sub-Page Code A value of 01h identifies the sub-page as the SAS Phy Control and Discover
Mode Subpage.
Protocol Identifier The value 06h indicates the Serial Attached SCSI (SAS) protocol.
Generation Code This field is a one-byte counter that shall be incremented by one by the device
server every time the values in this mode page are changed.
Number of Phy This field contains the number of Phy modes in the SAS target device and
indicates the number of SAS Phy mode descriptors in the SAS Phy mode
descriptor list.
SAS Phy Mode
Descriptor Data
See TABLE 4-75 for more information.