Network Plug-in Module Management - 4.0 English

Alveo Card Management Solution Subsystem Product Guide (PG348)
Document ID
PG348
Release Date
2024-05-30
Version
4.0 English

The CMS IP supports management of network plug-in modules via the mailbox, as specified in the following table.

Table 1. CMS IP Network Plug-in Module Support Per Card
Network Plug-in Module Type U200/U250 U280 U50 U55 U45N X3 UL3524 4
QSFP 1 ✓ ✓ ✓ ✓ ✓    
DSFP 2           ✓  
SFP+ 3       ✓  
  1. QSFP - Modules tested support SFF-8636 revision compliance 2.5+
  2. DSFP - Modules tested support CMIS revision compliance 4.0+
  3. SFP+ - Modules tested support SFF-8472 revision compliance 10.2+
  4. When using these cards, CMS IP is not needed for Network communication.

The mailbox interface supports the following network plug-in module management features:

  • I2C access for diagnostics and control
  • Low speed I/O status and control

The messages required to perform these functions are defined in the following table.

Table 2. Message Header Opcodes
Opcode Name Description
0x0D CMS_OP_READ_MODULE_LOW_SPEED_IO Host request to read network plug-in module low speed I/O.
0x0E CMS_OP_WRITE_MODULE_LOW_SPEED_IO Host request to write network plug-in module low speed I/O.
0x0B CMS_OP_BLOCK_READ_MODULE_I2C Host request to block read network plug-in module I2C information.
0x0F CMS_OP_BYTE_READ_MODULE_I2C Host request to byte read network plug-in module I2C information.
0x10 CMS_OP_BYTE_WRITE_MODULE_I2C Host request to byte write network plug-in module I2C information.