Network Plug-in Module Management - 4.0 English - PG348

Alveo Card Management Solution Subsystem Product Guide (PG348)
Document ID
PG348
Release Date
2024-11-13
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 UL3422 4 UL3524 4
QSFP 1 ✓ ✓ ✓ ✓ ✓      
QSFP-DD             ✓ ✓
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. Refer to Alveo UL3522 and Alveo UL3524 for QSFP reference designs.

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.