DM MADs have the format shown in Table 37-1 on this page.
Dword | Byte 0 | Byte 1 | Byte 2 | Byte 3 | ||
---|---|---|---|---|---|---|
0 | Base MAD Header | Base Version = 01h | Management Class = DevMgt | Class Version = 01h | R | DM Method (see “DM Methods” on page 1120) |
1 | Status is only meaningful in response packets. See Table 27-2 on page 776. In addition, the following DM-specific status bits are defined:
| Not used | ||||
2 | Transaction ID | |||||
3 | ||||||
4 | DM AttributeID (see “DM Attributes” on page 1120) | Reserved | ||||
5 | AttributeModifier (see “DM Attributes” on page 1120). | |||||
6–15 | DM-specific fields | 40 bytes (reserved) | ||||
16–63 | 192-byte DM MAD payload.Structure and content depends upon Method,Attribute,and Attribute Modifier fields in the header. |