Zynq UltraScale+ Devices Register Reference > Module Summary > PCIE_ATTRIB Module > ATTR_41 (PCIE_ATTRIB) Register
Register Name | ATTR_41 |
---|---|
Relative Address | 0x00000000A4 |
Absolute Address | 0x00FD4800A4 (PCIE_ATTRIB) |
Width | 32 |
Type | rwNormal read/write |
Reset Value | 0x00000160 |
Description | ATTR_41 |
This register should only be written to during reset of the PCIe block
Field Name | Bits | Type | Reset Value | Description |
---|---|---|---|---|
attr_msi_cap_per_vector_masking_capable | 9 | rwNormal read/write | 0x0 | MSI Per-Vector Masking Capable. The value is transferred to the MSI Control Register[8]. When set, adds Mask and Pending Dword to Cap structure |
attr_msi_cap_on | 8 | rwNormal read/write | 0x1 | Indicates that the MSI structures exists. If this is FALSE, then the MSI structure cannot be accessed via either the link or the management port. |
attr_msi_cap_nextptr | 7:0 | rwNormal read/write | 0x60 | MSI Capabilitys Next Capability Offset pointer to the next item in the capabilities list, or 00h if this is the final capability. |