The PCIe Miscellaneous tab options for the AXI Bridge subsystem are shown in the following figure.
Figure 1. PCIe Miscellaneous Tab
The options are defined as follows:
- Legacy Interrupt Settings
- Select one of the Legacy Interrupts: INTA, INTB, INTC, or INTD.
- MSI-X Capabilities
- MSI-X is enabled by default.
- MSI-X Table Settings
- Defines the MSI-X Table Structure.
- Table Size
- Specifies the MSI-X Table size. The default is 8 (8 interrupt vectors per function). Adding more vectors to a function is possible; contact Xilinx for support.
- Table Offset
- Specifies the offset from the Base address Register (BAR) in DMA configuration space used to map function in MSI-X Table onto memory space. MSI-X table space is fixed at offset 0x30000.
- Access Control Server (ACS) Enable
- ACS is selected by default.
- Link Status Register
- By default, Enable Slot Clock Configuration is selected. This means that the slot configuration bit is enabled in the link status register.