On Tue, 26 Aug 2025 at 21:56, Nabih Estefan <[email protected]> wrote: > > Create a PLX PEX PCIe Virtual Switch implementation that can be used > for modeling trays. This is a generalized version of the xio3130 switch where > we can set the PCI information on creation, allowing us to model different > trays without creating specific devices for all of them. It is used the same > way the xio3130 switch is used + the PCI Signature information. > > The idea is to minimize the difficulty of creating different trays whose > only difference is recognition by some daemon through PCI signatures. > Instead of having to create 8 different versions of xio3130 that have > the same functionality but different PCI Signatures, we create one > general version where you can declare the PCI Signature information, > while keeping the same base functionality. This is not meant to fully > replace xio3130 since that is easier to use without knowledge of the PCI > Signature, this is meant to decrease the difficulty of creating switch > trays that require certain PCI information for recognition without any > significant change from a normal PLX Virtual Switch functionality.
Could we implement this as optional config properties on the xio3130 rather than as an entirely new device ? > Changes from v1&2: Updating different formatting and API changes that > ocurred QEMU-wide since these patches were first staged in 8.1. > > Signed-off-by: Nabih Estefan <[email protected]> > Signed-off-by: Patrick Venture <[email protected]> > > Nabih Estefan (2): > hw/pci-bridge: Create Initial revision for PLX Virtual Switch > MAINTAINERS: Add entry for PLX VSwitches > > MAINTAINERS | 6 + > hw/pci-bridge/Kconfig | 5 + > hw/pci-bridge/meson.build | 1 + > hw/pci-bridge/plx_vswitch_downstream.c | 188 +++++++++++++++++++++++++ > hw/pci-bridge/plx_vswitch_upstream.c | 178 +++++++++++++++++++++++ > include/hw/pci-bridge/plx_vswitch.h | 43 ++++++ I note from the diffstat that you have provided no documentation and no tests... thanks -- PMM
