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| /freebsd-11-stable/sys/dev/pci/ | ||
| H A D | pci_user.c | diff 279448 Sat Feb 28 22:53:07 MST 2015 rstone Emulate the Device ID and Vendor ID registers for VFs The SR-IOV standard requires VFs to read all-ones when the VID and DID registers are read. The VMM (hypervisor) is required to emulate them instead. Make pci_read_config() do this emulation. Change pci_user.c to use pci_read_config() to read config space registers instead of going directly to the pcib so that the emulated VID/DID registers work correctly on VFs. This is required both for pciconf and bhyve PCI passthrough. Differential Revision: https://reviews.freebsd.org/D77 Reviewed by: jhb MFC after: 1 month Sponsored by: Sandvine Inc. |
| H A D | pci.c | diff 279448 Sat Feb 28 22:53:07 MST 2015 rstone Emulate the Device ID and Vendor ID registers for VFs The SR-IOV standard requires VFs to read all-ones when the VID and DID registers are read. The VMM (hypervisor) is required to emulate them instead. Make pci_read_config() do this emulation. Change pci_user.c to use pci_read_config() to read config space registers instead of going directly to the pcib so that the emulated VID/DID registers work correctly on VFs. This is required both for pciconf and bhyve PCI passthrough. Differential Revision: https://reviews.freebsd.org/D77 Reviewed by: jhb MFC after: 1 month Sponsored by: Sandvine Inc. |
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