Re: [PATCH kernel-4.19 0/3] Add ACS quirk for Zhaoxin

26 Mar 2021


      On 2021/3/25 18:09, LeoLiu-oc wrote:
...
Lots of Zhaoxin PCIe components have no ACS Capability Structure, but do
have ACS-like capability which ensures DMA isolation.
This patch makes isolated devices could be directly assigned to
different VMs through IOMMU.
LeoLiu-oc (3):
   PCI: Add Zhaoxin Vendor ID
   PCI: Add ACS quirk for Zhaoxin multi-function devices
   PCI: Add ACS quirk for Zhaoxin Root/Downstream Ports
 drivers/pci/quirks.c    | 31 +++++++++++++++++++++++++++++++
  include/linux/pci_ids.h |  2 ++
  2 files changed, 33 insertions(+)
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>