pin On Mon, May 16, 2022 at 9:54 PM Wang,Liang(ACG CCN01) <wanglian...@baidu.com> wrote:
> When vfio-pci devices are attached to the downstream, pcie acs > > capability may be needed, Consistent with physical machine. > > > It has been tested in our environment, and pcie acs capability > > is required in some scenarios. > > > Signed-off-by: wangliang <wanglian...@baidu.com> > > --- > > hw/pci-bridge/xio3130_downstream.c | 4 ++++ > > 1 file changed, 4 insertions(+) > > > diff --git a/hw/pci-bridge/xio3130_downstream.c > b/hw/pci-bridge/xio3130_downstream.c > > index 05e2b06c0c..6ab13b47e2 100644 > > --- a/hw/pci-bridge/xio3130_downstream.c > > +++ b/hw/pci-bridge/xio3130_downstream.c > > @@ -40,6 +40,8 @@ > > #define XIO3130_SSVID_SSID 0 > > #define XIO3130_EXP_OFFSET 0x90 > > #define XIO3130_AER_OFFSET 0x100 > > +#define XIO3130_ACS_OFFSET \ > > + (XIO3130_AER_OFFSET + PCI_ERR_SIZEOF) > > > static void xio3130_downstream_write_config(PCIDevice *d, uint32_t > address, > > uint32_t val, int len) > > @@ -111,6 +113,8 @@ static void xio3130_downstream_realize(PCIDevice *d, > Error **errp) > > goto err; > > } > > > + > > + pcie_acs_init(d, XIO3130_ACS_OFFSET); > > return; > > > err: > > -- > > 2.24.3 (Apple Git-128) > >
