Any suggestions ? Alan
On Thu, Jun 2, 2016 at 7:59 AM, alan hopes <[email protected]> wrote: > Hi, > > I am working on a simple graphics driver that just enumerates SRIOV > capability of PCI graphics controller. > During the init phase of the driver i.e. when the driver loads, I find > the PCI device based on my vendor ID and device ID, and then I check > if pDev->sriov and and I get the value false even though I can see the > SRIOV capability set using lspci. > > Code for checking SRIOV capability: > pdev = get device based on device ID and vendor ID. > if (pDev->sriov) > return false. > > Output of lspci correctly reporting SRIOV capability at offset 0x330. > > " > Capabilities: [330 v1] Single Root I/O Virtualization (SR-IOV) > IOVCap: Migration-, Interrupt Message Number: 000 > IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+ > IOVSta: Migration- > Initial VFs: 16, Total VFs: 16, Number of VFs: 0, > Function Dependency Link: 00 > VF offset: 256, stride: 1, Device ID: xxxx > Supported Page Size: 00000553, System Page Size: 00000001 > Region 0: Memory at 0000021ee0000000 (64-bit, prefetchable) > Region 2: Memory at 0000021ff0000000 (64-bit, prefetchable) > Region 5: Memory at 98c00000 (32-bit, non-prefetchable) > VF Migration: offset: 00000000, BIR: 0 > " > > I can see, using lspci, that card has been setup properly with SRIOV > enabled. But then why my driver is not able to see this value. I think > I am missing something, Please can you suggest what I am doing wrong > here.. > > Thanks > Alan
