Messages in this thread | | | Date | Wed, 1 Mar 2023 20:24:10 -0800 | Subject | Re: [PATCH v2 0/2] Add support to enable ATS on VFs independently | From | Sathyanarayanan Kuppuswamy <> |
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On 2/27/23 8:21 PM, Ganapatrao Kulkarni wrote: > As discussed in [1], adding a helper function to configure the STU of an > ATS capability. Function pci_ats_stu_configure() can be called to program > the STU while enumerating the PF, to support scenarios like PF is not > enabled with ATS, whereas VFs can enable it. > > In SMMU-V3 driver, calling pci_ats_stu_configure() to confgiure the STU > while enumerating a PF in passthrough mode.
It looks like you are fixing this issue only for your platform. Is there any way to generically program PF STU? May be from pci_ats_init()?
-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
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