Never mind, found the answers in kvm_set_user_memory :)
On Fri, Oct 15, 2021 at 9:36 PM Ajay Garg wrote:
>
> Hello everyone.
>
> I have a x86_64 L1 guest, running on a x86_64 host, with a
> host-pci-device attached to the guest.
> The host runs with IOMMU enabled, and passthrough enabled.
>
> Fol
On Mon, 2021-10-11 at 14:36 +0200, Dafna Hirschfeld wrote:
>
> On 29.09.21 03:37, Yong Wu wrote:
> > MediaTek IOMMU-SMI diagram is like below. all the consumer connect
> > with
> > smi-larb, then connect with smi-common.
> >
> > M4U
> > |
> > smi-common
> > |
> >
Hello everyone.
I have a x86_64 L1 guest, running on a x86_64 host, with a
host-pci-device attached to the guest.
The host runs with IOMMU enabled, and passthrough enabled.
Following are the addresses of the bar0-region of the pci-device, as
per the output of lspci -v :
* On host (hpa) => e2c200
Il 15/10/21 15:43, Krzysztof Kozlowski ha scritto:
On 15/10/2021 15:38, AngeloGioacchino Del Regno wrote:
Use clk_bulk interface instead of the orginal one to simplify the code.
For SMI larbs: Require apb/smi clocks while gals is optional.
For SMI common: Require apb/smi/gals0/gal1 in has_gals
Use clk_bulk interface instead of the orginal one to simplify the code.
For SMI larbs: Require apb/smi clocks while gals is optional.
For SMI common: Require apb/smi/gals0/gal1 in has_gals case. Otherwise,
also only require apb/smi, No optional clk here.
About the "has_gals" fla
On 15/10/2021 15:38, AngeloGioacchino Del Regno wrote:
>> Use clk_bulk interface instead of the orginal one to simplify the code.
>>
>> For SMI larbs: Require apb/smi clocks while gals is optional.
>> For SMI common: Require apb/smi/gals0/gal1 in has_gals case. Otherwise,
>> also o
> From: Jason Gunthorpe
> Sent: Friday, October 15, 2021 7:18 PM
>
> On Fri, Oct 15, 2021 at 09:18:06AM +, Liu, Yi L wrote:
>
> > > Acquire from the xarray is
> > >rcu_lock()
> > >ioas = xa_load()
> > >if (ioas)
> > > if (down_read_trylock(&ioas->destroying_lock))
> >
> >
On Fri, Oct 15, 2021 at 09:18:06AM +, Liu, Yi L wrote:
> > Acquire from the xarray is
> >rcu_lock()
> >ioas = xa_load()
> >if (ioas)
> > if (down_read_trylock(&ioas->destroying_lock))
>
> all good suggestions, will refine accordingly. Here destroying_lock is a
> rw_semapho
On Fri, Oct 15, 2021 at 01:29:16AM +, Tian, Kevin wrote:
> Hi, Jason,
>
> > From: Jason Gunthorpe
> > Sent: Wednesday, September 29, 2021 8:59 PM
> >
> > On Wed, Sep 29, 2021 at 12:38:35AM +, Tian, Kevin wrote:
> >
> > > /* If set the driver must call iommu_XX as the first action in pro
> From: Jason Gunthorpe
> Sent: Wednesday, September 22, 2021 1:15 AM
>
> On Sun, Sep 19, 2021 at 02:38:35PM +0800, Liu Yi L wrote:
>
> > +/*
> > + * A iommufd_device object represents the binding relationship
> > + * between iommufd and device. It is created per a successful
> > + * binding req
> From: Jason Gunthorpe
> Sent: Tuesday, September 21, 2021 11:42 PM
>
> On Sun, Sep 19, 2021 at 02:38:29PM +0800, Liu Yi L wrote:
> > /dev/iommu aims to provide a unified interface for managing I/O address
> > spaces for devices assigned to userspace. This patch adds the initial
> > framework to
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