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> > ; Wangzhou (B) ;
> > jiangkunkun ; Jonathan Cameron
> >
; berra...@redhat.com; nath...@nvidia.com;
> mo...@nvidia.com; smost...@google.com; Linuxarm
> ; Wangzhou (B) ;
> jiangkunkun ; Jonathan Cameron
> ; zhangfei....@linaro.org
> Subject: Re: [RFC PATCH v2 09/20] hw/arm/smmuv3-accel: Add
> set/unset_iommu_device callback
>
> On T
Hi Shameer,
On 3/11/25 3:10 PM, Shameer Kolothum wrote:
> From: Nicolin Chen
>
> Implement a set_iommu_device callback:
> -Find an existing S2 hwpt to test attach() or allocate a new one
>(Devices behind the same physical SMMU should share an S2 HWPT.)
> -Attach the device to the S2 hwp
>
On Tue, Mar 11, 2025 at 02:10:34PM +, Shameer Kolothum wrote:
> @@ -30,6 +32,185 @@ static SMMUv3AccelDevice *smmuv3_accel_get_dev(SMMUState
> *s, SMMUPciBus *sbus,
> return accel_dev;
> }
>
> +static bool
> +smmuv3_accel_dev_attach_viommu(SMMUv3AccelDevice *accel_dev,
> +
From: Nicolin Chen
Implement a set_iommu_device callback:
-Find an existing S2 hwpt to test attach() or allocate a new one
(Devices behind the same physical SMMU should share an S2 HWPT.)
-Attach the device to the S2 hwp
-Allocate a viommu with the returned s2 hwpt.
-Allocate bypass and ab
