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Re: [PATCH v3 11/23] xen/arm: vsmmuv3: Attach Stage-1 configuration to SMMUv3 hardware
- To: Milan Djokic <milan_djokic@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 31 Mar 2026 10:20:10 +0200
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- Cc: Rahul Singh <rahul.singh@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 31 Mar 2026 08:20:15 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 31.03.2026 03:52, Milan Djokic wrote:
> --- a/xen/include/xen/iommu.h
> +++ b/xen/include/xen/iommu.h
> @@ -312,6 +312,7 @@ static inline int iommu_add_dt_pci_sideband_ids(struct
> pci_dev *pdev)
> #endif /* HAS_DEVICE_TREE_DISCOVERY */
>
> struct page_info;
> +struct iommu_guest_config;
>
> /*
> * Any non-zero value returned from callbacks of this type will cause the
> @@ -387,6 +388,11 @@ struct iommu_ops {
> #endif
> /* Inhibit all interrupt generation, to be used at shutdown. */
> void (*quiesce)(void);
> +
> +#ifdef CONFIG_ARM
> + int (*attach_guest_config)(struct domain *d, u32 sid,
Nit: uint32_t please, provided a fixed-width type is actually warranted here
(see ./CODING_STYLE).
> + struct iommu_guest_config *cfg);
Pointer-to-const?
Jan
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