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Re: [PATCH v3 08/23] xen/arm: vsmmuv3: Add support for registers emulation
- To: Milan Djokic <milan_djokic@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: abhash <a-kumar2@xxxxxx>
- Date: Tue, 28 Jul 2026 16:31:07 +0530
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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>
- Delivery-date: Tue, 28 Jul 2026 11:01:34 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
struct virt_smmu {
struct domain *d;
struct list_head viommu_list;
+ uint8_t sid_split;
+ uint32_t features;
+ uint32_t cr[3];
+ uint32_t cr0ack;
+ uint32_t gerror;
+ uint32_t gerrorn;
+ uint32_t strtab_base_cfg;
+ uint64_t strtab_base;
+ uint32_t irq_ctrl;
+ uint64_t gerror_irq_cfg0;
+ uint64_t evtq_irq_cfg0;
+ struct arm_vsmmu_queue evtq, cmdq;
};
Hi Rahul/Milan,
Any reason why the GBPA register emulation is not added?
When "arm_smmu_device_reset" would be called by the guest kernel, it
would fail.
Thanks,
Abhash
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