Hi Quan, On 16/09/2015 14:24, Quan Xu wrote:
diff --git a/xen/include/xen/hvm/iommu.h b/xen/include/xen/hvm/iommu.h index e40fc7b..5dc0033 100644 --- a/xen/include/xen/hvm/iommu.h +++ b/xen/include/xen/hvm/iommu.h
Same remarks as the previous patches for the fields, prototype and macros.
@@ -53,11 +53,15 @@ struct hvm_iommu { struct qi_talbe talbe; bool_t qi_flag; + struct page_list_head qi_hold_page_list; + spinlock_t qi_lock; + /* Features supported by the IOMMU */ DECLARE_BITMAP(features, IOMMU_FEAT_count); }; void do_qi_flushing(struct domain *d); +void qi_hold_page(struct domain *d, struct page_info *pg); #define iommu_set_feature(d, f) set_bit((f), domain_hvm_iommu(d)->features) #define iommu_clear_feature(d, f) clear_bit((f), domain_hvm_iommu(d)->features) @@ -68,5 +72,9 @@ void do_qi_flushing(struct domain *d); (d->arch.hvm_domain.hvm_iommu.talbe.qi_table_poll_slot) #define QI_FLUSHING(d) \ (d->arch.hvm_domain.hvm_iommu.qi_flag) +#define qi_hold_page_list(d) \ + (d->arch.hvm_domain.hvm_iommu.qi_hold_page_list) +#define qi_page_lock(d) \ + (d->arch.hvm_domain.hvm_iommu.qi_lock) #endif /* __XEN_HVM_IOMMU_H__ */
Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel