[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v4 05/28] VIOMMU: Introduce callback of checking irq remapping mode
From: Lan Tianyu <tianyu.lan@xxxxxxxxx> This patch is to add callback for vIOAPIC and vMSI to check whether interrupt remapping is enabled. Signed-off-by: Lan Tianyu <tianyu.lan@xxxxxxxxx> Signed-off-by: Chao Gao <chao.gao@xxxxxxxxx> --- xen/common/viommu.c | 15 +++++++++++++++ xen/include/xen/viommu.h | 4 ++++ 2 files changed, 19 insertions(+) diff --git a/xen/common/viommu.c b/xen/common/viommu.c index 9eafdef..72173c3 100644 --- a/xen/common/viommu.c +++ b/xen/common/viommu.c @@ -145,6 +145,21 @@ int viommu_get_irq_info(const struct domain *d, return viommu->ops->get_irq_info(d, request, irq_info); } +bool viommu_check_irq_remapping(const struct domain *d, + const struct arch_irq_remapping_request *request) +{ + const struct viommu *viommu = d->arch.hvm_domain.viommu; + + if ( !viommu ) + return false; + + ASSERT(viommu->ops); + if ( !viommu->ops->check_irq_remapping ) + return false; + + return viommu->ops->check_irq_remapping(d, request); +} + /* * Local variables: * mode: C diff --git a/xen/include/xen/viommu.h b/xen/include/xen/viommu.h index 73b853f..c1dfaec 100644 --- a/xen/include/xen/viommu.h +++ b/xen/include/xen/viommu.h @@ -29,6 +29,8 @@ struct viommu; struct viommu_ops { uint8_t type; int (*create)(struct domain *d, struct viommu *viommu); + bool (*check_irq_remapping)(const struct domain *d, + const struct arch_irq_remapping_request *request); int (*destroy)(struct viommu *viommu); int (*handle_irq_request)(const struct domain *d, const struct arch_irq_remapping_request *request); @@ -56,6 +58,8 @@ int viommu_handle_irq_request(const struct domain *d, int viommu_get_irq_info(const struct domain *d, const struct arch_irq_remapping_request *request, struct arch_irq_remapping_info *irq_info); +bool viommu_check_irq_remapping(const struct domain *d, + const struct arch_irq_remapping_request *request); #else static inline int viommu_destroy_domain(struct domain *d) { -- 1.8.3.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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