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[PATCH 04/15] tools/libs/light: Always enable IOMMU
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Henry Wang <xin.wang2@xxxxxxx>
- Date: Wed, 24 Apr 2024 11:34:38 +0800
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- Cc: Vikram Garhwal <fnu.vikram@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Henry Wang <xin.wang2@xxxxxxx>
- Delivery-date: Wed, 24 Apr 2024 03:35:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
From: Vikram Garhwal <fnu.vikram@xxxxxxxxxx>
For overlay with iommu functionality to work with running VMs, we need
to enable IOMMU when iomem presents for the domains.
Signed-off-by: Vikram Garhwal <fnu.vikram@xxxxxxxxxx>
Signed-off-by: Henry Wang <xin.wang2@xxxxxxx>
---
tools/libs/light/libxl_arm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/libs/light/libxl_arm.c b/tools/libs/light/libxl_arm.c
index 1cb89fa584..dd5c9f4917 100644
--- a/tools/libs/light/libxl_arm.c
+++ b/tools/libs/light/libxl_arm.c
@@ -222,6 +222,12 @@ int libxl__arch_domain_prepare_config(libxl__gc *gc,
config->arch.sve_vl = d_config->b_info.arch_arm.sve_vl / 128U;
}
+#ifdef LIBXL_HAVE_DT_OVERLAY
+ if (d_config->b_info.num_iomem) {
+ config->flags |= XEN_DOMCTL_CDF_iommu;
+ }
+#endif
+
return 0;
}
--
2.34.1
|
