[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 08 of 16] amd iommu: Add a hypercall for hvmloader
# HG changeset patch # User Wei Wang <wei.wang2@xxxxxxx> # Date 1323875773 -3600 # Node ID 52dbaf1fb0e0364fad40f9be330f80e157c935e4 # Parent ef5698887d044ad58293bee3549eaa20310c2b17 amd iommu: Add a hypercall for hvmloader. IOMMU MMIO base address is dynamically allocated by firmware. This patch allows hvmloader to notify hypervisor where the iommu mmio pages are. Signed-off-by: Wei Wang <wei.wang2@xxxxxxx> diff -r ef5698887d04 -r 52dbaf1fb0e0 xen/arch/x86/hvm/hvm.c --- a/xen/arch/x86/hvm/hvm.c Wed Dec 14 16:16:12 2011 +0100 +++ b/xen/arch/x86/hvm/hvm.c Wed Dec 14 16:16:13 2011 +0100 @@ -65,6 +65,7 @@ #include <public/memory.h> #include <asm/mem_event.h> #include <public/mem_event.h> +#include <asm/hvm/svm/amd-iommu-proto.h> bool_t __read_mostly hvm_enabled; @@ -3676,6 +3677,9 @@ long do_hvm_op(unsigned long op, XEN_GUE case HVM_PARAM_BUFIOREQ_EVTCHN: rc = -EINVAL; break; + case HVM_PARAM_IOMMU_BASE: + rc = guest_iommu_set_base(d, a.value); + break; } if ( rc == 0 ) diff -r ef5698887d04 -r 52dbaf1fb0e0 xen/include/public/hvm/params.h --- a/xen/include/public/hvm/params.h Wed Dec 14 16:16:12 2011 +0100 +++ b/xen/include/public/hvm/params.h Wed Dec 14 16:16:13 2011 +0100 @@ -142,6 +142,10 @@ /* Boolean: Enable nestedhvm (hvm only) */ #define HVM_PARAM_NESTEDHVM 24 -#define HVM_NR_PARAMS 27 +#ifndef __ia64__ +#define HVM_PARAM_IOMMU_BASE 27 +#endif + +#define HVM_NR_PARAMS 28 #endif /* __XEN_PUBLIC_HVM_PARAMS_H__ */ _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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