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| author | Michael Roth <michael.roth@amd.com> | 2024-05-30 06:16:43 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-06-05 11:01:06 +0200 |
| commit | e3cddff93c1f88fea3b26841e792dc0be6b6fae8 (patch) | |
| tree | c5b5e17c4769a70147a7e75df06d86ce09837a56 /target/i386/sev.c | |
| parent | 47e76d03b155e43beca550251a6eb7ea926c059f (diff) | |
| download | qemu-e3cddff93c1f88fea3b26841e792dc0be6b6fae8.zip qemu-e3cddff93c1f88fea3b26841e792dc0be6b6fae8.tar.gz qemu-e3cddff93c1f88fea3b26841e792dc0be6b6fae8.tar.bz2 | |
i386/sev: Enable KVM_HC_MAP_GPA_RANGE hcall for SNP guests
KVM will forward GHCB page-state change requests to userspace in the
form of KVM_HC_MAP_GPA_RANGE, so make sure the hypercall handling is
enabled for SNP guests.
Signed-off-by: Michael Roth <michael.roth@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@amd.com>
Message-ID: <20240530111643.1091816-32-pankaj.gupta@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/i386/sev.c')
| -rw-r--r-- | target/i386/sev.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c index eaf5fc6..abb6306 100644 --- a/target/i386/sev.c +++ b/target/i386/sev.c @@ -14,6 +14,7 @@ #include "qemu/osdep.h" #include <linux/kvm.h> +#include <linux/kvm_para.h> #include <linux/psp-sev.h> #include <sys/ioctl.h> @@ -758,6 +759,10 @@ sev_snp_launch_start(SevCommonState *sev_common) trace_kvm_sev_snp_launch_start(start->policy, sev_snp_guest->guest_visible_workarounds); + if (!kvm_enable_hypercall(BIT_ULL(KVM_HC_MAP_GPA_RANGE))) { + return 1; + } + rc = sev_ioctl(sev_common->sev_fd, KVM_SEV_SNP_LAUNCH_START, start, &fw_error); if (rc < 0) { |