45 lines
1.7 KiB
Diff
45 lines
1.7 KiB
Diff
From 8468a1a6a23c02c4a4b09501d7702d7e44095df9 Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Fri, 18 Jul 2025 18:03:47 +0200
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Subject: [PATCH 055/115] i386/tdx: Finalize TDX VM
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RH-Author: Paolo Bonzini <pbonzini@redhat.com>
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RH-MergeRequest: 391: TDX support, including attestation and device assignment
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RH-Jira: RHEL-15710 RHEL-20798 RHEL-49728
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RH-Acked-by: Yash Mankad <None>
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RH-Acked-by: Peter Xu <peterx@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Commit: [55/115] 391331e4b8c4582cc4db040188c44ab5ff23987e (bonzini/rhel-qemu-kvm)
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Invoke KVM_TDX_FINALIZE_VM to finalize the TD's measurement and make
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the TD vCPUs runnable once machine initialization is complete.
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Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
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Acked-by: Gerd Hoffmann <kraxel@redhat.com>
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Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
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Link: https://lore.kernel.org/r/20250508150002.689633-27-xiaoyao.li@intel.com
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit ae60ff4e9f9e5790f79abf866ec67270c28ca477)
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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---
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target/i386/kvm/tdx.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c
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index 7980daf8c4..19ed1038a7 100644
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--- a/target/i386/kvm/tdx.c
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+++ b/target/i386/kvm/tdx.c
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@@ -353,6 +353,9 @@ static void tdx_finalize_vm(Notifier *notifier, void *unused)
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*/
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ram_block = tdx_guest->tdvf_mr->ram_block;
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ram_block_discard_range(ram_block, 0, ram_block->max_length);
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+
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+ tdx_vm_ioctl(KVM_TDX_FINALIZE_VM, 0, NULL, &error_fatal);
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+ CONFIDENTIAL_GUEST_SUPPORT(tdx_guest)->ready = true;
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}
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static Notifier tdx_machine_done_notify = {
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--
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2.50.1
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