From: "Jörg Rödel" <joro@8bytes.org>
To: Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <seanjc@google.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
ashish.kalra@amd.com, michael.roth@amd.com, nsaenz@amazon.com,
anelkz@amazon.de, James.Bottomley@HansenPartnership.com,
Melody Wang <huibo.wang@amd.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
kvmarm@lists.linux.dev, loongarch@lists.linux.dev,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
kvm-riscv@lists.infradead.org, x86@kernel.org,
coconut-svsm@lists.linux.dev, joerg.roedel@amd.com
Subject: [PATCH 60/60] kvm: svm: Advertise full multi-VMPL support to the SNP guest
Date: Mon, 8 Jun 2026 16:42:52 +0200 [thread overview]
Message-ID: <20260608144252.351443-61-joro@8bytes.org> (raw)
In-Reply-To: <20260608144252.351443-1-joro@8bytes.org>
From: Tom Lendacky <thomas.lendacky@amd.com>
Indicate full multi-VMPL support to the guest through the GHCB feature
bitmap.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Co-developed-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
arch/x86/kvm/svm/sev.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 528c8bd3e8fc..0736e1c778d9 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -43,7 +43,8 @@
#define GHCB_HV_FT_SUPPORTED (GHCB_HV_FT_SNP | \
GHCB_HV_FT_SNP_AP_CREATION | \
GHCB_HV_FT_SNP_RINJ | \
- GHCB_HV_FT_APIC_ID_LIST)
+ GHCB_HV_FT_APIC_ID_LIST | \
+ GHCB_HV_FT_SNP_MULTI_VMPL)
/*
* The GHCB spec essentially states that all non-zero error codes other than
--
2.53.0
prev parent reply other threads:[~2026-06-08 14:54 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-08 14:41 [PATCH 00/60] KVM Planes + SEV-SNP Support Jörg Rödel
2026-06-08 14:41 ` [PATCH 01/60] x86/sev: Define the #HV doorbell page structure Jörg Rödel
2026-06-08 14:41 ` [PATCH 02/60] KVM: SVM: Add support for the SEV-SNP #HV doorbell page NAE event Jörg Rödel
2026-06-08 14:41 ` [PATCH 03/60] KVM: SVM: Inject #HV when Restricted Injection is active Jörg Rödel
2026-06-08 14:41 ` [PATCH 04/60] KVM: SVM: Inject NMIs " Jörg Rödel
2026-06-08 14:41 ` [PATCH 05/60] KVM: SVM: Inject MCEs " Jörg Rödel
2026-06-08 14:41 ` [PATCH 06/60] KVM: SVM: Enable Restricted Injection for an SEV-SNP guest Jörg Rödel
2026-06-08 14:41 ` [PATCH 07/60] KVM: SVM: Add support for the SEV-SNP #HV IPI NAE event Jörg Rödel
2026-06-08 14:42 ` [PATCH 08/60] Documentation: kvm: introduce "VM plane" concept Jörg Rödel
2026-06-08 14:42 ` [PATCH 09/60] kvm: Introduce struct kvm_plane Jörg Rödel
2026-06-08 14:42 ` [PATCH 10/60] kvm: Move vcpu_array to " Jörg Rödel
2026-06-08 14:42 ` [PATCH 11/60] kvm: Introduce struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 12/60] kvm: Move vcpu accounting to " Jörg Rödel
2026-06-08 14:42 ` [PATCH 13/60] kvm: Add read accessors for kvm_vcpu scheduling state Jörg Rödel
2026-06-08 14:42 ` [PATCH 14/60] kvm: Make kvm_running_vcpus point to struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 15/60] kvm: Move VCPU scheduling state " Jörg Rödel
2026-06-08 14:42 ` [PATCH 16/60] kvm: Add accessors for kvm_vcpu->mutex Jörg Rödel
2026-06-08 14:42 ` [PATCH 17/60] kvm: Move VCPU locking to struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 18/60] kvm: Move kvm_vcpu->rcuwait " Jörg Rödel
2026-06-08 14:42 ` [PATCH 19/60] kvm: Introduce accessors for kvm_vcpu->mode Jörg Rödel
2026-06-08 14:42 ` [PATCH 20/60] kvm: Move kvm_vcpu mode and requests field to struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 21/60] kvm: Introduce per-plane VCPU requests Jörg Rödel
2026-06-08 14:42 ` [PATCH 22/60] kvm: Move kvm_vcpu pid members to struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 23/60] kvm: Move kvm_vcpu sigset " Jörg Rödel
2026-06-08 14:42 ` [PATCH 24/60] kvm: Move kvm_vcpu spinloop " Jörg Rödel
2026-06-08 14:42 ` [PATCH 25/60] kvm: Move kvm_vcpu->dirty_ring " Jörg Rödel
2026-06-08 14:42 ` [PATCH 26/60] kvm: Introduce arch-specific plane state Jörg Rödel
2026-06-08 14:42 ` [PATCH 27/60] kvm: Introduce arch-specific part of struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 28/60] kvm: Implement KVM_CAP_PLANES Jörg Rödel
2026-06-08 14:42 ` [PATCH 29/60] kvm: Implement KVM_CREATE_PLANE ioctl Jörg Rödel
2026-06-08 14:42 ` [PATCH 30/60] kvm: Add KVM_EXIT_PLANE_EVENT Jörg Rödel
2026-06-08 14:42 ` [PATCH 31/60] kvm: Allocate struct kvm_plane in architecture code Jörg Rödel
2026-06-08 14:42 ` [PATCH 32/60] kvm: Allocate struct kvm_run only for struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 33/60] KVM: Implement KVM_CREATE_VCPU ioctl for planes Jörg Rödel
2026-06-08 14:42 ` [PATCH 34/60] kvm: Keep track of plane VCPUs in struct kvm_vcpu_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 35/60] kvm: Add VCPU plane-scheduling state and helpers Jörg Rödel
2026-06-08 16:47 ` Paolo Bonzini
2026-06-08 17:52 ` Jörg Rödel
2026-06-08 17:58 ` Paolo Bonzini
2026-06-08 14:42 ` [PATCH 36/60] kvm: Add plane_level to kvm_kernel_irq_routing_entry Jörg Rödel
2026-06-08 14:42 ` [PATCH 37/60] kvm: Pass plane_level to kvm_set_routing_entry() Jörg Rödel
2026-06-08 14:42 ` [PATCH 38/60] kvm: Make KVM_SIGNAL_MSI per plane Jörg Rödel
2026-06-08 14:42 ` [PATCH 39/60] kvm: Make KVM_SET_GSI_ROUTING " Jörg Rödel
2026-06-08 14:42 ` [PATCH 40/60] kvm: x86: Handle IOAPIC EOIs " Jörg Rödel
2026-06-08 14:42 ` [PATCH 41/60] kvm: x86: Make apic_map " Jörg Rödel
2026-06-08 14:42 ` [PATCH 42/60] kvm: x86: Make local APIC code aware of planes Jörg Rödel
2026-06-08 14:42 ` [PATCH 43/60] kvm: x86: Move CPUID state to struct kvm_vcpu_arch_common Jörg Rödel
2026-06-08 14:42 ` [PATCH 44/60] kvm: x86: Move cpu_caps " Jörg Rödel
2026-06-08 14:42 ` [PATCH 45/60] kvm: x86: Update state for all plane VCPUs after CPUID update Jörg Rödel
2026-06-08 14:42 ` [PATCH 46/60] kvm: x86: Share MTRR state across planes Jörg Rödel
2026-06-08 14:42 ` [PATCH 47/60] kvm: x86: Select a plane to run Jörg Rödel
2026-06-08 14:42 ` [PATCH 48/60] kvm: x86: Make event injection VCPU requests per-plane Jörg Rödel
2026-06-08 14:42 ` [PATCH 49/60] kvm: x86: Allow hardware backend to overwrite struct kvm_plane allocation Jörg Rödel
2026-06-08 14:42 ` [PATCH 50/60] kvm: x86: Make KVM_REQ_UPDATE_PROTECTED_GUEST_STATE per plane Jörg Rödel
2026-06-08 14:42 ` [PATCH 51/60] kvm: x86: Share pio_data across planes Jörg Rödel
2026-06-08 14:42 ` [PATCH 52/60] kvm: x86: Switch to plane0 if it has events Jörg Rödel
2026-06-08 14:42 ` [PATCH 53/60] kvm: x86: Introduce max_planes x86-op Jörg Rödel
2026-06-08 14:42 ` [PATCH 54/60] kvm: x86: Restrict KVM planes support to KVM_IRQCHIP_SPLIT Jörg Rödel
2026-06-08 14:42 ` [PATCH 55/60] kvm: svm: Track vmsa_features per plane Jörg Rödel
2026-06-08 14:42 ` [PATCH 56/60] kvm: svm: Implement GET_AP_APIC_IDS NAE event Jörg Rödel
2026-06-08 14:42 ` [PATCH 57/60] kvm: sev: Allow for VMPL level specification in AP create Jörg Rödel
2026-06-08 14:42 ` [PATCH 58/60] kvm: svm: Invoke a specified VMPL level VMSA for the vCPU Jörg Rödel
2026-06-08 14:42 ` [PATCH 59/60] kvm: svm: Implement max_planes x86 operation Jörg Rödel
2026-06-08 14:42 ` Jörg Rödel [this message]
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