From: Lai Jiangshan <jiangshanlai@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Lai Jiangshan <jiangshan.ljs@antgroup.com>,
Hou Wenlong <houwenlong.hwl@antgroup.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Sean Christopherson <seanjc@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
x86@kernel.org, Kees Cook <keescook@chromium.org>,
Juergen Gross <jgross@suse.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: [RFC PATCH 09/73] KVM: x86: Add PVM virtual MSRs into emulated_msrs_all[]
Date: Mon, 26 Feb 2024 22:35:26 +0800 [thread overview]
Message-ID: <20240226143630.33643-10-jiangshanlai@gmail.com> (raw)
In-Reply-To: <20240226143630.33643-1-jiangshanlai@gmail.com>
From: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Add PVM virtual MSRs to emulated_msrs_all[], enabling the saving and
restoration of VM states.
Signed-off-by: Lai Jiangshan <jiangshan.ljs@antgroup.com>
Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
---
arch/x86/kvm/svm/svm.c | 4 ++++
arch/x86/kvm/vmx/vmx.c | 4 ++++
arch/x86/kvm/x86.c | 10 ++++++++++
3 files changed, 18 insertions(+)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index f3bb30b40876..91ab7cbbe813 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -31,6 +31,7 @@
#include <asm/apic.h>
#include <asm/perf_event.h>
+#include <asm/pvm_para.h>
#include <asm/tlbflush.h>
#include <asm/desc.h>
#include <asm/debugreg.h>
@@ -4281,6 +4282,9 @@ static bool svm_has_emulated_msr(struct kvm *kvm, u32 index)
case MSR_IA32_MCG_EXT_CTL:
case KVM_FIRST_EMULATED_VMX_MSR ... KVM_LAST_EMULATED_VMX_MSR:
return false;
+ case PVM_VIRTUAL_MSR_BASE ... PVM_VIRTUAL_MSR_MAX:
+ /* This is PVM only. */
+ return false;
case MSR_IA32_SMBASE:
if (!IS_ENABLED(CONFIG_KVM_SMM))
return false;
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index fca47304506e..e20a566f6d83 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -43,6 +43,7 @@
#include <asm/irq_remapping.h>
#include <asm/reboot.h>
#include <asm/perf_event.h>
+#include <asm/pvm_para.h>
#include <asm/mmu_context.h>
#include <asm/mshyperv.h>
#include <asm/mwait.h>
@@ -7004,6 +7005,9 @@ static bool vmx_has_emulated_msr(struct kvm *kvm, u32 index)
case MSR_AMD64_TSC_RATIO:
/* This is AMD only. */
return false;
+ case PVM_VIRTUAL_MSR_BASE ... PVM_VIRTUAL_MSR_MAX:
+ /* This is PVM only. */
+ return false;
default:
return true;
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8ec7a36cdf3e..be8fdae942d1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -84,6 +84,7 @@
#include <asm/intel_pt.h>
#include <asm/emulate_prefix.h>
#include <asm/sgx.h>
+#include <asm/pvm_para.h>
#include <clocksource/hyperv_timer.h>
#define CREATE_TRACE_POINTS
@@ -1525,6 +1526,15 @@ static const u32 emulated_msrs_all[] = {
MSR_KVM_ASYNC_PF_EN, MSR_KVM_STEAL_TIME,
MSR_KVM_PV_EOI_EN, MSR_KVM_ASYNC_PF_INT, MSR_KVM_ASYNC_PF_ACK,
+ MSR_PVM_LINEAR_ADDRESS_RANGE,
+ MSR_PVM_VCPU_STRUCT,
+ MSR_PVM_SUPERVISOR_RSP,
+ MSR_PVM_SUPERVISOR_REDZONE,
+ MSR_PVM_EVENT_ENTRY,
+ MSR_PVM_RETU_RIP,
+ MSR_PVM_RETS_RIP,
+ MSR_PVM_SWITCH_CR3,
+
MSR_IA32_TSC_ADJUST,
MSR_IA32_TSC_DEADLINE,
MSR_IA32_ARCH_CAPABILITIES,
--
2.19.1.6.gb485710b
next prev parent reply other threads:[~2024-02-26 14:35 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 14:35 [RFC PATCH 00/73] KVM: x86/PVM: Introduce a new hypervisor Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 01/73] KVM: Documentation: Add the specification for PVM Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 02/73] x86/ABI/PVM: Add PVM-specific ABI header file Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 03/73] x86/entry: Implement switcher for PVM VM enter/exit Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 04/73] x86/entry: Implement direct switching for the switcher Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 05/73] KVM: x86: Set 'vcpu->arch.exception.injected' as true before vendor callback Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 06/73] KVM: x86: Move VMX interrupt/nmi handling into kvm.ko Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 07/73] KVM: x86/mmu: Adapt shadow MMU for PVM Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 08/73] KVM: x86: Allow hypercall handling to not skip the instruction Lai Jiangshan
2024-02-26 14:35 ` Lai Jiangshan [this message]
2024-02-26 14:35 ` [RFC PATCH 10/73] KVM: x86: Introduce vendor feature to expose vendor-specific CPUID Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 11/73] KVM: x86: Implement gpc refresh for guest usage Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 12/73] KVM: x86: Add NR_VCPU_SREG in SREG enum Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 13/73] KVM: x86/emulator: Reinject #GP if instruction emulation failed for PVM Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 14/73] KVM: x86: Create stubs for PVM module as a new vendor Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 15/73] mm/vmalloc: Add a helper to reserve a contiguous and aligned kernel virtual area Lai Jiangshan
2024-02-27 14:56 ` Christoph Hellwig
2024-02-27 17:07 ` Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 16/73] KVM: x86/PVM: Implement host mmu initialization Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 17/73] KVM: x86/PVM: Implement module initialization related callbacks Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 18/73] KVM: x86/PVM: Implement VM/VCPU " Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 19/73] x86/entry: Export 32-bit ignore syscall entry and __ia32_enabled variable Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 20/73] KVM: x86/PVM: Implement vcpu_load()/vcpu_put() related callbacks Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 21/73] KVM: x86/PVM: Implement vcpu_run() callbacks Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 22/73] KVM: x86/PVM: Handle some VM exits before enable interrupts Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 23/73] KVM: x86/PVM: Handle event handling related MSR read/write operation Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 24/73] KVM: x86/PVM: Introduce PVM mode switching Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 25/73] KVM: x86/PVM: Implement APIC emulation related callbacks Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 26/73] KVM: x86/PVM: Implement event delivery flags " Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 27/73] KVM: x86/PVM: Implement event injection " Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 28/73] KVM: x86/PVM: Handle syscall from user mode Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 29/73] KVM: x86/PVM: Implement allowed range checking for #PF Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 30/73] KVM: x86/PVM: Implement segment related callbacks Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 31/73] KVM: x86/PVM: Implement instruction emulation for #UD and #GP Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 32/73] KVM: x86/PVM: Enable guest debugging functions Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 33/73] KVM: x86/PVM: Handle VM-exit due to hardware exceptions Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 34/73] KVM: x86/PVM: Handle ERETU/ERETS synthetic instruction Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 35/73] KVM: x86/PVM: Handle PVM_SYNTHETIC_CPUID " Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 36/73] KVM: x86/PVM: Handle KVM hypercall Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 37/73] KVM: x86/PVM: Use host PCID to reduce guest TLB flushing Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 38/73] KVM: x86/PVM: Handle hypercalls for privilege instruction emulation Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 39/73] KVM: x86/PVM: Handle hypercall for CR3 switching Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 40/73] KVM: x86/PVM: Handle hypercall for loading GS selector Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 41/73] KVM: x86/PVM: Allow to load guest TLS in host GDT Lai Jiangshan
2024-02-26 14:35 ` [RFC PATCH 42/73] KVM: x86/PVM: Support for kvm_exit() tracepoint Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 43/73] KVM: x86/PVM: Enable direct switching Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 44/73] KVM: x86/PVM: Implement TSC related callbacks Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 45/73] KVM: x86/PVM: Add dummy PMU " Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 46/73] KVM: x86/PVM: Support for CPUID faulting Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 47/73] KVM: x86/PVM: Handle the left supported MSRs in msrs_to_save_base[] Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 48/73] KVM: x86/PVM: Implement system registers setting callbacks Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 49/73] KVM: x86/PVM: Implement emulation for non-PVM mode Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 50/73] x86/tools/relocs: Cleanup cmdline options Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 51/73] x86/tools/relocs: Append relocations into input file Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 52/73] x86/boot: Allow to do relocation for uncompressed kernel Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 53/73] x86/pvm: Add Kconfig option and the CPU feature bit for PVM guest Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 54/73] x86/pvm: Detect PVM hypervisor support Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 55/73] x86/pvm: Relocate kernel image to specific virtual address range Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 56/73] x86/pvm: Relocate kernel image early in PVH entry Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 57/73] x86/pvm: Make cpu entry area and vmalloc area variable Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 58/73] x86/pvm: Relocate kernel address space layout Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 59/73] x86/pti: Force enabling KPTI for PVM guest Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 60/73] x86/pvm: Add event entry/exit and dispatch code Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 61/73] x86/pvm: Allow to install a system interrupt handler Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 62/73] x86/pvm: Add early kernel event entry and dispatch code Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 63/73] x86/pvm: Add hypercall support Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 64/73] x86/pvm: Enable PVM event delivery Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 65/73] x86/kvm: Patch KVM hypercall as PVM hypercall Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 66/73] x86/pvm: Use new cpu feature to describe XENPV and PVM Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 67/73] x86/pvm: Implement cpu related PVOPS Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 68/73] x86/pvm: Implement irq " Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 69/73] x86/pvm: Implement mmu " Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 70/73] x86/pvm: Don't use SWAPGS for gsbase read/write Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 71/73] x86/pvm: Adapt pushf/popf in this_cpu_cmpxchg16b_emu() Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 72/73] x86/pvm: Use RDTSCP as default in vdso_read_cpunode() Lai Jiangshan
2024-02-26 14:36 ` [RFC PATCH 73/73] x86/pvm: Disable some unsupported syscalls and features Lai Jiangshan
2024-02-26 14:49 ` [RFC PATCH 00/73] KVM: x86/PVM: Introduce a new hypervisor Paolo Bonzini
2024-02-27 17:27 ` Sean Christopherson
2024-02-29 9:33 ` David Woodhouse
2024-03-01 14:00 ` Lai Jiangshan
2024-02-29 14:55 ` Lai Jiangshan
2024-03-06 11:05 ` Like Xu
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