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From: Maxim Levitsky <mlevitsk@redhat.com>
To: qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>,
	Cornelia Huck <cohuck@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	kvm@vger.kernel.org,
	Richard Henderson <richard.henderson@linaro.org>,
	Maxim Levitsky <mlevitsk@redhat.com>
Subject: [PATCH 1/2] kvm: update kernel headers for KVM_{GET|SET}_SREGS2
Date: Thu,  1 Apr 2021 17:45:44 +0300	[thread overview]
Message-ID: <20210401144545.1031704-2-mlevitsk@redhat.com> (raw)
In-Reply-To: <20210401144545.1031704-1-mlevitsk@redhat.com>

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
 linux-headers/asm-x86/kvm.h | 13 +++++++++++++
 linux-headers/linux/kvm.h   |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 8e76d3701d..8c604e6bb1 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -158,6 +158,19 @@ struct kvm_sregs {
 	__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
 };
 
+struct kvm_sregs2 {
+	/* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
+	struct kvm_segment cs, ds, es, fs, gs, ss;
+	struct kvm_segment tr, ldt;
+	struct kvm_dtable gdt, idt;
+	__u64 cr0, cr2, cr3, cr4, cr8;
+	__u64 efer;
+	__u64 apic_base;
+	__u64 flags; /* must be zero*/
+	__u64 pdptrs[4];
+	__u64 padding;
+};
+
 /* for KVM_GET_FPU and KVM_SET_FPU */
 struct kvm_fpu {
 	__u8  fpr[8][16];
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 020b62a619..a97f0f2d03 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -1056,6 +1056,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
 #define KVM_CAP_SYS_HYPERV_CPUID 191
 #define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_SREGS2 196
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1563,6 +1564,10 @@ struct kvm_pv_cmd {
 /* Available with KVM_CAP_DIRTY_LOG_RING */
 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
 
+
+#define KVM_GET_SREGS2             _IOR(KVMIO,  0xca, struct kvm_sregs2)
+#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcb, struct kvm_sregs2)
+
 /* Secure Encrypted Virtualization command */
 enum sev_cmd_id {
 	/* Guest initialization commands */
-- 
2.26.2


WARNING: multiple messages have this Message-ID (diff)
From: Maxim Levitsky <mlevitsk@redhat.com>
To: qemu-devel@nongnu.org
Cc: Cornelia Huck <cohuck@redhat.com>,
	Eduardo Habkost <ehabkost@redhat.com>,
	kvm@vger.kernel.org, "Michael S. Tsirkin" <mst@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Maxim Levitsky <mlevitsk@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>
Subject: [PATCH 1/2] kvm: update kernel headers for KVM_{GET|SET}_SREGS2
Date: Thu,  1 Apr 2021 17:45:44 +0300	[thread overview]
Message-ID: <20210401144545.1031704-2-mlevitsk@redhat.com> (raw)
In-Reply-To: <20210401144545.1031704-1-mlevitsk@redhat.com>

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
 linux-headers/asm-x86/kvm.h | 13 +++++++++++++
 linux-headers/linux/kvm.h   |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/linux-headers/asm-x86/kvm.h b/linux-headers/asm-x86/kvm.h
index 8e76d3701d..8c604e6bb1 100644
--- a/linux-headers/asm-x86/kvm.h
+++ b/linux-headers/asm-x86/kvm.h
@@ -158,6 +158,19 @@ struct kvm_sregs {
 	__u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64];
 };
 
+struct kvm_sregs2 {
+	/* out (KVM_GET_SREGS2) / in (KVM_SET_SREGS2) */
+	struct kvm_segment cs, ds, es, fs, gs, ss;
+	struct kvm_segment tr, ldt;
+	struct kvm_dtable gdt, idt;
+	__u64 cr0, cr2, cr3, cr4, cr8;
+	__u64 efer;
+	__u64 apic_base;
+	__u64 flags; /* must be zero*/
+	__u64 pdptrs[4];
+	__u64 padding;
+};
+
 /* for KVM_GET_FPU and KVM_SET_FPU */
 struct kvm_fpu {
 	__u8  fpr[8][16];
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 020b62a619..a97f0f2d03 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -1056,6 +1056,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_ENFORCE_PV_FEATURE_CPUID 190
 #define KVM_CAP_SYS_HYPERV_CPUID 191
 #define KVM_CAP_DIRTY_LOG_RING 192
+#define KVM_CAP_SREGS2 196
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -1563,6 +1564,10 @@ struct kvm_pv_cmd {
 /* Available with KVM_CAP_DIRTY_LOG_RING */
 #define KVM_RESET_DIRTY_RINGS		_IO(KVMIO, 0xc7)
 
+
+#define KVM_GET_SREGS2             _IOR(KVMIO,  0xca, struct kvm_sregs2)
+#define KVM_SET_SREGS2             _IOW(KVMIO,  0xcb, struct kvm_sregs2)
+
 /* Secure Encrypted Virtualization command */
 enum sev_cmd_id {
 	/* Guest initialization commands */
-- 
2.26.2



  reply	other threads:[~2021-04-01 17:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-01 14:45 [PATCH 0/2] kvm: use KVM_{GET|SET}_SREGS2 when available Maxim Levitsky
2021-04-01 14:45 ` Maxim Levitsky
2021-04-01 14:45 ` Maxim Levitsky [this message]
2021-04-01 14:45   ` [PATCH 1/2] kvm: update kernel headers for KVM_{GET|SET}_SREGS2 Maxim Levitsky
2021-04-01 14:45 ` [PATCH 2/2] KVM: use KVM_{GET|SET}_SREGS2 when supported by kvm Maxim Levitsky
2021-04-01 14:45   ` Maxim Levitsky
2021-04-01 16:09   ` Paolo Bonzini
2021-04-01 16:09     ` Paolo Bonzini
2021-04-01 17:10     ` Maxim Levitsky
2021-04-01 17:10       ` Maxim Levitsky

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