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>
---
| 13 +++++++++++++
| 5 +++++
2 files changed, 18 insertions(+)
--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];
--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
next prev parent reply other threads:[~2021-04-01 14:48 UTC|newest]
Thread overview: 5+ 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 [this message]
2021-04-01 14:45 ` [PATCH 2/2] KVM: use KVM_{GET|SET}_SREGS2 when supported by kvm Maxim Levitsky
2021-04-01 16:09 ` Paolo Bonzini
2021-04-01 17:10 ` Maxim Levitsky
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