search for: kvmi_vcpu_set_xsave

...00644 --- a/Documentation/virt/kvm/kvmi.rst +++ b/Documentation/virt/kvm/kvmi.rst @@ -873,6 +873,35 @@ the buffer size from the message size (kvmi_msg_hdr.size). * -KVM_EAGAIN - the selected vCPU can't be introspected yet * -KVM_ENOMEM - there is not enough memory to allocate the reply +20. KVMI_VCPU_SET_XSAVE +----------------------- + +:Architecture: x86 +:Versions: >= 1 +:Parameters: + +:: + + struct kvmi_vcpu_hdr; + struct kvmi_vcpu_set_xsave { + __u32 region[0]; + }; + +:Returns: + +:: + + struct kvmi_error_code; + +Modifies the XSAVE area. + +:Errors: + +* -KVM_EINVAL - the buffer is larger tha...

...IN - the selected vCPU can't be introspected yet + Events ====== diff --git a/arch/x86/include/uapi/asm/kvmi.h b/arch/x86/include/uapi/asm/kvmi.h index 71206206973c..33edbb5b32f4 100644 --- a/arch/x86/include/uapi/asm/kvmi.h +++ b/arch/x86/include/uapi/asm/kvmi.h @@ -107,4 +107,13 @@ struct kvmi_vcpu_set_xsave { __u32 region[0]; }; +struct kvmi_vcpu_get_mtrr_type { + __u64 gpa; +}; + +struct kvmi_vcpu_get_mtrr_type_reply { + __u8 type; + __u8 padding[7]; +}; + #endif /* _UAPI_ASM_X86_KVMI_H */ diff --git a/arch/x86/kvm/kvmi.c b/arch/x86/kvm/kvmi.c index 0776be48ada1..80ad67e875c4 100644 --- a/arch/...

This function is needed for the KVMI_VCPU_SET_XSAVE command. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/kvm/x86.c | 4 ++-- include/linux/kvm_host.h | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4d5be48b5239..b7eb223dc1aa 100644 --- a/arc...

...r)) + return 1; + return kvm_x86_ops.set_msr(vcpu, &msr); } diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index f2e802d2b712..2872f90ff092 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -43,6 +43,7 @@ enum { KVMI_VCPU_GET_XSAVE = 19, KVMI_VCPU_SET_XSAVE = 20, KVMI_VCPU_GET_MTRR_TYPE = 21, + KVMI_VCPU_CONTROL_MSR = 22, KVMI_NUM_MESSAGES }; @@ -56,6 +57,7 @@ enum { KVMI_EVENT_TRAP = 5, KVMI_EVENT_XSETBV = 6, KVMI_EVENT_DESCRIPTOR = 7, + KVMI_EVENT_MSR = 8, KVMI_NUM_EVENTS }; diff --git a/tools/testing/selftes...

...rom kvmi_host.h) - fix the clean-up for KVMI_VCPU_SINGLESTEP [Mathieu] - extend KVMI_VM_SET_PAGE_ACCESS with the 'visible' option - improve KVMI_VM_GET_MAX_GFN (skip read-only, invalid or non-user memslots) - add KVMI_VM_CONTROL_CLEANUP [Tamas, Mathieu] - add KVMI_VCPU_GET_XCR and KVMI_VCPU_SET_XSAVE (SSE emulation) - move KVM_REQ_INTROSPECTION in the range of arch-independent requests - better split of x86 vs arch-independent code - cover more error codes with tools/testing/selftests/kvm/x86_64/kvmi_test.c - remove more error messages and close the introspection connection when an...

This patch series is based on the VM introspection patches (https://lore.kernel.org/kvm/20200721210922.7646-1-alazar at bitdefender.com/), extending the introspection API with EPT Views and Virtualization Exceptions (#VE) support. The purpose of this series is to get an initial feedback and to see if we are on the right track, especially because the changes made to add the EPT views are not small