search for: kvmi_host

...dontu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 60 ++++++ arch/x86/include/asm/kvm_host.h | 2 + arch/x86/include/asm/kvmi_host.h | 7 + arch/x86/kvm/kvmi.c | 40 ++++ include/linux/kvmi_host.h | 3 + include/uapi/linux/kvmi.h | 23 +++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 52 ++++++ virt/kvm/introspection/kvmi.c...

...on tool has closed the socket, the device manager should resume the action. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/api.rst | 28 ++++++++ Documentation/virt/kvm/kvmi.rst | 70 +++++++++++++++++-- arch/x86/include/asm/kvmi_host.h | 2 + arch/x86/include/uapi/asm/kvmi.h | 29 ++++++++ include/linux/kvmi_host.h | 3 + include/uapi/linux/kvm.h | 2 + include/uapi/linux/kvmi.h | 13 ++++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 65...

...defined by a "do" function, a "free" function and a pointer (context). Co-developed-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- include/linux/kvmi_host.h | 10 +++++ virt/kvm/introspection/kvmi.c | 68 ++++++++++++++++++++++++++++++- virt/kvm/introspection/kvmi_int.h | 1 + 3 files changed, 77 insertions(+), 2 deletions(-) diff --git a/include/linux/kvmi_host.h b/include/linux/kvmi_host.h index ca2db8043a53..1d80d233fbd5 100644 --- a...

...nder.com> This commit also ensures that the introspection tool and the userspace do not disable each other the descriptor-table access VM-exit. Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvmi_host.h | 4 +++ arch/x86/kvm/kvmi.c | 45 ++++++++++++++++++++++++++++++++ arch/x86/kvm/svm/svm.c | 3 +++ arch/x86/kvm/vmx/vmx.c | 3 +++ 4 files changed, 55 insertions(+) diff --git a/arch/x86/include/asm/kvmi_host.h b/arch/x86/include/asm/kvmi_host.h index 09ebed8...

...itu at bitdefender.com> This commit also ensures that the introspection tool and the userspace do not disable each other the CR3-write VM-exit. Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvmi_host.h | 4 ++ arch/x86/kvm/kvmi.c | 64 ++++++++++++++++++++++++++++++-- arch/x86/kvm/svm.c | 5 +++ arch/x86/kvm/vmx/vmx.c | 5 +++ 4 files changed, 75 insertions(+), 3 deletions(-) diff --git a/arch/x86/include/asm/kvmi_host.h b/arch/x86/include/asm/kvmi_host....

...rjaliu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvm_host.h | 1 + arch/x86/kvm/x86.c | 3 ++ include/linux/kvm_host.h | 2 + include/linux/kvmi_host.h | 4 ++ virt/kvm/introspection/kvmi.c | 72 +++++++++++++++++++++++++++++++++ virt/kvm/kvm_main.c | 2 + 6 files changed, 84 insertions(+) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 378a094ceb5b..9cf45ca73af5 100644 --- a/arch/x86/i...

...ection events and almost all the introspection commands are disallowed. Some commands are always allowed, those querying the introspection capabilities. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/api.txt | 50 ++++++++++ include/linux/kvmi_host.h | 7 ++ include/uapi/linux/kvm.h | 8 ++ include/uapi/linux/kvmi.h | 8 ++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 28 ++++++ virt/kvm/introspection/kvmi.c | 92 +++++++++++++++++++ virt/kvm/introspection/kvmi...

...ntu at bitdefender.com> Co-developed-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 26 ++++++ arch/x86/include/asm/kvmi_host.h | 2 + arch/x86/kvm/x86.c | 6 ++ include/uapi/linux/kvmi.h | 1 + .../testing/selftests/kvm/x86_64/kvmi_test.c | 83 +++++++++++++++++++ virt/kvm/introspection/kvmi_int.h | 1 + virt/kvm/introspection/kvmi_msg.c...

...ables Patch 84: notify the introspection tool even on emulation failures (when the read/write callbacks used by the emulator, kvm_page_preread/kvm_page_prewrite, are not invoked) Changes since v8: - rebase on 5.8 - fix non-x86 builds (avoid including the UAPI headers from 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...

...at only the userspace or the introspection tool can control the #BP interception exclusively at one time. Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvm_host.h | 3 + arch/x86/include/asm/kvmi_host.h | 22 +++++++ arch/x86/kvm/kvmi.c | 99 ++++++++++++++++++++++++++++++- arch/x86/kvm/x86.c | 5 ++ virt/kvm/introspection/kvmi.c | 27 ++++++++- virt/kvm/introspection/kvmi_int.h | 6 +- 6 files changed, 157 insertions(+), 5 deletions(-) diff --git a/arch/x86/...

...nts (ie. KVMI_EVENT_UNHOOK), because no event (neither VM event, nor vCPU event) will be sent to the introspection tool unless enabled/requested. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 44 +++++++++++++++-- include/linux/kvmi_host.h | 2 + include/uapi/linux/kvmi.h | 18 +++++-- .../testing/selftests/kvm/x86_64/kvmi_test.c | 48 +++++++++++++++++++ virt/kvm/introspection/kvmi.c | 14 ++++++ virt/kvm/introspection/kvmi_int.h | 9 ++++ virt/kvm/introspectio...

...rt/kvm/hypercalls.txt | 36 +- Documentation/virt/kvm/kvmi.rst | 1413 +++++++++++++ arch/x86/include/asm/kvm_emulate.h | 1 + arch/x86/include/asm/kvm_host.h | 36 +- arch/x86/include/asm/kvm_page_track.h | 71 +- arch/x86/include/asm/kvmi_host.h | 91 + arch/x86/include/asm/vmx.h | 2 + arch/x86/include/uapi/asm/kvmi.h | 147 ++ arch/x86/kvm/Kconfig | 9 + arch/x86/kvm/Makefile | 2 + arch/x86/kvm/emulate.c |...

...?u <ncitu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 28 +++++++ arch/x86/kvm/vmx/vmx.c | 6 ++ include/linux/kvmi_host.h | 4 + include/uapi/linux/kvmi.h | 6 ++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 80 ++++++++++++++++--- virt/kvm/introspection/kvmi.c | 61 ++++++++++++++ virt/kvm/introspection/kvmi_int.h | 1 + 7 files changed, 177...

...<ncitu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 31 +++++++++ arch/x86/kvm/vmx/vmx.c | 6 ++ include/linux/kvmi_host.h | 4 ++ include/uapi/linux/kvmi.h | 6 ++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 65 +++++++++++++++++-- virt/kvm/introspection/kvmi.c | 60 +++++++++++++++++ virt/kvm/introspection/kvmi_msg.c | 5 ++ 7 files changed,...

...u at bitdefender.com> Co-developed-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 33 ++++++++ arch/x86/include/asm/kvmi_host.h | 4 + arch/x86/include/uapi/asm/kvmi.h | 7 ++ arch/x86/kvm/kvmi.c | 48 +++++++++++ arch/x86/kvm/x86.c | 6 ++ include/uapi/linux/kvmi.h | 1 + .../testing/selftests/kvm/x86_64/kvmi_test.c |...

...o receive. With this command (KVMI_VM_CONTROL_EVENTS) it can enable/disable any VM event (e.g. KVMI_EVENT_UNHOOK) if allowed by the device manager. Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 44 +++++++++++++-- include/linux/kvmi_host.h | 2 + include/uapi/linux/kvmi.h | 16 ++++-- .../testing/selftests/kvm/x86_64/kvmi_test.c | 54 +++++++++++++++++++ virt/kvm/introspection/kvmi.c | 30 ++++++++++- virt/kvm/introspection/kvmi_int.h | 3 ++ virt/kvm/introspect...

...tu at bitdefender.com> This commit also ensures that the introspection tool and the userspace do not disable each other the MSR access VM-exit. Signed-off-by: Nicu?or C??u <ncitu at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvmi_host.h | 12 ++++ arch/x86/kvm/kvmi.c | 119 +++++++++++++++++++++++++++---- arch/x86/kvm/svm.c | 11 +++ arch/x86/kvm/vmx/vmx.c | 11 +++ 4 files changed, 139 insertions(+), 14 deletions(-) diff --git a/arch/x86/include/asm/kvmi_host.h b/arch/x86/include/asm/kvm...

...CPU introspection events. Signed-off-by: Mihai Don?u <mdontu at bitdefender.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 45 +++++++++- include/linux/kvmi_host.h | 2 + include/uapi/linux/kvmi.h | 28 ++++--- .../testing/selftests/kvm/x86_64/kvmi_test.c | 82 +++++++++++++++++++ virt/kvm/introspection/kvmi.c | 13 +++ virt/kvm/introspection/kvmi_int.h | 3 + virt/kvm/introspection/kvmi...

...lbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 31 ++++++ arch/x86/kvm/kvmi.c | 18 ++++ arch/x86/kvm/x86.c | 7 ++ include/linux/kvmi_host.h | 7 ++ include/uapi/linux/kvmi.h | 7 ++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 21 +++++ virt/kvm/introspection/kvmi.c | 23 +++++ virt/kvm/introspection/kvmi_int.h | 3 + virt/kvm/introspection/kvmi_msg.c...

...m> Co-developed-by: Marian Rotariu <marian.c.rotariu at gmail.com> Signed-off-by: Marian Rotariu <marian.c.rotariu at gmail.com> Co-developed-by: Adalbert Laz?r <alazar at bitdefender.com> Signed-off-by: Adalbert Laz?r <alazar at bitdefender.com> --- arch/x86/include/asm/kvmi_host.h | 12 ++ arch/x86/kvm/kvmi.c | 45 +++++ include/uapi/linux/kvmi.h | 4 + virt/kvm/kvmi.c | 293 ++++++++++++++++++++++++++++++- virt/kvm/kvmi_int.h | 21 +++ 5 files changed, 374 insertions(+), 1 deletion(-) create mode 100644 arch/x86/incl...