search for: kvmi_vcpu_pause

...truct kvmi_error_code + +Enables/disables vCPU introspection events. + +When an event is enabled, the introspection tool is notified and it +must reply with: continue, retry, crash, etc. (see **Events** below). + +The *KVMI_EVENT_PAUSE_VCPU* event is always allowed, +because it is triggered by the *KVMI_VCPU_PAUSE* command. + +The *KVMI_EVENT_UNHOOK* event is controlled +by the *KVMI_VM_CONTROL_EVENTS* command. + +:Errors: + +* -KVM_EINVAL - the selected vCPU is invalid +* -KVM_EINVAL - the event ID is invalid/unknown (use *KVMI_VM_CHECK_EVENT* first) +* -KVM_EINVAL - padding is not zero +* -KVM_EAGAIN - the...

...msrs); + + *dest = rpl; + *dest_size = rpl_size; + + return err; + +} diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index 745503fb7378..bdb5f977c240 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -29,6 +29,7 @@ enum { KVMI_VCPU_GET_INFO = 9, KVMI_VCPU_PAUSE = 10, KVMI_VCPU_CONTROL_EVENTS = 11, + KVMI_VCPU_GET_REGISTERS = 12, KVMI_NUM_MESSAGES }; diff --git a/tools/testing/selftests/kvm/x86_64/kvmi_test.c b/tools/testing/selftests/kvm/x86_64/kvmi_test.c index 830b64cae20b..5d76d49bc277 100644 --- a/tools/testing/selftests/kvm/x86_64/kv...

...U_GET_INFO", - [KVMI_VCPU_GET_MTRR_TYPE] = "KVMI_VCPU_GET_MTRR_TYPE", - [KVMI_VCPU_GET_REGISTERS] = "KVMI_VCPU_GET_REGISTERS", - [KVMI_VCPU_GET_XSAVE] = "KVMI_VCPU_GET_XSAVE", - [KVMI_VCPU_INJECT_EXCEPTION] = "KVMI_VCPU_INJECT_EXCEPTION", - [KVMI_VCPU_PAUSE] = "KVMI_VCPU_PAUSE", - [KVMI_VCPU_SET_REGISTERS] = "KVMI_VCPU_SET_REGISTERS", + [KVMI_EVENT_REPLY] = "KVMI_EVENT_REPLY", + [KVMI_GET_VERSION] = "KVMI_GET_VERSION", + [KVMI_VM_CHECK_COMMAND] = "KVMI_VM_CHECK_C...

...mi_msg.c b/virt/kvm/introspection/kvmi_msg.c index 4c49033a6407..b026cd142f5e 100644 --- a/virt/kvm/introspection/kvmi_msg.c +++ b/virt/kvm/introspection/kvmi_msg.c @@ -39,6 +39,7 @@ static const char *const msg_IDs[] = { [KVMI_VCPU_INJECT_EXCEPTION] = "KVMI_VCPU_INJECT_EXCEPTION", [KVMI_VCPU_PAUSE] = "KVMI_VCPU_PAUSE", [KVMI_VCPU_SET_REGISTERS] = "KVMI_VCPU_SET_REGISTERS", + [KVMI_VCPU_TRANSLATE_GVA] = "KVMI_VCPU_TRANSLATE_GVA", }; static bool is_known_message(u16 id) @@ -614,6 +615,20 @@ static int handle_vcpu_control_singlestep(con...

..._VCPU_GET_CPUID", [KVMI_VCPU_GET_INFO] = "KVMI_VCPU_GET_INFO", [KVMI_VCPU_GET_REGISTERS] = "KVMI_VCPU_GET_REGISTERS", + [KVMI_VCPU_GET_XSAVE] = "KVMI_VCPU_GET_XSAVE", [KVMI_VCPU_INJECT_EXCEPTION] = "KVMI_VCPU_INJECT_EXCEPTION", [KVMI_VCPU_PAUSE] = "KVMI_VCPU_PAUSE", [KVMI_VCPU_SET_REGISTERS] = "KVMI_VCPU_SET_REGISTERS", @@ -526,6 +527,21 @@ static int handle_vcpu_inject_exception(const struct kvmi_vcpu_cmd_job *job, return kvmi_msg_vcpu_reply(job, msg, ec, NULL, 0); } +static int handle_vcpu_get_xs...

...KVM: introspection: add KVMI_GET_VERSION KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT KVM: introspection: add KVMI_EVENT_UNHOOK KVM: introspection: add KVMI_VM_CONTROL_EVENTS KVM: introspection: add a jobs list to every introspected vCPU KVM: introspection: add KVMI_VCPU_PAUSE KVM: introspection: add KVMI_EVENT_PAUSE_VCPU KVM: introspection: extend KVMI_GET_VERSION with struct kvmi_features KVM: introspection: add KVMI_VCPU_TRANSLATE_GVA Marian Rotariu (1): KVM: introspection: add KVMI_VCPU_GET_CPUID Mathieu Tarral (1): export kill_pid_info() Mihai Don?u (34...

...VM_CHECK_EVENT] = handle_check_event, [KVMI_VM_CONTROL_EVENTS] = handle_vm_control_events, [KVMI_VM_GET_INFO] = handle_get_info, + [KVMI_VM_GET_MAX_GFN] = handle_vm_get_max_gfn, [KVMI_VM_READ_PHYSICAL] = handle_read_physical, [KVMI_VM_WRITE_PHYSICAL] = handle_write_physical, [KVMI_VCPU_PAUSE] = handle_pause_vcpu,

...t;msrs); + + *dest = rpl; + *dest_size = rpl_size; + + return err; +} diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index 9ebf17fa9564..39ff54b4b661 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -28,6 +28,7 @@ enum { KVMI_VCPU_GET_INFO = 8, KVMI_VCPU_PAUSE = 9, KVMI_VCPU_CONTROL_EVENTS = 10, + KVMI_VCPU_GET_REGISTERS = 11, KVMI_NUM_MESSAGES }; diff --git a/tools/testing/selftests/kvm/x86_64/kvmi_test.c b/tools/testing/selftests/kvm/x86_64/kvmi_test.c index da6a06fa0baa..73aafc5d959a 100644 --- a/tools/testing/selftests/kvm/x86_64/kvm...

...KVM: introspection: add KVMI_GET_VERSION KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT KVM: introspection: add KVMI_EVENT_UNHOOK KVM: introspection: add KVMI_VM_CONTROL_EVENTS KVM: introspection: add a jobs list to every introspected vCPU KVM: introspection: add KVMI_VCPU_PAUSE KVM: introspection: add KVMI_EVENT_PAUSE_VCPU KVM: introspection: add KVMI_VM_CONTROL_CLEANUP KVM: introspection: add KVMI_VCPU_GET_XCR KVM: introspection: add KVMI_VCPU_SET_XSAVE KVM: introspection: extend KVMI_GET_VERSION with struct kvmi_features KVM: introspection: add KVMI_VCPU_TRA...

...ntrospection events. This command can be used with +the following events:: + + KVMI_EVENT_HYPERCALL When an event is enabled, the introspection tool is notified and it must reply with: continue, retry, crash, etc. (see **Events** below). @@ -764,3 +767,34 @@ This event is sent in response to a *KVMI_VCPU_PAUSE* command. This event has a low priority. It will be sent after any other vCPU introspection event and when no vCPU introspection command is queued. + +3. KVMI_EVENT_HYPERCALL +----------------------- + +:Architectures: x86 +:Versions: >= 1 +:Actions: CONTINUE, CRASH +:Parameters: + +:: + + s...

...ospection/kvmi_int.h @@ -26,6 +26,7 @@ | BIT(KVMI_EVENT_CR) \ | BIT(KVMI_EVENT_DESCRIPTOR) \ | BIT(KVMI_EVENT_HYPERCALL) \ + | BIT(KVMI_EVENT_MSR) \ | BIT(KVMI_EVENT_TRAP) \ | BIT(KVMI_EVENT_PAUSE_VCPU) \ | BIT(KVMI_EVENT_XSETBV) \ @@ -46,6 +47,7 @@ | BIT(KVMI_VCPU_PAUSE) \ | BIT(KVMI_VCPU_CONTROL_CR) \ | BIT(KVMI_VCPU_CONTROL_EVENTS) \ + | BIT(KVMI_VCPU_CONTROL_MSR) \ | BIT(KVMI_VCPU_GET_CPUID) \ | BIT(KVMI_VCPU_GET_MTRR_TYPE) \ | BIT(KVMI_VCPU_GET_REGISTERS) \ @@ -143,5 +145,7 @@ int kvmi_arch_cmd_vcpu_get_xsave(struct kvm_vcpu *vcpu,...

...@@ -23,6 +23,7 @@ ) #define KVMI_KNOWN_VCPU_EVENTS ( \ BIT(KVMI_EVENT_BREAKPOINT) \ + | BIT(KVMI_EVENT_CR) \ | BIT(KVMI_EVENT_HYPERCALL) \ | BIT(KVMI_EVENT_PAUSE_VCPU) \ ) @@ -39,6 +40,7 @@ | BIT(KVMI_VM_WRITE_PHYSICAL) \ | BIT(KVMI_VCPU_GET_INFO) \ | BIT(KVMI_VCPU_PAUSE) \ + | BIT(KVMI_VCPU_CONTROL_CR) \ | BIT(KVMI_VCPU_CONTROL_EVENTS) \ | BIT(KVMI_VCPU_GET_CPUID) \ | BIT(KVMI_VCPU_GET_REGISTERS) \ @@ -64,6 +66,9 @@ bool kvmi_sock_get(struct kvm_introspection *kvmi, int fd); void kvmi_sock_shutdown(struct kvm_introspection *kvmi); void kvmi_sock_pu...