search for: kvmi_known_vcpu_ev

...al, no_padding, -KVM_EINVAL); diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index 2c7533a966f9..5382569b190b 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -114,6 +114,7 @@ static void setup_known_events(void) set_bit(KVMI_EVENT_MSR, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_PAUSE_VCPU, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_PF, Kvmi_known_vcpu_events); + set_bit(KVMI_EVENT_SINGLESTEP, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_TRAP, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_XSETBV, Kvmi_known_vcpu_events); @@ -1321,3 +1322,62...

...k_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index d4b39d0800ee..761d3fccddce 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -102,6 +102,7 @@ static void setup_known_events(void) set_bit(KVMI_EVENT_HYPERCALL, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_PAUSE_VCPU, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_TRAP, Kvmi_known_vcpu_events); + set_bit(KVMI_EVENT_XSETBV, Kvmi_known_vcpu_events); bitmap_or(Kvmi_known_events, Kvmi_known_vm_events, Kvmi_known_vcpu_events, KVMI_NUM_EVENTS);

...unhook_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index a1bc9570ac1c..aa8a0708cc1c 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -101,6 +101,7 @@ static void setup_known_events(void) set_bit(KVMI_EVENT_CR, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_DESCRIPTOR, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_HYPERCALL, Kvmi_known_vcpu_events); + set_bit(KVMI_EVENT_MSR, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_PAUSE_VCPU, Kvmi_known_vcpu_events); set_bit(KVMI_EVENT_TRAP, Kvmi_known_vcpu_events); set_bit(KVMI_EV...

...kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -13,6 +13,8 @@ static DECLARE_BITMAP(Kvmi_always_allowed_commands, KVMI_NUM_COMMANDS); static DECLARE_BITMAP(Kvmi_known_events, KVMI_NUM_EVENTS); +static DECLARE_BITMAP(Kvmi_known_vm_events, KVMI_NUM_EVENTS); +static DECLARE_BITMAP(Kvmi_known_vcpu_events, KVMI_NUM_EVENTS); static struct kmem_cache *msg_cache; @@ -67,7 +69,13 @@ static void setup_always_allowed_commands(void) static void setup_known_events(void) { - bitmap_zero(Kvmi_known_events, KVMI_NUM_EVENTS); + bitmap_zero(Kvmi_known_vm_events, KVMI_NUM_EVENTS); + set_bit(KVMI_EVEN...

...250f7d 100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -18,7 +18,12 @@ #define KVMI_MSG_SIZE_ALLOC (sizeof(struct kvmi_msg_hdr) + KVMI_MSG_SIZE) -#define KVMI_KNOWN_EVENTS 0 +#define KVMI_KNOWN_VM_EVENTS ( \ + BIT(KVMI_EVENT_UNHOOK) \ + ) +#define KVMI_KNOWN_VCPU_EVENTS 0 + +#define KVMI_KNOWN_EVENTS (KVMI_KNOWN_VM_EVENTS | KVMI_KNOWN_VCPU_EVENTS) #define KVMI_KNOWN_COMMANDS ( \ BIT(KVMI_GET_VERSION) \ @@ -34,6 +39,7 @@ bool kvmi_sock_get(struct kvm_introspection *kvmi, int fd); void kvmi_sock_shutdown(struct kvm_introspection *kvmi); void kvmi_sock...

...vcpu->kvm); + + return ret; +} diff --git a/virt/kvm/introspection/kvmi_int.h b/virt/kvm/introspection/kvmi_int.h index 1b3d8958e6c8..3dbcf944a606 100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -22,7 +22,8 @@ BIT(KVMI_EVENT_UNHOOK) \ ) #define KVMI_KNOWN_VCPU_EVENTS ( \ - BIT(KVMI_EVENT_PAUSE_VCPU) \ + BIT(KVMI_EVENT_HYPERCALL) \ + | BIT(KVMI_EVENT_PAUSE_VCPU) \ ) #define KVMI_KNOWN_EVENTS (KVMI_KNOWN_VM_EVENTS | KVMI_KNOWN_VCPU_EVENTS) @@ -52,6 +53,11 @@ static inline bool is_vm_event_enabled(struct kvm_introspection *kvmi, return te...

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place

...100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -27,6 +27,7 @@ | BIT(KVMI_EVENT_HYPERCALL) \ | BIT(KVMI_EVENT_TRAP) \ | BIT(KVMI_EVENT_PAUSE_VCPU) \ + | BIT(KVMI_EVENT_XSETBV) \ ) #define KVMI_KNOWN_EVENTS (KVMI_KNOWN_VM_EVENTS | KVMI_KNOWN_VCPU_EVENTS) diff --git a/virt/kvm/introspection/kvmi_msg.c b/virt/kvm/introspection/kvmi_msg.c index 94fab70b56fa..ba2d7c6acb22 100644 --- a/virt/kvm/introspection/kvmi_msg.c +++ b/virt/kvm/introspection/kvmi_msg.c @@ -956,3 +956,42 @@ u32 kvmi_msg_send_bp(struct kvm_vcpu *vcpu, u64 gpa, u8 insn_len)...

...u_cmd_job *job, + const struct kvmi_msg_hdr *msg, + const void *_req) +{ + struct kvm_introspection *kvmi = KVMI(job->vcpu->kvm); + const struct kvmi_vcpu_control_events *req = _req; + DECLARE_BITMAP(known_events, KVMI_NUM_EVENTS); + int ec; + + bitmap_from_u64(known_events, KVMI_KNOWN_VCPU_EVENTS); + + if (req->padding1 || req->padding2) + ec = -KVM_EINVAL; + else if (req->event_id >= KVMI_NUM_EVENTS) + ec = -KVM_EINVAL; + else if (!test_bit(req->event_id, known_events)) + ec = -KVM_EINVAL; + else if (!is_event_allowed(kvmi, req->event_id)) + ec = -KVM_EPERM; + els...

...539e917a..76119a4b69d8 100644 --- a/virt/kvm/kvmi_int.h +++ b/virt/kvm/kvmi_int.h @@ -23,6 +23,8 @@ #define kvmi_err(ikvm, fmt, ...) \ kvm_info("%pU ERROR: " fmt, &ikvm->uuid, ## __VA_ARGS__) +#define KVMI_MSG_SIZE_ALLOC (sizeof(struct kvmi_msg_hdr) + KVMI_MSG_SIZE) + #define KVMI_KNOWN_VCPU_EVENTS ( \ BIT(KVMI_EVENT_CR) | \ BIT(KVMI_EVENT_MSR) | \ @@ -91,4 +93,9 @@ void kvmi_sock_shutdown(struct kvmi *ikvm); void kvmi_sock_put(struct kvmi *ikvm); bool kvmi_msg_process(struct kvmi *ikvm); +/* kvmi.c */ +void *kvmi_msg_alloc(void); +void *kvmi_msg_alloc_check(size_t size); +void...

...m); + test_cmd_vm_set_page_access(vm); unhook_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index aa8a0708cc1c..b57ad490dd06 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -21,6 +21,11 @@ static DECLARE_BITMAP(Kvmi_known_vcpu_events, KVMI_NUM_EVENTS); static struct kmem_cache *msg_cache; static struct kmem_cache *job_cache; +static struct kmem_cache *radix_cache; + +static const u8 full_access = KVMI_PAGE_ACCESS_R | + KVMI_PAGE_ACCESS_W | + KVMI_PAGE_ACCESS_X; void *kvmi_msg_alloc(void) { @@ -39,6 +44,8 @@ s...

...+ test_cmd_vcpu_control_cr(vm); unhook_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi_int.h b/virt/kvm/introspection/kvmi_int.h index 06792c0ba6e6..c2f613e5304e 100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -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)...

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place