search for: free_fct

...x ca2db8043a53..1d80d233fbd5 100644 --- a/include/linux/kvmi_host.h +++ b/include/linux/kvmi_host.h @@ -11,8 +11,18 @@ struct kvm_vcpu; #define KVMI_NUM_COMMANDS KVMI_NUM_MESSAGES +struct kvmi_job { + struct list_head link; + void *ctx; + void (*fct)(struct kvm_vcpu *vcpu, void *ctx); + void (*free_fct)(void *ctx); +}; + struct kvm_vcpu_introspection { struct kvm_vcpu_arch_introspection arch; + + struct list_head job_list; + spinlock_t job_lock; }; struct kvm_introspection { diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index 655170ffb574..5149f8e06131 100644 -...

...nit(void) kvmi_cache_destroy(); } +static void kvmi_make_request(struct kvm_vcpu *vcpu) +{ + kvm_make_request(KVM_REQ_INTROSPECTION, vcpu); + kvm_vcpu_kick(vcpu); +} + static int __kvmi_add_job(struct kvm_vcpu *vcpu, void (*fct)(struct kvm_vcpu *vcpu, void *ctx), void *ctx, void (*free_fct)(void *ctx)) @@ -96,6 +102,9 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, err = __kvmi_add_job(vcpu, fct, ctx, free_fct); + if (!err) + kvmi_make_request(vcpu); + return err; } @@ -217,6 +226,7 @@ static void __kvmi_unhook(struct kvm *kvm) { struct kvm_introspection *kvmi = KVMI(kvm);...

...k; } + if (!need_to_wait(vcpu)) + break; + kvmi_add_job(vcpu, kvmi_job_wait, NULL, NULL); } diff --git a/virt/kvm/kvmi_int.h b/virt/kvm/kvmi_int.h index 33ea05cb99af..70c8ca0343a3 100644 --- a/virt/kvm/kvmi_int.h +++ b/virt/kvm/kvmi_int.h @@ -82,7 +82,18 @@ struct kvmi_job { void (*free_fct)(void *ctx); }; +struct kvmi_vcpu_reply { + int error; + int action; + u32 seq; + void *data; + size_t size; +}; + struct kvmi_vcpu { + bool reply_waiting; + struct kvmi_vcpu_reply reply; + struct list_head job_list; spinlock_t job_lock; @@ -96,6 +107,7 @@ struct kvmi { struct socket...

...int.h @@ -55,6 +55,9 @@ int kvmi_msg_send_unhook(struct kvm_introspection *kvmi); void *kvmi_msg_alloc(void); void *kvmi_msg_alloc_check(size_t size); void kvmi_msg_free(void *addr); +int kvmi_add_job(struct kvm_vcpu *vcpu, + void (*fct)(struct kvm_vcpu *vcpu, void *ctx), + void *ctx, void (*free_fct)(void *ctx)); int kvmi_cmd_vm_control_events(struct kvm_introspection *kvmi, unsigned int event_id, bool enable); int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, u64 size, diff --git a/virt/kvm/introspection/kvmi_msg.c b/virt/kvm/introspection/kvmi_msg.c index 032b6b5b8000..94225153f7cc...

...,6 +34,9 @@ void kvmi_msg_free(void *addr); bool kvmi_is_command_allowed(struct kvm_introspection *kvmi, u16 id); bool kvmi_is_known_event(u8 id); bool kvmi_is_known_vm_event(u8 id); +int kvmi_add_job(struct kvm_vcpu *vcpu, + void (*fct)(struct kvm_vcpu *vcpu, void *ctx), + void *ctx, void (*free_fct)(void *ctx)); int kvmi_cmd_vm_control_events(struct kvm_introspection *kvmi, unsigned int event_id, bool enable); int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, size_t size, diff --git a/virt/kvm/introspection/kvmi_msg.c b/virt/kvm/introspection/kvmi_msg.c index de9e38e8e24b..31a471df4...

...*kvmi); int kvmi_msg_send_unhook(struct kvm_introspection *kvmi); u32 kvmi_msg_send_vcpu_pause(struct kvm_vcpu *vcpu); +u32 kvmi_msg_send_hypercall(struct kvm_vcpu *vcpu); /* kvmi.c */ void *kvmi_msg_alloc(void); @@ -69,6 +76,8 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, void *ctx, void (*free_fct)(void *ctx)); void kvmi_run_jobs(struct kvm_vcpu *vcpu); void kvmi_post_reply(struct kvm_vcpu *vcpu); +void kvmi_handle_common_event_actions(struct kvm *kvm, + u32 action, const char *str); int kvmi_cmd_vm_control_events(struct kvm_introspection *kvmi, unsigned int event_id, bool e...

...+static inline bool is_event_enabled(struct kvm_vcpu *vcpu, int event) +{ + return false; /* TODO */ +} + /* kvmi_msg.c */ bool kvmi_sock_get(struct kvmi *ikvm, int fd); void kvmi_sock_shutdown(struct kvmi *ikvm); @@ -138,7 +154,12 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, void *ctx, void (*free_fct)(void *ctx)); /* arch */ +void kvmi_arch_update_page_tracking(struct kvm *kvm, + struct kvm_memory_slot *slot, + struct kvmi_mem_access *m); void kvmi_arch_setup_event(struct kvm_vcpu *vcpu, struct kvmi_event *ev); +bool kvmi_arch_pf_event(struct kvm_vcpu *vcpu, gpa_t gpa, gva_t g...

...E_STEP_MAX_DEPTH 8 + struct { + gfn_t gfn; + u8 old_access; + u32 old_write_bitmap; + } ss_context[SINGLE_STEP_MAX_DEPTH]; + u8 ss_level; + atomic_t ss_active; + struct { bool initialized; atomic_t enabled; @@ -224,6 +236,7 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, void *ctx, void (*free_fct)(void *ctx)); void kvmi_handle_common_event_actions(struct kvm_vcpu *vcpu, u32 action, const char *str); +bool kvmi_start_ss(struct kvm_vcpu *vcpu, gpa_t gpa, u8 access); /* arch */ void kvmi_arch_update_page_tracking(struct kvm *kvm, @@ -274,6 +287,9 @@ int kvmi_arch_cmd_inject_exc...

...ook(struct kvm_introspection *kvmi); +u32 kvmi_msg_send_vcpu_pause(struct kvm_vcpu *vcpu); /* kvmi.c */ void *kvmi_msg_alloc(void); @@ -62,6 +63,7 @@ void kvmi_msg_free(void *addr); int kvmi_add_job(struct kvm_vcpu *vcpu, void (*fct)(struct kvm_vcpu *vcpu, void *ctx), void *ctx, void (*free_fct)(void *ctx)); +void kvmi_run_jobs(struct kvm_vcpu *vcpu); int kvmi_cmd_vm_control_events(struct kvm_introspection *kvmi, unsigned int event_id, bool enable); int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, u64 size, @@ -76,5 +78,6 @@ int kvmi_cmd_vcpu_pause(struct kvm_vcpu *vcpu, bool w...

...t, e.g. struct { struct single_step_context[...]; bool owner; bool requested; u8 level atomic_t active; } single_step; > + > struct { > bool initialized; > atomic_t enabled; > @@ -224,6 +236,7 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, > void *ctx, void (*free_fct)(void *ctx)); > void kvmi_handle_common_event_actions(struct kvm_vcpu *vcpu, u32 action, > const char *str); > +bool kvmi_start_ss(struct kvm_vcpu *vcpu, gpa_t gpa, u8 access); > > /* arch */ > void kvmi_arch_update_page_tracking(struct kvm *kvm, > @@ -274,6 +28...

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 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