plugin: allow retrieving and setting VM and VCPU states

This change allows plugin to retrieve and set various VM and VCPU states:
interrupt controller, PIT, LAPIC and MP state.

BUG=b:76083711
TEST=cargo test -p kvm

Change-Id: Ie32a67b0cd4a1f0a19ccd826a6e1c9dc25670f95
Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/986511
Reviewed-by: Zach Reizner <zachr@chromium.org>

1 files changed, 38 insertions, 1 deletions

diff --git a/crosvm_plugin/crosvm.h b/crosvm_plugin/crosvm.h
index 30b32c1..c7589e2 100644
--- a/crosvm_plugin/crosvm.h
+++ b/crosvm_plugin/crosvm.h
@@ -47,7 +47,7 @@ extern "C" {
  * do not indicate anything about what version of crosvm is running.
  */
 #define CROSVM_API_MAJOR 0
-#define CROSVM_API_MINOR 12
+#define CROSVM_API_MINOR 13
 #define CROSVM_API_PATCH 0
 
 enum crosvm_address_space {
@@ -222,6 +222,29 @@ static_assert(sizeof(struct crosvm_irq_route) == 24,
 int crosvm_set_irq_routing(struct crosvm*, uint32_t __route_count,
                            const struct crosvm_irq_route* __routes);
 
+/* Gets the state of interrupt controller in a VM. */
+int crosvm_get_pic_state(struct crosvm *, bool __primary,
+                         struct kvm_pic_state *__pic_state);
+
+/* Sets the state of interrupt controller in a VM. */
+int crosvm_set_pic_state(struct crosvm *, bool __primary,
+                         struct kvm_pic_state *__pic_state);
+
+/* Gets the state of IOAPIC in a VM. */
+int crosvm_get_ioapic_state(struct crosvm *,
+                            struct kvm_ioapic_state *__ioapic_state);
+
+/* Sets the state of IOAPIC in a VM. */
+int crosvm_set_ioapic_state(struct crosvm *,
+                            struct kvm_ioapic_state *__ioapic_state);
+
+/* Gets the state of interrupt controller in a VM. */
+int crosvm_get_pit_state(struct crosvm *, struct kvm_pit_state2 *__pit_state);
+
+/* Sets the state of interrupt controller in a VM. */
+int crosvm_set_pit_state(struct crosvm *,
+                         const struct kvm_pit_state2 *__pit_state);
+
 /* Sets the identity map address as in the KVM_SET_IDENTITY_MAP_ADDR ioctl. */
 int crosvm_set_identity_map_addr(struct crosvm*, uint32_t __addr);
 
@@ -483,6 +506,20 @@ int crosvm_vcpu_set_msrs(struct crosvm_vcpu*, uint32_t __msr_count,
 int crosvm_vcpu_set_cpuid(struct crosvm_vcpu*, uint32_t __cpuid_count,
                           const struct kvm_cpuid_entry2 *__cpuid_entries);
 
+/* Gets state of LAPIC of the VCPU. */
+int crosvm_vcpu_get_lapic_state(struct crosvm_vcpu *,
+                                struct kvm_lapic_state *__lapic_state);
+/* Sets state of LAPIC of the VCPU. */
+int crosvm_vcpu_set_lapic_state(struct crosvm_vcpu *,
+                                const struct kvm_lapic_state *__lapic_state);
+
+/* Gets the "multiprocessor state" of given VCPU. */
+int crosvm_vcpu_get_mp_state(struct crosvm_vcpu *,
+                             struct kvm_mp_state *__mp_state);
+/* Sets the "multiprocessor state" of given VCPU. */
+int crosvm_vcpu_set_mp_state(struct crosvm_vcpu *,
+                             const struct kvm_mp_state *__mp_state);
+
 #ifdef  __cplusplus
 }
 #endif