hv: add hypercall to set vcpu init state

DM will use this hypercall to initialize the UOS BSP state.

Tracked-On: #1231
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

hypervisor/include/public/acrn_common.h

@@ -310,6 +310,22 @@ struct acrn_vcpu_regs {
 	uint16_t        reserved_16[4];
 };
 
+/**
+ * @brief Info to set vcpu state
+ *
+ * the pamameter for HC_SET_VCPU_STATE
+ */
+struct acrn_set_vcpu_regs {
+	/** the virtual CPU ID for the VCPU to set state */
+	uint16_t vcpu_id;
+
+	/** reserved space to make cpu_state aligned to 8 bytes */
+	uint16_t reserved0[3];
+
+	/** the structure to hold vcpu state */
+	struct acrn_vcpu_regs vcpu_regs;
+} __attribute__((aligned(8)));
+
 /**
  * @brief Info to set ioreq buffer for a created VM
  *