13275 bhyve needs richer INIT/SIPI support
Reviewed by: Robert Mustacchi <rm@fingolfin.org>
Approved by: Gordon Ross <gordon.w.ross@gmail.com>

@@ -257,10 +257,32 @@
         uint64_t        gpa;
         uint64_t        value;
 };
 _Static_assert(sizeof(struct vm_readwrite_kernemu_device) == 24, "ABI");
 
+enum vcpu_reset_kind {
+        VRK_RESET = 0,
+        /*
+         * The reset performed by an INIT IPI clears much of the CPU state, but
+         * some portions are left untouched, unlike VRK_RESET, which represents
+         * a "full" reset as if the system was freshly powered on.
+         */
+        VRK_INIT = 1,
+};
+
+struct vm_vcpu_reset {
+        int             vcpuid;
+        uint32_t        kind;   /* contains: enum vcpu_reset_kind */
+};
+
+struct vm_run_state {
+        int             vcpuid;
+        uint32_t        state;  /* of enum cpu_init_status type */
+        uint8_t         sipi_vector;    /* vector of SIPI, if any */
+        uint8_t         _pad[3];
+};
+
 #define VMMCTL_IOC_BASE         (('V' << 16) | ('M' << 8))
 #define VMM_IOC_BASE            (('v' << 16) | ('m' << 8))
 #define VMM_LOCK_IOC_BASE       (('v' << 16) | ('l' << 8))
 #define VMM_CPU_IOC_BASE        (('v' << 16) | ('p' << 8))
 

@@ -289,10 +311,13 @@
 #define VM_SET_INTINFO                  (VMM_CPU_IOC_BASE | 0x11)
 #define VM_GET_INTINFO                  (VMM_CPU_IOC_BASE | 0x12)
 #define VM_RESTART_INSTRUCTION          (VMM_CPU_IOC_BASE | 0x13)
 #define VM_SET_KERNEMU_DEV              (VMM_CPU_IOC_BASE | 0x14)
 #define VM_GET_KERNEMU_DEV              (VMM_CPU_IOC_BASE | 0x15)
+#define VM_RESET_CPU                    (VMM_CPU_IOC_BASE | 0x16)
+#define VM_GET_RUN_STATE                (VMM_CPU_IOC_BASE | 0x17)
+#define VM_SET_RUN_STATE                (VMM_CPU_IOC_BASE | 0x18)
 
 /* Operations requiring write-locking the VM */
 #define VM_REINIT               (VMM_LOCK_IOC_BASE | 0x01)
 #define VM_BIND_PPTDEV          (VMM_LOCK_IOC_BASE | 0x02)
 #define VM_UNBIND_PPTDEV        (VMM_LOCK_IOC_BASE | 0x03)