1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright 2022 Oxide Computer Company 14 */ 15 16 #include <stdio.h> 17 #include <unistd.h> 18 #include <stdlib.h> 19 #include <fcntl.h> 20 #include <libgen.h> 21 #include <sys/stat.h> 22 #include <errno.h> 23 #include <err.h> 24 #include <assert.h> 25 26 #include <sys/vmm.h> 27 #include <sys/vmm_dev.h> 28 #include <vmmapi.h> 29 30 #include "common.h" 31 32 int 33 main(int argc, char *argv[]) 34 { 35 const char *suite_name = basename(argv[0]); 36 struct vmctx *ctx; 37 struct vcpu *vcpu; 38 39 ctx = create_test_vm(suite_name); 40 if (ctx == NULL) { 41 errx(EXIT_FAILURE, "could open test VM"); 42 } 43 44 /* 45 * It would be odd if we had the freshly created VM instance, but it did 46 * not appear to exist. 47 */ 48 assert(check_instance_usable(suite_name)); 49 50 if ((vcpu = vm_vcpu_open(ctx, 0)) == NULL) { 51 err(EXIT_FAILURE, "Could not open vcpu0"); 52 } 53 54 /* Ensure sure that auto-destruct is off */ 55 if (ioctl(vm_get_device_fd(ctx), VM_SET_AUTODESTRUCT, 0) != 0) { 56 errx(EXIT_FAILURE, "could not disable auto-destruct"); 57 } 58 59 if (ioctl(vm_get_device_fd(ctx), VM_DESTROY_SELF, 0) != 0) { 60 errx(EXIT_FAILURE, "ioctl(VM_DESTROY_SELF) failed"); 61 } 62 63 /* 64 * Since we still hold the instance open, we expect it to still exist in 65 * /dev/vmm, but be useless for further operations 66 */ 67 if (!check_instance_exists(suite_name)) { 68 err(EXIT_FAILURE, 69 "instance missing after unfinished destroy"); 70 } 71 72 /* Attempt an operation on our still-open handle */ 73 uint64_t reg = 0; 74 if (vm_get_register(vcpu, VM_REG_GUEST_RAX, ®) == 0) { 75 err(EXIT_FAILURE, 76 "VM_GET_REGISTER succeeded despite instance destruction"); 77 } 78 /* Check usability via the dedicated ioctl */ 79 if (check_instance_usable(suite_name)) { 80 err(EXIT_FAILURE, 81 "instance not reporting in-progress destruction"); 82 } 83 84 85 vm_vcpu_close(vcpu); 86 vm_close(ctx); 87 ctx = NULL; 88 89 /* Make doubly-sure the VM is gone after close */ 90 if (check_instance_exists(suite_name)) { 91 err(EXIT_FAILURE, "instance still accessible after destroy"); 92 } 93 94 (void) printf("%s\tPASS\n", suite_name); 95 return (EXIT_SUCCESS); 96 } 97