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 38 ctx = create_test_vm(suite_name); 39 if (ctx == NULL) { 40 errx(EXIT_FAILURE, "could open test VM"); 41 } 42 43 /* 44 * It would be odd if we had the freshly created VM instance, but it did 45 * not appear to exist. 46 */ 47 assert(check_instance_usable(suite_name)); 48 49 /* Ensure sure that auto-destruct is off */ 50 if (ioctl(vm_get_device_fd(ctx), VM_SET_AUTODESTRUCT, 0) != 0) { 51 errx(EXIT_FAILURE, "could not disable auto-destruct"); 52 } 53 54 if (ioctl(vm_get_device_fd(ctx), VM_DESTROY_SELF, 0) != 0) { 55 errx(EXIT_FAILURE, "ioctl(VM_DESTROY_SELF) failed"); 56 } 57 58 /* 59 * Since we still hold the instance open, we expect it to still exist in 60 * /dev/vmm, but be useless for further operations 61 */ 62 if (!check_instance_exists(suite_name)) { 63 err(EXIT_FAILURE, 64 "instance missing after unfinished destroy"); 65 } 66 67 /* Attempt an operation on our still-open handle */ 68 uint64_t reg = 0; 69 if (vm_get_register(ctx, 0, VM_REG_GUEST_RAX, ®) == 0) { 70 err(EXIT_FAILURE, 71 "VM_GET_REGISTER succeeded despite instance destruction"); 72 } 73 /* Check usability via the dedicated ioctl */ 74 if (check_instance_usable(suite_name)) { 75 err(EXIT_FAILURE, 76 "instance not reporting in-progress destruction"); 77 } 78 79 80 vm_close(ctx); 81 ctx = NULL; 82 83 /* Make doubly-sure the VM is gone after close */ 84 if (check_instance_exists(suite_name)) { 85 err(EXIT_FAILURE, "instance still accessible after destroy"); 86 } 87 88 (void) printf("%s\tPASS\n", suite_name); 89 return (EXIT_SUCCESS); 90 } 91