/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright 2025 Oxide Computer Company
 */


#include <stdio.h>
#include <unistd.h>
#include <stropts.h>
#include <strings.h>
#include <signal.h>
#include <setjmp.h>
#include <libgen.h>

#include <sys/vmm.h>
#include <sys/vmm_dev.h>
#include <sys/mman.h>
#include <vmmapi.h>

#include "common.h"

#define TEST_SEGID      0
#define PAGE_SZ         4096
#define MBYTE           (1024 * 1024)
#define GBYTE           (1024 * MBYTE)

#define MAP_OFF         ((512UL * GBYTE) - PAGE_SZ)
#define SEG_SZ          (4 * MBYTE)
#define PAGE_CNT        (SEG_SZ / PAGE_SZ)

int
main(int argc, char *argv[])
{
        struct vmctx *ctx;
        int res;
        const char *suite_name = basename(argv[0]);

        ctx = create_test_vm(suite_name);
        if (ctx == NULL) {
                perror("could open test VM");
                return (1);
        }

        res = alloc_memseg(ctx, TEST_SEGID, SEG_SZ, "test_seg");
        if (res != 0) {
                perror("could not alloc memseg");
                goto bail;
        }

        res = vm_mmap_memseg(ctx, MAP_OFF, TEST_SEGID, 0, SEG_SZ, PROT_ALL);
        if (res != 0) {
                perror("could not map memseg into vmspace");
                goto bail;
        }

        res = vm_munmap_memseg(ctx, MAP_OFF, SEG_SZ);
        if (res != 0) {
                perror("could not unmap memseg");
                goto bail;
        }

        /* mission accomplished */
        vm_destroy(ctx);
        (void) printf("%s\tPASS\n", suite_name);
        return (0);

bail:
        vm_destroy(ctx);
        return (1);
}