1 /* $NetBSD: t_modautoload.c,v 1.2 2014/03/10 22:38:53 pooka Exp $ */ 2 3 #include <sys/types.h> 4 #include <sys/mount.h> 5 #include <sys/module.h> 6 #include <sys/dirent.h> 7 #include <sys/sysctl.h> 8 9 #include <atf-c.h> 10 #include <err.h> 11 #include <errno.h> 12 #include <fcntl.h> 13 #include <stdio.h> 14 #include <unistd.h> 15 #include <string.h> 16 #include <stdlib.h> 17 18 #include <rump/rump.h> 19 #include <rump/rump_syscalls.h> 20 21 #include <miscfs/kernfs/kernfs.h> 22 23 #include "../../h_macros.h" 24 25 ATF_TC(modautoload); 26 ATF_TC_HEAD(modautoload, tc) 27 { 28 29 atf_tc_set_md_var(tc, "descr", "tests that kernel module " 30 "autoload works in rump"); 31 } 32 33 static void 34 mountkernfs(void) 35 { 36 37 if (!rump_nativeabi_p()) 38 atf_tc_skip("host kernel modules not supported"); 39 40 rump_init(); 41 42 if (rump_sys_mkdir("/kern", 0777) == -1) 43 atf_tc_fail_errno("mkdir /kern"); 44 if (rump_sys_mount(MOUNT_KERNFS, "/kern", 0, NULL, 0) == -1) 45 atf_tc_fail_errno("could not mount kernfs"); 46 } 47 48 /* 49 * Why use kernfs here? It talks to plenty of other parts with the 50 * kernel (e.g. vfs_attach() in modcmd), but is still easy to verify 51 * it's working correctly. 52 */ 53 54 #define MAGICNUM 1323 55 ATF_TC_BODY(modautoload, tc) 56 { 57 extern int rumpns_hz; 58 char buf[64]; 59 int fd; 60 61 mountkernfs(); 62 rumpns_hz = MAGICNUM; 63 if ((fd = rump_sys_open("/kern/hz", O_RDONLY)) == -1) 64 atf_tc_fail_errno("open /kern/hz"); 65 if (rump_sys_read(fd, buf, sizeof(buf)) <= 0) 66 atf_tc_fail_errno("read"); 67 ATF_REQUIRE(atoi(buf) == MAGICNUM); 68 } 69 70 ATF_TP_ADD_TCS(tp) 71 { 72 ATF_TP_ADD_TC(tp, modautoload); 73 74 return atf_no_error(); 75 } 76