1*738ca054Spgoyette /* $NetBSD: t_modautoload.c,v 1.3 2015/12/27 06:36:36 pgoyette Exp $ */ 25c21ec6fSpooka 35c21ec6fSpooka #include <sys/types.h> 45c21ec6fSpooka #include <sys/mount.h> 55c21ec6fSpooka #include <sys/module.h> 65c21ec6fSpooka #include <sys/dirent.h> 75c21ec6fSpooka #include <sys/sysctl.h> 85c21ec6fSpooka 95c21ec6fSpooka #include <atf-c.h> 105c21ec6fSpooka #include <err.h> 115c21ec6fSpooka #include <errno.h> 125c21ec6fSpooka #include <fcntl.h> 135c21ec6fSpooka #include <stdio.h> 145c21ec6fSpooka #include <unistd.h> 155c21ec6fSpooka #include <string.h> 165c21ec6fSpooka #include <stdlib.h> 175c21ec6fSpooka 185c21ec6fSpooka #include <rump/rump.h> 195c21ec6fSpooka #include <rump/rump_syscalls.h> 205c21ec6fSpooka 215c21ec6fSpooka #include <miscfs/kernfs/kernfs.h> 225c21ec6fSpooka 235c21ec6fSpooka #include "../../h_macros.h" 245c21ec6fSpooka 255c21ec6fSpooka ATF_TC(modautoload); 265c21ec6fSpooka ATF_TC_HEAD(modautoload, tc) 275c21ec6fSpooka { 285c21ec6fSpooka 295c21ec6fSpooka atf_tc_set_md_var(tc, "descr", "tests that kernel module " 305c21ec6fSpooka "autoload works in rump"); 315c21ec6fSpooka } 325c21ec6fSpooka 335c21ec6fSpooka static void 345c21ec6fSpooka mountkernfs(void) 355c21ec6fSpooka { 36*738ca054Spgoyette bool old_autoload, new_autoload; 37*738ca054Spgoyette size_t old_len, new_len; 38*738ca054Spgoyette int error; 395c21ec6fSpooka 40495782eeSpooka if (!rump_nativeabi_p()) 41495782eeSpooka atf_tc_skip("host kernel modules not supported"); 425c21ec6fSpooka 435c21ec6fSpooka rump_init(); 445c21ec6fSpooka 455c21ec6fSpooka if (rump_sys_mkdir("/kern", 0777) == -1) 465c21ec6fSpooka atf_tc_fail_errno("mkdir /kern"); 47*738ca054Spgoyette 48*738ca054Spgoyette new_autoload = new_verbose = true; 49*738ca054Spgoyette new_len = sizeof(new_autoload); 50*738ca054Spgoyette error = sysctlbyname("kern.module.autoload", 51*738ca054Spgoyette &old_autoload, &old_len, 52*738ca054Spgoyette &new_autoload, new_len); 53*738ca054Spgoyette if (error != 0) 54*738ca054Spgoyette atf_tc_fail_errno("could not enable module autoload"); 55*738ca054Spgoyette 565c21ec6fSpooka if (rump_sys_mount(MOUNT_KERNFS, "/kern", 0, NULL, 0) == -1) 575c21ec6fSpooka atf_tc_fail_errno("could not mount kernfs"); 585c21ec6fSpooka } 595c21ec6fSpooka 605c21ec6fSpooka /* 615c21ec6fSpooka * Why use kernfs here? It talks to plenty of other parts with the 625c21ec6fSpooka * kernel (e.g. vfs_attach() in modcmd), but is still easy to verify 635c21ec6fSpooka * it's working correctly. 645c21ec6fSpooka */ 655c21ec6fSpooka 665c21ec6fSpooka #define MAGICNUM 1323 675c21ec6fSpooka ATF_TC_BODY(modautoload, tc) 685c21ec6fSpooka { 695c21ec6fSpooka extern int rumpns_hz; 705c21ec6fSpooka char buf[64]; 715c21ec6fSpooka int fd; 725c21ec6fSpooka 735c21ec6fSpooka mountkernfs(); 745c21ec6fSpooka rumpns_hz = MAGICNUM; 755c21ec6fSpooka if ((fd = rump_sys_open("/kern/hz", O_RDONLY)) == -1) 765c21ec6fSpooka atf_tc_fail_errno("open /kern/hz"); 775c21ec6fSpooka if (rump_sys_read(fd, buf, sizeof(buf)) <= 0) 785c21ec6fSpooka atf_tc_fail_errno("read"); 795c21ec6fSpooka ATF_REQUIRE(atoi(buf) == MAGICNUM); 805c21ec6fSpooka } 815c21ec6fSpooka 825c21ec6fSpooka ATF_TP_ADD_TCS(tp) 835c21ec6fSpooka { 845c21ec6fSpooka ATF_TP_ADD_TC(tp, modautoload); 855c21ec6fSpooka 865c21ec6fSpooka return atf_no_error(); 875c21ec6fSpooka } 88