diff options
| -rw-r--r-- | sbin/mdconfig/Makefile | 9 | ||||
| -rw-r--r-- | sbin/mdconfig/mdconfig.c | 101 |
2 files changed, 110 insertions, 0 deletions
diff --git a/sbin/mdconfig/Makefile b/sbin/mdconfig/Makefile new file mode 100644 index 000000000000..2232153b75bd --- /dev/null +++ b/sbin/mdconfig/Makefile @@ -0,0 +1,9 @@ +# $FreeBSD$ + +PROG= mdconfig +#MAN8= mdconfig.8 +#CFLAGS+= -g -static -Wall +#MLINKS= mdconfig.8 swapfile.8 mdconfig.8 vnconfig.8 +NOMAN= not_yet + +.include <bsd.prog.mk> diff --git a/sbin/mdconfig/mdconfig.c b/sbin/mdconfig/mdconfig.c new file mode 100644 index 000000000000..0186e187fd1e --- /dev/null +++ b/sbin/mdconfig/mdconfig.c @@ -0,0 +1,101 @@ +/* + * ---------------------------------------------------------------------------- + * "THE BEER-WARE LICENSE" (Revision 42): + * <phk@FreeBSD.ORG> wrote this file. As long as you retain this notice you + * can do whatever you want with this stuff. If we meet some day, and you think + * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp + * ---------------------------------------------------------------------------- + * + * $FreeBSD$ + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <unistd.h> +#include <string.h> +#include <err.h> +#include <sys/ioctl.h> +#include <sys/param.h> +#include <sys/mdioctl.h> + +struct md_ioctl mdio; + +enum {UNSET, ATTACH, DETACH} action = UNSET; + +int +main(int argc, char **argv) +{ + int ch, fd, i; + + mdio.md_options = MD_CLUSTER | MD_AUTOUNIT; + + for (;;) { + ch = getopt(argc, argv, "adf:o:s:t:u:"); + if (ch == -1) + break; + switch (ch) { + case 'a': + action = ATTACH; + break; + case 'd': + action = DETACH; + break; + case 'f': + strncpy(mdio.md_file, optarg, sizeof(mdio.md_file) - 1); + break; + case 'o': + if (!strcmp(optarg, "cluster")) + mdio.md_options |= MD_CLUSTER; + else if (!strcmp(optarg, "nocluster")) + mdio.md_options &= ~MD_CLUSTER; + else if (!strcmp(optarg, "reserve")) + mdio.md_options |= MD_RESERVE; + else if (!strcmp(optarg, "noreserve")) + mdio.md_options &= ~MD_RESERVE; + else if (!strcmp(optarg, "autounit")) + mdio.md_options |= MD_AUTOUNIT; + else if (!strcmp(optarg, "noautounit")) + mdio.md_options &= ~MD_AUTOUNIT; + else + errx(1, "Unknown option."); + break; + case 's': + mdio.md_size = strtoul(optarg, NULL, 0); + break; + case 't': + if (!strcmp(optarg, "malloc")) + mdio.md_type = MD_MALLOC; + else if (!strcmp(optarg, "preload")) + mdio.md_type = MD_PRELOAD; + else if (!strcmp(optarg, "vnode")) + mdio.md_type = MD_VNODE; + else if (!strcmp(optarg, "swap")) + mdio.md_type = MD_SWAP; + else + errx(1, "Unknown type."); + break; + case 'u': + mdio.md_unit = strtoul(optarg, NULL, 0); + mdio.md_options &= ~MD_AUTOUNIT; + break; + default: + errx(1, "Usage: %s [-ad] [-f file] [-o option] [-s size] [-t type ] [-u unit].", argv[0]); + } + } + + fd = open("/dev/mdctl", O_RDWR, 0); + if (fd < 0) + err(1, "/dev/mdctl"); + if (action == ATTACH) + i = ioctl(fd, MDIOCATTACH, &mdio); + else if (action == DETACH) + i = ioctl(fd, MDIOCDETACH, &mdio); + else + errx(1, "Neither -a(ttach) nor -d(etach) options present."); + if (i < 0) + err(1, "ioctl(/dev/mdctl)"); + return (0); +} + |