1ca987d46SWarner Losh /*- 2ca987d46SWarner Losh * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3ca987d46SWarner Losh * Copyright (c) 2006 Marcel Moolenaar 4ca987d46SWarner Losh * All rights reserved. 5ca987d46SWarner Losh * 6ca987d46SWarner Losh * Redistribution and use in source and binary forms, with or without 7ca987d46SWarner Losh * modification, are permitted provided that the following conditions 8ca987d46SWarner Losh * are met: 9ca987d46SWarner Losh * 1. Redistributions of source code must retain the above copyright 10ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer. 11ca987d46SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 12ca987d46SWarner Losh * notice, this list of conditions and the following disclaimer in the 13ca987d46SWarner Losh * documentation and/or other materials provided with the distribution. 14ca987d46SWarner Losh * 15ca987d46SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16ca987d46SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17ca987d46SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18ca987d46SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19ca987d46SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20ca987d46SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21ca987d46SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22ca987d46SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23ca987d46SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24ca987d46SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25ca987d46SWarner Losh * SUCH DAMAGE. 26ca987d46SWarner Losh */ 27ca987d46SWarner Losh 28ca987d46SWarner Losh #include <sys/cdefs.h> 29ca987d46SWarner Losh __FBSDID("$FreeBSD$"); 30ca987d46SWarner Losh 31ca987d46SWarner Losh #include <stand.h> 32ca987d46SWarner Losh #include <string.h> 33ca987d46SWarner Losh #include <sys/disklabel.h> 34ca987d46SWarner Losh #include <sys/param.h> 35ca987d46SWarner Losh #include <bootstrap.h> 36ca987d46SWarner Losh #include <disk.h> 37ca987d46SWarner Losh 38ca987d46SWarner Losh #include <efi.h> 39ca987d46SWarner Losh #include <efilib.h> 403d384d51SWarner Losh #include <efizfs.h> 41ca987d46SWarner Losh 42ca987d46SWarner Losh /* 43ca987d46SWarner Losh * Point (dev) at an allocated device specifier for the device matching the 44ca987d46SWarner Losh * path in (devspec). If it contains an explicit device specification, 45ca987d46SWarner Losh * use that. If not, use the default device. 46ca987d46SWarner Losh */ 47ca987d46SWarner Losh int 48ca987d46SWarner Losh efi_getdev(void **vdev, const char *devspec, const char **path) 49ca987d46SWarner Losh { 50ca987d46SWarner Losh struct devdesc **dev = (struct devdesc **)vdev; 51ca987d46SWarner Losh int rv; 52ca987d46SWarner Losh 53ca987d46SWarner Losh /* 54ca987d46SWarner Losh * If it looks like this is just a path and no device, then 55ca987d46SWarner Losh * use the current device instead. 56ca987d46SWarner Losh */ 57ca987d46SWarner Losh if (devspec == NULL || *devspec == '/' || !strchr(devspec, ':')) { 5877378d79SWarner Losh rv = devparse(dev, getenv("currdev"), NULL); 59ca987d46SWarner Losh if (rv == 0 && path != NULL) 60ca987d46SWarner Losh *path = devspec; 61ca987d46SWarner Losh return (rv); 62ca987d46SWarner Losh } 63ca987d46SWarner Losh 6477378d79SWarner Losh return (devparse(dev, devspec, path)); 65ca987d46SWarner Losh } 66ca987d46SWarner Losh 67ca987d46SWarner Losh /* 68ca987d46SWarner Losh * Set currdev to suit the value being supplied in (value) 69ca987d46SWarner Losh */ 70ca987d46SWarner Losh int 71ca987d46SWarner Losh efi_setcurrdev(struct env_var *ev, int flags, const void *value) 72ca987d46SWarner Losh { 73ca987d46SWarner Losh struct devdesc *ncurr; 74ca987d46SWarner Losh int rv; 75ca987d46SWarner Losh 7677378d79SWarner Losh rv = devparse(&ncurr, value, NULL); 77ca987d46SWarner Losh if (rv != 0) 78ca987d46SWarner Losh return (rv); 79ca987d46SWarner Losh free(ncurr); 80b4cb3fe0SToomas Soome 81b4cb3fe0SToomas Soome return (mount_currdev(ev, flags, value)); 82ca987d46SWarner Losh } 83