/* $NetBSD: md.c,v 1.5.2.2 2022/02/02 04:25:38 msaitoh Exp $ */ /* * Copyright 1997 Piermont Information Systems Inc. * All rights reserved. * * Based on code written by Philip A. Nelson for Piermont Information * Systems Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of Piermont Information Systems Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /* md.c -- shark machine specific routines */ #include #include #include #include #include #include #include #include #include "defs.h" #include "md.h" #include "mbr.h" #include "msg_defs.h" #include "menu_defs.h" static int clear_mbr(const char *, char *, size_t); void md_init(void) { } void md_init_set_status(int flags) { (void)flags; } bool md_get_info(struct install_partition_desc *install) { struct disklabel disklabel; int fd; char dev_name[100]; snprintf(dev_name, 100, "/dev/r%sc", pm->diskdev); fd = open(dev_name, O_RDONLY, 0); if (fd < 0) { endwin(); fprintf(stderr, "Can't open %s\n", dev_name); exit(1); } if (ioctl(fd, DIOCGDINFO, &disklabel) == -1) { endwin(); fprintf(stderr, "Can't read disklabel on %s.\n", dev_name); close(fd); exit(1); } close(fd); pm->dlcyl = disklabel.d_ncylinders; pm->dlhead = disklabel.d_ntracks; pm->dlsec = disklabel.d_nsectors; pm->sectorsize = disklabel.d_secsize; pm->dlcylsize = disklabel.d_secpercyl; /* * Compute whole disk size. Take max of (pm->dlcyl*pm->dlhead*pm->dlsec) * and secperunit, just in case the disk is already labelled. * (If our new label's RAW_PART size ends up smaller than the * in-core RAW_PART size value, updating the label will fail.) */ pm->dlsize = pm->dlcyl*pm->dlhead*pm->dlsec; if (disklabel.d_secperunit > pm->dlsize) pm->dlsize = disklabel.d_secperunit; return true; } /* * md back-end code for menu-driven BSD disklabel editor. */ int md_make_bsd_partitions(struct install_partition_desc *install) { return make_bsd_partitions(install); } /* * any additional partition validation */ bool md_check_partitions(struct install_partition_desc *install) { return true; } /* * hook called before writing new disklabel. */ bool md_pre_disklabel(struct install_partition_desc *install, struct disk_partitions *parts) { char diskpath[MAXPATHLEN]; if (clear_mbr(pm->diskdev, diskpath, sizeof(diskpath)) == -1) { msg_fmt_display(MSG_badclearmbr, "%s", diskpath); process_menu(MENU_ok, NULL); } return true; } /* * hook called after writing disklabel to new target disk. */ bool md_post_disklabel(struct install_partition_desc *install, struct disk_partitions *parts) { return true; } /* * hook called after upgrade() or install() has finished setting * up the target disk but immediately before the user is given the * ``disks are now set up'' message. */ int md_post_newfs(struct install_partition_desc *install) { return 0; } int md_post_extract(struct install_partition_desc *install, bool upgrade) { msg_display(MSG_setbootdevice); process_menu(MENU_ok, NULL); return 0; } void md_cleanup_install(struct install_partition_desc *install) { #ifndef DEBUG enable_rc_conf(); add_rc_conf("wscons=YES\n"); /* Configure a single screen. */ run_program(RUN_CHROOT, "sed -an -e '/^screen/s/^/#/;/^mux/s/^/#/;" "H;$!d;g;w /etc/wscons.conf' /etc/wscons.conf"); #endif } int md_pre_update(struct install_partition_desc *install) { return 1; } /* Upgrade support */ int md_update(struct install_partition_desc *install) { md_post_newfs(install); return 1; } /* * Clears the disk's first sector by writing all zeros over it. * Returns 0 on success, -1 on failure. Leaves the disk's path in * the output diskpath buffer for further usage in error messages. */ static int clear_mbr(const char *disk, char *diskpath, size_t diskpathlen) { int fd; char sector[512]; fd = opendisk(disk, O_WRONLY, diskpath, diskpathlen, 0); if (fd < 0) return -1; memset(sector, 0, sizeof(sector)); if (pwrite(fd, §or, sizeof(sector), 0) < 0) { close(fd); return -1; } close(fd); return 0; } int md_pre_mount(struct install_partition_desc *install, size_t ndx) { return 0; } /* returns false if no write-back of parts is required */ bool md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri) { return false; } #ifdef HAVE_GPT /* * New GPT partitions have been written, update bootloader or remember * data untill needed in md_post_newfs */ bool md_gpt_post_write(struct disk_partitions *parts, part_id root_id, bool root_is_new, part_id efi_id, bool efi_is_new) { return true; } #endif bool md_parts_use_wholedisk(struct disk_partitions *parts) { return parts_use_wholedisk(parts, 0, NULL); }