| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 1999,2000,2001,2002,2003,2004,2006,2007,2008,2009,2010,2011,2012,2013 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <config-util.h> |
| |
| #include <grub/disk.h> |
| #include <grub/partition.h> |
| #include <grub/msdos_partition.h> |
| #include <grub/types.h> |
| #include <grub/err.h> |
| #include <grub/emu/misc.h> |
| #include <grub/emu/hostdisk.h> |
| #include <grub/emu/getroot.h> |
| #include <grub/misc.h> |
| #include <grub/i18n.h> |
| #include <grub/list.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <ctype.h> |
| #include <assert.h> |
| #include <unistd.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <limits.h> |
| |
| #include <hurd.h> |
| #include <hurd/lookup.h> |
| #include <hurd/fs.h> |
| #include <sys/mman.h> |
| |
| int |
| grub_util_hurd_get_disk_info (const char *dev, grub_uint32_t *secsize, grub_disk_addr_t *offset, |
| grub_disk_addr_t *size, char **parent) |
| { |
| file_t file; |
| mach_port_t *ports; |
| int *ints; |
| loff_t *offsets; |
| char *data; |
| error_t err; |
| mach_msg_type_number_t num_ports = 0, num_ints = 0, num_offsets = 0, data_len = 0; |
| |
| file = file_name_lookup (dev, 0, 0); |
| if (file == MACH_PORT_NULL) |
| return 0; |
| |
| err = file_get_storage_info (file, |
| &ports, &num_ports, |
| &ints, &num_ints, |
| &offsets, &num_offsets, |
| &data, &data_len); |
| |
| if (num_ints < 1) |
| grub_util_error (_("Storage information for `%s' does not include type"), dev); |
| if (ints[0] != STORAGE_DEVICE) |
| grub_util_error (_("`%s' is not a local disk"), dev); |
| |
| if (num_offsets != 2) |
| grub_util_error (_("Storage information for `%s' indicates neither a plain partition nor a plain disk"), dev); |
| if (parent) |
| { |
| *parent = NULL; |
| if (num_ints >= 5) |
| { |
| size_t len = ints[4]; |
| if (len > data_len) |
| len = data_len; |
| *parent = xmalloc (len+1); |
| memcpy (*parent, data, len); |
| (*parent)[len] = '\0'; |
| } |
| } |
| if (offset) |
| *offset = offsets[0]; |
| if (size) |
| *size = offsets[1]; |
| if (secsize) |
| *secsize = ints[2]; |
| if (ports && num_ports > 0) |
| { |
| mach_msg_type_number_t i; |
| for (i = 0; i < num_ports; i++) |
| { |
| mach_port_t port = ports[i]; |
| if (port != MACH_PORT_NULL) |
| mach_port_deallocate (mach_task_self(), port); |
| } |
| munmap ((caddr_t) ports, num_ports * sizeof (*ports)); |
| } |
| |
| if (ints && num_ints > 0) |
| munmap ((caddr_t) ints, num_ints * sizeof (*ints)); |
| if (offsets && num_offsets > 0) |
| munmap ((caddr_t) offsets, num_offsets * sizeof (*offsets)); |
| if (data && data_len > 0) |
| munmap (data, data_len); |
| mach_port_deallocate (mach_task_self (), file); |
| |
| return 1; |
| } |
| |
| grub_int64_t |
| grub_util_get_fd_size_os (grub_util_fd_t fd, const char *name, unsigned *log_secsize) |
| { |
| grub_uint32_t sector_size; |
| grub_disk_addr_t size; |
| unsigned log_sector_size; |
| |
| if (!grub_util_hurd_get_disk_info (name, §or_size, NULL, &size, NULL)) |
| return -1; |
| |
| if (sector_size & (sector_size - 1) || !sector_size) |
| return -1; |
| for (log_sector_size = 0; |
| (1 << log_sector_size) < sector_size; |
| log_sector_size++); |
| |
| if (log_secsize) |
| *log_secsize = log_sector_size; |
| |
| return size << log_sector_size; |
| } |
| |
| void |
| grub_hostdisk_flush_initial_buffer (const char *os_dev __attribute__ ((unused))) |
| { |
| } |