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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:29:51 +0000
commit6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/osdep/hurd/hostdisk.c
parentInitial commit. (diff)
downloadgrub2-upstream/2.06.tar.xz
grub2-upstream/2.06.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/osdep/hurd/hostdisk.c')
-rw-r--r--grub-core/osdep/hurd/hostdisk.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/grub-core/osdep/hurd/hostdisk.c b/grub-core/osdep/hurd/hostdisk.c
new file mode 100644
index 0000000..c47b5a5
--- /dev/null
+++ b/grub-core/osdep/hurd/hostdisk.c
@@ -0,0 +1,146 @@
+/*
+ * 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, &sector_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)))
+{
+}