From 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:29:51 +0200
Subject: Adding upstream version 2.06.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 grub-core/osdep/hurd/hostdisk.c | 146 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 grub-core/osdep/hurd/hostdisk.c

(limited to 'grub-core/osdep/hurd/hostdisk.c')

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)))
+{
+}
-- 
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