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/***************************************************************************
* CVSID: $Id$
*
* hf-block.c : block device support
*
* Copyright (C) 2006 Jean-Yves Lefort <jylefort@FreeBSD.org>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../logger.h"
#include "hf-block.h"
#include "hf-util.h"
static gboolean
hf_block_get_major_minor (const char *filename, int *major, int *minor)
{
struct stat sb;
g_return_val_if_fail(filename != NULL, FALSE);
g_return_val_if_fail(major != NULL, FALSE);
g_return_val_if_fail(minor != NULL, FALSE);
if (stat(filename, &sb) < 0)
{
HAL_WARNING(("unable to stat %s: %s", filename, g_strerror(errno)));
return FALSE;
}
*major = major(sb.st_rdev);
*minor = minor(sb.st_rdev);
return TRUE;
}
/* adapted from blockdev_compute_udi() in linux2/blockdev.c */
static void
hf_block_device_compute_udi (HalDevice *device)
{
g_return_if_fail(HAL_IS_DEVICE(device));
if (hal_device_property_get_bool(device, "block.is_volume"))
{
const char *label;
const char *uuid;
label = hal_device_property_get_string(device, "volume.label");
uuid = hal_device_property_get_string(device, "volume.uuid");
if (uuid && *uuid)
hf_device_set_udi(device, "volume_uuid_%s", uuid);
else if (label && *label)
hf_device_set_udi(device, "volume_label_%s", label);
else if (hal_device_property_get_bool(device, "volume.is_disc") &&
hal_device_property_get_bool(device, "volume.disc.is_blank"))
/* this should be an empty CD/DVD */
hf_device_set_udi(device, "volume_empty_%s", hal_device_property_get_string(device, "volume.disc.type"));
else if (hal_device_has_property(device, "volume.partition.number")
&& hal_device_has_property(device, "volume.size"))
hf_device_set_udi(device, "volume_part%i_size_%ju",
hal_device_property_get_int(device, "volume.partition.number"),
hal_device_property_get_uint64(device, "volume.size"));
else if (hal_device_has_property(device, "volume.partition.number"))
hf_device_set_udi(device, "volume_part%i",
hal_device_property_get_int(device, "volume.partition.number"));
else if (hal_device_has_property(device, "volume.size"))
hf_device_set_udi(device, "volume_size_%ju",
hal_device_property_get_uint64(device, "volume.size"));
else
hf_device_set_full_udi(device, "%s_volume", hal_device_property_get_string(device, "info.parent"));
}
else if (hal_device_has_capability(device, "storage"))
{
const char *model;
const char *serial;
const char *physical_device;
model = hal_device_property_get_string(device, "storage.model");
serial = hal_device_property_get_string(device, "storage.serial");
physical_device = hal_device_property_get_string(device, "storage.originating_device");
if (serial && *serial)
hf_device_set_udi(device, "storage_serial_%s", serial);
else if (model && *model)
hf_device_set_udi(device, "storage_model_%s", model);
else if (physical_device && *physical_device)
hf_device_set_full_udi(device, "%s_storage", physical_device);
else
hf_device_set_full_udi(device, "%s_storage", hal_device_property_get_string(device, "info.parent"));
}
else
hf_device_set_full_udi(device, "%s_block", hal_device_property_get_string(device, "info.parent"));
}
static void
hf_block_device_compute_product (HalDevice *device)
{
g_return_if_fail(HAL_IS_DEVICE(device));
if (hal_device_has_property(device, "info.product"))
return;
if (hal_device_property_get_bool(device, "block.is_volume"))
{
const char *str;
if ((str = hal_device_property_get_string(device, "volume.label")) && *str)
hal_device_property_set_string(device, "info.product", str);
else if ((str = hal_device_property_get_string(device, "volume.fstype")) && *str)
hf_device_property_set_string_printf(device, "info.product", "Volume (%s)", str);
else if ((str = hal_device_property_get_string(device, "volume.fsusage")) && ! strcmp(str, "unused"))
hal_device_property_set_string(device, "info.product", "Volume (Unused)");
else
hal_device_property_set_string(device, "info.product", "Volume");
}
else if (hal_device_has_capability(device, "storage"))
hal_device_property_set_string(device, "info.product", "Storage Device");
else
hal_device_property_set_string(device, "info.product", "Block Device");
}
void
hf_block_device_enable (HalDevice *device, const char *devname)
{
int major;
int minor;
g_return_if_fail(HAL_IS_DEVICE(device));
g_return_if_fail(devname != NULL);
hal_device_add_capability(device, "block");
hal_device_property_set_string(device, "info.subsystem", "block");
hal_device_property_set_string(device, "info.category", "block"); /* FIXME? */
hf_device_property_set_string_printf(device, "block.device", "/dev/%s", devname);
if (hf_block_get_major_minor(hal_device_property_get_string(device, "block.device"), &major, &minor))
{
hal_device_property_set_int(device, "block.major", major);
hal_device_property_set_int(device, "block.minor", minor);
}
}
void
hf_block_device_complete (HalDevice *device,
HalDevice *storage_device,
gboolean is_volume)
{
g_return_if_fail(HAL_IS_DEVICE(device));
g_return_if_fail(HAL_IS_DEVICE(storage_device));
hal_device_property_set_bool(device, "block.is_volume", is_volume);
hf_block_device_compute_udi(device);
hf_block_device_compute_product(device);
/* set this last, in case device == storage_device */
hal_device_copy_property(storage_device, "info.udi", device, "block.storage_device");
}
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