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pkgsrc-ng/sysutils/hal/files/hald-netbsd/probing/probe-storage.c
Lionel Sambuc 785076ae39 Import of pkgsrc-2013Q2
2013-09-26 17:14:40 +02:00

415 lines
11 KiB
C
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/***************************************************************************
*
* probe-storage.c : Probe for storage devices
*
* Copyright 2008 Jared D. McNeill <jmcneill@NetBSD.org>
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Licensed under the Academic Free License version 2.1
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <string.h>
#include <strings.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/fdio.h>
#include <sys/statvfs.h>
#include <sys/syslog.h>
#include <sys/scsiio.h>
#include <dev/scsipi/scsi_spc.h>
#include <dev/scsipi/scsipi_all.h>
#include <libhal.h>
#include <cdutils.h>
#include <fsutils.h>
#include <logger.h>
#if notyet
/** Check if a filesystem on a special device file is mounted
*
* @param device_file Special device file, e.g. /dev/cd0a
* @return TRUE iff there is a filesystem system mounted
* on the special device file
*/
static dbus_bool_t
is_mounted (const char *device_file)
{
int count;
struct statvfs *statvfs;
count = getmntinfo(&statvfs, ST_WAIT);
while (count-- > 0) {
if (strcmp(statvfs->f_mntfromname, device_file) == 0)
return TRUE;
}
return FALSE;
}
#endif
static int
get_cdrom_properties_walker (void *arg, int profile, bool is_current)
{
LibHalChangeSet *cs = (LibHalChangeSet *)arg;
switch (profile) {
case 0x09:
libhal_changeset_set_property_bool (cs, "storage.cdrom.cdr", TRUE);
break;
case 0x0a:
libhal_changeset_set_property_bool (cs, "storage.cdrom.cdrw", TRUE);
break;
case 0x10:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvd", TRUE);
break;
case 0x11:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdr", TRUE);
break;
case 0x12:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdram", TRUE);
break;
case 0x13:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdrw", TRUE);
break;
case 0x14:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdrw", TRUE);
break;
case 0x1a:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusrw", TRUE);
break;
case 0x1b:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusr", TRUE);
break;
case 0x2b:
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusrdl", TRUE);
break;
case 0x40:
libhal_changeset_set_property_bool (cs, "storage.cdrom.bd", TRUE);
break;
case 0x41:
case 0x42:
libhal_changeset_set_property_bool (cs, "storage.cdrom.bdr", TRUE);
break;
case 0x43:
libhal_changeset_set_property_bool (cs, "storage.cdrom.bdre", TRUE);
break;
case 0x50:
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvd", TRUE);
break;
case 0x51:
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvdr", TRUE);
break;
case 0x52:
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvdrw", TRUE);
break;
}
return CDUTIL_WALK_CONTINUE;
}
#define WSPLEN 64
static void
get_cdrom_properties (int fd, LibHalChangeSet *cs)
{
int read_speed, write_speed;
intlist_t *write_speeds, *write_speeds_mem, *sp;
int n_wspeeds;
char **wspeeds;
char *wspeeds_mem;
int i;
libhal_changeset_set_property_bool (cs, "storage.cdrom.cdr", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.cdrw", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvd", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdr", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdrw", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdram", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusr", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusrw", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.dvdplusrdl", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.bd", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.bdr", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.bdre", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvd", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvdr", FALSE);
libhal_changeset_set_property_bool (cs, "storage.cdrom.hddvdrw", FALSE);
walk_profiles(fd, get_cdrom_properties_walker, cs);
/* XXX */
libhal_changeset_set_property_bool (cs, "storage.cdrom.support_media_changed", TRUE);
get_read_write_speeds(fd, &read_speed, &write_speed, &write_speeds, &n_wspeeds, &write_speeds_mem);
libhal_changeset_set_property_int (cs, "storage.cdrom.read_speed", read_speed);
libhal_changeset_set_property_int (cs, "storage.cdrom.write_speed", write_speed);
if (n_wspeeds <= 0) {
wspeeds_mem = NULL;
libhal_changeset_set_property_strlist (cs, "storage.cdrom.write_speeds", (const char **)&wspeeds_mem);
return;
}
if ((wspeeds = (char **)calloc(n_wspeeds + 1, sizeof (char *))) == NULL) {
free (write_speeds_mem);
return;
}
if ((wspeeds_mem = (char *)calloc(n_wspeeds, WSPLEN)) == NULL) {
free (wspeeds);
free (write_speeds_mem);
return;
}
for (i = 0; i < n_wspeeds; i++) {
wspeeds[i] = &wspeeds_mem[i * WSPLEN];
}
for (sp = write_speeds, i = 0; sp != NULL; sp = sp->next, i++) {
snprintf (wspeeds[i], WSPLEN, "%d", sp->val);
}
libhal_changeset_set_property_strlist (cs, "storage.cdrom.write_speeds", (const char **)wspeeds);
free (wspeeds);
free (wspeeds_mem);
free (write_speeds_mem);
}
/*
* Return a copy of a string without trailing spaces. If 'len' is non-zero,
* it specifies max length, otherwise the string must be null-terminated.
*/
static char *
rtrim_copy(char *src, int len)
{
char *dst, *p;
if (len == 0) {
len = strlen(src);
}
if ((dst = calloc(1, len + 1)) != NULL) {
strncpy(dst, src, len);
p = dst + len - 1;
while ((p >= dst) && (isspace((int)*p))) {
*p-- = '\0';
}
}
return (dst);
}
static void
get_disk_properties (int fd, LibHalChangeSet *cs)
{
struct scsipi_inquiry_data inqbuf;
struct scsipi_inquiry cmd;
dbus_bool_t status;
char *s;
/* INQUIRY */
memset(&cmd, 0, sizeof(cmd));
memset(&inqbuf, 0, sizeof(inqbuf));
cmd.opcode = INQUIRY;
cmd.length = sizeof(inqbuf);
status = scsi_command(fd, &cmd, sizeof(cmd), &inqbuf, sizeof(inqbuf), 10000, SCCMD_READ);
if (status == false)
return;
if ((s = rtrim_copy(inqbuf.vendor, sizeof (inqbuf.vendor))) != NULL) {
libhal_changeset_set_property_string (cs, "storage.vendor", s);
free(s);
}
if ((s = rtrim_copy(inqbuf.product, sizeof (inqbuf.product))) != NULL) {
libhal_changeset_set_property_string (cs, "storage.model", s);
free(s);
}
if ((s = rtrim_copy(inqbuf.revision, sizeof (inqbuf.revision))) != NULL) {
libhal_changeset_set_property_string (cs, "storage.firmware_revision", s);
free(s);
}
if ((s = rtrim_copy((char *)inqbuf.vendor_specific, sizeof (inqbuf.vendor_specific))) != NULL) {
libhal_changeset_set_property_string (cs, "storage.serial", s);
free(s);
}
}
#if notyet
/*
* returns TRUE if diskette is inserted.
* also returns write protection status.
*/
static dbus_bool_t
check_floppy(int fd, dbus_bool_t *wprot)
{
int chg;
if ((ioctl(fd, FDGETCHANGE, &chg) == 0) && !(chg & FDGC_CURRENT)) {
*wprot = ((chg & FDGC_CURWPROT) != NULL);
return (TRUE);
} else {
return (FALSE);
}
}
#endif
int
main (int argc, char *argv[])
{
int ret = 1;
int fd = -1;
int rfd = -1;
char *udi;
char *device_file;
char *raw_device_file;
LibHalContext *ctx = NULL;
DBusError error;
char *bus;
char *drive_type;
dbus_bool_t is_cdrom;
dbus_bool_t is_floppy;
dbus_bool_t only_check_for_media;
int got_media = FALSE;
dbus_bool_t is_write_protected = FALSE;
dbus_bool_t is_mbr = FALSE;
dbus_bool_t is_smi = FALSE;
dbus_bool_t is_gpt = FALSE;
dbus_bool_t is_partitioned = FALSE;
int dos_cnt = 0;
const char *scheme = "";
LibHalChangeSet *cs = NULL;
HAL_INFO(("f0"));
if ((udi = getenv ("UDI")) == NULL)
goto out;
HAL_INFO(("f0-1"));
if ((device_file = getenv ("HAL_PROP_BLOCK_DEVICE")) == NULL)
goto out;
HAL_INFO(("f0-2"));
if ((raw_device_file = getenv ("HAL_PROP_BLOCK_NETBSD_RAW_DEVICE")) == NULL)
goto out;
HAL_INFO(("f0-3"));
if ((bus = getenv ("HAL_PROP_STORAGE_BUS")) == NULL)
goto out;
HAL_INFO(("f0-4"));
if ((drive_type = getenv ("HAL_PROP_STORAGE_DRIVE_TYPE")) == NULL)
goto out;
HAL_INFO(("f1"));
setup_logger ();
if (argc == 2 && strcmp (argv[1], "--only-check-for-media") == 0)
only_check_for_media = TRUE;
else
only_check_for_media = FALSE;
is_cdrom = (strcmp (drive_type, "cdrom") == 0);
is_floppy = (strcmp (drive_type, "floppy") == 0);
HAL_INFO(("f2"));
dbus_error_init (&error);
HAL_INFO(("f3"));
if ((ctx = libhal_ctx_init_direct (&error)) == NULL)
goto out;
HAL_INFO(("f4"));
if ((cs = libhal_device_new_changeset (udi)) == NULL) {
HAL_DEBUG (("Cannot allocate changeset"));
goto out;
}
HAL_INFO(("f5"));
HAL_DEBUG (("Doing probe-storage for %s (bus %s) (drive_type %s) (udi=%s) (--only-check-for-media==%d)",
device_file, bus, drive_type, udi, only_check_for_media));
if ((rfd = open (raw_device_file, O_RDONLY | O_NONBLOCK)) < 0) {
HAL_DEBUG (("Cannot open %s: %s", raw_device_file, strerror (errno)));
goto out;
}
if (!only_check_for_media) {
if (strcmp (drive_type, "cdrom") == 0) {
get_cdrom_properties (rfd, cs);
} else if (strcmp (drive_type, "disk") == 0) {
get_disk_properties (rfd, cs);
}
}
ret = 0;
if (is_cdrom) {
uint64_t capacity;
HAL_DEBUG (("Checking for optical disc on %s", raw_device_file));
got_media = get_media_info(rfd, &capacity);
if (!got_media) {
goto out_cs;
}
/* XXX */
is_write_protected = TRUE;
} else if (is_floppy) {
#if 0
HAL_DEBUG (("Checking for floppy on %s", raw_device_file));
if (check_floppy(rfd, &is_write_protected)) {
got_media = TRUE;
}
#endif
/* don't look for partitions on floppy */
goto out_cs;
} else {
got_media = TRUE;
}
HAL_DEBUG (("Checking for partitions on %s", device_file));
if ((fd = open (device_file, O_RDONLY | O_NONBLOCK)) < 0) {
HAL_DEBUG (("Cannot open %s: %s", device_file, strerror (errno)));
goto out_cs;
}
scheme = "mbr";
dos_cnt = 1;
out_cs:
is_partitioned = is_mbr || is_smi || is_gpt;
libhal_changeset_set_property_bool (cs, "storage.no_partitions_hint", !is_partitioned);
libhal_changeset_set_property_bool (cs, "block.no_partitions", !is_partitioned);
libhal_changeset_set_property_string (cs, "storage.partitioning_scheme", scheme);
libhal_changeset_set_property_int (cs, "storage.netbsd.num_dos_partitions", dos_cnt);
/* XXX should only set for removable drives */
libhal_changeset_set_property_bool (cs, "storage.removable.media_available", got_media);
libhal_changeset_set_property_bool (cs, "storage.removable.netbsd.read_only", is_write_protected);
libhal_device_commit_changeset (ctx, cs, &error);
out:
if (cs != NULL) {
libhal_device_free_changeset (cs);
}
if (fd >= 0) {
close (fd);
}
if (rfd >= 0) {
close (rfd);
}
if (ctx != NULL) {
if (dbus_error_is_set(&error)) {
dbus_error_free (&error);
}
libhal_ctx_shutdown (ctx, &error);
libhal_ctx_free (ctx);
}
return ret;
}
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