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* util/ieee1275/ofpath.c (of_path_of_scsi): Fix path output for sas

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disks.
	(check_sas): Get sas_adress info.
This commit is contained in:
Paulo Flabiano Smorigo 2013-04-27 22:03:13 +02:00 committed by Vladimir 'phcoder' Serbinenko
parent c796a107b6
commit 1dd70ebd58
2 changed files with 66 additions and 16 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2013-04-27 Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
* util/ieee1275/ofpath.c (of_path_of_scsi): Fix path output for sas
disks.
(check_sas): Get sas_adress info.
2013-04-27 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/disk/ahci.c (grub_ahci_pciinit): Fix handling of empty

76
util/ieee1275/ofpath.c
View file

@ -324,11 +324,11 @@ vendor_is_ATA(const char *path)
}
static void
check_sas (char *sysfs_path, int *tgt)
check_sas (char *sysfs_path, int *tgt, unsigned long int *sas_address)
{
char *ed = strstr (sysfs_path, "end_device");
char *p, *q, *path;
char phy[16];
char phy[21];
int fd;
size_t path_size;
@ -348,16 +348,25 @@ check_sas (char *sysfs_path, int *tgt)
+ sizeof ("%s/sas_device/%s/phy_identifier"));
path = xmalloc (path_size);
snprintf (path, path_size, "%s/sas_device/%s/phy_identifier", p, ed);
fd = open (path, O_RDONLY);
if (fd < 0)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
memset (phy, 0, sizeof (phy));
read (fd, phy, sizeof (phy));
read (fd, phy, sizeof (phy) - 1);
close (fd);
sscanf (phy, "%d", tgt);
snprintf (path, path_size, "%s/sas_device/%s/sas_address", p, ed);
fd = open (path, O_RDONLY);
if (fd < 0)
grub_util_error (_("cannot open `%s': %s"), path, strerror (errno));
memset (phy, 0, sizeof (phy));
read (fd, phy, sizeof (phy) - 1);
sscanf (phy, "%lx", sas_address);
free (path);
free (p);
close (fd);
@ -370,13 +379,14 @@ of_path_of_scsi(const char *sys_devname __attribute__((unused)), const char *dev
{
const char *p, *digit_string, *disk_name;
int host, bus, tgt, lun;
unsigned long int sas_address;
char *sysfs_path, disk[MAX_DISK_CAT - sizeof ("/fp@0,0")];
char *of_path;
sysfs_path = block_device_get_sysfs_path_and_link(devicenode);
p = get_basename (sysfs_path);
sscanf(p, "%d:%d:%d:%d", &host, &bus, &tgt, &lun);
check_sas (sysfs_path, &tgt);
check_sas (sysfs_path, &tgt, &sas_address);
if (vendor_is_ATA(sysfs_path))
{
@ -417,18 +427,52 @@ of_path_of_scsi(const char *sys_devname __attribute__((unused)), const char *dev
}
else
{
if (*digit_string == '\0')
{
snprintf(disk, sizeof (disk), "/%s@%x,%d", disk_name, tgt, lun);
}
else
{
int part;
if (lun == 0)
{
int sas_id = 0;
sas_id = bus << 16 | tgt << 8 | lun;
sscanf(digit_string, "%d", &part);
snprintf(disk, sizeof (disk),
"/%s@%x,%d:%c", disk_name, tgt, lun, 'a' + (part - 1));
}
if (*digit_string == '\0')
{
snprintf(disk, sizeof (disk), "/sas/%s@%x", disk_name, sas_id);
}
else
{
int part;
sscanf(digit_string, "%d", &part);
snprintf(disk, sizeof (disk),
"/sas/%s@%x:%c", disk_name, sas_id, 'a' + (part - 1));
}
}
else
{
char *lunstr;
int lunpart[4];
lunstr = xmalloc (20);
lunpart[0] = (lun >> 8) & 0xff;
lunpart[1] = lun & 0xff;
lunpart[2] = (lun >> 24) & 0xff;
lunpart[3] = (lun >> 16) & 0xff;
sprintf(lunstr, "%02x%02x%02x%02x00000000", lunpart[0], lunpart[1], lunpart[2], lunpart[3]);
long int longlun = atol(lunstr);
if (*digit_string == '\0')
{
snprintf(disk, sizeof (disk), "/sas/%s@%lx,%lu", disk_name, sas_address, longlun);
}
else
{
int part;
sscanf(digit_string, "%d", &part);
snprintf(disk, sizeof (disk),
"/sas/%s@%lx,%lu:%c", disk_name, sas_address, longlun, 'a' + (part - 1));
}
}
}
strcat(of_path, disk);
return of_path;