static void
scan (void)
{
struct grub_ieee1275_devalias alias;
FOR_IEEE1275_DEVALIASES(alias)
{
if (grub_strcmp (alias.type, "block") != 0)
continue;
dev_iterate_real (alias.name, alias.path);
}
FOR_IEEE1275_DEVCHILDREN("/", alias)
dev_iterate (&alias);
}
static void
dev_iterate (const struct grub_ieee1275_devalias *alias)
{
if (grub_strcmp (alias->type, "vscsi") == 0)
{
static grub_ieee1275_ihandle_t ihandle;
struct set_color_args
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t ihandle;
grub_ieee1275_cell_t catch_result;
grub_ieee1275_cell_t nentries;
grub_ieee1275_cell_t table;
}
args;
char *buf, *bufptr;
unsigned i;
if (grub_ieee1275_open (alias->path, &ihandle))
return;
/* This method doesn't need memory allocation for the table. Open
firmware takes care of all memory management and the result table
stays in memory and is never freed. */
INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
args.method = (grub_ieee1275_cell_t) "vscsi-report-luns";
args.ihandle = ihandle;
args.table = 0;
args.nentries = 0;
if (IEEE1275_CALL_ENTRY_FN (&args) == -1 || args.catch_result)
{
grub_ieee1275_close (ihandle);
return;
}
buf = grub_malloc (grub_strlen (alias->path) + 32);
if (!buf)
return;
bufptr = grub_stpcpy (buf, alias->path);
for (i = 0; i < args.nentries; i++)
{
grub_uint64_t *ptr;
ptr = *(grub_uint64_t **) (args.table + 4 + 8 * i);
while (*ptr)
{
grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr++);
dev_iterate_real (buf, buf);
}
}
grub_ieee1275_close (ihandle);
grub_free (buf);
return;
}
else if (grub_strcmp (alias->type, "sas_ioa") == 0)
{
/* The method returns the number of disks and a table where
* each ID is 64-bit long. Example of sas paths:
* /pci@80000002000001f/pci1014,034A@0/sas/disk@c05db70800
* /pci@80000002000001f/pci1014,034A@0/sas/disk@a05db70800
* /pci@80000002000001f/pci1014,034A@0/sas/disk@805db70800 */
struct sas_children
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t ihandle;
grub_ieee1275_cell_t max;
grub_ieee1275_cell_t table;
grub_ieee1275_cell_t catch_result;
grub_ieee1275_cell_t nentries;
}
args;
char *buf, *bufptr;
unsigned i;
grub_uint64_t *table;
grub_uint16_t table_size;
grub_ieee1275_ihandle_t ihandle;
buf = grub_malloc (grub_strlen (alias->path) +
sizeof ("/disk@7766554433221100"));
if (!buf)
return;
bufptr = grub_stpcpy (buf, alias->path);
/* Power machines documentation specify 672 as maximum SAS disks in
one system. Using a slightly larger value to be safe. */
table_size = 768;
table = grub_malloc (table_size * sizeof (grub_uint64_t));
if (!table)
{
grub_free (buf);
return;
}
if (grub_ieee1275_open (alias->path, &ihandle))
{
grub_free (buf);
grub_free (table);
return;
}
INIT_IEEE1275_COMMON (&args.common, "call-method", 4, 2);
args.method = (grub_ieee1275_cell_t) "get-sas-children";
args.ihandle = ihandle;
args.max = table_size;
args.table = (grub_ieee1275_cell_t) table;
args.catch_result = 0;
args.nentries = 0;
if (IEEE1275_CALL_ENTRY_FN (&args) == -1)
{
grub_ieee1275_close (ihandle);
grub_free (table);
grub_free (buf);
return;
}
for (i = 0; i < args.nentries; i++)
{
grub_snprintf (bufptr, sizeof ("/disk@7766554433221100"),
"/disk@%" PRIxGRUB_UINT64_T, table[i]);
dev_iterate_real (buf, buf);
}
grub_ieee1275_close (ihandle);
grub_free (table);
grub_free (buf);
}
if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS)
&& grub_strcmp (alias->type, "block") == 0)
{
dev_iterate_real (alias->path, alias->path);
return;
}
{
struct grub_ieee1275_devalias child;
FOR_IEEE1275_DEVCHILDREN(alias->path, child)
dev_iterate (&child);
}
}
static void
dev_iterate (const struct grub_ieee1275_devalias *alias)
{
if (grub_strcmp (alias->type, "vscsi") == 0)
{
static grub_ieee1275_ihandle_t ihandle;
struct set_color_args
{
struct grub_ieee1275_common_hdr common;
grub_ieee1275_cell_t method;
grub_ieee1275_cell_t ihandle;
grub_ieee1275_cell_t catch_result;
grub_ieee1275_cell_t nentries;
grub_ieee1275_cell_t table;
}
args;
char *buf, *bufptr;
unsigned i;
if (grub_ieee1275_open (alias->path, &ihandle))
return;
INIT_IEEE1275_COMMON (&args.common, "call-method", 2, 3);
args.method = (grub_ieee1275_cell_t) "vscsi-report-luns";
args.ihandle = ihandle;
args.table = 0;
args.nentries = 0;
if (IEEE1275_CALL_ENTRY_FN (&args) == -1 || args.catch_result)
{
grub_ieee1275_close (ihandle);
return;
}
buf = grub_malloc (grub_strlen (alias->path) + 32);
if (!buf)
return;
bufptr = grub_stpcpy (buf, alias->path);
for (i = 0; i < args.nentries; i++)
{
grub_uint64_t *ptr;
ptr = *(grub_uint64_t **) (args.table + 4 + 8 * i);
while (*ptr)
{
grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr++);
dev_iterate_real (buf, buf);
}
}
grub_ieee1275_close (ihandle);
grub_free (buf);
return;
}
if (!grub_ieee1275_test_flag (GRUB_IEEE1275_FLAG_NO_TREE_SCANNING_FOR_DISKS)
&& grub_strcmp (alias->type, "block") == 0)
{
dev_iterate_real (alias->path, alias->path);
return;
}
{
struct grub_ieee1275_devalias child;
FOR_IEEE1275_DEVCHILDREN(alias->path, child)
dev_iterate (&child);
}
}