Changes:
- using sizeof ("/disk@7766554433221100");
- grub_uint64_t *table;
---
grub-core/disk/ieee1275/ofdisk.c | 76 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 76 insertions(+)
diff --git a/grub-core/disk/ieee1275/ofdisk.c b/grub-core/disk/ieee1275/ofdisk.c
index 297f058..b1f7c56 100644
--- a/grub-core/disk/ieee1275/ofdisk.c
+++ b/grub-core/disk/ieee1275/ofdisk.c
@@ -260,6 +260,82 @@ dev_iterate (const struct grub_ieee1275_devalias *alias)
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)
--
2.1.0
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