All SAS disks attached will be added to the device list. This is the second version of a patch that I send a while ago [1].
[1] https://lists.gnu.org/archive/html/grub-devel/2015-08/msg00000.html --- 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..afec9ba 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, *table; + unsigned i; + grub_uint32_t table_size; + grub_ieee1275_ihandle_t ihandle; + + buf = grub_malloc (grub_strlen (alias->path) + + sizeof ("/disk@7766554433221100")); + if (!buf) + return; + + /* 64 entries should be enough */ + table_size = sizeof (grub_uint64_t) * 64; + table = grub_malloc (table_size); + + if (!table) + { + grub_free (buf); + return; + } + + bufptr = grub_stpcpy (buf, alias->path); + + 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; + } + + grub_uint64_t *ptr; + for (i = 0; i < args.nentries; i++) + { + ptr = (grub_uint64_t *) (table + sizeof (grub_uint64_t) * i); + grub_snprintf (bufptr, 32, "/disk@%" PRIxGRUB_UINT64_T, *ptr); + 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 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
