Le 11 nov. 2015 12:09 AM, "Paulo Flabiano Smorigo" <
pfsmor...@linux.vnet.ibm.com> a écrit :
>
> Same patch with the fixes.
>
> ---
> grub-core/disk/ieee1275/ofdisk.c | 77
++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 77 insertions(+)
>
> diff --git a/grub-core/disk/ieee1275/ofdisk.c
b/grub-core/disk/ieee1275/ofdisk.c
> index 297f058..8caca16 100644
> --- a/grub-core/disk/ieee1275/ofdisk.c
> +++ b/grub-core/disk/ieee1275/ofdisk.c
> @@ -260,6 +260,83 @@ 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_uint16_t table_size;
> + grub_ieee1275_ihandle_t ihandle;
> +
> + buf = grub_malloc (grub_strlen (alias->path)
> + + sizeof ("/disk@7766554433221100"));
> + if (!buf)
> + return;
> +
> + /* 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;
> + }
> +
> + 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, 64, "/disk@%" PRIxGRUB_UINT64_T, *ptr);
64 still doesn't match hour many extra bytes you have allocated
> + 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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