src/patches/suse-2.6.27.31/patches.fixes/uv-xpc_get_part_rsvd_page.diff

   1 From: Dean Nelson <dcn@sgi.com>
   2 Subject: [PATCH] Add support for getting the address of a partition's reserved page.
   3 References: bnc#442461
   4
   5 Add support for getting the address of a partition's reserved page.
   6
   7 Signed-off-by: Dean Nelson <dcn@sgi.com>
   8 Acked-by: Bernhard Walle <bwalle@suse.de>
   9
  10 ---
  11
  12  drivers/misc/sgi-xp/xpc_uv.c |   31 ++++++++++++++++++++++++++++---
  13  1 file changed, 28 insertions(+), 3 deletions(-)
  14
  15 Index: linux/drivers/misc/sgi-xp/xpc_uv.c
  16 ===================================================================
  17 --- linux.orig/drivers/misc/sgi-xp/xpc_uv.c     2008-10-21 12:50:18.000000000 -0500
  18 +++ linux/drivers/misc/sgi-xp/xpc_uv.c  2008-10-21 14:00:13.000000000 -0500
  19 @@ -642,7 +642,7 @@ xpc_send_local_activate_IRQ_uv(struct xp
  20         struct xpc_partition_uv *part_uv = &part->sn.uv;
  21
  22         /*
  23 -        * !!! Make our side think that the remote parition sent an activate
  24 +        * !!! Make our side think that the remote partition sent an activate
  25          * !!! message our way by doing what the activate IRQ handler would
  26          * !!! do had one really been sent.
  27          */
  28 @@ -660,8 +660,33 @@ static enum xp_retval
  29  xpc_get_partition_rsvd_page_pa_uv(void *buf, u64 *cookie, unsigned long *rp_pa,
  30                                   size_t *len)
  31  {
  32 -       /* !!! call the UV version of sn_partition_reserved_page_pa() */
  33 -       return xpUnsupported;
  34 +       s64 status;
  35 +       enum xp_retval ret;
  36 +
  37 +#if defined CONFIG_X86_64
  38 +       status = uv_bios_reserved_page_pa((u64)buf, cookie, (u64 *)rp_pa,
  39 +                                         (u64 *)len);
  40 +       if (status == BIOS_STATUS_SUCCESS)
  41 +               ret = xpSuccess;
  42 +       else if (status == BIOS_STATUS_MORE_PASSES)
  43 +               ret = xpNeedMoreInfo;
  44 +       else
  45 +               ret = xpBiosError;
  46 +
  47 +#elif defined CONFIG_IA64_GENERIC || defined CONFIG_IA64_SGI_UV
  48 +       status = sn_partition_reserved_page_pa((u64)buf, cookie, rp_pa, len);
  49 +       if (status == SALRET_OK)
  50 +               ret = xpSuccess;
  51 +       else if (status == SALRET_MORE_PASSES)
  52 +               ret = xpNeedMoreInfo;
  53 +       else
  54 +               ret = xpSalError;
  55 +
  56 +#else
  57 +       #error not a supported configuration
  58 +#endif
  59 +
  60 +       return ret;
  61  }
  62
  63  static int