Move xen patchset to new version's subdir.

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.31 / patches.fixes / ia64_uv_watchlist.diff

diff --git a/src/patches/suse-2.6.27.31/patches.fixes/ia64_uv_watchlist.diff b/src/patches/suse-2.6.27.31/patches.fixes/ia64_uv_watchlist.diff
new file mode 100644 (file)
index 0000000..597622e
--- /dev/null
+++ b/src/patches/suse-2.6.27.31/patches.fixes/ia64_uv_watchlist.diff
@@ -0,0 +1,78 @@
+From: Bernhard Walle <bwalle@suse.de>
+Subject: Add UV watchlist support
+References: bnc#442455
+
+Add UV watchlist support.
+
+This is used by SGI xp drivers (drivers/misc/sgi-xp).
+
+Signed-off-by: Russ Anderson <rja@sgi.com>
+
+---
+
+ arch/ia64/include/asm/sn/sn_sal.h |   45 ++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 45 insertions(+)
+
+Index: linux/arch/ia64/include/asm/sn/sn_sal.h
+===================================================================
+--- linux.orig/arch/ia64/include/asm/sn/sn_sal.h       2008-11-05 09:21:48.690243174 -0600
++++ linux/arch/ia64/include/asm/sn/sn_sal.h    2008-11-05 09:22:01.847928152 -0600
+@@ -90,6 +90,8 @@
+ #define  SN_SAL_SET_CPU_NUMBER                           0x02000068
+ 
+ #define  SN_SAL_KERNEL_LAUNCH_EVENT              0x02000069
++#define  SN_SAL_WATCHLIST_ALLOC                          0x02000070
++#define  SN_SAL_WATCHLIST_FREE                           0x02000071
+ 
+ /*
+  * Service-specific constants
+@@ -1183,6 +1185,49 @@ ia64_sn_kernel_launch_event(void)
+ {
+       struct ia64_sal_retval rv;
+       SAL_CALL_NOLOCK(rv, SN_SAL_KERNEL_LAUNCH_EVENT, 0, 0, 0, 0, 0, 0, 0);
++      return rv.status;
++}
++
++union sn_watchlist_u {
++      u64     val;
++      struct {
++              u64     blade   : 16,
++                      size    : 32,
++                      filler  : 16;
++      };
++};
++
++static inline int
++sn_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size,
++                              unsigned long *intr_mmr_offset)
++{
++      struct ia64_sal_retval rv;
++      unsigned long addr;
++      union sn_watchlist_u size_blade;
++      int watchlist;
++
++      addr = (unsigned long)mq;
++      size_blade.size = mq_size;
++      size_blade.blade = blade;
++
++      /*
++       * bios returns watchlist number or negative error number.
++       */
++      ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_ALLOC, addr,
++                      size_blade.val, (u64)intr_mmr_offset,
++                      (u64)&watchlist, 0, 0, 0);
++      if (rv.status < 0)
++              return rv.status;
++
++      return watchlist;
++}
++
++static inline int
++sn_mq_watchlist_free(int blade, int watchlist_num)
++{
++      struct ia64_sal_retval rv;
++      ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_FREE, blade,
++                      watchlist_num, 0, 0, 0, 0, 0);
+       return rv.status;
+ }
+ #endif /* _ASM_IA64_SN_SN_SAL_H */