1 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index ea1ed377de4c..240676f75390 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -832,6 +832,44 @@ extern int ia64_sal_oemcall_nolock(struct ia64_sal_retval *, u64, u64, u64,
                                    u64, u64, u64, u64, u64);
 extern int ia64_sal_oemcall_reentrant(struct ia64_sal_retval *, u64, u64, u64,
                                       u64, u64, u64, u64, u64);
+#ifdef CONFIG_HOTPLUG_CPU
+/*
+ * System Abstraction Layer Specification
+ * Section 3.2.5.1: OS_BOOT_RENDEZ to SAL return State.
+ * Note: region regs are stored first in head.S _start. Hence they must
+ * stay up front.
+ */
+struct sal_to_os_boot {
+        u64 rr[8];              /* Region Registers */
+        u64     br[6];          /* br0: return addr into SAL boot rendez routine */
+        u64 gr1;                /* SAL:GP */
+        u64 gr12;               /* SAL:SP */
+        u64 gr13;               /* SAL: Task Pointer */
+        u64 fpsr;
+        u64     pfs;
+        u64 rnat;
+        u64 unat;
+        u64 bspstore;
+        u64 dcr;                /* Default Control Register */
+        u64 iva;
+        u64 pta;
+        u64 itv;
+        u64 pmv;
+        u64 cmcv;
+        u64 lrr[2];
+        u64 gr[4];
+        u64 pr;                 /* Predicate registers */
+        u64 lc;                 /* Loop Count */
+        struct ia64_fpreg fp[20];
+};
+
+/*
+ * Global array allocated for NR_CPUS at boot time
+ */
+extern struct sal_to_os_boot sal_boot_rendez_state[NR_CPUS];
+
+extern void ia64_jump_to_sal(struct sal_to_os_boot *);
+#endif
 
 extern void ia64_sal_handler_init(void *entry_point, void *gpval);