vserver 1.9.5.x5
[linux-2.6.git] / arch / ia64 / kernel / sal.c
index 82a9b89..acc0f13 100644 (file)
@@ -10,6 +10,7 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
 
@@ -17,7 +18,7 @@
 #include <asm/sal.h>
 #include <asm/pal.h>
 
-spinlock_t sal_lock __cacheline_aligned = SPIN_LOCK_UNLOCKED;
+ __cacheline_aligned DEFINE_SPINLOCK(sal_lock);
 unsigned long sal_platform_features;
 
 unsigned short sal_revision;
@@ -188,6 +189,27 @@ sal_desc_ap_wakeup (void *p)
                break;
        }
 }
+
+static void __init
+chk_nointroute_opt(void)
+{
+       char *cp;
+       extern char saved_command_line[];
+
+       for (cp = saved_command_line; *cp; ) {
+               if (memcmp(cp, "nointroute", 10) == 0) {
+                       no_int_routing = 1;
+                       printk ("no_int_routing on\n");
+                       break;
+               } else {
+                       while (*cp != ' ' && *cp)
+                               ++cp;
+                       while (*cp == ' ')
+                               ++cp;
+               }
+       }
+}
+
 #else
 static void __init sal_desc_ap_wakeup(void *p) { }
 #endif
@@ -207,6 +229,9 @@ ia64_sal_init (struct ia64_sal_systab *systab)
                printk(KERN_ERR "bad signature in system table!");
 
        check_versions(systab);
+#ifdef CONFIG_SMP
+       chk_nointroute_opt();
+#endif
 
        /* revisions are coded in BCD, so %x does the job for us */
        printk(KERN_INFO "SAL %x.%x: %.32s %.32s%sversion %x.%x\n",
@@ -238,3 +263,40 @@ ia64_sal_init (struct ia64_sal_systab *systab)
                p += SAL_DESC_SIZE(*p);
        }
 }
+
+int
+ia64_sal_oemcall(struct ia64_sal_retval *isrvp, u64 oemfunc, u64 arg1,
+                u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6, u64 arg7)
+{
+       if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+               return -1;
+       SAL_CALL(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
+       return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall);
+
+int
+ia64_sal_oemcall_nolock(struct ia64_sal_retval *isrvp, u64 oemfunc, u64 arg1,
+                       u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6,
+                       u64 arg7)
+{
+       if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+               return -1;
+       SAL_CALL_NOLOCK(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6,
+                       arg7);
+       return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall_nolock);
+
+int
+ia64_sal_oemcall_reentrant(struct ia64_sal_retval *isrvp, u64 oemfunc,
+                          u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5,
+                          u64 arg6, u64 arg7)
+{
+       if (oemfunc < IA64_SAL_OEMFUNC_MIN || oemfunc > IA64_SAL_OEMFUNC_MAX)
+               return -1;
+       SAL_CALL_REENTRANT(*isrvp, oemfunc, arg1, arg2, arg3, arg4, arg5, arg6,
+                          arg7);
+       return 0;
+}
+EXPORT_SYMBOL(ia64_sal_oemcall_reentrant);