[Xen-ia64-devel] [patch] SN2 specific SAL calls for dom0

[Jes Sorensen <jes@xxxxxxx>]

Hi,

We need these calls passed on to the PROM for SN2. Calling them on non
SN2 PROMs will just result in an error so it should be harmless.

Cheers,
Jes

# HG changeset patch
# User jes@xxxxxxxxxxxxxxxx
# Date 1172670717 -3600
# Node ID 207e879bfb4bc56e78bdc15619f231d7699c3832
# Parent  18dd07d55851bcc7c33771fc8cc12a2385b8fd34
emulate sn2 specific SAL calls for dom0

Signed-off-by: Jes Sorensen <jes@xxxxxxx>

diff -r 18dd07d55851 -r 207e879bfb4b xen/arch/ia64/xen/fw_emul.c
--- a/xen/arch/ia64/xen/fw_emul.c       Tue Jan 16 04:02:16 2007 +0100
+++ b/xen/arch/ia64/xen/fw_emul.c       Wed Feb 28 14:51:57 2007 +0100
@@ -22,6 +22,7 @@
 #include <linux/efi.h>
 #include <asm/pal.h>
 #include <asm/sal.h>
+#include <asm/sn/sn_sal.h>
 #include <asm/xenmca.h>
 
 #include <public/sched.h>
@@ -130,6 +131,7 @@ sal_emulator (long index, unsigned long 
              unsigned long in3, unsigned long in4, unsigned long in5,
              unsigned long in6, unsigned long in7)
 {
+       struct ia64_sal_retval ret_stuff;
        unsigned long r9  = 0;
        unsigned long r10 = 0;
        long r11 = 0;
@@ -370,8 +372,64 @@ sal_emulator (long index, unsigned long 
            case SAL_UPDATE_PAL:
                printk("*** CALLED SAL_UPDATE_PAL.  IGNORED...\n");
                break;
+           case SN_SAL_GET_MASTER_NASID:
+               if (current->domain == dom0) {
+                       printk("*** Emulating SN_SAL_GET_MASTER_NASID ***\n");
+                       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_MASTER_NASID,
+                                       0, 0, 0, 0, 0, 0, 0);
+                       status = ret_stuff.status;
+                       r9 = ret_stuff.v0;
+                       r10 = ret_stuff.v1;
+                       r11 = ret_stuff.v2;
+                       break;
+               }
+           case SN_SAL_GET_KLCONFIG_ADDR:
+               if (current->domain == dom0) {
+                       printk("*** Emulating SN_SAL_GET_KLCONFIG_ADDR ***\n");
+                       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR,
+                                       in1, 0, 0, 0, 0, 0, 0);
+                       status = ret_stuff.status;
+                       r9 = ret_stuff.v0;
+                       r10 = ret_stuff.v1;
+                       r11 = ret_stuff.v2;
+                       break;
+               }
+           case SN_SAL_GET_SAPIC_INFO:
+               if (current->domain == dom0) {
+                       printk("*** Emulating SN_SAL_GET_SAPIC_INFO ***\n");
+                       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, in1,
+                                       0, 0, 0, 0, 0, 0);
+                       status = ret_stuff.status;
+                       r9 = ret_stuff.v0;
+                       r10 = ret_stuff.v1;
+                       r11 = ret_stuff.v2;
+                       break;
+               }
+           case SN_SAL_GET_SN_INFO:
+               if (current->domain == dom0) {
+                       printk("*** Emulating SN_SAL_GET_SN_INFO ***\n");
+                       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, in1,
+                                       0, 0, 0, 0, 0, 0);
+                       status = ret_stuff.status;
+                       r9 = ret_stuff.v0;
+                       r10 = ret_stuff.v1;
+                       r11 = ret_stuff.v2;
+                       break;
+               }
+           case SN_SAL_IOIF_GET_HUBDEV_INFO:
+               if (current->domain == dom0) {
+                       printk("*** Emulating SN_SAL_IOIF_GET_HUBDEV_INFO 
***\n");
+                       SAL_CALL_NOLOCK(ret_stuff, SN_SAL_IOIF_GET_HUBDEV_INFO,
+                                       in1, in2, 0, 0, 0, 0, 0);
+                       status = ret_stuff.status;
+                       r9 = ret_stuff.v0;
+                       r10 = ret_stuff.v1;
+                       r11 = ret_stuff.v2;
+                       break;
+               }
            default:
-               printk("*** CALLED SAL_ WITH UNKNOWN INDEX.  IGNORED...\n");
+               printk("*** CALLED SAL_ WITH UNKNOWN INDEX (%lx).  "
+                      "IGNORED...\n", index);
                status = -1;
                break;
        }

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