Convert some sn SAL_CALLs to ia64_sal_oemcall calls so that they can be
called by kernel modules.
Signed-off-by: Dean Nelson <[EMAIL PROTECTED]>
Index: linux-2.6/include/asm-ia64/sn/sn_sal.h
===================================================================
--- linux-2.6.orig/include/asm-ia64/sn/sn_sal.h 2005-03-23 08:26:36.877169780
-0600
+++ linux-2.6/include/asm-ia64/sn/sn_sal.h 2005-03-23 09:41:10.048563921
-0600
@@ -555,7 +555,8 @@
ia64_sn_partition_serial_get(void)
{
struct ia64_sal_retval ret_stuff;
- SAL_CALL(ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0, 0, 0, 0, 0, 0, 0);
+ ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0,
+ 0, 0, 0, 0, 0, 0);
if (ret_stuff.status != 0)
return 0;
return ret_stuff.v0;
@@ -563,11 +564,10 @@
static inline u64
sn_partition_serial_number_val(void) {
- if (sn_partition_serial_number) {
- return(sn_partition_serial_number);
- } else {
- return(sn_partition_serial_number =
ia64_sn_partition_serial_get());
+ if (unlikely(sn_partition_serial_number == 0)) {
+ sn_partition_serial_number = ia64_sn_partition_serial_get();
}
+ return sn_partition_serial_number;
}
/*
@@ -578,8 +578,8 @@
ia64_sn_sysctl_partition_get(nasid_t nasid)
{
struct ia64_sal_retval ret_stuff;
- SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
- 0, 0, 0, 0, 0, 0);
+ ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
+ 0, 0, 0, 0, 0, 0);
if (ret_stuff.status != 0)
return INVALID_PARTID;
return ((partid_t)ret_stuff.v0);
@@ -593,11 +593,38 @@
static inline partid_t
sn_local_partid(void) {
- if (sn_partid < 0) {
- return (sn_partid =
ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id())));
- } else {
- return sn_partid;
+ if (unlikely(sn_partid < 0)) {
+ sn_partid =
ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id()));
}
+ return sn_partid;
+}
+
+/*
+ * Returns the physical address of the partition's reserved page through
+ * an iterative number of calls.
+ *
+ * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
+ * set to the nasid of the partition whose reserved page's address is
+ * being sought.
+ * On subsequent calls, pass the values, that were passed back on the
+ * previous call.
+ *
+ * While the return status equals SALRET_MORE_PASSES, keep calling
+ * this function after first copying 'len' bytes starting at 'addr'
+ * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
+ * be the physical address of the partition's reserved page. If the
+ * return status equals neither of these, an error as occurred.
+ */
+static inline s64
+sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
+{
+ struct ia64_sal_retval rv;
+ ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
+ *addr, buf, *len, 0, 0, 0);
+ *cookie = rv.v0;
+ *addr = rv.v1;
+ *len = rv.v2;
+ return rv.status;
}
/*
@@ -619,8 +646,8 @@
sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
{
struct ia64_sal_retval ret_stuff;
- SAL_CALL(ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len, (u64)operation,
- 0, 0, 0, 0);
+ ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len,
+ (u64)operation, 0, 0, 0, 0);
return ret_stuff.status;
}
@@ -644,8 +671,8 @@
} else {
call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
}
- SAL_CALL(ret_stuff, call, start_addr, end_addr, return_addr, (u64)1,
- 0, 0, 0);
+ ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr,
+ (u64)1, 0, 0, 0);
return ret_stuff.status;
}
@@ -666,8 +693,8 @@
sn_change_coherence(u64 *new_domain, u64 *old_domain)
{
struct ia64_sal_retval ret_stuff;
- SAL_CALL(ret_stuff, SN_SAL_COHERENCE, new_domain, old_domain, 0, 0,
- 0, 0, 0);
+ ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain,
+ (u64)old_domain, 0, 0, 0, 0, 0);
return ret_stuff.status;
}
@@ -686,8 +713,8 @@
cnodeid = nasid_to_cnodeid(get_node_number(paddr));
// spin_lock(&NODEPDA(cnodeid)->bist_lock);
local_irq_save(irq_flags);
- SAL_CALL_NOLOCK(ret_stuff, SN_SAL_MEMPROTECT, paddr, len, nasid_array,
- perms, 0, 0, 0);
+ ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
+ (u64)nasid_array, perms, 0, 0, 0);
local_irq_restore(irq_flags);
// spin_unlock(&NODEPDA(cnodeid)->bist_lock);
return ret_stuff.status;
-
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