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-rw-r--r--arch/ia64/include/asm/sn/intr.h15
-rw-r--r--arch/ia64/include/asm/sn/sn_sal.h124
2 files changed, 139 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/sn/intr.h b/arch/ia64/include/asm/sn/intr.h
new file mode 100644
index 000000000..3885a77b2
--- /dev/null
+++ b/arch/ia64/include/asm/sn/intr.h
@@ -0,0 +1,15 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#ifndef _ASM_IA64_SN_INTR_H
+#define _ASM_IA64_SN_INTR_H
+
+#define SGI_XPC_ACTIVATE 0x30
+#define SGI_XPC_NOTIFY 0xe7
+
+#endif /* _ASM_IA64_SN_INTR_H */
diff --git a/arch/ia64/include/asm/sn/sn_sal.h b/arch/ia64/include/asm/sn/sn_sal.h
new file mode 100644
index 000000000..d437aa433
--- /dev/null
+++ b/arch/ia64/include/asm/sn/sn_sal.h
@@ -0,0 +1,124 @@
+#ifndef _ASM_IA64_SN_SN_SAL_H
+#define _ASM_IA64_SN_SN_SAL_H
+
+/*
+ * System Abstraction Layer definitions for IA64
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc. All rights reserved.
+ */
+
+#include <linux/types.h>
+#include <asm/sal.h>
+
+// SGI Specific Calls
+#define SN_SAL_GET_PARTITION_ADDR 0x02000009
+#define SN_SAL_MEMPROTECT 0x0200003e
+
+#define SN_SAL_WATCHLIST_ALLOC 0x02000070
+#define SN_SAL_WATCHLIST_FREE 0x02000071
+
+/*
+ * SAL Error Codes
+ */
+#define SALRET_MORE_PASSES 1
+#define SALRET_OK 0
+#define SALRET_NOT_IMPLEMENTED (-1)
+#define SALRET_INVALID_ARG (-2)
+#define SALRET_ERROR (-3)
+
+/*
+ * 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;
+}
+
+/*
+ * Change memory access protections for a physical address range.
+ * nasid_array is not used on Altix, but may be in future architectures.
+ * Available memory protection access classes are defined after the function.
+ */
+static inline int
+sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
+{
+ struct ia64_sal_retval ret_stuff;
+
+ ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
+ (u64)nasid_array, perms, 0, 0, 0);
+ return ret_stuff.status;
+}
+#define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
+#define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2
+#define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca
+#define SN_MEMPROT_ACCESS_CLASS_3 0x14a290
+#define SN_MEMPROT_ACCESS_CLASS_6 0x084080
+#define SN_MEMPROT_ACCESS_CLASS_7 0x021080
+
+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 */