1 #ifndef _ASM_IA64_SN_SN_SAL_H
2 #define _ASM_IA64_SN_SN_SAL_H
5 * System Abstraction Layer definitions for IA64
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive
11 * Copyright (c) 2000-2006 Silicon Graphics, Inc. All rights reserved.
14 #include <linux/types.h>
18 #define SN_SAL_GET_PARTITION_ADDR 0x02000009
19 #define SN_SAL_MEMPROTECT 0x0200003e
21 #define SN_SAL_WATCHLIST_ALLOC 0x02000070
22 #define SN_SAL_WATCHLIST_FREE 0x02000071
27 #define SALRET_MORE_PASSES 1
29 #define SALRET_NOT_IMPLEMENTED (-1)
30 #define SALRET_INVALID_ARG (-2)
31 #define SALRET_ERROR (-3)
34 * Returns the physical address of the partition's reserved page through
35 * an iterative number of calls.
37 * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
38 * set to the nasid of the partition whose reserved page's address is
40 * On subsequent calls, pass the values, that were passed back on the
43 * While the return status equals SALRET_MORE_PASSES, keep calling
44 * this function after first copying 'len' bytes starting at 'addr'
45 * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
46 * be the physical address of the partition's reserved page. If the
47 * return status equals neither of these, an error as occurred.
50 sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
52 struct ia64_sal_retval rv;
53 ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
54 *addr, buf, *len, 0, 0, 0);
62 * Change memory access protections for a physical address range.
63 * nasid_array is not used on Altix, but may be in future architectures.
64 * Available memory protection access classes are defined after the function.
67 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
69 struct ia64_sal_retval ret_stuff;
71 ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
72 (u64)nasid_array, perms, 0, 0, 0);
73 return ret_stuff.status;
75 #define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
76 #define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2
77 #define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca
78 #define SN_MEMPROT_ACCESS_CLASS_3 0x14a290
79 #define SN_MEMPROT_ACCESS_CLASS_6 0x084080
80 #define SN_MEMPROT_ACCESS_CLASS_7 0x021080
82 union sn_watchlist_u {
92 sn_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size,
93 unsigned long *intr_mmr_offset)
95 struct ia64_sal_retval rv;
97 union sn_watchlist_u size_blade;
100 addr = (unsigned long)mq;
101 size_blade.size = mq_size;
102 size_blade.blade = blade;
105 * bios returns watchlist number or negative error number.
107 ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_ALLOC, addr,
108 size_blade.val, (u64)intr_mmr_offset,
109 (u64)&watchlist, 0, 0, 0);
117 sn_mq_watchlist_free(int blade, int watchlist_num)
119 struct ia64_sal_retval rv;
120 ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_FREE, blade,
121 watchlist_num, 0, 0, 0, 0, 0);
124 #endif /* _ASM_IA64_SN_SN_SAL_H */