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/*
 * 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.
 *
 * SGI specific setup.
 *
 * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
 * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
 */
#ifndef _ASM_SN_ARCH_H
#define _ASM_SN_ARCH_H

#include <linux/types.h>
#include <asm/sn/types.h>
#ifdef CONFIG_SGI_IP27
#include <asm/sn/sn0/arch.h>
#endif

typedef u64	hubreg_t;

#define cputonasid(cpu)		(sn_cpu_info[(cpu)].p_nasid)
#define cputoslice(cpu)		(sn_cpu_info[(cpu)].p_slice)
#define makespnum(_nasid, _slice)					\
		(((_nasid) << CPUS_PER_NODE_SHFT) | (_slice))

#define INVALID_NASID		(nasid_t)-1
#define INVALID_CNODEID		(cnodeid_t)-1
#define INVALID_PNODEID		(pnodeid_t)-1
#define INVALID_MODULE		(moduleid_t)-1
#define INVALID_PARTID		(partid_t)-1

extern nasid_t get_nasid(void);
extern cnodeid_t get_cpu_cnode(cpuid_t);
extern int get_cpu_slice(cpuid_t);

/*
 * NO ONE should access these arrays directly.	The only reason we refer to
 * them here is to avoid the procedure call that would be required in the
 * macros below.  (Really want private data members here :-)
 */
extern cnodeid_t nasid_to_compact_node[MAX_NASIDS];
extern nasid_t compact_to_nasid_node[MAX_COMPACT_NODES];

/*
 * These macros are used by various parts of the kernel to convert
 * between the three different kinds of node numbering.	  At least some
 * of them may change to procedure calls in the future, but the macros
 * will continue to work.  Don't use the arrays above directly.
 */

#define NASID_TO_REGION(nnode)		\
    ((nnode) >> \
     (is_fine_dirmode() ? NASID_TO_FINEREG_SHFT : NASID_TO_COARSEREG_SHFT))

extern cnodeid_t nasid_to_compact_node[MAX_NASIDS];
extern nasid_t compact_to_nasid_node[MAX_COMPACT_NODES];
extern cnodeid_t cpuid_to_compact_node[MAXCPUS];

#define NASID_TO_COMPACT_NODEID(nnode)	(nasid_to_compact_node[nnode])
#define COMPACT_TO_NASID_NODEID(cnode)	(compact_to_nasid_node[cnode])
#define CPUID_TO_COMPACT_NODEID(cpu)	(cpuid_to_compact_node[(cpu)])

#endif /* _ASM_SN_ARCH_H */

Filemanager

Name Type Size Permission Actions
sn0 Folder 0755
addrs.h File 14.41 KB 0644
agent.h File 1.13 KB 0644
arch.h File 2.08 KB 0644
fru.h File 1.45 KB 0644
gda.h File 3.17 KB 0644
hub.h File 455 B 0644
intr.h File 3.02 KB 0644
io.h File 1.83 KB 0644
ioc3.h File 24.53 KB 0644
klconfig.h File 30.02 KB 0644
kldir.h File 7.87 KB 0644
klkernvars.h File 612 B 0644
launch.h File 3.34 KB 0644
mapped_kernel.h File 1.95 KB 0644
nmi.h File 3.31 KB 0644
sn_private.h File 585 B 0644
types.h File 890 B 0644