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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.
 *
 * Derived from IRIX <sys/SN/gda.h>.
 *
 * Copyright (C) 1992 - 1997, 2000 Silicon Graphics, Inc.
 *
 * gda.h -- Contains the data structure for the global data area,
 *	The GDA contains information communicated between the
 *	PROM, SYMMON, and the kernel.
 */
#ifndef _ASM_SN_GDA_H
#define _ASM_SN_GDA_H

#include <asm/sn/addrs.h>

#define GDA_MAGIC	0x58464552

/*
 * GDA Version History
 *
 * Version #	| Change
 * -------------+-------------------------------------------------------
 *	1	| Initial SN0 version
 *	2	| Prom sets g_partid field to the partition number. 0 IS
 *		| a valid partition #.
 */

#define GDA_VERSION	2	/* Current GDA version # */

#define G_MAGICOFF	0
#define G_VERSIONOFF	4
#define G_PROMOPOFF	6
#define G_MASTEROFF	8
#define G_VDSOFF	12
#define G_HKDNORMOFF	16
#define G_HKDUTLBOFF	24
#define G_HKDXUTLBOFF	32
#define G_PARTIDOFF	40
#define G_TABLEOFF	128

#ifndef __ASSEMBLY__

typedef struct gda {
	u32	g_magic;	/* GDA magic number */
	u16	g_version;	/* Version of this structure */
	u16	g_masterid;	/* The NASID:CPUNUM of the master cpu */
	u32	g_promop;	/* Passes requests from the kernel to prom */
	u32	g_vds;		/* Store the virtual dipswitches here */
	void	**g_hooked_norm;/* ptr to pda loc for norm hndlr */
	void	**g_hooked_utlb;/* ptr to pda loc for utlb hndlr */
	void	**g_hooked_xtlb;/* ptr to pda loc for xtlb hndlr */
	int	g_partid;	/* partition id */
	int	g_symmax;	/* Max symbols in name table. */
	void	*g_dbstab;	/* Address of idbg symbol table */
	char	*g_nametab;	/* Address of idbg name table */
	void	*g_ktext_repmask;
				/* Pointer to a mask of nodes with copies
				 * of the kernel. */
	char	g_padding[56];	/* pad out to 128 bytes */
	nasid_t g_nasidtable[MAX_COMPACT_NODES]; /* NASID of each node,
						  * indexed by cnodeid.
						  */
} gda_t;

#define GDA ((gda_t*) GDA_ADDR(get_nasid()))

#endif /* !__ASSEMBLY__ */
/*
 * Define:	PART_GDA_VERSION
 * Purpose:	Define the minimum version of the GDA required, lower
 *		revisions assume GDA is NOT set up, and read partition
 *		information from the board info.
 */
#define PART_GDA_VERSION	2

/*
 * The following requests can be sent to the PROM during startup.
 */

#define PROMOP_MAGIC		0x0ead0000
#define PROMOP_MAGIC_MASK	0x0fff0000

#define PROMOP_BIST_SHIFT	11
#define PROMOP_BIST_MASK	(0x3 << 11)

#define PROMOP_REG		PI_ERR_STACK_ADDR_A

#define PROMOP_INVALID		(PROMOP_MAGIC | 0x00)
#define PROMOP_HALT		(PROMOP_MAGIC | 0x10)
#define PROMOP_POWERDOWN	(PROMOP_MAGIC | 0x20)
#define PROMOP_RESTART		(PROMOP_MAGIC | 0x30)
#define PROMOP_REBOOT		(PROMOP_MAGIC | 0x40)
#define PROMOP_IMODE		(PROMOP_MAGIC | 0x50)

#define PROMOP_CMD_MASK		0x00f0
#define PROMOP_OPTIONS_MASK	0xfff0

#define PROMOP_SKIP_DIAGS	0x0100		/* don't bother running diags */
#define PROMOP_SKIP_MEMINIT	0x0200		/* don't bother initing memory */
#define PROMOP_SKIP_DEVINIT	0x0400		/* don't bother initing devices */
#define PROMOP_BIST1		0x0800		/* keep track of which BIST ran */
#define PROMOP_BIST2		0x1000		/* keep track of which BIST ran */

#endif /* _ASM_SN_GDA_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