/*
* 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, 2000-2005 Silicon Graphics, Inc. All rights reserved.
*/

#ifndef _ASM_IA64_SN_GEO_H
#define _ASM_IA64_SN_GEO_H

/* The geoid_t implementation below is based loosely on the pcfg_t
implementation in sys/SN/promcfg.h. */

/* Type declaractions */

/* Size of a geoid_t structure (must be before decl. of geoid_u) */
#define GEOID_SIZE 8 /* Would 16 be better? The size can
be different on different platforms. */

#define MAX_SLOTS 0xf /* slots per module */
#define MAX_SLABS 0xf /* slabs per slot */

typedef unsigned char geo_type_t;

/* Fields common to all substructures */
typedef struct geo_common_s {
moduleid_t module; /* The module (box) this h/w lives in */
geo_type_t type; /* What type of h/w is named by this geoid_t */
slabid_t slab:4; /* slab (ASIC), 0 .. 15 within slot */
slotid_t slot:4; /* slot (Blade), 0 .. 15 within module */
} geo_common_t;

/* Additional fields for particular types of hardware */
typedef struct geo_node_s {
geo_common_t common; /* No additional fields needed */
} geo_node_t;

typedef struct geo_rtr_s {
geo_common_t common; /* No additional fields needed */
} geo_rtr_t;

typedef struct geo_iocntl_s {
geo_common_t common; /* No additional fields needed */
} geo_iocntl_t;

typedef struct geo_pcicard_s {
geo_iocntl_t common;
char bus; /* Bus/widget number */
char slot; /* PCI slot number */
} geo_pcicard_t;

/* Subcomponents of a node */
typedef struct geo_cpu_s {
geo_node_t node;
char slice; /* Which CPU on the node */
} geo_cpu_t;

typedef struct geo_mem_s {
geo_node_t node;
char membus; /* The memory bus on the node */
char memslot; /* The memory slot on the bus */
} geo_mem_t;


typedef union geoid_u {
geo_common_t common;
geo_node_t node;
geo_iocntl_t iocntl;
geo_pcicard_t pcicard;
geo_rtr_t rtr;
geo_cpu_t cpu;
geo_mem_t mem;
char padsize[GEOID_SIZE];
} geoid_t;


/* Preprocessor macros */

#define GEO_MAX_LEN 48 /* max. formatted length, plus some pad:
module/001c07/slab/5/node/memory/2/slot/4 */

/* Values for geo_type_t */
#define GEO_TYPE_INVALID 0
#define GEO_TYPE_MODULE 1
#define GEO_TYPE_NODE 2
#define GEO_TYPE_RTR 3
#define GEO_TYPE_IOCNTL 4
#define GEO_TYPE_IOCARD 5
#define GEO_TYPE_CPU 6
#define GEO_TYPE_MEM 7
#define GEO_TYPE_MAX (GEO_TYPE_MEM+1)

/* Parameter for hwcfg_format_geoid_compt() */
#define GEO_COMPT_MODULE 1
#define GEO_COMPT_SLAB 2
#define GEO_COMPT_IOBUS 3
#define GEO_COMPT_IOSLOT 4
#define GEO_COMPT_CPU 5
#define GEO_COMPT_MEMBUS 6
#define GEO_COMPT_MEMSLOT 7

#define GEO_INVALID_STR "<invalid>"

#define INVALID_NASID ((nasid_t)-1)
#define INVALID_CNODEID ((cnodeid_t)-1)
#define INVALID_PNODEID ((pnodeid_t)-1)
#define INVALID_SLAB (slabid_t)-1
#define INVALID_SLOT (slotid_t)-1
#define INVALID_MODULE ((moduleid_t)-1)

static inline slabid_t geo_slab(geoid_t g)
{
return (g.common.type == GEO_TYPE_INVALID) ?
INVALID_SLAB : g.common.slab;
}

static inline slotid_t geo_slot(geoid_t g)
{
return (g.common.type == GEO_TYPE_INVALID) ?
INVALID_SLOT : g.common.slot;
}

static inline moduleid_t geo_module(geoid_t g)
{
return (g.common.type == GEO_TYPE_INVALID) ?
INVALID_MODULE : g.common.module;
}

extern geoid_t cnodeid_get_geoid(cnodeid_t cnode);

#endif /* _ASM_IA64_SN_GEO_H */