247 lines
10 KiB
C
247 lines
10 KiB
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Derived from IRIX <sys/SN/klconfig.h>.
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*
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* Copyright (C) 1992-1997,1999,2001-2004 Silicon Graphics, Inc. All Rights Reserved.
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* Copyright (C) 1999 by Ralf Baechle
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*/
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#ifndef _ASM_IA64_SN_KLCONFIG_H
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#define _ASM_IA64_SN_KLCONFIG_H
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/*
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* The KLCONFIG structures store info about the various BOARDs found
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* during Hardware Discovery. In addition, it stores info about the
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* components found on the BOARDs.
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*/
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typedef s32 klconf_off_t;
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/* Functions/macros needed to use this structure */
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typedef struct kl_config_hdr {
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char pad[20];
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klconf_off_t ch_board_info; /* the link list of boards */
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char pad0[88];
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} kl_config_hdr_t;
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#define NODE_OFFSET_TO_LBOARD(nasid,off) (lboard_t*)(GLOBAL_CAC_ADDR((nasid), (off)))
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/*
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* The KLCONFIG area is organized as a LINKED LIST of BOARDs. A BOARD
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* can be either 'LOCAL' or 'REMOTE'. LOCAL means it is attached to
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* the LOCAL/current NODE. REMOTE means it is attached to a different
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* node.(TBD - Need a way to treat ROUTER boards.)
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*
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* There are 2 different structures to represent these boards -
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* lboard - Local board, rboard - remote board. These 2 structures
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* can be arbitrarily mixed in the LINKED LIST of BOARDs. (Refer
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* Figure below). The first byte of the rboard or lboard structure
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* is used to find out its type - no unions are used.
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* If it is a lboard, then the config info of this board will be found
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* on the local node. (LOCAL NODE BASE + offset value gives pointer to
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* the structure.
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* If it is a rboard, the local structure contains the node number
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* and the offset of the beginning of the LINKED LIST on the remote node.
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* The details of the hardware on a remote node can be built locally,
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* if required, by reading the LINKED LIST on the remote node and
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* ignoring all the rboards on that node.
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*
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* The local node uses the REMOTE NODE NUMBER + OFFSET to point to the
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* First board info on the remote node. The remote node list is
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* traversed as the local list, using the REMOTE BASE ADDRESS and not
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* the local base address and ignoring all rboard values.
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*
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*
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KLCONFIG
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+------------+ +------------+ +------------+ +------------+
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| lboard | +-->| lboard | +-->| rboard | +-->| lboard |
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+------------+ | +------------+ | +------------+ | +------------+
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| board info | | | board info | | |errinfo,bptr| | | board info |
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+------------+ | +------------+ | +------------+ | +------------+
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| offset |--+ | offset |--+ | offset |--+ |offset=NULL |
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+------------+ +------------+ +------------+ +------------+
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+------------+
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| board info |
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+------------+ +--------------------------------+
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| compt 1 |------>| type, rev, diaginfo, size ... | (CPU)
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+------------+ +--------------------------------+
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| compt 2 |--+
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+------------+ | +--------------------------------+
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| ... | +--->| type, rev, diaginfo, size ... | (MEM_BANK)
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+------------+ +--------------------------------+
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| errinfo |--+
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+------------+ | +--------------------------------+
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+--->|r/l brd errinfo,compt err flags |
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+--------------------------------+
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*
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* Each BOARD consists of COMPONENTs and the BOARD structure has
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* pointers (offsets) to its COMPONENT structure.
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* The COMPONENT structure has version info, size and speed info, revision,
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* error info and the NIC info. This structure can accommodate any
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* BOARD with arbitrary COMPONENT composition.
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*
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* The ERRORINFO part of each BOARD has error information
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* that describes errors about the BOARD itself. It also has flags to
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* indicate the COMPONENT(s) on the board that have errors. The error
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* information specific to the COMPONENT is present in the respective
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* COMPONENT structure.
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*
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* The ERRORINFO structure is also treated like a COMPONENT, ie. the
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* BOARD has pointers(offset) to the ERRORINFO structure. The rboard
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* structure also has a pointer to the ERRORINFO structure. This is
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* the place to store ERRORINFO about a REMOTE NODE, if the HUB on
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* that NODE is not working or if the REMOTE MEMORY is BAD. In cases where
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* only the CPU of the REMOTE NODE is disabled, the ERRORINFO pointer can
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* be a NODE NUMBER, REMOTE OFFSET combination, pointing to error info
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* which is present on the REMOTE NODE.(TBD)
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* REMOTE ERRINFO can be stored on any of the nearest nodes
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* or on all the nearest nodes.(TBD)
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* Like BOARD structures, REMOTE ERRINFO structures can be built locally
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* using the rboard errinfo pointer.
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*
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* In order to get useful information from this Data organization, a set of
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* interface routines are provided (TBD). The important thing to remember while
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* manipulating the structures, is that, the NODE number information should
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* be used. If the NODE is non-zero (remote) then each offset should
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* be added to the REMOTE BASE ADDR else it should be added to the LOCAL BASE ADDR.
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* This includes offsets for BOARDS, COMPONENTS and ERRORINFO.
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*
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* Note that these structures do not provide much info about connectivity.
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* That info will be part of HWGRAPH, which is an extension of the cfg_t
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* data structure. (ref IP27prom/cfg.h) It has to be extended to include
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* the IO part of the Network(TBD).
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*
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* The data structures below define the above concepts.
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*/
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/*
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* BOARD classes
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*/
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#define KLCLASS_MASK 0xf0
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#define KLCLASS_NONE 0x00
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#define KLCLASS_NODE 0x10 /* CPU, Memory and HUB board */
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#define KLCLASS_CPU KLCLASS_NODE
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#define KLCLASS_IO 0x20 /* BaseIO, 4 ch SCSI, ethernet, FDDI
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and the non-graphics widget boards */
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#define KLCLASS_ROUTER 0x30 /* Router board */
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#define KLCLASS_MIDPLANE 0x40 /* We need to treat this as a board
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so that we can record error info */
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#define KLCLASS_IOBRICK 0x70 /* IP35 iobrick */
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#define KLCLASS_MAX 8 /* Bump this if a new CLASS is added */
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#define KLCLASS(_x) ((_x) & KLCLASS_MASK)
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/*
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* board types
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*/
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#define KLTYPE_MASK 0x0f
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#define KLTYPE(_x) ((_x) & KLTYPE_MASK)
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#define KLTYPE_SNIA (KLCLASS_CPU | 0x1)
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#define KLTYPE_TIO (KLCLASS_CPU | 0x2)
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#define KLTYPE_ROUTER (KLCLASS_ROUTER | 0x1)
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#define KLTYPE_META_ROUTER (KLCLASS_ROUTER | 0x3)
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#define KLTYPE_REPEATER_ROUTER (KLCLASS_ROUTER | 0x4)
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#define KLTYPE_IOBRICK_XBOW (KLCLASS_MIDPLANE | 0x2)
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#define KLTYPE_IOBRICK (KLCLASS_IOBRICK | 0x0)
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#define KLTYPE_NBRICK (KLCLASS_IOBRICK | 0x4)
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#define KLTYPE_PXBRICK (KLCLASS_IOBRICK | 0x6)
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#define KLTYPE_IXBRICK (KLCLASS_IOBRICK | 0x7)
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#define KLTYPE_CGBRICK (KLCLASS_IOBRICK | 0x8)
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#define KLTYPE_OPUSBRICK (KLCLASS_IOBRICK | 0x9)
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#define KLTYPE_SABRICK (KLCLASS_IOBRICK | 0xa)
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#define KLTYPE_IABRICK (KLCLASS_IOBRICK | 0xb)
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#define KLTYPE_PABRICK (KLCLASS_IOBRICK | 0xc)
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#define KLTYPE_GABRICK (KLCLASS_IOBRICK | 0xd)
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/*
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* board structures
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*/
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#define MAX_COMPTS_PER_BRD 24
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typedef struct lboard_s {
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klconf_off_t brd_next_any; /* Next BOARD */
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unsigned char struct_type; /* type of structure, local or remote */
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unsigned char brd_type; /* type+class */
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unsigned char brd_sversion; /* version of this structure */
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unsigned char brd_brevision; /* board revision */
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unsigned char brd_promver; /* board prom version, if any */
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unsigned char brd_flags; /* Enabled, Disabled etc */
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unsigned char brd_slot; /* slot number */
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unsigned short brd_debugsw; /* Debug switches */
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geoid_t brd_geoid; /* geo id */
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partid_t brd_partition; /* Partition number */
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unsigned short brd_diagval; /* diagnostic value */
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unsigned short brd_diagparm; /* diagnostic parameter */
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unsigned char brd_inventory; /* inventory history */
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unsigned char brd_numcompts; /* Number of components */
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nic_t brd_nic; /* Number in CAN */
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nasid_t brd_nasid; /* passed parameter */
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klconf_off_t brd_compts[MAX_COMPTS_PER_BRD]; /* pointers to COMPONENTS */
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klconf_off_t brd_errinfo; /* Board's error information */
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struct lboard_s *brd_parent; /* Logical parent for this brd */
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char pad0[4];
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unsigned char brd_confidence; /* confidence that the board is bad */
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nasid_t brd_owner; /* who owns this board */
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unsigned char brd_nic_flags; /* To handle 8 more NICs */
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char pad1[24]; /* future expansion */
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char brd_name[32];
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nasid_t brd_next_same_host; /* host of next brd w/same nasid */
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klconf_off_t brd_next_same; /* Next BOARD with same nasid */
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} lboard_t;
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/*
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* Generic info structure. This stores common info about a
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* component.
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*/
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typedef struct klinfo_s { /* Generic info */
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unsigned char struct_type; /* type of this structure */
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unsigned char struct_version; /* version of this structure */
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unsigned char flags; /* Enabled, disabled etc */
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unsigned char revision; /* component revision */
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unsigned short diagval; /* result of diagnostics */
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unsigned short diagparm; /* diagnostic parameter */
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unsigned char inventory; /* previous inventory status */
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unsigned short partid; /* widget part number */
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nic_t nic; /* MUst be aligned properly */
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unsigned char physid; /* physical id of component */
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unsigned int virtid; /* virtual id as seen by system */
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unsigned char widid; /* Widget id - if applicable */
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nasid_t nasid; /* node number - from parent */
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char pad1; /* pad out structure. */
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char pad2; /* pad out structure. */
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void *data;
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klconf_off_t errinfo; /* component specific errors */
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unsigned short pad3; /* pci fields have moved over to */
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unsigned short pad4; /* klbri_t */
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} klinfo_t ;
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static inline lboard_t *find_lboard_next(lboard_t * brd)
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{
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if (brd && brd->brd_next_any)
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return NODE_OFFSET_TO_LBOARD(NASID_GET(brd), brd->brd_next_any);
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return NULL;
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}
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#endif /* _ASM_IA64_SN_KLCONFIG_H */
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