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Current File : /usr/lib/modules/5.15.0-1084-aws/build/arch/mips/include/asm/sn/klconfig.h
/*
 * 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/klconfig.h>.
 *
 * Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc.
 * Copyright (C) 1999, 2000 by Ralf Baechle
 */
#ifndef _ASM_SN_KLCONFIG_H
#define _ASM_SN_KLCONFIG_H

/*
 * The KLCONFIG structures store info about the various BOARDs found
 * during Hardware Discovery. In addition, it stores info about the
 * components found on the BOARDs.
 */

/*
 * WARNING:
 *	Certain assembly language routines (notably xxxxx.s) in the IP27PROM
 *	will depend on the format of the data structures in this file.	In
 *	most cases, rearranging the fields can seriously break things.
 *	Adding fields in the beginning or middle can also break things.
 *	Add fields if necessary, to the end of a struct in such a way
 *	that offsets of existing fields do not change.
 */

#include <linux/types.h>
#include <asm/sn/types.h>

#if defined(CONFIG_SGI_IP27)

#include <asm/sn/sn0/addrs.h>
//#include <sys/SN/router.h>
// XXX Stolen from <sys/SN/router.h>:
#define MAX_ROUTER_PORTS (6)	/* Max. number of ports on a router */
#include <asm/sn/fru.h>
//#include <sys/graph.h>
//#include <sys/xtalk/xbow.h>

#elif defined(CONFIG_SGI_IP35)

#include <asm/sn/sn1/addrs.h>
#include <sys/sn/router.h>
#include <sys/graph.h>
#include <asm/xtalk/xbow.h>

#endif /* !CONFIG_SGI_IP27 && !CONFIG_SGI_IP35 */

#if defined(CONFIG_SGI_IP27) || defined(CONFIG_SGI_IP35)
#include <asm/sn/agent.h>
#include <asm/fw/arc/types.h>
#include <asm/fw/arc/hinv.h>
#if defined(CONFIG_SGI_IP35)
// The hack file has to be before vector and after sn0_fru....
#include <asm/hack.h>
#include <asm/sn/vector.h>
#include <asm/xtalk/xtalk.h>
#endif /* CONFIG_SGI_IP35 */
#endif /* CONFIG_SGI_IP27 || CONFIG_SGI_IP35 */

typedef u64  nic_t;

#define KLCFGINFO_MAGIC 0xbeedbabe

typedef s32 klconf_off_t;

/*
 * Some IMPORTANT OFFSETS. These are the offsets on all NODES.
 */
#define MAX_MODULE_ID		255
#define SIZE_PAD		4096 /* 4k padding for structures */
/*
 * 1 NODE brd, 2 Router brd (1 8p, 1 meta), 6 Widgets,
 * 2 Midplanes assuming no pci card cages
 */
#define MAX_SLOTS_PER_NODE	(1 + 2 + 6 + 2)

/* XXX if each node is guaranteed to have some memory */

#define MAX_PCI_DEVS		8

/* lboard_t->brd_flags fields */
/* All bits in this field are currently used. Try the pad fields if
   you need more flag bits */

#define ENABLE_BOARD		0x01
#define FAILED_BOARD		0x02
#define DUPLICATE_BOARD		0x04	/* Boards like midplanes/routers which
					   are discovered twice. Use one of them */
#define VISITED_BOARD		0x08	/* Used for compact hub numbering. */
#define LOCAL_MASTER_IO6	0x10	/* master io6 for that node */
#define GLOBAL_MASTER_IO6	0x20
#define THIRD_NIC_PRESENT	0x40	/* for future use */
#define SECOND_NIC_PRESENT	0x80	/* addons like MIO are present */

/* klinfo->flags fields */

#define KLINFO_ENABLE		0x01	/* This component is enabled */
#define KLINFO_FAILED		0x02	/* This component failed */
#define KLINFO_DEVICE		0x04	/* This component is a device */
#define KLINFO_VISITED		0x08	/* This component has been visited */
#define KLINFO_CONTROLLER	0x10	/* This component is a device controller */
#define KLINFO_INSTALL		0x20	/* Install a driver */
#define KLINFO_HEADLESS		0x40	/* Headless (or hubless) component */
#define IS_CONSOLE_IOC3(i)	((((klinfo_t *)i)->flags) & KLINFO_INSTALL)

#define GB2		0x80000000

#define MAX_RSV_PTRS	32

/* Structures to manage various data storage areas */
/* The numbers must be contiguous since the array index i
   is used in the code to allocate various areas.
*/

#define BOARD_STRUCT		0
#define COMPONENT_STRUCT	1
#define ERRINFO_STRUCT		2
#define KLMALLOC_TYPE_MAX	(ERRINFO_STRUCT + 1)
#define DEVICE_STRUCT		3


typedef struct console_s {
	unsigned long	uart_base;
	unsigned long	config_base;
	unsigned long	memory_base;
	short		baud;
	short		flag;
	int		type;
	nasid_t		nasid;
	char		wid;
	char		npci;
	nic_t		baseio_nic;
} console_t;

typedef struct klc_malloc_hdr {
	klconf_off_t km_base;
	klconf_off_t km_limit;
	klconf_off_t km_current;
} klc_malloc_hdr_t;

/* Functions/macros needed to use this structure */

typedef struct kl_config_hdr {
	u64		ch_magic;	/* set this to KLCFGINFO_MAGIC */
	u32		ch_version;    /* structure version number */
	klconf_off_t	ch_malloc_hdr_off; /* offset of ch_malloc_hdr */
	klconf_off_t	ch_cons_off;	   /* offset of ch_cons */
	klconf_off_t	ch_board_info;	/* the link list of boards */
	console_t	ch_cons_info;	/* address info of the console */
	klc_malloc_hdr_t ch_malloc_hdr[KLMALLOC_TYPE_MAX];
	confidence_t	ch_sw_belief;	/* confidence that software is bad*/
	confidence_t	ch_sn0net_belief; /* confidence that sn0net is bad */
} kl_config_hdr_t;


#define KL_CONFIG_HDR(_nasid)	((kl_config_hdr_t *)(KLCONFIG_ADDR(_nasid)))
#define KL_CONFIG_INFO_OFFSET(_nasid)					\
	(KL_CONFIG_HDR(_nasid)->ch_board_info)
#define KL_CONFIG_INFO_SET_OFFSET(_nasid, _off)				\
	(KL_CONFIG_HDR(_nasid)->ch_board_info = (_off))

#define KL_CONFIG_INFO(_nasid)						\
	(lboard_t *)((KL_CONFIG_HDR(_nasid)->ch_board_info) ?		\
	 NODE_OFFSET_TO_K1((_nasid), KL_CONFIG_HDR(_nasid)->ch_board_info) : \
	 0)
#define KL_CONFIG_MAGIC(_nasid)		(KL_CONFIG_HDR(_nasid)->ch_magic)

#define KL_CONFIG_CHECK_MAGIC(_nasid)					\
	(KL_CONFIG_HDR(_nasid)->ch_magic == KLCFGINFO_MAGIC)

#define KL_CONFIG_HDR_INIT_MAGIC(_nasid)	\
		  (KL_CONFIG_HDR(_nasid)->ch_magic = KLCFGINFO_MAGIC)

/* --- New Macros for the changed kl_config_hdr_t structure --- */

#define PTR_CH_MALLOC_HDR(_k)	((klc_malloc_hdr_t *)\
			((unsigned long)_k + (_k->ch_malloc_hdr_off)))

#define KL_CONFIG_CH_MALLOC_HDR(_n)   PTR_CH_MALLOC_HDR(KL_CONFIG_HDR(_n))

#define PTR_CH_CONS_INFO(_k)	((console_t *)\
			((unsigned long)_k + (_k->ch_cons_off)))

#define KL_CONFIG_CH_CONS_INFO(_n)   PTR_CH_CONS_INFO(KL_CONFIG_HDR(_n))

/* ------------------------------------------------------------- */

#define KL_CONFIG_INFO_START(_nasid)	\
	(klconf_off_t)(KLCONFIG_OFFSET(_nasid) + sizeof(kl_config_hdr_t))

#define KL_CONFIG_BOARD_NASID(_brd)	((_brd)->brd_nasid)
#define KL_CONFIG_BOARD_SET_NEXT(_brd, _off)	((_brd)->brd_next = (_off))

#define KL_CONFIG_DUPLICATE_BOARD(_brd) ((_brd)->brd_flags & DUPLICATE_BOARD)

#define XBOW_PORT_TYPE_HUB(_xbowp, _link)	\
	       ((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_HUB)
#define XBOW_PORT_TYPE_IO(_xbowp, _link)	\
	       ((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_IO)

#define XBOW_PORT_IS_ENABLED(_xbowp, _link)	\
	       ((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_flag & XBOW_PORT_ENABLE)
#define XBOW_PORT_NASID(_xbowp, _link)	\
	       ((_xbowp)->xbow_port_info[(_link) - BASE_XBOW_PORT].port_nasid)

#define XBOW_PORT_IO	 0x1
#define XBOW_PORT_HUB	 0x2
#define XBOW_PORT_ENABLE 0x4

#define SN0_PORT_FENCE_SHFT	0
#define SN0_PORT_FENCE_MASK	(1 << SN0_PORT_FENCE_SHFT)

/*
 * The KLCONFIG area is organized as a LINKED LIST of BOARDs. A BOARD
 * can be either 'LOCAL' or 'REMOTE'. LOCAL means it is attached to
 * the LOCAL/current NODE. REMOTE means it is attached to a different
 * node.(TBD - Need a way to treat ROUTER boards.)
 *
 * There are 2 different structures to represent these boards -
 * lboard - Local board, rboard - remote board. These 2 structures
 * can be arbitrarily mixed in the LINKED LIST of BOARDs. (Refer
 * Figure below). The first byte of the rboard or lboard structure
 * is used to find out its type - no unions are used.
 * If it is a lboard, then the config info of this board will be found
 * on the local node. (LOCAL NODE BASE + offset value gives pointer to
 * the structure.
 * If it is a rboard, the local structure contains the node number
 * and the offset of the beginning of the LINKED LIST on the remote node.
 * The details of the hardware on a remote node can be built locally,
 * if required, by reading the LINKED LIST on the remote node and
 * ignoring all the rboards on that node.
 *
 * The local node uses the REMOTE NODE NUMBER + OFFSET to point to the
 * First board info on the remote node. The remote node list is
 * traversed as the local list, using the REMOTE BASE ADDRESS and not
 * the local base address and ignoring all rboard values.
 *
 *
 KLCONFIG

 +------------+	     +------------+	 +------------+	     +------------+
 |  lboard    |	 +-->|	 lboard	  |  +-->|   rboard   |	 +-->|	 lboard	  |
 +------------+	 |   +------------+  |	 +------------+	 |   +------------+
 | board info |	 |   | board info |  |	 |errinfo,bptr|	 |   | board info |
 +------------+	 |   +------------+  |	 +------------+	 |   +------------+
 | offset     |--+   |	offset	  |--+	 |  offset    |--+   |offset=NULL |
 +------------+	     +------------+	 +------------+	     +------------+


 +------------+
 | board info |
 +------------+	      +--------------------------------+
 | compt 1    |------>| type, rev, diaginfo, size ...  |  (CPU)
 +------------+	      +--------------------------------+
 | compt 2    |--+
 +------------+	 |    +--------------------------------+
 |  ...	      |	 +--->| type, rev, diaginfo, size ...  |  (MEM_BANK)
 +------------+	      +--------------------------------+
 | errinfo    |--+
 +------------+	 |    +--------------------------------+
		 +--->|r/l brd errinfo,compt err flags |
		      +--------------------------------+

 *
 * Each BOARD consists of COMPONENTs and the BOARD structure has
 * pointers (offsets) to its COMPONENT structure.
 * The COMPONENT structure has version info, size and speed info, revision,
 * error info and the NIC info. This structure can accommodate any
 * BOARD with arbitrary COMPONENT composition.
 *
 * The ERRORINFO part of each BOARD has error information
 * that describes errors about the BOARD itself. It also has flags to
 * indicate the COMPONENT(s) on the board that have errors. The error
 * information specific to the COMPONENT is present in the respective
 * COMPONENT structure.
 *
 * The ERRORINFO structure is also treated like a COMPONENT, ie. the
 * BOARD has pointers(offset) to the ERRORINFO structure. The rboard
 * structure also has a pointer to the ERRORINFO structure. This is
 * the place to store ERRORINFO about a REMOTE NODE, if the HUB on
 * that NODE is not working or if the REMOTE MEMORY is BAD. In cases where
 * only the CPU of the REMOTE NODE is disabled, the ERRORINFO pointer can
 * be a NODE NUMBER, REMOTE OFFSET combination, pointing to error info
 * which is present on the REMOTE NODE.(TBD)
 * REMOTE ERRINFO can be stored on any of the nearest nodes
 * or on all the nearest nodes.(TBD)
 * Like BOARD structures, REMOTE ERRINFO structures can be built locally
 * using the rboard errinfo pointer.
 *
 * In order to get useful information from this Data organization, a set of
 * interface routines are provided (TBD). The important thing to remember while
 * manipulating the structures, is that, the NODE number information should
 * be used. If the NODE is non-zero (remote) then each offset should
 * be added to the REMOTE BASE ADDR else it should be added to the LOCAL BASE ADDR.
 * This includes offsets for BOARDS, COMPONENTS and ERRORINFO.
 *
 * Note that these structures do not provide much info about connectivity.
 * That info will be part of HWGRAPH, which is an extension of the cfg_t
 * data structure. (ref IP27prom/cfg.h) It has to be extended to include
 * the IO part of the Network(TBD).
 *
 * The data structures below define the above concepts.
 */

/*
 * Values for CPU types
 */
#define KL_CPU_R4000		0x1	/* Standard R4000 */
#define KL_CPU_TFP		0x2	/* TFP processor */
#define KL_CPU_R10000		0x3	/* R10000 (T5) */
#define KL_CPU_NONE		(-1)	/* no cpu present in slot */

/*
 * IP27 BOARD classes
 */

#define KLCLASS_MASK	0xf0
#define KLCLASS_NONE	0x00
#define KLCLASS_NODE	0x10		 /* CPU, Memory and HUB board */
#define KLCLASS_CPU	KLCLASS_NODE
#define KLCLASS_IO	0x20		 /* BaseIO, 4 ch SCSI, ethernet, FDDI
					    and the non-graphics widget boards */
#define KLCLASS_ROUTER	0x30		 /* Router board */
#define KLCLASS_MIDPLANE 0x40		 /* We need to treat this as a board
					    so that we can record error info */
#define KLCLASS_GFX	0x50		/* graphics boards */

#define KLCLASS_PSEUDO_GFX	0x60	/* HDTV type cards that use a gfx
					 * hw ifc to xtalk and are not gfx
					 * class for sw purposes */

#define KLCLASS_MAX	7		/* Bump this if a new CLASS is added */
#define KLTYPE_MAX	10		/* Bump this if a new CLASS is added */

#define KLCLASS_UNKNOWN 0xf0

#define KLCLASS(_x) ((_x) & KLCLASS_MASK)

/*
 * IP27 board types
 */

#define KLTYPE_MASK	0x0f
#define KLTYPE_NONE	0x00
#define KLTYPE_EMPTY	0x00

#define KLTYPE_WEIRDCPU (KLCLASS_CPU | 0x0)
#define KLTYPE_IP27	(KLCLASS_CPU | 0x1) /* 2 CPUs(R10K) per board */

#define KLTYPE_WEIRDIO	(KLCLASS_IO  | 0x0)
#define KLTYPE_BASEIO	(KLCLASS_IO  | 0x1) /* IOC3, SuperIO, Bridge, SCSI */
#define KLTYPE_IO6	KLTYPE_BASEIO	    /* Additional name */
#define KLTYPE_4CHSCSI	(KLCLASS_IO  | 0x2)
#define KLTYPE_MSCSI	KLTYPE_4CHSCSI	    /* Additional name */
#define KLTYPE_ETHERNET (KLCLASS_IO  | 0x3)
#define KLTYPE_MENET	KLTYPE_ETHERNET	    /* Additional name */
#define KLTYPE_FDDI	(KLCLASS_IO  | 0x4)
#define KLTYPE_UNUSED	(KLCLASS_IO  | 0x5) /* XXX UNUSED */
#define KLTYPE_HAROLD	(KLCLASS_IO  | 0x6) /* PCI SHOE BOX */
#define KLTYPE_PCI	KLTYPE_HAROLD
#define KLTYPE_VME	(KLCLASS_IO  | 0x7) /* Any 3rd party VME card */
#define KLTYPE_MIO	(KLCLASS_IO  | 0x8)
#define KLTYPE_FC	(KLCLASS_IO  | 0x9)
#define KLTYPE_LINC	(KLCLASS_IO  | 0xA)
#define KLTYPE_TPU	(KLCLASS_IO  | 0xB) /* Tensor Processing Unit */
#define KLTYPE_GSN_A	(KLCLASS_IO  | 0xC) /* Main GSN board */
#define KLTYPE_GSN_B	(KLCLASS_IO  | 0xD) /* Auxiliary GSN board */

#define KLTYPE_GFX	(KLCLASS_GFX | 0x0) /* unknown graphics type */
#define KLTYPE_GFX_KONA (KLCLASS_GFX | 0x1) /* KONA graphics on IP27 */
#define KLTYPE_GFX_MGRA (KLCLASS_GFX | 0x3) /* MGRAS graphics on IP27 */

#define KLTYPE_WEIRDROUTER (KLCLASS_ROUTER | 0x0)
#define KLTYPE_ROUTER	  (KLCLASS_ROUTER | 0x1)
#define KLTYPE_ROUTER2	  KLTYPE_ROUTER		/* Obsolete! */
#define KLTYPE_NULL_ROUTER (KLCLASS_ROUTER | 0x2)
#define KLTYPE_META_ROUTER (KLCLASS_ROUTER | 0x3)

#define KLTYPE_WEIRDMIDPLANE (KLCLASS_MIDPLANE | 0x0)
#define KLTYPE_MIDPLANE8  (KLCLASS_MIDPLANE | 0x1) /* 8 slot backplane */
#define KLTYPE_MIDPLANE	   KLTYPE_MIDPLANE8
#define KLTYPE_PBRICK_XBOW	(KLCLASS_MIDPLANE | 0x2)

#define KLTYPE_IOBRICK		(KLCLASS_IOBRICK | 0x0)
#define KLTYPE_IBRICK		(KLCLASS_IOBRICK | 0x1)
#define KLTYPE_PBRICK		(KLCLASS_IOBRICK | 0x2)
#define KLTYPE_XBRICK		(KLCLASS_IOBRICK | 0x3)

#define KLTYPE_PBRICK_BRIDGE	KLTYPE_PBRICK

/* The value of type should be more than 8 so that hinv prints
 * out the board name from the NIC string. For values less than
 * 8 the name of the board needs to be hard coded in a few places.
 * When bringup started nic names had not standardized and so we
 * had to hard code. (For people interested in history.)
 */
#define KLTYPE_XTHD	(KLCLASS_PSEUDO_GFX | 0x9)

#define KLTYPE_UNKNOWN	(KLCLASS_UNKNOWN | 0xf)

#define KLTYPE(_x)	((_x) & KLTYPE_MASK)
#define IS_MIO_PRESENT(l)	((l->brd_type == KLTYPE_BASEIO) && \
				 (l->brd_flags & SECOND_NIC_PRESENT))
#define IS_MIO_IOC3(l, n)	(IS_MIO_PRESENT(l) && (n > 2))

/*
 * board structures
 */

#define MAX_COMPTS_PER_BRD 24

#define LOCAL_BOARD 1
#define REMOTE_BOARD 2

#define LBOARD_STRUCT_VERSION	2

typedef struct lboard_s {
	klconf_off_t	brd_next;	  /* Next BOARD */
	unsigned char	struct_type;	  /* type of structure, local or remote */
	unsigned char	brd_type;	  /* type+class */
	unsigned char	brd_sversion;	  /* version of this structure */
	unsigned char	brd_brevision;	  /* board revision */
	unsigned char	brd_promver;	  /* board prom version, if any */
	unsigned char	brd_flags;	  /* Enabled, Disabled etc */
	unsigned char	brd_slot;	  /* slot number */
	unsigned short	brd_debugsw;	  /* Debug switches */
	moduleid_t	brd_module;	  /* module to which it belongs */
	partid_t	brd_partition;	  /* Partition number */
	unsigned short	brd_diagval;	  /* diagnostic value */
	unsigned short	brd_diagparm;	  /* diagnostic parameter */
	unsigned char	brd_inventory;	  /* inventory history */
	unsigned char	brd_numcompts;	  /* Number of components */
	nic_t		brd_nic;	  /* Number in CAN */
	nasid_t		brd_nasid;	  /* passed parameter */
	klconf_off_t	brd_compts[MAX_COMPTS_PER_BRD]; /* pointers to COMPONENTS */
	klconf_off_t	brd_errinfo;	  /* Board's error information */
	struct lboard_s *brd_parent;	  /* Logical parent for this brd */
	vertex_hdl_t	brd_graph_link;	  /* vertex hdl to connect extern compts */
	confidence_t	brd_confidence;	  /* confidence that the board is bad */
	nasid_t		brd_owner;	  /* who owns this board */
	unsigned char	brd_nic_flags;	  /* To handle 8 more NICs */
	char		brd_name[32];
} lboard_t;


/*
 *	Make sure we pass back the calias space address for local boards.
 *	klconfig board traversal and error structure extraction defines.
 */

#define BOARD_SLOT(_brd)	((_brd)->brd_slot)

#define KLCF_CLASS(_brd)	KLCLASS((_brd)->brd_type)
#define KLCF_TYPE(_brd)		KLTYPE((_brd)->brd_type)
#define KLCF_REMOTE(_brd)	(((_brd)->struct_type & LOCAL_BOARD) ? 0 : 1)
#define KLCF_NUM_COMPS(_brd)	((_brd)->brd_numcompts)
#define KLCF_MODULE_ID(_brd)	((_brd)->brd_module)

#define KLCF_NEXT(_brd)		\
	((_brd)->brd_next ?	\
	 (lboard_t *)(NODE_OFFSET_TO_K1(NASID_GET(_brd), (_brd)->brd_next)):\
	 NULL)
#define KLCF_COMP(_brd, _ndx)	\
		(klinfo_t *)(NODE_OFFSET_TO_K1(NASID_GET(_brd), \
					       (_brd)->brd_compts[(_ndx)]))

#define KLCF_COMP_ERROR(_brd, _comp)	\
	       (NODE_OFFSET_TO_K1(NASID_GET(_brd), (_comp)->errinfo))

#define KLCF_COMP_TYPE(_comp)	((_comp)->struct_type)
#define KLCF_BRIDGE_W_ID(_comp) ((_comp)->physid)	/* Widget ID */



/*
 * Generic info structure. This stores common info about a
 * component.
 */

typedef struct klinfo_s {		   /* Generic info */
	unsigned char	struct_type;	   /* type of this structure */
	unsigned char	struct_version;	   /* version of this structure */
	unsigned char	flags;		  /* Enabled, disabled etc */
	unsigned char	revision;	  /* component revision */
	unsigned short	diagval;	  /* result of diagnostics */
	unsigned short	diagparm;	  /* diagnostic parameter */
	unsigned char	inventory;	  /* previous inventory status */
	nic_t		nic;		  /* MUst be aligned properly */
	unsigned char	physid;		  /* physical id of component */
	unsigned int	virtid;		  /* virtual id as seen by system */
	unsigned char	widid;		  /* Widget id - if applicable */
	nasid_t		nasid;		  /* node number - from parent */
	char		pad1;		  /* pad out structure. */
	char		pad2;		  /* pad out structure. */
	COMPONENT	*arcs_compt;	  /* ptr to the arcs struct for ease*/
	klconf_off_t	errinfo;	  /* component specific errors */
	unsigned short	pad3;		  /* pci fields have moved over to */
	unsigned short	pad4;		  /* klbri_t */
} klinfo_t ;

#define KLCONFIG_INFO_ENABLED(_i)	((_i)->flags & KLINFO_ENABLE)
/*
 * Component structures.
 * Following are the currently identified components:
 *	CPU, HUB, MEM_BANK,
 *	XBOW(consists of 16 WIDGETs, each of which can be HUB or GRAPHICS or BRIDGE)
 *	BRIDGE, IOC3, SuperIO, SCSI, FDDI
 *	ROUTER
 *	GRAPHICS
 */
#define KLSTRUCT_UNKNOWN	0
#define KLSTRUCT_CPU		1
#define KLSTRUCT_HUB		2
#define KLSTRUCT_MEMBNK		3
#define KLSTRUCT_XBOW		4
#define KLSTRUCT_BRI		5
#define KLSTRUCT_IOC3		6
#define KLSTRUCT_PCI		7
#define KLSTRUCT_VME		8
#define KLSTRUCT_ROU		9
#define KLSTRUCT_GFX		10
#define KLSTRUCT_SCSI		11
#define KLSTRUCT_FDDI		12
#define KLSTRUCT_MIO		13
#define KLSTRUCT_DISK		14
#define KLSTRUCT_TAPE		15
#define KLSTRUCT_CDROM		16
#define KLSTRUCT_HUB_UART	17
#define KLSTRUCT_IOC3ENET	18
#define KLSTRUCT_IOC3UART	19
#define KLSTRUCT_UNUSED		20 /* XXX UNUSED */
#define KLSTRUCT_IOC3PCKM	21
#define KLSTRUCT_RAD		22
#define KLSTRUCT_HUB_TTY	23
#define KLSTRUCT_IOC3_TTY	24

/* Early Access IO proms are compatible
   only with KLSTRUCT values up to 24. */

#define KLSTRUCT_FIBERCHANNEL	25
#define KLSTRUCT_MOD_SERIAL_NUM 26
#define KLSTRUCT_IOC3MS		27
#define KLSTRUCT_TPU		28
#define KLSTRUCT_GSN_A		29
#define KLSTRUCT_GSN_B		30
#define KLSTRUCT_XTHD		31

/*
 * These are the indices of various components within a lboard structure.
 */

#define IP27_CPU0_INDEX 0
#define IP27_CPU1_INDEX 1
#define IP27_HUB_INDEX 2
#define IP27_MEM_INDEX 3

#define BASEIO_BRIDGE_INDEX 0
#define BASEIO_IOC3_INDEX 1
#define BASEIO_SCSI1_INDEX 2
#define BASEIO_SCSI2_INDEX 3

#define MIDPLANE_XBOW_INDEX 0
#define ROUTER_COMPONENT_INDEX 0

#define CH4SCSI_BRIDGE_INDEX 0

/* Info holders for various hardware components */

typedef u64 *pci_t;
typedef u64 *vmeb_t;
typedef u64 *vmed_t;
typedef u64 *fddi_t;
typedef u64 *scsi_t;
typedef u64 *mio_t;
typedef u64 *graphics_t;
typedef u64 *router_t;

/*
 * The port info in ip27_cfg area translates to a lboart_t in the
 * KLCONFIG area. But since KLCONFIG does not use pointers, lboart_t
 * is stored in terms of a nasid and a offset from start of KLCONFIG
 * area	 on that nasid.
 */
typedef struct klport_s {
	nasid_t		port_nasid;
	unsigned char	port_flag;
	klconf_off_t	port_offset;
} klport_t;

typedef struct klcpu_s {			  /* CPU */
	klinfo_t	cpu_info;
	unsigned short	cpu_prid;	/* Processor PRID value */
	unsigned short	cpu_fpirr;	/* FPU IRR value */
	unsigned short	cpu_speed;	/* Speed in MHZ */
	unsigned short	cpu_scachesz;	/* secondary cache size in MB */
	unsigned short	cpu_scachespeed;/* secondary cache speed in MHz */
} klcpu_t ;

#define CPU_STRUCT_VERSION   2

typedef struct klhub_s {			/* HUB */
	klinfo_t	hub_info;
	unsigned int		hub_flags;		/* PCFG_HUB_xxx flags */
	klport_t	hub_port;		/* hub is connected to this */
	nic_t		hub_box_nic;		/* nic of containing box */
	klconf_off_t	hub_mfg_nic;		/* MFG NIC string */
	u64		hub_speed;		/* Speed of hub in HZ */
} klhub_t ;

typedef struct klhub_uart_s {			/* HUB */
	klinfo_t	hubuart_info;
	unsigned int		hubuart_flags;		/* PCFG_HUB_xxx flags */
	nic_t		hubuart_box_nic;	/* nic of containing box */
} klhub_uart_t ;

#define MEMORY_STRUCT_VERSION	2

typedef struct klmembnk_s {			/* MEMORY BANK */
	klinfo_t	membnk_info;
	short		membnk_memsz;		/* Total memory in megabytes */
	short		membnk_dimm_select; /* bank to physical addr mapping*/
	short		membnk_bnksz[MD_MEM_BANKS]; /* Memory bank sizes */
	short		membnk_attr;
} klmembnk_t ;

#define KLCONFIG_MEMBNK_SIZE(_info, _bank)	\
			    ((_info)->membnk_bnksz[(_bank)])


#define MEMBNK_PREMIUM 1
#define KLCONFIG_MEMBNK_PREMIUM(_info, _bank)	\
			    ((_info)->membnk_attr & (MEMBNK_PREMIUM << (_bank)))

#define MAX_SERIAL_NUM_SIZE 10

typedef struct klmod_serial_num_s {
      klinfo_t	      snum_info;
      union {
	      char snum_str[MAX_SERIAL_NUM_SIZE];
	      unsigned long long       snum_int;
      } snum;
} klmod_serial_num_t;

/* Macros needed to access serial number structure in lboard_t.
   Hard coded values are necessary since we cannot treat
   serial number struct as a component without losing compatibility
   between prom versions. */

#define GET_SNUM_COMP(_l)	((klmod_serial_num_t *)\
				KLCF_COMP(_l, _l->brd_numcompts))

#define MAX_XBOW_LINKS 16

typedef struct klxbow_s {			   /* XBOW */
	klinfo_t	xbow_info ;
	klport_t	xbow_port_info[MAX_XBOW_LINKS] ; /* Module number */
	int		xbow_master_hub_link;
	/* type of brd connected+component struct ptr+flags */
} klxbow_t ;

#define MAX_PCI_SLOTS 8

typedef struct klpci_device_s {
	s32	pci_device_id;	/* 32 bits of vendor/device ID. */
	s32	pci_device_pad; /* 32 bits of padding. */
} klpci_device_t;

#define BRIDGE_STRUCT_VERSION	2

typedef struct klbri_s {			  /* BRIDGE */
	klinfo_t	bri_info ;
	unsigned char	bri_eprominfo ;	   /* IO6prom connected to bridge */
	unsigned char	bri_bustype ;	   /* PCI/VME BUS bridge/GIO */
	pci_t		pci_specific  ;	   /* PCI Board config info */
	klpci_device_t	bri_devices[MAX_PCI_DEVS] ;	/* PCI IDs */
	klconf_off_t	bri_mfg_nic ;
} klbri_t ;

#define MAX_IOC3_TTY	2

typedef struct klioc3_s {			   /* IOC3 */
	klinfo_t	ioc3_info ;
	unsigned char	ioc3_ssram ;	    /* Info about ssram */
	unsigned char	ioc3_nvram ;	    /* Info about nvram */
	klinfo_t	ioc3_superio ;	    /* Info about superio */
	klconf_off_t	ioc3_tty_off ;
	klinfo_t	ioc3_enet ;
	klconf_off_t	ioc3_enet_off ;
	klconf_off_t	ioc3_kbd_off ;
} klioc3_t ;

#define MAX_VME_SLOTS 8

typedef struct klvmeb_s {			   /* VME BRIDGE - PCI CTLR */
	klinfo_t	vmeb_info ;
	vmeb_t		vmeb_specific ;
	klconf_off_t	vmeb_brdinfo[MAX_VME_SLOTS]   ;	   /* VME Board config info */
} klvmeb_t ;

typedef struct klvmed_s {			   /* VME DEVICE - VME BOARD */
	klinfo_t	vmed_info ;
	vmed_t		vmed_specific ;
	klconf_off_t	vmed_brdinfo[MAX_VME_SLOTS]   ;	   /* VME Board config info */
} klvmed_t ;

#define ROUTER_VECTOR_VERS	2

/* XXX - Don't we need the number of ports here?!? */
typedef struct klrou_s {			  /* ROUTER */
	klinfo_t	rou_info ;
	unsigned int		rou_flags ;	      /* PCFG_ROUTER_xxx flags */
	nic_t		rou_box_nic ;	      /* nic of the containing module */
	klport_t	rou_port[MAX_ROUTER_PORTS + 1] ; /* array index 1 to 6 */
	klconf_off_t	rou_mfg_nic ;	  /* MFG NIC string */
	u64	rou_vector;	  /* vector from master node */
} klrou_t ;

/*
 *  Graphics Controller/Device
 *
 *  (IP27/IO6) Prom versions 6.13 (and 6.5.1 kernels) and earlier
 *  used a couple different structures to store graphics information.
 *  For compatibility reasons, the newer data structure preserves some
 *  of the layout so that fields that are used in the old versions remain
 *  in the same place (with the same info).  Determination of what version
 *  of this structure we have is done by checking the cookie field.
 */
#define KLGFX_COOKIE	0x0c0de000

typedef struct klgfx_s {		/* GRAPHICS Device */
	klinfo_t	gfx_info;
	klconf_off_t	old_gndevs;	/* for compatibility with older proms */
	klconf_off_t	old_gdoff0;	/* for compatibility with older proms */
	unsigned int		cookie;		/* for compatibility with older proms */
	unsigned int		moduleslot;
	struct klgfx_s	*gfx_next_pipe;
	graphics_t	gfx_specific;
	klconf_off_t	pad0;		/* for compatibility with older proms */
	klconf_off_t	gfx_mfg_nic;
} klgfx_t;

typedef struct klxthd_s {
	klinfo_t	xthd_info ;
	klconf_off_t	xthd_mfg_nic ;	      /* MFG NIC string */
} klxthd_t ;

typedef struct kltpu_s {		     /* TPU board */
	klinfo_t	tpu_info ;
	klconf_off_t	tpu_mfg_nic ;	     /* MFG NIC string */
} kltpu_t ;

typedef struct klgsn_s {		     /* GSN board */
	klinfo_t	gsn_info ;
	klconf_off_t	gsn_mfg_nic ;	     /* MFG NIC string */
} klgsn_t ;

#define MAX_SCSI_DEVS 16

/*
 * NOTE: THis is the max sized kl* structure and is used in klmalloc.c
 * to allocate space of type COMPONENT. Make sure that if the size of
 * any other component struct becomes more than this, then redefine
 * that as the size to be klmalloced.
 */

typedef struct klscsi_s {			   /* SCSI Controller */
	klinfo_t	scsi_info ;
	scsi_t		scsi_specific	;
	unsigned char	scsi_numdevs ;
	klconf_off_t	scsi_devinfo[MAX_SCSI_DEVS] ;
} klscsi_t ;

typedef struct klscdev_s {			    /* SCSI device */
	klinfo_t	scdev_info ;
	struct scsidisk_data *scdev_cfg ; /* driver fills up this */
} klscdev_t ;

typedef struct klttydev_s {			     /* TTY device */
	klinfo_t	ttydev_info ;
	struct terminal_data *ttydev_cfg ; /* driver fills up this */
} klttydev_t ;

typedef struct klenetdev_s {			      /* ENET device */
	klinfo_t	enetdev_info ;
	struct net_data *enetdev_cfg ; /* driver fills up this */
} klenetdev_t ;

typedef struct klkbddev_s {			     /* KBD device */
	klinfo_t	kbddev_info ;
	struct keyboard_data *kbddev_cfg ; /* driver fills up this */
} klkbddev_t ;

typedef struct klmsdev_s {			    /* mouse device */
	klinfo_t	msdev_info ;
	void		*msdev_cfg ;
} klmsdev_t ;

#define MAX_FDDI_DEVS 10 /* XXX Is this true */

typedef struct klfddi_s {			   /* FDDI */
	klinfo_t	fddi_info ;
	fddi_t		fddi_specific ;
	klconf_off_t	fddi_devinfo[MAX_FDDI_DEVS] ;
} klfddi_t ;

typedef struct klmio_s {			  /* MIO */
	klinfo_t	mio_info ;
	mio_t		mio_specific   ;
} klmio_t ;


typedef union klcomp_s {
	klcpu_t		kc_cpu;
	klhub_t		kc_hub;
	klmembnk_t	kc_mem;
	klxbow_t	kc_xbow;
	klbri_t		kc_bri;
	klioc3_t	kc_ioc3;
	klvmeb_t	kc_vmeb;
	klvmed_t	kc_vmed;
	klrou_t		kc_rou;
	klgfx_t		kc_gfx;
	klscsi_t	kc_scsi;
	klscdev_t	kc_scsi_dev;
	klfddi_t	kc_fddi;
	klmio_t		kc_mio;
	klmod_serial_num_t kc_snum ;
} klcomp_t;

typedef union kldev_s {	     /* for device structure allocation */
	klscdev_t	kc_scsi_dev ;
	klttydev_t	kc_tty_dev ;
	klenetdev_t	kc_enet_dev ;
	klkbddev_t	kc_kbd_dev ;
} kldev_t ;

/* Data structure interface routines. TBD */

/* Include launch info in this file itself? TBD */

/*
 * TBD - Can the ARCS and device driver related info also be included in the
 * KLCONFIG area. On the IO4PROM, prom device driver info is part of cfgnode_t
 * structure, viz private to the IO4prom.
 */

/*
 * TBD - Allocation issues.
 *
 * Do we need to Mark off sepatate heaps for lboard_t, rboard_t, component,
 * errinfo and allocate from them, or have a single heap and allocate all
 * structures from it. Debug is easier in the former method since we can
 * dump all similar structs in one command, but there will be lots of holes,
 * in memory and max limits are needed for number of structures.
 * Another way to make it organized, is to have a union of all components
 * and allocate a aligned chunk of memory greater than the biggest
 * component.
 */

typedef union {
	lboard_t *lbinfo ;
} biptr_t ;


#define BRI_PER_XBOW 6
#define PCI_PER_BRI  8
#define DEV_PER_PCI  16


/* Virtual dipswitch values (starting from switch "7"): */

#define VDS_NOGFX		0x8000	/* Don't enable gfx and autoboot */
#define VDS_NOMP		0x100	/* Don't start slave processors */
#define VDS_MANUMODE		0x80	/* Manufacturing mode */
#define VDS_NOARB		0x40	/* No bootmaster arbitration */
#define VDS_PODMODE		0x20	/* Go straight to POD mode */
#define VDS_NO_DIAGS		0x10	/* Don't run any diags after BM arb */
#define VDS_DEFAULTS		0x08	/* Use default environment values */
#define VDS_NOMEMCLEAR		0x04	/* Don't run mem cfg code */
#define VDS_2ND_IO4		0x02	/* Boot from the second IO4 */
#define VDS_DEBUG_PROM		0x01	/* Print PROM debugging messages */

/* external declarations of Linux kernel functions. */

extern lboard_t *find_lboard(lboard_t *start, unsigned char type);
extern klinfo_t *find_component(lboard_t *brd, klinfo_t *kli, unsigned char type);
extern klinfo_t *find_first_component(lboard_t *brd, unsigned char type);
extern lboard_t *find_lboard_class(lboard_t *start, unsigned char brd_class);

#endif /* _ASM_SN_KLCONFIG_H */

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