pdc.h

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#ifndef _PARISC_PDC_H
#define _PARISC_PDC_H

#include <linux/config.h>

/*
 *	PDC return values ...
 *	All PDC calls return a subset of these errors. 
 */

#define PDC_WARN		  3	/* Call completed with a warning */
#define PDC_REQ_ERR_1		  2	/* See above			 */
#define PDC_REQ_ERR_0		  1	/* Call would generate a requestor error */
#define PDC_OK			  0	/* Call completed successfully	*/
#define PDC_BAD_PROC		 -1	/* Called non-existent procedure*/
#define PDC_BAD_OPTION		 -2	/* Called with non-existent option */
#define PDC_ERROR		 -3	/* Call could not complete without an error */
#define PDC_NE_MOD		 -5	/* Module not found		*/
#define PDC_NE_CELL_MOD		 -7	/* Cell module not found	*/
#define PDC_INVALID_ARG		-10	/* Called with an invalid argument */
#define PDC_BUS_POW_WARN	-12	/* Call could not complete in allowed power budget */
#define PDC_NOT_NARROW		-17	/* Narrow mode not supported	*/


/*
 *	PDC entry points...
 */

#define PDC_POW_FAIL	1		/* perform a power-fail		*/
#define PDC_POW_FAIL_PREPARE	0	/* prepare for powerfail	*/

#define PDC_CHASSIS	2		/* PDC-chassis functions	*/
#define PDC_CHASSIS_DISP	0	/* update chassis display	*/
#define PDC_CHASSIS_WARN	1	/* return chassis warnings	*/
#define PDC_CHASSIS_DISPWARN	2	/* update&return chassis status */
#define PDC_RETURN_CHASSIS_INFO 128	/* HVERSION dependent: return chassis LED/LCD info  */

#define PDC_PIM         3               /* Get PIM data                 */
#define PDC_PIM_HPMC            0       /* Transfer HPMC data           */
#define PDC_PIM_RETURN_SIZE     1       /* Get Max buffer needed for PIM*/
#define PDC_PIM_LPMC            2       /* Transfer HPMC data           */
#define PDC_PIM_SOFT_BOOT       3       /* Transfer Soft Boot data      */
#define PDC_PIM_TOC             4       /* Transfer TOC data            */

#define PDC_MODEL	4		/* PDC model information call	*/
#define PDC_MODEL_INFO		0	/* returns information 		*/
#define PDC_MODEL_BOOTID	1	/* set the BOOT_ID		*/
#define PDC_MODEL_VERSIONS	2	/* returns cpu-internal versions*/
#define PDC_MODEL_SYSMODEL	3	/* return system model info	*/
#define PDC_MODEL_ENSPEC	4	/* enable specific option	*/
#define PDC_MODEL_DISPEC	5	/* disable specific option	*/
#define PDC_MODEL_CPU_ID	6	/* returns cpu-id (only newer machines!) */
#define PDC_MODEL_CAPABILITIES	7	/* returns OS32/OS64-flags	*/
#define PDC_MODEL_GET_BOOT__OP	8	/* returns boot test options	*/
#define PDC_MODEL_SET_BOOT__OP	9	/* set boot test options	*/

#define PA89_INSTRUCTION_SET	0x4	/* capatibilies returned	*/
#define PA90_INSTRUCTION_SET	0x8

#define PDC_CACHE	5		/* return/set cache (& TLB) info*/
#define PDC_CACHE_INFO		0	/* returns information 		*/
#define PDC_CACHE_SET_COH	1	/* set coherence state		*/
#define PDC_CACHE_RET_SPID	2	/* returns space-ID bits	*/

#define PDC_HPA		6		/* return HPA of processor	*/
#define PDC_HPA_PROCESSOR	0
#define PDC_HPA_MODULES		1

#define PDC_COPROC	7		/* Co-Processor (usually FP unit(s)) */
#define PDC_COPROC_CFG		0	/* Co-Processor Cfg (FP unit(s) enabled?) */

#define PDC_IODC	8		/* talk to IODC			*/
#define PDC_IODC_READ		0	/* read IODC entry point	*/
/*      PDC_IODC_RI_			 * INDEX parameter of PDC_IODC_READ */
#define PDC_IODC_RI_DATA_BYTES	0	/* IODC Data Bytes		*/
/*				1, 2	   obsolete - HVERSION dependent*/
#define PDC_IODC_RI_INIT	3	/* Initialize module		*/
#define PDC_IODC_RI_IO		4	/* Module input/output		*/
#define PDC_IODC_RI_SPA		5	/* Module input/output		*/
#define PDC_IODC_RI_CONFIG	6	/* Module input/output		*/
/*				7	  obsolete - HVERSION dependent */
#define PDC_IODC_RI_TEST	8	/* Module input/output		*/
#define PDC_IODC_RI_TLB		9	/* Module input/output		*/
#define PDC_IODC_NINIT		2	/* non-destructive init		*/
#define PDC_IODC_DINIT		3	/* destructive init		*/
#define PDC_IODC_MEMERR		4	/* check for memory errors	*/
#define PDC_IODC_INDEX_DATA	0	/* get first 16 bytes from mod IODC */
#define PDC_IODC_BUS_ERROR	-4	/* bus error return value	*/
#define PDC_IODC_INVALID_INDEX	-5	/* invalid index return value	*/
#define PDC_IODC_COUNT		-6	/* count is too small		*/

#define PDC_TOD		9		/* time-of-day clock (TOD)	*/
#define PDC_TOD_READ		0	/* read TOD			*/
#define PDC_TOD_WRITE		1	/* write TOD			*/
#define PDC_TOD_ITIMER		2	/* calibrate Interval Timer (CR16) */

#define PDC_STABLE	10		/* stable storage (sprockets)	*/
#define PDC_STABLE_READ		0
#define PDC_STABLE_WRITE	1
#define PDC_STABLE_RETURN_SIZE	2
#define PDC_STABLE_VERIFY_CONTENTS 3
#define PDC_STABLE_INITIALIZE	4

#define PDC_NVOLATILE	11		/* often not implemented	*/

#define PDC_ADD_VALID	12		/* Memory validation PDC call	*/
#define PDC_ADD_VALID_VERIFY	0	/* Make PDC_ADD_VALID verify region */

#define PDC_INSTR	15		/* get instr to invoke PDCE_CHECK() */

#define PDC_PROC	16		/* (sprockets)			*/

#define PDC_CONFIG	16		/* (sprockets)			*/
#define PDC_CONFIG_DECONFIG	0
#define PDC_CONFIG_DRECONFIG	1
#define PDC_CONFIG_DRETURN_CONFIG 2

#define PDC_BLOCK_TLB	18		/* manage hardware block-TLB	*/
#define PDC_BTLB_INFO		0	/* returns parameter 		*/
#define PDC_BTLB_INSERT		1	/* insert BTLB entry		*/
#define PDC_BTLB_PURGE		2	/* purge BTLB entries 		*/
#define PDC_BTLB_PURGE_ALL	3	/* purge all BTLB entries 	*/

#define PDC_TLB		19		/* manage hardware TLB miss handling */
#define PDC_TLB_INFO		0	/* returns parameter 		*/
#define PDC_TLB_SETUP		1	/* set up miss handling 	*/

#define PDC_MEM		20		/* Manage memory		*/
#define PDC_MEM_MEMINFO		0
#define PDC_MEM_ADD_PAGE	1
#define PDC_MEM_CLEAR_PDT	2
#define PDC_MEM_READ_PDT	3
#define PDC_MEM_RESET_CLEAR	4
#define PDC_MEM_GOODMEM		5
#define PDC_MEM_TABLE		128	/* Non contig mem map (sprockets) */
#define PDC_MEM_RETURN_ADDRESS_TABLE	PDC_MEM_TABLE
#define PDC_MEM_GET_MEMORY_SYSTEM_TABLES_SIZE	131
#define PDC_MEM_GET_MEMORY_SYSTEM_TABLES	132
#define PDC_MEM_GET_PHYSICAL_LOCATION_FROM_MEMORY_ADDRESS 133

#define PDC_MEM_RET_SBE_REPLACED	5	/* PDC_MEM return values */
#define PDC_MEM_RET_DUPLICATE_ENTRY	4
#define PDC_MEM_RET_BUF_SIZE_SMALL	1
#define PDC_MEM_RET_PDT_FULL		-11
#define PDC_MEM_RET_INVALID_PHYSICAL_LOCATION ~0ULL

#ifndef __ASSEMBLY__
typedef struct {
    unsigned long long	baseAddr;
    unsigned int	pages;
    unsigned int	reserved;
} MemAddrTable_t;
#endif


#define PDC_PSW		21		/* Get/Set default System Mask  */
#define PDC_PSW_MASK		0	/* Return mask                  */
#define PDC_PSW_GET_DEFAULTS	1	/* Return defaults              */
#define PDC_PSW_SET_DEFAULTS	2	/* Set default                  */
#define PDC_PSW_ENDIAN_BIT	1	/* set for big endian           */
#define PDC_PSW_WIDE_BIT	2	/* set for wide mode            */ 

#define PDC_SYSTEM_MAP	22		/* find system modules		*/
#define PDC_FIND_MODULE 	0
#define PDC_FIND_ADDRESS	1
#define PDC_TRANSLATE_PATH	2

#define PDC_SOFT_POWER	23		/* soft power switch		*/
#define PDC_SOFT_POWER_INFO	0	/* return info about the soft power switch */
#define PDC_SOFT_POWER_ENABLE	1	/* enable/disable soft power switch */


/* HVERSION dependent */

/* The PDC_MEM_MAP calls */
#define PDC_MEM_MAP	128		/* on s700: return page info	*/
#define PDC_MEM_MAP_HPA		0	/* returns hpa of a module	*/

#define PDC_EEPROM	129		/* EEPROM access		*/
#define PDC_EEPROM_READ_WORD	0
#define PDC_EEPROM_WRITE_WORD	1
#define PDC_EEPROM_READ_BYTE	2
#define PDC_EEPROM_WRITE_BYTE	3
#define PDC_EEPROM_EEPROM_PASSWORD -1000

#define PDC_NVM		130		/* NVM (non-volatile memory) access */
#define PDC_NVM_READ_WORD	0
#define PDC_NVM_WRITE_WORD	1
#define PDC_NVM_READ_BYTE	2
#define PDC_NVM_WRITE_BYTE	3

#define PDC_SEED_ERROR	132		/* (sprockets)			*/

#define PDC_IO		135		/* log error info, reset IO system */
#define PDC_IO_READ_AND_CLEAR_ERRORS	0
#define PDC_IO_RESET			1
#define PDC_IO_RESET_DEVICES		2
/* sets bits 6&7 (little endian) of the HcControl Register */
#define PDC_IO_USB_SUSPEND	0xC000000000000000
#define PDC_IO_EEPROM_IO_ERR_TABLE_FULL	-5	/* return value */
#define PDC_IO_NO_SUSPEND		-6	/* return value */

#define PDC_BROADCAST_RESET 136		/* reset all processors		*/
#define PDC_DO_RESET		0	/* option: perform a broadcast reset */
#define PDC_DO_FIRM_TEST_RESET	1	/* Do broadcast reset with bitmap */
#define PDC_BR_RECONFIGURATION	2	/* reset w/reconfiguration	*/
#define PDC_FIRM_TEST_MAGIC	0xab9ec36fUL    /* for this reboot only	*/

#define PDC_LAN_STATION_ID 138		/* Hversion dependent mechanism for */
#define PDC_LAN_STATION_ID_READ	0	/* getting the lan station address  */

#define	PDC_LAN_STATION_ID_SIZE	6

#define PDC_CHECK_RANGES 139		/* (sprockets)			*/

#define PDC_NV_SECTIONS	141		/* (sprockets)			*/

#define PDC_PERFORMANCE	142		/* performance monitoring	*/

#define PDC_SYSTEM_INFO	143		/* system information		*/
#define PDC_SYSINFO_RETURN_INFO_SIZE	0
#define PDC_SYSINFO_RRETURN_SYS_INFO	1
#define PDC_SYSINFO_RRETURN_ERRORS	2
#define PDC_SYSINFO_RRETURN_WARNINGS	3
#define PDC_SYSINFO_RETURN_REVISIONS	4
#define PDC_SYSINFO_RRETURN_DIAGNOSE	5
#define PDC_SYSINFO_RRETURN_HV_DIAGNOSE	1005

#define PDC_RDR		144		/* (sprockets)			*/
#define PDC_RDR_READ_BUFFER	0
#define PDC_RDR_READ_SINGLE	1
#define PDC_RDR_WRITE_SINGLE	2

#define PDC_INTRIGUE	145 		/* (sprockets)			*/
#define PDC_INTRIGUE_WRITE_BUFFER 	 0
#define PDC_INTRIGUE_GET_SCRATCH_BUFSIZE 1
#define PDC_INTRIGUE_START_CPU_COUNTERS	 2
#define PDC_INTRIGUE_STOP_CPU_COUNTERS	 3

#define PDC_STI		146 		/* STI access			*/
/* same as PDC_PCI_XXX values (see below) */

/* Legacy PDC definitions for same stuff */
#define PDC_PCI_INDEX	147
#define PDC_PCI_INTERFACE_INFO		0
#define PDC_PCI_SLOT_INFO		1
#define PDC_PCI_INFLIGHT_BYTES		2
#define PDC_PCI_READ_CONFIG		3
#define PDC_PCI_WRITE_CONFIG		4
#define PDC_PCI_READ_PCI_IO		5
#define PDC_PCI_WRITE_PCI_IO		6
#define PDC_PCI_READ_CONFIG_DELAY	7
#define PDC_PCI_UPDATE_CONFIG_DELAY	8
#define PDC_PCI_PCI_PATH_TO_PCI_HPA	9
#define PDC_PCI_PCI_HPA_TO_PCI_PATH	10
#define PDC_PCI_PCI_PATH_TO_PCI_BUS	11
#define PDC_PCI_PCI_RESERVED		12
#define PDC_PCI_PCI_INT_ROUTE_SIZE	13
#define PDC_PCI_GET_INT_TBL_SIZE	PDC_PCI_PCI_INT_ROUTE_SIZE
#define PDC_PCI_PCI_INT_ROUTE		14
#define PDC_PCI_GET_INT_TBL		PDC_PCI_PCI_INT_ROUTE 
#define PDC_PCI_READ_MON_TYPE		15
#define PDC_PCI_WRITE_MON_TYPE		16


/* Get SCSI Interface Card info:  SDTR, SCSI ID, mode (SE vs LVD) */
#define PDC_INITIATOR	163
#define PDC_GET_INITIATOR	0
#define PDC_SET_INITIATOR	1
#define PDC_DELETE_INITIATOR	2
#define PDC_RETURN_TABLE_SIZE	3
#define PDC_RETURN_TABLE	4

#define PDC_LINK	165 		/* (sprockets)			*/
#define PDC_LINK_PCI_ENTRY_POINTS	0  /* list (Arg1) = 0 */
#define PDC_LINK_USB_ENTRY_POINTS	1  /* list (Arg1) = 1 */


/* constants for OS (NVM...) */
#define OS_ID_NONE		0	/* Undefined OS ID	*/
#define OS_ID_HPUX		1	/* HP-UX OS		*/
#define OS_ID_LINUX		OS_ID_HPUX /* just use the same value as hpux */
#define OS_ID_MPEXL		2	/* MPE XL OS		*/
#define OS_ID_OSF		3	/* OSF OS		*/
#define OS_ID_HPRT		4	/* HP-RT OS		*/
#define OS_ID_NOVEL		5	/* NOVELL OS		*/
#define OS_ID_NT		6	/* NT OS		*/


/* constants for PDC_CHASSIS */
#define OSTAT_OFF		0
#define OSTAT_FLT		1 
#define OSTAT_TEST		2
#define OSTAT_INIT		3
#define OSTAT_SHUT		4
#define OSTAT_WARN		5
#define OSTAT_RUN		6
#define OSTAT_ON		7

#ifndef __ASSEMBLY__

#include <linux/types.h>

extern int pdc_type;

/* Values for pdc_type */
#define PDC_TYPE_ILLEGAL	-1
#define PDC_TYPE_PAT		 0 /* 64-bit PAT-PDC */
#define PDC_TYPE_SYSTEM_MAP	 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
#define PDC_TYPE_SNAKE		 2 /* Doesn't support SYSTEM_MAP */

struct pdc_chassis_info {       /* for PDC_CHASSIS_INFO */
	unsigned long actcnt;   /* actual number of bytes returned */
	unsigned long maxcnt;   /* maximum number of bytes that could be returned */
};

struct pdc_coproc_cfg {         /* for PDC_COPROC_CFG */
        unsigned long ccr_functional;
        unsigned long ccr_present;
        unsigned long revision;
        unsigned long model;
};

struct pdc_model {		/* for PDC_MODEL */
	unsigned long hversion;
	unsigned long sversion;
	unsigned long hw_id;
	unsigned long boot_id;
	unsigned long sw_id;
	unsigned long sw_cap;
	unsigned long arch_rev;
	unsigned long pot_key;
	unsigned long curr_key;
};

/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */

#define PDC_MODEL_IOPDIR_FDC            (1 << 2)        /* see sba_iommu.c */
#define PDC_MODEL_NVA_MASK		(3 << 4)
#define PDC_MODEL_NVA_SUPPORTED		(0 << 4)
#define PDC_MODEL_NVA_SLOW		(1 << 4)
#define PDC_MODEL_NVA_UNSUPPORTED	(3 << 4)

struct pdc_cache_cf {		/* for PDC_CACHE  (I/D-caches) */
    unsigned long
#ifdef __LP64__
		cc_padW:32,
#endif
		cc_alias: 4,	/* alias boundaries for virtual addresses   */
		cc_block: 4,	/* to determine most efficient stride */
		cc_line	: 3,	/* maximum amount written back as a result of store (multiple of 16 bytes) */
		cc_shift: 2,	/* how much to shift cc_block left */
		cc_wt	: 1,	/* 0 = WT-Dcache, 1 = WB-Dcache */
		cc_sh	: 2,	/* 0 = separate I/D-cache, else shared I/D-cache */
		cc_cst  : 3,	/* 0 = incoherent D-cache, 1=coherent D-cache */
		cc_pad1 : 5,	/* reserved */
		cc_assoc: 8;	/* associativity of I/D-cache */
};

struct pdc_tlb_cf {		/* for PDC_CACHE (I/D-TLB's) */
    unsigned long tc_pad0:12,	/* reserved */
#ifdef __LP64__
		tc_padW:32,
#endif
		tc_sh	: 2,	/* 0 = separate I/D-TLB, else shared I/D-TLB */
		tc_hv   : 1,	/* HV */
		tc_page : 1,	/* 0 = 2K page-size-machine, 1 = 4k page size */
		tc_cst  : 3,	/* 0 = incoherent operations, else coherent operations */
		tc_aid  : 5,	/* ITLB: width of access ids of processor (encoded!) */
		tc_pad1 : 8;	/* ITLB: width of space-registers (encoded) */
};

struct pdc_cache_info {		/* main-PDC_CACHE-structure (caches & TLB's) */
	/* I-cache */
	unsigned long	ic_size;	/* size in bytes */
	struct pdc_cache_cf ic_conf;	/* configuration */
	unsigned long	ic_base;	/* base-addr */
	unsigned long	ic_stride;
	unsigned long	ic_count;
	unsigned long	ic_loop;
	/* D-cache */
	unsigned long	dc_size;	/* size in bytes */
	struct pdc_cache_cf dc_conf;	/* configuration */
	unsigned long	dc_base;	/* base-addr */