sun4u/sys/opl_module.h

	opl_module.h revision 25cf1a301a396c38e8adf52c15f537b80d2483f7
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_OPL_MODULE_H
#define _SYS_OPL_MODULE_H

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sys/async.h>

#ifdef  __cplusplus
extern "C" {
#endif

#ifdef _KERNEL

/*
 * Sets trap table entry ttentry by overwriting eight instructions from ttlabel.
 */
#define OPL_SET_TRAP(ttentry, ttlabel)                  \
        bcopy((const void *)&ttlabel, &ttentry, 32);        \
        flush_instr_mem((caddr_t)&ttentry, 32);

/*
 * Define for max size of "reason" string in panic flows.  Since this is on
 * the stack, we want to keep it as small as is reasonable.
 */
#define MAX_REASON_STRING   40

/*
 * These error types are specific to Olympus and are used internally for the
 * opl fault structure flt_type field.
 */
#define OPL_CPU_SYNC_UE     1
#define OPL_CPU_SYNC_OTHERS 2
#define OPL_CPU_URGENT      3
#define OPL_CPU_INV_SFSR    4
#define OPL_CPU_INV_UGESR   5

#ifndef _ASM

/*
 * Define Olympus family (SPARC64-VI) specific asynchronous error structure
 */
typedef struct olympus_async_flt {
    struct async_flt cmn_asyncflt;  /* common - see sun4u/sys/async.h */
    ushort_t flt_type;      /* types of faults - cpu specific */
    uint64_t flt_bit;       /* fault bit for this log msg */
    ushort_t flt_eid_mod;       /* module ID (type of hardware) */
    ushort_t flt_eid_sid;       /* source ID */
} opl_async_flt_t;

/*
 * Error type table struct.
 */
typedef struct ecc_type_to_info {
    uint64_t    ec_afsr_bit;    /* SFSR bit of error */
    char        *ec_reason; /* Short error description */
    uint_t      ec_flags;   /* Trap type error should be seen at */
    int     ec_flt_type;    /* Used for error logging */
    char        *ec_desc;   /* Long error description */
    uint64_t    ec_err_payload; /* FM ereport payload information */
    char        *ec_err_class;  /* FM ereport class */
} ecc_type_to_info_t;

/*
 * Redefine fault status bit field definitions taken from
 * "async.h". Reused reserved Ultrasparc3 specific fault status
 * bits here since they are by definition mutually exclusive
 * w.r.t. OPL
 */
#define OPL_ECC_ISYNC_TRAP  0x0100
#define OPL_ECC_DSYNC_TRAP  0x0200
#define OPL_ECC_SYNC_TRAP   (OPL_ECC_ISYNC_TRAP|OPL_ECC_DSYNC_TRAP)
#define OPL_ECC_URGENT_TRAP 0x0400

#define TRAP_TYPE_URGENT    0x40

/*
 * Since all the files share a bunch of routines between each other
 * we will put all the "extern" definitions in this header file so that we
 * don't have to repeat it all in every file.
 */

/*
 * functions that are defined in the OPL,SPARC64-VI cpu module:
 */
extern void shipit(int, int);
extern void cpu_page_retire(opl_async_flt_t *opl_flt);
extern void cpu_init_trap(void);
extern void cpu_error_ecache_flush(void);
extern void flush_ecache(uint64_t physaddr, size_t ecachesize, size_t linesize);
extern void stick_adj(int64_t skew);
extern void stick_timestamp(int64_t *ts);
extern void hwblkpagecopy(const void *src, void *dst);
extern void opl_error_setup(uint64_t);
extern void opl_mpg_enable(void);
extern int  cpu_queue_events(opl_async_flt_t *, char *, uint64_t);
extern void ras_cntr_reset(void *);

/*
 * variables and structures that are defined outside the FJSV,SPARC64-VI
 * cpu module:
 */
extern uint64_t xc_tick_limit;
extern uint64_t xc_tick_jump_limit;

/*
 * Labels used for the trap_table patching
 */
extern uint32_t tt0_iae;
extern uint32_t tt1_iae;
extern uint32_t tt0_dae;
extern uint32_t tt1_dae;
extern uint32_t tt0_asdat;
extern uint32_t tt1_asdat;

extern void opl_serr_instr(void);
extern void opl_ugerr_instr(void);

/*
 * D$ and I$ global parameters.
 */
extern int dcache_size;
extern int dcache_linesize;
extern int icache_size;
extern int icache_linesize;

#endif /* _ASM */

#endif /* _KERNEL */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_OPL_MODULE_H */