root/usr/src/uts/sun4u/sys/plat_ecc_dimm.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (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 2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_PLAT_ECC_DIMM_H
#define _SYS_PLAT_ECC_DIMM_H

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

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/int_types.h>
#include <sys/cheetahregs.h>
#include <sys/cpuvar.h>
#include <sys/dditypes.h>
#include <sys/ddipropdefs.h>
#include <sys/ddi_impldefs.h>
#include <sys/sunddi.h>
#include <sys/platform_module.h>
#include <sys/errno.h>
#include <sys/conf.h>
#include <sys/cmn_err.h>
#include <sys/sysmacros.h>
#include <sys/mc-us3.h>
#include <sys/plat_ecc_unum.h>

/*
 * DIMM Serial Ids support for Starcat and Serengeti platforms
 */

#define PLAT_MAX_DIMM_SID_LEN           16
#define PLAT_MAX_DIMMS_PER_BOARD        32

typedef char plat_dimm_sid_t[PLAT_MAX_DIMM_SID_LEN];

typedef struct plat_dimm_sid_request_data {
        plat_ecc_msg_hdr_t      pdsrd_header;
        uint8_t                 pdsrd_board_num;  /* bd# of SIDs requested */
} plat_dimm_sid_request_data_t;

#define pdsrd_major_version     pdsrd_header.emh_major_ver
#define pdsrd_minor_version     pdsrd_header.emh_minor_ver
#define pdsrd_msg_type          pdsrd_header.emh_msg_type
#define pdsrd_msg_length        pdsrd_header.emh_msg_length

typedef struct plat_dimm_sid_board_data {
        plat_ecc_msg_hdr_t      pdsbd_header;
        uint32_t                pdsbd_errno;    /* set if SC failed request */
        uint8_t                 pdsbd_board_num; /* bd where SIDs are located */
        uint8_t                 pdsbd_pad1;
        uint16_t                pdsbd_pad2;
        uint32_t                pdsbd_valid_bitmap; /* map of SIDs returned */
        plat_dimm_sid_t         pdsbd_dimm_sids[PLAT_MAX_DIMMS_PER_BOARD];
} plat_dimm_sid_board_data_t;

#define pdsbd_major_version     pdsbd_header.emh_major_ver
#define pdsbd_minor_version     pdsbd_header.emh_minor_ver
#define pdsbd_msg_type          pdsbd_header.emh_msg_type
#define pdsbd_msg_length        pdsbd_header.emh_msg_length

#define PLAT_ECC_DIMM_SID_VERSION_MAJOR 1
#define PLAT_ECC_DIMM_SID_VERSION_MINOR 1

#define PDSB_STATE_INVALID              0x0
#define PDSB_STATE_STORE_IN_PROGRESS    0x1
#define PDSB_STATE_STORED               0x2
#define PDSB_STATE_FAILED_TO_STORE      0x3

/* DIMM serial id data for one board */
typedef struct plat_dimm_sid_board {
        kmutex_t        pdsb_lock;              /* protect data for this bd */
        uint8_t         pdsb_state;             /* current state of data */
        uint32_t        pdsb_valid_bitmap;      /* map of valid SIDs */
        plat_dimm_sid_t pdsb_dimm_sids[PLAT_MAX_DIMMS_PER_BOARD]; /* SIDs */
} plat_dimm_sid_board_t;

extern int plat_request_mem_sids(int boardnum);
extern int plat_store_mem_sids(plat_dimm_sid_board_data_t *data);
extern int plat_discard_mem_sids(int boardnum);

extern plat_dimm_sid_board_t    domain_dimm_sids[];

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_PLAT_ECC_DIMM_H */