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/*
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SGSBBC_IOSRAM_PRIV_H
#define _SYS_SGSBBC_IOSRAM_PRIV_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/sgsbbc_priv.h>
#include <sys/sgsbbc_iosram.h>
/*
* The following keys are in I/O SRAM TOC
* and used by the OS and SC-APP
* These are mapped to the numeric values below
*
* NB These must be kept in sync with POST/SC keys.
*/
#define TOCKEY_DOMSTAT "DOMSTAT" /* SBBC_DOMAIN_KEY */
#define TOCKEY_KEYSWPO "KEYSWPO" /* SBBC_KEYSWITCH_KEY */
#define TOCKEY_TODDATA "TODDATA" /* SBBC_TOD_KEY */
#define TOCKEY_SOLCONS "SOLCONS" /* SBBC_CONSOLE_KEY */
#define TOCKEY_SOLMBOX "SOLMBOX" /* SBBC_MAILBOX_KEY */
#define TOCKEY_SOLSCIR "SOLSCIR" /* SBBC_INTR_SC_KEY */
#define TOCKEY_SCSOLIR "SCSOLIR" /* SBBC_SC_INTR_KEY */
#define TOCKEY_ENVINFO "ENVINFO" /* SBBC_ENVCTRL_KEY */
/*
* Interrupts enabled that SC can send to OS
* read/only for SC
*/
#define TOCKEY_SOLSCIE "SOLSCIE" /* SBBC_SC_INTR_ENABLED_KEY */
/*
* Interrupts enabled that OS can send to SC
* read/only for OS
*/
#define TOCKEY_SCSOLIE "SCSOLIE" /* SBBC_INTR_SC_ENABLED_KEY */
/*
* CPU/Domain signatures block
*/
#define TOCKEY_SIGBLCK "SIGBLCK" /* SBBC_SIGBLCK_KEY */
/*
* different sram types
*/
#define CPU_SRAM 1
#define LOCAL_IO_SRAM 2
#define GLOBAL_IO_SRAM 3
#define WCI_SRAM 4
#define INVALID_KEY(tunnel, x) (tunnel->tunnel_keys[(x)].key == 0)
/*
* Macros used for version checking
* The SBBC driver will check the major version number in the IOSRAM
* TOC entry. If the major version number in the TOC entry is larger
* than the maximum number Solaris supports, Solaris will panic.
*/
#define IOSRAM_TOC_VER_SHIFT 0x8 /* top 8 bit for major */
#define IOSRAM_TOC_VER_MASK 0xff /* 8-bit for major, 8-bit for minor */
/*
* IOSRAM/TOC propertes on chosen node
*/
#define IOSRAM_CHOSEN_PROP "iosram"
#define IOSRAM_TOC_PROP "iosram-toc"
typedef struct tunnel_key {
int key;
caddr_t base; /* VA of this tunnel SRAM area */
int size;
ddi_acc_handle_t reg_handle;
} tunnel_key_t;
typedef struct tunnel {
tunnel_key_t tunnel_keys[SBBC_MAX_KEYS];
} tunnel_t;
struct chosen_iosram {
/*
* Global IOSRAM lock
*/
kmutex_t iosram_lock;
/*
* Tunnel lock to synchronize IOSRAM access
*/
krwlock_t tunnel_lock;
/*
* 'chosen' SBBC
*/
sbbc_softstate_t *iosram_sbbc;
sbbc_softstate_t *sgsbbc; /* cross reference */
/*
* pointer to an array of SBBC_MAX_KEYS tunnel entries
*/
tunnel_t *tunnel;
/*
* interrupt handlers
*/
sbbc_intrs_t intrs[SBBC_MAX_INTRS];
};
extern void iosram_init(void);
extern void iosram_fini(void);
extern int sgsbbc_iosram_is_chosen(sbbc_softstate_t *);
/*
* tunnel switch related routines
*/
extern int iosram_tunnel_init(sbbc_softstate_t *);
extern int sgsbbc_iosram_switchfrom(sbbc_softstate_t *);
extern int iosram_switch_tunnel(int);
extern struct chosen_iosram *master_iosram;
extern struct sbbc_softstate *sgsbbc_instances;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SGSBBC_IOSRAM_PRIV_H */
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