/*
* 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_OPLKM_H
#define _SYS_OPLKM_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Device instance structure.
*/
typedef struct okms {
dev_info_t *km_dip; /* Devinfo pointer */
major_t km_major; /* Major number */
uint32_t km_inst; /* Device instance */
mkey_t km_key; /* Mailbox key */
target_id_t km_target; /* Target-id */
ddi_iblock_cookie_t km_ibcookie; /* Interrupt block cookie */
kmutex_t km_lock; /* Lock to protect this structure */
kcondvar_t km_wait; /* Cond. var to signal events */
uint32_t km_state; /* State of the device */
uint32_t km_maxsz; /* Max msg size */
uint32_t km_retries; /* Number of retries */
uint32_t km_clean; /* Cleanup flags */
mscat_gath_t km_sg_rcv; /* Scatter-gather for Rx */
mscat_gath_t km_sg_tx; /* Scatter-gather for Tx */
okm_req_hdr_t *km_reqp; /* Cached request */
int km_reqlen; /* Request length */
} okms_t;
/* km_state flags */
#define OKM_MB_INITED 0x00000001 /* Mailbox initialized */
#define OKM_MB_CONN 0x00000002 /* Mailbox in connected state */
#define OKM_MB_DISC 0x00000004 /* Mailbox is disconnected */
#define OKM_OPENED 0x00000008 /* Device opened */
#define OKM_MBOX_READY(x) (((x)->km_state & OKM_MB_CONN) && \
!((x)->km_state & OKM_MB_DISC))
/* km_clean flags */
#define OKM_CLEAN_LOCK 0x00000001
#define OKM_CLEAN_CV 0x00000002
#define OKM_CLEAN_NODE 0x00000004
#ifdef DEBUG
/*
* Debug levels
*/
#define DBG_DRV 0x01 /* driver related traces */
#define DBG_MBOX 0x02 /* Mailbox traces */
#define DBG_MESG 0x04 /* Mailbox Message traces */
#define DBG_WARN 0x10 /* warning type traces */
static void okm_print_req(okm_req_hdr_t *reqp, uint32_t len);
static void okm_print_rep(okm_rep_hdr_t *repp);
#define DPRINTF(f, x) if (f & okm_debug) printf x
#define DUMP_REQ(r, l) okm_print_req(r, l)
#define DUMP_REPLY(r) okm_print_rep(r)
#else /* DEBUG */
#define DPRINTF(f, x)
#define DUMP_REQ(r, l)
#define DUMP_REPLY(r)
#endif /* DEBUG */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_OPLKM_H */