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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
*/
/*
* All Rights Reserved, Copyright (c) FUJITSU LIMITED 2005
*/
#ifndef _SCFDSCPIF_H
#define _SCFDSCPIF_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
typedef uint32_t mkey_t; /* Data type for mailbox key */
typedef uint32_t target_id_t; /* Target ID specifying the peer */
/*
* Mailbox event types are defined as below.
*/
typedef enum {
SCF_MB_CONN_OK, /* Connection OK event */
SCF_MB_MSG_DATA, /* A new message has received */
SCF_MB_SPACE, /* Mailbox has space */
SCF_MB_DISC_ERROR /* Disconnect error */
} scf_event_t;
#define SCF_EVENT_PRI DDI_SOFTINT_LOW /* Event handler priority */
/*
* A scatter/gather data structure used for sending/receiving mailbox
* messages.
*/
typedef struct mscat_gath {
caddr_t msc_dptr; /* pointer to the data buffer */
uint32_t msc_len; /* Length of data in the data buffer */
} mscat_gath_t;
/*
* Mailbox Flush types.
*/
typedef enum {
MB_FLUSH_SEND = 0x01, /* Flush all messages on the send side */
MB_FLUSH_RECEIVE, /* Flush all messages on the recieve side */
MB_FLUSH_ALL /* Flush messages on the both sides */
} mflush_type_t;
int scf_mb_init(target_id_t target_id, mkey_t mkey,
void (*event_handler)(scf_event_t mevent, void *arg), void *arg);
int scf_mb_fini(target_id_t target_id, mkey_t mkey);
int scf_mb_putmsg(target_id_t target_id, mkey_t mkey, uint32_t data_len,
uint32_t num_sg, mscat_gath_t *sgp, clock_t timeout);
int scf_mb_canget(target_id_t target_id, mkey_t mkey, uint32_t *data_lenp);
int scf_mb_getmsg(target_id_t target_id, mkey_t mkey, uint32_t data_len,
uint32_t num_sg, mscat_gath_t *sgp, clock_t timeout);
int scf_mb_flush(target_id_t target_id, uint32_t key, mflush_type_t flush_type);
int scf_mb_ctrl(target_id_t target_id, uint32_t key, uint32_t op, void *arg);
/*
* The following are the operations defined for scf_mb_ctrl().
*/
/*
* Return the maximum message length which could be received/transmitted
* on the specified mailbox. The value is returned via the argument(arg),
* which will be treated as a pointer to an uint32_t.
*/
#define SCF_MBOP_MAXMSGSIZE 0x00000001
#define DSCP_KEY ('D' << 24 | 'S' << 16 | 'C' << 8 | 'P')
#define DKMD_KEY ('D' << 24 | 'K' << 16 | 'M' << 8 | 'D')
#ifdef __cplusplus
}
#endif
#endif /* _SCFDSCPIF_H */
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