controller.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_DKTP_CONTROLLER_H
#define _SYS_DKTP_CONTROLLER_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
struct ctl_ext {
opaque_t c_type_cookie; /* controller info */
dev_info_t *c_ctldip; /* dip to controller driver */
dev_info_t *c_devdip; /* dip to target device driver */
int c_targ; /* device target number */
int c_blksz; /* device unit size (secsz) */
};
struct ctl_obj {
opaque_t c_data;
struct ctl_objops *c_ops;
struct ctl_ext *c_ext;
struct ctl_ext c_extblk; /* extended blk defined */
/* for easy of alloc */
};
struct ctl_objops {
struct cmpkt *(*c_pktalloc)(opaque_t, int (*)(caddr_t), caddr_t);
void (*c_pktfree)(opaque_t, struct cmpkt *);
struct cmpkt *(*c_memsetup)(opaque_t, struct cmpkt *, struct buf *,
int (*)(caddr_t), caddr_t);
void (*c_memfree)(opaque_t, struct cmpkt *);
struct cmpkt *(*c_iosetup)(opaque_t, struct cmpkt *);
int (*c_transport)(opaque_t, struct cmpkt *);
int (*c_reset)(opaque_t, int);
int (*c_abort)(opaque_t, struct cmpkt *);
int (*c_getcap)(opaque_t, char *, int);
int (*c_setcap)(opaque_t, char *, int);
int (*c_ioctl)(opaque_t, int, intptr_t, int);
void *c_resv[2];
};
#define CTL_DIP_CTL(X) (((struct ctl_obj *)(X))->c_ext->c_ctldip)
#define CTL_DIP_DEV(X) (((struct ctl_obj *)(X))->c_ext->c_devdip)
#define CTL_GET_TYPE(X) (((struct ctl_obj *)(X))->c_ext->c_type_cookie)
#define CTL_GET_LKARG(X) (((struct ctl_obj *)(X))->c_ext->c_lkarg)
#define CTL_GET_TARG(X) (((struct ctl_obj *)(X))->c_ext->c_targ)
#define CTL_GET_BLKSZ(X) (((struct ctl_obj *)(X))->c_ext->c_blksz)
#define CTL_PKTALLOC(X, callback, arg) \
(*((struct ctl_obj *)(X))->c_ops->c_pktalloc) \
(((struct ctl_obj *)(X))->c_data, (callback), (arg))
#define CTL_PKTFREE(X, pktp) \
(*((struct ctl_obj *)(X))->c_ops->c_pktfree) \
(((struct ctl_obj *)(X))->c_data, (pktp))
#define CTL_MEMSETUP(X, pktp, bp, callback, arg) \
(*((struct ctl_obj *)(X))->c_ops->c_memsetup) \
(((struct ctl_obj *)(X))->c_data, (pktp), (bp), (callback), (arg))
#define CTL_MEMFREE(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_memfree) \
(((struct ctl_obj *)(X))->c_data, (pktp))
#define CTL_IOSETUP(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_iosetup) \
(((struct ctl_obj *)(X))->c_data, (pktp))
#define CTL_TRANSPORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_transport) \
(((struct ctl_obj *)(X))->c_data, (pktp))
#define CTL_ABORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_abort) \
(((struct ctl_obj *)(X))->c_data, (pktp))
#define CTL_RESET(X, level) (*((struct ctl_obj *)(X))->c_ops->c_reset) \
(((struct ctl_obj *)(X))->c_data, (level))
#define CTL_IOCTL(X, cmd, arg, flag) \
(*((struct ctl_obj *)(X))->c_ops->c_ioctl) \
(((struct ctl_obj *)(X))->c_data, (cmd), (arg), (flag))
/* transport return code */
#define CTL_SEND_SUCCESS 0
#define CTL_SEND_FAILURE 1
#define CTL_SEND_BUSY 2
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DKTP_CONTROLLER_H */