usr/src/uts/common/sys/emul64cmd.h

root/usr/src/uts/common/sys/emul64cmd.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_SCSI_ADAPTERS_EMUL64CMD_H
#define _SYS_SCSI_ADAPTERS_EMUL64CMD_H

#include <sys/scsi/scsi_types.h>

#ifdef  __cplusplus
extern "C" {
#endif

#define PKT2CMD(pkt)            ((struct emul64_cmd *)(pkt)->pkt_ha_private)
#define CMD2PKT(sp)             ((sp)->cmd_pkt)

/*
 * Per-command EMUL64 private data
 *
 *      - Allocated at same time as scsi_pkt by scsi_hba_pkt_alloc(9F)
 *      - Pointed to by pkt_ha_private field in scsi_pkt
 */
struct emul64_cmd {

        struct scsi_pkt         *cmd_pkt;       /* scsi_pkt reference */
        struct emul64_cmd               *cmd_forw;      /* queue link */
        unsigned char           *cmd_addr;      /* b_un.b_addr */
        clock_t                 cmd_deadline;   /* cmd completion time */
        uint32_t                cmd_flags;      /* private flags */
        uint32_t                cmd_count;      /* b_bcount */
        uint_t                  cmd_cdblen;     /* length of cdb */
        uint_t                  cmd_scblen;     /* length of scb */
        struct emul64           *cmd_emul64;
};



/*
 * These are the defined flags for this structure.
 */
#define CFLAG_FINISHED          0x0001  /* command completed */
#define CFLAG_COMPLETED         0x0002  /* completion routine called */
#define CFLAG_IN_TRANSPORT      0x0004  /* in use by emul64 driver */
#define CFLAG_TRANFLAG          0x000f  /* transport part of flags */
#define CFLAG_DMAVALID          0x0010  /* dma mapping valid */
#define CFLAG_DMASEND           0x0020  /* data is going 'out' */
#define CFLAG_CMDIOPB           0x0040  /* this is an 'iopb' packet */
#define CFLAG_FREE              0x0080  /* packet is on free list */
#define CFLAG_DMA_PARTIAL       0x0100  /* partial xfer OK */

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_SCSI_ADAPTERS_EMUL64CMD_H */
Illumos
