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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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright Siemens 1999
* All rights reserved.
*/
#ifndef _SYS_SCSI_TARGETS_SGENDEF_H
#define _SYS_SCSI_TARGETS_SGENDEF_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/kstat.h>
#include <sys/condvar.h>
#include <sys/mutex.h>
#include <sys/buf.h>
#include <sys/scsi/scsi.h>
#ifdef __cplusplus
extern "C" {
#endif
#define SGEN_IOC (('S' << 16) | ('G' << 8))
#define SGEN_IOC_READY (SGEN_IOC | 0x01)
#define SGEN_IOC_DIAG (SGEN_IOC | 0x02)
#if defined(_KERNEL)
#define SGEN_DIAG1 ((1 << 8) | CE_CONT)
#define SGEN_DIAG2 ((2 << 8) | CE_CONT)
#define SGEN_DIAG3 ((3 << 8) | CE_CONT)
struct sgen_errstats {
kstat_named_t sgen_trans_err; /* error trying to transport pkt */
kstat_named_t sgen_restart; /* command restart attempted */
kstat_named_t sgen_incmp_err; /* command failed to complete */
kstat_named_t sgen_autosen_rcv; /* autosense occurred */
kstat_named_t sgen_autosen_bad; /* autosense data looks malformed */
kstat_named_t sgen_sense_rcv; /* sense fetch occurred */
kstat_named_t sgen_sense_bad; /* sense data looks malformed */
kstat_named_t sgen_recov_err; /* sense key is KEY_RECOVERABLE */
kstat_named_t sgen_nosen_err; /* sense key is KEY_NO_SENSE */
kstat_named_t sgen_unrecov_err; /* sense key indicates other err */
};
typedef struct sgen_state {
struct scsi_device *sgen_scsidev; /* pointer to scsi_device */
struct uscsi_cmd *sgen_ucmd; /* uscsi command struct */
struct buf *sgen_cmdbuf; /* xfer buffer */
struct scsi_pkt *sgen_cmdpkt; /* scsi packet for command */
kcondvar_t sgen_cmdbuf_cv; /* cv for cmdbuf */
int sgen_flags; /* see SGEN_FL_* */
struct scsi_pkt *sgen_rqspkt; /* request sense packet */
struct buf *sgen_rqsbuf; /* request sense xfer buffer */
char *sgen_rqs_sen; /* sense buffer */
int sgen_arq_enabled; /* auto request sense enabled */
int sgen_diag; /* diagnostic output level */
timeout_id_t sgen_restart_timeid; /* timeout for sgen_restart */
kstat_t *sgen_kstats; /* for error statistics */
} sgen_state_t;
/*
* Convenience accessors for sgen_state_t.
*/
#define sgen_mutex sgen_scsidev->sd_mutex
#define sgen_devinfo sgen_scsidev->sd_dev
#define sgen_scsiaddr sgen_scsidev->sd_address
#define sgen_sense sgen_scsidev->sd_sense
/*
* sgen_flags accessors/mutators
*/
#define SGEN_FL_OPEN 0x01 /* instance is open */
#define SGEN_FL_SUSP 0x02 /* instance suspended */
#define SGEN_FL_BUSY 0x04 /* command buffer busy */
#define SGEN_FL_EXCL 0x08 /* exclusive open */
#define SGEN_SET_OPEN(stp) \
(((sgen_state_t *)(stp))->sgen_flags |= SGEN_FL_OPEN)
#define SGEN_CLR_OPEN(stp) \
(((sgen_state_t *)(stp))->sgen_flags &= ~SGEN_FL_OPEN)
#define SGEN_IS_OPEN(stp) \
((((sgen_state_t *)(stp))->sgen_flags & SGEN_FL_OPEN) == SGEN_FL_OPEN)
#define SGEN_SET_SUSP(stp) \
(((sgen_state_t *)(stp))->sgen_flags |= SGEN_FL_SUSP)
#define SGEN_CLR_SUSP(stp) \
(((sgen_state_t *)(stp))->sgen_flags &= ~SGEN_FL_SUSP)
#define SGEN_IS_SUSP(stp) \
((((sgen_state_t *)(stp))->sgen_flags & SGEN_FL_SUSP) == SGEN_FL_SUSP)
#define SGEN_SET_BUSY(stp) \
(((sgen_state_t *)(stp))->sgen_flags |= SGEN_FL_BUSY)
#define SGEN_CLR_BUSY(stp) \
(((sgen_state_t *)(stp))->sgen_flags &= ~SGEN_FL_BUSY)
#define SGEN_IS_BUSY(stp) \
((((sgen_state_t *)(stp))->sgen_flags & SGEN_FL_BUSY) == SGEN_FL_BUSY)
#define SGEN_SET_EXCL(stp) \
(((sgen_state_t *)(stp))->sgen_flags |= SGEN_FL_EXCL)
#define SGEN_CLR_EXCL(stp) \
(((sgen_state_t *)(stp))->sgen_flags &= ~SGEN_FL_EXCL)
#define SGEN_IS_EXCL(stp) \
((((sgen_state_t *)(stp))->sgen_flags & SGEN_FL_EXCL) == SGEN_FL_EXCL)
/*
* These structures form the driver's database of binding information.
* Inquiry strings and device types from the inquiry-config-list and
* device-type-config-list properties are stored.
*/
typedef struct sgen_inq_node {
char *node_vendor; /* up to 8 character vendor */
char *node_product; /* up to 16 character product */
struct sgen_inq_node *node_next;
} sgen_inq_node_t;
typedef struct sgen_type_node {
uchar_t node_type; /* SCSI device type */
struct sgen_type_node *node_next;
} sgen_type_node_t;
struct sgen_binddb {
int sdb_init; /* has this been initialized? */
kmutex_t sdb_lock; /* protects this structure */
sgen_inq_node_t *sdb_inq_nodes; /* inquiry binding nodes */
sgen_type_node_t *sdb_type_nodes; /* dev-type binding nodes */
};
#define SGEN_ESTIMATED_NUM_DEVS 4 /* for soft-state allocation */
/*
* Time to wait before a retry for commands returning Busy Status
*/
#define SGEN_BSY_TIMEOUT (drv_usectohz(5 * 1000000))
#define SGEN_IO_TIME 60 /* seconds */
/*
* sgen_callback action codes
*/
#define COMMAND_DONE 0 /* command completed, biodone it */
#define COMMAND_DONE_ERROR 1 /* command completed, indicate error */
#define FETCH_SENSE 2 /* CHECK CONDITION, so initiate sense */
/* fetch */
#define SET_BP_ERROR(bp, err) bioerror(bp, err);
#endif /* defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_TARGETS_SGENDEF_H */
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