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/*
* 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 1996, 1999-2000, 2002 Sun Microsystems, Inc.
* All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_DADA_DADA_PKT_H
#define _SYS_DADA_DADA_PKT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/dada/dada_types.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* DCD pkt definition.
*
* This structure defined the packet which is allocated by a library
* function and handed to a target driver. The target driver fills
* in some information, and passes it to the library for transport
* to an addressed DCD devices. The host adapter found by the library
* fills in some other information as the command is processed. When
* the command completes (or can be taken no further) the function
* specified in the pkt is called with a pointer to the packet as
* argument. For fields within the packet, the target driver can
* determine the success or failure of the command.
*/
struct dcd_pkt {
uchar_t *pkt_cdbp; /* pointer to command block */
uchar_t *pkt_scbp; /* ptr to status block */
int pkt_flags; /* Pkt flags */
int pkt_time; /* Completion timeout */
int pkt_scblen; /* Scb length */
int pkt_cdblen; /* Length of cdb */
uint_t pkt_state; /* State of command */
uint_t pkt_statistics; /* Statistics */
uint_t pkt_reason; /* reason or error stat */
uint_t pkt_secleft; /* remaining sectors */
void (*pkt_comp)(); /* Pkt Completion routine */
ssize_t pkt_resid; /* bytes not transfered */
daddr32_t pkt_startsec; /* Starting sector */
ataopaque_t pkt_private; /* Target drivers priV data */
ataopaque_t pkt_ha_private; /* HBA private data */
ataopaque_t pkt_passthru; /* pass through command ptr */
struct dcd_address pkt_address; /* destination address */
uint_t version_no; /* Version Number of this */
ushort_t reserved[2]; /* Reserved for future */
};
/*
* definition for the pkt_flags field.
*/
/*
* Following defines are generic.
*/
#define FLAG_NOINTR 0x0001 /* Run command with no cmd completion */
/* callback; command has been complted */
/* up return from dcd_transport(9F) */
#define FLAG_NODICON 0x0002 /* Even is overlap is possible donot do it */
#define FLAG_NOPARITY 0x0008 /* Run command without parity checking */
#define FLAG_FORCENOINTR\
0x0010 /* Force command with to run in polled mode */
#define FLAG_IMMEDIATE_CB\
0x0800 /* Immediate callback on command completion */
/*
* The following flags are they needed ???
*/
#define FLAG_SILENT 0x00010000
#define FLAG_DIAGNOSE 0x00020000
#define FLAG_ISOLATE 0x00040000
/*
* Definitions for pkt_reason field.
*/
/*
* Following defines are generic.
*/
#define CMD_CMPLT 0 /* no transport errors - normal completion */
#define CMD_INCOMPLETE 1 /* transport stopped with not normal state */
#define CMD_DMA_DERR 2 /* dama direction error occurred */
#define CMD_TRAN_ERR 3 /* Unspecified transport error */
#define CMD_RESET 4 /* Target completed hard reset sequence */
#define CMD_ABORTED 5 /* Command transport aborted on request */
#define CMD_TIMEOUT 6 /* Command timedout */
#define CMD_DATA_OVR 7 /* Data Overrun */
#define CMD_CMD_OVR 8 /* Command Overrun - Not used */
#define CMD_STS_OVR 9 /* Status Overrun - Not used */
#define CMD_FATAL 10 /* There is a fatal error */
/*
* definitions for pkt_state field.
*/
#define STATE_SENT_CMD 0x04 /* Command successsully sent */
#define STATE_XFERRED_DATA 0x08 /* Data Transfer took place */
#define STATE_GOT_STATUS 0x10 /* Status got */
/*
* Definitions for pkt_statistics field
*/
/*
* Following defines are generic.
*/
#define STAT_ATA_BUS_RESET 0x08 /* TBD */
#define STAT_ATA_DEV_RESET 0x10 /* TBD */
#define STAT_ATA_ABORTED 0x20 /* Command was aborted */
#define STAT_ATA_TERMINATED 0x80 /* Command was terminated */
#define STAT_ATA_TIMEOUT 0x40 /* Command experienced a timeout */
/*
* Following filds are appropriate depending on feature used.
*/
#define STAT_ATA_DISCON 0x01 /* Command is doing overlap processing */
#define STAT_ATA_SYNC 0x02 /* May be used for DMA transfers */
#define STAT_ATA_PERR 0x04 /* Command experienced a parity error */
/*
* Definitions for what dcd_transport returns
*/
#define TRAN_ACCEPT 1
#define TRAN_BUSY 0
#define TRAN_BADPKT -1
#define TRAN_FATAL_ERROR -2 /* The hba cannot accept any pkt */
#ifdef _KERNEL
/*
* Kernel function declarations
*/
#define ata_pkt_transport dcd_transport
#ifdef __STDC__
extern int dcd_transport(struct dcd_pkt *);
#else /* __STDC__ */
extern int dcd_transport();
#endif /* __STDC__ */
#define DCD_POLL_TIMEOUT 60
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DADA_DADA_PKT_H */
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