/* $NetBSD: sdvar.h,v 1.1 2012/05/19 14:40:13 kiyohara Exp $ */
/*
* Copyright (c) 2010 KIYOHARA Takashi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* tables used by SCRIPT */
typedef struct scr_table {
uint32_t count;
uint32_t addr;
} __packed scr_table_t;
/* Number of scatter/gather entries */
#define SIOP_NSG (0x10000/0x1000 + 1) /* XXX PAGE_SIZE */
/*
* This structure interfaces the SCRIPT with the driver; it describes a full
* transfer.
* If you change something here, don't forget to update offsets in {s,es}iop.ss
*/
struct siop_common_xfer {
uint8_t msg_out[16]; /* 0 */
uint8_t msg_in[16]; /* 16 */
uint32_t status; /* 32 */
uint32_t pad1; /* 36 */
uint32_t id; /* 40 */
uint32_t pad2; /* 44 */
scr_table_t t_msgin; /* 48 */
scr_table_t t_extmsgin; /* 56 */
scr_table_t t_extmsgdata; /* 64 */
scr_table_t t_msgout; /* 72 */
scr_table_t cmd; /* 80 */
scr_table_t t_status; /* 88 */
scr_table_t data[SIOP_NSG]; /* 96 */
} __packed;
/* status can hold the SCSI_* status values, and 2 additional values: */
#define SCSI_SIOP_NOCHECK 0xfe /* don't check the scsi status */
#define SCSI_SIOP_NOSTATUS 0xff /* device didn't report status */
/*
* xfer description of the script: tables and reselect script
* In struct siop_common_cmd siop_xfer will point to this.
*/
struct siop_xfer {
struct siop_common_xfer siop_tables;
/* uint32_t resel[sizeof(load_dsa) / sizeof(load_dsa[0])]; */
uint32_t resel[25];
} __packed;
struct scsi_xfer {
int target;
int lun;
struct scsipi_generic *cmd;
int cmdlen;
u_char *data;
int datalen;
int resid;
scsipi_xfer_result_t error;
uint8_t status; /* SCSI status */
int xs_status;
};
int sel_t; /* selected target */
struct sd_softc *sd;
};
struct sd_softc {
int sc_part;
int sc_lun;
int sc_target;
int sc_bus;
int sc_type;
int sc_cap;
int sc_flags;
#define FLAGS_MEDIA_LOADED (1 << 0)
#define FLAGS_REMOVABLE (1 << 1)
struct disk_parms {
u_long heads; /* number of heads */
u_long cyls; /* number of cylinders */
u_long sectors; /* number of sectors/track */
u_long blksize; /* number of bytes/sector */
u_long rot_rate; /* rotational rate, in RPM */
u_int64_t disksize; /* total number sectors */
u_int64_t disksize512; /* total number sectors */
} sc_params;
struct disklabel sc_label;
};
int siop_init(int, int, int);
int scsi_inquire(struct sd_softc *, int, void *);
int scsi_mode_sense(struct sd_softc *, int, int,
struct scsi_mode_parameter_header_6 *, int);
int scsi_command(struct sd_softc *, void *, int, void *, int);
#define SDGP_RESULT_OK 0 /* parameters obtained */
#define SDGP_RESULT_OFFLINE 1 /* no media, or otherwise losing */
#define SDGP_RESULT_UNFORMATTED 2 /* unformatted media (max params) */
