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2377 lines
57 KiB
C
2377 lines
57 KiB
C
/*
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* Implementation of SCSI Sequential Access Peripheral driver for CAM.
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*
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* Copyright (c) 1997 Justin T. Gibbs
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: scsi_sa.c,v 1.5 1998/11/22 23:44:47 ken Exp $
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*/
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#include <sys/param.h>
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#include <sys/queue.h>
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#ifdef KERNEL
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#endif
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#include <sys/types.h>
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#include <sys/buf.h>
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#include <sys/malloc.h>
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#include <sys/mtio.h>
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#include <sys/conf.h>
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#include <sys/buf.h>
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#include <sys/devicestat.h>
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#include <machine/limits.h>
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#ifndef KERNEL
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#include <stdio.h>
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#include <string.h>
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#endif
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_extend.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_xpt_periph.h>
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#include <cam/cam_debug.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_message.h>
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#include <cam/scsi/scsi_sa.h>
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#ifdef KERNEL
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#include <opt_sa.h>
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#ifndef SA_SPACE_TIMEOUT
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#define SA_SPACE_TIMEOUT 1 * 60
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#endif
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#ifndef SA_REWIND_TIMEOUT
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#define SA_REWIND_TIMEOUT 2 * 60
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#endif
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#ifndef SA_ERASE_TIMEOUT
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#define SA_ERASE_TIMEOUT 4 * 60
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#endif
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#define SAUNIT(DEV) ((minor(DEV)&0xF0) >> 4) /* 4 bit unit. */
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#define SASETUNIT(DEV, U) makedev(major(DEV), ((U) << 4))
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typedef enum {
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SA_STATE_NORMAL
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} sa_state;
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typedef enum {
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SA_CCB_BUFFER_IO,
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SA_CCB_WAITING
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} sa_ccb_types;
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#define ccb_type ppriv_field0
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#define ccb_bp ppriv_ptr1
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typedef enum {
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SA_FLAG_OPEN = 0x0001,
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SA_FLAG_FIXED = 0x0002,
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SA_FLAG_TAPE_LOCKED = 0x0004,
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SA_FLAG_TAPE_MOUNTED = 0x0008,
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SA_FLAG_TAPE_WP = 0x0010,
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SA_FLAG_TAPE_WRITTEN = 0x0020,
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SA_FLAG_2FM_AT_EOD = 0x0040,
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SA_FLAG_EOM_PENDING = 0x0080,
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SA_FLAG_EIO_PENDING = 0x0100,
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SA_FLAG_EOF_PENDING = 0x0200,
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SA_FLAG_ERR_PENDING = (SA_FLAG_EOM_PENDING|SA_FLAG_EIO_PENDING|
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SA_FLAG_EOF_PENDING),
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SA_FLAG_INVALID = 0x0400,
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SA_FLAG_COMP_ENABLED = 0x0800,
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SA_FLAG_COMP_UNSUPP = 0x1000
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} sa_flags;
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typedef enum {
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SA_MODE_REWIND = 0x00,
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SA_MODE_NOREWIND = 0x01,
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SA_MODE_OFFLINE = 0x02
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} sa_mode;
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typedef enum {
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SA_PARAM_NONE = 0x00,
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SA_PARAM_BLOCKSIZE = 0x01,
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SA_PARAM_DENSITY = 0x02,
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SA_PARAM_COMPRESSION = 0x04,
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SA_PARAM_BUFF_MODE = 0x08,
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SA_PARAM_NUMBLOCKS = 0x10,
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SA_PARAM_WP = 0x20,
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SA_PARAM_SPEED = 0x40,
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SA_PARAM_ALL = 0x7f
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} sa_params;
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typedef enum {
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SA_QUIRK_NONE = 0x00,
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SA_QUIRK_NOCOMP = 0x01
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} sa_quirks;
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struct sa_softc {
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sa_state state;
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sa_flags flags;
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sa_quirks quirks;
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struct buf_queue_head buf_queue;
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struct devstat device_stats;
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int blk_gran;
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int blk_mask;
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int blk_shift;
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u_int32_t max_blk;
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u_int32_t min_blk;
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u_int8_t media_density;
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u_int32_t media_blksize;
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u_int32_t media_numblks;
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u_int32_t comp_algorithm;
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u_int32_t saved_comp_algorithm;
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u_int8_t speed;
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int buffer_mode;
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int filemarks;
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union ccb saved_ccb;
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};
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struct sa_quirk_entry {
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struct scsi_inquiry_pattern inq_pat;
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sa_quirks quirks;
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};
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static struct sa_quirk_entry sa_quirk_table[] =
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{
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{
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{ T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "ARCHIVE",
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"Python 25601*", "*"}, /*quirks*/SA_QUIRK_NOCOMP
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},
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{
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{ T_SEQUENTIAL, SIP_MEDIA_REMOVABLE, "TANDBERG",
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" TDC 3600", "U07:"}, /*quirks*/SA_QUIRK_NOCOMP
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}
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};
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static d_open_t saopen;
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static d_read_t saread;
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static d_write_t sawrite;
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static d_close_t saclose;
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static d_strategy_t sastrategy;
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static d_ioctl_t saioctl;
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static periph_init_t sainit;
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static periph_ctor_t saregister;
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static periph_oninv_t saoninvalidate;
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static periph_dtor_t sacleanup;
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static periph_start_t sastart;
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static void saasync(void *callback_arg, u_int32_t code,
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struct cam_path *path, void *arg);
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static void sadone(struct cam_periph *periph,
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union ccb *start_ccb);
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static int saerror(union ccb *ccb, u_int32_t cam_flags,
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u_int32_t sense_flags);
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static int sacheckeod(struct cam_periph *periph);
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static int sagetparams(struct cam_periph *periph,
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sa_params params_to_get,
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u_int32_t *blocksize, u_int8_t *density,
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u_int32_t *numblocks, int *buff_mode,
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u_int8_t *write_protect, u_int8_t *speed,
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int *comp_supported, int *comp_enabled,
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u_int32_t *comp_algorithm,
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struct scsi_data_compression_page *comp_page);
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static int sasetparams(struct cam_periph *periph,
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sa_params params_to_set,
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u_int32_t blocksize, u_int8_t density,
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u_int32_t comp_algorithm);
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static void saprevent(struct cam_periph *periph, int action);
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static int sarewind(struct cam_periph *periph);
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static int saspace(struct cam_periph *periph, int count,
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scsi_space_code code);
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static int samount(struct cam_periph *periph);
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static int saretension(struct cam_periph *periph);
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static int sareservereleaseunit(struct cam_periph *periph,
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int reserve);
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static int saloadunload(struct cam_periph *periph, int load);
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static int saerase(struct cam_periph *periph, int longerase);
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static int sawritefilemarks(struct cam_periph *periph,
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int nmarks, int setmarks);
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static struct periph_driver sadriver =
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{
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sainit, "sa",
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TAILQ_HEAD_INITIALIZER(sadriver.units), /* generation */ 0
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};
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DATA_SET(periphdriver_set, sadriver);
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#define SAUNIT(DEV) ((minor(DEV)&0xF0) >> 4) /* 4 bit unit. */
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#define SASETUNIT(DEV, U) makedev(major(DEV), ((U) << 4))
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#define SAMODE(z) ((minor(z) & 0x03))
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#define SADENSITY(z) (((minor(z) >> 2) & 0x03))
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/* For 2.2-stable support */
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#ifndef D_TAPE
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#define D_TAPE 0
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#endif
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#define CTLMODE 3
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#define SA_CDEV_MAJOR 14
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#define SA_BDEV_MAJOR 5
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static struct cdevsw sa_cdevsw =
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{
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/*d_open*/ saopen,
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/*d_close*/ saclose,
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/*d_read*/ saread,
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/*d_write*/ sawrite,
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/*d_ioctl*/ saioctl,
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/*d_stop*/ nostop,
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/*d_reset*/ noreset,
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/*d_devtotty*/ nodevtotty,
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/*d_poll*/ seltrue,
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/*d_mmap*/ nommap,
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/*d_strategy*/ sastrategy,
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/*d_name*/ "sa",
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/*d_spare*/ NULL,
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/*d_maj*/ -1,
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/*d_dump*/ nodump,
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/*d_psize*/ nopsize,
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/*d_flags*/ D_TAPE,
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/*d_maxio*/ 0,
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/*b_maj*/ -1
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};
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static struct extend_array *saperiphs;
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static int
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saopen(dev_t dev, int flags, int fmt, struct proc *p)
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{
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struct cam_periph *periph;
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struct sa_softc *softc;
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int unit;
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int mode;
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int density;
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int error;
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int s;
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unit = SAUNIT(dev);
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mode = SAMODE(dev);
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density = SADENSITY(dev);
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periph = cam_extend_get(saperiphs, unit);
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if (periph == NULL)
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return (ENXIO);
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softc = (struct sa_softc *)periph->softc;
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CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
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("saaopen: dev=0x%x (unit %d , mode %d, density %d)\n", dev,
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unit, mode, density));
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s = splsoftcam();
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if (softc->flags & SA_FLAG_INVALID) {
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splx(s);
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return(ENXIO);
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}
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if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0) {
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splx(s);
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return (error); /* error code from tsleep */
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}
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splx(s);
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if ((softc->flags & SA_FLAG_OPEN) == 0) {
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if (cam_periph_acquire(periph) != CAM_REQ_CMP)
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return(ENXIO);
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if ((error = sareservereleaseunit(periph, TRUE)) != 0) {
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cam_periph_unlock(periph);
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cam_periph_release(periph);
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return(error);
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}
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}
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if (error == 0) {
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if ((softc->flags & SA_FLAG_OPEN) != 0) {
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error = EBUSY;
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}
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if (error == 0) {
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error = samount(periph);
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}
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/* Perform other checking... */
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}
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if (error == 0) {
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saprevent(periph, PR_PREVENT);
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softc->flags |= SA_FLAG_OPEN;
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}
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cam_periph_unlock(periph);
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return (error);
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}
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static int
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saclose(dev_t dev, int flag, int fmt, struct proc *p)
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{
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struct cam_periph *periph;
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struct sa_softc *softc;
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int unit;
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int mode;
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int error;
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unit = SAUNIT(dev);
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mode = SAMODE(dev);
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periph = cam_extend_get(saperiphs, unit);
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if (periph == NULL)
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return (ENXIO);
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softc = (struct sa_softc *)periph->softc;
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if ((error = cam_periph_lock(periph, PRIBIO)) != 0) {
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return (error); /* error code from tsleep */
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}
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sacheckeod(periph);
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saprevent(periph, PR_ALLOW);
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switch (mode) {
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case SA_MODE_REWIND:
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sarewind(periph);
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break;
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case SA_MODE_OFFLINE:
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sarewind(periph);
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saloadunload(periph, /*load*/FALSE);
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break;
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case SA_MODE_NOREWIND:
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default:
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break;
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}
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softc->flags &= ~SA_FLAG_OPEN;
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/* release the device */
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sareservereleaseunit(periph, FALSE);
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cam_periph_unlock(periph);
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cam_periph_release(periph);
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return (0);
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}
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static int
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saread(dev_t dev, struct uio *uio, int ioflag)
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{
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return(physio(sastrategy, NULL, dev, 1, minphys, uio));
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}
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static int
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sawrite(dev_t dev, struct uio *uio, int ioflag)
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{
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return(physio(sastrategy, NULL, dev, 0, minphys, uio));
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}
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|
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/*
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* Actually translate the requested transfer into one the physical driver
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* can understand. The transfer is described by a buf and will include
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* only one physical transfer.
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*/
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static void
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sastrategy(struct buf *bp)
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{
|
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struct cam_periph *periph;
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struct sa_softc *softc;
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u_int unit;
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int s;
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|
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unit = SAUNIT(bp->b_dev);
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periph = cam_extend_get(saperiphs, unit);
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if (periph == NULL) {
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bp->b_error = ENXIO;
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goto bad;
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}
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softc = (struct sa_softc *)periph->softc;
|
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|
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s = splsoftcam();
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|
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if (softc->flags & SA_FLAG_INVALID) {
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splx(s);
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bp->b_error = ENXIO;
|
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goto bad;
|
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}
|
|
|
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splx(s);
|
|
|
|
/*
|
|
* If it's a null transfer, return immediatly
|
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*/
|
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if (bp->b_bcount == 0)
|
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goto done;
|
|
|
|
/* valid request? */
|
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if (softc->flags & SA_FLAG_FIXED) {
|
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/*
|
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* Fixed block device. The byte count must
|
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* be a multiple of our block size.
|
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*/
|
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if (((softc->blk_mask != ~0)
|
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&& ((bp->b_bcount & softc->blk_mask) != 0))
|
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|| ((softc->blk_mask == ~0)
|
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&& ((bp->b_bcount % softc->min_blk) != 0))) {
|
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xpt_print_path(periph->path);
|
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printf("Invalid request. Fixed block device "
|
|
"requests must be a multiple "
|
|
"of %d bytes\n", softc->min_blk);
|
|
bp->b_error = EINVAL;
|
|
goto bad;
|
|
}
|
|
} else if ((bp->b_bcount > softc->max_blk)
|
|
|| (bp->b_bcount < softc->min_blk)
|
|
|| (bp->b_bcount & softc->blk_mask) != 0) {
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("Invalid request. Variable block device "
|
|
"requests must be ");
|
|
if (softc->blk_mask != 0) {
|
|
printf("a multiple of %d ",
|
|
(0x1 << softc->blk_gran));
|
|
}
|
|
printf("between %d and %d bytes\n",
|
|
softc->min_blk, softc->max_blk);
|
|
bp->b_error = EINVAL;
|
|
goto bad;
|
|
}
|
|
|
|
/*
|
|
* Mask interrupts so that the pack cannot be invalidated until
|
|
* after we are in the queue. Otherwise, we might not properly
|
|
* clean up one of the buffers.
|
|
*/
|
|
s = splbio();
|
|
|
|
/*
|
|
* Place it in the queue of disk activities for this disk
|
|
*/
|
|
bufq_insert_tail(&softc->buf_queue, bp);
|
|
|
|
splx(s);
|
|
|
|
/*
|
|
* Schedule ourselves for performing the work.
|
|
*/
|
|
xpt_schedule(periph, /* XXX priority */1);
|
|
|
|
return;
|
|
bad:
|
|
bp->b_flags |= B_ERROR;
|
|
done:
|
|
|
|
/*
|
|
* Correctly set the buf to indicate a completed xfer
|
|
*/
|
|
bp->b_resid = bp->b_bcount;
|
|
biodone(bp);
|
|
}
|
|
|
|
static int
|
|
saioctl(dev_t dev, u_long cmd, caddr_t arg, int flag, struct proc *p)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct sa_softc *softc;
|
|
int unit;
|
|
int mode;
|
|
int density;
|
|
int error;
|
|
|
|
unit = SAUNIT(dev);
|
|
mode = SAMODE(dev);
|
|
density = SADENSITY(dev);
|
|
|
|
periph = cam_extend_get(saperiphs, unit);
|
|
if (periph == NULL)
|
|
return (ENXIO);
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
/*
|
|
* Find the device that the user is talking about
|
|
*/
|
|
switch (cmd) {
|
|
case MTIOCGET:
|
|
{
|
|
struct mtget *g = (struct mtget *)arg;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
|
|
("saioctl: MTIOGET\n"));
|
|
|
|
bzero(g, sizeof(struct mtget));
|
|
g->mt_type = 0x7; /* Ultrix compat *//*? */
|
|
g->mt_density = softc->media_density;
|
|
g->mt_blksiz = softc->media_blksize;
|
|
if (softc->flags & SA_FLAG_COMP_UNSUPP) {
|
|
g->mt_comp = MT_COMP_UNSUPP;
|
|
g->mt_comp0 = MT_COMP_UNSUPP;
|
|
g->mt_comp1 = MT_COMP_UNSUPP;
|
|
g->mt_comp2 = MT_COMP_UNSUPP;
|
|
g->mt_comp3 = MT_COMP_UNSUPP;
|
|
} else if ((softc->flags & SA_FLAG_COMP_ENABLED) == 0) {
|
|
g->mt_comp = MT_COMP_DISABLED;
|
|
g->mt_comp0 = MT_COMP_DISABLED;
|
|
g->mt_comp1 = MT_COMP_DISABLED;
|
|
g->mt_comp2 = MT_COMP_DISABLED;
|
|
g->mt_comp3 = MT_COMP_DISABLED;
|
|
} else {
|
|
g->mt_comp = softc->comp_algorithm;
|
|
g->mt_comp0 = softc->comp_algorithm;
|
|
g->mt_comp1 = softc->comp_algorithm;
|
|
g->mt_comp2 = softc->comp_algorithm;
|
|
g->mt_comp3 = softc->comp_algorithm;
|
|
}
|
|
g->mt_density0 = softc->media_density;
|
|
g->mt_density1 = softc->media_density;
|
|
g->mt_density2 = softc->media_density;
|
|
g->mt_density3 = softc->media_density;
|
|
g->mt_blksiz0 = softc->media_blksize;
|
|
g->mt_blksiz1 = softc->media_blksize;
|
|
g->mt_blksiz2 = softc->media_blksize;
|
|
g->mt_blksiz3 = softc->media_blksize;
|
|
error = 0;
|
|
break;
|
|
}
|
|
case MTIOCTOP:
|
|
{
|
|
struct mtop *mt;
|
|
int count;
|
|
|
|
mt = (struct mtop *)arg;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
|
|
("saioctl: op=0x%x count=0x%x\n",
|
|
mt->mt_op, mt->mt_count));
|
|
|
|
count = mt->mt_count;
|
|
switch (mt->mt_op) {
|
|
case MTWEOF: /* write an end-of-file record */
|
|
error = sawritefilemarks(periph, count,
|
|
/*setmarks*/FALSE);
|
|
break;
|
|
case MTBSR: /* backward space record */
|
|
case MTFSR: /* forward space record */
|
|
case MTBSF: /* backward space file */
|
|
case MTFSF: /* forward space file */
|
|
case MTEOD: /* space to end of recorded medium */
|
|
{
|
|
int nmarks;
|
|
scsi_space_code spaceop;
|
|
|
|
nmarks = softc->filemarks;
|
|
error = sacheckeod(periph);
|
|
nmarks -= softc->filemarks;
|
|
|
|
if ((mt->mt_op == MTBSR) || (mt->mt_op == MTBSF))
|
|
count = -count;
|
|
|
|
if ((mt->mt_op == MTBSF) || (mt->mt_op == MTFSF))
|
|
spaceop = SS_FILEMARKS;
|
|
else if ((mt->mt_op == MTBSR) || (mt->mt_op == MTFSR))
|
|
spaceop = SS_BLOCKS;
|
|
else {
|
|
spaceop = SS_EOD;
|
|
count = 0;
|
|
nmarks = 0;
|
|
}
|
|
|
|
nmarks = softc->filemarks;
|
|
error = sacheckeod(periph);
|
|
nmarks -= softc->filemarks;
|
|
if (error == 0)
|
|
error = saspace(periph, count - nmarks,
|
|
spaceop);
|
|
break;
|
|
}
|
|
case MTREW: /* rewind */
|
|
error = sarewind(periph);
|
|
break;
|
|
case MTERASE: /* erase */
|
|
error = saerase(periph, count);
|
|
break;
|
|
case MTRETENS: /* re-tension tape */
|
|
error = saretension(periph);
|
|
break;
|
|
case MTOFFL: /* rewind and put the drive offline */
|
|
/*
|
|
* Be sure to allow media removal before
|
|
* attempting the eject.
|
|
*/
|
|
saprevent(periph, PR_ALLOW);
|
|
error = sarewind(periph);
|
|
|
|
if (error == 0)
|
|
error = saloadunload(periph, /*load*/FALSE);
|
|
else
|
|
break;
|
|
|
|
/* XXX KDM */
|
|
softc->flags &= ~SA_FLAG_TAPE_LOCKED;
|
|
softc->flags &= ~SA_FLAG_TAPE_MOUNTED;
|
|
break;
|
|
case MTNOP: /* no operation, sets status only */
|
|
case MTCACHE: /* enable controller cache */
|
|
case MTNOCACHE: /* disable controller cache */
|
|
error = 0;
|
|
break;
|
|
case MTSETBSIZ: /* Set block size for device */
|
|
|
|
error = sasetparams(periph, SA_PARAM_BLOCKSIZE, count,
|
|
0, 0);
|
|
break;
|
|
case MTSETDNSTY: /* Set density for device and mode */
|
|
if (count > UCHAR_MAX) {
|
|
error = EINVAL;
|
|
break;
|
|
} else {
|
|
error = sasetparams(periph, SA_PARAM_DENSITY,
|
|
0, count, 0);
|
|
}
|
|
break;
|
|
case MTCOMP: /* enable compression */
|
|
/*
|
|
* Some devices don't support compression, and
|
|
* don't like it if you ask them for the
|
|
* compression page.
|
|
*/
|
|
if ((softc->quirks & SA_QUIRK_NOCOMP)
|
|
|| (softc->flags & SA_FLAG_COMP_UNSUPP)) {
|
|
error = ENODEV;
|
|
break;
|
|
}
|
|
error = sasetparams(periph, SA_PARAM_COMPRESSION,
|
|
0, 0, count);
|
|
break;
|
|
default:
|
|
error = EINVAL;
|
|
}
|
|
break;
|
|
}
|
|
case MTIOCIEOT:
|
|
case MTIOCEEOT:
|
|
error = 0;
|
|
break;
|
|
default:
|
|
error = cam_periph_ioctl(periph, cmd, arg, saerror);
|
|
break;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static void
|
|
sainit(void)
|
|
{
|
|
cam_status status;
|
|
struct cam_path *path;
|
|
|
|
/*
|
|
* Create our extend array for storing the devices we attach to.
|
|
*/
|
|
saperiphs = cam_extend_new();
|
|
if (saperiphs == NULL) {
|
|
printf("sa: Failed to alloc extend array!\n");
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Install a global async callback.
|
|
*/
|
|
status = xpt_create_path(&path, NULL, CAM_XPT_PATH_ID,
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
|
|
|
|
if (status == CAM_REQ_CMP) {
|
|
/* Register the async callbacks of interrest */
|
|
struct ccb_setasync csa; /*
|
|
* This is an immediate CCB,
|
|
* so using the stack is OK
|
|
*/
|
|
xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = AC_FOUND_DEVICE;
|
|
csa.callback = saasync;
|
|
csa.callback_arg = NULL;
|
|
xpt_action((union ccb *)&csa);
|
|
status = csa.ccb_h.status;
|
|
xpt_free_path(path);
|
|
}
|
|
|
|
if (status != CAM_REQ_CMP) {
|
|
printf("sa: Failed to attach master async callback "
|
|
"due to status 0x%x!\n", status);
|
|
} else {
|
|
/* If we were successfull, register our devsw */
|
|
cdevsw_add_generic(SA_BDEV_MAJOR, SA_CDEV_MAJOR, &sa_cdevsw);
|
|
}
|
|
}
|
|
|
|
static void
|
|
saoninvalidate(struct cam_periph *periph)
|
|
{
|
|
struct sa_softc *softc;
|
|
struct buf *q_bp;
|
|
struct ccb_setasync csa;
|
|
int s;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
/*
|
|
* De-register any async callbacks.
|
|
*/
|
|
xpt_setup_ccb(&csa.ccb_h, periph->path,
|
|
/* priority */ 5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = 0;
|
|
csa.callback = saasync;
|
|
csa.callback_arg = periph;
|
|
xpt_action((union ccb *)&csa);
|
|
|
|
softc->flags |= SA_FLAG_INVALID;
|
|
|
|
/*
|
|
* Although the oninvalidate() routines are always called at
|
|
* splsoftcam, we need to be at splbio() here to keep the buffer
|
|
* queue from being modified while we traverse it.
|
|
*/
|
|
s = splbio();
|
|
|
|
/*
|
|
* Return all queued I/O with ENXIO.
|
|
* XXX Handle any transactions queued to the card
|
|
* with XPT_ABORT_CCB.
|
|
*/
|
|
while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
|
|
bufq_remove(&softc->buf_queue, q_bp);
|
|
q_bp->b_resid = q_bp->b_bcount;
|
|
q_bp->b_error = ENXIO;
|
|
q_bp->b_flags |= B_ERROR;
|
|
biodone(q_bp);
|
|
}
|
|
splx(s);
|
|
|
|
xpt_print_path(periph->path);
|
|
printf("lost device\n");
|
|
|
|
}
|
|
|
|
static void
|
|
sacleanup(struct cam_periph *periph)
|
|
{
|
|
struct sa_softc *softc;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
devstat_remove_entry(&softc->device_stats);
|
|
cam_extend_release(saperiphs, periph->unit_number);
|
|
xpt_print_path(periph->path);
|
|
printf("removing device entry\n");
|
|
free(softc, M_DEVBUF);
|
|
}
|
|
|
|
static void
|
|
saasync(void *callback_arg, u_int32_t code,
|
|
struct cam_path *path, void *arg)
|
|
{
|
|
struct cam_periph *periph;
|
|
|
|
periph = (struct cam_periph *)callback_arg;
|
|
switch (code) {
|
|
case AC_FOUND_DEVICE:
|
|
{
|
|
struct ccb_getdev *cgd;
|
|
cam_status status;
|
|
|
|
cgd = (struct ccb_getdev *)arg;
|
|
|
|
if (cgd->pd_type != T_SEQUENTIAL)
|
|
break;
|
|
|
|
/*
|
|
* Allocate a peripheral instance for
|
|
* this device and start the probe
|
|
* process.
|
|
*/
|
|
status = cam_periph_alloc(saregister, saoninvalidate,
|
|
sacleanup, sastart,
|
|
"sa", CAM_PERIPH_BIO, cgd->ccb_h.path,
|
|
saasync, AC_FOUND_DEVICE, cgd);
|
|
|
|
if (status != CAM_REQ_CMP
|
|
&& status != CAM_REQ_INPROG)
|
|
printf("saasync: Unable to probe new device "
|
|
"due to status 0x%x\n", status);
|
|
break;
|
|
}
|
|
case AC_LOST_DEVICE:
|
|
cam_periph_invalidate(periph);
|
|
break;
|
|
case AC_TRANSFER_NEG:
|
|
case AC_SENT_BDR:
|
|
case AC_SCSI_AEN:
|
|
case AC_UNSOL_RESEL:
|
|
case AC_BUS_RESET:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static cam_status
|
|
saregister(struct cam_periph *periph, void *arg)
|
|
{
|
|
struct sa_softc *softc;
|
|
struct ccb_setasync csa;
|
|
struct ccb_getdev *cgd;
|
|
caddr_t match;
|
|
|
|
cgd = (struct ccb_getdev *)arg;
|
|
if (periph == NULL) {
|
|
printf("saregister: periph was NULL!!\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
if (cgd == NULL) {
|
|
printf("saregister: no getdev CCB, can't register device\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
softc = (struct sa_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
|
|
|
|
if (softc == NULL) {
|
|
printf("saregister: Unable to probe new device. "
|
|
"Unable to allocate softc\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
bzero(softc, sizeof(*softc));
|
|
softc->state = SA_STATE_NORMAL;
|
|
bufq_init(&softc->buf_queue);
|
|
periph->softc = softc;
|
|
cam_extend_set(saperiphs, periph->unit_number, periph);
|
|
|
|
/*
|
|
* See if this device has any quirks.
|
|
*/
|
|
match = cam_quirkmatch((caddr_t)&cgd->inq_data,
|
|
(caddr_t)sa_quirk_table,
|
|
sizeof(sa_quirk_table)/sizeof(*sa_quirk_table),
|
|
sizeof(*sa_quirk_table), scsi_inquiry_match);
|
|
|
|
if (match != NULL)
|
|
softc->quirks = ((struct sa_quirk_entry *)match)->quirks;
|
|
else
|
|
softc->quirks = SA_QUIRK_NONE;
|
|
|
|
/*
|
|
* The SA driver supports a blocksize, but we don't know the
|
|
* blocksize until we sense the media. So, set a flag to
|
|
* indicate that the blocksize is unavailable right now.
|
|
* We'll clear the flag as soon as we've done a read capacity.
|
|
*/
|
|
devstat_add_entry(&softc->device_stats, "sa",
|
|
periph->unit_number, 0,
|
|
DEVSTAT_BS_UNAVAILABLE,
|
|
cgd->pd_type | DEVSTAT_TYPE_IF_SCSI);
|
|
|
|
/*
|
|
* Add an async callback so that we get
|
|
* notified if this device goes away.
|
|
*/
|
|
xpt_setup_ccb(&csa.ccb_h, periph->path, /* priority */ 5);
|
|
csa.ccb_h.func_code = XPT_SASYNC_CB;
|
|
csa.event_enable = AC_LOST_DEVICE;
|
|
csa.callback = saasync;
|
|
csa.callback_arg = periph;
|
|
xpt_action((union ccb *)&csa);
|
|
|
|
xpt_announce_periph(periph, NULL);
|
|
|
|
return(CAM_REQ_CMP);
|
|
}
|
|
|
|
static void
|
|
sastart(struct cam_periph *periph, union ccb *start_ccb)
|
|
{
|
|
struct sa_softc *softc;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
|
|
switch (softc->state) {
|
|
case SA_STATE_NORMAL:
|
|
{
|
|
/* Pull a buffer from the queue and get going on it */
|
|
struct buf *bp;
|
|
int s;
|
|
|
|
/*
|
|
* See if there is a buf with work for us to do..
|
|
*/
|
|
s = splbio();
|
|
bp = bufq_first(&softc->buf_queue);
|
|
if (periph->immediate_priority <= periph->pinfo.priority) {
|
|
CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
|
|
("queuing for immediate ccb\n"));
|
|
start_ccb->ccb_h.ccb_type = SA_CCB_WAITING;
|
|
SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
|
|
periph_links.sle);
|
|
periph->immediate_priority = CAM_PRIORITY_NONE;
|
|
splx(s);
|
|
wakeup(&periph->ccb_list);
|
|
} else if (bp == NULL) {
|
|
splx(s);
|
|
xpt_release_ccb(start_ccb);
|
|
} else if ((softc->flags & SA_FLAG_ERR_PENDING) != 0) {
|
|
|
|
bufq_remove(&softc->buf_queue, bp);
|
|
bp->b_resid = bp->b_bcount;
|
|
bp->b_flags |= B_ERROR;
|
|
if ((softc->flags & SA_FLAG_EOM_PENDING) != 0) {
|
|
if ((bp->b_flags & B_READ) == 0)
|
|
bp->b_error = ENOSPC;
|
|
}
|
|
if ((softc->flags & SA_FLAG_EIO_PENDING) != 0) {
|
|
bp->b_error = EIO;
|
|
}
|
|
softc->flags &= ~SA_FLAG_ERR_PENDING;
|
|
bp = bufq_first(&softc->buf_queue);
|
|
splx(s);
|
|
biodone(bp);
|
|
} else {
|
|
u_int32_t length;
|
|
|
|
bufq_remove(&softc->buf_queue, bp);
|
|
|
|
if ((softc->flags & SA_FLAG_FIXED) != 0) {
|
|
if (softc->blk_shift != 0) {
|
|
length =
|
|
bp->b_bcount >> softc->blk_shift;
|
|
} else {
|
|
length =
|
|
bp->b_bcount / softc->min_blk;
|
|
}
|
|
} else {
|
|
length = bp->b_bcount;
|
|
}
|
|
|
|
devstat_start_transaction(&softc->device_stats);
|
|
|
|
/*
|
|
* XXX - Perhaps we should...
|
|
* suppress illegal length indication if we are
|
|
* running in variable block mode so that we don't
|
|
* have to request sense every time our requested
|
|
* block size is larger than the written block.
|
|
* The residual information from the ccb allows
|
|
* us to identify this situation anyway. The only
|
|
* problem with this is that we will not get
|
|
* information about blocks that are larger than
|
|
* our read buffer unless we set the block size
|
|
* in the mode page to something other than 0.
|
|
*/
|
|
scsi_sa_read_write(&start_ccb->csio,
|
|
/*retries*/4,
|
|
sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
bp->b_flags & B_READ,
|
|
/*SILI*/FALSE,
|
|
softc->flags & SA_FLAG_FIXED,
|
|
length,
|
|
bp->b_data,
|
|
bp->b_bcount,
|
|
SSD_FULL_SIZE,
|
|
120 * 60 * 1000); /* 2min */
|
|
start_ccb->ccb_h.ccb_type = SA_CCB_BUFFER_IO;
|
|
start_ccb->ccb_h.ccb_bp = bp;
|
|
bp = bufq_first(&softc->buf_queue);
|
|
splx(s);
|
|
|
|
xpt_action(start_ccb);
|
|
}
|
|
|
|
if (bp != NULL) {
|
|
/* Have more work to do, so ensure we stay scheduled */
|
|
xpt_schedule(periph, /* XXX priority */1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
sadone(struct cam_periph *periph, union ccb *done_ccb)
|
|
{
|
|
struct sa_softc *softc;
|
|
struct ccb_scsiio *csio;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
csio = &done_ccb->csio;
|
|
switch (csio->ccb_h.ccb_type) {
|
|
case SA_CCB_BUFFER_IO:
|
|
{
|
|
struct buf *bp;
|
|
int error;
|
|
|
|
bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
|
|
error = 0;
|
|
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
|
|
|
|
if ((error = saerror(done_ccb, 0, 0)) == ERESTART) {
|
|
/*
|
|
* A retry was scheuled, so
|
|
* just return.
|
|
*/
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (error == EIO) {
|
|
int s;
|
|
struct buf *q_bp;
|
|
|
|
/*
|
|
* Catastrophic error. Mark our pack as invalid,
|
|
* return all queued I/O with EIO, and unfreeze
|
|
* our queue so that future transactions that
|
|
* attempt to fix this problem can get to the
|
|
* device.
|
|
*
|
|
*/
|
|
|
|
s = splbio();
|
|
softc->flags &= ~SA_FLAG_TAPE_MOUNTED;
|
|
|
|
while ((q_bp = bufq_first(&softc->buf_queue)) != NULL) {
|
|
bufq_remove(&softc->buf_queue, q_bp);
|
|
q_bp->b_resid = q_bp->b_bcount;
|
|
q_bp->b_error = EIO;
|
|
q_bp->b_flags |= B_ERROR;
|
|
biodone(q_bp);
|
|
}
|
|
splx(s);
|
|
}
|
|
if (error != 0) {
|
|
bp->b_resid = bp->b_bcount;
|
|
bp->b_error = error;
|
|
bp->b_flags |= B_ERROR;
|
|
cam_release_devq(done_ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
} else {
|
|
bp->b_resid = csio->resid;
|
|
bp->b_error = 0;
|
|
if (csio->resid != 0) {
|
|
bp->b_flags |= B_ERROR;
|
|
}
|
|
if ((bp->b_flags & B_READ) == 0) {
|
|
softc->flags |= SA_FLAG_TAPE_WRITTEN;
|
|
softc->filemarks = 0;
|
|
}
|
|
}
|
|
|
|
devstat_end_transaction(&softc->device_stats,
|
|
bp->b_bcount - bp->b_resid,
|
|
done_ccb->csio.tag_action & 0xf,
|
|
(bp->b_flags & B_READ) ? DEVSTAT_READ
|
|
: DEVSTAT_WRITE);
|
|
biodone(bp);
|
|
break;
|
|
}
|
|
case SA_CCB_WAITING:
|
|
{
|
|
/* Caller will release the CCB */
|
|
wakeup(&done_ccb->ccb_h.cbfcnp);
|
|
return;
|
|
}
|
|
}
|
|
xpt_release_ccb(done_ccb);
|
|
}
|
|
|
|
static int
|
|
samount(struct cam_periph *periph)
|
|
{
|
|
struct sa_softc *softc;
|
|
union ccb *ccb;
|
|
struct ccb_scsiio *csio;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
ccb = cam_periph_getccb(periph, /* priority */1);
|
|
csio = &ccb->csio;
|
|
error = 0;
|
|
|
|
/*
|
|
* Determine if something has happend since the last
|
|
* open/mount that would invalidate a mount. This
|
|
* will also eat any pending UAs.
|
|
*/
|
|
scsi_test_unit_ready(csio,
|
|
/*retries*/1,
|
|
sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
SSD_FULL_SIZE,
|
|
/*timeout*/5000);
|
|
|
|
cam_periph_runccb(ccb, /*error handler*/NULL, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
softc->flags &= ~SA_FLAG_TAPE_MOUNTED;
|
|
}
|
|
|
|
if ((softc->flags & SA_FLAG_TAPE_MOUNTED) == 0) {
|
|
struct scsi_read_block_limits_data *rblim;
|
|
int comp_enabled, comp_supported;
|
|
u_int8_t write_protect;
|
|
|
|
/*
|
|
* Clear out old state.
|
|
*/
|
|
softc->flags &= ~(SA_FLAG_TAPE_WP|SA_FLAG_TAPE_WRITTEN|
|
|
SA_FLAG_ERR_PENDING|SA_FLAG_COMP_ENABLED|
|
|
SA_FLAG_COMP_UNSUPP);
|
|
softc->filemarks = 0;
|
|
|
|
/*
|
|
* First off, determine block limits.
|
|
*/
|
|
rblim = (struct scsi_read_block_limits_data *)
|
|
malloc(sizeof(*rblim), M_TEMP, M_WAITOK);
|
|
|
|
scsi_read_block_limits(csio,
|
|
/*retries*/1,
|
|
sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
rblim,
|
|
SSD_FULL_SIZE,
|
|
/*timeout*/5000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/SF_RETRY_UA,
|
|
&softc->device_stats);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
if (error != 0)
|
|
goto exit;
|
|
|
|
softc->blk_gran = RBL_GRAN(rblim);
|
|
softc->max_blk = scsi_3btoul(rblim->maximum);
|
|
softc->min_blk = scsi_2btoul(rblim->minimum);
|
|
if (softc->max_blk == softc->min_blk) {
|
|
softc->flags |= SA_FLAG_FIXED;
|
|
if (powerof2(softc->min_blk)) {
|
|
softc->blk_mask = softc->min_blk - 1;
|
|
softc->blk_shift = 0;
|
|
softc->blk_shift = ffs(softc->min_blk) - 1;
|
|
} else {
|
|
softc->blk_mask = ~0;
|
|
softc->blk_shift = 0;
|
|
}
|
|
} else {
|
|
/*
|
|
* SCSI-III spec allows 0
|
|
* to mean "unspecified"
|
|
*/
|
|
if (softc->max_blk == 0) {
|
|
softc->max_blk = ~0;
|
|
}
|
|
softc->blk_shift = 0;
|
|
if (softc->blk_gran != 0) {
|
|
softc->blk_mask = softc->blk_gran - 1;
|
|
} else {
|
|
softc->blk_mask = 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Next, perform a mode sense to determine
|
|
* current density, blocksize, compression etc.
|
|
*/
|
|
error = sagetparams(periph, SA_PARAM_ALL,
|
|
&softc->media_blksize,
|
|
&softc->media_density,
|
|
&softc->media_numblks,
|
|
&softc->buffer_mode, &write_protect,
|
|
&softc->speed, &comp_supported,
|
|
&comp_enabled, &softc->comp_algorithm,
|
|
NULL);
|
|
|
|
if (error != 0)
|
|
goto exit;
|
|
|
|
if (write_protect)
|
|
softc->flags |= SA_FLAG_TAPE_WP;
|
|
|
|
if (comp_supported) {
|
|
if (comp_enabled) {
|
|
softc->flags |= SA_FLAG_COMP_ENABLED;
|
|
|
|
if (softc->saved_comp_algorithm == 0)
|
|
softc->saved_comp_algorithm =
|
|
softc->comp_algorithm;
|
|
}
|
|
} else
|
|
softc->flags |= SA_FLAG_COMP_UNSUPP;
|
|
|
|
if (softc->buffer_mode != SMH_SA_BUF_MODE_NOBUF)
|
|
goto exit;
|
|
|
|
error = sasetparams(periph, SA_PARAM_BUFF_MODE, 0, 0, 0);
|
|
|
|
if (error == 0)
|
|
softc->buffer_mode = SMH_SA_BUF_MODE_SIBUF;
|
|
exit:
|
|
if (rblim != NULL)
|
|
free(rblim, M_TEMP);
|
|
|
|
if (error != 0) {
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
}
|
|
} else
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
sacheckeod(struct cam_periph *periph)
|
|
{
|
|
int error;
|
|
int markswanted;
|
|
struct sa_softc *softc;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
markswanted = 0;
|
|
|
|
if ((softc->flags & SA_FLAG_TAPE_WRITTEN) != 0) {
|
|
markswanted++;
|
|
|
|
if ((softc->flags & SA_FLAG_2FM_AT_EOD) != 0)
|
|
markswanted++;
|
|
}
|
|
|
|
if (softc->filemarks < markswanted) {
|
|
markswanted -= softc->filemarks;
|
|
error = sawritefilemarks(periph, markswanted,
|
|
/*setmarks*/FALSE);
|
|
} else {
|
|
error = 0;
|
|
}
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
saerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
|
|
{
|
|
struct cam_periph *periph;
|
|
struct sa_softc *softc;
|
|
struct ccb_scsiio *csio;
|
|
struct scsi_sense_data *sense;
|
|
int error_code, sense_key, asc, ascq;
|
|
int error;
|
|
|
|
periph = xpt_path_periph(ccb->ccb_h.path);
|
|
softc = (struct sa_softc *)periph->softc;
|
|
csio = &ccb->csio;
|
|
sense = &csio->sense_data;
|
|
scsi_extract_sense(sense, &error_code, &sense_key, &asc, &ascq);
|
|
error = 0;
|
|
|
|
if (((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR)
|
|
&& ((sense->flags & (SSD_EOM|SSD_FILEMARK|SSD_ILI)) != 0)
|
|
&& ((sense_key == SSD_KEY_NO_SENSE)
|
|
|| (sense_key == SSD_KEY_BLANK_CHECK))) {
|
|
u_int32_t info;
|
|
u_int32_t resid;
|
|
int defer_action;
|
|
|
|
/*
|
|
* Filter out some sense codes of interest.
|
|
*/
|
|
if ((sense->error_code & SSD_ERRCODE_VALID) != 0) {
|
|
info = scsi_4btoul(sense->info);
|
|
resid = info;
|
|
if ((softc->flags & SA_FLAG_FIXED) != 0)
|
|
resid *= softc->media_blksize;
|
|
} else {
|
|
resid = csio->dxfer_len;
|
|
info = resid;
|
|
if ((softc->flags & SA_FLAG_FIXED) != 0)
|
|
info /= softc->media_blksize;
|
|
}
|
|
if ((resid > 0 && resid < csio->dxfer_len)
|
|
&& (softc->flags & SA_FLAG_FIXED) != 0)
|
|
defer_action = TRUE;
|
|
else
|
|
defer_action = FALSE;
|
|
|
|
if ((sense->flags & SSD_EOM) != 0
|
|
|| (sense_key == 0x8 /* BLANK CHECK*/)) {
|
|
csio->resid = resid;
|
|
if (defer_action) {
|
|
softc->flags |= SA_FLAG_EOM_PENDING;
|
|
} else {
|
|
if (csio->cdb_io.cdb_bytes[0] == SA_WRITE)
|
|
error = ENOSPC;
|
|
}
|
|
}
|
|
if ((sense->flags & SSD_FILEMARK) != 0) {
|
|
csio->resid = resid;
|
|
if (defer_action)
|
|
softc->flags |= SA_FLAG_EOF_PENDING;
|
|
}
|
|
if (sense->flags & SSD_ILI) {
|
|
if (info < 0) {
|
|
/*
|
|
* The record was too big.
|
|
*/
|
|
xpt_print_path(csio->ccb_h.path);
|
|
printf("%d-byte tape record bigger "
|
|
"than suplied read buffer\n",
|
|
csio->dxfer_len - info);
|
|
csio->resid = csio->dxfer_len;
|
|
error = EIO;
|
|
} else {
|
|
csio->resid = resid;
|
|
if ((softc->flags & SA_FLAG_FIXED) != 0) {
|
|
if (defer_action)
|
|
softc->flags |=
|
|
SA_FLAG_EIO_PENDING;
|
|
else
|
|
error = EIO;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (error == 0)
|
|
error = cam_periph_error(ccb, cam_flags, sense_flags,
|
|
&softc->saved_ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
sagetparams(struct cam_periph *periph, sa_params params_to_get,
|
|
u_int32_t *blocksize, u_int8_t *density, u_int32_t *numblocks,
|
|
int *buff_mode, u_int8_t *write_protect, u_int8_t *speed,
|
|
int *comp_supported, int *comp_enabled, u_int32_t *comp_algorithm,
|
|
struct scsi_data_compression_page *comp_page)
|
|
{
|
|
union ccb *ccb;
|
|
void *mode_buffer;
|
|
struct scsi_mode_header_6 *mode_hdr;
|
|
struct scsi_mode_blk_desc *mode_blk;
|
|
struct scsi_data_compression_page *ncomp_page;
|
|
int mode_buffer_len;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
cam_status status;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/ 1);
|
|
|
|
retry:
|
|
mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk);
|
|
|
|
if (params_to_get & SA_PARAM_COMPRESSION) {
|
|
if (softc->quirks & SA_QUIRK_NOCOMP) {
|
|
*comp_supported = FALSE;
|
|
params_to_get &= ~SA_PARAM_COMPRESSION;
|
|
} else
|
|
mode_buffer_len +=
|
|
sizeof(struct scsi_data_compression_page);
|
|
}
|
|
|
|
mode_buffer = malloc(mode_buffer_len, M_TEMP, M_WAITOK);
|
|
|
|
bzero(mode_buffer, mode_buffer_len);
|
|
|
|
mode_hdr = (struct scsi_mode_header_6 *)mode_buffer;
|
|
mode_blk = (struct scsi_mode_blk_desc *)&mode_hdr[1];
|
|
|
|
if (params_to_get & SA_PARAM_COMPRESSION)
|
|
ncomp_page = (struct scsi_data_compression_page *)&mode_blk[1];
|
|
else
|
|
ncomp_page = NULL;
|
|
|
|
scsi_mode_sense(&ccb->csio,
|
|
/*retries*/ 1,
|
|
/*cbfcnp*/ sadone,
|
|
/*tag_action*/ MSG_SIMPLE_Q_TAG,
|
|
/*dbd*/ FALSE,
|
|
/*page_code*/ SMS_PAGE_CTRL_CURRENT,
|
|
/*page*/ (params_to_get & SA_PARAM_COMPRESSION) ?
|
|
SA_DATA_COMPRESSION_PAGE :
|
|
SMS_VENDOR_SPECIFIC_PAGE,
|
|
/*param_buf*/ mode_buffer,
|
|
/*param_len*/ mode_buffer_len,
|
|
/*sense_len*/ SSD_FULL_SIZE,
|
|
/*timeout*/ 5000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/ 0,
|
|
/*sense_flags*/SF_NO_PRINT,
|
|
&softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/* relsim_flags */0,
|
|
/* opening_reduction */0,
|
|
/* timeout */0,
|
|
/* getcount_only */ FALSE);
|
|
|
|
status = ccb->ccb_h.status & CAM_STATUS_MASK;
|
|
|
|
if (error == EINVAL
|
|
&& (params_to_get & SA_PARAM_COMPRESSION) != 0) {
|
|
/*
|
|
* Most likely doesn't support the compression
|
|
* page. Remeber this for the future and attempt
|
|
* the request without asking for compression info.
|
|
*/
|
|
softc->quirks |= SA_QUIRK_NOCOMP;
|
|
free(mode_buffer, M_TEMP);
|
|
goto retry;
|
|
} else if (error == 0) {
|
|
struct scsi_data_compression_page *temp_comp_page;
|
|
|
|
temp_comp_page = NULL;
|
|
|
|
/*
|
|
* If the user only wants the compression information, and
|
|
* the device doesn't send back the block descriptor, it's
|
|
* no big deal. If the user wants more than just
|
|
* compression, though, and the device doesn't pass back the
|
|
* block descriptor, we need to send another mode sense to
|
|
* get the block descriptor.
|
|
*/
|
|
if ((mode_hdr->blk_desc_len == 0)
|
|
&& (params_to_get & SA_PARAM_COMPRESSION)
|
|
&& ((params_to_get & ~(SA_PARAM_COMPRESSION)) != 0)) {
|
|
|
|
/*
|
|
* Decrease the mode buffer length by the size of
|
|
* the compression page, to make sure the data
|
|
* there doesn't get overwritten.
|
|
*/
|
|
mode_buffer_len -= sizeof(*ncomp_page);
|
|
|
|
/*
|
|
* Now move the compression page that we presumably
|
|
* got back down the memory chunk a little bit so
|
|
* it doesn't get spammed.
|
|
*/
|
|
temp_comp_page =
|
|
(struct scsi_data_compression_page *)&mode_hdr[1];
|
|
bcopy(temp_comp_page, ncomp_page, sizeof(*ncomp_page));
|
|
|
|
/*
|
|
* Now, we issue another mode sense and just ask
|
|
* for the block descriptor, etc.
|
|
*/
|
|
scsi_mode_sense(&ccb->csio,
|
|
/*retries*/ 1,
|
|
/*cbfcnp*/ sadone,
|
|
/*tag_action*/ MSG_SIMPLE_Q_TAG,
|
|
/*dbd*/ FALSE,
|
|
/*page_code*/ SMS_PAGE_CTRL_CURRENT,
|
|
/*page*/ SMS_VENDOR_SPECIFIC_PAGE,
|
|
/*param_buf*/ mode_buffer,
|
|
/*param_len*/ mode_buffer_len,
|
|
/*sense_len*/ SSD_FULL_SIZE,
|
|
/*timeout*/ 5000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/ 0,
|
|
/*sense_flags*/ 0,
|
|
&softc->device_stats);
|
|
|
|
if (error != 0)
|
|
goto sagetparamsexit;
|
|
|
|
}
|
|
|
|
if (params_to_get & SA_PARAM_BLOCKSIZE)
|
|
*blocksize = scsi_3btoul(mode_blk->blklen);
|
|
|
|
if (params_to_get & SA_PARAM_NUMBLOCKS)
|
|
*numblocks = scsi_3btoul(mode_blk->nblocks);
|
|
|
|
if (params_to_get & SA_PARAM_BUFF_MODE)
|
|
*buff_mode = mode_hdr->dev_spec & SMH_SA_BUF_MODE_MASK;
|
|
|
|
if (params_to_get & SA_PARAM_DENSITY)
|
|
*density = mode_blk->density;
|
|
|
|
if (params_to_get & SA_PARAM_WP)
|
|
*write_protect = (mode_hdr->dev_spec & SMH_SA_WP) ?
|
|
TRUE : FALSE;
|
|
if (params_to_get & SA_PARAM_SPEED)
|
|
*speed = mode_hdr->dev_spec & SMH_SA_SPEED_MASK;
|
|
|
|
if (params_to_get & SA_PARAM_COMPRESSION) {
|
|
*comp_supported =(ncomp_page->dce_and_dcc & SA_DCP_DCC)?
|
|
TRUE : FALSE;
|
|
*comp_enabled = (ncomp_page->dce_and_dcc & SA_DCP_DCE)?
|
|
TRUE : FALSE;
|
|
*comp_algorithm =
|
|
scsi_4btoul(ncomp_page->comp_algorithm);
|
|
if (comp_page != NULL)
|
|
bcopy(ncomp_page, comp_page,sizeof(*comp_page));
|
|
}
|
|
|
|
} else if (status == CAM_SCSI_STATUS_ERROR) {
|
|
/* Tell the user about the fatal error. */
|
|
scsi_sense_print(&ccb->csio);
|
|
}
|
|
|
|
sagetparamsexit:
|
|
|
|
xpt_release_ccb(ccb);
|
|
free(mode_buffer, M_TEMP);
|
|
return(error);
|
|
}
|
|
|
|
/*
|
|
* The purpose of this function is to set one of four different parameters
|
|
* for a tape drive:
|
|
* - blocksize
|
|
* - density
|
|
* - compression / compression algorithm
|
|
* - buffering mode
|
|
*
|
|
* The assumption is that this will be called from saioctl(), and therefore
|
|
* from a process context. Thus the waiting malloc calls below. If that
|
|
* assumption ever changes, the malloc calls should be changed to be
|
|
* NOWAIT mallocs.
|
|
*
|
|
* Any or all of the four parameters may be set when this function is
|
|
* called. It should handle setting more than one parameter at once.
|
|
*/
|
|
static int
|
|
sasetparams(struct cam_periph *periph, sa_params params_to_set,
|
|
u_int32_t blocksize, u_int8_t density, u_int32_t comp_algorithm)
|
|
{
|
|
struct sa_softc *softc;
|
|
u_int32_t current_blocksize;
|
|
u_int32_t current_comp_algorithm;
|
|
u_int8_t current_density;
|
|
u_int8_t current_speed;
|
|
int comp_enabled, comp_supported;
|
|
void *mode_buffer;
|
|
int mode_buffer_len;
|
|
struct scsi_mode_header_6 *mode_hdr;
|
|
struct scsi_mode_blk_desc *mode_blk;
|
|
struct scsi_data_compression_page *comp_page;
|
|
struct scsi_data_compression_page *current_comp_page;
|
|
int buff_mode;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
/* silence the compiler */
|
|
ccb = NULL;
|
|
|
|
current_comp_page = malloc(sizeof(*current_comp_page),M_TEMP, M_WAITOK);
|
|
|
|
/*
|
|
* Since it doesn't make sense to set the number of blocks, or
|
|
* write protection, we won't try to get the current value. We
|
|
* always want to get the blocksize, so we can set it back to the
|
|
* proper value.
|
|
*/
|
|
error = sagetparams(periph, params_to_set | SA_PARAM_BLOCKSIZE |
|
|
SA_PARAM_SPEED, ¤t_blocksize,
|
|
¤t_density, NULL, &buff_mode, NULL,
|
|
¤t_speed, &comp_supported, &comp_enabled,
|
|
¤t_comp_algorithm, current_comp_page);
|
|
|
|
if (error != 0) {
|
|
free(current_comp_page, M_TEMP);
|
|
return(error);
|
|
}
|
|
|
|
mode_buffer_len = sizeof(*mode_hdr) + sizeof(*mode_blk);
|
|
if (params_to_set & SA_PARAM_COMPRESSION)
|
|
mode_buffer_len += sizeof(struct scsi_data_compression_page);
|
|
|
|
mode_buffer = malloc(mode_buffer_len, M_TEMP, M_WAITOK);
|
|
|
|
bzero(mode_buffer, mode_buffer_len);
|
|
|
|
mode_hdr = (struct scsi_mode_header_6 *)mode_buffer;
|
|
mode_blk = (struct scsi_mode_blk_desc *)&mode_hdr[1];
|
|
|
|
if (params_to_set & SA_PARAM_COMPRESSION) {
|
|
comp_page = (struct scsi_data_compression_page *)&mode_blk[1];
|
|
bcopy(current_comp_page, comp_page, sizeof(*comp_page));
|
|
} else
|
|
comp_page = NULL;
|
|
|
|
/*
|
|
* If the caller wants us to set the blocksize, use the one they
|
|
* pass in. Otherwise, use the blocksize we got back from the
|
|
* mode select above.
|
|
*/
|
|
if (params_to_set & SA_PARAM_BLOCKSIZE)
|
|
scsi_ulto3b(blocksize, mode_blk->blklen);
|
|
else
|
|
scsi_ulto3b(current_blocksize, mode_blk->blklen);
|
|
|
|
/*
|
|
* 0x7f means "same as before"
|
|
*/
|
|
if (params_to_set & SA_PARAM_DENSITY)
|
|
mode_blk->density = density;
|
|
else
|
|
mode_blk->density = 0x7f;
|
|
|
|
/*
|
|
* For mode selects, these two fields must be zero.
|
|
*/
|
|
mode_hdr->data_length = 0;
|
|
mode_hdr->medium_type = 0;
|
|
|
|
/* set the speed to the current value */
|
|
mode_hdr->dev_spec = current_speed;
|
|
|
|
/* set single-initiator buffering mode */
|
|
mode_hdr->dev_spec |= SMH_SA_BUF_MODE_SIBUF;
|
|
|
|
mode_hdr->blk_desc_len = sizeof(struct scsi_mode_blk_desc);
|
|
|
|
/*
|
|
* First, if the user wants us to set the compression algorithm or
|
|
* just turn compression on, check to make sure that this drive
|
|
* supports compression.
|
|
*/
|
|
if ((params_to_set & SA_PARAM_COMPRESSION)
|
|
&& (current_comp_page->dce_and_dcc & SA_DCP_DCC)) {
|
|
|
|
/*
|
|
* If the compression algorithm is 0, disable compression.
|
|
* If the compression algorithm is non-zero, enable
|
|
* compression and set the compression type to the
|
|
* specified compression algorithm, unless the algorithm is
|
|
* MT_COMP_ENABLE. In that case, we look at the
|
|
* compression algorithm that is currently set and if it is
|
|
* non-zero, we leave it as-is. If it is zero, and we have
|
|
* saved a compression algorithm from a time when
|
|
* compression was enabled before, set the compression to
|
|
* the saved value.
|
|
*/
|
|
if (comp_algorithm == 0) {
|
|
/* disable compression */
|
|
comp_page->dce_and_dcc &= ~SA_DCP_DCE;
|
|
} else {
|
|
/* enable compression */
|
|
comp_page->dce_and_dcc |= SA_DCP_DCE;
|
|
|
|
/* enable decompression */
|
|
comp_page->dde_and_red |= SA_DCP_DDE;
|
|
|
|
if (comp_algorithm != MT_COMP_ENABLE) {
|
|
/* set the compression algorithm */
|
|
scsi_ulto4b(comp_algorithm,
|
|
comp_page->comp_algorithm);
|
|
|
|
} else if ((scsi_4btoul(comp_page->comp_algorithm) == 0)
|
|
&& (softc->saved_comp_algorithm != 0)) {
|
|
scsi_ulto4b(softc->saved_comp_algorithm,
|
|
comp_page->comp_algorithm);
|
|
}
|
|
}
|
|
} else if (params_to_set & SA_PARAM_COMPRESSION) {
|
|
/*
|
|
* The drive doesn't support compression, so turn off the
|
|
* set compression bit.
|
|
*/
|
|
params_to_set &= ~SA_PARAM_COMPRESSION;
|
|
|
|
/*
|
|
* Should probably do something other than a printf...like
|
|
* set a flag in the softc saying that this drive doesn't
|
|
* support compression.
|
|
*/
|
|
xpt_print_path(periph->path);
|
|
printf("sasetparams: device does not support compression\n");
|
|
|
|
/*
|
|
* If that was the only thing the user wanted us to set,
|
|
* clean up allocated resources and return with 'operation
|
|
* not supported'.
|
|
*/
|
|
if (params_to_set == SA_PARAM_NONE) {
|
|
free(mode_buffer, M_TEMP);
|
|
return(ENODEV);
|
|
}
|
|
|
|
/*
|
|
* That wasn't the only thing the user wanted us to set.
|
|
* So, decrease the stated mode buffer length by the size
|
|
* of the compression mode page.
|
|
*/
|
|
mode_buffer_len -= sizeof(*comp_page);
|
|
}
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/ 1);
|
|
|
|
scsi_mode_select(&ccb->csio,
|
|
/*retries*/1,
|
|
/*cbfcnp*/ sadone,
|
|
/*tag_action*/ MSG_SIMPLE_Q_TAG,
|
|
/*scsi_page_fmt*/(params_to_set & SA_PARAM_COMPRESSION)?
|
|
TRUE : FALSE,
|
|
/*save_pages*/ FALSE,
|
|
/*param_buf*/ mode_buffer,
|
|
/*param_len*/ mode_buffer_len,
|
|
/*sense_len*/ SSD_FULL_SIZE,
|
|
/*timeout*/ 5000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/ 0,
|
|
/*sense_flags*/ 0, &softc->device_stats);
|
|
|
|
if (error == 0) {
|
|
xpt_release_ccb(ccb);
|
|
} else {
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
/*
|
|
* If we were setting the blocksize, and that failed, we
|
|
* want to set it to its original value. If we weren't
|
|
* setting the blocksize, we don't want to change it.
|
|
*/
|
|
scsi_ulto3b(current_blocksize, mode_blk->blklen);
|
|
|
|
/*
|
|
* 0x7f means "same as before".
|
|
*/
|
|
if (params_to_set & SA_PARAM_DENSITY)
|
|
mode_blk->density = current_density;
|
|
else
|
|
mode_blk->density = 0x7f;
|
|
|
|
if (params_to_set & SA_PARAM_COMPRESSION)
|
|
bcopy(current_comp_page, comp_page,
|
|
sizeof(struct scsi_data_compression_page));
|
|
|
|
/*
|
|
* The retry count is the only CCB field that might have been
|
|
* changed that we care about, so reset it back to 1.
|
|
*/
|
|
ccb->ccb_h.retry_count = 1;
|
|
cam_periph_runccb(ccb, saerror, /*cam_flags*/ 0,
|
|
/*sense_flags*/ 0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
}
|
|
|
|
if (params_to_set & SA_PARAM_COMPRESSION)
|
|
free(current_comp_page, M_TEMP);
|
|
|
|
free(mode_buffer, M_TEMP);
|
|
return(error);
|
|
}
|
|
|
|
static void
|
|
saprevent(struct cam_periph *periph, int action)
|
|
{
|
|
struct sa_softc *softc;
|
|
union ccb *ccb;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
if (((action == PR_ALLOW)
|
|
&& (softc->flags & SA_FLAG_TAPE_LOCKED) == 0)
|
|
|| ((action == PR_PREVENT)
|
|
&& (softc->flags & SA_FLAG_TAPE_LOCKED) != 0)) {
|
|
return;
|
|
}
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_prevent(&ccb->csio,
|
|
/*retries*/0,
|
|
/*cbcfp*/sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
action,
|
|
SSD_FULL_SIZE,
|
|
60000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
|
|
if (error == 0) {
|
|
if (action == PR_ALLOW)
|
|
softc->flags &= ~SA_FLAG_TAPE_LOCKED;
|
|
else
|
|
softc->flags |= SA_FLAG_TAPE_LOCKED;
|
|
}
|
|
|
|
xpt_release_ccb(ccb);
|
|
}
|
|
|
|
static int
|
|
sarewind(struct cam_periph *periph)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_rewind(&ccb->csio,
|
|
/*retries*/1,
|
|
/*cbcfp*/sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/*immediate*/FALSE,
|
|
SSD_FULL_SIZE,
|
|
(SA_REWIND_TIMEOUT) * 60 * 1000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
saspace(struct cam_periph *periph, int count, scsi_space_code code)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_space(&ccb->csio,
|
|
/*retries*/1,
|
|
/*cbcfp*/sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
code, count,
|
|
SSD_FULL_SIZE,
|
|
(SA_SPACE_TIMEOUT) * 60 * 1000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
sawritefilemarks(struct cam_periph *periph, int nmarks, int setmarks)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_write_filemarks(&ccb->csio,
|
|
/*retries*/1,
|
|
/*cbcfp*/sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/*immediate*/FALSE,
|
|
setmarks,
|
|
nmarks,
|
|
SSD_FULL_SIZE,
|
|
60000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
if (error == 0) {
|
|
struct sa_softc *softc;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
softc->filemarks += nmarks;
|
|
}
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
saretension(struct cam_periph *periph)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_load_unload(&ccb->csio,
|
|
/*retries*/ 1,
|
|
/*cbfcnp*/ sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/*immediate*/ FALSE,
|
|
/*eot*/ FALSE,
|
|
/*reten*/ TRUE,
|
|
/*load*/ TRUE,
|
|
SSD_FULL_SIZE,
|
|
60000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return(error);
|
|
}
|
|
|
|
static int
|
|
sareservereleaseunit(struct cam_periph *periph, int reserve)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/ 1);
|
|
|
|
scsi_reserve_release_unit(&ccb->csio,
|
|
/*retries*/ 1,
|
|
/*cbfcnp*/ sadone,
|
|
/*tag_action*/ MSG_SIMPLE_Q_TAG,
|
|
/*third_party*/ FALSE,
|
|
/*third_party_id*/ 0,
|
|
/*sense_len*/ SSD_FULL_SIZE,
|
|
/*timeout*/ 5000,
|
|
reserve);
|
|
|
|
/*
|
|
* We set SF_RETRY_UA, since this is often the first command run
|
|
* when a tape device is opened, and there may be a unit attention
|
|
* condition pending.
|
|
*/
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/SF_RETRY_UA,
|
|
&softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
saloadunload(struct cam_periph *periph, int load)
|
|
{
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/1);
|
|
|
|
scsi_load_unload(&ccb->csio,
|
|
/*retries*/1,
|
|
/*cbfcnp*/sadone,
|
|
MSG_SIMPLE_Q_TAG,
|
|
/*immediate*/FALSE,
|
|
/*eot*/FALSE,
|
|
/*reten*/FALSE,
|
|
load,
|
|
SSD_FULL_SIZE,
|
|
60000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
saerase(struct cam_periph *periph, int longerase)
|
|
{
|
|
|
|
union ccb *ccb;
|
|
struct sa_softc *softc;
|
|
int error;
|
|
|
|
softc = (struct sa_softc *)periph->softc;
|
|
|
|
ccb = cam_periph_getccb(periph, /*priority*/ 1);
|
|
|
|
scsi_erase(&ccb->csio,
|
|
/*retries*/ 1,
|
|
/*cbfcnp*/ sadone,
|
|
/*tag_action*/ MSG_SIMPLE_Q_TAG,
|
|
/*immediate*/ FALSE,
|
|
/*long_erase*/ longerase,
|
|
/*sense_len*/ SSD_FULL_SIZE,
|
|
/*timeout*/ (SA_ERASE_TIMEOUT) * 60 * 1000);
|
|
|
|
error = cam_periph_runccb(ccb, saerror, /*cam_flags*/0,
|
|
/*sense_flags*/0, &softc->device_stats);
|
|
|
|
if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
|
|
cam_release_devq(ccb->ccb_h.path,
|
|
/*relsim_flags*/0,
|
|
/*reduction*/0,
|
|
/*timeout*/0,
|
|
/*getcount_only*/0);
|
|
|
|
xpt_release_ccb(ccb);
|
|
|
|
return (error);
|
|
}
|
|
|
|
#endif /* KERNEL */
|
|
|
|
/*
|
|
* Read tape block limits command.
|
|
*/
|
|
void
|
|
scsi_read_block_limits(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action,
|
|
struct scsi_read_block_limits_data *rlimit_buf,
|
|
u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_read_block_limits *scsi_cmd;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/CAM_DIR_IN,
|
|
tag_action,
|
|
/*data_ptr*/(u_int8_t *)rlimit_buf,
|
|
/*dxfer_len*/sizeof(*rlimit_buf),
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
|
|
scsi_cmd = (struct scsi_read_block_limits *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = READ_BLOCK_LIMITS;
|
|
}
|
|
|
|
void
|
|
scsi_sa_read_write(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int readop, int sli,
|
|
int fixed, u_int32_t length, u_int8_t *data_ptr,
|
|
u_int32_t dxfer_len, u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_sa_rw *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_sa_rw *)&csio->cdb_io.cdb_bytes;
|
|
scsi_cmd->opcode = readop ? SA_READ : SA_WRITE;
|
|
scsi_cmd->sli_fixed = 0;
|
|
if (sli && readop)
|
|
scsi_cmd->sli_fixed |= SAR_SLI;
|
|
if (fixed)
|
|
scsi_cmd->sli_fixed |= SARW_FIXED;
|
|
scsi_ulto3b(length, scsi_cmd->length);
|
|
scsi_cmd->control = 0;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/readop ? CAM_DIR_IN : CAM_DIR_OUT,
|
|
tag_action,
|
|
data_ptr,
|
|
dxfer_len,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_load_unload(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int immediate, int eot,
|
|
int reten, int load, u_int8_t sense_len,
|
|
u_int32_t timeout)
|
|
{
|
|
struct scsi_load_unload *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_load_unload *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = LOAD_UNLOAD;
|
|
if (immediate)
|
|
scsi_cmd->immediate = SLU_IMMED;
|
|
if (eot)
|
|
scsi_cmd->eot_reten_load |= SLU_EOT;
|
|
if (reten)
|
|
scsi_cmd->eot_reten_load |= SLU_RETEN;
|
|
if (load)
|
|
scsi_cmd->eot_reten_load |= SLU_LOAD;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/NULL,
|
|
/*dxfer_len*/0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_rewind(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int immediate, u_int8_t sense_len,
|
|
u_int32_t timeout)
|
|
{
|
|
struct scsi_rewind *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_rewind *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = REWIND;
|
|
if (immediate)
|
|
scsi_cmd->immediate = SREW_IMMED;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/NULL,
|
|
/*dxfer_len*/0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_space(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, scsi_space_code code,
|
|
u_int32_t count, u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_space *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_space *)&csio->cdb_io.cdb_bytes;
|
|
scsi_cmd->opcode = SPACE;
|
|
scsi_cmd->code = code;
|
|
scsi_ulto3b(count, scsi_cmd->count);
|
|
scsi_cmd->control = 0;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/NULL,
|
|
/*dxfer_len*/0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_write_filemarks(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int immediate, int setmark,
|
|
u_int32_t num_marks, u_int8_t sense_len,
|
|
u_int32_t timeout)
|
|
{
|
|
struct scsi_write_filemarks *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_write_filemarks *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
scsi_cmd->opcode = WRITE_FILEMARKS;
|
|
if (immediate)
|
|
scsi_cmd->byte2 |= SWFMRK_IMMED;
|
|
if (setmark)
|
|
scsi_cmd->byte2 |= SWFMRK_WSMK;
|
|
|
|
scsi_ulto3b(num_marks, scsi_cmd->num_marks);
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/NULL,
|
|
/*dxfer_len*/0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
/*
|
|
* The reserve and release unit commands differ only by their opcodes.
|
|
*/
|
|
void
|
|
scsi_reserve_release_unit(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int third_party,
|
|
int third_party_id, u_int8_t sense_len,
|
|
u_int32_t timeout, int reserve)
|
|
{
|
|
struct scsi_reserve_release_unit *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_reserve_release_unit *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
if (reserve)
|
|
scsi_cmd->opcode = RESERVE_UNIT;
|
|
else
|
|
scsi_cmd->opcode = RELEASE_UNIT;
|
|
|
|
if (third_party) {
|
|
scsi_cmd->lun_thirdparty |= SRRU_3RD_PARTY;
|
|
scsi_cmd->lun_thirdparty |=
|
|
((third_party_id << SRRU_3RD_SHAMT) & SRRU_3RD_MASK);
|
|
}
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/ CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/ NULL,
|
|
/*dxfer_len*/ 0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|
|
|
|
void
|
|
scsi_erase(struct ccb_scsiio *csio, u_int32_t retries,
|
|
void (*cbfcnp)(struct cam_periph *, union ccb *),
|
|
u_int8_t tag_action, int immediate, int long_erase,
|
|
u_int8_t sense_len, u_int32_t timeout)
|
|
{
|
|
struct scsi_erase *scsi_cmd;
|
|
|
|
scsi_cmd = (struct scsi_erase *)&csio->cdb_io.cdb_bytes;
|
|
bzero(scsi_cmd, sizeof(*scsi_cmd));
|
|
|
|
scsi_cmd->opcode = ERASE;
|
|
|
|
if (immediate)
|
|
scsi_cmd->lun_imm_long |= SE_IMMED;
|
|
|
|
if (long_erase)
|
|
scsi_cmd->lun_imm_long |= SE_LONG;
|
|
|
|
cam_fill_csio(csio,
|
|
retries,
|
|
cbfcnp,
|
|
/*flags*/ CAM_DIR_NONE,
|
|
tag_action,
|
|
/*data_ptr*/ NULL,
|
|
/*dxfer_len*/ 0,
|
|
sense_len,
|
|
sizeof(*scsi_cmd),
|
|
timeout);
|
|
}
|