97 lines
1.8 KiB
C
97 lines
1.8 KiB
C
/*
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* Driver for a device we can't identify.
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* by Julian Elischer (julian@tfs.com)
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*
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* $Id: uk.c,v 1.18 1997/08/02 14:33:16 bde Exp $
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*
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* If you find that you are adding any code to this file look closely
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* at putting it in "scsi_driver.c" instead.
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*/
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#include <opt_devfs.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/kernel.h>
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#ifdef DEVFS
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#include <sys/devfsext.h>
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#endif /*DEVFS*/
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#include <scsi/scsiconf.h>
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#include <scsi/scsi_driver.h>
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struct scsi_data {
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#ifdef DEVFS
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void *devfs_data_tok;
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#endif
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};
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static d_open_t ukopen;
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static d_close_t ukclose;
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static d_ioctl_t ukioctl;
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#define CDEV_MAJOR 31
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static struct cdevsw uk_cdevsw =
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{ ukopen, ukclose, noread, nowrite, /*31*/
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ukioctl, nostop, nullreset, nodevtotty,/* unknown */
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seltrue, nommap, NULL, "uk" ,NULL, -1 };
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SCSI_DEVICE_ENTRIES(uk)
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struct scsi_device uk_switch =
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{
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NULL,
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NULL,
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NULL,
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NULL,
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"uk",
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0,
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{0, 0},
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SDEV_ONCE_ONLY|SDEV_UK, /* Only one open allowed */
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ukattach,
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"Unknown",
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ukopen,
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sizeof(struct scsi_data),
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T_UNKNOWN,
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0,
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0,
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0,
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0,
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0,
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0,
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};
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static uk_devsw_installed = 0;
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static errval
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ukattach(struct scsi_link *sc_link)
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{
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#ifdef DEVFS
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struct scsi_data *uk = sc_link->sd;
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uk->devfs_data_tok = devfs_add_devswf(&uk_cdevsw,
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sc_link->dev_unit,
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DV_CHR,
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UID_ROOT, GID_WHEEL, 0600,
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"uk%d", sc_link->dev_unit);
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#endif
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return 0;
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}
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static void uk_drvinit(void *unused)
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{
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dev_t dev;
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if( ! uk_devsw_installed ) {
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dev = makedev(CDEV_MAJOR, 0);
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cdevsw_add(&dev,&uk_cdevsw, NULL);
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uk_devsw_installed = 1;
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}
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}
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SYSINIT(ukdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,uk_drvinit,NULL)
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