Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add the open/close/ioctl entry points for the SCSI bus, i.e. /dev/scsibusN.

This commit is contained in:
thorpej 1998-10-10 01:14:26 +00:00
parent 0a588fad00
commit e3fb94a7b4
1 changed files with 67 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
sys/dev/scsipi/scsiconf.c
View File

@ -1,11 +1,12 @@
/* $NetBSD: scsiconf.c,v 1.110 1998/10/08 20:24:10 thorpej Exp $ */
/* $NetBSD: scsiconf.c,v 1.111 1998/10/10 01:14:26 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
* by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace
* Simulation Facility, NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -58,6 +59,7 @@
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
@ -105,6 +107,7 @@ extern struct cfdriver scsibus_cd;
int scsibusprint __P((void *, const char *));
cdev_decl(scsibus);
int
scsiprint(aux, pnp)
@ -716,3 +719,65 @@ bad:
free(sc_link, M_DEVBUF);
return;
}
/****** Entry points for user control of the SCSI bus. ******/
int
scsibusopen(dev, flag, fmt, p)
dev_t dev;
int flag, fmt;
struct proc *p;
{
struct scsibus_softc *sc;
struct scsipi_link *sc_link;
int unit = minor(dev);
if (unit >= scsibus_cd.cd_ndevs ||
(sc = scsibus_cd.cd_devs[unit]) == NULL)
return (ENXIO);
sc_link = sc->adapter_link;
if (sc_link->flags & SDEV_OPEN)
return (EBUSY);
sc_link->flags |= SDEV_OPEN;
return (0);
}
int
scsibusclose(dev, flag, fmt, p)
dev_t dev;
int flag, fmt;
struct proc *p;
{
struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
struct scsipi_link *sc_link = sc->adapter_link;
sc_link->flags &= ~SDEV_OPEN;
return (0);
}
int
scsibusioctl(dev, cmd, addr, flag, p)
dev_t dev;
u_long cmd;
caddr_t addr;
int flag;
struct proc *p;
{
#if 0
struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
struct scsipi_link *sc_link = sc->adapter_link;
#endif
int error;
switch (cmd) {
default:
error = ENOTTY;
}
return (error);
}