4b2af45f4b
Convert the remaining sysctl stuff to the new way of doing things. the devconf stuff is the reason for the large number of files. Cleaned up some compiler warnings while I were there.
169 lines
6.6 KiB
C
169 lines
6.6 KiB
C
/*-
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* Copyright (c) 1991 The Regents of the University of California.
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR 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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* from: @(#)isa_device.h 7.1 (Berkeley) 5/9/91
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* $Id: isa_device.h,v 1.25 1995/11/05 04:45:16 gibbs Exp $
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*/
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#ifndef _I386_ISA_ISA_DEVICE_H_
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#define _I386_ISA_ISA_DEVICE_H_ 1
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/*
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* ISA Bus Autoconfiguration
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*/
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#define IDTVEC(name) __CONCAT(X,name)
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/*
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* Type of the first (asm) part of an interrupt handler.
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*/
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typedef void inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
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/*
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* Usual type of the second (C) part of an interrupt handler. Some bogus
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* ones need the arg to be the interrupt frame (and not a copy of it, which
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* is all that is possible in C).
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*/
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typedef void inthand2_t __P((int unit));
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/*
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* Per device structure.
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*
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* XXX Note: id_conflicts should either become an array of things we're
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* specifically allowed to conflict with or be subsumed into some
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* more powerful mechanism for detecting and dealing with multiple types
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* of non-fatal conflict. -jkh XXX
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*/
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struct isa_device {
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int id_id; /* device id */
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struct isa_driver *id_driver;
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int id_iobase; /* base i/o address */
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u_short id_irq; /* interrupt request */
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short id_drq; /* DMA request */
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caddr_t id_maddr; /* physical i/o memory address on bus (if any)*/
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int id_msize; /* size of i/o memory */
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inthand2_t *id_intr; /* interrupt interface routine */
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int id_unit; /* unit number */
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int id_flags; /* flags */
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int id_scsiid; /* scsi id if needed */
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int id_alive; /* device is present */
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#define RI_FAST 1 /* fast interrupt handler */
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u_int id_ri_flags; /* flags for register_intr() */
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int id_reconfig; /* hot eject device support (such as PCMCIA) */
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int id_enabled; /* is device enabled */
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int id_conflicts; /* we're allowed to conflict with things */
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struct isa_device *id_next; /* used in isa_devlist in userconfig() */
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};
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/*
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* Bits to specify the type and amount of conflict checking.
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*/
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#define CC_ATTACH (1 << 0)
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#define CC_DRQ (1 << 1)
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#define CC_IOADDR (1 << 2)
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#define CC_IRQ (1 << 3)
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#define CC_MEMADDR (1 << 4)
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/*
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* Per-driver structure.
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*
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* Each device driver defines entries for a set of routines
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* as well as an array of types which are acceptable to it.
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* These are used at boot time by the configuration program.
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*/
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struct isa_driver {
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int (*probe) __P((struct isa_device *idp));
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/* test whether device is present */
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int (*attach) __P((struct isa_device *idp));
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/* setup driver for a device */
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char *name; /* device name */
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int sensitive_hw; /* true if other probes confuse us */
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};
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#define ISA_EXTERNALLEN (sizeof(struct isa_device))
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#ifdef KERNEL
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extern char eintrnames[]; /* end of intrnames[] */
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extern u_long intrcnt[]; /* counts for for each device and stray */
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extern char intrnames[]; /* string table containing device names */
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extern u_long *intr_countp[]; /* indirectors into intrcnt[] */
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extern inthand2_t *intr_handler[]; /* C entry points of intr handlers */
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extern u_int intr_mask[]; /* sets of intrs masked during handling of 1 */
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extern int intr_unit[]; /* cookies to pass to intr handlers */
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extern struct isa_device isa_devtab_bio[], isa_devtab_tty[], isa_devtab_net[],
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isa_devtab_null[], isa_biotab_wdc[], isa_biotab_fdc[];
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inthand_t
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IDTVEC(fastintr0), IDTVEC(fastintr1),
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IDTVEC(fastintr2), IDTVEC(fastintr3),
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IDTVEC(fastintr4), IDTVEC(fastintr5),
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IDTVEC(fastintr6), IDTVEC(fastintr7),
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IDTVEC(fastintr8), IDTVEC(fastintr9),
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IDTVEC(fastintr10), IDTVEC(fastintr11),
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IDTVEC(fastintr12), IDTVEC(fastintr13),
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IDTVEC(fastintr14), IDTVEC(fastintr15);
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inthand_t
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IDTVEC(intr0), IDTVEC(intr1), IDTVEC(intr2), IDTVEC(intr3),
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IDTVEC(intr4), IDTVEC(intr5), IDTVEC(intr6), IDTVEC(intr7),
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IDTVEC(intr8), IDTVEC(intr9), IDTVEC(intr10), IDTVEC(intr11),
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IDTVEC(intr12), IDTVEC(intr13), IDTVEC(intr14), IDTVEC(intr15);
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struct isa_device *find_display __P((void));
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struct isa_device *find_isadev __P((struct isa_device *table,
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struct isa_driver *driverp, int unit));
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void isa_configure __P((void));
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int haveseen_isadev __P((struct isa_device *dvp, u_int checkbits));
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void isa_defaultirq __P((void));
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void isa_dmacascade __P((unsigned chan));
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void isa_dmadone __P((int, caddr_t, int, int));
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void isa_dmastart __P((int, caddr_t, unsigned, unsigned));
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int isa_irq_pending __P((struct isa_device *dvp));
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int isa_nmi __P((int cd));
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void reconfig_isadev __P((struct isa_device *isdp, u_int *mp));
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int register_intr __P((int intr, int device_id, u_int flags,
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inthand2_t *handler, u_int *maskptr, int unit));
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int unregister_intr __P((int intr, inthand2_t *handler));
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int update_intr_masks __P((void));
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struct sysctl_req;
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extern int isa_externalize(struct isa_device *, struct sysctl_req *);
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extern int isa_internalize(struct isa_device *, struct sysctl_req *);
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struct kern_devconf;
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extern int isa_generic_externalize(struct kern_devconf *, struct sysctl_req *);
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extern struct kern_devconf kdc_isa0;
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#endif /* KERNEL */
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#endif /* _I386_ISA_ISA_DEVICE_H_ */
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