freebsd-dev/sys/alpha/include/md_var.h
Andrew Gallatin 49c0f52e11 Support bounce buffers for ISA DMA on the alpha. This is required for the
irongate chipset (used in the UP1000) which does not support scatter/gather
DMA.  We'll still use scatter gather if the core logic chipset supports it.

Reviewed by: dfr
2000-06-19 18:41:27 +00:00

77 lines
2.8 KiB
C

/*-
* Copyright (c) 1998 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_MD_VAR_H_
#define _MACHINE_MD_VAR_H_
/*
* Miscellaneous machine-dependent declarations.
*/
extern char sigcode[];
extern char esigcode[];
extern int szsigcode;
extern int Maxmem;
extern int busdma_swi_pending;
extern void (*netisrs[32]) __P((void));
struct fpreg;
struct proc;
struct reg;
struct cam_sim;
struct pcicfg;
void busdma_swi __P((void));
void cpu_halt __P((void));
void cpu_reset __P((void));
int is_physical_memory __P((vm_offset_t addr));
void swi_vm __P((void));
int vm_page_zero_idle __P((void));
int fill_regs __P((struct proc *, struct reg *));
int set_regs __P((struct proc *, struct reg *));
int fill_fpregs __P((struct proc *, struct fpreg *));
int set_fpregs __P((struct proc *, struct fpreg *));
void alpha_register_pci_scsi __P((int bus, int slot, struct cam_sim *sim));
#ifdef _SYS_BUS_H_
struct resource *alpha_platform_alloc_ide_intr(int chan);
int alpha_platform_release_ide_intr(int chan, struct resource *res);
int alpha_platform_setup_ide_intr(struct resource *res,
driver_intr_t *fn, void *arg,
void **cookiep);
int alpha_platform_teardown_ide_intr(struct resource *res, void *cookie);
int alpha_platform_pci_setup_intr(device_t dev, device_t child,
struct resource *irq, int flags,
driver_intr_t *intr, void *arg,
void **cookiep);
int alpha_platform_pci_teardown_intr(device_t dev, device_t child,
struct resource *irq, void *cookie);
#endif
void alpha_platform_assign_pciintr(struct pcicfg *cfg);
#endif /* !_MACHINE_MD_VAR_H_ */