9b4c0e34d2
x86-64. Since there's no hardware available yet, this port is only known to run on the Simics simulator for at the moment, and as such uses the PC devices that it simulates for now. It will be developed more (and cleaned up) as the hardware becomes available.
110 lines
4.1 KiB
C
110 lines
4.1 KiB
C
/* $NetBSD: pci_machdep.h,v 1.1 2001/06/19 00:20:12 fvdl Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
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* Copyright (c) 1994 Charles M. Hannum. 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 Charles M. Hannum.
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* 4. 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Machine-specific definitions for PCI autoconfiguration.
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*/
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#define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_ESTABLISH
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/*
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* x86_64-specific PCI structure and type definitions.
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* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
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*
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* Configuration tag; created from a {bus,device,function} triplet by
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* pci_make_tag(), and passed to pci_conf_read() and pci_conf_write().
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* We could instead always pass the {bus,device,function} triplet to
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* the read and write routines, but this would cause extra overhead.
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*
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* Mode 2 is historical and deprecated by the Revision 2.0 specification.
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*/
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union x86_64_pci_tag_u {
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u_int32_t mode1;
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struct {
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u_int16_t port;
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u_int8_t enable;
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u_int8_t forward;
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} mode2;
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};
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extern struct x86_64_bus_dma_tag pci_bus_dma_tag;
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/*
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* Types provided to machine-independent PCI code
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*/
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typedef void *pci_chipset_tag_t;
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typedef union x86_64_pci_tag_u pcitag_t;
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typedef int pci_intr_handle_t;
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/*
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* x86_64-specific PCI variables and functions.
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* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
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*/
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extern int pci_mode;
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int pci_mode_detect(void);
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int pci_bus_flags(void);
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struct pci_attach_args;
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/*
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* Functions provided to machine-independent PCI code.
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*/
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void pci_attach_hook(struct device *, struct device *,
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struct pcibus_attach_args *);
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int pci_bus_maxdevs(pci_chipset_tag_t, int);
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pcitag_t pci_make_tag(pci_chipset_tag_t, int, int, int);
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void pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
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int *, int *, int *);
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pcireg_t pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
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void pci_conf_write(pci_chipset_tag_t, pcitag_t, int,
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pcireg_t);
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int pci_intr_map(struct pci_attach_args *, pci_intr_handle_t *);
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const char *pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t);
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const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
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void *pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
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int, int (*)(void *), void *);
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void pci_intr_disestablish(pci_chipset_tag_t, void *);
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/*
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* ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
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* BY PORTABLE CODE.
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*/
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/*
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* XXXfvdl will need to check if this is still valid once the
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* real hardware is there.
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*/
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/*
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* Section 6.2.4, `Miscellaneous Functions' of the PCI Specification,
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* says that 255 means `unknown' or `no connection' to the interrupt
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* controller on a PC.
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*/
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#define X86_64_PCI_INTERRUPT_LINE_NO_CONNECTION 0xff
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