0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
197 lines
6.6 KiB
C
197 lines
6.6 KiB
C
/* $NetBSD: pci_machdep_common.h,v 1.21 2015/08/17 06:16:02 knakahara 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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#ifndef _X86_PCI_MACHDEP_COMMON_H_
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#define _X86_PCI_MACHDEP_COMMON_H_
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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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#ifndef XEN
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#define __HAVE_PCIIDE_MACHDEP_COMPAT_INTR_DISESTABLISH
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#endif
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#include <sys/kcpuset.h>
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/*
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* x86-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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*
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* Mode 1 tag:
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* 31 24 16 15 11 10 8
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* +---------------------------------------------------------------+
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* |1| 0 | BUS | DEV |FUNC | 0 |
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* +---------------------------------------------------------------+
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*/
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union x86_pci_tag_u {
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uint32_t mode1;
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struct {
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uint16_t port;
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uint8_t enable;
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uint8_t forward;
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} mode2;
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};
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extern struct x86_bus_dma_tag pci_bus_dma_tag;
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#ifdef _LP64
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extern struct x86_bus_dma_tag pci_bus_dma64_tag;
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#endif
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struct pci_attach_args;
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struct pci_chipset_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 struct pci_chipset_tag *pci_chipset_tag_t;
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typedef union x86_pci_tag_u pcitag_t;
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struct pci_chipset_tag {
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pci_chipset_tag_t pc_super;
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uint64_t pc_present;
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const struct pci_overrides *pc_ov;
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void *pc_ctx;
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};
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/*
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* x86-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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int pci_mode_detect(void);
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void pci_mode_set(int);
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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(device_t, device_t,
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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(const struct pci_attach_args *,
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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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char *, size_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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typedef enum {
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PCI_INTR_TYPE_INTX = 0,
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PCI_INTR_TYPE_MSI,
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PCI_INTR_TYPE_MSIX,
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PCI_INTR_TYPE_SIZE,
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} pci_intr_type_t;
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pci_intr_type_t pci_intr_type(pci_intr_handle_t);
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/*
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* If device drivers use MSI/MSI-X, they should use these API for INTx
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* instead of pci_intr_map(), because of conforming the pci_intr_handle
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* ownership to MSI/MSI-X.
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*/
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int pci_intx_alloc(const struct pci_attach_args *,
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pci_intr_handle_t **);
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/*
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* Wrapper function for generally unitied allocation to fallback MSI-X/MSI/INTx
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* automatically.
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*/
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int pci_intr_alloc(const struct pci_attach_args *,
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pci_intr_handle_t **, int *, pci_intr_type_t);
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/* experimental MSI support */
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int pci_msi_alloc(const struct pci_attach_args *,
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pci_intr_handle_t **, int *);
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int pci_msi_alloc_exact(const struct pci_attach_args *,
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pci_intr_handle_t **, int);
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/* experimental MSI-X support */
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int pci_msix_alloc(const struct pci_attach_args *,
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pci_intr_handle_t **, int *);
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int pci_msix_alloc_exact(const struct pci_attach_args *,
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pci_intr_handle_t **, int);
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int pci_msix_alloc_map(const struct pci_attach_args *,
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pci_intr_handle_t **, u_int *, int);
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void pci_intr_release(pci_chipset_tag_t, pci_intr_handle_t *,
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int);
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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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/* Extract Bus Number for a host bridge or -1 if unknown. */
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int pchb_get_bus_number(pci_chipset_tag_t, pcitag_t);
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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_PCI_INTERRUPT_LINE_NO_CONNECTION 0xff
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void pci_device_foreach(pci_chipset_tag_t, int,
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void (*)(pci_chipset_tag_t, pcitag_t, void*),
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void *);
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void pci_device_foreach_min(pci_chipset_tag_t, int, int,
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void (*)(pci_chipset_tag_t, pcitag_t, void*),
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void *);
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void pci_bridge_foreach(pci_chipset_tag_t, int, int,
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void (*) (pci_chipset_tag_t, pcitag_t, void *), void *);
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void pci_ranges_infer(pci_chipset_tag_t, int, int, bus_addr_t *,
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bus_size_t *, bus_addr_t *, bus_size_t *);
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extern prop_dictionary_t pci_rsrc_dict;
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prop_dictionary_t pci_rsrc_filter(prop_dictionary_t,
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bool (*)(void *, prop_dictionary_t), void *arg);
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#endif /* _X86_PCI_MACHDEP_COMMON_H_ */
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