freebsd-skq/sys/dev/pci/pci_host_generic.h
Andrew Turner 2760c2cad4 Mark the ThunderX and generic PCI drivers as cache-coherent when we know
this to be the case. This will mean we don't try and handle the cache in
bus_dmamap_sync when it is not needed.

Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D6605
2016-05-31 09:15:21 +00:00

77 lines
2.4 KiB
C

/*
* Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com>
* Copyright (c) 2015 The FreeBSD Foundation
* All rights reserved.
*
* This software was developed by Semihalf.
*
* 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 __PCI_HOST_GENERIC_H_
#define __PCI_HOST_GENERIC_H_
#define MAX_RANGES_TUPLES 16
#define MIN_RANGES_TUPLES 2
struct pcie_range {
uint64_t pci_base;
uint64_t phys_base;
uint64_t size;
uint64_t flags;
#define FLAG_IO (1 << 0)
#define FLAG_MEM (1 << 1)
};
struct generic_pcie_softc {
struct pcie_range ranges[MAX_RANGES_TUPLES];
int nranges;
int coherent;
struct rman mem_rman;
struct rman io_rman;
struct resource *res;
struct resource *res1;
int ecam;
bus_space_tag_t bst;
bus_space_handle_t bsh;
device_t dev;
bus_space_handle_t ioh;
bus_dma_tag_t dmat;
#ifdef FDT
struct ofw_bus_iinfo pci_iinfo;
#endif
};
extern devclass_t generic_pcie_devclass;
DECLARE_CLASS(generic_pcie_driver);
struct resource *pci_host_generic_alloc_resource(device_t,
device_t, int, int *, rman_res_t, rman_res_t, rman_res_t, u_int);
int pci_host_generic_attach(device_t);
int generic_pcie_get_id(device_t, device_t, enum pci_id_type, uintptr_t *);
#endif /* __PCI_HOST_GENERIC_H_ */