freebsd-skq/sys/arm64/cavium/thunder_pcie_common.h
zbb 2e10e67b42 Introduce support for internal PCIe for Cavium's ThunderX
This driver supports internal PCIe Root Complex on
Cavium ThunderX Pass 1.1 hardware.

Reviewed by:   andrew, jhb
Obtained from: Semihalf
Sponsored by:  The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D3031
2015-08-08 20:34:55 +00:00

52 lines
2.1 KiB
C

/*-
* Copyright (c) 2015 The FreeBSD Foundation
* 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 _CAVIUM_THUNDER_PCIE_COMMON_H_
#define _CAVIUM_THUNDER_PCIE_COMMON_H_
#define MAX_RANGES_TUPLES 5
#define MIN_RANGES_TUPLES 2
struct pcie_range {
uint64_t pci_base;
uint64_t phys_base;
uint64_t size;
uint64_t flags;
};
uint32_t range_addr_is_pci(struct pcie_range *, uint64_t, uint64_t);
uint32_t range_addr_is_phys(struct pcie_range *, uint64_t, uint64_t);
uint64_t range_addr_pci_to_phys(struct pcie_range *, uint64_t);
int thunder_common_alloc_msi(device_t, device_t, int, int, int *);
int thunder_common_alloc_msix(device_t, device_t, int *);
int thunder_common_map_msi(device_t, device_t, int, uint64_t *, uint32_t *);
int thunder_common_release_msi(device_t, device_t, int, int *);
int thunder_common_release_msix(device_t, device_t, int);
#endif /* _CAVIUM_THUNDER_PCIE_COMMON_H_ */