pci.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2016 SiFive
 4 */
 5
 6#ifndef _ASM_RISCV_PCI_H
 7#define _ASM_RISCV_PCI_H
 8
 9#include <linux/types.h>
10#include <linux/slab.h>
11#include <linux/dma-mapping.h>
12
13#include <asm/io.h>
14
15#define PCIBIOS_MIN_IO		4
16#define PCIBIOS_MIN_MEM		16
17
18#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
19static inline int pcibus_to_node(struct pci_bus *bus)
20{
21	return dev_to_node(&bus->dev);
22}
23#ifndef cpumask_of_pcibus
24#define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
25				 cpu_all_mask :				\
26				 cpumask_of_node(pcibus_to_node(bus)))
27#endif
28#endif /* defined(CONFIG_PCI) && defined(CONFIG_NUMA) */
29
30/* Generic PCI */
31#include <asm-generic/pci.h>
32
33#endif  /* _ASM_RISCV_PCI_H */