cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pci.h (1062B)

      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		0
     16#define PCIBIOS_MIN_MEM		0
     17
     18/* RISC-V shim does not initialize PCI bus */
     19#define pcibios_assign_all_busses() 1
     20
     21#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
     22
     23extern int isa_dma_bridge_buggy;
     24
     25#ifdef CONFIG_PCI
     26static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
     27{
     28	/* no legacy IRQ on risc-v */
     29	return -ENODEV;
     30}
     31
     32static inline int pci_proc_domain(struct pci_bus *bus)
     33{
     34	/* always show the domain in /proc */
     35	return 1;
     36}
     37
     38#ifdef	CONFIG_NUMA
     39
     40static inline int pcibus_to_node(struct pci_bus *bus)
     41{
     42	return dev_to_node(&bus->dev);
     43}
     44#ifndef cpumask_of_pcibus
     45#define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ?		\
     46				 cpu_all_mask :				\
     47				 cpumask_of_node(pcibus_to_node(bus)))
     48#endif
     49#endif	/* CONFIG_NUMA */
     50
     51#endif  /* CONFIG_PCI */
     52
     53#endif  /* _ASM_RISCV_PCI_H */