arch/riscv/include/asm/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)
  19 static 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 */