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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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bc4b024a8b
For a long time all architectures implement the pci_dma_* functions using the generic DMA API, and they all use the same header to do so. Move this header, pci-dma-compat.h, to include/linux and include it from the generic pci.h instead of having each arch duplicate this include. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
#ifndef ASMARM_PCI_H
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#define ASMARM_PCI_H
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#ifdef __KERNEL__
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#include <asm/mach/pci.h> /* for pci_sys_data */
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extern unsigned long pcibios_min_io;
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#define PCIBIOS_MIN_IO pcibios_min_io
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extern unsigned long pcibios_min_mem;
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#define PCIBIOS_MIN_MEM pcibios_min_mem
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static inline int pcibios_assign_all_busses(void)
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{
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return pci_has_flag(PCI_REASSIGN_ALL_RSRC);
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}
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#ifdef CONFIG_PCI_DOMAINS
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return pci_domain_nr(bus);
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}
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#endif /* CONFIG_PCI_DOMAINS */
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/*
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* The PCI address space does equal the physical memory address space.
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* The networking and block device layers use this boolean for bounce
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* buffer decisions.
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*/
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#define PCI_DMA_BUS_IS_PHYS (1)
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#define HAVE_PCI_MMAP
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extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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enum pci_mmap_state mmap_state, int write_combine);
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static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
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{
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return channel ? 15 : 14;
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}
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#endif /* __KERNEL__ */
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#endif
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