mirror of
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
797 B
C
42 lines
797 B
C
#ifndef __ASM_PCI_H
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#define __ASM_PCI_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/dma-mapping.h>
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#include <asm/io.h>
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#define PCIBIOS_MIN_IO 0x1000
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#define PCIBIOS_MIN_MEM 0
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/*
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* Set to 1 if the kernel should re-assign all PCI bus numbers
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*/
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#define pcibios_assign_all_busses() \
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(pci_has_flag(PCI_REASSIGN_ALL_BUS))
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/*
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* PCI address space differs from physical memory address space
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*/
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#define PCI_DMA_BUS_IS_PHYS (0)
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extern int isa_dma_bridge_buggy;
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#ifdef CONFIG_PCI
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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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/* no legacy IRQ on arm64 */
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return -ENODEV;
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}
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static inline int pci_proc_domain(struct pci_bus *bus)
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{
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return 1;
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}
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#endif /* CONFIG_PCI */
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#endif /* __KERNEL__ */
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#endif /* __ASM_PCI_H */
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