76 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _ASM_IA64_PCI_H
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| #define _ASM_IA64_PCI_H
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| 
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| #include <linux/mm.h>
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| #include <linux/slab.h>
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| #include <linux/spinlock.h>
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| #include <linux/string.h>
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| #include <linux/types.h>
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| #include <linux/scatterlist.h>
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| 
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| #include <asm/io.h>
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| #include <asm/hw_irq.h>
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| 
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| struct pci_vector_struct {
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| 	__u16 segment;	/* PCI Segment number */
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| 	__u16 bus;	/* PCI Bus number */
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| 	__u32 pci_id;	/* ACPI split 16 bits device, 16 bits function (see section 6.1.1) */
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| 	__u8 pin;	/* PCI PIN (0 = A, 1 = B, 2 = C, 3 = D) */
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| 	__u32 irq;	/* IRQ assigned */
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| };
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| 
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| /*
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|  * Can be used to override the logic in pci_scan_bus for skipping already-configured bus
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|  * numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the
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|  * loader.
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|  */
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| #define pcibios_assign_all_busses()     0
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| 
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| #define PCIBIOS_MIN_IO		0x1000
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| #define PCIBIOS_MIN_MEM		0x10000000
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| 
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| #define HAVE_PCI_MMAP
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| #define ARCH_GENERIC_PCI_MMAP_RESOURCE
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| #define arch_can_pci_mmap_wc()	1
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| 
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| #define HAVE_PCI_LEGACY
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| extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
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| 				      struct vm_area_struct *vma,
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| 				      enum pci_mmap_state mmap_state);
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| 
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| #define pci_get_legacy_mem platform_pci_get_legacy_mem
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| #define pci_legacy_read platform_pci_legacy_read
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| #define pci_legacy_write platform_pci_legacy_write
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| 
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| struct pci_controller {
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| 	struct acpi_device *companion;
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| 	void *iommu;
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| 	int segment;
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| 	int node;		/* nearest node with memory or NUMA_NO_NODE for global allocation */
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| 
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| 	void *platform_data;
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| };
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| 
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| 
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| #define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
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| #define pci_domain_nr(busdev)    (PCI_CONTROLLER(busdev)->segment)
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| 
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| extern struct pci_ops pci_root_ops;
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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 (pci_domain_nr(bus) != 0);
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| }
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| 
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| #define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
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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 ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
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| }
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| 
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| #ifdef CONFIG_INTEL_IOMMU
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| extern void pci_iommu_alloc(void);
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| #endif
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| #endif /* _ASM_IA64_PCI_H */
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