cregit-Linux how code gets into the kernel

Release 4.18 arch/ia64/include/asm/pci.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_PCI_H

#define _ASM_IA64_PCI_H

#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/types.h>
#include <linux/scatterlist.h>

#include <asm/io.h>
#include <asm/hw_irq.h>


struct pci_vector_struct {
	
__u16 segment;	/* PCI Segment number */
	
__u16 bus;	/* PCI Bus number */
	
__u32 pci_id;	/* ACPI split 16 bits device, 16 bits function (see section 6.1.1) */
	
__u8 pin;	/* PCI PIN (0 = A, 1 = B, 2 = C, 3 = D) */
	
__u32 irq;	/* IRQ assigned */
};

/*
 * Can be used to override the logic in pci_scan_bus for skipping already-configured bus
 * numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the
 * loader.
 */

#define pcibios_assign_all_busses()     0


#define PCIBIOS_MIN_IO		0x1000

#define PCIBIOS_MIN_MEM		0x10000000


#define HAVE_PCI_MMAP

#define ARCH_GENERIC_PCI_MMAP_RESOURCE

#define arch_can_pci_mmap_wc()	1


#define HAVE_PCI_LEGACY
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
				      struct vm_area_struct *vma,
				      enum pci_mmap_state mmap_state);


#define pci_get_legacy_mem platform_pci_get_legacy_mem

#define pci_legacy_read platform_pci_legacy_read

#define pci_legacy_write platform_pci_legacy_write


struct pci_controller {
	
struct acpi_device *companion;
	
void *iommu;
	
int segment;
	
int node;		/* nearest node with memory or NUMA_NO_NODE for global allocation */

	
void *platform_data;
};



#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)

#define pci_domain_nr(busdev)    (PCI_CONTROLLER(busdev)->segment)

extern struct pci_ops pci_root_ops;


static inline int pci_proc_domain(struct pci_bus *bus) { return (pci_domain_nr(bus) != 0); }

Contributors

PersonTokensPropCommitsCommitProp
Matthew Wilcox22100.00%2100.00%
Total22100.00%2100.00%

#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14); }

Contributors

PersonTokensPropCommitsCommitProp
Bartlomiej Zolnierkiewicz2278.57%150.00%
Yanmin Zhang621.43%150.00%
Total28100.00%2100.00%

#ifdef CONFIG_INTEL_IOMMU extern void pci_iommu_alloc(void); #endif #endif /* _ASM_IA64_PCI_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Linus Torvalds (pre-git)3515.42%28.33%
Jesse Barnes3113.66%14.17%
Alex Williamson2711.89%14.17%
Bartlomiej Zolnierkiewicz2511.01%14.17%
David Howells2511.01%14.17%
Matthew Wilcox2310.13%312.50%
Fenghua Yu114.85%14.17%
Yanmin Zhang93.96%14.17%
Patrick Gefre93.96%28.33%
David Woodhouse83.52%28.33%
David Mosberger-Tang62.64%14.17%
Linus Torvalds41.76%14.17%
Rafael J. Wysocki31.32%14.17%
Christoph Lameter31.32%14.17%
Benjamin Herrenschmidt31.32%14.17%
Christoph Hellwig20.88%14.17%
Björn Helgaas10.44%14.17%
Suresh B. Siddha10.44%14.17%
Greg Kroah-Hartman10.44%14.17%
Total227100.00%24100.00%
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