Contributors: 19
Author Tokens Token Proportion Commits Commit Proportion
Linus Torvalds (pre-git) 35 15.42% 2 8.33%
Jesse Barnes 31 13.66% 1 4.17%
Alex Williamson 27 11.89% 1 4.17%
Bartlomiej Zolnierkiewicz 25 11.01% 1 4.17%
David Howells 25 11.01% 1 4.17%
Matthew Wilcox 23 10.13% 3 12.50%
Fenghua Yu 11 4.85% 1 4.17%
Patrick Gefre 9 3.96% 2 8.33%
Yanmin Zhang 9 3.96% 1 4.17%
David Woodhouse 8 3.52% 2 8.33%
David Mosberger-Tang 6 2.64% 1 4.17%
Linus Torvalds 4 1.76% 1 4.17%
Christoph Lameter 3 1.32% 1 4.17%
Rafael J. Wysocki 3 1.32% 1 4.17%
Benjamin Herrenschmidt 3 1.32% 1 4.17%
Christoph Hellwig 2 0.88% 1 4.17%
Björn Helgaas 1 0.44% 1 4.17%
Greg Kroah-Hartman 1 0.44% 1 4.17%
Suresh B. Siddha 1 0.44% 1 4.17%
Total 227 24 


/* 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);
}

#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);
}

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