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/* 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

/*
 * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct
 * correspondence between device bus addresses and CPU physical addresses.
 * Platforms with a hardware I/O MMU _must_ turn this off to suppress the
 * bounce buffer handling code in the block and network device layers.
 * Platforms with separate bus address spaces _must_ turn this off and provide
 * a device DMA mapping implementation that takes care of the necessary
 * address translation.
 *
 * For now, the ia64 platforms which may have separate/multiple bus address
 * spaces all have I/O MMUs which support the merging of physically
 * discontiguous buffers, so we can use that as the sole factor to determine
 * the setting of PCI_DMA_BUS_IS_PHYS.
 */
extern unsigned long ia64_max_iommu_merge_mask;
#define PCI_DMA_BUS_IS_PHYS	(ia64_max_iommu_merge_mask == ~0UL)

#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 */

Filemanager

Name Type Size Permission Actions
native Folder 0755
sn Folder 0755
uv Folder 0755
Kbuild File 224 B 0644
acenv.h File 1.27 KB 0644
acpi-ext.h File 590 B 0644
acpi.h File 4.1 KB 0644
agp.h File 857 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 890 B 0644
asmmacro.h File 3.29 KB 0644
atomic.h File 9.47 KB 0644
barrier.h File 2.36 KB 0644
bitops.h File 10.84 KB 0644
bug.h File 404 B 0644
bugs.h File 436 B 0644
cache.h File 771 B 0644
cacheflush.h File 1.71 KB 0644
checksum.h File 2.1 KB 0644
clocksource.h File 276 B 0644
cpu.h File 456 B 0644
cputime.h File 855 B 0644
current.h File 418 B 0644
cyclone.h File 442 B 0644
delay.h File 1.7 KB 0644
device.h File 323 B 0644
div64.h File 31 B 0644
dma-mapping.h File 1.17 KB 0644
dma.h File 466 B 0644
dmi.h File 343 B 0644
early_ioremap.h File 428 B 0644
elf.h File 9.83 KB 0644
emergency-restart.h File 149 B 0644
esi.h File 887 B 0644
exception.h File 1.13 KB 0644
export.h File 115 B 0644
extable.h File 330 B 0644
fb.h File 569 B 0644
fpswa.h File 1.88 KB 0644
ftrace.h File 748 B 0644
futex.h File 2.56 KB 0644
gcc_intrin.h File 368 B 0644
hardirq.h File 564 B 0644
hpsim.h File 364 B 0644
hugetlb.h File 1.67 KB 0644
hw_irq.h File 6.33 KB 0644
idle.h File 200 B 0644
intrinsics.h File 306 B 0644
io.h File 11.77 KB 0644
iommu.h File 555 B 0644
iommu_table.h File 175 B 0644
iosapic.h File 3.16 KB 0644
irq.h File 1.02 KB 0644
irq_regs.h File 34 B 0644
irq_remapping.h File 142 B 0644
irqflags.h File 2.11 KB 0644
kdebug.h File 1.64 KB 0644
kexec.h File 1.57 KB 0644
kmap_types.h File 260 B 0644
kprobes.h File 3.82 KB 0644
kregs.h File 6.73 KB 0644
libata-portmap.h File 225 B 0644
linkage.h File 398 B 0644
local.h File 31 B 0644
local64.h File 33 B 0644
machvec.h File 12.1 KB 0644
machvec_dig.h File 449 B 0644
machvec_dig_vtd.h File 558 B 0644
machvec_hpsim.h File 544 B 0644
machvec_hpzx1.h File 544 B 0644
machvec_hpzx1_swiotlb.h File 632 B 0644
machvec_init.h File 1.33 KB 0644
machvec_sn2.h File 4.71 KB 0644
machvec_uv.h File 684 B 0644
mca.h File 5.91 KB 0644
mca_asm.h File 7.18 KB 0644
meminit.h File 2.24 KB 0644
mman.h File 432 B 0644
mmu.h File 374 B 0644
mmu_context.h File 5.29 KB 0644
mmzone.h File 1.1 KB 0644
module.h File 1.1 KB 0644
msidef.h File 1.4 KB 0644
nodedata.h File 1.85 KB 0644
numa.h File 2.18 KB 0644
page.h File 6.49 KB 0644
pal.h File 53.39 KB 0644
param.h File 439 B 0644
parport.h File 534 B 0644
patch.h File 1.19 KB 0644
pci.h File 2.83 KB 0644
percpu.h File 1.32 KB 0644
perfmon.h File 4.33 KB 0644
pgalloc.h File 2.84 KB 0644
pgtable.h File 20.92 KB 0644
processor.h File 17.98 KB 0644
ptrace.h File 5.2 KB 0644
rwsem.h File 3.82 KB 0644
sal.h File 26.51 KB 0644
sections.h File 1.35 KB 0644
segment.h File 162 B 0644
serial.h File 446 B 0644
shmparam.h File 445 B 0644
signal.h File 749 B 0644
smp.h File 3.21 KB 0644
sparsemem.h File 621 B 0644
spinlock.h File 6.92 KB 0644
spinlock_types.h File 475 B 0644
string.h File 659 B 0644
swiotlb.h File 344 B 0644
switch_to.h File 2.89 KB 0644
syscall.h File 2.06 KB 0644
termios.h File 1.88 KB 0644
thread_info.h File 4.66 KB 0644
timex.h File 1.47 KB 0644
tlb.h File 8.42 KB 0644
tlbflush.h File 2.33 KB 0644
topology.h File 1.58 KB 0644
types.h File 828 B 0644
uaccess.h File 9.86 KB 0644
unaligned.h File 337 B 0644
uncached.h File 463 B 0644
unistd.h File 1.45 KB 0644
unwind.h File 5.74 KB 0644
user.h File 2.25 KB 0644
ustack.h File 403 B 0644
vga.h File 657 B 0644
xor.h File 1.12 KB 0644