From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/ia64/include/asm/pci.h | 66 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 arch/ia64/include/asm/pci.h (limited to 'arch/ia64/include/asm/pci.h') diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h new file mode 100644 index 000000000..fa8f545c2 --- /dev/null +++ b/arch/ia64/include/asm/pci.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_IA64_PCI_H +#define _ASM_IA64_PCI_H + +#include +#include +#include +#include +#include +#include + +#include +#include + +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); + +char *pci_get_legacy_mem(struct pci_bus *bus); +int pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size); +int pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size); + +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); +} + +#endif /* _ASM_IA64_PCI_H */ -- cgit v1.2.3