Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/x86/include/asm/pci.h

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/* SPDX-License-Identifier: GPL-2.0 / #ifndef _ASM_X86_PCI_H #define _ASM_X86_PCI_H #include <linux/mm.h> / for struct page / #include <linux/types.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/scatterlist.h> #include <linux/numa.h> #include <asm/io.h> #include <asm/pat.h> #include <asm/x86_init.h> #ifdef __KERNEL__ struct pci_sysdata { int domain; / PCI domain / int node; / NUMA node / #ifdef CONFIG_ACPI struct acpi_device companion; /* ACPI companion device / #endif #ifdef CONFIG_X86_64 void iommu; /* IOMMU private data / #endif #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN void fwnode; /* IRQ domain for MSI assignment / #endif #if IS_ENABLED(CONFIG_VMD) bool vmd_domain; / True if in Intel VMD domain / #endif }; extern int pci_routeirq; extern int noioapicquirk; extern int noioapicreroute; #ifdef CONFIG_PCI #ifdef CONFIG_PCI_DOMAINS static inline int pci_domain_nr(struct pci_bus bus) { struct pci_sysdata sd = bus->sysdata; return sd->domain; } static inline int pci_proc_domain(struct pci_bus bus) { return pci_domain_nr(bus); } #endif #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN static inline void _pci_root_bus_fwnode(struct pci_bus bus) { struct pci_sysdata sd = bus->sysdata; return sd->fwnode; } #define pci_root_bus_fwnode _pci_root_bus_fwnode #endif static inline bool is_vmd(struct pci_bus bus) { #if IS_ENABLED(CONFIG_VMD) struct pci_sysdata sd = bus->sysdata; return sd->vmd_domain; #else return false; #endif } / 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 / extern unsigned int pcibios_assign_all_busses(void); extern int pci_legacy_init(void); #else static inline int pcibios_assign_all_busses(void) { return 0; } #endif extern unsigned long pci_mem_start; #define PCIBIOS_MIN_IO 0x1000 #define PCIBIOS_MIN_MEM (pci_mem_start) #define PCIBIOS_MIN_CARDBUS_IO 0x4000 extern int pcibios_enabled; void pcibios_scan_root(int bus); struct irq_routing_table pcibios_get_irq_routing_table(void); int pcibios_set_irq_routing(struct pci_dev dev, int pin, int irq); #define HAVE_PCI_MMAP #define arch_can_pci_mmap_wc() pat_enabled() #define ARCH_GENERIC_PCI_MMAP_RESOURCE #ifdef CONFIG_PCI extern void early_quirks(void); #else static inline void early_quirks(void) { } #endif extern void pci_iommu_alloc(void); #ifdef CONFIG_PCI_MSI / implemented in arch/x86/kernel/apic/io_apic. / struct msi_desc; int native_setup_msi_irqs(struct pci_dev dev, int nvec, int type); void native_teardown_msi_irq(unsigned int irq); void native_restore_msi_irqs(struct pci_dev dev); #else #define native_setup_msi_irqs NULL #define native_teardown_msi_irq NULL #endif #endif / __KERNEL__ / #ifdef CONFIG_X86_64 #include <asm/pci_64.h> #endif / generic pci stuff / #include <asm-generic/pci.h> #ifdef CONFIG_NUMA / Returns the node based on pci bus / static inline int __pcibus_to_node(const struct pci_bus bus) { const struct pci_sysdata sd = bus->sysdata; return sd->node; } static inline const struct cpumask cpumask_of_pcibus(const struct pci_bus bus) { int node; node = __pcibus_to_node(bus); return (node == NUMA_NO_NODE) ? cpu_online_mask : cpumask_of_node(node); } #endif struct pci_setup_rom { struct setup_data data; uint16_t vendor; uint16_t devid; uint64_t pcilen; unsigned long segment; unsigned long bus; unsigned long device; unsigned long function; uint8_t romdata[0]; }; #endif / _ASM_X86_PCI_H */

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