4 #include <linux/mm.h> /* for struct page */
5 #include <linux/types.h>
6 #include <linux/slab.h>
7 #include <linux/string.h>
8 #include <asm/scatterlist.h>
14 int domain; /* PCI domain */
15 int node; /* NUMA node */
17 void *iommu; /* IOMMU private data */
21 extern int pci_routeirq;
23 /* scan a bus after allocating a pci_sysdata for it */
24 extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,
26 extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
28 static inline int pci_domain_nr(struct pci_bus *bus)
30 struct pci_sysdata *sd = bus->sysdata;
34 static inline int pci_proc_domain(struct pci_bus *bus)
36 return pci_domain_nr(bus);
40 /* Can be used to override the logic in pci_scan_bus for skipping
41 already-configured bus numbers - to be used for buggy BIOSes
42 or architectures with incomplete PCI setup by the loader */
45 extern unsigned int pcibios_assign_all_busses(void);
47 #define pcibios_assign_all_busses() 0
49 #define pcibios_scan_all_fns(a, b) 0
51 extern unsigned long pci_mem_start;
52 #define PCIBIOS_MIN_IO 0x1000
53 #define PCIBIOS_MIN_MEM (pci_mem_start)
55 #define PCIBIOS_MIN_CARDBUS_IO 0x4000
57 void pcibios_config_init(void);
58 struct pci_bus *pcibios_scan_root(int bus);
60 void pcibios_set_master(struct pci_dev *dev);
61 void pcibios_penalize_isa_irq(int irq, int active);
62 struct irq_routing_table *pcibios_get_irq_routing_table(void);
63 int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
67 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
68 enum pci_mmap_state mmap_state,
73 extern void early_quirks(void);
74 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
75 enum pci_dma_burst_strategy *strat,
76 unsigned long *strategy_parameter)
78 *strat = PCI_DMA_BURST_INFINITY;
79 *strategy_parameter = ~0UL;
82 static inline void early_quirks(void) { }
85 #endif /* __KERNEL__ */
93 /* implement the pci_ DMA API in terms of the generic device dma_ one */
94 #include <asm-generic/pci-dma-compat.h>
96 /* generic pci stuff */
97 #include <asm-generic/pci.h>
100 /* Returns the node based on pci bus */
101 static inline int __pcibus_to_node(struct pci_bus *bus)
103 struct pci_sysdata *sd = bus->sysdata;
108 static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
110 return node_to_cpumask(__pcibus_to_node(bus));