Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/jk/spufs into...
[deliverable/linux.git] / arch / x86 / include / asm / pci.h
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1#ifndef _ASM_X86_PCI_H
2#define _ASM_X86_PCI_H
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3
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>
9#include <asm/io.h>
10
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11#ifdef __KERNEL__
12
13struct pci_sysdata {
14 int domain; /* PCI domain */
15 int node; /* NUMA node */
16#ifdef CONFIG_X86_64
69bdb7bc 17 void *iommu; /* IOMMU private data */
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18#endif
19};
20
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21extern int pci_routeirq;
22
f3e6f164 23/* scan a bus after allocating a pci_sysdata for it */
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24extern struct pci_bus *pci_scan_bus_on_node(int busno, struct pci_ops *ops,
25 int node);
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26extern struct pci_bus *pci_scan_bus_with_sysdata(int busno);
27
28static inline int pci_domain_nr(struct pci_bus *bus)
29{
30 struct pci_sysdata *sd = bus->sysdata;
31 return sd->domain;
32}
33
34static inline int pci_proc_domain(struct pci_bus *bus)
35{
36 return pci_domain_nr(bus);
37}
38
39
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 */
43
44#ifdef CONFIG_PCI
45extern unsigned int pcibios_assign_all_busses(void);
46#else
47#define pcibios_assign_all_busses() 0
48#endif
49#define pcibios_scan_all_fns(a, b) 0
50
51extern unsigned long pci_mem_start;
52#define PCIBIOS_MIN_IO 0x1000
53#define PCIBIOS_MIN_MEM (pci_mem_start)
54
55#define PCIBIOS_MIN_CARDBUS_IO 0x4000
56
57void pcibios_config_init(void);
69bdb7bc 58struct pci_bus *pcibios_scan_root(int bus);
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59
60void pcibios_set_master(struct pci_dev *dev);
61void pcibios_penalize_isa_irq(int irq, int active);
62struct irq_routing_table *pcibios_get_irq_routing_table(void);
63int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
64
65
66#define HAVE_PCI_MMAP
67extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
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68 enum pci_mmap_state mmap_state,
69 int write_combine);
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70
71
72#ifdef CONFIG_PCI
376ff035 73extern void early_quirks(void);
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74static inline void pci_dma_burst_advice(struct pci_dev *pdev,
75 enum pci_dma_burst_strategy *strat,
76 unsigned long *strategy_parameter)
77{
78 *strat = PCI_DMA_BURST_INFINITY;
79 *strategy_parameter = ~0UL;
80}
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81#else
82static inline void early_quirks(void) { }
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83#endif
84
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85#endif /* __KERNEL__ */
86
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87#ifdef CONFIG_X86_32
88# include "pci_32.h"
89#else
90# include "pci_64.h"
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91#endif
92
93/* implement the pci_ DMA API in terms of the generic device dma_ one */
94#include <asm-generic/pci-dma-compat.h>
95
96/* generic pci stuff */
97#include <asm-generic/pci.h>
98
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99#ifdef CONFIG_NUMA
100/* Returns the node based on pci bus */
101static inline int __pcibus_to_node(struct pci_bus *bus)
102{
103 struct pci_sysdata *sd = bus->sysdata;
104
105 return sd->node;
106}
f3e6f164 107
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108static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
109{
110 return node_to_cpumask(__pcibus_to_node(bus));
111}
112#endif
f3e6f164 113
1965aae3 114#endif /* _ASM_X86_PCI_H */
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