1PCI_BUS_ALLOC_RESOUR(9)       Hardware Interfaces      PCI_BUS_ALLOC_RESOUR(9)
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NAME

6       pci_bus_alloc_resource - allocate a resource from a parent bus
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SYNOPSIS

9       int pci_bus_alloc_resource(struct pci_bus * bus, struct resource * res,
10                                  resource_size_t size, resource_size_t align,
11                                  resource_size_t min,
12                                  unsigned long type_mask,
13                                  resource_size_t (*alignf) (void *, const struct resource *, resource_size_t, resource_size_t),
14                                  void * alignf_data);
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ARGUMENTS

17       bus
18           PCI bus
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20       res
21           resource to allocate
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23       size
24           size of resource to allocate
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26       align
27           alignment of resource to allocate
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29       min
30           minimum /proc/iomem address to allocate
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32       type_mask
33           IORESOURCE_* type flags
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35       alignf
36           resource alignment function
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38       alignf_data
39           data argument for resource alignment function
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DESCRIPTION

42       Given the PCI bus a device resides on, the size, minimum address,
43       alignment and type, try to find an acceptable resource allocation for a
44       specific device resource.
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47Kernel Hackers Manual 3.10         June 2019           PCI_BUS_ALLOC_RESOUR(9)
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