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x86/PCI: MMCONFIG: manage pci_mmcfg_region as a list, not a table

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This changes pci_mmcfg_region from a table to a list, to make it easier
to add and remove MMCONFIG regions for PCI host bridge hotplug.

Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Bjorn Helgaas
2009-11-13 17:34:49 -07:00
committed by Jesse Barnes
parent 987c367b4e
commit ff097ddd4a
4 changed files with 47 additions and 81 deletions
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4
arch/x86/include/asm/pci_x86.h
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@@ -122,6 +122,7 @@ extern int __init pcibios_init(void);
#define PCI_MMCFG_RESOURCE_NAME_LEN (22 + 4 + 2 + 2)
struct pci_mmcfg_region {
struct list_head list;
struct resource res;
u64 address;
char __iomem *virt;
@@ -134,8 +135,7 @@ struct pci_mmcfg_region {
extern int __init pci_mmcfg_arch_init(void);
extern void __init pci_mmcfg_arch_free(void);
extern struct pci_mmcfg_region *pci_mmcfg_config;
extern int pci_mmcfg_config_num;
extern struct list_head pci_mmcfg_list;
#define PCI_MMCFG_BUS_OFFSET(bus) ((bus) << 20)