diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-generic/vmlinux.lds.h | 7 | ||||
| -rw-r--r-- | include/linux/pci-acpi.h | 19 |
2 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 6a67ab94b553..43604fc68507 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -300,6 +300,13 @@ VMLINUX_SYMBOL(__end_pci_fixups_suspend_late) = .; \ } \ \ + /* ACPI MCFG quirks */ \ + .acpi_fixup : AT(ADDR(.acpi_fixup) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start_acpi_mcfg_fixups) = .; \ + *(.acpi_fixup_mcfg) \ + VMLINUX_SYMBOL(__end_acpi_mcfg_fixups) = .; \ + } \ + \ /* Built-in firmware blobs */ \ .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start_builtin_fw) = .; \ diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index e0e6dfc9f94c..b4e810641301 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -25,6 +25,7 @@ static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev) extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle); extern int pci_mcfg_lookup(struct acpi_pci_root *root); +extern struct pci_ecam_ops *pci_mcfg_get_ops(struct acpi_pci_root *root); static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { @@ -72,6 +73,24 @@ struct acpi_pci_root_ops { int (*prepare_resources)(struct acpi_pci_root_info *info); }; +struct pci_cfg_fixup { + struct pci_ecam_ops *ops; + char *oem_id; + u32 oem_revision; + int domain; + int bus_num; +}; + +#define PCI_MCFG_DOMAIN_ANY -1 +#define PCI_MCFG_BUS_ANY -1 + +/* Designate a routine to fix up buggy MCFG */ +#define DECLARE_ACPI_MCFG_FIXUP(ops, oem_id, rev, dom, bus) \ + static const struct pci_cfg_fixup __mcfg_fixup_##system##dom##bus\ + __used __attribute__((__section__(".acpi_fixup_mcfg"), \ + aligned((sizeof(void *))))) = \ + { ops, oem_id, rev, dom, bus }; + extern int acpi_pci_probe_root_resources(struct acpi_pci_root_info *info); extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root, struct acpi_pci_root_ops *ops, |