Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

[linux-flexiantxendom0-3.2.10.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 569341d..27bf521 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -111,7 +111,7 @@ enum {
        PCI_NUM_RESOURCES,
 
        /* preserve this for compatibility */
-       DEVICE_COUNT_RESOURCE
+       DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
 };
 
 typedef int __bitwise pci_power_t;
@@ -661,17 +661,13 @@ extern struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(const struct pci_bus *bus);
 struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus,
                                      struct pci_ops *ops, void *sysdata);
-static inline struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops,
-                                          void *sysdata)
-{
-       struct pci_bus *root_bus;
-       root_bus = pci_scan_bus_parented(NULL, bus, ops, sysdata);
-       if (root_bus)
-               pci_bus_add_devices(root_bus);
-       return root_bus;
-}
-struct pci_bus *pci_create_bus(struct device *parent, int bus,
-                              struct pci_ops *ops, void *sysdata);
+struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata);
+struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
+                                   struct pci_ops *ops, void *sysdata,
+                                   struct list_head *resources);
+struct pci_bus * __devinit pci_scan_root_bus(struct device *parent, int bus,
+                                            struct pci_ops *ops, void *sysdata,
+                                            struct list_head *resources);
 struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev,
                                int busnr);
 void pcie_update_link_speed(struct pci_bus *bus, u16 link_status);
@@ -750,28 +746,28 @@ int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn,
                               int where, u32 val);
 struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops);
 
-static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val)
+static inline int pci_read_config_byte(const struct pci_dev *dev, int where, u8 *val)
 {
        return pci_bus_read_config_byte(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_read_config_word(struct pci_dev *dev, int where, u16 *val)
+static inline int pci_read_config_word(const struct pci_dev *dev, int where, u16 *val)
 {
        return pci_bus_read_config_word(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_read_config_dword(struct pci_dev *dev, int where,
+static inline int pci_read_config_dword(const struct pci_dev *dev, int where,
                                        u32 *val)
 {
        return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_write_config_byte(struct pci_dev *dev, int where, u8 val)
+static inline int pci_write_config_byte(const struct pci_dev *dev, int where, u8 val)
 {
        return pci_bus_write_config_byte(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_write_config_word(struct pci_dev *dev, int where, u16 val)
+static inline int pci_write_config_word(const struct pci_dev *dev, int where, u16 val)
 {
        return pci_bus_write_config_word(dev->bus, dev->devfn, where, val);
 }
-static inline int pci_write_config_dword(struct pci_dev *dev, int where,
+static inline int pci_write_config_dword(const struct pci_dev *dev, int where,
                                         u32 val)
 {
        return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val);
@@ -795,8 +791,11 @@ static inline int pci_is_managed(struct pci_dev *pdev)
 }
 
 void pci_disable_device(struct pci_dev *dev);
+
+extern unsigned int pcibios_max_latency;
 void pci_set_master(struct pci_dev *dev);
 void pci_clear_master(struct pci_dev *dev);
+
 int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state);
 int pci_set_cacheline_size(struct pci_dev *dev);
 #define HAVE_PCI_SET_MWI
@@ -914,6 +913,8 @@ int pci_request_selected_regions_exclusive(struct pci_dev *, int, const char *);
 void pci_release_selected_regions(struct pci_dev *, int);
 
 /* drivers/pci/bus.c */
+void pci_add_resource(struct list_head *resources, struct resource *res);
+void pci_free_resource_list(struct list_head *resources);
 void pci_bus_add_resource(struct pci_bus *bus, struct resource *res, unsigned int flags);
 struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n);
 void pci_bus_remove_resources(struct pci_bus *bus);
@@ -945,6 +946,19 @@ int __must_check __pci_register_driver(struct pci_driver *, struct module *,
        __pci_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
 
 void pci_unregister_driver(struct pci_driver *dev);
+
+/**
+ * module_pci_driver() - Helper macro for registering a PCI driver
+ * @__pci_driver: pci_driver struct
+ *
+ * Helper macro for PCI drivers which do not do anything special in module
+ * init/exit. This eliminates a lot of boilerplate. Each module may only
+ * use this macro once, and calling it replaces module_init() and module_exit()
+ */
+#define module_pci_driver(__pci_driver) \
+       module_driver(__pci_driver, pci_register_driver, \
+                      pci_unregister_driver)
+
 void pci_remove_behind_bridge(struct pci_dev *dev);
 struct pci_driver *pci_dev_driver(const struct pci_dev *dev);
 int pci_add_dynid(struct pci_driver *drv,
@@ -1431,10 +1445,10 @@ static inline void pci_fixup_device(enum pci_fixup_pass pass,
 void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen);
 void pcim_iounmap(struct pci_dev *pdev, void __iomem *addr);
 void __iomem * const *pcim_iomap_table(struct pci_dev *pdev);
-int pcim_iomap_regions(struct pci_dev *pdev, u16 mask, const char *name);
-int pcim_iomap_regions_request_all(struct pci_dev *pdev, u16 mask,
+int pcim_iomap_regions(struct pci_dev *pdev, int mask, const char *name);
+int pcim_iomap_regions_request_all(struct pci_dev *pdev, int mask,
                                   const char *name);
-void pcim_iounmap_regions(struct pci_dev *pdev, u16 mask);
+void pcim_iounmap_regions(struct pci_dev *pdev, int mask);
 
 extern int pci_pci_problems;
 #define PCIPCI_FAIL            1       /* No PCI PCI DMA */
@@ -1646,6 +1660,13 @@ static inline void pci_set_bus_of_node(struct pci_bus *bus) { }
 static inline void pci_release_bus_of_node(struct pci_bus *bus) { }
 #endif  /* CONFIG_OF */
 
+#ifdef CONFIG_EEH
+static inline struct eeh_dev *pci_dev_to_eeh_dev(struct pci_dev *pdev)
+{
+       return pdev->dev.archdata.edev;
+}
+#endif
+
 /**
  * pci_find_upstream_pcie_bridge - find upstream PCIe-to-PCI bridge of a device
  * @pdev: the PCI device