1 files changed, 100 insertions, 38 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index a16b1df3deff..e444f5b49118 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -299,7 +299,6 @@ struct pci_dev {
          */
         unsigned int    irq;
         struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
-        resource_size_t fw_addr[DEVICE_COUNT_RESOURCE]; /* FW-assigned addr */
 
         /* These fields are used by common fixups */
         unsigned int    transparent:1;  /* Transparent PCI bridge */
@@ -369,24 +368,17 @@ static inline int pci_channel_offline(struct pci_dev *pdev)
         return (pdev->error_state != pci_channel_io_normal);
 }
 
-static inline struct pci_cap_saved_state *pci_find_saved_cap(
-        struct pci_dev *pci_dev, char cap)
-{
-        struct pci_cap_saved_state *tmp;
-        struct hlist_node *pos;
-
-        hlist_for_each_entry(tmp, pos, &pci_dev->saved_cap_space, next) {
-                if (tmp->cap.cap_nr == cap)
-                        return tmp;
-        }
-        return NULL;
-}
+struct pci_host_bridge_window {
+        struct list_head list;
+        struct resource *res;           /* host bridge aperture (CPU address) */
+        resource_size_t offset;         /* bus address + offset = CPU address */
+};
 
-static inline void pci_add_saved_cap(struct pci_dev *pci_dev,
-        struct pci_cap_saved_state *new_cap)
-{
-        hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space);
-}
+struct pci_host_bridge {
+        struct list_head list;
+        struct pci_bus *bus;            /* root bus */
+        struct list_head windows;       /* pci_host_bridge_windows */
+};
 
 /*
  * The first PCI_BRIDGE_RESOURCE_NUM PCI bus resources (those that correspond
@@ -656,6 +648,10 @@ void pci_fixup_cardbus(struct pci_bus *);
 
 /* Generic PCI functions used internally */
 
+void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+                             struct resource *res);
+void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+                             struct pci_bus_region *region);
 void pcibios_scan_specific_bus(int busn);
 extern struct pci_bus *pci_find_bus(int domain, int busnr);
 void pci_bus_add_devices(const struct pci_bus *bus);
@@ -690,7 +686,8 @@ u8 pci_common_swizzle(struct pci_dev *dev, u8 *pinp);
 extern struct pci_dev *pci_dev_get(struct pci_dev *dev);
 extern void pci_dev_put(struct pci_dev *dev);
 extern void pci_remove_bus(struct pci_bus *b);
-extern void pci_remove_bus_device(struct pci_dev *dev);
+extern void __pci_remove_bus_device(struct pci_dev *dev);
+extern void pci_stop_and_remove_bus_device(struct pci_dev *dev);
 extern void pci_stop_bus_device(struct pci_dev *dev);
 void pci_setup_cardbus(struct pci_bus *bus);
 extern void pci_sort_breadthfirst(void);
@@ -746,28 +743,28 @@ 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);
@@ -817,6 +814,7 @@ int pcie_set_readrq(struct pci_dev *dev, int rq);
 int pcie_get_mps(struct pci_dev *dev);
 int pcie_set_mps(struct pci_dev *dev, int mps);
 int __pci_reset_function(struct pci_dev *dev);
+int __pci_reset_function_locked(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
 void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
@@ -882,6 +880,7 @@ void set_pcie_hotplug_bridge(struct pci_dev *pdev);
 /* Functions for PCI Hotplug drivers to use */
 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
 #ifdef CONFIG_HOTPLUG
+unsigned int pci_rescan_bus_bridge_resize(struct pci_dev *bridge);
 unsigned int pci_rescan_bus(struct pci_bus *bus);
 #endif
 
@@ -891,13 +890,13 @@ ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void
 int pci_vpd_truncate(struct pci_dev *dev, size_t size);
 
 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
+resource_size_t pcibios_retrieve_fw_addr(struct pci_dev *dev, int idx);
 void pci_bus_assign_resources(const struct pci_bus *bus);
 void pci_bus_size_bridges(struct pci_bus *bus);
 int pci_claim_resource(struct pci_dev *, int);
 void pci_assign_unassigned_resources(void);
 void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge);
 void pdev_enable_device(struct pci_dev *);
-void pdev_sort_resources(struct pci_dev *, struct resource_list *);
 int pci_enable_resources(struct pci_dev *, int mask);
 void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *),
                     int (*)(const struct pci_dev *, u8, u8));
@@ -914,6 +913,8 @@ 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_add_resource_offset(struct list_head *resources, struct resource *res,
+                             resource_size_t offset);
 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);
@@ -946,7 +947,20 @@ 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);
-void pci_remove_behind_bridge(struct pci_dev *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_stop_and_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,
                   unsigned int vendor, unsigned int device,
@@ -1382,7 +1396,10 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
  */
 
 struct pci_fixup {
-        u16 vendor, device;     /* You can use PCI_ANY_ID here of course */
+        u16 vendor;             /* You can use PCI_ANY_ID here of course */
+        u16 device;             /* You can use PCI_ANY_ID here of course */
+        u32 class;              /* You can use PCI_ANY_ID here too */
+        unsigned int class_shift;       /* should be 0, 8, 16 */
         void (*hook)(struct pci_dev *dev);
 };
 
@@ -1397,30 +1414,68 @@ enum pci_fixup_pass {
 };
 
 /* Anonymous variables would be nice... */
-#define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, hook)  \
-        static const struct pci_fixup __pci_fixup_##name __used         \
-        __attribute__((__section__(#section))) = { vendor, device, hook };
+#define DECLARE_PCI_FIXUP_SECTION(section, name, vendor, device, class, \
+                                  class_shift, hook)                    \
+        static const struct pci_fixup const __pci_fixup_##name __used   \
+        __attribute__((__section__(#section), aligned((sizeof(void *)))))    \
+                = { vendor, device, class, class_shift, hook };
+
+#define DECLARE_PCI_FIXUP_CLASS_EARLY(vendor, device, class,            \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,                     \
+                vendor##device##hook, vendor, device, class, class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_HEADER(vendor, device, class,           \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,                    \
+                vendor##device##hook, vendor, device, class, class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_FINAL(vendor, device, class,            \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,                     \
+                vendor##device##hook, vendor, device, class, class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_ENABLE(vendor, device, class,           \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,                    \
+                vendor##device##hook, vendor, device, class, class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_RESUME(vendor, device, class,           \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,                    \
+                resume##vendor##device##hook, vendor, device, class,    \
+                class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_RESUME_EARLY(vendor, device, class,     \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early,              \
+                resume_early##vendor##device##hook, vendor, device,     \
+                class, class_shift, hook)
+#define DECLARE_PCI_FIXUP_CLASS_SUSPEND(vendor, device, class,          \
+                                         class_shift, hook)             \
+        DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend,                   \
+                suspend##vendor##device##hook, vendor, device, class,   \
+                class_shift, hook)
+
 #define DECLARE_PCI_FIXUP_EARLY(vendor, device, hook)                   \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_early,                     \
-                        vendor##device##hook, vendor, device, hook)
+                vendor##device##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_HEADER(vendor, device, hook)                  \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_header,                    \
-                        vendor##device##hook, vendor, device, hook)
+                vendor##device##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_FINAL(vendor, device, hook)                   \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_final,                     \
-                        vendor##device##hook, vendor, device, hook)
+                vendor##device##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_ENABLE(vendor, device, hook)                  \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_enable,                    \
-                        vendor##device##hook, vendor, device, hook)
+                vendor##device##hook, vendor, device, PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook)                  \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume,                    \
-                        resume##vendor##device##hook, vendor, device, hook)
+                resume##vendor##device##hook, vendor, device,           \
+                PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_RESUME_EARLY(vendor, device, hook)            \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early,              \
-                        resume_early##vendor##device##hook, vendor, device, hook)
+                resume_early##vendor##device##hook, vendor, device,     \
+                PCI_ANY_ID, 0, hook)
 #define DECLARE_PCI_FIXUP_SUSPEND(vendor, device, hook)                 \
         DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend,                   \
-                        suspend##vendor##device##hook, vendor, device, hook)
+                suspend##vendor##device##hook, vendor, device,          \
+                PCI_ANY_ID, 0, hook)
 
 #ifdef CONFIG_PCI_QUIRKS
 void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev);
@@ -1647,6 +1702,13 @@ 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