1 files changed, 67 insertions, 29 deletions

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 03b0b8c3c81b..48890cf3f96e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -82,7 +82,30 @@ enum pci_mmap_state {
 #define PCI_DMA_FROMDEVICE      2
 #define PCI_DMA_NONE            3
 
-#define DEVICE_COUNT_RESOURCE   12
+/*
+ *  For PCI devices, the region numbers are assigned this way:
+ */
+enum {
+        /* #0-5: standard PCI resources */
+        PCI_STD_RESOURCES,
+        PCI_STD_RESOURCE_END = 5,
+
+        /* #6: expansion ROM resource */
+        PCI_ROM_RESOURCE,
+
+        /* resources assigned to buses behind the bridge */
+#define PCI_BRIDGE_RESOURCE_NUM 4
+
+        PCI_BRIDGE_RESOURCES,
+        PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
+                                  PCI_BRIDGE_RESOURCE_NUM - 1,
+
+        /* total resources associated with a PCI device */
+        PCI_NUM_RESOURCES,
+
+        /* preserve this for compatibility */
+        DEVICE_COUNT_RESOURCE
+};
 
 typedef int __bitwise pci_power_t;
 
@@ -94,6 +117,10 @@ typedef int __bitwise pci_power_t;
 #define PCI_UNKNOWN     ((pci_power_t __force) 5)
 #define PCI_POWER_ERROR ((pci_power_t __force) -1)
 
+#define PCI_PM_D2_DELAY 200
+#define PCI_PM_D3_WAIT  10
+#define PCI_PM_BUS_WAIT 50
+
 /** The pci_channel state describes connectivity between the CPU and
  *  the pci device.  If some PCI bus between here and the pci device
  *  has crashed or locked up, this info is reflected here.
@@ -229,6 +256,7 @@ struct pci_dev {
         unsigned int    ari_enabled:1;  /* ARI forwarding */
         unsigned int    is_managed:1;
         unsigned int    is_pcie:1;
+        unsigned int    state_saved:1;
         pci_dev_flags_t dev_flags;
         atomic_t        enable_cnt;     /* pci_enable_device has been called */
 
@@ -274,18 +302,6 @@ static inline void pci_add_saved_cap(struct pci_dev *pci_dev,
         hlist_add_head(&new_cap->next, &pci_dev->saved_cap_space);
 }
 
-/*
- *  For PCI devices, the region numbers are assigned this way:
- *
- *      0-5     standard PCI regions
- *      6       expansion ROM
- *      7-10    bridges: address space assigned to buses behind the bridge
- */
-
-#define PCI_ROM_RESOURCE        6
-#define PCI_BRIDGE_RESOURCES    7
-#define PCI_NUM_RESOURCES       11
-
 #ifndef PCI_BUS_NUM_RESOURCES
 #define PCI_BUS_NUM_RESOURCES   16
 #endif
@@ -325,6 +341,15 @@ struct pci_bus {
 #define pci_bus_b(n)    list_entry(n, struct pci_bus, node)
 #define to_pci_bus(n)   container_of(n, struct pci_bus, dev)
 
+#ifdef CONFIG_PCI_MSI
+static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev)
+{
+        return pci_dev->msi_enabled || pci_dev->msix_enabled;
+}
+#else
+static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev) { return false; }
+#endif
+
 /*
  * Error values that may be returned by PCI functions.
  */
@@ -421,7 +446,6 @@ struct pci_driver {
         int  (*resume_early) (struct pci_dev *dev);
         int  (*resume) (struct pci_dev *dev);                   /* Device woken up */
         void (*shutdown) (struct pci_dev *dev);
-        struct pm_ext_ops *pm;
         struct pci_error_handlers *err_handler;
         struct device_driver    driver;
         struct pci_dynids dynids;
@@ -533,7 +557,9 @@ int __must_check pci_bus_add_device(struct pci_dev *dev);
 void pci_read_bridge_bases(struct pci_bus *child);
 struct resource *pci_find_parent_resource(const struct pci_dev *dev,
                                           struct resource *res);
+u8 pci_swizzle_interrupt_pin(struct pci_dev *dev, u8 pin);
 int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge);
+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);
@@ -630,6 +656,7 @@ static inline int pci_is_managed(struct pci_dev *pdev)
 
 void pci_disable_device(struct pci_dev *dev);
 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);
 #define HAVE_PCI_SET_MWI
 int __must_check pci_set_mwi(struct pci_dev *dev);
@@ -648,7 +675,7 @@ int pcie_get_readrq(struct pci_dev *dev);
 int pcie_set_readrq(struct pci_dev *dev, int rq);
 int pci_reset_function(struct pci_dev *dev);
 int pci_execute_reset_function(struct pci_dev *dev);
-void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno);
+void pci_update_resource(struct pci_dev *dev, int resno);
 int __must_check pci_assign_resource(struct pci_dev *dev, int i);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
 
@@ -675,6 +702,11 @@ int pci_back_from_sleep(struct pci_dev *dev);
 /* Functions for PCI Hotplug drivers to use */
 int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap);
 
+/* Vital product data routines */
+ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
+ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);
+int pci_vpd_truncate(struct pci_dev *dev, size_t size);
+
 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
 void pci_bus_assign_resources(struct pci_bus *bus);
 void pci_bus_size_bridges(struct pci_bus *bus);
@@ -687,10 +719,13 @@ void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *),
                     int (*)(struct pci_dev *, u8, u8));
 #define HAVE_PCI_REQ_REGIONS    2
 int __must_check pci_request_regions(struct pci_dev *, const char *);
+int __must_check pci_request_regions_exclusive(struct pci_dev *, const char *);
 void pci_release_regions(struct pci_dev *);
 int __must_check pci_request_region(struct pci_dev *, int, const char *);
+int __must_check pci_request_region_exclusive(struct pci_dev *, int, const char *);
 void pci_release_region(struct pci_dev *, int);
 int pci_request_selected_regions(struct pci_dev *, int, const char *);
+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 */
@@ -780,6 +815,10 @@ static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
 
 static inline void pci_restore_msi_state(struct pci_dev *dev)
 { }
+static inline int pci_msi_enabled(void)
+{
+        return 0;
+}
 #else
 extern int pci_enable_msi(struct pci_dev *dev);
 extern void pci_msi_shutdown(struct pci_dev *dev);
@@ -790,6 +829,16 @@ extern void pci_msix_shutdown(struct pci_dev *dev);
 extern void pci_disable_msix(struct pci_dev *dev);
 extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
 extern void pci_restore_msi_state(struct pci_dev *dev);
+extern int pci_msi_enabled(void);
+#endif
+
+#ifndef CONFIG_PCIEASPM
+static inline int pcie_aspm_enabled(void)
+{
+        return 0;
+}
+#else
+extern int pcie_aspm_enabled(void);
 #endif
 
 #ifdef CONFIG_HT_IRQ
@@ -1141,20 +1190,9 @@ static inline void pci_mmcfg_early_init(void) { }
 static inline void pci_mmcfg_late_init(void) { }
 #endif
 
-#ifdef CONFIG_HAS_IOMEM
-static inline void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar)
-{
-        /*
-         * Make sure the BAR is actually a memory resource, not an IO resource
-         */
-        if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) {
-                WARN_ON(1);
-                return NULL;
-        }
-        return ioremap_nocache(pci_resource_start(pdev, bar),
-                                     pci_resource_len(pdev, bar));
-}
-#endif
+int pci_ext_cfg_avail(struct pci_dev *dev);
+
+void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
 
 #endif /* __KERNEL__ */
 #endif /* LINUX_PCI_H */