Merge master.kernel.org:/pub/scm/linux/kernel/git/lenb/to-linus

[linux-2.6] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index bea13a99e6fb4b10bec28d4fef3c477d8a7cc7d9..8621cf42b46f36777fba25b1bf408e338d72af71 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -501,6 +501,7 @@ typedef int __bitwise pci_power_t;
 #define PCI_D2 ((pci_power_t __force) 2)
 #define PCI_D3hot      ((pci_power_t __force) 3)
 #define PCI_D3cold     ((pci_power_t __force) 4)
+#define PCI_POWER_ERROR        ((pci_power_t __force) -1)
 
 /*
  * The pci_dev structure is used to describe PCI devices.
@@ -585,7 +586,7 @@ struct pci_dev {
 #define PCI_NUM_RESOURCES 11
 
 #ifndef PCI_BUS_NUM_RESOURCES
-#define PCI_BUS_NUM_RESOURCES 4
+#define PCI_BUS_NUM_RESOURCES 8
 #endif
   
 #define PCI_REGION_FLAG_MASK 0x0fU     /* These bits of resource flags tell us the PCI region flags */
@@ -669,7 +670,8 @@ struct pci_driver {
        void (*remove) (struct pci_dev *dev);   /* Device removed (NULL if not a hot-plug capable driver) */
        int  (*suspend) (struct pci_dev *dev, pm_message_t state);      /* Device suspended */
        int  (*resume) (struct pci_dev *dev);                   /* Device woken up */
-       int  (*enable_wake) (struct pci_dev *dev, u32 state, int enable);   /* Enable wake event */
+       int  (*enable_wake) (struct pci_dev *dev, pci_power_t state, int enable);   /* Enable wake event */
+       void (*shutdown) (struct pci_dev *dev);
 
        struct device_driver    driver;
        struct pci_dynids dynids;
@@ -732,16 +734,20 @@ void pcibios_update_irq(struct pci_dev *, int irq);
 /* Generic PCI functions used internally */
 
 extern struct pci_bus *pci_find_bus(int domain, int busnr);
+void pci_bus_add_devices(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 *pci_scan_bus(int bus, struct pci_ops *ops, void *sysdata)
 {
-       return pci_scan_bus_parented(NULL, bus, ops, 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;
 }
 int pci_scan_slot(struct pci_bus *bus, int devfn);
 struct pci_dev * pci_scan_single_device(struct pci_bus *bus, int devfn);
 unsigned int pci_scan_child_bus(struct pci_bus *bus);
 void pci_bus_add_device(struct pci_dev *dev);
-void pci_bus_add_devices(struct pci_bus *bus);
 void pci_name_device(struct pci_dev *dev);
 char *pci_class_name(u32 class);
 void pci_read_bridge_bases(struct pci_bus *child);
@@ -809,7 +815,6 @@ void pci_set_master(struct pci_dev *dev);
 int pci_set_mwi(struct pci_dev *dev);
 void pci_clear_mwi(struct pci_dev *dev);
 int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
-int pci_dac_set_dma_mask(struct pci_dev *dev, u64 mask);
 int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask);
 int pci_assign_resource(struct pci_dev *dev, int i);
 
@@ -855,7 +860,8 @@ int pci_register_driver(struct pci_driver *);
 void pci_unregister_driver(struct pci_driver *);
 void pci_remove_behind_bridge(struct pci_dev *);
 struct pci_driver *pci_dev_driver(const struct pci_dev *);
-const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev);
+const struct pci_device_id *pci_match_device(struct pci_driver *drv, struct pci_dev *dev);
+const struct pci_device_id *pci_match_id(const struct pci_device_id *ids, struct pci_dev *dev);
 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass);
 
 /* kmem_cache style wrapper around pci_alloc_consistent() */
@@ -869,6 +875,15 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass
 #define        pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
 #define        pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
 
+enum pci_dma_burst_strategy {
+       PCI_DMA_BURST_INFINITY, /* make bursts as large as possible,
+                                  strategy_parameter is N/A */
+       PCI_DMA_BURST_BOUNDARY, /* disconnect at every strategy_parameter
+                                  byte boundaries */
+       PCI_DMA_BURST_MULTIPLE, /* disconnect at some multiple of
+                                  strategy_parameter byte boundaries */
+};
+
 #if defined(CONFIG_ISA) || defined(CONFIG_EISA)
 extern struct pci_dev *isa_bridge;
 #endif
@@ -940,7 +955,6 @@ static inline void pci_set_master(struct pci_dev *dev) { }
 static inline int pci_enable_device(struct pci_dev *dev) { return -EIO; }
 static inline void pci_disable_device(struct pci_dev *dev) { }
 static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; }
-static inline int pci_dac_set_dma_mask(struct pci_dev *dev, u64 mask) { return -EIO; }
 static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
 static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
 static inline void pci_unregister_driver(struct pci_driver *drv) { }
@@ -952,11 +966,13 @@ static inline const struct pci_device_id *pci_match_device(const struct pci_devi
 static inline int pci_save_state(struct pci_dev *dev) { return 0; }
 static inline int pci_restore_state(struct pci_dev *dev) { return 0; }
 static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; }
-static inline pci_power_t pci_choose_state(struct pci_dev *dev, u32 state) { return PCI_D0; }
+static inline pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) { return PCI_D0; }
 static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }
 
 #define        isa_bridge      ((struct pci_dev *)NULL)
 
+#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
+
 #else
 
 /*
@@ -971,7 +987,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
        return 0;
 }
 #endif
-
 #endif /* !CONFIG_PCI */
 
 /* these helpers provide future and backwards compatibility
@@ -1016,6 +1031,20 @@ static inline char *pci_name(struct pci_dev *pdev)
 #define pci_pretty_name(dev) ""
 #endif
 
+
+/* Some archs don't want to expose struct resource to userland as-is
+ * in sysfs and /proc
+ */
+#ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
+static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
+                const struct resource *rsrc, u64 *start, u64 *end)
+{
+       *start = rsrc->start;
+       *end = rsrc->end;
+}
+#endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */
+
+
 /*
  *  The world is not perfect and supplies us with broken PCI devices.
  *  For at least a part of these bugs we need a work-around, so both