Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

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

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 0d8bc92..48890cf 100644 (file)
--- 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.
  */
@@ -534,6 +559,7 @@ 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);