Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi...

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

diff --git a/include/linux/pci.h b/include/linux/pci.h
index c2e491e..d304ddf 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -52,6 +52,7 @@
 #include <asm/atomic.h>
 #include <linux/device.h>
 #include <linux/io.h>
+#include <linux/irqreturn.h>
 
 /* Include the ID list */
 #include <linux/pci_ids.h>
@@ -123,6 +124,14 @@ typedef int __bitwise pci_power_t;
 #define PCI_UNKNOWN    ((pci_power_t __force) 5)
 #define PCI_POWER_ERROR        ((pci_power_t __force) -1)
 
+/* Remember to update this when the list above changes! */
+extern const char *pci_power_names[];
+
+static inline const char *pci_power_name(pci_power_t state)
+{
+       return pci_power_names[1 + (int) state];
+}
+
 #define PCI_PM_D2_DELAY        200
 #define PCI_PM_D3_WAIT 10
 #define PCI_PM_BUS_WAIT        50
@@ -187,6 +196,7 @@ struct pci_cap_saved_state {
 struct pcie_link_state;
 struct pci_vpd;
 struct pci_sriov;
+struct pci_ats;
 
 /*
  * The pci_dev structure is used to describe PCI devices.
@@ -284,6 +294,7 @@ struct pci_dev {
                struct pci_sriov *sriov;        /* SR-IOV capability related */
                struct pci_dev *physfn; /* the PF this VF is associated with */
        };
+       struct pci_ats  *ats;   /* Address Translation Service */
 #endif
 };
 
@@ -356,6 +367,15 @@ 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)
 
+/*
+ * Returns true if the pci bus is root (behind host-pci bridge),
+ * false otherwise
+ */
+static inline bool pci_is_root_bus(struct pci_bus *pbus)
+{
+       return !(pbus->parent);
+}
+
 #ifdef CONFIG_PCI_MSI
 static inline bool pci_dev_msi_enabled(struct pci_dev *pci_dev)
 {
@@ -589,8 +609,6 @@ extern void pci_sort_breadthfirst(void);
 struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
                                             unsigned int device,
                                             struct pci_dev *from);
-struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
-                                          unsigned int devfn);
 #endif /* CONFIG_PCI_LEGACY */
 
 enum pci_lost_interrupt_reason {
@@ -629,6 +647,7 @@ int pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn,
                              int where, u16 val);
 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)
 {
@@ -664,6 +683,11 @@ int __must_check pci_reenable_device(struct pci_dev *);
 int __must_check pcim_enable_device(struct pci_dev *pdev);
 void pcim_pin_device(struct pci_dev *pdev);
 
+static inline int pci_is_enabled(struct pci_dev *pdev)
+{
+       return (atomic_read(&pdev->enable_cnt) > 0);
+}
+
 static inline int pci_is_managed(struct pci_dev *pdev)
 {
        return pdev->is_managed;
@@ -688,8 +712,8 @@ int pcix_get_mmrbc(struct pci_dev *dev);
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc);
 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_reset_function(struct pci_dev *dev);
-int pci_execute_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);
 int pci_select_bars(struct pci_dev *dev, unsigned long flags);
@@ -704,11 +728,12 @@ size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size);
 /* Power management related routines */
 int pci_save_state(struct pci_dev *dev);
 int pci_restore_state(struct pci_dev *dev);
+int __pci_complete_power_transition(struct pci_dev *dev, pci_power_t state);
 int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
 pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state);
 bool pci_pme_capable(struct pci_dev *dev, pci_power_t state);
 void pci_pme_active(struct pci_dev *dev, bool enable);
-int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
+int pci_enable_wake(struct pci_dev *dev, pci_power_t state, bool enable);
 int pci_wake_from_d3(struct pci_dev *dev, bool enable);
 pci_power_t pci_target_state(struct pci_dev *dev);
 int pci_prepare_to_sleep(struct pci_dev *dev);
@@ -716,6 +741,9 @@ 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);
+#ifdef CONFIG_HOTPLUG
+unsigned int pci_rescan_bus(struct pci_bus *bus);
+#endif
 
 /* Vital product data routines */
 ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
@@ -771,7 +799,7 @@ const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
 int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
                    int pass);
 
-void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
+void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
                  void *userdata);
 int pci_cfg_space_size_ext(struct pci_dev *dev);
 int pci_cfg_space_size(struct pci_dev *dev);
@@ -861,6 +889,17 @@ static inline int pcie_aspm_enabled(void)
 extern int pcie_aspm_enabled(void);
 #endif
 
+#ifndef CONFIG_PCIE_ECRC
+static inline void pcie_set_ecrc_checking(struct pci_dev *dev)
+{
+       return;
+}
+static inline void pcie_ecrc_get_policy(char *str) {};
+#else
+extern void pcie_set_ecrc_checking(struct pci_dev *dev);
+extern void pcie_ecrc_get_policy(char *str);
+#endif
+
 #define pci_enable_msi(pdev)   pci_enable_msi_block(pdev, 1)
 
 #ifdef CONFIG_HT_IRQ
@@ -917,12 +956,6 @@ static inline struct pci_dev *pci_find_device(unsigned int vendor,
        return NULL;
 }
 
-static inline struct pci_dev *pci_find_slot(unsigned int bus,
-                                           unsigned int devfn)
-{
-       return NULL;
-}
-
 static inline struct pci_dev *pci_get_device(unsigned int vendor,
                                             unsigned int device,
                                             struct pci_dev *from)
@@ -1078,6 +1111,10 @@ static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus,
 
 #include <asm/pci.h>
 
+#ifndef PCIBIOS_MAX_MEM_32
+#define PCIBIOS_MAX_MEM_32 (-1)
+#endif
+
 /* these helpers provide future and backwards compatibility
  * for accessing popular PCI BAR info */
 #define pci_resource_start(dev, bar)   ((dev)->resource[(bar)].start)
@@ -1219,6 +1256,7 @@ void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
 #ifdef CONFIG_PCI_IOV
 extern int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
 extern void pci_disable_sriov(struct pci_dev *dev);
+extern irqreturn_t pci_sriov_migration(struct pci_dev *dev);
 #else
 static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 {
@@ -1227,6 +1265,15 @@ static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 static inline void pci_disable_sriov(struct pci_dev *dev)
 {
 }
+static inline irqreturn_t pci_sriov_migration(struct pci_dev *dev)
+{
+       return IRQ_NONE;
+}
+#endif
+
+#if defined(CONFIG_HOTPLUG_PCI) || defined(CONFIG_HOTPLUG_PCI_MODULE)
+extern void pci_hp_create_module_link(struct pci_slot *pci_slot);
+extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
 #endif
 
 #endif /* __KERNEL__ */