#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;
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
#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.
*/
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;
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);
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);
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);
/* 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);
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 */
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);
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
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 */