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-rw-r--r--include/linux/pci.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7349058ed77..de690ca73d5 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -132,6 +132,7 @@ struct pci_dev {
unsigned int is_enabled:1; /* pci_enable_device has been called */
unsigned int is_busmaster:1; /* device is busmaster */
unsigned int no_msi:1; /* device may not use msi */
+ unsigned int block_ucfg_access:1; /* userspace config space access is blocked */
u32 saved_config_space[16]; /* config space saved at suspend time */
struct bin_attribute *rom_attr; /* attribute descriptor for sysfs ROM entry */
@@ -235,7 +236,6 @@ struct module;
struct pci_driver {
struct list_head node;
char *name;
- struct module *owner;
const struct pci_device_id *id_table; /* must be non-NULL for probe to be called */
int (*probe) (struct pci_dev *dev, const struct pci_device_id *id); /* New device inserted */
void (*remove) (struct pci_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */
@@ -337,6 +337,7 @@ struct pci_dev *pci_find_device (unsigned int vendor, unsigned int device, const
struct pci_dev *pci_find_device_reverse (unsigned int vendor, unsigned int device, const struct pci_dev *from);
struct pci_dev *pci_find_slot (unsigned int bus, unsigned int devfn);
int pci_find_capability (struct pci_dev *dev, int cap);
+int pci_find_next_capability (struct pci_dev *dev, u8 pos, int cap);
int pci_find_ext_capability (struct pci_dev *dev, int cap);
struct pci_bus * pci_find_next_bus(const struct pci_bus *from);
@@ -431,8 +432,13 @@ int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
void *alignf_data);
void pci_enable_bridges(struct pci_bus *bus);
-/* New-style probing supporting hot-pluggable devices */
-int pci_register_driver(struct pci_driver *);
+/* Proper probing supporting hot-pluggable devices */
+int __pci_register_driver(struct pci_driver *, struct module *);
+static inline int pci_register_driver(struct pci_driver *driver)
+{
+ return __pci_register_driver(driver, THIS_MODULE);
+}
+
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 *);
@@ -490,6 +496,9 @@ extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
#endif
+extern void pci_block_user_cfg_access(struct pci_dev *dev);
+extern void pci_unblock_user_cfg_access(struct pci_dev *dev);
+
/*
* PCI domain support. Sometimes called PCI segment (eg by ACPI),
* a PCI domain is defined to be a set of PCI busses which share
@@ -543,9 +552,11 @@ 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_assign_resource(struct pci_dev *dev, int i) { return -EBUSY;}
+static inline int __pci_register_driver(struct pci_driver *drv, struct module *owner) { return 0;}
static inline int pci_register_driver(struct pci_driver *drv) { return 0;}
static inline void pci_unregister_driver(struct pci_driver *drv) { }
static inline int pci_find_capability (struct pci_dev *dev, int cap) {return 0; }
+static inline int pci_find_next_capability (struct pci_dev *dev, u8 post, int cap) { return 0; }
static inline int pci_find_ext_capability (struct pci_dev *dev, int cap) {return 0; }
static inline const struct pci_device_id *pci_match_device(const struct pci_device_id *ids, const struct pci_dev *dev) { return NULL; }
@@ -560,6 +571,9 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int en
#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
+static inline void pci_block_user_cfg_access(struct pci_dev *dev) { }
+static inline void pci_unblock_user_cfg_access(struct pci_dev *dev) { }
+
#endif /* CONFIG_PCI */
/* Include architecture-dependent settings and functions */