PCI: introduce an pci_ioremap(pdev, barnr) function

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

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 7a4cee00c1d6aaaff80daf12c25f1412a349e1b9..46ad282ffe4d159025a277c9b83410ca3db7a29b 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -214,6 +214,7 @@ struct pci_dev {
        unsigned int    broken_parity_status:1; /* Device generates false positive parity */
        unsigned int    msi_enabled:1;
        unsigned int    msix_enabled:1;
+       unsigned int    ari_enabled:1;  /* ARI forwarding */
        unsigned int    is_managed:1;
        unsigned int    is_pcie:1;
        pci_dev_flags_t dev_flags;
@@ -347,7 +348,6 @@ struct pci_bus_region {
 struct pci_dynids {
        spinlock_t lock;            /* protects list, index */
        struct list_head list;      /* for IDs added at runtime */
-       unsigned int use_driver_data:1; /* pci_device_id->driver_data is used */
 };
 
 /* ---------------------------------------------------------------- */
@@ -456,8 +456,8 @@ struct pci_driver {
 
 /**
  * PCI_VDEVICE - macro used to describe a specific pci device in short form
- * @vend: the vendor name
- * @dev: the 16 bit PCI Device ID
+ * @vendor: the vendor name
+ * @device: the 16 bit PCI Device ID
  *
  * This macro is used to create a struct pci_device_id that matches a
  * specific PCI device.  The subvendor, and subdevice fields will be set
@@ -534,7 +534,7 @@ extern void pci_sort_breadthfirst(void);
 #ifdef CONFIG_PCI_LEGACY
 struct pci_dev __deprecated *pci_find_device(unsigned int vendor,
                                             unsigned int device,
-                                            const struct pci_dev *from);
+                                            struct pci_dev *from);
 struct pci_dev __deprecated *pci_find_slot(unsigned int bus,
                                           unsigned int devfn);
 #endif /* CONFIG_PCI_LEGACY */
@@ -550,7 +550,7 @@ struct pci_dev *pci_get_device(unsigned int vendor, unsigned int device,
                                struct pci_dev *from);
 struct pci_dev *pci_get_subsys(unsigned int vendor, unsigned int device,
                                unsigned int ss_vendor, unsigned int ss_device,
-                               const struct pci_dev *from);
+                               struct pci_dev *from);
 struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
 struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
 struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from);
@@ -645,6 +645,7 @@ 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_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);
 int pci_back_from_sleep(struct pci_dev *dev);
@@ -725,7 +726,7 @@ enum pci_dma_burst_strategy {
 };
 
 struct msix_entry {
-       u16     vector; /* kernel uses to write allocated vector */
+       u32     vector; /* kernel uses to write allocated vector */
        u16     entry;  /* driver uses to specify entry, OS writes */
 };
 
@@ -818,7 +819,7 @@ _PCI_NOP_ALL(write,)
 
 static inline struct pci_dev *pci_find_device(unsigned int vendor,
                                              unsigned int device,
-                                             const struct pci_dev *from)
+                                             struct pci_dev *from)
 {
        return NULL;
 }
@@ -840,7 +841,7 @@ static inline struct pci_dev *pci_get_subsys(unsigned int vendor,
                                             unsigned int device,
                                             unsigned int ss_vendor,
                                             unsigned int ss_device,
-                                            const struct pci_dev *from)
+                                            struct pci_dev *from)
 {
        return NULL;
 }
@@ -1118,5 +1119,18 @@ static inline void pci_mmcfg_early_init(void) { }
 static inline void pci_mmcfg_late_init(void) { }
 #endif
 
+static inline void * 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 /* __KERNEL__ */
 #endif /* LINUX_PCI_H */