PCI: introduce an pci_ioremap(pdev, barnr) function

[linux-2.6-omap-h63xx.git] / include / linux / pci.h

diff --git a/include/linux/pci.h b/include/linux/pci.h
index f7e7dbc09194e553101c283f9e3580cdc251edf0..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;
@@ -455,8 +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
@@ -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 */
 };
 
@@ -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 */