X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=include%2Flinux%2Fpci.h;h=c79d83304e5293330f38ebb73a630daa499c9a6c;hb=abfbb29297c27e3f101f348dc9e467b0fe70f919;hp=83ce1cdf567618052c65a2609ea4b1bd70cfe2ab;hpb=1742bcd0cb3047d86e9d17d07fd46710c7ffad1e;p=linux-2.6-microblaze.git

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 83ce1cdf5676..c79d83304e52 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -100,9 +100,21 @@ enum {
 	PCI_IOV_RESOURCE_END = PCI_IOV_RESOURCES + PCI_SRIOV_NUM_BARS - 1,
 #endif
 
-	/* Resources assigned to buses behind the bridge */
+/* PCI-to-PCI (P2P) bridge windows */
+#define PCI_BRIDGE_IO_WINDOW		(PCI_BRIDGE_RESOURCES + 0)
+#define PCI_BRIDGE_MEM_WINDOW		(PCI_BRIDGE_RESOURCES + 1)
+#define PCI_BRIDGE_PREF_MEM_WINDOW	(PCI_BRIDGE_RESOURCES + 2)
+
+/* CardBus bridge windows */
+#define PCI_CB_BRIDGE_IO_0_WINDOW	(PCI_BRIDGE_RESOURCES + 0)
+#define PCI_CB_BRIDGE_IO_1_WINDOW	(PCI_BRIDGE_RESOURCES + 1)
+#define PCI_CB_BRIDGE_MEM_0_WINDOW	(PCI_BRIDGE_RESOURCES + 2)
+#define PCI_CB_BRIDGE_MEM_1_WINDOW	(PCI_BRIDGE_RESOURCES + 3)
+
+/* Total number of bridge resources for P2P and CardBus */
 #define PCI_BRIDGE_RESOURCE_NUM 4
 
+	/* Resources assigned to buses behind the bridge */
 	PCI_BRIDGE_RESOURCES,
 	PCI_BRIDGE_RESOURCE_END = PCI_BRIDGE_RESOURCES +
 				  PCI_BRIDGE_RESOURCE_NUM - 1,
@@ -279,7 +291,7 @@ struct pci_cap_saved_data {
 	u16		cap_nr;
 	bool		cap_extended;
 	unsigned int	size;
-	u32		data[0];
+	u32		data[];
 };
 
 struct pci_cap_saved_state {
@@ -420,8 +432,6 @@ struct pci_dev {
 	 * mappings to make sure they cannot access arbitrary memory.
 	 */
 	unsigned int	untrusted:1;
-	unsigned int	__aer_firmware_first_valid:1;
-	unsigned int	__aer_firmware_first:1;
 	unsigned int	broken_intx_masking:1;	/* INTx masking can't be used */
 	unsigned int	io_window_1k:1;		/* Intel bridge 1K I/O windows */
 	unsigned int	irq_managed:1;
@@ -532,7 +542,7 @@ struct pci_host_bridge {
 			resource_size_t start,
 			resource_size_t size,
 			resource_size_t align);
-	unsigned long	private[0] ____cacheline_aligned;
+	unsigned long	private[] ____cacheline_aligned;
 };
 
 #define	to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev)
@@ -1025,7 +1035,6 @@ void pci_bus_add_device(struct pci_dev *dev);
 void pci_read_bridge_bases(struct pci_bus *child);
 struct resource *pci_find_parent_resource(const struct pci_dev *dev,
 					  struct resource *res);
-struct pci_dev *pci_find_pcie_root_port(struct pci_dev *dev);
 u8 pci_swizzle_interrupt_pin(const 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);
@@ -2048,6 +2057,8 @@ int pci_iov_virtfn_devfn(struct pci_dev *dev, int id);
 
 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
 void pci_disable_sriov(struct pci_dev *dev);
+
+int pci_iov_sysfs_link(struct pci_dev *dev, struct pci_dev *virtfn, int id);
 int pci_iov_add_virtfn(struct pci_dev *dev, int id);
 void pci_iov_remove_virtfn(struct pci_dev *dev, int id);
 int pci_num_vf(struct pci_dev *dev);
@@ -2073,6 +2084,12 @@ static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
 }
 static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
 { return -ENODEV; }
+
+static inline int pci_iov_sysfs_link(struct pci_dev *dev,
+				     struct pci_dev *virtfn, int id)
+{
+	return -ENODEV;
+}
 static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id)
 {
 	return -ENOSYS;
@@ -2143,17 +2160,23 @@ static inline int pci_pcie_type(const struct pci_dev *dev)
 	return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
 }
 
+/**
+ * pcie_find_root_port - Get the PCIe root port device
+ * @dev: PCI device
+ *
+ * Traverse up the parent chain and return the PCIe Root Port PCI Device
+ * for a given PCI/PCIe Device.
+ */
 static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
 {
-	while (1) {
-		if (!pci_is_pcie(dev))
-			break;
-		if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
-			return dev;
-		if (!dev->bus->self)
-			break;
-		dev = dev->bus->self;
+	struct pci_dev *bridge = pci_upstream_bridge(dev);
+
+	while (bridge) {
+		if (pci_pcie_type(bridge) == PCI_EXP_TYPE_ROOT_PORT)
+			return bridge;
+		bridge = pci_upstream_bridge(bridge);
 	}
+
 	return NULL;
 }