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Diffstat (limited to 'include/linux/pcieport_if.h')
-rw-r--r--include/linux/pcieport_if.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/linux/pcieport_if.h b/include/linux/pcieport_if.h
new file mode 100644
index 000000000000..cd3eafc2c233
--- /dev/null
+++ b/include/linux/pcieport_if.h
@@ -0,0 +1,74 @@
+/*
+ * File: pcieport_if.h
+ * Purpose: PCI Express Port Bus Driver's IF Data Structure
+ *
+ * Copyright (C) 2004 Intel
+ * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
+ */
+
+#ifndef _PCIEPORT_IF_H_
+#define _PCIEPORT_IF_H_
+
+/* Port Type */
+#define PCIE_RC_PORT 4 /* Root port of RC */
+#define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */
+#define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */
+#define PCIE_ANY_PORT 7
+
+/* Service Type */
+#define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */
+#define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */
+#define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */
+#define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */
+
+/* Root/Upstream/Downstream Port's Interrupt Mode */
+#define PCIE_PORT_INTx_MODE 0
+#define PCIE_PORT_MSI_MODE 1
+#define PCIE_PORT_MSIX_MODE 2
+
+struct pcie_port_service_id {
+ __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
+ __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
+ __u32 class, class_mask; /* (class,subclass,prog-if) triplet */
+ __u32 port_type, service_type; /* Port Entity */
+ kernel_ulong_t driver_data;
+};
+
+struct pcie_device {
+ int irq; /* Service IRQ/MSI/MSI-X Vector */
+ int interrupt_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
+ struct pcie_port_service_id id; /* Service ID */
+ struct pci_dev *port; /* Root/Upstream/Downstream Port */
+ void *priv_data; /* Service Private Data */
+ struct device device; /* Generic Device Interface */
+};
+#define to_pcie_device(d) container_of(d, struct pcie_device, device)
+
+static inline void set_service_data(struct pcie_device *dev, void *data)
+{
+ dev->priv_data = data;
+}
+
+static inline void* get_service_data(struct pcie_device *dev)
+{
+ return dev->priv_data;
+}
+
+struct pcie_port_service_driver {
+ const char *name;
+ int (*probe) (struct pcie_device *dev,
+ const struct pcie_port_service_id *id);
+ void (*remove) (struct pcie_device *dev);
+ int (*suspend) (struct pcie_device *dev, u32 state);
+ int (*resume) (struct pcie_device *dev);
+
+ const struct pcie_port_service_id *id_table;
+ struct device_driver driver;
+};
+#define to_service_driver(d) \
+ container_of(d, struct pcie_port_service_driver, driver)
+
+extern int pcie_port_service_register(struct pcie_port_service_driver *new);
+extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
+
+#endif /* _PCIEPORT_IF_H_ */