include/linux/pcieport_if.h
changeset 0 aa628870c1d3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/linux/pcieport_if.h	Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,80 @@
+/*
+ * 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, pm_message_t state);
+	int (*resume) (struct pcie_device *dev);
+
+	/* Service Error Recovery Handler */
+	struct pci_error_handlers *err_handler;
+
+	/* Link Reset Capability - AER service driver specific */
+	pci_ers_result_t (*reset_link) (struct pci_dev *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_ */