3 * Purpose: PCI Express Port Bus Driver's IF Data Structure
5 * Copyright (C) 2004 Intel
6 * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
9 #ifndef _PCIEPORT_IF_H_
10 #define _PCIEPORT_IF_H_
13 #define PCIE_RC_PORT 4 /* Root port of RC */
14 #define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */
15 #define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */
16 #define PCIE_ANY_PORT 7
19 #define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */
20 #define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */
21 #define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */
22 #define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */
24 /* Root/Upstream/Downstream Port's Interrupt Mode */
25 #define PCIE_PORT_NO_IRQ (-1)
26 #define PCIE_PORT_INTx_MODE 0
27 #define PCIE_PORT_MSI_MODE 1
28 #define PCIE_PORT_MSIX_MODE 2
30 struct pcie_port_data {
31 int port_type; /* Type of the port */
32 int port_irq_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
36 int irq; /* Service IRQ/MSI/MSI-X Vector */
37 struct pci_dev *port; /* Root/Upstream/Downstream Port */
38 u32 service; /* Port service this device represents */
39 void *priv_data; /* Service Private Data */
40 struct device device; /* Generic Device Interface */
42 #define to_pcie_device(d) container_of(d, struct pcie_device, device)
44 static inline void set_service_data(struct pcie_device *dev, void *data)
46 dev->priv_data = data;
49 static inline void* get_service_data(struct pcie_device *dev)
51 return dev->priv_data;
54 struct pcie_port_service_driver {
56 int (*probe) (struct pcie_device *dev);
57 void (*remove) (struct pcie_device *dev);
58 int (*suspend) (struct pcie_device *dev, pm_message_t state);
59 int (*resume) (struct pcie_device *dev);
61 /* Service Error Recovery Handler */
62 struct pci_error_handlers *err_handler;
64 /* Link Reset Capability - AER service driver specific */
65 pci_ers_result_t (*reset_link) (struct pci_dev *dev);
67 int port_type; /* Type of the port this driver can handle */
68 u32 service; /* Port service this device represents */
70 struct device_driver driver;
72 #define to_service_driver(d) \
73 container_of(d, struct pcie_port_service_driver, driver)
75 extern int pcie_port_service_register(struct pcie_port_service_driver *new);
76 extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
78 #endif /* _PCIEPORT_IF_H_ */