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_SHIFT 0 /* Power Management Event */
20 #define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT)
21 #define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */
22 #define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT)
23 #define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */
24 #define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT)
25 #define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */
26 #define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT)
28 /* Root/Upstream/Downstream Port's Interrupt Mode */
29 #define PCIE_PORT_NO_IRQ (-1)
30 #define PCIE_PORT_INTx_MODE 0
31 #define PCIE_PORT_MSI_MODE 1
32 #define PCIE_PORT_MSIX_MODE 2
34 struct pcie_port_data {
35 int port_type; /* Type of the port */
36 int port_irq_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
40 int irq; /* Service IRQ/MSI/MSI-X Vector */
41 struct pci_dev *port; /* Root/Upstream/Downstream Port */
42 u32 service; /* Port service this device represents */
43 void *priv_data; /* Service Private Data */
44 struct device device; /* Generic Device Interface */
46 #define to_pcie_device(d) container_of(d, struct pcie_device, device)
48 static inline void set_service_data(struct pcie_device *dev, void *data)
50 dev->priv_data = data;
53 static inline void* get_service_data(struct pcie_device *dev)
55 return dev->priv_data;
58 struct pcie_port_service_driver {
60 int (*probe) (struct pcie_device *dev);
61 void (*remove) (struct pcie_device *dev);
62 int (*suspend) (struct pcie_device *dev);
63 int (*resume) (struct pcie_device *dev);
65 /* Service Error Recovery Handler */
66 struct pci_error_handlers *err_handler;
68 /* Link Reset Capability - AER service driver specific */
69 pci_ers_result_t (*reset_link) (struct pci_dev *dev);
71 int port_type; /* Type of the port this driver can handle */
72 u32 service; /* Port service this device represents */
74 struct device_driver driver;
76 #define to_service_driver(d) \
77 container_of(d, struct pcie_port_service_driver, driver)
79 extern int pcie_port_service_register(struct pcie_port_service_driver *new);
80 extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
82 #endif /* _PCIEPORT_IF_H_ */