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/*
* 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_ANY_PORT (~0)
/* Service Type */
#define PCIE_PORT_SERVICE_PME_SHIFT 0 /* Power Management Event */
#define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT)
#define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */
#define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT)
#define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */
#define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT)
#define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */
#define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT)
struct pcie_device {
int irq; /* Service IRQ/MSI/MSI-X Vector */
struct pci_dev *port; /* Root/Upstream/Downstream Port */
u32 service; /* Port service this device represents */
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);
void (*remove) (struct pcie_device *dev);
int (*suspend) (struct pcie_device *dev);
int (*resume) (struct pcie_device *dev);
/* Service Error Recovery Handler */
const struct pci_error_handlers *err_handler;
/* Link Reset Capability - AER service driver specific */
pci_ers_result_t (*reset_link) (struct pci_dev *dev);
int port_type; /* Type of the port this driver can handle */
u32 service; /* Port service this device represents */
struct device_driver driver;
};
#define to_service_driver(d) \
container_of(d, struct pcie_port_service_driver, driver)
int pcie_port_service_register(struct pcie_port_service_driver *new);
void pcie_port_service_unregister(struct pcie_port_service_driver *new);
#endif /* _PCIEPORT_IF_H_ */