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TOMOYO Linux Cross Reference
Linux/include/linux/pcieport_if.h

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  1 /*
  2  * File:        pcieport_if.h
  3  * Purpose:     PCI Express Port Bus Driver's IF Data Structure
  4  *
  5  * Copyright (C) 2004 Intel
  6  * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
  7  */
  8 
  9 #ifndef _PCIEPORT_IF_H_
 10 #define _PCIEPORT_IF_H_
 11 
 12 /* Port Type */
 13 #define PCIE_ANY_PORT                   (~0)
 14 
 15 /* Service Type */
 16 #define PCIE_PORT_SERVICE_PME_SHIFT     0       /* Power Management Event */
 17 #define PCIE_PORT_SERVICE_PME           (1 << PCIE_PORT_SERVICE_PME_SHIFT)
 18 #define PCIE_PORT_SERVICE_AER_SHIFT     1       /* Advanced Error Reporting */
 19 #define PCIE_PORT_SERVICE_AER           (1 << PCIE_PORT_SERVICE_AER_SHIFT)
 20 #define PCIE_PORT_SERVICE_HP_SHIFT      2       /* Native Hotplug */
 21 #define PCIE_PORT_SERVICE_HP            (1 << PCIE_PORT_SERVICE_HP_SHIFT)
 22 #define PCIE_PORT_SERVICE_VC_SHIFT      3       /* Virtual Channel */
 23 #define PCIE_PORT_SERVICE_VC            (1 << PCIE_PORT_SERVICE_VC_SHIFT)
 24 #define PCIE_PORT_SERVICE_DPC_SHIFT     4       /* Downstream Port Containment */
 25 #define PCIE_PORT_SERVICE_DPC           (1 << PCIE_PORT_SERVICE_DPC_SHIFT)
 26 
 27 struct pcie_device {
 28         int             irq;        /* Service IRQ/MSI/MSI-X Vector */
 29         struct pci_dev *port;       /* Root/Upstream/Downstream Port */
 30         u32             service;    /* Port service this device represents */
 31         void            *priv_data; /* Service Private Data */
 32         struct device   device;     /* Generic Device Interface */
 33 };
 34 #define to_pcie_device(d) container_of(d, struct pcie_device, device)
 35 
 36 static inline void set_service_data(struct pcie_device *dev, void *data)
 37 {
 38         dev->priv_data = data;
 39 }
 40 
 41 static inline void* get_service_data(struct pcie_device *dev)
 42 {
 43         return dev->priv_data;
 44 }
 45 
 46 struct pcie_port_service_driver {
 47         const char *name;
 48         int (*probe) (struct pcie_device *dev);
 49         void (*remove) (struct pcie_device *dev);
 50         int (*suspend) (struct pcie_device *dev);
 51         int (*resume) (struct pcie_device *dev);
 52 
 53         /* Service Error Recovery Handler */
 54         const struct pci_error_handlers *err_handler;
 55 
 56         /* Link Reset Capability - AER service driver specific */
 57         pci_ers_result_t (*reset_link) (struct pci_dev *dev);
 58 
 59         int port_type;  /* Type of the port this driver can handle */
 60         u32 service;    /* Port service this device represents */
 61 
 62         struct device_driver driver;
 63 };
 64 #define to_service_driver(d) \
 65         container_of(d, struct pcie_port_service_driver, driver)
 66 
 67 int pcie_port_service_register(struct pcie_port_service_driver *new);
 68 void pcie_port_service_unregister(struct pcie_port_service_driver *new);
 69 
 70 #endif /* _PCIEPORT_IF_H_ */
 71 

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