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22106368c9
The PCI Express port driver uses 'struct pcie_port_service_id' for matching port service devices and drivers, but this structure contains fields that duplicate information from the port device itself (vendor, device, subvendor, subdevice) and fields that are not used by any existing port service driver (class, class_mask, drvier_data). Also, both existing port service drivers (AER and PCIe HP) don't even use the vendor and device fields for device matching. Therefore 'struct pcie_port_service_id' can be removed altogether and the only useful members of it (port_type, service) can be introduced directly into the port service device and port service driver structures. That simplifies the code quite a bit and reduces its size. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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* File: pcieport_if.h
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* Purpose: PCI Express Port Bus Driver's IF Data Structure
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*
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* Copyright (C) 2004 Intel
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* Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
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*/
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#ifndef _PCIEPORT_IF_H_
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#define _PCIEPORT_IF_H_
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/* Port Type */
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#define PCIE_RC_PORT 4 /* Root port of RC */
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#define PCIE_SW_UPSTREAM_PORT 5 /* Upstream port of Switch */
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#define PCIE_SW_DOWNSTREAM_PORT 6 /* Downstream port of Switch */
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#define PCIE_ANY_PORT 7
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/* Service Type */
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#define PCIE_PORT_SERVICE_PME 1 /* Power Management Event */
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#define PCIE_PORT_SERVICE_AER 2 /* Advanced Error Reporting */
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#define PCIE_PORT_SERVICE_HP 4 /* Native Hotplug */
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#define PCIE_PORT_SERVICE_VC 8 /* Virtual Channel */
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/* Root/Upstream/Downstream Port's Interrupt Mode */
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#define PCIE_PORT_NO_IRQ (-1)
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#define PCIE_PORT_INTx_MODE 0
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#define PCIE_PORT_MSI_MODE 1
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#define PCIE_PORT_MSIX_MODE 2
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struct pcie_port_data {
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int port_type; /* Type of the port */
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int port_irq_mode; /* [0:INTx | 1:MSI | 2:MSI-X] */
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};
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struct pcie_device {
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int irq; /* Service IRQ/MSI/MSI-X Vector */
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struct pci_dev *port; /* Root/Upstream/Downstream Port */
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u32 service; /* Port service this device represents */
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void *priv_data; /* Service Private Data */
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struct device device; /* Generic Device Interface */
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};
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#define to_pcie_device(d) container_of(d, struct pcie_device, device)
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static inline void set_service_data(struct pcie_device *dev, void *data)
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{
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dev->priv_data = data;
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}
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static inline void* get_service_data(struct pcie_device *dev)
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{
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return dev->priv_data;
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}
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struct pcie_port_service_driver {
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const char *name;
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int (*probe) (struct pcie_device *dev);
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void (*remove) (struct pcie_device *dev);
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int (*suspend) (struct pcie_device *dev, pm_message_t state);
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int (*resume) (struct pcie_device *dev);
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/* Service Error Recovery Handler */
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struct pci_error_handlers *err_handler;
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/* Link Reset Capability - AER service driver specific */
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pci_ers_result_t (*reset_link) (struct pci_dev *dev);
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int port_type; /* Type of the port this driver can handle */
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u32 service; /* Port service this device represents */
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struct device_driver driver;
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};
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#define to_service_driver(d) \
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container_of(d, struct pcie_port_service_driver, driver)
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extern int pcie_port_service_register(struct pcie_port_service_driver *new);
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extern void pcie_port_service_unregister(struct pcie_port_service_driver *new);
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#endif /* _PCIEPORT_IF_H_ */
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