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10126ac14d
Add the Downstream Port Containment (PCIE_PORT_SERVICE_DPC) portdrv service type, available if the device has the DPC extended capability. [bhelgaas: split to separate patch, changelog] Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
71 lines
2.3 KiB
C
71 lines
2.3 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_ANY_PORT (~0)
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/* Service Type */
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#define PCIE_PORT_SERVICE_PME_SHIFT 0 /* Power Management Event */
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#define PCIE_PORT_SERVICE_PME (1 << PCIE_PORT_SERVICE_PME_SHIFT)
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#define PCIE_PORT_SERVICE_AER_SHIFT 1 /* Advanced Error Reporting */
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#define PCIE_PORT_SERVICE_AER (1 << PCIE_PORT_SERVICE_AER_SHIFT)
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#define PCIE_PORT_SERVICE_HP_SHIFT 2 /* Native Hotplug */
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#define PCIE_PORT_SERVICE_HP (1 << PCIE_PORT_SERVICE_HP_SHIFT)
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#define PCIE_PORT_SERVICE_VC_SHIFT 3 /* Virtual Channel */
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#define PCIE_PORT_SERVICE_VC (1 << PCIE_PORT_SERVICE_VC_SHIFT)
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#define PCIE_PORT_SERVICE_DPC_SHIFT 4 /* Downstream Port Containment */
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#define PCIE_PORT_SERVICE_DPC (1 << PCIE_PORT_SERVICE_DPC_SHIFT)
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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);
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int (*resume) (struct pcie_device *dev);
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/* Service Error Recovery Handler */
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const 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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int pcie_port_service_register(struct pcie_port_service_driver *new);
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void pcie_port_service_unregister(struct pcie_port_service_driver *new);
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#endif /* _PCIEPORT_IF_H_ */
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