struct pcie_link_state;
struct pci_vpd;
struct pci_sriov;
+struct pci_ats;
/*
* The pci_dev structure is used to describe PCI devices.
unsigned int class; /* 3 bytes: (base,sub,prog-if) */
u8 revision; /* PCI revision, low byte of class word */
u8 hdr_type; /* PCI header type (`multi' flag masked out) */
+ u8 pcie_cap; /* PCI-E capability offset */
u8 pcie_type; /* PCI-E device/port type */
u8 rom_base_reg; /* which config register controls the ROM */
u8 pin; /* which interrupt pin this device uses */
unsigned int d1_support:1; /* Low power state D1 is supported */
unsigned int d2_support:1; /* Low power state D2 is supported */
unsigned int no_d1d2:1; /* Only allow D0 and D3 */
+ unsigned int wakeup_prepared:1;
+ unsigned int d3_delay; /* D3->D0 transition time in ms */
#ifdef CONFIG_PCIEASPM
struct pcie_link_state *link_state; /* ASPM link state. */
unsigned int ari_enabled:1; /* ARI forwarding */
unsigned int is_managed:1;
unsigned int is_pcie:1;
+ unsigned int needs_freset:1; /* Dev requires fundamental reset */
unsigned int state_saved:1;
unsigned int is_physfn:1;
unsigned int is_virtfn:1;
+ unsigned int reset_fn:1;
+ unsigned int is_hotplug_bridge:1;
+ unsigned int aer_firmware_first:1;
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
struct pci_sriov *sriov; /* SR-IOV capability related */
struct pci_dev *physfn; /* the PF this VF is associated with */
};
+ struct pci_ats *ats; /* Address Translation Service */
#endif
};
resource_size_t);
void pcibios_update_irq(struct pci_dev *, int irq);
+/* Weak but can be overriden by arch */
+void pci_fixup_cardbus(struct pci_bus *);
+
/* Generic PCI functions used internally */
extern struct pci_bus *pci_find_bus(int domain, int busnr);
unsigned int ss_vendor, unsigned int ss_device,
struct pci_dev *from);
struct pci_dev *pci_get_slot(struct pci_bus *bus, unsigned int devfn);
-struct pci_dev *pci_get_bus_and_slot(unsigned int bus, unsigned int devfn);
+struct pci_dev *pci_get_domain_bus_and_slot(int domain, unsigned int bus,
+ unsigned int devfn);
+static inline struct pci_dev *pci_get_bus_and_slot(unsigned int bus,
+ unsigned int devfn)
+{
+ return pci_get_domain_bus_and_slot(0, bus, devfn);
+}
struct pci_dev *pci_get_class(unsigned int class, struct pci_dev *from);
int pci_dev_present(const struct pci_device_id *ids);
void pci_set_master(struct pci_dev *dev);
void pci_clear_master(struct pci_dev *dev);
int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state);
+int pci_set_cacheline_size(struct pci_dev *dev);
#define HAVE_PCI_SET_MWI
int __must_check pci_set_mwi(struct pci_dev *dev);
int pci_try_set_mwi(struct pci_dev *dev);
void pci_unregister_driver(struct pci_driver *dev);
void pci_remove_behind_bridge(struct pci_dev *dev);
struct pci_driver *pci_dev_driver(const struct pci_dev *dev);
+int pci_add_dynid(struct pci_driver *drv,
+ unsigned int vendor, unsigned int device,
+ unsigned int subvendor, unsigned int subdevice,
+ unsigned int class, unsigned int class_mask,
+ unsigned long driver_data);
const struct pci_device_id *pci_match_id(const struct pci_device_id *ids,
struct pci_dev *dev);
int pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
int pci_cfg_space_size(struct pci_dev *dev);
unsigned char pci_bus_max_busnr(struct pci_bus *bus);
+int pci_set_vga_state(struct pci_dev *pdev, bool decode,
+ unsigned int command_bits, bool change_bridge);
/* kmem_cache style wrapper around pci_alloc_consistent() */
#include <linux/dmapool.h>
/* If you want to know what to call your pci_dev, ask this function.
* Again, it's a wrapper around the generic device.
*/
-static inline const char *pci_name(struct pci_dev *pdev)
+static inline const char *pci_name(const struct pci_dev *pdev)
{
return dev_name(&pdev->dev);
}
extern unsigned long pci_cardbus_io_size;
extern unsigned long pci_cardbus_mem_size;
+extern u8 __devinitdata pci_dfl_cache_line_size;
+extern u8 pci_cache_line_size;
+
+extern unsigned long pci_hotplug_io_size;
+extern unsigned long pci_hotplug_mem_size;
int pcibios_add_platform_entries(struct pci_dev *dev);
void pcibios_disable_device(struct pci_dev *dev);
extern void pci_hp_remove_module_link(struct pci_slot *pci_slot);
#endif
+/**
+ * pci_pcie_cap - get the saved PCIe capability offset
+ * @dev: PCI device
+ *
+ * PCIe capability offset is calculated at PCI device initialization
+ * time and saved in the data structure. This function returns saved
+ * PCIe capability offset. Using this instead of pci_find_capability()
+ * reduces unnecessary search in the PCI configuration space. If you
+ * need to calculate PCIe capability offset from raw device for some
+ * reasons, please use pci_find_capability() instead.
+ */
+static inline int pci_pcie_cap(struct pci_dev *dev)
+{
+ return dev->pcie_cap;
+}
+
+/**
+ * pci_is_pcie - check if the PCI device is PCI Express capable
+ * @dev: PCI device
+ *
+ * Retrun true if the PCI device is PCI Express capable, false otherwise.
+ */
+static inline bool pci_is_pcie(struct pci_dev *dev)
+{
+ return !!pci_pcie_cap(dev);
+}
+
+void pci_request_acs(void);
+
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */
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