diff options
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 57 |
1 files changed, 48 insertions, 9 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 6755cf5ac10..cfc2297c3e2 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -17,8 +17,7 @@ #ifndef LINUX_PCI_H #define LINUX_PCI_H -/* Include the pci register defines */ -#include <linux/pci_regs.h> +#include <linux/pci_regs.h> /* The pci register defines */ /* * The PCI interface treats multi-function devices as independent @@ -49,12 +48,22 @@ #include <linux/list.h> #include <linux/compiler.h> #include <linux/errno.h> +#include <linux/kobject.h> #include <asm/atomic.h> #include <linux/device.h> /* Include the ID list */ #include <linux/pci_ids.h> +/* pci_slot represents a physical slot */ +struct pci_slot { + struct pci_bus *bus; /* The bus this slot is on */ + struct list_head list; /* node in list of slots on this bus */ + struct hotplug_slot *hotplug; /* Hotplug info (migrate over time) */ + unsigned char number; /* PCI_SLOT(pci_dev->devfn) */ + struct kobject kobj; +}; + /* File state for mmap()s on /proc/bus/pci/X/Y */ enum pci_mmap_state { pci_mmap_io, @@ -147,6 +156,7 @@ struct pci_dev { void *sysdata; /* hook for sys-specific extension */ struct proc_dir_entry *procent; /* device entry in /proc/bus/pci */ + struct pci_slot *slot; /* Physical slot this device is in */ unsigned int devfn; /* encoded device & function index */ unsigned short vendor; @@ -172,6 +182,13 @@ struct pci_dev { pci_power_t current_state; /* Current operating state. In ACPI-speak, this is D0-D3, D0 being fully functional, and D3 being off. */ + int pm_cap; /* PM capability offset in the + configuration space */ + unsigned int pme_support:5; /* Bitmask of states from which PME# + can be generated */ + 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 */ #ifdef CONFIG_PCIEASPM struct pcie_link_state *link_state; /* ASPM link state. */ @@ -196,7 +213,6 @@ struct pci_dev { unsigned int is_added:1; unsigned int is_busmaster:1; /* device is busmaster */ unsigned int no_msi:1; /* device may not use msi */ - unsigned int no_d1d2:1; /* only allow d0 or d3 */ unsigned int block_ucfg_access:1; /* userspace config space access is blocked */ unsigned int broken_parity_status:1; /* Device generates false positive parity */ unsigned int irq_reroute_variant:2; /* device needs IRQ rerouting variant */ @@ -273,6 +289,7 @@ struct pci_bus { struct list_head children; /* list of child buses */ struct list_head devices; /* list of devices on this bus */ struct pci_dev *self; /* bridge device as seen by parent */ + struct list_head slots; /* list of slots on this bus */ struct resource *resource[PCI_BUS_NUM_RESOURCES]; /* address space routed to this bus */ @@ -334,7 +351,7 @@ struct pci_bus_region { struct pci_dynids { spinlock_t lock; /* protects list, index */ struct list_head list; /* for IDs added at runtime */ - unsigned int use_driver_data:1; /* pci_driver->driver_data is used */ + unsigned int use_driver_data:1; /* pci_device_id->driver_data is used */ }; /* ---------------------------------------------------------------- */ @@ -396,7 +413,7 @@ struct pci_driver { int (*resume_early) (struct pci_dev *dev); int (*resume) (struct pci_dev *dev); /* Device woken up */ void (*shutdown) (struct pci_dev *dev); - + struct pm_ext_ops *pm; struct pci_error_handlers *err_handler; struct device_driver driver; struct pci_dynids dynids; @@ -495,6 +512,10 @@ struct pci_bus *pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata); struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr); +struct pci_slot *pci_create_slot(struct pci_bus *parent, int slot_nr, + const char *name); +void pci_destroy_slot(struct pci_slot *slot); +void pci_update_slot_number(struct pci_slot *slot, int slot_nr); int pci_scan_slot(struct pci_bus *bus, int devfn); struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn); void pci_device_add(struct pci_dev *dev, struct pci_bus *bus); @@ -624,6 +645,8 @@ int pci_restore_state(struct pci_dev *dev); int pci_set_power_state(struct pci_dev *dev, pci_power_t state); pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state); int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable); +int pci_prepare_to_sleep(struct pci_dev *dev); +int pci_back_from_sleep(struct pci_dev *dev); /* Functions for PCI Hotplug drivers to use */ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); @@ -845,6 +868,11 @@ static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) return -EIO; } +static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) +{ + return -EIO; +} + static inline int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size) { @@ -983,9 +1011,9 @@ static inline void pci_set_drvdata(struct pci_dev *pdev, void *data) /* 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 char *pci_name(struct pci_dev *pdev) +static inline const char *pci_name(struct pci_dev *pdev) { - return pdev->dev.bus_id; + return dev_name(&pdev->dev); } @@ -1020,7 +1048,9 @@ enum pci_fixup_pass { pci_fixup_header, /* After reading configuration header */ pci_fixup_final, /* Final phase of device fixups */ pci_fixup_enable, /* pci_enable_device() time */ - pci_fixup_resume, /* pci_enable_device() time */ + pci_fixup_resume, /* pci_device_resume() */ + pci_fixup_suspend, /* pci_device_suspend */ + pci_fixup_resume_early, /* pci_device_resume_early() */ }; /* Anonymous variables would be nice... */ @@ -1042,6 +1072,12 @@ enum pci_fixup_pass { #define DECLARE_PCI_FIXUP_RESUME(vendor, device, hook) \ DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume, \ resume##vendor##device##hook, vendor, device, hook) +#define DECLARE_PCI_FIXUP_RESUME_EARLY(vendor, device, hook) \ + DECLARE_PCI_FIXUP_SECTION(.pci_fixup_resume_early, \ + resume_early##vendor##device##hook, vendor, device, hook) +#define DECLARE_PCI_FIXUP_SUSPEND(vendor, device, hook) \ + DECLARE_PCI_FIXUP_SECTION(.pci_fixup_suspend, \ + suspend##vendor##device##hook, vendor, device, hook) void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev); @@ -1066,7 +1102,10 @@ extern int pci_pci_problems; extern unsigned long pci_cardbus_io_size; extern unsigned long pci_cardbus_mem_size; -extern int pcibios_add_platform_entries(struct pci_dev *dev); +int pcibios_add_platform_entries(struct pci_dev *dev); +void pcibios_disable_device(struct pci_dev *dev); +int pcibios_set_pcie_reset_state(struct pci_dev *dev, + enum pcie_reset_state state); #ifdef CONFIG_PCI_MMCONFIG extern void __init pci_mmcfg_early_init(void); |