diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 01:26:37 +0200 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-08-27 01:26:37 +0200 |
commit | abe5430e9d5314190ca571b3bfc0c42000634378 (patch) | |
tree | b78f767e96d5a99d6440bfdfdb99d6b7acfae500 /drivers/pci/hotplug/acpiphp.h | |
parent | c92f56cbdfc08c8c207c9476c69c99fdbadbd77b (diff) | |
parent | ad07277e82dedabacc52c82746633680a3187d25 (diff) |
Merge branch 'acpi-pci-hotplug'
* acpi-pci-hotplug: (34 commits)
ACPI / PM: Hold acpi_scan_lock over system PM transitions
ACPI / hotplug / PCI: Fix NULL pointer dereference in cleanup_bridge()
PCI / ACPI: Use dev_dbg() instead of dev_info() in acpi_pci_set_power_state()
ACPI / hotplug / PCI: Get rid of check_sub_bridges()
ACPI / hotplug / PCI: Clean up bridge_mutex usage
ACPI / hotplug / PCI: Redefine enable_device() and disable_device()
ACPI / hotplug / PCI: Sanitize acpiphp_get_(latch)|(adapter)_status()
ACPI / hotplug / PCI: Get rid of unused constants in acpiphp.h
ACPI / hotplug / PCI: Check for new devices on enabled slots
ACPI / hotplug / PCI: Allow slots without new devices to be rescanned
ACPI / hotplug / PCI: Do not check SLOT_ENABLED in enable_device()
ACPI / hotplug / PCI: Do not exectute _PS0 and _PS3 directly
ACPI / hotplug / PCI: Do not queue up event handling work items in vain
ACPI / hotplug / PCI: Consolidate slot disabling and ejecting
ACPI / hotplug / PCI: Drop redundant checks from check_hotplug_bridge()
ACPI / hotplug / PCI: Rework namespace scanning and trimming routines
ACPI / hotplug / PCI: Store parent in functions and bus in slots
ACPI / hotplug / PCI: Drop handle field from struct acpiphp_bridge
ACPI / hotplug / PCI: Drop handle field from struct acpiphp_func
ACPI / hotplug / PCI: Embed function struct into struct acpiphp_context
...
Diffstat (limited to 'drivers/pci/hotplug/acpiphp.h')
-rw-r--r-- | drivers/pci/hotplug/acpiphp.h | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 6c781edabcc..f4e02892466 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -49,6 +49,7 @@ #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg) #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) +struct acpiphp_context; struct acpiphp_bridge; struct acpiphp_slot; @@ -59,6 +60,7 @@ struct slot { struct hotplug_slot *hotplug_slot; struct acpiphp_slot *acpi_slot; struct hotplug_slot_info info; + unsigned int sun; /* ACPI _SUN (Slot User Number) value */ }; static inline const char *slot_name(struct slot *slot) @@ -75,15 +77,11 @@ struct acpiphp_bridge { struct list_head list; struct list_head slots; struct kref ref; - acpi_handle handle; - /* Ejectable PCI-to-PCI bridge (PCI bridge and PCI function) */ - struct acpiphp_func *func; + struct acpiphp_context *context; int nr_slots; - u32 flags; - /* This bus (host bridge) or Secondary bus (PCI-to-PCI bridge) */ struct pci_bus *pci_bus; @@ -99,15 +97,13 @@ struct acpiphp_bridge { */ struct acpiphp_slot { struct list_head node; - struct acpiphp_bridge *bridge; /* parent */ + struct pci_bus *bus; struct list_head funcs; /* one slot may have different objects (i.e. for each function) */ struct slot *slot; struct mutex crit_sect; u8 device; /* pci device# */ - - unsigned long long sun; /* ACPI _SUN (slot unique number) */ u32 flags; /* see below */ }; @@ -119,15 +115,32 @@ struct acpiphp_slot { * typically 8 objects per slot (i.e. for each PCI function) */ struct acpiphp_func { - struct acpiphp_slot *slot; /* parent */ + struct acpiphp_bridge *parent; + struct acpiphp_slot *slot; struct list_head sibling; - acpi_handle handle; u8 function; /* pci function# */ u32 flags; /* see below */ }; +struct acpiphp_context { + acpi_handle handle; + struct acpiphp_func func; + struct acpiphp_bridge *bridge; + unsigned int refcount; +}; + +static inline struct acpiphp_context *func_to_context(struct acpiphp_func *func) +{ + return container_of(func, struct acpiphp_context, func); +} + +static inline acpi_handle func_to_handle(struct acpiphp_func *func) +{ + return func_to_context(func)->handle; +} + /* * struct acpiphp_attention_info - device specific attention registration * @@ -141,45 +154,32 @@ struct acpiphp_attention_info struct module *owner; }; -/* PCI bus bridge HID */ -#define ACPI_PCI_HOST_HID "PNP0A03" - /* ACPI _STA method value (ignore bit 4; battery present) */ #define ACPI_STA_ALL (0x0000000f) -/* bridge flags */ -#define BRIDGE_HAS_EJ0 (0x00000001) - /* slot flags */ -#define SLOT_POWEREDON (0x00000001) -#define SLOT_ENABLED (0x00000002) -#define SLOT_MULTIFUNCTION (0x00000004) +#define SLOT_ENABLED (0x00000001) /* function flags */ #define FUNC_HAS_STA (0x00000001) #define FUNC_HAS_EJ0 (0x00000002) -#define FUNC_HAS_PS0 (0x00000010) -#define FUNC_HAS_PS1 (0x00000020) -#define FUNC_HAS_PS2 (0x00000040) -#define FUNC_HAS_PS3 (0x00000080) -#define FUNC_HAS_DCK (0x00000100) +#define FUNC_HAS_DCK (0x00000004) /* function prototypes */ /* acpiphp_core.c */ int acpiphp_register_attention(struct acpiphp_attention_info*info); int acpiphp_unregister_attention(struct acpiphp_attention_info *info); -int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot); +int acpiphp_register_hotplug_slot(struct acpiphp_slot *slot, unsigned int sun); void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *slot); /* acpiphp_glue.c */ typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data); int acpiphp_enable_slot(struct acpiphp_slot *slot); -int acpiphp_disable_slot(struct acpiphp_slot *slot); -int acpiphp_eject_slot(struct acpiphp_slot *slot); +int acpiphp_disable_and_eject_slot(struct acpiphp_slot *slot); u8 acpiphp_get_power_status(struct acpiphp_slot *slot); u8 acpiphp_get_attention_status(struct acpiphp_slot *slot); u8 acpiphp_get_latch_status(struct acpiphp_slot *slot); |