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path: root/drivers/pci/hotplug/pciehp.h
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Diffstat (limited to 'drivers/pci/hotplug/pciehp.h')
-rw-r--r--drivers/pci/hotplug/pciehp.h19
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index d19fcae8a7c..ccc57627201 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -43,6 +43,7 @@ extern int pciehp_poll_mode;
extern int pciehp_poll_time;
extern int pciehp_debug;
extern int pciehp_force;
+extern struct workqueue_struct *pciehp_wq;
#define dbg(format, arg...) \
do { \
@@ -70,14 +71,16 @@ struct slot {
struct list_head slot_list;
char name[SLOT_NAME_SIZE];
unsigned long last_emi_toggle;
+ struct delayed_work work; /* work for button event */
+ struct mutex lock;
};
struct event_info {
u32 event_type;
- u8 hp_slot;
+ struct slot *p_slot;
+ struct work_struct work;
};
-#define MAX_EVENTS 10
struct controller {
struct controller *next;
struct mutex crit_sect; /* critical section mutex */
@@ -86,11 +89,9 @@ struct controller {
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
struct list_head slot_list;
- struct event_info event_queue[MAX_EVENTS];
struct slot *slot;
struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
- u8 next_event;
u8 bus;
u8 device;
u8 function;
@@ -149,21 +150,17 @@ struct controller {
#define HP_SUPR_RM(cap) (cap & HP_SUPR_RM_SUP)
#define EMI(cap) (cap & EMI_PRSN)
-extern int pciehp_event_start_thread(void);
-extern void pciehp_event_stop_thread(void);
-extern int pciehp_enable_slot(struct slot *slot);
-extern int pciehp_disable_slot(struct slot *slot);
+extern int pciehp_sysfs_enable_slot(struct slot *slot);
+extern int pciehp_sysfs_disable_slot(struct slot *slot);
extern u8 pciehp_handle_attention_button(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_switch_change(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_presence_change(u8 hp_slot, struct controller *ctrl);
extern u8 pciehp_handle_power_fault(u8 hp_slot, struct controller *ctrl);
extern int pciehp_configure_device(struct slot *p_slot);
extern int pciehp_unconfigure_device(struct slot *p_slot);
+extern void pciehp_queue_pushbutton_work(struct work_struct *work);
int pcie_init(struct controller *ctrl, struct pcie_device *dev);
-/* Global variables */
-extern struct controller *pciehp_ctrl_list;
-
static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
{
struct slot *slot;