extern int shpchp_poll_mode;
extern int shpchp_poll_time;
extern int shpchp_debug;
+extern struct workqueue_struct *shpchp_wq;
/*#define dbg(format, arg...) do { if (shpchp_debug) printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); } while (0)*/
#define dbg(format, arg...) do { if (shpchp_debug) printk("%s: " format, MY_NAME , ## arg); } while (0)
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg)
-#define SLOT_MAGIC 0x67267321
+#define SLOT_NAME_SIZE 10
struct slot {
- u32 magic;
u8 bus;
u8 device;
u16 status;
struct hpc_ops *hpc_ops;
struct hotplug_slot *hotplug_slot;
struct list_head slot_list;
+ char name[SLOT_NAME_SIZE];
+ struct work_struct 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;
};
struct controller {
- struct list_head ctrl_list;
struct mutex crit_sect; /* critical section mutex */
struct mutex cmd_lock; /* command lock */
struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
- struct pci_bus *pci_bus;
- struct event_info event_queue[10];
struct list_head slot_list;
struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
- u8 next_event;
u8 bus;
u8 device;
u8 function;
volatile int cmd_busy;
};
-struct hotplug_params {
- u8 cache_line_size;
- u8 latency_timer;
- u8 enable_serr;
- u8 enable_perr;
-};
/* Define AMD SHPC ID */
#define PCI_DEVICE_ID_AMD_GOLAM_7450 0x7450
* error Messages
*/
#define msg_initialization_err "Initialization failure, error=%d\n"
-#define msg_button_on "PCI slot #%d - powering on due to button press.\n"
-#define msg_button_off "PCI slot #%d - powering off due to button press.\n"
-#define msg_button_cancel "PCI slot #%d - action canceled due to button press.\n"
+#define msg_button_on "PCI slot #%s - powering on due to button press.\n"
+#define msg_button_off "PCI slot #%s - powering off due to button press.\n"
+#define msg_button_cancel "PCI slot #%s - action canceled due to button press.\n"
/* sysfs functions for the hotplug controller info */
extern void shpchp_create_ctrl_files (struct controller *ctrl);
-/* controller functions */
-extern int shpchp_event_start_thread(void);
-extern void shpchp_event_stop_thread(void);
-extern int shpchp_enable_slot(struct slot *slot);
-extern int shpchp_disable_slot(struct slot *slot);
+extern int shpchp_sysfs_enable_slot(struct slot *slot);
+extern int shpchp_sysfs_disable_slot(struct slot *slot);
extern u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id);
extern u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id);
extern int shpchp_save_config(struct controller *ctrl, int busnumber, int num_ctlr_slots, int first_device_num);
extern int shpchp_configure_device(struct slot *p_slot);
extern int shpchp_unconfigure_device(struct slot *p_slot);
-extern void get_hp_hw_control_from_firmware(struct pci_dev *dev);
-extern void get_hp_params_from_firmware(struct pci_dev *dev,
- struct hotplug_params *hpp);
-extern int shpchprm_get_physical_slot_number(struct controller *ctrl,
- u32 *sun, u8 busnum, u8 devnum);
extern void shpchp_remove_ctrl_files(struct controller *ctrl);
+extern void cleanup_slots(struct controller *ctrl);
+extern void queue_pushbutton_work(void *data);
-/* Global variables */
-extern struct list_head shpchp_ctrl_list;
+#ifdef CONFIG_ACPI
+static inline int get_hp_params_from_firmware(struct pci_dev *dev,
+ struct hotplug_params *hpp)
+{
+ if (ACPI_FAILURE(acpi_get_hp_params_from_firmware(dev->bus, hpp)))
+ return -ENODEV;
+ return 0;
+}
+#define get_hp_hw_control_from_firmware(pdev) \
+ do { \
+ if (DEVICE_ACPI_HANDLE(&(pdev->dev))) \
+ acpi_run_oshp(DEVICE_ACPI_HANDLE(&(pdev->dev))); \
+ } while (0)
+#else
+#define get_hp_params_from_firmware(dev, hpp) (-ENODEV)
+#define get_hp_hw_control_from_firmware(dev) do { } while (0)
+#endif
struct ctrl_reg {
volatile u32 base_offset;
dbg("%s - slot == NULL", function);
return -1;
}
- if (slot->magic != SLOT_MAGIC) {
- dbg("%s - bad magic number for slot", function);
- return -1;
- }
if (!slot->hotplug_slot) {
dbg("%s - slot->hotplug_slot == NULL!", function);
return -1;
return NULL;
}
-static inline int wait_for_ctrl_irq (struct controller *ctrl)
-{
- DECLARE_WAITQUEUE(wait, current);
- int retval = 0;
-
- add_wait_queue(&ctrl->queue, &wait);
-
- if (!shpchp_poll_mode) {
- /* Sleep for up to 1 second */
- msleep_interruptible(1000);
- } else {
- /* Sleep for up to 2 seconds */
- msleep_interruptible(2000);
- }
- remove_wait_queue(&ctrl->queue, &wait);
- if (signal_pending(current))
- retval = -EINTR;
-
- return retval;
-}
-
static inline void amd_pogo_errata_save_misc_reg(struct slot *p_slot)
{
u32 pcix_misc2_temp;