iwl-notif-wait.h

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#ifndef __iwl_notif_wait_h__
#define __iwl_notif_wait_h__

#include <linux/wait.h>

#include "iwl-trans.h"

struct iwl_notif_wait_data {
    struct list_head notif_waits;
    spinlock_t notif_wait_lock;
    wait_queue_head_t notif_waitq;
};

#define MAX_NOTIF_CMDS  5

struct iwl_notification_wait {
    struct list_head list;

    bool (*fn)(struct iwl_notif_wait_data *notif_data,
           struct iwl_rx_packet *pkt, void *data);
    void *fn_data;

    u8 cmds[MAX_NOTIF_CMDS];
    u8 n_cmds;
    bool triggered, aborted;
};


/* caller functions */
void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_data);
void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_data,
                  struct iwl_rx_packet *pkt);
void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data);

/* user functions */
void __acquires(wait_entry)
iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data,
               struct iwl_notification_wait *wait_entry,
               const u8 *cmds, int n_cmds,
               bool (*fn)(struct iwl_notif_wait_data *notif_data,
                      struct iwl_rx_packet *pkt, void *data),
               void *fn_data);

int __must_check __releases(wait_entry)
iwl_wait_notification(struct iwl_notif_wait_data *notif_data,
              struct iwl_notification_wait *wait_entry,
              unsigned long timeout);

void __releases(wait_entry)
iwl_remove_notification(struct iwl_notif_wait_data *notif_data,
            struct iwl_notification_wait *wait_entry);

#endif /* __iwl_notif_wait_h__ */