diff options
Diffstat (limited to 'drivers/ptp/ptp_private.h')
| -rw-r--r-- | drivers/ptp/ptp_private.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h index 75f58fc468a7..52f87e394aa6 100644 --- a/drivers/ptp/ptp_private.h +++ b/drivers/ptp/ptp_private.h @@ -15,16 +15,24 @@ #include <linux/ptp_clock.h> #include <linux/ptp_clock_kernel.h> #include <linux/time.h> +#include <linux/list.h> +#include <linux/bitmap.h> +#include <linux/debugfs.h> #define PTP_MAX_TIMESTAMPS 128 #define PTP_BUF_TIMESTAMPS 30 #define PTP_DEFAULT_MAX_VCLOCKS 20 +#define PTP_MAX_CHANNELS 2048 struct timestamp_event_queue { struct ptp_extts_event buf[PTP_MAX_TIMESTAMPS]; int head; int tail; spinlock_t lock; + struct list_head qlist; + unsigned long *mask; + struct dentry *debugfs_instance; + struct debugfs_u32_array dfs_bitmap; }; struct ptp_clock { @@ -35,8 +43,7 @@ struct ptp_clock { int index; /* index into clocks.map */ struct pps_device *pps_source; long dialed_frequency; /* remembers the frequency adjustment */ - struct timestamp_event_queue tsevq; /* simple fifo for time stamps */ - struct mutex tsevq_mux; /* one process at a time reading the fifo */ + struct list_head tsevqs; /* timestamp fifo list */ struct mutex pincfg_mux; /* protect concurrent info->pin_config access */ wait_queue_head_t tsev_wq; int defunct; /* tells readers to go away when clock is being removed */ @@ -53,6 +60,7 @@ struct ptp_clock { struct mutex n_vclocks_mux; /* protect concurrent n_vclocks access */ bool is_virtual_clock; bool has_cycles; + struct dentry *debugfs_root; }; #define info_to_vclock(d) container_of((d), struct ptp_vclock, info) @@ -117,16 +125,18 @@ extern struct class *ptp_class; int ptp_set_pinfunc(struct ptp_clock *ptp, unsigned int pin, enum ptp_pin_function func, unsigned int chan); -long ptp_ioctl(struct posix_clock *pc, - unsigned int cmd, unsigned long arg); +long ptp_ioctl(struct posix_clock_context *pccontext, unsigned int cmd, + unsigned long arg); -int ptp_open(struct posix_clock *pc, fmode_t fmode); +int ptp_open(struct posix_clock_context *pccontext, fmode_t fmode); -ssize_t ptp_read(struct posix_clock *pc, - uint flags, char __user *buf, size_t cnt); +int ptp_release(struct posix_clock_context *pccontext); -__poll_t ptp_poll(struct posix_clock *pc, - struct file *fp, poll_table *wait); +ssize_t ptp_read(struct posix_clock_context *pccontext, uint flags, char __user *buf, + size_t cnt); + +__poll_t ptp_poll(struct posix_clock_context *pccontext, struct file *fp, + poll_table *wait); /* * see ptp_sysfs.c |