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https://github.com/edk2-porting/linux-next.git
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990b86f4f9
This adds support for verbose runtime statistics. It defaults to off and must be enabled in debugfs, if desired. The first measurement may be incorrect, because statistics are not cleared after they got enabled through debugfs. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
#ifndef B43_DEBUGFS_H_
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#define B43_DEBUGFS_H_
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struct b43_wldev;
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struct b43_txstatus;
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enum b43_dyndbg { /* Dynamic debugging features */
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B43_DBG_XMITPOWER,
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B43_DBG_DMAOVERFLOW,
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B43_DBG_DMAVERBOSE,
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B43_DBG_PWORK_FAST,
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B43_DBG_PWORK_STOP,
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B43_DBG_LO,
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B43_DBG_FIRMWARE,
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B43_DBG_KEYS,
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B43_DBG_VERBOSESTATS,
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__B43_NR_DYNDBG,
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};
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#ifdef CONFIG_B43_DEBUG
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struct dentry;
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#define B43_NR_LOGGED_TXSTATUS 100
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struct b43_txstatus_log {
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/* This structure is protected by wl->mutex */
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struct b43_txstatus *log;
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int end;
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};
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struct b43_dfs_file {
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struct dentry *dentry;
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char *buffer;
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size_t data_len;
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};
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struct b43_dfsentry {
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struct b43_wldev *dev;
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struct dentry *subdir;
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struct b43_dfs_file file_shm16read;
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struct b43_dfs_file file_shm16write;
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struct b43_dfs_file file_shm32read;
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struct b43_dfs_file file_shm32write;
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struct b43_dfs_file file_mmio16read;
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struct b43_dfs_file file_mmio16write;
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struct b43_dfs_file file_mmio32read;
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struct b43_dfs_file file_mmio32write;
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struct b43_dfs_file file_txstat;
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struct b43_dfs_file file_txpower_g;
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struct b43_dfs_file file_restart;
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struct b43_dfs_file file_loctls;
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struct b43_txstatus_log txstatlog;
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/* The cached address for the next mmio16read file read */
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u16 mmio16read_next;
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/* The cached address for the next mmio32read file read */
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u16 mmio32read_next;
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/* The cached address for the next shm16read file read */
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u32 shm16read_routing_next;
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u32 shm16read_addr_next;
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/* The cached address for the next shm32read file read */
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u32 shm32read_routing_next;
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u32 shm32read_addr_next;
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/* Enabled/Disabled list for the dynamic debugging features. */
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u32 dyn_debug[__B43_NR_DYNDBG];
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/* Dentries for the dynamic debugging entries. */
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struct dentry *dyn_debug_dentries[__B43_NR_DYNDBG];
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};
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bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature);
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void b43_debugfs_init(void);
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void b43_debugfs_exit(void);
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void b43_debugfs_add_device(struct b43_wldev *dev);
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void b43_debugfs_remove_device(struct b43_wldev *dev);
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void b43_debugfs_log_txstat(struct b43_wldev *dev,
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const struct b43_txstatus *status);
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#else /* CONFIG_B43_DEBUG */
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static inline bool b43_debug(struct b43_wldev *dev, enum b43_dyndbg feature)
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{
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return 0;
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}
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static inline void b43_debugfs_init(void)
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{
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}
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static inline void b43_debugfs_exit(void)
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{
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}
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static inline void b43_debugfs_add_device(struct b43_wldev *dev)
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{
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}
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static inline void b43_debugfs_remove_device(struct b43_wldev *dev)
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{
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}
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static inline void b43_debugfs_log_txstat(struct b43_wldev *dev,
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const struct b43_txstatus *status)
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{
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}
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#endif /* CONFIG_B43_DEBUG */
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#endif /* B43_DEBUGFS_H_ */
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