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https://github.com/edk2-porting/linux-next.git
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923fd7036f
This adds a firmware debugging knob to debugfs. With this knob it's possible to enable advanced runtime firmware checks. For now it only implements one sanity check for the mac-suspend. In future there'll probably be more. If CONFIG_B43_DEBUG is disabled, these checks will collapse to nothing. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
110 lines
2.5 KiB
C
110 lines
2.5 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_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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struct b43_txstatus *log;
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int end;
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spinlock_t lock;
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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_tsf;
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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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int 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 int 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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