50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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#ifndef _DEVICE_DRIVER_COMMON_H_
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#define _DEVICE_DRIVER_COMMON_H_
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/sysfs.h>
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#include <linux/slab.h>
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#include <linux/device.h>
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#include <linux/workqueue.h>
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#include <linux/kobject.h>
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#include <linux/delay.h>
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enum LOG_LEVEL{
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INFO = 0x1,
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ERR = 0x2,
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DBG = 0x4,
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ALL = 0xf
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};
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#define LOG_INFO(_prefix, fmt, args...) do { \
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if (g_loglevel & INFO) { \
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printk( KERN_INFO _prefix "%s "fmt, __FUNCTION__, ##args); \
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} \
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} while (0)
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#define LOG_ERR(_prefix, fmt, args...) do { \
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if (g_loglevel & ERR) { \
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printk( KERN_ERR _prefix "%s "fmt, __FUNCTION__, ##args); \
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} \
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} while (0)
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#define LOG_DBG(_prefix, fmt, args...) do { \
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if (g_loglevel & DBG) { \
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printk( KERN_DEBUG _prefix "%s "fmt, __FUNCTION__, ##args); \
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} \
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} while (0)
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#define check_pfun(p) do { \
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if (p == NULL) { \
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if (g_loglevel & ERR) { \
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printk( KERN_ERR "%s, %s is NULL.\n", __FUNCTION__, #p); \
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} \
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return -ENOSYS; \
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} \
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} while(0)
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#define check_p(p) check_pfun(p)
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#endif /* _DEVICE_DRIVER_COMMON_H_ */
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