projects / mirror_ovs.git / blame
| Commit | Line | Data |
|---|---|---|
| 064af421 BP |
1 | #ifndef __KERNEL_H_WRAPPER |
| 2 | #define __KERNEL_H_WRAPPER 1 | |
| 3 | ||
| 4 | #include_next <linux/kernel.h> | |
| 5 | #ifndef HAVE_LOG2_H | |
| 6 | #include <linux/log2.h> | |
| 7 | #endif | |
| 8 | ||
| e215ebca | 9 | #include <linux/version.h> |
| 717d33b9 JG |
10 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) |
| 11 | #undef pr_emerg | |
| 12 | #define pr_emerg(fmt, ...) \ | |
| 13 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | |
| 14 | #undef pr_alert | |
| 15 | #define pr_alert(fmt, ...) \ | |
| 16 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) | |
| 17 | #undef pr_crit | |
| 18 | #define pr_crit(fmt, ...) \ | |
| 19 | printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) | |
| 20 | #undef pr_err | |
| 21 | #define pr_err(fmt, ...) \ | |
| 22 | printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) | |
| 23 | #undef pr_warning | |
| 24 | #define pr_warning(fmt, ...) \ | |
| 25 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | |
| 26 | #undef pr_notice | |
| 27 | #define pr_notice(fmt, ...) \ | |
| 28 | printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) | |
| 29 | #undef pr_info | |
| 30 | #define pr_info(fmt, ...) \ | |
| 31 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | |
| 32 | #undef pr_cont | |
| 33 | #define pr_cont(fmt, ...) \ | |
| 34 | printk(KERN_CONT fmt, ##__VA_ARGS__) | |
| 35 | #endif | |
| 36 | ||
| 37 | #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) | |
| 38 | #define pr_warn pr_warning | |
| 39 | #endif | |
| 40 | ||
| 982b8810 BP |
41 | #ifndef BUILD_BUG_ON_NOT_POWER_OF_2 |
| 42 | /* Force a compilation error if a constant expression is not a power of 2 */ | |
| 43 | #define BUILD_BUG_ON_NOT_POWER_OF_2(n) \ | |
| 44 | BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0)) | |
| 45 | #endif | |
| 46 | ||
| f632c8fc BP |
47 | #if defined(CONFIG_PREEMPT) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21) |
| 48 | #error "CONFIG_PREEMPT is broken before 2.6.21--see commit 4498121ca3, \"[NET]: Handle disabled preemption in gfp_any()\"" | |
| 49 | #endif | |
| 50 | ||
| f45ee2cd JG |
51 | #ifndef USHRT_MAX |
| 52 | #define USHRT_MAX ((u16)(~0U)) | |
| 53 | #define SHRT_MAX ((s16)(USHRT_MAX>>1)) | |
| 54 | #define SHRT_MIN ((s16)(-SHRT_MAX - 1)) | |
| 55 | #endif | |
| 56 | ||
| 530af29c JG |
57 | #ifndef DIV_ROUND_UP |
| 58 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) | |
| 59 | #endif | |
| 60 | ||
| 064af421 | 61 | #endif /* linux/kernel.h */ |