diff options
Diffstat (limited to 'sys/compat/linuxkpi/common/include/linux/kernel.h')
-rw-r--r-- | sys/compat/linuxkpi/common/include/linux/kernel.h | 311 |
1 files changed, 4 insertions, 307 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h index ed4320e80fa7..11a13cbd49b4 100644 --- a/sys/compat/linuxkpi/common/include/linux/kernel.h +++ b/sys/compat/linuxkpi/common/include/linux/kernel.h @@ -44,10 +44,12 @@ #include <linux/build_bug.h> #include <linux/compiler.h> #include <linux/container_of.h> +#include <linux/kstrtox.h> #include <linux/limits.h> +#include <linux/math.h> +#include <linux/minmax.h> #include <linux/stringify.h> #include <linux/errno.h> -#include <linux/sched.h> #include <linux/types.h> #include <linux/typecheck.h> #include <linux/jiffies.h> @@ -123,10 +125,7 @@ extern int linuxkpi_warn_dump_stack; #undef PTR_ALIGN #define PTR_ALIGN(p, a) ((__typeof(p))ALIGN((uintptr_t)(p), (a))) #define IS_ALIGNED(x, a) (((x) & ((__typeof(x))(a) - 1)) == 0) -#define DIV_ROUND_UP(x, n) howmany(x, n) #define __KERNEL_DIV_ROUND_UP(x, n) howmany(x, n) -#define DIV_ROUND_UP_ULL(x, n) DIV_ROUND_UP((unsigned long long)(x), (n)) -#define DIV_ROUND_DOWN_ULL(x, n) (((unsigned long long)(x) / (n)) * (n)) #define FIELD_SIZEOF(t, f) sizeof(((t *)0)->f) #define printk(...) printf(__VA_ARGS__) @@ -270,286 +269,9 @@ extern int linuxkpi_debug; #define _RET_IP_ __builtin_return_address(0) -static inline unsigned long long -simple_strtoull(const char *cp, char **endp, unsigned int base) -{ - return (strtouq(cp, endp, base)); -} - -static inline long long -simple_strtoll(const char *cp, char **endp, unsigned int base) -{ - return (strtoq(cp, endp, base)); -} - -static inline unsigned long -simple_strtoul(const char *cp, char **endp, unsigned int base) -{ - return (strtoul(cp, endp, base)); -} - -static inline long -simple_strtol(const char *cp, char **endp, unsigned int base) -{ - return (strtol(cp, endp, base)); -} - -static inline int -kstrtoul(const char *cp, unsigned int base, unsigned long *res) -{ - char *end; - - *res = strtoul(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - return (0); -} - -static inline int -kstrtol(const char *cp, unsigned int base, long *res) -{ - char *end; - - *res = strtol(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - return (0); -} - -static inline int -kstrtoint(const char *cp, unsigned int base, int *res) -{ - char *end; - long temp; - - *res = temp = strtol(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - if (temp != (int)temp) - return (-ERANGE); - return (0); -} - -static inline int -kstrtouint(const char *cp, unsigned int base, unsigned int *res) -{ - char *end; - unsigned long temp; - - *res = temp = strtoul(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - if (temp != (unsigned int)temp) - return (-ERANGE); - return (0); -} - -static inline int -kstrtou8(const char *cp, unsigned int base, u8 *res) -{ - char *end; - unsigned long temp; - - *res = temp = strtoul(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - if (temp != (u8)temp) - return (-ERANGE); - return (0); -} - -static inline int -kstrtou16(const char *cp, unsigned int base, u16 *res) -{ - char *end; - unsigned long temp; - - *res = temp = strtoul(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - if (temp != (u16)temp) - return (-ERANGE); - return (0); -} - -static inline int -kstrtou32(const char *cp, unsigned int base, u32 *res) -{ - - return (kstrtouint(cp, base, res)); -} - -static inline int -kstrtou64(const char *cp, unsigned int base, u64 *res) -{ - char *end; - - *res = strtouq(cp, &end, base); - - /* skip newline character, if any */ - if (*end == '\n') - end++; - if (*cp == 0 || *end != 0) - return (-EINVAL); - return (0); -} - -static inline int -kstrtoull(const char *cp, unsigned int base, unsigned long long *res) -{ - return (kstrtou64(cp, base, (u64 *)res)); -} - -static inline int -kstrtobool(const char *s, bool *res) -{ - int len; - - if (s == NULL || (len = strlen(s)) == 0 || res == NULL) - return (-EINVAL); - - /* skip newline character, if any */ - if (s[len - 1] == '\n') - len--; - - if (len == 1 && strchr("yY1", s[0]) != NULL) - *res = true; - else if (len == 1 && strchr("nN0", s[0]) != NULL) - *res = false; - else if (strncasecmp("on", s, len) == 0) - *res = true; - else if (strncasecmp("off", s, len) == 0) - *res = false; - else - return (-EINVAL); - - return (0); -} - -static inline int -kstrtobool_from_user(const char __user *s, size_t count, bool *res) -{ - char buf[8] = {}; - - if (count > (sizeof(buf) - 1)) - count = (sizeof(buf) - 1); - - if (copy_from_user(buf, s, count)) - return (-EFAULT); - - return (kstrtobool(buf, res)); -} - -static inline int -kstrtoint_from_user(const char __user *s, size_t count, unsigned int base, - int *p) -{ - char buf[36] = {}; - - if (count > (sizeof(buf) - 1)) - count = (sizeof(buf) - 1); - - if (copy_from_user(buf, s, count)) - return (-EFAULT); - - return (kstrtoint(buf, base, p)); -} - -static inline int -kstrtouint_from_user(const char __user *s, size_t count, unsigned int base, - unsigned int *p) -{ - char buf[36] = {}; - - if (count > (sizeof(buf) - 1)) - count = (sizeof(buf) - 1); - - if (copy_from_user(buf, s, count)) - return (-EFAULT); - - return (kstrtouint(buf, base, p)); -} - -static inline int -kstrtou32_from_user(const char __user *s, size_t count, unsigned int base, - unsigned int *p) -{ - - return (kstrtouint_from_user(s, count, base, p)); -} - -static inline int -kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, - u8 *p) -{ - char buf[8] = {}; - - if (count > (sizeof(buf) - 1)) - count = (sizeof(buf) - 1); - - if (copy_from_user(buf, s, count)) - return (-EFAULT); - - return (kstrtou8(buf, base, p)); -} - -#define min(x, y) ((x) < (y) ? (x) : (y)) -#define max(x, y) ((x) > (y) ? (x) : (y)) - -#define min3(a, b, c) min(a, min(b,c)) -#define max3(a, b, c) max(a, max(b,c)) - -#define min_t(type, x, y) ({ \ - type __min1 = (x); \ - type __min2 = (y); \ - __min1 < __min2 ? __min1 : __min2; }) - -#define max_t(type, x, y) ({ \ - type __max1 = (x); \ - type __max2 = (y); \ - __max1 > __max2 ? __max1 : __max2; }) - #define offsetofend(t, m) \ (offsetof(t, m) + sizeof((((t *)0)->m))) -#define clamp_t(type, _x, min, max) min_t(type, max_t(type, _x, min), max) -#define clamp(x, lo, hi) min( max(x,lo), hi) -#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi) - -/* - * This looks more complex than it should be. But we need to - * get the type for the ~ right in round_down (it needs to be - * as wide as the result!), and we want to evaluate the macro - * arguments just once each. - */ -#define __round_mask(x, y) ((__typeof__(x))((y)-1)) -#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) -#define round_down(x, y) ((x) & ~__round_mask(x, y)) - #define smp_processor_id() PCPU_GET(cpuid) #define num_possible_cpus() mp_ncpus #define num_online_cpus() mp_ncpus @@ -559,31 +281,6 @@ extern bool linux_cpu_has_clflush; #define cpu_has_clflush linux_cpu_has_clflush #endif -/* Swap values of a and b */ -#define swap(a, b) do { \ - typeof(a) _swap_tmp = a; \ - a = b; \ - b = _swap_tmp; \ -} while (0) - -#define DIV_ROUND_CLOSEST(x, divisor) (((x) + ((divisor) / 2)) / (divisor)) - -#define DIV_ROUND_CLOSEST_ULL(x, divisor) ({ \ - __typeof(divisor) __d = (divisor); \ - unsigned long long __ret = (x) + (__d) / 2; \ - __ret /= __d; \ - __ret; \ -}) - -static inline uintmax_t -mult_frac(uintmax_t x, uintmax_t multiplier, uintmax_t divisor) -{ - uintmax_t q = (x / divisor); - uintmax_t r = (x % divisor); - - return ((q * multiplier) + ((r * multiplier) / divisor)); -} - typedef struct linux_ratelimit { struct timeval lasttime; int counter; @@ -644,7 +341,7 @@ static inline bool mac_pton(const char *macin, uint8_t *macout) { const char *s, *d; - uint8_t mac[6], hx, lx;; + uint8_t mac[6], hx, lx; int i; if (strlen(macin) < (3 * 6 - 1)) |