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-rw-r--r--include/linux/calc64.h49
-rw-r--r--include/linux/clocksource.h2
-rw-r--r--include/linux/compat.h3
-rw-r--r--include/linux/jiffies.h2
-rw-r--r--include/linux/math64.h84
-rw-r--r--include/linux/pci_ids.h1
-rw-r--r--include/linux/quota.h3
-rw-r--r--include/linux/string.h2
-rw-r--r--include/linux/sysfs.h6
-rw-r--r--include/linux/timex.h46
10 files changed, 127 insertions, 71 deletions
diff --git a/include/linux/calc64.h b/include/linux/calc64.h
deleted file mode 100644
index ebf4b8f38d8..00000000000
--- a/include/linux/calc64.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#ifndef _LINUX_CALC64_H
-#define _LINUX_CALC64_H
-
-#include <linux/types.h>
-#include <asm/div64.h>
-
-/*
- * This is a generic macro which is used when the architecture
- * specific div64.h does not provide a optimized one.
- *
- * The 64bit dividend is divided by the divisor (data type long), the
- * result is returned and the remainder stored in the variable
- * referenced by remainder (data type long *). In contrast to the
- * do_div macro the dividend is kept intact.
- */
-#ifndef div_long_long_rem
-#define div_long_long_rem(dividend, divisor, remainder) \
- do_div_llr((dividend), divisor, remainder)
-
-static inline unsigned long do_div_llr(const long long dividend,
- const long divisor, long *remainder)
-{
- u64 result = dividend;
-
- *(remainder) = do_div(result, divisor);
- return (unsigned long) result;
-}
-#endif
-
-/*
- * Sign aware variation of the above. On some architectures a
- * negative dividend leads to an divide overflow exception, which
- * is avoided by the sign check.
- */
-static inline long div_long_long_rem_signed(const long long dividend,
- const long divisor, long *remainder)
-{
- long res;
-
- if (unlikely(dividend < 0)) {
- res = -div_long_long_rem(-dividend, divisor, remainder);
- *remainder = -(*remainder);
- } else
- res = div_long_long_rem(dividend, divisor, remainder);
-
- return res;
-}
-
-#endif
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 35094479ca5..55e434feec9 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -93,6 +93,8 @@ struct clocksource {
#endif
};
+extern struct clocksource *clock; /* current clocksource */
+
/*
* Clock source flags bits::
*/
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 8fa7857e153..cf8d11cad5a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -65,10 +65,11 @@ struct compat_timex {
compat_long_t calcnt;
compat_long_t errcnt;
compat_long_t stbcnt;
+ compat_int_t tai;
compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32;
compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32;
- compat_int_t :32; compat_int_t :32; compat_int_t :32; compat_int_t :32;
+ compat_int_t :32; compat_int_t :32; compat_int_t :32;
};
#define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW)
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 33ef710dac2..abb6ac639e8 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -1,7 +1,7 @@
#ifndef _LINUX_JIFFIES_H
#define _LINUX_JIFFIES_H
-#include <linux/calc64.h>
+#include <linux/math64.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/time.h>
diff --git a/include/linux/math64.h b/include/linux/math64.h
new file mode 100644
index 00000000000..c1a5f81501f
--- /dev/null
+++ b/include/linux/math64.h
@@ -0,0 +1,84 @@
+#ifndef _LINUX_MATH64_H
+#define _LINUX_MATH64_H
+
+#include <linux/types.h>
+#include <asm/div64.h>
+
+#if BITS_PER_LONG == 64
+
+/**
+ * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
+ *
+ * This is commonly provided by 32bit archs to provide an optimized 64bit
+ * divide.
+ */
+static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
+{
+ *remainder = dividend % divisor;
+ return dividend / divisor;
+}
+
+/**
+ * div_s64_rem - signed 64bit divide with 32bit divisor with remainder
+ */
+static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder)
+{
+ *remainder = dividend % divisor;
+ return dividend / divisor;
+}
+
+/**
+ * div64_u64 - unsigned 64bit divide with 64bit divisor
+ */
+static inline u64 div64_u64(u64 dividend, u64 divisor)
+{
+ return dividend / divisor;
+}
+
+#elif BITS_PER_LONG == 32
+
+#ifndef div_u64_rem
+static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
+{
+ *remainder = do_div(dividend, divisor);
+ return dividend;
+}
+#endif
+
+#ifndef div_s64_rem
+extern s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder);
+#endif
+
+#ifndef div64_u64
+extern u64 div64_u64(u64 dividend, u64 divisor);
+#endif
+
+#endif /* BITS_PER_LONG */
+
+/**
+ * div_u64 - unsigned 64bit divide with 32bit divisor
+ *
+ * This is the most common 64bit divide and should be used if possible,
+ * as many 32bit archs can optimize this variant better than a full 64bit
+ * divide.
+ */
+#ifndef div_u64
+static inline u64 div_u64(u64 dividend, u32 divisor)
+{
+ u32 remainder;
+ return div_u64_rem(dividend, divisor, &remainder);
+}
+#endif
+
+/**
+ * div_s64 - signed 64bit divide with 32bit divisor
+ */
+#ifndef div_s64
+static inline s64 div_s64(s64 dividend, s32 divisor)
+{
+ s32 remainder;
+ return div_s64_rem(dividend, divisor, &remainder);
+}
+#endif
+
+#endif /* _LINUX_MATH64_H */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index e5a53daf17f..cf6dbd75939 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1429,6 +1429,7 @@
#define PCI_DEVICE_ID_NEO_2DB9PRI 0x00C9
#define PCI_DEVICE_ID_NEO_2RJ45 0x00CA
#define PCI_DEVICE_ID_NEO_2RJ45PRI 0x00CB
+#define PCIE_DEVICE_ID_NEO_4_IBM 0x00F4
#define PCI_VENDOR_ID_XIRCOM 0x115d
#define PCI_DEVICE_ID_XIRCOM_RBM56G 0x0101
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 52e49dce658..dcddfb20094 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -347,6 +347,9 @@ struct quota_info {
((type) == USRQUOTA ? (sb_dqopt(sb)->flags & DQUOT_USR_SUSPENDED) : \
(sb_dqopt(sb)->flags & DQUOT_GRP_SUSPENDED))
+#define sb_any_quota_suspended(sb) (sb_has_quota_suspended(sb, USRQUOTA) | \
+ sb_has_quota_suspended(sb, GRPQUOTA))
+
int register_quota_format(struct quota_format_type *fmt);
void unregister_quota_format(struct quota_format_type *fmt);
diff --git a/include/linux/string.h b/include/linux/string.h
index c5d3fcad7b5..efdc44593b5 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -109,5 +109,7 @@ extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
extern void argv_free(char **argv);
+extern bool sysfs_streq(const char *s1, const char *s2);
+
#endif
#endif /* _LINUX_STRING_H_ */
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 7858eac40aa..27bad59dae7 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -196,6 +196,12 @@ static inline int sysfs_update_group(struct kobject *kobj,
return 0;
}
+static inline int sysfs_update_group(struct kobject *kobj,
+ const struct attribute_group *grp)
+{
+ return 0;
+}
+
static inline void sysfs_remove_group(struct kobject *kobj,
const struct attribute_group *grp)
{
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 8ea3e71ba7f..fc6035d29d5 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -58,6 +58,8 @@
#include <asm/param.h>
+#define NTP_API 4 /* NTP API version */
+
/*
* SHIFT_KG and SHIFT_KF establish the damping of the PLL and are chosen
* for a slightly underdamped convergence characteristic. SHIFT_KH
@@ -74,24 +76,22 @@
#define MAXTC 10 /* maximum time constant (shift) */
/*
- * The SHIFT_UPDATE define establishes the decimal point of the
- * time_offset variable which represents the current offset with
- * respect to standard time.
- *
* SHIFT_USEC defines the scaling (shift) of the time_freq and
* time_tolerance variables, which represent the current frequency
* offset and maximum frequency tolerance.
*/
-#define SHIFT_UPDATE (SHIFT_HZ + 1) /* time offset scale (shift) */
#define SHIFT_USEC 16 /* frequency offset scale (shift) */
-#define SHIFT_NSEC 12 /* kernel frequency offset scale */
-
-#define MAXPHASE 512000L /* max phase error (us) */
-#define MAXFREQ (512L << SHIFT_USEC) /* max frequency error (ppm) */
-#define MAXFREQ_NSEC (512000L << SHIFT_NSEC) /* max frequency error (ppb) */
+#define PPM_SCALE (NSEC_PER_USEC << (NTP_SCALE_SHIFT - SHIFT_USEC))
+#define PPM_SCALE_INV_SHIFT 20
+#define PPM_SCALE_INV ((1ll << (PPM_SCALE_INV_SHIFT + NTP_SCALE_SHIFT)) / \
+ PPM_SCALE + 1)
+
+#define MAXPHASE 500000000l /* max phase error (ns) */
+#define MAXFREQ 500000 /* max frequency error (ns/s) */
+#define MAXFREQ_SCALED ((s64)MAXFREQ << NTP_SCALE_SHIFT)
#define MINSEC 256 /* min interval between updates (s) */
#define MAXSEC 2048 /* max interval between updates (s) */
-#define NTP_PHASE_LIMIT (MAXPHASE << 5) /* beyond max. dispersion */
+#define NTP_PHASE_LIMIT ((MAXPHASE / NSEC_PER_USEC) << 5) /* beyond max. dispersion */
/*
* syscall interface - used (mainly by NTP daemon)
@@ -121,9 +121,11 @@ struct timex {
long errcnt; /* calibration errors (ro) */
long stbcnt; /* stability limit exceeded (ro) */
+ int tai; /* TAI offset (ro) */
+
int :32; int :32; int :32; int :32;
int :32; int :32; int :32; int :32;
- int :32; int :32; int :32; int :32;
+ int :32; int :32; int :32;
};
/*
@@ -135,6 +137,9 @@ struct timex {
#define ADJ_ESTERROR 0x0008 /* estimated time error */
#define ADJ_STATUS 0x0010 /* clock status */
#define ADJ_TIMECONST 0x0020 /* pll time constant */
+#define ADJ_TAI 0x0080 /* set TAI offset */
+#define ADJ_MICRO 0x1000 /* select microsecond resolution */
+#define ADJ_NANO 0x2000 /* select nanosecond resolution */
#define ADJ_TICK 0x4000 /* tick value */
#define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */
#define ADJ_OFFSET_SS_READ 0xa001 /* read-only adjtime */
@@ -146,8 +151,6 @@ struct timex {
#define MOD_ESTERROR ADJ_ESTERROR
#define MOD_STATUS ADJ_STATUS
#define MOD_TIMECONST ADJ_TIMECONST
-#define MOD_CLKB ADJ_TICK
-#define MOD_CLKA ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */
/*
@@ -169,9 +172,13 @@ struct timex {
#define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */
#define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */
+#define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */
+#define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */
+#define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */
+/* read-only bits */
#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \
- STA_PPSERROR | STA_CLOCKERR) /* read-only bits */
+ STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK)
/*
* Clock states (time_state)
@@ -203,10 +210,9 @@ extern int time_status; /* clock synchronization status bits */
extern long time_maxerror; /* maximum error */
extern long time_esterror; /* estimated error */
-extern long time_freq; /* frequency offset (scaled ppm) */
-
extern long time_adjust; /* The amount of adjtime left */
+extern void ntp_init(void);
extern void ntp_clear(void);
/**
@@ -225,7 +231,7 @@ static inline int ntp_synced(void)
__x < 0 ? -(-__x >> __s) : __x >> __s; \
})
-#define TICK_LENGTH_SHIFT 32
+#define NTP_SCALE_SHIFT 32
#ifdef CONFIG_NO_HZ
#define NTP_INTERVAL_FREQ (2)
@@ -234,8 +240,8 @@ static inline int ntp_synced(void)
#endif
#define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
-/* Returns how long ticks are at present, in ns / 2^(SHIFT_SCALE-10). */
-extern u64 current_tick_length(void);
+/* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
+extern u64 tick_length;
extern void second_overflow(void);
extern void update_ntp_one_tick(void);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 07:04:22 +0000