[LTP] [PATCH V4 5/5] syscalls/clock_adjtime: Add support for time64 tests
Viresh Kumar
viresh.kumar@linaro.org
Wed Apr 22 07:37:26 CEST 2020
This adds support for time64 tests to the existing clock_adjtime()
syscall tests.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
.../syscalls/clock_adjtime/clock_adjtime.h | 220 +++++++++++++++---
.../syscalls/clock_adjtime/clock_adjtime01.c | 124 ++++++----
.../syscalls/clock_adjtime/clock_adjtime02.c | 90 +++++--
3 files changed, 334 insertions(+), 100 deletions(-)
diff --git a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime.h b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime.h
index d7f553a3a04b..4f65307be0ab 100644
--- a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime.h
+++ b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime.h
@@ -16,43 +16,195 @@
#include <sys/types.h>
#include "lapi/timex.h"
-static int sys_clock_adjtime(clockid_t, struct timex *);
-static void timex_show(char *, struct timex);
+#ifndef __kernel_timex
+struct __kernel_timex_timeval {
+ __kernel_time64_t tv_sec;
+ long long tv_usec;
+};
-/*
- * bad pointer w/ libc causes SIGSEGV signal, call syscall directly
- */
-static int sys_clock_adjtime(clockid_t clk_id, struct timex *txc)
+struct __kernel_timex {
+ unsigned int modes; /* mode selector */
+ int :32; /* pad */
+ long long offset; /* time offset (usec) */
+ long long freq; /* frequency offset (scaled ppm) */
+ long long maxerror;/* maximum error (usec) */
+ long long esterror;/* estimated error (usec) */
+ int status; /* clock command/status */
+ int :32; /* pad */
+ long long constant;/* pll time constant */
+ long long precision;/* clock precision (usec) (read only) */
+ long long tolerance;/* clock frequency tolerance (ppm)
+ * (read only)
+ */
+ struct __kernel_timex_timeval time; /* (read only, except for ADJ_SETOFFSET) */
+ long long tick; /* (modified) usecs between clock ticks */
+
+ long long ppsfreq;/* pps frequency (scaled ppm) (ro) */
+ long long jitter; /* pps jitter (us) (ro) */
+ int shift; /* interval duration (s) (shift) (ro) */
+ int :32; /* pad */
+ long long stabil; /* pps stability (scaled ppm) (ro) */
+ long long jitcnt; /* jitter limit exceeded (ro) */
+ long long calcnt; /* calibration intervals (ro) */
+ long long errcnt; /* calibration errors (ro) */
+ long 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;
+};
+#endif
+
+enum tst_timex_type {
+ TST_LIBC_TIMEX,
+ TST_KERN_TIMEX,
+ /* Used for indicating failure test with bad address */
+ TST_KERN_TIMEX_BAD_ADDR
+};
+
+struct tst_timex {
+ enum tst_timex_type type;
+ union {
+ struct timex libc_timex;
+ struct __kernel_timex kern_timex;
+ };
+};
+
+static inline void *tst_get_timex(struct tst_timex *t)
+{
+ switch (t->type) {
+ case TST_LIBC_TIMEX:
+ return &t->libc_timex;
+ case TST_KERN_TIMEX:
+ return &t->kern_timex;
+ case TST_KERN_TIMEX_BAD_ADDR:
+ return tst_get_bad_addr(NULL);
+ default:
+ tst_brk(TBROK, "Invalid type: %d", t->type);
+ return NULL;
+ }
+}
+
+static inline int sys_clock_adjtime(clockid_t clk_id, struct tst_timex *t)
{
- return tst_syscall(__NR_clock_adjtime, clk_id, txc);
+ return tst_syscall(__NR_clock_adjtime, clk_id, tst_get_timex(t));
}
-static void timex_show(char *given, struct timex txc)
+static inline int sys_clock_adjtime64(clockid_t clk_id, struct tst_timex *t)
{
- tst_res(TINFO, "%s\n"
- " mode: %d\n"
- " offset: %ld\n"
- " frequency: %ld\n"
- " maxerror: %ld\n"
- " esterror: %ld\n"
- " status: %d (0x%x)\n"
- " time_constant: %ld\n"
- " precision: %ld\n"
- " tolerance: %ld\n"
- " tick: %ld\n"
- " raw time: %d(s) %d(us)",
- given,
- txc.modes,
- txc.offset,
- txc.freq,
- txc.maxerror,
- txc.esterror,
- txc.status,
- txc.status,
- txc.constant,
- txc.precision,
- txc.tolerance,
- txc.tick,
- (int)txc.time.tv_sec,
- (int)txc.time.tv_usec);
+ return tst_syscall(__NR_clock_adjtime64, clk_id, tst_get_timex(t));
+}
+
+#define _timex_show(_timex, _desc) \
+ tst_res(TINFO, "%s\n" \
+ " mode: %u\n" \
+ " offset: "#_desc"\n" \
+ " frequency: "#_desc"\n" \
+ " maxerror: "#_desc"\n" \
+ " esterror: "#_desc"\n" \
+ " status: %d (0x%x)\n" \
+ " time_constant: "#_desc"\n" \
+ " precision: "#_desc"\n" \
+ " tolerance: "#_desc"\n" \
+ " tick: "#_desc"\n" \
+ " raw time: "#_desc"(s) "#_desc"(us)", \
+ given, \
+ _timex.modes, \
+ _timex.offset, \
+ _timex.freq, \
+ _timex.maxerror, \
+ _timex.esterror, \
+ _timex.status, \
+ _timex.status, \
+ _timex.constant, \
+ _timex.precision, \
+ _timex.tolerance, \
+ _timex.tick, \
+ _timex.time.tv_sec, \
+ _timex.time.tv_usec)
+
+static inline void timex_show(char *given, struct tst_timex *timex)
+{
+ switch (timex->type) {
+ case TST_LIBC_TIMEX:
+ _timex_show(timex->libc_timex, %ld);
+ return;
+ case TST_KERN_TIMEX:
+ _timex_show(timex->kern_timex, %lld);
+ return;
+ default:
+ tst_res(TFAIL, "Invalid type: %d", timex->type);
+ }
+}
+
+#define ADJ_MODES 0
+
+#define _select_field(_timex, _field) \
+{ \
+ if (_field == ADJ_MODES) \
+ return &_timex.modes; \
+ if (_field == ADJ_OFFSET) \
+ return &_timex.offset; \
+ if (_field == ADJ_FREQUENCY) \
+ return &_timex.freq; \
+ if (_field == ADJ_MAXERROR) \
+ return &_timex.maxerror; \
+ if (_field == ADJ_ESTERROR) \
+ return &_timex.esterror; \
+ if (_field == ADJ_TIMECONST) \
+ return &_timex.constant; \
+ if (_field == ADJ_TICK) \
+ return &_timex.tick; \
+ if (_field == ADJ_STATUS) \
+ return &_timex.status; \
+ tst_res(TFAIL, "Invalid type: %d", timex->type); \
+ return NULL; \
+}
+
+static inline void *_get_field(struct tst_timex *timex, unsigned int field)
+{
+ switch (timex->type) {
+ case TST_LIBC_TIMEX:
+ _select_field(timex->libc_timex, field);
+ case TST_KERN_TIMEX:
+ _select_field(timex->kern_timex, field);
+ default:
+ tst_res(TFAIL, "Invalid type: %d", timex->type);
+ return NULL;
+ }
+}
+
+#define timex_get_set_field_type(_type_libc, _type_kern) \
+static inline _type_kern \
+timex_get_field_##_type_libc(struct tst_timex *timex, unsigned int field) \
+{ \
+ switch (timex->type) { \
+ case TST_LIBC_TIMEX: \
+ return *((_type_libc*)_get_field(timex, field)); \
+ case TST_KERN_TIMEX: \
+ return *((_type_kern*)_get_field(timex, field)); \
+ default: \
+ tst_res(TFAIL, "Invalid type: %d", timex->type); \
+ return 0; \
+ } \
+} \
+ \
+static inline void \
+timex_set_field_##_type_libc(struct tst_timex *timex, unsigned int field, \
+ _type_kern value) \
+{ \
+ switch (timex->type) { \
+ case TST_LIBC_TIMEX: \
+ *((_type_libc*)_get_field(timex, field)) = value; \
+ return; \
+ case TST_KERN_TIMEX: \
+ *((_type_kern*)_get_field(timex, field)) = value; \
+ return; \
+ default: \
+ tst_res(TFAIL, "Invalid type: %d", timex->type); \
+ } \
}
+timex_get_set_field_type(uint, uint);
+timex_get_set_field_type(long, long long);
diff --git a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime01.c b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime01.c
index 1262d34fa0d6..b3e74c776f2b 100644
--- a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime01.c
+++ b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime01.c
@@ -55,15 +55,15 @@
*/
#include "clock_adjtime.h"
+#include "lapi/abisize.h"
static long hz;
-static struct timex saved, ttxc;
+static struct tst_timex saved, ttxc;
static int supported;
struct test_case {
unsigned int modes;
long highlimit;
- long *ptr;
long delta;
};
@@ -80,79 +80,103 @@ struct test_case tc[] = {
{
.modes = ADJ_OFFSET,
.highlimit = 500000,
- .ptr = &ttxc.offset,
.delta = 10000,
},
{
.modes = ADJ_FREQUENCY,
- .ptr = &ttxc.freq,
.delta = 100,
},
{
.modes = ADJ_MAXERROR,
- .ptr = &ttxc.maxerror,
.delta = 100,
},
{
.modes = ADJ_ESTERROR,
- .ptr = &ttxc.esterror,
.delta = 100,
},
{
.modes = ADJ_TIMECONST,
- .ptr = &ttxc.constant,
.delta = 1,
},
{
.modes = ADJ_TICK,
.highlimit = 1100000,
- .ptr = &ttxc.tick,
.delta = 1000,
},
};
+static struct test_variants {
+ int (*func)(clockid_t clk_id, struct tst_timex *timex);
+ enum tst_timex_type type;
+ char *desc;
+} variants[] = {
+#if defined(TST_ABI32)
+ { .func = sys_clock_adjtime, .type = TST_LIBC_TIMEX, .desc = "syscall with libc spec"},
+#endif
+
+#if defined(TST_ABI64)
+ { .func = sys_clock_adjtime, .type = TST_KERN_TIMEX, .desc = "syscall with kernel spec64"},
+#endif
+
+#if (__NR_clock_adjtime64 != __LTP__NR_INVALID_SYSCALL)
+ { .func = sys_clock_adjtime64, .type = TST_KERN_TIMEX, .desc = "syscall time64 with kernel spec64"},
+#endif
+};
+
static void verify_clock_adjtime(unsigned int i)
{
- long ptroff, *ptr = NULL;
- struct timex verify;
+ struct test_variants *tv = &variants[tst_variant];
+ struct tst_timex verify;
+ long long val;
+ int rval;
- memset(&ttxc, 0, sizeof(struct timex));
- memset(&verify, 0, sizeof(struct timex));
+ memset(&ttxc, 0, sizeof(ttxc));
+ memset(&verify, 0, sizeof(verify));
- SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &ttxc);
- timex_show("GET", ttxc);
+ ttxc.type = verify.type = tv->type;
+
+ rval = tv->func(CLOCK_REALTIME, &ttxc);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
- ttxc.modes = tc[i].modes;
+ timex_show("GET", &ttxc);
- if (tc[i].ptr && tc[i].delta) {
+ timex_set_field_uint(&ttxc, ADJ_MODES, tc[i].modes);
- *tc[i].ptr += tc[i].delta;
+ if (tc[i].delta) {
+ val = timex_get_field_long(&ttxc, tc[i].modes);
+ val += tc[i].delta;
/* fix limits, if existent, so no errors occur */
+ if (tc[i].highlimit && val >= tc[i].highlimit)
+ val = tc[i].highlimit;
- if (tc[i].highlimit) {
- if (*tc[i].ptr >= tc[i].highlimit)
- *tc[i].ptr = tc[i].highlimit;
- }
+ timex_set_field_long(&ttxc, tc[i].modes, val);
}
- SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &ttxc);
- timex_show("SET", ttxc);
-
- if (tc[i].ptr) {
+ rval = tv->func(CLOCK_REALTIME, &ttxc);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
- /* adjtimex field being tested so we can verify later */
+ timex_show("SET", &ttxc);
- ptroff = (long) tc[i].ptr - (long) &ttxc;
- ptr = (void *) &verify + ptroff;
+ rval = tv->func(CLOCK_REALTIME, &verify);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
}
- TEST(sys_clock_adjtime(CLOCK_REALTIME, &verify));
- timex_show("VERIFY", verify);
+ timex_show("VERIFY", &verify);
- if (tc[i].ptr && *tc[i].ptr != *ptr) {
+ if (tc[i].delta &&
+ timex_get_field_long(&ttxc, tc[i].modes) !=
+ timex_get_field_long(&verify, tc[i].modes)) {
tst_res(TFAIL, "clock_adjtime(): could not set value (mode=%x)",
- tc[i].modes);
+ tc[i].modes);
}
if (TST_RET < 0) {
@@ -165,14 +189,23 @@ static void verify_clock_adjtime(unsigned int i)
static void setup(void)
{
+ struct test_variants *tv = &variants[tst_variant];
size_t i;
int rval;
- rval = SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &saved);
+ tst_res(TINFO, "Testing variant: %s", tv->desc);
+
+ saved.type = tv->type;
+ rval = tv->func(CLOCK_REALTIME, &saved);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
+
supported = 1;
if (rval != TIME_OK && rval != TIME_ERROR) {
- timex_show("SAVE_STATUS", saved);
+ timex_show("SAVE_STATUS", &saved);
tst_brk(TBROK | TTERRNO, "clock has on-going leap changes, "
"returned: %i", rval);
}
@@ -188,7 +221,7 @@ static void setup(void)
/* fix usec as being test default resolution */
- if (saved.modes & ADJ_NANO) {
+ if (timex_get_field_uint(&saved, ADJ_MODES) & ADJ_NANO) {
if (tc[i].modes == ADJ_OFFSET) {
tc[i].highlimit *= 1000;
tc[i].delta *= 1000;
@@ -199,21 +232,29 @@ static void setup(void)
static void cleanup(void)
{
+ struct test_variants *tv = &variants[tst_variant];
+ unsigned int modes = ADJ_ALL;
+ int rval;
+
if (supported == 0)
return;
- saved.modes = ADJ_ALL;
-
/* restore clock resolution based on original status flag */
- if (saved.status & STA_NANO)
- saved.modes |= ADJ_NANO;
+ if (timex_get_field_uint(&saved, ADJ_STATUS) & STA_NANO)
+ modes |= ADJ_NANO;
else
- saved.modes |= ADJ_MICRO;
+ modes |= ADJ_MICRO;
+
+ timex_set_field_uint(&saved, ADJ_MODES, modes);
/* restore original clock flags */
- SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &saved);
+ rval = tv->func(CLOCK_REALTIME, &saved);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
}
static struct tst_test test = {
@@ -221,6 +262,7 @@ static struct tst_test test = {
.setup = setup,
.cleanup = cleanup,
.tcnt = ARRAY_SIZE(tc),
+ .test_variants = ARRAY_SIZE(variants),
.needs_root = 1,
.restore_wallclock = 1,
};
diff --git a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime02.c b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime02.c
index ba8eae54f5ed..858a598eb9bb 100644
--- a/testcases/kernel/syscalls/clock_adjtime/clock_adjtime02.c
+++ b/testcases/kernel/syscalls/clock_adjtime/clock_adjtime02.c
@@ -56,9 +56,10 @@
*/
#include "clock_adjtime.h"
+#include "lapi/abisize.h"
static long hz;
-static struct timex saved, ttxc;
+static struct tst_timex saved, ttxc;
static int supported;
static void cleanup(void);
@@ -68,7 +69,6 @@ struct test_case {
unsigned int modes;
long lowlimit;
long highlimit;
- long *ptr;
long delta;
int exp_err;
int droproot;
@@ -92,7 +92,6 @@ struct test_case tc[] = {
.clktype = CLOCK_REALTIME,
.modes = ADJ_TICK,
.lowlimit = 900000,
- .ptr = &ttxc.tick,
.delta = 1,
.exp_err = EINVAL,
},
@@ -100,7 +99,6 @@ struct test_case tc[] = {
.clktype = CLOCK_REALTIME,
.modes = ADJ_TICK,
.highlimit = 1100000,
- .ptr = &ttxc.tick,
.delta = 1,
.exp_err = EINVAL,
},
@@ -112,19 +110,43 @@ struct test_case tc[] = {
},
};
+static struct test_variants {
+ int (*func)(clockid_t clk_id, struct tst_timex *timex);
+ enum tst_timex_type type;
+ char *desc;
+} variants[] = {
+#if defined(TST_ABI32)
+ { .func = sys_clock_adjtime, .type = TST_LIBC_TIMEX, .desc = "syscall with libc spec"},
+#endif
+
+#if defined(TST_ABI64)
+ { .func = sys_clock_adjtime, .type = TST_KERN_TIMEX, .desc = "syscall with kernel spec64"},
+#endif
+
+#if (__NR_clock_adjtime64 != __LTP__NR_INVALID_SYSCALL)
+ { .func = sys_clock_adjtime64, .type = TST_KERN_TIMEX, .desc = "syscall time64 with kernel spec64"},
+#endif
+};
+
static void verify_clock_adjtime(unsigned int i)
{
+ struct test_variants *tv = &variants[tst_variant];
uid_t whoami = 0;
- struct timex *txcptr;
+ struct tst_timex *txcptr = &ttxc;
struct passwd *nobody;
static const char name[] = "nobody";
+ int rval;
- txcptr = &ttxc;
+ memset(txcptr, 0, sizeof(*txcptr));
- memset(txcptr, 0, sizeof(struct timex));
+ txcptr->type = tv->type;
+ rval = tv->func(CLOCK_REALTIME, txcptr);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
- SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, txcptr);
- timex_show("GET", *txcptr);
+ timex_show("GET", txcptr);
if (tc[i].droproot) {
nobody = SAFE_GETPWNAM(name);
@@ -132,24 +154,24 @@ static void verify_clock_adjtime(unsigned int i)
SAFE_SETEUID(whoami);
}
- txcptr->modes = tc[i].modes;
-
- if (tc[i].ptr) {
+ timex_set_field_uint(txcptr, ADJ_MODES, tc[i].modes);
+ if (tc[i].delta) {
if (tc[i].lowlimit)
- *tc[i].ptr = tc[i].lowlimit - tc[i].delta;
+ timex_set_field_long(&ttxc, tc[i].modes, tc[i].lowlimit - tc[i].delta);
if (tc[i].highlimit)
- *tc[i].ptr = tc[i].highlimit + tc[i].delta;
+ timex_set_field_long(&ttxc, tc[i].modes, tc[i].highlimit + tc[i].delta);
}
/* special case: EFAULT for bad addresses */
if (tc[i].exp_err == EFAULT)
- txcptr = tst_get_bad_addr(cleanup);
+ txcptr->type = TST_KERN_TIMEX_BAD_ADDR;
+
+ TEST(tv->func(tc[i].clktype, txcptr));
- TEST(sys_clock_adjtime(tc[i].clktype, txcptr));
if (txcptr && tc[i].exp_err != EFAULT)
- timex_show("TEST", *txcptr);
+ timex_show("TEST", txcptr);
if (TST_RET >= 0) {
tst_res(TFAIL, "clock_adjtime(): passed unexpectedly (mode=%x, "
@@ -173,14 +195,23 @@ static void verify_clock_adjtime(unsigned int i)
static void setup(void)
{
+ struct test_variants *tv = &variants[tst_variant];
size_t i;
int rval;
- rval = SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &saved);
+ tst_res(TINFO, "Testing variant: %s", tv->desc);
+
+ saved.type = tv->type;
+ rval = tv->func(CLOCK_REALTIME, &saved);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
+
supported = 1;
if (rval != TIME_OK && rval != TIME_ERROR) {
- timex_show("SAVE_STATUS", saved);
+ timex_show("SAVE_STATUS", &saved);
tst_brk(TBROK | TTERRNO, "clock has on-going leap changes, "
"returned: %i", rval);
}
@@ -199,21 +230,29 @@ static void setup(void)
static void cleanup(void)
{
+ struct test_variants *tv = &variants[tst_variant];
+ unsigned int modes = ADJ_ALL;
+ int rval;
+
if (supported == 0)
return;
- saved.modes = ADJ_ALL;
-
/* restore clock resolution based on original status flag */
- if (saved.status & STA_NANO)
- saved.modes |= ADJ_NANO;
+ if (timex_get_field_uint(&saved, ADJ_STATUS) & STA_NANO)
+ modes |= ADJ_NANO;
else
- saved.modes |= ADJ_MICRO;
+ modes |= ADJ_MICRO;
+
+ timex_set_field_uint(&saved, ADJ_MODES, modes);
/* restore original clock flags */
- SAFE_CLOCK_ADJTIME(CLOCK_REALTIME, &saved);
+ rval = tv->func(CLOCK_REALTIME, &saved);
+ if (rval < 0) {
+ tst_res(TFAIL | TERRNO, "clock_adjtime() failed %i", rval);
+ return;
+ }
}
static struct tst_test test = {
@@ -221,6 +260,7 @@ static struct tst_test test = {
.setup = setup,
.cleanup = cleanup,
.tcnt = ARRAY_SIZE(tc),
+ .test_variants = ARRAY_SIZE(variants),
.needs_root = 1,
.restore_wallclock = 1,
};
--
2.25.0.rc1.19.g042ed3e048af
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