Implemented the needed Windows eal timer functions.
Signed-off-by: Fady Bader <f...@mellanox.com>
---
lib/librte_eal/common/meson.build | 1 +
lib/librte_eal/windows/eal.c | 6 +++
lib/librte_eal/windows/eal_timer.c | 67 +++++++++++++++++++++++++++++++++
lib/librte_eal/windows/include/rte_os.h | 2 +
lib/librte_eal/windows/meson.build | 1 +
5 files changed, 77 insertions(+)
create mode 100644 lib/librte_eal/windows/eal_timer.c
diff --git a/lib/librte_eal/common/meson.build
b/lib/librte_eal/common/meson.build
index 6dcdcc890..532330e6d 100644
--- a/lib/librte_eal/common/meson.build
+++ b/lib/librte_eal/common/meson.build
@@ -20,6 +20,7 @@ if is_windows
'eal_common_options.c',
'eal_common_tailqs.c',
'eal_common_thread.c',
+ 'eal_common_timer.c',
'malloc_elem.c',
'malloc_heap.c',
'rte_malloc.c',
diff --git a/lib/librte_eal/windows/eal.c b/lib/librte_eal/windows/eal.c
index 38f17f09c..32853fbac 100644
--- a/lib/librte_eal/windows/eal.c
+++ b/lib/librte_eal/windows/eal.c
@@ -400,6 +400,12 @@ rte_eal_init(int argc, char **argv)
return -1;
}
+ if (rte_eal_timer_init() < 0) {
+ rte_eal_init_alert("Cannot init TSC timer");
+ rte_errno = EFAULT;
+ return -1;
+ }
+
eal_thread_init_master(rte_config.master_lcore);
RTE_LCORE_FOREACH_SLAVE(i) {
diff --git a/lib/librte_eal/windows/eal_timer.c
b/lib/librte_eal/windows/eal_timer.c
new file mode 100644
index 000000000..73eaff948
--- /dev/null
+++ b/lib/librte_eal/windows/eal_timer.c
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+#include <inttypes.h>
+#include <time.h>
+
+#include <rte_windows.h>
+#include <rte_common.h>
+#include <rte_log.h>
+#include <rte_cycles.h>
+#include <rte_eal.h>
+#include <rte_errno.h>
+
+/* The frequency of the RDTSC timer resolution */
+static uint64_t eal_tsc_resolution_hz;
+
+void
+rte_delay_us_sleep(unsigned int us)
+{
+ LONGLONG ns = us * 1000;
+ HANDLE timer;
+ LARGE_INTEGER liDueTime;
+ /* create waitable timer */
+ timer = CreateWaitableTimer(NULL, TRUE, NULL);
+ if(!timer){
+ /* didnt find any better errno val */
+ rte_errno = EINVAL;
+ return;
+ }
+
+ /* set us microseconds time for timer */
+ liDueTime.QuadPart = -ns;
+ if(!SetWaitableTimer(timer, &liDueTime, 0, NULL, NULL, FALSE)){
+ CloseHandle(timer);
+ /* didnt find any better errno val */
+ rte_errno = EFAULT;
+ return;
+ }
+ /* start wait for timer for us microseconds */
+ WaitForSingleObject(timer, INFINITE);
+ CloseHandle(timer);
+}
+
+uint64_t
+get_tsc_freq(void)
+{
+ uint64_t tsc_freq;
+ LARGE_INTEGER Frequency;
+
+ QueryPerformanceFrequency(&Frequency);
+ /*
+ QueryPerformanceFrequency output is in khz.
+ Mulitply by 1K to obtain the true frequency of the CPU (khz -> hz)
+ */
+ tsc_freq = ((uint64_t)Frequency.QuadPart * 1000);
+
+ return tsc_freq;
+}
+
+
+int
+rte_eal_timer_init(void)
+{
+ set_tsc_freq();
+ return 0;
+}
+
diff --git a/lib/librte_eal/windows/include/rte_os.h
b/lib/librte_eal/windows/include/rte_os.h
index 62805a307..951a14d72 100644
--- a/lib/librte_eal/windows/include/rte_os.h
+++ b/lib/librte_eal/windows/include/rte_os.h
@@ -24,6 +24,8 @@ extern "C" {
#define PATH_MAX _MAX_PATH
#endif
+#define sleep(x) Sleep(1000 * x)
+
#define strerror_r(a, b, c) strerror_s(b, c, a)
/* strdup is deprecated in Microsoft libc and _strdup is preferred */
diff --git a/lib/librte_eal/windows/meson.build
b/lib/librte_eal/windows/meson.build
index 0bd56cd8f..769cde797 100644
--- a/lib/librte_eal/windows/meson.build
+++ b/lib/librte_eal/windows/meson.build
@@ -12,6 +12,7 @@ sources += files(
'eal_memory.c',
'eal_mp.c',
'eal_thread.c',
+ 'eal_timer.c',
'getopt.c',
)
--
2.16.1.windows.4
