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From: Harman Kalra <hkalra@marvell.com>
To: <dev@dpdk.org>, Bruce Richardson <bruce.richardson@intel.com>
Cc: Harman Kalra <hkalra@marvell.com>
Subject: [dpdk-dev] [RFC 7/7] eal/alarm: introduce alarm fini routine
Date: Thu, 26 Aug 2021 20:27:26 +0530
Message-ID: <20210826145726.102081-8-hkalra@marvell.com> (raw)
In-Reply-To: <20210826145726.102081-1-hkalra@marvell.com>

Implementing alarm cleanup routine, where the memory allocated
for interrupt instance can be freed.

Signed-off-by: Harman Kalra <hkalra@marvell.com>
---
 lib/eal/common/eal_private.h | 11 ++++++++
 lib/eal/freebsd/eal.c        |  1 +
 lib/eal/freebsd/eal_alarm.c  | 50 +++++++++++++++++++++++++++++++-----
 lib/eal/linux/eal.c          |  1 +
 lib/eal/linux/eal_alarm.c    | 10 +++++++-
 5 files changed, 66 insertions(+), 7 deletions(-)

diff --git a/lib/eal/common/eal_private.h b/lib/eal/common/eal_private.h
index 64cf4e81c8..ed429dec9d 100644
--- a/lib/eal/common/eal_private.h
+++ b/lib/eal/common/eal_private.h
@@ -162,6 +162,17 @@ int rte_eal_intr_init(void);
  */
 int rte_eal_alarm_init(void);
 
+/**
+ * Init alarm mechanism. This is to allow a callback be called after
+ * specific time.
+ *
+ * This function is private to EAL.
+ *
+ * @return
+ *  0 on success, negative on error
+ */
+void rte_eal_alarm_fini(void);
+
 /**
  * Function is to check if the kernel module(like, vfio, vfio_iommu_type1,
  * etc.) loaded.
diff --git a/lib/eal/freebsd/eal.c b/lib/eal/freebsd/eal.c
index 6cee5ae369..7efead4f48 100644
--- a/lib/eal/freebsd/eal.c
+++ b/lib/eal/freebsd/eal.c
@@ -973,6 +973,7 @@ rte_eal_cleanup(void)
 	rte_eal_memory_detach();
 	rte_trace_save();
 	eal_trace_fini();
+	rte_eal_alarm_fini();
 	eal_cleanup_config(internal_conf);
 	return 0;
 }
diff --git a/lib/eal/freebsd/eal_alarm.c b/lib/eal/freebsd/eal_alarm.c
index 07baecd64f..33855393a6 100644
--- a/lib/eal/freebsd/eal_alarm.c
+++ b/lib/eal/freebsd/eal_alarm.c
@@ -32,7 +32,7 @@
 
 struct alarm_entry {
 	LIST_ENTRY(alarm_entry) next;
-	struct rte_intr_handle handle;
+	struct rte_intr_handle *handle;
 	struct timespec time;
 	rte_eal_alarm_callback cb_fn;
 	void *cb_arg;
@@ -43,7 +43,7 @@ struct alarm_entry {
 static LIST_HEAD(alarm_list, alarm_entry) alarm_list = LIST_HEAD_INITIALIZER();
 static rte_spinlock_t alarm_list_lk = RTE_SPINLOCK_INITIALIZER;
 
-static struct rte_intr_handle intr_handle = {.fd = -1 };
+static struct rte_intr_handle *intr_handle;
 static void eal_alarm_callback(void *arg);
 
 void
@@ -56,16 +56,40 @@ rte_eal_alarm_fini(void)
 int
 rte_eal_alarm_init(void)
 {
-	intr_handle.type = RTE_INTR_HANDLE_ALARM;
+	int fd;
+
+	intr_handle =
+		rte_intr_handle_instance_alloc(RTE_INTR_HANDLE_DEFAULT_SIZE,
+					       false);
+	if (!intr_handle) {
+		RTE_LOG(ERR, EAL, "Fail to allocate intr_handle\n");
+		goto error;
+	}
+
+	if (rte_intr_handle_type_set(intr_handle, RTE_INTR_HANDLE_ALARM))
+		goto error;
+
+	if (rte_intr_handle_fd_set(intr_handle, -1))
+		goto error;
 
 	/* on FreeBSD, timers don't use fd's, and their identifiers are stored
 	 * in separate namespace from fd's, so using any value is OK. however,
 	 * EAL interrupts handler expects fd's to be unique, so use an actual fd
 	 * to guarantee unique timer identifier.
 	 */
-	intr_handle.fd = open("/dev/zero", O_RDONLY);
+	fd = open("/dev/zero", O_RDONLY);
 
+	if (rte_intr_handle_fd_set(intr_handle, fd))
+		goto fail;
 	return 0;
+fail:
+	close(fd);
+error:
+	if (intr_handle)
+		rte_intr_handle_instance_free(intr_handle);
+
+	rte_intr_handle_fd_set(intr_handle, -1);
+	return -1;
 }
 
 static inline int
@@ -125,7 +149,7 @@ unregister_current_callback(void)
 		ap = LIST_FIRST(&alarm_list);
 
 		do {
-			ret = rte_intr_callback_unregister(&intr_handle,
+			ret = rte_intr_callback_unregister(intr_handle,
 				eal_alarm_callback, &ap->time);
 		} while (ret == -EAGAIN);
 	}
@@ -143,7 +167,7 @@ register_first_callback(void)
 		ap = LIST_FIRST(&alarm_list);
 
 		/* register a new callback */
-		ret = rte_intr_callback_register(&intr_handle,
+		ret = rte_intr_callback_register(intr_handle,
 				eal_alarm_callback, &ap->time);
 	}
 	return ret;
@@ -171,6 +195,8 @@ eal_alarm_callback(void *arg __rte_unused)
 		rte_spinlock_lock(&alarm_list_lk);
 
 		LIST_REMOVE(ap, next);
+		if (ap->handle)
+			rte_intr_handle_instance_free(ap->handle);
 		free(ap);
 
 		ap = LIST_FIRST(&alarm_list);
@@ -209,6 +235,12 @@ rte_eal_alarm_set(uint64_t us, rte_eal_alarm_callback cb_fn, void *cb_arg)
 	new_alarm->time.tv_nsec = (now.tv_nsec + ns) % NS_PER_S;
 	new_alarm->time.tv_sec = now.tv_sec + ((now.tv_nsec + ns) / NS_PER_S);
 
+	new_alarm->handle =
+		rte_intr_handle_instance_alloc(RTE_INTR_HANDLE_DEFAULT_SIZE,
+					       false);
+	if (new_alarm->handle == NULL)
+		return -ENOMEM;
+
 	rte_spinlock_lock(&alarm_list_lk);
 
 	if (LIST_EMPTY(&alarm_list))
@@ -263,6 +295,9 @@ rte_eal_alarm_cancel(rte_eal_alarm_callback cb_fn, void *cb_arg)
 			if (ap->executing == 0) {
 				LIST_REMOVE(ap, next);
 				free(ap);
+				if (ap->handle)
+					rte_intr_handle_instance_free(
+								ap->handle);
 				count++;
 			} else {
 				/* If calling from other context, mark that
@@ -289,6 +324,9 @@ rte_eal_alarm_cancel(rte_eal_alarm_callback cb_fn, void *cb_arg)
 					 cb_arg == ap->cb_arg)) {
 				if (ap->executing == 0) {
 					LIST_REMOVE(ap, next);
+					if (ap->handle)
+						rte_intr_handle_instance_free(
+								ap->handle);
 					free(ap);
 					count++;
 					ap = ap_prev;
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index 3577eaeaa4..5c8af85ad5 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -1370,6 +1370,7 @@ rte_eal_cleanup(void)
 	rte_eal_memory_detach();
 	rte_trace_save();
 	eal_trace_fini();
+	rte_eal_alarm_fini();
 	eal_cleanup_config(internal_conf);
 	return 0;
 }
diff --git a/lib/eal/linux/eal_alarm.c b/lib/eal/linux/eal_alarm.c
index e959fba27b..5dd804f83c 100644
--- a/lib/eal/linux/eal_alarm.c
+++ b/lib/eal/linux/eal_alarm.c
@@ -58,6 +58,13 @@ static struct rte_intr_handle *intr_handle;
 static int handler_registered = 0;
 static void eal_alarm_callback(void *arg);
 
+void
+rte_eal_alarm_fini(void)
+{
+	if (intr_handle)
+		rte_intr_handle_instance_free(intr_handle);
+}
+
 int
 rte_eal_alarm_init(void)
 {
@@ -70,7 +77,8 @@ rte_eal_alarm_init(void)
 		goto error;
 	}
 
-	rte_intr_handle_type_set(intr_handle, RTE_INTR_HANDLE_ALARM);
+	if (rte_intr_handle_type_set(intr_handle, RTE_INTR_HANDLE_ALARM))
+		goto error;
 
 	/* create a timerfd file descriptor */
 	if (rte_intr_handle_fd_set(intr_handle,
-- 
2.18.0


  parent reply	other threads:[~2021-08-26 14:58 UTC|newest]

Thread overview: 152+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-26 14:57 [dpdk-dev] [RFC 0/7] make rte_intr_handle internal Harman Kalra
2021-08-26 14:57 ` [dpdk-dev] [RFC 1/7] eal: interrupt handle API prototypes Harman Kalra
2021-08-31 15:52   ` Kinsella, Ray
2021-08-26 14:57 ` [dpdk-dev] [RFC 2/7] eal/interrupts: implement get set APIs Harman Kalra
2021-08-31 15:53   ` Kinsella, Ray
2021-08-26 14:57 ` [dpdk-dev] [RFC 3/7] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-08-26 14:57 ` [dpdk-dev] [RFC 4/7] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-08-26 14:57 ` [dpdk-dev] [RFC 5/7] drivers: remove direct access to interrupt handle fields Harman Kalra
2021-08-26 14:57 ` [dpdk-dev] [RFC 6/7] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-08-26 14:57 ` Harman Kalra [this message]
2021-09-03 12:40 ` [dpdk-dev] [PATCH v1 0/7] make rte_intr_handle internal Harman Kalra
2021-09-03 12:40   ` [dpdk-dev] [PATCH v1 1/7] eal: interrupt handle API prototypes Harman Kalra
2021-09-03 12:40   ` [dpdk-dev] [PATCH v1 2/7] eal/interrupts: implement get set APIs Harman Kalra
2021-09-28 15:46     ` David Marchand
2021-10-04  8:51       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-04  9:57         ` David Marchand
2021-10-12 15:22           ` Thomas Monjalon
2021-10-13 17:54             ` Harman Kalra
2021-10-13 17:57               ` Harman Kalra
2021-10-13 18:52                 ` Thomas Monjalon
2021-10-14  8:22                   ` Thomas Monjalon
2021-10-14  9:31                     ` Harman Kalra
2021-10-14  9:37                       ` David Marchand
2021-10-14  9:41                       ` Thomas Monjalon
2021-10-14 10:31                         ` Harman Kalra
2021-10-14 10:35                           ` Thomas Monjalon
2021-10-14 10:44                             ` Harman Kalra
2021-10-14 12:04                               ` Thomas Monjalon
2021-10-14 10:25                       ` Dmitry Kozlyuk
2021-10-03 18:05     ` [dpdk-dev] " Dmitry Kozlyuk
2021-10-04 10:37       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-04 11:18         ` Dmitry Kozlyuk
2021-10-04 14:03           ` Harman Kalra
2021-09-03 12:40   ` [dpdk-dev] [PATCH v1 3/7] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-09-03 12:40   ` [dpdk-dev] [PATCH v1 4/7] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-09-03 12:41   ` [dpdk-dev] [PATCH v1 5/7] drivers: remove direct access to interrupt handle fields Harman Kalra
2021-09-03 12:41   ` [dpdk-dev] [PATCH v1 6/7] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-10-03 18:16     ` Dmitry Kozlyuk
2021-10-04 14:09       ` [dpdk-dev] [EXT] " Harman Kalra
2021-09-03 12:41   ` [dpdk-dev] [PATCH v1 7/7] eal/alarm: introduce alarm fini routine Harman Kalra
2021-09-15 14:13   ` [dpdk-dev] [PATCH v1 0/7] make rte_intr_handle internal Harman Kalra
2021-09-23  8:20   ` David Marchand
2021-10-05 12:14 ` [dpdk-dev] [PATCH v2 0/6] " Harman Kalra
2021-10-05 12:14   ` [dpdk-dev] [PATCH v2 1/6] eal/interrupts: implement get set APIs Harman Kalra
2021-10-14  0:58     ` Dmitry Kozlyuk
2021-10-14 17:15       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-14 17:53         ` Dmitry Kozlyuk
2021-10-15  7:53           ` Thomas Monjalon
2021-10-14  7:31     ` [dpdk-dev] " David Marchand
2021-10-05 12:14   ` [dpdk-dev] [PATCH v2 2/6] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-10-14  0:59     ` Dmitry Kozlyuk
2021-10-14 17:31       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-14 17:53         ` Dmitry Kozlyuk
2021-10-05 12:14   ` [dpdk-dev] [PATCH v2 3/6] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-10-05 12:15   ` [dpdk-dev] [PATCH v2 4/6] drivers: remove direct access to interrupt handle Harman Kalra
2021-10-05 12:15   ` [dpdk-dev] [PATCH v2 5/6] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-10-05 12:15   ` [dpdk-dev] [PATCH v2 6/6] eal/alarm: introduce alarm fini routine Harman Kalra
2021-10-05 16:07 ` [dpdk-dev] [RFC 0/7] make rte_intr_handle internal Stephen Hemminger
2021-10-07 10:57   ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-18 19:37 ` [dpdk-dev] [PATCH v3 " Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 1/7] malloc: introduce malloc is ready API Harman Kalra
2021-10-19 15:53     ` Thomas Monjalon
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 2/7] eal/interrupts: implement get set APIs Harman Kalra
2021-10-18 22:07     ` Dmitry Kozlyuk
2021-10-19  8:50       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-19 18:44         ` Harman Kalra
2021-10-18 22:56     ` [dpdk-dev] " Stephen Hemminger
2021-10-19  8:32       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-19 15:58         ` Thomas Monjalon
2021-10-20 15:30         ` Dmitry Kozlyuk
2021-10-21  9:16           ` Harman Kalra
2021-10-21 12:33             ` Dmitry Kozlyuk
2021-10-21 13:32               ` David Marchand
2021-10-21 16:05                 ` Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 3/7] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 4/7] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 5/7] drivers: remove direct access to interrupt handle Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 6/7] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-10-18 19:37   ` [dpdk-dev] [PATCH v3 7/7] eal/alarm: introduce alarm fini routine Harman Kalra
2021-10-19 18:35 ` [dpdk-dev] [PATCH v4 0/7] make rte_intr_handle internal Harman Kalra
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 1/7] malloc: introduce malloc is ready API Harman Kalra
2021-10-19 22:01     ` Dmitry Kozlyuk
2021-10-19 22:04       ` Dmitry Kozlyuk
2021-10-20  9:01         ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 2/7] eal/interrupts: implement get set APIs Harman Kalra
2021-10-20  6:14     ` David Marchand
2021-10-20 14:29       ` Dmitry Kozlyuk
2021-10-20 16:15     ` Dmitry Kozlyuk
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 3/7] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-10-19 21:27     ` Dmitry Kozlyuk
2021-10-20  9:25       ` [dpdk-dev] [EXT] " Harman Kalra
2021-10-20  9:52         ` Dmitry Kozlyuk
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 4/7] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 5/7] drivers: remove direct access to interrupt handle Harman Kalra
2021-10-20  1:57     ` Hyong Youb Kim (hyonkim)
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 6/7] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-10-19 18:35   ` [dpdk-dev] [PATCH v4 7/7] eal/alarm: introduce alarm fini routine Harman Kalra
2021-10-19 21:39     ` Dmitry Kozlyuk
2021-10-22 20:49 ` [dpdk-dev] [PATCH v5 0/6] make rte_intr_handle internal Harman Kalra
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 1/6] eal/interrupts: implement get set APIs Harman Kalra
2021-10-22 23:33     ` Dmitry Kozlyuk
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 2/6] eal/interrupts: avoid direct access to interrupt handle Harman Kalra
2021-10-22 23:33     ` Dmitry Kozlyuk
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 3/6] test/interrupt: apply get set interrupt handle APIs Harman Kalra
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 4/6] drivers: remove direct access to interrupt handle Harman Kalra
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 5/6] eal/interrupts: make interrupt handle structure opaque Harman Kalra
2021-10-22 23:33     ` Dmitry Kozlyuk
2021-10-22 20:49   ` [dpdk-dev] [PATCH v5 6/6] eal/alarm: introduce alarm fini routine Harman Kalra
2021-10-22 23:33     ` Dmitry Kozlyuk
2021-10-22 23:37       ` Dmitry Kozlyuk
2021-10-24 20:04   ` [dpdk-dev] [PATCH v6 0/9] make rte_intr_handle internal David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 1/9] interrupts: add allocator and accessors David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 2/9] interrupts: remove direct access to interrupt handle David Marchand
2021-10-25  6:57       ` David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 3/9] test/interrupts: " David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 4/9] alarm: " David Marchand
2021-10-25 10:49       ` Dmitry Kozlyuk
2021-10-25 11:09         ` David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 5/9] lib: " David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 6/9] drivers: " David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 7/9] interrupts: make interrupt handle structure opaque David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 8/9] interrupts: rename device specific file descriptor David Marchand
2021-10-24 20:04     ` [dpdk-dev] [PATCH v6 9/9] interrupts: extend event list David Marchand
2021-10-25 10:49       ` Dmitry Kozlyuk
2021-10-25 11:11         ` David Marchand
2021-10-25 13:04   ` [dpdk-dev] [PATCH v5 0/6] make rte_intr_handle internal Raslan Darawsheh
2021-10-25 13:09     ` David Marchand
2021-10-25 13:34   ` [dpdk-dev] [PATCH v7 0/9] " David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 1/9] interrupts: add allocator and accessors David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 2/9] interrupts: remove direct access to interrupt handle David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 3/9] test/interrupts: " David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 4/9] alarm: " David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 5/9] lib: " David Marchand
2021-10-28  6:14       ` Jiang, YuX
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 6/9] drivers: " David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 7/9] interrupts: make interrupt handle structure opaque David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 8/9] interrupts: rename device specific file descriptor David Marchand
2021-10-25 13:34     ` [dpdk-dev] [PATCH v7 9/9] interrupts: extend event list David Marchand
2021-10-25 14:27   ` [dpdk-dev] [PATCH v8 0/9] make rte_intr_handle internal David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 1/9] interrupts: add allocator and accessors David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 2/9] interrupts: remove direct access to interrupt handle David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 3/9] test/interrupts: " David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 4/9] alarm: " David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 5/9] lib: " David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 6/9] drivers: " David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 7/9] interrupts: make interrupt handle structure opaque David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 8/9] interrupts: rename device specific file descriptor David Marchand
2021-10-25 14:27     ` [dpdk-dev] [PATCH v8 9/9] interrupts: extend event list David Marchand
2021-10-28 15:58       ` Ji, Kai
2021-10-28 17:16         ` David Marchand
2021-10-25 14:32     ` [dpdk-dev] [PATCH v8 0/9] make rte_intr_handle internal Raslan Darawsheh
2021-10-25 19:24     ` David Marchand

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