From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
To: harry.van.haaren@intel.com, thomas@monjalon.net
Cc: dev@dpdk.org, Pavan Bhagavatula <pbhagavatula@caviumnetworks.com>
Subject: [dpdk-dev] [PATCH v2] eal: add function to check lcore role
Date: Thu, 21 Sep 2017 14:28:11 +0530 [thread overview]
Message-ID: <1505984291-18702-1-git-send-email-pbhagavatula@caviumnetworks.com> (raw)
In-Reply-To: <1503501027-11046-1-git-send-email-pbhagavatula@caviumnetworks.com>
From: Pavan Bhagavatula <pbhagavatula@caviumnetworks.com>
This function can be used to check the role of a specific lcore.
Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
---
v2 changs:
- removed ack due to significant changes in patch
- addressed review comments
- modified commit title and message
lib/librte_eal/bsdapp/eal/Makefile | 1 +
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 6 +++
lib/librte_eal/common/include/rte_lcore.h | 14 +++++++
lib/librte_eal/common/rte_lcore.c | 49 +++++++++++++++++++++++++
lib/librte_eal/linuxapp/eal/Makefile | 1 +
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 6 +++
6 files changed, 77 insertions(+)
create mode 100644 lib/librte_eal/common/rte_lcore.c
diff --git a/lib/librte_eal/bsdapp/eal/Makefile b/lib/librte_eal/bsdapp/eal/Makefile
index 005019e..f1263fc 100644
--- a/lib/librte_eal/bsdapp/eal/Makefile
+++ b/lib/librte_eal/bsdapp/eal/Makefile
@@ -88,6 +88,7 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_elem.c
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += malloc_heap.c
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_keepalive.c
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_service.c
+SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_lcore.c
# from arch dir
SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_cpuflags.c
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index aac6fd7..3be3287 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -237,3 +237,9 @@ EXPERIMENTAL {
rte_service_unregister;
} DPDK_17.08;
+
+DPDK_17.11 {
+ global:
+
+ rte_lcore_has_role;
+} DPDK_17.08;
diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h
index 50e0d0f..777208d 100644
--- a/lib/librte_eal/common/include/rte_lcore.h
+++ b/lib/librte_eal/common/include/rte_lcore.h
@@ -262,6 +262,20 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp);
*/
int rte_thread_setname(pthread_t id, const char *name);
+/**
+ * Test if the core supplied has a specific role
+ *
+ * @param lcore_id
+ * The identifier of the lcore, which MUST be between 0 and
+ * RTE_MAX_LCORE-1.
+ * @param role
+ * The role to be checked against.
+ * @return
+ * On success, return 0; otherwise return a negative value.
+ */
+int
+rte_lcore_has_role(unsigned lcore_id, enum rte_lcore_role_t role);
+
#ifdef __cplusplus
}
#endif
diff --git a/lib/librte_eal/common/rte_lcore.c b/lib/librte_eal/common/rte_lcore.c
new file mode 100644
index 0000000..66c03f4
--- /dev/null
+++ b/lib/librte_eal/common/rte_lcore.c
@@ -0,0 +1,49 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright (C) Cavium, Inc. 2017.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Cavium, Inc nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_common.h>
+#include <rte_lcore.h>
+
+
+int
+rte_lcore_has_role(unsigned lcore_id, enum rte_lcore_role_t role)
+{
+ struct rte_config *cfg = rte_eal_get_configuration();
+
+ if (lcore_id >= RTE_MAX_LCORE)
+ return -EINVAL;
+
+ if (cfg->lcore_role[lcore_id] == role)
+ return 0;
+
+ return -EINVAL;
+}
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d..9596acb 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -100,6 +100,7 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += malloc_elem.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += malloc_heap.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_keepalive.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_service.c
+SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_lcore.c
# from arch dir
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_cpuflags.c
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 3a8f154..7304a34 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -242,3 +242,9 @@ EXPERIMENTAL {
rte_service_unregister;
} DPDK_17.08;
+
+DPDK_17.11 {
+ global:
+
+ rte_lcore_has_role;
+} DPDK_17.08;
--
2.7.4
next prev parent reply other threads:[~2017-09-21 8:58 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-23 15:10 [dpdk-dev] [PATCH] eal: added new `rte_lcore_is_service_lcore` API Pavan Nikhilesh
2017-08-28 10:59 ` Van Haaren, Harry
2017-08-28 11:33 ` Pavan Nikhilesh Bhagavatula
2017-08-28 13:49 ` Van Haaren, Harry
2017-08-28 15:09 ` Pavan Nikhilesh Bhagavatula
2017-08-28 15:24 ` Van Haaren, Harry
2017-08-28 15:43 ` Pavan Nikhilesh Bhagavatula
2017-08-29 13:17 ` Van Haaren, Harry
2017-08-29 13:44 ` Pavan Nikhilesh Bhagavatula
2017-09-15 13:52 ` Thomas Monjalon
2017-09-15 13:57 ` Van Haaren, Harry
2017-09-15 14:41 ` Pavan Nikhilesh Bhagavatula
2017-09-15 14:44 ` Van Haaren, Harry
2017-09-15 14:59 ` Pavan Nikhilesh Bhagavatula
2017-09-15 15:51 ` Thomas Monjalon
2017-09-15 17:37 ` Pavan Nikhilesh Bhagavatula
2017-09-20 14:53 ` Van Haaren, Harry
2017-09-20 15:53 ` Thomas Monjalon
2017-09-20 17:31 ` Pavan Nikhilesh Bhagavatula
2017-09-21 8:58 ` Pavan Nikhilesh [this message]
2017-09-21 9:41 ` [dpdk-dev] [PATCH v2] eal: add function to check lcore role Van Haaren, Harry
2017-09-21 10:03 ` Pavan Nikhilesh Bhagavatula
2017-09-21 10:59 ` [dpdk-dev] [PATCH v3] " Pavan Nikhilesh
2017-10-11 20:14 ` Thomas Monjalon
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