[dpdk-dev] [PATCH 03/15] pmd: Add PMD_REGISTER_DRIVER macro
Neil Horman
nhorman at tuxdriver.com
Tue Apr 15 20:05:57 CEST 2014
Rather than have each driver have to remember to add a constructor to it to make
sure its gets registered properly, wrap that process up in a macro to make
registration a one line affair. This also sets the stage for us to make
registration of vdev pmds and physical pmds a uniform process
Signed-off-by: Neil Horman <nhorman at tuxdriver.com>
---
lib/librte_eal/common/Makefile | 2 +-
lib/librte_eal/common/include/rte_pmd.h | 69 +++++++++++++++++++++++++++++++++
2 files changed, 70 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_eal/common/include/rte_pmd.h
diff --git a/lib/librte_eal/common/Makefile b/lib/librte_eal/common/Makefile
index 2f99bf4..b918a73 100644
--- a/lib/librte_eal/common/Makefile
+++ b/lib/librte_eal/common/Makefile
@@ -37,7 +37,7 @@ INC += rte_log.h rte_memcpy.h rte_memory.h rte_memzone.h rte_pci.h
INC += rte_pci_dev_ids.h rte_per_lcore.h rte_prefetch.h rte_random.h
INC += rte_rwlock.h rte_spinlock.h rte_tailq.h rte_interrupts.h rte_alarm.h
INC += rte_string_fns.h rte_cpuflags.h rte_version.h rte_tailq_elem.h
-INC += rte_eal_memconfig.h rte_malloc_heap.h
+INC += rte_eal_memconfig.h rte_malloc_heap.h rte_pmd.h
INC += rte_hexdump.h rte_devargs.h rte_vdev.h
ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y)
diff --git a/lib/librte_eal/common/include/rte_pmd.h b/lib/librte_eal/common/include/rte_pmd.h
new file mode 100644
index 0000000..b37fa28
--- /dev/null
+++ b/lib/librte_eal/common/include/rte_pmd.h
@@ -0,0 +1,69 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 Neil Horman <nhorman at tuxdriver.com.
+ * All rights reserved.
+ *
+ * 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 Intel Corporation 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.
+ */
+
+/**
+ * @file
+ *
+ * API for error cause tracking
+ */
+
+#ifndef _RTE_PMD_H_
+#define _RTE_PMD_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum rte_pmd_driver_type {
+ PMD_VDEV = 1
+};
+
+extern void rte_eal_nonpci_dev_init_register(const char *name, int (*dev_initfn)(const char *, const char *));
+#define PMD_REGISTER_DRIVER(d, t)\
+void devinitfn_ ##d(void);\
+void __attribute__((constructor, used)) devinitfn_ ##d(void)\
+{\
+ enum rte_pmd_driver_type _t = (t);\
+ switch(_t)\
+ {\
+ case PMD_VDEV:\
+ rte_eal_vdev_driver_register(&d);\
+ break;\
+ };\
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_PMD_H_ */
--
1.8.3.1
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