[dpdk-dev] [PATCH 02/11] devices-args: introduce rte_devargs in eal

Olivier Matz olivier.matz at 6wind.com
Fri Feb 28 18:25:41 CET 2014


This commit introduces a new API for storing device arguments given by
the user. It only adds the framework and the test. The modification of
EAL to use this new module is done in next commit.

The final goals:

- unify pci-blacklist, pci-whitelist, and virtual devices arguments
  in one file
- allow to register a virtual device driver from a dpdk extension
  provided as a shared library. For that we will require to remove
  references to rte_pmd_ring and rte_pmd_pcap in argument parsing code
- clarify the API of eal_common_whitelist.c, and rework its code that is
  often complex for no reason.
- support arguments for PCI devices and possibly future non-PCI devices
  (other than virtual devices) without effort.

Test result:

echo 100 > /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages
echo 100 > /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages
./app/test -c 0x15 -n 3 -m 64
RTE>>eal_flags_autotest
[...]
Test OK

Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
 app/test/Makefile                           |   1 +
 app/test/commands.c                         |   3 +
 app/test/test.h                             |   1 +
 app/test/test_devargs.c                     | 132 ++++++++++++++++++++++++
 lib/librte_eal/common/Makefile              |   2 +-
 lib/librte_eal/common/eal_common_devargs.c  | 153 ++++++++++++++++++++++++++++
 lib/librte_eal/common/include/rte_devargs.h | 140 +++++++++++++++++++++++++
 lib/librte_eal/linuxapp/eal/Makefile        |   1 +
 8 files changed, 432 insertions(+), 1 deletion(-)
 create mode 100644 app/test/test_devargs.c
 create mode 100644 lib/librte_eal/common/eal_common_devargs.c
 create mode 100644 lib/librte_eal/common/include/rte_devargs.h

diff --git a/app/test/Makefile b/app/test/Makefile
index 28f1f62..b49785e 100644
--- a/app/test/Makefile
+++ b/app/test/Makefile
@@ -93,6 +93,7 @@ SRCS-$(CONFIG_RTE_APP_TEST) += test_power.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_common.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_timer_perf.c
 SRCS-$(CONFIG_RTE_APP_TEST) += test_ivshmem.c
+SRCS-$(CONFIG_RTE_APP_TEST) += test_devargs.c
 
 ifeq ($(CONFIG_RTE_APP_TEST),y)
 SRCS-$(CONFIG_RTE_LIBRTE_ACL) += test_acl.c
diff --git a/app/test/commands.c b/app/test/commands.c
index a153026..7595b4c 100644
--- a/app/test/commands.c
+++ b/app/test/commands.c
@@ -178,6 +178,8 @@ static void cmd_autotest_parsed(void *parsed_result,
 		ret = test_common();
 	if (!strcmp(res->autotest, "ivshmem_autotest"))
 		ret = test_ivshmem();
+	if (!strcmp(res->autotest, "devargs_autotest"))
+		ret = test_devargs();
 #ifdef RTE_LIBRTE_PMD_RING
 	if (!strcmp(res->autotest, "ring_pmd_autotest"))
 		ret = test_pmd_ring();
@@ -223,6 +225,7 @@ cmdline_parse_token_string_t cmd_autotest_autotest =
 			"red_autotest#meter_autotest#sched_autotest#"
 			"memcpy_perf_autotest#kni_autotest#"
 			"pm_autotest#ivshmem_autotest#"
+			"devargs_autotest#"
 #ifdef RTE_LIBRTE_ACL
 			"acl_autotest#"
 #endif
diff --git a/app/test/test.h b/app/test/test.h
index bc001b9..1945d29 100644
--- a/app/test/test.h
+++ b/app/test/test.h
@@ -93,6 +93,7 @@ int test_common(void);
 int test_pmd_ring(void);
 int test_ivshmem(void);
 int test_kvargs(void);
+int test_devargs(void);
 
 int test_pci_run;
 
diff --git a/app/test/test_devargs.c b/app/test/test_devargs.c
new file mode 100644
index 0000000..4d45d53
--- /dev/null
+++ b/app/test/test_devargs.c
@@ -0,0 +1,132 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2014 6WIND S.A.
+ *   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 6WIND S.A 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/queue.h>
+
+#include <rte_debug.h>
+#include <rte_devargs.h>
+
+#include "test.h"
+
+/* clear devargs list that was modified by the test */
+static void free_devargs_list(void)
+{
+	struct rte_devargs *devargs;
+
+	while (!TAILQ_EMPTY(&devargs_list)) {
+		devargs = TAILQ_FIRST(&devargs_list);
+		TAILQ_REMOVE(&devargs_list, devargs, next);
+		free(devargs);
+	}
+}
+
+int
+test_devargs(void)
+{
+	struct rte_devargs_list save_devargs_list;
+	struct rte_devargs *devargs;
+
+	/* save the real devargs_list, it is restored at the end of the test */
+	save_devargs_list = devargs_list;
+	TAILQ_INIT(&devargs_list);
+
+	/* test valid cases */
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "08:00.1") < 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "0000:5:00.0") < 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, "04:00.0;arg=val") < 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI, "0000:01:00.1") < 0)
+		goto fail;
+	if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 2)
+		goto fail;
+	if (rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 2)
+		goto fail;
+	if (rte_eal_devargs_type_count(RTE_DEVTYPE_VIRTUAL) != 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "eth_ring0") < 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "eth_ring1;key=val;k2=val2") < 0)
+		goto fail;
+	if (rte_eal_devargs_type_count(RTE_DEVTYPE_VIRTUAL) != 2)
+		goto fail;
+	free_devargs_list();
+
+	/* check virtual device with argument parsing */
+	if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL, "eth_ring1;k1=val;k2=val2") < 0)
+		goto fail;
+	devargs = TAILQ_FIRST(&devargs_list);
+	if (strncmp(devargs->virtual.drv_name, "eth_ring1",
+			sizeof(devargs->virtual.drv_name) != 0))
+		goto fail;
+	if (strncmp(devargs->args, "k1=val;k2=val2", sizeof(devargs->args) != 0))
+		goto fail;
+	free_devargs_list();
+
+	/* check PCI device with empty argument parsing */
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "04:00.1") < 0)
+		goto fail;
+	devargs = TAILQ_FIRST(&devargs_list);
+	if (devargs->pci.addr.domain != 0 ||
+		devargs->pci.addr.bus != 4 ||
+		devargs->pci.addr.devid != 0 ||
+		devargs->pci.addr.function != 1)
+		goto fail;
+	if (strncmp(devargs->args, "", sizeof(devargs->args) != 0))
+		goto fail;
+	free_devargs_list();
+
+	/* test error case: bad PCI address */
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "08:1") == 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "00.1") == 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "foo") == 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, ";") == 0)
+		goto fail;
+	if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI, "000f:0:0") == 0)
+		goto fail;
+
+	devargs_list = save_devargs_list;
+	return 0;
+
+ fail:
+	free_devargs_list();
+	devargs_list = save_devargs_list;
+	return -1;
+}
diff --git a/lib/librte_eal/common/Makefile b/lib/librte_eal/common/Makefile
index f7b581e..b9f3b88 100644
--- a/lib/librte_eal/common/Makefile
+++ b/lib/librte_eal/common/Makefile
@@ -38,7 +38,7 @@ 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_hexdump.h
+INC += rte_hexdump.h rte_devargs.h
 
 ifeq ($(CONFIG_RTE_INSECURE_FUNCTION_WARNING),y)
 INC += rte_warnings.h
diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
new file mode 100644
index 0000000..de4ac6c
--- /dev/null
+++ b/lib/librte_eal/common/eal_common_devargs.c
@@ -0,0 +1,153 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2014 6WIND S.A.
+ *   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 6WIND S.A 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.
+ */
+
+/* This file manages the list of devices and their arguments, as given
+ * by the user at startup */
+
+#include <string.h>
+
+#include <rte_log.h>
+#include <rte_pci.h>
+#include <rte_devargs.h>
+#include "eal_private.h"
+
+/** Global list of user devices */
+struct rte_devargs_list devargs_list =
+	TAILQ_HEAD_INITIALIZER(devargs_list);
+
+/* store a whitelist parameter for later parsing */
+int
+rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str)
+{
+	struct rte_devargs *devargs;
+	char buf[RTE_DEVARGS_LEN];
+	char *sep;
+	int ret;
+
+	ret = snprintf(buf, sizeof(buf), "%s", devargs_str);
+	if (ret < 0 || ret >= (int)sizeof(buf)) {
+		RTE_LOG(ERR, EAL, "user device args too large: <%s>\n",
+			devargs_str);
+		return -1;
+	}
+
+	/* use malloc instead of rte_malloc as it's called early at init */
+	devargs = malloc(sizeof(*devargs));
+	if (devargs == NULL) {
+		RTE_LOG(ERR, EAL, "cannot allocate devargs\n");
+		return -1;
+	}
+	memset(devargs, 0, sizeof(*devargs));
+	devargs->type = devtype;
+
+	/* set the first ';' to '\0' to split name and arguments */
+	sep = strchr(buf, ';');
+	if (sep != NULL) {
+		sep[0] = '\0';
+		snprintf(devargs->args, sizeof(devargs->args), "%s", sep + 1);
+	}
+
+	switch (devargs->type) {
+		case RTE_DEVTYPE_WHITELISTED_PCI:
+		case RTE_DEVTYPE_BLACKLISTED_PCI:
+			/* try to parse pci identifier */
+			if (eal_parse_pci_BDF(buf, &devargs->pci.addr) != 0 &&
+				eal_parse_pci_DomBDF(buf, &devargs->pci.addr) != 0) {
+				RTE_LOG(ERR, EAL,
+					"invalid PCI identifier <%s>\n", buf);
+				free(devargs);
+				return -1;
+			}
+			break;
+		case RTE_DEVTYPE_VIRTUAL:
+			/* save driver name */
+			ret = snprintf(devargs->virtual.drv_name,
+				sizeof(devargs->virtual.drv_name), "%s", buf);
+			if (ret < 0 || ret >= (int)sizeof(devargs->virtual.drv_name)) {
+				RTE_LOG(ERR, EAL,
+					"driver name too large: <%s>\n", buf);
+				free(devargs);
+				return -1;
+			}
+			break;
+	}
+
+	TAILQ_INSERT_TAIL(&devargs_list, devargs, next);
+	return 0;
+}
+
+/* count the number of devices of a specified type */
+unsigned int
+rte_eal_devargs_type_count(enum rte_devtype devtype)
+{
+	struct rte_devargs *devargs;
+	unsigned int count = 0;
+
+	TAILQ_FOREACH(devargs, &devargs_list, next) {
+		if (devargs->type != devtype)
+			continue;
+		count++;
+	}
+	return count;
+}
+
+/* dump the user devices on the console */
+void
+rte_eal_devargs_dump(void)
+{
+	struct rte_devargs *devargs;
+
+	printf("User device white list:\n");
+	TAILQ_FOREACH(devargs, &devargs_list, next) {
+		if (devargs->type == RTE_DEVTYPE_WHITELISTED_PCI)
+			printf("  PCI whitelist " PCI_PRI_FMT " %s\n",
+			       devargs->pci.addr.domain,
+			       devargs->pci.addr.bus,
+			       devargs->pci.addr.devid,
+			       devargs->pci.addr.function,
+			       devargs->args);
+		else if (devargs->type == RTE_DEVTYPE_BLACKLISTED_PCI)
+			printf("  PCI blacklist " PCI_PRI_FMT " %s\n",
+			       devargs->pci.addr.domain,
+			       devargs->pci.addr.bus,
+			       devargs->pci.addr.devid,
+			       devargs->pci.addr.function,
+			       devargs->args);
+		else if (devargs->type == RTE_DEVTYPE_VIRTUAL)
+			printf("  VIRTUAL %s %s\n",
+			       devargs->virtual.drv_name,
+			       devargs->args);
+		else
+			printf("  UNKNOWN %s\n", devargs->args);
+	}
+}
diff --git a/lib/librte_eal/common/include/rte_devargs.h b/lib/librte_eal/common/include/rte_devargs.h
new file mode 100644
index 0000000..fbfbe45
--- /dev/null
+++ b/lib/librte_eal/common/include/rte_devargs.h
@@ -0,0 +1,140 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2014 6WIND S.A.
+ *   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 6WIND S.A 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.
+ */
+
+#ifndef _RTE_DEVARGS_H_
+#define _RTE_DEVARGS_H_
+
+/**
+ * @file
+ *
+ * RTE devargs: list of devices and their user arguments
+ *
+ * This file stores a list of devices and their arguments given by
+ * the user when a DPDK application is started. These devices can be PCI
+ * devices or virtual devices. These devices are stored at startup in a
+ * list of rte_devargs structures.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/queue.h>
+#include <rte_pci.h>
+
+/**
+ * Type of generic device
+ */
+enum rte_devtype {
+	RTE_DEVTYPE_WHITELISTED_PCI,
+	RTE_DEVTYPE_BLACKLISTED_PCI,
+	RTE_DEVTYPE_VIRTUAL,
+};
+
+/**
+ * Structure that stores a device given by the user with its arguments
+ *
+ * A user device is a physical or a virtual device given by the user to
+ * the DPDK application at startup through command line arguments.
+ *
+ * The structure stores the configuration of the device, its PCI
+ * identifier if it's a PCI device or the driver name if it's a virtual
+ * device.
+ */
+struct rte_devargs {
+	TAILQ_ENTRY(rte_devargs) next;            /**< Next in list. */
+	enum rte_devtype type;                    /**< Type of device. */
+	union {
+		struct {
+			struct rte_pci_addr addr; /**< PCI location. */
+		} pci;              /**< Used if type is RTE_DEVTYPE_*_PCI. */
+		struct {
+			char drv_name[32];        /**< Driver name. */
+		} virtual;          /**< Used if type is RTE_DEVTYPE_VIRTUAL. */
+	};
+#define RTE_DEVARGS_LEN 256
+	char args[RTE_DEVARGS_LEN]; /**< Arguments string as given by user. */
+};
+
+/** user device double-linked queue type definition */
+TAILQ_HEAD(rte_devargs_list, rte_devargs);
+
+/** Global list of user devices */
+extern struct rte_devargs_list devargs_list;
+
+/**
+ * Add a device to the user device list
+ *
+ * For PCI devices, the format of arguments string is "PCI_ADDR" or
+ * "PCI_ADDR;key=val;key2=val2;...". Examples: "08:00.1", "0000:5:00.0",
+ * "04:00.0;arg=val".
+ *
+ * For virtual devices, the format of arguments string is "DRIVER_NAME*"
+ * or "DRIVER_NAME*;key=val;key2=val2;...". Examples: "eth_ring",
+ * "eth_ring0", "eth_pmdAnything;arg=0:arg2=1". The validity of the
+ * driver name is not checked by this function, it is done when probing
+ * the drivers.
+ *
+ * @param devtype
+ *   The type of the device.
+ * @param devargs_list
+ *   The arguments as given by the user.
+ *
+ * @return
+ *   - 0 on success
+ *   - A negative value on error
+ */
+int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str);
+
+/**
+ * Count the number of user devices of a specified type
+ *
+ * @param devtype
+ *   The type of the devices to counted.
+ *
+ * @return
+ *   The number of devices.
+ */
+unsigned int
+rte_eal_devargs_type_count(enum rte_devtype devtype);
+
+/**
+ * This function dumps the list of user device and their arguments.
+ */
+void rte_eal_devargs_dump(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_DEVARGS_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index b525130..f57fda5 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -77,6 +77,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_errno.c
 SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_cpuflags.c
 SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_hexdump.c
 SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_whitelist.c
+SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_devargs.c
 SRCS-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP) += eal_common_nonpci_devs.c
 
 CFLAGS_eal.o := -D_GNU_SOURCE
-- 
1.8.5.3



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