From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <gaetan.rivet@6wind.com>
Received: from mail-wr0-f195.google.com (mail-wr0-f195.google.com
[209.85.128.195]) by dpdk.org (Postfix) with ESMTP id 80F771B64C
for <dev@dpdk.org>; Sun, 15 Apr 2018 17:08:32 +0200 (CEST)
Received: by mail-wr0-f195.google.com with SMTP id l49so19296400wrl.4
for <dev@dpdk.org>; Sun, 15 Apr 2018 08:08:32 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=6wind-com.20150623.gappssmtp.com; s=20150623;
h=from:to:cc:subject:date:message-id:in-reply-to:references
:in-reply-to:references;
bh=Q19d/NN59dgWucw1vHRHUpwrUsoBhii9sTq9UKiyyjc=;
b=XJjFGS4FgpYcVZhseVk3P7fvCwk2cvC3dZVYLinVsPAI5I+ED0y8/Yk2rY/kI153Hw
7ypA26NjlXZu1ZtT+cUYZO34TGdusZcgouQXir0EfzDwX50ziYYLqVscU3MUo0YN0CsR
dH05ZyEtsJVy96w2YgyODJrjdi47xrNs95lFu/VG16vNzB2KPcX8zRL2wiEkSYpdGKHb
mVm3q5lHr1HwTPO75QpzWrHiBIkuo07p+0A2S2Fhdqz42CZtkVxEbtwi7/Ht6FhG/kIE
K72MQcOdprC9ZowkQ3TM4A7uI9/T692VSJtp15v5osxy2GgrNpfQ5k0hWhmzKSa3k9Vz
JroA==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to
:references:in-reply-to:references;
bh=Q19d/NN59dgWucw1vHRHUpwrUsoBhii9sTq9UKiyyjc=;
b=XRkEOWtfphLVrw0nQqv/3RFDaE2amIYa6gBOfW2C/3FL3jQEp3ND4pNZi1c5ORRwUm
tQPWkaIBRjceQdJnItD9/CEg8aMAMWCgk/aS7u3C6jdN2Wt6VD8ck72w0HOijkadv4Pc
YQ0GSGA8TZ9tfzDMkcDKZIBX77cIi8+UetuFr8C9NmQ4X6WY7+5mEcCsYJn8G6cNuUzc
oMkCq4zS1G5DqsbaPK99WcceCU+aU0gaFWqVtCYWN4RDV0cCjf9D0F+O+h6c5C8+3BSO
08eosDYXVhZjVkBzXG8HvoGnfau4aLVTFAhjYy8nu6Xw8EJYqgefj0bMTpiQsGfFnaVr
zJdA==
X-Gm-Message-State: ALQs6tDR5SnBGNGXro8noStjIBmjy5IBOY3e8+2aMRJR0geqOY0HxQgD
vV5IPpDUTFHq0E9WFA1gUeE5xlxJ
X-Google-Smtp-Source: AIpwx4/MmsB2li7oMbRLEDZ2yrhmpX2UB+gzu14iSc5+DQjLzLE6W4wrvP98ThtU/My0u2uS6PMuuQ==
X-Received: by 10.28.197.205 with SMTP id v196mr8647614wmf.39.1523804911869;
Sun, 15 Apr 2018 08:08:31 -0700 (PDT)
Received: from bidouze.dev.6wind.com. (host.78.145.23.62.rev.coltfrance.com.
[62.23.145.78])
by smtp.gmail.com with ESMTPSA id r200sm13673438wmb.39.2018.04.15.08.08.30
(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
Sun, 15 Apr 2018 08:08:30 -0700 (PDT)
From: Gaetan Rivet <gaetan.rivet@6wind.com>
To: dev@dpdk.org
Cc: Gaetan Rivet <gaetan.rivet@6wind.com>
Date: Sun, 15 Apr 2018 17:07:46 +0200
Message-Id: <ebfa08f0870dba0b982a3bf25355221cddb634a5.1523804657.git.gaetan.rivet@6wind.com>
X-Mailer: git-send-email 2.11.0
In-Reply-To: <cover.1523804657.git.gaetan.rivet@6wind.com>
References: <cover.1521124599.git.gaetan.rivet@6wind.com>
<cover.1523804657.git.gaetan.rivet@6wind.com>
In-Reply-To: <cover.1523804657.git.gaetan.rivet@6wind.com>
References: <cover.1523804657.git.gaetan.rivet@6wind.com>
Subject: [dpdk-dev] [PATCH v7 17/22] bus/vdev: implement device iteration
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Sun, 15 Apr 2018 15:08:32 -0000
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
drivers/bus/vdev/Makefile | 2 +-
drivers/bus/vdev/vdev.c | 42 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/vdev/Makefile b/drivers/bus/vdev/Makefile
index 24d424a38..52728833c 100644
--- a/drivers/bus/vdev/Makefile
+++ b/drivers/bus/vdev/Makefile
@@ -19,7 +19,7 @@ LIBABIVER := 1
SRCS-y += vdev.c
-LDLIBS += -lrte_eal
+LDLIBS += -lrte_eal -lrte_kvargs
#
# Export include files
diff --git a/drivers/bus/vdev/vdev.c b/drivers/bus/vdev/vdev.c
index c135554c0..5bb87af28 100644
--- a/drivers/bus/vdev/vdev.c
+++ b/drivers/bus/vdev/vdev.c
@@ -15,6 +15,7 @@
#include <rte_bus.h>
#include <rte_common.h>
#include <rte_devargs.h>
+#include <rte_kvargs.h>
#include <rte_memory.h>
#include <rte_tailq.h>
#include <rte_spinlock.h>
@@ -387,6 +388,46 @@ vdev_unplug(struct rte_device *dev)
return rte_vdev_uninit(dev->name);
}
+enum vdev_params {
+ RTE_VDEV_PARAMS_MAX,
+};
+
+static const char * const vdev_params_keys[] = {
+ [RTE_VDEV_PARAMS_MAX] = NULL,
+};
+
+static int
+vdev_dev_match(const struct rte_device *dev,
+ const void *_kvlist)
+{
+ const struct rte_kvargs *kvlist = _kvlist;
+
+ (void) kvlist;
+ (void) dev;
+ return 0;
+}
+
+static void *
+vdev_dev_iterate(const void *start,
+ const char *str,
+ const struct rte_dev_iterator *it __rte_unused)
+{
+ struct rte_kvargs *kvargs = NULL;
+ struct rte_device *dev;
+
+ if (str != NULL) {
+ kvargs = rte_kvargs_parse(str, vdev_params_keys);
+ if (kvargs == NULL) {
+ VDEV_LOG(ERR, "cannot parse argument list\n");
+ rte_errno = EINVAL;
+ return NULL;
+ }
+ }
+ dev = vdev_find_device(start, vdev_dev_match, kvargs);
+ rte_kvargs_free(kvargs);
+ return dev;
+}
+
static struct rte_bus rte_vdev_bus = {
.scan = vdev_scan,
.probe = vdev_probe,
@@ -394,6 +435,7 @@ static struct rte_bus rte_vdev_bus = {
.plug = vdev_plug,
.unplug = vdev_unplug,
.parse = vdev_parse,
+ .dev_iterate = vdev_dev_iterate,
};
RTE_REGISTER_BUS(vdev, rte_vdev_bus);
--
2.11.0