From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gaetan Rivet Subject: [PATCH v6 17/22] bus/vdev: implement device iteration Date: Fri, 13 Apr 2018 15:22:32 +0200 Message-ID: <763b29861b722528e1a86a7c402009c3293b6a95.1523625525.git.gaetan.rivet@6wind.com> References: Cc: Gaetan Rivet To: dev@dpdk.org Return-path: Received: from mail-wm0-f67.google.com (mail-wm0-f67.google.com [74.125.82.67]) by dpdk.org (Postfix) with ESMTP id 63AB21BB81 for ; Fri, 13 Apr 2018 15:23:19 +0200 (CEST) Received: by mail-wm0-f67.google.com with SMTP id b127so5196726wmf.5 for ; Fri, 13 Apr 2018 06:23:19 -0700 (PDT) In-Reply-To: In-Reply-To: References: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Signed-off-by: Gaetan Rivet --- 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 #include #include +#include #include #include #include @@ -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