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 936A61C17D
for <dev@dpdk.org>; Fri, 13 Apr 2018 15:23:15 +0200 (CEST)
Received: by mail-wr0-f195.google.com with SMTP id s12so8268665wrc.8
for <dev@dpdk.org>; Fri, 13 Apr 2018 06:23:15 -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=4VSLZvntN76SlAdM4C1P7HMw2Cv0U8fSaHCnNpNFNcg=;
b=YX+f38kHzqT2KHXa5d1VAvDw+u23YgDRPl4vnVhaorOFfNJ5PVC07NiOTtFuVavHjx
tF9UDnpFKYjW7XwnWfYqpZGqt7jLPtX06oHESV++X1n29ECn8OrtQeaDr13+y6HOStuW
DlpDKXmr9qs4iwjzLGxKZk5sH/m/jQcAc5sor5Wzq/EHhR7YA2Yddv9JVBvqNyd2rxpW
eb5zbSZ1sY4iTns7CbnY1VQbHkfAqbh9VpQ6mTx6mey3IK5i5uBfIr2ZjeV6qlIlJM5V
/BEzCE5b5BhPlLgMWO1Gt9v2dYsvUYd62NkET5CjCCLCYgFD3V5lqczo8T2SaU7eKHt8
PfUw==
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=4VSLZvntN76SlAdM4C1P7HMw2Cv0U8fSaHCnNpNFNcg=;
b=brFx3ED9xlKrS3lCGqCAxjd7AFscxVUvpNiu/NZqMlo6Pv76QASO92oktWc1QNwBvO
3m/he3wzJrRVtdl8reEL1zaWAdlkCLR/zaibaun4MZbQ5KsU3+oCy9Z/bWKSR5ePOwkD
5fM2IJbS5rX5pE/i1ZMCsFHcoApXLAHh8vYbv+Oe9irH3CAXkl5TrNz4gXtmbCHeEFS1
amBgR6GK6fwSOf3gt7FFh7zTnth9LailQfQd86fMdrDbNSWIS9BDkEC1tu4iZiRKP9B0
GE/2L6DPy6St2ucYj8ldDTP5ahdu8ZTRur82cDcLRXSyEXOvuwVPvKDkz+V3zfg8HbZ/
GtyQ==
X-Gm-Message-State: ALQs6tB2xuJRcAuQlDqSUq+6Ifn0u4dg9msu6yJ8+i/OPPRbfZrBrpFX
OTYuT5EsCXC+Tt7AUN/MAvpDdvST
X-Google-Smtp-Source: AIpwx49ZYQYe+IqFcvlvr750Vu7USukc26/POzgYgAxdxnTQQvKw1NoxaWeo2h/WpimGD5Wuq5sSmw==
X-Received: by 10.223.144.195 with SMTP id i61mr4040521wri.227.1523625794966;
Fri, 13 Apr 2018 06:23:14 -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 r200sm2377244wmb.9.2018.04.13.06.23.13
(version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128);
Fri, 13 Apr 2018 06:23:14 -0700 (PDT)
From: Gaetan Rivet <gaetan.rivet@6wind.com>
To: dev@dpdk.org
Cc: Gaetan Rivet <gaetan.rivet@6wind.com>
Date: Fri, 13 Apr 2018 15:22:29 +0200
Message-Id: <1b5f5b9e63268e1e5114c7ce8aff1d6b1f557013.1523625525.git.gaetan.rivet@6wind.com>
X-Mailer: git-send-email 2.11.0
In-Reply-To: <cover.1523625523.git.gaetan.rivet@6wind.com>
References: <cover.1521124599.git.gaetan.rivet@6wind.com>
<cover.1523625523.git.gaetan.rivet@6wind.com>
In-Reply-To: <cover.1523625523.git.gaetan.rivet@6wind.com>
References: <cover.1523625523.git.gaetan.rivet@6wind.com>
Subject: [dpdk-dev] [PATCH v6 14/22] bus/pci: implement device iteration and
comparison
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: Fri, 13 Apr 2018 13:23:15 -0000
Signed-off-by: Gaetan Rivet <gaetan.rivet@6wind.com>
---
drivers/bus/pci/Makefile | 2 +-
drivers/bus/pci/pci_common.c | 42 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+), 1 deletion(-)
diff --git a/drivers/bus/pci/Makefile b/drivers/bus/pci/Makefile
index 804a198d1..bbda567c1 100644
--- a/drivers/bus/pci/Makefile
+++ b/drivers/bus/pci/Makefile
@@ -53,7 +53,7 @@ CFLAGS += -I$(RTE_SDK)/lib/librte_eal/$(SYSTEM)app/eal
CFLAGS += -DALLOW_EXPERIMENTAL_API
LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
-LDLIBS += -lrte_ethdev -lrte_pci
+LDLIBS += -lrte_ethdev -lrte_pci -lrte_kvargs
include $(RTE_SDK)/drivers/bus/pci/$(SYSTEM)/Makefile
SRCS-$(CONFIG_RTE_LIBRTE_PCI_BUS) := $(addprefix $(SYSTEM)/,$(SRCS))
diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 2c45f8151..bd9ecddc6 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -13,6 +13,7 @@
#include <rte_errno.h>
#include <rte_interrupts.h>
+#include <rte_kvargs.h>
#include <rte_log.h>
#include <rte_bus.h>
#include <rte_pci.h>
@@ -497,6 +498,46 @@ pci_unplug(struct rte_device *dev)
return ret;
}
+enum pci_params {
+ RTE_PCI_PARAMS_MAX,
+};
+
+static const char * const pci_params_keys[] = {
+ [RTE_PCI_PARAMS_MAX] = NULL,
+};
+
+static int
+pci_dev_match(const struct rte_device *dev,
+ const void *_kvlist)
+{
+ const struct rte_kvargs *kvlist = _kvlist;
+
+ (void) dev;
+ (void) kvlist;
+ return 0;
+}
+
+static void *
+pci_dev_iterate(const void *start,
+ const char *str,
+ const struct rte_dev_iterator *it __rte_unused)
+{
+ struct rte_device *dev;
+ struct rte_kvargs *kvargs = NULL;
+
+ if (str != NULL) {
+ kvargs = rte_kvargs_parse(str, pci_params_keys);
+ if (kvargs == NULL) {
+ RTE_LOG(ERR, EAL, "cannot parse argument list\n");
+ rte_errno = EINVAL;
+ return NULL;
+ }
+ }
+ dev = pci_find_device(start, pci_dev_match, kvargs);
+ rte_kvargs_free(kvargs);
+ return dev;
+}
+
struct rte_pci_bus rte_pci_bus = {
.bus = {
.scan = rte_pci_scan,
@@ -506,6 +547,7 @@ struct rte_pci_bus rte_pci_bus = {
.unplug = pci_unplug,
.parse = pci_parse,
.get_iommu_class = rte_pci_get_iommu_class,
+ .dev_iterate = pci_dev_iterate,
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_pci_bus.driver_list),
--
2.11.0