From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <gaetan.rivet@6wind.com>
Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46])
by dpdk.org (Postfix) with ESMTP id DF7CC37B2
for <dev@dpdk.org>; Wed, 31 May 2017 15:18:12 +0200 (CEST)
Received: by mail-wm0-f46.google.com with SMTP id 7so118494879wmo.1
for <dev@dpdk.org>; Wed, 31 May 2017 06:18:12 -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=nWA762cI+CRNEddQdDUvwh1MYHMyTpS39KHRJGc+Slw=;
b=ZmUqFPZ1vCqLSugHUMg/UEtCmhDF+d3EiSrCTcez7unefsPAQn7hMQVE28/q8CAlm2
SbjQ+PtvFuowuVkJOewb7USRXNNW2euHLNcwbl+Hm2Uka2Mom/CaWTPeko+AGhE9+YsT
HB4okezWpVbMhJKZSmcpC6YDrCBZtIDPeBqFwE4cANiGe28DGgjfYB2rSQVYOB5VQHwV
KOeoDm2yWDWEF9u4EpPRDV7USvHq1vayf0TNxnW60MeC/UjkgEmMFP75vn122xQNSoKK
e5DzWuUFo/DcGyKlszDLOeW9Cb8dDsruIQIWiKYDkQsXzNhmN33PkXZ5J39e4T/IkORS
egaw==
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=nWA762cI+CRNEddQdDUvwh1MYHMyTpS39KHRJGc+Slw=;
b=ukGFvilJml8FW1vjHeoy9CjRwYH0UwavPVtGPdRPcXn4ihWF03lgVSdtbNZhJPaDRn
RLe11AsZUbKaRlH0WQnIN2TE7NF0IralWxP5eOjhG/wn0IRbvRf8jtKs6tcYXEQQmgXi
/ua1uinqDMSb8qkV1KKrmrCxWmAs0PlCGMM2SnL+qBTiONoyM06VQD48NVnymQpCg9+h
5d0ajnWdBMNqWOdoR34WZM5QQkCvtaOwARUCaklv0e7Tq7ccoVPt5JxUkfr3XdAN1g5k
0KP1m8e0XMMBV1y3MdoqgnN7QRiYNdfBJb1rkztToIMg7dc5zSTBRiViQUMxYw/U1Veh
Mo4g==
X-Gm-Message-State: AODbwcDw8ypSz36ImGoYZruqrQ/CopDmg20GI0oULjIP1EkzuzzMUmKM
6Y/zQgwOpxyXK0hlzB4=
X-Received: by 10.28.21.13 with SMTP id 13mr5692476wmv.13.1496236692172;
Wed, 31 May 2017 06:18:12 -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 g77sm10045744wmd.19.2017.05.31.06.18.11
(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);
Wed, 31 May 2017 06:18:11 -0700 (PDT)
From: Gaetan Rivet <gaetan.rivet@6wind.com>
To: dev@dpdk.org
Cc: Jan Blunck <jblunck@infradead.org>
Date: Wed, 31 May 2017 15:17:48 +0200
Message-Id: <bb587a6b9424e1a622cc04b968028e71d7000c40.1496235017.git.gaetan.rivet@6wind.com>
X-Mailer: git-send-email 2.1.4
In-Reply-To: <cover.1496235017.git.gaetan.rivet@6wind.com>
References: <cover.1495637723.git.gaetan.rivet@6wind.com>
<cover.1496235017.git.gaetan.rivet@6wind.com>
In-Reply-To: <cover.1496235017.git.gaetan.rivet@6wind.com>
References: <cover.1496235017.git.gaetan.rivet@6wind.com>
Subject: [dpdk-dev] [PATCH v2 03/11] bus: add helper to find bus for a
particular device
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <http://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: <http://dpdk.org/ml/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Wed, 31 May 2017 13:18:13 -0000
From: Jan Blunck <jblunck@infradead.org>
Signed-off-by: Jan Blunck <jblunck@infradead.org>
---
lib/librte_eal/bsdapp/eal/rte_eal_version.map | 1 +
lib/librte_eal/common/eal_common_bus.c | 24 ++++++++++++++++++++++++
lib/librte_eal/common/include/rte_bus.h | 5 +++++
lib/librte_eal/linuxapp/eal/rte_eal_version.map | 1 +
4 files changed, 31 insertions(+)
diff --git a/lib/librte_eal/bsdapp/eal/rte_eal_version.map b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
index ed09ab2..f1a0765 100644
--- a/lib/librte_eal/bsdapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/bsdapp/eal/rte_eal_version.map
@@ -163,6 +163,7 @@ DPDK_17.05 {
global:
rte_bus_find;
+ rte_bus_find_by_device;
rte_cpu_is_supported;
rte_log_dump;
rte_log_register;
diff --git a/lib/librte_eal/common/eal_common_bus.c b/lib/librte_eal/common/eal_common_bus.c
index 68f70d0..811aff3 100644
--- a/lib/librte_eal/common/eal_common_bus.c
+++ b/lib/librte_eal/common/eal_common_bus.c
@@ -158,3 +158,27 @@ rte_bus_find(rte_bus_match_t match, const void *data)
return bus;
}
+
+static int
+cmp_rte_device(const struct rte_device *dev, const void *_dev2)
+{
+ const struct rte_device *dev2 = _dev2;
+
+ return dev == dev2;
+}
+
+static int
+bus_find_device(const struct rte_bus *bus, const void *_dev)
+{
+ struct rte_device *dev;
+
+ if (!bus->find_device)
+ return 0;
+ dev = bus->find_device(cmp_rte_device, _dev);
+ return !!dev;
+}
+
+struct rte_bus *rte_bus_find_by_device(const struct rte_device *dev)
+{
+ return rte_bus_find(bus_find_device, (const void *)dev);
+}
diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h
index 4545b03..0664662 100644
--- a/lib/librte_eal/common/include/rte_bus.h
+++ b/lib/librte_eal/common/include/rte_bus.h
@@ -180,6 +180,11 @@ typedef int (*rte_bus_match_t)(const struct rte_bus *bus, const void *data);
struct rte_bus *rte_bus_find(rte_bus_match_t match, const void *data);
/**
+ * Find the registered bus for a particular device.
+ */
+struct rte_bus *rte_bus_find_by_device(const struct rte_device *dev);
+
+/**
* Helper for Bus registration.
* The constructor has higher priority than PMD constructors.
*/
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
index 6efa517..6f77222 100644
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
@@ -167,6 +167,7 @@ DPDK_17.05 {
global:
rte_bus_find;
+ rte_bus_find_by_device;
rte_cpu_is_supported;
rte_intr_free_epoll_fd;
rte_log_dump;
--
2.1.4