From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by dpdk.org (Postfix) with ESMTP id AD9E71B7AA for ; Thu, 10 May 2018 00:43:26 +0200 (CEST) Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 08FFE20932; Wed, 9 May 2018 18:43:26 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Wed, 09 May 2018 18:43:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h= cc:date:from:in-reply-to:message-id:references:subject:to :x-me-sender:x-me-sender:x-sasl-enc; s=mesmtp; bh=bBf1ulZ8w6Yo/U OrAWvOUeHjkCskk+dNdrgz07keDdo=; b=IRMMu7U1MFxcqyXdCQGmi1EgYTNVFo 18LDcFTxOPzCmd+2z0EUJoNxsHdL9XwbEKvA22UadG5CH8G5Lc6cwD9OQ84xVuWz 2wCr7oE961ZAZ2pqa6MPs3Z9cvBiczw5wFowN+zUaaX+eRwq4TLVesYNReiCiONd 1GprmVVRcb2M4= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=bBf1ulZ8w6Yo/UOrAWvOUeHjkCskk+dNdrgz07keDdo=; b=gyCRyFUt vknjum9cLJ0GuroZnM5SGXKGvfnfxKigFGzoXTfiIi68/S0yHIpccsnHxIjZDi+8 Amfmc0B9CGgYD3k57JLtn2/Wc3rMZIhYUkHcIod4EuCkPPlRa6ZwSBUHtJdYIb9T MPFBEEeYqDnPDYA7IgtEa4G7WXdJ9LitDUQbOElLdnSKrvPGPkCqJedITdqZv3b2 Vs4zaF6ZSV7re9z/fcQj2Qa968P9o+YY6mQOCErWCxLgm7qWxtju77A7IjwIwqrs nXgZygZYHvWnxBoxHILWBkwXk1ANuLfwdbSNkMOtNjAWKPDDEk5jP8IDLSn0h+8H WADey0b3dLqjOA== X-ME-Sender: Received: from xps.monjalon.net (184.203.134.77.rev.sfr.net [77.134.203.184]) by mail.messagingengine.com (Postfix) with ESMTPA id 62B4FE5082; Wed, 9 May 2018 18:43:25 -0400 (EDT) From: Thomas Monjalon To: dev@dpdk.org Cc: Matan Azrad Date: Thu, 10 May 2018 00:43:08 +0200 Message-Id: <20180509224313.27289-7-thomas@monjalon.net> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180509224313.27289-1-thomas@monjalon.net> References: <20180509094337.26112-1-thomas@monjalon.net> <20180509224313.27289-1-thomas@monjalon.net> Subject: [dpdk-dev] [PATCH v2 06/11] ethdev: allow ownership operations on unused port X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 May 2018 22:43:27 -0000 From: Matan Azrad When the state will be updated later than in allocation, we may need to update the ownership of a port which is still in state unused. It will be used to take ownership of a port before it is declared as available for other entities. Cc: stable@dpdk.org Signed-off-by: Matan Azrad Acked-by: Thomas Monjalon --- lib/librte_ethdev/rte_ethdev.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index 6071e3a9b..6ddae9960 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -414,10 +414,14 @@ static int _rte_eth_dev_owner_set(const uint16_t port_id, const uint64_t old_owner_id, const struct rte_eth_dev_owner *new_owner) { + struct rte_eth_dev *ethdev = &rte_eth_devices[port_id]; struct rte_eth_dev_owner *port_owner; int sret; - RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV); + if (port_id >= RTE_MAX_ETHPORTS || ethdev->data->name[0] == '\0') { + RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id); + return -ENODEV; + } if (!rte_eth_is_valid_owner_id(new_owner->id) && !rte_eth_is_valid_owner_id(old_owner_id)) @@ -488,9 +492,10 @@ rte_eth_dev_owner_delete(const uint64_t owner_id) rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock); if (rte_eth_is_valid_owner_id(owner_id)) { - RTE_ETH_FOREACH_DEV_OWNED_BY(port_id, owner_id) - memset(&rte_eth_devices[port_id].data->owner, 0, - sizeof(struct rte_eth_dev_owner)); + for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++) + if (rte_eth_devices[port_id].data->owner.id == owner_id) + memset(&rte_eth_devices[port_id].data->owner, 0, + sizeof(struct rte_eth_dev_owner)); RTE_PMD_DEBUG_TRACE("All port owners owned by %016"PRIX64 " identifier have removed.\n", owner_id); } @@ -502,17 +507,17 @@ int __rte_experimental rte_eth_dev_owner_get(const uint16_t port_id, struct rte_eth_dev_owner *owner) { int ret = 0; + struct rte_eth_dev *ethdev = &rte_eth_devices[port_id]; rte_eth_dev_shared_data_prepare(); rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock); - if (!rte_eth_dev_is_valid_port(port_id)) { - RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id); + if (port_id >= RTE_MAX_ETHPORTS || ethdev->data->name[0] == '\0') { + RTE_PMD_DEBUG_TRACE("Port id %"PRIu16" is not allocated.\n", port_id); ret = -ENODEV; } else { - rte_memcpy(owner, &rte_eth_devices[port_id].data->owner, - sizeof(*owner)); + rte_memcpy(owner, ðdev->data->owner, sizeof(*owner)); } rte_spinlock_unlock(&rte_eth_dev_shared_data->ownership_lock); -- 2.16.2