From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 353ABC342 for ; Tue, 2 Jun 2015 10:26:17 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 02 Jun 2015 01:26:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,538,1427785200"; d="scan'208";a="735471156" Received: from irsmsx151.ger.corp.intel.com ([163.33.192.59]) by fmsmga002.fm.intel.com with ESMTP; 02 Jun 2015 01:26:16 -0700 Received: from irsmsx108.ger.corp.intel.com ([169.254.11.59]) by IRSMSX151.ger.corp.intel.com ([169.254.4.102]) with mapi id 14.03.0224.002; Tue, 2 Jun 2015 09:26:15 +0100 From: "Iremonger, Bernard" To: "Qiu, Michael" , "dev@dpdk.org" Thread-Topic: [RFC PATCH] librte_pmd_fm10k: Add hotplug support for fm10k Thread-Index: AQHQm69Nd7knu+UFjEiopgN6tfC2152Y40sQ Date: Tue, 2 Jun 2015 08:26:14 +0000 Message-ID: <8CEF83825BEC744B83065625E567D7C204A2C707@IRSMSX108.ger.corp.intel.com> References: <1433083021-16701-1-git-send-email-michael.qiu@intel.com> In-Reply-To: <1433083021-16701-1-git-send-email-michael.qiu@intel.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [163.33.239.182] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Cc: "He, Shaopeng" Subject: Re: [dpdk-dev] [RFC PATCH] librte_pmd_fm10k: Add hotplug support for fm10k X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Jun 2015 08:26:18 -0000 -----Original Message----- From: Qiu, Michael=20 Sent: Sunday, May 31, 2015 3:37 PM To: dev@dpdk.org Cc: Chen, Jing D; Iremonger, Bernard; He, Shaopeng; Qiu, Michael Subject: [RFC PATCH] librte_pmd_fm10k: Add hotplug support for fm10k Add hotplug support for fm10k Signed-off-by: Michael Qiu --- lib/librte_pmd_fm10k/fm10k_ethdev.c | 134 ++++++++++++++++++++++++++++++++= ++-- 1 file changed, 129 insertions(+), 5 deletions(-) Hi Michael, The location of the fm10k pmd has changed to drivers/net/fm10k. lib/librte_pmd_fm10k no longer exists. You will need to rebase to use the new directory structure. Regards, Bernard. =20 diff --git a/lib/librte_pmd_fm10k/fm10k_ethdev.c b/lib/librte_pmd_fm10k/fm1= 0k_ethdev.c index 7f5f513..3d72607 100644 --- a/lib/librte_pmd_fm10k/fm10k_ethdev.c +++ b/lib/librte_pmd_fm10k/fm10k_ethdev.c @@ -55,6 +55,10 @@ =20 static void fm10k_close_mbx_service(struct fm10k_hw *hw); =20 +static void fm10k_tx_queue_release(void *queue); + +static void fm10k_rx_queue_release(void *queue); + static void fm10k_mbx_initlock(struct fm10k_hw *hw) { @@ -688,11 +692,35 @@ fm10k_dev= _stop(struct rte_eth_dev *dev) =20 PMD_INIT_FUNC_TRACE(); =20 - for (i =3D 0; i < dev->data->nb_tx_queues; i++) - fm10k_dev_tx_queue_stop(dev, i); + if (dev->data->tx_queues) + for (i =3D 0; i < dev->data->nb_tx_queues; i++) + fm10k_dev_tx_queue_stop(dev, i); =20 - for (i =3D 0; i < dev->data->nb_rx_queues; i++) - fm10k_dev_rx_queue_stop(dev, i); + if (dev->data->rx_queues) + for (i =3D 0; i < dev->data->nb_rx_queues; i++) + fm10k_dev_rx_queue_stop(dev, i); +} + +static void +fm10k_dev_queue_release(__rte_unused struct rte_eth_dev *dev) { + int i; + + PMD_INIT_FUNC_TRACE(); + + if (dev->data->tx_queues) { + for (i =3D 0; i < dev->data->nb_tx_queues; i++) + fm10k_tx_queue_release(dev->data->tx_queues[i]); + rte_free(dev->data->tx_queues); + dev->data->tx_queues =3D NULL; + } + + if (dev->data->rx_queues) { + for (i =3D 0; i < dev->data->nb_rx_queues; i++) + fm10k_rx_queue_release(dev->data->rx_queues[i]); + rte_free(dev->data->rx_queues); + dev->data->rx_queues =3D NULL; + } } =20 static void @@ -705,6 +733,7 @@ fm10k_dev_close(struct rte_eth_dev *dev) /* Stop mailbox service first */ fm10k_close_mbx_service(hw); fm10k_dev_stop(dev); + fm10k_dev_queue_release(dev); fm10k_stop_hw(hw); } =20 @@ -1406,6 +1435,36 @@ fm10k_dev_enable_intr_pf(struct rte_eth_dev *dev) } =20 static void +fm10k_dev_disable_intr_pf(struct rte_eth_dev *dev) { + struct fm10k_hw *hw =3D FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map =3D FM10K_INT_MAP_DISABLE; + + int_map |=3D 0; + + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_Mailbox), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_PCIeFault), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SwitchUpDown), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SwitchEvent), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_SRAM), int_map); + FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_VFLR), int_map); + + /* Disable misc causes */ + FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_DISABLE(PCA_FAULT) | + FM10K_EIMR_DISABLE(THI_FAULT) | + FM10K_EIMR_DISABLE(FUM_FAULT) | + FM10K_EIMR_DISABLE(MAILBOX) | + FM10K_EIMR_DISABLE(SWITCHREADY) | + FM10K_EIMR_DISABLE(SWITCHNOTREADY) | + FM10K_EIMR_DISABLE(SRAMERROR) | + FM10K_EIMR_DISABLE(VFLR)); + + /* Disable ITR 0 */ + FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_MASK_SET); + FM10K_WRITE_FLUSH(hw); +} + +static void fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev) { struct fm10k_hw *hw =3D FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); @@ -1423,6 +1482,22 @@ fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev) FM10K_WRITE_FLUSH(hw); } =20 +static void +fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev) { + struct fm10k_hw *hw =3D FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map =3D FM10K_INT_MAP_DISABLE; + + int_map |=3D 0; + + /* Only INT 0 available, other 15 are reserved. */ + FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map); + + /* Disable ITR 0 */ + FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_MASK_SET); + FM10K_WRITE_FLUSH(hw); +} + static int fm10k_dev_handle_fault(struct fm10k_hw *hw, uint32_t eicr) { @@ -1868,6 += 1943,54 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev) return 0; } =20 +static int +eth_fm10k_dev_uninit(struct rte_eth_dev *dev) { + struct fm10k_hw *hw =3D FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + PMD_INIT_FUNC_TRACE(); + + /* only uninitialize in the primary process */ + if (rte_eal_process_type() !=3D RTE_PROC_PRIMARY) + return 0; + + /* safe to close dev here */ + fm10k_dev_close(dev); + + dev->dev_ops =3D NULL; + dev->rx_pkt_burst =3D NULL; + dev->tx_pkt_burst =3D NULL; + + /* disable uio/vfio intr */ + rte_intr_disable(&(dev->pci_dev->intr_handle)); + + /*PF/VF has different interrupt handling mechanism */ + if (hw->mac.type =3D=3D fm10k_mac_pf) { + /* disable interrupt */ + fm10k_dev_disable_intr_pf(dev); + + /* unregister callback func to eal lib */ + rte_intr_callback_unregister(&(dev->pci_dev->intr_handle), + fm10k_dev_interrupt_handler_pf, (void *)dev); + } else { + /* disable interrupt */ + fm10k_dev_disable_intr_vf(dev); + + rte_intr_callback_unregister(&(dev->pci_dev->intr_handle), + fm10k_dev_interrupt_handler_vf, (void *)dev); + } + + /* free mac memory */ + if (dev->data->mac_addrs) { + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs =3D NULL; + } + + memset(hw, 0, sizeof(*hw)); + + return 0; +} + /* * The set of PCI devices this driver supports. This driver will enable bo= th PF * and SRIOV-VF devices. @@ -1883,9 +2006,10 @@ static struct eth_driver rte_pmd_fm10k =3D { { .name =3D "rte_pmd_fm10k", .id_table =3D pci_id_fm10k_map, - .drv_flags =3D RTE_PCI_DRV_NEED_MAPPING, + .drv_flags =3D RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE, }, .eth_dev_init =3D eth_fm10k_dev_init, + .eth_dev_uninit =3D eth_fm10k_dev_uninit, .dev_private_size =3D sizeof(struct fm10k_adapter), }; =20 -- 1.9.3