From: "Qiu, Michael" <michael.qiu@intel.com>
To: "Iremonger, Bernard" <bernard.iremonger@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [RFC PATCH V2 1/4] i40e: changes to support PCI Port Hotplug
Date: Wed, 24 Jun 2015 08:03:55 +0000 [thread overview]
Message-ID: <533710CFB86FA344BFBF2D6802E602860469FA22@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: <1433435087-9020-1-git-send-email-bernard.iremonger@intel.com>
On 6/5/2015 12:26 AM, Bernard Iremonger wrote:
> This patch depends on the Port Hotplug Framework.
> It implements the eth_dev_uninit functions for rte_i40e_pmd and
> rte_i40evf_pmd.
>
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> ---
Tested-by: Michael Qiu <michael.qiu@intel.com>
> drivers/net/i40e/i40e_ethdev.c | 79 ++++++++++++++++++++++++++++++++++++-
> drivers/net/i40e/i40e_ethdev_vf.c | 45 ++++++++++++++++++++-
> drivers/net/i40e/i40e_pf.c | 34 ++++++++++++++++
> drivers/net/i40e/i40e_pf.h | 1 +
> 4 files changed, 157 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
> index da6c0b5..7bf9532 100644
> --- a/drivers/net/i40e/i40e_ethdev.c
> +++ b/drivers/net/i40e/i40e_ethdev.c
> @@ -107,6 +107,7 @@
> (1UL << RTE_ETH_FLOW_L2_PAYLOAD))
>
> static int eth_i40e_dev_init(struct rte_eth_dev *eth_dev);
> +static int eth_i40e_dev_uninit(struct rte_eth_dev *eth_dev);
> static int i40e_dev_configure(struct rte_eth_dev *dev);
> static int i40e_dev_start(struct rte_eth_dev *dev);
> static void i40e_dev_stop(struct rte_eth_dev *dev);
> @@ -268,9 +269,11 @@ static struct eth_driver rte_i40e_pmd = {
> {
> .name = "rte_i40e_pmd",
> .id_table = pci_id_i40e_map,
> - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
> + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
> + RTE_PCI_DRV_DETACHABLE,
> },
> .eth_dev_init = eth_i40e_dev_init,
> + .eth_dev_uninit = eth_i40e_dev_uninit,
> .dev_private_size = sizeof(struct i40e_adapter),
> };
>
> @@ -405,6 +408,7 @@ eth_i40e_dev_init(struct rte_eth_dev *dev)
> hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
> hw->bus.device = pci_dev->addr.devid;
> hw->bus.func = pci_dev->addr.function;
> + hw->adapter_stopped = 0;
>
> /* Make sure all is clean before doing PF reset */
> i40e_clear_hw(hw);
> @@ -584,6 +588,76 @@ err_get_capabilities:
> }
>
> static int
> +eth_i40e_dev_uninit(struct rte_eth_dev *dev)
> +{
> + struct rte_pci_device *pci_dev;
> + struct i40e_hw *hw;
> + struct i40e_filter_control_settings settings;
> + int ret;
> + uint8_t aq_fail = 0;
> + unsigned i;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + if (rte_eal_process_type() != RTE_PROC_PRIMARY)
> + return 0;
> +
> + hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> + pci_dev = dev->pci_dev;
> +
> + if (hw->adapter_stopped == 0)
> + i40e_dev_close(dev);
> +
> + dev->dev_ops = NULL;
> + dev->rx_pkt_burst = NULL;
> + dev->tx_pkt_burst = NULL;
> +
> + /* Disable LLDP */
> + ret = i40e_aq_stop_lldp(hw, true, NULL);
> + if (ret != I40E_SUCCESS) /* Its failure can be ignored */
> + PMD_INIT_LOG(INFO, "Failed to stop lldp");
> +
> + /* Clear PXE mode */
> + i40e_clear_pxe_mode(hw);
> +
> + /* Unconfigure filter control */
> + memset(&settings, 0, sizeof(settings));
> + ret = i40e_set_filter_control(hw, &settings);
> + if (ret)
> + PMD_INIT_LOG(WARNING, "setup_pf_filter_control failed: %d",
> + ret);
> +
> + /* Disable flow control */
> + hw->fc.requested_mode = I40E_FC_NONE;
> + i40e_set_fc(hw, &aq_fail, TRUE);
> +
> + /* uninitialize pf host driver */
> + i40e_pf_host_uninit(dev);
> +
> + for (i = 0; i < dev->data->nb_rx_queues; i++) {
> + i40e_dev_rx_queue_release(dev->data->rx_queues[i]);
> + dev->data->rx_queues[i] = NULL;
> + }
> +
> + for (i = 0; i < dev->data->nb_tx_queues; i++) {
> + i40e_dev_tx_queue_release(dev->data->tx_queues[i]);
> + dev->data->tx_queues[i] = NULL;
> + }
> +
> + rte_free(dev->data->mac_addrs);
> + dev->data->mac_addrs = NULL;
> +
> + /* disable uio intr before callback unregister */
> + rte_intr_disable(&(pci_dev->intr_handle));
> +
> + /* register callback func to eal lib */
> + rte_intr_callback_unregister(&(pci_dev->intr_handle),
> + i40e_dev_interrupt_handler, (void *)dev);
> +
> + return 0;
> +}
> +
> +static int
> i40e_dev_configure(struct rte_eth_dev *dev)
> {
> struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> @@ -858,6 +932,8 @@ i40e_dev_start(struct rte_eth_dev *dev)
> struct i40e_vsi *main_vsi = pf->main_vsi;
> int ret, i;
>
> + hw->adapter_stopped = 0;
> +
> if ((dev->data->dev_conf.link_duplex != ETH_LINK_AUTONEG_DUPLEX) &&
> (dev->data->dev_conf.link_duplex != ETH_LINK_FULL_DUPLEX)) {
> PMD_INIT_LOG(ERR, "Invalid link_duplex (%hu) for port %hhu",
> @@ -965,6 +1041,7 @@ i40e_dev_close(struct rte_eth_dev *dev)
> PMD_INIT_FUNC_TRACE();
>
> i40e_dev_stop(dev);
> + hw->adapter_stopped = 1;
>
> /* Disable interrupt */
> i40e_pf_disable_irq0(hw);
> diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
> index 9f92a2f..843ab9b 100644
> --- a/drivers/net/i40e/i40e_ethdev_vf.c
> +++ b/drivers/net/i40e/i40e_ethdev_vf.c
> @@ -1146,6 +1146,22 @@ err:
> }
>
> static int
> +i40evf_uninit_vf(struct rte_eth_dev *dev)
> +{
> + struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
> + struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + if (hw->adapter_stopped == 0)
> + i40evf_dev_close(dev);
> + rte_free(vf->vf_res);
> + vf->vf_res = NULL;
> +
> + return 0;
> +}
> +
> +static int
> i40evf_dev_init(struct rte_eth_dev *eth_dev)
> {
> struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(\
> @@ -1175,6 +1191,7 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev)
> hw->bus.device = eth_dev->pci_dev->addr.devid;
> hw->bus.func = eth_dev->pci_dev->addr.function;
> hw->hw_addr = (void *)eth_dev->pci_dev->mem_resource[0].addr;
> + hw->adapter_stopped = 0;
>
> if(i40evf_init_vf(eth_dev) != 0) {
> PMD_INIT_LOG(ERR, "Init vf failed");
> @@ -1195,6 +1212,28 @@ i40evf_dev_init(struct rte_eth_dev *eth_dev)
> return 0;
> }
>
> +static int
> +i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
> +{
> + PMD_INIT_FUNC_TRACE();
> +
> + if (rte_eal_process_type() != RTE_PROC_PRIMARY)
> + return -EPERM;
> +
> + eth_dev->dev_ops = NULL;
> + eth_dev->rx_pkt_burst = NULL;
> + eth_dev->tx_pkt_burst = NULL;
> +
> + if (i40evf_uninit_vf(eth_dev) != 0) {
> + PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
> + return -1;
> + }
> +
> + rte_free(eth_dev->data->mac_addrs);
> + eth_dev->data->mac_addrs = NULL;
> +
> + return 0;
> +}
> /*
> * virtual function driver struct
> */
> @@ -1202,9 +1241,10 @@ static struct eth_driver rte_i40evf_pmd = {
> {
> .name = "rte_i40evf_pmd",
> .id_table = pci_id_i40evf_map,
> - .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
> + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
> },
> .eth_dev_init = i40evf_dev_init,
> + .eth_dev_uninit = i40evf_dev_uninit,
> .dev_private_size = sizeof(struct i40e_vf),
> };
>
> @@ -1473,6 +1513,8 @@ i40evf_dev_start(struct rte_eth_dev *dev)
>
> PMD_INIT_FUNC_TRACE();
>
> + hw->adapter_stopped = 0;
> +
> vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
> if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
> if (vf->max_pkt_len <= ETHER_MAX_LEN ||
> @@ -1680,6 +1722,7 @@ i40evf_dev_close(struct rte_eth_dev *dev)
> struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
>
> i40evf_dev_stop(dev);
> + hw->adapter_stopped = 1;
> i40evf_reset_vf(hw);
> i40e_shutdown_adminq(hw);
> }
> diff --git a/drivers/net/i40e/i40e_pf.c b/drivers/net/i40e/i40e_pf.c
> index b89a1e2..95c960c 100644
> --- a/drivers/net/i40e/i40e_pf.c
> +++ b/drivers/net/i40e/i40e_pf.c
> @@ -1061,3 +1061,37 @@ fail:
>
> return ret;
> }
> +
> +int
> +i40e_pf_host_uninit(struct rte_eth_dev *dev)
> +{
> + struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
> + struct i40e_hw *hw = I40E_PF_TO_HW(pf);
> + uint32_t val;
> +
> + PMD_INIT_FUNC_TRACE();
> +
> + /**
> + * return if SRIOV not enabled, VF number not configured or
> + * no queue assigned.
> + */
> + if ((!hw->func_caps.sr_iov_1_1) ||
> + (pf->vf_num == 0) ||
> + (pf->vf_nb_qps == 0))
> + return I40E_SUCCESS;
> +
> + /* free memory to store VF structure */
> + rte_free(pf->vfs);
> + pf->vfs = NULL;
> +
> + /* Disable irq0 for VFR event */
> + i40e_pf_disable_irq0(hw);
> +
> + /* Disable VF link status interrupt */
> + val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
> + val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
> + I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
> + I40E_WRITE_FLUSH(hw);
> +
> + return I40E_SUCCESS;
> +}
> diff --git a/drivers/net/i40e/i40e_pf.h b/drivers/net/i40e/i40e_pf.h
> index e08ba49..9c01829 100644
> --- a/drivers/net/i40e/i40e_pf.h
> +++ b/drivers/net/i40e/i40e_pf.h
> @@ -123,5 +123,6 @@ void i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
> __rte_unused uint32_t retval,
> uint8_t *msg, uint16_t msglen);
> int i40e_pf_host_init(struct rte_eth_dev *dev);
> +int i40e_pf_host_uninit(struct rte_eth_dev *dev);
>
> #endif /* _I40E_PF_H_ */
next prev parent reply other threads:[~2015-06-24 8:07 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <RFC PATCH>
2015-04-08 10:02 ` [dpdk-dev] [RFC PATCH] librte_pmd_ixgbe: " Bernard Iremonger
2015-04-22 3:14 ` Qiu, Michael
2015-04-08 14:11 ` [dpdk-dev] [RFC PATCH] librte_pmd_e1000: igb and em1000 PCI Port Hotplug changes Bernard Iremonger
2015-04-30 13:16 ` [dpdk-dev] [RFC PATCH 1/1] librte_pmd_ring: changes to support PCI Port Hotplug Bernard Iremonger
2015-04-30 15:40 ` [dpdk-dev] [RFC PATCH 1/4] librte_pmd_i40e: " Bernard Iremonger
2015-04-30 15:41 ` [dpdk-dev] [RFC PATCH 2/4] librte_pmd_i40e: release vmdq vsi's in dev_close Bernard Iremonger
2015-04-30 15:42 ` [dpdk-dev] [RFC PATCH 3/4] librte_pmd_i40e: increase ASQ_DELAY_MS to 100 in i40evf_wait_cmd_done() Bernard Iremonger
2015-04-30 15:42 ` [dpdk-dev] [RFC PATCH 4/4] librte_pmd_i40e: call _clear_cmd() when error occurs Bernard Iremonger
2015-05-01 14:36 ` [dpdk-dev] [RFC PATCH] librte_pmd_bond: add support for PCI Port Hotplug Bernard Iremonger
2015-05-01 15:17 ` Neil Horman
2015-05-01 15:28 ` [dpdk-dev] [RFC PATCH] librte_pmd_virtio: " Bernard Iremonger
2015-05-05 14:36 ` [dpdk-dev] [RFC PATCH V2] librte_pmd_ring: changes to support " Bernard Iremonger
2015-05-06 16:15 ` Bruce Richardson
2015-05-06 10:22 ` [dpdk-dev] [RFC PATCH V2] librte_pmd_ixgbe: " Bernard Iremonger
2015-05-06 11:20 ` [dpdk-dev] [RFC PATCH V2] librte_pmd_e1000: igb and em1000 PCI Port Hotplug changes Bernard Iremonger
2015-05-27 16:00 ` [dpdk-dev] [RFC PATCH V2 1/2] drivers/net/virtio: add support for PCI Port Hotplug Bernard Iremonger
2015-05-27 16:00 ` [dpdk-dev] [RFC PATCH V2 2/2] drivers/net/virtio: check vq parameter Bernard Iremonger
2015-06-16 1:08 ` Ouyang, Changchun
2015-05-28 12:28 ` [dpdk-dev] [RFC PATCH V2] drivers/net/bonding: add support for PCI Port Hotplug Bernard Iremonger
2015-05-29 13:46 ` [dpdk-dev] [RFC PATCH V3] drivers/net/ring: changes to support " Bernard Iremonger
2015-06-03 15:21 ` Bruce Richardson
2015-06-02 10:18 ` [dpdk-dev] [RFC PATCH V3] ixgbe: " Bernard Iremonger
2015-06-03 14:03 ` [dpdk-dev] [RFC PATCH V3] e1000: igb and em1000 PCI Port Hotplug changes Bernard Iremonger
2015-06-04 16:24 ` [dpdk-dev] [RFC PATCH V2 1/4] i40e: changes to support PCI Port Hotplug Bernard Iremonger
2015-06-24 8:03 ` Qiu, Michael [this message]
2015-06-04 16:25 ` [dpdk-dev] [RFC PATCH V2 2/4] i40e: release vmdq vsi's in dev_close Bernard Iremonger
2015-06-04 16:25 ` [dpdk-dev] [RFC PATCH V2 3/4] i40e: increase ASQ_DELAY_MS to 100 in i40evf_wait_cmd_done() Bernard Iremonger
2015-06-04 16:26 ` [dpdk-dev] [RFC PATCH V2 4/4] i40e: call _clear_cmd() when error occurs Bernard Iremonger
2015-06-08 15:47 ` [dpdk-dev] [RFC PATCH V4] ixgbe: changes to support PCI Port Hotplug Bernard Iremonger
2015-06-15 22:31 ` Ananyev, Konstantin
2015-06-17 6:11 ` Zhang, Helin
2015-06-24 7:45 ` Qiu, Michael
2015-06-24 7:46 ` Qiu, Michael
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 0/5] PCI Port Hotplug changes Bernard Iremonger
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 1/5] i40e: changes to support PCI Port Hotplug Bernard Iremonger
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 2/5] i40e: release vmdq vsi's in dev_close Bernard Iremonger
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 3/5] i40e: increase ASQ_DELAY_MS to 100 in i40evf_wait_cmd_done() Bernard Iremonger
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 4/5] i40e: call _clear_cmd() when error occurs Bernard Iremonger
2015-06-10 8:27 ` [dpdk-dev] [RFC PATCH V3 5/5] i40e: clear queues in i40evf_dev_stop Bernard Iremonger
2015-06-10 12:09 ` [dpdk-dev] [RFC PATCH V4] e1000: igb and em1000 PCI Port Hotplug changes Bernard Iremonger
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 0/6] remove pci driver from vdevs Bernard Iremonger
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 1/6] librte_ether: add fields from rte_pci_driver to rte_eth_dev and rte_eth_dev_data Bernard Iremonger
2015-08-31 14:07 ` Thomas Monjalon
2015-09-01 11:38 ` Iremonger, Bernard
2015-09-01 12:03 ` Bruce Richardson
2015-09-01 12:37 ` Ananyev, Konstantin
2015-09-01 12:43 ` Richardson, Bruce
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 2/6] librte_ether: handle RTE_ETH_DEV_INTR_LSC for vdevs Bernard Iremonger
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 3/6] null: remove pci device driver Bernard Iremonger
2015-08-31 14:11 ` Thomas Monjalon
2015-08-31 16:05 ` Iremonger, Bernard
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 4/6] ring: " Bernard Iremonger
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 5/6] bonding: " Bernard Iremonger
2015-08-27 17:48 ` Stephen Hemminger
2015-08-28 8:32 ` Iremonger, Bernard
2015-08-28 15:57 ` Stephen Hemminger
2015-08-27 15:40 ` [dpdk-dev] [RFC PATCH 6/6] pcap: " Bernard Iremonger
2015-08-27 17:43 ` [dpdk-dev] [RFC PATCH 0/6] remove pci driver from vdevs John W. Linville
2015-08-28 8:15 ` Iremonger, Bernard
2015-08-28 10:32 ` Neil Horman
2015-08-28 19:48 ` Wiles, Keith
2015-08-31 11:21 ` Iremonger, Bernard
2015-08-31 12:41 ` Neil Horman
2015-08-28 17:51 ` John W. Linville
2015-08-31 10:23 ` Iremonger, Bernard
2015-08-31 12:59 ` Neil Horman
2015-08-31 14:22 ` Thomas Monjalon
2015-09-01 13:38 ` Iremonger, Bernard
2015-09-01 19:18 ` Neil Horman
2015-09-03 14:02 ` Iremonger, Bernard
2015-09-07 9:22 ` Zende, Amruta S
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 00/18] refactor eal driver registration code Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 01/18] librte_eal: remove type field from rte_driver structure Bernard Iremonger
2015-09-04 13:08 ` Thomas Monjalon
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 02/18] af_packet: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 03/18] bnx2x: remove type field and initialise name field in " Bernard Iremonger
2015-09-04 11:26 ` Harish Patil
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 04/18] bonding: remove type field from " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 05/18] cxgbe: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 06/18] e1000: remove type field and initialise name field in rte_driver structures Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 07/18] enic: remove type field and initialise name field in rte_driver structure Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 08/18] fm10k: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 09/18] i40e: remove type field and initialise name field in rte_driver structures Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 10/18] ixgbe: remove type field and initialise name field in rte_driver structure Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 11/18] mlx4: remove type field from " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 12/18] mpipe: remove type field and update name in " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 13/18] null: remove type field from " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 14/18] pcap: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 15/18] ring: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 16/18] virtio_ethdev: remove type field and initialise name field in " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 17/18] vmxnet3: " Bernard Iremonger
2015-09-04 11:01 ` [dpdk-dev] [RFC PATCH 18/18] xenvirt: remove type field from " Bernard Iremonger
2015-09-04 11:18 ` [dpdk-dev] [RFC PATCH 00/18] refactor eal driver registration code Bruce Richardson
2015-09-04 12:46 ` Iremonger, Bernard
2015-09-04 12:53 ` Bruce Richardson
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