From: Michael Qiu Date: Tue, 14 Jul 2015 12:45:45 +0000 (+0800) Subject: fm10k: support port hotplug X-Git-Tag: spdx-start~8686 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=456d36e6b189089dc5d36e1cbcaffe5e12e2bc3d;p=dpdk.git fm10k: support port hotplug Add hotplug support for fm10k. Signed-off-by: Michael Qiu Acked-by: Jing Chen --- diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c index 2f9dc3e76d..2deec311df 100644 --- a/drivers/net/fm10k/fm10k_ethdev.c +++ b/drivers/net/fm10k/fm10k_ethdev.c @@ -1707,6 +1707,36 @@ fm10k_dev_enable_intr_pf(struct rte_eth_dev *dev) FM10K_WRITE_FLUSH(hw); } +static void +fm10k_dev_disable_intr_pf(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map = FM10K_INT_MAP_DISABLE; + + int_map |= 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) { @@ -1725,6 +1755,22 @@ fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev) FM10K_WRITE_FLUSH(hw); } +static void +fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + uint32_t int_map = FM10K_INT_MAP_DISABLE; + + int_map |= 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) { @@ -2177,6 +2223,54 @@ eth_fm10k_dev_init(struct rte_eth_dev *dev) return 0; } +static int +eth_fm10k_dev_uninit(struct rte_eth_dev *dev) +{ + struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private); + + PMD_INIT_FUNC_TRACE(); + + /* only uninitialize in the primary process */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + /* safe to close dev here */ + fm10k_dev_close(dev); + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + /* disable uio/vfio intr */ + rte_intr_disable(&(dev->pci_dev->intr_handle)); + + /*PF/VF has different interrupt handling mechanism */ + if (hw->mac.type == 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 = NULL; + } + + memset(hw, 0, sizeof(*hw)); + + return 0; +} + /* * The set of PCI devices this driver supports. This driver will enable both PF * and SRIOV-VF devices. @@ -2192,9 +2286,10 @@ static struct eth_driver rte_pmd_fm10k = { .pci_drv = { .name = "rte_pmd_fm10k", .id_table = pci_id_fm10k_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE, }, .eth_dev_init = eth_fm10k_dev_init, + .eth_dev_uninit = eth_fm10k_dev_uninit, .dev_private_size = sizeof(struct fm10k_adapter), };