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fm10k: support port hotplug

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Add hotplug support for fm10k.

Signed-off-by: Michael Qiu <michael.qiu@intel.com>
Acked-by: Jing Chen <jing.d.chen@intel.com>
This commit is contained in:
Michael Qiu 2015-07-14 20:45:45 +08:00 committed by Thomas Monjalon
parent 2cb9c53449
commit 456d36e6b1
1 changed files with 96 additions and 1 deletions
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97
drivers/net/fm10k/fm10k_ethdev.c
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@ -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),
};