diff options
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c index 747d50b841ba..4de50e4ba4df 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c @@ -705,6 +705,68 @@ static int hinic_l2nic_reset(struct hinic_hwdev *hwdev) return 0; } +int hinic_get_interrupt_cfg(struct hinic_hwdev *hwdev, + struct hinic_msix_config *interrupt_info) +{ + u16 out_size = sizeof(*interrupt_info); + struct hinic_pfhwdev *pfhwdev; + int err; + + if (!hwdev || !interrupt_info) + return -EINVAL; + + pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev); + + interrupt_info->func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif); + + err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM, + HINIC_COMM_CMD_MSI_CTRL_REG_RD_BY_UP, + interrupt_info, sizeof(*interrupt_info), + interrupt_info, &out_size, HINIC_MGMT_MSG_SYNC); + if (err || !out_size || interrupt_info->status) { + dev_err(&hwdev->hwif->pdev->dev, "Failed to get interrupt config, err: %d, status: 0x%x, out size: 0x%x\n", + err, interrupt_info->status, out_size); + return -EIO; + } + + return 0; +} + +int hinic_set_interrupt_cfg(struct hinic_hwdev *hwdev, + struct hinic_msix_config *interrupt_info) +{ + u16 out_size = sizeof(*interrupt_info); + struct hinic_msix_config temp_info; + struct hinic_pfhwdev *pfhwdev; + int err; + + if (!hwdev) + return -EINVAL; + + pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev); + + interrupt_info->func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif); + + err = hinic_get_interrupt_cfg(hwdev, &temp_info); + if (err) + return -EINVAL; + + interrupt_info->lli_credit_cnt = temp_info.lli_timer_cnt; + interrupt_info->lli_timer_cnt = temp_info.lli_timer_cnt; + + err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM, + HINIC_COMM_CMD_MSI_CTRL_REG_WR_BY_UP, + interrupt_info, sizeof(*interrupt_info), + interrupt_info, &out_size, HINIC_MGMT_MSG_SYNC); + if (err || !out_size || interrupt_info->status) { + dev_err(&hwdev->hwif->pdev->dev, "Failed to get interrupt config, err: %d, status: 0x%x, out size: 0x%x\n", + err, interrupt_info->status, out_size); + return -EIO; + } + + return 0; +} + /** * hinic_init_hwdev - Initialize the NIC HW * @pdev: the NIC pci device |