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OpenCloudOS-Kernel
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net: add sriov debug info 

Upstream: no

Signed-off-by: Hongbo Li <herberthbli@tencent.com>
Signed-off-by: katrinzhou <katrinzhou@tencent.com>
Signed-off-by: Kairui Song <kasong@tencent.com>
This commit is contained in:
Hongbo Li 2022-04-21 17:18:57 +08:00 committed by Kairui Song
parent 18165d6697
commit 43eed9ba84
1 changed files with 7 additions and 0 deletions
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7
drivers/pci/iov.c
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@ -447,6 +447,8 @@ static ssize_t sriov_numvfs_store(struct device *dev,
if (num_vfs == 0) {
/* disable VFs */
dev_info(&pdev->dev, "disable vfs. old vfs %d, new vfs %d\n",
pdev->sriov->num_VFs, num_vfs);
ret = pdev->driver->sriov_configure(pdev, 0);
goto exit;
}
@ -459,6 +461,9 @@ static ssize_t sriov_numvfs_store(struct device *dev,
goto exit;
}
dev_info(&pdev->dev, "enable vfs. old vfs %d, new vfs %d\n",
pdev->sriov->num_VFs, num_vfs);
ret = pdev->driver->sriov_configure(pdev, num_vfs);
if (ret < 0)
goto exit;
@ -720,6 +725,8 @@ static void sriov_disable(struct pci_dev *dev)
if (!iov->num_VFs)
return;
pr_info("disable %d sriov vfs\n", iov->num_VFs);
sriov_del_vfs(dev);
iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE);
pci_cfg_access_lock(dev);