{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf(buf, "%u\n", pci_sriov_get_totalvfs(pdev));
+ return sysfs_emit(buf, "%u\n", pci_sriov_get_totalvfs(pdev));
}
static ssize_t sriov_numvfs_show(struct device *dev,
num_vfs = pdev->sriov->num_VFs;
device_unlock(&pdev->dev);
- return sprintf(buf, "%u\n", num_vfs);
+ return sysfs_emit(buf, "%u\n", num_vfs);
}
/*
if (num_vfs == pdev->sriov->num_VFs)
goto exit;
+ /* is PF driver loaded */
+ if (!pdev->driver) {
+ pci_info(pdev, "no driver bound to device; cannot configure SR-IOV\n");
+ ret = -ENOENT;
+ goto exit;
+ }
+
/* is PF driver loaded w/callback */
- if (!pdev->driver || !pdev->driver->sriov_configure) {
- pci_info(pdev, "Driver does not support SRIOV configuration via sysfs\n");
+ if (!pdev->driver->sriov_configure) {
+ pci_info(pdev, "driver does not support SR-IOV configuration via sysfs\n");
ret = -ENOENT;
goto exit;
}
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf(buf, "%u\n", pdev->sriov->offset);
+ return sysfs_emit(buf, "%u\n", pdev->sriov->offset);
}
static ssize_t sriov_stride_show(struct device *dev,
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf(buf, "%u\n", pdev->sriov->stride);
+ return sysfs_emit(buf, "%u\n", pdev->sriov->stride);
}
static ssize_t sriov_vf_device_show(struct device *dev,
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf(buf, "%x\n", pdev->sriov->vf_device);
+ return sysfs_emit(buf, "%x\n", pdev->sriov->vf_device);
}
static ssize_t sriov_drivers_autoprobe_show(struct device *dev,
{
struct pci_dev *pdev = to_pci_dev(dev);
- return sprintf(buf, "%u\n", pdev->sriov->drivers_autoprobe);
+ return sysfs_emit(buf, "%u\n", pdev->sriov->drivers_autoprobe);
}
static ssize_t sriov_drivers_autoprobe_store(struct device *dev,