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SubjectRe: [PATCH v2] pci: Expose offset, stride, and VF device ID via sysfs
On Mon, Oct 09, 2017 at 01:09:11AM +0200, Filippo Sironi wrote:
> ... to make it easier for userspace applications to consume them.
>
> Signed-off-by: Filippo Sironi <sironi@amazon.de>
> Cc: Bjorn Helgaas <helgaas@kernel.org>
> Cc: linux-pci@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org

Applied to pci/virtualization for v4.15, thanks!

> ---
> v2:
> * follow up with the rename of vf_did to vf_device
>
> drivers/pci/pci-sysfs.c | 33 +++++++++++++++++++++++++++++++++
> 1 file changed, 33 insertions(+)
>
> diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
> index 2f3780b50723..e6f4133f8992 100644
> --- a/drivers/pci/pci-sysfs.c
> +++ b/drivers/pci/pci-sysfs.c
> @@ -648,6 +648,33 @@ static ssize_t sriov_numvfs_store(struct device *dev,
> return count;
> }
>
> +static ssize_t sriov_offset_show(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)
> +{
> + struct pci_dev *pdev = to_pci_dev(dev);
> +
> + return sprintf(buf, "%u\n", pdev->sriov->offset);
> +}
> +
> +static ssize_t sriov_stride_show(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)
> +{
> + struct pci_dev *pdev = to_pci_dev(dev);
> +
> + return sprintf(buf, "%u\n", pdev->sriov->stride);
> +}
> +
> +static ssize_t sriov_vf_device_show(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)
> +{
> + struct pci_dev *pdev = to_pci_dev(dev);
> +
> + return sprintf(buf, "%x\n", pdev->sriov->vf_device);
> +}
> +
> static ssize_t sriov_drivers_autoprobe_show(struct device *dev,
> struct device_attribute *attr,
> char *buf)
> @@ -676,6 +703,9 @@ static struct device_attribute sriov_totalvfs_attr = __ATTR_RO(sriov_totalvfs);
> static struct device_attribute sriov_numvfs_attr =
> __ATTR(sriov_numvfs, (S_IRUGO|S_IWUSR|S_IWGRP),
> sriov_numvfs_show, sriov_numvfs_store);
> +static struct device_attribute sriov_offset_attr = __ATTR_RO(sriov_offset);
> +static struct device_attribute sriov_stride_attr = __ATTR_RO(sriov_stride);
> +static struct device_attribute sriov_vf_device_attr = __ATTR_RO(sriov_vf_device);
> static struct device_attribute sriov_drivers_autoprobe_attr =
> __ATTR(sriov_drivers_autoprobe, (S_IRUGO|S_IWUSR|S_IWGRP),
> sriov_drivers_autoprobe_show, sriov_drivers_autoprobe_store);
> @@ -1744,6 +1774,9 @@ static struct attribute_group pci_dev_hp_attr_group = {
> static struct attribute *sriov_dev_attrs[] = {
> &sriov_totalvfs_attr.attr,
> &sriov_numvfs_attr.attr,
> + &sriov_offset_attr.attr,
> + &sriov_stride_attr.attr,
> + &sriov_vf_device_attr.attr,
> &sriov_drivers_autoprobe_attr.attr,
> NULL,
> };
> --
> 2.7.4
>

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