| Message ID | 1507504151-16179-2-git-send-email-sironi@amazon.de |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [v2] pci: Expose offset, stride, and VF device ID via sysfs | expand |
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 >
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, };
... 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 --- v2: * follow up with the rename of vf_did to vf_device drivers/pci/pci-sysfs.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)