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author | Bjorn Helgaas <bhelgaas@google.com> | 2013-06-05 12:27:19 -0600 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-06-05 12:27:19 -0600 |
commit | bb4bac9308bf8df5027dcbf27f1016104e3a504f (patch) | |
tree | 7c02fddf034225871db208cc6e7fee0f959bcaf3 /drivers | |
parent | 06886e8043877d5c439f5e2a3bcf23761bc1ae9d (diff) | |
parent | dfab88beda88d6c24111e5966b08ecf813c3a18a (diff) | |
download | op-kernel-dev-bb4bac9308bf8df5027dcbf27f1016104e3a504f.zip op-kernel-dev-bb4bac9308bf8df5027dcbf27f1016104e3a504f.tar.gz |
Merge branch 'pci/jiang-iov-fixes' into next
* pci/jiang-iov-fixes:
PCI: Hide remove and rescan sysfs interfaces for SR-IOV virtual functions
PCI: Finish SR-IOV VF setup before adding the device
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/pci/iov.c | 5 | ||||
-rw-r--r-- | drivers/pci/pci-sysfs.c | 30 |
2 files changed, 30 insertions, 5 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index c93071d..a971a6f 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -92,6 +92,8 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset) pci_read_config_word(dev, iov->pos + PCI_SRIOV_VF_DID, &virtfn->device); pci_setup_device(virtfn); virtfn->dev.parent = dev->dev.parent; + virtfn->physfn = pci_dev_get(dev); + virtfn->is_virtfn = 1; for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) { res = dev->resource + PCI_IOV_RESOURCES + i; @@ -113,9 +115,6 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset) pci_device_add(virtfn, virtfn->bus); mutex_unlock(&iov->dev->sriov->lock); - virtfn->physfn = pci_dev_get(dev); - virtfn->is_virtfn = 1; - rc = pci_bus_add_device(virtfn); sprintf(buf, "virtfn%u", id); rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 0b56e08..c0dbe1f 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -325,6 +325,8 @@ dev_rescan_store(struct device *dev, struct device_attribute *attr, } return count; } +struct device_attribute dev_rescan_attr = __ATTR(rescan, (S_IWUSR|S_IWGRP), + NULL, dev_rescan_store); static void remove_callback(struct device *dev) { @@ -354,6 +356,8 @@ remove_store(struct device *dev, struct device_attribute *dummy, count = ret; return count; } +struct device_attribute dev_remove_attr = __ATTR(remove, (S_IWUSR|S_IWGRP), + NULL, remove_store); static ssize_t dev_bus_rescan_store(struct device *dev, struct device_attribute *attr, @@ -504,8 +508,6 @@ struct device_attribute pci_dev_attrs[] = { __ATTR(broken_parity_status,(S_IRUGO|S_IWUSR), broken_parity_status_show,broken_parity_status_store), __ATTR(msi_bus, 0644, msi_bus_show, msi_bus_store), - __ATTR(remove, (S_IWUSR|S_IWGRP), NULL, remove_store), - __ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_rescan_store), #if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI) __ATTR(d3cold_allowed, 0644, d3cold_allowed_show, d3cold_allowed_store), #endif @@ -1463,6 +1465,29 @@ static umode_t pci_dev_attrs_are_visible(struct kobject *kobj, return a->mode; } +static struct attribute *pci_dev_hp_attrs[] = { + &dev_remove_attr.attr, + &dev_rescan_attr.attr, + NULL, +}; + +static umode_t pci_dev_hp_attrs_are_visible(struct kobject *kobj, + struct attribute *a, int n) +{ + struct device *dev = container_of(kobj, struct device, kobj); + struct pci_dev *pdev = to_pci_dev(dev); + + if (pdev->is_virtfn) + return 0; + + return a->mode; +} + +static struct attribute_group pci_dev_hp_attr_group = { + .attrs = pci_dev_hp_attrs, + .is_visible = pci_dev_hp_attrs_are_visible, +}; + #ifdef CONFIG_PCI_IOV static struct attribute *sriov_dev_attrs[] = { &sriov_totalvfs_attr.attr, @@ -1494,6 +1519,7 @@ static struct attribute_group pci_dev_attr_group = { static const struct attribute_group *pci_dev_attr_groups[] = { &pci_dev_attr_group, + &pci_dev_hp_attr_group, #ifdef CONFIG_PCI_IOV &sriov_dev_attr_group, #endif |