diff options
| author |   Roland Dreier <rolandd@cisco.com> | 2005-09-29 14:17:48 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2005-10-17 15:20:26 -0700 |
| commit | 274c0891637c44ac71f3ac40be91b43c2318883a (patch) | |
| tree | fc7d9f07ab7e663a8acb771069cb9f1053ca2302 /drivers/infiniband/core/uverbs_main.c | |
| parent | [IB] uverbs: Fix up resource creation error paths (diff) | |
| download | linux-dev-274c0891637c44ac71f3ac40be91b43c2318883a.tar.xz linux-dev-274c0891637c44ac71f3ac40be91b43c2318883a.zip | |
[IB] uverbs: Add device-specific ABI version attribute
Add abi_version attribute to uverbs class devices to allow for
ABI versioning of device-specific interfaces.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_main.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index e7058fbc607d..c84cc28b60ee 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -598,6 +598,15 @@ static ssize_t show_ibdev(struct class_device *class_dev, char *buf) } static CLASS_DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL); +static ssize_t show_dev_abi_version(struct class_device *class_dev, char *buf) +{ + struct ib_uverbs_device *dev = + container_of(class_dev, struct ib_uverbs_device, class_dev); + + return sprintf(buf, "%d\n", dev->ib_dev->uverbs_abi_ver); +} +static CLASS_DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL); + static void ib_uverbs_release_class_dev(struct class_device *class_dev) { struct ib_uverbs_device *dev = @@ -662,6 +671,8 @@ static void ib_uverbs_add_one(struct ib_device *device) if (class_device_create_file(&uverbs_dev->class_dev, &class_device_attr_ibdev)) goto err_class; + if (class_device_create_file(&uverbs_dev->class_dev, &class_device_attr_abi_version)) + goto err_class; ib_set_client_data(device, &uverbs_client, uverbs_dev); |