diff options
| -rw-r--r-- | drivers/infiniband/core/device.c | 10 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 1 | ||||
| -rw-r--r-- | include/rdma/ib_verbs.h | 5 |
3 files changed, 12 insertions, 4 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index b511cfa00bdb..9d2e108235e9 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -121,13 +121,12 @@ static int ib_device_check_mandatory(struct ib_device *device) }; int i; + device->kverbs_provider = true; for (i = 0; i < ARRAY_SIZE(mandatory_table); ++i) { if (!*(void **) ((void *) &device->ops + mandatory_table[i].offset)) { - dev_warn(&device->dev, - "Device is missing mandatory function %s\n", - mandatory_table[i].name); - return -EINVAL; + device->kverbs_provider = false; + break; } } @@ -325,6 +324,9 @@ static int add_client_context(struct ib_device *device, struct ib_client *client { struct ib_client_data *context; + if (!device->kverbs_provider && !client->no_kverbs_req) + return -EOPNOTSUPP; + context = kmalloc(sizeof(*context), GFP_KERNEL); if (!context) return -ENOMEM; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 996f167d1436..d628747e058c 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -1151,6 +1151,7 @@ static const struct file_operations uverbs_mmap_fops = { static struct ib_client uverbs_client = { .name = "uverbs", + .no_kverbs_req = true, .add = ib_uverbs_add_one, .remove = ib_uverbs_remove_one }; diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index a1a1e710642c..4183a03b46b5 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -2565,6 +2565,8 @@ struct ib_device { __be64 node_guid; u32 local_dma_lkey; u16 is_switch:1; + /* Indicates kernel verbs support, should not be used in drivers */ + u16 kverbs_provider:1; u8 node_type; u8 phys_port_cnt; struct ib_device_attr attrs; @@ -2619,6 +2621,9 @@ struct ib_client { const struct sockaddr *addr, void *client_data); struct list_head list; + + /* kverbs are not required by the client */ + u8 no_kverbs_req:1; }; struct ib_device *_ib_alloc_device(size_t size); |