@@ -34,6 +34,13 @@ config INFINIBAND_USER_ACCESS
libibverbs, libibcm and a hardware driver library from
<http://www.openfabrics.org/git/>.
+config INFINIBAND_EXP_USER_ACCESS
+ bool "Allow experimental support for Infiniband ABI"
+ depends on INFINIBAND_USER_ACCESS
+ ---help---
+ IOCTL based ABI support for Infiniband. This allows userspace
+ to invoke the experimental IOCTL based ABI.
+
config INFINIBAND_USER_MEM
bool
depends on INFINIBAND_USER_ACCESS != n
@@ -225,6 +225,8 @@ void uverbs_copy_query_dev_fields(struct ib_device *ib_dev,
void ib_uverbs_detach_umcast(struct ib_qp *qp,
struct ib_uqp_object *uobj);
+long ib_uverbs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+
struct ib_uverbs_flow_spec {
union {
union {
@@ -950,6 +950,9 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp)
.open = ib_uverbs_open,
.release = ib_uverbs_close,
.llseek = no_llseek,
+#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS)
+ .unlocked_ioctl = ib_uverbs_ioctl,
+#endif
};
static const struct file_operations uverbs_mmap_fops = {
@@ -959,6 +962,9 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp)
.open = ib_uverbs_open,
.release = ib_uverbs_close,
.llseek = no_llseek,
+#if IS_ENABLED(CONFIG_INFINIBAND_EXP_USER_ACCESS)
+ .unlocked_ioctl = ib_uverbs_ioctl,
+#endif
};
static struct ib_client uverbs_client = {
Add CONFIG_INFINIBAND_EXP_USER_ACCESS that enables the ioctl interface. This interface is experimental and is subject to change. Signed-off-by: Matan Barak <matanb@mellanox.com> --- drivers/infiniband/Kconfig | 7 +++++++ drivers/infiniband/core/uverbs.h | 2 ++ drivers/infiniband/core/uverbs_main.c | 6 ++++++ 3 files changed, 15 insertions(+)