diff options
| author | Matan Barak <matanb@mellanox.com> | 2017-08-03 16:07:07 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-31 08:35:14 -0400 |
| commit | 8eb19e8e7c8658226d8b7e75728e6dfa2ef32717 (patch) | |
| tree | e6415833591c157b335a60d3dc20e04312459d8a /drivers | |
| parent | 524271129401ed896dc76e49acdbafc506cb41ac (diff) | |
| download | linux-8eb19e8e7c8658226d8b7e75728e6dfa2ef32717.tar.bz2 | |
IB/core: Expose ioctl interface through experimental Kconfig
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>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 6 |
3 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 234fe01904e7..3726205c8704 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -34,6 +34,15 @@ 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. + These commands are parsed via per-device parsing tree and + enables per-device features. + config INFINIBAND_USER_MEM bool depends on INFINIBAND_USER_ACCESS != n diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index 0f6f768f687e..37c8903e7fd0 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -219,6 +219,8 @@ int uverbs_dealloc_mw(struct ib_mw *mw); 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 { diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 872fec910c16..dc2aed6fb21b 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -939,6 +939,9 @@ static const struct file_operations uverbs_fops = { .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 = { @@ -948,6 +951,9 @@ static const struct file_operations uverbs_mmap_fops = { .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 = { |