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Commit 8eb19e8e authored by Matan Barak's avatar Matan Barak Committed by Doug Ledford
Browse files

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: default avatarMatan Barak <matanb@mellanox.com>
Reviewed-by: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 52427112

drivers/infiniband/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -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

drivers/infiniband/core/uverbs.h

+2 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/infiniband/core/uverbs_main.c

+6 −0
Original line number Diff line number Diff line
@@ -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 = {