On Sun, Apr 01, 2018 at 03:08:02PM +0300, Leon Romanovsky wrote: > From: Ariel Levkovich <lariel@xxxxxxxxxxxx> > > This change adds uverbs support for allocation/freeing > of device memory commands. > > A new uverbs object is defined of type idr to represent > and track the new resource type allocation per context. > > The API requires provider driver to implement 2 new ib_device > callbacks - one for allocation and one for deallocation which > return and accept (respectively) the ib_dm object which represents > the allocated memory on the device. > > The support is added via the ioctl command infrastructure > only. > > Signed-off-by: Ariel Levkovich <lariel@xxxxxxxxxxxx> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> > drivers/infiniband/core/Makefile | 2 +- > drivers/infiniband/core/uverbs.h | 2 + > drivers/infiniband/core/uverbs_std_types.c | 3 +- > drivers/infiniband/core/uverbs_std_types_dm.c | 108 ++++++++++++++++++++++++++ > include/rdma/ib_verbs.h | 20 ++++- > include/uapi/rdma/ib_user_ioctl_cmds.h | 15 ++++ > 6 files changed, 147 insertions(+), 3 deletions(-) > create mode 100644 drivers/infiniband/core/uverbs_std_types_dm.c > > diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile > index 445c5504f605..636da34f8308 100644 > +++ b/drivers/infiniband/core/Makefile > @@ -35,4 +35,4 @@ ib_ucm-y := ucm.o > ib_uverbs-y := uverbs_main.o uverbs_cmd.o uverbs_marshall.o \ > rdma_core.o uverbs_std_types.o uverbs_ioctl.o \ > uverbs_ioctl_merge.o uverbs_std_types_cq.o \ > - uverbs_std_types_flow_action.o > + uverbs_std_types_flow_action.o uverbs_std_types_dm.o > diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h > index 3229e87d03cb..4c3f3288c284 100644 > +++ b/drivers/infiniband/core/uverbs.h > @@ -234,6 +234,7 @@ int ib_uverbs_dealloc_xrcd(struct ib_uverbs_device *dev, struct ib_xrcd *xrcd, > enum rdma_remove_reason why); > > int uverbs_dealloc_mw(struct ib_mw *mw); > +int uverbs_dealloc_dm(struct ib_dm *dm); This function is never defined.. Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html