From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dennis Dalessandro Subject: [PATCH v2 1/7] IB/rdmavt: Add IB user context allocation and de-alloction functions Date: Fri, 22 Jan 2016 12:50:05 -0800 Message-ID: <20160122205003.4351.44989.stgit@scvm10.sc.intel.com> References: <20160122204807.4351.24569.stgit@scvm10.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160122204807.4351.24569.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Harish Chegondi , Ira Weiny List-Id: linux-rdma@vger.kernel.org From: Harish Chegondi Adding IB user context alloc and dealloc functions to rdmavt so that the drivers that use rdmavt can use these functions instead of defining their own functions. Reviewed-by: Ira Weiny Signed-off-by: Harish Chegondi --- drivers/infiniband/sw/rdmavt/vt.c | 20 ++++++++++++++++++-- 1 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 18b5f43..df2df36 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -189,6 +189,16 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, return -EOPNOTSUPP; } +struct rvt_ucontext { + struct ib_ucontext ibucontext; +}; + +static inline struct rvt_ucontext *to_iucontext(struct ib_ucontext + *ibucontext) +{ + return container_of(ibucontext, struct rvt_ucontext, ibucontext); +} + /** * rvt_alloc_ucontext - Allocate a user context * @ibdev: Vers IB dev @@ -197,7 +207,12 @@ static int rvt_query_gid(struct ib_device *ibdev, u8 port, static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev, struct ib_udata *udata) { - return ERR_PTR(-EOPNOTSUPP); + struct rvt_ucontext *context; + + context = kmalloc(sizeof(*context), GFP_KERNEL); + if (!context) + return ERR_PTR(-ENOMEM); + return &context->ibucontext; } /** @@ -206,7 +221,8 @@ static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev, */ static int rvt_dealloc_ucontext(struct ib_ucontext *context) { - return -EOPNOTSUPP; + kfree(to_iucontext(context)); + return 0; } static int rvt_get_port_immutable(struct ib_device *ibdev, u8 port_num, -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html