diff options
| author |   Harish Chegondi <harish.chegondi@intel.com> | 2016-01-22 12:50:05 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-03-10 20:37:19 -0500 |
| commit | 6c43cf4b4851704de28cbd5fdfc55275744153fa (patch) | |
| tree | f053211353c49b197248afa74333e21af815702a /drivers/infiniband/sw/rdmavt/vt.c | |
| parent | IB/qib: Remove srq from qib (diff) | |
| download | linux-dev-6c43cf4b4851704de28cbd5fdfc55275744153fa.tar.xz linux-dev-6c43cf4b4851704de28cbd5fdfc55275744153fa.zip | |
IB/rdmavt: Add IB user context allocation and de-alloction functions
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 <ira.weiny@intel.com>
Signed-off-by: Harish Chegondi <harish.chegondi@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/vt.c')
| -rw-r--r-- | 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 18b5f43e6824..df2df361c342 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, |