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| author | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-19 13:17:04 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-21 19:08:42 +0200 |
| commit | 261dc53f8ee037bf2fbf68f90c319b04062a126c (patch) | |
| tree | 9560fb1c89660afe0ebb2666a9b7c77cc7e5d163 /include/rdma/ib_umem_odp.h | |
| parent | RDMA/odp: Make the three ways to create a umem_odp clear (diff) | |
| download | linux-261dc53f8ee037bf2fbf68f90c319b04062a126c.tar.xz linux-261dc53f8ee037bf2fbf68f90c319b04062a126c.zip | |
RDMA/odp: Split creating a umem_odp from ib_umem_get
This is the last creation API that is overloaded for both, there is very
little code sharing and a driver has to be specifically ready for a
umem_odp to be created to use the odp version.
Link: https://lore.kernel.org/r/20190819111710.18440-7-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma/ib_umem_odp.h')
| -rw-r--r-- | include/rdma/ib_umem_odp.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h index 219fe7015e7d..5efb67f97b0a 100644 --- a/include/rdma/ib_umem_odp.h +++ b/include/rdma/ib_umem_odp.h @@ -139,7 +139,8 @@ struct ib_ucontext_per_mm { struct rcu_head rcu; }; -int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access); +struct ib_umem_odp *ib_umem_odp_get(struct ib_udata *udata, unsigned long addr, + size_t size, int access); struct ib_umem_odp *ib_umem_odp_alloc_implicit(struct ib_udata *udata, int access); struct ib_umem_odp *ib_umem_odp_alloc_child(struct ib_umem_odp *root_umem, @@ -199,9 +200,11 @@ static inline int ib_umem_mmu_notifier_retry(struct ib_umem_odp *umem_odp, #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ -static inline int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access) +static inline struct ib_umem_odp *ib_umem_odp_get(struct ib_udata *udata, + unsigned long addr, + size_t size, int access) { - return -EINVAL; + return ERR_PTR(-EINVAL); } static inline void ib_umem_odp_release(struct ib_umem_odp *umem_odp) {} |