On Mon, Apr 10, 2023 at 04:11:50AM -0700, Selvin Xavier wrote:
> Replace the mmap handling function with common code in
> IB core. Create rdma_user_mmap_entry for each mmap
> resource and add to the ib_core mmap list. Add mmap_free
> verb support. Also, use rdma_user_mmap_io while mapping
> Doorbell pages.
>
> Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/bnxt_re/ib_verbs.c | 110 ++++++++++++++++++++++++++----
> drivers/infiniband/hw/bnxt_re/ib_verbs.h | 15 ++++
> drivers/infiniband/hw/bnxt_re/main.c | 1 +
> drivers/infiniband/hw/bnxt_re/qplib_fp.c | 10 +--
> drivers/infiniband/hw/bnxt_re/qplib_res.c | 2 +-
> 5 files changed, 115 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> index e86afec..c9d134c 100644
> --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> @@ -533,12 +533,42 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd)
> return rc;
> }
>
> +static struct rdma_user_mmap_entry*
> +bnxt_re_mmap_entry_insert(struct bnxt_re_ucontext *uctx, u64 mem_offset,
> + enum bnxt_re_mmap_flag mmap_flag, u64 *offset)
> +{
> + struct bnxt_re_user_mmap_entry *entry = kzalloc(sizeof(*entry), GFP_KERNEL);
Please separate calls to kzalloc() and variable initialization.
Thanks
