On Thu, Sep 30, 2021 at 2:20 PM Shunsuke Mie mie@igel.co.jp wrote:
Implement a new provider method for dma-buf base memory registration.
Signed-off-by: Shunsuke Mie mie@igel.co.jp
providers/rxe/rxe.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/providers/rxe/rxe.c b/providers/rxe/rxe.c index 3c3ea8bb..84e00e60 100644 --- a/providers/rxe/rxe.c +++ b/providers/rxe/rxe.c @@ -239,6 +239,26 @@ static struct ibv_mr *rxe_reg_mr(struct ibv_pd *pd, void *addr, size_t length, return &vmr->ibv_mr; }
+static struct ibv_mr *rxe_reg_dmabuf_mr(struct ibv_pd *pd, uint64_t offset,
size_t length, uint64_t iova, int fd,int access)+{
struct verbs_mr *vmr;int ret;vmr = malloc(sizeof(*vmr));if (!vmr)return NULL;
Do we need to set vmr to zero like the following?
memset(vmr, 0, sizeof(*vmr));
Zhu Yanjun
ret = ibv_cmd_reg_dmabuf_mr(pd, offset, length, iova, fd, access, vmr);if (ret) {free(vmr);return NULL;}return &vmr->ibv_mr;+}
static int rxe_dereg_mr(struct verbs_mr *vmr) { int ret; @@ -1706,6 +1726,7 @@ static const struct verbs_context_ops rxe_ctx_ops = { .alloc_pd = rxe_alloc_pd, .dealloc_pd = rxe_dealloc_pd, .reg_mr = rxe_reg_mr,
.reg_dmabuf_mr = rxe_reg_dmabuf_mr, .dereg_mr = rxe_dereg_mr, .alloc_mw = rxe_alloc_mw, .dealloc_mw = rxe_dealloc_mw,-- 2.17.1