From: Konstantin Taranov Date: Mon, 20 Jan 2025 17:27:07 +0000 (-0800) Subject: RDMA/mana_ib: Allow registration of DMA-mapped memory in PDs X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=78683c25c80e54bf3e8015fdfb8cba2fcd03daa5;p=users%2Fjedix%2Flinux-maple.git RDMA/mana_ib: Allow registration of DMA-mapped memory in PDs Allow the HW to register DMA-mapped memory for kernel-level PDs. Signed-off-by: Konstantin Taranov Link: https://patch.msgid.link/1737394039-28772-2-git-send-email-kotaranov@linux.microsoft.com Reviewed-by: Shiraz Saleem Reviewed-by: Long Li Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 67c2d43135a8..45b251b91131 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -82,6 +82,9 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_PD, sizeof(req), sizeof(resp)); + if (!udata) + flags |= GDMA_PD_FLAG_ALLOW_GPA_MR; + req.flags = flags; err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp); diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h index 90f56656b572..03e1b257953e 100644 --- a/include/net/mana/gdma.h +++ b/include/net/mana/gdma.h @@ -775,6 +775,7 @@ struct gdma_destroy_dma_region_req { enum gdma_pd_flags { GDMA_PD_FLAG_INVALID = 0, + GDMA_PD_FLAG_ALLOW_GPA_MR = 1, }; struct gdma_create_pd_req {