Commit 78683c25 authored by Konstantin Taranov's avatar Konstantin Taranov Committed by Leon Romanovsky
Browse files

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: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1737394039-28772-2-git-send-email-kotaranov@linux.microsoft.com


Reviewed-by: default avatarShiraz Saleem <shirazsaleem@microsoft.com>
Reviewed-by: default avatarLong Li <longli@microsoft.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 190797d4

drivers/infiniband/hw/mana/main.c

+3 −0
Original line number Diff line number Diff line
@@ -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);

include/net/mana/gdma.h

+1 −0
Original line number Diff line number Diff line
@@ -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 {