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RDMA/mana_ib: Allow registration of DMA-mapped memory in PDs

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Allow the HW to register DMA-mapped memory for kernel-level PDs.

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1737394039-28772-2-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com>
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Konstantin Taranov 2025-01-20 09:27:07 -08:00 committed by Leon Romanovsky
parent 190797d47f
commit 78683c25c8
2 changed files with 4 additions and 0 deletions
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3
drivers/infiniband/hw/mana/main.c
View File

@ -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);

1
include/net/mana/gdma.h
View File

@ -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 {