diff mbox series

[rdma-next,01/13] RDMA/mana_ib: Allow registration of DMA-mapped memory in PDs

Message ID 1737394039-28772-2-git-send-email-kotaranov@linux.microsoft.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series RDMA/mana_ib: Enable CM for mana_ib | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success Errors and warnings before: 0 (+1) this patch: 0 (+1)
netdev/cc_maintainers warning 1 maintainers not CCed: horms@kernel.org
netdev/build_clang success Errors and warnings before: 12 this patch: 12
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Konstantin Taranov Jan. 20, 2025, 5:27 p.m. UTC 
From: Konstantin Taranov <kotaranov@microsoft.com>

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

Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Reviewed-by: Shiraz Saleem <shirazsaleem@microsoft.com>
---
 drivers/infiniband/hw/mana/main.c | 3 +++
 include/net/mana/gdma.h           | 1 +
 2 files changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 67c2d43..45b251b 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 90f5665..03e1b25 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 {