[SRU Jammy 2/9] RDMA/irdma: Remove irdma_sc_send_lsmm_nostag()

[Cengiz Can]

From: Zhu Yanjun <yanjun.zhu at linux.dev>

The function irdma_sc_send_lsmm_nostag is not used. So remove it.

Link: https://lore.kernel.org/r/20211011110128.4057-3-yanjun.zhu@linux.dev
Signed-off-by: Zhu Yanjun <yanjun.zhu at linux.dev>
Acked-by: Shiraz Saleem <shiraz.saleem at intel.com>
Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
(cherry picked from commit 6d2682216d1fd2b54ee16dbb6afd8a597645dbad)
CVE-2023-25775
[cengizcan: prerequisite commit]
Signed-off-by: Cengiz Can <cengiz.can at canonical.com>
---
 drivers/infiniband/hw/irdma/ctrl.c | 38 ------------------------------
 drivers/infiniband/hw/irdma/type.h |  2 +-
 2 files changed, 1 insertion(+), 39 deletions(-)

diff --git a/drivers/infiniband/hw/irdma/ctrl.c b/drivers/infiniband/hw/irdma/ctrl.c
index ad14c2404e94..22c6a295687d 100644
--- a/drivers/infiniband/hw/irdma/ctrl.c
+++ b/drivers/infiniband/hw/irdma/ctrl.c
@@ -1419,44 +1419,6 @@ void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size,
 		irdma_sc_gen_rts_ae(qp);
 }
 
-/**
- * irdma_sc_send_lsmm_nostag - for privilege qp
- * @qp: sc qp struct
- * @lsmm_buf: buffer with lsmm message
- * @size: size of lsmm buffer
- */
-void irdma_sc_send_lsmm_nostag(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size)
-{
-	__le64 *wqe;
-	u64 hdr;
-	struct irdma_qp_uk *qp_uk;
-
-	qp_uk = &qp->qp_uk;
-	wqe = qp_uk->sq_base->elem;
-
-	set_64bit_val(wqe, 0, (uintptr_t)lsmm_buf);
-
-	if (qp->qp_uk.uk_attrs->hw_rev == IRDMA_GEN_1)
-		set_64bit_val(wqe, 8,
-			      FIELD_PREP(IRDMAQPSQ_GEN1_FRAG_LEN, size));
-	else
-		set_64bit_val(wqe, 8,
-			      FIELD_PREP(IRDMAQPSQ_FRAG_LEN, size) |
-			      FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity));
-	set_64bit_val(wqe, 16, 0);
-
-	hdr = FIELD_PREP(IRDMAQPSQ_OPCODE, IRDMAQP_OP_RDMA_SEND) |
-	      FIELD_PREP(IRDMAQPSQ_STREAMMODE, 1) |
-	      FIELD_PREP(IRDMAQPSQ_WAITFORRCVPDU, 1) |
-	      FIELD_PREP(IRDMAQPSQ_VALID, qp->qp_uk.swqe_polarity);
-	dma_wmb(); /* make sure WQE is written before valid bit is set */
-
-	set_64bit_val(wqe, 24, hdr);
-
-	print_hex_dump_debug("WQE: SEND_LSMM_NOSTAG WQE", DUMP_PREFIX_OFFSET,
-			     16, 8, wqe, IRDMA_QP_WQE_MIN_SIZE, false);
-}
-
 /**
  * irdma_sc_send_rtt - send last read0 or write0
  * @qp: sc qp struct
diff --git a/drivers/infiniband/hw/irdma/type.h b/drivers/infiniband/hw/irdma/type.h
index 8b75e2610e5b..5c91a9f3adef 100644
--- a/drivers/infiniband/hw/irdma/type.h
+++ b/drivers/infiniband/hw/irdma/type.h
@@ -1259,7 +1259,7 @@ enum irdma_status_code irdma_sc_qp_modify(struct irdma_sc_qp *qp,
 					  u64 scratch, bool post_sq);
 void irdma_sc_send_lsmm(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size,
 			irdma_stag stag);
-void irdma_sc_send_lsmm_nostag(struct irdma_sc_qp *qp, void *lsmm_buf, u32 size);
+
 void irdma_sc_send_rtt(struct irdma_sc_qp *qp, bool read);
 void irdma_sc_qp_setctx(struct irdma_sc_qp *qp, __le64 *qp_ctx,
 			struct irdma_qp_host_ctx_info *info);
-- 
2.39.2