iw_cxgb4: Remove old FRWR API

No ULP uses it anymore, go ahead and remove it.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index aac75a068768..aa515afee724 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -670,75 +670,6 @@ static int build_memreg(struct t4_sq *sq, union t4_wr *wqe,
 	return 0;
 }
 
-static int build_fastreg(struct t4_sq *sq, union t4_wr *wqe,
-			 struct ib_send_wr *send_wr, u8 *len16, u8 t5dev)
-{
-	struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr);
-
-	struct fw_ri_immd *imdp;
-	__be64 *p;
-	int i;
-	int pbllen = roundup(wr->page_list_len * sizeof(u64), 32);
-	int rem;
-
-	if (wr->page_list_len > t4_max_fr_depth(use_dsgl))
-		return -EINVAL;
-
-	wqe->fr.qpbinde_to_dcacpu = 0;
-	wqe->fr.pgsz_shift = wr->page_shift - 12;
-	wqe->fr.addr_type = FW_RI_VA_BASED_TO;
-	wqe->fr.mem_perms = c4iw_ib_to_tpt_access(wr->access_flags);
-	wqe->fr.len_hi = 0;
-	wqe->fr.len_lo = cpu_to_be32(wr->length);
-	wqe->fr.stag = cpu_to_be32(wr->rkey);
-	wqe->fr.va_hi = cpu_to_be32(wr->iova_start >> 32);
-	wqe->fr.va_lo_fbo = cpu_to_be32(wr->iova_start & 0xffffffff);
-
-	if (t5dev && use_dsgl && (pbllen > max_fr_immd)) {
-		struct c4iw_fr_page_list *c4pl =
-			to_c4iw_fr_page_list(wr->page_list);
-		struct fw_ri_dsgl *sglp;
-
-		for (i = 0; i < wr->page_list_len; i++) {
-			wr->page_list->page_list[i] = (__force u64)
-				cpu_to_be64((u64)wr->page_list->page_list[i]);
-		}
-
-		sglp = (struct fw_ri_dsgl *)(&wqe->fr + 1);
-		sglp->op = FW_RI_DATA_DSGL;
-		sglp->r1 = 0;
-		sglp->nsge = cpu_to_be16(1);
-		sglp->addr0 = cpu_to_be64(c4pl->dma_addr);
-		sglp->len0 = cpu_to_be32(pbllen);
-
-		*len16 = DIV_ROUND_UP(sizeof(wqe->fr) + sizeof(*sglp), 16);
-	} else {
-		imdp = (struct fw_ri_immd *)(&wqe->fr + 1);
-		imdp->op = FW_RI_DATA_IMMD;
-		imdp->r1 = 0;
-		imdp->r2 = 0;
-		imdp->immdlen = cpu_to_be32(pbllen);
-		p = (__be64 *)(imdp + 1);
-		rem = pbllen;
-		for (i = 0; i < wr->page_list_len; i++) {
-			*p = cpu_to_be64((u64)wr->page_list->page_list[i]);
-			rem -= sizeof(*p);
-			if (++p == (__be64 *)&sq->queue[sq->size])
-				p = (__be64 *)sq->queue;
-		}
-		BUG_ON(rem < 0);
-		while (rem) {
-			*p = 0;
-			rem -= sizeof(*p);
-			if (++p == (__be64 *)&sq->queue[sq->size])
-				p = (__be64 *)sq->queue;
-		}
-		*len16 = DIV_ROUND_UP(sizeof(wqe->fr) + sizeof(*imdp)
-				      + pbllen, 16);
-	}
-	return 0;
-}
-
 static int build_inv_stag(union t4_wr *wqe, struct ib_send_wr *wr,
 			  u8 *len16)
 {
@@ -873,14 +804,6 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 			if (!qhp->wq.sq.oldest_read)
 				qhp->wq.sq.oldest_read = swsqe;
 			break;
-		case IB_WR_FAST_REG_MR:
-			fw_opcode = FW_RI_FR_NSMR_WR;
-			swsqe->opcode = FW_RI_FAST_REGISTER;
-			err = build_fastreg(&qhp->wq.sq, wqe, wr, &len16,
-					    !is_t4(
-					    qhp->rhp->rdev.lldi.adapter_type) ?
-					    1 : 0);
-			break;
 		case IB_WR_REG_MR:
 			fw_opcode = FW_RI_FR_NSMR_WR;
 			swsqe->opcode = FW_RI_FAST_REGISTER;