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RDMA/cxgb3: Remove old FRWR API

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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>
This commit is contained in:
Sagi Grimberg 2015-10-13 19:11:45 +03:00 committed by Doug Ledford
parent 191cfed565
commit 94e585cb74
3 changed files with 1 additions and 72 deletions
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2
drivers/infiniband/hw/cxgb3/iwch_cq.c
View File

@ -123,7 +123,7 @@ static int iwch_poll_cq_one(struct iwch_dev *rhp, struct iwch_cq *chp,
wc->opcode = IB_WC_LOCAL_INV;
break;
case T3_FAST_REGISTER:
wc->opcode = IB_WC_FAST_REG_MR;
wc->opcode = IB_WC_REG_MR;
break;
default:
printk(KERN_ERR MOD "Unexpected opcode %d "

24
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -884,28 +884,6 @@ static int iwch_map_mr_sg(struct ib_mr *ibmr,
return ib_sg_to_pages(ibmr, sg, sg_nents, iwch_set_page);
}
static struct ib_fast_reg_page_list *iwch_alloc_fastreg_pbl(
struct ib_device *device,
int page_list_len)
{
struct ib_fast_reg_page_list *page_list;
page_list = kmalloc(sizeof *page_list + page_list_len * sizeof(u64),
GFP_KERNEL);
if (!page_list)
return ERR_PTR(-ENOMEM);
page_list->page_list = (u64 *)(page_list + 1);
page_list->max_page_list_len = page_list_len;
return page_list;
}
static void iwch_free_fastreg_pbl(struct ib_fast_reg_page_list *page_list)
{
kfree(page_list);
}
static int iwch_destroy_qp(struct ib_qp *ib_qp)
{
struct iwch_dev *rhp;
@ -1483,8 +1461,6 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.dealloc_mw = iwch_dealloc_mw;
dev->ibdev.alloc_mr = iwch_alloc_mr;
dev->ibdev.map_mr_sg = iwch_map_mr_sg;
dev->ibdev.alloc_fast_reg_page_list = iwch_alloc_fastreg_pbl;
dev->ibdev.free_fast_reg_page_list = iwch_free_fastreg_pbl;
dev->ibdev.attach_mcast = iwch_multicast_attach;
dev->ibdev.detach_mcast = iwch_multicast_detach;
dev->ibdev.process_mad = iwch_process_mad;

47
drivers/infiniband/hw/cxgb3/iwch_qp.c
View File

@ -189,48 +189,6 @@ static int build_memreg(union t3_wr *wqe, struct ib_reg_wr *wr,
return 0;
}
static int build_fastreg(union t3_wr *wqe, struct ib_send_wr *send_wr,
u8 *flit_cnt, int *wr_cnt, struct t3_wq *wq)
{
struct ib_fast_reg_wr *wr = fast_reg_wr(send_wr);
int i;
__be64 *p;
if (wr->page_list_len > T3_MAX_FASTREG_DEPTH)
return -EINVAL;
*wr_cnt = 1;
wqe->fastreg.stag = cpu_to_be32(wr->rkey);
wqe->fastreg.len = cpu_to_be32(wr->length);
wqe->fastreg.va_base_hi = cpu_to_be32(wr->iova_start >> 32);
wqe->fastreg.va_base_lo_fbo = cpu_to_be32(wr->iova_start & 0xffffffff);
wqe->fastreg.page_type_perms = cpu_to_be32(
V_FR_PAGE_COUNT(wr->page_list_len) |
V_FR_PAGE_SIZE(wr->page_shift-12) |
V_FR_TYPE(TPT_VATO) |
V_FR_PERMS(iwch_ib_to_tpt_access(wr->access_flags)));
p = &wqe->fastreg.pbl_addrs[0];
for (i = 0; i < wr->page_list_len; i++, p++) {
/* If we need a 2nd WR, then set it up */
if (i == T3_MAX_FASTREG_FRAG) {
*wr_cnt = 2;
wqe = (union t3_wr *)(wq->queue +
Q_PTR2IDX((wq->wptr+1), wq->size_log2));
build_fw_riwrh((void *)wqe, T3_WR_FASTREG, 0,
Q_GENBIT(wq->wptr + 1, wq->size_log2),
0, 1 + wr->page_list_len - T3_MAX_FASTREG_FRAG,
T3_EOP);
p = &wqe->pbl_frag.pbl_addrs[0];
}
*p = cpu_to_be64((u64)wr->page_list->page_list[i]);
}
*flit_cnt = 5 + wr->page_list_len;
if (*flit_cnt > 15)
*flit_cnt = 15;
return 0;
}
static int build_inv_stag(union t3_wr *wqe, struct ib_send_wr *wr,
u8 *flit_cnt)
{
@ -457,11 +415,6 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
if (!qhp->wq.oldest_read)
qhp->wq.oldest_read = sqp;
break;
case IB_WR_FAST_REG_MR:
t3_wr_opcode = T3_WR_FASTREG;
err = build_fastreg(wqe, wr, &t3_wr_flit_cnt,
&wr_cnt, &qhp->wq);
break;
case IB_WR_REG_MR:
t3_wr_opcode = T3_WR_FASTREG;
err = build_memreg(wqe, reg_wr(wr), &t3_wr_flit_cnt,