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authorSagi Grimberg <sagig@mellanox.com>2015-10-13 19:11:48 +0300
committerDoug Ledford <dledford@redhat.com>2015-10-28 22:32:29 -0400
commit13d3e895faf68ab5f1981298198897a20b35827a (patch)
treed2cc7e0daebd5fe732892f3bf3a1d6189bcdcc10
parentb8533eccc8eadabc559ed25e4b848c71a2433c18 (diff)
RDMA/nes: 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>
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.h6
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c162
2 files changed, 1 insertions, 167 deletions
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index d748e4b31b8d..c9080208aad2 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -1200,12 +1200,6 @@ struct nes_fast_mr_wqe_pbl {
dma_addr_t paddr;
};
-struct nes_ib_fast_reg_page_list {
- struct ib_fast_reg_page_list ibfrpl;
- struct nes_fast_mr_wqe_pbl nes_wqe_pbl;
- u64 pbl;
-};
-
struct nes_listener {
struct work_struct work;
struct workqueue_struct *wq;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index dc8a03b0ca0d..137880a19ebe 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -486,76 +486,6 @@ static int nes_map_mr_sg(struct ib_mr *ibmr,
return ib_sg_to_pages(ibmr, sg, sg_nents, nes_set_page);
}
-/*
- * nes_alloc_fast_reg_page_list
- */
-static struct ib_fast_reg_page_list *nes_alloc_fast_reg_page_list(
- struct ib_device *ibdev,
- int page_list_len)
-{
- struct nes_vnic *nesvnic = to_nesvnic(ibdev);
- struct nes_device *nesdev = nesvnic->nesdev;
- struct ib_fast_reg_page_list *pifrpl;
- struct nes_ib_fast_reg_page_list *pnesfrpl;
-
- if (page_list_len > (NES_4K_PBL_CHUNK_SIZE / sizeof(u64)))
- return ERR_PTR(-E2BIG);
- /*
- * Allocate the ib_fast_reg_page_list structure, the
- * nes_fast_bpl structure, and the PLB table.
- */
- pnesfrpl = kmalloc(sizeof(struct nes_ib_fast_reg_page_list) +
- page_list_len * sizeof(u64), GFP_KERNEL);
-
- if (!pnesfrpl)
- return ERR_PTR(-ENOMEM);
-
- pifrpl = &pnesfrpl->ibfrpl;
- pifrpl->page_list = &pnesfrpl->pbl;
- pifrpl->max_page_list_len = page_list_len;
- /*
- * Allocate the WQE PBL
- */
- pnesfrpl->nes_wqe_pbl.kva = pci_alloc_consistent(nesdev->pcidev,
- page_list_len * sizeof(u64),
- &pnesfrpl->nes_wqe_pbl.paddr);
-
- if (!pnesfrpl->nes_wqe_pbl.kva) {
- kfree(pnesfrpl);
- return ERR_PTR(-ENOMEM);
- }
- nes_debug(NES_DBG_MR, "nes_alloc_fast_reg_pbl: nes_frpl = %p, "
- "ibfrpl = %p, ibfrpl.page_list = %p, pbl.kva = %p, "
- "pbl.paddr = %llx\n", pnesfrpl, &pnesfrpl->ibfrpl,
- pnesfrpl->ibfrpl.page_list, pnesfrpl->nes_wqe_pbl.kva,
- (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr);
-
- return pifrpl;
-}
-
-/*
- * nes_free_fast_reg_page_list
- */
-static void nes_free_fast_reg_page_list(struct ib_fast_reg_page_list *pifrpl)
-{
- struct nes_vnic *nesvnic = to_nesvnic(pifrpl->device);
- struct nes_device *nesdev = nesvnic->nesdev;
- struct nes_ib_fast_reg_page_list *pnesfrpl;
-
- pnesfrpl = container_of(pifrpl, struct nes_ib_fast_reg_page_list, ibfrpl);
- /*
- * Free the WQE PBL.
- */
- pci_free_consistent(nesdev->pcidev,
- pifrpl->max_page_list_len * sizeof(u64),
- pnesfrpl->nes_wqe_pbl.kva,
- pnesfrpl->nes_wqe_pbl.paddr);
- /*
- * Free the PBL structure
- */
- kfree(pnesfrpl);
-}
-
/**
* nes_query_device
*/
@@ -3470,94 +3400,6 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
NES_IWARP_SQ_LOCINV_WQE_INV_STAG_IDX,
ib_wr->ex.invalidate_rkey);
break;
- case IB_WR_FAST_REG_MR:
- {
- int i;
- struct ib_fast_reg_wr *fwr = fast_reg_wr(ib_wr);
- int flags = fwr->access_flags;
- struct nes_ib_fast_reg_page_list *pnesfrpl =
- container_of(fwr->page_list,
- struct nes_ib_fast_reg_page_list,
- ibfrpl);
- u64 *src_page_list = pnesfrpl->ibfrpl.page_list;
- u64 *dst_page_list = pnesfrpl->nes_wqe_pbl.kva;
-
- if (fwr->page_list_len >
- (NES_4K_PBL_CHUNK_SIZE / sizeof(u64))) {
- nes_debug(NES_DBG_IW_TX, "SQ_FMR: bad page_list_len\n");
- err = -EINVAL;
- break;
- }
- wqe_misc = NES_IWARP_SQ_OP_FAST_REG;
- set_wqe_64bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_VA_FBO_LOW_IDX,
- fwr->iova_start);
- set_wqe_32bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX,
- fwr->length);
- set_wqe_32bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0);
- set_wqe_32bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX,
- fwr->rkey);
- /* Set page size: */
- if (fwr->page_shift == 12) {
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_PAGE_SIZE_4K;
- } else if (fwr->page_shift == 21) {
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_PAGE_SIZE_2M;
- } else {
- nes_debug(NES_DBG_IW_TX, "Invalid page shift,"
- " ib_wr=%u, max=1\n", ib_wr->num_sge);
- err = -EINVAL;
- break;
- }
- /* Set access_flags */
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_LOCAL_READ;
- if (flags & IB_ACCESS_LOCAL_WRITE)
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_LOCAL_WRITE;
-
- if (flags & IB_ACCESS_REMOTE_WRITE)
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_REMOTE_WRITE;
-
- if (flags & IB_ACCESS_REMOTE_READ)
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_REMOTE_READ;
-
- if (flags & IB_ACCESS_MW_BIND)
- wqe_misc |= NES_IWARP_SQ_FMR_WQE_RIGHTS_ENABLE_WINDOW_BIND;
-
- /* Fill in PBL info: */
- if (fwr->page_list_len >
- pnesfrpl->ibfrpl.max_page_list_len) {
- nes_debug(NES_DBG_IW_TX, "Invalid page list length,"
- " ib_wr=%p, value=%u, max=%u\n",
- ib_wr, fwr->page_list_len,
- pnesfrpl->ibfrpl.max_page_list_len);
- err = -EINVAL;
- break;
- }
-
- set_wqe_64bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_PBL_ADDR_LOW_IDX,
- pnesfrpl->nes_wqe_pbl.paddr);
-
- set_wqe_32bit_value(wqe->wqe_words,
- NES_IWARP_SQ_FMR_WQE_PBL_LENGTH_IDX,
- fwr->page_list_len * 8);
-
- for (i = 0; i < fwr->page_list_len; i++)
- dst_page_list[i] = cpu_to_le64(src_page_list[i]);
-
- nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %llx, "
- "length: %d, rkey: %0x, pgl_paddr: %llx, "
- "page_list_len: %u, wqe_misc: %x\n",
- (unsigned long long) fwr->iova_start,
- fwr->length,
- fwr->rkey,
- (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr,
- fwr->page_list_len,
- wqe_misc);
- break;
- }
case IB_WR_REG_MR:
{
struct nes_mr *mr = to_nesmr(reg_wr(ib_wr)->mr);
@@ -3866,7 +3708,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
entry->opcode = IB_WC_LOCAL_INV;
break;
case NES_IWARP_SQ_OP_FAST_REG:
- entry->opcode = IB_WC_FAST_REG_MR;
+ entry->opcode = IB_WC_REG_MR;
break;
}
@@ -4055,8 +3897,6 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
nesibdev->ibdev.alloc_mr = nes_alloc_mr;
nesibdev->ibdev.map_mr_sg = nes_map_mr_sg;
- nesibdev->ibdev.alloc_fast_reg_page_list = nes_alloc_fast_reg_page_list;
- nesibdev->ibdev.free_fast_reg_page_list = nes_free_fast_reg_page_list;
nesibdev->ibdev.attach_mcast = nes_multicast_attach;
nesibdev->ibdev.detach_mcast = nes_multicast_detach;