Signed-off-by: Sagi Grimberg <sa...@mellanox.com> --- drivers/infiniband/hw/cxgb3/iwch_provider.c | 53 +++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c index b1b7323..d0e9e2d 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_provider.c +++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c @@ -796,6 +796,58 @@ static int iwch_dealloc_mw(struct ib_mw *mw) return 0; } +static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd, + enum ib_mr_type mr_type, + u32 max_entries, + u32 flags) +{ + struct iwch_dev *rhp; + struct iwch_pd *php; + struct iwch_mr *mhp; + u32 mmid; + u32 stag = 0; + int ret = 0; + + if (mr_type != IB_MR_TYPE_FAST_REG || flags) + return ERR_PTR(-EINVAL); + + php = to_iwch_pd(pd); + rhp = php->rhp; + mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); + if (!mhp) + goto err; + + mhp->rhp = rhp; + ret = iwch_alloc_pbl(mhp, max_entries); + if (ret) + goto err1; + mhp->attr.pbl_size = max_entries; + ret = cxio_allocate_stag(&rhp->rdev, &stag, php->pdid, + mhp->attr.pbl_size, mhp->attr.pbl_addr); + if (ret) + goto err2; + mhp->attr.pdid = php->pdid; + mhp->attr.type = TPT_NON_SHARED_MR; + mhp->attr.stag = stag; + mhp->attr.state = 1; + mmid = (stag) >> 8; + mhp->ibmr.rkey = mhp->ibmr.lkey = stag; + if (insert_handle(rhp, &rhp->mmidr, mhp, mmid)) + goto err3; + + PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag); + return &(mhp->ibmr); +err3: + cxio_dereg_mem(&rhp->rdev, stag, mhp->attr.pbl_size, + mhp->attr.pbl_addr); +err2: + iwch_free_pbl(mhp); +err1: + kfree(mhp); +err: + return ERR_PTR(ret); +} + static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth) { struct iwch_dev *rhp; @@ -1439,6 +1491,7 @@ int iwch_register_device(struct iwch_dev *dev) dev->ibdev.alloc_mw = iwch_alloc_mw; dev->ibdev.bind_mw = iwch_bind_mw; dev->ibdev.dealloc_mw = iwch_dealloc_mw; + dev->ibdev.alloc_mr = iwch_alloc_mr; dev->ibdev.alloc_fast_reg_mr = iwch_alloc_fast_reg_mr; dev->ibdev.alloc_fast_reg_page_list = iwch_alloc_fastreg_pbl; dev->ibdev.free_fast_reg_page_list = iwch_free_fastreg_pbl; -- 1.8.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html