Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
---
drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 4 +++
drivers/infiniband/hw/cxgb4/mem.c | 57 ++++++++++++++++++++++++++++++++++
drivers/infiniband/hw/cxgb4/provider.c | 1 +
3 files changed, 62 insertions(+)
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index cc77844..97b2568 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -970,6 +970,10 @@ void c4iw_free_fastreg_pbl(struct ib_fast_reg_page_list
*page_list);
struct ib_fast_reg_page_list *c4iw_alloc_fastreg_pbl(
struct ib_device *device,
int page_list_len);
+struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags);
struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth);
int c4iw_dealloc_mw(struct ib_mw *mw);
struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
diff --git a/drivers/infiniband/hw/cxgb4/mem.c
b/drivers/infiniband/hw/cxgb4/mem.c
index cff815b..7ee01ce 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -853,6 +853,63 @@ int c4iw_dealloc_mw(struct ib_mw *mw)
return 0;
}
+struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_entries,
+ u32 flags)
+{
+ struct c4iw_dev *rhp;
+ struct c4iw_pd *php;
+ struct c4iw_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_c4iw_pd(pd);
+ rhp = php->rhp;
+ mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
+ if (!mhp) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ mhp->rhp = rhp;
+ ret = alloc_pbl(mhp, max_entries);
+ if (ret)
+ goto err1;
+ mhp->attr.pbl_size = max_entries;
+ ret = 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 = FW_RI_STAG_NSMR;
+ 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)) {
+ ret = -ENOMEM;
+ goto err3;
+ }
+
+ PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
+ return &(mhp->ibmr);
+err3:
+ dereg_mem(&rhp->rdev, stag, mhp->attr.pbl_size,
+ mhp->attr.pbl_addr);
+err2:
+ c4iw_pblpool_free(&mhp->rhp->rdev, mhp->attr.pbl_addr,
+ mhp->attr.pbl_size << 3);
+err1:
+ kfree(mhp);
+err:
+ return ERR_PTR(ret);
+}
+
struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
{
struct c4iw_dev *rhp;
diff --git a/drivers/infiniband/hw/cxgb4/provider.c
b/drivers/infiniband/hw/cxgb4/provider.c
index 6eee3d3..2885aba 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -556,6 +556,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
dev->ibdev.alloc_mw = c4iw_alloc_mw;
dev->ibdev.bind_mw = c4iw_bind_mw;
dev->ibdev.dealloc_mw = c4iw_dealloc_mw;
+ dev->ibdev.alloc_mr = c4iw_alloc_mr;
dev->ibdev.alloc_fast_reg_mr = c4iw_alloc_fast_reg_mr;
dev->ibdev.alloc_fast_reg_page_list = c4iw_alloc_fastreg_pbl;
dev->ibdev.free_fast_reg_page_list = c4iw_free_fastreg_pbl;
--
1.8.4.3
--
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