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authorSagi Grimberg <sagig@mellanox.com>2015-07-30 10:32:45 +0300
committerDoug Ledford <dledford@redhat.com>2015-08-30 18:08:47 -0400
commitf683d3bdbb37baa49510e32789164e5d33d76ba1 (patch)
treea2ee72b2f7fbb0335614f5222f08e8c6dd40cac4 /drivers/infiniband/hw/cxgb3
parentiw_cxgb4: Support ib_alloc_mr verb (diff)
downloadlinux-dev-f683d3bdbb37baa49510e32789164e5d33d76ba1.tar.xz
linux-dev-f683d3bdbb37baa49510e32789164e5d33d76ba1.zip
cxgb3: Support ib_alloc_mr verb
Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb3')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index bbbe0184e592..93308c45f298 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -800,7 +800,9 @@ static int iwch_dealloc_mw(struct ib_mw *mw)
return 0;
}
-static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
+static struct ib_mr *iwch_alloc_mr(struct ib_pd *pd,
+ enum ib_mr_type mr_type,
+ u32 max_num_sg)
{
struct iwch_dev *rhp;
struct iwch_pd *php;
@@ -809,6 +811,10 @@ static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
u32 stag = 0;
int ret = 0;
+ if (mr_type != IB_MR_TYPE_MEM_REG ||
+ max_num_sg > T3_MAX_FASTREG_DEPTH)
+ return ERR_PTR(-EINVAL);
+
php = to_iwch_pd(pd);
rhp = php->rhp;
mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
@@ -816,10 +822,10 @@ static struct ib_mr *iwch_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth)
goto err;
mhp->rhp = rhp;
- ret = iwch_alloc_pbl(mhp, pbl_depth);
+ ret = iwch_alloc_pbl(mhp, max_num_sg);
if (ret)
goto err1;
- mhp->attr.pbl_size = pbl_depth;
+ mhp->attr.pbl_size = max_num_sg;
ret = cxio_allocate_stag(&rhp->rdev, &stag, php->pdid,
mhp->attr.pbl_size, mhp->attr.pbl_addr);
if (ret)
@@ -1443,7 +1449,7 @@ 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_fast_reg_mr = iwch_alloc_fast_reg_mr;
+ dev->ibdev.alloc_mr = iwch_alloc_mr;
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;