diff options
| author | Sagi Grimberg <sagig@mellanox.com> | 2015-07-30 10:32:44 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-08-31 01:08:47 +0300 |
| commit | a21640347a01ba2f96dfc887b8e33cce462780fd (patch) | |
| tree | 51f6e623c12bc8196e97b3cf5c24c7e1ff01817f /drivers | |
| parent | cacb7d59bed3fd9f65d6ba1a4ea948ce8baa9126 (diff) | |
| download | linux-a21640347a01ba2f96dfc887b8e33cce462780fd.tar.xz | |
iw_cxgb4: 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')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/mem.c | 12 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/provider.c | 2 |
3 files changed, 13 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index cc77844fada3..c7bb38c931a5 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -970,7 +970,9 @@ 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_fast_reg_mr(struct ib_pd *pd, int pbl_depth); +struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, + enum ib_mr_type mr_type, + u32 max_num_sg); int c4iw_dealloc_mw(struct ib_mw *mw); struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type); struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index cff815b91707..026b91ebd5e2 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -853,7 +853,9 @@ int c4iw_dealloc_mw(struct ib_mw *mw) return 0; } -struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth) +struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, + enum ib_mr_type mr_type, + u32 max_num_sg) { struct c4iw_dev *rhp; struct c4iw_pd *php; @@ -862,6 +864,10 @@ struct ib_mr *c4iw_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 > t4_max_fr_depth(use_dsgl)) + return ERR_PTR(-EINVAL); + php = to_c4iw_pd(pd); rhp = php->rhp; mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); @@ -871,10 +877,10 @@ struct ib_mr *c4iw_alloc_fast_reg_mr(struct ib_pd *pd, int pbl_depth) } mhp->rhp = rhp; - ret = alloc_pbl(mhp, pbl_depth); + ret = alloc_pbl(mhp, max_num_sg); if (ret) goto err1; - mhp->attr.pbl_size = pbl_depth; + mhp->attr.pbl_size = max_num_sg; ret = allocate_stag(&rhp->rdev, &stag, php->pdid, mhp->attr.pbl_size, mhp->attr.pbl_addr); if (ret) diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c index 6eee3d385541..7746113552e7 100644 --- a/drivers/infiniband/hw/cxgb4/provider.c +++ b/drivers/infiniband/hw/cxgb4/provider.c @@ -556,7 +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_fast_reg_mr = c4iw_alloc_fast_reg_mr; + dev->ibdev.alloc_mr = c4iw_alloc_mr; dev->ibdev.alloc_fast_reg_page_list = c4iw_alloc_fastreg_pbl; dev->ibdev.free_fast_reg_page_list = c4iw_free_fastreg_pbl; dev->ibdev.attach_mcast = c4iw_multicast_attach; |