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iw_cxgb4: Support ib_alloc_mr verb 

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Sagi Grimberg 2015-07-30 10:32:44 +03:00 committed by Doug Ledford
parent cacb7d59be
commit a21640347a
3 changed files with 13 additions and 5 deletions
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4
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View File

@ -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,

12
drivers/infiniband/hw/cxgb4/mem.c
View File

@ -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)

2
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -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;