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Commit a2164034 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Doug Ledford
Browse files

iw_cxgb4: Support ib_alloc_mr verb 



Signed-off-by: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent cacb7d59

drivers/infiniband/hw/cxgb4/iw_cxgb4.h

+3 −1
Original line number Diff line number Diff line
@@ -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,

drivers/infiniband/hw/cxgb4/mem.c

+9 −3
Original line number Diff line number Diff line
@@ -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)

drivers/infiniband/hw/cxgb4/provider.c

+1 −1
Original line number Diff line number Diff line
@@ -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;