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IB/uverbs: Set IOVA on IB MR in uverbs layer 

Set IOVA on IB MR in uverbs layer to let all drivers have it, this
includes both reg/rereg MR flows.
As part of this change cleaned-up this setting from the drivers that
already did it by themselves in their user flows.

Fixes: e6f0330106 ("mlx4_ib: set user mr attributes in struct ib_mr")
Link: https://lore.kernel.org/r/20200630093916.332097-3-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
zero-sugar-mainline-defconfig
Yishai Hadas 2020-06-30 12:39:11 +03:00 committed by Jason Gunthorpe
parent 263427526f
commit 04c0a5fcfc
3 changed files with 4 additions and 2 deletions
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4
drivers/infiniband/core/uverbs_cmd.c
View File

@ -764,6 +764,7 @@ static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs)
mr->uobject = uobj;
atomic_inc(&pd->usecnt);
mr->res.type = RDMA_RESTRACK_MR;
mr->iova = cmd.hca_va;
rdma_restrack_uadd(&mr->res);
uobj->object = mr;
@ -855,6 +856,9 @@ static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs)
atomic_dec(&old_pd->usecnt);
}
if (cmd.flags & IB_MR_REREG_TRANS)
mr->iova = cmd.hca_va;
memset(&resp, 0, sizeof(resp));
resp.lkey = mr->lkey;
resp.rkey = mr->rkey;

1
drivers/infiniband/hw/cxgb4/mem.c
View File

@ -399,7 +399,6 @@ static int finish_mem_reg(struct c4iw_mr *mhp, u32 stag)
mmid = stag >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
mhp->ibmr.length = mhp->attr.len;
mhp->ibmr.iova = mhp->attr.va_fbo;
mhp->ibmr.page_size = 1U << (mhp->attr.page_size + 12);
pr_debug("mmid 0x%x mhp %p\n", mmid, mhp);
return xa_insert_irq(&mhp->rhp->mrs, mmid, mhp, GFP_KERNEL);

1
drivers/infiniband/hw/mlx4/mr.c
View File

@ -439,7 +439,6 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
mr->ibmr.length = length;
mr->ibmr.iova = virt_addr;
mr->ibmr.page_size = 1U << shift;
return &mr->ibmr;