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RDMA/core: Make invalidate_range a device operation 

The callback function 'invalidate_range' is implemented in a driver so the
place for it is in the ib_device_ops structure and not in ib_ucontext.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Guy Levi <guyle@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Link: https://lore.kernel.org/r/20190819111710.18440-11-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Moni Shoua 2019-08-19 14:17:08 +03:00 committed by Jason Gunthorpe
parent 37824952dc
commit ce51346fee
6 changed files with 9 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/core/device.c
View File

@ -2562,6 +2562,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, get_vf_config);
SET_DEVICE_OP(dev_ops, get_vf_stats);
SET_DEVICE_OP(dev_ops, init_port);
SET_DEVICE_OP(dev_ops, invalidate_range);
SET_DEVICE_OP(dev_ops, iw_accept);
SET_DEVICE_OP(dev_ops, iw_add_ref);
SET_DEVICE_OP(dev_ops, iw_connect);

10
drivers/infiniband/core/umem_odp.c
View File

@ -96,7 +96,7 @@ static void ib_umem_notifier_release(struct mmu_notifier *mn,
*/
ib_umem_notifier_start_account(umem_odp);
complete_all(&umem_odp->notifier_completion);
umem_odp->umem.context->invalidate_range(
umem_odp->umem.context->device->ops.invalidate_range(
umem_odp, ib_umem_start(umem_odp),
ib_umem_end(umem_odp));
}
@ -109,7 +109,7 @@ static int invalidate_range_start_trampoline(struct ib_umem_odp *item,
u64 start, u64 end, void *cookie)
{
ib_umem_notifier_start_account(item);
item->umem.context->invalidate_range(item, start, end);
item->umem.context->device->ops.invalidate_range(item, start, end);
return 0;
}
@ -385,7 +385,7 @@ struct ib_umem_odp *ib_umem_odp_alloc_implicit(struct ib_udata *udata,
if (!context)
return ERR_PTR(-EIO);
if (WARN_ON_ONCE(!context->invalidate_range))
if (WARN_ON_ONCE(!context->device->ops.invalidate_range))
return ERR_PTR(-EINVAL);
umem_odp = kzalloc(sizeof(*umem_odp), GFP_KERNEL);
@ -479,7 +479,7 @@ struct ib_umem_odp *ib_umem_odp_get(struct ib_udata *udata, unsigned long addr,
return ERR_PTR(-EIO);
if (WARN_ON_ONCE(!(access & IB_ACCESS_ON_DEMAND)) ||
WARN_ON_ONCE(!context->invalidate_range))
WARN_ON_ONCE(!context->device->ops.invalidate_range))
return ERR_PTR(-EINVAL);
umem_odp = kzalloc(sizeof(struct ib_umem_odp), GFP_KERNEL);
@ -607,7 +607,7 @@ static int ib_umem_odp_map_dma_single_page(
if (remove_existing_mapping) {
ib_umem_notifier_start_account(umem_odp);
context->invalidate_range(
dev->ops.invalidate_range(
umem_odp,
ib_umem_start(umem_odp) +
(page_index << umem_odp->page_shift),

2
drivers/infiniband/core/uverbs_cmd.c
View File

@ -275,8 +275,6 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs)
ret = ib_dev->ops.alloc_ucontext(ucontext, &attrs->driver_udata);
if (ret)
goto err_file;
if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING))
ucontext->invalidate_range = NULL;
rdma_restrack_uadd(&ucontext->res);

4
drivers/infiniband/hw/mlx5/main.c
View File

@ -1867,10 +1867,6 @@ static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx,
if (err)
goto out_sys_pages;
if (ibdev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING)
context->ibucontext.invalidate_range =
&mlx5_ib_invalidate_range;
if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) {
err = mlx5_ib_devx_create(dev, true);
if (err < 0)

1
drivers/infiniband/hw/mlx5/odp.c
View File

@ -1612,6 +1612,7 @@ void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent)
static const struct ib_device_ops mlx5_ib_dev_odp_ops = {
.advise_mr = mlx5_ib_advise_mr,
.invalidate_range = mlx5_ib_invalidate_range,
};
int mlx5_ib_odp_init_one(struct mlx5_ib_dev *dev)

4
include/rdma/ib_verbs.h
View File

@ -1417,8 +1417,6 @@ struct ib_ucontext {
bool cleanup_retryable;
void (*invalidate_range)(struct ib_umem_odp *umem_odp,
unsigned long start, unsigned long end);
struct mutex per_mm_list_lock;
struct list_head per_mm_list;
@ -2378,6 +2376,8 @@ struct ib_device_ops {
u64 iova);
int (*unmap_fmr)(struct list_head *fmr_list);
int (*dealloc_fmr)(struct ib_fmr *fmr);
void (*invalidate_range)(struct ib_umem_odp *umem_odp,
unsigned long start, unsigned long end);
int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
struct ib_xrcd *(*alloc_xrcd)(struct ib_device *device,