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| author |   Jason Gunthorpe <jgg@mellanox.com> | 2018-11-25 20:51:20 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-11-26 16:48:07 -0700 |
| commit | 07f05f40d956d40f32852a7b3ff109a72d254cf9 (patch) | |
| tree | b92baff7535b981cb6590e49a070f5935b30d5cc | |
| parent | RDMA/uverbs: Use uverbs_attr_bundle to pass udata for write (diff) | |
| download | linux-dev-07f05f40d956d40f32852a7b3ff109a72d254cf9.tar.xz linux-dev-07f05f40d956d40f32852a7b3ff109a72d254cf9.zip | |
RDMA/uverbs: Use uverbs_attr_bundle to pass udata for ioctl()
Have the core code initialize the driver_udata if the method has a udata
description. This is done using the same create_udata the handler was
supposed to call.
This makes ioctl consistent with the write and write_ex paths.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
| -rw-r--r-- | drivers/infiniband/core/rdma_core.h | 1 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_ioctl.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_cq.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_uapi.c | 3 | ||||
| -rw-r--r-- | include/rdma/uverbs_ioctl.h | 8 |
5 files changed, 15 insertions, 7 deletions
diff --git a/drivers/infiniband/core/rdma_core.h b/drivers/infiniband/core/rdma_core.h index b11396536d8e..b1bf1579fc26 100644 --- a/drivers/infiniband/core/rdma_core.h +++ b/drivers/infiniband/core/rdma_core.h @@ -131,6 +131,7 @@ struct uverbs_api_ioctl_method { u8 use_stack:1; u8 driver_method:1; u8 disabled:1; + u8 has_udata:1; u8 key_bitmap_len; u8 destroy_bkey; }; diff --git a/drivers/infiniband/core/uverbs_ioctl.c b/drivers/infiniband/core/uverbs_ioctl.c index 5c04149ce775..e643a43dce8d 100644 --- a/drivers/infiniband/core/uverbs_ioctl.c +++ b/drivers/infiniband/core/uverbs_ioctl.c @@ -435,6 +435,9 @@ static int ib_uverbs_run_method(struct bundle_priv *pbundle, pbundle->method_elm->key_bitmap_len))) return -EINVAL; + if (pbundle->method_elm->has_udata) + create_udata(&pbundle->bundle, &pbundle->bundle.driver_udata); + if (destroy_bkey != UVERBS_API_ATTR_BKEY_LEN) { struct uverbs_obj_attr *destroy_attr = &pbundle->bundle.attrs[destroy_bkey].obj_attr; diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c index 859d1e862034..859518eab583 100644 --- a/drivers/infiniband/core/uverbs_std_types_cq.c +++ b/drivers/infiniband/core/uverbs_std_types_cq.c @@ -64,7 +64,6 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)( uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_CQ_HANDLE), typeof(*obj), uobject); struct ib_device *ib_dev = obj->uobject.context->device; - struct ib_udata uhw; int ret; u64 user_handle; struct ib_cq_init_attr attr = {}; @@ -111,10 +110,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)( INIT_LIST_HEAD(&obj->comp_list); INIT_LIST_HEAD(&obj->async_list); - /* Temporary, only until drivers get the new uverbs_attr_bundle */ - create_udata(attrs, &uhw); - - cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context, &uhw); + cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context, + &attrs->driver_udata); if (IS_ERR(cq)) { ret = PTR_ERR(cq); goto err_event_file; diff --git a/drivers/infiniband/core/uverbs_uapi.c b/drivers/infiniband/core/uverbs_uapi.c index e16137cc5b28..b3d5f36b0462 100644 --- a/drivers/infiniband/core/uverbs_uapi.c +++ b/drivers/infiniband/core/uverbs_uapi.c @@ -381,6 +381,9 @@ uapi_finalize_ioctl_method(struct uverbs_api *uapi, if (elm->spec.mandatory) __set_bit(attr_bkey, method_elm->attr_mandatory); + if (elm->spec.is_udata) + method_elm->has_udata = true; + if (type == UVERBS_ATTR_TYPE_IDR || type == UVERBS_ATTR_TYPE_FD) { u8 access = elm->spec.u.obj.access; diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h index 5fa8d63aa838..8fc87079c2b8 100644 --- a/include/rdma/uverbs_ioctl.h +++ b/include/rdma/uverbs_ioctl.h @@ -79,6 +79,8 @@ struct uverbs_attr_spec { */ u8 alloc_and_copy:1; u8 mandatory:1; + /* True if this is from UVERBS_ATTR_UHW */ + u8 is_udata:1; union { struct { @@ -598,10 +600,12 @@ struct uapi_definition { #define UVERBS_ATTR_UHW() \ UVERBS_ATTR_PTR_IN(UVERBS_ATTR_UHW_IN, \ UVERBS_ATTR_MIN_SIZE(0), \ - UA_OPTIONAL), \ + UA_OPTIONAL, \ + .is_udata = 1), \ UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_UHW_OUT, \ UVERBS_ATTR_MIN_SIZE(0), \ - UA_OPTIONAL) + UA_OPTIONAL, \ + .is_udata = 1) /* ================================================= * Parsing infrastructure |