diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types_device.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_device.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_device.c b/drivers/infiniband/core/uverbs_std_types_device.c index ae4a59d6f9b1..75df2094a010 100644 --- a/drivers/infiniband/core/uverbs_std_types_device.c +++ b/drivers/infiniband/core/uverbs_std_types_device.c @@ -38,7 +38,12 @@ static int UVERBS_HANDLER(UVERBS_METHOD_INVOKE_WRITE)( attrs->ucore.outlen < method_elm->resp_size) return -ENOSPC; - return method_elm->handler(attrs); + attrs->uobject = NULL; + rc = method_elm->handler(attrs); + if (attrs->uobject) + uverbs_finalize_object(attrs->uobject, UVERBS_ACCESS_NEW, true, + !rc, attrs); + return rc; } DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_INVOKE_WRITE, @@ -229,6 +234,37 @@ static int UVERBS_HANDLER(UVERBS_METHOD_GET_CONTEXT)( return 0; } +static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_CONTEXT)( + struct uverbs_attr_bundle *attrs) +{ + u64 core_support = IB_UVERBS_CORE_SUPPORT_OPTIONAL_MR_ACCESS; + struct ib_ucontext *ucontext; + struct ib_device *ib_dev; + u32 num_comp; + int ret; + + ucontext = ib_uverbs_get_ucontext(attrs); + if (IS_ERR(ucontext)) + return PTR_ERR(ucontext); + ib_dev = ucontext->device; + + if (!ib_dev->ops.query_ucontext) + return -EOPNOTSUPP; + + num_comp = attrs->ufile->device->num_comp_vectors; + ret = uverbs_copy_to(attrs, UVERBS_ATTR_QUERY_CONTEXT_NUM_COMP_VECTORS, + &num_comp, sizeof(num_comp)); + if (IS_UVERBS_COPY_ERR(ret)) + return ret; + + ret = uverbs_copy_to(attrs, UVERBS_ATTR_QUERY_CONTEXT_CORE_SUPPORT, + &core_support, sizeof(core_support)); + if (IS_UVERBS_COPY_ERR(ret)) + return ret; + + return ucontext->device->ops.query_ucontext(ucontext, attrs); +} + DECLARE_UVERBS_NAMED_METHOD( UVERBS_METHOD_GET_CONTEXT, UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS, @@ -238,6 +274,13 @@ DECLARE_UVERBS_NAMED_METHOD( UVERBS_ATTR_UHW()); DECLARE_UVERBS_NAMED_METHOD( + UVERBS_METHOD_QUERY_CONTEXT, + UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_CONTEXT_NUM_COMP_VECTORS, + UVERBS_ATTR_TYPE(u32), UA_OPTIONAL), + UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_CONTEXT_CORE_SUPPORT, + UVERBS_ATTR_TYPE(u64), UA_OPTIONAL)); + +DECLARE_UVERBS_NAMED_METHOD( UVERBS_METHOD_INFO_HANDLES, /* Also includes any device specific object ids */ UVERBS_ATTR_CONST_IN(UVERBS_ATTR_INFO_OBJECT_ID, @@ -260,7 +303,8 @@ DECLARE_UVERBS_GLOBAL_METHODS(UVERBS_OBJECT_DEVICE, &UVERBS_METHOD(UVERBS_METHOD_GET_CONTEXT), &UVERBS_METHOD(UVERBS_METHOD_INVOKE_WRITE), &UVERBS_METHOD(UVERBS_METHOD_INFO_HANDLES), - &UVERBS_METHOD(UVERBS_METHOD_QUERY_PORT)); + &UVERBS_METHOD(UVERBS_METHOD_QUERY_PORT), + &UVERBS_METHOD(UVERBS_METHOD_QUERY_CONTEXT)); const struct uapi_definition uverbs_def_obj_device[] = { UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_DEVICE), |