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author | Shamir Rabinovitch <shamir.rabinovitch@oracle.com> | 2019-03-31 19:10:04 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-04-01 14:55:36 -0300 |
commit | a6a3797df2741aa81f33fe48f609247dba98f3f7 (patch) | |
tree | 6f68ef594dec90b76928c7be5e1c60bed326c738 /drivers/infiniband/core/rdma_core.c | |
parent | IB: ucontext should be set properly for all cmd & ioctl paths (diff) | |
download | wireguard-linux-a6a3797df2741aa81f33fe48f609247dba98f3f7.tar.xz wireguard-linux-a6a3797df2741aa81f33fe48f609247dba98f3f7.zip |
IB: Pass uverbs_attr_bundle down uobject destroy path
Pass uverbs_attr_bundle down the uobject destroy path. The next patch will
use this to eliminate the dependecy of the drivers in ib_x->uobject
pointers.
Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/rdma_core.c')
-rw-r--r-- | drivers/infiniband/core/rdma_core.c | 48 |
1 files changed, 30 insertions, 18 deletions
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c index 0d18fb0e975d..d0a6755c0562 100644 --- a/drivers/infiniband/core/rdma_core.c +++ b/drivers/infiniband/core/rdma_core.c @@ -125,7 +125,8 @@ static void assert_uverbs_usecnt(struct ib_uobject *uobj, * and consumes the kref on the uobj. */ static int uverbs_destroy_uobject(struct ib_uobject *uobj, - enum rdma_remove_reason reason) + enum rdma_remove_reason reason, + struct uverbs_attr_bundle *attrs) { struct ib_uverbs_file *ufile = uobj->ufile; unsigned long flags; @@ -135,7 +136,8 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj, assert_uverbs_usecnt(uobj, UVERBS_LOOKUP_WRITE); if (uobj->object) { - ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason); + ret = uobj->uapi_object->type_class->destroy_hw(uobj, reason, + attrs); if (ret) { if (ib_is_destroy_retryable(ret, reason, uobj)) return ret; @@ -196,7 +198,7 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj, * version requires the caller to have already obtained an * LOOKUP_DESTROY uobject kref. */ -int uobj_destroy(struct ib_uobject *uobj) +int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs) { struct ib_uverbs_file *ufile = uobj->ufile; int ret; @@ -207,7 +209,7 @@ int uobj_destroy(struct ib_uobject *uobj) if (ret) goto out_unlock; - ret = uverbs_destroy_uobject(uobj, RDMA_REMOVE_DESTROY); + ret = uverbs_destroy_uobject(uobj, RDMA_REMOVE_DESTROY, attrs); if (ret) { atomic_set(&uobj->usecnt, 0); goto out_unlock; @@ -234,7 +236,7 @@ struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj, if (IS_ERR(uobj)) return uobj; - ret = uobj_destroy(uobj); + ret = uobj_destroy(uobj, attrs); if (ret) { rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_DESTROY); return ERR_PTR(ret); @@ -533,12 +535,13 @@ static void alloc_abort_idr_uobject(struct ib_uobject *uobj) } static int __must_check destroy_hw_idr_uobject(struct ib_uobject *uobj, - enum rdma_remove_reason why) + enum rdma_remove_reason why, + struct uverbs_attr_bundle *attrs) { const struct uverbs_obj_idr_type *idr_type = container_of(uobj->uapi_object->type_attrs, struct uverbs_obj_idr_type, type); - int ret = idr_type->destroy_object(uobj, why); + int ret = idr_type->destroy_object(uobj, why, attrs); /* * We can only fail gracefully if the user requested to destroy the @@ -572,7 +575,8 @@ static void alloc_abort_fd_uobject(struct ib_uobject *uobj) } static int __must_check destroy_hw_fd_uobject(struct ib_uobject *uobj, - enum rdma_remove_reason why) + enum rdma_remove_reason why, + struct uverbs_attr_bundle *attrs) { const struct uverbs_obj_fd_type *fd_type = container_of( uobj->uapi_object->type_attrs, struct uverbs_obj_fd_type, type); @@ -648,7 +652,8 @@ static int alloc_commit_fd_uobject(struct ib_uobject *uobj) * caller can no longer assume uobj is valid. If this function fails it * destroys the uboject, including the attached HW object. */ -int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj) +int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj, + struct uverbs_attr_bundle *attrs) { struct ib_uverbs_file *ufile = uobj->ufile; int ret; @@ -656,7 +661,7 @@ int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj) /* alloc_commit consumes the uobj kref */ ret = uobj->uapi_object->type_class->alloc_commit(uobj); if (ret) { - uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT); + uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT, attrs); up_read(&ufile->hw_destroy_rwsem); return ret; } @@ -680,12 +685,13 @@ int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj) * This consumes the kref for uobj. It is up to the caller to unwind the HW * object and anything else connected to uobj before calling this. */ -void rdma_alloc_abort_uobject(struct ib_uobject *uobj) +void rdma_alloc_abort_uobject(struct ib_uobject *uobj, + struct uverbs_attr_bundle *attrs) { struct ib_uverbs_file *ufile = uobj->ufile; uobj->object = NULL; - uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT); + uverbs_destroy_uobject(uobj, RDMA_REMOVE_ABORT, attrs); /* Matches the down_read in rdma_alloc_begin_uobject */ up_read(&ufile->hw_destroy_rwsem); @@ -787,6 +793,10 @@ void uverbs_close_fd(struct file *f) { struct ib_uobject *uobj = f->private_data; struct ib_uverbs_file *ufile = uobj->ufile; + struct uverbs_attr_bundle attrs = { + .context = uobj->context, + .ufile = ufile, + }; if (down_read_trylock(&ufile->hw_destroy_rwsem)) { /* @@ -796,7 +806,7 @@ void uverbs_close_fd(struct file *f) * write lock here, or we have a kernel bug. */ WARN_ON(uverbs_try_lock_object(uobj, UVERBS_LOOKUP_WRITE)); - uverbs_destroy_uobject(uobj, RDMA_REMOVE_CLOSE); + uverbs_destroy_uobject(uobj, RDMA_REMOVE_CLOSE, &attrs); up_read(&ufile->hw_destroy_rwsem); } @@ -845,6 +855,7 @@ static int __uverbs_cleanup_ufile(struct ib_uverbs_file *ufile, { struct ib_uobject *obj, *next_obj; int ret = -EINVAL; + struct uverbs_attr_bundle attrs = { .ufile = ufile }; /* * This shouldn't run while executing other commands on this @@ -856,12 +867,13 @@ static int __uverbs_cleanup_ufile(struct ib_uverbs_file *ufile, * other threads (which might still use the FDs) chance to run. */ list_for_each_entry_safe(obj, next_obj, &ufile->uobjects, list) { + attrs.context = obj->context; /* * if we hit this WARN_ON, that means we are * racing with a lookup_get. */ WARN_ON(uverbs_try_lock_object(obj, UVERBS_LOOKUP_WRITE)); - if (!uverbs_destroy_uobject(obj, reason)) + if (!uverbs_destroy_uobject(obj, reason, &attrs)) ret = 0; else atomic_set(&obj->usecnt, 0); @@ -966,8 +978,8 @@ uverbs_get_uobject_from_file(u16 object_id, enum uverbs_obj_access access, } int uverbs_finalize_object(struct ib_uobject *uobj, - enum uverbs_obj_access access, - bool commit) + enum uverbs_obj_access access, bool commit, + struct uverbs_attr_bundle *attrs) { int ret = 0; @@ -990,9 +1002,9 @@ int uverbs_finalize_object(struct ib_uobject *uobj, break; case UVERBS_ACCESS_NEW: if (commit) - ret = rdma_alloc_commit_uobject(uobj); + ret = rdma_alloc_commit_uobject(uobj, attrs); else - rdma_alloc_abort_uobject(uobj); + rdma_alloc_abort_uobject(uobj, attrs); break; default: WARN_ON(true); |