diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs.h')
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index c0d40fc3a53a..5df8e548cc14 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -111,7 +111,7 @@ struct ib_uverbs_device { struct mutex lists_mutex; /* protect lists */ struct list_head uverbs_file_list; struct list_head uverbs_events_file_list; - struct uverbs_root_spec *specs_root; + struct uverbs_api *uapi; }; struct ib_uverbs_event_queue { @@ -130,21 +130,37 @@ struct ib_uverbs_async_event_file { }; struct ib_uverbs_completion_event_file { - struct ib_uobject_file uobj_file; + struct ib_uobject uobj; struct ib_uverbs_event_queue ev_queue; }; struct ib_uverbs_file { struct kref ref; - struct mutex mutex; - struct mutex cleanup_mutex; /* protect cleanup */ struct ib_uverbs_device *device; + struct mutex ucontext_lock; + /* + * ucontext must be accessed via ib_uverbs_get_ucontext() or with + * ucontext_lock held + */ struct ib_ucontext *ucontext; struct ib_event_handler event_handler; struct ib_uverbs_async_event_file *async_file; struct list_head list; int is_closed; + /* + * To access the uobjects list hw_destroy_rwsem must be held for write + * OR hw_destroy_rwsem held for read AND uobjects_lock held. + * hw_destroy_rwsem should be called across any destruction of the HW + * object of an associated uobject. + */ + struct rw_semaphore hw_destroy_rwsem; + spinlock_t uobjects_lock; + struct list_head uobjects; + + u64 uverbs_cmd_mask; + u64 uverbs_ex_cmd_mask; + struct idr idr; /* spinlock protects write access to idr */ spinlock_t idr_lock; @@ -196,7 +212,6 @@ struct ib_uwq_object { struct ib_ucq_object { struct ib_uobject uobject; - struct ib_uverbs_file *uverbs_file; struct list_head comp_list; struct list_head async_list; u32 comp_events_reported; @@ -230,7 +245,7 @@ void ib_uverbs_wq_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_event_handler(struct ib_event_handler *handler, struct ib_event *event); -int ib_uverbs_dealloc_xrcd(struct ib_uverbs_device *dev, struct ib_xrcd *xrcd, +int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, struct ib_xrcd *xrcd, enum rdma_remove_reason why); int uverbs_dealloc_mw(struct ib_mw *mw); @@ -238,12 +253,7 @@ void ib_uverbs_detach_umcast(struct ib_qp *qp, struct ib_uqp_object *uobj); void create_udata(struct uverbs_attr_bundle *ctx, struct ib_udata *udata); -extern const struct uverbs_attr_def uverbs_uhw_compat_in; -extern const struct uverbs_attr_def uverbs_uhw_compat_out; long ib_uverbs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); -int uverbs_destroy_def_handler(struct ib_device *ib_dev, - struct ib_uverbs_file *file, - struct uverbs_attr_bundle *attrs); struct ib_uverbs_flow_spec { union { @@ -292,7 +302,6 @@ extern const struct uverbs_object_def UVERBS_OBJECT(UVERBS_OBJECT_COUNTERS); #define IB_UVERBS_DECLARE_CMD(name) \ ssize_t ib_uverbs_##name(struct ib_uverbs_file *file, \ - struct ib_device *ib_dev, \ const char __user *buf, int in_len, \ int out_len) @@ -334,7 +343,6 @@ IB_UVERBS_DECLARE_CMD(close_xrcd); #define IB_UVERBS_DECLARE_EX_CMD(name) \ int ib_uverbs_ex_##name(struct ib_uverbs_file *file, \ - struct ib_device *ib_dev, \ struct ib_udata *ucore, \ struct ib_udata *uhw) |