diff options
Diffstat (limited to 'io_uring/zcrx.h')
| -rw-r--r-- | io_uring/zcrx.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/io_uring/zcrx.h b/io_uring/zcrx.h index a48871b5adad..32ab95b2cb81 100644 --- a/io_uring/zcrx.h +++ b/io_uring/zcrx.h @@ -39,9 +39,10 @@ struct io_zcrx_area { }; struct io_zcrx_ifq { - struct io_ring_ctx *ctx; struct io_zcrx_area *area; unsigned niov_shift; + struct user_struct *user; + struct mm_struct *mm_account; spinlock_t rq_lock ____cacheline_aligned_in_smp; struct io_uring *rq_ring; @@ -53,6 +54,9 @@ struct io_zcrx_ifq { struct device *dev; struct net_device *netdev; netdevice_tracker netdev_tracker; + refcount_t refs; + /* counts userspace facing users like io_uring */ + refcount_t user_refs; /* * Page pool and net configuration lock, can be taken deeper in the @@ -63,10 +67,10 @@ struct io_zcrx_ifq { }; #if defined(CONFIG_IO_URING_ZCRX) +int io_zcrx_ctrl(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_arg); int io_register_zcrx_ifq(struct io_ring_ctx *ctx, struct io_uring_zcrx_ifq_reg __user *arg); void io_unregister_zcrx_ifqs(struct io_ring_ctx *ctx); -void io_shutdown_zcrx_ifqs(struct io_ring_ctx *ctx); int io_zcrx_recv(struct io_kiocb *req, struct io_zcrx_ifq *ifq, struct socket *sock, unsigned int flags, unsigned issue_flags, unsigned int *len); @@ -81,9 +85,6 @@ static inline int io_register_zcrx_ifq(struct io_ring_ctx *ctx, static inline void io_unregister_zcrx_ifqs(struct io_ring_ctx *ctx) { } -static inline void io_shutdown_zcrx_ifqs(struct io_ring_ctx *ctx) -{ -} static inline int io_zcrx_recv(struct io_kiocb *req, struct io_zcrx_ifq *ifq, struct socket *sock, unsigned int flags, unsigned issue_flags, unsigned int *len) @@ -95,6 +96,11 @@ static inline struct io_mapped_region *io_zcrx_get_region(struct io_ring_ctx *ct { return NULL; } +static inline int io_zcrx_ctrl(struct io_ring_ctx *ctx, + void __user *arg, unsigned nr_arg) +{ + return -EOPNOTSUPP; +} #endif int io_recvzc(struct io_kiocb *req, unsigned int issue_flags); |