diff options
Diffstat (limited to 'drivers/misc/mic/scif/scif_epd.h')
| -rw-r--r-- | drivers/misc/mic/scif/scif_epd.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/misc/mic/scif/scif_epd.h b/drivers/misc/mic/scif/scif_epd.h index 331322a25213..4dc4ccdbc236 100644 --- a/drivers/misc/mic/scif/scif_epd.h +++ b/drivers/misc/mic/scif/scif_epd.h @@ -96,7 +96,9 @@ struct scif_endpt_qp_info { * @conn_port: Connection port * @conn_err: Errors during connection * @conn_async_state: Async connection + * @conn_pend_wq: Used by poll while waiting for incoming connections * @conn_list: List of async connection requests + * @anon: anonymous file for use in kernel mode scif poll */ struct scif_endpt { enum scif_epd_state state; @@ -125,7 +127,9 @@ struct scif_endpt { struct scif_port_id conn_port; int conn_err; int conn_async_state; + wait_queue_head_t conn_pend_wq; struct list_head conn_list; + struct file *anon; }; static inline int scifdev_alive(struct scif_endpt *ep) @@ -133,6 +137,22 @@ static inline int scifdev_alive(struct scif_endpt *ep) return _scifdev_alive(ep->remote_dev); } +static inline int scif_anon_inode_getfile(scif_epd_t epd) +{ + epd->anon = anon_inode_getfile("scif", &scif_anon_fops, NULL, 0); + if (IS_ERR(epd->anon)) + return PTR_ERR(epd->anon); + return 0; +} + +static inline void scif_anon_inode_fput(scif_epd_t epd) +{ + if (epd->anon) { + fput(epd->anon); + epd->anon = NULL; + } +} + void scif_cleanup_zombie_epd(void); void scif_teardown_ep(void *endpt); void scif_cleanup_ep_qp(struct scif_endpt *ep); @@ -157,4 +177,6 @@ void scif_clientsend(struct scif_dev *scifdev, struct scifmsg *msg); void scif_clientrcvd(struct scif_dev *scifdev, struct scifmsg *msg); int __scif_connect(scif_epd_t epd, struct scif_port_id *dst, bool non_block); int __scif_flush(scif_epd_t epd); +unsigned int __scif_pollfd(struct file *f, poll_table *wait, + struct scif_endpt *ep); #endif /* SCIF_EPD_H */ |