92 static int qib_get_base_info(struct file *fp, void __user *ubase,  in qib_get_base_info()  argument
95 	struct qib_ctxtdata *rcd = ctxt_fp(fp);  in qib_get_base_info()
111 		master = !subctxt_fp(fp);  in qib_get_base_info()
200 		unsigned slave = subctxt_fp(fp) - 1;  in qib_get_base_info()
209 			cvt_kvaddr(&rcd->user_event_mask[subctxt_fp(fp)]);  in qib_get_base_info()
237 	kinfo->spi_subctxt = subctxt_fp(fp);  in qib_get_base_info()
278 static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp,  in qib_tid_update()  argument
290 	unsigned subctxt = subctxt_fp(fp);  in qib_tid_update()
312 		tid = tidcursor_fp(fp);  in qib_tid_update()
317 		tid = tidcursor_fp(fp);  in qib_tid_update()
449 			tidcursor_fp(fp) = tid;  in qib_tid_update()
991 static int qib_mmapf(struct file *fp, struct vm_area_struct *vma)  in qib_mmapf()  argument
999 	rcd = ctxt_fp(fp);  in qib_mmapf()
1031 	ret = mmap_kvaddr(vma, pgaddr, rcd, subctxt_fp(fp));  in qib_mmapf()
1043 	} else if (!subctxt_fp(fp)) {  in qib_mmapf()
1050 		unsigned slave = subctxt_fp(fp) - 1;  in qib_mmapf()
1098 				    struct file *fp,  in qib_poll_urgent()  argument
1104 	poll_wait(fp, &rcd->wait, pt);  in qib_poll_urgent()
1120 				  struct file *fp,  in qib_poll_next()  argument
1126 	poll_wait(fp, &rcd->wait, pt);  in qib_poll_next()
1140 static unsigned int qib_poll(struct file *fp, struct poll_table_struct *pt)  in qib_poll()  argument
1145 	rcd = ctxt_fp(fp);  in qib_poll()
1149 		pollflag = qib_poll_urgent(rcd, fp, pt);  in qib_poll()
1151 		pollflag = qib_poll_next(rcd, fp, pt);  in qib_poll()
1260 		      struct file *fp, const struct qib_user_info *uinfo)  in setup_ctxt()  argument
1292 	ctxt_fp(fp) = rcd;  in setup_ctxt()
1318 static int choose_port_ctxt(struct file *fp, struct qib_devdata *dd, u32 port,  in choose_port_ctxt()  argument
1349 	ret = ppd ? setup_ctxt(ppd, ctxt, fp, uinfo) : -ENETDOWN;  in choose_port_ctxt()
1354 static int find_free_ctxt(int unit, struct file *fp,  in find_free_ctxt()  argument
1363 		ret = choose_port_ctxt(fp, dd, uinfo->spu_port, uinfo);  in find_free_ctxt()
1368 static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,  in get_a_ctxt()  argument
1414 			ret = choose_port_ctxt(fp, udd, port, uinfo);  in get_a_ctxt()
1421 				ret = choose_port_ctxt(fp, dd, port, uinfo);  in get_a_ctxt()
1435 static int find_shared_ctxt(struct file *fp,  in find_shared_ctxt()  argument
1465 			ctxt_fp(fp) = rcd;  in find_shared_ctxt()
1466 			subctxt_fp(fp) = rcd->cnt++;  in find_shared_ctxt()
1467 			rcd->subpid[subctxt_fp(fp)] = current->pid;  in find_shared_ctxt()
1468 			tidcursor_fp(fp) = 0;  in find_shared_ctxt()
1469 			rcd->active_slaves |= 1 << subctxt_fp(fp);  in find_shared_ctxt()
1479 static int qib_open(struct inode *in, struct file *fp)  in qib_open()  argument
1482 	fp->private_data = kzalloc(sizeof(struct qib_filedata), GFP_KERNEL);  in qib_open()
1483 	if (fp->private_data) /* no cpu affinity by default */  in qib_open()
1484 		((struct qib_filedata *)fp->private_data)->rec_cpu_num = -1;  in qib_open()
1485 	return fp->private_data ? 0 : -ENOMEM;  in qib_open()
1491 static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)  in qib_assign_ctxt()  argument
1498 	if (ctxt_fp(fp)) {  in qib_assign_ctxt()
1519 		ret = find_shared_ctxt(fp, uinfo);  in qib_assign_ctxt()
1527 	i_minor = iminor(file_inode(fp)) - QIB_USER_MINOR_BASE;  in qib_assign_ctxt()
1529 		ret = find_free_ctxt(i_minor - 1, fp, uinfo);  in qib_assign_ctxt()
1531 		ret = get_a_ctxt(fp, uinfo, alg);  in qib_assign_ctxt()
1535 		struct qib_filedata *fd = fp->private_data;  in qib_assign_ctxt()
1582 static int qib_do_user_init(struct file *fp,  in qib_do_user_init()  argument
1586 	struct qib_ctxtdata *rcd = ctxt_fp(fp);  in qib_do_user_init()
1591 	if (subctxt_fp(fp)) {  in qib_do_user_init()
1723 static int qib_close(struct inode *in, struct file *fp)  in qib_close()  argument
1735 	fd = fp->private_data;  in qib_close()
1736 	fp->private_data = NULL;  in qib_close()
1814 static int qib_ctxt_info(struct file *fp, struct qib_ctxt_info __user *uinfo)  in qib_ctxt_info()  argument
1819 	struct qib_ctxtdata *rcd = ctxt_fp(fp);  in qib_ctxt_info()
1822 	fd = fp->private_data;  in qib_ctxt_info()
1828 	info.subctxt =  subctxt_fp(fp);  in qib_ctxt_info()
1969 static ssize_t qib_write(struct file *fp, const char __user *data,  in qib_write()  argument
2081 	rcd = ctxt_fp(fp);  in qib_write()
2089 		ret = qib_assign_ctxt(fp, &cmd.cmd.user_info);  in qib_write()
2095 		ret = qib_do_user_init(fp, &cmd.cmd.user_info);  in qib_write()
2098 		ret = qib_get_base_info(fp, (void __user *) (unsigned long)  in qib_write()
2104 		ret = qib_manage_rcvq(rcd, subctxt_fp(fp), cmd.cmd.recv_ctrl);  in qib_write()
2108 		ret = qib_ctxt_info(fp, (struct qib_ctxt_info __user *)  in qib_write()
2113 		ret = qib_tid_update(rcd, fp, &cmd.cmd.tid_info);  in qib_write()
2117 		ret = qib_tid_free(rcd, subctxt_fp(fp), &cmd.cmd.tid_info);  in qib_write()
2142 		ret = qib_sdma_get_inflight(user_sdma_queue_fp(fp),  in qib_write()
2149 					    user_sdma_queue_fp(fp),  in qib_write()
2155 		ret = qib_user_event_ack(rcd, subctxt_fp(fp),  in qib_write()
2170 	struct qib_filedata *fp = iocb->ki_filp->private_data;  in qib_aio_write()  local
2172 	struct qib_user_sdma_queue *pq = fp->pq;  in qib_aio_write()