282 #define AUDIT_SDEV_LOCK(asdev)          mtx_lock(&(asdev)->asdev_mtx)  argument
283 #define AUDIT_SDEV_LOCK_ASSERT(asdev)   mtx_assert(&(asdev)->asdev_mtx, \  argument
285 #define AUDIT_SDEV_LOCK_DESTROY(asdev)  mtx_destroy(&(asdev)->asdev_mtx)  argument
286 #define AUDIT_SDEV_LOCK_INIT(asdev)     mtx_init(&(asdev)->asdev_mtx, \  argument
288 #define AUDIT_SDEV_UNLOCK(asdev)        mtx_unlock(&(asdev)->asdev_mtx)  argument
289 #define AUDIT_SDEV_MTX(asdev)           (&(asdev)->asdev_mtx)  argument
1520 audit_sdev_append(struct audit_sdev *asdev, void *record, u_int record_len)  in audit_sdev_append()  argument
1524 	AUDIT_SDEV_LOCK_ASSERT(asdev);  in audit_sdev_append()
1526 	if (asdev->asdev_qlen >= asdev->asdev_qlimit) {  in audit_sdev_append()
1527 		asdev->asdev_drops++;  in audit_sdev_append()
1534 		asdev->asdev_drops++;  in audit_sdev_append()
1542 		asdev->asdev_drops++;  in audit_sdev_append()
1550 	TAILQ_INSERT_TAIL(&asdev->asdev_queue, ase, ase_queue);  in audit_sdev_append()
1551 	asdev->asdev_inserts++;  in audit_sdev_append()
1552 	asdev->asdev_qlen++;  in audit_sdev_append()
1553 	asdev->asdev_qbyteslen += ase->ase_record_len;  in audit_sdev_append()
1554 	selwakeup(&asdev->asdev_selinfo);  in audit_sdev_append()
1555 	if (asdev->asdev_flags & AUDIT_SDEV_ASYNC) {  in audit_sdev_append()
1556 		pgsigio(asdev->asdev_sigio, SIGIO);  in audit_sdev_append()
1559 	cv_broadcast(&asdev->asdev_cv);  in audit_sdev_append()
1569 	struct audit_sdev *asdev;  in audit_sdev_submit()  local
1580 	TAILQ_FOREACH(asdev, &audit_sdev_list, asdev_list) {  in audit_sdev_submit()
1581 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_submit()
1589 			    asid == asdev->asdev_asid) ||  in audit_sdev_submit()
1590 		    (asdev->asdev_flags & AUDIT_SDEV_ALLSESSIONS) != 0) {  in audit_sdev_submit()
1591 			audit_sdev_append(asdev, record, record_len);  in audit_sdev_submit()
1593 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_submit()
1608 	struct audit_sdev *asdev;  in audit_sdev_alloc()  local
1612 	asdev = kalloc_type(struct audit_sdev, Z_ZERO | Z_WAITOK | Z_NOFAIL);  in audit_sdev_alloc()
1613 	asdev->asdev_qlimit = AUDIT_SDEV_QLIMIT_DEFAULT;  in audit_sdev_alloc()
1614 	TAILQ_INIT(&asdev->asdev_queue);  in audit_sdev_alloc()
1615 	AUDIT_SDEV_LOCK_INIT(asdev);  in audit_sdev_alloc()
1616 	AUDIT_SDEV_SX_LOCK_INIT(asdev);  in audit_sdev_alloc()
1617 	cv_init(&asdev->asdev_cv, "audit_sdev_cv");  in audit_sdev_alloc()
1622 	TAILQ_INSERT_HEAD(&audit_sdev_list, asdev, asdev_list);  in audit_sdev_alloc()
1626 	return asdev;  in audit_sdev_alloc()
1633 audit_sdev_flush(struct audit_sdev *asdev)  in audit_sdev_flush()  argument
1637 	AUDIT_SDEV_LOCK_ASSERT(asdev);  in audit_sdev_flush()
1639 	while ((ase = TAILQ_FIRST(&asdev->asdev_queue)) != NULL) {  in audit_sdev_flush()
1640 		TAILQ_REMOVE(&asdev->asdev_queue, ase, ase_queue);  in audit_sdev_flush()
1641 		asdev->asdev_qbyteslen -= ase->ase_record_len;  in audit_sdev_flush()
1643 		asdev->asdev_qlen--;  in audit_sdev_flush()
1645 	asdev->asdev_qoffset = 0;  in audit_sdev_flush()
1647 	KASSERT(0 == asdev->asdev_qlen, ("audit_sdev_flush: asdev_qlen"));  in audit_sdev_flush()
1648 	KASSERT(0 == asdev->asdev_qbyteslen,  in audit_sdev_flush()
1656 audit_sdev_free(struct audit_sdev *asdev)  in audit_sdev_free()  argument
1659 	AUDIT_SDEV_LOCK_ASSERT(asdev);  in audit_sdev_free()
1662 	audit_sdev_flush(asdev);  in audit_sdev_free()
1663 	cv_destroy(&asdev->asdev_cv);  in audit_sdev_free()
1664 	AUDIT_SDEV_SX_LOCK_DESTROY(asdev);  in audit_sdev_free()
1665 	AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_free()
1666 	AUDIT_SDEV_LOCK_DESTROY(asdev);  in audit_sdev_free()
1668 	TAILQ_REMOVE(&audit_sdev_list, asdev, asdev_list);  in audit_sdev_free()
1669 	kfree_type(struct audit_sdev, asdev);  in audit_sdev_free()
1700 	struct audit_sdev *asdev;  in audit_sdev_open()  local
1712 	asdev = audit_sdev_dtab[u];  in audit_sdev_open()
1713 	if (NULL == asdev) {  in audit_sdev_open()
1714 		asdev = audit_sdev_alloc();  in audit_sdev_open()
1715 		if (NULL == asdev) {  in audit_sdev_open()
1719 		audit_sdev_dtab[u] = asdev;  in audit_sdev_open()
1721 		KASSERT(asdev->asdev_open, ("audit_sdev_open: Already open"));  in audit_sdev_open()
1725 	asdev->asdev_open = 1;  in audit_sdev_open()
1726 	asdev->asdev_auid = aia.ai_auid;  in audit_sdev_open()
1727 	asdev->asdev_asid = aia.ai_asid;  in audit_sdev_open()
1728 	asdev->asdev_flags = 0;  in audit_sdev_open()
1742 	struct audit_sdev *asdev;  in audit_sdev_close()  local
1746 	asdev = audit_sdev_dtab[u];  in audit_sdev_close()
1748 	KASSERT(asdev != NULL, ("audit_sdev_close: asdev == NULL"));  in audit_sdev_close()
1749 	KASSERT(asdev->asdev_open, ("audit_sdev_close: !asdev_open"));  in audit_sdev_close()
1752 	AUDIT_SDEV_LOCK(asdev);  in audit_sdev_close()
1753 	asdev->asdev_open = 0;  in audit_sdev_close()
1754 	audit_sdev_free(asdev);  /* sdev lock unlocked in audit_sdev_free() */  in audit_sdev_close()
1768 	struct audit_sdev *asdev;  in audit_sdev_ioctl()  local
1771 	asdev = audit_sdev_dtab[minor(dev)];  in audit_sdev_ioctl()
1772 	KASSERT(asdev != NULL, ("audit_sdev_ioctl: asdev == NULL"));  in audit_sdev_ioctl()
1778 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_ioctl()
1780 			asdev->asdev_flags |= AUDIT_SDEV_NBIO;  in audit_sdev_ioctl()
1782 			asdev->asdev_flags &= ~AUDIT_SDEV_NBIO;  in audit_sdev_ioctl()
1784 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_ioctl()
1788 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_ioctl()
1789 		*(int *)data = asdev->asdev_qbyteslen - asdev->asdev_qoffset;  in audit_sdev_ioctl()
1790 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_ioctl()
1794 		*(u_int *)data = asdev->asdev_qlen;  in audit_sdev_ioctl()
1798 		*(u_int *)data = asdev->asdev_qlimit;  in audit_sdev_ioctl()
1804 			asdev->asdev_qlimit = *(u_int *)data;  in audit_sdev_ioctl()
1819 		if (AUDIT_SDEV_SX_XLOCK_SIG(asdev) != 0) {  in audit_sdev_ioctl()
1822 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_ioctl()
1823 		audit_sdev_flush(asdev);  in audit_sdev_ioctl()
1824 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_ioctl()
1825 		AUDIT_SDEV_SX_XUNLOCK(asdev);  in audit_sdev_ioctl()
1834 		*(u_int *)data = asdev->asdev_inserts;  in audit_sdev_ioctl()
1838 		*(u_int *)data = asdev->asdev_reads;  in audit_sdev_ioctl()
1842 		*(u_int *)data = asdev->asdev_drops;  in audit_sdev_ioctl()
1850 		*(u_int *)data = (asdev->asdev_flags & AUDIT_SDEV_ALLSESSIONS) ?  in audit_sdev_ioctl()
1860 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_ioctl()
1862 			asdev->asdev_flags |= AUDIT_SDEV_ALLSESSIONS;  in audit_sdev_ioctl()
1864 			asdev->asdev_flags &= ~AUDIT_SDEV_ALLSESSIONS;  in audit_sdev_ioctl()
1866 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_ioctl()
1883 	struct audit_sdev *asdev;  in audit_sdev_read()  local
1887 	asdev = audit_sdev_dtab[minor(dev)];  in audit_sdev_read()
1888 	KASSERT(NULL != asdev, ("audit_sdev_read: asdev == NULL"));  in audit_sdev_read()
1894 	if (0 != AUDIT_SDEV_SX_XLOCK_SIG(asdev)) {  in audit_sdev_read()
1897 	AUDIT_SDEV_LOCK(asdev);  in audit_sdev_read()
1898 	while (TAILQ_EMPTY(&asdev->asdev_queue)) {  in audit_sdev_read()
1899 		if (asdev->asdev_flags & AUDIT_SDEV_NBIO) {  in audit_sdev_read()
1900 			AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_read()
1901 			AUDIT_SDEV_SX_XUNLOCK(asdev);  in audit_sdev_read()
1904 		error = cv_wait_sig(&asdev->asdev_cv, AUDIT_SDEV_MTX(asdev));  in audit_sdev_read()
1906 			AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_read()
1907 			AUDIT_SDEV_SX_XUNLOCK(asdev);  in audit_sdev_read()
1919 	asdev->asdev_reads++;  in audit_sdev_read()
1920 	while ((ase = TAILQ_FIRST(&asdev->asdev_queue)) != NULL &&  in audit_sdev_read()
1922 		AUDIT_SDEV_LOCK_ASSERT(asdev);  in audit_sdev_read()
1924 		KASSERT(ase->ase_record_len > asdev->asdev_qoffset,  in audit_sdev_read()
1926 		toread = MIN((int)(ase->ase_record_len - asdev->asdev_qoffset),  in audit_sdev_read()
1928 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_read()
1929 		error = uiomove((char *) ase->ase_record + asdev->asdev_qoffset,  in audit_sdev_read()
1932 			AUDIT_SDEV_SX_XUNLOCK(asdev);  in audit_sdev_read()
1940 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_read()
1941 		KASSERT(TAILQ_FIRST(&asdev->asdev_queue) == ase,  in audit_sdev_read()
1943 		asdev->asdev_qoffset += toread;  in audit_sdev_read()
1944 		KASSERT(ase->ase_record_len >= asdev->asdev_qoffset,  in audit_sdev_read()
1946 		if (asdev->asdev_qoffset == ase->ase_record_len) {  in audit_sdev_read()
1947 			TAILQ_REMOVE(&asdev->asdev_queue, ase, ase_queue);  in audit_sdev_read()
1948 			asdev->asdev_qbyteslen -= ase->ase_record_len;  in audit_sdev_read()
1950 			asdev->asdev_qlen--;  in audit_sdev_read()
1951 			asdev->asdev_qoffset = 0;  in audit_sdev_read()
1954 	AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_read()
1955 	AUDIT_SDEV_SX_XUNLOCK(asdev);  in audit_sdev_read()
1965 	struct audit_sdev *asdev;  in audit_sdev_poll()  local
1969 	asdev = audit_sdev_dtab[minor(dev)];  in audit_sdev_poll()
1970 	KASSERT(NULL != asdev, ("audit_sdev_poll: asdev == NULL"));  in audit_sdev_poll()
1973 		AUDIT_SDEV_LOCK(asdev);  in audit_sdev_poll()
1974 		if (NULL != TAILQ_FIRST(&asdev->asdev_queue)) {  in audit_sdev_poll()
1977 			selrecord(p, &asdev->asdev_selinfo, wql);  in audit_sdev_poll()
1979 		AUDIT_SDEV_UNLOCK(asdev);  in audit_sdev_poll()