diff options
Diffstat (limited to 'usr/src/uts/sun4v/io/qcn.c')
| -rw-r--r-- | usr/src/uts/sun4v/io/qcn.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/usr/src/uts/sun4v/io/qcn.c b/usr/src/uts/sun4v/io/qcn.c index e68e1bde53..63b3c0b5fb 100644 --- a/usr/src/uts/sun4v/io/qcn.c +++ b/usr/src/uts/sun4v/io/qcn.c @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -19,8 +18,9 @@ * * CDDL HEADER END */ + /* - * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -87,7 +87,8 @@ static cyc_handler_t qcn_poll_cychandler = { }; static cyclic_id_t qcn_poll_cycid = CYCLIC_NONE; static uint64_t qcn_poll_interval = 5; /* milli sec */ -static uint64_t sb_interval = 0; +static uint64_t sb_interval = 0; +uint_t qcn_force_polling = 0; #endif #define QCN_MI_IDNUM 0xABCE @@ -338,7 +339,8 @@ qcn_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) * the console to work on older firmware releases. */ binding_name = ddi_binding_name(qcn_state->qcn_dip); - if (strcmp(binding_name, "qcn") == 0) + if ((strcmp(binding_name, "qcn") == 0) || + (qcn_force_polling)) qcn_state->qcn_polling = 1; if (qcn_state->qcn_polling) { @@ -802,7 +804,7 @@ qcn_transmit(queue_t *q, mblk_t *mp) buf = (caddr_t)bp->b_rptr; for (i = 0; i < len; i++) { - if (hv_cnputchar(buf[i]) == -1) + if (hv_cnputchar(buf[i]) == H_EWOULDBLOCK) break; } if (i != len) { |