diff options
Diffstat (limited to 'drivers/s390/net/qeth_core.h')
| -rw-r--r-- | drivers/s390/net/qeth_core.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index c1292d3420a2..2fee41f773a1 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -560,6 +560,7 @@ enum qeth_prot_versions { enum qeth_cmd_buffer_state { BUF_STATE_FREE, BUF_STATE_LOCKED, + BUF_STATE_MALLOC, }; enum qeth_cq { @@ -579,6 +580,7 @@ struct qeth_channel; struct qeth_cmd_buffer { enum qeth_cmd_buffer_state state; + unsigned int length; struct qeth_channel *channel; struct qeth_reply *reply; long timeout; @@ -608,6 +610,13 @@ struct qeth_channel { int io_buf_no; }; +static inline struct ccw1 *__ccw_from_cmd(struct qeth_cmd_buffer *iob) +{ + if (iob->state != BUF_STATE_MALLOC) + return iob->channel->ccw; + return (struct ccw1 *)(iob->data + ALIGN(iob->length, 8)); +} + static inline bool qeth_trylock_channel(struct qeth_channel *channel) { return atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0; |