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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-02-28 12:07:55 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-03-07 09:52:24 +0100 |
| commit | aebfa669d9fe77876f120d3d9a28fee240fe5a8e (patch) | |
| tree | b1552eddfd5572fcb1bfc82aaae2e0cd6d7d4ab4 /drivers/s390/cio/chsc.c | |
| parent | s390/scm_blk: suspend writes (diff) | |
| download | linux-dev-aebfa669d9fe77876f120d3d9a28fee240fe5a8e.tar.xz linux-dev-aebfa669d9fe77876f120d3d9a28fee240fe5a8e.zip | |
s390/scm: process availability
Let the bus code process scm availability information and
notify scm device drivers about the new state.
Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.c')
| -rw-r--r-- | drivers/s390/cio/chsc.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 31ceef1beb8b..e16c553f6556 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -433,6 +433,20 @@ static void chsc_process_sei_scm_change(struct chsc_sei_nt0_area *sei_area) " failed (rc=%d).\n", ret); } +static void chsc_process_sei_scm_avail(struct chsc_sei_nt0_area *sei_area) +{ + int ret; + + CIO_CRW_EVENT(4, "chsc: scm available information\n"); + if (sei_area->rs != 7) + return; + + ret = scm_process_availability_information(); + if (ret) + CIO_CRW_EVENT(0, "chsc: process availability information" + " failed (rc=%d).\n", ret); +} + static void chsc_process_sei_nt2(struct chsc_sei_nt2_area *sei_area) { switch (sei_area->cc) { @@ -468,6 +482,9 @@ static void chsc_process_sei_nt0(struct chsc_sei_nt0_area *sei_area) case 12: /* scm change notification */ chsc_process_sei_scm_change(sei_area); break; + case 14: /* scm available notification */ + chsc_process_sei_scm_avail(sei_area); + break; default: /* other stuff */ CIO_CRW_EVENT(2, "chsc: sei nt0 unhandled cc=%d\n", sei_area->cc); |