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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2012-08-28 16:47:02 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2012-09-26 15:44:59 +0200 |
| commit | 40ff4cc06697e8ba3f8ce93b0592ddbcf70cd444 (patch) | |
| tree | fde6248c494240b4fbbc449bb3ddd1025ad099f9 /drivers/s390/cio/chsc.c | |
| parent | s390: add scm bus driver (diff) | |
| download | linux-dev-40ff4cc06697e8ba3f8ce93b0592ddbcf70cd444.tar.xz linux-dev-40ff4cc06697e8ba3f8ce93b0592ddbcf70cd444.zip | |
s390: add scm notification
Detect an scm change notification in store event information.
Update affected scm devices and notify their drivers.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.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 121865385c05..4d51a7c4eb8b 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -398,6 +398,20 @@ static void chsc_process_sei_chp_config(struct chsc_sei_area *sei_area) } } +static void chsc_process_sei_scm_change(struct chsc_sei_area *sei_area) +{ + int ret; + + CIO_CRW_EVENT(4, "chsc: scm change notification\n"); + if (sei_area->rs != 7) + return; + + ret = scm_update_information(); + if (ret) + CIO_CRW_EVENT(0, "chsc: updating change notification" + " failed (rc=%d).\n", ret); +} + static void chsc_process_sei(struct chsc_sei_area *sei_area) { /* Check if we might have lost some information. */ @@ -419,6 +433,9 @@ static void chsc_process_sei(struct chsc_sei_area *sei_area) case 8: /* channel-path-configuration notification */ chsc_process_sei_chp_config(sei_area); break; + case 12: /* scm change notification */ + chsc_process_sei_scm_change(sei_area); + break; default: /* other stuff */ CIO_CRW_EVENT(4, "chsc: unhandled sei content code %d\n", sei_area->cc); |