diff options
| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2016-06-22 19:42:40 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2018-03-26 16:13:16 +0200 |
| commit | fcc6dd4b7b4dfc57ba19f988cfa5ac335de885d5 (patch) | |
| tree | 09be12638fc83eadcfa87456ae3598f06571dd29 /drivers/s390/cio/chsc.c | |
| parent | s390/cio: rename struct channel_path_desc (diff) | |
| download | linux-fcc6dd4b7b4dfc57ba19f988cfa5ac335de885d5.tar.xz linux-fcc6dd4b7b4dfc57ba19f988cfa5ac335de885d5.zip | |
s390/chsc: query utility strings via fmt3 channel path descriptor
Add support for format 3 channel path descriptors and use them to
gather utility strings.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 65290e5ac854..6652a49a49b1 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -915,6 +915,8 @@ int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt, return -EINVAL; if ((rfmt == 2) && !css_general_characteristics.cib) return -EINVAL; + if ((rfmt == 3) && !css_general_characteristics.util_str) + return -EINVAL; memset(page, 0, PAGE_SIZE); scpd_area = page; @@ -963,6 +965,7 @@ out: \ chsc_det_chp_desc(0, 0) chsc_det_chp_desc(1, 1) +chsc_det_chp_desc(3, 0) static void chsc_initialize_cmg_chars(struct channel_path *chp, u8 cmcv, |