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| author |   Sebastian Ott <sebott@linux.vnet.ibm.com> | 2015-06-29 18:39:54 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-11-11 13:56:27 +0100 |
| commit | 18e22a1772260045648e49e2048ecc7193422a80 (patch) | |
| tree | 0cfec60b1bcc9a744272b8af95bd44a444572c3e /drivers/s390/cio/chsc.h | |
| parent | s390/ipl: fix out of bounds access in scpdata_write (diff) | |
| download | linux-dev-18e22a1772260045648e49e2048ecc7193422a80.tar.xz linux-dev-18e22a1772260045648e49e2048ecc7193422a80.zip | |
s390: add support for ipl devices in subchannel sets > 0
Allow to ipl from CCW based devices residing in any subchannel set.
Reviewed-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
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.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 76c9b50700b2..0de134c3a204 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -115,6 +115,20 @@ struct chsc_scpd { u8 data[PAGE_SIZE - 20]; } __attribute__ ((packed)); +struct chsc_sda_area { + struct chsc_header request; + u8 :4; + u8 format:4; + u8 :8; + u16 operation_code; + u32 :32; + u32 :32; + u32 operation_data_area[252]; + struct chsc_header response; + u32 :4; + u32 format2:4; + u32 :24; +} __packed __aligned(PAGE_SIZE); extern int chsc_get_ssd_info(struct subchannel_id schid, struct chsc_ssd_info *ssd); @@ -122,6 +136,7 @@ extern int chsc_determine_css_characteristics(void); extern int chsc_init(void); extern void chsc_init_cleanup(void); +int __chsc_enable_facility(struct chsc_sda_area *sda_area, int operation_code); extern int chsc_enable_facility(int); struct channel_subsystem; extern int chsc_secm(struct channel_subsystem *, int); |