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authorSebastian Ott <sebott@linux.vnet.ibm.com>2015-06-29 18:39:54 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2015-11-11 13:56:27 +0100
commit18e22a1772260045648e49e2048ecc7193422a80 (patch)
tree0cfec60b1bcc9a744272b8af95bd44a444572c3e /drivers/s390/cio/chsc.h
parente0bedada3a497d0640dd5db93e7ad0735f487492 (diff)
downloadlinux-18e22a1772260045648e49e2048ecc7193422a80.tar.bz2
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.h15
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);