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Diffstat (limited to 'pc-bios/s390-ccw/cio.h')
-rw-r--r--pc-bios/s390-ccw/cio.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h
index cb5815accd..f5b4549ea3 100644
--- a/pc-bios/s390-ccw/cio.h
+++ b/pc-bios/s390-ccw/cio.h
@@ -93,6 +93,26 @@ struct subchannel_id {
__u32 sch_no : 16;
} __attribute__ ((packed, aligned(4)));
+struct chsc_header {
+ __u16 length;
+ __u16 code;
+} __attribute__((packed));
+
+struct chsc_area_sda {
+ struct chsc_header request;
+ __u8 reserved1:4;
+ __u8 format:4;
+ __u8 reserved2;
+ __u16 operation_code;
+ __u32 reserved3;
+ __u32 reserved4;
+ __u32 operation_data_area[252];
+ struct chsc_header response;
+ __u32 reserved5:4;
+ __u32 format2:4;
+ __u32 reserved6:24;
+} __attribute__((packed));
+
/*
* TPI info structure
*/