2 files changed, 9 insertions, 5 deletions

diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index d125a4ead08d..f731185bf2bd 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -839,7 +839,7 @@ static int __init reipl_ccw_init(void)
         }
         reipl_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN;
         reipl_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION;
-        reipl_block_ccw->hdr.blk0_len = sizeof(reipl_block_ccw->ipl_info.ccw);
+        reipl_block_ccw->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN;
         reipl_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW;
         /* check if read scp info worked and set loadparm */
         if (SCCB_VALID)
@@ -880,8 +880,7 @@ static int __init reipl_fcp_init(void)
         } else {
                 reipl_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN;
                 reipl_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION;
-                reipl_block_fcp->hdr.blk0_len =
-                        sizeof(reipl_block_fcp->ipl_info.fcp);
+                reipl_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN;
                 reipl_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP;
                 reipl_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_IPL;
         }
@@ -930,7 +929,7 @@ static int __init dump_ccw_init(void)
         }
         dump_block_ccw->hdr.len = IPL_PARM_BLK_CCW_LEN;
         dump_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION;
-        dump_block_ccw->hdr.blk0_len = sizeof(reipl_block_ccw->ipl_info.ccw);
+        dump_block_ccw->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN;
         dump_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW;
         dump_capabilities |= IPL_TYPE_CCW;
         return 0;
@@ -954,7 +953,7 @@ static int __init dump_fcp_init(void)
         }
         dump_block_fcp->hdr.len = IPL_PARM_BLK_FCP_LEN;
         dump_block_fcp->hdr.version = IPL_PARM_BLOCK_VERSION;
-        dump_block_fcp->hdr.blk0_len = sizeof(dump_block_fcp->ipl_info.fcp);
+        dump_block_fcp->hdr.blk0_len = IPL_PARM_BLK0_FCP_LEN;
         dump_block_fcp->hdr.pbt = DIAG308_IPL_TYPE_FCP;
         dump_block_fcp->ipl_info.fcp.opt = DIAG308_IPL_OPT_DUMP;
         dump_capabilities |= IPL_TYPE_FCP;
diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h
index 660f78271a93..0eb64083480a 100644
--- a/include/asm-s390/ipl.h
+++ b/include/asm-s390/ipl.h
@@ -14,9 +14,13 @@
 #define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
                               sizeof(struct ipl_block_fcp))
 
+#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8)
+
 #define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
                               sizeof(struct ipl_block_ccw))
 
+#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8)
+
 #define IPL_MAX_SUPPORTED_VERSION (0)
 
 #define IPL_PARMBLOCK_START     ((struct ipl_parameter_block *) \
@@ -58,6 +62,7 @@ struct ipl_block_ccw {
         u8  vm_flags;
         u8  reserved3[3];
         u32 vm_parm_len;
+        u8  reserved4[80];
 } __attribute__((packed));
 
 struct ipl_parameter_block {