diff options
| -rw-r--r-- | arch/s390/kernel/ipl.c | 14 | ||||
| -rw-r--r-- | include/asm-s390/ipl.h | 4 |
2 files changed, 12 insertions, 6 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 14bdde9def4..db28cca81fe 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -595,7 +595,9 @@ static int reipl_set_type(enum ipl_type type) switch(type) { case IPL_TYPE_CCW: - if (MACHINE_IS_VM) + if (diag308_set_works) + reipl_method = REIPL_METHOD_CCW_DIAG; + else if (MACHINE_IS_VM) reipl_method = REIPL_METHOD_CCW_VM; else reipl_method = REIPL_METHOD_CCW_CIO; @@ -659,8 +661,6 @@ void reipl_run(struct shutdown_trigger *trigger) switch (reipl_method) { case REIPL_METHOD_CCW_CIO: devid.devno = reipl_block_ccw->ipl_info.ccw.devno; - if (ipl_info.type == IPL_TYPE_CCW && devid.devno == ipl_devno) - diag308(DIAG308_IPL, NULL); devid.ssid = 0; reipl_ccw_dev(&devid); break; @@ -745,6 +745,7 @@ static int __init reipl_ccw_init(void) reipl_block_ccw->hdr.version = IPL_PARM_BLOCK_VERSION; reipl_block_ccw->hdr.blk0_len = IPL_PARM_BLK0_CCW_LEN; reipl_block_ccw->hdr.pbt = DIAG308_IPL_TYPE_CCW; + reipl_block_ccw->hdr.flags = DIAG308_FLAGS_LP_VALID; /* check if read scp info worked and set loadparm */ if (sclp_ipl_info.is_valid) memcpy(reipl_block_ccw->ipl_info.ccw.load_param, @@ -753,8 +754,7 @@ static int __init reipl_ccw_init(void) /* read scp info failed: set empty loadparm (EBCDIC blanks) */ memset(reipl_block_ccw->ipl_info.ccw.load_param, 0x40, LOADPARM_LEN); - /* FIXME: check for diag308_set_works when enabling diag ccw reipl */ - if (!MACHINE_IS_VM) + if (!MACHINE_IS_VM && !diag308_set_works) sys_reipl_ccw_loadparm_attr.attr.mode = S_IRUGO; if (ipl_info.type == IPL_TYPE_CCW) reipl_block_ccw->ipl_info.ccw.devno = ipl_devno; @@ -876,7 +876,9 @@ static int dump_set_type(enum dump_type type) return -EINVAL; switch (type) { case DUMP_TYPE_CCW: - if (MACHINE_IS_VM) + if (diag308_set_works) + dump_method = DUMP_METHOD_CCW_DIAG; + else if (MACHINE_IS_VM) dump_method = DUMP_METHOD_CCW_VM; else dump_method = DUMP_METHOD_CCW_CIO; diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h index d0dcc9c5f7c..c1b2e50392b 100644 --- a/include/asm-s390/ipl.h +++ b/include/asm-s390/ipl.h @@ -143,6 +143,10 @@ enum diag308_opt { DIAG308_IPL_OPT_DUMP = 0x20, }; +enum diag308_flags { + DIAG308_FLAGS_LP_VALID = 0x80, +}; + enum diag308_rc { DIAG308_RC_OK = 1, }; |