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authorSebastian Ott <sebott@linux.vnet.ibm.com>2013-04-30 17:16:17 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-05-02 15:50:20 +0200
commit0e6c83d18759e282fb4cfc19478a4217923421b3 (patch)
tree465961a27c8ce1ffadbb4f8038657d504c9cd406 /drivers/s390/cio
parent12d8471315e01f0663a45fa5b4ae2fc0f38d1dea (diff)
downloadvexpress-lsk-0e6c83d18759e282fb4cfc19478a4217923421b3.tar.gz
s390/cio: add ipldev keyword to cio_ignore
Provide an 'ipldev' keyword to cio_ignore to (un)ignore the CCW or FCP based boot device. Reviewed-by: Peter Oberparleiter <peter.oberparleiter@de.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')
-rw-r--r--drivers/s390/cio/blacklist.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 2d2a966a3b3..706eb9b6513 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -1,7 +1,7 @@
/*
* S/390 common I/O routines -- blacklisting of specific devices
*
- * Copyright IBM Corp. 1999, 2002
+ * Copyright IBM Corp. 1999, 2013
* Author(s): Ingo Adlung (adlung@de.ibm.com)
* Cornelia Huck (cornelia.huck@de.ibm.com)
* Arnd Bergmann (arndb@de.ibm.com)
@@ -17,8 +17,9 @@
#include <linux/ctype.h>
#include <linux/device.h>
-#include <asm/cio.h>
#include <asm/uaccess.h>
+#include <asm/cio.h>
+#include <asm/ipl.h>
#include "blacklist.h"
#include "cio.h"
@@ -172,6 +173,22 @@ static int blacklist_parse_parameters(char *str, range_action action,
to_cssid = __MAX_CSSID;
to_ssid = __MAX_SSID;
to = __MAX_SUBCHANNEL;
+ } else if (strcmp(parm, "ipldev") == 0) {
+ if (ipl_info.type == IPL_TYPE_CCW) {
+ from_cssid = 0;
+ from_ssid = ipl_info.data.ccw.dev_id.ssid;
+ from = ipl_info.data.ccw.dev_id.devno;
+ } else if (ipl_info.type == IPL_TYPE_FCP ||
+ ipl_info.type == IPL_TYPE_FCP_DUMP) {
+ from_cssid = 0;
+ from_ssid = ipl_info.data.fcp.dev_id.ssid;
+ from = ipl_info.data.fcp.dev_id.devno;
+ } else {
+ continue;
+ }
+ to_cssid = from_cssid;
+ to_ssid = from_ssid;
+ to = from;
} else {
rc = parse_busid(strsep(&parm, "-"), &from_cssid,
&from_ssid, &from, msgtrigger);