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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-04-30 17:16:17 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-05-02 15:50:20 +0200 |
| commit | 0e6c83d18759e282fb4cfc19478a4217923421b3 (patch) | |
| tree | 465961a27c8ce1ffadbb4f8038657d504c9cd406 /drivers/s390 | |
| parent | s390/uaccess: add "fallthrough" comments (diff) | |
| download | linux-0e6c83d18759e282fb4cfc19478a4217923421b3.tar.xz linux-0e6c83d18759e282fb4cfc19478a4217923421b3.zip | |
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')
| -rw-r--r-- | drivers/s390/cio/blacklist.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index 2d2a966a3b39..706eb9b6513f 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); |