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From: Martin Schwidefsky <schwidefsky@de.ibm.com>
To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Cc: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: [patch 25/38] dasd: Add ipldev parameter.
Date: Fri, 27 Apr 2007 16:05:28 +0200 [thread overview]
Message-ID: <20070427140517.673458804@de.ibm.com> (raw)
In-Reply-To: <20070427140503.087958775@de.ibm.com>
[-- Attachment #1: 128-dasd-ipldev.diff --]
[-- Type: text/plain, Size: 1683 bytes --]
From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Specifying 'ipldev' in the dasd= kernel parameter will automatically
activate the boot device for use by the dasd driver.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
drivers/s390/block/dasd_devmap.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+)
Index: quilt-2.6/drivers/s390/block/dasd_devmap.c
===================================================================
--- quilt-2.6.orig/drivers/s390/block/dasd_devmap.c 2007-04-27 16:04:58.000000000 +0200
+++ quilt-2.6/drivers/s390/block/dasd_devmap.c 2007-04-27 16:04:58.000000000 +0200
@@ -19,6 +19,7 @@
#include <asm/debug.h>
#include <asm/uaccess.h>
+#include <asm/ipl.h>
/* This is ugly... */
#define PRINTK_HEADER "dasd_devmap:"
@@ -133,6 +134,8 @@
__setup ("dasd=", dasd_call_setup);
#endif /* #ifndef MODULE */
+#define DASD_IPLDEV "ipldev"
+
/*
* Read a device busid/devno from a string.
*/
@@ -141,6 +144,20 @@
{
int val, old_style;
+ /* Interpret ipldev busid */
+ if (strncmp(DASD_IPLDEV, *str, strlen(DASD_IPLDEV)) == 0) {
+ if (ipl_info.type != IPL_TYPE_CCW) {
+ MESSAGE(KERN_ERR, "%s", "ipl device is not a ccw "
+ "device");
+ return -EINVAL;
+ }
+ *id0 = 0;
+ *id1 = ipl_info.data.ccw.dev_id.ssid;
+ *devno = ipl_info.data.ccw.dev_id.devno;
+ *str += strlen(DASD_IPLDEV);
+
+ return 0;
+ }
/* check for leading '0x' */
old_style = 0;
if ((*str)[0] == '0' && (*str)[1] == 'x') {
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
next prev parent reply other threads:[~2007-04-27 14:13 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 14:05 [patch 00/38] s390 patches for 2.6.22 Martin Schwidefsky
2007-04-27 14:05 ` [patch 01/38] memory detection: stop at first memory hole Martin Schwidefsky
2007-04-27 14:05 ` [patch 02/38] cio/ipl: Clean interface between cio and ipl code Martin Schwidefsky
2007-04-27 14:05 ` [patch 03/38] cio: Introduce struct chp_id Martin Schwidefsky
2007-04-27 14:05 ` [patch 04/38] cio: Allow 0 and 1 as input for channel path status attribute Martin Schwidefsky
2007-04-27 14:05 ` [patch 05/38] cio: Introduce separate files for channel-path related code Martin Schwidefsky
2007-04-27 14:05 ` [patch 06/38] cio: observe chpid valid flag Martin Schwidefsky
2007-04-27 14:05 ` [patch 07/38] cio: Clean up online_store Martin Schwidefsky
2007-04-27 14:05 ` [patch 08/38] cio: Channel-path configure function Martin Schwidefsky
2007-04-27 14:05 ` [patch 09/38] cio: Use add_uevent_var Martin Schwidefsky
2007-04-27 14:05 ` [patch 10/38] cio: Re-start path verification after aborting internal I/O Martin Schwidefsky
2007-04-27 14:05 ` [patch 11/38] cio: replace subchannel evaluation queue with bitmap Martin Schwidefsky
2007-04-27 14:05 ` [patch 12/38] cio: fix subchannel channel-path data usage Martin Schwidefsky
2007-04-27 14:05 ` [patch 13/38] cio: Dont call css_update_ssd_info from interrupt context Martin Schwidefsky
2007-04-27 14:05 ` [patch 14/38] cio: ccwgroup register vs. unregister Martin Schwidefsky
2007-04-27 14:05 ` [patch 15/38] cio: cm_enable memory leak Martin Schwidefsky
2007-04-27 14:05 ` [patch 16/38] cio: Unregister ccw devices directly Martin Schwidefsky
2007-04-27 14:05 ` [patch 17/38] System call cleanup Martin Schwidefsky
2007-04-27 14:05 ` [patch 18/38] Improved oops output Martin Schwidefsky
2007-04-27 14:25 ` Christoph Hellwig
2007-04-27 15:24 ` Martin Schwidefsky
2007-04-27 16:01 ` Chuck Ebbert
2007-04-27 16:15 ` Martin Schwidefsky
2007-04-27 16:21 ` Chuck Ebbert
2007-04-27 18:14 ` Andi Kleen
2007-04-27 20:56 ` Martin Schwidefsky
2007-04-27 21:10 ` Chuck Ebbert
2007-04-27 14:05 ` [patch 19/38] Use generic bug Martin Schwidefsky
2007-04-27 14:05 ` [patch 20/38] Minor fault path optimization Martin Schwidefsky
2007-04-28 4:49 ` Paul Mackerras
2007-04-28 8:34 ` Christoph Hellwig
2007-04-30 0:57 ` Paul Mackerras
2007-04-30 10:56 ` [PATCH] powerpc: minor " Christoph Hellwig
2007-05-02 10:45 ` [patch 20/38] Minor " Martin Schwidefsky
2007-05-02 10:49 ` Christoph Hellwig
2007-04-27 14:05 ` [patch 21/38] No execute support cleanup Martin Schwidefsky
2007-04-27 14:05 ` [patch 22/38] Get rid of console setup functions Martin Schwidefsky
2007-04-27 14:05 ` [patch 23/38] Improved kernel stack overflow checking Martin Schwidefsky
2007-04-27 14:05 ` [patch 24/38] dasd: Add sysfs attribute status and generate uevents Martin Schwidefsky
2007-04-27 14:05 ` Martin Schwidefsky [this message]
2007-04-27 14:05 ` [patch 26/38] zfcpdump support Martin Schwidefsky
2007-04-27 14:05 ` [patch 27/38] ctc: kmalloc->kzalloc/casting cleanups Martin Schwidefsky
2007-04-27 14:05 ` [patch 28/38] sclp: initialize early Martin Schwidefsky
2007-04-27 14:05 ` [patch 29/38] vmlogrdr: stop IUCV connection in vmlogrdr_release Martin Schwidefsky
2007-04-27 14:05 ` [patch 30/38] sclp: fix coding style Martin Schwidefsky
2007-04-27 14:05 ` [patch 31/38] crypto: cleanup Martin Schwidefsky
2007-04-27 14:05 ` [patch 32/38] vtime: cleanup per_cpu usage Martin Schwidefsky
2007-04-27 14:05 ` [patch 33/38] Processor degradation notification Martin Schwidefsky
2007-04-27 14:05 ` [patch 34/38] split page_test_and_clear_dirty Martin Schwidefsky
2007-04-27 14:05 ` [patch 35/38] Switch etr from tasklet to workqueue Martin Schwidefsky
2007-04-27 14:05 ` [patch 36/38] Remove debugging junk Martin Schwidefsky
2007-04-27 14:05 ` [patch 37/38] Clean up smp code in preparation for some larger changes Martin Schwidefsky
2007-04-27 14:05 ` [patch 38/38] SPIN_LOCK_UNLOCKED cleanup in drivers/s390 Martin Schwidefsky
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