[S390] New header file ipl.h

From: Martin Schwidefsky
Date: Wed Feb 21 2007 - 05:03:14 EST

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From: Michael Holzheu <holzheu@xxxxxxxxxx>

[S390] New header file ipl.h

Setup.h has been misused for ipl related stuff in the past. We now move
everything, which has to do with ipl and reipl to a new header file named
"ipl.h".

Signed-off-by: Michael Holzheu <holzheu@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
---

arch/s390/kernel/early.c | 1
arch/s390/kernel/ipl.c | 24 ---------
arch/s390/kernel/setup.c | 1
arch/s390/kernel/smp.c | 1
drivers/s390/cio/cio.c | 1
include/asm-s390/ipl.h | 113 +++++++++++++++++++++++++++++++++++++++++++++++
include/asm-s390/setup.h | 74 ------------------------------
7 files changed, 119 insertions(+), 96 deletions(-)

diff -urpN linux-2.6/arch/s390/kernel/early.c linux-2.6-patched/arch/s390/kernel/early.c
--- linux-2.6/arch/s390/kernel/early.c 2007-02-21 10:47:30.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/early.c 2007-02-21 10:47:30.000000000 +0100
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/pfn.h>
#include <linux/uaccess.h>
+#include <asm/ipl.h>
#include <asm/lowcore.h>
#include <asm/processor.h>
#include <asm/sections.h>
diff -urpN linux-2.6/arch/s390/kernel/ipl.c linux-2.6-patched/arch/s390/kernel/ipl.c
--- linux-2.6/arch/s390/kernel/ipl.c 2007-02-21 10:47:06.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/ipl.c 2007-02-21 10:47:30.000000000 +0100
@@ -14,6 +14,7 @@
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/ctype.h>
+#include <asm/ipl.h>
#include <asm/smp.h>
#include <asm/setup.h>
#include <asm/cpcmd.h>
@@ -94,27 +95,6 @@ static char *shutdown_action_str(enum sh
}
}

-enum diag308_subcode {
- DIAG308_IPL = 3,
- DIAG308_DUMP = 4,
- DIAG308_SET = 5,
- DIAG308_STORE = 6,
-};
-
-enum diag308_ipl_type {
- DIAG308_IPL_TYPE_FCP = 0,
- DIAG308_IPL_TYPE_CCW = 2,
-};
-
-enum diag308_opt {
- DIAG308_IPL_OPT_IPL = 0x10,
- DIAG308_IPL_OPT_DUMP = 0x20,
-};
-
-enum diag308_rc {
- DIAG308_RC_OK = 1,
-};
-
static int diag308_set_works = 0;

static int reipl_capabilities = IPL_TYPE_UNKNOWN;
@@ -134,7 +114,7 @@ static struct ipl_parameter_block *dump_

static enum shutdown_action on_panic_action = SHUTDOWN_STOP;

-static int diag308(unsigned long subcode, void *addr)
+int diag308(unsigned long subcode, void *addr)
{
register unsigned long _addr asm("0") = (unsigned long) addr;
register unsigned long _rc asm("1") = 0;
diff -urpN linux-2.6/arch/s390/kernel/setup.c linux-2.6-patched/arch/s390/kernel/setup.c
--- linux-2.6/arch/s390/kernel/setup.c 2007-02-21 10:47:30.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/setup.c 2007-02-21 10:47:30.000000000 +0100
@@ -41,6 +41,7 @@
#include <linux/ctype.h>
#include <linux/reboot.h>

+#include <asm/ipl.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <asm/smp.h>
diff -urpN linux-2.6/arch/s390/kernel/smp.c linux-2.6-patched/arch/s390/kernel/smp.c
--- linux-2.6/arch/s390/kernel/smp.c 2007-02-21 10:47:27.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/smp.c 2007-02-21 10:47:31.000000000 +0100
@@ -31,6 +31,7 @@
#include <linux/interrupt.h>
#include <linux/cpu.h>
#include <linux/timex.h>
+#include <asm/ipl.h>
#include <asm/setup.h>
#include <asm/sigp.h>
#include <asm/pgalloc.h>
diff -urpN linux-2.6/drivers/s390/cio/cio.c linux-2.6-patched/drivers/s390/cio/cio.c
--- linux-2.6/drivers/s390/cio/cio.c 2007-02-21 10:47:11.000000000 +0100
+++ linux-2.6-patched/drivers/s390/cio/cio.c 2007-02-21 10:47:31.000000000 +0100
@@ -21,6 +21,7 @@
#include <asm/irq_regs.h>
#include <asm/setup.h>
#include <asm/reset.h>
+#include <asm/ipl.h>
#include "airq.h"
#include "cio.h"
#include "css.h"
diff -urpN linux-2.6/include/asm-s390/ipl.h linux-2.6-patched/include/asm-s390/ipl.h
--- linux-2.6/include/asm-s390/ipl.h 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/ipl.h 2007-02-21 10:47:31.000000000 +0100
@@ -0,0 +1,113 @@
+/*
+ * s390 (re)ipl support
+ *
+ * Copyright IBM Corp. 2007
+ */
+
+#ifndef _ASM_S390_IPL_H
+#define _ASM_S390_IPL_H
+
+#include <asm/types.h>
+
+#define IPL_PARMBLOCK_ORIGIN 0x2000
+
+#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
+ sizeof(struct ipl_block_fcp))
+
+#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
+ sizeof(struct ipl_block_ccw))
+
+#define IPL_MAX_SUPPORTED_VERSION (0)
+
+#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
+ IPL_PARMBLOCK_ORIGIN)
+#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
+
+struct ipl_list_hdr {
+ u32 len;
+ u8 reserved1[3];
+ u8 version;
+ u32 blk0_len;
+ u8 pbt;
+ u8 flags;
+ u16 reserved2;
+} __attribute__((packed));
+
+struct ipl_block_fcp {
+ u8 reserved1[313-1];
+ u8 opt;
+ u8 reserved2[3];
+ u16 reserved3;
+ u16 devno;
+ u8 reserved4[4];
+ u64 wwpn;
+ u64 lun;
+ u32 bootprog;
+ u8 reserved5[12];
+ u64 br_lba;
+ u32 scp_data_len;
+ u8 reserved6[260];
+ u8 scp_data[];
+} __attribute__((packed));
+
+struct ipl_block_ccw {
+ u8 load_param[8];
+ u8 reserved1[84];
+ u8 reserved2[2];
+ u16 devno;
+ u8 vm_flags;
+ u8 reserved3[3];
+ u32 vm_parm_len;
+} __attribute__((packed));
+
+struct ipl_parameter_block {
+ struct ipl_list_hdr hdr;
+ union {
+ struct ipl_block_fcp fcp;
+ struct ipl_block_ccw ccw;
+ } ipl_info;
+} __attribute__((packed));
+
+/*
+ * IPL validity flags and parameters as detected in head.S
+ */
+extern u32 ipl_flags;
+extern u16 ipl_devno;
+
+extern void do_reipl(void);
+extern void ipl_save_parameters(void);
+
+enum {
+ IPL_DEVNO_VALID = 1,
+ IPL_PARMBLOCK_VALID = 2,
+ IPL_NSS_VALID = 4,
+};
+
+/*
+ * DIAG 308 support
+ */
+enum diag308_subcode {
+ DIAG308_REL_HSA = 2,
+ DIAG308_IPL = 3,
+ DIAG308_DUMP = 4,
+ DIAG308_SET = 5,
+ DIAG308_STORE = 6,
+};
+
+enum diag308_ipl_type {
+ DIAG308_IPL_TYPE_FCP = 0,
+ DIAG308_IPL_TYPE_CCW = 2,
+};
+
+enum diag308_opt {
+ DIAG308_IPL_OPT_IPL = 0x10,
+ DIAG308_IPL_OPT_DUMP = 0x20,
+};
+
+enum diag308_rc {
+ DIAG308_RC_OK = 1,
+};
+
+extern int diag308(unsigned long subcode, void *addr);
+
+#endif /* _ASM_S390_IPL_H */
diff -urpN linux-2.6/include/asm-s390/setup.h linux-2.6-patched/include/asm-s390/setup.h
--- linux-2.6/include/asm-s390/setup.h 2007-02-21 10:47:14.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/setup.h 2007-02-21 10:47:31.000000000 +0100
@@ -16,7 +16,6 @@

#define PARMAREA 0x10400
#define MEMORY_CHUNKS 16 /* max 0x7fff */
-#define IPL_PARMBLOCK_ORIGIN 0x2000

#ifndef __ASSEMBLY__

@@ -97,82 +96,9 @@ extern char vmpoff_cmd[];
#define SET_CONSOLE_3215 do { console_mode = 2; } while (0)
#define SET_CONSOLE_3270 do { console_mode = 3; } while (0)

-struct ipl_list_hdr {
- u32 len;
- u8 reserved1[3];
- u8 version;
- u32 blk0_len;
- u8 pbt;
- u8 flags;
- u16 reserved2;
-} __attribute__((packed));
-
-struct ipl_block_fcp {
- u8 reserved1[313-1];
- u8 opt;
- u8 reserved2[3];
- u16 reserved3;
- u16 devno;
- u8 reserved4[4];
- u64 wwpn;
- u64 lun;
- u32 bootprog;
- u8 reserved5[12];
- u64 br_lba;
- u32 scp_data_len;
- u8 reserved6[260];
- u8 scp_data[];
-} __attribute__((packed));
-
-struct ipl_block_ccw {
- u8 load_param[8];
- u8 reserved1[84];
- u8 reserved2[2];
- u16 devno;
- u8 vm_flags;
- u8 reserved3[3];
- u32 vm_parm_len;
-} __attribute__((packed));
-
-struct ipl_parameter_block {
- struct ipl_list_hdr hdr;
- union {
- struct ipl_block_fcp fcp;
- struct ipl_block_ccw ccw;
- } ipl_info;
-} __attribute__((packed));
-
-#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
- sizeof(struct ipl_block_fcp))
-
-#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
- sizeof(struct ipl_block_ccw))
-
-#define IPL_MAX_SUPPORTED_VERSION (0)
-
-/*
- * IPL validity flags and parameters as detected in head.S
- */
-extern u32 ipl_flags;
-extern u16 ipl_devno;
-
-extern void do_reipl(void);
-extern void ipl_save_parameters(void);
-
-enum {
- IPL_DEVNO_VALID = 1,
- IPL_PARMBLOCK_VALID = 2,
- IPL_NSS_VALID = 4,
-};
-
#define NSS_NAME_SIZE 8
-
extern char kernel_nss_name[];

-#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
- IPL_PARMBLOCK_ORIGIN)
-#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
-
#else /* __ASSEMBLY__ */

#ifndef __s390x__
--
blue skies, IBM Deutschland Entwicklung GmbH
Martin Vorsitzender des Aufsichtsrats: Johann Weihen
Geschäftsführung: Herbert Kircher
Martin Schwidefsky Sitz der Gesellschaft: Böblingen
Linux on zSeries Registergericht: Amtsgericht Stuttgart,
Development HRB 243294

"Reality continues to ruin my life." - Calvin.

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Next message: Martin Schwidefsky: "[S390] New get_cpu_id() inline assembly"
Previous message: Martin Schwidefsky: "[S390] etr: Add barrier() to etr_sync_cpu_start()."
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]