[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@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

7 files changed, 119 insertions, 96 deletions

diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 011e8c7acc7e..5d02e48c72e0 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -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 --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 052259530651..a2410423c226 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -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 shutdown_action action)
         }
 }
 
-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_block_ccw;
 
 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 --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 49567d8cd9a1..fced022dc58d 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -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 --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 432deb2d9795..ecaa432a99f8 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -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 --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index b3a56dc5f68a..e4471e6ee5d9 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -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 --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h
new file mode 100644
index 000000000000..5650d3d4ae46
--- /dev/null
+++ b/include/asm-s390/ipl.h
@@ -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 --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 3388bb52597c..44c7aee2bd34 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -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__