5 files changed, 83 insertions, 0 deletions

diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h
index 15bb0b529551..bdcd448d43fb 100644
--- a/include/asm-s390/ipl.h
+++ b/include/asm-s390/ipl.h
@@ -8,6 +8,8 @@
 #define _ASM_S390_IPL_H
 
 #include <asm/types.h>
+#include <asm/cio.h>
+#include <asm/setup.h>
 
 #define IPL_PARMBLOCK_ORIGIN	0x2000
 
@@ -79,6 +81,7 @@ struct ipl_parameter_block {
 extern u32 ipl_flags;
 
 extern u32 dump_prefix_page;
+
 extern void do_reipl(void);
 extern void ipl_save_parameters(void);
 
@@ -88,6 +91,35 @@ enum {
 	IPL_NSS_VALID		= 4,
 };
 
+enum ipl_type {
+	IPL_TYPE_UNKNOWN	= 1,
+	IPL_TYPE_CCW		= 2,
+	IPL_TYPE_FCP		= 4,
+	IPL_TYPE_FCP_DUMP	= 8,
+	IPL_TYPE_NSS		= 16,
+};
+
+struct ipl_info
+{
+	enum ipl_type type;
+	union {
+		struct {
+			struct ccw_dev_id dev_id;
+		} ccw;
+		struct {
+			struct ccw_dev_id dev_id;
+			u64 wwpn;
+			u64 lun;
+		} fcp;
+		struct {
+			char name[NSS_NAME_SIZE + 1];
+		} nss;
+	} data;
+};
+
+extern struct ipl_info ipl_info;
+extern void setup_ipl_info(void);
+
 /*
  * DIAG 308 support
  */
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 4a31d0a7ee83..ffc9788a21a7 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -147,6 +147,52 @@ void pgm_check_handler(void);
 void mcck_int_handler(void);
 void io_int_handler(void);
 
+struct save_area_s390 {
+	u32	ext_save;
+	u64	timer;
+	u64	clk_cmp;
+	u8	pad1[24];
+	u8	psw[8];
+	u32	pref_reg;
+	u8	pad2[20];
+	u32	acc_regs[16];
+	u64	fp_regs[4];
+	u32	gp_regs[16];
+	u32	ctrl_regs[16];
+}  __attribute__((packed));
+
+struct save_area_s390x {
+	u64	fp_regs[16];
+	u64	gp_regs[16];
+	u8	psw[16];
+	u8	pad1[8];
+	u32	pref_reg;
+	u32	fp_ctrl_reg;
+	u8	pad2[4];
+	u32	tod_reg;
+	u64	timer;
+	u64	clk_cmp;
+	u8	pad3[8];
+	u32	acc_regs[16];
+	u64	ctrl_regs[16];
+}  __attribute__((packed));
+
+union save_area {
+	struct save_area_s390	s390;
+	struct save_area_s390x	s390x;
+};
+
+#define SAVE_AREA_BASE_S390	0xd4
+#define SAVE_AREA_BASE_S390X	0x1200
+
+#ifndef __s390x__
+#define SAVE_AREA_SIZE sizeof(struct save_area_s390)
+#define SAVE_AREA_BASE SAVE_AREA_BASE_S390
+#else
+#define SAVE_AREA_SIZE sizeof(struct save_area_s390x)
+#define SAVE_AREA_BASE SAVE_AREA_BASE_S390X
+#endif
+
 struct _lowcore
 {
 #ifndef __s390x__
diff --git a/include/asm-s390/sclp.h b/include/asm-s390/sclp.h
index 3996daaa8f54..21ed64773210 100644
--- a/include/asm-s390/sclp.h
+++ b/include/asm-s390/sclp.h
@@ -44,6 +44,8 @@ struct sclp_chp_info {
 
 extern struct sclp_readinfo_sccb s390_readinfo_sccb;
 extern void sclp_readinfo_early(void);
+extern int sclp_sdias_blk_count(void);
+extern int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
 extern int sclp_chp_configure(struct chp_id chpid);
 extern int sclp_chp_deconfigure(struct chp_id chpid);
 extern int sclp_chp_read_info(struct sclp_chp_info *info);
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index 44c7aee2bd34..a76a6b8fd887 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -40,6 +40,7 @@ struct mem_chunk {
 };
 
 extern struct mem_chunk memory_chunk[];
+extern unsigned long real_memory_size;
 
 #ifdef CONFIG_S390_SWITCH_AMODE
 extern unsigned int switch_amode;
@@ -77,6 +78,7 @@ extern unsigned long machine_flags;
 #endif /* __s390x__ */
 
 #define MACHINE_HAS_SCLP	(!MACHINE_IS_P390)
+#define ZFCPDUMP_HSA_SIZE	(32UL<<20)
 
 /*
  * Console mode. Override with conmode=
diff --git a/include/asm-s390/smp.h b/include/asm-s390/smp.h
index b957e4cda464..676e94ee15f0 100644
--- a/include/asm-s390/smp.h
+++ b/include/asm-s390/smp.h
@@ -119,4 +119,5 @@ static inline void smp_send_stop(void)
 #define smp_setup_cpu_possible_map()	do { } while (0)
 #endif
 
+extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
 #endif