1 files changed, 168 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
new file mode 100644
index 000000000000..1171e6d144a3
--- /dev/null
+++ b/arch/s390/include/asm/ipl.h
@@ -0,0 +1,168 @@
+/*
+ * s390 (re)ipl support
+ *
+ * Copyright IBM Corp. 2007
+ */
+#ifndef _ASM_S390_IPL_H
+#define _ASM_S390_IPL_H
+#include <asm/types.h>
+#include <asm/cio.h>
+#include <asm/setup.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_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8)
+#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
+                              sizeof(struct ipl_block_ccw))
+#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8)
+#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));
+#define DIAG308_VMPARM_SIZE     64
+struct ipl_block_ccw {
+        u8  load_parm[8];
+        u8  reserved1[84];
+        u8  reserved2[2];
+        u16 devno;
+        u8  vm_flags;
+        u8  reserved3[3];
+        u32 vm_parm_len;
+        u8  nss_name[8];
+        u8  vm_parm[DIAG308_VMPARM_SIZE];
+        u8  reserved4[8];
+} __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,aligned(4096)));
+/*
+ * IPL validity flags
+ */
+extern u32 ipl_flags;
+extern u32 dump_prefix_page;
+extern unsigned int zfcpdump_prefix_array[];
+extern void do_reipl(void);
+extern void do_halt(void);
+extern void do_poff(void);
+extern void ipl_save_parameters(void);
+extern void ipl_update_parameters(void);
+extern void get_ipl_vmparm(char *);
+enum {
+        IPL_DEVNO_VALID         = 1,
+        IPL_PARMBLOCK_VALID     = 2,
+        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(void);
+/*
+ * 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_flags {
+        DIAG308_FLAGS_LP_VALID  = 0x80,
+};
+enum diag308_vm_flags {
+        DIAG308_VM_FLAGS_NSS_VALID      = 0x80,
+        DIAG308_VM_FLAGS_VP_VALID       = 0x40,
+};
+enum diag308_rc {
+        DIAG308_RC_OK           = 0x0001,
+        DIAG308_RC_NOCONFIG     = 0x0102,
+};
+extern int diag308(unsigned long subcode, void *addr);
+#endif /* _ASM_S390_IPL_H */

diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h new file mode 100644 index 000000000000..1171e6d144a3 --- /dev/null +++ b/arch/s390/include/asm/ipl.h
@@ -0,0 +1,168 @@
	1	/*
	2	* s390 (re)ipl support
	3	*
	4	* Copyright IBM Corp. 2007
	5	*/
	6
	7	#ifndef _ASM_S390_IPL_H
	8	#define _ASM_S390_IPL_H
	9
	10	#include <asm/types.h>
	11	#include <asm/cio.h>
	12	#include <asm/setup.h>
	13
	14	#define IPL_PARMBLOCK_ORIGIN 0x2000
	15
	16	#define IPL_PARM_BLK_FCP_LEN (sizeof(struct ipl_list_hdr) + \
	17	sizeof(struct ipl_block_fcp))
	18
	19	#define IPL_PARM_BLK0_FCP_LEN (sizeof(struct ipl_block_fcp) + 8)
	20
	21	#define IPL_PARM_BLK_CCW_LEN (sizeof(struct ipl_list_hdr) + \
	22	sizeof(struct ipl_block_ccw))
	23
	24	#define IPL_PARM_BLK0_CCW_LEN (sizeof(struct ipl_block_ccw) + 8)
	25
	26	#define IPL_MAX_SUPPORTED_VERSION (0)
	27
	28	#define IPL_PARMBLOCK_START ((struct ipl_parameter_block *) \
	29	IPL_PARMBLOCK_ORIGIN)
	30	#define IPL_PARMBLOCK_SIZE (IPL_PARMBLOCK_START->hdr.len)
	31
	32	struct ipl_list_hdr {
	33	u32 len;
	34	u8 reserved1[3];
	35	u8 version;
	36	u32 blk0_len;
	37	u8 pbt;
	38	u8 flags;
	39	u16 reserved2;
	40	} __attribute__((packed));
	41
	42	struct ipl_block_fcp {
	43	u8 reserved1[313-1];
	44	u8 opt;
	45	u8 reserved2[3];
	46	u16 reserved3;
	47	u16 devno;
	48	u8 reserved4[4];
	49	u64 wwpn;
	50	u64 lun;
	51	u32 bootprog;
	52	u8 reserved5[12];
	53	u64 br_lba;
	54	u32 scp_data_len;
	55	u8 reserved6[260];
	56	u8 scp_data[];
	57	} __attribute__((packed));
	58
	59	#define DIAG308_VMPARM_SIZE 64
	60
	61	struct ipl_block_ccw {
	62	u8 load_parm[8];
	63	u8 reserved1[84];
	64	u8 reserved2[2];
	65	u16 devno;
	66	u8 vm_flags;
	67	u8 reserved3[3];
	68	u32 vm_parm_len;
	69	u8 nss_name[8];
	70	u8 vm_parm[DIAG308_VMPARM_SIZE];
	71	u8 reserved4[8];
	72	} __attribute__((packed));
	73
	74	struct ipl_parameter_block {
	75	struct ipl_list_hdr hdr;
	76	union {
	77	struct ipl_block_fcp fcp;
	78	struct ipl_block_ccw ccw;
	79	} ipl_info;
	80	} __attribute__((packed,aligned(4096)));
	81
	82	/*
	83	* IPL validity flags
	84	*/
	85	extern u32 ipl_flags;
	86	extern u32 dump_prefix_page;
	87	extern unsigned int zfcpdump_prefix_array[];
	88
	89	extern void do_reipl(void);
	90	extern void do_halt(void);
	91	extern void do_poff(void);
	92	extern void ipl_save_parameters(void);
	93	extern void ipl_update_parameters(void);
	94	extern void get_ipl_vmparm(char *);
	95
	96	enum {
	97	IPL_DEVNO_VALID = 1,
	98	IPL_PARMBLOCK_VALID = 2,
	99	IPL_NSS_VALID = 4,
	100	};
	101
	102	enum ipl_type {
	103	IPL_TYPE_UNKNOWN = 1,
	104	IPL_TYPE_CCW = 2,
	105	IPL_TYPE_FCP = 4,
	106	IPL_TYPE_FCP_DUMP = 8,
	107	IPL_TYPE_NSS = 16,
	108	};
	109
	110	struct ipl_info
	111	{
	112	enum ipl_type type;
	113	union {
	114	struct {
	115	struct ccw_dev_id dev_id;
	116	} ccw;
	117	struct {
	118	struct ccw_dev_id dev_id;
	119	u64 wwpn;
	120	u64 lun;
	121	} fcp;
	122	struct {
	123	char name[NSS_NAME_SIZE + 1];
	124	} nss;
	125	} data;
	126	};
	127
	128	extern struct ipl_info ipl_info;
	129	extern void setup_ipl(void);
	130
	131	/*
	132	* DIAG 308 support
	133	*/
	134	enum diag308_subcode {
	135	DIAG308_REL_HSA = 2,
	136	DIAG308_IPL = 3,
	137	DIAG308_DUMP = 4,
	138	DIAG308_SET = 5,
	139	DIAG308_STORE = 6,
	140	};
	141
	142	enum diag308_ipl_type {
	143	DIAG308_IPL_TYPE_FCP = 0,
	144	DIAG308_IPL_TYPE_CCW = 2,
	145	};
	146
	147	enum diag308_opt {
	148	DIAG308_IPL_OPT_IPL = 0x10,
	149	DIAG308_IPL_OPT_DUMP = 0x20,
	150	};
	151
	152	enum diag308_flags {
	153	DIAG308_FLAGS_LP_VALID = 0x80,
	154	};
	155
	156	enum diag308_vm_flags {
	157	DIAG308_VM_FLAGS_NSS_VALID = 0x80,
	158	DIAG308_VM_FLAGS_VP_VALID = 0x40,
	159	};
	160
	161	enum diag308_rc {
	162	DIAG308_RC_OK = 0x0001,
	163	DIAG308_RC_NOCONFIG = 0x0102,
	164	};
	165
	166	extern int diag308(unsigned long subcode, void *addr);
	167
	168	#endif /* _ASM_S390_IPL_H */