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Diffstat (limited to 'include/asm-s390/ipl.h')
-rw-r--r--include/asm-s390/ipl.h35
1 files changed, 33 insertions, 2 deletions
diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h
index 0eb64083480a..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
@@ -74,12 +76,12 @@ struct ipl_parameter_block {
} __attribute__((packed));
/*
- * IPL validity flags and parameters as detected in head.S
+ * IPL validity flags
*/
extern u32 ipl_flags;
-extern u16 ipl_devno;
extern u32 dump_prefix_page;
+
extern void do_reipl(void);
extern void ipl_save_parameters(void);
@@ -89,6 +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
*/