patch-2.3.99-pre8 linux/include/asm-s390/s390mach.h

• Lines: 66
• Date: Fri May 12 11:41:44 2000
• Orig file: v2.3.99-pre7/linux/include/asm-s390/s390mach.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre7/linux/include/asm-s390/s390mach.h linux/include/asm-s390/s390mach.h
@@ -0,0 +1,65 @@
+/*
+ *  arch/s390/kernel/s390mach.h
+ *   S/390 data definitions for machine check processing
+ *
+ *  S390 version
+ *    Copyright (C) 2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Ingo Adlung ([email protected])
+ */
+
+#ifndef __s390mach_h
+#define __s390mach_h
+
+#include <asm/types.h>
+
+//
+// machine-check-interruption code
+//
+typedef struct _mcic {
+	__u32	to_be_defined_1 :  9;
+	__u32 cp              :  1; /* channel-report pending */
+	__u32	to_be_defined_2 : 22;
+	__u32	to_be_defined_3;
+} __attribute__ ((packed)) mcic_t;
+
+//
+// Channel Report Word
+//
+typedef struct _crw {
+	__u32 res1    :  1;   /* reserved zero */
+	__u32 slct    :  1;   /* solicited */
+	__u32 oflw    :  1;   /* overflow */
+	__u32 chn     :  1;   /* chained */
+	__u32 rsc     :  4;   /* reporting source code */
+	__u32 anc     :  1;   /* ancillary report */
+	__u32 res2    :  1;   /* reserved zero */
+	__u32 erc     :  6;   /* error-recovery code */
+	__u32 rsid    : 16;   /* reporting-source ID */
+} __attribute__ ((packed)) crw_t;
+
+//
+// CRW Entry
+//
+typedef struct _crwe {
+	crw_t  crw;
+	crw_t *crw_next;
+} __attribute__ ((packed)) crwe_t;
+
+typedef struct _mchchk_queue_element {
+	spinlock_t                   lock;
+	unsigned int                 status;
+	mcic_t                       mcic;
+	crwe_t                      *crwe;		/* CRW if applicable */
+	struct mchchk_queue_element *next;
+	struct mchchk_queue_element *prev;
+} mchchk_queue_element_t;
+
+#define MCHCHK_STATUS_TO_PROCESS    0x00000001
+#define MCHCHK_STATUS_IN_PROGRESS   0x00000002
+#define MCHCHK_STATUS_WAITING       0x00000004
+
+void        s390_init_machine_check   ( void );
+void __init s390_do_machine_check     ( void );
+void __init s390_machine_check_handler( struct semaphore * );
+
+#endif /* __s390mach */