patch-2.4.2 linux/include/asm-s390/s390mach.h

• Lines: 103
• Date: Tue Feb 13 14:13:44 2001
• Orig file: v2.4.1/linux/include/asm-s390/s390mach.h
• Orig date: Fri May 12 11:41:44 2000

diff -u --recursive --new-file v2.4.1/linux/include/asm-s390/s390mach.h linux/include/asm-s390/s390mach.h
@@ -12,14 +12,21 @@
 
 #include <asm/types.h>
 
-//
-// machine-check-interruption code
-//
-typedef struct _mcic {
+typedef struct _mci {
 	__u32	to_be_defined_1 :  9;
 	__u32 cp              :  1; /* channel-report pending */
 	__u32	to_be_defined_2 : 22;
 	__u32	to_be_defined_3;
+	} mci_t;
+
+//
+// machine-check-interruption code
+//
+typedef struct _mcic {
+   union _mcc {
+      __u64 mcl;	/* machine check int. code - long info */	
+      mci_t mcd;  /* machine check int. code - details   */
+   } mcc;
 } __attribute__ ((packed)) mcic_t;
 
 //
@@ -37,29 +44,63 @@
 	__u32 rsid    : 16;   /* reporting-source ID */
 } __attribute__ ((packed)) crw_t;
 
+#define CRW_RSC_MONITOR  0x2  /* monitoring facility */
+#define CRW_RSC_SCH      0x3  /* subchannel */
+#define CRW_RSC_CPATH    0x4  /* channel path */
+#define CRW_RSC_CONFIG   0x9  /* configuration-alert facility */
+#define CRW_RSC_CSS      0xB  /* channel subsystem */
+
+#define CRW_ERC_EVENT    0x00 /* event information pending */
+#define CRW_ERC_AVAIL    0x01 /* available */
+#define CRW_ERC_INIT     0x02 /* initialized */
+#define CRW_ERC_TERROR   0x03 /* temporary error */
+#define CRW_ERC_IPARM    0x04 /* installed parm initialized */
+#define CRW_ERC_TERM     0x05 /* terminal */
+#define CRW_ERC_PERRN    0x06 /* perm. error, fac. not init */
+#define CRW_ERC_PERRI    0x07 /* perm. error, facility init */
+#define CRW_ERC_PMOD     0x08 /* installed parameters modified */
+
+#define MAX_CRW_PENDING  1024
+#define MAX_MACH_PENDING 1024
+
 //
 // CRW Entry
 //
 typedef struct _crwe {
-	crw_t  crw;
-	crw_t *crw_next;
+	crw_t   crw;
+	struct _crwe *crwe_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;
+typedef struct _mache {
+	spinlock_t     lock;
+	unsigned int   status;
+	mcic_t         mcic;
+	union _mc {
+	   crwe_t     *crwe;		/* CRW if applicable */
+   } mc;
+	struct _mache *next;
+	struct _mache *prev;
+} mache_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 * );
+void s390_init_machine_check( void );
+void s390_do_machine_check  ( void );
+void s390_do_crw_pending    ( crwe_t *pcrwe );
+
+extern __inline__ int stcrw( __u32 *pcrw )
+{
+        int ccode;
+
+        __asm__ __volatile__(
+                "STCRW 0(%1)\n\t"
+                "IPM %0\n\t"
+                "SRL %0,28\n\t"
+                : "=d" (ccode) : "a" (pcrw)
+                : "cc", "1" );
+        return ccode;
+}
 
 #endif /* __s390mach */