[S390] stp support.

Add support for clock synchronization with the server time protocol.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 42 insertions, 3 deletions

diff --git a/include/asm-s390/etr.h b/include/asm-s390/etr.h
index b498f19bb9a7..80ef58c61970 100644
--- a/include/asm-s390/etr.h
+++ b/include/asm-s390/etr.h
@@ -122,7 +122,7 @@ struct etr_aib {
 } __attribute__ ((packed,aligned(8)));
 
 /* ETR interruption parameter */
-struct etr_interruption_parameter {
+struct etr_irq_parm {
         unsigned int _pad0      : 8;
         unsigned int pc0        : 1;    /* port 0 state change */
         unsigned int pc1        : 1;    /* port 1 state change */
@@ -213,7 +213,46 @@ static inline int etr_ptff(void *ptff_block, unsigned int func)
 #define ETR_PTFF_SGS    0x43    /* set gross steering rate */
 
 /* Functions needed by the machine check handler */
-extern void etr_switch_to_local(void);
-extern void etr_sync_check(void);
+void etr_switch_to_local(void);
+void etr_sync_check(void);
+
+/* STP interruption parameter */
+struct stp_irq_parm {
+        unsigned int _pad0      : 14;
+        unsigned int tsc        : 1;    /* Timing status change */
+        unsigned int lac        : 1;    /* Link availability change */
+        unsigned int tcpc       : 1;    /* Time control parameter change */
+        unsigned int _pad2      : 15;
+} __attribute__ ((packed));
+
+#define STP_OP_SYNC     1
+#define STP_OP_CTRL     3
+
+struct stp_sstpi {
+        unsigned int rsvd0;
+        unsigned int rsvd1 : 8;
+        unsigned int stratum : 8;
+        unsigned int vbits : 16;
+        unsigned int leaps : 16;
+        unsigned int tmd : 4;
+        unsigned int ctn : 4;
+        unsigned int rsvd2 : 3;
+        unsigned int c : 1;
+        unsigned int tst : 4;
+        unsigned int tzo : 16;
+        unsigned int dsto : 16;
+        unsigned int ctrl : 16;
+        unsigned int rsvd3 : 16;
+        unsigned int tto;
+        unsigned int rsvd4;
+        unsigned int ctnid[3];
+        unsigned int rsvd5;
+        unsigned int todoff[4];
+        unsigned int rsvd6[48];
+} __attribute__ ((packed));
+
+/* Functions needed by the machine check handler */
+void stp_sync_check(void);
+void stp_island_check(void);
 
 #endif /* __S390_ETR_H */