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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/s390/include/asm/cpu_mf.h
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@@ -12,6 +12,8 @@
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 #include <linux/errno.h>
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 #include <asm/facility.h>
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+asm(".include \"asm/cpu_mf-insn.h\"\n");
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+
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 #define CPU_MF_INT_SF_IAE	(1 << 31)	/* invalid entry address */
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 #define CPU_MF_INT_SF_ISE	(1 << 30)	/* incorrect SDBT entry */
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 #define CPU_MF_INT_SF_PRA	(1 << 29)	/* program request alert */
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@@ -25,6 +27,8 @@
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 #define CPU_MF_INT_SF_MASK	(CPU_MF_INT_SF_IAE|CPU_MF_INT_SF_ISE|	\
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 				 CPU_MF_INT_SF_PRA|CPU_MF_INT_SF_SACA|	\
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 				 CPU_MF_INT_SF_LSDA)
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+
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+#define CPU_MF_SF_RIBM_NOTAV	0x1		/* Sampling unavailable */
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 /* CPU measurement facility support */
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 static inline int cpum_cf_avail(void)
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@@ -67,8 +71,9 @@
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 	unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/
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 	unsigned long tear;	    /* 24-31: TEAR contents		 */
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 	unsigned long dear;	    /* 32-39: DEAR contents		 */
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-	unsigned int rsvrd0;	    /* 40-43: reserved			 */
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-	unsigned int cpu_speed;     /* 44-47: CPU speed 		 */
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+	unsigned int rsvrd0:24;	    /* 40-42: reserved			 */
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+	unsigned int ribm:8;	    /* 43: Reserved by IBM		 */
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+	unsigned int cpu_speed;     /* 44-47: CPU speed			 */
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 	unsigned long long rsvrd1;  /* 48-55: reserved			 */
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 	unsigned long long rsvrd2;  /* 56-63: reserved			 */
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 } __packed;
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@@ -87,10 +92,10 @@
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 	unsigned long tear;	    /* 16-23: TEAR contents		 */
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 	unsigned long dear;	    /* 24-31: DEAR contents		 */
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 	/* 32-63:							 */
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-	unsigned long rsvrd1;	    /* reserved 			 */
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-	unsigned long rsvrd2;	    /* reserved 			 */
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-	unsigned long rsvrd3;	    /* reserved 			 */
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-	unsigned long rsvrd4;	    /* reserved 			 */
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+	unsigned long rsvrd1;	    /* reserved				 */
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+	unsigned long rsvrd2;	    /* reserved				 */
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+	unsigned long rsvrd3;	    /* reserved				 */
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+	unsigned long rsvrd4;	    /* reserved				 */
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 } __packed;
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 struct hws_basic_entry {
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@@ -209,17 +214,26 @@
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 	return cc;
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 }
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-/* Store CPU counter multiple for the MT utilization counter set */
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-static inline int stcctm5(u64 num, u64 *val)
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+/* Store CPU counter multiple for a particular counter set */
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+enum stcctm_ctr_set {
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+	EXTENDED = 0,
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+	BASIC = 1,
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+	PROBLEM_STATE = 2,
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+	CRYPTO_ACTIVITY = 3,
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+	MT_DIAG = 5,
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+	MT_DIAG_CLEARING = 9,	/* clears loss-of-MT-ctr-data alert */
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+};
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+
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+static __always_inline int stcctm(enum stcctm_ctr_set set, u64 range, u64 *dest)
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 {
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 	int cc;
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 	asm volatile (
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-		"	.insn	rsy,0xeb0000000017,%2,5,%1\n"
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+		"	STCCTM	%2,%3,%1\n"
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 		"	ipm	%0\n"
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 		"	srl	%0,28\n"
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 		: "=d" (cc)
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-		: "Q" (*val), "d" (num)
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+		: "Q" (*dest), "d" (range), "i" (set)
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 		: "cc", "memory");
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 	return cc;
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 }
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@@ -299,7 +313,7 @@
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 	return (unsigned long *) ret;
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 }
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-/* Return if the entry in the sample data block table (sdbt)
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+/* Return true if the entry in the sample data block table (sdbt)
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  * is a link to the next sdbt */
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 static inline int is_link_entry(unsigned long *s)
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 {