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hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/arch/s390/include/asm/cpu_mf.h
....@@ -12,6 +12,8 @@
1212 #include <linux/errno.h>
1313 #include <asm/facility.h>
1414 
15
+asm(".include \"asm/cpu_mf-insn.h\"\n");
16
+
1517 #define CPU_MF_INT_SF_IAE	(1 << 31)	/* invalid entry address */
1618 #define CPU_MF_INT_SF_ISE	(1 << 30)	/* incorrect SDBT entry */
1719 #define CPU_MF_INT_SF_PRA	(1 << 29)	/* program request alert */
....@@ -25,6 +27,8 @@
2527 #define CPU_MF_INT_SF_MASK	(CPU_MF_INT_SF_IAE|CPU_MF_INT_SF_ISE|	\
2628 				 CPU_MF_INT_SF_PRA|CPU_MF_INT_SF_SACA|	\
2729 				 CPU_MF_INT_SF_LSDA)
30
+
31
+#define CPU_MF_SF_RIBM_NOTAV	0x1		/* Sampling unavailable */
2832 
2933 /* CPU measurement facility support */
3034 static inline int cpum_cf_avail(void)
....@@ -67,8 +71,9 @@
6771 	unsigned long max_sampl_rate; /* 16-23: maximum sampling interval*/
6872 	unsigned long tear;	    /* 24-31: TEAR contents		 */
6973 	unsigned long dear;	    /* 32-39: DEAR contents		 */
70
-	unsigned int rsvrd0;	    /* 40-43: reserved			 */
71
-	unsigned int cpu_speed;     /* 44-47: CPU speed 		 */
74
+	unsigned int rsvrd0:24;	    /* 40-42: reserved			 */
75
+	unsigned int ribm:8;	    /* 43: Reserved by IBM		 */
76
+	unsigned int cpu_speed;     /* 44-47: CPU speed			 */
7277 	unsigned long long rsvrd1;  /* 48-55: reserved			 */
7378 	unsigned long long rsvrd2;  /* 56-63: reserved			 */
7479 } __packed;
....@@ -87,10 +92,10 @@
8792 	unsigned long tear;	    /* 16-23: TEAR contents		 */
8893 	unsigned long dear;	    /* 24-31: DEAR contents		 */
8994 	/* 32-63:							 */
90
-	unsigned long rsvrd1;	    /* reserved 			 */
91
-	unsigned long rsvrd2;	    /* reserved 			 */
92
-	unsigned long rsvrd3;	    /* reserved 			 */
93
-	unsigned long rsvrd4;	    /* reserved 			 */
95
+	unsigned long rsvrd1;	    /* reserved				 */
96
+	unsigned long rsvrd2;	    /* reserved				 */
97
+	unsigned long rsvrd3;	    /* reserved				 */
98
+	unsigned long rsvrd4;	    /* reserved				 */
9499 } __packed;
95100 
96101 struct hws_basic_entry {
....@@ -123,19 +128,21 @@
123128 	struct hws_diag_entry	diag;	/* Diagnostic-sampling data entry */
124129 } __packed;
125130 
126
-struct hws_trailer_entry {
127
-	union {
128
-		struct {
129
-			unsigned int f:1;	/* 0 - Block Full Indicator   */
130
-			unsigned int a:1;	/* 1 - Alert request control  */
131
-			unsigned int t:1;	/* 2 - Timestamp format	      */
132
-			unsigned int :29;	/* 3 - 31: Reserved	      */
133
-			unsigned int bsdes:16;	/* 32-47: size of basic SDE   */
134
-			unsigned int dsdes:16;	/* 48-63: size of diagnostic SDE */
135
-		};
136
-		unsigned long long flags;	/* 0 - 63: All indicators     */
131
+union hws_trailer_header {
132
+	struct {
133
+		unsigned int f:1;	/* 0 - Block Full Indicator   */
134
+		unsigned int a:1;	/* 1 - Alert request control  */
135
+		unsigned int t:1;	/* 2 - Timestamp format	      */
136
+		unsigned int :29;	/* 3 - 31: Reserved	      */
137
+		unsigned int bsdes:16;	/* 32-47: size of basic SDE   */
138
+		unsigned int dsdes:16;	/* 48-63: size of diagnostic SDE */
139
+		unsigned long long overflow; /* 64 - Overflow Count   */
137140 	};
138
-	unsigned long long overflow;	 /* 64 - sample Overflow count	      */
141
+	__uint128_t val;
142
+};
143
+
144
+struct hws_trailer_entry {
145
+	union hws_trailer_header header; /* 0 - 15 Flags + Overflow Count     */
139146 	unsigned char timestamp[16];	 /* 16 - 31 timestamp		      */
140147 	unsigned long long reserved1;	 /* 32 -Reserved		      */
141148 	unsigned long long reserved2;	 /*				      */
....@@ -209,17 +216,26 @@
209216 	return cc;
210217 }
211218 
212
-/* Store CPU counter multiple for the MT utilization counter set */
213
-static inline int stcctm5(u64 num, u64 *val)
219
+/* Store CPU counter multiple for a particular counter set */
220
+enum stcctm_ctr_set {
221
+	EXTENDED = 0,
222
+	BASIC = 1,
223
+	PROBLEM_STATE = 2,
224
+	CRYPTO_ACTIVITY = 3,
225
+	MT_DIAG = 5,
226
+	MT_DIAG_CLEARING = 9,	/* clears loss-of-MT-ctr-data alert */
227
+};
228
+
229
+static __always_inline int stcctm(enum stcctm_ctr_set set, u64 range, u64 *dest)
214230 {
215231 	int cc;
216232 
217233 	asm volatile (
218
-		"	.insn	rsy,0xeb0000000017,%2,5,%1\n"
234
+		"	STCCTM	%2,%3,%1\n"
219235 		"	ipm	%0\n"
220236 		"	srl	%0,28\n"
221237 		: "=d" (cc)
222
-		: "Q" (*val), "d" (num)
238
+		: "Q" (*dest), "d" (range), "i" (set)
223239 		: "cc", "memory");
224240 	return cc;
225241 }
....@@ -273,14 +289,11 @@
273289 	return USEC_PER_SEC * qsi->cpu_speed / rate;
274290 }
275291 
276
-#define SDB_TE_ALERT_REQ_MASK	0x4000000000000000UL
277
-#define SDB_TE_BUFFER_FULL_MASK 0x8000000000000000UL
278
-
279292 /* Return TOD timestamp contained in an trailer entry */
280293 static inline unsigned long long trailer_timestamp(struct hws_trailer_entry *te)
281294 {
282295 	/* TOD in STCKE format */
283
-	if (te->t)
296
+	if (te->header.t)
284297 		return *((unsigned long long *) &te->timestamp[1]);
285298 
286299 	/* TOD in STCK format */
....@@ -299,7 +312,7 @@
299312 	return (unsigned long *) ret;
300313 }
301314 
302
-/* Return if the entry in the sample data block table (sdbt)
315
+/* Return true if the entry in the sample data block table (sdbt)
303316  * is a link to the next sdbt */
304317 static inline int is_link_entry(unsigned long *s)
305318 {