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-rw-r--r--arch/s390/include/asm/cpu_mf.h14
-rw-r--r--arch/s390/include/asm/reset.h3
-rw-r--r--arch/s390/include/asm/sclp.h5
-rw-r--r--arch/s390/include/asm/sigp.h1
-rw-r--r--arch/s390/include/asm/smp.h4
-rw-r--r--arch/s390/include/asm/sysinfo.h20
-rw-r--r--arch/s390/include/asm/topology.h4
7 files changed, 42 insertions, 9 deletions
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index cb700d54bd83..5243a8679a1d 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -189,6 +189,20 @@ static inline int ecctr(u64 ctr, u64 *val)
return cc;
}
+/* Store CPU counter multiple for the MT utilization counter set */
+static inline int stcctm5(u64 num, u64 *val)
+{
+ typedef struct { u64 _[num]; } addrtype;
+ int cc;
+
+ asm volatile (
+ " .insn rsy,0xeb0000000017,%2,5,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
+ : "=d" (cc), "=Q" (*(addrtype *) val) : "d" (num) : "cc");
+ return cc;
+}
+
/* Query sampling information */
static inline int qsi(struct hws_qsi_info_block *info)
{
diff --git a/arch/s390/include/asm/reset.h b/arch/s390/include/asm/reset.h
index 804578587a7a..72786067b300 100644
--- a/arch/s390/include/asm/reset.h
+++ b/arch/s390/include/asm/reset.h
@@ -15,5 +15,6 @@ struct reset_call {
extern void register_reset_call(struct reset_call *reset);
extern void unregister_reset_call(struct reset_call *reset);
-extern void s390_reset_system(void (*func)(void *), void *data);
+extern void s390_reset_system(void (*fn_pre)(void),
+ void (*fn_post)(void *), void *data);
#endif /* _ASM_S390_RESET_H */
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index b6f8066789c1..edb453cfc2c6 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -27,7 +27,7 @@ struct sclp_ipl_info {
};
struct sclp_cpu_entry {
- u8 address;
+ u8 core_id;
u8 reserved0[2];
u8 : 3;
u8 siif : 1;
@@ -51,6 +51,9 @@ int sclp_cpu_deconfigure(u8 cpu);
unsigned long long sclp_get_rnmax(void);
unsigned long long sclp_get_rzm(void);
unsigned int sclp_get_max_cpu(void);
+unsigned int sclp_get_mtid(u8 cpu_type);
+unsigned int sclp_get_mtid_max(void);
+unsigned int sclp_get_mtid_prev(void);
int sclp_sdias_blk_count(void);
int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
int sclp_chp_configure(struct chp_id chpid);
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index 49576115dbb7..c49d9c0483a8 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -15,6 +15,7 @@
#define SIGP_SET_ARCHITECTURE 18
#define SIGP_COND_EMERGENCY_SIGNAL 19
#define SIGP_SENSE_RUNNING 21
+#define SIGP_SET_MULTI_THREADING 22
#define SIGP_STORE_ADDITIONAL_STATUS 23
/* SIGP condition codes */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 762d4f88af5a..b3bd0282dd98 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -16,6 +16,8 @@
#define raw_smp_processor_id() (S390_lowcore.cpu_nr)
extern struct mutex smp_cpu_state_mutex;
+extern unsigned int smp_cpu_mt_shift;
+extern unsigned int smp_cpu_mtid;
extern int __cpu_up(unsigned int cpu, struct task_struct *tidle);
@@ -35,6 +37,8 @@ extern void smp_fill_possible_mask(void);
#else /* CONFIG_SMP */
+#define smp_cpu_mtid 0
+
static inline void smp_call_ipl_cpu(void (*func)(void *), void *data)
{
func(data);
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index f92428e459f8..73f12d21af4d 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -90,7 +90,11 @@ struct sysinfo_2_2_2 {
unsigned short cpus_reserved;
char name[8];
unsigned int caf;
- char reserved_2[16];
+ char reserved_2[8];
+ unsigned char mt_installed;
+ unsigned char mt_general;
+ unsigned char mt_psmtid;
+ char reserved_3[5];
unsigned short cpus_dedicated;
unsigned short cpus_shared;
};
@@ -120,26 +124,28 @@ struct sysinfo_3_2_2 {
extern int topology_max_mnest;
-#define TOPOLOGY_CPU_BITS 64
+#define TOPOLOGY_CORE_BITS 64
#define TOPOLOGY_NR_MAG 6
-struct topology_cpu {
- unsigned char reserved0[4];
+struct topology_core {
+ unsigned char nl;
+ unsigned char reserved0[3];
unsigned char :6;
unsigned char pp:2;
unsigned char reserved1;
unsigned short origin;
- unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG];
+ unsigned long mask[TOPOLOGY_CORE_BITS / BITS_PER_LONG];
};
struct topology_container {
- unsigned char reserved[7];
+ unsigned char nl;
+ unsigned char reserved[6];
unsigned char id;
};
union topology_entry {
unsigned char nl;
- struct topology_cpu cpu;
+ struct topology_core cpu;
struct topology_container container;
};
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 56af53093d24..c4fbb9527c5c 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -9,9 +9,11 @@ struct cpu;
#ifdef CONFIG_SCHED_BOOK
struct cpu_topology_s390 {
+ unsigned short thread_id;
unsigned short core_id;
unsigned short socket_id;
unsigned short book_id;
+ cpumask_t thread_mask;
cpumask_t core_mask;
cpumask_t book_mask;
};
@@ -19,6 +21,8 @@ struct cpu_topology_s390 {
extern struct cpu_topology_s390 cpu_topology[NR_CPUS];
#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
+#define topology_thread_id(cpu) (cpu_topology[cpu].thread_id)
+#define topology_thread_cpumask(cpu) (&cpu_topology[cpu].thread_mask)
#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask)
#define topology_book_id(cpu) (cpu_topology[cpu].book_id)