[S390] topology: move topology sysinfo code

Move the topology sysinfo SYSIB definitions to the proper place in
asm/sysinfo.h where they should be.

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

diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index c2ece4d..79d3d6e 100644 (file)
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -14,6 +14,8 @@
 #ifndef __ASM_S390_SYSINFO_H
 #define __ASM_S390_SYSINFO_H
 
+#include <asm/bitsperlong.h>
+
 struct sysinfo_1_1_1 {
        unsigned short :16;
        unsigned char ccr;
@@ -107,6 +109,39 @@ struct sysinfo_3_2_2 {
        char reserved_544[3552];
 };
 
+#define TOPOLOGY_CPU_BITS      64
+#define TOPOLOGY_NR_MAG                6
+
+struct topology_cpu {
+       unsigned char reserved0[4];
+       unsigned char :6;
+       unsigned char pp:2;
+       unsigned char reserved1;
+       unsigned short origin;
+       unsigned long mask[TOPOLOGY_CPU_BITS / BITS_PER_LONG];
+};
+
+struct topology_container {
+       unsigned char reserved[7];
+       unsigned char id;
+};
+
+union topology_entry {
+       unsigned char nl;
+       struct topology_cpu cpu;
+       struct topology_container container;
+};
+
+struct sysinfo_15_1_x {
+       unsigned char reserved0[2];
+       unsigned short length;
+       unsigned char mag[TOPOLOGY_NR_MAG];
+       unsigned char reserved1;
+       unsigned char mnest;
+       unsigned char reserved2[4];
+       union topology_entry tle[0];
+};
+
 static inline int stsi(void *sysinfo, int fc, int sel1, int sel2)
 {
        register int r0 asm("0") = (fc << 28) | sel1;

diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 6900441..ffea01e 100644 (file)
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -20,43 +20,10 @@
 #include <asm/s390_ext.h>
 #include <asm/sysinfo.h>
 
-#define CPU_BITS 64
-#define NR_MAG 6
-
 #define PTF_HORIZONTAL (0UL)
 #define PTF_VERTICAL   (1UL)
 #define PTF_CHECK      (2UL)
 
-struct tl_cpu {
-       unsigned char reserved0[4];
-       unsigned char :6;
-       unsigned char pp:2;
-       unsigned char reserved1;
-       unsigned short origin;
-       unsigned long mask[CPU_BITS / BITS_PER_LONG];
-};
-
-struct tl_container {
-       unsigned char reserved[7];
-       unsigned char id;
-};
-
-union tl_entry {
-       unsigned char nl;
-       struct tl_cpu cpu;
-       struct tl_container container;
-};
-
-struct tl_info {
-       unsigned char reserved0[2];
-       unsigned short length;
-       unsigned char mag[NR_MAG];
-       unsigned char reserved1;
-       unsigned char mnest;
-       unsigned char reserved2[4];
-       union tl_entry tle[0];
-};
-
 struct mask_info {
        struct mask_info *next;
        unsigned char id;
@@ -65,7 +32,7 @@ struct mask_info {
 
 static int topology_enabled = 1;
 static void topology_work_fn(struct work_struct *work);
-static struct tl_info *tl_info;
+static struct sysinfo_15_1_x *tl_info;
 static struct timer_list topology_timer;
 static void set_topology_timer(void);
 static DECLARE_WORK(topology_work, topology_work_fn);
@@ -101,18 +68,18 @@ static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu)
        return mask;
 }
 
-static void add_cpus_to_mask(struct tl_cpu *tl_cpu, struct mask_info *book,
-                            struct mask_info *core)
+static void add_cpus_to_mask(struct topology_cpu *tl_cpu,
+                            struct mask_info *book, struct mask_info *core)
 {
        unsigned int cpu;
 
-       for (cpu = find_first_bit(&tl_cpu->mask[0], CPU_BITS);
-            cpu < CPU_BITS;
-            cpu = find_next_bit(&tl_cpu->mask[0], CPU_BITS, cpu + 1))
+       for (cpu = find_first_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS);
+            cpu < TOPOLOGY_CPU_BITS;
+            cpu = find_next_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS, cpu + 1))
        {
                unsigned int rcpu, lcpu;
 
-               rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin;
+               rcpu = TOPOLOGY_CPU_BITS - 1 - cpu + tl_cpu->origin;
                for_each_present_cpu(lcpu) {
                        if (cpu_logical_map(lcpu) != rcpu)
                                continue;
@@ -145,15 +112,14 @@ static void clear_masks(void)
 #endif
 }
 
-static union tl_entry *next_tle(union tl_entry *tle)
+static union topology_entry *next_tle(union topology_entry *tle)
 {
-       if (tle->nl)
-               return (union tl_entry *)((struct tl_container *)tle + 1);
-       else
-               return (union tl_entry *)((struct tl_cpu *)tle + 1);
+       if (!tle->nl)
+               return (union topology_entry *)((struct topology_cpu *)tle + 1);
+       return (union topology_entry *)((struct topology_container *)tle + 1);
 }
 
-static void tl_to_cores(struct tl_info *info)
+static void tl_to_cores(struct sysinfo_15_1_x *info)
 {
 #ifdef CONFIG_SCHED_BOOK
        struct mask_info *book = &book_info;
@@ -161,13 +127,13 @@ static void tl_to_cores(struct tl_info *info)
        struct mask_info *book = NULL;
 #endif
        struct mask_info *core = &core_info;
-       union tl_entry *tle, *end;
+       union topology_entry *tle, *end;
 
 
        spin_lock_irq(&topology_lock);
        clear_masks();
        tle = info->tle;
-       end = (union tl_entry *)((unsigned long)info + info->length);
+       end = (union topology_entry *)((unsigned long)info + info->length);
        while (tle < end) {
                switch (tle->nl) {
 #ifdef CONFIG_SCHED_BOOK
@@ -263,7 +229,7 @@ static void store_topology(struct tl_info *info)
 
 int arch_update_cpu_topology(void)
 {
-       struct tl_info *info = tl_info;
+       struct sysinfo_15_1_x *info = tl_info;
        struct sys_device *sysdev;
        int cpu;
 
@@ -333,13 +299,14 @@ out:
 }
 __initcall(init_topology_update);
 
-static void alloc_masks(struct tl_info *info, struct mask_info *mask, int offset)
+static void alloc_masks(struct sysinfo_15_1_x *info, struct mask_info *mask,
+                       int offset)
 {
        int i, nr_masks;
 
-       nr_masks = info->mag[NR_MAG - offset];
+       nr_masks = info->mag[TOPOLOGY_NR_MAG - offset];
        for (i = 0; i < info->mnest - offset; i++)
-               nr_masks *= info->mag[NR_MAG - offset - 1 - i];
+               nr_masks *= info->mag[TOPOLOGY_NR_MAG - offset - 1 - i];
        nr_masks = max(nr_masks, 1);
        for (i = 0; i < nr_masks; i++) {
                mask->next = alloc_bootmem(sizeof(struct mask_info));
@@ -349,7 +316,7 @@ static void alloc_masks(struct tl_info *info, struct mask_info *mask, int offset
 
 void __init s390_init_cpu_topology(void)
 {
-       struct tl_info *info;
+       struct sysinfo_15_1_x *info;
        int i;
 
        if (!MACHINE_HAS_TOPOLOGY)
@@ -358,7 +325,7 @@ void __init s390_init_cpu_topology(void)
        info = tl_info;
        store_topology(info);
        pr_info("The CPU configuration topology of the machine is:");
-       for (i = 0; i < NR_MAG; i++)
+       for (i = 0; i < TOPOLOGY_NR_MAG; i++)
                printk(" %d", info->mag[i]);
        printk(" / %d\n", info->mnest);
        alloc_masks(info, &core_info, 2);