[for-2.8,22/38] s390x/sclp: factor out preparation of cpu entries

Commit Message

Cornelia Huck Aug. 29, 2016, 11:45 a.m. UTC

From: David Hildenbrand <[e-mail]>

Let's factor out the common code of "read cpu info" and "read scp
info". This will make the introduction of new cpu entry fields easier.

Acked-by: Cornelia Huck <[e-mail]>
Signed-off-by: David Hildenbrand <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Cornelia Huck <[e-mail]>
---
 hw/s390x/sclp.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

Patch

diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index 540226c..e88521c 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -34,6 +34,16 @@  static inline SCLPDevice *get_sclp_device(void)
     return sclp;
 }
 
+static void prepare_cpu_entries(SCLPDevice *sclp, CPUEntry *entry, int count)
+{
+    int i;
+
+    for (i = 0; i < count; i++) {
+        entry[i].address = i;
+        entry[i].type = 0;
+    }
+}
+
 /* Provide information about the configuration, CPUs and storage */
 static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
 {
@@ -42,7 +52,6 @@  static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
     sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
     CPUState *cpu;
     int cpu_count = 0;
-    int i = 0;
     int rnsize, rnmax;
     int slots = MIN(machine->ram_slots, s390_get_memslot_count(kvm_state));
 
@@ -55,10 +64,7 @@  static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
     read_info->offset_cpu = cpu_to_be16(offsetof(ReadInfo, entries));
     read_info->highest_cpu = cpu_to_be16(max_cpus);
 
-    for (i = 0; i < cpu_count; i++) {
-        read_info->entries[i].address = i;
-        read_info->entries[i].type = 0;
-    }
+    prepare_cpu_entries(sclp, read_info->entries, cpu_count);
 
     read_info->facilities = cpu_to_be64(SCLP_HAS_CPU_INFO |
                                         SCLP_HAS_PCI_RECONFIG);
@@ -309,7 +315,6 @@  static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)
     ReadCpuInfo *cpu_info = (ReadCpuInfo *) sccb;
     CPUState *cpu;
     int cpu_count = 0;
-    int i = 0;
 
     CPU_FOREACH(cpu) {
         cpu_count++;
@@ -323,10 +328,7 @@  static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)
     cpu_info->offset_standby = cpu_to_be16(cpu_info->offset_configured
         + cpu_info->nr_configured*sizeof(CPUEntry));
 
-    for (i = 0; i < cpu_count; i++) {
-        cpu_info->entries[i].address = i;
-        cpu_info->entries[i].type = 0;
-    }
+    prepare_cpu_entries(sclp, cpu_info->entries, cpu_count);
 
     sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
 }