hostcpu: Implement virHostCPUGetSignature for s390

Signed-off-by: Jiri Denemark <[email protected]>
Reviewed-by: Ján Tomko <[email protected]>
Reviewed-by: Boris Fiuczynski <[email protected]>

Author: Jiri Denemark

Diff for: src/util/virhostcpu.c

@@ -1430,8 +1430,10 @@ virHostCPUReadSignature(virArch arch,
     g_autofree char *model = NULL;
     g_autofree char *stepping = NULL;
     g_autofree char *revision = NULL;
+    g_autofree char *proc = NULL;
+    g_autofree char *facilities = NULL;
 
-    if (!ARCH_IS_X86(arch) && !ARCH_IS_PPC64(arch))
+    if (!ARCH_IS_X86(arch) && !ARCH_IS_PPC64(arch) && !ARCH_IS_S390(arch))
         return 0;
 
     while (fgets(line, lineLen, cpuinfo)) {
@@ -1479,6 +1481,23 @@ virHostCPUReadSignature(virArch arch,
                 *signature = g_strdup_printf("%s, rev %s", name, revision);
                 return 0;
             }
+        } else if (ARCH_IS_S390(arch)) {
+            if (STREQ(parts[0], "vendor_id")) {
+                if (!vendor)
+                    vendor = g_steal_pointer(&parts[1]);
+            } else if (STREQ(parts[0], "processor 0")) {
+                if (!proc)
+                    proc = g_steal_pointer(&parts[1]);
+            } else if (STREQ(parts[0], "facilities")) {
+                if (!facilities)
+                    facilities = g_steal_pointer(&parts[1]);
+            }
+
+            if (vendor && proc && facilities) {
+                *signature = g_strdup_printf("%s, %s, facilities: %s",
+                                             vendor, proc, facilities);
+                return 0;
+            }
         }
     }
 

Diff for: tests/virhostcpudata/linux-s390x-with-frequency.signature

@@ -0,0 +1 @@
+IBM/S390, version = 00,  identification = 145F07,  machine = 2964, facilities: 0 1 2 3 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 33 34 35 36 37 40 41 42 43 44 45 46 47 48 49 50 51 52 53 55 57 64 65 66 67 68 69 70 71 72 73 75 76 77 78 80 128 129 131 132 142 143