1 files changed, 35 insertions, 3 deletions

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 863c8d08c02..3dfd0985861 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -285,6 +285,26 @@ static void __init conmode_default(void)
         }
 }
 
+#if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE)
+static void __init setup_zfcpdump(unsigned int console_devno)
+{
+        static char str[64];
+
+        if (ipl_info.type != IPL_TYPE_FCP_DUMP)
+                return;
+        if (console_devno != -1)
+                sprintf(str, "cio_ignore=all,!0.0.%04x,!0.0.%04x",
+                        ipl_info.data.fcp.dev_id.devno, console_devno);
+        else
+                sprintf(str, "cio_ignore=all,!0.0.%04x",
+                        ipl_info.data.fcp.dev_id.devno);
+        strcat(COMMAND_LINE, str);
+        console_loglevel = 2;
+}
+#else
+static inline void setup_zfcpdump(unsigned int console_devno) {}
+#endif /* CONFIG_ZFCPDUMP */
+
 #ifdef CONFIG_SMP
 void (*_machine_restart)(char *command) = machine_restart_smp;
 void (*_machine_halt)(void) = machine_halt_smp;
@@ -586,13 +606,20 @@ setup_resources(void)
         }
 }
 
+unsigned long real_memory_size;
+EXPORT_SYMBOL_GPL(real_memory_size);
+
 static void __init setup_memory_end(void)
 {
-        unsigned long real_size, memory_size;
+        unsigned long memory_size;
         unsigned long max_mem, max_phys;
         int i;
 
-        memory_size = real_size = 0;
+#if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE)
+        if (ipl_info.type == IPL_TYPE_FCP_DUMP)
+                memory_end = ZFCPDUMP_HSA_SIZE;
+#endif
+        memory_size = 0;
         max_phys = VMALLOC_END_INIT - VMALLOC_MIN_SIZE;
         memory_end &= PAGE_MASK;
 
@@ -601,7 +628,8 @@ static void __init setup_memory_end(void)
         for (i = 0; i < MEMORY_CHUNKS; i++) {
                 struct mem_chunk *chunk = &memory_chunk[i];
 
-                real_size = max(real_size, chunk->addr + chunk->size);
+                real_memory_size = max(real_memory_size,
+                                       chunk->addr + chunk->size);
                 if (chunk->addr >= max_mem) {
                         memset(chunk, 0, sizeof(*chunk));
                         continue;
@@ -765,6 +793,7 @@ setup_arch(char **cmdline_p)
 
         parse_early_param();
 
+        setup_ipl_info();
         setup_memory_end();
         setup_addressing_mode();
         setup_memory();
@@ -782,6 +811,9 @@ setup_arch(char **cmdline_p)
 
         /* Setup default console */
         conmode_default();
+
+        /* Setup zfcpdump support */
+        setup_zfcpdump(console_devno);
 }
 
 void print_cpu_info(struct cpuinfo_S390 *cpuinfo)