aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/kernel/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/setup.c')
-rw-r--r--arch/s390/kernel/setup.c103
1 files changed, 1 insertions, 102 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index cbdf3fb05e81..fcebf645618a 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -126,75 +126,6 @@ void __cpuinit cpu_init(void)
126} 126}
127 127
128/* 128/*
129 * VM halt and poweroff setup routines
130 */
131char vmhalt_cmd[128] = "";
132char vmpoff_cmd[128] = "";
133static char vmpanic_cmd[128] = "";
134
135static void strncpy_skip_quote(char *dst, char *src, int n)
136{
137 int sx, dx;
138
139 dx = 0;
140 for (sx = 0; src[sx] != 0; sx++) {
141 if (src[sx] == '"') continue;
142 dst[dx++] = src[sx];
143 if (dx >= n) break;
144 }
145}
146
147static int __init vmhalt_setup(char *str)
148{
149 strncpy_skip_quote(vmhalt_cmd, str, 127);
150 vmhalt_cmd[127] = 0;
151 return 1;
152}
153
154__setup("vmhalt=", vmhalt_setup);
155
156static int __init vmpoff_setup(char *str)
157{
158 strncpy_skip_quote(vmpoff_cmd, str, 127);
159 vmpoff_cmd[127] = 0;
160 return 1;
161}
162
163__setup("vmpoff=", vmpoff_setup);
164
165static int vmpanic_notify(struct notifier_block *self, unsigned long event,
166 void *data)
167{
168 if (MACHINE_IS_VM && strlen(vmpanic_cmd) > 0)
169 cpcmd(vmpanic_cmd, NULL, 0, NULL);
170
171 return NOTIFY_OK;
172}
173
174#define PANIC_PRI_VMPANIC 0
175
176static struct notifier_block vmpanic_nb = {
177 .notifier_call = vmpanic_notify,
178 .priority = PANIC_PRI_VMPANIC
179};
180
181static int __init vmpanic_setup(char *str)
182{
183 static int register_done __initdata = 0;
184
185 strncpy_skip_quote(vmpanic_cmd, str, 127);
186 vmpanic_cmd[127] = 0;
187 if (!register_done) {
188 register_done = 1;
189 atomic_notifier_chain_register(&panic_notifier_list,
190 &vmpanic_nb);
191 }
192 return 1;
193}
194
195__setup("vmpanic=", vmpanic_setup);
196
197/*
198 * condev= and conmode= setup parameter. 129 * condev= and conmode= setup parameter.
199 */ 130 */
200 131
@@ -308,38 +239,6 @@ static void __init setup_zfcpdump(unsigned int console_devno)
308static inline void setup_zfcpdump(unsigned int console_devno) {} 239static inline void setup_zfcpdump(unsigned int console_devno) {}
309#endif /* CONFIG_ZFCPDUMP */ 240#endif /* CONFIG_ZFCPDUMP */
310 241
311#ifdef CONFIG_SMP
312void (*_machine_restart)(char *command) = machine_restart_smp;
313void (*_machine_halt)(void) = machine_halt_smp;
314void (*_machine_power_off)(void) = machine_power_off_smp;
315#else
316/*
317 * Reboot, halt and power_off routines for non SMP.
318 */
319static void do_machine_restart_nonsmp(char * __unused)
320{
321 do_reipl();
322}
323
324static void do_machine_halt_nonsmp(void)
325{
326 if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0)
327 __cpcmd(vmhalt_cmd, NULL, 0, NULL);
328 signal_processor(smp_processor_id(), sigp_stop_and_store_status);
329}
330
331static void do_machine_power_off_nonsmp(void)
332{
333 if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0)
334 __cpcmd(vmpoff_cmd, NULL, 0, NULL);
335 signal_processor(smp_processor_id(), sigp_stop_and_store_status);
336}
337
338void (*_machine_restart)(char *command) = do_machine_restart_nonsmp;
339void (*_machine_halt)(void) = do_machine_halt_nonsmp;
340void (*_machine_power_off)(void) = do_machine_power_off_nonsmp;
341#endif
342
343 /* 242 /*
344 * Reboot, halt and power_off stubs. They just call _machine_restart, 243 * Reboot, halt and power_off stubs. They just call _machine_restart,
345 * _machine_halt or _machine_power_off. 244 * _machine_halt or _machine_power_off.
@@ -913,7 +812,7 @@ setup_arch(char **cmdline_p)
913 812
914 parse_early_param(); 813 parse_early_param();
915 814
916 setup_ipl_info(); 815 setup_ipl();
917 setup_memory_end(); 816 setup_memory_end();
918 setup_addressing_mode(); 817 setup_addressing_mode();
919 setup_memory(); 818 setup_memory();