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[PATCH] s390: add vmcp interface

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Add interface to issue VM control program commands.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christian Borntraeger
2005-06-25 14:55:32 -07:00
committed by Linus Torvalds
parent 77fa22450d
commit 6b979de395
15 changed files with 359 additions and 66 deletions
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6
arch/s390/kernel/smp.c
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@@ -284,7 +284,7 @@ static void do_machine_restart(void * __unused)
* locks are always held disabled).
*/
if (MACHINE_IS_VM)
cpcmd ("IPL", NULL, 0);
cpcmd ("IPL", NULL, 0, NULL);
else
reipl (0x10000 | S390_lowcore.ipl_device);
}
@@ -313,7 +313,7 @@ static void do_machine_halt(void * __unused)
if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) {
smp_send_stop();
if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0)
cpcmd(vmhalt_cmd, NULL, 0);
cpcmd(vmhalt_cmd, NULL, 0, NULL);
signal_processor(smp_processor_id(),
sigp_stop_and_store_status);
}
@@ -332,7 +332,7 @@ static void do_machine_power_off(void * __unused)
if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) {
smp_send_stop();
if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0)
cpcmd(vmpoff_cmd, NULL, 0);
cpcmd(vmpoff_cmd, NULL, 0, NULL);
signal_processor(smp_processor_id(),
sigp_stop_and_store_status);
}