diff options
author | Michael Neuling <mikey@neuling.org> | 2010-04-28 13:39:41 (GMT) |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-06 06:49:25 (GMT) |
commit | f8b67691828321f5c85bb853283aa101ae673130 (patch) | |
tree | 0938bf959cb7d830547d76bc8a40c33dd03c1d2a /arch/powerpc/platforms/pseries/plpar_wrappers.h | |
parent | a32fe93daf9c6b6ffbab1d9b9e2a8e4c335bda5c (diff) | |
download | linux-fsl-qoriq-f8b67691828321f5c85bb853283aa101ae673130.tar.xz |
powerpc/pseries: Make query_cpu_stopped callable outside hotplug cpu
This moves query_cpu_stopped() out of the hotplug cpu code and into
smp.c so it can called in other places and renames it to
smp_query_cpu_stopped().
It also cleans up the return values by adding some #defines
Cc: <stable@kernel.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/plpar_wrappers.h')
-rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h index a05f8d4..6c4fd2c 100644 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h @@ -4,6 +4,14 @@ #include <asm/hvcall.h> #include <asm/page.h> +/* Get state of physical CPU from query_cpu_stopped */ +int smp_query_cpu_stopped(unsigned int pcpu); +#define QCSS_STOPPED 0 +#define QCSS_STOPPING 1 +#define QCSS_NOT_STOPPED 2 +#define QCSS_HARDWARE_ERROR -1 +#define QCSS_HARDWARE_BUSY -2 + static inline long poll_pending(void) { return plpar_hcall_norets(H_POLL_PENDING); |