diff options
| -rw-r--r-- | arch/powerpc/platforms/pseries/mobility.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c index 5a3951626a96..f234a7ed87aa 100644 --- a/arch/powerpc/platforms/pseries/mobility.c +++ b/arch/powerpc/platforms/pseries/mobility.c @@ -513,6 +513,35 @@ static int do_join(void *arg) return ret; } +/* + * Abort reason code byte 0. We use only the 'Migrating partition' value. + */ +enum vasi_aborting_entity { + ORCHESTRATOR = 1, + VSP_SOURCE = 2, + PARTITION_FIRMWARE = 3, + PLATFORM_FIRMWARE = 4, + VSP_TARGET = 5, + MIGRATING_PARTITION = 6, +}; + +static void pseries_cancel_migration(u64 handle, int err) +{ + u32 reason_code; + u32 detail; + u8 entity; + long hvrc; + + entity = MIGRATING_PARTITION; + detail = abs(err) & 0xffffff; + reason_code = (entity << 24) | detail; + + hvrc = plpar_hcall_norets(H_VASI_SIGNAL, handle, + H_VASI_SIGNAL_CANCEL, reason_code); + if (hvrc) + pr_err("H_VASI_SIGNAL error: %ld\n", hvrc); +} + static int pseries_migrate_partition(u64 handle) { atomic_t counter = ATOMIC_INIT(0); @@ -525,6 +554,8 @@ static int pseries_migrate_partition(u64 handle) ret = stop_machine(do_join, &counter, cpu_online_mask); if (ret == 0) post_mobility_fixup(); + else + pseries_cancel_migration(handle, ret); return ret; } |