diff options
Diffstat (limited to 'hw/ppc/spapr_rtas.c')
| -rw-r--r-- | hw/ppc/spapr_rtas.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 0f1ae55828..d7694cd0e0 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -245,6 +245,56 @@ static void rtas_ibm_os_term(PowerPCCPU *cpu, rtas_st(rets, 0, ret); } +static void rtas_set_power_level(PowerPCCPU *cpu, sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, uint32_t nret, + target_ulong rets) +{ + int32_t power_domain; + + if (nargs != 2 || nret != 2) { + rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); + return; + } + + /* we currently only use a single, "live insert" powerdomain for + * hotplugged/dlpar'd resources, so the power is always live/full (100) + */ + power_domain = rtas_ld(args, 0); + if (power_domain != -1) { + rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); + return; + } + + rtas_st(rets, 0, RTAS_OUT_SUCCESS); + rtas_st(rets, 1, 100); +} + +static void rtas_get_power_level(PowerPCCPU *cpu, sPAPREnvironment *spapr, + uint32_t token, uint32_t nargs, + target_ulong args, uint32_t nret, + target_ulong rets) +{ + int32_t power_domain; + + if (nargs != 1 || nret != 2) { + rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); + return; + } + + /* we currently only use a single, "live insert" powerdomain for + * hotplugged/dlpar'd resources, so the power is always live/full (100) + */ + power_domain = rtas_ld(args, 0); + if (power_domain != -1) { + rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); + return; + } + + rtas_st(rets, 0, RTAS_OUT_SUCCESS); + rtas_st(rets, 1, 100); +} + static struct rtas_call { const char *name; spapr_rtas_fn fn; @@ -370,6 +420,10 @@ static void core_rtas_register_types(void) rtas_ibm_set_system_parameter); spapr_rtas_register(RTAS_IBM_OS_TERM, "ibm,os-term", rtas_ibm_os_term); + spapr_rtas_register(RTAS_SET_POWER_LEVEL, "set-power-level", + rtas_set_power_level); + spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level", + rtas_get_power_level); } type_init(core_rtas_register_types) |