static void rtas_int_on(struct kvm_cpu *vcpu, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
struct ics_state *ics = vcpu->kvm->arch.icp->ics;
uint32_t nr;
if ((nargs != 1) || (nret != 1)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
nr = rtas_ld(vcpu->kvm, args, 0);
if (!ics_valid_irq(ics, nr)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
/* ME: QEMU wrote xive_msi here, in #if 0. Deleted. */
rtas_st(vcpu->kvm, rets, 0, 0); /* Success */
}
static void rtas_get_xive(struct kvm_cpu *vcpu, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
struct ics_state *ics = vcpu->kvm->arch.icp->ics;
uint32_t nr;
if ((nargs != 1) || (nret != 3)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
nr = rtas_ld(vcpu->kvm, args, 0);
if (!ics_valid_irq(ics, nr)) {
rtas_st(vcpu->kvm, rets, 0, -3);
return;
}
rtas_st(vcpu->kvm, rets, 0, 0); /* Success */
rtas_st(vcpu->kvm, rets, 1, ics->irqs[nr - ics->offset].server);
rtas_st(vcpu->kvm, rets, 2, ics->irqs[nr - ics->offset].priority);
}
static void rtas_get_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
ICSState *ics = spapr->icp->ics;
uint32_t nr;
if ((nargs != 1) || (nret != 3)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, ics->irqs[nr - ics->offset].server);
rtas_st(rets, 2, ics->irqs[nr - ics->offset].priority);
}
static void rtas_int_off(sPAPREnvironment *spapr, uint32_t token,
uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
struct ics_state *ics = spapr->icp->ics;
uint32_t nr;
if ((nargs != 1) || (nret != 1)) {
rtas_st(rets, 0, -3);
return;
}
nr = rtas_ld(args, 0);
if (!ics_valid_irq(ics, nr)) {
rtas_st(rets, 0, -3);
return;
}
ics_write_xive(ics, nr, ics->irqs[nr - ics->offset].server, 0xff,
ics->irqs[nr - ics->offset].priority);
rtas_st(rets, 0, 0); /* Success */
}
static void rtas_get_power_level(PowerPCCPU *cpu, sPAPRMachineState *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 void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
sPAPREnvironment *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
target_ulong parameter = rtas_ld(args, 0);
target_ulong ret = RTAS_OUT_NOT_SUPPORTED;
switch (parameter) {
case DIAGNOSTICS_RUN_MODE:
ret = RTAS_OUT_NOT_AUTHORIZED;
break;
}
rtas_st(rets, 0, ret);
}
static void rtas_get_time_of_day(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
struct tm tm;
if (nret != 8) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
qemu_get_timedate(&tm, spapr->rtc_offset);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, tm.tm_year + 1900);
rtas_st(rets, 2, tm.tm_mon + 1);
rtas_st(rets, 3, tm.tm_mday);
rtas_st(rets, 4, tm.tm_hour);
rtas_st(rets, 5, tm.tm_min);
rtas_st(rets, 6, tm.tm_sec);
rtas_st(rets, 7, 0); /* we don't do nanoseconds */
}
static void rtas_nvram_fetch(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
sPAPRNVRAM *nvram = spapr->nvram;
hwaddr offset, buffer, len;
int alen;
void *membuf;
if ((nargs != 3) || (nret != 2)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
if (!nvram) {
rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
rtas_st(rets, 1, 0);
return;
}
offset = rtas_ld(args, 0);
buffer = rtas_ld(args, 1);
len = rtas_ld(args, 2);
if (((offset + len) < offset)
|| ((offset + len) > nvram->size)) {
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
rtas_st(rets, 1, 0);
return;
}
membuf = cpu_physical_memory_map(buffer, &len, 1);
if (nvram->drive) {
alen = bdrv_pread(nvram->drive, offset, membuf, len);
} else {
assert(nvram->buf);
memcpy(membuf, nvram->buf + offset, len);
alen = len;
}
cpu_physical_memory_unmap(membuf, len, 1, len);
rtas_st(rets, 0, (alen < len) ? RTAS_OUT_HW_ERROR : RTAS_OUT_SUCCESS);
rtas_st(rets, 1, (alen < 0) ? 0 : alen);
}
static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
target_ulong parameter = rtas_ld(args, 0);
target_ulong ret = RTAS_OUT_NOT_SUPPORTED;
switch (parameter) {
case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS:
case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE:
case RTAS_SYSPARM_UUID:
ret = RTAS_OUT_NOT_AUTHORIZED;
break;
}
rtas_st(rets, 0, ret);
}
static void rtas_set_time_of_day(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
struct tm tm;
tm.tm_year = rtas_ld(args, 0) - 1900;
tm.tm_mon = rtas_ld(args, 1) - 1;
tm.tm_mday = rtas_ld(args, 2);
tm.tm_hour = rtas_ld(args, 3);
tm.tm_min = rtas_ld(args, 4);
tm.tm_sec = rtas_ld(args, 5);
/* Just generate a monitor event for the change */
rtc_change_mon_event(&tm);
spapr->rtc_offset = qemu_timedate_diff(&tm);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
target_ulong parameter = rtas_ld(args, 0);
target_ulong buffer = rtas_ld(args, 1);
target_ulong length = rtas_ld(args, 2);
target_ulong ret;
switch (parameter) {
case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: {
char *param_val = g_strdup_printf("MaxEntCap=%d,"
"DesMem=%llu,"
"DesProcs=%d,"
"MaxPlatProcs=%d",
max_cpus,
current_machine->ram_size / M_BYTE,
smp_cpus,
max_cpus);
ret = sysparm_st(buffer, length, param_val, strlen(param_val) + 1);
g_free(param_val);
break;
}
case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: {
uint8_t param_val = DIAGNOSTICS_RUN_MODE_DISABLED;
ret = sysparm_st(buffer, length, ¶m_val, sizeof(param_val));
break;
}
case RTAS_SYSPARM_UUID:
ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid,
(qemu_uuid_set ? 16 : 0));
break;
default:
ret = RTAS_OUT_NOT_SUPPORTED;
}
rtas_st(rets, 0, ret);
}
static void rtas_ibm_create_pe_dma_window(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
{
sPAPRPHBState *sphb;
sPAPRTCETable *tcet = NULL;
uint32_t addr, page_shift, window_shift, liobn;
uint64_t buid, win_addr;
int windows;
if ((nargs != 5) || (nret != 4)) {
goto param_error_exit;
}
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2);
addr = rtas_ld(args, 0);
sphb = spapr_pci_find_phb(spapr, buid);
if (!sphb || !sphb->ddw_enabled) {
goto param_error_exit;
}
page_shift = rtas_ld(args, 3);
window_shift = rtas_ld(args, 4);
liobn = spapr_phb_get_free_liobn(sphb);
windows = spapr_phb_get_active_win_num(sphb);
if (!(sphb->page_size_mask & (1ULL << page_shift)) ||
(window_shift < page_shift)) {
goto param_error_exit;
}
if (!liobn || !sphb->ddw_enabled || windows == SPAPR_PCI_DMA_MAX_WINDOWS) {
goto hw_error_exit;
}
tcet = spapr_tce_find_by_liobn(liobn);
if (!tcet) {
goto hw_error_exit;
}
win_addr = (windows == 0) ? sphb->dma_win_addr : sphb->dma64_win_addr;
spapr_tce_table_enable(tcet, page_shift, win_addr,
1ULL << (window_shift - page_shift));
if (!tcet->nb_table) {
goto hw_error_exit;
}
trace_spapr_iommu_ddw_create(buid, addr, 1ULL << page_shift,
1ULL << window_shift, tcet->bus_offset, liobn);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, liobn);
rtas_st(rets, 2, tcet->bus_offset >> 32);
rtas_st(rets, 3, tcet->bus_offset & ((uint32_t) -1));
return;
hw_error_exit:
rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
return;
param_error_exit:
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
