#include "qemu/log.h"
#include "qemu/error-report.h"
#include "sysemu/sysemu.h"
-#include "sysemu/char.h"
#include "hw/qdev.h"
#include "sysemu/device_tree.h"
#include "sysemu/cpus.h"
#include "trace.h"
#include "hw/ppc/fdt.h"
-static sPAPRConfigureConnectorState *spapr_ccs_find(sPAPRMachineState *spapr,
- uint32_t drc_index)
-{
- sPAPRConfigureConnectorState *ccs = NULL;
-
- QTAILQ_FOREACH(ccs, &spapr->ccs_list, next) {
- if (ccs->drc_index == drc_index) {
- break;
- }
- }
-
- return ccs;
-}
-
-static void spapr_ccs_add(sPAPRMachineState *spapr,
- sPAPRConfigureConnectorState *ccs)
-{
- g_assert(!spapr_ccs_find(spapr, ccs->drc_index));
- QTAILQ_INSERT_HEAD(&spapr->ccs_list, ccs, next);
-}
-
-static void spapr_ccs_remove(sPAPRMachineState *spapr,
- sPAPRConfigureConnectorState *ccs)
-{
- QTAILQ_REMOVE(&spapr->ccs_list, ccs, next);
- g_free(ccs);
-}
-
-void spapr_ccs_reset_hook(void *opaque)
-{
- sPAPRMachineState *spapr = opaque;
- sPAPRConfigureConnectorState *ccs, *ccs_tmp;
-
- QTAILQ_FOREACH_SAFE(ccs, &spapr->ccs_list, next, ccs_tmp) {
- spapr_ccs_remove(spapr, ccs);
- }
-}
-
static void rtas_display_character(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
- qemu_system_shutdown_request();
+ qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
cpu_stop_current();
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
- qemu_system_reset_request();
+ qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
target_ulong args,
uint32_t nret, target_ulong rets)
{
- target_ulong ret = 0;
+ qemu_system_guest_panicked(NULL);
- qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, false, NULL,
- &error_abort);
-
- rtas_st(rets, 0, ret);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_set_power_level(PowerPCCPU *cpu, sPAPRMachineState *spapr,
rtas_st(rets, 1, 100);
}
-static bool sensor_type_is_dr(uint32_t sensor_type)
-{
- switch (sensor_type) {
- case RTAS_SENSOR_TYPE_ISOLATION_STATE:
- case RTAS_SENSOR_TYPE_DR:
- case RTAS_SENSOR_TYPE_ALLOCATION_STATE:
- return true;
- }
-
- return false;
-}
-
-static void rtas_set_indicator(PowerPCCPU *cpu, sPAPRMachineState *spapr,
- uint32_t token, uint32_t nargs,
- target_ulong args, uint32_t nret,
- target_ulong rets)
-{
- uint32_t sensor_type;
- uint32_t sensor_index;
- uint32_t sensor_state;
- uint32_t ret = RTAS_OUT_SUCCESS;
- sPAPRDRConnector *drc;
- sPAPRDRConnectorClass *drck;
-
- if (nargs != 3 || nret != 1) {
- ret = RTAS_OUT_PARAM_ERROR;
- goto out;
- }
-
- sensor_type = rtas_ld(args, 0);
- sensor_index = rtas_ld(args, 1);
- sensor_state = rtas_ld(args, 2);
-
- if (!sensor_type_is_dr(sensor_type)) {
- goto out_unimplemented;
- }
-
- /* if this is a DR sensor we can assume sensor_index == drc_index */
- drc = spapr_dr_connector_by_index(sensor_index);
- if (!drc) {
- trace_spapr_rtas_set_indicator_invalid(sensor_index);
- ret = RTAS_OUT_PARAM_ERROR;
- goto out;
- }
- drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
-
- switch (sensor_type) {
- case RTAS_SENSOR_TYPE_ISOLATION_STATE:
- /* if the guest is configuring a device attached to this
- * DRC, we should reset the configuration state at this
- * point since it may no longer be reliable (guest released
- * device and needs to start over, or unplug occurred so
- * the FDT is no longer valid)
- */
- if (sensor_state == SPAPR_DR_ISOLATION_STATE_ISOLATED) {
- sPAPRConfigureConnectorState *ccs = spapr_ccs_find(spapr,
- sensor_index);
- if (ccs) {
- spapr_ccs_remove(spapr, ccs);
- }
- }
- ret = drck->set_isolation_state(drc, sensor_state);
- break;
- case RTAS_SENSOR_TYPE_DR:
- ret = drck->set_indicator_state(drc, sensor_state);
- break;
- case RTAS_SENSOR_TYPE_ALLOCATION_STATE:
- ret = drck->set_allocation_state(drc, sensor_state);
- break;
- default:
- goto out_unimplemented;
- }
-
-out:
- rtas_st(rets, 0, ret);
- return;
-
-out_unimplemented:
- /* currently only DR-related sensors are implemented */
- trace_spapr_rtas_set_indicator_not_supported(sensor_index, sensor_type);
- rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED);
-}
-
-static void rtas_get_sensor_state(PowerPCCPU *cpu, sPAPRMachineState *spapr,
- uint32_t token, uint32_t nargs,
- target_ulong args, uint32_t nret,
- target_ulong rets)
-{
- uint32_t sensor_type;
- uint32_t sensor_index;
- uint32_t sensor_state = 0;
- sPAPRDRConnector *drc;
- sPAPRDRConnectorClass *drck;
- uint32_t ret = RTAS_OUT_SUCCESS;
-
- if (nargs != 2 || nret != 2) {
- ret = RTAS_OUT_PARAM_ERROR;
- goto out;
- }
-
- sensor_type = rtas_ld(args, 0);
- sensor_index = rtas_ld(args, 1);
-
- if (sensor_type != RTAS_SENSOR_TYPE_ENTITY_SENSE) {
- /* currently only DR-related sensors are implemented */
- trace_spapr_rtas_get_sensor_state_not_supported(sensor_index,
- sensor_type);
- ret = RTAS_OUT_NOT_SUPPORTED;
- goto out;
- }
-
- drc = spapr_dr_connector_by_index(sensor_index);
- if (!drc) {
- trace_spapr_rtas_get_sensor_state_invalid(sensor_index);
- ret = RTAS_OUT_PARAM_ERROR;
- goto out;
- }
- drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
- ret = drck->entity_sense(drc, &sensor_state);
-
-out:
- rtas_st(rets, 0, ret);
- rtas_st(rets, 1, sensor_state);
-}
-
-/* configure-connector work area offsets, int32_t units for field
- * indexes, bytes for field offset/len values.
- *
- * as documented by PAPR+ v2.7, 13.5.3.5
- */
-#define CC_IDX_NODE_NAME_OFFSET 2
-#define CC_IDX_PROP_NAME_OFFSET 2
-#define CC_IDX_PROP_LEN 3
-#define CC_IDX_PROP_DATA_OFFSET 4
-#define CC_VAL_DATA_OFFSET ((CC_IDX_PROP_DATA_OFFSET + 1) * 4)
-#define CC_WA_LEN 4096
-
-static void configure_connector_st(target_ulong addr, target_ulong offset,
- const void *buf, size_t len)
-{
- cpu_physical_memory_write(ppc64_phys_to_real(addr + offset),
- buf, MIN(len, CC_WA_LEN - offset));
-}
-
-static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
- sPAPRMachineState *spapr,
- uint32_t token, uint32_t nargs,
- target_ulong args, uint32_t nret,
- target_ulong rets)
-{
- uint64_t wa_addr;
- uint64_t wa_offset;
- uint32_t drc_index;
- sPAPRDRConnector *drc;
- sPAPRDRConnectorClass *drck;
- sPAPRConfigureConnectorState *ccs;
- sPAPRDRCCResponse resp = SPAPR_DR_CC_RESPONSE_CONTINUE;
- int rc;
- const void *fdt;
-
- if (nargs != 2 || nret != 1) {
- rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
- return;
- }
-
- wa_addr = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 0);
-
- drc_index = rtas_ld(wa_addr, 0);
- drc = spapr_dr_connector_by_index(drc_index);
- if (!drc) {
- trace_spapr_rtas_ibm_configure_connector_invalid(drc_index);
- rc = RTAS_OUT_PARAM_ERROR;
- goto out;
- }
-
- drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
- fdt = drck->get_fdt(drc, NULL);
- if (!fdt) {
- trace_spapr_rtas_ibm_configure_connector_missing_fdt(drc_index);
- rc = SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE;
- goto out;
- }
-
- ccs = spapr_ccs_find(spapr, drc_index);
- if (!ccs) {
- ccs = g_new0(sPAPRConfigureConnectorState, 1);
- (void)drck->get_fdt(drc, &ccs->fdt_offset);
- ccs->drc_index = drc_index;
- spapr_ccs_add(spapr, ccs);
- }
-
- do {
- uint32_t tag;
- const char *name;
- const struct fdt_property *prop;
- int fdt_offset_next, prop_len;
-
- tag = fdt_next_tag(fdt, ccs->fdt_offset, &fdt_offset_next);
-
- switch (tag) {
- case FDT_BEGIN_NODE:
- ccs->fdt_depth++;
- name = fdt_get_name(fdt, ccs->fdt_offset, NULL);
-
- /* provide the name of the next OF node */
- wa_offset = CC_VAL_DATA_OFFSET;
- rtas_st(wa_addr, CC_IDX_NODE_NAME_OFFSET, wa_offset);
- configure_connector_st(wa_addr, wa_offset, name, strlen(name) + 1);
- resp = SPAPR_DR_CC_RESPONSE_NEXT_CHILD;
- break;
- case FDT_END_NODE:
- ccs->fdt_depth--;
- if (ccs->fdt_depth == 0) {
- /* done sending the device tree, don't need to track
- * the state anymore
- */
- drck->set_configured(drc);
- spapr_ccs_remove(spapr, ccs);
- ccs = NULL;
- resp = SPAPR_DR_CC_RESPONSE_SUCCESS;
- } else {
- resp = SPAPR_DR_CC_RESPONSE_PREV_PARENT;
- }
- break;
- case FDT_PROP:
- prop = fdt_get_property_by_offset(fdt, ccs->fdt_offset,
- &prop_len);
- name = fdt_string(fdt, fdt32_to_cpu(prop->nameoff));
-
- /* provide the name of the next OF property */
- wa_offset = CC_VAL_DATA_OFFSET;
- rtas_st(wa_addr, CC_IDX_PROP_NAME_OFFSET, wa_offset);
- configure_connector_st(wa_addr, wa_offset, name, strlen(name) + 1);
-
- /* provide the length and value of the OF property. data gets
- * placed immediately after NULL terminator of the OF property's
- * name string
- */
- wa_offset += strlen(name) + 1,
- rtas_st(wa_addr, CC_IDX_PROP_LEN, prop_len);
- rtas_st(wa_addr, CC_IDX_PROP_DATA_OFFSET, wa_offset);
- configure_connector_st(wa_addr, wa_offset, prop->data, prop_len);
- resp = SPAPR_DR_CC_RESPONSE_NEXT_PROPERTY;
- break;
- case FDT_END:
- resp = SPAPR_DR_CC_RESPONSE_ERROR;
- default:
- /* keep seeking for an actionable tag */
- break;
- }
- if (ccs) {
- ccs->fdt_offset = fdt_offset_next;
- }
- } while (resp == SPAPR_DR_CC_RESPONSE_CONTINUE);
-
- rc = resp;
-out:
- rtas_st(rets, 0, rc);
-}
-
static struct rtas_call {
const char *name;
spapr_rtas_fn fn;
rtas_set_power_level);
spapr_rtas_register(RTAS_GET_POWER_LEVEL, "get-power-level",
rtas_get_power_level);
- spapr_rtas_register(RTAS_SET_INDICATOR, "set-indicator",
- rtas_set_indicator);
- spapr_rtas_register(RTAS_GET_SENSOR_STATE, "get-sensor-state",
- rtas_get_sensor_state);
- spapr_rtas_register(RTAS_IBM_CONFIGURE_CONNECTOR, "ibm,configure-connector",
- rtas_ibm_configure_connector);
}
type_init(core_rtas_register_types)
projects / qemu.git / blobdiff