#include "sysemu/char.h"
#include "hw/qdev.h"
#include "sysemu/device_tree.h"
+#include "sysemu/cpus.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/spapr_vio.h"
#include "qapi-event.h"
+#include "hw/boards.h"
#include <libfdt.h>
+#include "hw/ppc/spapr_drc.h"
-static void rtas_display_character(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+/* #define DEBUG_SPAPR */
+
+#ifdef DEBUG_SPAPR
+#define DPRINTF(fmt, ...) \
+ do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0)
+#else
+#define DPRINTF(fmt, ...) \
+ do { } while (0)
+#endif
+
+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,
uint32_t nret, target_ulong rets)
}
}
-static void rtas_power_off(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static void rtas_power_off(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
-static void rtas_system_reboot(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static void rtas_system_reboot(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
}
static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
-static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPREnvironment *spapr,
+static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
-static void rtas_stop_self(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static void rtas_stop_self(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
CPUPPCState *env = &cpu->env;
cs->halted = 1;
- cpu_exit(cs);
+ qemu_cpu_kick(cs);
/*
* While stopping a CPU, the guest calls H_CPPR which
* effectively disables interrupts on XICS level.
}
static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
switch (parameter) {
case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: {
- char *param_val = g_strdup_printf("MaxEntCap=%d,MaxPlatProcs=%d",
- max_cpus, smp_cpus);
+ 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);
rtas_st_buffer(buffer, length, (uint8_t *)param_val, strlen(param_val));
g_free(param_val);
break;
}
static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
}
static void rtas_ibm_os_term(PowerPCCPU *cpu,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
uint32_t nret, target_ulong rets)
rtas_st(rets, 0, ret);
}
+static void rtas_set_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 != 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, 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 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) {
+ DPRINTF("rtas_set_indicator: invalid sensor/DRC index: %xh\n",
+ 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 */
+ DPRINTF("rtas_set_indicator: sensor/indicator not implemented: %d\n",
+ 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 */
+ DPRINTF("rtas_get_sensor_state: sensor/indicator not implemented: %d\n",
+ sensor_type);
+ ret = RTAS_OUT_NOT_SUPPORTED;
+ goto out;
+ }
+
+ drc = spapr_dr_connector_by_index(sensor_index);
+ if (!drc) {
+ DPRINTF("rtas_get_sensor_state: invalid sensor/DRC index: %xh\n",
+ 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 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) {
+ DPRINTF("rtas_ibm_configure_connector: invalid DRC index: %xh\n",
+ drc_index);
+ rc = RTAS_OUT_PARAM_ERROR;
+ goto out;
+ }
+
+ drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
+ fdt = drck->get_fdt(drc, NULL);
+ if (!fdt) {
+ DPRINTF("rtas_ibm_configure_connector: Missing FDT for DRC index: %xh\n",
+ 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);
+ rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
+ (uint8_t *)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);
+ rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
+ (uint8_t *)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);
+ rtas_st_buffer_direct(wa_addr + wa_offset, CC_WA_LEN - wa_offset,
+ (uint8_t *)((struct fdt_property *)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_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE];
-target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs, target_ulong args,
uint32_t nret, target_ulong rets)
{
{
int ret;
int i;
+ uint32_t lrdr_capacity[5];
+ MachineState *machine = MACHINE(qdev_get_machine());
ret = fdt_add_mem_rsv(fdt, rtas_addr, rtas_size);
if (ret < 0) {
}
}
+
+ lrdr_capacity[0] = cpu_to_be32(((uint64_t)machine->maxram_size) >> 32);
+ lrdr_capacity[1] = cpu_to_be32(machine->maxram_size & 0xffffffff);
+ lrdr_capacity[2] = 0;
+ lrdr_capacity[3] = cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE);
+ lrdr_capacity[4] = cpu_to_be32(max_cpus/smp_threads);
+ ret = qemu_fdt_setprop(fdt, "/rtas", "ibm,lrdr-capacity", lrdr_capacity,
+ sizeof(lrdr_capacity));
+ if (ret < 0) {
+ fprintf(stderr, "Couldn't add ibm,lrdr-capacity rtas property\n");
+ return ret;
+ }
+
return 0;
}
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);
+ 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