*/
#include "qemu/osdep.h"
#include "cpu.h"
+#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 "sysemu/kvm.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/spapr_vio.h"
+#include "hw/ppc/spapr_rtas.h"
+#include "hw/ppc/ppc.h"
#include "qapi-event.h"
#include "hw/boards.h"
#include <libfdt.h>
#include "hw/ppc/spapr_drc.h"
#include "qemu/cutils.h"
-
-/* #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);
- }
-}
+#include "trace.h"
+#include "hw/ppc/fdt.h"
static void rtas_display_character(PowerPCCPU *cpu, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
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);
}
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
+/*
+ * Set the timebase offset of the CPU to that of first CPU.
+ * This helps hotplugged CPU to have the correct timebase offset.
+ */
+static void spapr_cpu_update_tb_offset(PowerPCCPU *cpu)
+{
+ PowerPCCPU *fcpu = POWERPC_CPU(first_cpu);
+
+ cpu->env.tb_env->tb_offset = fcpu->env.tb_env->tb_offset;
+}
+
+static void spapr_cpu_set_endianness(PowerPCCPU *cpu)
+{
+ PowerPCCPU *fcpu = POWERPC_CPU(first_cpu);
+ PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(fcpu);
+
+ if (!pcc->interrupts_big_endian(fcpu)) {
+ cpu->env.spr[SPR_LPCR] |= LPCR_ILE;
+ }
+}
+
static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr,
uint32_t token, uint32_t nargs,
target_ulong args,
env->nip = start;
env->gpr[3] = r3;
cs->halted = 0;
+ spapr_cpu_set_endianness(cpu);
+ spapr_cpu_update_tb_offset(cpu);
qemu_cpu_kick(cs);
break;
}
case RTAS_SYSPARM_UUID:
- ret = sysparm_st(buffer, length, qemu_uuid, (qemu_uuid_set ? 16 : 0));
+ ret = sysparm_st(buffer, length, (unsigned char *)&qemu_uuid,
+ (qemu_uuid_set ? 16 : 0));
break;
default:
ret = RTAS_OUT_NOT_SUPPORTED;
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, &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) {
- 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 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) {
- 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);
- 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;
return H_PARAMETER;
}
+uint64_t qtest_rtas_call(char *cmd, uint32_t nargs, uint64_t args,
+ uint32_t nret, uint64_t rets)
+{
+ int token;
+
+ for (token = 0; token < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; token++) {
+ if (strcmp(cmd, rtas_table[token].name) == 0) {
+ sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+ PowerPCCPU *cpu = POWERPC_CPU(first_cpu);
+
+ rtas_table[token].fn(cpu, spapr, token + RTAS_TOKEN_BASE,
+ nargs, args, nret, rets);
+ return H_SUCCESS;
+ }
+ }
+ return H_PARAMETER;
+}
+
void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn)
{
assert((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX));
rtas_table[token].fn = fn;
}
-int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
- hwaddr rtas_size)
+void spapr_dt_rtas_tokens(void *fdt, int rtas)
{
- int ret;
int i;
- uint32_t lrdr_capacity[5];
- MachineState *machine = MACHINE(qdev_get_machine());
- sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
- uint64_t max_hotplug_addr = spapr->hotplug_memory.base +
- memory_region_size(&spapr->hotplug_memory.mr);
-
- ret = fdt_add_mem_rsv(fdt, rtas_addr, rtas_size);
- if (ret < 0) {
- fprintf(stderr, "Couldn't add RTAS reserve entry: %s\n",
- fdt_strerror(ret));
- return ret;
- }
-
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-base",
- rtas_addr);
- if (ret < 0) {
- fprintf(stderr, "Couldn't add linux,rtas-base property: %s\n",
- fdt_strerror(ret));
- return ret;
- }
-
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-entry",
- rtas_addr);
- if (ret < 0) {
- fprintf(stderr, "Couldn't add linux,rtas-entry property: %s\n",
- fdt_strerror(ret));
- return ret;
- }
-
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size",
- rtas_size);
- if (ret < 0) {
- fprintf(stderr, "Couldn't add rtas-size property: %s\n",
- fdt_strerror(ret));
- return ret;
- }
for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) {
struct rtas_call *call = &rtas_table[i];
continue;
}
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", call->name,
- i + RTAS_TOKEN_BASE);
- if (ret < 0) {
- fprintf(stderr, "Couldn't add rtas token for %s: %s\n",
- call->name, fdt_strerror(ret));
- return ret;
- }
+ _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE));
+ }
+}
+
+void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr)
+{
+ int rtas_node;
+ int ret;
+ /* Copy RTAS blob into guest RAM */
+ cpu_physical_memory_write(addr, spapr->rtas_blob, spapr->rtas_size);
+
+ ret = fdt_add_mem_rsv(fdt, addr, spapr->rtas_size);
+ if (ret < 0) {
+ error_report("Couldn't add RTAS reserve entry: %s",
+ fdt_strerror(ret));
+ exit(1);
+ }
+
+ /* Update the device tree with the blob's location */
+ rtas_node = fdt_path_offset(fdt, "/rtas");
+ assert(rtas_node >= 0);
+
+ ret = fdt_setprop_cell(fdt, rtas_node, "linux,rtas-base", addr);
+ if (ret < 0) {
+ error_report("Couldn't add linux,rtas-base property: %s",
+ fdt_strerror(ret));
+ exit(1);
}
- lrdr_capacity[0] = cpu_to_be32(max_hotplug_addr >> 32);
- lrdr_capacity[1] = cpu_to_be32(max_hotplug_addr & 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));
+ ret = fdt_setprop_cell(fdt, rtas_node, "linux,rtas-entry", addr);
if (ret < 0) {
- fprintf(stderr, "Couldn't add ibm,lrdr-capacity rtas property\n");
- return ret;
+ error_report("Couldn't add linux,rtas-entry property: %s",
+ fdt_strerror(ret));
+ exit(1);
}
- return 0;
+ ret = fdt_setprop_cell(fdt, rtas_node, "rtas-size", spapr->rtas_size);
+ if (ret < 0) {
+ error_report("Couldn't add rtas-size property: %s",
+ fdt_strerror(ret));
+ exit(1);
+ }
}
static void core_rtas_register_types(void)
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