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-rw-r--r--hw/ppc/spapr.c32
-rw-r--r--hw/ppc/spapr_events.c99
-rw-r--r--include/hw/ppc/spapr.h9
3 files changed, 92 insertions, 48 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 16638ce..b451d85 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1517,6 +1517,37 @@ static bool version_before_3(void *opaque, int version_id)
return version_id < 3;
}
+static bool spapr_pending_events_needed(void *opaque)
+{
+ sPAPRMachineState *spapr = (sPAPRMachineState *)opaque;
+ return !QTAILQ_EMPTY(&spapr->pending_events);
+}
+
+static const VMStateDescription vmstate_spapr_event_entry = {
+ .name = "spapr_event_log_entry",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(header.summary, sPAPREventLogEntry),
+ VMSTATE_UINT32(header.extended_length, sPAPREventLogEntry),
+ VMSTATE_VBUFFER_ALLOC_UINT32(extended_log, sPAPREventLogEntry, 0,
+ NULL, header.extended_length),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static const VMStateDescription vmstate_spapr_pending_events = {
+ .name = "spapr_pending_events",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = spapr_pending_events_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_QTAILQ_V(pending_events, sPAPRMachineState, 1,
+ vmstate_spapr_event_entry, sPAPREventLogEntry, next),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
static bool spapr_ov5_cas_needed(void *opaque)
{
sPAPRMachineState *spapr = opaque;
@@ -1615,6 +1646,7 @@ static const VMStateDescription vmstate_spapr = {
.subsections = (const VMStateDescription*[]) {
&vmstate_spapr_ov5_cas,
&vmstate_spapr_patb_entry,
+ &vmstate_spapr_pending_events,
NULL
}
};
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index 587a3da..ce41e74 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -42,8 +42,7 @@
#include "hw/ppc/spapr_ovec.h"
#include <libfdt.h>
-struct rtas_error_log {
- uint32_t summary;
+/* Macros related to rtas_error_log struct defined in spapr.h */
#define RTAS_LOG_VERSION_MASK 0xff000000
#define RTAS_LOG_VERSION_6 0x06000000
#define RTAS_LOG_SEVERITY_MASK 0x00e00000
@@ -85,8 +84,6 @@ struct rtas_error_log {
#define RTAS_LOG_TYPE_ECC_CORR 0x0000000a
#define RTAS_LOG_TYPE_EPOW 0x00000040
#define RTAS_LOG_TYPE_HOTPLUG 0x000000e5
- uint32_t extended_length;
-} QEMU_PACKED;
struct rtas_event_log_v6 {
uint8_t b0;
@@ -166,8 +163,7 @@ struct rtas_event_log_v6_epow {
uint64_t reason_code;
} QEMU_PACKED;
-struct epow_log_full {
- struct rtas_error_log hdr;
+struct epow_extended_log {
struct rtas_event_log_v6 v6hdr;
struct rtas_event_log_v6_maina maina;
struct rtas_event_log_v6_mainb mainb;
@@ -205,8 +201,7 @@ struct rtas_event_log_v6_hp {
union drc_identifier drc_id;
} QEMU_PACKED;
-struct hp_log_full {
- struct rtas_error_log hdr;
+struct hp_extended_log {
struct rtas_event_log_v6 v6hdr;
struct rtas_event_log_v6_maina maina;
struct rtas_event_log_v6_mainb mainb;
@@ -341,25 +336,26 @@ static int rtas_event_log_to_irq(sPAPRMachineState *spapr, int log_type)
return source->irq;
}
-static void rtas_event_log_queue(int log_type, void *data)
+static uint32_t spapr_event_log_entry_type(sPAPREventLogEntry *entry)
{
- sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
- sPAPREventLogEntry *entry = g_new(sPAPREventLogEntry, 1);
+ return entry->header.summary & RTAS_LOG_TYPE_MASK;
+}
- g_assert(data);
- entry->log_type = log_type;
- entry->data = data;
+static void rtas_event_log_queue(sPAPRMachineState *spapr,
+ sPAPREventLogEntry *entry)
+{
QTAILQ_INSERT_TAIL(&spapr->pending_events, entry, next);
}
-static sPAPREventLogEntry *rtas_event_log_dequeue(uint32_t event_mask)
+static sPAPREventLogEntry *rtas_event_log_dequeue(sPAPRMachineState *spapr,
+ uint32_t event_mask)
{
- sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
sPAPREventLogEntry *entry = NULL;
QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
const sPAPREventSource *source =
- rtas_event_log_to_source(spapr, entry->log_type);
+ rtas_event_log_to_source(spapr,
+ spapr_event_log_entry_type(entry));
if (source->mask & event_mask) {
break;
@@ -380,7 +376,8 @@ static bool rtas_event_log_contains(uint32_t event_mask)
QTAILQ_FOREACH(entry, &spapr->pending_events, next) {
const sPAPREventSource *source =
- rtas_event_log_to_source(spapr, entry->log_type);
+ rtas_event_log_to_source(spapr,
+ spapr_event_log_entry_type(entry));
if (source->mask & event_mask) {
return true;
@@ -428,27 +425,30 @@ static void spapr_init_maina(struct rtas_event_log_v6_maina *maina,
static void spapr_powerdown_req(Notifier *n, void *opaque)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
+ sPAPREventLogEntry *entry;
struct rtas_error_log *hdr;
struct rtas_event_log_v6 *v6hdr;
struct rtas_event_log_v6_maina *maina;
struct rtas_event_log_v6_mainb *mainb;
struct rtas_event_log_v6_epow *epow;
- struct epow_log_full *new_epow;
+ struct epow_extended_log *new_epow;
+ entry = g_new(sPAPREventLogEntry, 1);
new_epow = g_malloc0(sizeof(*new_epow));
- hdr = &new_epow->hdr;
+ entry->extended_log = new_epow;
+
+ hdr = &entry->header;
v6hdr = &new_epow->v6hdr;
maina = &new_epow->maina;
mainb = &new_epow->mainb;
epow = &new_epow->epow;
- hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6
- | RTAS_LOG_SEVERITY_EVENT
- | RTAS_LOG_DISPOSITION_NOT_RECOVERED
- | RTAS_LOG_OPTIONAL_PART_PRESENT
- | RTAS_LOG_TYPE_EPOW);
- hdr->extended_length = cpu_to_be32(sizeof(*new_epow)
- - sizeof(new_epow->hdr));
+ hdr->summary = RTAS_LOG_VERSION_6
+ | RTAS_LOG_SEVERITY_EVENT
+ | RTAS_LOG_DISPOSITION_NOT_RECOVERED
+ | RTAS_LOG_OPTIONAL_PART_PRESENT
+ | RTAS_LOG_TYPE_EPOW;
+ hdr->extended_length = sizeof(*new_epow);
spapr_init_v6hdr(v6hdr);
spapr_init_maina(maina, 3 /* Main-A, Main-B and EPOW */);
@@ -468,7 +468,7 @@ static void spapr_powerdown_req(Notifier *n, void *opaque)
epow->event_modifier = RTAS_LOG_V6_EPOW_MODIFIER_NORMAL;
epow->extended_modifier = RTAS_LOG_V6_EPOW_XMODIFIER_PARTITION_SPECIFIC;
- rtas_event_log_queue(RTAS_LOG_TYPE_EPOW, new_epow);
+ rtas_event_log_queue(spapr, entry);
qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr),
rtas_event_log_to_irq(spapr,
@@ -480,28 +480,31 @@ static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
union drc_identifier *drc_id)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
- struct hp_log_full *new_hp;
+ sPAPREventLogEntry *entry;
+ struct hp_extended_log *new_hp;
struct rtas_error_log *hdr;
struct rtas_event_log_v6 *v6hdr;
struct rtas_event_log_v6_maina *maina;
struct rtas_event_log_v6_mainb *mainb;
struct rtas_event_log_v6_hp *hp;
- new_hp = g_malloc0(sizeof(struct hp_log_full));
- hdr = &new_hp->hdr;
+ entry = g_new(sPAPREventLogEntry, 1);
+ new_hp = g_malloc0(sizeof(struct hp_extended_log));
+ entry->extended_log = new_hp;
+
+ hdr = &entry->header;
v6hdr = &new_hp->v6hdr;
maina = &new_hp->maina;
mainb = &new_hp->mainb;
hp = &new_hp->hp;
- hdr->summary = cpu_to_be32(RTAS_LOG_VERSION_6
- | RTAS_LOG_SEVERITY_EVENT
- | RTAS_LOG_DISPOSITION_NOT_RECOVERED
- | RTAS_LOG_OPTIONAL_PART_PRESENT
- | RTAS_LOG_INITIATOR_HOTPLUG
- | RTAS_LOG_TYPE_HOTPLUG);
- hdr->extended_length = cpu_to_be32(sizeof(*new_hp)
- - sizeof(new_hp->hdr));
+ hdr->summary = RTAS_LOG_VERSION_6
+ | RTAS_LOG_SEVERITY_EVENT
+ | RTAS_LOG_DISPOSITION_NOT_RECOVERED
+ | RTAS_LOG_OPTIONAL_PART_PRESENT
+ | RTAS_LOG_INITIATOR_HOTPLUG
+ | RTAS_LOG_TYPE_HOTPLUG;
+ hdr->extended_length = sizeof(*new_hp);
spapr_init_v6hdr(v6hdr);
spapr_init_maina(maina, 3 /* Main-A, Main-B, HP */);
@@ -551,7 +554,7 @@ static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
cpu_to_be32(drc_id->count_indexed.index);
}
- rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp);
+ rtas_event_log_queue(spapr, entry);
qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr),
rtas_event_log_to_irq(spapr,
@@ -625,10 +628,10 @@ static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong args,
uint32_t nret, target_ulong rets)
{
+ CPUState *cs = CPU(cpu);
uint32_t mask, buf, len, event_len;
uint64_t xinfo;
sPAPREventLogEntry *event;
- struct rtas_error_log *hdr;
int i;
if ((nargs < 6) || (nargs > 7) || nret != 1) {
@@ -644,21 +647,25 @@ static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr,
xinfo |= (uint64_t)rtas_ld(args, 6) << 32;
}
- event = rtas_event_log_dequeue(mask);
+ event = rtas_event_log_dequeue(spapr, mask);
if (!event) {
goto out_no_events;
}
- hdr = event->data;
- event_len = be32_to_cpu(hdr->extended_length) + sizeof(*hdr);
+ event_len = event->header.extended_length + sizeof(event->header);
if (event_len < len) {
len = event_len;
}
- cpu_physical_memory_write(buf, event->data, len);
+ stl_be_phys(cs->as, buf, event->header.summary);
+ stl_be_phys(cs->as, buf + sizeof(event->header.summary),
+ event->header.extended_length);
+ cpu_physical_memory_write(buf + sizeof(event->header),
+ event->extended_log,
+ event->header.extended_length);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
- g_free(event->data);
+ g_free(event->extended_log);
g_free(event);
/* according to PAPR+, the IRQ must be left asserted, or re-asserted, if
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 5f708ee..2718b90 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -606,9 +606,14 @@ struct sPAPRTCETable {
sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
+struct rtas_error_log {
+ uint32_t summary;
+ uint32_t extended_length;
+} QEMU_PACKED;
+
struct sPAPREventLogEntry {
- int log_type;
- void *data;
+ struct rtas_error_log header;
+ void *extended_log;
QTAILQ_ENTRY(sPAPREventLogEntry) next;
};
generated by cgit v1.1 at 2024-11-02 22:43:42 +0000