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spapr: Generate FDT fragment for LMBs at configure connector time

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Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <155059666331.1466090.6766540766297333313.stgit@bahia.lab.toulouse-stg.fr.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-02-19 18:17:43 +01:00 committed by David Gibson
parent d9c95c71ac
commit 62d38c9bd3
3 changed files with 22 additions and 16 deletions
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33
hw/ppc/spapr.c
View File

@ -3333,14 +3333,26 @@ static void spapr_nmi(NMIState *n, int cpu_index, Error **errp)
}
}
int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
void *fdt, int *fdt_start_offset, Error **errp)
{
uint64_t addr;
uint32_t node;
addr = spapr_drc_index(drc) * SPAPR_MEMORY_BLOCK_SIZE;
node = object_property_get_uint(OBJECT(drc->dev), PC_DIMM_NODE_PROP,
&error_abort);
*fdt_start_offset = spapr_populate_memory_node(fdt, node, addr,
SPAPR_MEMORY_BLOCK_SIZE);
return 0;
}
static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size,
uint32_t node, bool dedicated_hp_event_source,
Error **errp)
bool dedicated_hp_event_source, Error **errp)
{
sPAPRDRConnector *drc;
uint32_t nr_lmbs = size/SPAPR_MEMORY_BLOCK_SIZE;
int i, fdt_offset, fdt_size;
void *fdt;
int i;
uint64_t addr = addr_start;
bool hotplugged = spapr_drc_hotplugged(dev);
Error *local_err = NULL;
@ -3350,11 +3362,7 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size,
addr / SPAPR_MEMORY_BLOCK_SIZE);
g_assert(drc);
fdt = create_device_tree(&fdt_size);
fdt_offset = spapr_populate_memory_node(fdt, node, addr,
SPAPR_MEMORY_BLOCK_SIZE);
spapr_drc_attach(drc, dev, fdt, fdt_offset, &local_err);
spapr_drc_attach(drc, dev, NULL, 0, &local_err);
if (local_err) {
while (addr > addr_start) {
addr -= SPAPR_MEMORY_BLOCK_SIZE;
@ -3362,7 +3370,6 @@ static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size,
addr / SPAPR_MEMORY_BLOCK_SIZE);
spapr_drc_detach(drc);
}
g_free(fdt);
error_propagate(errp, local_err);
return;
}
@ -3395,7 +3402,6 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev);
PCDIMMDevice *dimm = PC_DIMM(dev);
uint64_t size, addr;
uint32_t node;
size = memory_device_get_region_size(MEMORY_DEVICE(dev), &error_abort);
@ -3410,10 +3416,7 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
goto out_unplug;
}
node = object_property_get_uint(OBJECT(dev), PC_DIMM_NODE_PROP,
&error_abort);
spapr_add_lmbs(dev, addr, size, node,
spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT),
spapr_add_lmbs(dev, addr, size, spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT),
&local_err);
if (local_err) {
goto out_unplug;

1
hw/ppc/spapr_drc.c
View File

@ -700,6 +700,7 @@ static void spapr_drc_lmb_class_init(ObjectClass *k, void *data)
drck->typename = "MEM";
drck->drc_name_prefix = "LMB ";
drck->release = spapr_lmb_release;
drck->dt_populate = spapr_lmb_dt_populate;
}
static const TypeInfo spapr_dr_connector_info = {

4
include/hw/ppc/spapr.h
View File

@ -764,9 +764,11 @@ void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
void spapr_clear_pending_events(sPAPRMachineState *spapr);
int spapr_max_server_number(sPAPRMachineState *spapr);
/* CPU and LMB DRC release callbacks. */
/* DRC callbacks. */
void spapr_core_release(DeviceState *dev);
void spapr_lmb_release(DeviceState *dev);
int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
void *fdt, int *fdt_start_offset, Error **errp);
void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);