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[PATCH 04/10] ppc/pnv: Introduce a "xics" property under the POWER8 chip
From: |
Cédric Le Goater |
Subject: |
[PATCH 04/10] ppc/pnv: Introduce a "xics" property under the POWER8 chip |
Date: |
Thu, 19 Dec 2019 08:29:55 +0100 |
POWER8 is the only chip using the XICS interface. Add a "xics" link
and a XICSFabric attribute under this chip to remove the use of
qdev_get_machine()
Signed-off-by: Cédric Le Goater <address@hidden>
---
include/hw/ppc/pnv.h | 2 ++
hw/ppc/pnv.c | 26 ++++++++++++++++++++------
2 files changed, 22 insertions(+), 6 deletions(-)
diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h
index f31180618672..8b957dfb5736 100644
--- a/include/hw/ppc/pnv.h
+++ b/include/hw/ppc/pnv.h
@@ -74,6 +74,8 @@ typedef struct Pnv8Chip {
Pnv8Psi psi;
PnvOCC occ;
PnvHomer homer;
+
+ XICSFabric *xics;
} Pnv8Chip;
#define TYPE_PNV9_CHIP "pnv9-chip"
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index d6fe5ba13535..6500efba1317 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -797,6 +797,13 @@ static void pnv_init(MachineState *machine)
*/
object_property_set_link(chip, OBJECT(sysmem), "system-memory",
&error_abort);
+ /*
+ * The POWER8 machine use the XICS interrupt interface.
+ * Propagate the XICS fabric to the chip and its controllers.
+ */
+ if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) {
+ object_property_set_link(chip, OBJECT(pnv), "xics", &error_abort);
+ }
object_property_set_bool(chip, true, "realized", &error_fatal);
}
g_free(chip_typename);
@@ -838,12 +845,12 @@ static uint32_t pnv_chip_core_pir_p8(PnvChip *chip,
uint32_t core_id)
static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu,
Error **errp)
{
+ Pnv8Chip *chip8 = PNV8_CHIP(chip);
Error *local_err = NULL;
Object *obj;
PnvCPUState *pnv_cpu = pnv_cpu_state(cpu);
- obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP,
XICS_FABRIC(qdev_get_machine()),
- &local_err);
+ obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@@ -997,6 +1004,12 @@ static void pnv_chip_power8_instance_init(Object *obj)
{
Pnv8Chip *chip8 = PNV8_CHIP(obj);
+ object_property_add_link(obj, "xics", TYPE_XICS_FABRIC,
+ (Object **)&chip8->xics,
+ object_property_allow_set_link,
+ OBJ_PROP_LINK_STRONG,
+ &error_abort);
+
object_initialize_child(obj, "psi", &chip8->psi, sizeof(chip8->psi),
TYPE_PNV8_PSI, &error_abort, NULL);
@@ -1016,7 +1029,6 @@ static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error
**errp)
PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
int i, j;
char *name;
- XICSFabric *xi = XICS_FABRIC(qdev_get_machine());
name = g_strdup_printf("icp-%x", chip->chip_id);
memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE);
@@ -1032,7 +1044,7 @@ static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error
**errp)
for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) {
uint32_t pir = pcc->core_pir(chip, core_hwid) + j;
- PnvICPState *icp = PNV_ICP(xics_icp_get(xi, pir));
+ PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir));
memory_region_add_subregion(&chip8->icp_mmio, pir << 12,
&icp->mmio);
@@ -1048,6 +1060,8 @@ static void pnv_chip_power8_realize(DeviceState *dev,
Error **errp)
Pnv8Psi *psi8 = &chip8->psi;
Error *local_err = NULL;
+ assert(chip8->xics);
+
/* XSCOM bridge is first */
pnv_xscom_realize(chip, PNV_XSCOM_SIZE, &local_err);
if (local_err) {
@@ -1067,8 +1081,8 @@ static void pnv_chip_power8_realize(DeviceState *dev,
Error **errp)
"bar", &error_fatal);
object_property_set_link(OBJECT(&chip8->psi), OBJECT(chip->system_memory),
"system-memory", &error_abort);
- object_property_set_link(OBJECT(&chip8->psi), OBJECT(qdev_get_machine()),
- ICS_PROP_XICS, &error_abort);
+ object_property_set_link(OBJECT(&chip8->psi), OBJECT(chip8->xics),
+ ICS_PROP_XICS, &error_abort);
object_property_set_bool(OBJECT(&chip8->psi), true, "realized",
&local_err);
if (local_err) {
error_propagate(errp, local_err);
--
2.21.0
- [PATCH 00/10] ppc/pnv: remove the use of qdev_get_machine() and get_system_memory(), Cédric Le Goater, 2019/12/19
- [PATCH 01/10] ppc/pnv: Modify the powerdown notifier to get the PowerNV machine, Cédric Le Goater, 2019/12/19
- [PATCH 02/10] ppc/pnv: Introduce a "system-memory" property, Cédric Le Goater, 2019/12/19
- [PATCH 03/10] ppc/pnv: Introduce a "xics" property alias under the PSI model, Cédric Le Goater, 2019/12/19
- [PATCH 04/10] ppc/pnv: Introduce a "xics" property under the POWER8 chip,
Cédric Le Goater <=
- [PATCH 05/10] spapr/xive: Use device_class_set_parent_realize(), Cédric Le Goater, 2019/12/19
- [PATCH 06/10] pnv/xive: Use device_class_set_parent_realize(), Cédric Le Goater, 2019/12/19
- [PATCH 07/10] spapr, pnv, xive: Add a "xive-fabric" link to the XIVE router, Cédric Le Goater, 2019/12/19
- [PATCH 08/10] xive: Use the XIVE fabric link under the XIVE router, Cédric Le Goater, 2019/12/19
- [PATCH 09/10] ppc/pnv: Add an "nr-threads" property to the base chip class, Cédric Le Goater, 2019/12/19
- [PATCH 10/10] ppc/pnv: Add a "pnor" const link property to the BMC internal simulator, Cédric Le Goater, 2019/12/19