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Re: [RFC PATCH 12/19] hw/i386: Set QDev properties using QDev API
From: |
Bernhard Beschow |
Subject: |
Re: [RFC PATCH 12/19] hw/i386: Set QDev properties using QDev API |
Date: |
Sat, 04 Feb 2023 13:23:21 +0000 |
Am 3. Februar 2023 18:09:07 UTC schrieb "Philippe Mathieu-Daudé"
<philmd@linaro.org>:
>No need to use the low-level QOM API when an object
>inherits from QDev. Directly use the QDev API to set
>its properties.
>
>Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>---
> hw/i386/pc.c | 8 +++-----
> hw/i386/pc_q35.c | 25 +++++++++++--------------
> hw/i386/sgx.c | 3 +--
> hw/i386/x86.c | 12 ++++--------
> hw/mem/pc-dimm.c | 5 ++---
> target/i386/cpu.c | 6 ++----
> target/i386/host-cpu.c | 7 +++----
> 7 files changed, 26 insertions(+), 40 deletions(-)
>
>diff --git a/hw/i386/pc.c b/hw/i386/pc.c
>index 6e592bd969..700fdefa12 100644
>--- a/hw/i386/pc.c
>+++ b/hw/i386/pc.c
>@@ -1236,8 +1236,7 @@ static void pc_superio_init(ISABus *isa_bus, bool
>create_fdctrl,
> vmmouse = NULL;
> }
> if (vmmouse) {
>- object_property_set_link(OBJECT(vmmouse), TYPE_I8042, OBJECT(i8042),
>- &error_abort);
>+ qdev_prop_set_link(DEVICE(vmmouse), TYPE_I8042, OBJECT(i8042));
> isa_realize_and_unref(vmmouse, isa_bus, &error_fatal);
> }
> port92 = isa_create_simple(isa_bus, TYPE_PORT92);
>@@ -1538,9 +1537,8 @@ static void pc_machine_device_pre_plug_cb(HotplugHandler
>*hotplug_dev,
> char *resv_prop_str = g_strdup_printf("0xfee00000:0xfeefffff:%d",
> VIRTIO_IOMMU_RESV_MEM_T_MSI);
>
>- object_property_set_uint(OBJECT(dev), "len-reserved-regions", 1,
>errp);
>- object_property_set_str(OBJECT(dev), "reserved-regions[0]",
>- resv_prop_str, errp);
>+ qdev_prop_set_uint32(dev, "len-reserved-regions", 1);
>+ qdev_prop_set_string(dev, "reserved-regions[0]", resv_prop_str);
> g_free(resv_prop_str);
> }
>
>diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
>index 66cd718b70..760efa62ca 100644
>--- a/hw/i386/pc_q35.c
>+++ b/hw/i386/pc_q35.c
>@@ -118,7 +118,7 @@ static void pc_q35_init(MachineState *machine)
> PCMachineState *pcms = PC_MACHINE(machine);
> PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
> X86MachineState *x86ms = X86_MACHINE(machine);
>- Q35PCIHost *q35_host;
>+ DeviceState *q35_host;
> PCIHostState *phb;
While at it, you could incorporate this change:
https://lore.kernel.org/qemu-devel/20230131115326.12454-5-shentey@gmail.com/ ,
i.e. resolve the now redundant q35_host variable and use phb instead as
DeviceState.
I'll drop the patch from my series in favor of yours.
Best regards,
Bernhard
> PCIBus *host_bus;
> PCIDevice *lpc;
>@@ -206,7 +206,7 @@ static void pc_q35_init(MachineState *machine)
> }
>
> /* create pci host bus */
>- q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE));
>+ q35_host = qdev_new(TYPE_Q35_HOST_DEVICE);
>
> if (pcmc->pci_enabled) {
> pci_hole64_size = object_property_get_uint(OBJECT(q35_host),
>@@ -219,18 +219,15 @@ static void pc_q35_init(MachineState *machine)
> pci_hole64_size);
>
> object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host));
>- object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM,
>- OBJECT(ram_memory), NULL);
>- object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_PCI_MEM,
>- OBJECT(pci_memory), NULL);
>- object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_SYSTEM_MEM,
>- OBJECT(get_system_memory()), NULL);
>- object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_IO_MEM,
>- OBJECT(system_io), NULL);
>- object_property_set_int(OBJECT(q35_host), PCI_HOST_BELOW_4G_MEM_SIZE,
>- x86ms->below_4g_mem_size, NULL);
>- object_property_set_int(OBJECT(q35_host), PCI_HOST_ABOVE_4G_MEM_SIZE,
>- x86ms->above_4g_mem_size, NULL);
>+ qdev_prop_set_link(q35_host, MCH_HOST_PROP_RAM_MEM, OBJECT(ram_memory));
>+ qdev_prop_set_link(q35_host, MCH_HOST_PROP_PCI_MEM, OBJECT(pci_memory));
>+ qdev_prop_set_link(q35_host, MCH_HOST_PROP_IO_MEM, OBJECT(system_io));
>+ qdev_prop_set_link(q35_host, MCH_HOST_PROP_SYSTEM_MEM,
>+ OBJECT(get_system_memory()));
>+ qdev_prop_set_uint64(q35_host, PCI_HOST_BELOW_4G_MEM_SIZE,
>+ x86ms->below_4g_mem_size);
>+ qdev_prop_set_uint64(q35_host, PCI_HOST_ABOVE_4G_MEM_SIZE,
>+ x86ms->above_4g_mem_size);
> /* pci */
> sysbus_realize_and_unref(SYS_BUS_DEVICE(q35_host), &error_fatal);
> phb = PCI_HOST_BRIDGE(q35_host);
>diff --git a/hw/i386/sgx.c b/hw/i386/sgx.c
>index 6a729bff94..196fa5afee 100644
>--- a/hw/i386/sgx.c
>+++ b/hw/i386/sgx.c
>@@ -304,8 +304,7 @@ void pc_machine_init_sgx_epc(PCMachineState *pcms)
> object_property_parse(OBJECT(dev), SGX_EPC_MEMDEV_PROP,
> list->value->memdev, &error_fatal);
> /* set the numa node property for sgx epc object */
>- object_property_set_uint(OBJECT(dev), SGX_EPC_NUMA_NODE_PROP,
>- list->value->node, &error_fatal);
>+ qdev_prop_set_uint32(dev, SGX_EPC_NUMA_NODE_PROP, list->value->node);
> qdev_realize_and_unref(dev, NULL, &error_fatal);
> }
>
>diff --git a/hw/i386/x86.c b/hw/i386/x86.c
>index eaff4227bd..191a8c36ee 100644
>--- a/hw/i386/x86.c
>+++ b/hw/i386/x86.c
>@@ -43,6 +43,7 @@
> #include "sysemu/xen.h"
> #include "trace.h"
>
>+#include "hw/qdev-properties.h"
> #include "hw/i386/x86.h"
> #include "target/i386/cpu.h"
> #include "hw/i386/topology.h"
>@@ -96,15 +97,10 @@ uint32_t x86_cpu_apic_id_from_index(X86MachineState *x86ms,
>
> void x86_cpu_new(X86MachineState *x86ms, int64_t apic_id, Error **errp)
> {
>- Object *cpu = object_new(MACHINE(x86ms)->cpu_type);
>+ DeviceState *cpu = DEVICE(object_new(MACHINE(x86ms)->cpu_type));
>
>- if (!object_property_set_uint(cpu, "apic-id", apic_id, errp)) {
>- goto out;
>- }
>- qdev_realize(DEVICE(cpu), NULL, errp);
>-
>-out:
>- object_unref(cpu);
>+ qdev_prop_set_uint32(cpu, "apic-id", apic_id);
>+ qdev_realize(cpu, NULL, errp);
> }
>
> void x86_cpus_init(X86MachineState *x86ms, int default_cpu_version)
>diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
>index 50ef83215c..d6e0c8b680 100644
>--- a/hw/mem/pc-dimm.c
>+++ b/hw/mem/pc-dimm.c
>@@ -66,8 +66,7 @@ void pc_dimm_pre_plug(PCDIMMDevice *dimm, MachineState
>*machine,
> error_propagate(errp, local_err);
> return;
> }
>- object_property_set_int(OBJECT(dimm), PC_DIMM_SLOT_PROP, slot,
>- &error_abort);
>+ qdev_prop_set_int32(DEVICE(dimm), PC_DIMM_SLOT_PROP, slot);
> trace_mhp_pc_dimm_assigned_slot(slot);
>
> memory_device_pre_plug(MEMORY_DEVICE(dimm), machine, legacy_align,
>@@ -234,7 +233,7 @@ static uint64_t pc_dimm_md_get_addr(const
>MemoryDeviceState *md)
> static void pc_dimm_md_set_addr(MemoryDeviceState *md, uint64_t addr,
> Error **errp)
> {
>- object_property_set_uint(OBJECT(md), PC_DIMM_ADDR_PROP, addr, errp);
>+ qdev_prop_set_uint64(DEVICE(md), PC_DIMM_ADDR_PROP, addr);
> }
>
> static MemoryRegion *pc_dimm_md_get_memory_region(MemoryDeviceState *md,
>diff --git a/target/i386/cpu.c b/target/i386/cpu.c
>index 4d2b8d0444..5532cd42c5 100644
>--- a/target/i386/cpu.c
>+++ b/target/i386/cpu.c
>@@ -5073,10 +5073,8 @@ static void x86_cpu_load_model(X86CPU *cpu, X86CPUModel
>*model)
> */
>
> /* CPU models only set _minimum_ values for level/xlevel: */
>- object_property_set_uint(OBJECT(cpu), "min-level", def->level,
>- &error_abort);
>- object_property_set_uint(OBJECT(cpu), "min-xlevel", def->xlevel,
>- &error_abort);
>+ qdev_prop_set_uint32(DEVICE(cpu), "min-level", def->level);
>+ qdev_prop_set_uint32(DEVICE(cpu), "min-xlevel", def->xlevel);
>
> object_property_set_int(OBJECT(cpu), "family", def->family, &error_abort);
> object_property_set_int(OBJECT(cpu), "model", def->model, &error_abort);
>diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c
>index 10f8aba86e..0307eaa208 100644
>--- a/target/i386/host-cpu.c
>+++ b/target/i386/host-cpu.c
>@@ -158,7 +158,7 @@ void host_cpu_instance_init(X86CPU *cpu)
>
> host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
> x86_cpu_vendor_words2str(vendor, ebx, edx, ecx);
>- object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort);
>+ qdev_prop_set_string(DEVICE(cpu), "vendor", vendor);
> }
> }
>
>@@ -174,13 +174,12 @@ void host_cpu_max_instance_init(X86CPU *cpu)
> host_cpu_vendor_fms(vendor, &family, &model, &stepping);
> host_cpu_fill_model_id(model_id);
>
>- object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort);
>+ qdev_prop_set_string(DEVICE(cpu), "vendor", vendor);
> object_property_set_int(OBJECT(cpu), "family", family, &error_abort);
> object_property_set_int(OBJECT(cpu), "model", model, &error_abort);
> object_property_set_int(OBJECT(cpu), "stepping", stepping,
> &error_abort);
>- object_property_set_str(OBJECT(cpu), "model-id", model_id,
>- &error_abort);
>+ qdev_prop_set_string(DEVICE(cpu), "model-id", model_id);
> }
>
> static void host_cpu_class_init(ObjectClass *oc, void *data)
- [PATCH 03/19] hw/acpi: Set QDev properties using QDev API, (continued)
- [PATCH 03/19] hw/acpi: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 04/19] hw/audio: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [RFC PATCH 05/19] hw/core/numa: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 06/19] hw/core/gpio: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [RFC PATCH 07/19] hw/scsi: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 08/19] hw/usb: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 09/19] hw/virtio: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 10/19] hw/avr: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 11/19] hw/hppa: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [RFC PATCH 12/19] hw/i386: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- Re: [RFC PATCH 12/19] hw/i386: Set QDev properties using QDev API,
Bernhard Beschow <=
- [PATCH 13/19] hw/m68k: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 14/19] hw/microblaze: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [RFC PATCH 15/19] hw/mips: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 16/19] hw/nios2: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [RFC PATCH 17/19] hw/riscv: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 18/19] hw/rx: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- [PATCH 19/19] hw/sparc: Set QDev properties using QDev API, Philippe Mathieu-Daudé, 2023/02/03
- Re: [PATCH 00/19] hw: Set QDev properties using QDev API (part 1/3), Philippe Mathieu-Daudé, 2023/02/03