Message ID | 20190308152511.10882-3-eric.auger@redhat.com |
---|---|
State | New |
Headers | show |
Series | machine: Move nvdimms state into struct MachineState | expand |
On Fri, Mar 08, 2019 at 04:25:11PM +0100, Eric Auger wrote: [...] > @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) > ms->mem_merge = true; > ms->enable_graphics = true; > > + if (mc->nvdimm_supported) { > + ObjectClass *oc = OBJECT_CLASS(mc); > + > + ms->nvdimms_state = g_new0(NVDIMMState, 1); Initializing ms->nvdimms_state inside machine_initfn() only if mc->nvdimm_support makes sense. But: > + object_class_property_add_bool(oc, "nvdimm", > + machine_get_nvdimm, machine_set_nvdimm, > + &error_abort); > + object_class_property_set_description(oc, "nvdimm", > + "Set on/off to enable/disable " > + "NVDIMM instantiation", NULL); > + > + object_class_property_add_str(oc, "nvdimm-persistence", > + machine_get_nvdimm_persistence, > + machine_set_nvdimm_persistence, > + &error_abort); > + object_class_property_set_description(oc, "nvdimm-persistence", > + "Set NVDIMM persistence" > + "Valid values are cpu, mem-ctrl", > + NULL); Calling object_class_property_add_*() inside instance_init defeats the purpose of class properties. I suggest either using object_property_add_*(), or registering these class properties in machine_class_base_init(). > [...]
On Fri, Mar 08, 2019 at 02:42:14PM -0300, Eduardo Habkost wrote: > On Fri, Mar 08, 2019 at 04:25:11PM +0100, Eric Auger wrote: > [...] > > @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) > > ms->mem_merge = true; > > ms->enable_graphics = true; > > > > + if (mc->nvdimm_supported) { > > + ObjectClass *oc = OBJECT_CLASS(mc); > > + > > + ms->nvdimms_state = g_new0(NVDIMMState, 1); > > Initializing ms->nvdimms_state inside machine_initfn() > only if mc->nvdimm_support makes sense. > > But: > > > + object_class_property_add_bool(oc, "nvdimm", > > + machine_get_nvdimm, machine_set_nvdimm, > > + &error_abort); > > + object_class_property_set_description(oc, "nvdimm", > > + "Set on/off to enable/disable " > > + "NVDIMM instantiation", NULL); > > + > > + object_class_property_add_str(oc, "nvdimm-persistence", > > + machine_get_nvdimm_persistence, > > + machine_set_nvdimm_persistence, > > + &error_abort); > > + object_class_property_set_description(oc, "nvdimm-persistence", > > + "Set NVDIMM persistence" > > + "Valid values are cpu, mem-ctrl", > > + NULL); > > Calling object_class_property_add_*() inside instance_init > defeats the purpose of class properties. I suggest either using > object_property_add_*(), or registering these class properties in > machine_class_base_init(). I just realized that machine_class_base_init() won't work, as it is called before the subclasses' class_init functions. The only solutions I see here are using object_property_add*() or creating a nvdimm_machine_class_init(MachineClass*) helper that will set mc->nvdimm_supported=true and register the class properties.
hi Eric, On 3/8/19 4:25 PM, Eric Auger wrote: > As NVDIMM support is looming for ARM and SPAPR, let's > move the acpi_nvdimm_state to the generic machine struct > instead of duplicating the same code in several machines. > It is also renamed into nvdimms_state and becomes a pointer. > > nvdimm and nvdimm-persistence become generic machine options. > They become guarded by a nvdimm_supported machine class member. > We also add a description for those options. > > Signed-off-by: Eric Auger <eric.auger@redhat.com> > Suggested-by: Igor Mammedov <imammedo@redhat.com> > > --- > v2 -> v3 > - nvdimms_state becomes a pointer > - add machine class nvdimm_supported > > v1 -> v2: > - s/acpi_nvdimm_state/nvdimms_state > - remove ms->nvdimms_state.is_enabled initialization to false. > --- > hw/core/machine.c | 65 ++++++++++++++++++++++++++++++++++++++++++++ > hw/i386/acpi-build.c | 6 ++-- > hw/i386/pc.c | 57 ++++---------------------------------- > hw/i386/pc_piix.c | 4 +-- > hw/i386/pc_q35.c | 4 +-- > include/hw/boards.h | 2 ++ > include/hw/i386/pc.h | 4 --- > 7 files changed, 79 insertions(+), 63 deletions(-) > > diff --git a/hw/core/machine.c b/hw/core/machine.c > index 766ca5899d..29a33194a9 100644 > --- a/hw/core/machine.c > +++ b/hw/core/machine.c > @@ -22,6 +22,7 @@ > #include "qemu/error-report.h" > #include "sysemu/qtest.h" > #include "hw/pci/pci.h" > +#include "hw/mem/nvdimm.h" > > GlobalProperty hw_compat_3_1[] = { > { "pcie-root-port", "x-speed", "2_5" }, > @@ -481,6 +482,47 @@ static void machine_set_memory_encryption(Object *obj, const char *value, > ms->memory_encryption = g_strdup(value); > } > > +static bool machine_get_nvdimm(Object *obj, Error **errp) > +{ > + MachineState *ms = MACHINE(obj); > + > + return ms->nvdimms_state->is_enabled; > +} > + > +static void machine_set_nvdimm(Object *obj, bool value, Error **errp) > +{ > + MachineState *ms = MACHINE(obj); > + > + ms->nvdimms_state->is_enabled = value; > +} > + > +static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) > +{ > + MachineState *ms = MACHINE(obj); > + > + return g_strdup(ms->nvdimms_state->persistence_string); > +} > + > +static void machine_set_nvdimm_persistence(Object *obj, const char *value, > + Error **errp) > +{ > + MachineState *ms = MACHINE(obj); > + NVDIMMState *nvdimms_state = ms->nvdimms_state; > + > + if (strcmp(value, "cpu") == 0) { > + nvdimms_state->persistence = 3; > + } else if (strcmp(value, "mem-ctrl") == 0) { > + nvdimms_state->persistence = 2; > + } else { > + error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", > + value); > + return; > + } > + > + g_free(nvdimms_state->persistence_string); > + nvdimms_state->persistence_string = g_strdup(value); > +} > + > void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) > { > strList *item = g_new0(strList, 1); > @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) > ms->mem_merge = true; > ms->enable_graphics = true; > > + if (mc->nvdimm_supported) { > + ObjectClass *oc = OBJECT_CLASS(mc); > + > + ms->nvdimms_state = g_new0(NVDIMMState, 1); > + object_class_property_add_bool(oc, "nvdimm", > + machine_get_nvdimm, machine_set_nvdimm, > + &error_abort); > + object_class_property_set_description(oc, "nvdimm", > + "Set on/off to enable/disable " > + "NVDIMM instantiation", NULL); > + > + object_class_property_add_str(oc, "nvdimm-persistence", > + machine_get_nvdimm_persistence, > + machine_set_nvdimm_persistence, > + &error_abort); > + object_class_property_set_description(oc, "nvdimm-persistence", > + "Set NVDIMM persistence" > + "Valid values are cpu, mem-ctrl", > + NULL); > + } > + > + > /* Register notifier when init is done for sysbus sanity checks */ > ms->sysbus_notifier.notify = machine_init_notify; > qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); > @@ -809,6 +873,7 @@ static void machine_finalize(Object *obj) > g_free(ms->dt_compatible); > g_free(ms->firmware); > g_free(ms->device_memory); > + g_free(ms->nvdimms_state); > } > > bool machine_usb(MachineState *machine) > diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > index 9ecc96dcc7..416da318ae 100644 > --- a/hw/i386/acpi-build.c > +++ b/hw/i386/acpi-build.c > @@ -1867,7 +1867,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > aml_append(scope, method); > } > > - if (pcms->acpi_nvdimm_state.is_enabled) { > + if (machine->nvdimms_state->is_enabled) { > method = aml_method("_E04", 0, AML_NOTSERIALIZED); > aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), > aml_int(0x80))); > @@ -2704,9 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) > build_dmar_q35(tables_blob, tables->linker); > } > } > - if (pcms->acpi_nvdimm_state.is_enabled) { > + if (machine->nvdimms_state->is_enabled) { > nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, > - &pcms->acpi_nvdimm_state, machine->ram_slots); > + machine->nvdimms_state, machine->ram_slots); > } > > /* Add tables supplied by user (if any) */ > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 0338dbe9da..71385cfac9 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -2069,6 +2069,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, > { > const PCMachineState *pcms = PC_MACHINE(hotplug_dev); > const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); > + const MachineState *ms = MACHINE(hotplug_dev); > const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); > const uint64_t legacy_align = TARGET_PAGE_SIZE; > > @@ -2083,7 +2084,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, > return; > } > > - if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { > + if (is_nvdimm && !ms->nvdimms_state->is_enabled) { > error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"); > return; > } > @@ -2097,6 +2098,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, > { > Error *local_err = NULL; > PCMachineState *pcms = PC_MACHINE(hotplug_dev); > + MachineState *ms = MACHINE(hotplug_dev); > bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); > > pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms), &local_err); > @@ -2105,7 +2107,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, > } > > if (is_nvdimm) { > - nvdimm_plug(&pcms->acpi_nvdimm_state); > + nvdimm_plug(ms->nvdimms_state); > } > > hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort); > @@ -2546,47 +2548,6 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, > visit_type_OnOffAuto(v, name, &pcms->smm, errp); > } > > -static bool pc_machine_get_nvdimm(Object *obj, Error **errp) > -{ > - PCMachineState *pcms = PC_MACHINE(obj); > - > - return pcms->acpi_nvdimm_state.is_enabled; > -} > - > -static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) > -{ > - PCMachineState *pcms = PC_MACHINE(obj); > - > - pcms->acpi_nvdimm_state.is_enabled = value; > -} > - > -static char *pc_machine_get_nvdimm_persistence(Object *obj, Error **errp) > -{ > - PCMachineState *pcms = PC_MACHINE(obj); > - > - return g_strdup(pcms->acpi_nvdimm_state.persistence_string); > -} > - > -static void pc_machine_set_nvdimm_persistence(Object *obj, const char *value, > - Error **errp) > -{ > - PCMachineState *pcms = PC_MACHINE(obj); > - NVDIMMState *nvdimm_state = &pcms->acpi_nvdimm_state; > - > - if (strcmp(value, "cpu") == 0) > - nvdimm_state->persistence = 3; > - else if (strcmp(value, "mem-ctrl") == 0) > - nvdimm_state->persistence = 2; > - else { > - error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", > - value); > - return; > - } > - > - g_free(nvdimm_state->persistence_string); > - nvdimm_state->persistence_string = g_strdup(value); > -} > - > static bool pc_machine_get_smbus(Object *obj, Error **errp) > { > PCMachineState *pcms = PC_MACHINE(obj); > @@ -2636,8 +2597,6 @@ static void pc_machine_initfn(Object *obj) > pcms->max_ram_below_4g = 0; /* use default */ > pcms->smm = ON_OFF_AUTO_AUTO; > pcms->vmport = ON_OFF_AUTO_AUTO; > - /* nvdimm is disabled on default. */ > - pcms->acpi_nvdimm_state.is_enabled = false; > /* acpi build is enabled by default if machine supports it */ > pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; > pcms->smbus_enabled = true; > @@ -2774,6 +2733,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) > hc->unplug = pc_machine_device_unplug_cb; > nc->nmi_monitor_handler = x86_nmi; > mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; > + mc->nvdimm_supported = true; > > object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", > pc_machine_get_device_memory_region_size, NULL, > @@ -2798,13 +2758,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) > object_class_property_set_description(oc, PC_MACHINE_VMPORT, > "Enable vmport (pc & q35)", &error_abort); > > - object_class_property_add_bool(oc, PC_MACHINE_NVDIMM, > - pc_machine_get_nvdimm, pc_machine_set_nvdimm, &error_abort); > - > - object_class_property_add_str(oc, PC_MACHINE_NVDIMM_PERSIST, > - pc_machine_get_nvdimm_persistence, > - pc_machine_set_nvdimm_persistence, &error_abort); > - > object_class_property_add_bool(oc, PC_MACHINE_SMBUS, > pc_machine_get_smbus, pc_machine_set_smbus, &error_abort); > > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > index 8770ecada9..8ad8e885c6 100644 > --- a/hw/i386/pc_piix.c > +++ b/hw/i386/pc_piix.c > @@ -297,8 +297,8 @@ static void pc_init1(MachineState *machine, > PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); > } > > - if (pcms->acpi_nvdimm_state.is_enabled) { > - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, > + if (machine->nvdimms_state->is_enabled) { > + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, > pcms->fw_cfg, OBJECT(pcms)); > } > } > diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c > index cfb9043e12..372c6b73be 100644 > --- a/hw/i386/pc_q35.c > +++ b/hw/i386/pc_q35.c > @@ -329,8 +329,8 @@ static void pc_q35_init(MachineState *machine) > pc_vga_init(isa_bus, host_bus); > pc_nic_init(pcmc, isa_bus, host_bus); > > - if (pcms->acpi_nvdimm_state.is_enabled) { > - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, > + if (machine->nvdimms_state->is_enabled) { > + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, > pcms->fw_cfg, OBJECT(pcms)); > } > } > diff --git a/include/hw/boards.h b/include/hw/boards.h > index 9690c71a6d..e231860666 100644 > --- a/include/hw/boards.h > +++ b/include/hw/boards.h > @@ -210,6 +210,7 @@ struct MachineClass { > int nb_nodes, ram_addr_t size); > bool ignore_boot_device_suffixes; > bool smbus_no_migration_support; > + bool nvdimm_supported; > > HotplugHandler *(*get_hotplug_handler)(MachineState *machine, > DeviceState *dev); > @@ -272,6 +273,7 @@ struct MachineState { > const char *cpu_type; > AccelState *accelerator; > CPUArchIdList *possible_cpus; > + struct NVDIMMState *nvdimms_state; What about simply 'nvdimm'? - it is already part of a state - no plural, there is only 1 state > }; > > #define DEFINE_MACHINE(namestr, machine_initfn) \ > diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > index 94fb620d65..263a6343ff 100644 > --- a/include/hw/i386/pc.h > +++ b/include/hw/i386/pc.h > @@ -45,8 +45,6 @@ struct PCMachineState { > OnOffAuto vmport; > OnOffAuto smm; > > - NVDIMMState acpi_nvdimm_state; > - > bool acpi_build_enabled; > bool smbus_enabled; > bool sata_enabled; > @@ -74,8 +72,6 @@ struct PCMachineState { > #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" > #define PC_MACHINE_VMPORT "vmport" > #define PC_MACHINE_SMM "smm" > -#define PC_MACHINE_NVDIMM "nvdimm" > -#define PC_MACHINE_NVDIMM_PERSIST "nvdimm-persistence" > #define PC_MACHINE_SMBUS "smbus" > #define PC_MACHINE_SATA "sata" > #define PC_MACHINE_PIT "pit" >
Hi Philippe, On 3/8/19 7:02 PM, Philippe Mathieu-Daudé wrote: > hi Eric, > > On 3/8/19 4:25 PM, Eric Auger wrote: >> As NVDIMM support is looming for ARM and SPAPR, let's >> move the acpi_nvdimm_state to the generic machine struct >> instead of duplicating the same code in several machines. >> It is also renamed into nvdimms_state and becomes a pointer. >> >> nvdimm and nvdimm-persistence become generic machine options. >> They become guarded by a nvdimm_supported machine class member. >> We also add a description for those options. >> >> Signed-off-by: Eric Auger <eric.auger@redhat.com> >> Suggested-by: Igor Mammedov <imammedo@redhat.com> >> >> --- >> v2 -> v3 >> - nvdimms_state becomes a pointer >> - add machine class nvdimm_supported >> >> v1 -> v2: >> - s/acpi_nvdimm_state/nvdimms_state >> - remove ms->nvdimms_state.is_enabled initialization to false. >> --- >> hw/core/machine.c | 65 ++++++++++++++++++++++++++++++++++++++++++++ >> hw/i386/acpi-build.c | 6 ++-- >> hw/i386/pc.c | 57 ++++---------------------------------- >> hw/i386/pc_piix.c | 4 +-- >> hw/i386/pc_q35.c | 4 +-- >> include/hw/boards.h | 2 ++ >> include/hw/i386/pc.h | 4 --- >> 7 files changed, 79 insertions(+), 63 deletions(-) >> >> diff --git a/hw/core/machine.c b/hw/core/machine.c >> index 766ca5899d..29a33194a9 100644 >> --- a/hw/core/machine.c >> +++ b/hw/core/machine.c >> @@ -22,6 +22,7 @@ >> #include "qemu/error-report.h" >> #include "sysemu/qtest.h" >> #include "hw/pci/pci.h" >> +#include "hw/mem/nvdimm.h" >> >> GlobalProperty hw_compat_3_1[] = { >> { "pcie-root-port", "x-speed", "2_5" }, >> @@ -481,6 +482,47 @@ static void machine_set_memory_encryption(Object *obj, const char *value, >> ms->memory_encryption = g_strdup(value); >> } >> >> +static bool machine_get_nvdimm(Object *obj, Error **errp) >> +{ >> + MachineState *ms = MACHINE(obj); >> + >> + return ms->nvdimms_state->is_enabled; >> +} >> + >> +static void machine_set_nvdimm(Object *obj, bool value, Error **errp) >> +{ >> + MachineState *ms = MACHINE(obj); >> + >> + ms->nvdimms_state->is_enabled = value; >> +} >> + >> +static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) >> +{ >> + MachineState *ms = MACHINE(obj); >> + >> + return g_strdup(ms->nvdimms_state->persistence_string); >> +} >> + >> +static void machine_set_nvdimm_persistence(Object *obj, const char *value, >> + Error **errp) >> +{ >> + MachineState *ms = MACHINE(obj); >> + NVDIMMState *nvdimms_state = ms->nvdimms_state; >> + >> + if (strcmp(value, "cpu") == 0) { >> + nvdimms_state->persistence = 3; >> + } else if (strcmp(value, "mem-ctrl") == 0) { >> + nvdimms_state->persistence = 2; >> + } else { >> + error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", >> + value); >> + return; >> + } >> + >> + g_free(nvdimms_state->persistence_string); >> + nvdimms_state->persistence_string = g_strdup(value); >> +} >> + >> void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) >> { >> strList *item = g_new0(strList, 1); >> @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) >> ms->mem_merge = true; >> ms->enable_graphics = true; >> >> + if (mc->nvdimm_supported) { >> + ObjectClass *oc = OBJECT_CLASS(mc); >> + >> + ms->nvdimms_state = g_new0(NVDIMMState, 1); >> + object_class_property_add_bool(oc, "nvdimm", >> + machine_get_nvdimm, machine_set_nvdimm, >> + &error_abort); >> + object_class_property_set_description(oc, "nvdimm", >> + "Set on/off to enable/disable " >> + "NVDIMM instantiation", NULL); >> + >> + object_class_property_add_str(oc, "nvdimm-persistence", >> + machine_get_nvdimm_persistence, >> + machine_set_nvdimm_persistence, >> + &error_abort); >> + object_class_property_set_description(oc, "nvdimm-persistence", >> + "Set NVDIMM persistence" >> + "Valid values are cpu, mem-ctrl", >> + NULL); >> + } >> + >> + >> /* Register notifier when init is done for sysbus sanity checks */ >> ms->sysbus_notifier.notify = machine_init_notify; >> qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); >> @@ -809,6 +873,7 @@ static void machine_finalize(Object *obj) >> g_free(ms->dt_compatible); >> g_free(ms->firmware); >> g_free(ms->device_memory); >> + g_free(ms->nvdimms_state); >> } >> >> bool machine_usb(MachineState *machine) >> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c >> index 9ecc96dcc7..416da318ae 100644 >> --- a/hw/i386/acpi-build.c >> +++ b/hw/i386/acpi-build.c >> @@ -1867,7 +1867,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, >> aml_append(scope, method); >> } >> >> - if (pcms->acpi_nvdimm_state.is_enabled) { >> + if (machine->nvdimms_state->is_enabled) { >> method = aml_method("_E04", 0, AML_NOTSERIALIZED); >> aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), >> aml_int(0x80))); >> @@ -2704,9 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) >> build_dmar_q35(tables_blob, tables->linker); >> } >> } >> - if (pcms->acpi_nvdimm_state.is_enabled) { >> + if (machine->nvdimms_state->is_enabled) { >> nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, >> - &pcms->acpi_nvdimm_state, machine->ram_slots); >> + machine->nvdimms_state, machine->ram_slots); >> } >> >> /* Add tables supplied by user (if any) */ >> diff --git a/hw/i386/pc.c b/hw/i386/pc.c >> index 0338dbe9da..71385cfac9 100644 >> --- a/hw/i386/pc.c >> +++ b/hw/i386/pc.c >> @@ -2069,6 +2069,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, >> { >> const PCMachineState *pcms = PC_MACHINE(hotplug_dev); >> const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); >> + const MachineState *ms = MACHINE(hotplug_dev); >> const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); >> const uint64_t legacy_align = TARGET_PAGE_SIZE; >> >> @@ -2083,7 +2084,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, >> return; >> } >> >> - if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { >> + if (is_nvdimm && !ms->nvdimms_state->is_enabled) { >> error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"); >> return; >> } >> @@ -2097,6 +2098,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, >> { >> Error *local_err = NULL; >> PCMachineState *pcms = PC_MACHINE(hotplug_dev); >> + MachineState *ms = MACHINE(hotplug_dev); >> bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); >> >> pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms), &local_err); >> @@ -2105,7 +2107,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, >> } >> >> if (is_nvdimm) { >> - nvdimm_plug(&pcms->acpi_nvdimm_state); >> + nvdimm_plug(ms->nvdimms_state); >> } >> >> hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort); >> @@ -2546,47 +2548,6 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, >> visit_type_OnOffAuto(v, name, &pcms->smm, errp); >> } >> >> -static bool pc_machine_get_nvdimm(Object *obj, Error **errp) >> -{ >> - PCMachineState *pcms = PC_MACHINE(obj); >> - >> - return pcms->acpi_nvdimm_state.is_enabled; >> -} >> - >> -static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) >> -{ >> - PCMachineState *pcms = PC_MACHINE(obj); >> - >> - pcms->acpi_nvdimm_state.is_enabled = value; >> -} >> - >> -static char *pc_machine_get_nvdimm_persistence(Object *obj, Error **errp) >> -{ >> - PCMachineState *pcms = PC_MACHINE(obj); >> - >> - return g_strdup(pcms->acpi_nvdimm_state.persistence_string); >> -} >> - >> -static void pc_machine_set_nvdimm_persistence(Object *obj, const char *value, >> - Error **errp) >> -{ >> - PCMachineState *pcms = PC_MACHINE(obj); >> - NVDIMMState *nvdimm_state = &pcms->acpi_nvdimm_state; >> - >> - if (strcmp(value, "cpu") == 0) >> - nvdimm_state->persistence = 3; >> - else if (strcmp(value, "mem-ctrl") == 0) >> - nvdimm_state->persistence = 2; >> - else { >> - error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", >> - value); >> - return; >> - } >> - >> - g_free(nvdimm_state->persistence_string); >> - nvdimm_state->persistence_string = g_strdup(value); >> -} >> - >> static bool pc_machine_get_smbus(Object *obj, Error **errp) >> { >> PCMachineState *pcms = PC_MACHINE(obj); >> @@ -2636,8 +2597,6 @@ static void pc_machine_initfn(Object *obj) >> pcms->max_ram_below_4g = 0; /* use default */ >> pcms->smm = ON_OFF_AUTO_AUTO; >> pcms->vmport = ON_OFF_AUTO_AUTO; >> - /* nvdimm is disabled on default. */ >> - pcms->acpi_nvdimm_state.is_enabled = false; >> /* acpi build is enabled by default if machine supports it */ >> pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; >> pcms->smbus_enabled = true; >> @@ -2774,6 +2733,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) >> hc->unplug = pc_machine_device_unplug_cb; >> nc->nmi_monitor_handler = x86_nmi; >> mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; >> + mc->nvdimm_supported = true; >> >> object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", >> pc_machine_get_device_memory_region_size, NULL, >> @@ -2798,13 +2758,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) >> object_class_property_set_description(oc, PC_MACHINE_VMPORT, >> "Enable vmport (pc & q35)", &error_abort); >> >> - object_class_property_add_bool(oc, PC_MACHINE_NVDIMM, >> - pc_machine_get_nvdimm, pc_machine_set_nvdimm, &error_abort); >> - >> - object_class_property_add_str(oc, PC_MACHINE_NVDIMM_PERSIST, >> - pc_machine_get_nvdimm_persistence, >> - pc_machine_set_nvdimm_persistence, &error_abort); >> - >> object_class_property_add_bool(oc, PC_MACHINE_SMBUS, >> pc_machine_get_smbus, pc_machine_set_smbus, &error_abort); >> >> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c >> index 8770ecada9..8ad8e885c6 100644 >> --- a/hw/i386/pc_piix.c >> +++ b/hw/i386/pc_piix.c >> @@ -297,8 +297,8 @@ static void pc_init1(MachineState *machine, >> PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); >> } >> >> - if (pcms->acpi_nvdimm_state.is_enabled) { >> - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, >> + if (machine->nvdimms_state->is_enabled) { >> + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, >> pcms->fw_cfg, OBJECT(pcms)); >> } >> } >> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c >> index cfb9043e12..372c6b73be 100644 >> --- a/hw/i386/pc_q35.c >> +++ b/hw/i386/pc_q35.c >> @@ -329,8 +329,8 @@ static void pc_q35_init(MachineState *machine) >> pc_vga_init(isa_bus, host_bus); >> pc_nic_init(pcmc, isa_bus, host_bus); >> >> - if (pcms->acpi_nvdimm_state.is_enabled) { >> - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, >> + if (machine->nvdimms_state->is_enabled) { >> + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, >> pcms->fw_cfg, OBJECT(pcms)); >> } >> } >> diff --git a/include/hw/boards.h b/include/hw/boards.h >> index 9690c71a6d..e231860666 100644 >> --- a/include/hw/boards.h >> +++ b/include/hw/boards.h >> @@ -210,6 +210,7 @@ struct MachineClass { >> int nb_nodes, ram_addr_t size); >> bool ignore_boot_device_suffixes; >> bool smbus_no_migration_support; >> + bool nvdimm_supported; >> >> HotplugHandler *(*get_hotplug_handler)(MachineState *machine, >> DeviceState *dev); >> @@ -272,6 +273,7 @@ struct MachineState { >> const char *cpu_type; >> AccelState *accelerator; >> CPUArchIdList *possible_cpus; >> + struct NVDIMMState *nvdimms_state; > > What about simply 'nvdimm'? > - it is already part of a state > - no plural, there is only 1 state Well actually I followed Igor's suggestion (https://www.mail-archive.com/qemu-devel@nongnu.org/msg601980.html). The state contains information about all present NVDIMMs (See NvdimmFitBuffer comment and "fit: FIT structures for present NVDIMMs"). No strong opinion though. Thanks Eric > >> }; >> >> #define DEFINE_MACHINE(namestr, machine_initfn) \ >> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h >> index 94fb620d65..263a6343ff 100644 >> --- a/include/hw/i386/pc.h >> +++ b/include/hw/i386/pc.h >> @@ -45,8 +45,6 @@ struct PCMachineState { >> OnOffAuto vmport; >> OnOffAuto smm; >> >> - NVDIMMState acpi_nvdimm_state; >> - >> bool acpi_build_enabled; >> bool smbus_enabled; >> bool sata_enabled; >> @@ -74,8 +72,6 @@ struct PCMachineState { >> #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" >> #define PC_MACHINE_VMPORT "vmport" >> #define PC_MACHINE_SMM "smm" >> -#define PC_MACHINE_NVDIMM "nvdimm" >> -#define PC_MACHINE_NVDIMM_PERSIST "nvdimm-persistence" >> #define PC_MACHINE_SMBUS "smbus" >> #define PC_MACHINE_SATA "sata" >> #define PC_MACHINE_PIT "pit" >>
On Fri, Mar 8, 2019 at 7:16 PM Auger Eric <eric.auger@redhat.com> wrote: > Hi Philippe, > On 3/8/19 7:02 PM, Philippe Mathieu-Daudé wrote: > > hi Eric, > > > > On 3/8/19 4:25 PM, Eric Auger wrote: > >> As NVDIMM support is looming for ARM and SPAPR, let's > >> move the acpi_nvdimm_state to the generic machine struct > >> instead of duplicating the same code in several machines. > >> It is also renamed into nvdimms_state and becomes a pointer. > >> > >> nvdimm and nvdimm-persistence become generic machine options. > >> They become guarded by a nvdimm_supported machine class member. > >> We also add a description for those options. > >> > >> Signed-off-by: Eric Auger <eric.auger@redhat.com> > >> Suggested-by: Igor Mammedov <imammedo@redhat.com> > >> > >> --- > >> v2 -> v3 > >> - nvdimms_state becomes a pointer > >> - add machine class nvdimm_supported > >> > >> v1 -> v2: > >> - s/acpi_nvdimm_state/nvdimms_state > >> - remove ms->nvdimms_state.is_enabled initialization to false. > >> --- > >> hw/core/machine.c | 65 ++++++++++++++++++++++++++++++++++++++++++++ > >> hw/i386/acpi-build.c | 6 ++-- > >> hw/i386/pc.c | 57 ++++---------------------------------- > >> hw/i386/pc_piix.c | 4 +-- > >> hw/i386/pc_q35.c | 4 +-- > >> include/hw/boards.h | 2 ++ > >> include/hw/i386/pc.h | 4 --- > >> 7 files changed, 79 insertions(+), 63 deletions(-) > >> > >> diff --git a/hw/core/machine.c b/hw/core/machine.c > >> index 766ca5899d..29a33194a9 100644 > >> --- a/hw/core/machine.c > >> +++ b/hw/core/machine.c > >> @@ -22,6 +22,7 @@ > >> #include "qemu/error-report.h" > >> #include "sysemu/qtest.h" > >> #include "hw/pci/pci.h" > >> +#include "hw/mem/nvdimm.h" > >> > >> GlobalProperty hw_compat_3_1[] = { > >> { "pcie-root-port", "x-speed", "2_5" }, > >> @@ -481,6 +482,47 @@ static void machine_set_memory_encryption(Object *obj, const char *value, > >> ms->memory_encryption = g_strdup(value); > >> } > >> > >> +static bool machine_get_nvdimm(Object *obj, Error **errp) > >> +{ > >> + MachineState *ms = MACHINE(obj); > >> + > >> + return ms->nvdimms_state->is_enabled; > >> +} > >> + > >> +static void machine_set_nvdimm(Object *obj, bool value, Error **errp) > >> +{ > >> + MachineState *ms = MACHINE(obj); > >> + > >> + ms->nvdimms_state->is_enabled = value; > >> +} > >> + > >> +static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) > >> +{ > >> + MachineState *ms = MACHINE(obj); > >> + > >> + return g_strdup(ms->nvdimms_state->persistence_string); > >> +} > >> + > >> +static void machine_set_nvdimm_persistence(Object *obj, const char *value, > >> + Error **errp) > >> +{ > >> + MachineState *ms = MACHINE(obj); > >> + NVDIMMState *nvdimms_state = ms->nvdimms_state; > >> + > >> + if (strcmp(value, "cpu") == 0) { > >> + nvdimms_state->persistence = 3; > >> + } else if (strcmp(value, "mem-ctrl") == 0) { > >> + nvdimms_state->persistence = 2; > >> + } else { > >> + error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", > >> + value); > >> + return; > >> + } > >> + > >> + g_free(nvdimms_state->persistence_string); > >> + nvdimms_state->persistence_string = g_strdup(value); > >> +} > >> + > >> void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) > >> { > >> strList *item = g_new0(strList, 1); > >> @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) > >> ms->mem_merge = true; > >> ms->enable_graphics = true; > >> > >> + if (mc->nvdimm_supported) { > >> + ObjectClass *oc = OBJECT_CLASS(mc); > >> + > >> + ms->nvdimms_state = g_new0(NVDIMMState, 1); > >> + object_class_property_add_bool(oc, "nvdimm", > >> + machine_get_nvdimm, machine_set_nvdimm, > >> + &error_abort); > >> + object_class_property_set_description(oc, "nvdimm", > >> + "Set on/off to enable/disable " > >> + "NVDIMM instantiation", NULL); > >> + > >> + object_class_property_add_str(oc, "nvdimm-persistence", > >> + machine_get_nvdimm_persistence, > >> + machine_set_nvdimm_persistence, > >> + &error_abort); > >> + object_class_property_set_description(oc, "nvdimm-persistence", > >> + "Set NVDIMM persistence" > >> + "Valid values are cpu, mem-ctrl", > >> + NULL); > >> + } > >> + > >> + > >> /* Register notifier when init is done for sysbus sanity checks */ > >> ms->sysbus_notifier.notify = machine_init_notify; > >> qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); > >> @@ -809,6 +873,7 @@ static void machine_finalize(Object *obj) > >> g_free(ms->dt_compatible); > >> g_free(ms->firmware); > >> g_free(ms->device_memory); > >> + g_free(ms->nvdimms_state); > >> } > >> > >> bool machine_usb(MachineState *machine) > >> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c > >> index 9ecc96dcc7..416da318ae 100644 > >> --- a/hw/i386/acpi-build.c > >> +++ b/hw/i386/acpi-build.c > >> @@ -1867,7 +1867,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, > >> aml_append(scope, method); > >> } > >> > >> - if (pcms->acpi_nvdimm_state.is_enabled) { > >> + if (machine->nvdimms_state->is_enabled) { > >> method = aml_method("_E04", 0, AML_NOTSERIALIZED); > >> aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), > >> aml_int(0x80))); > >> @@ -2704,9 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) > >> build_dmar_q35(tables_blob, tables->linker); > >> } > >> } > >> - if (pcms->acpi_nvdimm_state.is_enabled) { > >> + if (machine->nvdimms_state->is_enabled) { > >> nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, > >> - &pcms->acpi_nvdimm_state, machine->ram_slots); > >> + machine->nvdimms_state, machine->ram_slots); > >> } > >> > >> /* Add tables supplied by user (if any) */ > >> diff --git a/hw/i386/pc.c b/hw/i386/pc.c > >> index 0338dbe9da..71385cfac9 100644 > >> --- a/hw/i386/pc.c > >> +++ b/hw/i386/pc.c > >> @@ -2069,6 +2069,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, > >> { > >> const PCMachineState *pcms = PC_MACHINE(hotplug_dev); > >> const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); > >> + const MachineState *ms = MACHINE(hotplug_dev); > >> const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); > >> const uint64_t legacy_align = TARGET_PAGE_SIZE; > >> > >> @@ -2083,7 +2084,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, > >> return; > >> } > >> > >> - if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { > >> + if (is_nvdimm && !ms->nvdimms_state->is_enabled) { > >> error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"); > >> return; > >> } > >> @@ -2097,6 +2098,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, > >> { > >> Error *local_err = NULL; > >> PCMachineState *pcms = PC_MACHINE(hotplug_dev); > >> + MachineState *ms = MACHINE(hotplug_dev); > >> bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); > >> > >> pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms), &local_err); > >> @@ -2105,7 +2107,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, > >> } > >> > >> if (is_nvdimm) { > >> - nvdimm_plug(&pcms->acpi_nvdimm_state); > >> + nvdimm_plug(ms->nvdimms_state); > >> } > >> > >> hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort); > >> @@ -2546,47 +2548,6 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, > >> visit_type_OnOffAuto(v, name, &pcms->smm, errp); > >> } > >> > >> -static bool pc_machine_get_nvdimm(Object *obj, Error **errp) > >> -{ > >> - PCMachineState *pcms = PC_MACHINE(obj); > >> - > >> - return pcms->acpi_nvdimm_state.is_enabled; > >> -} > >> - > >> -static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) > >> -{ > >> - PCMachineState *pcms = PC_MACHINE(obj); > >> - > >> - pcms->acpi_nvdimm_state.is_enabled = value; > >> -} > >> - > >> -static char *pc_machine_get_nvdimm_persistence(Object *obj, Error **errp) > >> -{ > >> - PCMachineState *pcms = PC_MACHINE(obj); > >> - > >> - return g_strdup(pcms->acpi_nvdimm_state.persistence_string); > >> -} > >> - > >> -static void pc_machine_set_nvdimm_persistence(Object *obj, const char *value, > >> - Error **errp) > >> -{ > >> - PCMachineState *pcms = PC_MACHINE(obj); > >> - NVDIMMState *nvdimm_state = &pcms->acpi_nvdimm_state; > >> - > >> - if (strcmp(value, "cpu") == 0) > >> - nvdimm_state->persistence = 3; > >> - else if (strcmp(value, "mem-ctrl") == 0) > >> - nvdimm_state->persistence = 2; > >> - else { > >> - error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", > >> - value); > >> - return; > >> - } > >> - > >> - g_free(nvdimm_state->persistence_string); > >> - nvdimm_state->persistence_string = g_strdup(value); > >> -} > >> - > >> static bool pc_machine_get_smbus(Object *obj, Error **errp) > >> { > >> PCMachineState *pcms = PC_MACHINE(obj); > >> @@ -2636,8 +2597,6 @@ static void pc_machine_initfn(Object *obj) > >> pcms->max_ram_below_4g = 0; /* use default */ > >> pcms->smm = ON_OFF_AUTO_AUTO; > >> pcms->vmport = ON_OFF_AUTO_AUTO; > >> - /* nvdimm is disabled on default. */ > >> - pcms->acpi_nvdimm_state.is_enabled = false; > >> /* acpi build is enabled by default if machine supports it */ > >> pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; > >> pcms->smbus_enabled = true; > >> @@ -2774,6 +2733,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) > >> hc->unplug = pc_machine_device_unplug_cb; > >> nc->nmi_monitor_handler = x86_nmi; > >> mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; > >> + mc->nvdimm_supported = true; > >> > >> object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", > >> pc_machine_get_device_memory_region_size, NULL, > >> @@ -2798,13 +2758,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) > >> object_class_property_set_description(oc, PC_MACHINE_VMPORT, > >> "Enable vmport (pc & q35)", &error_abort); > >> > >> - object_class_property_add_bool(oc, PC_MACHINE_NVDIMM, > >> - pc_machine_get_nvdimm, pc_machine_set_nvdimm, &error_abort); > >> - > >> - object_class_property_add_str(oc, PC_MACHINE_NVDIMM_PERSIST, > >> - pc_machine_get_nvdimm_persistence, > >> - pc_machine_set_nvdimm_persistence, &error_abort); > >> - > >> object_class_property_add_bool(oc, PC_MACHINE_SMBUS, > >> pc_machine_get_smbus, pc_machine_set_smbus, &error_abort); > >> > >> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > >> index 8770ecada9..8ad8e885c6 100644 > >> --- a/hw/i386/pc_piix.c > >> +++ b/hw/i386/pc_piix.c > >> @@ -297,8 +297,8 @@ static void pc_init1(MachineState *machine, > >> PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); > >> } > >> > >> - if (pcms->acpi_nvdimm_state.is_enabled) { > >> - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, > >> + if (machine->nvdimms_state->is_enabled) { > >> + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, > >> pcms->fw_cfg, OBJECT(pcms)); > >> } > >> } > >> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c > >> index cfb9043e12..372c6b73be 100644 > >> --- a/hw/i386/pc_q35.c > >> +++ b/hw/i386/pc_q35.c > >> @@ -329,8 +329,8 @@ static void pc_q35_init(MachineState *machine) > >> pc_vga_init(isa_bus, host_bus); > >> pc_nic_init(pcmc, isa_bus, host_bus); > >> > >> - if (pcms->acpi_nvdimm_state.is_enabled) { > >> - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, > >> + if (machine->nvdimms_state->is_enabled) { > >> + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, > >> pcms->fw_cfg, OBJECT(pcms)); > >> } > >> } > >> diff --git a/include/hw/boards.h b/include/hw/boards.h > >> index 9690c71a6d..e231860666 100644 > >> --- a/include/hw/boards.h > >> +++ b/include/hw/boards.h > >> @@ -210,6 +210,7 @@ struct MachineClass { > >> int nb_nodes, ram_addr_t size); > >> bool ignore_boot_device_suffixes; > >> bool smbus_no_migration_support; > >> + bool nvdimm_supported; > >> > >> HotplugHandler *(*get_hotplug_handler)(MachineState *machine, > >> DeviceState *dev); > >> @@ -272,6 +273,7 @@ struct MachineState { > >> const char *cpu_type; > >> AccelState *accelerator; > >> CPUArchIdList *possible_cpus; > >> + struct NVDIMMState *nvdimms_state; > > > > What about simply 'nvdimm'? > > - it is already part of a state > > - no plural, there is only 1 state > Well actually I followed Igor's suggestion > (https://www.mail-archive.com/qemu-devel@nongnu.org/msg601980.html). > > The state contains information about all present NVDIMMs (See > NvdimmFitBuffer comment and "fit: FIT structures for present NVDIMMs"). So 'nvdimms' then :) Anyway, Igor's call. > No strong opinion though. > > Thanks > > Eric > > > > > > >> }; > >> > >> #define DEFINE_MACHINE(namestr, machine_initfn) \ > >> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > >> index 94fb620d65..263a6343ff 100644 > >> --- a/include/hw/i386/pc.h > >> +++ b/include/hw/i386/pc.h > >> @@ -45,8 +45,6 @@ struct PCMachineState { > >> OnOffAuto vmport; > >> OnOffAuto smm; > >> > >> - NVDIMMState acpi_nvdimm_state; > >> - > >> bool acpi_build_enabled; > >> bool smbus_enabled; > >> bool sata_enabled; > >> @@ -74,8 +72,6 @@ struct PCMachineState { > >> #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" > >> #define PC_MACHINE_VMPORT "vmport" > >> #define PC_MACHINE_SMM "smm" > >> -#define PC_MACHINE_NVDIMM "nvdimm" > >> -#define PC_MACHINE_NVDIMM_PERSIST "nvdimm-persistence" > >> #define PC_MACHINE_SMBUS "smbus" > >> #define PC_MACHINE_SATA "sata" > >> #define PC_MACHINE_PIT "pit" > >>
diff --git a/hw/core/machine.c b/hw/core/machine.c index 766ca5899d..29a33194a9 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -22,6 +22,7 @@ #include "qemu/error-report.h" #include "sysemu/qtest.h" #include "hw/pci/pci.h" +#include "hw/mem/nvdimm.h" GlobalProperty hw_compat_3_1[] = { { "pcie-root-port", "x-speed", "2_5" }, @@ -481,6 +482,47 @@ static void machine_set_memory_encryption(Object *obj, const char *value, ms->memory_encryption = g_strdup(value); } +static bool machine_get_nvdimm(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return ms->nvdimms_state->is_enabled; +} + +static void machine_set_nvdimm(Object *obj, bool value, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + ms->nvdimms_state->is_enabled = value; +} + +static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) +{ + MachineState *ms = MACHINE(obj); + + return g_strdup(ms->nvdimms_state->persistence_string); +} + +static void machine_set_nvdimm_persistence(Object *obj, const char *value, + Error **errp) +{ + MachineState *ms = MACHINE(obj); + NVDIMMState *nvdimms_state = ms->nvdimms_state; + + if (strcmp(value, "cpu") == 0) { + nvdimms_state->persistence = 3; + } else if (strcmp(value, "mem-ctrl") == 0) { + nvdimms_state->persistence = 2; + } else { + error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", + value); + return; + } + + g_free(nvdimms_state->persistence_string); + nvdimms_state->persistence_string = g_strdup(value); +} + void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) { strList *item = g_new0(strList, 1); @@ -791,6 +833,28 @@ static void machine_initfn(Object *obj) ms->mem_merge = true; ms->enable_graphics = true; + if (mc->nvdimm_supported) { + ObjectClass *oc = OBJECT_CLASS(mc); + + ms->nvdimms_state = g_new0(NVDIMMState, 1); + object_class_property_add_bool(oc, "nvdimm", + machine_get_nvdimm, machine_set_nvdimm, + &error_abort); + object_class_property_set_description(oc, "nvdimm", + "Set on/off to enable/disable " + "NVDIMM instantiation", NULL); + + object_class_property_add_str(oc, "nvdimm-persistence", + machine_get_nvdimm_persistence, + machine_set_nvdimm_persistence, + &error_abort); + object_class_property_set_description(oc, "nvdimm-persistence", + "Set NVDIMM persistence" + "Valid values are cpu, mem-ctrl", + NULL); + } + + /* Register notifier when init is done for sysbus sanity checks */ ms->sysbus_notifier.notify = machine_init_notify; qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); @@ -809,6 +873,7 @@ static void machine_finalize(Object *obj) g_free(ms->dt_compatible); g_free(ms->firmware); g_free(ms->device_memory); + g_free(ms->nvdimms_state); } bool machine_usb(MachineState *machine) diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 9ecc96dcc7..416da318ae 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -1867,7 +1867,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, aml_append(scope, method); } - if (pcms->acpi_nvdimm_state.is_enabled) { + if (machine->nvdimms_state->is_enabled) { method = aml_method("_E04", 0, AML_NOTSERIALIZED); aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), aml_int(0x80))); @@ -2704,9 +2704,9 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) build_dmar_q35(tables_blob, tables->linker); } } - if (pcms->acpi_nvdimm_state.is_enabled) { + if (machine->nvdimms_state->is_enabled) { nvdimm_build_acpi(table_offsets, tables_blob, tables->linker, - &pcms->acpi_nvdimm_state, machine->ram_slots); + machine->nvdimms_state, machine->ram_slots); } /* Add tables supplied by user (if any) */ diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 0338dbe9da..71385cfac9 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -2069,6 +2069,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, { const PCMachineState *pcms = PC_MACHINE(hotplug_dev); const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); + const MachineState *ms = MACHINE(hotplug_dev); const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); const uint64_t legacy_align = TARGET_PAGE_SIZE; @@ -2083,7 +2084,7 @@ static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, return; } - if (is_nvdimm && !pcms->acpi_nvdimm_state.is_enabled) { + if (is_nvdimm && !ms->nvdimms_state->is_enabled) { error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"); return; } @@ -2097,6 +2098,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, { Error *local_err = NULL; PCMachineState *pcms = PC_MACHINE(hotplug_dev); + MachineState *ms = MACHINE(hotplug_dev); bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms), &local_err); @@ -2105,7 +2107,7 @@ static void pc_memory_plug(HotplugHandler *hotplug_dev, } if (is_nvdimm) { - nvdimm_plug(&pcms->acpi_nvdimm_state); + nvdimm_plug(ms->nvdimms_state); } hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort); @@ -2546,47 +2548,6 @@ static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, visit_type_OnOffAuto(v, name, &pcms->smm, errp); } -static bool pc_machine_get_nvdimm(Object *obj, Error **errp) -{ - PCMachineState *pcms = PC_MACHINE(obj); - - return pcms->acpi_nvdimm_state.is_enabled; -} - -static void pc_machine_set_nvdimm(Object *obj, bool value, Error **errp) -{ - PCMachineState *pcms = PC_MACHINE(obj); - - pcms->acpi_nvdimm_state.is_enabled = value; -} - -static char *pc_machine_get_nvdimm_persistence(Object *obj, Error **errp) -{ - PCMachineState *pcms = PC_MACHINE(obj); - - return g_strdup(pcms->acpi_nvdimm_state.persistence_string); -} - -static void pc_machine_set_nvdimm_persistence(Object *obj, const char *value, - Error **errp) -{ - PCMachineState *pcms = PC_MACHINE(obj); - NVDIMMState *nvdimm_state = &pcms->acpi_nvdimm_state; - - if (strcmp(value, "cpu") == 0) - nvdimm_state->persistence = 3; - else if (strcmp(value, "mem-ctrl") == 0) - nvdimm_state->persistence = 2; - else { - error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", - value); - return; - } - - g_free(nvdimm_state->persistence_string); - nvdimm_state->persistence_string = g_strdup(value); -} - static bool pc_machine_get_smbus(Object *obj, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); @@ -2636,8 +2597,6 @@ static void pc_machine_initfn(Object *obj) pcms->max_ram_below_4g = 0; /* use default */ pcms->smm = ON_OFF_AUTO_AUTO; pcms->vmport = ON_OFF_AUTO_AUTO; - /* nvdimm is disabled on default. */ - pcms->acpi_nvdimm_state.is_enabled = false; /* acpi build is enabled by default if machine supports it */ pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; pcms->smbus_enabled = true; @@ -2774,6 +2733,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) hc->unplug = pc_machine_device_unplug_cb; nc->nmi_monitor_handler = x86_nmi; mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; + mc->nvdimm_supported = true; object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", pc_machine_get_device_memory_region_size, NULL, @@ -2798,13 +2758,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) object_class_property_set_description(oc, PC_MACHINE_VMPORT, "Enable vmport (pc & q35)", &error_abort); - object_class_property_add_bool(oc, PC_MACHINE_NVDIMM, - pc_machine_get_nvdimm, pc_machine_set_nvdimm, &error_abort); - - object_class_property_add_str(oc, PC_MACHINE_NVDIMM_PERSIST, - pc_machine_get_nvdimm_persistence, - pc_machine_set_nvdimm_persistence, &error_abort); - object_class_property_add_bool(oc, PC_MACHINE_SMBUS, pc_machine_get_smbus, pc_machine_set_smbus, &error_abort); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 8770ecada9..8ad8e885c6 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -297,8 +297,8 @@ static void pc_init1(MachineState *machine, PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); } - if (pcms->acpi_nvdimm_state.is_enabled) { - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, + if (machine->nvdimms_state->is_enabled) { + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, pcms->fw_cfg, OBJECT(pcms)); } } diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index cfb9043e12..372c6b73be 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -329,8 +329,8 @@ static void pc_q35_init(MachineState *machine) pc_vga_init(isa_bus, host_bus); pc_nic_init(pcmc, isa_bus, host_bus); - if (pcms->acpi_nvdimm_state.is_enabled) { - nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, + if (machine->nvdimms_state->is_enabled) { + nvdimm_init_acpi_state(machine->nvdimms_state, system_io, pcms->fw_cfg, OBJECT(pcms)); } } diff --git a/include/hw/boards.h b/include/hw/boards.h index 9690c71a6d..e231860666 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -210,6 +210,7 @@ struct MachineClass { int nb_nodes, ram_addr_t size); bool ignore_boot_device_suffixes; bool smbus_no_migration_support; + bool nvdimm_supported; HotplugHandler *(*get_hotplug_handler)(MachineState *machine, DeviceState *dev); @@ -272,6 +273,7 @@ struct MachineState { const char *cpu_type; AccelState *accelerator; CPUArchIdList *possible_cpus; + struct NVDIMMState *nvdimms_state; }; #define DEFINE_MACHINE(namestr, machine_initfn) \ diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 94fb620d65..263a6343ff 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -45,8 +45,6 @@ struct PCMachineState { OnOffAuto vmport; OnOffAuto smm; - NVDIMMState acpi_nvdimm_state; - bool acpi_build_enabled; bool smbus_enabled; bool sata_enabled; @@ -74,8 +72,6 @@ struct PCMachineState { #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" #define PC_MACHINE_VMPORT "vmport" #define PC_MACHINE_SMM "smm" -#define PC_MACHINE_NVDIMM "nvdimm" -#define PC_MACHINE_NVDIMM_PERSIST "nvdimm-persistence" #define PC_MACHINE_SMBUS "smbus" #define PC_MACHINE_SATA "sata" #define PC_MACHINE_PIT "pit"
As NVDIMM support is looming for ARM and SPAPR, let's move the acpi_nvdimm_state to the generic machine struct instead of duplicating the same code in several machines. It is also renamed into nvdimms_state and becomes a pointer. nvdimm and nvdimm-persistence become generic machine options. They become guarded by a nvdimm_supported machine class member. We also add a description for those options. Signed-off-by: Eric Auger <eric.auger@redhat.com> Suggested-by: Igor Mammedov <imammedo@redhat.com> --- v2 -> v3 - nvdimms_state becomes a pointer - add machine class nvdimm_supported v1 -> v2: - s/acpi_nvdimm_state/nvdimms_state - remove ms->nvdimms_state.is_enabled initialization to false. --- hw/core/machine.c | 65 ++++++++++++++++++++++++++++++++++++++++++++ hw/i386/acpi-build.c | 6 ++-- hw/i386/pc.c | 57 ++++---------------------------------- hw/i386/pc_piix.c | 4 +-- hw/i386/pc_q35.c | 4 +-- include/hw/boards.h | 2 ++ include/hw/i386/pc.h | 4 --- 7 files changed, 79 insertions(+), 63 deletions(-)