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That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: paul@xen.org Cc: 'Stefano Stabellini' , 'Eduardo Habkost' , 'Sergio Lopez' , "'Michael S. Tsirkin'" , imammedo@redhat.com, xen-devel@lists.xenproject.org, 'Anthony Perard' , 'Paolo Bonzini' , philmd@redhat.com, 'Richard Henderson' Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > -----Original Message----- > From: Gerd Hoffmann > Sent: 29 May 2020 08:40 > To: qemu-devel@nongnu.org > Cc: Paolo Bonzini ; Eduardo Habkost = ; Sergio Lopez > ; philmd@redhat.com; Marcel Apfelbaum = ; Stefano Stabellini > ; Paul Durrant ; = xen-devel@lists.xenproject.org; Michael S. > Tsirkin ; Anthony Perard ; = Richard Henderson > ; imammedo@redhat.com; Gerd Hoffmann = > Subject: [PATCH v3 3/4] x86: move max-ram-below-4g to pc >=20 > Move from X86MachineClass to PCMachineClass so it disappears > from microvm machine type property list. >=20 > Signed-off-by: Gerd Hoffmann > Reviewed-by: Philippe Mathieu-Daud=C3=A9 > Acked-by: Paolo Bonzini Xen change... Reviewed-by: Paul Durrant > --- > include/hw/i386/pc.h | 2 ++ > include/hw/i386/x86.h | 4 ---- > hw/i386/pc.c | 46 = +++++++++++++++++++++++++++++++++++++++++++ > hw/i386/pc_piix.c | 10 +++++----- > hw/i386/pc_q35.c | 10 +++++----- > hw/i386/x86.c | 46 = ------------------------------------------- > hw/i386/xen/xen-hvm.c | 2 +- > 7 files changed, 59 insertions(+), 61 deletions(-) >=20 > diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > index 5e3b19ab78fc..dce1273c7dad 100644 > --- a/include/hw/i386/pc.h > +++ b/include/hw/i386/pc.h > @@ -35,6 +35,7 @@ struct PCMachineState { > PFlashCFI01 *flash[2]; >=20 > /* Configuration options: */ > + uint64_t max_ram_below_4g; > OnOffAuto vmport; >=20 > bool acpi_build_enabled; > @@ -51,6 +52,7 @@ struct PCMachineState { > }; >=20 > #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device" > +#define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" > #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size" > #define PC_MACHINE_VMPORT "vmport" > #define PC_MACHINE_SMBUS "smbus" > diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h > index b52285481687..b79f24e28545 100644 > --- a/include/hw/i386/x86.h > +++ b/include/hw/i386/x86.h > @@ -51,9 +51,6 @@ typedef struct { > qemu_irq *gsi; > GMappedFile *initrd_mapped_file; >=20 > - /* Configuration options: */ > - uint64_t max_ram_below_4g; > - > /* RAM information (sizes, addresses, configuration): */ > ram_addr_t below_4g_mem_size, above_4g_mem_size; >=20 > @@ -82,7 +79,6 @@ typedef struct { > AddressSpace *ioapic_as; > } X86MachineState; >=20 > -#define X86_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" > #define X86_MACHINE_SMM "smm" > #define X86_MACHINE_ACPI "acpi" >=20 > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index c5db7be6d8b1..6d6f6decb32c 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1831,6 +1831,45 @@ static void pc_machine_set_pit(Object *obj, = bool value, Error **errp) > pcms->pit_enabled =3D value; > } >=20 > +static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v, > + const char *name, void = *opaque, > + Error **errp) > +{ > + PCMachineState *pcms =3D PC_MACHINE(obj); > + uint64_t value =3D pcms->max_ram_below_4g; > + > + visit_type_size(v, name, &value, errp); > +} > + > +static void pc_machine_set_max_ram_below_4g(Object *obj, Visitor *v, > + const char *name, void = *opaque, > + Error **errp) > +{ > + PCMachineState *pcms =3D PC_MACHINE(obj); > + Error *error =3D NULL; > + uint64_t value; > + > + visit_type_size(v, name, &value, &error); > + if (error) { > + error_propagate(errp, error); > + return; > + } > + if (value > 4 * GiB) { > + error_setg(&error, > + "Machine option 'max-ram-below-4g=3D%"PRIu64 > + "' expects size less than or equal to 4G", value); > + error_propagate(errp, error); > + return; > + } > + > + if (value < 1 * MiB) { > + warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB = boundary," > + "BIOS may not work with less than 1MiB", value); > + } > + > + pcms->max_ram_below_4g =3D value; > +} > + > static void pc_machine_initfn(Object *obj) > { > PCMachineState *pcms =3D PC_MACHINE(obj); > @@ -1840,6 +1879,7 @@ static void pc_machine_initfn(Object *obj) > #else > pcms->vmport =3D ON_OFF_AUTO_OFF; > #endif /* CONFIG_VMPORT */ > + pcms->max_ram_below_4g =3D 0; /* use default */ > /* acpi build is enabled by default if machine supports it */ > pcms->acpi_build_enabled =3D = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; > pcms->smbus_enabled =3D true; > @@ -1938,6 +1978,12 @@ static void pc_machine_class_init(ObjectClass = *oc, void *data) > mc->numa_mem_supported =3D true; > mc->default_ram_id =3D "pc.ram"; >=20 > + object_class_property_add(oc, PC_MACHINE_MAX_RAM_BELOW_4G, = "size", > + pc_machine_get_max_ram_below_4g, = pc_machine_set_max_ram_below_4g, > + NULL, NULL); > + object_class_property_set_description(oc, = PC_MACHINE_MAX_RAM_BELOW_4G, > + "Maximum ram below the 4G boundary (32bit boundary)"); > + > object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, = "int", > pc_machine_get_device_memory_region_size, NULL, > NULL, NULL); > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > index f66e1d73ce0b..503c35f7bf4c 100644 > --- a/hw/i386/pc_piix.c > +++ b/hw/i386/pc_piix.c > @@ -127,11 +127,11 @@ static void pc_init1(MachineState *machine, > if (xen_enabled()) { > xen_hvm_init(pcms, &ram_memory); > } else { > - if (!x86ms->max_ram_below_4g) { > - x86ms->max_ram_below_4g =3D 0xe0000000; /* default: 3.5G = */ > + if (!pcms->max_ram_below_4g) { > + pcms->max_ram_below_4g =3D 0xe0000000; /* default: 3.5G = */ > } > - lowmem =3D x86ms->max_ram_below_4g; > - if (machine->ram_size >=3D x86ms->max_ram_below_4g) { > + lowmem =3D pcms->max_ram_below_4g; > + if (machine->ram_size >=3D pcms->max_ram_below_4g) { > if (pcmc->gigabyte_align) { > if (lowmem > 0xc0000000) { > lowmem =3D 0xc0000000; > @@ -140,7 +140,7 @@ static void pc_init1(MachineState *machine, > warn_report("Large machine and max_ram_below_4g " > "(%" PRIu64 ") not a multiple of 1G; = " > "possible bad performance.", > - x86ms->max_ram_below_4g); > + pcms->max_ram_below_4g); > } > } > } > diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c > index 4ba8ac8774e4..90e8fb2cb737 100644 > --- a/hw/i386/pc_q35.c > +++ b/hw/i386/pc_q35.c > @@ -154,18 +154,18 @@ static void pc_q35_init(MachineState *machine) > /* Handle the machine opt max-ram-below-4g. It is basically = doing > * min(qemu limit, user limit). > */ > - if (!x86ms->max_ram_below_4g) { > - x86ms->max_ram_below_4g =3D 4 * GiB; > + if (!pcms->max_ram_below_4g) { > + pcms->max_ram_below_4g =3D 4 * GiB; > } > - if (lowmem > x86ms->max_ram_below_4g) { > - lowmem =3D x86ms->max_ram_below_4g; > + if (lowmem > pcms->max_ram_below_4g) { > + lowmem =3D pcms->max_ram_below_4g; > if (machine->ram_size - lowmem > lowmem && > lowmem & (1 * GiB - 1)) { > warn_report("There is possibly poor performance as the = ram size " > " (0x%" PRIx64 ") is more then twice the size = of" > " max-ram-below-4g (%"PRIu64") and" > " max-ram-below-4g is not a multiple of 1G.", > - (uint64_t)machine->ram_size, = x86ms->max_ram_below_4g); > + (uint64_t)machine->ram_size, = pcms->max_ram_below_4g); > } > } >=20 > diff --git a/hw/i386/x86.c b/hw/i386/x86.c > index 7a3bc7ab6639..49884e5c1597 100644 > --- a/hw/i386/x86.c > +++ b/hw/i386/x86.c > @@ -846,45 +846,6 @@ void x86_bios_rom_init(MemoryRegion *rom_memory, = bool isapc_ram_fw) > bios); > } >=20 > -static void x86_machine_get_max_ram_below_4g(Object *obj, Visitor *v, > - const char *name, void = *opaque, > - Error **errp) > -{ > - X86MachineState *x86ms =3D X86_MACHINE(obj); > - uint64_t value =3D x86ms->max_ram_below_4g; > - > - visit_type_size(v, name, &value, errp); > -} > - > -static void x86_machine_set_max_ram_below_4g(Object *obj, Visitor *v, > - const char *name, void = *opaque, > - Error **errp) > -{ > - X86MachineState *x86ms =3D X86_MACHINE(obj); > - Error *error =3D NULL; > - uint64_t value; > - > - visit_type_size(v, name, &value, &error); > - if (error) { > - error_propagate(errp, error); > - return; > - } > - if (value > 4 * GiB) { > - error_setg(&error, > - "Machine option 'max-ram-below-4g=3D%"PRIu64 > - "' expects size less than or equal to 4G", value); > - error_propagate(errp, error); > - return; > - } > - > - if (value < 1 * MiB) { > - warn_report("Only %" PRIu64 " bytes of RAM below the 4GiB = boundary," > - "BIOS may not work with less than 1MiB", value); > - } > - > - x86ms->max_ram_below_4g =3D value; > -} > - > bool x86_machine_is_smm_enabled(X86MachineState *x86ms) > { > bool smm_available =3D false; > @@ -958,7 +919,6 @@ static void x86_machine_initfn(Object *obj) >=20 > x86ms->smm =3D ON_OFF_AUTO_AUTO; > x86ms->acpi =3D ON_OFF_AUTO_AUTO; > - x86ms->max_ram_below_4g =3D 0; /* use default */ > x86ms->smp_dies =3D 1; >=20 > x86ms->apicid_from_cpu_idx =3D x86_apicid_from_cpu_idx; > @@ -980,12 +940,6 @@ static void x86_machine_class_init(ObjectClass = *oc, void *data) > x86mc->save_tsc_khz =3D true; > nc->nmi_monitor_handler =3D x86_nmi; >=20 > - object_class_property_add(oc, X86_MACHINE_MAX_RAM_BELOW_4G, = "size", > - x86_machine_get_max_ram_below_4g, = x86_machine_set_max_ram_below_4g, > - NULL, NULL); > - object_class_property_set_description(oc, = X86_MACHINE_MAX_RAM_BELOW_4G, > - "Maximum ram below the 4G boundary (32bit boundary)"); > - > object_class_property_add(oc, X86_MACHINE_SMM, "OnOffAuto", > x86_machine_get_smm, x86_machine_set_smm, > NULL, NULL); > diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c > index 82ece6b9e739..d6f4674418e9 100644 > --- a/hw/i386/xen/xen-hvm.c > +++ b/hw/i386/xen/xen-hvm.c > @@ -203,7 +203,7 @@ static void xen_ram_init(PCMachineState *pcms, > ram_addr_t block_len; > uint64_t user_lowmem =3D > object_property_get_uint(qdev_get_machine(), > - X86_MACHINE_MAX_RAM_BELOW_4G, > + PC_MACHINE_MAX_RAM_BELOW_4G, > &error_abort); >=20 > /* Handle the machine opt max-ram-below-4g. It is basically = doing > -- > 2.18.4