From f014c974595a1e3482c6afb57557a6e479b80328 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 20 Oct 2021 14:48:10 +0200 Subject: [PATCH] target/i386: move linuxboot_dma_enabled to X86MachineState This removes a parameter from x86_load_linux, and will avoid code duplication between the linux and multiboot cases once multiboot starts to support DMA. Signed-off-by: Paolo Bonzini --- hw/i386/microvm.c | 5 ++++- hw/i386/pc.c | 5 ++--- hw/i386/pc_piix.c | 3 ++- hw/i386/pc_q35.c | 3 ++- hw/i386/x86.c | 5 +++-- include/hw/i386/pc.h | 3 --- include/hw/i386/x86.h | 5 +++-- 7 files changed, 16 insertions(+), 13 deletions(-) diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index f257ec5a0b..837bafb64a 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -331,7 +331,7 @@ static void microvm_memory_init(MicrovmMachineState *mms) rom_set_fw(fw_cfg); if (machine->kernel_filename != NULL) { - x86_load_linux(x86ms, fw_cfg, 0, true, true); + x86_load_linux(x86ms, fw_cfg, 0, true); } if (mms->option_roms) { @@ -667,6 +667,7 @@ static void microvm_machine_initfn(Object *obj) static void microvm_class_init(ObjectClass *oc, void *data) { + X86MachineClass *x86mc = X86_MACHINE_CLASS(oc); MachineClass *mc = MACHINE_CLASS(oc); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); @@ -697,6 +698,8 @@ static void microvm_class_init(ObjectClass *oc, void *data) hc->unplug_request = microvm_device_unplug_request_cb; hc->unplug = microvm_device_unplug_cb; + x86mc->fwcfg_dma_enabled = true; + object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto", microvm_machine_get_pic, microvm_machine_set_pic, diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 86223acfd3..d203db7845 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -775,7 +775,7 @@ void xen_load_linux(PCMachineState *pcms) rom_set_fw(fw_cfg); x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size, - pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled); + pcmc->pvh_enabled); for (i = 0; i < nb_option_roms; i++) { assert(!strcmp(option_rom[i].name, "linuxboot.bin") || !strcmp(option_rom[i].name, "linuxboot_dma.bin") || @@ -927,7 +927,7 @@ void pc_memory_init(PCMachineState *pcms, if (linux_boot) { x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size, - pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled); + pcmc->pvh_enabled); } for (i = 0; i < nb_option_roms; i++) { @@ -1664,7 +1664,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) /* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported * to be used at the moment, 32K should be enough for a while. */ pcmc->acpi_data_size = 0x20000 + 0x8000; - pcmc->linuxboot_dma_enabled = true; pcmc->pvh_enabled = true; pcmc->kvmclock_create_always = true; assert(!mc->get_hotplug_handler); diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 6ad0d763c5..223dd3e05d 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -620,11 +620,12 @@ DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, static void pc_i440fx_2_6_machine_options(MachineClass *m) { + X86MachineClass *x86mc = X86_MACHINE_CLASS(m); PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_7_machine_options(m); pcmc->legacy_cpu_hotplug = true; - pcmc->linuxboot_dma_enabled = false; + x86mc->fwcfg_dma_enabled = false; compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); } diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index fcc6e4eb2b..797e09500b 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -573,11 +573,12 @@ DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL, static void pc_q35_2_6_machine_options(MachineClass *m) { + X86MachineClass *x86mc = X86_MACHINE_CLASS(m); PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_q35_2_7_machine_options(m); pcmc->legacy_cpu_hotplug = true; - pcmc->linuxboot_dma_enabled = false; + x86mc->fwcfg_dma_enabled = false; compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); } diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 76de7e2265..a34498fe16 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -764,9 +764,9 @@ static bool load_elfboot(const char *kernel_filename, void x86_load_linux(X86MachineState *x86ms, FWCfgState *fw_cfg, int acpi_data_size, - bool pvh_enabled, - bool linuxboot_dma_enabled) + bool pvh_enabled) { + bool linuxboot_dma_enabled = X86_MACHINE_GET_CLASS(x86ms)->fwcfg_dma_enabled; uint16_t protocol; int setup_size, kernel_size, cmdline_size; int dtb_size, setup_data_offset; @@ -1332,6 +1332,7 @@ static void x86_machine_class_init(ObjectClass *oc, void *data) mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids; x86mc->compat_apic_id_mode = false; x86mc->save_tsc_khz = true; + x86mc->fwcfg_dma_enabled = true; nc->nmi_monitor_handler = x86_nmi; object_class_property_add(oc, X86_MACHINE_SMM, "OnOffAuto", diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 11426e26dc..9162aded21 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -116,9 +116,6 @@ struct PCMachineClass { /* generate legacy CPU hotplug AML */ bool legacy_cpu_hotplug; - /* use DMA capable linuxboot option rom */ - bool linuxboot_dma_enabled; - /* use PVH to load kernels that support this feature */ bool pvh_enabled; diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index 23267a3674..bb1cfb8896 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -38,6 +38,8 @@ struct X86MachineClass { bool save_tsc_khz; /* Enables contiguous-apic-ID mode */ bool compat_apic_id_mode; + /* use DMA capable linuxboot option rom */ + bool fwcfg_dma_enabled; }; struct X86MachineState { @@ -120,8 +122,7 @@ void x86_bios_rom_init(MachineState *ms, const char *default_firmware, void x86_load_linux(X86MachineState *x86ms, FWCfgState *fw_cfg, int acpi_data_size, - bool pvh_enabled, - bool linuxboot_dma_enabled); + bool pvh_enabled); bool x86_machine_is_smm_enabled(const X86MachineState *x86ms); bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);