diff options
Diffstat (limited to 'hw/ppc')
39 files changed, 992 insertions, 656 deletions
diff --git a/hw/ppc/Kconfig b/hw/ppc/Kconfig index d11dc30509..e51e0e5e5a 100644 --- a/hw/ppc/Kconfig +++ b/hw/ppc/Kconfig @@ -68,6 +68,15 @@ config SAM460EX select USB_OHCI select FDT_PPC +config PEGASOS2 + bool + select MV64361 + select VT82C686 + select IDE_VIA + select SMBUS_EEPROM +# This should come with VT82C686 + select ACPI_X86 + config PREP bool imply PCI_DEVICES diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 79467ac512..95451414dd 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -25,7 +25,6 @@ #include "qemu/config-file.h" #include "hw/char/serial.h" #include "hw/pci/pci.h" -#include "hw/boards.h" #include "sysemu/sysemu.h" #include "sysemu/kvm.h" #include "sysemu/reset.h" @@ -39,7 +38,6 @@ #include "hw/loader.h" #include "elf.h" #include "hw/sysbus.h" -#include "exec/address-spaces.h" #include "qemu/host-utils.h" #include "qemu/option.h" #include "hw/pci-host/ppce500.h" diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 2175962846..7bb7ac3997 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -58,7 +58,6 @@ #include "hw/pci/pci.h" #include "net/net.h" #include "sysemu/sysemu.h" -#include "hw/boards.h" #include "hw/nvram/fw_cfg.h" #include "hw/char/escc.h" #include "hw/misc/macio/macio.h" @@ -71,7 +70,6 @@ #include "sysemu/reset.h" #include "kvm_ppc.h" #include "hw/usb.h" -#include "exec/address-spaces.h" #include "hw/sysbus.h" #include "trace.h" @@ -157,6 +155,10 @@ static void ppc_core99_init(MachineState *machine) } /* allocate RAM */ + if (machine->ram_size > 2 * GiB) { + error_report("RAM size more than 2 GiB is not supported"); + exit(1); + } memory_region_add_subregion(get_system_memory(), 0, machine->ram); /* allocate and load firmware ROM */ diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 963d247f5f..de2be960e6 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -38,7 +38,6 @@ #include "hw/isa/isa.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" -#include "hw/boards.h" #include "hw/nvram/fw_cfg.h" #include "hw/char/escc.h" #include "hw/misc/macio/macio.h" @@ -49,7 +48,6 @@ #include "sysemu/kvm.h" #include "sysemu/reset.h" #include "kvm_ppc.h" -#include "exec/address-spaces.h" #define MAX_IDE_BUS 2 #define CFG_ADDR 0xf0000510 diff --git a/hw/ppc/meson.build b/hw/ppc/meson.build index 218631c883..597d974dd4 100644 --- a/hw/ppc/meson.build +++ b/hw/ppc/meson.build @@ -29,6 +29,9 @@ ppc_ss.add(when: 'CONFIG_PSERIES', if_true: files( 'spapr_numa.c', 'pef.c', )) +ppc_ss.add(when: ['CONFIG_PSERIES', 'CONFIG_TCG'], if_true: files( + 'spapr_softmmu.c', +)) ppc_ss.add(when: 'CONFIG_SPAPR_RNG', if_true: files('spapr_rng.c')) ppc_ss.add(when: ['CONFIG_PSERIES', 'CONFIG_LINUX'], if_true: files( 'spapr_pci_vfio.c', @@ -78,5 +81,7 @@ ppc_ss.add(when: 'CONFIG_E500', if_true: files( )) # PowerPC 440 Xilinx ML507 reference board. ppc_ss.add(when: 'CONFIG_VIRTEX', if_true: files('virtex_ml507.c')) +# Pegasos2 +ppc_ss.add(when: 'CONFIG_PEGASOS2', if_true: files('pegasos2.c')) hw_arch += {'ppc': ppc_ss} diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c new file mode 100644 index 0000000000..0bfd0928aa --- /dev/null +++ b/hw/ppc/pegasos2.c @@ -0,0 +1,144 @@ +/* + * QEMU PowerPC CHRP (Genesi/bPlan Pegasos II) hardware System Emulator + * + * Copyright (c) 2018-2020 BALATON Zoltan + * + * This work is licensed under the GNU GPL license version 2 or later. + * + */ + +#include "qemu/osdep.h" +#include "qemu-common.h" +#include "qemu/units.h" +#include "qapi/error.h" +#include "hw/hw.h" +#include "hw/ppc/ppc.h" +#include "hw/sysbus.h" +#include "hw/pci/pci_host.h" +#include "hw/irq.h" +#include "hw/pci-host/mv64361.h" +#include "hw/isa/vt82c686.h" +#include "hw/ide/pci.h" +#include "hw/i2c/smbus_eeprom.h" +#include "hw/qdev-properties.h" +#include "sysemu/reset.h" +#include "hw/boards.h" +#include "hw/loader.h" +#include "hw/fw-path-provider.h" +#include "elf.h" +#include "qemu/log.h" +#include "qemu/error-report.h" +#include "sysemu/kvm.h" +#include "kvm_ppc.h" +#include "exec/address-spaces.h" +#include "trace.h" +#include "qemu/datadir.h" +#include "sysemu/device_tree.h" + +#define PROM_FILENAME "pegasos2.rom" +#define PROM_ADDR 0xfff00000 +#define PROM_SIZE 0x80000 + +#define BUS_FREQ_HZ 133333333 + +static void pegasos2_cpu_reset(void *opaque) +{ + PowerPCCPU *cpu = opaque; + + cpu_reset(CPU(cpu)); + cpu->env.spr[SPR_HID1] = 7ULL << 28; +} + +static void pegasos2_init(MachineState *machine) +{ + PowerPCCPU *cpu = NULL; + MemoryRegion *rom = g_new(MemoryRegion, 1); + DeviceState *mv; + PCIBus *pci_bus; + PCIDevice *dev; + I2CBus *i2c_bus; + const char *fwname = machine->firmware ?: PROM_FILENAME; + char *filename; + int sz; + uint8_t *spd_data; + + /* init CPU */ + cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); + if (PPC_INPUT(&cpu->env) != PPC_FLAGS_INPUT_6xx) { + error_report("Incompatible CPU, only 6xx bus supported"); + exit(1); + } + + /* Set time-base frequency */ + cpu_ppc_tb_init(&cpu->env, BUS_FREQ_HZ / 4); + qemu_register_reset(pegasos2_cpu_reset, cpu); + + /* RAM */ + memory_region_add_subregion(get_system_memory(), 0, machine->ram); + + /* allocate and load firmware */ + filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, fwname); + if (!filename) { + error_report("Could not find firmware '%s'", fwname); + exit(1); + } + memory_region_init_rom(rom, NULL, "pegasos2.rom", PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), PROM_ADDR, rom); + sz = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, + PPC_ELF_MACHINE, 0, 0); + if (sz <= 0) { + sz = load_image_targphys(filename, PROM_ADDR, PROM_SIZE); + } + if (sz <= 0 || sz > PROM_SIZE) { + error_report("Could not load firmware '%s'", filename); + exit(1); + } + g_free(filename); + + /* Marvell Discovery II system controller */ + mv = DEVICE(sysbus_create_simple(TYPE_MV64361, -1, + ((qemu_irq *)cpu->env.irq_inputs)[PPC6xx_INPUT_INT])); + pci_bus = mv64361_get_pci_bus(mv, 1); + + /* VIA VT8231 South Bridge (multifunction PCI device) */ + /* VT8231 function 0: PCI-to-ISA Bridge */ + dev = pci_create_simple_multifunction(pci_bus, PCI_DEVFN(12, 0), true, + TYPE_VT8231_ISA); + qdev_connect_gpio_out(DEVICE(dev), 0, + qdev_get_gpio_in_named(mv, "gpp", 31)); + + /* VT8231 function 1: IDE Controller */ + dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 1), "via-ide"); + pci_ide_create_devs(dev); + + /* VT8231 function 2-3: USB Ports */ + pci_create_simple(pci_bus, PCI_DEVFN(12, 2), "vt82c686b-usb-uhci"); + pci_create_simple(pci_bus, PCI_DEVFN(12, 3), "vt82c686b-usb-uhci"); + + /* VT8231 function 4: Power Management Controller */ + dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 4), TYPE_VT8231_PM); + i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c")); + spd_data = spd_data_generate(DDR, machine->ram_size); + smbus_eeprom_init_one(i2c_bus, 0x57, spd_data); + + /* VT8231 function 5-6: AC97 Audio & Modem */ + pci_create_simple(pci_bus, PCI_DEVFN(12, 5), TYPE_VIA_AC97); + pci_create_simple(pci_bus, PCI_DEVFN(12, 6), TYPE_VIA_MC97); + + /* other PC hardware */ + pci_vga_init(pci_bus); +} + +static void pegasos2_machine(MachineClass *mc) +{ + mc->desc = "Genesi/bPlan Pegasos II"; + mc->init = pegasos2_init; + mc->block_default_type = IF_IDE; + mc->default_boot_order = "cd"; + mc->default_display = "std"; + mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("7400_v2.9"); + mc->default_ram_id = "pegasos2.ram"; + mc->default_ram_size = 512 * MiB; +} + +DEFINE_MACHINE("pegasos2", pegasos2_machine) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 77af846cdf..d16dd2d080 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -32,14 +32,12 @@ #include "sysemu/device_tree.h" #include "sysemu/hw_accel.h" #include "target/ppc/cpu.h" -#include "qemu/log.h" #include "hw/ppc/fdt.h" #include "hw/ppc/ppc.h" #include "hw/ppc/pnv.h" #include "hw/ppc/pnv_core.h" #include "hw/loader.h" #include "hw/nmi.h" -#include "exec/address-spaces.h" #include "qapi/visitor.h" #include "monitor/monitor.h" #include "hw/intc/intc.h" @@ -53,7 +51,6 @@ #include "hw/ppc/pnv_pnor.h" #include "hw/isa/isa.h" -#include "hw/boards.h" #include "hw/char/serial.h" #include "hw/rtc/mc146818rtc.h" @@ -199,7 +196,7 @@ static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); - if (env->spr_cb[SPR_PURR].oea_read) { + if (ppc_has_spr(cpu, SPR_PURR)) { _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); } diff --git a/hw/ppc/pnv_core.c b/hw/ppc/pnv_core.c index bd2bf2e044..8c2a15a0fb 100644 --- a/hw/ppc/pnv_core.c +++ b/hw/ppc/pnv_core.c @@ -29,6 +29,7 @@ #include "hw/ppc/pnv_xscom.h" #include "hw/ppc/xics.h" #include "hw/qdev-properties.h" +#include "helper_regs.h" static const char *pnv_core_cpu_typename(PnvCore *pc) { @@ -55,8 +56,8 @@ static void pnv_core_cpu_reset(PnvCore *pc, PowerPCCPU *cpu) env->gpr[3] = PNV_FDT_ADDR; env->nip = 0x10; env->msr |= MSR_HVB; /* Hypervisor mode */ - env->spr[SPR_HRMOR] = pc->hrmor; + hreg_compute_hflags(env); pcc->intc_reset(pc->chip, cpu); } diff --git a/hw/ppc/pnv_pnor.c b/hw/ppc/pnv_pnor.c index 4b455de1ea..5ef1cf2afb 100644 --- a/hw/ppc/pnv_pnor.c +++ b/hw/ppc/pnv_pnor.c @@ -10,7 +10,6 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "qemu/error-report.h" -#include "qemu/log.h" #include "qemu/units.h" #include "sysemu/block-backend.h" #include "sysemu/blockdev.h" diff --git a/hw/ppc/pnv_psi.c b/hw/ppc/pnv_psi.c index 3e868c8c8d..cd9a2c5952 100644 --- a/hw/ppc/pnv_psi.c +++ b/hw/ppc/pnv_psi.c @@ -26,7 +26,6 @@ #include "qapi/error.h" #include "monitor/monitor.h" -#include "exec/address-spaces.h" #include "hw/ppc/fdt.h" #include "hw/ppc/pnv.h" @@ -466,7 +465,7 @@ static void pnv_psi_reset(DeviceState *dev) static void pnv_psi_reset_handler(void *dev) { - device_legacy_reset(DEVICE(dev)); + device_cold_reset(DEVICE(dev)); } static void pnv_psi_realize(DeviceState *dev, Error **errp) @@ -710,7 +709,7 @@ static void pnv_psi_p9_mmio_write(void *opaque, hwaddr addr, break; case PSIHB9_INTERRUPT_CONTROL: if (val & PSIHB9_IRQ_RESET) { - device_legacy_reset(DEVICE(&psi9->source)); + device_cold_reset(DEVICE(&psi9->source)); } psi->regs[reg] = val; break; diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c index bf28d6bfc8..7375bf4fa9 100644 --- a/hw/ppc/ppc.c +++ b/hw/ppc/ppc.c @@ -23,7 +23,6 @@ */ #include "qemu/osdep.h" -#include "cpu.h" #include "hw/irq.h" #include "hw/ppc/ppc.h" #include "hw/ppc/ppc_e500.h" diff --git a/hw/ppc/ppc405_boards.c b/hw/ppc/ppc405_boards.c index 8f77887fb1..972a7a4a3e 100644 --- a/hw/ppc/ppc405_boards.c +++ b/hw/ppc/ppc405_boards.c @@ -34,15 +34,12 @@ #include "ppc405.h" #include "hw/rtc/m48t59.h" #include "hw/block/flash.h" -#include "sysemu/sysemu.h" #include "sysemu/qtest.h" #include "sysemu/reset.h" #include "sysemu/block-backend.h" #include "hw/boards.h" -#include "qemu/log.h" #include "qemu/error-report.h" #include "hw/loader.h" -#include "exec/address-spaces.h" #include "qemu/cutils.h" #define BIOS_FILENAME "ppc405_rom.bin" diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index fe047074a1..e632c408bd 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -34,7 +34,6 @@ #include "qemu/timer.h" #include "sysemu/reset.h" #include "sysemu/sysemu.h" -#include "qemu/log.h" #include "exec/address-spaces.h" #include "hw/intc/ppc-uic.h" #include "hw/qdev-properties.h" diff --git a/hw/ppc/ppc440_bamboo.c b/hw/ppc/ppc440_bamboo.c index b7539aa721..7fb620b9a0 100644 --- a/hw/ppc/ppc440_bamboo.c +++ b/hw/ppc/ppc440_bamboo.c @@ -25,7 +25,6 @@ #include "sysemu/device_tree.h" #include "hw/loader.h" #include "elf.h" -#include "exec/address-spaces.h" #include "hw/char/serial.h" #include "hw/ppc/ppc.h" #include "ppc405.h" diff --git a/hw/ppc/ppc440_pcix.c b/hw/ppc/ppc440_pcix.c index 91cbcd0504..788d25514a 100644 --- a/hw/ppc/ppc440_pcix.c +++ b/hw/ppc/ppc440_pcix.c @@ -28,7 +28,6 @@ #include "hw/ppc/ppc4xx.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" -#include "exec/address-spaces.h" #include "trace.h" #include "qom/object.h" diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c index f6f89058ab..993e3ba955 100644 --- a/hw/ppc/ppc440_uc.c +++ b/hw/ppc/ppc440_uc.c @@ -14,9 +14,7 @@ #include "qapi/error.h" #include "qemu/log.h" #include "qemu/module.h" -#include "cpu.h" #include "hw/irq.h" -#include "exec/address-spaces.h" #include "exec/memory.h" #include "hw/ppc/ppc.h" #include "hw/qdev-properties.h" diff --git a/hw/ppc/ppc4xx_devs.c b/hw/ppc/ppc4xx_devs.c index fe9d4f7155..980c48944f 100644 --- a/hw/ppc/ppc4xx_devs.c +++ b/hw/ppc/ppc4xx_devs.c @@ -29,7 +29,6 @@ #include "hw/irq.h" #include "hw/ppc/ppc.h" #include "hw/ppc/ppc4xx.h" -#include "hw/boards.h" #include "hw/intc/ppc-uic.h" #include "hw/qdev-properties.h" #include "qemu/log.h" diff --git a/hw/ppc/ppc4xx_pci.c b/hw/ppc/ppc4xx_pci.c index e8789f64e8..8147ba6f94 100644 --- a/hw/ppc/ppc4xx_pci.c +++ b/hw/ppc/ppc4xx_pci.c @@ -28,7 +28,6 @@ #include "sysemu/reset.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" -#include "exec/address-spaces.h" #include "trace.h" #include "qom/object.h" diff --git a/hw/ppc/ppc_booke.c b/hw/ppc/ppc_booke.c index 974c0c8a75..10b643861f 100644 --- a/hw/ppc/ppc_booke.c +++ b/hw/ppc/ppc_booke.c @@ -28,7 +28,6 @@ #include "qemu/timer.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" -#include "qemu/log.h" #include "hw/loader.h" #include "kvm_ppc.h" diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c index f1b1efdcef..acfc2a91d8 100644 --- a/hw/ppc/prep.c +++ b/hw/ppc/prep.c @@ -24,12 +24,10 @@ */ #include "qemu/osdep.h" -#include "cpu.h" #include "hw/rtc/m48t59.h" #include "hw/char/serial.h" #include "hw/block/fdc.h" #include "net/net.h" -#include "sysemu/sysemu.h" #include "hw/isa/isa.h" #include "hw/pci/pci.h" #include "hw/pci/pci_host.h" @@ -38,7 +36,6 @@ #include "qapi/error.h" #include "qemu/error-report.h" #include "qemu/log.h" -#include "hw/irq.h" #include "hw/loader.h" #include "hw/rtc/mc146818rtc.h" #include "hw/isa/pc87312.h" @@ -46,7 +43,6 @@ #include "sysemu/arch_init.h" #include "sysemu/kvm.h" #include "sysemu/reset.h" -#include "exec/address-spaces.h" #include "trace.h" #include "elf.h" #include "qemu/units.h" diff --git a/hw/ppc/rs6000_mc.c b/hw/ppc/rs6000_mc.c index 4db5b51a2d..c0bc212e92 100644 --- a/hw/ppc/rs6000_mc.c +++ b/hw/ppc/rs6000_mc.c @@ -23,7 +23,6 @@ #include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "exec/address-spaces.h" -#include "hw/boards.h" #include "qapi/error.h" #include "trace.h" #include "qom/object.h" diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 0c6baf77e8..0737234d66 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -24,7 +24,6 @@ #include "sysemu/block-backend.h" #include "hw/loader.h" #include "elf.h" -#include "exec/address-spaces.h" #include "exec/memory.h" #include "ppc440.h" #include "ppc405.h" diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 529ff056dd..c23bcc4490 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -54,7 +54,6 @@ #include "cpu-models.h" #include "hw/core/cpu.h" -#include "hw/boards.h" #include "hw/ppc/ppc.h" #include "hw/loader.h" @@ -70,7 +69,6 @@ #include "hw/virtio/virtio-scsi.h" #include "hw/virtio/vhost-scsi-common.h" -#include "exec/address-spaces.h" #include "exec/ram_addr.h" #include "hw/usb.h" #include "qemu/config-file.h" @@ -100,7 +98,7 @@ * * We load our kernel at 4M, leaving space for SLOF initial image */ -#define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ +#define FDT_MAX_ADDR 0x80000000 /* FDT must stay below that */ #define FW_MAX_SIZE 0x400000 #define FW_FILE_NAME "slof.bin" #define FW_OVERHEAD 0x2800000 @@ -705,10 +703,10 @@ static void spapr_dt_cpu(CPUState *cs, void *fdt, int offset, _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); - if (env->spr_cb[SPR_PURR].oea_read) { + if (ppc_has_spr(cpu, SPR_PURR)) { _FDT((fdt_setprop_cell(fdt, offset, "ibm,purr", 1))); } - if (env->spr_cb[SPR_SPURR].oea_read) { + if (ppc_has_spr(cpu, SPR_PURR)) { _FDT((fdt_setprop_cell(fdt, offset, "ibm,spurr", 1))); } @@ -981,6 +979,7 @@ static void spapr_dt_ov5_platform_support(SpaprMachineState *spapr, void *fdt, */ val[1] = SPAPR_OV5_XIVE_LEGACY; /* XICS */ val[3] = 0x00; /* Hash */ + spapr_check_mmu_mode(false); } else if (kvm_enabled()) { if (kvmppc_has_cap_mmu_radix() && kvmppc_has_cap_mmu_hash_v3()) { val[3] = 0x80; /* OV5_MMU_BOTH */ @@ -1558,6 +1557,22 @@ void spapr_setup_hpt(SpaprMachineState *spapr) } } +void spapr_check_mmu_mode(bool guest_radix) +{ + if (guest_radix) { + if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) { + error_report("Guest requested unavailable MMU mode (radix)."); + exit(EXIT_FAILURE); + } + } else { + if (kvm_enabled() && kvmppc_has_cap_mmu_radix() + && !kvmppc_has_cap_mmu_hash_v3()) { + error_report("Guest requested unavailable MMU mode (hash)."); + exit(EXIT_FAILURE); + } + } +} + static void spapr_machine_reset(MachineState *machine) { SpaprMachineState *spapr = SPAPR_MACHINE(machine); @@ -1617,11 +1632,11 @@ static void spapr_machine_reset(MachineState *machine) spapr_clear_pending_events(spapr); /* - * We place the device tree and RTAS just below either the top of the RMA, + * We place the device tree just below either the top of the RMA, * or just below 2GB, whichever is lower, so that it can be * processed with 32-bit real mode code if necessary */ - fdt_addr = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FDT_MAX_SIZE; + fdt_addr = MIN(spapr->rma_size, FDT_MAX_ADDR) - FDT_MAX_SIZE; fdt = spapr_build_fdt(spapr, true, FDT_MAX_SIZE); @@ -2694,7 +2709,7 @@ static void spapr_machine_init(MachineState *machine) spapr->rma_size = spapr_rma_size(spapr, &error_fatal); /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */ - load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD; + load_limit = MIN(spapr->rma_size, FDT_MAX_ADDR) - FW_OVERHEAD; /* * VSMT must be set in order to be able to compute VCPU ids, ie to @@ -4487,7 +4502,16 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) mc->init = spapr_machine_init; mc->reset = spapr_machine_reset; mc->block_default_type = IF_SCSI; - mc->max_cpus = 1024; + + /* + * Setting max_cpus to INT32_MAX. Both KVM and TCG max_cpus values + * should be limited by the host capability instead of hardcoded. + * max_cpus for KVM guests will be checked in kvm_init(), and TCG + * guests are welcome to have as many CPUs as the host are capable + * of emulate. + */ + mc->max_cpus = INT32_MAX; + mc->no_parallel = 1; mc->default_boot_order = ""; mc->default_ram_size = 512 * MiB; diff --git a/hw/ppc/spapr_caps.c b/hw/ppc/spapr_caps.c index 9ea7ddd1e9..d0c419b392 100644 --- a/hw/ppc/spapr_caps.c +++ b/hw/ppc/spapr_caps.c @@ -371,6 +371,65 @@ static bool spapr_pagesize_cb(void *opaque, uint32_t seg_pshift, return true; } +static void ppc_hash64_filter_pagesizes(PowerPCCPU *cpu, + bool (*cb)(void *, uint32_t, uint32_t), + void *opaque) +{ + PPCHash64Options *opts = cpu->hash64_opts; + int i; + int n = 0; + bool ci_largepage = false; + + assert(opts); + + n = 0; + for (i = 0; i < ARRAY_SIZE(opts->sps); i++) { + PPCHash64SegmentPageSizes *sps = &opts->sps[i]; + int j; + int m = 0; + + assert(n <= i); + + if (!sps->page_shift) { + break; + } + + for (j = 0; j < ARRAY_SIZE(sps->enc); j++) { + PPCHash64PageSize *ps = &sps->enc[j]; + + assert(m <= j); + if (!ps->page_shift) { + break; + } + + if (cb(opaque, sps->page_shift, ps->page_shift)) { + if (ps->page_shift >= 16) { + ci_largepage = true; + } + sps->enc[m++] = *ps; + } + } + + /* Clear rest of the row */ + for (j = m; j < ARRAY_SIZE(sps->enc); j++) { + memset(&sps->enc[j], 0, sizeof(sps->enc[j])); + } + + if (m) { + n++; + } + } + + /* Clear the rest of the table */ + for (i = n; i < ARRAY_SIZE(opts->sps); i++) { + memset(&opts->sps[i], 0, sizeof(opts->sps[i])); + } + + if (!ci_largepage) { + opts->flags &= ~PPC_HASH64_CI_LARGEPAGE; + } +} + static void cap_hpt_maxpagesize_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu, uint8_t val, Error **errp) diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c index 9e16505fa1..a2f2634601 100644 --- a/hw/ppc/spapr_drc.c +++ b/hw/ppc/spapr_drc.c @@ -13,7 +13,6 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "qapi/qmp/qnull.h" -#include "cpu.h" #include "qemu/cutils.h" #include "hw/ppc/spapr_drc.h" #include "qom/object.h" @@ -151,9 +150,32 @@ static uint32_t drc_isolate_logical(SpaprDrc *drc) static uint32_t drc_unisolate_logical(SpaprDrc *drc) { + SpaprMachineState *spapr = NULL; + switch (drc->state) { case SPAPR_DRC_STATE_LOGICAL_UNISOLATE: case SPAPR_DRC_STATE_LOGICAL_CONFIGURED: + /* + * Unisolating a logical DRC that was marked for unplug + * means that the kernel is refusing the removal. + */ + if (drc->unplug_requested && drc->dev) { + if (spapr_drc_type(drc) == SPAPR_DR_CONNECTOR_TYPE_LMB) { + spapr = SPAPR_MACHINE(qdev_get_machine()); + + spapr_memory_unplug_rollback(spapr, drc->dev); + } + + drc->unplug_requested = false; + error_report("Device hotunplug rejected by the guest " + "for device %s", drc->dev->id); + + /* + * TODO: send a QAPI DEVICE_UNPLUG_ERROR event when + * it is implemented. + */ + } + return RTAS_OUT_SUCCESS; /* Nothing to do */ case SPAPR_DRC_STATE_LOGICAL_AVAILABLE: break; /* see below */ diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c index d51daedfa6..0cfc19be19 100644 --- a/hw/ppc/spapr_events.c +++ b/hw/ppc/spapr_events.c @@ -27,7 +27,6 @@ #include "qemu/osdep.h" #include "qapi/error.h" -#include "cpu.h" #include "sysemu/device_tree.h" #include "sysemu/runstate.h" diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 7b5cd3553c..f25014afda 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -7,7 +7,6 @@ #include "qemu/main-loop.h" #include "qemu/module.h" #include "qemu/error-report.h" -#include "cpu.h" #include "exec/exec-all.h" #include "helper_regs.h" #include "hw/ppc/spapr.h" @@ -21,24 +20,7 @@ #include "mmu-book3s-v3.h" #include "hw/mem/memory-device.h" -static bool has_spr(PowerPCCPU *cpu, int spr) -{ - /* We can test whether the SPR is defined by checking for a valid name */ - return cpu->env.spr_cb[spr].name != NULL; -} - -static inline bool valid_ptex(PowerPCCPU *cpu, target_ulong ptex) -{ - /* - * hash value/pteg group index is normalized by HPT mask - */ - if (((ptex & ~7ULL) / HPTES_PER_GROUP) & ~ppc_hash64_hpt_mask(cpu)) { - return false; - } - return true; -} - -static bool is_ram_address(SpaprMachineState *spapr, hwaddr addr) +bool is_ram_address(SpaprMachineState *spapr, hwaddr addr) { MachineState *machine = MACHINE(spapr); DeviceMemoryState *dms = machine->device_memory; @@ -54,355 +36,6 @@ static bool is_ram_address(SpaprMachineState *spapr, hwaddr addr) return false; } -static target_ulong h_enter(PowerPCCPU *cpu, SpaprMachineState *spapr, - target_ulong opcode, target_ulong *args) -{ - target_ulong flags = args[0]; - target_ulong ptex = args[1]; - target_ulong pteh = args[2]; - target_ulong ptel = args[3]; - unsigned apshift; - target_ulong raddr; - target_ulong slot; - const ppc_hash_pte64_t *hptes; - - apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel); - if (!apshift) { - /* Bad page size encoding */ - return H_PARAMETER; - } - - raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1); - - if (is_ram_address(spapr, raddr)) { - /* Regular RAM - should have WIMG=0010 */ - if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) { - return H_PARAMETER; - } - } else { - target_ulong wimg_flags; - /* Looks like an IO address */ - /* FIXME: What WIMG combinations could be sensible for IO? - * For now we allow WIMG=010x, but are there others? */ - /* FIXME: Should we check against registered IO addresses? */ - wimg_flags = (ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)); - - if (wimg_flags != HPTE64_R_I && - wimg_flags != (HPTE64_R_I | HPTE64_R_M)) { - return H_PARAMETER; - } - } - - pteh &= ~0x60ULL; - - if (!valid_ptex(cpu, ptex)) { - return H_PARAMETER; - } - - slot = ptex & 7ULL; - ptex = ptex & ~7ULL; - - if (likely((flags & H_EXACT) == 0)) { - hptes = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); - for (slot = 0; slot < 8; slot++) { - if (!(ppc_hash64_hpte0(cpu, hptes, slot) & HPTE64_V_VALID)) { - break; - } - } - ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); - if (slot == 8) { - return H_PTEG_FULL; - } - } else { - hptes = ppc_hash64_map_hptes(cpu, ptex + slot, 1); - if (ppc_hash64_hpte0(cpu, hptes, 0) & HPTE64_V_VALID) { - ppc_hash64_unmap_hptes(cpu, hptes, ptex + slot, 1); - return H_PTEG_FULL; - } - ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); - } - - spapr_store_hpte(cpu, ptex + slot, pteh | HPTE64_V_HPTE_DIRTY, ptel); - - args[0] = ptex + slot; - return H_SUCCESS; -} - -typedef enum { - REMOVE_SUCCESS = 0, - REMOVE_NOT_FOUND = 1, - REMOVE_PARM = 2, - REMOVE_HW = 3, -} RemoveResult; - -static RemoveResult remove_hpte(PowerPCCPU *cpu - , target_ulong ptex, - target_ulong avpn, - target_ulong flags, - target_ulong *vp, target_ulong *rp) -{ - const ppc_hash_pte64_t *hptes; - target_ulong v, r; - - if (!valid_ptex(cpu, ptex)) { - return REMOVE_PARM; - } - - hptes = ppc_hash64_map_hptes(cpu, ptex, 1); - v = ppc_hash64_hpte0(cpu, hptes, 0); - r = ppc_hash64_hpte1(cpu, hptes, 0); - ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); - - if ((v & HPTE64_V_VALID) == 0 || - ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || - ((flags & H_ANDCOND) && (v & avpn) != 0)) { - return REMOVE_NOT_FOUND; - } - *vp = v; - *rp = r; - spapr_store_hpte(cpu, ptex, HPTE64_V_HPTE_DIRTY, 0); - ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); - return REMOVE_SUCCESS; -} - -static target_ulong h_remove(PowerPCCPU *cpu, SpaprMachineState *spapr, - target_ulong opcode, target_ulong *args) -{ - CPUPPCState *env = &cpu->env; - target_ulong flags = args[0]; - target_ulong ptex = args[1]; - target_ulong avpn = args[2]; - RemoveResult ret; - - ret = remove_hpte(cpu, ptex, avpn, flags, - &args[0], &args[1]); - - switch (ret) { - case REMOVE_SUCCESS: - check_tlb_flush(env, true); - return H_SUCCESS; - - case REMOVE_NOT_FOUND: - return H_NOT_FOUND; - - case REMOVE_PARM: - return H_PARAMETER; - - case REMOVE_HW: - return H_HARDWARE; - } - - g_assert_not_reached(); -} - -#define H_BULK_REMOVE_TYPE 0xc000000000000000ULL -#define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL -#define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL -#define H_BULK_REMOVE_END 0xc000000000000000ULL -#define H_BULK_REMOVE_CODE 0x3000000000000000ULL -#define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL -#define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL -#define H_BULK_REMOVE_PARM 0x2000000000000000ULL -#define H_BULK_REMOVE_HW 0x3000000000000000ULL -#define H_BULK_REMOVE_RC 0x0c00000000000000ULL -#define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL -#define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL -#define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL -#define H_BULK_REMOVE_AVPN 0x0200000000000000ULL -#define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL - -#define H_BULK_REMOVE_MAX_BATCH 4 - -static target_ulong h_bulk_remove(PowerPCCPU *cpu, SpaprMachineState *spapr, - target_ulong opcode, target_ulong *args) -{ - CPUPPCState *env = &cpu->env; - int i; - target_ulong rc = H_SUCCESS; - - for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { - target_ulong *tsh = &args[i*2]; - target_ulong tsl = args[i*2 + 1]; - target_ulong v, r, ret; - - if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { - break; - } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { - return H_PARAMETER; - } - - *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; - *tsh |= H_BULK_REMOVE_RESPONSE; - - if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { - *tsh |= H_BULK_REMOVE_PARM; - return H_PARAMETER; - } - - ret = remove_hpte(cpu, *tsh & H_BULK_REMOVE_PTEX, tsl, - (*tsh & H_BULK_REMOVE_FLAGS) >> 26, - &v, &r); - - *tsh |= ret << 60; - - switch (ret) { - case REMOVE_SUCCESS: - *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; - break; - - case REMOVE_PARM: - rc = H_PARAMETER; - goto exit; - - case REMOVE_HW: - rc = H_HARDWARE; - goto exit; - } - } - exit: - check_tlb_flush(env, true); - - return rc; -} - -static target_ulong h_protect(PowerPCCPU *cpu, SpaprMachineState *spapr, - target_ulong opcode, target_ulong *args) -{ - CPUPPCState *env = &cpu->env; - target_ulong flags = args[0]; - target_ulong ptex = args[1]; - target_ulong avpn = args[2]; - const ppc_hash_pte64_t *hptes; - target_ulong v, r; - - if (!valid_ptex(cpu, ptex)) { - return H_PARAMETER; - } - - hptes = ppc_hash64_map_hptes(cpu, ptex, 1); - v = ppc_hash64_hpte0(cpu, hptes, 0); - r = ppc_hash64_hpte1(cpu, hptes, 0); - ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); - - if ((v & HPTE64_V_VALID) == 0 || - ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { - return H_NOT_FOUND; - } - - r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | - HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); - r |= (flags << 55) & HPTE64_R_PP0; - r |= (flags << 48) & HPTE64_R_KEY_HI; - r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); - spapr_store_hpte(cpu, ptex, - (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); - ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); - /* Flush the tlb */ - check_tlb_flush(env, true); - /* Don't need a memory barrier, due to qemu's global lock */ - spapr_store_hpte(cpu, ptex, v | HPTE64_V_HPTE_DIRTY, r); - return H_SUCCESS; -} - -static target_ulong h_read(PowerPCCPU *cpu, SpaprMachineState *spapr, - target_ulong opcode, target_ulong *args) -{ - target_ulong flags = args[0]; - target_ulong ptex = args[1]; - int i, ridx, n_entries = 1; - const ppc_hash_pte64_t *hptes; - - if (!valid_ptex(cpu, ptex)) { - return H_PARAMETER; - } - - if (flags & H_READ_4) { - /* Clear the two low order bits */ - ptex &= ~(3ULL); - n_entries = 4; - } - - hptes = ppc_hash64_map_hptes(cpu, ptex, n_entries); - for (i = 0, ridx = 0; i < n_entries; i++) { - args[ridx++] = ppc_hash64_hpte0(cpu, hptes, i); - args[ridx++] = ppc_hash64_hpte1(cpu, hptes, i); - } - ppc_hash64_unmap_hptes(cpu, hptes, ptex, n_entries); - - return H_SUCCESS; -} - -struct SpaprPendingHpt { - /* These fields are read-only after initialization */ - int shift; - QemuThread thread; - - /* These fields are protected by the BQL */ - bool complete; - - /* These fields are private to the preparation thread if - * !complete, otherwise protected by the BQL */ - int ret; - void *hpt; -}; - -static void free_pending_hpt(SpaprPendingHpt *pending) -{ - if (pending->hpt) { - qemu_vfree(pending->hpt); - } - - g_free(pending); -} - -static void *hpt_prepare_thread(void *opaque) -{ - SpaprPendingHpt *pending = opaque; - size_t size = 1ULL << pending->shift; - - pending->hpt = qemu_try_memalign(size, size); - if (pending->hpt) { - memset(pending->hpt, 0, size); - pending->ret = H_SUCCESS; - } else { - pending->ret = H_NO_MEM; - } - - qemu_mutex_lock_iothread(); - - if (SPAPR_MACHINE(qdev_get_machine())->pending_hpt == pending) { - /* Ready to go */ - pending->complete = true; - } else { - /* We've been cancelled, clean ourselves up */ - free_pending_hpt(pending); - } - - qemu_mutex_unlock_iothread(); - return NULL; -} - -/* Must be called with BQL held */ -static void cancel_hpt_prepare(SpaprMachineState *spapr) -{ - SpaprPendingHpt *pending = spapr->pending_hpt; - - /* Let the thread know it's cancelled */ - spapr->pending_hpt = NULL; - - if (!pending) { - /* Nothing to do */ - return; - } - - if (!pending->complete) { - /* thread will clean itself up */ - return; - } - - free_pending_hpt(pending); -} - /* Convert a return code from the KVM ioctl()s implementing resize HPT * into a PAPR hypercall return code */ static target_ulong resize_hpt_convert_rc(int ret) @@ -448,7 +81,6 @@ static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu, { target_ulong flags = args[0]; int shift = args[1]; - SpaprPendingHpt *pending = spapr->pending_hpt; uint64_t current_ram_size; int rc; @@ -485,182 +117,11 @@ static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu, return resize_hpt_convert_rc(rc); } - if (pending) { - /* something already in progress */ - if (pending->shift == shift) { - /* and it's suitable */ - if (pending->complete) { - return pending->ret; - } else { - return H_LONG_BUSY_ORDER_100_MSEC; - } - } - - /* not suitable, cancel and replace */ - cancel_hpt_prepare(spapr); - } - - if (!shift) { - /* nothing to do */ - return H_SUCCESS; - } - - /* start new prepare */ - - pending = g_new0(SpaprPendingHpt, 1); - pending->shift = shift; - pending->ret = H_HARDWARE; - - qemu_thread_create(&pending->thread, "sPAPR HPT prepare", - hpt_prepare_thread, pending, QEMU_THREAD_DETACHED); - - spapr->pending_hpt = pending; - - /* In theory we could estimate the time more accurately based on - * the new size, but there's not much point */ - return H_LONG_BUSY_ORDER_100_MSEC; -} - -static uint64_t new_hpte_load0(void *htab, uint64_t pteg, int slot) -{ - uint8_t *addr = htab; - - addr += pteg * HASH_PTEG_SIZE_64; - addr += slot * HASH_PTE_SIZE_64; - return ldq_p(addr); -} - -static void new_hpte_store(void *htab, uint64_t pteg, int slot, - uint64_t pte0, uint64_t pte1) -{ - uint8_t *addr = htab; - - addr += pteg * HASH_PTEG_SIZE_64; - addr += slot * HASH_PTE_SIZE_64; - - stq_p(addr, pte0); - stq_p(addr + HASH_PTE_SIZE_64 / 2, pte1); -} - -static int rehash_hpte(PowerPCCPU *cpu, - const ppc_hash_pte64_t *hptes, - void *old_hpt, uint64_t oldsize, - void *new_hpt, uint64_t newsize, - uint64_t pteg, int slot) -{ - uint64_t old_hash_mask = (oldsize >> 7) - 1; - uint64_t new_hash_mask = (newsize >> 7) - 1; - target_ulong pte0 = ppc_hash64_hpte0(cpu, hptes, slot); - target_ulong pte1; - uint64_t avpn; - unsigned base_pg_shift; - uint64_t hash, new_pteg, replace_pte0; - - if (!(pte0 & HPTE64_V_VALID) || !(pte0 & HPTE64_V_BOLTED)) { - return H_SUCCESS; - } - - pte1 = ppc_hash64_hpte1(cpu, hptes, slot); - - base_pg_shift = ppc_hash64_hpte_page_shift_noslb(cpu, pte0, pte1); - assert(base_pg_shift); /* H_ENTER shouldn't allow a bad encoding */ - avpn = HPTE64_V_AVPN_VAL(pte0) & ~(((1ULL << base_pg_shift) - 1) >> 23); - - if (pte0 & HPTE64_V_SECONDARY) { - pteg = ~pteg; - } - - if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_256M) { - uint64_t offset, vsid; - - /* We only have 28 - 23 bits of offset in avpn */ - offset = (avpn & 0x1f) << 23; - vsid = avpn >> 5; - /* We can find more bits from the pteg value */ - if (base_pg_shift < 23) { - offset |= ((vsid ^ pteg) & old_hash_mask) << base_pg_shift; - } - - hash = vsid ^ (offset >> base_pg_shift); - } else if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_1T) { - uint64_t offset, vsid; - - /* We only have 40 - 23 bits of seg_off in avpn */ - offset = (avpn & 0x1ffff) << 23; - vsid = avpn >> 17; - if (base_pg_shift < 23) { - offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask) - << base_pg_shift; - } - - hash = vsid ^ (vsid << 25) ^ (offset >> base_pg_shift); - } else { - error_report("rehash_pte: Bad segment size in HPTE"); + if (kvm_enabled()) { return H_HARDWARE; } - new_pteg = hash & new_hash_mask; - if (pte0 & HPTE64_V_SECONDARY) { - assert(~pteg == (hash & old_hash_mask)); - new_pteg = ~new_pteg; - } else { - assert(pteg == (hash & old_hash_mask)); - } - assert((oldsize != newsize) || (pteg == new_pteg)); - replace_pte0 = new_hpte_load0(new_hpt, new_pteg, slot); - /* - * Strictly speaking, we don't need all these tests, since we only - * ever rehash bolted HPTEs. We might in future handle non-bolted - * HPTEs, though so make the logic correct for those cases as - * well. - */ - if (replace_pte0 & HPTE64_V_VALID) { - assert(newsize < oldsize); - if (replace_pte0 & HPTE64_V_BOLTED) { - if (pte0 & HPTE64_V_BOLTED) { - /* Bolted collision, nothing we can do */ - return H_PTEG_FULL; - } else { - /* Discard this hpte */ - return H_SUCCESS; - } - } - } - - new_hpte_store(new_hpt, new_pteg, slot, pte0, pte1); - return H_SUCCESS; -} - -static int rehash_hpt(PowerPCCPU *cpu, - void *old_hpt, uint64_t oldsize, - void *new_hpt, uint64_t newsize) -{ - uint64_t n_ptegs = oldsize >> 7; - uint64_t pteg; - int slot; - int rc; - - for (pteg = 0; pteg < n_ptegs; pteg++) { - hwaddr ptex = pteg * HPTES_PER_GROUP; - const ppc_hash_pte64_t *hptes - = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); - - if (!hptes) { - return H_HARDWARE; - } - - for (slot = 0; slot < HPTES_PER_GROUP; slot++) { - rc = rehash_hpte(cpu, hptes, old_hpt, oldsize, new_hpt, newsize, - pteg, slot); - if (rc != H_SUCCESS) { - ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); - return rc; - } - } - ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); - } - - return H_SUCCESS; + return softmmu_resize_hpt_prepare(cpu, spapr, shift); } static void do_push_sregs_to_kvm_pr(CPUState *cs, run_on_cpu_data data) @@ -676,7 +137,7 @@ static void do_push_sregs_to_kvm_pr(CPUState *cs, run_on_cpu_data data) } } -static void push_sregs_to_kvm_pr(SpaprMachineState *spapr) +void push_sregs_to_kvm_pr(SpaprMachineState *spapr) { CPUState *cs; @@ -701,9 +162,7 @@ static target_ulong h_resize_hpt_commit(PowerPCCPU *cpu, { target_ulong flags = args[0]; target_ulong shift = args[1]; - SpaprPendingHpt *pending = spapr->pending_hpt; int rc; - size_t newsize; if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) { return H_AUTHORITY; @@ -726,42 +185,14 @@ static target_ulong h_resize_hpt_commit(PowerPCCPU *cpu, return rc; } - if (flags != 0) { - return H_PARAMETER; - } - - if (!pending || (pending->shift != shift)) { - /* no matching prepare */ - return H_CLOSED; - } - - if (!pending->complete) { - /* prepare has not completed */ - return H_BUSY; + if (kvm_enabled()) { + return H_HARDWARE; } - /* Shouldn't have got past PREPARE without an HPT */ - g_assert(spapr->htab_shift); - - newsize = 1ULL << pending->shift; - rc = rehash_hpt(cpu, spapr->htab, HTAB_SIZE(spapr), - pending->hpt, newsize); - if (rc == H_SUCCESS) { - qemu_vfree(spapr->htab); - spapr->htab = pending->hpt; - spapr->htab_shift = pending->shift; - - push_sregs_to_kvm_pr(spapr); - - pending->hpt = NULL; /* so it's not free()d */ - } + return softmmu_resize_hpt_commit(cpu, spapr, flags, shift); +} - /* Clean up */ - spapr->pending_hpt = NULL; - free_pending_hpt(pending); - return rc; -} static target_ulong h_set_sprg0(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) @@ -775,12 +206,12 @@ static target_ulong h_set_sprg0(PowerPCCPU *cpu, SpaprMachineState *spapr, static target_ulong h_set_dabr(PowerPCCPU *cpu, SpaprMachineState *spapr, target_ulong opcode, target_ulong *args) { - if (!has_spr(cpu, SPR_DABR)) { + if (!ppc_has_spr(cpu, SPR_DABR)) { return H_HARDWARE; /* DABR register not available */ } cpu_synchronize_state(CPU(cpu)); - if (has_spr(cpu, SPR_DABRX)) { + if (ppc_has_spr(cpu, SPR_DABRX)) { cpu->env.spr[SPR_DABRX] = 0x3; /* Use Problem and Privileged state */ } else if (!(args[0] & 0x4)) { /* Breakpoint Translation set? */ return H_RESERVED_DABR; @@ -795,7 +226,7 @@ static target_ulong h_set_xdabr(PowerPCCPU *cpu, SpaprMachineState *spapr, { target_ulong dabrx = args[1]; - if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) { + if (!ppc_has_spr(cpu, SPR_DABR) || !ppc_has_spr(cpu, SPR_DABRX)) { return H_HARDWARE; } @@ -1395,7 +826,13 @@ static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu, return H_P4; } - if (mflags == AIL_RESERVED) { + if (mflags == 1) { + /* AIL=1 is reserved in POWER8/POWER9/POWER10 */ + return H_UNSUPPORTED_FLAG; + } + + if (mflags == 2 && (pcc->insns_flags2 & PPC2_ISA310)) { + /* AIL=2 is reserved in POWER10 (ISA v3.1) */ return H_UNSUPPORTED_FLAG; } @@ -1755,18 +1192,8 @@ target_ulong do_client_architecture_support(PowerPCCPU *cpu, spapr_ovec_intersect(spapr->ov5_cas, spapr->ov5, ov5_guest); spapr_ovec_cleanup(ov5_guest); - if (guest_radix) { - if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) { - error_report("Guest requested unavailable MMU mode (radix)."); - exit(EXIT_FAILURE); - } - } else { - if (kvm_enabled() && kvmppc_has_cap_mmu_radix() - && !kvmppc_has_cap_mmu_hash_v3()) { - error_report("Guest requested unavailable MMU mode (hash)."); - exit(EXIT_FAILURE); - } - } + spapr_check_mmu_mode(guest_radix); + spapr->cas_pre_isa3_guest = !spapr_ovec_test(ov1_guest, OV1_PPC_3_00); spapr_ovec_cleanup(ov1_guest); @@ -2018,16 +1445,34 @@ target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, return H_FUNCTION; } -static void hypercall_register_types(void) +#ifndef CONFIG_TCG +static target_ulong h_softmmu(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + g_assert_not_reached(); +} + +static void hypercall_register_softmmu(void) { /* hcall-pft */ - spapr_register_hypercall(H_ENTER, h_enter); - spapr_register_hypercall(H_REMOVE, h_remove); - spapr_register_hypercall(H_PROTECT, h_protect); - spapr_register_hypercall(H_READ, h_read); + spapr_register_hypercall(H_ENTER, h_softmmu); + spapr_register_hypercall(H_REMOVE, h_softmmu); + spapr_register_hypercall(H_PROTECT, h_softmmu); + spapr_register_hypercall(H_READ, h_softmmu); /* hcall-bulk */ - spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); + spapr_register_hypercall(H_BULK_REMOVE, h_softmmu); +} +#else +static void hypercall_register_softmmu(void) +{ + /* DO NOTHING */ +} +#endif + +static void hypercall_register_types(void) +{ + hypercall_register_softmmu(); /* hcall-hpt-resize */ spapr_register_hypercall(H_RESIZE_HPT_PREPARE, h_resize_hpt_prepare); diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c index 24537ffcbd..db01071858 100644 --- a/hw/ppc/spapr_iommu.c +++ b/hw/ppc/spapr_iommu.c @@ -25,7 +25,6 @@ #include "kvm_ppc.h" #include "migration/vmstate.h" #include "sysemu/dma.h" -#include "exec/address-spaces.h" #include "trace.h" #include "hw/ppc/spapr.h" diff --git a/hw/ppc/spapr_nvdimm.c b/hw/ppc/spapr_nvdimm.c index b46c36917c..252204e25f 100644 --- a/hw/ppc/spapr_nvdimm.c +++ b/hw/ppc/spapr_nvdimm.c @@ -31,6 +31,10 @@ #include "qemu/range.h" #include "hw/ppc/spapr_numa.h" +/* DIMM health bitmap bitmap indicators. Taken from kernel's papr_scm.c */ +/* SCM device is unable to persist memory contents */ +#define PAPR_PMEM_UNARMED PPC_BIT(0) + bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm, uint64_t size, Error **errp) { @@ -467,6 +471,37 @@ static target_ulong h_scm_unbind_all(PowerPCCPU *cpu, SpaprMachineState *spapr, return H_SUCCESS; } +static target_ulong h_scm_health(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + + NVDIMMDevice *nvdimm; + uint64_t hbitmap = 0; + uint32_t drc_index = args[0]; + SpaprDrc *drc = spapr_drc_by_index(drc_index); + const uint64_t hbitmap_mask = PAPR_PMEM_UNARMED; + + + /* Ensure that the drc is valid & is valid PMEM dimm and is plugged in */ + if (!drc || !drc->dev || + spapr_drc_type(drc) != SPAPR_DR_CONNECTOR_TYPE_PMEM) { + return H_PARAMETER; + } + + nvdimm = NVDIMM(drc->dev); + + /* Update if the nvdimm is unarmed and send its status via health bitmaps */ + if (object_property_get_bool(OBJECT(nvdimm), NVDIMM_UNARMED_PROP, NULL)) { + hbitmap |= PAPR_PMEM_UNARMED; + } + + /* Update the out args with health bitmap/mask */ + args[0] = hbitmap; + args[1] = hbitmap_mask; + + return H_SUCCESS; +} + static void spapr_scm_register_types(void) { /* qemu/scm specific hcalls */ @@ -475,6 +510,7 @@ static void spapr_scm_register_types(void) spapr_register_hypercall(H_SCM_BIND_MEM, h_scm_bind_mem); spapr_register_hypercall(H_SCM_UNBIND_MEM, h_scm_unbind_mem); spapr_register_hypercall(H_SCM_UNBIND_ALL, h_scm_unbind_all); + spapr_register_hypercall(H_SCM_HEALTH, h_scm_health); } type_init(spapr_scm_register_types) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index feba18cb12..7a725855f9 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -25,7 +25,6 @@ #include "qemu/osdep.h" #include "qapi/error.h" -#include "cpu.h" #include "hw/irq.h" #include "hw/sysbus.h" #include "migration/vmstate.h" @@ -35,7 +34,6 @@ #include "hw/pci/pci_host.h" #include "hw/ppc/spapr.h" #include "hw/pci-host/spapr.h" -#include "exec/address-spaces.h" #include "exec/ram_addr.h" #include <libfdt.h> #include "trace.h" diff --git a/hw/ppc/spapr_pci_vfio.c b/hw/ppc/spapr_pci_vfio.c index e0547b1740..7817cf72ee 100644 --- a/hw/ppc/spapr_pci_vfio.c +++ b/hw/ppc/spapr_pci_vfio.c @@ -19,7 +19,6 @@ #include "qemu/osdep.h" #include <linux/vfio.h> -#include "cpu.h" #include "hw/ppc/spapr.h" #include "hw/pci-host/spapr.h" #include "hw/pci/msix.h" diff --git a/hw/ppc/spapr_rng.c b/hw/ppc/spapr_rng.c index d14800e9de..df5c4b9687 100644 --- a/hw/ppc/spapr_rng.c +++ b/hw/ppc/spapr_rng.c @@ -19,7 +19,6 @@ #include "qemu/osdep.h" #include "qapi/error.h" -#include "cpu.h" #include "qemu/error-report.h" #include "qemu/main-loop.h" #include "qemu/module.h" diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 8a79f9c628..03355b4c0a 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -26,7 +26,6 @@ */ #include "qemu/osdep.h" -#include "cpu.h" #include "qemu/log.h" #include "qemu/error-report.h" #include "sysemu/sysemu.h" @@ -41,7 +40,6 @@ #include "hw/ppc/spapr_rtas.h" #include "hw/ppc/spapr_cpu_core.h" #include "hw/ppc/ppc.h" -#include "hw/boards.h" #include <libfdt.h> #include "hw/ppc/spapr_drc.h" @@ -51,6 +49,7 @@ #include "target/ppc/mmu-hash64.h" #include "target/ppc/mmu-book3s-v3.h" #include "migration/blocker.h" +#include "helper_regs.h" static void rtas_display_character(PowerPCCPU *cpu, SpaprMachineState *spapr, uint32_t token, uint32_t nargs, @@ -163,6 +162,7 @@ static void rtas_start_cpu(PowerPCCPU *callcpu, SpaprMachineState *spapr, cpu_synchronize_state(CPU(newcpu)); env->msr = (1ULL << MSR_SF) | (1ULL << MSR_ME); + hreg_compute_hflags(env); /* Enable Power-saving mode Exit Cause exceptions for the new CPU */ lpcr = env->spr[SPR_LPCR]; diff --git a/hw/ppc/spapr_rtas_ddw.c b/hw/ppc/spapr_rtas_ddw.c index 3501b05819..3e826e1308 100644 --- a/hw/ppc/spapr_rtas_ddw.c +++ b/hw/ppc/spapr_rtas_ddw.c @@ -18,7 +18,6 @@ */ #include "qemu/osdep.h" -#include "cpu.h" #include "qemu/error-report.h" #include "qemu/module.h" #include "hw/ppc/spapr.h" diff --git a/hw/ppc/spapr_rtc.c b/hw/ppc/spapr_rtc.c index 68cfc578a3..fba4dfca35 100644 --- a/hw/ppc/spapr_rtc.c +++ b/hw/ppc/spapr_rtc.c @@ -27,7 +27,6 @@ #include "qemu/osdep.h" #include "qemu-common.h" -#include "cpu.h" #include "qemu/timer.h" #include "sysemu/sysemu.h" #include "hw/ppc/spapr.h" diff --git a/hw/ppc/spapr_softmmu.c b/hw/ppc/spapr_softmmu.c new file mode 100644 index 0000000000..6c6b86dd3c --- /dev/null +++ b/hw/ppc/spapr_softmmu.c @@ -0,0 +1,627 @@ +#include "qemu/osdep.h" +#include "qemu/cutils.h" +#include "qapi/error.h" +#include "sysemu/hw_accel.h" +#include "sysemu/runstate.h" +#include "qemu/log.h" +#include "qemu/main-loop.h" +#include "qemu/module.h" +#include "qemu/error-report.h" +#include "cpu.h" +#include "exec/exec-all.h" +#include "helper_regs.h" +#include "hw/ppc/spapr.h" +#include "hw/ppc/spapr_cpu_core.h" +#include "mmu-hash64.h" +#include "cpu-models.h" +#include "trace.h" +#include "kvm_ppc.h" +#include "hw/ppc/fdt.h" +#include "hw/ppc/spapr_ovec.h" +#include "mmu-book3s-v3.h" +#include "hw/mem/memory-device.h" + +static inline bool valid_ptex(PowerPCCPU *cpu, target_ulong ptex) +{ + /* + * hash value/pteg group index is normalized by HPT mask + */ + if (((ptex & ~7ULL) / HPTES_PER_GROUP) & ~ppc_hash64_hpt_mask(cpu)) { + return false; + } + return true; +} + +static target_ulong h_enter(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + target_ulong flags = args[0]; + target_ulong ptex = args[1]; + target_ulong pteh = args[2]; + target_ulong ptel = args[3]; + unsigned apshift; + target_ulong raddr; + target_ulong slot; + const ppc_hash_pte64_t *hptes; + + apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel); + if (!apshift) { + /* Bad page size encoding */ + return H_PARAMETER; + } + + raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1); + + if (is_ram_address(spapr, raddr)) { + /* Regular RAM - should have WIMG=0010 */ + if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) { + return H_PARAMETER; + } + } else { + target_ulong wimg_flags; + /* Looks like an IO address */ + /* FIXME: What WIMG combinations could be sensible for IO? + * For now we allow WIMG=010x, but are there others? */ + /* FIXME: Should we check against registered IO addresses? */ + wimg_flags = (ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)); + + if (wimg_flags != HPTE64_R_I && + wimg_flags != (HPTE64_R_I | HPTE64_R_M)) { + return H_PARAMETER; + } + } + + pteh &= ~0x60ULL; + + if (!valid_ptex(cpu, ptex)) { + return H_PARAMETER; + } + + slot = ptex & 7ULL; + ptex = ptex & ~7ULL; + + if (likely((flags & H_EXACT) == 0)) { + hptes = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); + for (slot = 0; slot < 8; slot++) { + if (!(ppc_hash64_hpte0(cpu, hptes, slot) & HPTE64_V_VALID)) { + break; + } + } + ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); + if (slot == 8) { + return H_PTEG_FULL; + } + } else { + hptes = ppc_hash64_map_hptes(cpu, ptex + slot, 1); + if (ppc_hash64_hpte0(cpu, hptes, 0) & HPTE64_V_VALID) { + ppc_hash64_unmap_hptes(cpu, hptes, ptex + slot, 1); + return H_PTEG_FULL; + } + ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); + } + + spapr_store_hpte(cpu, ptex + slot, pteh | HPTE64_V_HPTE_DIRTY, ptel); + + args[0] = ptex + slot; + return H_SUCCESS; +} + +typedef enum { + REMOVE_SUCCESS = 0, + REMOVE_NOT_FOUND = 1, + REMOVE_PARM = 2, + REMOVE_HW = 3, +} RemoveResult; + +static RemoveResult remove_hpte(PowerPCCPU *cpu + , target_ulong ptex, + target_ulong avpn, + target_ulong flags, + target_ulong *vp, target_ulong *rp) +{ + const ppc_hash_pte64_t *hptes; + target_ulong v, r; + + if (!valid_ptex(cpu, ptex)) { + return REMOVE_PARM; + } + + hptes = ppc_hash64_map_hptes(cpu, ptex, 1); + v = ppc_hash64_hpte0(cpu, hptes, 0); + r = ppc_hash64_hpte1(cpu, hptes, 0); + ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); + + if ((v & HPTE64_V_VALID) == 0 || + ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || + ((flags & H_ANDCOND) && (v & avpn) != 0)) { + return REMOVE_NOT_FOUND; + } + *vp = v; + *rp = r; + spapr_store_hpte(cpu, ptex, HPTE64_V_HPTE_DIRTY, 0); + ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); + return REMOVE_SUCCESS; +} + +static target_ulong h_remove(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + CPUPPCState *env = &cpu->env; + target_ulong flags = args[0]; + target_ulong ptex = args[1]; + target_ulong avpn = args[2]; + RemoveResult ret; + + ret = remove_hpte(cpu, ptex, avpn, flags, + &args[0], &args[1]); + + switch (ret) { + case REMOVE_SUCCESS: + check_tlb_flush(env, true); + return H_SUCCESS; + + case REMOVE_NOT_FOUND: + return H_NOT_FOUND; + + case REMOVE_PARM: + return H_PARAMETER; + + case REMOVE_HW: + return H_HARDWARE; + } + + g_assert_not_reached(); +} + +#define H_BULK_REMOVE_TYPE 0xc000000000000000ULL +#define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL +#define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL +#define H_BULK_REMOVE_END 0xc000000000000000ULL +#define H_BULK_REMOVE_CODE 0x3000000000000000ULL +#define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL +#define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL +#define H_BULK_REMOVE_PARM 0x2000000000000000ULL +#define H_BULK_REMOVE_HW 0x3000000000000000ULL +#define H_BULK_REMOVE_RC 0x0c00000000000000ULL +#define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL +#define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL +#define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL +#define H_BULK_REMOVE_AVPN 0x0200000000000000ULL +#define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL + +#define H_BULK_REMOVE_MAX_BATCH 4 + +static target_ulong h_bulk_remove(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + CPUPPCState *env = &cpu->env; + int i; + target_ulong rc = H_SUCCESS; + + for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { + target_ulong *tsh = &args[i*2]; + target_ulong tsl = args[i*2 + 1]; + target_ulong v, r, ret; + + if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { + break; + } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { + return H_PARAMETER; + } + + *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; + *tsh |= H_BULK_REMOVE_RESPONSE; + + if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { + *tsh |= H_BULK_REMOVE_PARM; + return H_PARAMETER; + } + + ret = remove_hpte(cpu, *tsh & H_BULK_REMOVE_PTEX, tsl, + (*tsh & H_BULK_REMOVE_FLAGS) >> 26, + &v, &r); + + *tsh |= ret << 60; + + switch (ret) { + case REMOVE_SUCCESS: + *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; + break; + + case REMOVE_PARM: + rc = H_PARAMETER; + goto exit; + + case REMOVE_HW: + rc = H_HARDWARE; + goto exit; + } + } + exit: + check_tlb_flush(env, true); + + return rc; +} + +static target_ulong h_protect(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + CPUPPCState *env = &cpu->env; + target_ulong flags = args[0]; + target_ulong ptex = args[1]; + target_ulong avpn = args[2]; + const ppc_hash_pte64_t *hptes; + target_ulong v, r; + + if (!valid_ptex(cpu, ptex)) { + return H_PARAMETER; + } + + hptes = ppc_hash64_map_hptes(cpu, ptex, 1); + v = ppc_hash64_hpte0(cpu, hptes, 0); + r = ppc_hash64_hpte1(cpu, hptes, 0); + ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); + + if ((v & HPTE64_V_VALID) == 0 || + ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { + return H_NOT_FOUND; + } + + r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | + HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); + r |= (flags << 55) & HPTE64_R_PP0; + r |= (flags << 48) & HPTE64_R_KEY_HI; + r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); + spapr_store_hpte(cpu, ptex, + (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); + ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); + /* Flush the tlb */ + check_tlb_flush(env, true); + /* Don't need a memory barrier, due to qemu's global lock */ + spapr_store_hpte(cpu, ptex, v | HPTE64_V_HPTE_DIRTY, r); + return H_SUCCESS; +} + +static target_ulong h_read(PowerPCCPU *cpu, SpaprMachineState *spapr, + target_ulong opcode, target_ulong *args) +{ + target_ulong flags = args[0]; + target_ulong ptex = args[1]; + int i, ridx, n_entries = 1; + const ppc_hash_pte64_t *hptes; + + if (!valid_ptex(cpu, ptex)) { + return H_PARAMETER; + } + + if (flags & H_READ_4) { + /* Clear the two low order bits */ + ptex &= ~(3ULL); + n_entries = 4; + } + + hptes = ppc_hash64_map_hptes(cpu, ptex, n_entries); + for (i = 0, ridx = 0; i < n_entries; i++) { + args[ridx++] = ppc_hash64_hpte0(cpu, hptes, i); + args[ridx++] = ppc_hash64_hpte1(cpu, hptes, i); + } + ppc_hash64_unmap_hptes(cpu, hptes, ptex, n_entries); + + return H_SUCCESS; +} + +struct SpaprPendingHpt { + /* These fields are read-only after initialization */ + int shift; + QemuThread thread; + + /* These fields are protected by the BQL */ + bool complete; + + /* These fields are private to the preparation thread if + * !complete, otherwise protected by the BQL */ + int ret; + void *hpt; +}; + +static void free_pending_hpt(SpaprPendingHpt *pending) +{ + if (pending->hpt) { + qemu_vfree(pending->hpt); + } + + g_free(pending); +} + +static void *hpt_prepare_thread(void *opaque) +{ + SpaprPendingHpt *pending = opaque; + size_t size = 1ULL << pending->shift; + + pending->hpt = qemu_try_memalign(size, size); + if (pending->hpt) { + memset(pending->hpt, 0, size); + pending->ret = H_SUCCESS; + } else { + pending->ret = H_NO_MEM; + } + + qemu_mutex_lock_iothread(); + + if (SPAPR_MACHINE(qdev_get_machine())->pending_hpt == pending) { + /* Ready to go */ + pending->complete = true; + } else { + /* We've been cancelled, clean ourselves up */ + free_pending_hpt(pending); + } + + qemu_mutex_unlock_iothread(); + return NULL; +} + +/* Must be called with BQL held */ +static void cancel_hpt_prepare(SpaprMachineState *spapr) +{ + SpaprPendingHpt *pending = spapr->pending_hpt; + + /* Let the thread know it's cancelled */ + spapr->pending_hpt = NULL; + + if (!pending) { + /* Nothing to do */ + return; + } + + if (!pending->complete) { + /* thread will clean itself up */ + return; + } + + free_pending_hpt(pending); +} + +target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong shift) +{ + SpaprPendingHpt *pending = spapr->pending_hpt; + + if (pending) { + /* something already in progress */ + if (pending->shift == shift) { + /* and it's suitable */ + if (pending->complete) { + return pending->ret; + } else { + return H_LONG_BUSY_ORDER_100_MSEC; + } + } + + /* not suitable, cancel and replace */ + cancel_hpt_prepare(spapr); + } + + if (!shift) { + /* nothing to do */ + return H_SUCCESS; + } + + /* start new prepare */ + + pending = g_new0(SpaprPendingHpt, 1); + pending->shift = shift; + pending->ret = H_HARDWARE; + + qemu_thread_create(&pending->thread, "sPAPR HPT prepare", + hpt_prepare_thread, pending, QEMU_THREAD_DETACHED); + + spapr->pending_hpt = pending; + + /* In theory we could estimate the time more accurately based on + * the new size, but there's not much point */ + return H_LONG_BUSY_ORDER_100_MSEC; +} + +static uint64_t new_hpte_load0(void *htab, uint64_t pteg, int slot) +{ + uint8_t *addr = htab; + + addr += pteg * HASH_PTEG_SIZE_64; + addr += slot * HASH_PTE_SIZE_64; + return ldq_p(addr); +} + +static void new_hpte_store(void *htab, uint64_t pteg, int slot, + uint64_t pte0, uint64_t pte1) +{ + uint8_t *addr = htab; + + addr += pteg * HASH_PTEG_SIZE_64; + addr += slot * HASH_PTE_SIZE_64; + + stq_p(addr, pte0); + stq_p(addr + HASH_PTE_SIZE_64 / 2, pte1); +} + +static int rehash_hpte(PowerPCCPU *cpu, + const ppc_hash_pte64_t *hptes, + void *old_hpt, uint64_t oldsize, + void *new_hpt, uint64_t newsize, + uint64_t pteg, int slot) +{ + uint64_t old_hash_mask = (oldsize >> 7) - 1; + uint64_t new_hash_mask = (newsize >> 7) - 1; + target_ulong pte0 = ppc_hash64_hpte0(cpu, hptes, slot); + target_ulong pte1; + uint64_t avpn; + unsigned base_pg_shift; + uint64_t hash, new_pteg, replace_pte0; + + if (!(pte0 & HPTE64_V_VALID) || !(pte0 & HPTE64_V_BOLTED)) { + return H_SUCCESS; + } + + pte1 = ppc_hash64_hpte1(cpu, hptes, slot); + + base_pg_shift = ppc_hash64_hpte_page_shift_noslb(cpu, pte0, pte1); + assert(base_pg_shift); /* H_ENTER shouldn't allow a bad encoding */ + avpn = HPTE64_V_AVPN_VAL(pte0) & ~(((1ULL << base_pg_shift) - 1) >> 23); + + if (pte0 & HPTE64_V_SECONDARY) { + pteg = ~pteg; + } + + if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_256M) { + uint64_t offset, vsid; + + /* We only have 28 - 23 bits of offset in avpn */ + offset = (avpn & 0x1f) << 23; + vsid = avpn >> 5; + /* We can find more bits from the pteg value */ + if (base_pg_shift < 23) { + offset |= ((vsid ^ pteg) & old_hash_mask) << base_pg_shift; + } + + hash = vsid ^ (offset >> base_pg_shift); + } else if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_1T) { + uint64_t offset, vsid; + + /* We only have 40 - 23 bits of seg_off in avpn */ + offset = (avpn & 0x1ffff) << 23; + vsid = avpn >> 17; + if (base_pg_shift < 23) { + offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask) + << base_pg_shift; + } + + hash = vsid ^ (vsid << 25) ^ (offset >> base_pg_shift); + } else { + error_report("rehash_pte: Bad segment size in HPTE"); + return H_HARDWARE; + } + + new_pteg = hash & new_hash_mask; + if (pte0 & HPTE64_V_SECONDARY) { + assert(~pteg == (hash & old_hash_mask)); + new_pteg = ~new_pteg; + } else { + assert(pteg == (hash & old_hash_mask)); + } + assert((oldsize != newsize) || (pteg == new_pteg)); + replace_pte0 = new_hpte_load0(new_hpt, new_pteg, slot); + /* + * Strictly speaking, we don't need all these tests, since we only + * ever rehash bolted HPTEs. We might in future handle non-bolted + * HPTEs, though so make the logic correct for those cases as + * well. + */ + if (replace_pte0 & HPTE64_V_VALID) { + assert(newsize < oldsize); + if (replace_pte0 & HPTE64_V_BOLTED) { + if (pte0 & HPTE64_V_BOLTED) { + /* Bolted collision, nothing we can do */ + return H_PTEG_FULL; + } else { + /* Discard this hpte */ + return H_SUCCESS; + } + } + } + + new_hpte_store(new_hpt, new_pteg, slot, pte0, pte1); + return H_SUCCESS; +} + +static int rehash_hpt(PowerPCCPU *cpu, + void *old_hpt, uint64_t oldsize, + void *new_hpt, uint64_t newsize) +{ + uint64_t n_ptegs = oldsize >> 7; + uint64_t pteg; + int slot; + int rc; + + for (pteg = 0; pteg < n_ptegs; pteg++) { + hwaddr ptex = pteg * HPTES_PER_GROUP; + const ppc_hash_pte64_t *hptes + = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); + + if (!hptes) { + return H_HARDWARE; + } + + for (slot = 0; slot < HPTES_PER_GROUP; slot++) { + rc = rehash_hpte(cpu, hptes, old_hpt, oldsize, new_hpt, newsize, + pteg, slot); + if (rc != H_SUCCESS) { + ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); + return rc; + } + } + ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); + } + + return H_SUCCESS; +} + +target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong flags, + target_ulong shift) +{ + SpaprPendingHpt *pending = spapr->pending_hpt; + int rc; + size_t newsize; + + if (flags != 0) { + return H_PARAMETER; + } + + if (!pending || (pending->shift != shift)) { + /* no matching prepare */ + return H_CLOSED; + } + + if (!pending->complete) { + /* prepare has not completed */ + return H_BUSY; + } + + /* Shouldn't have got past PREPARE without an HPT */ + g_assert(spapr->htab_shift); + + newsize = 1ULL << pending->shift; + rc = rehash_hpt(cpu, spapr->htab, HTAB_SIZE(spapr), + pending->hpt, newsize); + if (rc == H_SUCCESS) { + qemu_vfree(spapr->htab); + spapr->htab = pending->hpt; + spapr->htab_shift = pending->shift; + + push_sregs_to_kvm_pr(spapr); + + pending->hpt = NULL; /* so it's not free()d */ + } + + /* Clean up */ + spapr->pending_hpt = NULL; + free_pending_hpt(pending); + + return rc; +} + +static void hypercall_register_types(void) +{ + /* hcall-pft */ + spapr_register_hypercall(H_ENTER, h_enter); + spapr_register_hypercall(H_REMOVE, h_remove); + spapr_register_hypercall(H_PROTECT, h_protect); + spapr_register_hypercall(H_READ, h_read); + + /* hcall-bulk */ + spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); + +} + +type_init(hypercall_register_types) diff --git a/hw/ppc/spapr_tpm_proxy.c b/hw/ppc/spapr_tpm_proxy.c index a01f81f9e0..2454086744 100644 --- a/hw/ppc/spapr_tpm_proxy.c +++ b/hw/ppc/spapr_tpm_proxy.c @@ -15,7 +15,6 @@ #include "qapi/error.h" #include "qemu/error-report.h" #include "sysemu/reset.h" -#include "cpu.h" #include "hw/ppc/spapr.h" #include "hw/qdev-properties.h" #include "trace.h" diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c index ef06e0362c..b59452bcd6 100644 --- a/hw/ppc/spapr_vio.c +++ b/hw/ppc/spapr_vio.c @@ -310,7 +310,7 @@ int spapr_vio_send_crq(SpaprVioDevice *dev, uint8_t *crq) static void spapr_vio_quiesce_one(SpaprVioDevice *dev) { if (dev->tcet) { - device_legacy_reset(DEVICE(dev->tcet)); + device_cold_reset(DEVICE(dev->tcet)); } free_crq(dev); } diff --git a/hw/ppc/virtex_ml507.c b/hw/ppc/virtex_ml507.c index cb421570da..9c575403b8 100644 --- a/hw/ppc/virtex_ml507.c +++ b/hw/ppc/virtex_ml507.c @@ -38,9 +38,7 @@ #include "elf.h" #include "qapi/error.h" #include "qemu/error-report.h" -#include "qemu/log.h" #include "qemu/option.h" -#include "exec/address-spaces.h" #include "hw/intc/ppc-uic.h" #include "hw/ppc/ppc.h" |