diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 450 |
1 files changed, 238 insertions, 212 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index bcf5f0f6ba..a6f19473cf 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -91,25 +91,6 @@ #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) -typedef struct sPAPRMachineState sPAPRMachineState; - -#define TYPE_SPAPR_MACHINE "spapr-machine" -#define SPAPR_MACHINE(obj) \ - OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE) - -/** - * sPAPRMachineState: - */ -struct sPAPRMachineState { - /*< private >*/ - MachineState parent_obj; - - /*< public >*/ - char *kvm_type; -}; - -sPAPREnvironment *spapr; - static XICSState *try_create_xics(const char *type, int nr_servers, int nr_irqs, Error **errp) { @@ -185,7 +166,28 @@ static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, return ret; } -static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) +static int spapr_fixup_cpu_numa_dt(void *fdt, int offset, CPUState *cs) +{ + int ret = 0; + PowerPCCPU *cpu = POWERPC_CPU(cs); + int index = ppc_get_vcpu_dt_id(cpu); + uint32_t associativity[] = {cpu_to_be32(0x5), + cpu_to_be32(0x0), + cpu_to_be32(0x0), + cpu_to_be32(0x0), + cpu_to_be32(cs->numa_node), + cpu_to_be32(index)}; + + /* Advertise NUMA via ibm,associativity */ + if (nb_numa_nodes > 1) { + ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, + sizeof(associativity)); + } + + return ret; +} + +static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr) { int ret = 0, offset, cpus_offset; CPUState *cs; @@ -197,12 +199,6 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) PowerPCCPU *cpu = POWERPC_CPU(cs); DeviceClass *dc = DEVICE_GET_CLASS(cs); int index = ppc_get_vcpu_dt_id(cpu); - uint32_t associativity[] = {cpu_to_be32(0x5), - cpu_to_be32(0x0), - cpu_to_be32(0x0), - cpu_to_be32(0x0), - cpu_to_be32(cs->numa_node), - cpu_to_be32(index)}; if ((index % smt) != 0) { continue; @@ -226,20 +222,17 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) } } - if (nb_numa_nodes > 1) { - ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, - sizeof(associativity)); - if (ret < 0) { - return ret; - } - } - ret = fdt_setprop(fdt, offset, "ibm,pft-size", pft_size_prop, sizeof(pft_size_prop)); if (ret < 0) { return ret; } + ret = spapr_fixup_cpu_numa_dt(fdt, offset, cs); + if (ret < 0) { + return ret; + } + ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, ppc_get_compat_smt_threads(cpu)); if (ret < 0) { @@ -285,15 +278,18 @@ static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, static hwaddr spapr_node0_size(void) { + MachineState *machine = MACHINE(qdev_get_machine()); + if (nb_numa_nodes) { int i; for (i = 0; i < nb_numa_nodes; ++i) { if (numa_info[i].node_mem) { - return MIN(pow2floor(numa_info[i].node_mem), ram_size); + return MIN(pow2floor(numa_info[i].node_mem), + machine->ram_size); } } } - return ram_size; + return machine->ram_size; } #define _FDT(exp) \ @@ -319,18 +315,13 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, uint32_t epow_irq) { void *fdt; - CPUState *cs; uint32_t start_prop = cpu_to_be32(initrd_base); uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); GString *hypertas = g_string_sized_new(256); GString *qemu_hypertas = g_string_sized_new(256); uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; - uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; - int smt = kvmppc_smt_threads(); + uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(max_cpus)}; unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; - QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); - unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; - uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; char *buf; add_str(hypertas, "hcall-pft"); @@ -416,107 +407,6 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, _FDT((fdt_end_node(fdt))); - /* cpus */ - _FDT((fdt_begin_node(fdt, "cpus"))); - - _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); - _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); - - CPU_FOREACH(cs) { - PowerPCCPU *cpu = POWERPC_CPU(cs); - CPUPPCState *env = &cpu->env; - DeviceClass *dc = DEVICE_GET_CLASS(cs); - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); - int index = ppc_get_vcpu_dt_id(cpu); - char *nodename; - uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), - 0xffffffff, 0xffffffff}; - uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; - uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; - uint32_t page_sizes_prop[64]; - size_t page_sizes_prop_size; - - if ((index % smt) != 0) { - continue; - } - - nodename = g_strdup_printf("%s@%x", dc->fw_name, index); - - _FDT((fdt_begin_node(fdt, nodename))); - - g_free(nodename); - - _FDT((fdt_property_cell(fdt, "reg", index))); - _FDT((fdt_property_string(fdt, "device_type", "cpu"))); - - _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); - _FDT((fdt_property_cell(fdt, "d-cache-block-size", - env->dcache_line_size))); - _FDT((fdt_property_cell(fdt, "d-cache-line-size", - env->dcache_line_size))); - _FDT((fdt_property_cell(fdt, "i-cache-block-size", - env->icache_line_size))); - _FDT((fdt_property_cell(fdt, "i-cache-line-size", - env->icache_line_size))); - - if (pcc->l1_dcache_size) { - _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); - } else { - fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); - } - if (pcc->l1_icache_size) { - _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); - } else { - fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); - } - - _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); - _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); - _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); - _FDT((fdt_property_string(fdt, "status", "okay"))); - _FDT((fdt_property(fdt, "64-bit", NULL, 0))); - - if (env->spr_cb[SPR_PURR].oea_read) { - _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); - } - - if (env->mmu_model & POWERPC_MMU_1TSEG) { - _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", - segs, sizeof(segs)))); - } - - /* Advertise VMX/VSX (vector extensions) if available - * 0 / no property == no vector extensions - * 1 == VMX / Altivec available - * 2 == VSX available */ - if (env->insns_flags & PPC_ALTIVEC) { - uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; - - _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); - } - - /* Advertise DFP (Decimal Floating Point) if available - * 0 / no property == no DFP - * 1 == DFP available */ - if (env->insns_flags2 & PPC2_DFP) { - _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); - } - - page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, - sizeof(page_sizes_prop)); - if (page_sizes_prop_size) { - _FDT((fdt_property(fdt, "ibm,segment-page-sizes", - page_sizes_prop, page_sizes_prop_size))); - } - - _FDT((fdt_property_cell(fdt, "ibm,chip-id", - cs->cpu_index / cpus_per_socket))); - - _FDT((fdt_end_node(fdt))); - } - - _FDT((fdt_end_node(fdt))); - /* RTAS */ _FDT((fdt_begin_node(fdt, "rtas"))); @@ -605,7 +495,8 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, return fdt; } -int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) +int spapr_h_cas_compose_response(sPAPRMachineState *spapr, + target_ulong addr, target_ulong size) { void *fdt, *fdt_skel; sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; @@ -666,8 +557,9 @@ static void spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start, sizeof(associativity)))); } -static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) +static int spapr_populate_memory(sPAPRMachineState *spapr, void *fdt) { + MachineState *machine = MACHINE(spapr); hwaddr mem_start, node_size; int i, nb_nodes = nb_numa_nodes; NodeInfo *nodes = numa_info; @@ -676,7 +568,7 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) /* No NUMA nodes, assume there is just one node with whole RAM */ if (!nb_numa_nodes) { nb_nodes = 1; - ramnode.node_mem = ram_size; + ramnode.node_mem = machine->ram_size; nodes = &ramnode; } @@ -684,12 +576,12 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) if (!nodes[i].node_mem) { continue; } - if (mem_start >= ram_size) { + if (mem_start >= machine->ram_size) { node_size = 0; } else { node_size = nodes[i].node_mem; - if (node_size > ram_size - mem_start) { - node_size = ram_size - mem_start; + if (node_size > machine->ram_size - mem_start) { + node_size = machine->ram_size - mem_start; } } if (!mem_start) { @@ -715,7 +607,138 @@ static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) return 0; } -static void spapr_finalize_fdt(sPAPREnvironment *spapr, +static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, + sPAPRMachineState *spapr) +{ + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); + int index = ppc_get_vcpu_dt_id(cpu); + uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), + 0xffffffff, 0xffffffff}; + uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; + uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; + uint32_t page_sizes_prop[64]; + size_t page_sizes_prop_size; + QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); + unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; + uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; + uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; + + _FDT((fdt_setprop_cell(fdt, offset, "reg", index))); + _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); + + _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); + _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", + env->dcache_line_size))); + _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", + env->dcache_line_size))); + _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", + env->icache_line_size))); + _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", + env->icache_line_size))); + + if (pcc->l1_dcache_size) { + _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", + pcc->l1_dcache_size))); + } else { + fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); + } + if (pcc->l1_icache_size) { + _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", + pcc->l1_icache_size))); + } else { + fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); + } + + _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); + _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); + _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", env->slb_nr))); + _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) { + _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); + } + + if (env->mmu_model & POWERPC_MMU_1TSEG) { + _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", + segs, sizeof(segs)))); + } + + /* Advertise VMX/VSX (vector extensions) if available + * 0 / no property == no vector extensions + * 1 == VMX / Altivec available + * 2 == VSX available */ + if (env->insns_flags & PPC_ALTIVEC) { + uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; + + _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); + } + + /* Advertise DFP (Decimal Floating Point) if available + * 0 / no property == no DFP + * 1 == DFP available */ + if (env->insns_flags2 & PPC2_DFP) { + _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); + } + + page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, + sizeof(page_sizes_prop)); + if (page_sizes_prop_size) { + _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", + page_sizes_prop, page_sizes_prop_size))); + } + + _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", + cs->cpu_index / cpus_per_socket))); + + _FDT((fdt_setprop(fdt, offset, "ibm,pft-size", + pft_size_prop, sizeof(pft_size_prop)))); + + _FDT(spapr_fixup_cpu_numa_dt(fdt, offset, cs)); + + _FDT(spapr_fixup_cpu_smt_dt(fdt, offset, cpu, + ppc_get_compat_smt_threads(cpu))); +} + +static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr) +{ + CPUState *cs; + int cpus_offset; + char *nodename; + int smt = kvmppc_smt_threads(); + + cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); + _FDT(cpus_offset); + _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); + _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); + + /* + * We walk the CPUs in reverse order to ensure that CPU DT nodes + * created by fdt_add_subnode() end up in the right order in FDT + * for the guest kernel the enumerate the CPUs correctly. + */ + CPU_FOREACH_REVERSE(cs) { + PowerPCCPU *cpu = POWERPC_CPU(cs); + int index = ppc_get_vcpu_dt_id(cpu); + DeviceClass *dc = DEVICE_GET_CLASS(cs); + int offset; + + if ((index % smt) != 0) { + continue; + } + + nodename = g_strdup_printf("%s@%x", dc->fw_name, index); + offset = fdt_add_subnode(fdt, cpus_offset, nodename); + g_free(nodename); + _FDT(offset); + spapr_populate_cpu_dt(cs, fdt, offset, spapr); + } + +} + +static void spapr_finalize_fdt(sPAPRMachineState *spapr, hwaddr fdt_addr, hwaddr rtas_addr, hwaddr rtas_size) @@ -760,11 +783,8 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); } - /* Advertise NUMA via ibm,associativity */ - ret = spapr_fixup_cpu_dt(fdt, spapr); - if (ret < 0) { - fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); - } + /* cpus */ + spapr_populate_cpus_dt_node(fdt, spapr); bootlist = get_boot_devices_list(&cb, true); if (cb && bootlist) { @@ -831,7 +851,7 @@ static void emulate_spapr_hypercall(PowerPCCPU *cpu) #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) -static void spapr_reset_htab(sPAPREnvironment *spapr) +static void spapr_reset_htab(sPAPRMachineState *spapr) { long shift; int index; @@ -893,7 +913,7 @@ static int find_unknown_sysbus_device(SysBusDevice *sbdev, void *opaque) * A guest reset will cause spapr->htab_fd to become stale if being used. * Reopen the file descriptor to make sure the whole HTAB is properly read. */ -static int spapr_check_htab_fd(sPAPREnvironment *spapr) +static int spapr_check_htab_fd(sPAPRMachineState *spapr) { int rc = 0; @@ -913,6 +933,7 @@ static int spapr_check_htab_fd(sPAPREnvironment *spapr) static void ppc_spapr_reset(void) { + sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); PowerPCCPU *first_ppc_cpu; uint32_t rtas_limit; @@ -946,12 +967,13 @@ static void ppc_spapr_reset(void) first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; first_ppc_cpu->env.gpr[5] = 0; first_cpu->halted = 0; - first_ppc_cpu->env.nip = spapr->entry_point; + first_ppc_cpu->env.nip = SPAPR_ENTRY_POINT; } static void spapr_cpu_reset(void *opaque) { + sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); PowerPCCPU *cpu = opaque; CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; @@ -980,12 +1002,12 @@ static void spapr_cpu_reset(void *opaque) * We have 8 hpte per group, and each hpte is 16 bytes. * ie have 128 bytes per hpte entry. */ - env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; + env->htab_mask = (1ULL << (spapr->htab_shift - 7)) - 1; env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | (spapr->htab_shift - 18); } -static void spapr_create_nvram(sPAPREnvironment *spapr) +static void spapr_create_nvram(sPAPRMachineState *spapr) { DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); @@ -999,7 +1021,7 @@ static void spapr_create_nvram(sPAPREnvironment *spapr) spapr->nvram = (struct sPAPRNVRAM *)dev; } -static void spapr_rtc_create(sPAPREnvironment *spapr) +static void spapr_rtc_create(sPAPRMachineState *spapr) { DeviceState *dev = qdev_create(NULL, TYPE_SPAPR_RTC); @@ -1029,7 +1051,7 @@ static int spapr_vga_init(PCIBus *pci_bus) static int spapr_post_load(void *opaque, int version_id) { - sPAPREnvironment *spapr = (sPAPREnvironment *)opaque; + sPAPRMachineState *spapr = (sPAPRMachineState *)opaque; int err = 0; /* In earlier versions, there was no separate qdev for the PAPR @@ -1058,16 +1080,16 @@ static const VMStateDescription vmstate_spapr = { VMSTATE_UNUSED_BUFFER(version_before_3, 0, 4), /* RTC offset */ - VMSTATE_UINT64_TEST(rtc_offset, sPAPREnvironment, version_before_3), + VMSTATE_UINT64_TEST(rtc_offset, sPAPRMachineState, version_before_3), - VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), + VMSTATE_PPC_TIMEBASE_V(tb, sPAPRMachineState, 2), VMSTATE_END_OF_LIST() }, }; static int htab_save_setup(QEMUFile *f, void *opaque) { - sPAPREnvironment *spapr = opaque; + sPAPRMachineState *spapr = opaque; /* "Iteration" header */ qemu_put_be32(f, spapr->htab_shift); @@ -1091,7 +1113,7 @@ static int htab_save_setup(QEMUFile *f, void *opaque) return 0; } -static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, +static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr, int64_t max_ns) { int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; @@ -1141,7 +1163,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, spapr->htab_save_index = index; } -static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, +static int htab_save_later_pass(QEMUFile *f, sPAPRMachineState *spapr, int64_t max_ns) { bool final = max_ns < 0; @@ -1223,7 +1245,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, static int htab_save_iterate(QEMUFile *f, void *opaque) { - sPAPREnvironment *spapr = opaque; + sPAPRMachineState *spapr = opaque; int rc = 0; /* Iteration header */ @@ -1258,7 +1280,7 @@ static int htab_save_iterate(QEMUFile *f, void *opaque) static int htab_save_complete(QEMUFile *f, void *opaque) { - sPAPREnvironment *spapr = opaque; + sPAPRMachineState *spapr = opaque; /* Iteration header */ qemu_put_be32(f, 0); @@ -1293,7 +1315,7 @@ static int htab_save_complete(QEMUFile *f, void *opaque) static int htab_load(QEMUFile *f, void *opaque, int version_id) { - sPAPREnvironment *spapr = opaque; + sPAPRMachineState *spapr = opaque; uint32_t section_hdr; int fd = -1; @@ -1387,16 +1409,42 @@ static void spapr_boot_set(void *opaque, const char *boot_device, machine->boot_order = g_strdup(boot_device); } +static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu) +{ + CPUPPCState *env = &cpu->env; + + /* Set time-base frequency to 512 MHz */ + cpu_ppc_tb_init(env, TIMEBASE_FREQ); + + /* PAPR always has exception vectors in RAM not ROM. To ensure this, + * MSR[IP] should never be set. + */ + env->msr_mask &= ~(1 << 6); + + /* Tell KVM that we're in PAPR mode */ + if (kvm_enabled()) { + kvmppc_set_papr(cpu); + } + + if (cpu->max_compat) { + if (ppc_set_compat(cpu, cpu->max_compat) < 0) { + exit(1); + } + } + + xics_cpu_setup(spapr->icp, cpu); + + qemu_register_reset(spapr_cpu_reset, cpu); +} + /* pSeries LPAR / sPAPR hardware init */ static void ppc_spapr_init(MachineState *machine) { - ram_addr_t ram_size = machine->ram_size; - const char *cpu_model = machine->cpu_model; + sPAPRMachineState *spapr = SPAPR_MACHINE(machine); const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; PowerPCCPU *cpu; - CPUPPCState *env; PCIHostState *phb; int i; MemoryRegion *sysmem = get_system_memory(); @@ -1413,7 +1461,6 @@ static void ppc_spapr_init(MachineState *machine) msi_supported = true; - spapr = g_malloc0(sizeof(*spapr)); QLIST_INIT(&spapr->phbs); cpu_ppc_hypercall = emulate_spapr_hypercall; @@ -1460,7 +1507,7 @@ static void ppc_spapr_init(MachineState *machine) * more than needed for the Linux guests we support. */ spapr->htab_shift = 18; /* Minimum architected size */ while (spapr->htab_shift <= 46) { - if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { + if ((1ULL << (spapr->htab_shift + 7)) >= machine->ram_size) { break; } spapr->htab_shift++; @@ -1468,43 +1515,21 @@ static void ppc_spapr_init(MachineState *machine) /* Set up Interrupt Controller before we create the VCPUs */ spapr->icp = xics_system_init(machine, - smp_cpus * kvmppc_smt_threads() / smp_threads, + DIV_ROUND_UP(max_cpus * kvmppc_smt_threads(), + smp_threads), XICS_IRQS); /* init CPUs */ - if (cpu_model == NULL) { - cpu_model = kvm_enabled() ? "host" : "POWER7"; + if (machine->cpu_model == NULL) { + machine->cpu_model = kvm_enabled() ? "host" : "POWER7"; } for (i = 0; i < smp_cpus; i++) { - cpu = cpu_ppc_init(cpu_model); + cpu = cpu_ppc_init(machine->cpu_model); if (cpu == NULL) { fprintf(stderr, "Unable to find PowerPC CPU definition\n"); exit(1); } - env = &cpu->env; - - /* Set time-base frequency to 512 MHz */ - cpu_ppc_tb_init(env, TIMEBASE_FREQ); - - /* PAPR always has exception vectors in RAM not ROM. To ensure this, - * MSR[IP] should never be set. - */ - env->msr_mask &= ~(1 << 6); - - /* Tell KVM that we're in PAPR mode */ - if (kvm_enabled()) { - kvmppc_set_papr(cpu); - } - - if (cpu->max_compat) { - if (ppc_set_compat(cpu, cpu->max_compat) < 0) { - exit(1); - } - } - - xics_cpu_setup(spapr->icp, cpu); - - qemu_register_reset(spapr_cpu_reset, cpu); + spapr_cpu_init(spapr, cpu); } if (kvm_enabled()) { @@ -1513,9 +1538,8 @@ static void ppc_spapr_init(MachineState *machine) } /* allocate RAM */ - spapr->ram_limit = ram_size; memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram", - spapr->ram_limit); + machine->ram_size); memory_region_add_subregion(sysmem, 0, ram); if (rma_alloc_size && rma) { @@ -1659,8 +1683,9 @@ static void ppc_spapr_init(MachineState *machine) } g_free(filename); - spapr->entry_point = 0x100; - + /* FIXME: Should register things through the MachineState's qdev + * interface, this is a legacy from the sPAPREnvironment structure + * which predated MachineState but had a similar function */ vmstate_register(NULL, 0, &vmstate_spapr, spapr); register_savevm_live(NULL, "spapr/htab", -1, 1, &savevm_htab_handlers, spapr); @@ -1756,17 +1781,17 @@ static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, static char *spapr_get_kvm_type(Object *obj, Error **errp) { - sPAPRMachineState *sm = SPAPR_MACHINE(obj); + sPAPRMachineState *spapr = SPAPR_MACHINE(obj); - return g_strdup(sm->kvm_type); + return g_strdup(spapr->kvm_type); } static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) { - sPAPRMachineState *sm = SPAPR_MACHINE(obj); + sPAPRMachineState *spapr = SPAPR_MACHINE(obj); - g_free(sm->kvm_type); - sm->kvm_type = g_strdup(value); + g_free(spapr->kvm_type); + spapr->kvm_type = g_strdup(value); } static void spapr_machine_initfn(Object *obj) @@ -1821,6 +1846,7 @@ static const TypeInfo spapr_machine_info = { .abstract = true, .instance_size = sizeof(sPAPRMachineState), .instance_init = spapr_machine_initfn, + .class_size = sizeof(sPAPRMachineClass), .class_init = spapr_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_FW_PATH_PROVIDER }, |