diff options
| -rw-r--r-- | hw/ppc/spapr.c | 512 |
1 files changed, 257 insertions, 255 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 2f9a65b414..5e938833f3 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -341,257 +341,6 @@ static int spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start, return off; } -static int spapr_populate_memory(SpaprMachineState *spapr, void *fdt) -{ - MachineState *machine = MACHINE(spapr); - hwaddr mem_start, node_size; - int i, nb_nodes = machine->numa_state->num_nodes; - NodeInfo *nodes = machine->numa_state->nodes; - - for (i = 0, mem_start = 0; i < nb_nodes; ++i) { - if (!nodes[i].node_mem) { - continue; - } - if (mem_start >= machine->ram_size) { - node_size = 0; - } else { - node_size = nodes[i].node_mem; - if (node_size > machine->ram_size - mem_start) { - node_size = machine->ram_size - mem_start; - } - } - if (!mem_start) { - /* spapr_machine_init() checks for rma_size <= node0_size - * already */ - spapr_populate_memory_node(fdt, i, 0, spapr->rma_size); - mem_start += spapr->rma_size; - node_size -= spapr->rma_size; - } - for ( ; node_size; ) { - hwaddr sizetmp = pow2floor(node_size); - - /* mem_start != 0 here */ - if (ctzl(mem_start) < ctzl(sizetmp)) { - sizetmp = 1ULL << ctzl(mem_start); - } - - spapr_populate_memory_node(fdt, i, mem_start, sizetmp); - node_size -= sizetmp; - mem_start += sizetmp; - } - } - - return 0; -} - -static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, - SpaprMachineState *spapr) -{ - MachineState *ms = MACHINE(spapr); - PowerPCCPU *cpu = POWERPC_CPU(cs); - CPUPPCState *env = &cpu->env; - PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); - int index = spapr_get_vcpu_id(cpu); - uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), - 0xffffffff, 0xffffffff}; - uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() - : SPAPR_TIMEBASE_FREQ; - uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; - uint32_t page_sizes_prop[64]; - size_t page_sizes_prop_size; - unsigned int smp_threads = ms->smp.threads; - uint32_t vcpus_per_socket = smp_threads * ms->smp.cores; - uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; - int compat_smt = MIN(smp_threads, ppc_compat_max_vthreads(cpu)); - SpaprDrc *drc; - int drc_index; - uint32_t radix_AP_encodings[PPC_PAGE_SIZES_MAX_SZ]; - int i; - - drc = spapr_drc_by_id(TYPE_SPAPR_DRC_CPU, index); - if (drc) { - drc_index = spapr_drc_index(drc); - _FDT((fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index))); - } - - _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 { - warn_report("Unknown L1 dcache size for cpu"); - } - if (pcc->l1_icache_size) { - _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", - pcc->l1_icache_size))); - } else { - warn_report("Unknown L1 icache size for cpu"); - } - - _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); - _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); - _FDT((fdt_setprop_cell(fdt, offset, "slb-size", cpu->hash64_opts->slb_size))); - _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size))); - _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_cell(fdt, offset, "ibm,purr", 1))); - } - if (env->spr_cb[SPR_SPURR].oea_read) { - _FDT((fdt_setprop_cell(fdt, offset, "ibm,spurr", 1))); - } - - if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { - _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", - segs, sizeof(segs)))); - } - - /* Advertise VSX (vector extensions) if available - * 1 == VMX / Altivec available - * 2 == VSX available - * - * Only CPUs for which we create core types in spapr_cpu_core.c - * are possible, and all of those have VMX */ - if (spapr_get_cap(spapr, SPAPR_CAP_VSX) != 0) { - _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 2))); - } else { - _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 1))); - } - - /* Advertise DFP (Decimal Floating Point) if available - * 0 / no property == no DFP - * 1 == DFP available */ - if (spapr_get_cap(spapr, SPAPR_CAP_DFP) != 0) { - _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); - } - - page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, 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))); - } - - spapr_populate_pa_features(spapr, cpu, fdt, offset); - - _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", - cs->cpu_index / vcpus_per_socket))); - - _FDT((fdt_setprop(fdt, offset, "ibm,pft-size", - pft_size_prop, sizeof(pft_size_prop)))); - - if (ms->numa_state->num_nodes > 1) { - _FDT(spapr_fixup_cpu_numa_dt(fdt, offset, cpu)); - } - - _FDT(spapr_fixup_cpu_smt_dt(fdt, offset, cpu, compat_smt)); - - if (pcc->radix_page_info) { - for (i = 0; i < pcc->radix_page_info->count; i++) { - radix_AP_encodings[i] = - cpu_to_be32(pcc->radix_page_info->entries[i]); - } - _FDT((fdt_setprop(fdt, offset, "ibm,processor-radix-AP-encodings", - radix_AP_encodings, - pcc->radix_page_info->count * - sizeof(radix_AP_encodings[0])))); - } - - /* - * We set this property to let the guest know that it can use the large - * decrementer and its width in bits. - */ - if (spapr_get_cap(spapr, SPAPR_CAP_LARGE_DECREMENTER) != SPAPR_CAP_OFF) - _FDT((fdt_setprop_u32(fdt, offset, "ibm,dec-bits", - pcc->lrg_decr_bits))); -} - -static void spapr_populate_cpus_dt_node(void *fdt, SpaprMachineState *spapr) -{ - CPUState **rev; - CPUState *cs; - int n_cpus; - int cpus_offset; - char *nodename; - int i; - - 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. - * - * The CPU list cannot be traversed in reverse order, so we need - * to do extra work. - */ - n_cpus = 0; - rev = NULL; - CPU_FOREACH(cs) { - rev = g_renew(CPUState *, rev, n_cpus + 1); - rev[n_cpus++] = cs; - } - - for (i = n_cpus - 1; i >= 0; i--) { - CPUState *cs = rev[i]; - PowerPCCPU *cpu = POWERPC_CPU(cs); - int index = spapr_get_vcpu_id(cpu); - DeviceClass *dc = DEVICE_GET_CLASS(cs); - int offset; - - if (!spapr_is_thread0_in_vcore(spapr, cpu)) { - 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); - } - - g_free(rev); -} - -static int spapr_rng_populate_dt(void *fdt) -{ - int node; - int ret; - - node = qemu_fdt_add_subnode(fdt, "/ibm,platform-facilities"); - if (node <= 0) { - return -1; - } - ret = fdt_setprop_string(fdt, node, "device_type", - "ibm,platform-facilities"); - ret |= fdt_setprop_cell(fdt, node, "#address-cells", 0x1); - ret |= fdt_setprop_cell(fdt, node, "#size-cells", 0x0); - - node = fdt_add_subnode(fdt, node, "ibm,random-v1"); - if (node <= 0) { - return -1; - } - ret |= fdt_setprop_string(fdt, node, "compatible", "ibm,random"); - - return ret ? -1 : 0; -} - static uint32_t spapr_pc_dimm_node(MemoryDeviceInfoList *list, ram_addr_t addr) { MemoryDeviceInfoList *info; @@ -877,14 +626,51 @@ static int spapr_populate_drconf_memory(SpaprMachineState *spapr, void *fdt) return ret; } -static int spapr_dt_cas_updates(SpaprMachineState *spapr, void *fdt, - SpaprOptionVector *ov5_updates) +static int spapr_populate_memory(SpaprMachineState *spapr, void *fdt) { + MachineState *machine = MACHINE(spapr); SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); - int ret = 0, offset; + hwaddr mem_start, node_size; + int i, nb_nodes = machine->numa_state->num_nodes; + NodeInfo *nodes = machine->numa_state->nodes; + + for (i = 0, mem_start = 0; i < nb_nodes; ++i) { + if (!nodes[i].node_mem) { + continue; + } + if (mem_start >= machine->ram_size) { + node_size = 0; + } else { + node_size = nodes[i].node_mem; + if (node_size > machine->ram_size - mem_start) { + node_size = machine->ram_size - mem_start; + } + } + if (!mem_start) { + /* spapr_machine_init() checks for rma_size <= node0_size + * already */ + spapr_populate_memory_node(fdt, i, 0, spapr->rma_size); + mem_start += spapr->rma_size; + node_size -= spapr->rma_size; + } + for ( ; node_size; ) { + hwaddr sizetmp = pow2floor(node_size); + + /* mem_start != 0 here */ + if (ctzl(mem_start) < ctzl(sizetmp)) { + sizetmp = 1ULL << ctzl(mem_start); + } + + spapr_populate_memory_node(fdt, i, mem_start, sizetmp); + node_size -= sizetmp; + mem_start += sizetmp; + } + } /* Generate ibm,dynamic-reconfiguration-memory node if required */ - if (spapr_ovec_test(ov5_updates, OV5_DRCONF_MEMORY)) { + if (spapr_ovec_test(spapr->ov5_cas, OV5_DRCONF_MEMORY)) { + int ret; + g_assert(smc->dr_lmb_enabled); ret = spapr_populate_drconf_memory(spapr, fdt); if (ret) { @@ -892,6 +678,222 @@ static int spapr_dt_cas_updates(SpaprMachineState *spapr, void *fdt, } } + return 0; +} + +static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, + SpaprMachineState *spapr) +{ + MachineState *ms = MACHINE(spapr); + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); + int index = spapr_get_vcpu_id(cpu); + uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), + 0xffffffff, 0xffffffff}; + uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() + : SPAPR_TIMEBASE_FREQ; + uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; + uint32_t page_sizes_prop[64]; + size_t page_sizes_prop_size; + unsigned int smp_threads = ms->smp.threads; + uint32_t vcpus_per_socket = smp_threads * ms->smp.cores; + uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; + int compat_smt = MIN(smp_threads, ppc_compat_max_vthreads(cpu)); + SpaprDrc *drc; + int drc_index; + uint32_t radix_AP_encodings[PPC_PAGE_SIZES_MAX_SZ]; + int i; + + drc = spapr_drc_by_id(TYPE_SPAPR_DRC_CPU, index); + if (drc) { + drc_index = spapr_drc_index(drc); + _FDT((fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index))); + } + + _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 { + warn_report("Unknown L1 dcache size for cpu"); + } + if (pcc->l1_icache_size) { + _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", + pcc->l1_icache_size))); + } else { + warn_report("Unknown L1 icache size for cpu"); + } + + _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); + _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); + _FDT((fdt_setprop_cell(fdt, offset, "slb-size", cpu->hash64_opts->slb_size))); + _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size))); + _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_cell(fdt, offset, "ibm,purr", 1))); + } + if (env->spr_cb[SPR_SPURR].oea_read) { + _FDT((fdt_setprop_cell(fdt, offset, "ibm,spurr", 1))); + } + + if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { + _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", + segs, sizeof(segs)))); + } + + /* Advertise VSX (vector extensions) if available + * 1 == VMX / Altivec available + * 2 == VSX available + * + * Only CPUs for which we create core types in spapr_cpu_core.c + * are possible, and all of those have VMX */ + if (spapr_get_cap(spapr, SPAPR_CAP_VSX) != 0) { + _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 2))); + } else { + _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", 1))); + } + + /* Advertise DFP (Decimal Floating Point) if available + * 0 / no property == no DFP + * 1 == DFP available */ + if (spapr_get_cap(spapr, SPAPR_CAP_DFP) != 0) { + _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); + } + + page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, 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))); + } + + spapr_populate_pa_features(spapr, cpu, fdt, offset); + + _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", + cs->cpu_index / vcpus_per_socket))); + + _FDT((fdt_setprop(fdt, offset, "ibm,pft-size", + pft_size_prop, sizeof(pft_size_prop)))); + + if (ms->numa_state->num_nodes > 1) { + _FDT(spapr_fixup_cpu_numa_dt(fdt, offset, cpu)); + } + + _FDT(spapr_fixup_cpu_smt_dt(fdt, offset, cpu, compat_smt)); + + if (pcc->radix_page_info) { + for (i = 0; i < pcc->radix_page_info->count; i++) { + radix_AP_encodings[i] = + cpu_to_be32(pcc->radix_page_info->entries[i]); + } + _FDT((fdt_setprop(fdt, offset, "ibm,processor-radix-AP-encodings", + radix_AP_encodings, + pcc->radix_page_info->count * + sizeof(radix_AP_encodings[0])))); + } + + /* + * We set this property to let the guest know that it can use the large + * decrementer and its width in bits. + */ + if (spapr_get_cap(spapr, SPAPR_CAP_LARGE_DECREMENTER) != SPAPR_CAP_OFF) + _FDT((fdt_setprop_u32(fdt, offset, "ibm,dec-bits", + pcc->lrg_decr_bits))); +} + +static void spapr_populate_cpus_dt_node(void *fdt, SpaprMachineState *spapr) +{ + CPUState **rev; + CPUState *cs; + int n_cpus; + int cpus_offset; + char *nodename; + int i; + + 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. + * + * The CPU list cannot be traversed in reverse order, so we need + * to do extra work. + */ + n_cpus = 0; + rev = NULL; + CPU_FOREACH(cs) { + rev = g_renew(CPUState *, rev, n_cpus + 1); + rev[n_cpus++] = cs; + } + + for (i = n_cpus - 1; i >= 0; i--) { + CPUState *cs = rev[i]; + PowerPCCPU *cpu = POWERPC_CPU(cs); + int index = spapr_get_vcpu_id(cpu); + DeviceClass *dc = DEVICE_GET_CLASS(cs); + int offset; + + if (!spapr_is_thread0_in_vcore(spapr, cpu)) { + 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); + } + + g_free(rev); +} + +static int spapr_rng_populate_dt(void *fdt) +{ + int node; + int ret; + + node = qemu_fdt_add_subnode(fdt, "/ibm,platform-facilities"); + if (node <= 0) { + return -1; + } + ret = fdt_setprop_string(fdt, node, "device_type", + "ibm,platform-facilities"); + ret |= fdt_setprop_cell(fdt, node, "#address-cells", 0x1); + ret |= fdt_setprop_cell(fdt, node, "#size-cells", 0x0); + + node = fdt_add_subnode(fdt, node, "ibm,random-v1"); + if (node <= 0) { + return -1; + } + ret |= fdt_setprop_string(fdt, node, "compatible", "ibm,random"); + + return ret ? -1 : 0; +} + +static int spapr_dt_cas_updates(SpaprMachineState *spapr, void *fdt, + SpaprOptionVector *ov5_updates) +{ + int offset; + offset = fdt_path_offset(fdt, "/chosen"); if (offset < 0) { offset = fdt_add_subnode(fdt, 0, "chosen"); |