153018216SPaolo Bonzini /* 253018216SPaolo Bonzini * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator 353018216SPaolo Bonzini * 453018216SPaolo Bonzini * Copyright (c) 2004-2007 Fabrice Bellard 553018216SPaolo Bonzini * Copyright (c) 2007 Jocelyn Mayer 653018216SPaolo Bonzini * Copyright (c) 2010 David Gibson, IBM Corporation. 753018216SPaolo Bonzini * 853018216SPaolo Bonzini * Permission is hereby granted, free of charge, to any person obtaining a copy 953018216SPaolo Bonzini * of this software and associated documentation files (the "Software"), to deal 1053018216SPaolo Bonzini * in the Software without restriction, including without limitation the rights 1153018216SPaolo Bonzini * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 1253018216SPaolo Bonzini * copies of the Software, and to permit persons to whom the Software is 1353018216SPaolo Bonzini * furnished to do so, subject to the following conditions: 1453018216SPaolo Bonzini * 1553018216SPaolo Bonzini * The above copyright notice and this permission notice shall be included in 1653018216SPaolo Bonzini * all copies or substantial portions of the Software. 1753018216SPaolo Bonzini * 1853018216SPaolo Bonzini * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1953018216SPaolo Bonzini * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 2053018216SPaolo Bonzini * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2153018216SPaolo Bonzini * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2253018216SPaolo Bonzini * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 2353018216SPaolo Bonzini * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 2453018216SPaolo Bonzini * THE SOFTWARE. 2553018216SPaolo Bonzini * 2653018216SPaolo Bonzini */ 270d75590dSPeter Maydell #include "qemu/osdep.h" 28da34e65cSMarkus Armbruster #include "qapi/error.h" 2953018216SPaolo Bonzini #include "sysemu/sysemu.h" 30e35704baSEduardo Habkost #include "sysemu/numa.h" 3153018216SPaolo Bonzini #include "hw/hw.h" 3203dd024fSPaolo Bonzini #include "qemu/log.h" 3371461b0fSAlexey Kardashevskiy #include "hw/fw-path-provider.h" 3453018216SPaolo Bonzini #include "elf.h" 3553018216SPaolo Bonzini #include "net/net.h" 36ad440b4aSAndrew Jones #include "sysemu/device_tree.h" 37fa1d36dfSMarkus Armbruster #include "sysemu/block-backend.h" 3853018216SPaolo Bonzini #include "sysemu/cpus.h" 39b3946626SVincent Palatin #include "sysemu/hw_accel.h" 4053018216SPaolo Bonzini #include "kvm_ppc.h" 41ff14e817SDr. David Alan Gilbert #include "migration/migration.h" 424be21d56SDavid Gibson #include "mmu-hash64.h" 433794d548SAlexey Kardashevskiy #include "qom/cpu.h" 4453018216SPaolo Bonzini 4553018216SPaolo Bonzini #include "hw/boards.h" 460d09e41aSPaolo Bonzini #include "hw/ppc/ppc.h" 4753018216SPaolo Bonzini #include "hw/loader.h" 4853018216SPaolo Bonzini 497804c353SCédric Le Goater #include "hw/ppc/fdt.h" 500d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 510d09e41aSPaolo Bonzini #include "hw/ppc/spapr_vio.h" 520d09e41aSPaolo Bonzini #include "hw/pci-host/spapr.h" 530d09e41aSPaolo Bonzini #include "hw/ppc/xics.h" 5453018216SPaolo Bonzini #include "hw/pci/msi.h" 5553018216SPaolo Bonzini 5653018216SPaolo Bonzini #include "hw/pci/pci.h" 5771461b0fSAlexey Kardashevskiy #include "hw/scsi/scsi.h" 5871461b0fSAlexey Kardashevskiy #include "hw/virtio/virtio-scsi.h" 5953018216SPaolo Bonzini 6053018216SPaolo Bonzini #include "exec/address-spaces.h" 6153018216SPaolo Bonzini #include "hw/usb.h" 6253018216SPaolo Bonzini #include "qemu/config-file.h" 63135a129aSAneesh Kumar K.V #include "qemu/error-report.h" 642a6593cbSAlexey Kardashevskiy #include "trace.h" 6534316482SAlexey Kardashevskiy #include "hw/nmi.h" 6653018216SPaolo Bonzini 6768a27b20SMichael S. Tsirkin #include "hw/compat.h" 68f348b6d1SVeronia Bahaa #include "qemu/cutils.h" 6994a94e4cSBharata B Rao #include "hw/ppc/spapr_cpu_core.h" 702474bfd4SIgor Mammedov #include "qmp-commands.h" 7168a27b20SMichael S. Tsirkin 7253018216SPaolo Bonzini #include <libfdt.h> 7353018216SPaolo Bonzini 7453018216SPaolo Bonzini /* SLOF memory layout: 7553018216SPaolo Bonzini * 7653018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 7753018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 7853018216SPaolo Bonzini * 7953018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 8053018216SPaolo Bonzini * and more 8153018216SPaolo Bonzini * 8253018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 8353018216SPaolo Bonzini */ 8438b02bd8SAlexey Kardashevskiy #define FDT_MAX_SIZE 0x100000 8553018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 86b7d1f77aSBenjamin Herrenschmidt #define RTAS_MAX_ADDR 0x80000000 /* RTAS must stay below that */ 8753018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 8853018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 8953018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 9053018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 9153018216SPaolo Bonzini 9253018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 9353018216SPaolo Bonzini 9453018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 9553018216SPaolo Bonzini 9653018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 9753018216SPaolo Bonzini 98681bfadeSCédric Le Goater static XICSState *try_create_xics(sPAPRMachineState *spapr, 99681bfadeSCédric Le Goater const char *type, const char *type_ics, 100817bb6a4SCédric Le Goater const char *type_icp, int nr_servers, 101817bb6a4SCédric Le Goater int nr_irqs, Error **errp) 102c04d6cfaSAnthony Liguori { 1032cd908d0SCédric Le Goater XICSFabric *xi = XICS_FABRIC(spapr); 1044e4169f7SCédric Le Goater Error *err = NULL, *local_err = NULL; 1054e4169f7SCédric Le Goater XICSState *xics; 1064e4169f7SCédric Le Goater ICSState *ics = NULL; 107817bb6a4SCédric Le Goater int i; 108c04d6cfaSAnthony Liguori 1094e4169f7SCédric Le Goater xics = XICS_COMMON(object_new(type)); 1104e4169f7SCédric Le Goater qdev_set_parent_bus(DEVICE(xics), sysbus_get_default()); 111817bb6a4SCédric Le Goater object_property_set_bool(OBJECT(xics), true, "realized", &err); 11234f2af3dSMarkus Armbruster if (err) { 1134e4169f7SCédric Le Goater goto error; 114c04d6cfaSAnthony Liguori } 1154e4169f7SCédric Le Goater 1164e4169f7SCédric Le Goater ics = ICS_SIMPLE(object_new(type_ics)); 117c79b2fddSCédric Le Goater qdev_set_parent_bus(DEVICE(ics), sysbus_get_default()); 118681bfadeSCédric Le Goater object_property_add_child(OBJECT(spapr), "ics", OBJECT(ics), NULL); 1194e4169f7SCédric Le Goater object_property_set_int(OBJECT(ics), nr_irqs, "nr-irqs", &err); 120b4f27d71SCédric Le Goater object_property_add_const_link(OBJECT(ics), "xics", OBJECT(xi), NULL); 1214e4169f7SCédric Le Goater object_property_set_bool(OBJECT(ics), true, "realized", &local_err); 1224e4169f7SCédric Le Goater error_propagate(&err, local_err); 1234e4169f7SCédric Le Goater if (err) { 1244e4169f7SCédric Le Goater goto error; 1254e4169f7SCédric Le Goater } 1264e4169f7SCédric Le Goater 127817bb6a4SCédric Le Goater xics->ss = g_malloc0(nr_servers * sizeof(ICPState)); 128817bb6a4SCédric Le Goater xics->nr_servers = nr_servers; 129817bb6a4SCédric Le Goater 130817bb6a4SCédric Le Goater for (i = 0; i < nr_servers; i++) { 131817bb6a4SCédric Le Goater ICPState *icp = &xics->ss[i]; 132817bb6a4SCédric Le Goater 133817bb6a4SCédric Le Goater object_initialize(icp, sizeof(*icp), type_icp); 134817bb6a4SCédric Le Goater object_property_add_child(OBJECT(xics), "icp[*]", OBJECT(icp), NULL); 1352cd908d0SCédric Le Goater object_property_add_const_link(OBJECT(icp), "xics", OBJECT(xi), NULL); 136817bb6a4SCédric Le Goater object_property_set_bool(OBJECT(icp), true, "realized", &err); 137817bb6a4SCédric Le Goater if (err) { 138817bb6a4SCédric Le Goater goto error; 139817bb6a4SCédric Le Goater } 140817bb6a4SCédric Le Goater object_unref(OBJECT(icp)); 141817bb6a4SCédric Le Goater } 142817bb6a4SCédric Le Goater 143681bfadeSCédric Le Goater spapr->ics = ics; 1444e4169f7SCédric Le Goater return xics; 1454e4169f7SCédric Le Goater 1464e4169f7SCédric Le Goater error: 1474e4169f7SCédric Le Goater error_propagate(errp, err); 1484e4169f7SCédric Le Goater if (ics) { 1494e4169f7SCédric Le Goater object_unparent(OBJECT(ics)); 1504e4169f7SCédric Le Goater } 1514e4169f7SCédric Le Goater object_unparent(OBJECT(xics)); 1524e4169f7SCédric Le Goater return NULL; 153c04d6cfaSAnthony Liguori } 154c04d6cfaSAnthony Liguori 155446f16a6SMarcel Apfelbaum static XICSState *xics_system_init(MachineState *machine, 1561e49182dSDavid Gibson int nr_servers, int nr_irqs, Error **errp) 157c04d6cfaSAnthony Liguori { 15827f24582SBenjamin Herrenschmidt XICSState *xics = NULL; 159c04d6cfaSAnthony Liguori 16011ad93f6SDavid Gibson if (kvm_enabled()) { 16134f2af3dSMarkus Armbruster Error *err = NULL; 16234f2af3dSMarkus Armbruster 163446f16a6SMarcel Apfelbaum if (machine_kernel_irqchip_allowed(machine)) { 164681bfadeSCédric Le Goater xics = try_create_xics(SPAPR_MACHINE(machine), 165681bfadeSCédric Le Goater TYPE_XICS_SPAPR_KVM, TYPE_ICS_KVM, 166817bb6a4SCédric Le Goater TYPE_KVM_ICP, nr_servers, nr_irqs, &err); 16711ad93f6SDavid Gibson } 16827f24582SBenjamin Herrenschmidt if (machine_kernel_irqchip_required(machine) && !xics) { 169b83baa60SMarkus Armbruster error_reportf_err(err, 170b83baa60SMarkus Armbruster "kernel_irqchip requested but unavailable: "); 171b83baa60SMarkus Armbruster } else { 172903a41d3SStefano Dong (董兴水) error_free(err); 17311ad93f6SDavid Gibson } 174b83baa60SMarkus Armbruster } 17511ad93f6SDavid Gibson 17627f24582SBenjamin Herrenschmidt if (!xics) { 177681bfadeSCédric Le Goater xics = try_create_xics(SPAPR_MACHINE(machine), 178681bfadeSCédric Le Goater TYPE_XICS_SPAPR, TYPE_ICS_SIMPLE, 179681bfadeSCédric Le Goater TYPE_ICP, nr_servers, nr_irqs, errp); 180c04d6cfaSAnthony Liguori } 181c04d6cfaSAnthony Liguori 18227f24582SBenjamin Herrenschmidt return xics; 183c04d6cfaSAnthony Liguori } 184c04d6cfaSAnthony Liguori 185833d4668SAlexey Kardashevskiy static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, 186833d4668SAlexey Kardashevskiy int smt_threads) 187833d4668SAlexey Kardashevskiy { 188833d4668SAlexey Kardashevskiy int i, ret = 0; 189833d4668SAlexey Kardashevskiy uint32_t servers_prop[smt_threads]; 190833d4668SAlexey Kardashevskiy uint32_t gservers_prop[smt_threads * 2]; 191833d4668SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 192833d4668SAlexey Kardashevskiy 193d6e166c0SDavid Gibson if (cpu->compat_pvr) { 194d6e166c0SDavid Gibson ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->compat_pvr); 1956d9412eaSAlexey Kardashevskiy if (ret < 0) { 1966d9412eaSAlexey Kardashevskiy return ret; 1976d9412eaSAlexey Kardashevskiy } 1986d9412eaSAlexey Kardashevskiy } 1996d9412eaSAlexey Kardashevskiy 200833d4668SAlexey Kardashevskiy /* Build interrupt servers and gservers properties */ 201833d4668SAlexey Kardashevskiy for (i = 0; i < smt_threads; i++) { 202833d4668SAlexey Kardashevskiy servers_prop[i] = cpu_to_be32(index + i); 203833d4668SAlexey Kardashevskiy /* Hack, direct the group queues back to cpu 0 */ 204833d4668SAlexey Kardashevskiy gservers_prop[i*2] = cpu_to_be32(index + i); 205833d4668SAlexey Kardashevskiy gservers_prop[i*2 + 1] = 0; 206833d4668SAlexey Kardashevskiy } 207833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 208833d4668SAlexey Kardashevskiy servers_prop, sizeof(servers_prop)); 209833d4668SAlexey Kardashevskiy if (ret < 0) { 210833d4668SAlexey Kardashevskiy return ret; 211833d4668SAlexey Kardashevskiy } 212833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", 213833d4668SAlexey Kardashevskiy gservers_prop, sizeof(gservers_prop)); 214833d4668SAlexey Kardashevskiy 215833d4668SAlexey Kardashevskiy return ret; 216833d4668SAlexey Kardashevskiy } 217833d4668SAlexey Kardashevskiy 2180da6f3feSBharata B Rao static int spapr_fixup_cpu_numa_dt(void *fdt, int offset, CPUState *cs) 2190da6f3feSBharata B Rao { 2200da6f3feSBharata B Rao int ret = 0; 2210da6f3feSBharata B Rao PowerPCCPU *cpu = POWERPC_CPU(cs); 2220da6f3feSBharata B Rao int index = ppc_get_vcpu_dt_id(cpu); 2230da6f3feSBharata B Rao uint32_t associativity[] = {cpu_to_be32(0x5), 2240da6f3feSBharata B Rao cpu_to_be32(0x0), 2250da6f3feSBharata B Rao cpu_to_be32(0x0), 2260da6f3feSBharata B Rao cpu_to_be32(0x0), 2270da6f3feSBharata B Rao cpu_to_be32(cs->numa_node), 2280da6f3feSBharata B Rao cpu_to_be32(index)}; 2290da6f3feSBharata B Rao 2300da6f3feSBharata B Rao /* Advertise NUMA via ibm,associativity */ 2310da6f3feSBharata B Rao if (nb_numa_nodes > 1) { 2320da6f3feSBharata B Rao ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 2330da6f3feSBharata B Rao sizeof(associativity)); 2340da6f3feSBharata B Rao } 2350da6f3feSBharata B Rao 2360da6f3feSBharata B Rao return ret; 2370da6f3feSBharata B Rao } 2380da6f3feSBharata B Rao 23928e02042SDavid Gibson static int spapr_fixup_cpu_dt(void *fdt, sPAPRMachineState *spapr) 24053018216SPaolo Bonzini { 24182677ed2SAlexey Kardashevskiy int ret = 0, offset, cpus_offset; 24282677ed2SAlexey Kardashevskiy CPUState *cs; 24353018216SPaolo Bonzini char cpu_model[32]; 24453018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 24553018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 24653018216SPaolo Bonzini 24782677ed2SAlexey Kardashevskiy CPU_FOREACH(cs) { 24882677ed2SAlexey Kardashevskiy PowerPCCPU *cpu = POWERPC_CPU(cs); 24982677ed2SAlexey Kardashevskiy DeviceClass *dc = DEVICE_GET_CLASS(cs); 25082677ed2SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 25112dbeb16SDavid Gibson int compat_smt = MIN(smp_threads, ppc_compat_max_threads(cpu)); 25253018216SPaolo Bonzini 2530f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 25453018216SPaolo Bonzini continue; 25553018216SPaolo Bonzini } 25653018216SPaolo Bonzini 25782677ed2SAlexey Kardashevskiy snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index); 25853018216SPaolo Bonzini 25982677ed2SAlexey Kardashevskiy cpus_offset = fdt_path_offset(fdt, "/cpus"); 26082677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 26182677ed2SAlexey Kardashevskiy cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), 26282677ed2SAlexey Kardashevskiy "cpus"); 26382677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 26482677ed2SAlexey Kardashevskiy return cpus_offset; 26582677ed2SAlexey Kardashevskiy } 26682677ed2SAlexey Kardashevskiy } 26782677ed2SAlexey Kardashevskiy offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model); 26882677ed2SAlexey Kardashevskiy if (offset < 0) { 26982677ed2SAlexey Kardashevskiy offset = fdt_add_subnode(fdt, cpus_offset, cpu_model); 27053018216SPaolo Bonzini if (offset < 0) { 27153018216SPaolo Bonzini return offset; 27253018216SPaolo Bonzini } 27382677ed2SAlexey Kardashevskiy } 27453018216SPaolo Bonzini 2750da6f3feSBharata B Rao ret = fdt_setprop(fdt, offset, "ibm,pft-size", 2760da6f3feSBharata B Rao pft_size_prop, sizeof(pft_size_prop)); 27753018216SPaolo Bonzini if (ret < 0) { 27853018216SPaolo Bonzini return ret; 27953018216SPaolo Bonzini } 28053018216SPaolo Bonzini 2810da6f3feSBharata B Rao ret = spapr_fixup_cpu_numa_dt(fdt, offset, cs); 28253018216SPaolo Bonzini if (ret < 0) { 28353018216SPaolo Bonzini return ret; 28453018216SPaolo Bonzini } 285833d4668SAlexey Kardashevskiy 28612dbeb16SDavid Gibson ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, compat_smt); 287833d4668SAlexey Kardashevskiy if (ret < 0) { 288833d4668SAlexey Kardashevskiy return ret; 289833d4668SAlexey Kardashevskiy } 29053018216SPaolo Bonzini } 29153018216SPaolo Bonzini return ret; 29253018216SPaolo Bonzini } 29353018216SPaolo Bonzini 294b082d65aSAlexey Kardashevskiy static hwaddr spapr_node0_size(void) 295b082d65aSAlexey Kardashevskiy { 296fb164994SDavid Gibson MachineState *machine = MACHINE(qdev_get_machine()); 297fb164994SDavid Gibson 298b082d65aSAlexey Kardashevskiy if (nb_numa_nodes) { 299b082d65aSAlexey Kardashevskiy int i; 300b082d65aSAlexey Kardashevskiy for (i = 0; i < nb_numa_nodes; ++i) { 301b082d65aSAlexey Kardashevskiy if (numa_info[i].node_mem) { 302fb164994SDavid Gibson return MIN(pow2floor(numa_info[i].node_mem), 303fb164994SDavid Gibson machine->ram_size); 304b082d65aSAlexey Kardashevskiy } 305b082d65aSAlexey Kardashevskiy } 306b082d65aSAlexey Kardashevskiy } 307fb164994SDavid Gibson return machine->ram_size; 308b082d65aSAlexey Kardashevskiy } 309b082d65aSAlexey Kardashevskiy 310a1d59c0fSAlexey Kardashevskiy static void add_str(GString *s, const gchar *s1) 311a1d59c0fSAlexey Kardashevskiy { 312a1d59c0fSAlexey Kardashevskiy g_string_append_len(s, s1, strlen(s1) + 1); 313a1d59c0fSAlexey Kardashevskiy } 31453018216SPaolo Bonzini 31503d196b7SBharata B Rao static int spapr_populate_memory_node(void *fdt, int nodeid, hwaddr start, 31626a8c353SAlexey Kardashevskiy hwaddr size) 31726a8c353SAlexey Kardashevskiy { 31826a8c353SAlexey Kardashevskiy uint32_t associativity[] = { 31926a8c353SAlexey Kardashevskiy cpu_to_be32(0x4), /* length */ 32026a8c353SAlexey Kardashevskiy cpu_to_be32(0x0), cpu_to_be32(0x0), 321c3b4f589SAlexey Kardashevskiy cpu_to_be32(0x0), cpu_to_be32(nodeid) 32226a8c353SAlexey Kardashevskiy }; 32326a8c353SAlexey Kardashevskiy char mem_name[32]; 32426a8c353SAlexey Kardashevskiy uint64_t mem_reg_property[2]; 32526a8c353SAlexey Kardashevskiy int off; 32626a8c353SAlexey Kardashevskiy 32726a8c353SAlexey Kardashevskiy mem_reg_property[0] = cpu_to_be64(start); 32826a8c353SAlexey Kardashevskiy mem_reg_property[1] = cpu_to_be64(size); 32926a8c353SAlexey Kardashevskiy 33026a8c353SAlexey Kardashevskiy sprintf(mem_name, "memory@" TARGET_FMT_lx, start); 33126a8c353SAlexey Kardashevskiy off = fdt_add_subnode(fdt, 0, mem_name); 33226a8c353SAlexey Kardashevskiy _FDT(off); 33326a8c353SAlexey Kardashevskiy _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 33426a8c353SAlexey Kardashevskiy _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 33526a8c353SAlexey Kardashevskiy sizeof(mem_reg_property)))); 33626a8c353SAlexey Kardashevskiy _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 33726a8c353SAlexey Kardashevskiy sizeof(associativity)))); 33803d196b7SBharata B Rao return off; 33926a8c353SAlexey Kardashevskiy } 34026a8c353SAlexey Kardashevskiy 34128e02042SDavid Gibson static int spapr_populate_memory(sPAPRMachineState *spapr, void *fdt) 34253018216SPaolo Bonzini { 343fb164994SDavid Gibson MachineState *machine = MACHINE(spapr); 3447db8a127SAlexey Kardashevskiy hwaddr mem_start, node_size; 3457db8a127SAlexey Kardashevskiy int i, nb_nodes = nb_numa_nodes; 3467db8a127SAlexey Kardashevskiy NodeInfo *nodes = numa_info; 3477db8a127SAlexey Kardashevskiy NodeInfo ramnode; 34853018216SPaolo Bonzini 3497db8a127SAlexey Kardashevskiy /* No NUMA nodes, assume there is just one node with whole RAM */ 3507db8a127SAlexey Kardashevskiy if (!nb_numa_nodes) { 3517db8a127SAlexey Kardashevskiy nb_nodes = 1; 352fb164994SDavid Gibson ramnode.node_mem = machine->ram_size; 3537db8a127SAlexey Kardashevskiy nodes = &ramnode; 3545fe269b1SPaul Mackerras } 35553018216SPaolo Bonzini 3567db8a127SAlexey Kardashevskiy for (i = 0, mem_start = 0; i < nb_nodes; ++i) { 3577db8a127SAlexey Kardashevskiy if (!nodes[i].node_mem) { 3587db8a127SAlexey Kardashevskiy continue; 35953018216SPaolo Bonzini } 360fb164994SDavid Gibson if (mem_start >= machine->ram_size) { 3615fe269b1SPaul Mackerras node_size = 0; 3625fe269b1SPaul Mackerras } else { 3637db8a127SAlexey Kardashevskiy node_size = nodes[i].node_mem; 364fb164994SDavid Gibson if (node_size > machine->ram_size - mem_start) { 365fb164994SDavid Gibson node_size = machine->ram_size - mem_start; 3665fe269b1SPaul Mackerras } 3675fe269b1SPaul Mackerras } 3687db8a127SAlexey Kardashevskiy if (!mem_start) { 3697db8a127SAlexey Kardashevskiy /* ppc_spapr_init() checks for rma_size <= node0_size already */ 370e8f986fcSBharata B Rao spapr_populate_memory_node(fdt, i, 0, spapr->rma_size); 3717db8a127SAlexey Kardashevskiy mem_start += spapr->rma_size; 3727db8a127SAlexey Kardashevskiy node_size -= spapr->rma_size; 3737db8a127SAlexey Kardashevskiy } 3746010818cSAlexey Kardashevskiy for ( ; node_size; ) { 3756010818cSAlexey Kardashevskiy hwaddr sizetmp = pow2floor(node_size); 3766010818cSAlexey Kardashevskiy 3776010818cSAlexey Kardashevskiy /* mem_start != 0 here */ 3786010818cSAlexey Kardashevskiy if (ctzl(mem_start) < ctzl(sizetmp)) { 3796010818cSAlexey Kardashevskiy sizetmp = 1ULL << ctzl(mem_start); 3806010818cSAlexey Kardashevskiy } 3816010818cSAlexey Kardashevskiy 3826010818cSAlexey Kardashevskiy spapr_populate_memory_node(fdt, i, mem_start, sizetmp); 3836010818cSAlexey Kardashevskiy node_size -= sizetmp; 3846010818cSAlexey Kardashevskiy mem_start += sizetmp; 3856010818cSAlexey Kardashevskiy } 38653018216SPaolo Bonzini } 38753018216SPaolo Bonzini 38853018216SPaolo Bonzini return 0; 38953018216SPaolo Bonzini } 39053018216SPaolo Bonzini 391230bf719SThomas Huth /* Populate the "ibm,pa-features" property */ 392230bf719SThomas Huth static void spapr_populate_pa_features(CPUPPCState *env, void *fdt, int offset) 393230bf719SThomas Huth { 394230bf719SThomas Huth uint8_t pa_features_206[] = { 6, 0, 395230bf719SThomas Huth 0xf6, 0x1f, 0xc7, 0x00, 0x80, 0xc0 }; 396230bf719SThomas Huth uint8_t pa_features_207[] = { 24, 0, 397230bf719SThomas Huth 0xf6, 0x1f, 0xc7, 0xc0, 0x80, 0xf0, 398230bf719SThomas Huth 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 399230bf719SThomas Huth 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 400bac3bf28SThomas Huth 0x80, 0x00, 0x80, 0x00, 0x00, 0x00 }; 401230bf719SThomas Huth uint8_t *pa_features; 402230bf719SThomas Huth size_t pa_size; 403230bf719SThomas Huth 4044cbec30dSThomas Huth switch (env->mmu_model) { 4054cbec30dSThomas Huth case POWERPC_MMU_2_06: 4064cbec30dSThomas Huth case POWERPC_MMU_2_06a: 407230bf719SThomas Huth pa_features = pa_features_206; 408230bf719SThomas Huth pa_size = sizeof(pa_features_206); 4094cbec30dSThomas Huth break; 4104cbec30dSThomas Huth case POWERPC_MMU_2_07: 4114cbec30dSThomas Huth case POWERPC_MMU_2_07a: 412230bf719SThomas Huth pa_features = pa_features_207; 413230bf719SThomas Huth pa_size = sizeof(pa_features_207); 4144cbec30dSThomas Huth break; 4154cbec30dSThomas Huth default: 4164cbec30dSThomas Huth return; 417230bf719SThomas Huth } 418230bf719SThomas Huth 419230bf719SThomas Huth if (env->ci_large_pages) { 420230bf719SThomas Huth /* 421230bf719SThomas Huth * Note: we keep CI large pages off by default because a 64K capable 422230bf719SThomas Huth * guest provisioned with large pages might otherwise try to map a qemu 423230bf719SThomas Huth * framebuffer (or other kind of memory mapped PCI BAR) using 64K pages 424230bf719SThomas Huth * even if that qemu runs on a 4k host. 425230bf719SThomas Huth * We dd this bit back here if we are confident this is not an issue 426230bf719SThomas Huth */ 427230bf719SThomas Huth pa_features[3] |= 0x20; 428230bf719SThomas Huth } 429bac3bf28SThomas Huth if (kvmppc_has_cap_htm() && pa_size > 24) { 430bac3bf28SThomas Huth pa_features[24] |= 0x80; /* Transactional memory support */ 431bac3bf28SThomas Huth } 432230bf719SThomas Huth 433230bf719SThomas Huth _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", pa_features, pa_size))); 434230bf719SThomas Huth } 435230bf719SThomas Huth 4360da6f3feSBharata B Rao static void spapr_populate_cpu_dt(CPUState *cs, void *fdt, int offset, 4370da6f3feSBharata B Rao sPAPRMachineState *spapr) 4380da6f3feSBharata B Rao { 4390da6f3feSBharata B Rao PowerPCCPU *cpu = POWERPC_CPU(cs); 4400da6f3feSBharata B Rao CPUPPCState *env = &cpu->env; 4410da6f3feSBharata B Rao PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 4420da6f3feSBharata B Rao int index = ppc_get_vcpu_dt_id(cpu); 4430da6f3feSBharata B Rao uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 4440da6f3feSBharata B Rao 0xffffffff, 0xffffffff}; 445afd10a0fSBharata B Rao uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() 446afd10a0fSBharata B Rao : SPAPR_TIMEBASE_FREQ; 4470da6f3feSBharata B Rao uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 4480da6f3feSBharata B Rao uint32_t page_sizes_prop[64]; 4490da6f3feSBharata B Rao size_t page_sizes_prop_size; 45022419c2aSDavid Gibson uint32_t vcpus_per_socket = smp_threads * smp_cores; 4510da6f3feSBharata B Rao uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 45212dbeb16SDavid Gibson int compat_smt = MIN(smp_threads, ppc_compat_max_threads(cpu)); 453af81cf32SBharata B Rao sPAPRDRConnector *drc; 454af81cf32SBharata B Rao sPAPRDRConnectorClass *drck; 455af81cf32SBharata B Rao int drc_index; 456af81cf32SBharata B Rao 457af81cf32SBharata B Rao drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, index); 458af81cf32SBharata B Rao if (drc) { 459af81cf32SBharata B Rao drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 460af81cf32SBharata B Rao drc_index = drck->get_index(drc); 461af81cf32SBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "ibm,my-drc-index", drc_index))); 462af81cf32SBharata B Rao } 4630da6f3feSBharata B Rao 4640da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "reg", index))); 4650da6f3feSBharata B Rao _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); 4660da6f3feSBharata B Rao 4670da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); 4680da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", 4690da6f3feSBharata B Rao env->dcache_line_size))); 4700da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", 4710da6f3feSBharata B Rao env->dcache_line_size))); 4720da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", 4730da6f3feSBharata B Rao env->icache_line_size))); 4740da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", 4750da6f3feSBharata B Rao env->icache_line_size))); 4760da6f3feSBharata B Rao 4770da6f3feSBharata B Rao if (pcc->l1_dcache_size) { 4780da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", 4790da6f3feSBharata B Rao pcc->l1_dcache_size))); 4800da6f3feSBharata B Rao } else { 481ce9863b7SCédric Le Goater error_report("Warning: Unknown L1 dcache size for cpu"); 4820da6f3feSBharata B Rao } 4830da6f3feSBharata B Rao if (pcc->l1_icache_size) { 4840da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", 4850da6f3feSBharata B Rao pcc->l1_icache_size))); 4860da6f3feSBharata B Rao } else { 487ce9863b7SCédric Le Goater error_report("Warning: Unknown L1 icache size for cpu"); 4880da6f3feSBharata B Rao } 4890da6f3feSBharata B Rao 4900da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); 4910da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); 492fd5da5c4SThomas Huth _FDT((fdt_setprop_cell(fdt, offset, "slb-size", env->slb_nr))); 4930da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", env->slb_nr))); 4940da6f3feSBharata B Rao _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); 4950da6f3feSBharata B Rao _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); 4960da6f3feSBharata B Rao 4970da6f3feSBharata B Rao if (env->spr_cb[SPR_PURR].oea_read) { 4980da6f3feSBharata B Rao _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); 4990da6f3feSBharata B Rao } 5000da6f3feSBharata B Rao 5010da6f3feSBharata B Rao if (env->mmu_model & POWERPC_MMU_1TSEG) { 5020da6f3feSBharata B Rao _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", 5030da6f3feSBharata B Rao segs, sizeof(segs)))); 5040da6f3feSBharata B Rao } 5050da6f3feSBharata B Rao 5060da6f3feSBharata B Rao /* Advertise VMX/VSX (vector extensions) if available 5070da6f3feSBharata B Rao * 0 / no property == no vector extensions 5080da6f3feSBharata B Rao * 1 == VMX / Altivec available 5090da6f3feSBharata B Rao * 2 == VSX available */ 5100da6f3feSBharata B Rao if (env->insns_flags & PPC_ALTIVEC) { 5110da6f3feSBharata B Rao uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 5120da6f3feSBharata B Rao 5130da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); 5140da6f3feSBharata B Rao } 5150da6f3feSBharata B Rao 5160da6f3feSBharata B Rao /* Advertise DFP (Decimal Floating Point) if available 5170da6f3feSBharata B Rao * 0 / no property == no DFP 5180da6f3feSBharata B Rao * 1 == DFP available */ 5190da6f3feSBharata B Rao if (env->insns_flags2 & PPC2_DFP) { 5200da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); 5210da6f3feSBharata B Rao } 5220da6f3feSBharata B Rao 5233654fa95SCédric Le Goater page_sizes_prop_size = ppc_create_page_sizes_prop(env, page_sizes_prop, 5240da6f3feSBharata B Rao sizeof(page_sizes_prop)); 5250da6f3feSBharata B Rao if (page_sizes_prop_size) { 5260da6f3feSBharata B Rao _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", 5270da6f3feSBharata B Rao page_sizes_prop, page_sizes_prop_size))); 5280da6f3feSBharata B Rao } 5290da6f3feSBharata B Rao 530230bf719SThomas Huth spapr_populate_pa_features(env, fdt, offset); 53190da0d5aSBenjamin Herrenschmidt 5320da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", 53322419c2aSDavid Gibson cs->cpu_index / vcpus_per_socket))); 5340da6f3feSBharata B Rao 5350da6f3feSBharata B Rao _FDT((fdt_setprop(fdt, offset, "ibm,pft-size", 5360da6f3feSBharata B Rao pft_size_prop, sizeof(pft_size_prop)))); 5370da6f3feSBharata B Rao 5380da6f3feSBharata B Rao _FDT(spapr_fixup_cpu_numa_dt(fdt, offset, cs)); 5390da6f3feSBharata B Rao 54012dbeb16SDavid Gibson _FDT(spapr_fixup_cpu_smt_dt(fdt, offset, cpu, compat_smt)); 5410da6f3feSBharata B Rao } 5420da6f3feSBharata B Rao 5430da6f3feSBharata B Rao static void spapr_populate_cpus_dt_node(void *fdt, sPAPRMachineState *spapr) 5440da6f3feSBharata B Rao { 5450da6f3feSBharata B Rao CPUState *cs; 5460da6f3feSBharata B Rao int cpus_offset; 5470da6f3feSBharata B Rao char *nodename; 5480da6f3feSBharata B Rao int smt = kvmppc_smt_threads(); 5490da6f3feSBharata B Rao 5500da6f3feSBharata B Rao cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); 5510da6f3feSBharata B Rao _FDT(cpus_offset); 5520da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); 5530da6f3feSBharata B Rao _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); 5540da6f3feSBharata B Rao 5550da6f3feSBharata B Rao /* 5560da6f3feSBharata B Rao * We walk the CPUs in reverse order to ensure that CPU DT nodes 5570da6f3feSBharata B Rao * created by fdt_add_subnode() end up in the right order in FDT 5580da6f3feSBharata B Rao * for the guest kernel the enumerate the CPUs correctly. 5590da6f3feSBharata B Rao */ 5600da6f3feSBharata B Rao CPU_FOREACH_REVERSE(cs) { 5610da6f3feSBharata B Rao PowerPCCPU *cpu = POWERPC_CPU(cs); 5620da6f3feSBharata B Rao int index = ppc_get_vcpu_dt_id(cpu); 5630da6f3feSBharata B Rao DeviceClass *dc = DEVICE_GET_CLASS(cs); 5640da6f3feSBharata B Rao int offset; 5650da6f3feSBharata B Rao 5660da6f3feSBharata B Rao if ((index % smt) != 0) { 5670da6f3feSBharata B Rao continue; 5680da6f3feSBharata B Rao } 5690da6f3feSBharata B Rao 5700da6f3feSBharata B Rao nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 5710da6f3feSBharata B Rao offset = fdt_add_subnode(fdt, cpus_offset, nodename); 5720da6f3feSBharata B Rao g_free(nodename); 5730da6f3feSBharata B Rao _FDT(offset); 5740da6f3feSBharata B Rao spapr_populate_cpu_dt(cs, fdt, offset, spapr); 5750da6f3feSBharata B Rao } 5760da6f3feSBharata B Rao 5770da6f3feSBharata B Rao } 5780da6f3feSBharata B Rao 57903d196b7SBharata B Rao /* 58003d196b7SBharata B Rao * Adds ibm,dynamic-reconfiguration-memory node. 58103d196b7SBharata B Rao * Refer to docs/specs/ppc-spapr-hotplug.txt for the documentation 58203d196b7SBharata B Rao * of this device tree node. 58303d196b7SBharata B Rao */ 58403d196b7SBharata B Rao static int spapr_populate_drconf_memory(sPAPRMachineState *spapr, void *fdt) 58503d196b7SBharata B Rao { 58603d196b7SBharata B Rao MachineState *machine = MACHINE(spapr); 58703d196b7SBharata B Rao int ret, i, offset; 58803d196b7SBharata B Rao uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; 58903d196b7SBharata B Rao uint32_t prop_lmb_size[] = {0, cpu_to_be32(lmb_size)}; 590d0e5a8f2SBharata B Rao uint32_t hotplug_lmb_start = spapr->hotplug_memory.base / lmb_size; 591d0e5a8f2SBharata B Rao uint32_t nr_lmbs = (spapr->hotplug_memory.base + 592d0e5a8f2SBharata B Rao memory_region_size(&spapr->hotplug_memory.mr)) / 593d0e5a8f2SBharata B Rao lmb_size; 59403d196b7SBharata B Rao uint32_t *int_buf, *cur_index, buf_len; 5956663864eSBharata B Rao int nr_nodes = nb_numa_nodes ? nb_numa_nodes : 1; 59603d196b7SBharata B Rao 597ef001f06SThomas Huth /* 598d0e5a8f2SBharata B Rao * Don't create the node if there is no hotpluggable memory 59916c25aefSBharata B Rao */ 600d0e5a8f2SBharata B Rao if (machine->ram_size == machine->maxram_size) { 60116c25aefSBharata B Rao return 0; 60216c25aefSBharata B Rao } 60316c25aefSBharata B Rao 60416c25aefSBharata B Rao /* 605ef001f06SThomas Huth * Allocate enough buffer size to fit in ibm,dynamic-memory 606ef001f06SThomas Huth * or ibm,associativity-lookup-arrays 607ef001f06SThomas Huth */ 608ef001f06SThomas Huth buf_len = MAX(nr_lmbs * SPAPR_DR_LMB_LIST_ENTRY_SIZE + 1, nr_nodes * 4 + 2) 609ef001f06SThomas Huth * sizeof(uint32_t); 61003d196b7SBharata B Rao cur_index = int_buf = g_malloc0(buf_len); 61103d196b7SBharata B Rao 61203d196b7SBharata B Rao offset = fdt_add_subnode(fdt, 0, "ibm,dynamic-reconfiguration-memory"); 61303d196b7SBharata B Rao 61403d196b7SBharata B Rao ret = fdt_setprop(fdt, offset, "ibm,lmb-size", prop_lmb_size, 61503d196b7SBharata B Rao sizeof(prop_lmb_size)); 61603d196b7SBharata B Rao if (ret < 0) { 61703d196b7SBharata B Rao goto out; 61803d196b7SBharata B Rao } 61903d196b7SBharata B Rao 62003d196b7SBharata B Rao ret = fdt_setprop_cell(fdt, offset, "ibm,memory-flags-mask", 0xff); 62103d196b7SBharata B Rao if (ret < 0) { 62203d196b7SBharata B Rao goto out; 62303d196b7SBharata B Rao } 62403d196b7SBharata B Rao 62503d196b7SBharata B Rao ret = fdt_setprop_cell(fdt, offset, "ibm,memory-preservation-time", 0x0); 62603d196b7SBharata B Rao if (ret < 0) { 62703d196b7SBharata B Rao goto out; 62803d196b7SBharata B Rao } 62903d196b7SBharata B Rao 63003d196b7SBharata B Rao /* ibm,dynamic-memory */ 63103d196b7SBharata B Rao int_buf[0] = cpu_to_be32(nr_lmbs); 63203d196b7SBharata B Rao cur_index++; 63303d196b7SBharata B Rao for (i = 0; i < nr_lmbs; i++) { 634d0e5a8f2SBharata B Rao uint64_t addr = i * lmb_size; 63503d196b7SBharata B Rao uint32_t *dynamic_memory = cur_index; 63603d196b7SBharata B Rao 637d0e5a8f2SBharata B Rao if (i >= hotplug_lmb_start) { 638d0e5a8f2SBharata B Rao sPAPRDRConnector *drc; 639d0e5a8f2SBharata B Rao sPAPRDRConnectorClass *drck; 640d0e5a8f2SBharata B Rao 641d0e5a8f2SBharata B Rao drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB, i); 64203d196b7SBharata B Rao g_assert(drc); 64303d196b7SBharata B Rao drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 64403d196b7SBharata B Rao 64503d196b7SBharata B Rao dynamic_memory[0] = cpu_to_be32(addr >> 32); 64603d196b7SBharata B Rao dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff); 64703d196b7SBharata B Rao dynamic_memory[2] = cpu_to_be32(drck->get_index(drc)); 64803d196b7SBharata B Rao dynamic_memory[3] = cpu_to_be32(0); /* reserved */ 64903d196b7SBharata B Rao dynamic_memory[4] = cpu_to_be32(numa_get_node(addr, NULL)); 650d0e5a8f2SBharata B Rao if (memory_region_present(get_system_memory(), addr)) { 65103d196b7SBharata B Rao dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_ASSIGNED); 65203d196b7SBharata B Rao } else { 65303d196b7SBharata B Rao dynamic_memory[5] = cpu_to_be32(0); 65403d196b7SBharata B Rao } 655d0e5a8f2SBharata B Rao } else { 656d0e5a8f2SBharata B Rao /* 657d0e5a8f2SBharata B Rao * LMB information for RMA, boot time RAM and gap b/n RAM and 658d0e5a8f2SBharata B Rao * hotplug memory region -- all these are marked as reserved 659d0e5a8f2SBharata B Rao * and as having no valid DRC. 660d0e5a8f2SBharata B Rao */ 661d0e5a8f2SBharata B Rao dynamic_memory[0] = cpu_to_be32(addr >> 32); 662d0e5a8f2SBharata B Rao dynamic_memory[1] = cpu_to_be32(addr & 0xffffffff); 663d0e5a8f2SBharata B Rao dynamic_memory[2] = cpu_to_be32(0); 664d0e5a8f2SBharata B Rao dynamic_memory[3] = cpu_to_be32(0); /* reserved */ 665d0e5a8f2SBharata B Rao dynamic_memory[4] = cpu_to_be32(-1); 666d0e5a8f2SBharata B Rao dynamic_memory[5] = cpu_to_be32(SPAPR_LMB_FLAGS_RESERVED | 667d0e5a8f2SBharata B Rao SPAPR_LMB_FLAGS_DRC_INVALID); 668d0e5a8f2SBharata B Rao } 66903d196b7SBharata B Rao 67003d196b7SBharata B Rao cur_index += SPAPR_DR_LMB_LIST_ENTRY_SIZE; 67103d196b7SBharata B Rao } 67203d196b7SBharata B Rao ret = fdt_setprop(fdt, offset, "ibm,dynamic-memory", int_buf, buf_len); 67303d196b7SBharata B Rao if (ret < 0) { 67403d196b7SBharata B Rao goto out; 67503d196b7SBharata B Rao } 67603d196b7SBharata B Rao 67703d196b7SBharata B Rao /* ibm,associativity-lookup-arrays */ 67803d196b7SBharata B Rao cur_index = int_buf; 6796663864eSBharata B Rao int_buf[0] = cpu_to_be32(nr_nodes); 68003d196b7SBharata B Rao int_buf[1] = cpu_to_be32(4); /* Number of entries per associativity list */ 68103d196b7SBharata B Rao cur_index += 2; 6826663864eSBharata B Rao for (i = 0; i < nr_nodes; i++) { 68303d196b7SBharata B Rao uint32_t associativity[] = { 68403d196b7SBharata B Rao cpu_to_be32(0x0), 68503d196b7SBharata B Rao cpu_to_be32(0x0), 68603d196b7SBharata B Rao cpu_to_be32(0x0), 68703d196b7SBharata B Rao cpu_to_be32(i) 68803d196b7SBharata B Rao }; 68903d196b7SBharata B Rao memcpy(cur_index, associativity, sizeof(associativity)); 69003d196b7SBharata B Rao cur_index += 4; 69103d196b7SBharata B Rao } 69203d196b7SBharata B Rao ret = fdt_setprop(fdt, offset, "ibm,associativity-lookup-arrays", int_buf, 69303d196b7SBharata B Rao (cur_index - int_buf) * sizeof(uint32_t)); 69403d196b7SBharata B Rao out: 69503d196b7SBharata B Rao g_free(int_buf); 69603d196b7SBharata B Rao return ret; 69703d196b7SBharata B Rao } 69803d196b7SBharata B Rao 6996787d27bSMichael Roth static int spapr_dt_cas_updates(sPAPRMachineState *spapr, void *fdt, 7006787d27bSMichael Roth sPAPROptionVector *ov5_updates) 7016787d27bSMichael Roth { 7026787d27bSMichael Roth sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr); 703417ece33SMichael Roth int ret = 0, offset; 7046787d27bSMichael Roth 7056787d27bSMichael Roth /* Generate ibm,dynamic-reconfiguration-memory node if required */ 7066787d27bSMichael Roth if (spapr_ovec_test(ov5_updates, OV5_DRCONF_MEMORY)) { 7076787d27bSMichael Roth g_assert(smc->dr_lmb_enabled); 7086787d27bSMichael Roth ret = spapr_populate_drconf_memory(spapr, fdt); 709417ece33SMichael Roth if (ret) { 710417ece33SMichael Roth goto out; 711417ece33SMichael Roth } 7126787d27bSMichael Roth } 7136787d27bSMichael Roth 714417ece33SMichael Roth offset = fdt_path_offset(fdt, "/chosen"); 715417ece33SMichael Roth if (offset < 0) { 716417ece33SMichael Roth offset = fdt_add_subnode(fdt, 0, "chosen"); 717417ece33SMichael Roth if (offset < 0) { 718417ece33SMichael Roth return offset; 719417ece33SMichael Roth } 720417ece33SMichael Roth } 721417ece33SMichael Roth ret = spapr_ovec_populate_dt(fdt, offset, spapr->ov5_cas, 722417ece33SMichael Roth "ibm,architecture-vec-5"); 723417ece33SMichael Roth 724417ece33SMichael Roth out: 7256787d27bSMichael Roth return ret; 7266787d27bSMichael Roth } 7276787d27bSMichael Roth 72803d196b7SBharata B Rao int spapr_h_cas_compose_response(sPAPRMachineState *spapr, 72903d196b7SBharata B Rao target_ulong addr, target_ulong size, 7306787d27bSMichael Roth sPAPROptionVector *ov5_updates) 73103d196b7SBharata B Rao { 73203d196b7SBharata B Rao void *fdt, *fdt_skel; 73303d196b7SBharata B Rao sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; 73403d196b7SBharata B Rao 73503d196b7SBharata B Rao size -= sizeof(hdr); 73603d196b7SBharata B Rao 73703d196b7SBharata B Rao /* Create sceleton */ 73803d196b7SBharata B Rao fdt_skel = g_malloc0(size); 73903d196b7SBharata B Rao _FDT((fdt_create(fdt_skel, size))); 74003d196b7SBharata B Rao _FDT((fdt_begin_node(fdt_skel, ""))); 74103d196b7SBharata B Rao _FDT((fdt_end_node(fdt_skel))); 74203d196b7SBharata B Rao _FDT((fdt_finish(fdt_skel))); 74303d196b7SBharata B Rao fdt = g_malloc0(size); 74403d196b7SBharata B Rao _FDT((fdt_open_into(fdt_skel, fdt, size))); 74503d196b7SBharata B Rao g_free(fdt_skel); 74603d196b7SBharata B Rao 74703d196b7SBharata B Rao /* Fixup cpu nodes */ 74803d196b7SBharata B Rao _FDT((spapr_fixup_cpu_dt(fdt, spapr))); 74903d196b7SBharata B Rao 7506787d27bSMichael Roth if (spapr_dt_cas_updates(spapr, fdt, ov5_updates)) { 7516787d27bSMichael Roth return -1; 75203d196b7SBharata B Rao } 75303d196b7SBharata B Rao 75403d196b7SBharata B Rao /* Pack resulting tree */ 75503d196b7SBharata B Rao _FDT((fdt_pack(fdt))); 75603d196b7SBharata B Rao 75703d196b7SBharata B Rao if (fdt_totalsize(fdt) + sizeof(hdr) > size) { 75803d196b7SBharata B Rao trace_spapr_cas_failed(size); 75903d196b7SBharata B Rao return -1; 76003d196b7SBharata B Rao } 76103d196b7SBharata B Rao 76203d196b7SBharata B Rao cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); 76303d196b7SBharata B Rao cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); 76403d196b7SBharata B Rao trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); 76503d196b7SBharata B Rao g_free(fdt); 76603d196b7SBharata B Rao 76703d196b7SBharata B Rao return 0; 76803d196b7SBharata B Rao } 76903d196b7SBharata B Rao 7703f5dabceSDavid Gibson static void spapr_dt_rtas(sPAPRMachineState *spapr, void *fdt) 7713f5dabceSDavid Gibson { 7723f5dabceSDavid Gibson int rtas; 7733f5dabceSDavid Gibson GString *hypertas = g_string_sized_new(256); 7743f5dabceSDavid Gibson GString *qemu_hypertas = g_string_sized_new(256); 7753f5dabceSDavid Gibson uint32_t refpoints[] = { cpu_to_be32(0x4), cpu_to_be32(0x4) }; 7763f5dabceSDavid Gibson uint64_t max_hotplug_addr = spapr->hotplug_memory.base + 7773f5dabceSDavid Gibson memory_region_size(&spapr->hotplug_memory.mr); 7783f5dabceSDavid Gibson uint32_t lrdr_capacity[] = { 7793f5dabceSDavid Gibson cpu_to_be32(max_hotplug_addr >> 32), 7803f5dabceSDavid Gibson cpu_to_be32(max_hotplug_addr & 0xffffffff), 7813f5dabceSDavid Gibson 0, cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE), 7823f5dabceSDavid Gibson cpu_to_be32(max_cpus / smp_threads), 7833f5dabceSDavid Gibson }; 7843f5dabceSDavid Gibson 7853f5dabceSDavid Gibson _FDT(rtas = fdt_add_subnode(fdt, 0, "rtas")); 7863f5dabceSDavid Gibson 7873f5dabceSDavid Gibson /* hypertas */ 7883f5dabceSDavid Gibson add_str(hypertas, "hcall-pft"); 7893f5dabceSDavid Gibson add_str(hypertas, "hcall-term"); 7903f5dabceSDavid Gibson add_str(hypertas, "hcall-dabr"); 7913f5dabceSDavid Gibson add_str(hypertas, "hcall-interrupt"); 7923f5dabceSDavid Gibson add_str(hypertas, "hcall-tce"); 7933f5dabceSDavid Gibson add_str(hypertas, "hcall-vio"); 7943f5dabceSDavid Gibson add_str(hypertas, "hcall-splpar"); 7953f5dabceSDavid Gibson add_str(hypertas, "hcall-bulk"); 7963f5dabceSDavid Gibson add_str(hypertas, "hcall-set-mode"); 7973f5dabceSDavid Gibson add_str(hypertas, "hcall-sprg0"); 7983f5dabceSDavid Gibson add_str(hypertas, "hcall-copy"); 7993f5dabceSDavid Gibson add_str(hypertas, "hcall-debug"); 8003f5dabceSDavid Gibson add_str(qemu_hypertas, "hcall-memop1"); 8013f5dabceSDavid Gibson 8023f5dabceSDavid Gibson if (!kvm_enabled() || kvmppc_spapr_use_multitce()) { 8033f5dabceSDavid Gibson add_str(hypertas, "hcall-multi-tce"); 8043f5dabceSDavid Gibson } 8053f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "ibm,hypertas-functions", 8063f5dabceSDavid Gibson hypertas->str, hypertas->len)); 8073f5dabceSDavid Gibson g_string_free(hypertas, TRUE); 8083f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "qemu,hypertas-functions", 8093f5dabceSDavid Gibson qemu_hypertas->str, qemu_hypertas->len)); 8103f5dabceSDavid Gibson g_string_free(qemu_hypertas, TRUE); 8113f5dabceSDavid Gibson 8123f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "ibm,associativity-reference-points", 8133f5dabceSDavid Gibson refpoints, sizeof(refpoints))); 8143f5dabceSDavid Gibson 8153f5dabceSDavid Gibson _FDT(fdt_setprop_cell(fdt, rtas, "rtas-error-log-max", 8163f5dabceSDavid Gibson RTAS_ERROR_LOG_MAX)); 8173f5dabceSDavid Gibson _FDT(fdt_setprop_cell(fdt, rtas, "rtas-event-scan-rate", 8183f5dabceSDavid Gibson RTAS_EVENT_SCAN_RATE)); 8193f5dabceSDavid Gibson 8203f5dabceSDavid Gibson if (msi_nonbroken) { 8213f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "ibm,change-msix-capable", NULL, 0)); 8223f5dabceSDavid Gibson } 8233f5dabceSDavid Gibson 8243f5dabceSDavid Gibson /* 8253f5dabceSDavid Gibson * According to PAPR, rtas ibm,os-term does not guarantee a return 8263f5dabceSDavid Gibson * back to the guest cpu. 8273f5dabceSDavid Gibson * 8283f5dabceSDavid Gibson * While an additional ibm,extended-os-term property indicates 8293f5dabceSDavid Gibson * that rtas call return will always occur. Set this property. 8303f5dabceSDavid Gibson */ 8313f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "ibm,extended-os-term", NULL, 0)); 8323f5dabceSDavid Gibson 8333f5dabceSDavid Gibson _FDT(fdt_setprop(fdt, rtas, "ibm,lrdr-capacity", 8343f5dabceSDavid Gibson lrdr_capacity, sizeof(lrdr_capacity))); 8353f5dabceSDavid Gibson 8363f5dabceSDavid Gibson spapr_dt_rtas_tokens(fdt, rtas); 8373f5dabceSDavid Gibson } 8383f5dabceSDavid Gibson 8397c866c6aSDavid Gibson static void spapr_dt_chosen(sPAPRMachineState *spapr, void *fdt) 8407c866c6aSDavid Gibson { 8417c866c6aSDavid Gibson MachineState *machine = MACHINE(spapr); 8427c866c6aSDavid Gibson int chosen; 8437c866c6aSDavid Gibson const char *boot_device = machine->boot_order; 8447c866c6aSDavid Gibson char *stdout_path = spapr_vio_stdout_path(spapr->vio_bus); 8457c866c6aSDavid Gibson size_t cb = 0; 8467c866c6aSDavid Gibson char *bootlist = get_boot_devices_list(&cb, true); 8477c866c6aSDavid Gibson 8487c866c6aSDavid Gibson _FDT(chosen = fdt_add_subnode(fdt, 0, "chosen")); 8497c866c6aSDavid Gibson 8507c866c6aSDavid Gibson _FDT(fdt_setprop_string(fdt, chosen, "bootargs", machine->kernel_cmdline)); 8517c866c6aSDavid Gibson _FDT(fdt_setprop_cell(fdt, chosen, "linux,initrd-start", 8527c866c6aSDavid Gibson spapr->initrd_base)); 8537c866c6aSDavid Gibson _FDT(fdt_setprop_cell(fdt, chosen, "linux,initrd-end", 8547c866c6aSDavid Gibson spapr->initrd_base + spapr->initrd_size)); 8557c866c6aSDavid Gibson 8567c866c6aSDavid Gibson if (spapr->kernel_size) { 8577c866c6aSDavid Gibson uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 8587c866c6aSDavid Gibson cpu_to_be64(spapr->kernel_size) }; 8597c866c6aSDavid Gibson 8607c866c6aSDavid Gibson _FDT(fdt_setprop(fdt, chosen, "qemu,boot-kernel", 8617c866c6aSDavid Gibson &kprop, sizeof(kprop))); 8627c866c6aSDavid Gibson if (spapr->kernel_le) { 8637c866c6aSDavid Gibson _FDT(fdt_setprop(fdt, chosen, "qemu,boot-kernel-le", NULL, 0)); 8647c866c6aSDavid Gibson } 8657c866c6aSDavid Gibson } 8667c866c6aSDavid Gibson if (boot_menu) { 8677c866c6aSDavid Gibson _FDT((fdt_setprop_cell(fdt, chosen, "qemu,boot-menu", boot_menu))); 8687c866c6aSDavid Gibson } 8697c866c6aSDavid Gibson _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-width", graphic_width)); 8707c866c6aSDavid Gibson _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-height", graphic_height)); 8717c866c6aSDavid Gibson _FDT(fdt_setprop_cell(fdt, chosen, "qemu,graphic-depth", graphic_depth)); 8727c866c6aSDavid Gibson 8737c866c6aSDavid Gibson if (cb && bootlist) { 8747c866c6aSDavid Gibson int i; 8757c866c6aSDavid Gibson 8767c866c6aSDavid Gibson for (i = 0; i < cb; i++) { 8777c866c6aSDavid Gibson if (bootlist[i] == '\n') { 8787c866c6aSDavid Gibson bootlist[i] = ' '; 8797c866c6aSDavid Gibson } 8807c866c6aSDavid Gibson } 8817c866c6aSDavid Gibson _FDT(fdt_setprop_string(fdt, chosen, "qemu,boot-list", bootlist)); 8827c866c6aSDavid Gibson } 8837c866c6aSDavid Gibson 8847c866c6aSDavid Gibson if (boot_device && strlen(boot_device)) { 8857c866c6aSDavid Gibson _FDT(fdt_setprop_string(fdt, chosen, "qemu,boot-device", boot_device)); 8867c866c6aSDavid Gibson } 8877c866c6aSDavid Gibson 8887c866c6aSDavid Gibson if (!spapr->has_graphics && stdout_path) { 8897c866c6aSDavid Gibson _FDT(fdt_setprop_string(fdt, chosen, "linux,stdout-path", stdout_path)); 8907c866c6aSDavid Gibson } 8917c866c6aSDavid Gibson 8927c866c6aSDavid Gibson g_free(stdout_path); 8937c866c6aSDavid Gibson g_free(bootlist); 8947c866c6aSDavid Gibson } 8957c866c6aSDavid Gibson 896fca5f2dcSDavid Gibson static void spapr_dt_hypervisor(sPAPRMachineState *spapr, void *fdt) 897fca5f2dcSDavid Gibson { 898fca5f2dcSDavid Gibson /* The /hypervisor node isn't in PAPR - this is a hack to allow PR 899fca5f2dcSDavid Gibson * KVM to work under pHyp with some guest co-operation */ 900fca5f2dcSDavid Gibson int hypervisor; 901fca5f2dcSDavid Gibson uint8_t hypercall[16]; 902fca5f2dcSDavid Gibson 903fca5f2dcSDavid Gibson _FDT(hypervisor = fdt_add_subnode(fdt, 0, "hypervisor")); 904fca5f2dcSDavid Gibson /* indicate KVM hypercall interface */ 905fca5f2dcSDavid Gibson _FDT(fdt_setprop_string(fdt, hypervisor, "compatible", "linux,kvm")); 906fca5f2dcSDavid Gibson if (kvmppc_has_cap_fixup_hcalls()) { 907fca5f2dcSDavid Gibson /* 908fca5f2dcSDavid Gibson * Older KVM versions with older guest kernels were broken 909fca5f2dcSDavid Gibson * with the magic page, don't allow the guest to map it. 910fca5f2dcSDavid Gibson */ 911fca5f2dcSDavid Gibson if (!kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, 912fca5f2dcSDavid Gibson sizeof(hypercall))) { 913fca5f2dcSDavid Gibson _FDT(fdt_setprop(fdt, hypervisor, "hcall-instructions", 914fca5f2dcSDavid Gibson hypercall, sizeof(hypercall))); 915fca5f2dcSDavid Gibson } 916fca5f2dcSDavid Gibson } 917fca5f2dcSDavid Gibson } 918fca5f2dcSDavid Gibson 919997b6cfcSDavid Gibson static void *spapr_build_fdt(sPAPRMachineState *spapr, 92053018216SPaolo Bonzini hwaddr rtas_addr, 92153018216SPaolo Bonzini hwaddr rtas_size) 92253018216SPaolo Bonzini { 9235b2128d2SAlexander Graf MachineState *machine = MACHINE(qdev_get_machine()); 9243c0c47e3SDavid Gibson MachineClass *mc = MACHINE_GET_CLASS(machine); 925c20d332aSBharata B Rao sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); 9267c866c6aSDavid Gibson int ret; 92753018216SPaolo Bonzini void *fdt; 92853018216SPaolo Bonzini sPAPRPHBState *phb; 929398a0bd5SDavid Gibson char *buf; 93053018216SPaolo Bonzini 931398a0bd5SDavid Gibson fdt = g_malloc0(FDT_MAX_SIZE); 932398a0bd5SDavid Gibson _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); 93353018216SPaolo Bonzini 934398a0bd5SDavid Gibson /* Root node */ 935398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "device_type", "chrp")); 936398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "model", "IBM pSeries (emulated by qemu)")); 937398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "compatible", "qemu,pseries")); 938398a0bd5SDavid Gibson 939398a0bd5SDavid Gibson /* 940398a0bd5SDavid Gibson * Add info to guest to indentify which host is it being run on 941398a0bd5SDavid Gibson * and what is the uuid of the guest 942398a0bd5SDavid Gibson */ 943398a0bd5SDavid Gibson if (kvmppc_get_host_model(&buf)) { 944398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "host-model", buf)); 945398a0bd5SDavid Gibson g_free(buf); 946398a0bd5SDavid Gibson } 947398a0bd5SDavid Gibson if (kvmppc_get_host_serial(&buf)) { 948398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "host-serial", buf)); 949398a0bd5SDavid Gibson g_free(buf); 950398a0bd5SDavid Gibson } 951398a0bd5SDavid Gibson 952398a0bd5SDavid Gibson buf = qemu_uuid_unparse_strdup(&qemu_uuid); 953398a0bd5SDavid Gibson 954398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "vm,uuid", buf)); 955398a0bd5SDavid Gibson if (qemu_uuid_set) { 956398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "system-id", buf)); 957398a0bd5SDavid Gibson } 958398a0bd5SDavid Gibson g_free(buf); 959398a0bd5SDavid Gibson 960398a0bd5SDavid Gibson if (qemu_get_vm_name()) { 961398a0bd5SDavid Gibson _FDT(fdt_setprop_string(fdt, 0, "ibm,partition-name", 962398a0bd5SDavid Gibson qemu_get_vm_name())); 963398a0bd5SDavid Gibson } 964398a0bd5SDavid Gibson 965398a0bd5SDavid Gibson _FDT(fdt_setprop_cell(fdt, 0, "#address-cells", 2)); 966398a0bd5SDavid Gibson _FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2)); 96753018216SPaolo Bonzini 9689b9a1908SDavid Gibson /* /interrupt controller */ 969*b0ec3129SCédric Le Goater spapr_dt_xics(spapr->xics->nr_servers, fdt, PHANDLE_XICP); 9709b9a1908SDavid Gibson 971e8f986fcSBharata B Rao ret = spapr_populate_memory(spapr, fdt); 972e8f986fcSBharata B Rao if (ret < 0) { 973ce9863b7SCédric Le Goater error_report("couldn't setup memory nodes in fdt"); 974e8f986fcSBharata B Rao exit(1); 97553018216SPaolo Bonzini } 97653018216SPaolo Bonzini 977bf5a6696SDavid Gibson /* /vdevice */ 978bf5a6696SDavid Gibson spapr_dt_vdevice(spapr->vio_bus, fdt); 97953018216SPaolo Bonzini 9804d9392beSThomas Huth if (object_resolve_path_type("", TYPE_SPAPR_RNG, NULL)) { 9814d9392beSThomas Huth ret = spapr_rng_populate_dt(fdt); 9824d9392beSThomas Huth if (ret < 0) { 983ce9863b7SCédric Le Goater error_report("could not set up rng device in the fdt"); 9844d9392beSThomas Huth exit(1); 9854d9392beSThomas Huth } 9864d9392beSThomas Huth } 9874d9392beSThomas Huth 98853018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 98953018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 99053018216SPaolo Bonzini if (ret < 0) { 991da34fed7SThomas Huth error_report("couldn't setup PCI devices in fdt"); 99253018216SPaolo Bonzini exit(1); 99353018216SPaolo Bonzini } 994da34fed7SThomas Huth } 99553018216SPaolo Bonzini 9960da6f3feSBharata B Rao /* cpus */ 9970da6f3feSBharata B Rao spapr_populate_cpus_dt_node(fdt, spapr); 99853018216SPaolo Bonzini 999c20d332aSBharata B Rao if (smc->dr_lmb_enabled) { 1000c20d332aSBharata B Rao _FDT(spapr_drc_populate_dt(fdt, 0, NULL, SPAPR_DR_CONNECTOR_TYPE_LMB)); 1001c20d332aSBharata B Rao } 1002c20d332aSBharata B Rao 1003c5514d0eSIgor Mammedov if (mc->has_hotpluggable_cpus) { 1004af81cf32SBharata B Rao int offset = fdt_path_offset(fdt, "/cpus"); 1005af81cf32SBharata B Rao ret = spapr_drc_populate_dt(fdt, offset, NULL, 1006af81cf32SBharata B Rao SPAPR_DR_CONNECTOR_TYPE_CPU); 1007af81cf32SBharata B Rao if (ret < 0) { 1008af81cf32SBharata B Rao error_report("Couldn't set up CPU DR device tree properties"); 1009af81cf32SBharata B Rao exit(1); 1010af81cf32SBharata B Rao } 1011af81cf32SBharata B Rao } 1012af81cf32SBharata B Rao 1013ffb1e275SDavid Gibson /* /event-sources */ 1014ffbb1705SMichael Roth spapr_dt_events(spapr, fdt); 1015ffb1e275SDavid Gibson 10163f5dabceSDavid Gibson /* /rtas */ 10173f5dabceSDavid Gibson spapr_dt_rtas(spapr, fdt); 10183f5dabceSDavid Gibson 10197c866c6aSDavid Gibson /* /chosen */ 10207c866c6aSDavid Gibson spapr_dt_chosen(spapr, fdt); 1021cf6e5223SDavid Gibson 1022fca5f2dcSDavid Gibson /* /hypervisor */ 1023fca5f2dcSDavid Gibson if (kvm_enabled()) { 1024fca5f2dcSDavid Gibson spapr_dt_hypervisor(spapr, fdt); 1025fca5f2dcSDavid Gibson } 1026fca5f2dcSDavid Gibson 1027cf6e5223SDavid Gibson /* Build memory reserve map */ 1028cf6e5223SDavid Gibson if (spapr->kernel_size) { 1029cf6e5223SDavid Gibson _FDT((fdt_add_mem_rsv(fdt, KERNEL_LOAD_ADDR, spapr->kernel_size))); 1030cf6e5223SDavid Gibson } 1031cf6e5223SDavid Gibson if (spapr->initrd_size) { 1032cf6e5223SDavid Gibson _FDT((fdt_add_mem_rsv(fdt, spapr->initrd_base, spapr->initrd_size))); 1033cf6e5223SDavid Gibson } 1034cf6e5223SDavid Gibson 10356787d27bSMichael Roth /* ibm,client-architecture-support updates */ 10366787d27bSMichael Roth ret = spapr_dt_cas_updates(spapr, fdt, spapr->ov5_cas); 10376787d27bSMichael Roth if (ret < 0) { 10386787d27bSMichael Roth error_report("couldn't setup CAS properties fdt"); 10396787d27bSMichael Roth exit(1); 10406787d27bSMichael Roth } 10416787d27bSMichael Roth 1042997b6cfcSDavid Gibson return fdt; 104353018216SPaolo Bonzini } 104453018216SPaolo Bonzini 104553018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 104653018216SPaolo Bonzini { 104753018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 104853018216SPaolo Bonzini } 104953018216SPaolo Bonzini 10501d1be34dSDavid Gibson static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp, 10511d1be34dSDavid Gibson PowerPCCPU *cpu) 105253018216SPaolo Bonzini { 105353018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 105453018216SPaolo Bonzini 10558d04fb55SJan Kiszka /* The TCG path should also be holding the BQL at this point */ 10568d04fb55SJan Kiszka g_assert(qemu_mutex_iothread_locked()); 10578d04fb55SJan Kiszka 105853018216SPaolo Bonzini if (msr_pr) { 105953018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 106053018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 106153018216SPaolo Bonzini } else { 106253018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 106353018216SPaolo Bonzini } 106453018216SPaolo Bonzini } 106553018216SPaolo Bonzini 1066e6b8fd24SSamuel Mendoza-Jonas #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 1067e6b8fd24SSamuel Mendoza-Jonas #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 1068e6b8fd24SSamuel Mendoza-Jonas #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 1069e6b8fd24SSamuel Mendoza-Jonas #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 1070e6b8fd24SSamuel Mendoza-Jonas #define DIRTY_HPTE(_hpte) ((*(uint64_t *)(_hpte)) |= tswap64(HPTE64_V_HPTE_DIRTY)) 1071e6b8fd24SSamuel Mendoza-Jonas 1072715c5407SDavid Gibson /* 1073715c5407SDavid Gibson * Get the fd to access the kernel htab, re-opening it if necessary 1074715c5407SDavid Gibson */ 1075715c5407SDavid Gibson static int get_htab_fd(sPAPRMachineState *spapr) 1076715c5407SDavid Gibson { 1077715c5407SDavid Gibson if (spapr->htab_fd >= 0) { 1078715c5407SDavid Gibson return spapr->htab_fd; 1079715c5407SDavid Gibson } 1080715c5407SDavid Gibson 1081715c5407SDavid Gibson spapr->htab_fd = kvmppc_get_htab_fd(false); 1082715c5407SDavid Gibson if (spapr->htab_fd < 0) { 1083715c5407SDavid Gibson error_report("Unable to open fd for reading hash table from KVM: %s", 1084715c5407SDavid Gibson strerror(errno)); 1085715c5407SDavid Gibson } 1086715c5407SDavid Gibson 1087715c5407SDavid Gibson return spapr->htab_fd; 1088715c5407SDavid Gibson } 1089715c5407SDavid Gibson 1090715c5407SDavid Gibson static void close_htab_fd(sPAPRMachineState *spapr) 1091715c5407SDavid Gibson { 1092715c5407SDavid Gibson if (spapr->htab_fd >= 0) { 1093715c5407SDavid Gibson close(spapr->htab_fd); 1094715c5407SDavid Gibson } 1095715c5407SDavid Gibson spapr->htab_fd = -1; 1096715c5407SDavid Gibson } 1097715c5407SDavid Gibson 1098e57ca75cSDavid Gibson static hwaddr spapr_hpt_mask(PPCVirtualHypervisor *vhyp) 1099e57ca75cSDavid Gibson { 1100e57ca75cSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp); 1101e57ca75cSDavid Gibson 1102e57ca75cSDavid Gibson return HTAB_SIZE(spapr) / HASH_PTEG_SIZE_64 - 1; 1103e57ca75cSDavid Gibson } 1104e57ca75cSDavid Gibson 1105e57ca75cSDavid Gibson static const ppc_hash_pte64_t *spapr_map_hptes(PPCVirtualHypervisor *vhyp, 1106e57ca75cSDavid Gibson hwaddr ptex, int n) 1107e57ca75cSDavid Gibson { 1108e57ca75cSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp); 1109e57ca75cSDavid Gibson hwaddr pte_offset = ptex * HASH_PTE_SIZE_64; 1110e57ca75cSDavid Gibson 1111e57ca75cSDavid Gibson if (!spapr->htab) { 1112e57ca75cSDavid Gibson /* 1113e57ca75cSDavid Gibson * HTAB is controlled by KVM. Fetch into temporary buffer 1114e57ca75cSDavid Gibson */ 1115e57ca75cSDavid Gibson ppc_hash_pte64_t *hptes = g_malloc(n * HASH_PTE_SIZE_64); 1116e57ca75cSDavid Gibson kvmppc_read_hptes(hptes, ptex, n); 1117e57ca75cSDavid Gibson return hptes; 1118e57ca75cSDavid Gibson } 1119e57ca75cSDavid Gibson 1120e57ca75cSDavid Gibson /* 1121e57ca75cSDavid Gibson * HTAB is controlled by QEMU. Just point to the internally 1122e57ca75cSDavid Gibson * accessible PTEG. 1123e57ca75cSDavid Gibson */ 1124e57ca75cSDavid Gibson return (const ppc_hash_pte64_t *)(spapr->htab + pte_offset); 1125e57ca75cSDavid Gibson } 1126e57ca75cSDavid Gibson 1127e57ca75cSDavid Gibson static void spapr_unmap_hptes(PPCVirtualHypervisor *vhyp, 1128e57ca75cSDavid Gibson const ppc_hash_pte64_t *hptes, 1129e57ca75cSDavid Gibson hwaddr ptex, int n) 1130e57ca75cSDavid Gibson { 1131e57ca75cSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp); 1132e57ca75cSDavid Gibson 1133e57ca75cSDavid Gibson if (!spapr->htab) { 1134e57ca75cSDavid Gibson g_free((void *)hptes); 1135e57ca75cSDavid Gibson } 1136e57ca75cSDavid Gibson 1137e57ca75cSDavid Gibson /* Nothing to do for qemu managed HPT */ 1138e57ca75cSDavid Gibson } 1139e57ca75cSDavid Gibson 1140e57ca75cSDavid Gibson static void spapr_store_hpte(PPCVirtualHypervisor *vhyp, hwaddr ptex, 1141e57ca75cSDavid Gibson uint64_t pte0, uint64_t pte1) 1142e57ca75cSDavid Gibson { 1143e57ca75cSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp); 1144e57ca75cSDavid Gibson hwaddr offset = ptex * HASH_PTE_SIZE_64; 1145e57ca75cSDavid Gibson 1146e57ca75cSDavid Gibson if (!spapr->htab) { 1147e57ca75cSDavid Gibson kvmppc_write_hpte(ptex, pte0, pte1); 1148e57ca75cSDavid Gibson } else { 1149e57ca75cSDavid Gibson stq_p(spapr->htab + offset, pte0); 1150e57ca75cSDavid Gibson stq_p(spapr->htab + offset + HASH_PTE_SIZE_64 / 2, pte1); 1151e57ca75cSDavid Gibson } 1152e57ca75cSDavid Gibson } 1153e57ca75cSDavid Gibson 11548dfe8e7fSDavid Gibson static int spapr_hpt_shift_for_ramsize(uint64_t ramsize) 11558dfe8e7fSDavid Gibson { 11568dfe8e7fSDavid Gibson int shift; 11578dfe8e7fSDavid Gibson 11588dfe8e7fSDavid Gibson /* We aim for a hash table of size 1/128 the size of RAM (rounded 11598dfe8e7fSDavid Gibson * up). The PAPR recommendation is actually 1/64 of RAM size, but 11608dfe8e7fSDavid Gibson * that's much more than is needed for Linux guests */ 11618dfe8e7fSDavid Gibson shift = ctz64(pow2ceil(ramsize)) - 7; 11628dfe8e7fSDavid Gibson shift = MAX(shift, 18); /* Minimum architected size */ 11638dfe8e7fSDavid Gibson shift = MIN(shift, 46); /* Maximum architected size */ 11648dfe8e7fSDavid Gibson return shift; 11658dfe8e7fSDavid Gibson } 11668dfe8e7fSDavid Gibson 1167c5f54f3eSDavid Gibson static void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift, 1168c5f54f3eSDavid Gibson Error **errp) 116953018216SPaolo Bonzini { 1170c5f54f3eSDavid Gibson long rc; 117153018216SPaolo Bonzini 1172c5f54f3eSDavid Gibson /* Clean up any HPT info from a previous boot */ 1173c5f54f3eSDavid Gibson g_free(spapr->htab); 1174c5f54f3eSDavid Gibson spapr->htab = NULL; 1175c5f54f3eSDavid Gibson spapr->htab_shift = 0; 1176c5f54f3eSDavid Gibson close_htab_fd(spapr); 117753018216SPaolo Bonzini 1178c5f54f3eSDavid Gibson rc = kvmppc_reset_htab(shift); 1179c5f54f3eSDavid Gibson if (rc < 0) { 1180c5f54f3eSDavid Gibson /* kernel-side HPT needed, but couldn't allocate one */ 1181c5f54f3eSDavid Gibson error_setg_errno(errp, errno, 1182c5f54f3eSDavid Gibson "Failed to allocate KVM HPT of order %d (try smaller maxmem?)", 1183c5f54f3eSDavid Gibson shift); 1184c5f54f3eSDavid Gibson /* This is almost certainly fatal, but if the caller really 1185c5f54f3eSDavid Gibson * wants to carry on with shift == 0, it's welcome to try */ 1186c5f54f3eSDavid Gibson } else if (rc > 0) { 1187c5f54f3eSDavid Gibson /* kernel-side HPT allocated */ 1188c5f54f3eSDavid Gibson if (rc != shift) { 1189c5f54f3eSDavid Gibson error_setg(errp, 1190c5f54f3eSDavid Gibson "Requested order %d HPT, but kernel allocated order %ld (try smaller maxmem?)", 1191c5f54f3eSDavid Gibson shift, rc); 11927735fedaSBharata B Rao } 11937735fedaSBharata B Rao 119453018216SPaolo Bonzini spapr->htab_shift = shift; 1195c18ad9a5SDavid Gibson spapr->htab = NULL; 1196b817772aSBharata B Rao } else { 1197c5f54f3eSDavid Gibson /* kernel-side HPT not needed, allocate in userspace instead */ 1198c5f54f3eSDavid Gibson size_t size = 1ULL << shift; 1199c5f54f3eSDavid Gibson int i; 120001a57972SSamuel Mendoza-Jonas 1201c5f54f3eSDavid Gibson spapr->htab = qemu_memalign(size, size); 1202c5f54f3eSDavid Gibson if (!spapr->htab) { 1203c5f54f3eSDavid Gibson error_setg_errno(errp, errno, 1204c5f54f3eSDavid Gibson "Could not allocate HPT of order %d", shift); 1205c5f54f3eSDavid Gibson return; 1206b817772aSBharata B Rao } 1207b817772aSBharata B Rao 1208c5f54f3eSDavid Gibson memset(spapr->htab, 0, size); 1209c5f54f3eSDavid Gibson spapr->htab_shift = shift; 1210b817772aSBharata B Rao 1211c5f54f3eSDavid Gibson for (i = 0; i < size / HASH_PTE_SIZE_64; i++) { 1212c5f54f3eSDavid Gibson DIRTY_HPTE(HPTE(spapr->htab, i)); 12137735fedaSBharata B Rao } 121453018216SPaolo Bonzini } 121553018216SPaolo Bonzini } 121653018216SPaolo Bonzini 12174f01a637SDavid Gibson static void find_unknown_sysbus_device(SysBusDevice *sbdev, void *opaque) 12189e3f9733SAlexander Graf { 12199e3f9733SAlexander Graf bool matched = false; 12209e3f9733SAlexander Graf 12219e3f9733SAlexander Graf if (object_dynamic_cast(OBJECT(sbdev), TYPE_SPAPR_PCI_HOST_BRIDGE)) { 12229e3f9733SAlexander Graf matched = true; 12239e3f9733SAlexander Graf } 12249e3f9733SAlexander Graf 12259e3f9733SAlexander Graf if (!matched) { 12269e3f9733SAlexander Graf error_report("Device %s is not supported by this machine yet.", 12279e3f9733SAlexander Graf qdev_fw_name(DEVICE(sbdev))); 12289e3f9733SAlexander Graf exit(1); 12299e3f9733SAlexander Graf } 12309e3f9733SAlexander Graf } 12319e3f9733SAlexander Graf 123253018216SPaolo Bonzini static void ppc_spapr_reset(void) 123353018216SPaolo Bonzini { 1234c5f54f3eSDavid Gibson MachineState *machine = MACHINE(qdev_get_machine()); 1235c5f54f3eSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(machine); 1236182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 1237b7d1f77aSBenjamin Herrenschmidt uint32_t rtas_limit; 1238cae172abSDavid Gibson hwaddr rtas_addr, fdt_addr; 1239997b6cfcSDavid Gibson void *fdt; 1240997b6cfcSDavid Gibson int rc; 1241259186a7SAndreas Färber 12429e3f9733SAlexander Graf /* Check for unknown sysbus devices */ 12439e3f9733SAlexander Graf foreach_dynamic_sysbus_device(find_unknown_sysbus_device, NULL); 12449e3f9733SAlexander Graf 1245c5f54f3eSDavid Gibson /* Allocate and/or reset the hash page table */ 1246c5f54f3eSDavid Gibson spapr_reallocate_hpt(spapr, 1247c5f54f3eSDavid Gibson spapr_hpt_shift_for_ramsize(machine->maxram_size), 1248c5f54f3eSDavid Gibson &error_fatal); 1249c5f54f3eSDavid Gibson 1250c5f54f3eSDavid Gibson /* Update the RMA size if necessary */ 1251c5f54f3eSDavid Gibson if (spapr->vrma_adjust) { 1252c5f54f3eSDavid Gibson spapr->rma_size = kvmppc_rma_size(spapr_node0_size(), 1253c5f54f3eSDavid Gibson spapr->htab_shift); 1254c5f54f3eSDavid Gibson } 125553018216SPaolo Bonzini 125653018216SPaolo Bonzini qemu_devices_reset(); 125753018216SPaolo Bonzini 1258b7d1f77aSBenjamin Herrenschmidt /* 1259b7d1f77aSBenjamin Herrenschmidt * We place the device tree and RTAS just below either the top of the RMA, 1260b7d1f77aSBenjamin Herrenschmidt * or just below 2GB, whichever is lowere, so that it can be 1261b7d1f77aSBenjamin Herrenschmidt * processed with 32-bit real mode code if necessary 1262b7d1f77aSBenjamin Herrenschmidt */ 1263b7d1f77aSBenjamin Herrenschmidt rtas_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR); 1264cae172abSDavid Gibson rtas_addr = rtas_limit - RTAS_MAX_SIZE; 1265cae172abSDavid Gibson fdt_addr = rtas_addr - FDT_MAX_SIZE; 1266b7d1f77aSBenjamin Herrenschmidt 12676787d27bSMichael Roth /* if this reset wasn't generated by CAS, we should reset our 12686787d27bSMichael Roth * negotiated options and start from scratch */ 12696787d27bSMichael Roth if (!spapr->cas_reboot) { 12706787d27bSMichael Roth spapr_ovec_cleanup(spapr->ov5_cas); 12716787d27bSMichael Roth spapr->ov5_cas = spapr_ovec_new(); 12726787d27bSMichael Roth } 12736787d27bSMichael Roth 1274cae172abSDavid Gibson fdt = spapr_build_fdt(spapr, rtas_addr, spapr->rtas_size); 127553018216SPaolo Bonzini 12762cac78c1SDavid Gibson spapr_load_rtas(spapr, fdt, rtas_addr); 1277b7d1f77aSBenjamin Herrenschmidt 1278997b6cfcSDavid Gibson rc = fdt_pack(fdt); 1279997b6cfcSDavid Gibson 1280997b6cfcSDavid Gibson /* Should only fail if we've built a corrupted tree */ 1281997b6cfcSDavid Gibson assert(rc == 0); 1282997b6cfcSDavid Gibson 1283997b6cfcSDavid Gibson if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 1284997b6cfcSDavid Gibson error_report("FDT too big ! 0x%x bytes (max is 0x%x)", 1285997b6cfcSDavid Gibson fdt_totalsize(fdt), FDT_MAX_SIZE); 1286997b6cfcSDavid Gibson exit(1); 1287997b6cfcSDavid Gibson } 1288997b6cfcSDavid Gibson 1289997b6cfcSDavid Gibson /* Load the fdt */ 1290997b6cfcSDavid Gibson qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); 1291cae172abSDavid Gibson cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 1292997b6cfcSDavid Gibson g_free(fdt); 1293997b6cfcSDavid Gibson 129453018216SPaolo Bonzini /* Set up the entry state */ 1295182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 1296cae172abSDavid Gibson first_ppc_cpu->env.gpr[3] = fdt_addr; 1297182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 1298182735efSAndreas Färber first_cpu->halted = 0; 12991b718907SDavid Gibson first_ppc_cpu->env.nip = SPAPR_ENTRY_POINT; 130053018216SPaolo Bonzini 13016787d27bSMichael Roth spapr->cas_reboot = false; 130253018216SPaolo Bonzini } 130353018216SPaolo Bonzini 130428e02042SDavid Gibson static void spapr_create_nvram(sPAPRMachineState *spapr) 130553018216SPaolo Bonzini { 13062ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 13073978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 130853018216SPaolo Bonzini 13093978b863SPaolo Bonzini if (dinfo) { 13106231a6daSMarkus Armbruster qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(dinfo), 13116231a6daSMarkus Armbruster &error_fatal); 131253018216SPaolo Bonzini } 131353018216SPaolo Bonzini 131453018216SPaolo Bonzini qdev_init_nofail(dev); 131553018216SPaolo Bonzini 131653018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 131753018216SPaolo Bonzini } 131853018216SPaolo Bonzini 131928e02042SDavid Gibson static void spapr_rtc_create(sPAPRMachineState *spapr) 132028df36a1SDavid Gibson { 132128df36a1SDavid Gibson DeviceState *dev = qdev_create(NULL, TYPE_SPAPR_RTC); 132228df36a1SDavid Gibson 132328df36a1SDavid Gibson qdev_init_nofail(dev); 132428df36a1SDavid Gibson spapr->rtc = dev; 132574e5ae28SDavid Gibson 132674e5ae28SDavid Gibson object_property_add_alias(qdev_get_machine(), "rtc-time", 132774e5ae28SDavid Gibson OBJECT(spapr->rtc), "date", NULL); 132828df36a1SDavid Gibson } 132928df36a1SDavid Gibson 133053018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 133114c6a894SDavid Gibson static bool spapr_vga_init(PCIBus *pci_bus, Error **errp) 133253018216SPaolo Bonzini { 133353018216SPaolo Bonzini switch (vga_interface_type) { 133453018216SPaolo Bonzini case VGA_NONE: 13357effdaa3SMark Wu return false; 13367effdaa3SMark Wu case VGA_DEVICE: 13377effdaa3SMark Wu return true; 133853018216SPaolo Bonzini case VGA_STD: 1339b798c190SBenjamin Herrenschmidt case VGA_VIRTIO: 134053018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 134153018216SPaolo Bonzini default: 134214c6a894SDavid Gibson error_setg(errp, 134314c6a894SDavid Gibson "Unsupported VGA mode, only -vga std or -vga virtio is supported"); 134414c6a894SDavid Gibson return false; 134553018216SPaolo Bonzini } 134653018216SPaolo Bonzini } 134753018216SPaolo Bonzini 1348880ae7deSDavid Gibson static int spapr_post_load(void *opaque, int version_id) 1349880ae7deSDavid Gibson { 135028e02042SDavid Gibson sPAPRMachineState *spapr = (sPAPRMachineState *)opaque; 1351880ae7deSDavid Gibson int err = 0; 1352880ae7deSDavid Gibson 1353631b22eaSStefan Weil /* In earlier versions, there was no separate qdev for the PAPR 1354880ae7deSDavid Gibson * RTC, so the RTC offset was stored directly in sPAPREnvironment. 1355880ae7deSDavid Gibson * So when migrating from those versions, poke the incoming offset 1356880ae7deSDavid Gibson * value into the RTC device */ 1357880ae7deSDavid Gibson if (version_id < 3) { 1358880ae7deSDavid Gibson err = spapr_rtc_import_offset(spapr->rtc, spapr->rtc_offset); 1359880ae7deSDavid Gibson } 1360880ae7deSDavid Gibson 1361880ae7deSDavid Gibson return err; 1362880ae7deSDavid Gibson } 1363880ae7deSDavid Gibson 1364880ae7deSDavid Gibson static bool version_before_3(void *opaque, int version_id) 1365880ae7deSDavid Gibson { 1366880ae7deSDavid Gibson return version_id < 3; 1367880ae7deSDavid Gibson } 1368880ae7deSDavid Gibson 136962ef3760SMichael Roth static bool spapr_ov5_cas_needed(void *opaque) 137062ef3760SMichael Roth { 137162ef3760SMichael Roth sPAPRMachineState *spapr = opaque; 137262ef3760SMichael Roth sPAPROptionVector *ov5_mask = spapr_ovec_new(); 137362ef3760SMichael Roth sPAPROptionVector *ov5_legacy = spapr_ovec_new(); 137462ef3760SMichael Roth sPAPROptionVector *ov5_removed = spapr_ovec_new(); 137562ef3760SMichael Roth bool cas_needed; 137662ef3760SMichael Roth 137762ef3760SMichael Roth /* Prior to the introduction of sPAPROptionVector, we had two option 137862ef3760SMichael Roth * vectors we dealt with: OV5_FORM1_AFFINITY, and OV5_DRCONF_MEMORY. 137962ef3760SMichael Roth * Both of these options encode machine topology into the device-tree 138062ef3760SMichael Roth * in such a way that the now-booted OS should still be able to interact 138162ef3760SMichael Roth * appropriately with QEMU regardless of what options were actually 138262ef3760SMichael Roth * negotiatied on the source side. 138362ef3760SMichael Roth * 138462ef3760SMichael Roth * As such, we can avoid migrating the CAS-negotiated options if these 138562ef3760SMichael Roth * are the only options available on the current machine/platform. 138662ef3760SMichael Roth * Since these are the only options available for pseries-2.7 and 138762ef3760SMichael Roth * earlier, this allows us to maintain old->new/new->old migration 138862ef3760SMichael Roth * compatibility. 138962ef3760SMichael Roth * 139062ef3760SMichael Roth * For QEMU 2.8+, there are additional CAS-negotiatable options available 139162ef3760SMichael Roth * via default pseries-2.8 machines and explicit command-line parameters. 139262ef3760SMichael Roth * Some of these options, like OV5_HP_EVT, *do* require QEMU to be aware 139362ef3760SMichael Roth * of the actual CAS-negotiated values to continue working properly. For 139462ef3760SMichael Roth * example, availability of memory unplug depends on knowing whether 139562ef3760SMichael Roth * OV5_HP_EVT was negotiated via CAS. 139662ef3760SMichael Roth * 139762ef3760SMichael Roth * Thus, for any cases where the set of available CAS-negotiatable 139862ef3760SMichael Roth * options extends beyond OV5_FORM1_AFFINITY and OV5_DRCONF_MEMORY, we 139962ef3760SMichael Roth * include the CAS-negotiated options in the migration stream. 140062ef3760SMichael Roth */ 140162ef3760SMichael Roth spapr_ovec_set(ov5_mask, OV5_FORM1_AFFINITY); 140262ef3760SMichael Roth spapr_ovec_set(ov5_mask, OV5_DRCONF_MEMORY); 140362ef3760SMichael Roth 140462ef3760SMichael Roth /* spapr_ovec_diff returns true if bits were removed. we avoid using 140562ef3760SMichael Roth * the mask itself since in the future it's possible "legacy" bits may be 140662ef3760SMichael Roth * removed via machine options, which could generate a false positive 140762ef3760SMichael Roth * that breaks migration. 140862ef3760SMichael Roth */ 140962ef3760SMichael Roth spapr_ovec_intersect(ov5_legacy, spapr->ov5, ov5_mask); 141062ef3760SMichael Roth cas_needed = spapr_ovec_diff(ov5_removed, spapr->ov5, ov5_legacy); 141162ef3760SMichael Roth 141262ef3760SMichael Roth spapr_ovec_cleanup(ov5_mask); 141362ef3760SMichael Roth spapr_ovec_cleanup(ov5_legacy); 141462ef3760SMichael Roth spapr_ovec_cleanup(ov5_removed); 141562ef3760SMichael Roth 141662ef3760SMichael Roth return cas_needed; 141762ef3760SMichael Roth } 141862ef3760SMichael Roth 141962ef3760SMichael Roth static const VMStateDescription vmstate_spapr_ov5_cas = { 142062ef3760SMichael Roth .name = "spapr_option_vector_ov5_cas", 142162ef3760SMichael Roth .version_id = 1, 142262ef3760SMichael Roth .minimum_version_id = 1, 142362ef3760SMichael Roth .needed = spapr_ov5_cas_needed, 142462ef3760SMichael Roth .fields = (VMStateField[]) { 142562ef3760SMichael Roth VMSTATE_STRUCT_POINTER_V(ov5_cas, sPAPRMachineState, 1, 142662ef3760SMichael Roth vmstate_spapr_ovec, sPAPROptionVector), 142762ef3760SMichael Roth VMSTATE_END_OF_LIST() 142862ef3760SMichael Roth }, 142962ef3760SMichael Roth }; 143062ef3760SMichael Roth 14314be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 14324be21d56SDavid Gibson .name = "spapr", 1433880ae7deSDavid Gibson .version_id = 3, 14344be21d56SDavid Gibson .minimum_version_id = 1, 1435880ae7deSDavid Gibson .post_load = spapr_post_load, 14364be21d56SDavid Gibson .fields = (VMStateField[]) { 1437880ae7deSDavid Gibson /* used to be @next_irq */ 1438880ae7deSDavid Gibson VMSTATE_UNUSED_BUFFER(version_before_3, 0, 4), 14394be21d56SDavid Gibson 14404be21d56SDavid Gibson /* RTC offset */ 144128e02042SDavid Gibson VMSTATE_UINT64_TEST(rtc_offset, sPAPRMachineState, version_before_3), 1442880ae7deSDavid Gibson 144328e02042SDavid Gibson VMSTATE_PPC_TIMEBASE_V(tb, sPAPRMachineState, 2), 14444be21d56SDavid Gibson VMSTATE_END_OF_LIST() 14454be21d56SDavid Gibson }, 144662ef3760SMichael Roth .subsections = (const VMStateDescription*[]) { 144762ef3760SMichael Roth &vmstate_spapr_ov5_cas, 144862ef3760SMichael Roth NULL 144962ef3760SMichael Roth } 14504be21d56SDavid Gibson }; 14514be21d56SDavid Gibson 14524be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 14534be21d56SDavid Gibson { 145428e02042SDavid Gibson sPAPRMachineState *spapr = opaque; 14554be21d56SDavid Gibson 14564be21d56SDavid Gibson /* "Iteration" header */ 14574be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 14584be21d56SDavid Gibson 1459e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 1460e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 1461e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 1462e68cb8b4SAlexey Kardashevskiy } else { 1463e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 14644be21d56SDavid Gibson } 14654be21d56SDavid Gibson 1466e68cb8b4SAlexey Kardashevskiy 1467e68cb8b4SAlexey Kardashevskiy return 0; 1468e68cb8b4SAlexey Kardashevskiy } 14694be21d56SDavid Gibson 147028e02042SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPRMachineState *spapr, 14714be21d56SDavid Gibson int64_t max_ns) 14724be21d56SDavid Gibson { 1473378bc217SDavid Gibson bool has_timeout = max_ns != -1; 14744be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 14754be21d56SDavid Gibson int index = spapr->htab_save_index; 1476bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 14774be21d56SDavid Gibson 14784be21d56SDavid Gibson assert(spapr->htab_first_pass); 14794be21d56SDavid Gibson 14804be21d56SDavid Gibson do { 14814be21d56SDavid Gibson int chunkstart; 14824be21d56SDavid Gibson 14834be21d56SDavid Gibson /* Consume invalid HPTEs */ 14844be21d56SDavid Gibson while ((index < htabslots) 14854be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 14864be21d56SDavid Gibson index++; 14874be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 14884be21d56SDavid Gibson } 14894be21d56SDavid Gibson 14904be21d56SDavid Gibson /* Consume valid HPTEs */ 14914be21d56SDavid Gibson chunkstart = index; 1492338c25b6SSamuel Mendoza-Jonas while ((index < htabslots) && (index - chunkstart < USHRT_MAX) 14934be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 14944be21d56SDavid Gibson index++; 14954be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 14964be21d56SDavid Gibson } 14974be21d56SDavid Gibson 14984be21d56SDavid Gibson if (index > chunkstart) { 14994be21d56SDavid Gibson int n_valid = index - chunkstart; 15004be21d56SDavid Gibson 15014be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 15024be21d56SDavid Gibson qemu_put_be16(f, n_valid); 15034be21d56SDavid Gibson qemu_put_be16(f, 0); 15044be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 15054be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 15064be21d56SDavid Gibson 1507378bc217SDavid Gibson if (has_timeout && 1508378bc217SDavid Gibson (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 15094be21d56SDavid Gibson break; 15104be21d56SDavid Gibson } 15114be21d56SDavid Gibson } 15124be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 15134be21d56SDavid Gibson 15144be21d56SDavid Gibson if (index >= htabslots) { 15154be21d56SDavid Gibson assert(index == htabslots); 15164be21d56SDavid Gibson index = 0; 15174be21d56SDavid Gibson spapr->htab_first_pass = false; 15184be21d56SDavid Gibson } 15194be21d56SDavid Gibson spapr->htab_save_index = index; 15204be21d56SDavid Gibson } 15214be21d56SDavid Gibson 152228e02042SDavid Gibson static int htab_save_later_pass(QEMUFile *f, sPAPRMachineState *spapr, 15234be21d56SDavid Gibson int64_t max_ns) 15244be21d56SDavid Gibson { 15254be21d56SDavid Gibson bool final = max_ns < 0; 15264be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 15274be21d56SDavid Gibson int examined = 0, sent = 0; 15284be21d56SDavid Gibson int index = spapr->htab_save_index; 1529bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 15304be21d56SDavid Gibson 15314be21d56SDavid Gibson assert(!spapr->htab_first_pass); 15324be21d56SDavid Gibson 15334be21d56SDavid Gibson do { 15344be21d56SDavid Gibson int chunkstart, invalidstart; 15354be21d56SDavid Gibson 15364be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 15374be21d56SDavid Gibson while ((index < htabslots) 15384be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 15394be21d56SDavid Gibson index++; 15404be21d56SDavid Gibson examined++; 15414be21d56SDavid Gibson } 15424be21d56SDavid Gibson 15434be21d56SDavid Gibson chunkstart = index; 15444be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 1545338c25b6SSamuel Mendoza-Jonas while ((index < htabslots) && (index - chunkstart < USHRT_MAX) 15464be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 15474be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 15484be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 15494be21d56SDavid Gibson index++; 15504be21d56SDavid Gibson examined++; 15514be21d56SDavid Gibson } 15524be21d56SDavid Gibson 15534be21d56SDavid Gibson invalidstart = index; 15544be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 1555338c25b6SSamuel Mendoza-Jonas while ((index < htabslots) && (index - invalidstart < USHRT_MAX) 15564be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 15574be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 15584be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 15594be21d56SDavid Gibson index++; 15604be21d56SDavid Gibson examined++; 15614be21d56SDavid Gibson } 15624be21d56SDavid Gibson 15634be21d56SDavid Gibson if (index > chunkstart) { 15644be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 15654be21d56SDavid Gibson int n_invalid = index - invalidstart; 15664be21d56SDavid Gibson 15674be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 15684be21d56SDavid Gibson qemu_put_be16(f, n_valid); 15694be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 15704be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 15714be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 15724be21d56SDavid Gibson sent += index - chunkstart; 15734be21d56SDavid Gibson 1574bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 15754be21d56SDavid Gibson break; 15764be21d56SDavid Gibson } 15774be21d56SDavid Gibson } 15784be21d56SDavid Gibson 15794be21d56SDavid Gibson if (examined >= htabslots) { 15804be21d56SDavid Gibson break; 15814be21d56SDavid Gibson } 15824be21d56SDavid Gibson 15834be21d56SDavid Gibson if (index >= htabslots) { 15844be21d56SDavid Gibson assert(index == htabslots); 15854be21d56SDavid Gibson index = 0; 15864be21d56SDavid Gibson } 15874be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 15884be21d56SDavid Gibson 15894be21d56SDavid Gibson if (index >= htabslots) { 15904be21d56SDavid Gibson assert(index == htabslots); 15914be21d56SDavid Gibson index = 0; 15924be21d56SDavid Gibson } 15934be21d56SDavid Gibson 15944be21d56SDavid Gibson spapr->htab_save_index = index; 15954be21d56SDavid Gibson 1596e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 15974be21d56SDavid Gibson } 15984be21d56SDavid Gibson 1599e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 1600e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 1601e68cb8b4SAlexey Kardashevskiy 16024be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 16034be21d56SDavid Gibson { 160428e02042SDavid Gibson sPAPRMachineState *spapr = opaque; 1605715c5407SDavid Gibson int fd; 1606e68cb8b4SAlexey Kardashevskiy int rc = 0; 16074be21d56SDavid Gibson 16084be21d56SDavid Gibson /* Iteration header */ 16094be21d56SDavid Gibson qemu_put_be32(f, 0); 16104be21d56SDavid Gibson 1611e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1612e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1613e68cb8b4SAlexey Kardashevskiy 1614715c5407SDavid Gibson fd = get_htab_fd(spapr); 1615715c5407SDavid Gibson if (fd < 0) { 1616715c5407SDavid Gibson return fd; 161701a57972SSamuel Mendoza-Jonas } 161801a57972SSamuel Mendoza-Jonas 1619715c5407SDavid Gibson rc = kvmppc_save_htab(f, fd, MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1620e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1621e68cb8b4SAlexey Kardashevskiy return rc; 1622e68cb8b4SAlexey Kardashevskiy } 1623e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 16244be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 16254be21d56SDavid Gibson } else { 1626e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 16274be21d56SDavid Gibson } 16284be21d56SDavid Gibson 16294be21d56SDavid Gibson /* End marker */ 16304be21d56SDavid Gibson qemu_put_be32(f, 0); 16314be21d56SDavid Gibson qemu_put_be16(f, 0); 16324be21d56SDavid Gibson qemu_put_be16(f, 0); 16334be21d56SDavid Gibson 1634e68cb8b4SAlexey Kardashevskiy return rc; 16354be21d56SDavid Gibson } 16364be21d56SDavid Gibson 16374be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 16384be21d56SDavid Gibson { 163928e02042SDavid Gibson sPAPRMachineState *spapr = opaque; 1640715c5407SDavid Gibson int fd; 16414be21d56SDavid Gibson 16424be21d56SDavid Gibson /* Iteration header */ 16434be21d56SDavid Gibson qemu_put_be32(f, 0); 16444be21d56SDavid Gibson 1645e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1646e68cb8b4SAlexey Kardashevskiy int rc; 1647e68cb8b4SAlexey Kardashevskiy 1648e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1649e68cb8b4SAlexey Kardashevskiy 1650715c5407SDavid Gibson fd = get_htab_fd(spapr); 1651715c5407SDavid Gibson if (fd < 0) { 1652715c5407SDavid Gibson return fd; 165301a57972SSamuel Mendoza-Jonas } 165401a57972SSamuel Mendoza-Jonas 1655715c5407SDavid Gibson rc = kvmppc_save_htab(f, fd, MAX_KVM_BUF_SIZE, -1); 1656e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1657e68cb8b4SAlexey Kardashevskiy return rc; 1658e68cb8b4SAlexey Kardashevskiy } 1659e68cb8b4SAlexey Kardashevskiy } else { 1660378bc217SDavid Gibson if (spapr->htab_first_pass) { 1661378bc217SDavid Gibson htab_save_first_pass(f, spapr, -1); 1662378bc217SDavid Gibson } 16634be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1664e68cb8b4SAlexey Kardashevskiy } 16654be21d56SDavid Gibson 16664be21d56SDavid Gibson /* End marker */ 16674be21d56SDavid Gibson qemu_put_be32(f, 0); 16684be21d56SDavid Gibson qemu_put_be16(f, 0); 16694be21d56SDavid Gibson qemu_put_be16(f, 0); 16704be21d56SDavid Gibson 16714be21d56SDavid Gibson return 0; 16724be21d56SDavid Gibson } 16734be21d56SDavid Gibson 16744be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 16754be21d56SDavid Gibson { 167628e02042SDavid Gibson sPAPRMachineState *spapr = opaque; 16774be21d56SDavid Gibson uint32_t section_hdr; 1678e68cb8b4SAlexey Kardashevskiy int fd = -1; 16794be21d56SDavid Gibson 16804be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 168198a5d100SDavid Gibson error_report("htab_load() bad version"); 16824be21d56SDavid Gibson return -EINVAL; 16834be21d56SDavid Gibson } 16844be21d56SDavid Gibson 16854be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 16864be21d56SDavid Gibson 16874be21d56SDavid Gibson if (section_hdr) { 16889897e462SGreg Kurz Error *local_err = NULL; 1689c5f54f3eSDavid Gibson 1690c5f54f3eSDavid Gibson /* First section gives the htab size */ 1691c5f54f3eSDavid Gibson spapr_reallocate_hpt(spapr, section_hdr, &local_err); 1692c5f54f3eSDavid Gibson if (local_err) { 1693c5f54f3eSDavid Gibson error_report_err(local_err); 16944be21d56SDavid Gibson return -EINVAL; 16954be21d56SDavid Gibson } 16964be21d56SDavid Gibson return 0; 16974be21d56SDavid Gibson } 16984be21d56SDavid Gibson 1699e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1700e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1701e68cb8b4SAlexey Kardashevskiy 1702e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1703e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 170498a5d100SDavid Gibson error_report("Unable to open fd to restore KVM hash table: %s", 1705e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1706e68cb8b4SAlexey Kardashevskiy } 1707e68cb8b4SAlexey Kardashevskiy } 1708e68cb8b4SAlexey Kardashevskiy 17094be21d56SDavid Gibson while (true) { 17104be21d56SDavid Gibson uint32_t index; 17114be21d56SDavid Gibson uint16_t n_valid, n_invalid; 17124be21d56SDavid Gibson 17134be21d56SDavid Gibson index = qemu_get_be32(f); 17144be21d56SDavid Gibson n_valid = qemu_get_be16(f); 17154be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 17164be21d56SDavid Gibson 17174be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 17184be21d56SDavid Gibson /* End of Stream */ 17194be21d56SDavid Gibson break; 17204be21d56SDavid Gibson } 17214be21d56SDavid Gibson 1722e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 17234be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 17244be21d56SDavid Gibson /* Bad index in stream */ 172598a5d100SDavid Gibson error_report( 172698a5d100SDavid Gibson "htab_load() bad index %d (%hd+%hd entries) in htab stream (htab_shift=%d)", 172798a5d100SDavid Gibson index, n_valid, n_invalid, spapr->htab_shift); 17284be21d56SDavid Gibson return -EINVAL; 17294be21d56SDavid Gibson } 17304be21d56SDavid Gibson 1731e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 17324be21d56SDavid Gibson if (n_valid) { 17334be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 17344be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 17354be21d56SDavid Gibson } 17364be21d56SDavid Gibson if (n_invalid) { 17374be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 17384be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 17394be21d56SDavid Gibson } 1740e68cb8b4SAlexey Kardashevskiy } else { 1741e68cb8b4SAlexey Kardashevskiy int rc; 1742e68cb8b4SAlexey Kardashevskiy 1743e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1744e68cb8b4SAlexey Kardashevskiy 1745e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1746e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1747e68cb8b4SAlexey Kardashevskiy return rc; 1748e68cb8b4SAlexey Kardashevskiy } 1749e68cb8b4SAlexey Kardashevskiy } 1750e68cb8b4SAlexey Kardashevskiy } 1751e68cb8b4SAlexey Kardashevskiy 1752e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1753e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1754e68cb8b4SAlexey Kardashevskiy close(fd); 17554be21d56SDavid Gibson } 17564be21d56SDavid Gibson 17574be21d56SDavid Gibson return 0; 17584be21d56SDavid Gibson } 17594be21d56SDavid Gibson 1760c573fc03SThomas Huth static void htab_cleanup(void *opaque) 1761c573fc03SThomas Huth { 1762c573fc03SThomas Huth sPAPRMachineState *spapr = opaque; 1763c573fc03SThomas Huth 1764c573fc03SThomas Huth close_htab_fd(spapr); 1765c573fc03SThomas Huth } 1766c573fc03SThomas Huth 17674be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 17684be21d56SDavid Gibson .save_live_setup = htab_save_setup, 17694be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 1770a3e06c3dSDr. David Alan Gilbert .save_live_complete_precopy = htab_save_complete, 1771c573fc03SThomas Huth .cleanup = htab_cleanup, 17724be21d56SDavid Gibson .load_state = htab_load, 17734be21d56SDavid Gibson }; 17744be21d56SDavid Gibson 17755b2128d2SAlexander Graf static void spapr_boot_set(void *opaque, const char *boot_device, 17765b2128d2SAlexander Graf Error **errp) 17775b2128d2SAlexander Graf { 17785b2128d2SAlexander Graf MachineState *machine = MACHINE(qdev_get_machine()); 17795b2128d2SAlexander Graf machine->boot_order = g_strdup(boot_device); 17805b2128d2SAlexander Graf } 17815b2128d2SAlexander Graf 1782224245bfSDavid Gibson /* 1783224245bfSDavid Gibson * Reset routine for LMB DR devices. 1784224245bfSDavid Gibson * 1785224245bfSDavid Gibson * Unlike PCI DR devices, LMB DR devices explicitly register this reset 1786224245bfSDavid Gibson * routine. Reset for PCI DR devices will be handled by PHB reset routine 1787224245bfSDavid Gibson * when it walks all its children devices. LMB devices reset occurs 1788224245bfSDavid Gibson * as part of spapr_ppc_reset(). 1789224245bfSDavid Gibson */ 1790224245bfSDavid Gibson static void spapr_drc_reset(void *opaque) 1791224245bfSDavid Gibson { 1792224245bfSDavid Gibson sPAPRDRConnector *drc = opaque; 1793224245bfSDavid Gibson DeviceState *d = DEVICE(drc); 1794224245bfSDavid Gibson 1795224245bfSDavid Gibson if (d) { 1796224245bfSDavid Gibson device_reset(d); 1797224245bfSDavid Gibson } 1798224245bfSDavid Gibson } 1799224245bfSDavid Gibson 1800224245bfSDavid Gibson static void spapr_create_lmb_dr_connectors(sPAPRMachineState *spapr) 1801224245bfSDavid Gibson { 1802224245bfSDavid Gibson MachineState *machine = MACHINE(spapr); 1803224245bfSDavid Gibson uint64_t lmb_size = SPAPR_MEMORY_BLOCK_SIZE; 1804e8f986fcSBharata B Rao uint32_t nr_lmbs = (machine->maxram_size - machine->ram_size)/lmb_size; 1805224245bfSDavid Gibson int i; 1806224245bfSDavid Gibson 1807224245bfSDavid Gibson for (i = 0; i < nr_lmbs; i++) { 1808224245bfSDavid Gibson sPAPRDRConnector *drc; 1809224245bfSDavid Gibson uint64_t addr; 1810224245bfSDavid Gibson 1811e8f986fcSBharata B Rao addr = i * lmb_size + spapr->hotplug_memory.base; 1812224245bfSDavid Gibson drc = spapr_dr_connector_new(OBJECT(spapr), SPAPR_DR_CONNECTOR_TYPE_LMB, 1813224245bfSDavid Gibson addr/lmb_size); 1814224245bfSDavid Gibson qemu_register_reset(spapr_drc_reset, drc); 1815224245bfSDavid Gibson } 1816224245bfSDavid Gibson } 1817224245bfSDavid Gibson 1818224245bfSDavid Gibson /* 1819224245bfSDavid Gibson * If RAM size, maxmem size and individual node mem sizes aren't aligned 1820224245bfSDavid Gibson * to SPAPR_MEMORY_BLOCK_SIZE(256MB), then refuse to start the guest 1821224245bfSDavid Gibson * since we can't support such unaligned sizes with DRCONF_MEMORY. 1822224245bfSDavid Gibson */ 18237c150d6fSDavid Gibson static void spapr_validate_node_memory(MachineState *machine, Error **errp) 1824224245bfSDavid Gibson { 1825224245bfSDavid Gibson int i; 1826224245bfSDavid Gibson 18277c150d6fSDavid Gibson if (machine->ram_size % SPAPR_MEMORY_BLOCK_SIZE) { 18287c150d6fSDavid Gibson error_setg(errp, "Memory size 0x" RAM_ADDR_FMT 18297c150d6fSDavid Gibson " is not aligned to %llu MiB", 18307c150d6fSDavid Gibson machine->ram_size, 1831224245bfSDavid Gibson SPAPR_MEMORY_BLOCK_SIZE / M_BYTE); 18327c150d6fSDavid Gibson return; 18337c150d6fSDavid Gibson } 18347c150d6fSDavid Gibson 18357c150d6fSDavid Gibson if (machine->maxram_size % SPAPR_MEMORY_BLOCK_SIZE) { 18367c150d6fSDavid Gibson error_setg(errp, "Maximum memory size 0x" RAM_ADDR_FMT 18377c150d6fSDavid Gibson " is not aligned to %llu MiB", 18387c150d6fSDavid Gibson machine->ram_size, 18397c150d6fSDavid Gibson SPAPR_MEMORY_BLOCK_SIZE / M_BYTE); 18407c150d6fSDavid Gibson return; 1841224245bfSDavid Gibson } 1842224245bfSDavid Gibson 1843224245bfSDavid Gibson for (i = 0; i < nb_numa_nodes; i++) { 1844224245bfSDavid Gibson if (numa_info[i].node_mem % SPAPR_MEMORY_BLOCK_SIZE) { 18457c150d6fSDavid Gibson error_setg(errp, 18467c150d6fSDavid Gibson "Node %d memory size 0x%" PRIx64 18477c150d6fSDavid Gibson " is not aligned to %llu MiB", 18487c150d6fSDavid Gibson i, numa_info[i].node_mem, 1849224245bfSDavid Gibson SPAPR_MEMORY_BLOCK_SIZE / M_BYTE); 18507c150d6fSDavid Gibson return; 1851224245bfSDavid Gibson } 1852224245bfSDavid Gibson } 1853224245bfSDavid Gibson } 1854224245bfSDavid Gibson 1855535455fdSIgor Mammedov /* find cpu slot in machine->possible_cpus by core_id */ 1856535455fdSIgor Mammedov static CPUArchId *spapr_find_cpu_slot(MachineState *ms, uint32_t id, int *idx) 1857535455fdSIgor Mammedov { 1858535455fdSIgor Mammedov int index = id / smp_threads; 1859535455fdSIgor Mammedov 1860535455fdSIgor Mammedov if (index >= ms->possible_cpus->len) { 1861535455fdSIgor Mammedov return NULL; 1862535455fdSIgor Mammedov } 1863535455fdSIgor Mammedov if (idx) { 1864535455fdSIgor Mammedov *idx = index; 1865535455fdSIgor Mammedov } 1866535455fdSIgor Mammedov return &ms->possible_cpus->cpus[index]; 1867535455fdSIgor Mammedov } 1868535455fdSIgor Mammedov 18690c86d0fdSDavid Gibson static void spapr_init_cpus(sPAPRMachineState *spapr) 18700c86d0fdSDavid Gibson { 18710c86d0fdSDavid Gibson MachineState *machine = MACHINE(spapr); 18720c86d0fdSDavid Gibson MachineClass *mc = MACHINE_GET_CLASS(machine); 18730c86d0fdSDavid Gibson char *type = spapr_get_cpu_core_type(machine->cpu_model); 18740c86d0fdSDavid Gibson int smt = kvmppc_smt_threads(); 1875535455fdSIgor Mammedov const CPUArchIdList *possible_cpus; 1876535455fdSIgor Mammedov int boot_cores_nr = smp_cpus / smp_threads; 18770c86d0fdSDavid Gibson int i; 18780c86d0fdSDavid Gibson 18790c86d0fdSDavid Gibson if (!type) { 18800c86d0fdSDavid Gibson error_report("Unable to find sPAPR CPU Core definition"); 18810c86d0fdSDavid Gibson exit(1); 18820c86d0fdSDavid Gibson } 18830c86d0fdSDavid Gibson 1884535455fdSIgor Mammedov possible_cpus = mc->possible_cpu_arch_ids(machine); 1885c5514d0eSIgor Mammedov if (mc->has_hotpluggable_cpus) { 18860c86d0fdSDavid Gibson if (smp_cpus % smp_threads) { 18870c86d0fdSDavid Gibson error_report("smp_cpus (%u) must be multiple of threads (%u)", 18880c86d0fdSDavid Gibson smp_cpus, smp_threads); 18890c86d0fdSDavid Gibson exit(1); 18900c86d0fdSDavid Gibson } 18910c86d0fdSDavid Gibson if (max_cpus % smp_threads) { 18920c86d0fdSDavid Gibson error_report("max_cpus (%u) must be multiple of threads (%u)", 18930c86d0fdSDavid Gibson max_cpus, smp_threads); 18940c86d0fdSDavid Gibson exit(1); 18950c86d0fdSDavid Gibson } 18960c86d0fdSDavid Gibson } else { 18970c86d0fdSDavid Gibson if (max_cpus != smp_cpus) { 18980c86d0fdSDavid Gibson error_report("This machine version does not support CPU hotplug"); 18990c86d0fdSDavid Gibson exit(1); 19000c86d0fdSDavid Gibson } 1901535455fdSIgor Mammedov boot_cores_nr = possible_cpus->len; 19020c86d0fdSDavid Gibson } 19030c86d0fdSDavid Gibson 1904535455fdSIgor Mammedov for (i = 0; i < possible_cpus->len; i++) { 19050c86d0fdSDavid Gibson int core_id = i * smp_threads; 19060c86d0fdSDavid Gibson 1907c5514d0eSIgor Mammedov if (mc->has_hotpluggable_cpus) { 19080c86d0fdSDavid Gibson sPAPRDRConnector *drc = 19090c86d0fdSDavid Gibson spapr_dr_connector_new(OBJECT(spapr), 19100c86d0fdSDavid Gibson SPAPR_DR_CONNECTOR_TYPE_CPU, 19110c86d0fdSDavid Gibson (core_id / smp_threads) * smt); 19120c86d0fdSDavid Gibson 19130c86d0fdSDavid Gibson qemu_register_reset(spapr_drc_reset, drc); 19140c86d0fdSDavid Gibson } 19150c86d0fdSDavid Gibson 1916535455fdSIgor Mammedov if (i < boot_cores_nr) { 19170c86d0fdSDavid Gibson Object *core = object_new(type); 19180c86d0fdSDavid Gibson int nr_threads = smp_threads; 19190c86d0fdSDavid Gibson 19200c86d0fdSDavid Gibson /* Handle the partially filled core for older machine types */ 19210c86d0fdSDavid Gibson if ((i + 1) * smp_threads >= smp_cpus) { 19220c86d0fdSDavid Gibson nr_threads = smp_cpus - i * smp_threads; 19230c86d0fdSDavid Gibson } 19240c86d0fdSDavid Gibson 19250c86d0fdSDavid Gibson object_property_set_int(core, nr_threads, "nr-threads", 19260c86d0fdSDavid Gibson &error_fatal); 19270c86d0fdSDavid Gibson object_property_set_int(core, core_id, CPU_CORE_PROP_CORE_ID, 19280c86d0fdSDavid Gibson &error_fatal); 19290c86d0fdSDavid Gibson object_property_set_bool(core, true, "realized", &error_fatal); 19300c86d0fdSDavid Gibson } 19310c86d0fdSDavid Gibson } 19320c86d0fdSDavid Gibson g_free(type); 19330c86d0fdSDavid Gibson } 19340c86d0fdSDavid Gibson 193553018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 19363ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 193753018216SPaolo Bonzini { 193828e02042SDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(machine); 1939224245bfSDavid Gibson sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); 19403ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 19413ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 194253018216SPaolo Bonzini PCIHostState *phb; 194353018216SPaolo Bonzini int i; 194453018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 194553018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 1946658fa66bSAlexey Kardashevskiy MemoryRegion *rma_region; 1947658fa66bSAlexey Kardashevskiy void *rma = NULL; 194853018216SPaolo Bonzini hwaddr rma_alloc_size; 1949b082d65aSAlexey Kardashevskiy hwaddr node0_size = spapr_node0_size(); 1950b7d1f77aSBenjamin Herrenschmidt long load_limit, fw_size; 195153018216SPaolo Bonzini char *filename; 195294a94e4cSBharata B Rao int smt = kvmppc_smt_threads(); 195353018216SPaolo Bonzini 1954226419d6SMichael S. Tsirkin msi_nonbroken = true; 195553018216SPaolo Bonzini 195653018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 195753018216SPaolo Bonzini 195853018216SPaolo Bonzini /* Allocate RMA if necessary */ 1959658fa66bSAlexey Kardashevskiy rma_alloc_size = kvmppc_alloc_rma(&rma); 196053018216SPaolo Bonzini 196153018216SPaolo Bonzini if (rma_alloc_size == -1) { 1962730fce59SThomas Huth error_report("Unable to create RMA"); 196353018216SPaolo Bonzini exit(1); 196453018216SPaolo Bonzini } 196553018216SPaolo Bonzini 1966c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 196753018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 196853018216SPaolo Bonzini } else { 1969c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 197053018216SPaolo Bonzini 197153018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 197253018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 197353018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 197453018216SPaolo Bonzini * 197553018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 197653018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 197753018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 197853018216SPaolo Bonzini * isn't determined yet. 197953018216SPaolo Bonzini */ 198053018216SPaolo Bonzini if (kvm_enabled()) { 198153018216SPaolo Bonzini spapr->vrma_adjust = 1; 198253018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 198353018216SPaolo Bonzini } 1984912acdf4SBenjamin Herrenschmidt 1985912acdf4SBenjamin Herrenschmidt /* Actually we don't support unbounded RMA anymore since we 1986912acdf4SBenjamin Herrenschmidt * added proper emulation of HV mode. The max we can get is 1987912acdf4SBenjamin Herrenschmidt * 16G which also happens to be what we configure for PAPR 1988912acdf4SBenjamin Herrenschmidt * mode so make sure we don't do anything bigger than that 1989912acdf4SBenjamin Herrenschmidt */ 1990912acdf4SBenjamin Herrenschmidt spapr->rma_size = MIN(spapr->rma_size, 0x400000000ull); 199153018216SPaolo Bonzini } 199253018216SPaolo Bonzini 1993c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1994d54e4d76SDavid Gibson error_report("Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")", 1995c4177479SAlexey Kardashevskiy spapr->rma_size); 1996c4177479SAlexey Kardashevskiy exit(1); 1997c4177479SAlexey Kardashevskiy } 1998c4177479SAlexey Kardashevskiy 1999b7d1f77aSBenjamin Herrenschmidt /* Setup a load limit for the ramdisk leaving room for SLOF and FDT */ 2000b7d1f77aSBenjamin Herrenschmidt load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD; 200153018216SPaolo Bonzini 20027b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 200327f24582SBenjamin Herrenschmidt spapr->xics = xics_system_init(machine, 200494a94e4cSBharata B Rao DIV_ROUND_UP(max_cpus * smt, smp_threads), 2005161deaf2SBenjamin Herrenschmidt XICS_IRQS_SPAPR, &error_fatal); 20067b565160SDavid Gibson 2007facdb8b6SMichael Roth /* Set up containers for ibm,client-set-architecture negotiated options */ 2008facdb8b6SMichael Roth spapr->ov5 = spapr_ovec_new(); 2009facdb8b6SMichael Roth spapr->ov5_cas = spapr_ovec_new(); 2010facdb8b6SMichael Roth 2011224245bfSDavid Gibson if (smc->dr_lmb_enabled) { 2012facdb8b6SMichael Roth spapr_ovec_set(spapr->ov5, OV5_DRCONF_MEMORY); 20137c150d6fSDavid Gibson spapr_validate_node_memory(machine, &error_fatal); 2014224245bfSDavid Gibson } 2015224245bfSDavid Gibson 2016417ece33SMichael Roth spapr_ovec_set(spapr->ov5, OV5_FORM1_AFFINITY); 2017417ece33SMichael Roth 2018ffbb1705SMichael Roth /* advertise support for dedicated HP event source to guests */ 2019ffbb1705SMichael Roth if (spapr->use_hotplug_event_source) { 2020ffbb1705SMichael Roth spapr_ovec_set(spapr->ov5, OV5_HP_EVT); 2021ffbb1705SMichael Roth } 2022ffbb1705SMichael Roth 202353018216SPaolo Bonzini /* init CPUs */ 202419fb2c36SBharata B Rao if (machine->cpu_model == NULL) { 20253daa4a9fSThomas Huth machine->cpu_model = kvm_enabled() ? "host" : smc->tcg_default_cpu; 202653018216SPaolo Bonzini } 202794a94e4cSBharata B Rao 2028e703d2f7SGreg Kurz ppc_cpu_parse_features(machine->cpu_model); 2029e703d2f7SGreg Kurz 20300c86d0fdSDavid Gibson spapr_init_cpus(spapr); 203153018216SPaolo Bonzini 2032026bfd89SDavid Gibson if (kvm_enabled()) { 2033026bfd89SDavid Gibson /* Enable H_LOGICAL_CI_* so SLOF can talk to in-kernel devices */ 2034026bfd89SDavid Gibson kvmppc_enable_logical_ci_hcalls(); 2035ef9971ddSAlexey Kardashevskiy kvmppc_enable_set_mode_hcall(); 20365145ad4fSNathan Whitehorn 20375145ad4fSNathan Whitehorn /* H_CLEAR_MOD/_REF are mandatory in PAPR, but off by default */ 20385145ad4fSNathan Whitehorn kvmppc_enable_clear_ref_mod_hcalls(); 2039026bfd89SDavid Gibson } 2040026bfd89SDavid Gibson 204153018216SPaolo Bonzini /* allocate RAM */ 2042f92f5da1SAlexey Kardashevskiy memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram", 2043fb164994SDavid Gibson machine->ram_size); 2044f92f5da1SAlexey Kardashevskiy memory_region_add_subregion(sysmem, 0, ram); 204553018216SPaolo Bonzini 2046658fa66bSAlexey Kardashevskiy if (rma_alloc_size && rma) { 2047658fa66bSAlexey Kardashevskiy rma_region = g_new(MemoryRegion, 1); 2048658fa66bSAlexey Kardashevskiy memory_region_init_ram_ptr(rma_region, NULL, "ppc_spapr.rma", 2049658fa66bSAlexey Kardashevskiy rma_alloc_size, rma); 2050658fa66bSAlexey Kardashevskiy vmstate_register_ram_global(rma_region); 2051658fa66bSAlexey Kardashevskiy memory_region_add_subregion(sysmem, 0, rma_region); 2052658fa66bSAlexey Kardashevskiy } 2053658fa66bSAlexey Kardashevskiy 20544a1c9cf0SBharata B Rao /* initialize hotplug memory address space */ 20554a1c9cf0SBharata B Rao if (machine->ram_size < machine->maxram_size) { 20564a1c9cf0SBharata B Rao ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size; 205771c9a3ddSBharata B Rao /* 205871c9a3ddSBharata B Rao * Limit the number of hotpluggable memory slots to half the number 205971c9a3ddSBharata B Rao * slots that KVM supports, leaving the other half for PCI and other 206071c9a3ddSBharata B Rao * devices. However ensure that number of slots doesn't drop below 32. 206171c9a3ddSBharata B Rao */ 206271c9a3ddSBharata B Rao int max_memslots = kvm_enabled() ? kvm_get_max_memslots() / 2 : 206371c9a3ddSBharata B Rao SPAPR_MAX_RAM_SLOTS; 20644a1c9cf0SBharata B Rao 206571c9a3ddSBharata B Rao if (max_memslots < SPAPR_MAX_RAM_SLOTS) { 206671c9a3ddSBharata B Rao max_memslots = SPAPR_MAX_RAM_SLOTS; 206771c9a3ddSBharata B Rao } 206871c9a3ddSBharata B Rao if (machine->ram_slots > max_memslots) { 2069d54e4d76SDavid Gibson error_report("Specified number of memory slots %" 2070d54e4d76SDavid Gibson PRIu64" exceeds max supported %d", 207171c9a3ddSBharata B Rao machine->ram_slots, max_memslots); 2072d54e4d76SDavid Gibson exit(1); 20734a1c9cf0SBharata B Rao } 20744a1c9cf0SBharata B Rao 20754a1c9cf0SBharata B Rao spapr->hotplug_memory.base = ROUND_UP(machine->ram_size, 20764a1c9cf0SBharata B Rao SPAPR_HOTPLUG_MEM_ALIGN); 20774a1c9cf0SBharata B Rao memory_region_init(&spapr->hotplug_memory.mr, OBJECT(spapr), 20784a1c9cf0SBharata B Rao "hotplug-memory", hotplug_mem_size); 20794a1c9cf0SBharata B Rao memory_region_add_subregion(sysmem, spapr->hotplug_memory.base, 20804a1c9cf0SBharata B Rao &spapr->hotplug_memory.mr); 20814a1c9cf0SBharata B Rao } 20824a1c9cf0SBharata B Rao 2083224245bfSDavid Gibson if (smc->dr_lmb_enabled) { 2084224245bfSDavid Gibson spapr_create_lmb_dr_connectors(spapr); 2085224245bfSDavid Gibson } 2086224245bfSDavid Gibson 208753018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 20884c56440dSStefan Weil if (!filename) { 2089730fce59SThomas Huth error_report("Could not find LPAR rtas '%s'", "spapr-rtas.bin"); 20904c56440dSStefan Weil exit(1); 20914c56440dSStefan Weil } 2092b7d1f77aSBenjamin Herrenschmidt spapr->rtas_size = get_image_size(filename); 20938afc22a2SZhou Jie if (spapr->rtas_size < 0) { 20948afc22a2SZhou Jie error_report("Could not get size of LPAR rtas '%s'", filename); 20958afc22a2SZhou Jie exit(1); 20968afc22a2SZhou Jie } 2097b7d1f77aSBenjamin Herrenschmidt spapr->rtas_blob = g_malloc(spapr->rtas_size); 2098b7d1f77aSBenjamin Herrenschmidt if (load_image_size(filename, spapr->rtas_blob, spapr->rtas_size) < 0) { 2099730fce59SThomas Huth error_report("Could not load LPAR rtas '%s'", filename); 210053018216SPaolo Bonzini exit(1); 210153018216SPaolo Bonzini } 210253018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 2103730fce59SThomas Huth error_report("RTAS too big ! 0x%zx bytes (max is 0x%x)", 21042f285bddSPeter Maydell (size_t)spapr->rtas_size, RTAS_MAX_SIZE); 210553018216SPaolo Bonzini exit(1); 210653018216SPaolo Bonzini } 210753018216SPaolo Bonzini g_free(filename); 210853018216SPaolo Bonzini 2109ffbb1705SMichael Roth /* Set up RTAS event infrastructure */ 211053018216SPaolo Bonzini spapr_events_init(spapr); 211153018216SPaolo Bonzini 211212f42174SDavid Gibson /* Set up the RTC RTAS interfaces */ 211328df36a1SDavid Gibson spapr_rtc_create(spapr); 211412f42174SDavid Gibson 211553018216SPaolo Bonzini /* Set up VIO bus */ 211653018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 211753018216SPaolo Bonzini 211853018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 211953018216SPaolo Bonzini if (serial_hds[i]) { 212053018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 212153018216SPaolo Bonzini } 212253018216SPaolo Bonzini } 212353018216SPaolo Bonzini 212453018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 212553018216SPaolo Bonzini spapr_create_nvram(spapr); 212653018216SPaolo Bonzini 212753018216SPaolo Bonzini /* Set up PCI */ 212853018216SPaolo Bonzini spapr_pci_rtas_init(); 212953018216SPaolo Bonzini 213089dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 213153018216SPaolo Bonzini 213253018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 213353018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 213453018216SPaolo Bonzini 213553018216SPaolo Bonzini if (!nd->model) { 213653018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 213753018216SPaolo Bonzini } 213853018216SPaolo Bonzini 213953018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 214053018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 214153018216SPaolo Bonzini } else { 214229b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 214353018216SPaolo Bonzini } 214453018216SPaolo Bonzini } 214553018216SPaolo Bonzini 214653018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 214753018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 214853018216SPaolo Bonzini } 214953018216SPaolo Bonzini 215053018216SPaolo Bonzini /* Graphics */ 215114c6a894SDavid Gibson if (spapr_vga_init(phb->bus, &error_fatal)) { 215253018216SPaolo Bonzini spapr->has_graphics = true; 2153c6e76503SPaolo Bonzini machine->usb |= defaults_enabled() && !machine->usb_disabled; 215453018216SPaolo Bonzini } 215553018216SPaolo Bonzini 21564ee9ced9SMarcel Apfelbaum if (machine->usb) { 215757040d45SThomas Huth if (smc->use_ohci_by_default) { 215853018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 215957040d45SThomas Huth } else { 216057040d45SThomas Huth pci_create_simple(phb->bus, -1, "nec-usb-xhci"); 216157040d45SThomas Huth } 2162c86580b8SMarkus Armbruster 216353018216SPaolo Bonzini if (spapr->has_graphics) { 2164c86580b8SMarkus Armbruster USBBus *usb_bus = usb_bus_find(-1); 2165c86580b8SMarkus Armbruster 2166c86580b8SMarkus Armbruster usb_create_simple(usb_bus, "usb-kbd"); 2167c86580b8SMarkus Armbruster usb_create_simple(usb_bus, "usb-mouse"); 216853018216SPaolo Bonzini } 216953018216SPaolo Bonzini } 217053018216SPaolo Bonzini 217153018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 2172d54e4d76SDavid Gibson error_report( 2173d54e4d76SDavid Gibson "pSeries SLOF firmware requires >= %ldM guest RMA (Real Mode Area memory)", 2174d54e4d76SDavid Gibson MIN_RMA_SLOF); 217553018216SPaolo Bonzini exit(1); 217653018216SPaolo Bonzini } 217753018216SPaolo Bonzini 217853018216SPaolo Bonzini if (kernel_filename) { 217953018216SPaolo Bonzini uint64_t lowaddr = 0; 218053018216SPaolo Bonzini 2181a19f7fb0SDavid Gibson spapr->kernel_size = load_elf(kernel_filename, translate_kernel_address, 2182a19f7fb0SDavid Gibson NULL, NULL, &lowaddr, NULL, 1, 2183a19f7fb0SDavid Gibson PPC_ELF_MACHINE, 0, 0); 2184a19f7fb0SDavid Gibson if (spapr->kernel_size == ELF_LOAD_WRONG_ENDIAN) { 2185a19f7fb0SDavid Gibson spapr->kernel_size = load_elf(kernel_filename, 2186a19f7fb0SDavid Gibson translate_kernel_address, NULL, NULL, 2187a19f7fb0SDavid Gibson &lowaddr, NULL, 0, PPC_ELF_MACHINE, 21887ef295eaSPeter Crosthwaite 0, 0); 2189a19f7fb0SDavid Gibson spapr->kernel_le = spapr->kernel_size > 0; 219016457e7fSBenjamin Herrenschmidt } 2191a19f7fb0SDavid Gibson if (spapr->kernel_size < 0) { 2192a19f7fb0SDavid Gibson error_report("error loading %s: %s", kernel_filename, 2193a19f7fb0SDavid Gibson load_elf_strerror(spapr->kernel_size)); 219453018216SPaolo Bonzini exit(1); 219553018216SPaolo Bonzini } 219653018216SPaolo Bonzini 219753018216SPaolo Bonzini /* load initrd */ 219853018216SPaolo Bonzini if (initrd_filename) { 219953018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 220053018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 220153018216SPaolo Bonzini */ 2202a19f7fb0SDavid Gibson spapr->initrd_base = (KERNEL_LOAD_ADDR + spapr->kernel_size 2203a19f7fb0SDavid Gibson + 0x1ffff) & ~0xffff; 2204a19f7fb0SDavid Gibson spapr->initrd_size = load_image_targphys(initrd_filename, 2205a19f7fb0SDavid Gibson spapr->initrd_base, 2206a19f7fb0SDavid Gibson load_limit 2207a19f7fb0SDavid Gibson - spapr->initrd_base); 2208a19f7fb0SDavid Gibson if (spapr->initrd_size < 0) { 2209d54e4d76SDavid Gibson error_report("could not load initial ram disk '%s'", 221053018216SPaolo Bonzini initrd_filename); 221153018216SPaolo Bonzini exit(1); 221253018216SPaolo Bonzini } 221353018216SPaolo Bonzini } 221453018216SPaolo Bonzini } 221553018216SPaolo Bonzini 22168e7ea787SAndreas Färber if (bios_name == NULL) { 22178e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 22188e7ea787SAndreas Färber } 22198e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 22204c56440dSStefan Weil if (!filename) { 222168fea5a0SThomas Huth error_report("Could not find LPAR firmware '%s'", bios_name); 22224c56440dSStefan Weil exit(1); 22234c56440dSStefan Weil } 222453018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 222568fea5a0SThomas Huth if (fw_size <= 0) { 222668fea5a0SThomas Huth error_report("Could not load LPAR firmware '%s'", filename); 222753018216SPaolo Bonzini exit(1); 222853018216SPaolo Bonzini } 222953018216SPaolo Bonzini g_free(filename); 223053018216SPaolo Bonzini 223128e02042SDavid Gibson /* FIXME: Should register things through the MachineState's qdev 223228e02042SDavid Gibson * interface, this is a legacy from the sPAPREnvironment structure 223328e02042SDavid Gibson * which predated MachineState but had a similar function */ 22344be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 22354be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 22364be21d56SDavid Gibson &savevm_htab_handlers, spapr); 22374be21d56SDavid Gibson 223846503c2bSMichael Roth /* used by RTAS */ 223946503c2bSMichael Roth QTAILQ_INIT(&spapr->ccs_list); 224046503c2bSMichael Roth qemu_register_reset(spapr_ccs_reset_hook, spapr); 224146503c2bSMichael Roth 22425b2128d2SAlexander Graf qemu_register_boot_set(spapr_boot_set, spapr); 224342043e4fSLaurent Vivier 224442043e4fSLaurent Vivier /* to stop and start vmclock */ 224542043e4fSLaurent Vivier if (kvm_enabled()) { 224642043e4fSLaurent Vivier qemu_add_vm_change_state_handler(cpu_ppc_clock_vm_state_change, 224742043e4fSLaurent Vivier &spapr->tb); 224842043e4fSLaurent Vivier } 224953018216SPaolo Bonzini } 225053018216SPaolo Bonzini 2251135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 2252135a129aSAneesh Kumar K.V { 2253135a129aSAneesh Kumar K.V if (!vm_type) { 2254135a129aSAneesh Kumar K.V return 0; 2255135a129aSAneesh Kumar K.V } 2256135a129aSAneesh Kumar K.V 2257135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 2258135a129aSAneesh Kumar K.V return 1; 2259135a129aSAneesh Kumar K.V } 2260135a129aSAneesh Kumar K.V 2261135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 2262135a129aSAneesh Kumar K.V return 2; 2263135a129aSAneesh Kumar K.V } 2264135a129aSAneesh Kumar K.V 2265135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 2266135a129aSAneesh Kumar K.V exit(1); 2267135a129aSAneesh Kumar K.V } 2268135a129aSAneesh Kumar K.V 226971461b0fSAlexey Kardashevskiy /* 2270627b84f4SGonglei * Implementation of an interface to adjust firmware path 227171461b0fSAlexey Kardashevskiy * for the bootindex property handling. 227271461b0fSAlexey Kardashevskiy */ 227371461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 227471461b0fSAlexey Kardashevskiy DeviceState *dev) 227571461b0fSAlexey Kardashevskiy { 227671461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 227771461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 227871461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 227971461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 228071461b0fSAlexey Kardashevskiy 228171461b0fSAlexey Kardashevskiy if (d) { 228271461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 228371461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 228471461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 228571461b0fSAlexey Kardashevskiy 228671461b0fSAlexey Kardashevskiy if (spapr) { 228771461b0fSAlexey Kardashevskiy /* 228871461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 228971461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 229071461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 229171461b0fSAlexey Kardashevskiy */ 229271461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 229371461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 229471461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 229571461b0fSAlexey Kardashevskiy } else if (virtio) { 229671461b0fSAlexey Kardashevskiy /* 229771461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 229871461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 229971461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 230071461b0fSAlexey Kardashevskiy * the actual binding is: 230171461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 230271461b0fSAlexey Kardashevskiy */ 230371461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 230471461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 230571461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 230671461b0fSAlexey Kardashevskiy } else if (usb) { 230771461b0fSAlexey Kardashevskiy /* 230871461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 230971461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 231071461b0fSAlexey Kardashevskiy */ 231171461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 231271461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 231371461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 231471461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 231571461b0fSAlexey Kardashevskiy } 231671461b0fSAlexey Kardashevskiy } 231771461b0fSAlexey Kardashevskiy 2318b99260ebSThomas Huth /* 2319b99260ebSThomas Huth * SLOF probes the USB devices, and if it recognizes that the device is a 2320b99260ebSThomas Huth * storage device, it changes its name to "storage" instead of "usb-host", 2321b99260ebSThomas Huth * and additionally adds a child node for the SCSI LUN, so the correct 2322b99260ebSThomas Huth * boot path in SLOF is something like .../storage@1/disk@xxx" instead. 2323b99260ebSThomas Huth */ 2324b99260ebSThomas Huth if (strcmp("usb-host", qdev_fw_name(dev)) == 0) { 2325b99260ebSThomas Huth USBDevice *usbdev = CAST(USBDevice, dev, TYPE_USB_DEVICE); 2326b99260ebSThomas Huth if (usb_host_dev_is_scsi_storage(usbdev)) { 2327b99260ebSThomas Huth return g_strdup_printf("storage@%s/disk", usbdev->port->path); 2328b99260ebSThomas Huth } 2329b99260ebSThomas Huth } 2330b99260ebSThomas Huth 233171461b0fSAlexey Kardashevskiy if (phb) { 233271461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 233371461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 233471461b0fSAlexey Kardashevskiy } 233571461b0fSAlexey Kardashevskiy 233671461b0fSAlexey Kardashevskiy return NULL; 233771461b0fSAlexey Kardashevskiy } 233871461b0fSAlexey Kardashevskiy 233923825581SEduardo Habkost static char *spapr_get_kvm_type(Object *obj, Error **errp) 234023825581SEduardo Habkost { 234128e02042SDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 234223825581SEduardo Habkost 234328e02042SDavid Gibson return g_strdup(spapr->kvm_type); 234423825581SEduardo Habkost } 234523825581SEduardo Habkost 234623825581SEduardo Habkost static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) 234723825581SEduardo Habkost { 234828e02042SDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 234923825581SEduardo Habkost 235028e02042SDavid Gibson g_free(spapr->kvm_type); 235128e02042SDavid Gibson spapr->kvm_type = g_strdup(value); 235223825581SEduardo Habkost } 235323825581SEduardo Habkost 2354f6229214SMichael Roth static bool spapr_get_modern_hotplug_events(Object *obj, Error **errp) 2355f6229214SMichael Roth { 2356f6229214SMichael Roth sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 2357f6229214SMichael Roth 2358f6229214SMichael Roth return spapr->use_hotplug_event_source; 2359f6229214SMichael Roth } 2360f6229214SMichael Roth 2361f6229214SMichael Roth static void spapr_set_modern_hotplug_events(Object *obj, bool value, 2362f6229214SMichael Roth Error **errp) 2363f6229214SMichael Roth { 2364f6229214SMichael Roth sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 2365f6229214SMichael Roth 2366f6229214SMichael Roth spapr->use_hotplug_event_source = value; 2367f6229214SMichael Roth } 2368f6229214SMichael Roth 236923825581SEduardo Habkost static void spapr_machine_initfn(Object *obj) 237023825581SEduardo Habkost { 2371715c5407SDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 2372715c5407SDavid Gibson 2373715c5407SDavid Gibson spapr->htab_fd = -1; 2374f6229214SMichael Roth spapr->use_hotplug_event_source = true; 237523825581SEduardo Habkost object_property_add_str(obj, "kvm-type", 237623825581SEduardo Habkost spapr_get_kvm_type, spapr_set_kvm_type, NULL); 237749d2e648SMarcel Apfelbaum object_property_set_description(obj, "kvm-type", 237849d2e648SMarcel Apfelbaum "Specifies the KVM virtualization mode (HV, PR)", 237949d2e648SMarcel Apfelbaum NULL); 2380f6229214SMichael Roth object_property_add_bool(obj, "modern-hotplug-events", 2381f6229214SMichael Roth spapr_get_modern_hotplug_events, 2382f6229214SMichael Roth spapr_set_modern_hotplug_events, 2383f6229214SMichael Roth NULL); 2384f6229214SMichael Roth object_property_set_description(obj, "modern-hotplug-events", 2385f6229214SMichael Roth "Use dedicated hotplug event mechanism in" 2386f6229214SMichael Roth " place of standard EPOW events when possible" 2387f6229214SMichael Roth " (required for memory hot-unplug support)", 2388f6229214SMichael Roth NULL); 238923825581SEduardo Habkost } 239023825581SEduardo Habkost 239187bbdd9cSDavid Gibson static void spapr_machine_finalizefn(Object *obj) 239287bbdd9cSDavid Gibson { 239387bbdd9cSDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(obj); 239487bbdd9cSDavid Gibson 239587bbdd9cSDavid Gibson g_free(spapr->kvm_type); 239687bbdd9cSDavid Gibson } 239787bbdd9cSDavid Gibson 23981c7ad77eSNicholas Piggin void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg) 239934316482SAlexey Kardashevskiy { 240034316482SAlexey Kardashevskiy cpu_synchronize_state(cs); 240134316482SAlexey Kardashevskiy ppc_cpu_do_system_reset(cs); 240234316482SAlexey Kardashevskiy } 240334316482SAlexey Kardashevskiy 240434316482SAlexey Kardashevskiy static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) 240534316482SAlexey Kardashevskiy { 240634316482SAlexey Kardashevskiy CPUState *cs; 240734316482SAlexey Kardashevskiy 240834316482SAlexey Kardashevskiy CPU_FOREACH(cs) { 24091c7ad77eSNicholas Piggin async_run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL); 241034316482SAlexey Kardashevskiy } 241134316482SAlexey Kardashevskiy } 241234316482SAlexey Kardashevskiy 241379b78a6bSMichael Roth static void spapr_add_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size, 241479b78a6bSMichael Roth uint32_t node, bool dedicated_hp_event_source, 241579b78a6bSMichael Roth Error **errp) 2416c20d332aSBharata B Rao { 2417c20d332aSBharata B Rao sPAPRDRConnector *drc; 2418c20d332aSBharata B Rao sPAPRDRConnectorClass *drck; 2419c20d332aSBharata B Rao uint32_t nr_lmbs = size/SPAPR_MEMORY_BLOCK_SIZE; 2420c20d332aSBharata B Rao int i, fdt_offset, fdt_size; 2421c20d332aSBharata B Rao void *fdt; 242279b78a6bSMichael Roth uint64_t addr = addr_start; 2423c20d332aSBharata B Rao 2424c20d332aSBharata B Rao for (i = 0; i < nr_lmbs; i++) { 2425c20d332aSBharata B Rao drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB, 2426c20d332aSBharata B Rao addr/SPAPR_MEMORY_BLOCK_SIZE); 2427c20d332aSBharata B Rao g_assert(drc); 2428c20d332aSBharata B Rao 2429c20d332aSBharata B Rao fdt = create_device_tree(&fdt_size); 2430c20d332aSBharata B Rao fdt_offset = spapr_populate_memory_node(fdt, node, addr, 2431c20d332aSBharata B Rao SPAPR_MEMORY_BLOCK_SIZE); 2432c20d332aSBharata B Rao 2433c20d332aSBharata B Rao drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2434c20d332aSBharata B Rao drck->attach(drc, dev, fdt, fdt_offset, !dev->hotplugged, errp); 2435c20d332aSBharata B Rao addr += SPAPR_MEMORY_BLOCK_SIZE; 24365c0139a8SMichael Roth if (!dev->hotplugged) { 24375c0139a8SMichael Roth /* guests expect coldplugged LMBs to be pre-allocated */ 24385c0139a8SMichael Roth drck->set_allocation_state(drc, SPAPR_DR_ALLOCATION_STATE_USABLE); 24395c0139a8SMichael Roth drck->set_isolation_state(drc, SPAPR_DR_ISOLATION_STATE_UNISOLATED); 24405c0139a8SMichael Roth } 2441c20d332aSBharata B Rao } 24425dd5238cSJianjun Duan /* send hotplug notification to the 24435dd5238cSJianjun Duan * guest only in case of hotplugged memory 24445dd5238cSJianjun Duan */ 24455dd5238cSJianjun Duan if (dev->hotplugged) { 244679b78a6bSMichael Roth if (dedicated_hp_event_source) { 244779b78a6bSMichael Roth drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB, 244879b78a6bSMichael Roth addr_start / SPAPR_MEMORY_BLOCK_SIZE); 244979b78a6bSMichael Roth drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 245079b78a6bSMichael Roth spapr_hotplug_req_add_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB, 245179b78a6bSMichael Roth nr_lmbs, 245279b78a6bSMichael Roth drck->get_index(drc)); 245379b78a6bSMichael Roth } else { 245479b78a6bSMichael Roth spapr_hotplug_req_add_by_count(SPAPR_DR_CONNECTOR_TYPE_LMB, 245579b78a6bSMichael Roth nr_lmbs); 245679b78a6bSMichael Roth } 2457c20d332aSBharata B Rao } 24585dd5238cSJianjun Duan } 2459c20d332aSBharata B Rao 2460c20d332aSBharata B Rao static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev, 2461c20d332aSBharata B Rao uint32_t node, Error **errp) 2462c20d332aSBharata B Rao { 2463c20d332aSBharata B Rao Error *local_err = NULL; 2464c20d332aSBharata B Rao sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev); 2465c20d332aSBharata B Rao PCDIMMDevice *dimm = PC_DIMM(dev); 2466c20d332aSBharata B Rao PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); 2467c20d332aSBharata B Rao MemoryRegion *mr = ddc->get_memory_region(dimm); 2468c20d332aSBharata B Rao uint64_t align = memory_region_get_alignment(mr); 2469c20d332aSBharata B Rao uint64_t size = memory_region_size(mr); 2470c20d332aSBharata B Rao uint64_t addr; 2471df587133SThomas Huth char *mem_dev; 2472c20d332aSBharata B Rao 2473c20d332aSBharata B Rao if (size % SPAPR_MEMORY_BLOCK_SIZE) { 2474c20d332aSBharata B Rao error_setg(&local_err, "Hotplugged memory size must be a multiple of " 2475c20d332aSBharata B Rao "%lld MB", SPAPR_MEMORY_BLOCK_SIZE/M_BYTE); 2476c20d332aSBharata B Rao goto out; 2477c20d332aSBharata B Rao } 2478c20d332aSBharata B Rao 2479df587133SThomas Huth mem_dev = object_property_get_str(OBJECT(dimm), PC_DIMM_MEMDEV_PROP, NULL); 2480df587133SThomas Huth if (mem_dev && !kvmppc_is_mem_backend_page_size_ok(mem_dev)) { 2481df587133SThomas Huth error_setg(&local_err, "Memory backend has bad page size. " 2482df587133SThomas Huth "Use 'memory-backend-file' with correct mem-path."); 2483df587133SThomas Huth goto out; 2484df587133SThomas Huth } 2485df587133SThomas Huth 2486d6a9b0b8SMichael S. Tsirkin pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err); 2487c20d332aSBharata B Rao if (local_err) { 2488c20d332aSBharata B Rao goto out; 2489c20d332aSBharata B Rao } 2490c20d332aSBharata B Rao 2491c20d332aSBharata B Rao addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err); 2492c20d332aSBharata B Rao if (local_err) { 2493c20d332aSBharata B Rao pc_dimm_memory_unplug(dev, &ms->hotplug_memory, mr); 2494c20d332aSBharata B Rao goto out; 2495c20d332aSBharata B Rao } 2496c20d332aSBharata B Rao 249779b78a6bSMichael Roth spapr_add_lmbs(dev, addr, size, node, 249879b78a6bSMichael Roth spapr_ovec_test(ms->ov5_cas, OV5_HP_EVT), 249979b78a6bSMichael Roth &error_abort); 2500c20d332aSBharata B Rao 2501c20d332aSBharata B Rao out: 2502c20d332aSBharata B Rao error_propagate(errp, local_err); 2503c20d332aSBharata B Rao } 2504c20d332aSBharata B Rao 2505cf632463SBharata B Rao typedef struct sPAPRDIMMState { 2506cf632463SBharata B Rao uint32_t nr_lmbs; 2507cf632463SBharata B Rao } sPAPRDIMMState; 2508cf632463SBharata B Rao 2509cf632463SBharata B Rao static void spapr_lmb_release(DeviceState *dev, void *opaque) 2510cf632463SBharata B Rao { 2511cf632463SBharata B Rao sPAPRDIMMState *ds = (sPAPRDIMMState *)opaque; 2512cf632463SBharata B Rao HotplugHandler *hotplug_ctrl; 2513cf632463SBharata B Rao 2514cf632463SBharata B Rao if (--ds->nr_lmbs) { 2515cf632463SBharata B Rao return; 2516cf632463SBharata B Rao } 2517cf632463SBharata B Rao 2518cf632463SBharata B Rao g_free(ds); 2519cf632463SBharata B Rao 2520cf632463SBharata B Rao /* 2521cf632463SBharata B Rao * Now that all the LMBs have been removed by the guest, call the 2522cf632463SBharata B Rao * pc-dimm unplug handler to cleanup up the pc-dimm device. 2523cf632463SBharata B Rao */ 2524cf632463SBharata B Rao hotplug_ctrl = qdev_get_hotplug_handler(dev); 2525cf632463SBharata B Rao hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); 2526cf632463SBharata B Rao } 2527cf632463SBharata B Rao 2528cf632463SBharata B Rao static void spapr_del_lmbs(DeviceState *dev, uint64_t addr_start, uint64_t size, 2529cf632463SBharata B Rao Error **errp) 2530cf632463SBharata B Rao { 2531cf632463SBharata B Rao sPAPRDRConnector *drc; 2532cf632463SBharata B Rao sPAPRDRConnectorClass *drck; 2533cf632463SBharata B Rao uint32_t nr_lmbs = size / SPAPR_MEMORY_BLOCK_SIZE; 2534cf632463SBharata B Rao int i; 2535cf632463SBharata B Rao sPAPRDIMMState *ds = g_malloc0(sizeof(sPAPRDIMMState)); 2536cf632463SBharata B Rao uint64_t addr = addr_start; 2537cf632463SBharata B Rao 2538cf632463SBharata B Rao ds->nr_lmbs = nr_lmbs; 2539cf632463SBharata B Rao for (i = 0; i < nr_lmbs; i++) { 2540cf632463SBharata B Rao drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB, 2541cf632463SBharata B Rao addr / SPAPR_MEMORY_BLOCK_SIZE); 2542cf632463SBharata B Rao g_assert(drc); 2543cf632463SBharata B Rao 2544cf632463SBharata B Rao drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2545cf632463SBharata B Rao drck->detach(drc, dev, spapr_lmb_release, ds, errp); 2546cf632463SBharata B Rao addr += SPAPR_MEMORY_BLOCK_SIZE; 2547cf632463SBharata B Rao } 2548cf632463SBharata B Rao 2549cf632463SBharata B Rao drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_LMB, 2550cf632463SBharata B Rao addr_start / SPAPR_MEMORY_BLOCK_SIZE); 2551cf632463SBharata B Rao drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2552cf632463SBharata B Rao spapr_hotplug_req_remove_by_count_indexed(SPAPR_DR_CONNECTOR_TYPE_LMB, 2553cf632463SBharata B Rao nr_lmbs, 2554cf632463SBharata B Rao drck->get_index(drc)); 2555cf632463SBharata B Rao } 2556cf632463SBharata B Rao 2557cf632463SBharata B Rao static void spapr_memory_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, 2558cf632463SBharata B Rao Error **errp) 2559cf632463SBharata B Rao { 2560cf632463SBharata B Rao sPAPRMachineState *ms = SPAPR_MACHINE(hotplug_dev); 2561cf632463SBharata B Rao PCDIMMDevice *dimm = PC_DIMM(dev); 2562cf632463SBharata B Rao PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); 2563cf632463SBharata B Rao MemoryRegion *mr = ddc->get_memory_region(dimm); 2564cf632463SBharata B Rao 2565cf632463SBharata B Rao pc_dimm_memory_unplug(dev, &ms->hotplug_memory, mr); 2566cf632463SBharata B Rao object_unparent(OBJECT(dev)); 2567cf632463SBharata B Rao } 2568cf632463SBharata B Rao 2569cf632463SBharata B Rao static void spapr_memory_unplug_request(HotplugHandler *hotplug_dev, 2570cf632463SBharata B Rao DeviceState *dev, Error **errp) 2571cf632463SBharata B Rao { 2572cf632463SBharata B Rao Error *local_err = NULL; 2573cf632463SBharata B Rao PCDIMMDevice *dimm = PC_DIMM(dev); 2574cf632463SBharata B Rao PCDIMMDeviceClass *ddc = PC_DIMM_GET_CLASS(dimm); 2575cf632463SBharata B Rao MemoryRegion *mr = ddc->get_memory_region(dimm); 2576cf632463SBharata B Rao uint64_t size = memory_region_size(mr); 2577cf632463SBharata B Rao uint64_t addr; 2578cf632463SBharata B Rao 2579cf632463SBharata B Rao addr = object_property_get_int(OBJECT(dimm), PC_DIMM_ADDR_PROP, &local_err); 2580cf632463SBharata B Rao if (local_err) { 2581cf632463SBharata B Rao goto out; 2582cf632463SBharata B Rao } 2583cf632463SBharata B Rao 2584cf632463SBharata B Rao spapr_del_lmbs(dev, addr, size, &error_abort); 2585cf632463SBharata B Rao out: 2586cf632463SBharata B Rao error_propagate(errp, local_err); 2587cf632463SBharata B Rao } 2588cf632463SBharata B Rao 2589af81cf32SBharata B Rao void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset, 2590af81cf32SBharata B Rao sPAPRMachineState *spapr) 2591af81cf32SBharata B Rao { 2592af81cf32SBharata B Rao PowerPCCPU *cpu = POWERPC_CPU(cs); 2593af81cf32SBharata B Rao DeviceClass *dc = DEVICE_GET_CLASS(cs); 2594af81cf32SBharata B Rao int id = ppc_get_vcpu_dt_id(cpu); 2595af81cf32SBharata B Rao void *fdt; 2596af81cf32SBharata B Rao int offset, fdt_size; 2597af81cf32SBharata B Rao char *nodename; 2598af81cf32SBharata B Rao 2599af81cf32SBharata B Rao fdt = create_device_tree(&fdt_size); 2600af81cf32SBharata B Rao nodename = g_strdup_printf("%s@%x", dc->fw_name, id); 2601af81cf32SBharata B Rao offset = fdt_add_subnode(fdt, 0, nodename); 2602af81cf32SBharata B Rao 2603af81cf32SBharata B Rao spapr_populate_cpu_dt(cs, fdt, offset, spapr); 2604af81cf32SBharata B Rao g_free(nodename); 2605af81cf32SBharata B Rao 2606af81cf32SBharata B Rao *fdt_offset = offset; 2607af81cf32SBharata B Rao return fdt; 2608af81cf32SBharata B Rao } 2609af81cf32SBharata B Rao 2610115debf2SIgor Mammedov static void spapr_core_unplug(HotplugHandler *hotplug_dev, DeviceState *dev, 2611115debf2SIgor Mammedov Error **errp) 2612ff9006ddSIgor Mammedov { 2613535455fdSIgor Mammedov MachineState *ms = MACHINE(qdev_get_machine()); 2614ff9006ddSIgor Mammedov CPUCore *cc = CPU_CORE(dev); 2615535455fdSIgor Mammedov CPUArchId *core_slot = spapr_find_cpu_slot(ms, cc->core_id, NULL); 2616ff9006ddSIgor Mammedov 2617535455fdSIgor Mammedov core_slot->cpu = NULL; 2618ff9006ddSIgor Mammedov object_unparent(OBJECT(dev)); 2619ff9006ddSIgor Mammedov } 2620ff9006ddSIgor Mammedov 2621115debf2SIgor Mammedov static void spapr_core_release(DeviceState *dev, void *opaque) 2622115debf2SIgor Mammedov { 2623115debf2SIgor Mammedov HotplugHandler *hotplug_ctrl; 2624115debf2SIgor Mammedov 2625115debf2SIgor Mammedov hotplug_ctrl = qdev_get_hotplug_handler(dev); 2626115debf2SIgor Mammedov hotplug_handler_unplug(hotplug_ctrl, dev, &error_abort); 2627115debf2SIgor Mammedov } 2628115debf2SIgor Mammedov 2629115debf2SIgor Mammedov static 2630115debf2SIgor Mammedov void spapr_core_unplug_request(HotplugHandler *hotplug_dev, DeviceState *dev, 2631ff9006ddSIgor Mammedov Error **errp) 2632ff9006ddSIgor Mammedov { 2633535455fdSIgor Mammedov int index; 2634535455fdSIgor Mammedov sPAPRDRConnector *drc; 2635ff9006ddSIgor Mammedov sPAPRDRConnectorClass *drck; 2636ff9006ddSIgor Mammedov Error *local_err = NULL; 2637535455fdSIgor Mammedov CPUCore *cc = CPU_CORE(dev); 2638535455fdSIgor Mammedov int smt = kvmppc_smt_threads(); 2639ff9006ddSIgor Mammedov 2640535455fdSIgor Mammedov if (!spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index)) { 2641535455fdSIgor Mammedov error_setg(errp, "Unable to find CPU core with core-id: %d", 2642535455fdSIgor Mammedov cc->core_id); 2643535455fdSIgor Mammedov return; 2644535455fdSIgor Mammedov } 2645ff9006ddSIgor Mammedov if (index == 0) { 2646ff9006ddSIgor Mammedov error_setg(errp, "Boot CPU core may not be unplugged"); 2647ff9006ddSIgor Mammedov return; 2648ff9006ddSIgor Mammedov } 2649ff9006ddSIgor Mammedov 2650535455fdSIgor Mammedov drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, index * smt); 2651ff9006ddSIgor Mammedov g_assert(drc); 2652ff9006ddSIgor Mammedov 2653ff9006ddSIgor Mammedov drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2654ff9006ddSIgor Mammedov drck->detach(drc, dev, spapr_core_release, NULL, &local_err); 2655ff9006ddSIgor Mammedov if (local_err) { 2656ff9006ddSIgor Mammedov error_propagate(errp, local_err); 2657ff9006ddSIgor Mammedov return; 2658ff9006ddSIgor Mammedov } 2659ff9006ddSIgor Mammedov 2660ff9006ddSIgor Mammedov spapr_hotplug_req_remove_by_index(drc); 2661ff9006ddSIgor Mammedov } 2662ff9006ddSIgor Mammedov 2663ff9006ddSIgor Mammedov static void spapr_core_plug(HotplugHandler *hotplug_dev, DeviceState *dev, 2664ff9006ddSIgor Mammedov Error **errp) 2665ff9006ddSIgor Mammedov { 2666ff9006ddSIgor Mammedov sPAPRMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); 2667ff9006ddSIgor Mammedov MachineClass *mc = MACHINE_GET_CLASS(spapr); 2668ff9006ddSIgor Mammedov sPAPRCPUCore *core = SPAPR_CPU_CORE(OBJECT(dev)); 2669ff9006ddSIgor Mammedov CPUCore *cc = CPU_CORE(dev); 2670ff9006ddSIgor Mammedov CPUState *cs = CPU(core->threads); 2671ff9006ddSIgor Mammedov sPAPRDRConnector *drc; 2672ff9006ddSIgor Mammedov Error *local_err = NULL; 2673ff9006ddSIgor Mammedov void *fdt = NULL; 2674ff9006ddSIgor Mammedov int fdt_offset = 0; 2675ff9006ddSIgor Mammedov int smt = kvmppc_smt_threads(); 2676535455fdSIgor Mammedov CPUArchId *core_slot; 2677535455fdSIgor Mammedov int index; 2678ff9006ddSIgor Mammedov 2679535455fdSIgor Mammedov core_slot = spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index); 2680535455fdSIgor Mammedov if (!core_slot) { 2681535455fdSIgor Mammedov error_setg(errp, "Unable to find CPU core with core-id: %d", 2682535455fdSIgor Mammedov cc->core_id); 2683535455fdSIgor Mammedov return; 2684535455fdSIgor Mammedov } 2685ff9006ddSIgor Mammedov drc = spapr_dr_connector_by_id(SPAPR_DR_CONNECTOR_TYPE_CPU, index * smt); 2686ff9006ddSIgor Mammedov 2687c5514d0eSIgor Mammedov g_assert(drc || !mc->has_hotpluggable_cpus); 2688ff9006ddSIgor Mammedov 2689ff9006ddSIgor Mammedov /* 2690ff9006ddSIgor Mammedov * Setup CPU DT entries only for hotplugged CPUs. For boot time or 2691ff9006ddSIgor Mammedov * coldplugged CPUs DT entries are setup in spapr_build_fdt(). 2692ff9006ddSIgor Mammedov */ 2693ff9006ddSIgor Mammedov if (dev->hotplugged) { 2694ff9006ddSIgor Mammedov fdt = spapr_populate_hotplug_cpu_dt(cs, &fdt_offset, spapr); 2695ff9006ddSIgor Mammedov } 2696ff9006ddSIgor Mammedov 2697ff9006ddSIgor Mammedov if (drc) { 2698ff9006ddSIgor Mammedov sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2699ff9006ddSIgor Mammedov drck->attach(drc, dev, fdt, fdt_offset, !dev->hotplugged, &local_err); 2700ff9006ddSIgor Mammedov if (local_err) { 2701ff9006ddSIgor Mammedov g_free(fdt); 2702ff9006ddSIgor Mammedov error_propagate(errp, local_err); 2703ff9006ddSIgor Mammedov return; 2704ff9006ddSIgor Mammedov } 2705ff9006ddSIgor Mammedov } 2706ff9006ddSIgor Mammedov 2707ff9006ddSIgor Mammedov if (dev->hotplugged) { 2708ff9006ddSIgor Mammedov /* 2709ff9006ddSIgor Mammedov * Send hotplug notification interrupt to the guest only in case 2710ff9006ddSIgor Mammedov * of hotplugged CPUs. 2711ff9006ddSIgor Mammedov */ 2712ff9006ddSIgor Mammedov spapr_hotplug_req_add_by_index(drc); 2713ff9006ddSIgor Mammedov } else { 2714ff9006ddSIgor Mammedov /* 2715ff9006ddSIgor Mammedov * Set the right DRC states for cold plugged CPU. 2716ff9006ddSIgor Mammedov */ 2717ff9006ddSIgor Mammedov if (drc) { 2718ff9006ddSIgor Mammedov sPAPRDRConnectorClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc); 2719ff9006ddSIgor Mammedov drck->set_allocation_state(drc, SPAPR_DR_ALLOCATION_STATE_USABLE); 2720ff9006ddSIgor Mammedov drck->set_isolation_state(drc, SPAPR_DR_ISOLATION_STATE_UNISOLATED); 2721ff9006ddSIgor Mammedov } 2722ff9006ddSIgor Mammedov } 2723535455fdSIgor Mammedov core_slot->cpu = OBJECT(dev); 2724ff9006ddSIgor Mammedov } 2725ff9006ddSIgor Mammedov 2726ff9006ddSIgor Mammedov static void spapr_core_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, 2727ff9006ddSIgor Mammedov Error **errp) 2728ff9006ddSIgor Mammedov { 2729ff9006ddSIgor Mammedov MachineState *machine = MACHINE(OBJECT(hotplug_dev)); 2730ff9006ddSIgor Mammedov MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev); 2731ff9006ddSIgor Mammedov Error *local_err = NULL; 2732ff9006ddSIgor Mammedov CPUCore *cc = CPU_CORE(dev); 2733ff9006ddSIgor Mammedov char *base_core_type = spapr_get_cpu_core_type(machine->cpu_model); 2734ff9006ddSIgor Mammedov const char *type = object_get_typename(OBJECT(dev)); 2735535455fdSIgor Mammedov CPUArchId *core_slot; 2736535455fdSIgor Mammedov int index; 2737ff9006ddSIgor Mammedov 2738c5514d0eSIgor Mammedov if (dev->hotplugged && !mc->has_hotpluggable_cpus) { 2739ff9006ddSIgor Mammedov error_setg(&local_err, "CPU hotplug not supported for this machine"); 2740ff9006ddSIgor Mammedov goto out; 2741ff9006ddSIgor Mammedov } 2742ff9006ddSIgor Mammedov 2743ff9006ddSIgor Mammedov if (strcmp(base_core_type, type)) { 2744ff9006ddSIgor Mammedov error_setg(&local_err, "CPU core type should be %s", base_core_type); 2745ff9006ddSIgor Mammedov goto out; 2746ff9006ddSIgor Mammedov } 2747ff9006ddSIgor Mammedov 2748ff9006ddSIgor Mammedov if (cc->core_id % smp_threads) { 2749ff9006ddSIgor Mammedov error_setg(&local_err, "invalid core id %d", cc->core_id); 2750ff9006ddSIgor Mammedov goto out; 2751ff9006ddSIgor Mammedov } 2752ff9006ddSIgor Mammedov 2753535455fdSIgor Mammedov core_slot = spapr_find_cpu_slot(MACHINE(hotplug_dev), cc->core_id, &index); 2754535455fdSIgor Mammedov if (!core_slot) { 2755ff9006ddSIgor Mammedov error_setg(&local_err, "core id %d out of range", cc->core_id); 2756ff9006ddSIgor Mammedov goto out; 2757ff9006ddSIgor Mammedov } 2758ff9006ddSIgor Mammedov 2759535455fdSIgor Mammedov if (core_slot->cpu) { 2760ff9006ddSIgor Mammedov error_setg(&local_err, "core %d already populated", cc->core_id); 2761ff9006ddSIgor Mammedov goto out; 2762ff9006ddSIgor Mammedov } 2763ff9006ddSIgor Mammedov 2764ff9006ddSIgor Mammedov out: 2765ff9006ddSIgor Mammedov g_free(base_core_type); 2766ff9006ddSIgor Mammedov error_propagate(errp, local_err); 2767ff9006ddSIgor Mammedov } 2768ff9006ddSIgor Mammedov 2769c20d332aSBharata B Rao static void spapr_machine_device_plug(HotplugHandler *hotplug_dev, 2770c20d332aSBharata B Rao DeviceState *dev, Error **errp) 2771c20d332aSBharata B Rao { 2772c20d332aSBharata B Rao sPAPRMachineClass *smc = SPAPR_MACHINE_GET_CLASS(qdev_get_machine()); 2773c20d332aSBharata B Rao 2774c20d332aSBharata B Rao if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 2775b556854bSBharata B Rao int node; 2776c20d332aSBharata B Rao 2777c20d332aSBharata B Rao if (!smc->dr_lmb_enabled) { 2778c20d332aSBharata B Rao error_setg(errp, "Memory hotplug not supported for this machine"); 2779c20d332aSBharata B Rao return; 2780c20d332aSBharata B Rao } 2781c20d332aSBharata B Rao node = object_property_get_int(OBJECT(dev), PC_DIMM_NODE_PROP, errp); 2782c20d332aSBharata B Rao if (*errp) { 2783c20d332aSBharata B Rao return; 2784c20d332aSBharata B Rao } 27851a5512bbSGonglei if (node < 0 || node >= MAX_NODES) { 27861a5512bbSGonglei error_setg(errp, "Invaild node %d", node); 27871a5512bbSGonglei return; 27881a5512bbSGonglei } 2789c20d332aSBharata B Rao 2790b556854bSBharata B Rao /* 2791b556854bSBharata B Rao * Currently PowerPC kernel doesn't allow hot-adding memory to 2792b556854bSBharata B Rao * memory-less node, but instead will silently add the memory 2793b556854bSBharata B Rao * to the first node that has some memory. This causes two 2794b556854bSBharata B Rao * unexpected behaviours for the user. 2795b556854bSBharata B Rao * 2796b556854bSBharata B Rao * - Memory gets hotplugged to a different node than what the user 2797b556854bSBharata B Rao * specified. 2798b556854bSBharata B Rao * - Since pc-dimm subsystem in QEMU still thinks that memory belongs 2799b556854bSBharata B Rao * to memory-less node, a reboot will set things accordingly 2800b556854bSBharata B Rao * and the previously hotplugged memory now ends in the right node. 2801b556854bSBharata B Rao * This appears as if some memory moved from one node to another. 2802b556854bSBharata B Rao * 2803b556854bSBharata B Rao * So until kernel starts supporting memory hotplug to memory-less 2804b556854bSBharata B Rao * nodes, just prevent such attempts upfront in QEMU. 2805b556854bSBharata B Rao */ 2806b556854bSBharata B Rao if (nb_numa_nodes && !numa_info[node].node_mem) { 2807b556854bSBharata B Rao error_setg(errp, "Can't hotplug memory to memory-less node %d", 2808b556854bSBharata B Rao node); 2809b556854bSBharata B Rao return; 2810b556854bSBharata B Rao } 2811b556854bSBharata B Rao 2812c20d332aSBharata B Rao spapr_memory_plug(hotplug_dev, dev, node, errp); 2813af81cf32SBharata B Rao } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { 2814af81cf32SBharata B Rao spapr_core_plug(hotplug_dev, dev, errp); 2815c20d332aSBharata B Rao } 2816c20d332aSBharata B Rao } 2817c20d332aSBharata B Rao 2818c20d332aSBharata B Rao static void spapr_machine_device_unplug(HotplugHandler *hotplug_dev, 2819c20d332aSBharata B Rao DeviceState *dev, Error **errp) 2820c20d332aSBharata B Rao { 2821cf632463SBharata B Rao sPAPRMachineState *sms = SPAPR_MACHINE(qdev_get_machine()); 28223c0c47e3SDavid Gibson MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); 28236f4b5c3eSBharata B Rao 2824c20d332aSBharata B Rao if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 2825cf632463SBharata B Rao if (spapr_ovec_test(sms->ov5_cas, OV5_HP_EVT)) { 2826cf632463SBharata B Rao spapr_memory_unplug(hotplug_dev, dev, errp); 2827cf632463SBharata B Rao } else { 2828cf632463SBharata B Rao error_setg(errp, "Memory hot unplug not supported for this guest"); 2829cf632463SBharata B Rao } 2830cf632463SBharata B Rao } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { 2831c5514d0eSIgor Mammedov if (!mc->has_hotpluggable_cpus) { 2832cf632463SBharata B Rao error_setg(errp, "CPU hot unplug not supported on this machine"); 2833cf632463SBharata B Rao return; 2834cf632463SBharata B Rao } 2835cf632463SBharata B Rao spapr_core_unplug(hotplug_dev, dev, errp); 2836cf632463SBharata B Rao } 2837cf632463SBharata B Rao } 2838cf632463SBharata B Rao 2839cf632463SBharata B Rao static void spapr_machine_device_unplug_request(HotplugHandler *hotplug_dev, 2840cf632463SBharata B Rao DeviceState *dev, Error **errp) 2841cf632463SBharata B Rao { 2842cf632463SBharata B Rao sPAPRMachineState *sms = SPAPR_MACHINE(qdev_get_machine()); 2843cf632463SBharata B Rao MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine()); 2844cf632463SBharata B Rao 2845cf632463SBharata B Rao if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 2846cf632463SBharata B Rao if (spapr_ovec_test(sms->ov5_cas, OV5_HP_EVT)) { 2847cf632463SBharata B Rao spapr_memory_unplug_request(hotplug_dev, dev, errp); 2848cf632463SBharata B Rao } else { 2849cf632463SBharata B Rao /* NOTE: this means there is a window after guest reset, prior to 2850cf632463SBharata B Rao * CAS negotiation, where unplug requests will fail due to the 2851cf632463SBharata B Rao * capability not being detected yet. This is a bit different than 2852cf632463SBharata B Rao * the case with PCI unplug, where the events will be queued and 2853cf632463SBharata B Rao * eventually handled by the guest after boot 2854cf632463SBharata B Rao */ 2855cf632463SBharata B Rao error_setg(errp, "Memory hot unplug not supported for this guest"); 2856cf632463SBharata B Rao } 28576f4b5c3eSBharata B Rao } else if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { 2858c5514d0eSIgor Mammedov if (!mc->has_hotpluggable_cpus) { 28596f4b5c3eSBharata B Rao error_setg(errp, "CPU hot unplug not supported on this machine"); 28606f4b5c3eSBharata B Rao return; 28616f4b5c3eSBharata B Rao } 2862115debf2SIgor Mammedov spapr_core_unplug_request(hotplug_dev, dev, errp); 2863c20d332aSBharata B Rao } 2864c20d332aSBharata B Rao } 2865c20d332aSBharata B Rao 286694a94e4cSBharata B Rao static void spapr_machine_device_pre_plug(HotplugHandler *hotplug_dev, 286794a94e4cSBharata B Rao DeviceState *dev, Error **errp) 286894a94e4cSBharata B Rao { 286994a94e4cSBharata B Rao if (object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { 287094a94e4cSBharata B Rao spapr_core_pre_plug(hotplug_dev, dev, errp); 287194a94e4cSBharata B Rao } 287294a94e4cSBharata B Rao } 287394a94e4cSBharata B Rao 28747ebaf795SBharata B Rao static HotplugHandler *spapr_get_hotplug_handler(MachineState *machine, 2875c20d332aSBharata B Rao DeviceState *dev) 2876c20d332aSBharata B Rao { 287794a94e4cSBharata B Rao if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) || 287894a94e4cSBharata B Rao object_dynamic_cast(OBJECT(dev), TYPE_SPAPR_CPU_CORE)) { 2879c20d332aSBharata B Rao return HOTPLUG_HANDLER(machine); 2880c20d332aSBharata B Rao } 2881c20d332aSBharata B Rao return NULL; 2882c20d332aSBharata B Rao } 2883c20d332aSBharata B Rao 288420bb648dSDavid Gibson static unsigned spapr_cpu_index_to_socket_id(unsigned cpu_index) 288520bb648dSDavid Gibson { 288620bb648dSDavid Gibson /* Allocate to NUMA nodes on a "socket" basis (not that concept of 288720bb648dSDavid Gibson * socket means much for the paravirtualized PAPR platform) */ 288820bb648dSDavid Gibson return cpu_index / smp_threads / smp_cores; 288920bb648dSDavid Gibson } 289020bb648dSDavid Gibson 2891535455fdSIgor Mammedov static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine) 2892535455fdSIgor Mammedov { 2893535455fdSIgor Mammedov int i; 2894535455fdSIgor Mammedov int spapr_max_cores = max_cpus / smp_threads; 2895535455fdSIgor Mammedov MachineClass *mc = MACHINE_GET_CLASS(machine); 2896535455fdSIgor Mammedov 2897c5514d0eSIgor Mammedov if (!mc->has_hotpluggable_cpus) { 2898535455fdSIgor Mammedov spapr_max_cores = QEMU_ALIGN_UP(smp_cpus, smp_threads) / smp_threads; 2899535455fdSIgor Mammedov } 2900535455fdSIgor Mammedov if (machine->possible_cpus) { 2901535455fdSIgor Mammedov assert(machine->possible_cpus->len == spapr_max_cores); 2902535455fdSIgor Mammedov return machine->possible_cpus; 2903535455fdSIgor Mammedov } 2904535455fdSIgor Mammedov 2905535455fdSIgor Mammedov machine->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 2906535455fdSIgor Mammedov sizeof(CPUArchId) * spapr_max_cores); 2907535455fdSIgor Mammedov machine->possible_cpus->len = spapr_max_cores; 2908535455fdSIgor Mammedov for (i = 0; i < machine->possible_cpus->len; i++) { 2909535455fdSIgor Mammedov int core_id = i * smp_threads; 2910535455fdSIgor Mammedov 2911f2d672c2SIgor Mammedov machine->possible_cpus->cpus[i].vcpus_count = smp_threads; 2912535455fdSIgor Mammedov machine->possible_cpus->cpus[i].arch_id = core_id; 2913535455fdSIgor Mammedov machine->possible_cpus->cpus[i].props.has_core_id = true; 2914535455fdSIgor Mammedov machine->possible_cpus->cpus[i].props.core_id = core_id; 2915535455fdSIgor Mammedov /* TODO: add 'has_node/node' here to describe 2916535455fdSIgor Mammedov to which node core belongs */ 2917535455fdSIgor Mammedov } 2918535455fdSIgor Mammedov return machine->possible_cpus; 2919535455fdSIgor Mammedov } 2920535455fdSIgor Mammedov 29216737d9adSDavid Gibson static void spapr_phb_placement(sPAPRMachineState *spapr, uint32_t index, 2922daa23699SDavid Gibson uint64_t *buid, hwaddr *pio, 2923daa23699SDavid Gibson hwaddr *mmio32, hwaddr *mmio64, 29246737d9adSDavid Gibson unsigned n_dma, uint32_t *liobns, Error **errp) 29256737d9adSDavid Gibson { 2926357d1e3bSDavid Gibson /* 2927357d1e3bSDavid Gibson * New-style PHB window placement. 2928357d1e3bSDavid Gibson * 2929357d1e3bSDavid Gibson * Goals: Gives large (1TiB), naturally aligned 64-bit MMIO window 2930357d1e3bSDavid Gibson * for each PHB, in addition to 2GiB 32-bit MMIO and 64kiB PIO 2931357d1e3bSDavid Gibson * windows. 2932357d1e3bSDavid Gibson * 2933357d1e3bSDavid Gibson * Some guest kernels can't work with MMIO windows above 1<<46 2934357d1e3bSDavid Gibson * (64TiB), so we place up to 31 PHBs in the area 32TiB..64TiB 2935357d1e3bSDavid Gibson * 2936357d1e3bSDavid Gibson * 32TiB..(33TiB+1984kiB) contains the 64kiB PIO windows for each 2937357d1e3bSDavid Gibson * PHB stacked together. (32TiB+2GiB)..(32TiB+64GiB) contains the 2938357d1e3bSDavid Gibson * 2GiB 32-bit MMIO windows for each PHB. Then 33..64TiB has the 2939357d1e3bSDavid Gibson * 1TiB 64-bit MMIO windows for each PHB. 2940357d1e3bSDavid Gibson */ 29416737d9adSDavid Gibson const uint64_t base_buid = 0x800000020000000ULL; 294225e6a118SMichael S. Tsirkin #define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \ 294325e6a118SMichael S. Tsirkin SPAPR_PCI_MEM64_WIN_SIZE - 1) 29446737d9adSDavid Gibson int i; 29456737d9adSDavid Gibson 2946357d1e3bSDavid Gibson /* Sanity check natural alignments */ 2947357d1e3bSDavid Gibson QEMU_BUILD_BUG_ON((SPAPR_PCI_BASE % SPAPR_PCI_MEM64_WIN_SIZE) != 0); 2948357d1e3bSDavid Gibson QEMU_BUILD_BUG_ON((SPAPR_PCI_LIMIT % SPAPR_PCI_MEM64_WIN_SIZE) != 0); 2949357d1e3bSDavid Gibson QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM64_WIN_SIZE % SPAPR_PCI_MEM32_WIN_SIZE) != 0); 2950357d1e3bSDavid Gibson QEMU_BUILD_BUG_ON((SPAPR_PCI_MEM32_WIN_SIZE % SPAPR_PCI_IO_WIN_SIZE) != 0); 2951357d1e3bSDavid Gibson /* Sanity check bounds */ 295225e6a118SMichael S. Tsirkin QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS * SPAPR_PCI_IO_WIN_SIZE) > 295325e6a118SMichael S. Tsirkin SPAPR_PCI_MEM32_WIN_SIZE); 295425e6a118SMichael S. Tsirkin QEMU_BUILD_BUG_ON((SPAPR_MAX_PHBS * SPAPR_PCI_MEM32_WIN_SIZE) > 295525e6a118SMichael S. Tsirkin SPAPR_PCI_MEM64_WIN_SIZE); 29562efff1c0SDavid Gibson 295725e6a118SMichael S. Tsirkin if (index >= SPAPR_MAX_PHBS) { 295825e6a118SMichael S. Tsirkin error_setg(errp, "\"index\" for PAPR PHB is too large (max %llu)", 295925e6a118SMichael S. Tsirkin SPAPR_MAX_PHBS - 1); 29606737d9adSDavid Gibson return; 29616737d9adSDavid Gibson } 29626737d9adSDavid Gibson 29636737d9adSDavid Gibson *buid = base_buid + index; 29646737d9adSDavid Gibson for (i = 0; i < n_dma; ++i) { 29656737d9adSDavid Gibson liobns[i] = SPAPR_PCI_LIOBN(index, i); 29666737d9adSDavid Gibson } 29676737d9adSDavid Gibson 2968357d1e3bSDavid Gibson *pio = SPAPR_PCI_BASE + index * SPAPR_PCI_IO_WIN_SIZE; 2969357d1e3bSDavid Gibson *mmio32 = SPAPR_PCI_BASE + (index + 1) * SPAPR_PCI_MEM32_WIN_SIZE; 2970357d1e3bSDavid Gibson *mmio64 = SPAPR_PCI_BASE + (index + 1) * SPAPR_PCI_MEM64_WIN_SIZE; 29716737d9adSDavid Gibson } 29726737d9adSDavid Gibson 29737844e12bSCédric Le Goater static ICSState *spapr_ics_get(XICSFabric *dev, int irq) 29747844e12bSCédric Le Goater { 29757844e12bSCédric Le Goater sPAPRMachineState *spapr = SPAPR_MACHINE(dev); 29767844e12bSCédric Le Goater 29777844e12bSCédric Le Goater return ics_valid_irq(spapr->ics, irq) ? spapr->ics : NULL; 29787844e12bSCédric Le Goater } 29797844e12bSCédric Le Goater 29807844e12bSCédric Le Goater static void spapr_ics_resend(XICSFabric *dev) 29817844e12bSCédric Le Goater { 29827844e12bSCédric Le Goater sPAPRMachineState *spapr = SPAPR_MACHINE(dev); 29837844e12bSCédric Le Goater 29847844e12bSCédric Le Goater ics_resend(spapr->ics); 29857844e12bSCédric Le Goater } 29867844e12bSCédric Le Goater 2987b2fc59aaSCédric Le Goater static ICPState *spapr_icp_get(XICSFabric *xi, int server) 2988b2fc59aaSCédric Le Goater { 2989b2fc59aaSCédric Le Goater sPAPRMachineState *spapr = SPAPR_MACHINE(xi); 2990b2fc59aaSCédric Le Goater 2991b2fc59aaSCédric Le Goater return (server < spapr->xics->nr_servers) ? &spapr->xics->ss[server] : 2992b2fc59aaSCédric Le Goater NULL; 2993b2fc59aaSCédric Le Goater } 2994b2fc59aaSCédric Le Goater 2995b2fc59aaSCédric Le Goater static void spapr_icp_resend(XICSFabric *xi) 2996b2fc59aaSCédric Le Goater { 2997b2fc59aaSCédric Le Goater sPAPRMachineState *spapr = SPAPR_MACHINE(xi); 2998b2fc59aaSCédric Le Goater int i; 2999b2fc59aaSCédric Le Goater 3000b2fc59aaSCédric Le Goater for (i = 0; i < spapr->xics->nr_servers; i++) { 3001b2fc59aaSCédric Le Goater icp_resend(&spapr->xics->ss[i]); 3002b2fc59aaSCédric Le Goater } 3003b2fc59aaSCédric Le Goater } 3004b2fc59aaSCédric Le Goater 300529ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 300653018216SPaolo Bonzini { 300729ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 3008224245bfSDavid Gibson sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(oc); 300971461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 301034316482SAlexey Kardashevskiy NMIClass *nc = NMI_CLASS(oc); 3011c20d332aSBharata B Rao HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 30121d1be34dSDavid Gibson PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc); 30137844e12bSCédric Le Goater XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); 301429ee3247SAlexey Kardashevskiy 30150eb9054cSDavid Gibson mc->desc = "pSeries Logical Partition (PAPR compliant)"; 3016fc9f38c3SDavid Gibson 3017fc9f38c3SDavid Gibson /* 3018fc9f38c3SDavid Gibson * We set up the default / latest behaviour here. The class_init 3019fc9f38c3SDavid Gibson * functions for the specific versioned machine types can override 3020fc9f38c3SDavid Gibson * these details for backwards compatibility 3021fc9f38c3SDavid Gibson */ 3022958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 3023958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 3024958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 30256244bb7eSGreg Kurz mc->max_cpus = 1024; 3026958db90cSMarcel Apfelbaum mc->no_parallel = 1; 30275b2128d2SAlexander Graf mc->default_boot_order = ""; 3028a34944feSNikunj A Dadhania mc->default_ram_size = 512 * M_BYTE; 3029958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 30309e3f9733SAlexander Graf mc->has_dynamic_sysbus = true; 3031e4024630SLaurent Vivier mc->pci_allow_0_address = true; 30327ebaf795SBharata B Rao mc->get_hotplug_handler = spapr_get_hotplug_handler; 303394a94e4cSBharata B Rao hc->pre_plug = spapr_machine_device_pre_plug; 3034c20d332aSBharata B Rao hc->plug = spapr_machine_device_plug; 3035c20d332aSBharata B Rao hc->unplug = spapr_machine_device_unplug; 303620bb648dSDavid Gibson mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id; 3037535455fdSIgor Mammedov mc->possible_cpu_arch_ids = spapr_possible_cpu_arch_ids; 3038cf632463SBharata B Rao hc->unplug_request = spapr_machine_device_unplug_request; 303900b4fbe2SMarcel Apfelbaum 3040fc9f38c3SDavid Gibson smc->dr_lmb_enabled = true; 30413daa4a9fSThomas Huth smc->tcg_default_cpu = "POWER8"; 3042c5514d0eSIgor Mammedov mc->has_hotpluggable_cpus = true; 304371461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 304434316482SAlexey Kardashevskiy nc->nmi_monitor_handler = spapr_nmi; 30456737d9adSDavid Gibson smc->phb_placement = spapr_phb_placement; 30461d1be34dSDavid Gibson vhc->hypercall = emulate_spapr_hypercall; 3047e57ca75cSDavid Gibson vhc->hpt_mask = spapr_hpt_mask; 3048e57ca75cSDavid Gibson vhc->map_hptes = spapr_map_hptes; 3049e57ca75cSDavid Gibson vhc->unmap_hptes = spapr_unmap_hptes; 3050e57ca75cSDavid Gibson vhc->store_hpte = spapr_store_hpte; 30517844e12bSCédric Le Goater xic->ics_get = spapr_ics_get; 30527844e12bSCédric Le Goater xic->ics_resend = spapr_ics_resend; 3053b2fc59aaSCédric Le Goater xic->icp_get = spapr_icp_get; 3054b2fc59aaSCédric Le Goater xic->icp_resend = spapr_icp_resend; 305553018216SPaolo Bonzini } 305653018216SPaolo Bonzini 305729ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 305829ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 305929ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 30604aee7362SDavid Gibson .abstract = true, 30616ca1502eSAlexey Kardashevskiy .instance_size = sizeof(sPAPRMachineState), 306223825581SEduardo Habkost .instance_init = spapr_machine_initfn, 306387bbdd9cSDavid Gibson .instance_finalize = spapr_machine_finalizefn, 3064183930c0SDavid Gibson .class_size = sizeof(sPAPRMachineClass), 306529ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 306671461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 306771461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 306834316482SAlexey Kardashevskiy { TYPE_NMI }, 3069c20d332aSBharata B Rao { TYPE_HOTPLUG_HANDLER }, 30701d1be34dSDavid Gibson { TYPE_PPC_VIRTUAL_HYPERVISOR }, 30717844e12bSCédric Le Goater { TYPE_XICS_FABRIC }, 307271461b0fSAlexey Kardashevskiy { } 307371461b0fSAlexey Kardashevskiy }, 307429ee3247SAlexey Kardashevskiy }; 307529ee3247SAlexey Kardashevskiy 3076fccbc785SDavid Gibson #define DEFINE_SPAPR_MACHINE(suffix, verstr, latest) \ 30775013c547SDavid Gibson static void spapr_machine_##suffix##_class_init(ObjectClass *oc, \ 30785013c547SDavid Gibson void *data) \ 30795013c547SDavid Gibson { \ 30805013c547SDavid Gibson MachineClass *mc = MACHINE_CLASS(oc); \ 30815013c547SDavid Gibson spapr_machine_##suffix##_class_options(mc); \ 3082fccbc785SDavid Gibson if (latest) { \ 3083fccbc785SDavid Gibson mc->alias = "pseries"; \ 3084fccbc785SDavid Gibson mc->is_default = 1; \ 3085fccbc785SDavid Gibson } \ 30865013c547SDavid Gibson } \ 30875013c547SDavid Gibson static void spapr_machine_##suffix##_instance_init(Object *obj) \ 30885013c547SDavid Gibson { \ 30895013c547SDavid Gibson MachineState *machine = MACHINE(obj); \ 30905013c547SDavid Gibson spapr_machine_##suffix##_instance_options(machine); \ 30915013c547SDavid Gibson } \ 30925013c547SDavid Gibson static const TypeInfo spapr_machine_##suffix##_info = { \ 30935013c547SDavid Gibson .name = MACHINE_TYPE_NAME("pseries-" verstr), \ 30945013c547SDavid Gibson .parent = TYPE_SPAPR_MACHINE, \ 30955013c547SDavid Gibson .class_init = spapr_machine_##suffix##_class_init, \ 30965013c547SDavid Gibson .instance_init = spapr_machine_##suffix##_instance_init, \ 30975013c547SDavid Gibson }; \ 30985013c547SDavid Gibson static void spapr_machine_register_##suffix(void) \ 30995013c547SDavid Gibson { \ 31005013c547SDavid Gibson type_register(&spapr_machine_##suffix##_info); \ 31015013c547SDavid Gibson } \ 31020e6aac87SEduardo Habkost type_init(spapr_machine_register_##suffix) 31035013c547SDavid Gibson 31041c5f29bbSDavid Gibson /* 3105fa325e6cSDavid Gibson * pseries-2.9 3106db800b21SDavid Gibson */ 3107fa325e6cSDavid Gibson static void spapr_machine_2_9_instance_options(MachineState *machine) 3108db800b21SDavid Gibson { 3109db800b21SDavid Gibson } 3110db800b21SDavid Gibson 3111fa325e6cSDavid Gibson static void spapr_machine_2_9_class_options(MachineClass *mc) 3112db800b21SDavid Gibson { 3113db800b21SDavid Gibson /* Defaults for the latest behaviour inherited from the base class */ 3114db800b21SDavid Gibson } 3115db800b21SDavid Gibson 3116fa325e6cSDavid Gibson DEFINE_SPAPR_MACHINE(2_9, "2.9", true); 3117fa325e6cSDavid Gibson 3118fa325e6cSDavid Gibson /* 3119fa325e6cSDavid Gibson * pseries-2.8 3120fa325e6cSDavid Gibson */ 3121fa325e6cSDavid Gibson #define SPAPR_COMPAT_2_8 \ 3122fa325e6cSDavid Gibson HW_COMPAT_2_8 3123fa325e6cSDavid Gibson 3124fa325e6cSDavid Gibson static void spapr_machine_2_8_instance_options(MachineState *machine) 3125fa325e6cSDavid Gibson { 3126fa325e6cSDavid Gibson spapr_machine_2_9_instance_options(machine); 3127fa325e6cSDavid Gibson } 3128fa325e6cSDavid Gibson 3129fa325e6cSDavid Gibson static void spapr_machine_2_8_class_options(MachineClass *mc) 3130fa325e6cSDavid Gibson { 3131fa325e6cSDavid Gibson spapr_machine_2_9_class_options(mc); 3132fa325e6cSDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_8); 3133fa325e6cSDavid Gibson } 3134fa325e6cSDavid Gibson 3135fa325e6cSDavid Gibson DEFINE_SPAPR_MACHINE(2_8, "2.8", false); 3136db800b21SDavid Gibson 3137db800b21SDavid Gibson /* 31381ea1eefcSBharata B Rao * pseries-2.7 31391ea1eefcSBharata B Rao */ 3140db800b21SDavid Gibson #define SPAPR_COMPAT_2_7 \ 3141db800b21SDavid Gibson HW_COMPAT_2_7 \ 3142357d1e3bSDavid Gibson { \ 3143357d1e3bSDavid Gibson .driver = TYPE_SPAPR_PCI_HOST_BRIDGE, \ 3144357d1e3bSDavid Gibson .property = "mem_win_size", \ 3145357d1e3bSDavid Gibson .value = stringify(SPAPR_PCI_2_7_MMIO_WIN_SIZE),\ 3146357d1e3bSDavid Gibson }, \ 3147357d1e3bSDavid Gibson { \ 3148357d1e3bSDavid Gibson .driver = TYPE_SPAPR_PCI_HOST_BRIDGE, \ 3149357d1e3bSDavid Gibson .property = "mem64_win_size", \ 3150357d1e3bSDavid Gibson .value = "0", \ 3151146c11f1SDavid Gibson }, \ 3152146c11f1SDavid Gibson { \ 3153146c11f1SDavid Gibson .driver = TYPE_POWERPC_CPU, \ 3154146c11f1SDavid Gibson .property = "pre-2.8-migration", \ 3155146c11f1SDavid Gibson .value = "on", \ 31565c4537bdSDavid Gibson }, \ 31575c4537bdSDavid Gibson { \ 31585c4537bdSDavid Gibson .driver = TYPE_SPAPR_PCI_HOST_BRIDGE, \ 31595c4537bdSDavid Gibson .property = "pre-2.8-migration", \ 31605c4537bdSDavid Gibson .value = "on", \ 3161357d1e3bSDavid Gibson }, 3162357d1e3bSDavid Gibson 3163357d1e3bSDavid Gibson static void phb_placement_2_7(sPAPRMachineState *spapr, uint32_t index, 3164357d1e3bSDavid Gibson uint64_t *buid, hwaddr *pio, 3165357d1e3bSDavid Gibson hwaddr *mmio32, hwaddr *mmio64, 3166357d1e3bSDavid Gibson unsigned n_dma, uint32_t *liobns, Error **errp) 3167357d1e3bSDavid Gibson { 3168357d1e3bSDavid Gibson /* Legacy PHB placement for pseries-2.7 and earlier machine types */ 3169357d1e3bSDavid Gibson const uint64_t base_buid = 0x800000020000000ULL; 3170357d1e3bSDavid Gibson const hwaddr phb_spacing = 0x1000000000ULL; /* 64 GiB */ 3171357d1e3bSDavid Gibson const hwaddr mmio_offset = 0xa0000000; /* 2 GiB + 512 MiB */ 3172357d1e3bSDavid Gibson const hwaddr pio_offset = 0x80000000; /* 2 GiB */ 3173357d1e3bSDavid Gibson const uint32_t max_index = 255; 3174357d1e3bSDavid Gibson const hwaddr phb0_alignment = 0x10000000000ULL; /* 1 TiB */ 3175357d1e3bSDavid Gibson 3176357d1e3bSDavid Gibson uint64_t ram_top = MACHINE(spapr)->ram_size; 3177357d1e3bSDavid Gibson hwaddr phb0_base, phb_base; 3178357d1e3bSDavid Gibson int i; 3179357d1e3bSDavid Gibson 3180357d1e3bSDavid Gibson /* Do we have hotpluggable memory? */ 3181357d1e3bSDavid Gibson if (MACHINE(spapr)->maxram_size > ram_top) { 3182357d1e3bSDavid Gibson /* Can't just use maxram_size, because there may be an 3183357d1e3bSDavid Gibson * alignment gap between normal and hotpluggable memory 3184357d1e3bSDavid Gibson * regions */ 3185357d1e3bSDavid Gibson ram_top = spapr->hotplug_memory.base + 3186357d1e3bSDavid Gibson memory_region_size(&spapr->hotplug_memory.mr); 3187357d1e3bSDavid Gibson } 3188357d1e3bSDavid Gibson 3189357d1e3bSDavid Gibson phb0_base = QEMU_ALIGN_UP(ram_top, phb0_alignment); 3190357d1e3bSDavid Gibson 3191357d1e3bSDavid Gibson if (index > max_index) { 3192357d1e3bSDavid Gibson error_setg(errp, "\"index\" for PAPR PHB is too large (max %u)", 3193357d1e3bSDavid Gibson max_index); 3194357d1e3bSDavid Gibson return; 3195357d1e3bSDavid Gibson } 3196357d1e3bSDavid Gibson 3197357d1e3bSDavid Gibson *buid = base_buid + index; 3198357d1e3bSDavid Gibson for (i = 0; i < n_dma; ++i) { 3199357d1e3bSDavid Gibson liobns[i] = SPAPR_PCI_LIOBN(index, i); 3200357d1e3bSDavid Gibson } 3201357d1e3bSDavid Gibson 3202357d1e3bSDavid Gibson phb_base = phb0_base + index * phb_spacing; 3203357d1e3bSDavid Gibson *pio = phb_base + pio_offset; 3204357d1e3bSDavid Gibson *mmio32 = phb_base + mmio_offset; 3205357d1e3bSDavid Gibson /* 3206357d1e3bSDavid Gibson * We don't set the 64-bit MMIO window, relying on the PHB's 3207357d1e3bSDavid Gibson * fallback behaviour of automatically splitting a large "32-bit" 3208357d1e3bSDavid Gibson * window into contiguous 32-bit and 64-bit windows 3209357d1e3bSDavid Gibson */ 3210357d1e3bSDavid Gibson } 3211db800b21SDavid Gibson 32121ea1eefcSBharata B Rao static void spapr_machine_2_7_instance_options(MachineState *machine) 32131ea1eefcSBharata B Rao { 3214f6229214SMichael Roth sPAPRMachineState *spapr = SPAPR_MACHINE(machine); 3215f6229214SMichael Roth 3216672de881SMichael Roth spapr_machine_2_8_instance_options(machine); 3217f6229214SMichael Roth spapr->use_hotplug_event_source = false; 32181ea1eefcSBharata B Rao } 32191ea1eefcSBharata B Rao 32201ea1eefcSBharata B Rao static void spapr_machine_2_7_class_options(MachineClass *mc) 32211ea1eefcSBharata B Rao { 32223daa4a9fSThomas Huth sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); 32233daa4a9fSThomas Huth 3224db800b21SDavid Gibson spapr_machine_2_8_class_options(mc); 32253daa4a9fSThomas Huth smc->tcg_default_cpu = "POWER7"; 3226db800b21SDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_7); 3227357d1e3bSDavid Gibson smc->phb_placement = phb_placement_2_7; 32281ea1eefcSBharata B Rao } 32291ea1eefcSBharata B Rao 3230db800b21SDavid Gibson DEFINE_SPAPR_MACHINE(2_7, "2.7", false); 32311ea1eefcSBharata B Rao 32321ea1eefcSBharata B Rao /* 32334b23699cSDavid Gibson * pseries-2.6 32344b23699cSDavid Gibson */ 32351ea1eefcSBharata B Rao #define SPAPR_COMPAT_2_6 \ 3236ae4de14cSAlexey Kardashevskiy HW_COMPAT_2_6 \ 3237ae4de14cSAlexey Kardashevskiy { \ 3238ae4de14cSAlexey Kardashevskiy .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,\ 3239ae4de14cSAlexey Kardashevskiy .property = "ddw",\ 3240ae4de14cSAlexey Kardashevskiy .value = stringify(off),\ 3241ae4de14cSAlexey Kardashevskiy }, 32421ea1eefcSBharata B Rao 32434b23699cSDavid Gibson static void spapr_machine_2_6_instance_options(MachineState *machine) 32444b23699cSDavid Gibson { 3245672de881SMichael Roth spapr_machine_2_7_instance_options(machine); 32464b23699cSDavid Gibson } 32474b23699cSDavid Gibson 32484b23699cSDavid Gibson static void spapr_machine_2_6_class_options(MachineClass *mc) 32494b23699cSDavid Gibson { 32501ea1eefcSBharata B Rao spapr_machine_2_7_class_options(mc); 3251c5514d0eSIgor Mammedov mc->has_hotpluggable_cpus = false; 32521ea1eefcSBharata B Rao SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_6); 32534b23699cSDavid Gibson } 32544b23699cSDavid Gibson 32551ea1eefcSBharata B Rao DEFINE_SPAPR_MACHINE(2_6, "2.6", false); 32564b23699cSDavid Gibson 32574b23699cSDavid Gibson /* 32581c5f29bbSDavid Gibson * pseries-2.5 32591c5f29bbSDavid Gibson */ 32604b23699cSDavid Gibson #define SPAPR_COMPAT_2_5 \ 326157c522f4SThomas Huth HW_COMPAT_2_5 \ 326257c522f4SThomas Huth { \ 326357c522f4SThomas Huth .driver = "spapr-vlan", \ 326457c522f4SThomas Huth .property = "use-rx-buffer-pools", \ 326557c522f4SThomas Huth .value = "off", \ 326657c522f4SThomas Huth }, 32674b23699cSDavid Gibson 32685013c547SDavid Gibson static void spapr_machine_2_5_instance_options(MachineState *machine) 32691c5f29bbSDavid Gibson { 3270672de881SMichael Roth spapr_machine_2_6_instance_options(machine); 32715013c547SDavid Gibson } 32725013c547SDavid Gibson 32735013c547SDavid Gibson static void spapr_machine_2_5_class_options(MachineClass *mc) 32745013c547SDavid Gibson { 327557040d45SThomas Huth sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); 327657040d45SThomas Huth 32774b23699cSDavid Gibson spapr_machine_2_6_class_options(mc); 327857040d45SThomas Huth smc->use_ohci_by_default = true; 32794b23699cSDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_5); 32801c5f29bbSDavid Gibson } 32811c5f29bbSDavid Gibson 32824b23699cSDavid Gibson DEFINE_SPAPR_MACHINE(2_5, "2.5", false); 32831c5f29bbSDavid Gibson 32841c5f29bbSDavid Gibson /* 32851c5f29bbSDavid Gibson * pseries-2.4 32861c5f29bbSDavid Gibson */ 328780fd50f9SCornelia Huck #define SPAPR_COMPAT_2_4 \ 328880fd50f9SCornelia Huck HW_COMPAT_2_4 328980fd50f9SCornelia Huck 32905013c547SDavid Gibson static void spapr_machine_2_4_instance_options(MachineState *machine) 32911c5f29bbSDavid Gibson { 32925013c547SDavid Gibson spapr_machine_2_5_instance_options(machine); 32935013c547SDavid Gibson } 32941c5f29bbSDavid Gibson 32955013c547SDavid Gibson static void spapr_machine_2_4_class_options(MachineClass *mc) 32965013c547SDavid Gibson { 3297fc9f38c3SDavid Gibson sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); 3298fc9f38c3SDavid Gibson 3299fc9f38c3SDavid Gibson spapr_machine_2_5_class_options(mc); 3300fc9f38c3SDavid Gibson smc->dr_lmb_enabled = false; 3301f949b4e5SDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_4); 33021c5f29bbSDavid Gibson } 33031c5f29bbSDavid Gibson 3304fccbc785SDavid Gibson DEFINE_SPAPR_MACHINE(2_4, "2.4", false); 33051c5f29bbSDavid Gibson 33061c5f29bbSDavid Gibson /* 33071c5f29bbSDavid Gibson * pseries-2.3 33081c5f29bbSDavid Gibson */ 330938ff32c6SEduardo Habkost #define SPAPR_COMPAT_2_3 \ 33107619c7b0SMichael Roth HW_COMPAT_2_3 \ 33117619c7b0SMichael Roth {\ 33127619c7b0SMichael Roth .driver = "spapr-pci-host-bridge",\ 33137619c7b0SMichael Roth .property = "dynamic-reconfiguration",\ 33147619c7b0SMichael Roth .value = "off",\ 33157619c7b0SMichael Roth }, 331638ff32c6SEduardo Habkost 33175013c547SDavid Gibson static void spapr_machine_2_3_instance_options(MachineState *machine) 33181c5f29bbSDavid Gibson { 33195013c547SDavid Gibson spapr_machine_2_4_instance_options(machine); 33201c5f29bbSDavid Gibson savevm_skip_section_footers(); 33211c5f29bbSDavid Gibson global_state_set_optional(); 332209b5e30dSGreg Kurz savevm_skip_configuration(); 33231c5f29bbSDavid Gibson } 33241c5f29bbSDavid Gibson 33255013c547SDavid Gibson static void spapr_machine_2_3_class_options(MachineClass *mc) 33261c5f29bbSDavid Gibson { 3327fc9f38c3SDavid Gibson spapr_machine_2_4_class_options(mc); 3328f949b4e5SDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_3); 33291c5f29bbSDavid Gibson } 3330fccbc785SDavid Gibson DEFINE_SPAPR_MACHINE(2_3, "2.3", false); 33311c5f29bbSDavid Gibson 33321c5f29bbSDavid Gibson /* 33331c5f29bbSDavid Gibson * pseries-2.2 33341c5f29bbSDavid Gibson */ 33351c5f29bbSDavid Gibson 3336b194df47SAlexey Kardashevskiy #define SPAPR_COMPAT_2_2 \ 33374dfd8eaaSEduardo Habkost HW_COMPAT_2_2 \ 3338b194df47SAlexey Kardashevskiy {\ 3339b194df47SAlexey Kardashevskiy .driver = TYPE_SPAPR_PCI_HOST_BRIDGE,\ 3340b194df47SAlexey Kardashevskiy .property = "mem_win_size",\ 3341b194df47SAlexey Kardashevskiy .value = "0x20000000",\ 3342dd754bafSEduardo Habkost }, 3343b194df47SAlexey Kardashevskiy 33445013c547SDavid Gibson static void spapr_machine_2_2_instance_options(MachineState *machine) 3345b0e966d0SJason Wang { 33465013c547SDavid Gibson spapr_machine_2_3_instance_options(machine); 3347cba0e779SGreg Kurz machine->suppress_vmdesc = true; 3348b0e966d0SJason Wang } 3349b0e966d0SJason Wang 33505013c547SDavid Gibson static void spapr_machine_2_2_class_options(MachineClass *mc) 3351b0e966d0SJason Wang { 3352fc9f38c3SDavid Gibson spapr_machine_2_3_class_options(mc); 3353f949b4e5SDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_2); 33541c5f29bbSDavid Gibson } 3355fccbc785SDavid Gibson DEFINE_SPAPR_MACHINE(2_2, "2.2", false); 33561c5f29bbSDavid Gibson 33571c5f29bbSDavid Gibson /* 33581c5f29bbSDavid Gibson * pseries-2.1 33591c5f29bbSDavid Gibson */ 33601c5f29bbSDavid Gibson #define SPAPR_COMPAT_2_1 \ 33611c5f29bbSDavid Gibson HW_COMPAT_2_1 33621c5f29bbSDavid Gibson 33635013c547SDavid Gibson static void spapr_machine_2_1_instance_options(MachineState *machine) 33641c5f29bbSDavid Gibson { 33655013c547SDavid Gibson spapr_machine_2_2_instance_options(machine); 33661c5f29bbSDavid Gibson } 33671c5f29bbSDavid Gibson 33685013c547SDavid Gibson static void spapr_machine_2_1_class_options(MachineClass *mc) 3369b0e966d0SJason Wang { 3370fc9f38c3SDavid Gibson spapr_machine_2_2_class_options(mc); 3371f949b4e5SDavid Gibson SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_1); 33726026db45SAlexey Kardashevskiy } 3373fccbc785SDavid Gibson DEFINE_SPAPR_MACHINE(2_1, "2.1", false); 33746026db45SAlexey Kardashevskiy 337529ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 337629ee3247SAlexey Kardashevskiy { 337729ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 337829ee3247SAlexey Kardashevskiy } 337929ee3247SAlexey Kardashevskiy 338029ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 3381