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 */ 2753018216SPaolo Bonzini #include "sysemu/sysemu.h" 2853018216SPaolo Bonzini #include "hw/hw.h" 2971461b0fSAlexey Kardashevskiy #include "hw/fw-path-provider.h" 3053018216SPaolo Bonzini #include "elf.h" 3153018216SPaolo Bonzini #include "net/net.h" 3253018216SPaolo Bonzini #include "sysemu/blockdev.h" 3353018216SPaolo Bonzini #include "sysemu/cpus.h" 3453018216SPaolo Bonzini #include "sysemu/kvm.h" 3553018216SPaolo Bonzini #include "kvm_ppc.h" 364be21d56SDavid Gibson #include "mmu-hash64.h" 373794d548SAlexey Kardashevskiy #include "qom/cpu.h" 3853018216SPaolo Bonzini 3953018216SPaolo Bonzini #include "hw/boards.h" 400d09e41aSPaolo Bonzini #include "hw/ppc/ppc.h" 4153018216SPaolo Bonzini #include "hw/loader.h" 4253018216SPaolo Bonzini 430d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 440d09e41aSPaolo Bonzini #include "hw/ppc/spapr_vio.h" 450d09e41aSPaolo Bonzini #include "hw/pci-host/spapr.h" 460d09e41aSPaolo Bonzini #include "hw/ppc/xics.h" 4753018216SPaolo Bonzini #include "hw/pci/msi.h" 4853018216SPaolo Bonzini 4953018216SPaolo Bonzini #include "hw/pci/pci.h" 5071461b0fSAlexey Kardashevskiy #include "hw/scsi/scsi.h" 5171461b0fSAlexey Kardashevskiy #include "hw/virtio/virtio-scsi.h" 5253018216SPaolo Bonzini 5353018216SPaolo Bonzini #include "exec/address-spaces.h" 5453018216SPaolo Bonzini #include "hw/usb.h" 5553018216SPaolo Bonzini #include "qemu/config-file.h" 56135a129aSAneesh Kumar K.V #include "qemu/error-report.h" 572a6593cbSAlexey Kardashevskiy #include "trace.h" 5853018216SPaolo Bonzini 5953018216SPaolo Bonzini #include <libfdt.h> 6053018216SPaolo Bonzini 6153018216SPaolo Bonzini /* SLOF memory layout: 6253018216SPaolo Bonzini * 6353018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 6453018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 6553018216SPaolo Bonzini * 6653018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6753018216SPaolo Bonzini * and more 6853018216SPaolo Bonzini * 6953018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 7053018216SPaolo Bonzini */ 713bf6eeddSAlexey Kardashevskiy #define FDT_MAX_SIZE 0x40000 7253018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 7353018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 7453018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 7553018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7653018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7753018216SPaolo Bonzini 7853018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 7953018216SPaolo Bonzini 8053018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 8153018216SPaolo Bonzini 8253018216SPaolo Bonzini #define MAX_CPUS 256 8353018216SPaolo Bonzini 8453018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8553018216SPaolo Bonzini 8653018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8753018216SPaolo Bonzini 88748abce9SEduardo Habkost 89748abce9SEduardo Habkost typedef struct SPAPRMachine SPAPRMachine; 9029ee3247SAlexey Kardashevskiy #define TYPE_SPAPR_MACHINE "spapr-machine" 91748abce9SEduardo Habkost #define SPAPR_MACHINE(obj) \ 92748abce9SEduardo Habkost OBJECT_CHECK(SPAPRMachine, (obj), TYPE_SPAPR_MACHINE) 93748abce9SEduardo Habkost 94748abce9SEduardo Habkost /** 95748abce9SEduardo Habkost * SPAPRMachine: 96748abce9SEduardo Habkost */ 97748abce9SEduardo Habkost struct SPAPRMachine { 98748abce9SEduardo Habkost /*< private >*/ 99748abce9SEduardo Habkost MachineState parent_obj; 10023825581SEduardo Habkost 10123825581SEduardo Habkost /*< public >*/ 10223825581SEduardo Habkost char *kvm_type; 103748abce9SEduardo Habkost }; 104748abce9SEduardo Habkost 10529ee3247SAlexey Kardashevskiy 10653018216SPaolo Bonzini sPAPREnvironment *spapr; 10753018216SPaolo Bonzini 10853018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 10953018216SPaolo Bonzini { 11053018216SPaolo Bonzini int irq; 11153018216SPaolo Bonzini 11253018216SPaolo Bonzini if (hint) { 11353018216SPaolo Bonzini irq = hint; 114f1c2dc7cSAlexey Kardashevskiy if (hint >= spapr->next_irq) { 115f1c2dc7cSAlexey Kardashevskiy spapr->next_irq = hint + 1; 116f1c2dc7cSAlexey Kardashevskiy } 11753018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 11853018216SPaolo Bonzini } else { 11953018216SPaolo Bonzini irq = spapr->next_irq++; 12053018216SPaolo Bonzini } 12153018216SPaolo Bonzini 12253018216SPaolo Bonzini /* Configure irq type */ 12353018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 12453018216SPaolo Bonzini return 0; 12553018216SPaolo Bonzini } 12653018216SPaolo Bonzini 12753018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 12853018216SPaolo Bonzini 12953018216SPaolo Bonzini return irq; 13053018216SPaolo Bonzini } 13153018216SPaolo Bonzini 132f1c2dc7cSAlexey Kardashevskiy /* 133f1c2dc7cSAlexey Kardashevskiy * Allocate block of consequtive IRQs, returns a number of the first. 134f1c2dc7cSAlexey Kardashevskiy * If msi==true, aligns the first IRQ number to num. 135f1c2dc7cSAlexey Kardashevskiy */ 136f1c2dc7cSAlexey Kardashevskiy int spapr_allocate_irq_block(int num, bool lsi, bool msi) 13753018216SPaolo Bonzini { 13853018216SPaolo Bonzini int first = -1; 139f1c2dc7cSAlexey Kardashevskiy int i, hint = 0; 140f1c2dc7cSAlexey Kardashevskiy 141f1c2dc7cSAlexey Kardashevskiy /* 142f1c2dc7cSAlexey Kardashevskiy * MSIMesage::data is used for storing VIRQ so 143f1c2dc7cSAlexey Kardashevskiy * it has to be aligned to num to support multiple 144f1c2dc7cSAlexey Kardashevskiy * MSI vectors. MSI-X is not affected by this. 145f1c2dc7cSAlexey Kardashevskiy * The hint is used for the first IRQ, the rest should 14673f395faSStefan Weil * be allocated continuously. 147f1c2dc7cSAlexey Kardashevskiy */ 148f1c2dc7cSAlexey Kardashevskiy if (msi) { 149f1c2dc7cSAlexey Kardashevskiy assert((num == 1) || (num == 2) || (num == 4) || 150f1c2dc7cSAlexey Kardashevskiy (num == 8) || (num == 16) || (num == 32)); 151f1c2dc7cSAlexey Kardashevskiy hint = (spapr->next_irq + num - 1) & ~(num - 1); 152f1c2dc7cSAlexey Kardashevskiy } 15353018216SPaolo Bonzini 15453018216SPaolo Bonzini for (i = 0; i < num; ++i) { 15553018216SPaolo Bonzini int irq; 15653018216SPaolo Bonzini 157f1c2dc7cSAlexey Kardashevskiy irq = spapr_allocate_irq(hint, lsi); 15853018216SPaolo Bonzini if (!irq) { 15953018216SPaolo Bonzini return -1; 16053018216SPaolo Bonzini } 16153018216SPaolo Bonzini 16253018216SPaolo Bonzini if (0 == i) { 16353018216SPaolo Bonzini first = irq; 164f1c2dc7cSAlexey Kardashevskiy hint = 0; 16553018216SPaolo Bonzini } 16653018216SPaolo Bonzini 16753018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 16853018216SPaolo Bonzini * an internal bug */ 16953018216SPaolo Bonzini assert(irq == (first + i)); 17053018216SPaolo Bonzini } 17153018216SPaolo Bonzini 17253018216SPaolo Bonzini return first; 17353018216SPaolo Bonzini } 17453018216SPaolo Bonzini 175c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 176c04d6cfaSAnthony Liguori int nr_irqs) 177c04d6cfaSAnthony Liguori { 178c04d6cfaSAnthony Liguori DeviceState *dev; 179c04d6cfaSAnthony Liguori 180c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 181c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 182c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 183c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 184c04d6cfaSAnthony Liguori return NULL; 185c04d6cfaSAnthony Liguori } 186c04d6cfaSAnthony Liguori 1875a3d7b23SAlexey Kardashevskiy return XICS_COMMON(dev); 188c04d6cfaSAnthony Liguori } 189c04d6cfaSAnthony Liguori 190c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 191c04d6cfaSAnthony Liguori { 192c04d6cfaSAnthony Liguori XICSState *icp = NULL; 193c04d6cfaSAnthony Liguori 19411ad93f6SDavid Gibson if (kvm_enabled()) { 19511ad93f6SDavid Gibson QemuOpts *machine_opts = qemu_get_machine_opts(); 19611ad93f6SDavid Gibson bool irqchip_allowed = qemu_opt_get_bool(machine_opts, 19711ad93f6SDavid Gibson "kernel_irqchip", true); 19811ad93f6SDavid Gibson bool irqchip_required = qemu_opt_get_bool(machine_opts, 19911ad93f6SDavid Gibson "kernel_irqchip", false); 20011ad93f6SDavid Gibson if (irqchip_allowed) { 20111ad93f6SDavid Gibson icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs); 20211ad93f6SDavid Gibson } 20311ad93f6SDavid Gibson 20411ad93f6SDavid Gibson if (irqchip_required && !icp) { 20511ad93f6SDavid Gibson perror("Failed to create in-kernel XICS\n"); 20611ad93f6SDavid Gibson abort(); 20711ad93f6SDavid Gibson } 20811ad93f6SDavid Gibson } 20911ad93f6SDavid Gibson 21011ad93f6SDavid Gibson if (!icp) { 211c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 21211ad93f6SDavid Gibson } 21311ad93f6SDavid Gibson 214c04d6cfaSAnthony Liguori if (!icp) { 215c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 216c04d6cfaSAnthony Liguori abort(); 217c04d6cfaSAnthony Liguori } 218c04d6cfaSAnthony Liguori 219c04d6cfaSAnthony Liguori return icp; 220c04d6cfaSAnthony Liguori } 221c04d6cfaSAnthony Liguori 222833d4668SAlexey Kardashevskiy static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, 223833d4668SAlexey Kardashevskiy int smt_threads) 224833d4668SAlexey Kardashevskiy { 225833d4668SAlexey Kardashevskiy int i, ret = 0; 226833d4668SAlexey Kardashevskiy uint32_t servers_prop[smt_threads]; 227833d4668SAlexey Kardashevskiy uint32_t gservers_prop[smt_threads * 2]; 228833d4668SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 229833d4668SAlexey Kardashevskiy 2306d9412eaSAlexey Kardashevskiy if (cpu->cpu_version) { 2316d9412eaSAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "cpu-version", 2326d9412eaSAlexey Kardashevskiy &cpu->cpu_version, sizeof(cpu->cpu_version)); 2336d9412eaSAlexey Kardashevskiy if (ret < 0) { 2346d9412eaSAlexey Kardashevskiy return ret; 2356d9412eaSAlexey Kardashevskiy } 2366d9412eaSAlexey Kardashevskiy } 2376d9412eaSAlexey Kardashevskiy 238833d4668SAlexey Kardashevskiy /* Build interrupt servers and gservers properties */ 239833d4668SAlexey Kardashevskiy for (i = 0; i < smt_threads; i++) { 240833d4668SAlexey Kardashevskiy servers_prop[i] = cpu_to_be32(index + i); 241833d4668SAlexey Kardashevskiy /* Hack, direct the group queues back to cpu 0 */ 242833d4668SAlexey Kardashevskiy gservers_prop[i*2] = cpu_to_be32(index + i); 243833d4668SAlexey Kardashevskiy gservers_prop[i*2 + 1] = 0; 244833d4668SAlexey Kardashevskiy } 245833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 246833d4668SAlexey Kardashevskiy servers_prop, sizeof(servers_prop)); 247833d4668SAlexey Kardashevskiy if (ret < 0) { 248833d4668SAlexey Kardashevskiy return ret; 249833d4668SAlexey Kardashevskiy } 250833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", 251833d4668SAlexey Kardashevskiy gservers_prop, sizeof(gservers_prop)); 252833d4668SAlexey Kardashevskiy 253833d4668SAlexey Kardashevskiy return ret; 254833d4668SAlexey Kardashevskiy } 255833d4668SAlexey Kardashevskiy 25653018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 25753018216SPaolo Bonzini { 25882677ed2SAlexey Kardashevskiy int ret = 0, offset, cpus_offset; 25982677ed2SAlexey Kardashevskiy CPUState *cs; 26053018216SPaolo Bonzini char cpu_model[32]; 26153018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 26253018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 26353018216SPaolo Bonzini 26482677ed2SAlexey Kardashevskiy CPU_FOREACH(cs) { 26582677ed2SAlexey Kardashevskiy PowerPCCPU *cpu = POWERPC_CPU(cs); 26682677ed2SAlexey Kardashevskiy DeviceClass *dc = DEVICE_GET_CLASS(cs); 26782677ed2SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 26853018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 26953018216SPaolo Bonzini cpu_to_be32(0x0), 27053018216SPaolo Bonzini cpu_to_be32(0x0), 27153018216SPaolo Bonzini cpu_to_be32(0x0), 27282677ed2SAlexey Kardashevskiy cpu_to_be32(cs->numa_node), 2730f20ba62SAlexey Kardashevskiy cpu_to_be32(index)}; 27453018216SPaolo Bonzini 2750f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 27653018216SPaolo Bonzini continue; 27753018216SPaolo Bonzini } 27853018216SPaolo Bonzini 27982677ed2SAlexey Kardashevskiy snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index); 28053018216SPaolo Bonzini 28182677ed2SAlexey Kardashevskiy cpus_offset = fdt_path_offset(fdt, "/cpus"); 28282677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 28382677ed2SAlexey Kardashevskiy cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), 28482677ed2SAlexey Kardashevskiy "cpus"); 28582677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 28682677ed2SAlexey Kardashevskiy return cpus_offset; 28782677ed2SAlexey Kardashevskiy } 28882677ed2SAlexey Kardashevskiy } 28982677ed2SAlexey Kardashevskiy offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model); 29082677ed2SAlexey Kardashevskiy if (offset < 0) { 29182677ed2SAlexey Kardashevskiy offset = fdt_add_subnode(fdt, cpus_offset, cpu_model); 29253018216SPaolo Bonzini if (offset < 0) { 29353018216SPaolo Bonzini return offset; 29453018216SPaolo Bonzini } 29582677ed2SAlexey Kardashevskiy } 29653018216SPaolo Bonzini 29753018216SPaolo Bonzini if (nb_numa_nodes > 1) { 29853018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 29953018216SPaolo Bonzini sizeof(associativity)); 30053018216SPaolo Bonzini if (ret < 0) { 30153018216SPaolo Bonzini return ret; 30253018216SPaolo Bonzini } 30353018216SPaolo Bonzini } 30453018216SPaolo Bonzini 30553018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 30653018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 30753018216SPaolo Bonzini if (ret < 0) { 30853018216SPaolo Bonzini return ret; 30953018216SPaolo Bonzini } 310833d4668SAlexey Kardashevskiy 31182677ed2SAlexey Kardashevskiy ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, 3122a48d993SAlexey Kardashevskiy ppc_get_compat_smt_threads(cpu)); 313833d4668SAlexey Kardashevskiy if (ret < 0) { 314833d4668SAlexey Kardashevskiy return ret; 315833d4668SAlexey Kardashevskiy } 31653018216SPaolo Bonzini } 31753018216SPaolo Bonzini return ret; 31853018216SPaolo Bonzini } 31953018216SPaolo Bonzini 32053018216SPaolo Bonzini 32153018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 32253018216SPaolo Bonzini size_t maxsize) 32353018216SPaolo Bonzini { 32453018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 32553018216SPaolo Bonzini int i, j, count; 32653018216SPaolo Bonzini uint32_t *p = prop; 32753018216SPaolo Bonzini 32853018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 32953018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 33053018216SPaolo Bonzini 33153018216SPaolo Bonzini if (!sps->page_shift) { 33253018216SPaolo Bonzini break; 33353018216SPaolo Bonzini } 33453018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 33553018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 33653018216SPaolo Bonzini break; 33753018216SPaolo Bonzini } 33853018216SPaolo Bonzini } 33953018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 34053018216SPaolo Bonzini break; 34153018216SPaolo Bonzini } 34253018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 34353018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 34453018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 34553018216SPaolo Bonzini for (j = 0; j < count; j++) { 34653018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 34753018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 34853018216SPaolo Bonzini } 34953018216SPaolo Bonzini } 35053018216SPaolo Bonzini 35153018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 35253018216SPaolo Bonzini } 35353018216SPaolo Bonzini 35453018216SPaolo Bonzini #define _FDT(exp) \ 35553018216SPaolo Bonzini do { \ 35653018216SPaolo Bonzini int ret = (exp); \ 35753018216SPaolo Bonzini if (ret < 0) { \ 35853018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 35953018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 36053018216SPaolo Bonzini exit(1); \ 36153018216SPaolo Bonzini } \ 36253018216SPaolo Bonzini } while (0) 36353018216SPaolo Bonzini 364a1d59c0fSAlexey Kardashevskiy static void add_str(GString *s, const gchar *s1) 365a1d59c0fSAlexey Kardashevskiy { 366a1d59c0fSAlexey Kardashevskiy g_string_append_len(s, s1, strlen(s1) + 1); 367a1d59c0fSAlexey Kardashevskiy } 36853018216SPaolo Bonzini 3693bbf37f2SAndreas Färber static void *spapr_create_fdt_skel(hwaddr initrd_base, 37053018216SPaolo Bonzini hwaddr initrd_size, 37153018216SPaolo Bonzini hwaddr kernel_size, 37216457e7fSBenjamin Herrenschmidt bool little_endian, 37353018216SPaolo Bonzini const char *boot_device, 37453018216SPaolo Bonzini const char *kernel_cmdline, 37553018216SPaolo Bonzini uint32_t epow_irq) 37653018216SPaolo Bonzini { 37753018216SPaolo Bonzini void *fdt; 378182735efSAndreas Färber CPUState *cs; 37953018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 38053018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 381a1d59c0fSAlexey Kardashevskiy GString *hypertas = g_string_sized_new(256); 382a1d59c0fSAlexey Kardashevskiy GString *qemu_hypertas = g_string_sized_new(256); 38353018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 38453018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 385833d4668SAlexey Kardashevskiy int smt = kvmppc_smt_threads(); 38653018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 38710582ff8SAlexey Kardashevskiy QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); 38810582ff8SAlexey Kardashevskiy unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; 38910582ff8SAlexey Kardashevskiy uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; 39053018216SPaolo Bonzini 391a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-pft"); 392a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-term"); 393a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-dabr"); 394a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-interrupt"); 395a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-tce"); 396a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-vio"); 397a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-splpar"); 398a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-bulk"); 399a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-set-mode"); 400a1d59c0fSAlexey Kardashevskiy add_str(qemu_hypertas, "hcall-memop1"); 401a1d59c0fSAlexey Kardashevskiy 40253018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 40353018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 40453018216SPaolo Bonzini 40553018216SPaolo Bonzini if (kernel_size) { 40653018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 40753018216SPaolo Bonzini } 40853018216SPaolo Bonzini if (initrd_size) { 40953018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 41053018216SPaolo Bonzini } 41153018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 41253018216SPaolo Bonzini 41353018216SPaolo Bonzini /* Root node */ 41453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 41553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 41653018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 417fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 41853018216SPaolo Bonzini 41953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 42053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 42153018216SPaolo Bonzini 42253018216SPaolo Bonzini /* /chosen */ 42353018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 42453018216SPaolo Bonzini 42553018216SPaolo Bonzini /* Set Form1_affinity */ 42653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 42753018216SPaolo Bonzini 42853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 42953018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 43053018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 43153018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 43253018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 43353018216SPaolo Bonzini if (kernel_size) { 43453018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 43553018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 43653018216SPaolo Bonzini 43753018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 43816457e7fSBenjamin Herrenschmidt if (little_endian) { 43916457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 44016457e7fSBenjamin Herrenschmidt } 44153018216SPaolo Bonzini } 44253018216SPaolo Bonzini if (boot_device) { 44353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 44453018216SPaolo Bonzini } 445*cc84c0f3SAvik Sil if (boot_menu) { 446*cc84c0f3SAvik Sil _FDT((fdt_property_cell(fdt, "qemu,boot-menu", boot_menu))); 447*cc84c0f3SAvik Sil } 44853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 44953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 45053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 45153018216SPaolo Bonzini 45253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 45353018216SPaolo Bonzini 45453018216SPaolo Bonzini /* cpus */ 45553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 45653018216SPaolo Bonzini 45753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 45853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 45953018216SPaolo Bonzini 460bdc44640SAndreas Färber CPU_FOREACH(cs) { 461182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 462182735efSAndreas Färber CPUPPCState *env = &cpu->env; 4633bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cs); 464182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 4650f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 46653018216SPaolo Bonzini char *nodename; 46753018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 46853018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 46953018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 47053018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 47153018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 47253018216SPaolo Bonzini size_t page_sizes_prop_size; 47353018216SPaolo Bonzini 47453018216SPaolo Bonzini if ((index % smt) != 0) { 47553018216SPaolo Bonzini continue; 47653018216SPaolo Bonzini } 47753018216SPaolo Bonzini 4783bbf37f2SAndreas Färber nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 47953018216SPaolo Bonzini 48053018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 48153018216SPaolo Bonzini 48253018216SPaolo Bonzini g_free(nodename); 48353018216SPaolo Bonzini 48453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 48553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 48653018216SPaolo Bonzini 48753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 4880cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 48953018216SPaolo Bonzini env->dcache_line_size))); 4900cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 4910cbad81fSDavid Gibson env->dcache_line_size))); 4920cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 49353018216SPaolo Bonzini env->icache_line_size))); 4940cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 4950cbad81fSDavid Gibson env->icache_line_size))); 4960cbad81fSDavid Gibson 4970cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 4980cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 4990cbad81fSDavid Gibson } else { 5000cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 5010cbad81fSDavid Gibson } 5020cbad81fSDavid Gibson if (pcc->l1_icache_size) { 5030cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 5040cbad81fSDavid Gibson } else { 5050cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 5060cbad81fSDavid Gibson } 5070cbad81fSDavid Gibson 50853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 50953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 51053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 51153018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 51253018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 51353018216SPaolo Bonzini 514dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 515dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 516dcb861cbSAlexey Kardashevskiy } 517dcb861cbSAlexey Kardashevskiy 51853018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 51953018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 52053018216SPaolo Bonzini segs, sizeof(segs)))); 52153018216SPaolo Bonzini } 52253018216SPaolo Bonzini 52353018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 52453018216SPaolo Bonzini * 0 / no property == no vector extensions 52553018216SPaolo Bonzini * 1 == VMX / Altivec available 52653018216SPaolo Bonzini * 2 == VSX available */ 52753018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 52853018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 52953018216SPaolo Bonzini 53053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 53153018216SPaolo Bonzini } 53253018216SPaolo Bonzini 53353018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 53453018216SPaolo Bonzini * 0 / no property == no DFP 53553018216SPaolo Bonzini * 1 == DFP available */ 53653018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 53753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 53853018216SPaolo Bonzini } 53953018216SPaolo Bonzini 54053018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 54153018216SPaolo Bonzini sizeof(page_sizes_prop)); 54253018216SPaolo Bonzini if (page_sizes_prop_size) { 54353018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 54453018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 54553018216SPaolo Bonzini } 54653018216SPaolo Bonzini 54710582ff8SAlexey Kardashevskiy _FDT((fdt_property_cell(fdt, "ibm,chip-id", 54810582ff8SAlexey Kardashevskiy cs->cpu_index / cpus_per_socket))); 54910582ff8SAlexey Kardashevskiy 55053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55153018216SPaolo Bonzini } 55253018216SPaolo Bonzini 55353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55453018216SPaolo Bonzini 55553018216SPaolo Bonzini /* RTAS */ 55653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 55753018216SPaolo Bonzini 558da95324eSAlexey Kardashevskiy if (!kvm_enabled() || kvmppc_spapr_use_multitce()) { 559da95324eSAlexey Kardashevskiy add_str(hypertas, "hcall-multi-tce"); 560da95324eSAlexey Kardashevskiy } 561a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas->str, 562a1d59c0fSAlexey Kardashevskiy hypertas->len))); 563a1d59c0fSAlexey Kardashevskiy g_string_free(hypertas, TRUE); 564a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas->str, 565a1d59c0fSAlexey Kardashevskiy qemu_hypertas->len))); 566a1d59c0fSAlexey Kardashevskiy g_string_free(qemu_hypertas, TRUE); 56753018216SPaolo Bonzini 56853018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 56953018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 57053018216SPaolo Bonzini 57153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 57253018216SPaolo Bonzini 57353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 57453018216SPaolo Bonzini 57553018216SPaolo Bonzini /* interrupt controller */ 57653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 57753018216SPaolo Bonzini 57853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 57953018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 58053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 58153018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 58253018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 58353018216SPaolo Bonzini interrupt_server_ranges_prop, 58453018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 58553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 58653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 58753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 58853018216SPaolo Bonzini 58953018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 59053018216SPaolo Bonzini 59153018216SPaolo Bonzini /* vdevice */ 59253018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 59353018216SPaolo Bonzini 59453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 59553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 59653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 59753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 59853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 59953018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 60053018216SPaolo Bonzini 60153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 60253018216SPaolo Bonzini 60353018216SPaolo Bonzini /* event-sources */ 60453018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 60553018216SPaolo Bonzini 606f7d69146SAlexander Graf /* /hypervisor node */ 607f7d69146SAlexander Graf if (kvm_enabled()) { 608f7d69146SAlexander Graf uint8_t hypercall[16]; 609f7d69146SAlexander Graf 610f7d69146SAlexander Graf /* indicate KVM hypercall interface */ 611f7d69146SAlexander Graf _FDT((fdt_begin_node(fdt, "hypervisor"))); 612f7d69146SAlexander Graf _FDT((fdt_property_string(fdt, "compatible", "linux,kvm"))); 613f7d69146SAlexander Graf if (kvmppc_has_cap_fixup_hcalls()) { 614f7d69146SAlexander Graf /* 615f7d69146SAlexander Graf * Older KVM versions with older guest kernels were broken with the 616f7d69146SAlexander Graf * magic page, don't allow the guest to map it. 617f7d69146SAlexander Graf */ 618f7d69146SAlexander Graf kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, 619f7d69146SAlexander Graf sizeof(hypercall)); 620f7d69146SAlexander Graf _FDT((fdt_property(fdt, "hcall-instructions", hypercall, 621f7d69146SAlexander Graf sizeof(hypercall)))); 622f7d69146SAlexander Graf } 623f7d69146SAlexander Graf _FDT((fdt_end_node(fdt))); 624f7d69146SAlexander Graf } 625f7d69146SAlexander Graf 62653018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 62753018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 62853018216SPaolo Bonzini 62953018216SPaolo Bonzini return fdt; 63053018216SPaolo Bonzini } 63153018216SPaolo Bonzini 6322a6593cbSAlexey Kardashevskiy int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) 6332a6593cbSAlexey Kardashevskiy { 6342a6593cbSAlexey Kardashevskiy void *fdt, *fdt_skel; 6352a6593cbSAlexey Kardashevskiy sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; 6362a6593cbSAlexey Kardashevskiy 6372a6593cbSAlexey Kardashevskiy size -= sizeof(hdr); 6382a6593cbSAlexey Kardashevskiy 6392a6593cbSAlexey Kardashevskiy /* Create sceleton */ 6402a6593cbSAlexey Kardashevskiy fdt_skel = g_malloc0(size); 6412a6593cbSAlexey Kardashevskiy _FDT((fdt_create(fdt_skel, size))); 6422a6593cbSAlexey Kardashevskiy _FDT((fdt_begin_node(fdt_skel, ""))); 6432a6593cbSAlexey Kardashevskiy _FDT((fdt_end_node(fdt_skel))); 6442a6593cbSAlexey Kardashevskiy _FDT((fdt_finish(fdt_skel))); 6452a6593cbSAlexey Kardashevskiy fdt = g_malloc0(size); 6462a6593cbSAlexey Kardashevskiy _FDT((fdt_open_into(fdt_skel, fdt, size))); 6472a6593cbSAlexey Kardashevskiy g_free(fdt_skel); 6482a6593cbSAlexey Kardashevskiy 6493794d548SAlexey Kardashevskiy /* Fix skeleton up */ 6503794d548SAlexey Kardashevskiy _FDT((spapr_fixup_cpu_dt(fdt, spapr))); 6512a6593cbSAlexey Kardashevskiy 6522a6593cbSAlexey Kardashevskiy /* Pack resulting tree */ 6532a6593cbSAlexey Kardashevskiy _FDT((fdt_pack(fdt))); 6542a6593cbSAlexey Kardashevskiy 6552a6593cbSAlexey Kardashevskiy if (fdt_totalsize(fdt) + sizeof(hdr) > size) { 6562a6593cbSAlexey Kardashevskiy trace_spapr_cas_failed(size); 6572a6593cbSAlexey Kardashevskiy return -1; 6582a6593cbSAlexey Kardashevskiy } 6592a6593cbSAlexey Kardashevskiy 6602a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); 6612a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); 6622a6593cbSAlexey Kardashevskiy trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); 6632a6593cbSAlexey Kardashevskiy g_free(fdt); 6642a6593cbSAlexey Kardashevskiy 6652a6593cbSAlexey Kardashevskiy return 0; 6662a6593cbSAlexey Kardashevskiy } 6672a6593cbSAlexey Kardashevskiy 66853018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 66953018216SPaolo Bonzini { 67053018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 67153018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 67253018216SPaolo Bonzini cpu_to_be32(0x0)}; 67353018216SPaolo Bonzini char mem_name[32]; 6745fe269b1SPaul Mackerras hwaddr node0_size, mem_start, node_size; 67553018216SPaolo Bonzini uint64_t mem_reg_property[2]; 67653018216SPaolo Bonzini int i, off; 67753018216SPaolo Bonzini 67853018216SPaolo Bonzini /* memory node(s) */ 6798c85901eSWanlong Gao if (nb_numa_nodes > 1 && numa_info[0].node_mem < ram_size) { 6808c85901eSWanlong Gao node0_size = numa_info[0].node_mem; 6815fe269b1SPaul Mackerras } else { 6825fe269b1SPaul Mackerras node0_size = ram_size; 6835fe269b1SPaul Mackerras } 68453018216SPaolo Bonzini 68553018216SPaolo Bonzini /* RMA */ 68653018216SPaolo Bonzini mem_reg_property[0] = 0; 68753018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 68853018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 68953018216SPaolo Bonzini _FDT(off); 69053018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 69153018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 69253018216SPaolo Bonzini sizeof(mem_reg_property)))); 69353018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 69453018216SPaolo Bonzini sizeof(associativity)))); 69553018216SPaolo Bonzini 69653018216SPaolo Bonzini /* RAM: Node 0 */ 69753018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 69853018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 69953018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 70053018216SPaolo Bonzini 70153018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 70253018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 70353018216SPaolo Bonzini _FDT(off); 70453018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 70553018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 70653018216SPaolo Bonzini sizeof(mem_reg_property)))); 70753018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 70853018216SPaolo Bonzini sizeof(associativity)))); 70953018216SPaolo Bonzini } 71053018216SPaolo Bonzini 71153018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 71253018216SPaolo Bonzini mem_start = node0_size; 71353018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 71453018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 7155fe269b1SPaul Mackerras if (mem_start >= ram_size) { 7165fe269b1SPaul Mackerras node_size = 0; 7175fe269b1SPaul Mackerras } else { 7188c85901eSWanlong Gao node_size = numa_info[i].node_mem; 7195fe269b1SPaul Mackerras if (node_size > ram_size - mem_start) { 7205fe269b1SPaul Mackerras node_size = ram_size - mem_start; 7215fe269b1SPaul Mackerras } 7225fe269b1SPaul Mackerras } 7235fe269b1SPaul Mackerras mem_reg_property[1] = cpu_to_be64(node_size); 72453018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 72553018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 72653018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 72753018216SPaolo Bonzini _FDT(off); 72853018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 72953018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 73053018216SPaolo Bonzini sizeof(mem_reg_property)))); 73153018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 73253018216SPaolo Bonzini sizeof(associativity)))); 7335fe269b1SPaul Mackerras mem_start += node_size; 73453018216SPaolo Bonzini } 73553018216SPaolo Bonzini 73653018216SPaolo Bonzini return 0; 73753018216SPaolo Bonzini } 73853018216SPaolo Bonzini 73953018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 74053018216SPaolo Bonzini hwaddr fdt_addr, 74153018216SPaolo Bonzini hwaddr rtas_addr, 74253018216SPaolo Bonzini hwaddr rtas_size) 74353018216SPaolo Bonzini { 74471461b0fSAlexey Kardashevskiy int ret, i; 74571461b0fSAlexey Kardashevskiy size_t cb = 0; 74671461b0fSAlexey Kardashevskiy char *bootlist; 74753018216SPaolo Bonzini void *fdt; 74853018216SPaolo Bonzini sPAPRPHBState *phb; 74953018216SPaolo Bonzini 75053018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 75153018216SPaolo Bonzini 75253018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 75353018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 75453018216SPaolo Bonzini 75553018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 75653018216SPaolo Bonzini if (ret < 0) { 75753018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 75853018216SPaolo Bonzini exit(1); 75953018216SPaolo Bonzini } 76053018216SPaolo Bonzini 76153018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 76253018216SPaolo Bonzini if (ret < 0) { 76353018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 76453018216SPaolo Bonzini exit(1); 76553018216SPaolo Bonzini } 76653018216SPaolo Bonzini 76753018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 76853018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 76953018216SPaolo Bonzini } 77053018216SPaolo Bonzini 77153018216SPaolo Bonzini if (ret < 0) { 77253018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 77353018216SPaolo Bonzini exit(1); 77453018216SPaolo Bonzini } 77553018216SPaolo Bonzini 77653018216SPaolo Bonzini /* RTAS */ 77753018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 77853018216SPaolo Bonzini if (ret < 0) { 77953018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 78053018216SPaolo Bonzini } 78153018216SPaolo Bonzini 78253018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 78353018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 78453018216SPaolo Bonzini if (ret < 0) { 78553018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 78653018216SPaolo Bonzini } 78753018216SPaolo Bonzini 78871461b0fSAlexey Kardashevskiy bootlist = get_boot_devices_list(&cb, true); 78971461b0fSAlexey Kardashevskiy if (cb && bootlist) { 79071461b0fSAlexey Kardashevskiy int offset = fdt_path_offset(fdt, "/chosen"); 79171461b0fSAlexey Kardashevskiy if (offset < 0) { 79271461b0fSAlexey Kardashevskiy exit(1); 79371461b0fSAlexey Kardashevskiy } 79471461b0fSAlexey Kardashevskiy for (i = 0; i < cb; i++) { 79571461b0fSAlexey Kardashevskiy if (bootlist[i] == '\n') { 79671461b0fSAlexey Kardashevskiy bootlist[i] = ' '; 79771461b0fSAlexey Kardashevskiy } 79871461b0fSAlexey Kardashevskiy 79971461b0fSAlexey Kardashevskiy } 80071461b0fSAlexey Kardashevskiy ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); 80171461b0fSAlexey Kardashevskiy } 80271461b0fSAlexey Kardashevskiy 80353018216SPaolo Bonzini if (!spapr->has_graphics) { 80453018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 80553018216SPaolo Bonzini } 80653018216SPaolo Bonzini 80753018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 80853018216SPaolo Bonzini 80953018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 81053018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 81153018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 81253018216SPaolo Bonzini exit(1); 81353018216SPaolo Bonzini } 81453018216SPaolo Bonzini 81553018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 81653018216SPaolo Bonzini 81753018216SPaolo Bonzini g_free(fdt); 81853018216SPaolo Bonzini } 81953018216SPaolo Bonzini 82053018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 82153018216SPaolo Bonzini { 82253018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 82353018216SPaolo Bonzini } 82453018216SPaolo Bonzini 82553018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 82653018216SPaolo Bonzini { 82753018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 82853018216SPaolo Bonzini 82953018216SPaolo Bonzini if (msr_pr) { 83053018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 83153018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 83253018216SPaolo Bonzini } else { 83353018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 83453018216SPaolo Bonzini } 83553018216SPaolo Bonzini } 83653018216SPaolo Bonzini 83753018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 83853018216SPaolo Bonzini { 83953018216SPaolo Bonzini long shift; 84053018216SPaolo Bonzini 84153018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 84253018216SPaolo Bonzini * later we should probably make it scale to the size of guest 84353018216SPaolo Bonzini * RAM */ 84453018216SPaolo Bonzini 84553018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 84653018216SPaolo Bonzini 84753018216SPaolo Bonzini if (shift > 0) { 84853018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 84953018216SPaolo Bonzini spapr->htab_shift = shift; 8507c43bca0SAneesh Kumar K.V kvmppc_kern_htab = true; 85153018216SPaolo Bonzini } else { 85253018216SPaolo Bonzini if (!spapr->htab) { 85353018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 85453018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 85553018216SPaolo Bonzini } 85653018216SPaolo Bonzini 85753018216SPaolo Bonzini /* And clear it */ 85853018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 85953018216SPaolo Bonzini } 86053018216SPaolo Bonzini 86153018216SPaolo Bonzini /* Update the RMA size if necessary */ 86253018216SPaolo Bonzini if (spapr->vrma_adjust) { 8638c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? 8648c85901eSWanlong Gao numa_info[0].node_mem : ram_size; 865c4177479SAlexey Kardashevskiy spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); 86653018216SPaolo Bonzini } 86753018216SPaolo Bonzini } 86853018216SPaolo Bonzini 86953018216SPaolo Bonzini static void ppc_spapr_reset(void) 87053018216SPaolo Bonzini { 871182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 872259186a7SAndreas Färber 87353018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 87453018216SPaolo Bonzini spapr_reset_htab(spapr); 87553018216SPaolo Bonzini 87653018216SPaolo Bonzini qemu_devices_reset(); 87753018216SPaolo Bonzini 87853018216SPaolo Bonzini /* Load the fdt */ 87953018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 88053018216SPaolo Bonzini spapr->rtas_size); 88153018216SPaolo Bonzini 88253018216SPaolo Bonzini /* Set up the entry state */ 883182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 884182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 885182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 886182735efSAndreas Färber first_cpu->halted = 0; 887182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 88853018216SPaolo Bonzini 88953018216SPaolo Bonzini } 89053018216SPaolo Bonzini 89153018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 89253018216SPaolo Bonzini { 89353018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 894259186a7SAndreas Färber CPUState *cs = CPU(cpu); 89553018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 89653018216SPaolo Bonzini 897259186a7SAndreas Färber cpu_reset(cs); 89853018216SPaolo Bonzini 89953018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 90053018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 90153018216SPaolo Bonzini * using an RTAS call */ 902259186a7SAndreas Färber cs->halted = 1; 90353018216SPaolo Bonzini 90453018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 90553018216SPaolo Bonzini 9064be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 9075736245cSAneesh Kumar K.V if (kvm_enabled() && !env->external_htab) { 9085736245cSAneesh Kumar K.V /* 9095736245cSAneesh Kumar K.V * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte* 9105736245cSAneesh Kumar K.V * functions do the right thing. 9115736245cSAneesh Kumar K.V */ 9125736245cSAneesh Kumar K.V env->external_htab = (void *)1; 9135736245cSAneesh Kumar K.V } 91453018216SPaolo Bonzini env->htab_base = -1; 915f3c75d42SAneesh Kumar K.V /* 916f3c75d42SAneesh Kumar K.V * htab_mask is the mask used to normalize hash value to PTEG index. 917f3c75d42SAneesh Kumar K.V * htab_shift is log2 of hash table size. 918f3c75d42SAneesh Kumar K.V * We have 8 hpte per group, and each hpte is 16 bytes. 919f3c75d42SAneesh Kumar K.V * ie have 128 bytes per hpte entry. 920f3c75d42SAneesh Kumar K.V */ 921f3c75d42SAneesh Kumar K.V env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; 922ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 92353018216SPaolo Bonzini (spapr->htab_shift - 18); 92453018216SPaolo Bonzini } 92553018216SPaolo Bonzini 92653018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 92753018216SPaolo Bonzini { 9282ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 9293978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 93053018216SPaolo Bonzini 9313978b863SPaolo Bonzini if (dinfo) { 9323978b863SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); 93353018216SPaolo Bonzini } 93453018216SPaolo Bonzini 93553018216SPaolo Bonzini qdev_init_nofail(dev); 93653018216SPaolo Bonzini 93753018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 93853018216SPaolo Bonzini } 93953018216SPaolo Bonzini 94053018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 94153018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 94253018216SPaolo Bonzini { 94353018216SPaolo Bonzini switch (vga_interface_type) { 94453018216SPaolo Bonzini case VGA_NONE: 9457effdaa3SMark Wu return false; 9467effdaa3SMark Wu case VGA_DEVICE: 9477effdaa3SMark Wu return true; 94853018216SPaolo Bonzini case VGA_STD: 94953018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 95053018216SPaolo Bonzini default: 95153018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 95253018216SPaolo Bonzini "currently it only supports -vga std\n"); 95353018216SPaolo Bonzini exit(0); 95453018216SPaolo Bonzini } 95553018216SPaolo Bonzini } 95653018216SPaolo Bonzini 9574be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 9584be21d56SDavid Gibson .name = "spapr", 95998a8b524SAlexey Kardashevskiy .version_id = 2, 9604be21d56SDavid Gibson .minimum_version_id = 1, 9614be21d56SDavid Gibson .fields = (VMStateField[]) { 9624be21d56SDavid Gibson VMSTATE_UINT32(next_irq, sPAPREnvironment), 9634be21d56SDavid Gibson 9644be21d56SDavid Gibson /* RTC offset */ 9654be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 96698a8b524SAlexey Kardashevskiy VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), 9674be21d56SDavid Gibson VMSTATE_END_OF_LIST() 9684be21d56SDavid Gibson }, 9694be21d56SDavid Gibson }; 9704be21d56SDavid Gibson 9714be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 9724be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 9734be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 9744be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 9754be21d56SDavid Gibson 9764be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 9774be21d56SDavid Gibson { 9784be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 9794be21d56SDavid Gibson 9804be21d56SDavid Gibson /* "Iteration" header */ 9814be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 9824be21d56SDavid Gibson 983e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 984e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 985e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 986e68cb8b4SAlexey Kardashevskiy } else { 987e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 988e68cb8b4SAlexey Kardashevskiy 989e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 990e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 991e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 992e68cb8b4SAlexey Kardashevskiy strerror(errno)); 993e68cb8b4SAlexey Kardashevskiy return -1; 994e68cb8b4SAlexey Kardashevskiy } 9954be21d56SDavid Gibson } 9964be21d56SDavid Gibson 997e68cb8b4SAlexey Kardashevskiy 998e68cb8b4SAlexey Kardashevskiy return 0; 999e68cb8b4SAlexey Kardashevskiy } 10004be21d56SDavid Gibson 10014be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 10024be21d56SDavid Gibson int64_t max_ns) 10034be21d56SDavid Gibson { 10044be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 10054be21d56SDavid Gibson int index = spapr->htab_save_index; 1006bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 10074be21d56SDavid Gibson 10084be21d56SDavid Gibson assert(spapr->htab_first_pass); 10094be21d56SDavid Gibson 10104be21d56SDavid Gibson do { 10114be21d56SDavid Gibson int chunkstart; 10124be21d56SDavid Gibson 10134be21d56SDavid Gibson /* Consume invalid HPTEs */ 10144be21d56SDavid Gibson while ((index < htabslots) 10154be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10164be21d56SDavid Gibson index++; 10174be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10184be21d56SDavid Gibson } 10194be21d56SDavid Gibson 10204be21d56SDavid Gibson /* Consume valid HPTEs */ 10214be21d56SDavid Gibson chunkstart = index; 10224be21d56SDavid Gibson while ((index < htabslots) 10234be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10244be21d56SDavid Gibson index++; 10254be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10264be21d56SDavid Gibson } 10274be21d56SDavid Gibson 10284be21d56SDavid Gibson if (index > chunkstart) { 10294be21d56SDavid Gibson int n_valid = index - chunkstart; 10304be21d56SDavid Gibson 10314be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10324be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10334be21d56SDavid Gibson qemu_put_be16(f, 0); 10344be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10354be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10364be21d56SDavid Gibson 1037bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 10384be21d56SDavid Gibson break; 10394be21d56SDavid Gibson } 10404be21d56SDavid Gibson } 10414be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 10424be21d56SDavid Gibson 10434be21d56SDavid Gibson if (index >= htabslots) { 10444be21d56SDavid Gibson assert(index == htabslots); 10454be21d56SDavid Gibson index = 0; 10464be21d56SDavid Gibson spapr->htab_first_pass = false; 10474be21d56SDavid Gibson } 10484be21d56SDavid Gibson spapr->htab_save_index = index; 10494be21d56SDavid Gibson } 10504be21d56SDavid Gibson 1051e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 10524be21d56SDavid Gibson int64_t max_ns) 10534be21d56SDavid Gibson { 10544be21d56SDavid Gibson bool final = max_ns < 0; 10554be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 10564be21d56SDavid Gibson int examined = 0, sent = 0; 10574be21d56SDavid Gibson int index = spapr->htab_save_index; 1058bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 10594be21d56SDavid Gibson 10604be21d56SDavid Gibson assert(!spapr->htab_first_pass); 10614be21d56SDavid Gibson 10624be21d56SDavid Gibson do { 10634be21d56SDavid Gibson int chunkstart, invalidstart; 10644be21d56SDavid Gibson 10654be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 10664be21d56SDavid Gibson while ((index < htabslots) 10674be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 10684be21d56SDavid Gibson index++; 10694be21d56SDavid Gibson examined++; 10704be21d56SDavid Gibson } 10714be21d56SDavid Gibson 10724be21d56SDavid Gibson chunkstart = index; 10734be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 10744be21d56SDavid Gibson while ((index < htabslots) 10754be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10764be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10774be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10784be21d56SDavid Gibson index++; 10794be21d56SDavid Gibson examined++; 10804be21d56SDavid Gibson } 10814be21d56SDavid Gibson 10824be21d56SDavid Gibson invalidstart = index; 10834be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 10844be21d56SDavid Gibson while ((index < htabslots) 10854be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10864be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10874be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10884be21d56SDavid Gibson index++; 10894be21d56SDavid Gibson examined++; 10904be21d56SDavid Gibson } 10914be21d56SDavid Gibson 10924be21d56SDavid Gibson if (index > chunkstart) { 10934be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 10944be21d56SDavid Gibson int n_invalid = index - invalidstart; 10954be21d56SDavid Gibson 10964be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10974be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10984be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 10994be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 11004be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 11014be21d56SDavid Gibson sent += index - chunkstart; 11024be21d56SDavid Gibson 1103bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 11044be21d56SDavid Gibson break; 11054be21d56SDavid Gibson } 11064be21d56SDavid Gibson } 11074be21d56SDavid Gibson 11084be21d56SDavid Gibson if (examined >= htabslots) { 11094be21d56SDavid Gibson break; 11104be21d56SDavid Gibson } 11114be21d56SDavid Gibson 11124be21d56SDavid Gibson if (index >= htabslots) { 11134be21d56SDavid Gibson assert(index == htabslots); 11144be21d56SDavid Gibson index = 0; 11154be21d56SDavid Gibson } 11164be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 11174be21d56SDavid Gibson 11184be21d56SDavid Gibson if (index >= htabslots) { 11194be21d56SDavid Gibson assert(index == htabslots); 11204be21d56SDavid Gibson index = 0; 11214be21d56SDavid Gibson } 11224be21d56SDavid Gibson 11234be21d56SDavid Gibson spapr->htab_save_index = index; 11244be21d56SDavid Gibson 1125e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 11264be21d56SDavid Gibson } 11274be21d56SDavid Gibson 1128e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 1129e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 1130e68cb8b4SAlexey Kardashevskiy 11314be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 11324be21d56SDavid Gibson { 11334be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 1134e68cb8b4SAlexey Kardashevskiy int rc = 0; 11354be21d56SDavid Gibson 11364be21d56SDavid Gibson /* Iteration header */ 11374be21d56SDavid Gibson qemu_put_be32(f, 0); 11384be21d56SDavid Gibson 1139e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1140e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1141e68cb8b4SAlexey Kardashevskiy 1142e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 1143e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1144e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1145e68cb8b4SAlexey Kardashevskiy return rc; 1146e68cb8b4SAlexey Kardashevskiy } 1147e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 11484be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 11494be21d56SDavid Gibson } else { 1150e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 11514be21d56SDavid Gibson } 11524be21d56SDavid Gibson 11534be21d56SDavid Gibson /* End marker */ 11544be21d56SDavid Gibson qemu_put_be32(f, 0); 11554be21d56SDavid Gibson qemu_put_be16(f, 0); 11564be21d56SDavid Gibson qemu_put_be16(f, 0); 11574be21d56SDavid Gibson 1158e68cb8b4SAlexey Kardashevskiy return rc; 11594be21d56SDavid Gibson } 11604be21d56SDavid Gibson 11614be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 11624be21d56SDavid Gibson { 11634be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11644be21d56SDavid Gibson 11654be21d56SDavid Gibson /* Iteration header */ 11664be21d56SDavid Gibson qemu_put_be32(f, 0); 11674be21d56SDavid Gibson 1168e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1169e68cb8b4SAlexey Kardashevskiy int rc; 1170e68cb8b4SAlexey Kardashevskiy 1171e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1172e68cb8b4SAlexey Kardashevskiy 1173e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 1174e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1175e68cb8b4SAlexey Kardashevskiy return rc; 1176e68cb8b4SAlexey Kardashevskiy } 1177e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 1178e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 1179e68cb8b4SAlexey Kardashevskiy } else { 11804be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1181e68cb8b4SAlexey Kardashevskiy } 11824be21d56SDavid Gibson 11834be21d56SDavid Gibson /* End marker */ 11844be21d56SDavid Gibson qemu_put_be32(f, 0); 11854be21d56SDavid Gibson qemu_put_be16(f, 0); 11864be21d56SDavid Gibson qemu_put_be16(f, 0); 11874be21d56SDavid Gibson 11884be21d56SDavid Gibson return 0; 11894be21d56SDavid Gibson } 11904be21d56SDavid Gibson 11914be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 11924be21d56SDavid Gibson { 11934be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11944be21d56SDavid Gibson uint32_t section_hdr; 1195e68cb8b4SAlexey Kardashevskiy int fd = -1; 11964be21d56SDavid Gibson 11974be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 11984be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 11994be21d56SDavid Gibson return -EINVAL; 12004be21d56SDavid Gibson } 12014be21d56SDavid Gibson 12024be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 12034be21d56SDavid Gibson 12044be21d56SDavid Gibson if (section_hdr) { 12054be21d56SDavid Gibson /* First section, just the hash shift */ 12064be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 12074be21d56SDavid Gibson return -EINVAL; 12084be21d56SDavid Gibson } 12094be21d56SDavid Gibson return 0; 12104be21d56SDavid Gibson } 12114be21d56SDavid Gibson 1212e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1213e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1214e68cb8b4SAlexey Kardashevskiy 1215e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1216e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1217e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1218e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1219e68cb8b4SAlexey Kardashevskiy } 1220e68cb8b4SAlexey Kardashevskiy } 1221e68cb8b4SAlexey Kardashevskiy 12224be21d56SDavid Gibson while (true) { 12234be21d56SDavid Gibson uint32_t index; 12244be21d56SDavid Gibson uint16_t n_valid, n_invalid; 12254be21d56SDavid Gibson 12264be21d56SDavid Gibson index = qemu_get_be32(f); 12274be21d56SDavid Gibson n_valid = qemu_get_be16(f); 12284be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 12294be21d56SDavid Gibson 12304be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 12314be21d56SDavid Gibson /* End of Stream */ 12324be21d56SDavid Gibson break; 12334be21d56SDavid Gibson } 12344be21d56SDavid Gibson 1235e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 12364be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 12374be21d56SDavid Gibson /* Bad index in stream */ 12384be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1239e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1240e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 12414be21d56SDavid Gibson return -EINVAL; 12424be21d56SDavid Gibson } 12434be21d56SDavid Gibson 1244e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 12454be21d56SDavid Gibson if (n_valid) { 12464be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 12474be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 12484be21d56SDavid Gibson } 12494be21d56SDavid Gibson if (n_invalid) { 12504be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 12514be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 12524be21d56SDavid Gibson } 1253e68cb8b4SAlexey Kardashevskiy } else { 1254e68cb8b4SAlexey Kardashevskiy int rc; 1255e68cb8b4SAlexey Kardashevskiy 1256e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1257e68cb8b4SAlexey Kardashevskiy 1258e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1259e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1260e68cb8b4SAlexey Kardashevskiy return rc; 1261e68cb8b4SAlexey Kardashevskiy } 1262e68cb8b4SAlexey Kardashevskiy } 1263e68cb8b4SAlexey Kardashevskiy } 1264e68cb8b4SAlexey Kardashevskiy 1265e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1266e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1267e68cb8b4SAlexey Kardashevskiy close(fd); 12684be21d56SDavid Gibson } 12694be21d56SDavid Gibson 12704be21d56SDavid Gibson return 0; 12714be21d56SDavid Gibson } 12724be21d56SDavid Gibson 12734be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 12744be21d56SDavid Gibson .save_live_setup = htab_save_setup, 12754be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 12764be21d56SDavid Gibson .save_live_complete = htab_save_complete, 12774be21d56SDavid Gibson .load_state = htab_load, 12784be21d56SDavid Gibson }; 12794be21d56SDavid Gibson 128053018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 12813ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 128253018216SPaolo Bonzini { 12833ef96221SMarcel Apfelbaum ram_addr_t ram_size = machine->ram_size; 12843ef96221SMarcel Apfelbaum const char *cpu_model = machine->cpu_model; 12853ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 12863ef96221SMarcel Apfelbaum const char *kernel_cmdline = machine->kernel_cmdline; 12873ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 12883ef96221SMarcel Apfelbaum const char *boot_device = machine->boot_order; 128953018216SPaolo Bonzini PowerPCCPU *cpu; 129053018216SPaolo Bonzini CPUPPCState *env; 129153018216SPaolo Bonzini PCIHostState *phb; 129253018216SPaolo Bonzini int i; 129353018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 129453018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 129553018216SPaolo Bonzini hwaddr rma_alloc_size; 12968c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size; 129753018216SPaolo Bonzini uint32_t initrd_base = 0; 129853018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 129953018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 130016457e7fSBenjamin Herrenschmidt bool kernel_le = false; 130153018216SPaolo Bonzini char *filename; 130253018216SPaolo Bonzini 130353018216SPaolo Bonzini msi_supported = true; 130453018216SPaolo Bonzini 130553018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 130653018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 130753018216SPaolo Bonzini 130853018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 130953018216SPaolo Bonzini 131053018216SPaolo Bonzini /* Allocate RMA if necessary */ 131153018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 131253018216SPaolo Bonzini 131353018216SPaolo Bonzini if (rma_alloc_size == -1) { 131453018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 131553018216SPaolo Bonzini exit(1); 131653018216SPaolo Bonzini } 131753018216SPaolo Bonzini 1318c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 131953018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 132053018216SPaolo Bonzini } else { 1321c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 132253018216SPaolo Bonzini 132353018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 132453018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 132553018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 132653018216SPaolo Bonzini * 132753018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 132853018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 132953018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 133053018216SPaolo Bonzini * isn't determined yet. 133153018216SPaolo Bonzini */ 133253018216SPaolo Bonzini if (kvm_enabled()) { 133353018216SPaolo Bonzini spapr->vrma_adjust = 1; 133453018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 133553018216SPaolo Bonzini } 133653018216SPaolo Bonzini } 133753018216SPaolo Bonzini 1338c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1339c4177479SAlexey Kardashevskiy fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n", 1340c4177479SAlexey Kardashevskiy spapr->rma_size); 1341c4177479SAlexey Kardashevskiy exit(1); 1342c4177479SAlexey Kardashevskiy } 1343c4177479SAlexey Kardashevskiy 134453018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 134553018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 134653018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 134753018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 134853018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 134953018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 135053018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 135153018216SPaolo Bonzini 135253018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 135353018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 135453018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 135553018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 135653018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 135753018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 135853018216SPaolo Bonzini break; 135953018216SPaolo Bonzini } 136053018216SPaolo Bonzini spapr->htab_shift++; 136153018216SPaolo Bonzini } 136253018216SPaolo Bonzini 13637b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 13647b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 13657b565160SDavid Gibson XICS_IRQS); 13667b565160SDavid Gibson spapr->next_irq = XICS_IRQ_BASE; 13677b565160SDavid Gibson 136853018216SPaolo Bonzini /* init CPUs */ 136953018216SPaolo Bonzini if (cpu_model == NULL) { 137053018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 137153018216SPaolo Bonzini } 137253018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 137353018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 137453018216SPaolo Bonzini if (cpu == NULL) { 137553018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 137653018216SPaolo Bonzini exit(1); 137753018216SPaolo Bonzini } 137853018216SPaolo Bonzini env = &cpu->env; 137953018216SPaolo Bonzini 138053018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 138153018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 138253018216SPaolo Bonzini 13832cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 13842cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 13852cf3eb6dSFabien Chouteau */ 13862cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 138753018216SPaolo Bonzini 138853018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 138953018216SPaolo Bonzini if (kvm_enabled()) { 139053018216SPaolo Bonzini kvmppc_set_papr(cpu); 139153018216SPaolo Bonzini } 139253018216SPaolo Bonzini 13936d9412eaSAlexey Kardashevskiy if (cpu->max_compat) { 13946d9412eaSAlexey Kardashevskiy if (ppc_set_compat(cpu, cpu->max_compat) < 0) { 13956d9412eaSAlexey Kardashevskiy exit(1); 13966d9412eaSAlexey Kardashevskiy } 13976d9412eaSAlexey Kardashevskiy } 13986d9412eaSAlexey Kardashevskiy 139924408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 140024408a7dSAlexey Kardashevskiy 140153018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 140253018216SPaolo Bonzini } 140353018216SPaolo Bonzini 140453018216SPaolo Bonzini /* allocate RAM */ 140553018216SPaolo Bonzini spapr->ram_limit = ram_size; 140653018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 140753018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 140853018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 140953018216SPaolo Bonzini 14102c9b15caSPaolo Bonzini memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size); 141153018216SPaolo Bonzini vmstate_register_ram_global(ram); 141253018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 141353018216SPaolo Bonzini } 141453018216SPaolo Bonzini 141553018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 141653018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 141753018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 141853018216SPaolo Bonzini if (spapr->rtas_size < 0) { 141953018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 142053018216SPaolo Bonzini exit(1); 142153018216SPaolo Bonzini } 142253018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 142353018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 142453018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 142553018216SPaolo Bonzini exit(1); 142653018216SPaolo Bonzini } 142753018216SPaolo Bonzini g_free(filename); 142853018216SPaolo Bonzini 142953018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 143053018216SPaolo Bonzini spapr_events_init(spapr); 143153018216SPaolo Bonzini 143253018216SPaolo Bonzini /* Set up VIO bus */ 143353018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 143453018216SPaolo Bonzini 143553018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 143653018216SPaolo Bonzini if (serial_hds[i]) { 143753018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 143853018216SPaolo Bonzini } 143953018216SPaolo Bonzini } 144053018216SPaolo Bonzini 144153018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 144253018216SPaolo Bonzini spapr_create_nvram(spapr); 144353018216SPaolo Bonzini 144453018216SPaolo Bonzini /* Set up PCI */ 1445f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 144653018216SPaolo Bonzini spapr_pci_rtas_init(); 144753018216SPaolo Bonzini 144889dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 144953018216SPaolo Bonzini 145053018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 145153018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 145253018216SPaolo Bonzini 145353018216SPaolo Bonzini if (!nd->model) { 145453018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 145553018216SPaolo Bonzini } 145653018216SPaolo Bonzini 145753018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 145853018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 145953018216SPaolo Bonzini } else { 146029b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 146153018216SPaolo Bonzini } 146253018216SPaolo Bonzini } 146353018216SPaolo Bonzini 146453018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 146553018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 146653018216SPaolo Bonzini } 146753018216SPaolo Bonzini 146853018216SPaolo Bonzini /* Graphics */ 146953018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 147053018216SPaolo Bonzini spapr->has_graphics = true; 147153018216SPaolo Bonzini } 147253018216SPaolo Bonzini 147353018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 147453018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 147553018216SPaolo Bonzini if (spapr->has_graphics) { 147653018216SPaolo Bonzini usbdevice_create("keyboard"); 147753018216SPaolo Bonzini usbdevice_create("mouse"); 147853018216SPaolo Bonzini } 147953018216SPaolo Bonzini } 148053018216SPaolo Bonzini 148153018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 148253018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 148353018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 148453018216SPaolo Bonzini exit(1); 148553018216SPaolo Bonzini } 148653018216SPaolo Bonzini 148753018216SPaolo Bonzini if (kernel_filename) { 148853018216SPaolo Bonzini uint64_t lowaddr = 0; 148953018216SPaolo Bonzini 149053018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 149153018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 14923b66da82SAlexey Kardashevskiy if (kernel_size == ELF_LOAD_WRONG_ENDIAN) { 149316457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 149416457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 149516457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 149616457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 149716457e7fSBenjamin Herrenschmidt } 149816457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 14993b66da82SAlexey Kardashevskiy fprintf(stderr, "qemu: error loading %s: %s\n", 15003b66da82SAlexey Kardashevskiy kernel_filename, load_elf_strerror(kernel_size)); 150153018216SPaolo Bonzini exit(1); 150253018216SPaolo Bonzini } 150353018216SPaolo Bonzini 150453018216SPaolo Bonzini /* load initrd */ 150553018216SPaolo Bonzini if (initrd_filename) { 150653018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 150753018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 150853018216SPaolo Bonzini */ 150953018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 151053018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 151153018216SPaolo Bonzini load_limit - initrd_base); 151253018216SPaolo Bonzini if (initrd_size < 0) { 151353018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 151453018216SPaolo Bonzini initrd_filename); 151553018216SPaolo Bonzini exit(1); 151653018216SPaolo Bonzini } 151753018216SPaolo Bonzini } else { 151853018216SPaolo Bonzini initrd_base = 0; 151953018216SPaolo Bonzini initrd_size = 0; 152053018216SPaolo Bonzini } 152153018216SPaolo Bonzini } 152253018216SPaolo Bonzini 15238e7ea787SAndreas Färber if (bios_name == NULL) { 15248e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 15258e7ea787SAndreas Färber } 15268e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 152753018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 152853018216SPaolo Bonzini if (fw_size < 0) { 152953018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 153053018216SPaolo Bonzini exit(1); 153153018216SPaolo Bonzini } 153253018216SPaolo Bonzini g_free(filename); 153353018216SPaolo Bonzini 153453018216SPaolo Bonzini spapr->entry_point = 0x100; 153553018216SPaolo Bonzini 15364be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 15374be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 15384be21d56SDavid Gibson &savevm_htab_handlers, spapr); 15394be21d56SDavid Gibson 154053018216SPaolo Bonzini /* Prepare the device tree */ 15413bbf37f2SAndreas Färber spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size, 154216457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 154353018216SPaolo Bonzini boot_device, kernel_cmdline, 154453018216SPaolo Bonzini spapr->epow_irq); 154553018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 154653018216SPaolo Bonzini } 154753018216SPaolo Bonzini 1548135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 1549135a129aSAneesh Kumar K.V { 1550135a129aSAneesh Kumar K.V if (!vm_type) { 1551135a129aSAneesh Kumar K.V return 0; 1552135a129aSAneesh Kumar K.V } 1553135a129aSAneesh Kumar K.V 1554135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 1555135a129aSAneesh Kumar K.V return 1; 1556135a129aSAneesh Kumar K.V } 1557135a129aSAneesh Kumar K.V 1558135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 1559135a129aSAneesh Kumar K.V return 2; 1560135a129aSAneesh Kumar K.V } 1561135a129aSAneesh Kumar K.V 1562135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 1563135a129aSAneesh Kumar K.V exit(1); 1564135a129aSAneesh Kumar K.V } 1565135a129aSAneesh Kumar K.V 156671461b0fSAlexey Kardashevskiy /* 156771461b0fSAlexey Kardashevskiy * Implementation of an interface to adjust firmware patch 156871461b0fSAlexey Kardashevskiy * for the bootindex property handling. 156971461b0fSAlexey Kardashevskiy */ 157071461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 157171461b0fSAlexey Kardashevskiy DeviceState *dev) 157271461b0fSAlexey Kardashevskiy { 157371461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 157471461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 157571461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 157671461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 157771461b0fSAlexey Kardashevskiy 157871461b0fSAlexey Kardashevskiy if (d) { 157971461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 158071461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 158171461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 158271461b0fSAlexey Kardashevskiy 158371461b0fSAlexey Kardashevskiy if (spapr) { 158471461b0fSAlexey Kardashevskiy /* 158571461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 158671461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 158771461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 158871461b0fSAlexey Kardashevskiy */ 158971461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 159071461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 159171461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 159271461b0fSAlexey Kardashevskiy } else if (virtio) { 159371461b0fSAlexey Kardashevskiy /* 159471461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 159571461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 159671461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 159771461b0fSAlexey Kardashevskiy * the actual binding is: 159871461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 159971461b0fSAlexey Kardashevskiy */ 160071461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 160171461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 160271461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 160371461b0fSAlexey Kardashevskiy } else if (usb) { 160471461b0fSAlexey Kardashevskiy /* 160571461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 160671461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 160771461b0fSAlexey Kardashevskiy */ 160871461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 160971461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 161071461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 161171461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 161271461b0fSAlexey Kardashevskiy } 161371461b0fSAlexey Kardashevskiy } 161471461b0fSAlexey Kardashevskiy 161571461b0fSAlexey Kardashevskiy if (phb) { 161671461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 161771461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 161871461b0fSAlexey Kardashevskiy } 161971461b0fSAlexey Kardashevskiy 162071461b0fSAlexey Kardashevskiy return NULL; 162171461b0fSAlexey Kardashevskiy } 162271461b0fSAlexey Kardashevskiy 162323825581SEduardo Habkost static char *spapr_get_kvm_type(Object *obj, Error **errp) 162423825581SEduardo Habkost { 162523825581SEduardo Habkost SPAPRMachine *sm = SPAPR_MACHINE(obj); 162623825581SEduardo Habkost 162723825581SEduardo Habkost return g_strdup(sm->kvm_type); 162823825581SEduardo Habkost } 162923825581SEduardo Habkost 163023825581SEduardo Habkost static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) 163123825581SEduardo Habkost { 163223825581SEduardo Habkost SPAPRMachine *sm = SPAPR_MACHINE(obj); 163323825581SEduardo Habkost 163423825581SEduardo Habkost g_free(sm->kvm_type); 163523825581SEduardo Habkost sm->kvm_type = g_strdup(value); 163623825581SEduardo Habkost } 163723825581SEduardo Habkost 163823825581SEduardo Habkost static void spapr_machine_initfn(Object *obj) 163923825581SEduardo Habkost { 164023825581SEduardo Habkost object_property_add_str(obj, "kvm-type", 164123825581SEduardo Habkost spapr_get_kvm_type, spapr_set_kvm_type, NULL); 164223825581SEduardo Habkost } 164323825581SEduardo Habkost 164429ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 164553018216SPaolo Bonzini { 164629ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 164771461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 164829ee3247SAlexey Kardashevskiy 1649958db90cSMarcel Apfelbaum mc->name = "pseries"; 1650958db90cSMarcel Apfelbaum mc->desc = "pSeries Logical Partition (PAPR compliant)"; 1651958db90cSMarcel Apfelbaum mc->is_default = 1; 1652958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 1653958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 1654958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 1655958db90cSMarcel Apfelbaum mc->max_cpus = MAX_CPUS; 1656958db90cSMarcel Apfelbaum mc->no_parallel = 1; 1657958db90cSMarcel Apfelbaum mc->default_boot_order = NULL; 1658958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 165900b4fbe2SMarcel Apfelbaum 166071461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 166153018216SPaolo Bonzini } 166253018216SPaolo Bonzini 166329ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 166429ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 166529ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 1666748abce9SEduardo Habkost .instance_size = sizeof(SPAPRMachine), 166723825581SEduardo Habkost .instance_init = spapr_machine_initfn, 166829ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 166971461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 167071461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 167171461b0fSAlexey Kardashevskiy { } 167271461b0fSAlexey Kardashevskiy }, 167329ee3247SAlexey Kardashevskiy }; 167429ee3247SAlexey Kardashevskiy 167529ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 167629ee3247SAlexey Kardashevskiy { 167729ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 167829ee3247SAlexey Kardashevskiy } 167929ee3247SAlexey Kardashevskiy 168029ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 1681