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 88*6ca1502eSAlexey Kardashevskiy typedef struct sPAPRMachineState sPAPRMachineState; 89748abce9SEduardo Habkost 9029ee3247SAlexey Kardashevskiy #define TYPE_SPAPR_MACHINE "spapr-machine" 91748abce9SEduardo Habkost #define SPAPR_MACHINE(obj) \ 92*6ca1502eSAlexey Kardashevskiy OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE) 93748abce9SEduardo Habkost 94748abce9SEduardo Habkost /** 95*6ca1502eSAlexey Kardashevskiy * sPAPRMachineState: 96748abce9SEduardo Habkost */ 97*6ca1502eSAlexey Kardashevskiy struct sPAPRMachineState { 98748abce9SEduardo Habkost /*< private >*/ 99748abce9SEduardo Habkost MachineState parent_obj; 10023825581SEduardo Habkost 10123825581SEduardo Habkost /*< public >*/ 10223825581SEduardo Habkost char *kvm_type; 103748abce9SEduardo Habkost }; 104748abce9SEduardo Habkost 10553018216SPaolo Bonzini sPAPREnvironment *spapr; 10653018216SPaolo Bonzini 10753018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 10853018216SPaolo Bonzini { 10953018216SPaolo Bonzini int irq; 11053018216SPaolo Bonzini 11153018216SPaolo Bonzini if (hint) { 11253018216SPaolo Bonzini irq = hint; 113f1c2dc7cSAlexey Kardashevskiy if (hint >= spapr->next_irq) { 114f1c2dc7cSAlexey Kardashevskiy spapr->next_irq = hint + 1; 115f1c2dc7cSAlexey Kardashevskiy } 11653018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 11753018216SPaolo Bonzini } else { 11853018216SPaolo Bonzini irq = spapr->next_irq++; 11953018216SPaolo Bonzini } 12053018216SPaolo Bonzini 12153018216SPaolo Bonzini /* Configure irq type */ 12253018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 12353018216SPaolo Bonzini return 0; 12453018216SPaolo Bonzini } 12553018216SPaolo Bonzini 12653018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 12753018216SPaolo Bonzini 12853018216SPaolo Bonzini return irq; 12953018216SPaolo Bonzini } 13053018216SPaolo Bonzini 131f1c2dc7cSAlexey Kardashevskiy /* 132f1c2dc7cSAlexey Kardashevskiy * Allocate block of consequtive IRQs, returns a number of the first. 133f1c2dc7cSAlexey Kardashevskiy * If msi==true, aligns the first IRQ number to num. 134f1c2dc7cSAlexey Kardashevskiy */ 135f1c2dc7cSAlexey Kardashevskiy int spapr_allocate_irq_block(int num, bool lsi, bool msi) 13653018216SPaolo Bonzini { 13753018216SPaolo Bonzini int first = -1; 138f1c2dc7cSAlexey Kardashevskiy int i, hint = 0; 139f1c2dc7cSAlexey Kardashevskiy 140f1c2dc7cSAlexey Kardashevskiy /* 141f1c2dc7cSAlexey Kardashevskiy * MSIMesage::data is used for storing VIRQ so 142f1c2dc7cSAlexey Kardashevskiy * it has to be aligned to num to support multiple 143f1c2dc7cSAlexey Kardashevskiy * MSI vectors. MSI-X is not affected by this. 144f1c2dc7cSAlexey Kardashevskiy * The hint is used for the first IRQ, the rest should 14573f395faSStefan Weil * be allocated continuously. 146f1c2dc7cSAlexey Kardashevskiy */ 147f1c2dc7cSAlexey Kardashevskiy if (msi) { 148f1c2dc7cSAlexey Kardashevskiy assert((num == 1) || (num == 2) || (num == 4) || 149f1c2dc7cSAlexey Kardashevskiy (num == 8) || (num == 16) || (num == 32)); 150f1c2dc7cSAlexey Kardashevskiy hint = (spapr->next_irq + num - 1) & ~(num - 1); 151f1c2dc7cSAlexey Kardashevskiy } 15253018216SPaolo Bonzini 15353018216SPaolo Bonzini for (i = 0; i < num; ++i) { 15453018216SPaolo Bonzini int irq; 15553018216SPaolo Bonzini 156f1c2dc7cSAlexey Kardashevskiy irq = spapr_allocate_irq(hint, lsi); 15753018216SPaolo Bonzini if (!irq) { 15853018216SPaolo Bonzini return -1; 15953018216SPaolo Bonzini } 16053018216SPaolo Bonzini 16153018216SPaolo Bonzini if (0 == i) { 16253018216SPaolo Bonzini first = irq; 163f1c2dc7cSAlexey Kardashevskiy hint = 0; 16453018216SPaolo Bonzini } 16553018216SPaolo Bonzini 16653018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 16753018216SPaolo Bonzini * an internal bug */ 16853018216SPaolo Bonzini assert(irq == (first + i)); 16953018216SPaolo Bonzini } 17053018216SPaolo Bonzini 17153018216SPaolo Bonzini return first; 17253018216SPaolo Bonzini } 17353018216SPaolo Bonzini 174c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 175c04d6cfaSAnthony Liguori int nr_irqs) 176c04d6cfaSAnthony Liguori { 177c04d6cfaSAnthony Liguori DeviceState *dev; 178c04d6cfaSAnthony Liguori 179c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 180c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 181c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 182c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 183c04d6cfaSAnthony Liguori return NULL; 184c04d6cfaSAnthony Liguori } 185c04d6cfaSAnthony Liguori 1865a3d7b23SAlexey Kardashevskiy return XICS_COMMON(dev); 187c04d6cfaSAnthony Liguori } 188c04d6cfaSAnthony Liguori 189c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 190c04d6cfaSAnthony Liguori { 191c04d6cfaSAnthony Liguori XICSState *icp = NULL; 192c04d6cfaSAnthony Liguori 19311ad93f6SDavid Gibson if (kvm_enabled()) { 19411ad93f6SDavid Gibson QemuOpts *machine_opts = qemu_get_machine_opts(); 19511ad93f6SDavid Gibson bool irqchip_allowed = qemu_opt_get_bool(machine_opts, 19611ad93f6SDavid Gibson "kernel_irqchip", true); 19711ad93f6SDavid Gibson bool irqchip_required = qemu_opt_get_bool(machine_opts, 19811ad93f6SDavid Gibson "kernel_irqchip", false); 19911ad93f6SDavid Gibson if (irqchip_allowed) { 20011ad93f6SDavid Gibson icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs); 20111ad93f6SDavid Gibson } 20211ad93f6SDavid Gibson 20311ad93f6SDavid Gibson if (irqchip_required && !icp) { 20411ad93f6SDavid Gibson perror("Failed to create in-kernel XICS\n"); 20511ad93f6SDavid Gibson abort(); 20611ad93f6SDavid Gibson } 20711ad93f6SDavid Gibson } 20811ad93f6SDavid Gibson 20911ad93f6SDavid Gibson if (!icp) { 210c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 21111ad93f6SDavid Gibson } 21211ad93f6SDavid Gibson 213c04d6cfaSAnthony Liguori if (!icp) { 214c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 215c04d6cfaSAnthony Liguori abort(); 216c04d6cfaSAnthony Liguori } 217c04d6cfaSAnthony Liguori 218c04d6cfaSAnthony Liguori return icp; 219c04d6cfaSAnthony Liguori } 220c04d6cfaSAnthony Liguori 221833d4668SAlexey Kardashevskiy static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, 222833d4668SAlexey Kardashevskiy int smt_threads) 223833d4668SAlexey Kardashevskiy { 224833d4668SAlexey Kardashevskiy int i, ret = 0; 225833d4668SAlexey Kardashevskiy uint32_t servers_prop[smt_threads]; 226833d4668SAlexey Kardashevskiy uint32_t gservers_prop[smt_threads * 2]; 227833d4668SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 228833d4668SAlexey Kardashevskiy 2296d9412eaSAlexey Kardashevskiy if (cpu->cpu_version) { 2306d9412eaSAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "cpu-version", 2316d9412eaSAlexey Kardashevskiy &cpu->cpu_version, sizeof(cpu->cpu_version)); 2326d9412eaSAlexey Kardashevskiy if (ret < 0) { 2336d9412eaSAlexey Kardashevskiy return ret; 2346d9412eaSAlexey Kardashevskiy } 2356d9412eaSAlexey Kardashevskiy } 2366d9412eaSAlexey Kardashevskiy 237833d4668SAlexey Kardashevskiy /* Build interrupt servers and gservers properties */ 238833d4668SAlexey Kardashevskiy for (i = 0; i < smt_threads; i++) { 239833d4668SAlexey Kardashevskiy servers_prop[i] = cpu_to_be32(index + i); 240833d4668SAlexey Kardashevskiy /* Hack, direct the group queues back to cpu 0 */ 241833d4668SAlexey Kardashevskiy gservers_prop[i*2] = cpu_to_be32(index + i); 242833d4668SAlexey Kardashevskiy gservers_prop[i*2 + 1] = 0; 243833d4668SAlexey Kardashevskiy } 244833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 245833d4668SAlexey Kardashevskiy servers_prop, sizeof(servers_prop)); 246833d4668SAlexey Kardashevskiy if (ret < 0) { 247833d4668SAlexey Kardashevskiy return ret; 248833d4668SAlexey Kardashevskiy } 249833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", 250833d4668SAlexey Kardashevskiy gservers_prop, sizeof(gservers_prop)); 251833d4668SAlexey Kardashevskiy 252833d4668SAlexey Kardashevskiy return ret; 253833d4668SAlexey Kardashevskiy } 254833d4668SAlexey Kardashevskiy 25553018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 25653018216SPaolo Bonzini { 25782677ed2SAlexey Kardashevskiy int ret = 0, offset, cpus_offset; 25882677ed2SAlexey Kardashevskiy CPUState *cs; 25953018216SPaolo Bonzini char cpu_model[32]; 26053018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 26153018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 26253018216SPaolo Bonzini 26382677ed2SAlexey Kardashevskiy CPU_FOREACH(cs) { 26482677ed2SAlexey Kardashevskiy PowerPCCPU *cpu = POWERPC_CPU(cs); 26582677ed2SAlexey Kardashevskiy DeviceClass *dc = DEVICE_GET_CLASS(cs); 26682677ed2SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 26753018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 26853018216SPaolo Bonzini cpu_to_be32(0x0), 26953018216SPaolo Bonzini cpu_to_be32(0x0), 27053018216SPaolo Bonzini cpu_to_be32(0x0), 27182677ed2SAlexey Kardashevskiy cpu_to_be32(cs->numa_node), 2720f20ba62SAlexey Kardashevskiy cpu_to_be32(index)}; 27353018216SPaolo Bonzini 2740f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 27553018216SPaolo Bonzini continue; 27653018216SPaolo Bonzini } 27753018216SPaolo Bonzini 27882677ed2SAlexey Kardashevskiy snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index); 27953018216SPaolo Bonzini 28082677ed2SAlexey Kardashevskiy cpus_offset = fdt_path_offset(fdt, "/cpus"); 28182677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 28282677ed2SAlexey Kardashevskiy cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), 28382677ed2SAlexey Kardashevskiy "cpus"); 28482677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 28582677ed2SAlexey Kardashevskiy return cpus_offset; 28682677ed2SAlexey Kardashevskiy } 28782677ed2SAlexey Kardashevskiy } 28882677ed2SAlexey Kardashevskiy offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model); 28982677ed2SAlexey Kardashevskiy if (offset < 0) { 29082677ed2SAlexey Kardashevskiy offset = fdt_add_subnode(fdt, cpus_offset, cpu_model); 29153018216SPaolo Bonzini if (offset < 0) { 29253018216SPaolo Bonzini return offset; 29353018216SPaolo Bonzini } 29482677ed2SAlexey Kardashevskiy } 29553018216SPaolo Bonzini 29653018216SPaolo Bonzini if (nb_numa_nodes > 1) { 29753018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 29853018216SPaolo Bonzini sizeof(associativity)); 29953018216SPaolo Bonzini if (ret < 0) { 30053018216SPaolo Bonzini return ret; 30153018216SPaolo Bonzini } 30253018216SPaolo Bonzini } 30353018216SPaolo Bonzini 30453018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 30553018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 30653018216SPaolo Bonzini if (ret < 0) { 30753018216SPaolo Bonzini return ret; 30853018216SPaolo Bonzini } 309833d4668SAlexey Kardashevskiy 31082677ed2SAlexey Kardashevskiy ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, 3112a48d993SAlexey Kardashevskiy ppc_get_compat_smt_threads(cpu)); 312833d4668SAlexey Kardashevskiy if (ret < 0) { 313833d4668SAlexey Kardashevskiy return ret; 314833d4668SAlexey Kardashevskiy } 31553018216SPaolo Bonzini } 31653018216SPaolo Bonzini return ret; 31753018216SPaolo Bonzini } 31853018216SPaolo Bonzini 31953018216SPaolo Bonzini 32053018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 32153018216SPaolo Bonzini size_t maxsize) 32253018216SPaolo Bonzini { 32353018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 32453018216SPaolo Bonzini int i, j, count; 32553018216SPaolo Bonzini uint32_t *p = prop; 32653018216SPaolo Bonzini 32753018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 32853018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 32953018216SPaolo Bonzini 33053018216SPaolo Bonzini if (!sps->page_shift) { 33153018216SPaolo Bonzini break; 33253018216SPaolo Bonzini } 33353018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 33453018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 33553018216SPaolo Bonzini break; 33653018216SPaolo Bonzini } 33753018216SPaolo Bonzini } 33853018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 33953018216SPaolo Bonzini break; 34053018216SPaolo Bonzini } 34153018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 34253018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 34353018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 34453018216SPaolo Bonzini for (j = 0; j < count; j++) { 34553018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 34653018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 34753018216SPaolo Bonzini } 34853018216SPaolo Bonzini } 34953018216SPaolo Bonzini 35053018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 35153018216SPaolo Bonzini } 35253018216SPaolo Bonzini 35353018216SPaolo Bonzini #define _FDT(exp) \ 35453018216SPaolo Bonzini do { \ 35553018216SPaolo Bonzini int ret = (exp); \ 35653018216SPaolo Bonzini if (ret < 0) { \ 35753018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 35853018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 35953018216SPaolo Bonzini exit(1); \ 36053018216SPaolo Bonzini } \ 36153018216SPaolo Bonzini } while (0) 36253018216SPaolo Bonzini 363a1d59c0fSAlexey Kardashevskiy static void add_str(GString *s, const gchar *s1) 364a1d59c0fSAlexey Kardashevskiy { 365a1d59c0fSAlexey Kardashevskiy g_string_append_len(s, s1, strlen(s1) + 1); 366a1d59c0fSAlexey Kardashevskiy } 36753018216SPaolo Bonzini 3683bbf37f2SAndreas Färber static void *spapr_create_fdt_skel(hwaddr initrd_base, 36953018216SPaolo Bonzini hwaddr initrd_size, 37053018216SPaolo Bonzini hwaddr kernel_size, 37116457e7fSBenjamin Herrenschmidt bool little_endian, 37253018216SPaolo Bonzini const char *boot_device, 37353018216SPaolo Bonzini const char *kernel_cmdline, 37453018216SPaolo Bonzini uint32_t epow_irq) 37553018216SPaolo Bonzini { 37653018216SPaolo Bonzini void *fdt; 377182735efSAndreas Färber CPUState *cs; 37853018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 37953018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 380a1d59c0fSAlexey Kardashevskiy GString *hypertas = g_string_sized_new(256); 381a1d59c0fSAlexey Kardashevskiy GString *qemu_hypertas = g_string_sized_new(256); 38253018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 38353018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 384833d4668SAlexey Kardashevskiy int smt = kvmppc_smt_threads(); 38553018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 38610582ff8SAlexey Kardashevskiy QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); 38710582ff8SAlexey Kardashevskiy unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; 38810582ff8SAlexey Kardashevskiy uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; 38953018216SPaolo Bonzini 390a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-pft"); 391a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-term"); 392a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-dabr"); 393a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-interrupt"); 394a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-tce"); 395a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-vio"); 396a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-splpar"); 397a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-bulk"); 398a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-set-mode"); 399a1d59c0fSAlexey Kardashevskiy add_str(qemu_hypertas, "hcall-memop1"); 400a1d59c0fSAlexey Kardashevskiy 40153018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 40253018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 40353018216SPaolo Bonzini 40453018216SPaolo Bonzini if (kernel_size) { 40553018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 40653018216SPaolo Bonzini } 40753018216SPaolo Bonzini if (initrd_size) { 40853018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 40953018216SPaolo Bonzini } 41053018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 41153018216SPaolo Bonzini 41253018216SPaolo Bonzini /* Root node */ 41353018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 41453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 41553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 416fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 41753018216SPaolo Bonzini 41853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 41953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 42053018216SPaolo Bonzini 42153018216SPaolo Bonzini /* /chosen */ 42253018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 42353018216SPaolo Bonzini 42453018216SPaolo Bonzini /* Set Form1_affinity */ 42553018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 42653018216SPaolo Bonzini 42753018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 42853018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 42953018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 43053018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 43153018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 43253018216SPaolo Bonzini if (kernel_size) { 43353018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 43453018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 43553018216SPaolo Bonzini 43653018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 43716457e7fSBenjamin Herrenschmidt if (little_endian) { 43816457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 43916457e7fSBenjamin Herrenschmidt } 44053018216SPaolo Bonzini } 44153018216SPaolo Bonzini if (boot_device) { 44253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 44353018216SPaolo Bonzini } 444cc84c0f3SAvik Sil if (boot_menu) { 445cc84c0f3SAvik Sil _FDT((fdt_property_cell(fdt, "qemu,boot-menu", boot_menu))); 446cc84c0f3SAvik Sil } 44753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 44853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 44953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 45053018216SPaolo Bonzini 45153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 45253018216SPaolo Bonzini 45353018216SPaolo Bonzini /* cpus */ 45453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 45553018216SPaolo Bonzini 45653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 45753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 45853018216SPaolo Bonzini 459bdc44640SAndreas Färber CPU_FOREACH(cs) { 460182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 461182735efSAndreas Färber CPUPPCState *env = &cpu->env; 4623bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cs); 463182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 4640f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 46553018216SPaolo Bonzini char *nodename; 46653018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 46753018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 46853018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 46953018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 47053018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 47153018216SPaolo Bonzini size_t page_sizes_prop_size; 47253018216SPaolo Bonzini 47353018216SPaolo Bonzini if ((index % smt) != 0) { 47453018216SPaolo Bonzini continue; 47553018216SPaolo Bonzini } 47653018216SPaolo Bonzini 4773bbf37f2SAndreas Färber nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 47853018216SPaolo Bonzini 47953018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 48053018216SPaolo Bonzini 48153018216SPaolo Bonzini g_free(nodename); 48253018216SPaolo Bonzini 48353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 48453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 48553018216SPaolo Bonzini 48653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 4870cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 48853018216SPaolo Bonzini env->dcache_line_size))); 4890cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 4900cbad81fSDavid Gibson env->dcache_line_size))); 4910cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 49253018216SPaolo Bonzini env->icache_line_size))); 4930cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 4940cbad81fSDavid Gibson env->icache_line_size))); 4950cbad81fSDavid Gibson 4960cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 4970cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 4980cbad81fSDavid Gibson } else { 4990cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 5000cbad81fSDavid Gibson } 5010cbad81fSDavid Gibson if (pcc->l1_icache_size) { 5020cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 5030cbad81fSDavid Gibson } else { 5040cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 5050cbad81fSDavid Gibson } 5060cbad81fSDavid Gibson 50753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 50853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 50953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 51053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 51153018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 51253018216SPaolo Bonzini 513dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 514dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 515dcb861cbSAlexey Kardashevskiy } 516dcb861cbSAlexey Kardashevskiy 51753018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 51853018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 51953018216SPaolo Bonzini segs, sizeof(segs)))); 52053018216SPaolo Bonzini } 52153018216SPaolo Bonzini 52253018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 52353018216SPaolo Bonzini * 0 / no property == no vector extensions 52453018216SPaolo Bonzini * 1 == VMX / Altivec available 52553018216SPaolo Bonzini * 2 == VSX available */ 52653018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 52753018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 52853018216SPaolo Bonzini 52953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 53053018216SPaolo Bonzini } 53153018216SPaolo Bonzini 53253018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 53353018216SPaolo Bonzini * 0 / no property == no DFP 53453018216SPaolo Bonzini * 1 == DFP available */ 53553018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 53653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 53753018216SPaolo Bonzini } 53853018216SPaolo Bonzini 53953018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 54053018216SPaolo Bonzini sizeof(page_sizes_prop)); 54153018216SPaolo Bonzini if (page_sizes_prop_size) { 54253018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 54353018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 54453018216SPaolo Bonzini } 54553018216SPaolo Bonzini 54610582ff8SAlexey Kardashevskiy _FDT((fdt_property_cell(fdt, "ibm,chip-id", 54710582ff8SAlexey Kardashevskiy cs->cpu_index / cpus_per_socket))); 54810582ff8SAlexey Kardashevskiy 54953018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55053018216SPaolo Bonzini } 55153018216SPaolo Bonzini 55253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55353018216SPaolo Bonzini 55453018216SPaolo Bonzini /* RTAS */ 55553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 55653018216SPaolo Bonzini 557da95324eSAlexey Kardashevskiy if (!kvm_enabled() || kvmppc_spapr_use_multitce()) { 558da95324eSAlexey Kardashevskiy add_str(hypertas, "hcall-multi-tce"); 559da95324eSAlexey Kardashevskiy } 560a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas->str, 561a1d59c0fSAlexey Kardashevskiy hypertas->len))); 562a1d59c0fSAlexey Kardashevskiy g_string_free(hypertas, TRUE); 563a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas->str, 564a1d59c0fSAlexey Kardashevskiy qemu_hypertas->len))); 565a1d59c0fSAlexey Kardashevskiy g_string_free(qemu_hypertas, TRUE); 56653018216SPaolo Bonzini 56753018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 56853018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 56953018216SPaolo Bonzini 57053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 57153018216SPaolo Bonzini 57253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 57353018216SPaolo Bonzini 57453018216SPaolo Bonzini /* interrupt controller */ 57553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 57653018216SPaolo Bonzini 57753018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 57853018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 57953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 58053018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 58153018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 58253018216SPaolo Bonzini interrupt_server_ranges_prop, 58353018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 58453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 58553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 58653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 58753018216SPaolo Bonzini 58853018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 58953018216SPaolo Bonzini 59053018216SPaolo Bonzini /* vdevice */ 59153018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 59253018216SPaolo Bonzini 59353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 59453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 59553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 59653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 59753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 59853018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 59953018216SPaolo Bonzini 60053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 60153018216SPaolo Bonzini 60253018216SPaolo Bonzini /* event-sources */ 60353018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 60453018216SPaolo Bonzini 605f7d69146SAlexander Graf /* /hypervisor node */ 606f7d69146SAlexander Graf if (kvm_enabled()) { 607f7d69146SAlexander Graf uint8_t hypercall[16]; 608f7d69146SAlexander Graf 609f7d69146SAlexander Graf /* indicate KVM hypercall interface */ 610f7d69146SAlexander Graf _FDT((fdt_begin_node(fdt, "hypervisor"))); 611f7d69146SAlexander Graf _FDT((fdt_property_string(fdt, "compatible", "linux,kvm"))); 612f7d69146SAlexander Graf if (kvmppc_has_cap_fixup_hcalls()) { 613f7d69146SAlexander Graf /* 614f7d69146SAlexander Graf * Older KVM versions with older guest kernels were broken with the 615f7d69146SAlexander Graf * magic page, don't allow the guest to map it. 616f7d69146SAlexander Graf */ 617f7d69146SAlexander Graf kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, 618f7d69146SAlexander Graf sizeof(hypercall)); 619f7d69146SAlexander Graf _FDT((fdt_property(fdt, "hcall-instructions", hypercall, 620f7d69146SAlexander Graf sizeof(hypercall)))); 621f7d69146SAlexander Graf } 622f7d69146SAlexander Graf _FDT((fdt_end_node(fdt))); 623f7d69146SAlexander Graf } 624f7d69146SAlexander Graf 62553018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 62653018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 62753018216SPaolo Bonzini 62853018216SPaolo Bonzini return fdt; 62953018216SPaolo Bonzini } 63053018216SPaolo Bonzini 6312a6593cbSAlexey Kardashevskiy int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) 6322a6593cbSAlexey Kardashevskiy { 6332a6593cbSAlexey Kardashevskiy void *fdt, *fdt_skel; 6342a6593cbSAlexey Kardashevskiy sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; 6352a6593cbSAlexey Kardashevskiy 6362a6593cbSAlexey Kardashevskiy size -= sizeof(hdr); 6372a6593cbSAlexey Kardashevskiy 6382a6593cbSAlexey Kardashevskiy /* Create sceleton */ 6392a6593cbSAlexey Kardashevskiy fdt_skel = g_malloc0(size); 6402a6593cbSAlexey Kardashevskiy _FDT((fdt_create(fdt_skel, size))); 6412a6593cbSAlexey Kardashevskiy _FDT((fdt_begin_node(fdt_skel, ""))); 6422a6593cbSAlexey Kardashevskiy _FDT((fdt_end_node(fdt_skel))); 6432a6593cbSAlexey Kardashevskiy _FDT((fdt_finish(fdt_skel))); 6442a6593cbSAlexey Kardashevskiy fdt = g_malloc0(size); 6452a6593cbSAlexey Kardashevskiy _FDT((fdt_open_into(fdt_skel, fdt, size))); 6462a6593cbSAlexey Kardashevskiy g_free(fdt_skel); 6472a6593cbSAlexey Kardashevskiy 6483794d548SAlexey Kardashevskiy /* Fix skeleton up */ 6493794d548SAlexey Kardashevskiy _FDT((spapr_fixup_cpu_dt(fdt, spapr))); 6502a6593cbSAlexey Kardashevskiy 6512a6593cbSAlexey Kardashevskiy /* Pack resulting tree */ 6522a6593cbSAlexey Kardashevskiy _FDT((fdt_pack(fdt))); 6532a6593cbSAlexey Kardashevskiy 6542a6593cbSAlexey Kardashevskiy if (fdt_totalsize(fdt) + sizeof(hdr) > size) { 6552a6593cbSAlexey Kardashevskiy trace_spapr_cas_failed(size); 6562a6593cbSAlexey Kardashevskiy return -1; 6572a6593cbSAlexey Kardashevskiy } 6582a6593cbSAlexey Kardashevskiy 6592a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); 6602a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); 6612a6593cbSAlexey Kardashevskiy trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); 6622a6593cbSAlexey Kardashevskiy g_free(fdt); 6632a6593cbSAlexey Kardashevskiy 6642a6593cbSAlexey Kardashevskiy return 0; 6652a6593cbSAlexey Kardashevskiy } 6662a6593cbSAlexey Kardashevskiy 66753018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 66853018216SPaolo Bonzini { 66953018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 67053018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 67153018216SPaolo Bonzini cpu_to_be32(0x0)}; 67253018216SPaolo Bonzini char mem_name[32]; 6735fe269b1SPaul Mackerras hwaddr node0_size, mem_start, node_size; 67453018216SPaolo Bonzini uint64_t mem_reg_property[2]; 67553018216SPaolo Bonzini int i, off; 67653018216SPaolo Bonzini 67753018216SPaolo Bonzini /* memory node(s) */ 6788c85901eSWanlong Gao if (nb_numa_nodes > 1 && numa_info[0].node_mem < ram_size) { 6798c85901eSWanlong Gao node0_size = numa_info[0].node_mem; 6805fe269b1SPaul Mackerras } else { 6815fe269b1SPaul Mackerras node0_size = ram_size; 6825fe269b1SPaul Mackerras } 68353018216SPaolo Bonzini 68453018216SPaolo Bonzini /* RMA */ 68553018216SPaolo Bonzini mem_reg_property[0] = 0; 68653018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 68753018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 68853018216SPaolo Bonzini _FDT(off); 68953018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 69053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 69153018216SPaolo Bonzini sizeof(mem_reg_property)))); 69253018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 69353018216SPaolo Bonzini sizeof(associativity)))); 69453018216SPaolo Bonzini 69553018216SPaolo Bonzini /* RAM: Node 0 */ 69653018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 69753018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 69853018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 69953018216SPaolo Bonzini 70053018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 70153018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 70253018216SPaolo Bonzini _FDT(off); 70353018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 70453018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 70553018216SPaolo Bonzini sizeof(mem_reg_property)))); 70653018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 70753018216SPaolo Bonzini sizeof(associativity)))); 70853018216SPaolo Bonzini } 70953018216SPaolo Bonzini 71053018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 71153018216SPaolo Bonzini mem_start = node0_size; 71253018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 71353018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 7145fe269b1SPaul Mackerras if (mem_start >= ram_size) { 7155fe269b1SPaul Mackerras node_size = 0; 7165fe269b1SPaul Mackerras } else { 7178c85901eSWanlong Gao node_size = numa_info[i].node_mem; 7185fe269b1SPaul Mackerras if (node_size > ram_size - mem_start) { 7195fe269b1SPaul Mackerras node_size = ram_size - mem_start; 7205fe269b1SPaul Mackerras } 7215fe269b1SPaul Mackerras } 7225fe269b1SPaul Mackerras mem_reg_property[1] = cpu_to_be64(node_size); 72353018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 72453018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 72553018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 72653018216SPaolo Bonzini _FDT(off); 72753018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 72853018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 72953018216SPaolo Bonzini sizeof(mem_reg_property)))); 73053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 73153018216SPaolo Bonzini sizeof(associativity)))); 7325fe269b1SPaul Mackerras mem_start += node_size; 73353018216SPaolo Bonzini } 73453018216SPaolo Bonzini 73553018216SPaolo Bonzini return 0; 73653018216SPaolo Bonzini } 73753018216SPaolo Bonzini 73853018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 73953018216SPaolo Bonzini hwaddr fdt_addr, 74053018216SPaolo Bonzini hwaddr rtas_addr, 74153018216SPaolo Bonzini hwaddr rtas_size) 74253018216SPaolo Bonzini { 74371461b0fSAlexey Kardashevskiy int ret, i; 74471461b0fSAlexey Kardashevskiy size_t cb = 0; 74571461b0fSAlexey Kardashevskiy char *bootlist; 74653018216SPaolo Bonzini void *fdt; 74753018216SPaolo Bonzini sPAPRPHBState *phb; 74853018216SPaolo Bonzini 74953018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 75053018216SPaolo Bonzini 75153018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 75253018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 75353018216SPaolo Bonzini 75453018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 75553018216SPaolo Bonzini if (ret < 0) { 75653018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 75753018216SPaolo Bonzini exit(1); 75853018216SPaolo Bonzini } 75953018216SPaolo Bonzini 76053018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 76153018216SPaolo Bonzini if (ret < 0) { 76253018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 76353018216SPaolo Bonzini exit(1); 76453018216SPaolo Bonzini } 76553018216SPaolo Bonzini 76653018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 76753018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 76853018216SPaolo Bonzini } 76953018216SPaolo Bonzini 77053018216SPaolo Bonzini if (ret < 0) { 77153018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 77253018216SPaolo Bonzini exit(1); 77353018216SPaolo Bonzini } 77453018216SPaolo Bonzini 77553018216SPaolo Bonzini /* RTAS */ 77653018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 77753018216SPaolo Bonzini if (ret < 0) { 77853018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 77953018216SPaolo Bonzini } 78053018216SPaolo Bonzini 78153018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 78253018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 78353018216SPaolo Bonzini if (ret < 0) { 78453018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 78553018216SPaolo Bonzini } 78653018216SPaolo Bonzini 78771461b0fSAlexey Kardashevskiy bootlist = get_boot_devices_list(&cb, true); 78871461b0fSAlexey Kardashevskiy if (cb && bootlist) { 78971461b0fSAlexey Kardashevskiy int offset = fdt_path_offset(fdt, "/chosen"); 79071461b0fSAlexey Kardashevskiy if (offset < 0) { 79171461b0fSAlexey Kardashevskiy exit(1); 79271461b0fSAlexey Kardashevskiy } 79371461b0fSAlexey Kardashevskiy for (i = 0; i < cb; i++) { 79471461b0fSAlexey Kardashevskiy if (bootlist[i] == '\n') { 79571461b0fSAlexey Kardashevskiy bootlist[i] = ' '; 79671461b0fSAlexey Kardashevskiy } 79771461b0fSAlexey Kardashevskiy 79871461b0fSAlexey Kardashevskiy } 79971461b0fSAlexey Kardashevskiy ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); 80071461b0fSAlexey Kardashevskiy } 80171461b0fSAlexey Kardashevskiy 80253018216SPaolo Bonzini if (!spapr->has_graphics) { 80353018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 80453018216SPaolo Bonzini } 80553018216SPaolo Bonzini 80653018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 80753018216SPaolo Bonzini 80853018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 80953018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 81053018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 81153018216SPaolo Bonzini exit(1); 81253018216SPaolo Bonzini } 81353018216SPaolo Bonzini 81453018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 81553018216SPaolo Bonzini 81653018216SPaolo Bonzini g_free(fdt); 81753018216SPaolo Bonzini } 81853018216SPaolo Bonzini 81953018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 82053018216SPaolo Bonzini { 82153018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 82253018216SPaolo Bonzini } 82353018216SPaolo Bonzini 82453018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 82553018216SPaolo Bonzini { 82653018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 82753018216SPaolo Bonzini 82853018216SPaolo Bonzini if (msr_pr) { 82953018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 83053018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 83153018216SPaolo Bonzini } else { 83253018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 83353018216SPaolo Bonzini } 83453018216SPaolo Bonzini } 83553018216SPaolo Bonzini 83653018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 83753018216SPaolo Bonzini { 83853018216SPaolo Bonzini long shift; 83953018216SPaolo Bonzini 84053018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 84153018216SPaolo Bonzini * later we should probably make it scale to the size of guest 84253018216SPaolo Bonzini * RAM */ 84353018216SPaolo Bonzini 84453018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 84553018216SPaolo Bonzini 84653018216SPaolo Bonzini if (shift > 0) { 84753018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 84853018216SPaolo Bonzini spapr->htab_shift = shift; 8497c43bca0SAneesh Kumar K.V kvmppc_kern_htab = true; 85053018216SPaolo Bonzini } else { 85153018216SPaolo Bonzini if (!spapr->htab) { 85253018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 85353018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 85453018216SPaolo Bonzini } 85553018216SPaolo Bonzini 85653018216SPaolo Bonzini /* And clear it */ 85753018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 85853018216SPaolo Bonzini } 85953018216SPaolo Bonzini 86053018216SPaolo Bonzini /* Update the RMA size if necessary */ 86153018216SPaolo Bonzini if (spapr->vrma_adjust) { 8628c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? 8638c85901eSWanlong Gao numa_info[0].node_mem : ram_size; 864c4177479SAlexey Kardashevskiy spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); 86553018216SPaolo Bonzini } 86653018216SPaolo Bonzini } 86753018216SPaolo Bonzini 86853018216SPaolo Bonzini static void ppc_spapr_reset(void) 86953018216SPaolo Bonzini { 870182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 871259186a7SAndreas Färber 87253018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 87353018216SPaolo Bonzini spapr_reset_htab(spapr); 87453018216SPaolo Bonzini 87553018216SPaolo Bonzini qemu_devices_reset(); 87653018216SPaolo Bonzini 87753018216SPaolo Bonzini /* Load the fdt */ 87853018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 87953018216SPaolo Bonzini spapr->rtas_size); 88053018216SPaolo Bonzini 88153018216SPaolo Bonzini /* Set up the entry state */ 882182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 883182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 884182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 885182735efSAndreas Färber first_cpu->halted = 0; 886182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 88753018216SPaolo Bonzini 88853018216SPaolo Bonzini } 88953018216SPaolo Bonzini 89053018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 89153018216SPaolo Bonzini { 89253018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 893259186a7SAndreas Färber CPUState *cs = CPU(cpu); 89453018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 89553018216SPaolo Bonzini 896259186a7SAndreas Färber cpu_reset(cs); 89753018216SPaolo Bonzini 89853018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 89953018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 90053018216SPaolo Bonzini * using an RTAS call */ 901259186a7SAndreas Färber cs->halted = 1; 90253018216SPaolo Bonzini 90353018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 90453018216SPaolo Bonzini 9054be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 9065736245cSAneesh Kumar K.V if (kvm_enabled() && !env->external_htab) { 9075736245cSAneesh Kumar K.V /* 9085736245cSAneesh Kumar K.V * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte* 9095736245cSAneesh Kumar K.V * functions do the right thing. 9105736245cSAneesh Kumar K.V */ 9115736245cSAneesh Kumar K.V env->external_htab = (void *)1; 9125736245cSAneesh Kumar K.V } 91353018216SPaolo Bonzini env->htab_base = -1; 914f3c75d42SAneesh Kumar K.V /* 915f3c75d42SAneesh Kumar K.V * htab_mask is the mask used to normalize hash value to PTEG index. 916f3c75d42SAneesh Kumar K.V * htab_shift is log2 of hash table size. 917f3c75d42SAneesh Kumar K.V * We have 8 hpte per group, and each hpte is 16 bytes. 918f3c75d42SAneesh Kumar K.V * ie have 128 bytes per hpte entry. 919f3c75d42SAneesh Kumar K.V */ 920f3c75d42SAneesh Kumar K.V env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; 921ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 92253018216SPaolo Bonzini (spapr->htab_shift - 18); 92353018216SPaolo Bonzini } 92453018216SPaolo Bonzini 92553018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 92653018216SPaolo Bonzini { 9272ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 9283978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 92953018216SPaolo Bonzini 9303978b863SPaolo Bonzini if (dinfo) { 9313978b863SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); 93253018216SPaolo Bonzini } 93353018216SPaolo Bonzini 93453018216SPaolo Bonzini qdev_init_nofail(dev); 93553018216SPaolo Bonzini 93653018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 93753018216SPaolo Bonzini } 93853018216SPaolo Bonzini 93953018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 94053018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 94153018216SPaolo Bonzini { 94253018216SPaolo Bonzini switch (vga_interface_type) { 94353018216SPaolo Bonzini case VGA_NONE: 9447effdaa3SMark Wu return false; 9457effdaa3SMark Wu case VGA_DEVICE: 9467effdaa3SMark Wu return true; 94753018216SPaolo Bonzini case VGA_STD: 94853018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 94953018216SPaolo Bonzini default: 95053018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 95153018216SPaolo Bonzini "currently it only supports -vga std\n"); 95253018216SPaolo Bonzini exit(0); 95353018216SPaolo Bonzini } 95453018216SPaolo Bonzini } 95553018216SPaolo Bonzini 9564be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 9574be21d56SDavid Gibson .name = "spapr", 95898a8b524SAlexey Kardashevskiy .version_id = 2, 9594be21d56SDavid Gibson .minimum_version_id = 1, 9604be21d56SDavid Gibson .fields = (VMStateField[]) { 9614be21d56SDavid Gibson VMSTATE_UINT32(next_irq, sPAPREnvironment), 9624be21d56SDavid Gibson 9634be21d56SDavid Gibson /* RTC offset */ 9644be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 96598a8b524SAlexey Kardashevskiy VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), 9664be21d56SDavid Gibson VMSTATE_END_OF_LIST() 9674be21d56SDavid Gibson }, 9684be21d56SDavid Gibson }; 9694be21d56SDavid Gibson 9704be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 9714be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 9724be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 9734be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 9744be21d56SDavid Gibson 9754be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 9764be21d56SDavid Gibson { 9774be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 9784be21d56SDavid Gibson 9794be21d56SDavid Gibson /* "Iteration" header */ 9804be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 9814be21d56SDavid Gibson 982e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 983e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 984e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 985e68cb8b4SAlexey Kardashevskiy } else { 986e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 987e68cb8b4SAlexey Kardashevskiy 988e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 989e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 990e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 991e68cb8b4SAlexey Kardashevskiy strerror(errno)); 992e68cb8b4SAlexey Kardashevskiy return -1; 993e68cb8b4SAlexey Kardashevskiy } 9944be21d56SDavid Gibson } 9954be21d56SDavid Gibson 996e68cb8b4SAlexey Kardashevskiy 997e68cb8b4SAlexey Kardashevskiy return 0; 998e68cb8b4SAlexey Kardashevskiy } 9994be21d56SDavid Gibson 10004be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 10014be21d56SDavid Gibson int64_t max_ns) 10024be21d56SDavid Gibson { 10034be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 10044be21d56SDavid Gibson int index = spapr->htab_save_index; 1005bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 10064be21d56SDavid Gibson 10074be21d56SDavid Gibson assert(spapr->htab_first_pass); 10084be21d56SDavid Gibson 10094be21d56SDavid Gibson do { 10104be21d56SDavid Gibson int chunkstart; 10114be21d56SDavid Gibson 10124be21d56SDavid Gibson /* Consume invalid HPTEs */ 10134be21d56SDavid Gibson while ((index < htabslots) 10144be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10154be21d56SDavid Gibson index++; 10164be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10174be21d56SDavid Gibson } 10184be21d56SDavid Gibson 10194be21d56SDavid Gibson /* Consume valid HPTEs */ 10204be21d56SDavid Gibson chunkstart = index; 10214be21d56SDavid Gibson while ((index < htabslots) 10224be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10234be21d56SDavid Gibson index++; 10244be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10254be21d56SDavid Gibson } 10264be21d56SDavid Gibson 10274be21d56SDavid Gibson if (index > chunkstart) { 10284be21d56SDavid Gibson int n_valid = index - chunkstart; 10294be21d56SDavid Gibson 10304be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10314be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10324be21d56SDavid Gibson qemu_put_be16(f, 0); 10334be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10344be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10354be21d56SDavid Gibson 1036bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 10374be21d56SDavid Gibson break; 10384be21d56SDavid Gibson } 10394be21d56SDavid Gibson } 10404be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 10414be21d56SDavid Gibson 10424be21d56SDavid Gibson if (index >= htabslots) { 10434be21d56SDavid Gibson assert(index == htabslots); 10444be21d56SDavid Gibson index = 0; 10454be21d56SDavid Gibson spapr->htab_first_pass = false; 10464be21d56SDavid Gibson } 10474be21d56SDavid Gibson spapr->htab_save_index = index; 10484be21d56SDavid Gibson } 10494be21d56SDavid Gibson 1050e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 10514be21d56SDavid Gibson int64_t max_ns) 10524be21d56SDavid Gibson { 10534be21d56SDavid Gibson bool final = max_ns < 0; 10544be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 10554be21d56SDavid Gibson int examined = 0, sent = 0; 10564be21d56SDavid Gibson int index = spapr->htab_save_index; 1057bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 10584be21d56SDavid Gibson 10594be21d56SDavid Gibson assert(!spapr->htab_first_pass); 10604be21d56SDavid Gibson 10614be21d56SDavid Gibson do { 10624be21d56SDavid Gibson int chunkstart, invalidstart; 10634be21d56SDavid Gibson 10644be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 10654be21d56SDavid Gibson while ((index < htabslots) 10664be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 10674be21d56SDavid Gibson index++; 10684be21d56SDavid Gibson examined++; 10694be21d56SDavid Gibson } 10704be21d56SDavid Gibson 10714be21d56SDavid Gibson chunkstart = index; 10724be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 10734be21d56SDavid Gibson while ((index < htabslots) 10744be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10754be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10764be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10774be21d56SDavid Gibson index++; 10784be21d56SDavid Gibson examined++; 10794be21d56SDavid Gibson } 10804be21d56SDavid Gibson 10814be21d56SDavid Gibson invalidstart = index; 10824be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 10834be21d56SDavid Gibson while ((index < htabslots) 10844be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10854be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10864be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10874be21d56SDavid Gibson index++; 10884be21d56SDavid Gibson examined++; 10894be21d56SDavid Gibson } 10904be21d56SDavid Gibson 10914be21d56SDavid Gibson if (index > chunkstart) { 10924be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 10934be21d56SDavid Gibson int n_invalid = index - invalidstart; 10944be21d56SDavid Gibson 10954be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10964be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10974be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 10984be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10994be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 11004be21d56SDavid Gibson sent += index - chunkstart; 11014be21d56SDavid Gibson 1102bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 11034be21d56SDavid Gibson break; 11044be21d56SDavid Gibson } 11054be21d56SDavid Gibson } 11064be21d56SDavid Gibson 11074be21d56SDavid Gibson if (examined >= htabslots) { 11084be21d56SDavid Gibson break; 11094be21d56SDavid Gibson } 11104be21d56SDavid Gibson 11114be21d56SDavid Gibson if (index >= htabslots) { 11124be21d56SDavid Gibson assert(index == htabslots); 11134be21d56SDavid Gibson index = 0; 11144be21d56SDavid Gibson } 11154be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 11164be21d56SDavid Gibson 11174be21d56SDavid Gibson if (index >= htabslots) { 11184be21d56SDavid Gibson assert(index == htabslots); 11194be21d56SDavid Gibson index = 0; 11204be21d56SDavid Gibson } 11214be21d56SDavid Gibson 11224be21d56SDavid Gibson spapr->htab_save_index = index; 11234be21d56SDavid Gibson 1124e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 11254be21d56SDavid Gibson } 11264be21d56SDavid Gibson 1127e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 1128e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 1129e68cb8b4SAlexey Kardashevskiy 11304be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 11314be21d56SDavid Gibson { 11324be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 1133e68cb8b4SAlexey Kardashevskiy int rc = 0; 11344be21d56SDavid Gibson 11354be21d56SDavid Gibson /* Iteration header */ 11364be21d56SDavid Gibson qemu_put_be32(f, 0); 11374be21d56SDavid Gibson 1138e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1139e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1140e68cb8b4SAlexey Kardashevskiy 1141e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 1142e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1143e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1144e68cb8b4SAlexey Kardashevskiy return rc; 1145e68cb8b4SAlexey Kardashevskiy } 1146e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 11474be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 11484be21d56SDavid Gibson } else { 1149e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 11504be21d56SDavid Gibson } 11514be21d56SDavid Gibson 11524be21d56SDavid Gibson /* End marker */ 11534be21d56SDavid Gibson qemu_put_be32(f, 0); 11544be21d56SDavid Gibson qemu_put_be16(f, 0); 11554be21d56SDavid Gibson qemu_put_be16(f, 0); 11564be21d56SDavid Gibson 1157e68cb8b4SAlexey Kardashevskiy return rc; 11584be21d56SDavid Gibson } 11594be21d56SDavid Gibson 11604be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 11614be21d56SDavid Gibson { 11624be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11634be21d56SDavid Gibson 11644be21d56SDavid Gibson /* Iteration header */ 11654be21d56SDavid Gibson qemu_put_be32(f, 0); 11664be21d56SDavid Gibson 1167e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1168e68cb8b4SAlexey Kardashevskiy int rc; 1169e68cb8b4SAlexey Kardashevskiy 1170e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1171e68cb8b4SAlexey Kardashevskiy 1172e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 1173e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1174e68cb8b4SAlexey Kardashevskiy return rc; 1175e68cb8b4SAlexey Kardashevskiy } 1176e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 1177e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 1178e68cb8b4SAlexey Kardashevskiy } else { 11794be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1180e68cb8b4SAlexey Kardashevskiy } 11814be21d56SDavid Gibson 11824be21d56SDavid Gibson /* End marker */ 11834be21d56SDavid Gibson qemu_put_be32(f, 0); 11844be21d56SDavid Gibson qemu_put_be16(f, 0); 11854be21d56SDavid Gibson qemu_put_be16(f, 0); 11864be21d56SDavid Gibson 11874be21d56SDavid Gibson return 0; 11884be21d56SDavid Gibson } 11894be21d56SDavid Gibson 11904be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 11914be21d56SDavid Gibson { 11924be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11934be21d56SDavid Gibson uint32_t section_hdr; 1194e68cb8b4SAlexey Kardashevskiy int fd = -1; 11954be21d56SDavid Gibson 11964be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 11974be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 11984be21d56SDavid Gibson return -EINVAL; 11994be21d56SDavid Gibson } 12004be21d56SDavid Gibson 12014be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 12024be21d56SDavid Gibson 12034be21d56SDavid Gibson if (section_hdr) { 12044be21d56SDavid Gibson /* First section, just the hash shift */ 12054be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 12064be21d56SDavid Gibson return -EINVAL; 12074be21d56SDavid Gibson } 12084be21d56SDavid Gibson return 0; 12094be21d56SDavid Gibson } 12104be21d56SDavid Gibson 1211e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1212e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1213e68cb8b4SAlexey Kardashevskiy 1214e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1215e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1216e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1217e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1218e68cb8b4SAlexey Kardashevskiy } 1219e68cb8b4SAlexey Kardashevskiy } 1220e68cb8b4SAlexey Kardashevskiy 12214be21d56SDavid Gibson while (true) { 12224be21d56SDavid Gibson uint32_t index; 12234be21d56SDavid Gibson uint16_t n_valid, n_invalid; 12244be21d56SDavid Gibson 12254be21d56SDavid Gibson index = qemu_get_be32(f); 12264be21d56SDavid Gibson n_valid = qemu_get_be16(f); 12274be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 12284be21d56SDavid Gibson 12294be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 12304be21d56SDavid Gibson /* End of Stream */ 12314be21d56SDavid Gibson break; 12324be21d56SDavid Gibson } 12334be21d56SDavid Gibson 1234e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 12354be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 12364be21d56SDavid Gibson /* Bad index in stream */ 12374be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1238e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1239e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 12404be21d56SDavid Gibson return -EINVAL; 12414be21d56SDavid Gibson } 12424be21d56SDavid Gibson 1243e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 12444be21d56SDavid Gibson if (n_valid) { 12454be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 12464be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 12474be21d56SDavid Gibson } 12484be21d56SDavid Gibson if (n_invalid) { 12494be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 12504be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 12514be21d56SDavid Gibson } 1252e68cb8b4SAlexey Kardashevskiy } else { 1253e68cb8b4SAlexey Kardashevskiy int rc; 1254e68cb8b4SAlexey Kardashevskiy 1255e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1256e68cb8b4SAlexey Kardashevskiy 1257e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1258e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1259e68cb8b4SAlexey Kardashevskiy return rc; 1260e68cb8b4SAlexey Kardashevskiy } 1261e68cb8b4SAlexey Kardashevskiy } 1262e68cb8b4SAlexey Kardashevskiy } 1263e68cb8b4SAlexey Kardashevskiy 1264e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1265e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1266e68cb8b4SAlexey Kardashevskiy close(fd); 12674be21d56SDavid Gibson } 12684be21d56SDavid Gibson 12694be21d56SDavid Gibson return 0; 12704be21d56SDavid Gibson } 12714be21d56SDavid Gibson 12724be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 12734be21d56SDavid Gibson .save_live_setup = htab_save_setup, 12744be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 12754be21d56SDavid Gibson .save_live_complete = htab_save_complete, 12764be21d56SDavid Gibson .load_state = htab_load, 12774be21d56SDavid Gibson }; 12784be21d56SDavid Gibson 127953018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 12803ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 128153018216SPaolo Bonzini { 12823ef96221SMarcel Apfelbaum ram_addr_t ram_size = machine->ram_size; 12833ef96221SMarcel Apfelbaum const char *cpu_model = machine->cpu_model; 12843ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 12853ef96221SMarcel Apfelbaum const char *kernel_cmdline = machine->kernel_cmdline; 12863ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 12873ef96221SMarcel Apfelbaum const char *boot_device = machine->boot_order; 128853018216SPaolo Bonzini PowerPCCPU *cpu; 128953018216SPaolo Bonzini CPUPPCState *env; 129053018216SPaolo Bonzini PCIHostState *phb; 129153018216SPaolo Bonzini int i; 129253018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 129353018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 129453018216SPaolo Bonzini hwaddr rma_alloc_size; 12958c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size; 129653018216SPaolo Bonzini uint32_t initrd_base = 0; 129753018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 129853018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 129916457e7fSBenjamin Herrenschmidt bool kernel_le = false; 130053018216SPaolo Bonzini char *filename; 130153018216SPaolo Bonzini 130253018216SPaolo Bonzini msi_supported = true; 130353018216SPaolo Bonzini 130453018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 130553018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 130653018216SPaolo Bonzini 130753018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 130853018216SPaolo Bonzini 130953018216SPaolo Bonzini /* Allocate RMA if necessary */ 131053018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 131153018216SPaolo Bonzini 131253018216SPaolo Bonzini if (rma_alloc_size == -1) { 131353018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 131453018216SPaolo Bonzini exit(1); 131553018216SPaolo Bonzini } 131653018216SPaolo Bonzini 1317c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 131853018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 131953018216SPaolo Bonzini } else { 1320c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 132153018216SPaolo Bonzini 132253018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 132353018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 132453018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 132553018216SPaolo Bonzini * 132653018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 132753018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 132853018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 132953018216SPaolo Bonzini * isn't determined yet. 133053018216SPaolo Bonzini */ 133153018216SPaolo Bonzini if (kvm_enabled()) { 133253018216SPaolo Bonzini spapr->vrma_adjust = 1; 133353018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 133453018216SPaolo Bonzini } 133553018216SPaolo Bonzini } 133653018216SPaolo Bonzini 1337c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1338c4177479SAlexey Kardashevskiy fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n", 1339c4177479SAlexey Kardashevskiy spapr->rma_size); 1340c4177479SAlexey Kardashevskiy exit(1); 1341c4177479SAlexey Kardashevskiy } 1342c4177479SAlexey Kardashevskiy 134353018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 134453018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 134553018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 134653018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 134753018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 134853018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 134953018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 135053018216SPaolo Bonzini 135153018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 135253018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 135353018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 135453018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 135553018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 135653018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 135753018216SPaolo Bonzini break; 135853018216SPaolo Bonzini } 135953018216SPaolo Bonzini spapr->htab_shift++; 136053018216SPaolo Bonzini } 136153018216SPaolo Bonzini 13627b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 13637b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 13647b565160SDavid Gibson XICS_IRQS); 13657b565160SDavid Gibson spapr->next_irq = XICS_IRQ_BASE; 13667b565160SDavid Gibson 136753018216SPaolo Bonzini /* init CPUs */ 136853018216SPaolo Bonzini if (cpu_model == NULL) { 136953018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 137053018216SPaolo Bonzini } 137153018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 137253018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 137353018216SPaolo Bonzini if (cpu == NULL) { 137453018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 137553018216SPaolo Bonzini exit(1); 137653018216SPaolo Bonzini } 137753018216SPaolo Bonzini env = &cpu->env; 137853018216SPaolo Bonzini 137953018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 138053018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 138153018216SPaolo Bonzini 13822cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 13832cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 13842cf3eb6dSFabien Chouteau */ 13852cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 138653018216SPaolo Bonzini 138753018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 138853018216SPaolo Bonzini if (kvm_enabled()) { 138953018216SPaolo Bonzini kvmppc_set_papr(cpu); 139053018216SPaolo Bonzini } 139153018216SPaolo Bonzini 13926d9412eaSAlexey Kardashevskiy if (cpu->max_compat) { 13936d9412eaSAlexey Kardashevskiy if (ppc_set_compat(cpu, cpu->max_compat) < 0) { 13946d9412eaSAlexey Kardashevskiy exit(1); 13956d9412eaSAlexey Kardashevskiy } 13966d9412eaSAlexey Kardashevskiy } 13976d9412eaSAlexey Kardashevskiy 139824408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 139924408a7dSAlexey Kardashevskiy 140053018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 140153018216SPaolo Bonzini } 140253018216SPaolo Bonzini 140353018216SPaolo Bonzini /* allocate RAM */ 140453018216SPaolo Bonzini spapr->ram_limit = ram_size; 140553018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 140653018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 140753018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 140853018216SPaolo Bonzini 14092c9b15caSPaolo Bonzini memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size); 141053018216SPaolo Bonzini vmstate_register_ram_global(ram); 141153018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 141253018216SPaolo Bonzini } 141353018216SPaolo Bonzini 141453018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 141553018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 141653018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 141753018216SPaolo Bonzini if (spapr->rtas_size < 0) { 141853018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 141953018216SPaolo Bonzini exit(1); 142053018216SPaolo Bonzini } 142153018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 142253018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 142353018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 142453018216SPaolo Bonzini exit(1); 142553018216SPaolo Bonzini } 142653018216SPaolo Bonzini g_free(filename); 142753018216SPaolo Bonzini 142853018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 142953018216SPaolo Bonzini spapr_events_init(spapr); 143053018216SPaolo Bonzini 143153018216SPaolo Bonzini /* Set up VIO bus */ 143253018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 143353018216SPaolo Bonzini 143453018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 143553018216SPaolo Bonzini if (serial_hds[i]) { 143653018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 143753018216SPaolo Bonzini } 143853018216SPaolo Bonzini } 143953018216SPaolo Bonzini 144053018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 144153018216SPaolo Bonzini spapr_create_nvram(spapr); 144253018216SPaolo Bonzini 144353018216SPaolo Bonzini /* Set up PCI */ 1444f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 144553018216SPaolo Bonzini spapr_pci_rtas_init(); 144653018216SPaolo Bonzini 144789dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 144853018216SPaolo Bonzini 144953018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 145053018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 145153018216SPaolo Bonzini 145253018216SPaolo Bonzini if (!nd->model) { 145353018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 145453018216SPaolo Bonzini } 145553018216SPaolo Bonzini 145653018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 145753018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 145853018216SPaolo Bonzini } else { 145929b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 146053018216SPaolo Bonzini } 146153018216SPaolo Bonzini } 146253018216SPaolo Bonzini 146353018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 146453018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 146553018216SPaolo Bonzini } 146653018216SPaolo Bonzini 146753018216SPaolo Bonzini /* Graphics */ 146853018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 146953018216SPaolo Bonzini spapr->has_graphics = true; 147053018216SPaolo Bonzini } 147153018216SPaolo Bonzini 147253018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 147353018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 147453018216SPaolo Bonzini if (spapr->has_graphics) { 147553018216SPaolo Bonzini usbdevice_create("keyboard"); 147653018216SPaolo Bonzini usbdevice_create("mouse"); 147753018216SPaolo Bonzini } 147853018216SPaolo Bonzini } 147953018216SPaolo Bonzini 148053018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 148153018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 148253018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 148353018216SPaolo Bonzini exit(1); 148453018216SPaolo Bonzini } 148553018216SPaolo Bonzini 148653018216SPaolo Bonzini if (kernel_filename) { 148753018216SPaolo Bonzini uint64_t lowaddr = 0; 148853018216SPaolo Bonzini 148953018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 149053018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 14913b66da82SAlexey Kardashevskiy if (kernel_size == ELF_LOAD_WRONG_ENDIAN) { 149216457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 149316457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 149416457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 149516457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 149616457e7fSBenjamin Herrenschmidt } 149716457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 14983b66da82SAlexey Kardashevskiy fprintf(stderr, "qemu: error loading %s: %s\n", 14993b66da82SAlexey Kardashevskiy kernel_filename, load_elf_strerror(kernel_size)); 150053018216SPaolo Bonzini exit(1); 150153018216SPaolo Bonzini } 150253018216SPaolo Bonzini 150353018216SPaolo Bonzini /* load initrd */ 150453018216SPaolo Bonzini if (initrd_filename) { 150553018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 150653018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 150753018216SPaolo Bonzini */ 150853018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 150953018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 151053018216SPaolo Bonzini load_limit - initrd_base); 151153018216SPaolo Bonzini if (initrd_size < 0) { 151253018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 151353018216SPaolo Bonzini initrd_filename); 151453018216SPaolo Bonzini exit(1); 151553018216SPaolo Bonzini } 151653018216SPaolo Bonzini } else { 151753018216SPaolo Bonzini initrd_base = 0; 151853018216SPaolo Bonzini initrd_size = 0; 151953018216SPaolo Bonzini } 152053018216SPaolo Bonzini } 152153018216SPaolo Bonzini 15228e7ea787SAndreas Färber if (bios_name == NULL) { 15238e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 15248e7ea787SAndreas Färber } 15258e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 152653018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 152753018216SPaolo Bonzini if (fw_size < 0) { 152853018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 152953018216SPaolo Bonzini exit(1); 153053018216SPaolo Bonzini } 153153018216SPaolo Bonzini g_free(filename); 153253018216SPaolo Bonzini 153353018216SPaolo Bonzini spapr->entry_point = 0x100; 153453018216SPaolo Bonzini 15354be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 15364be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 15374be21d56SDavid Gibson &savevm_htab_handlers, spapr); 15384be21d56SDavid Gibson 153953018216SPaolo Bonzini /* Prepare the device tree */ 15403bbf37f2SAndreas Färber spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size, 154116457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 154253018216SPaolo Bonzini boot_device, kernel_cmdline, 154353018216SPaolo Bonzini spapr->epow_irq); 154453018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 154553018216SPaolo Bonzini } 154653018216SPaolo Bonzini 1547135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 1548135a129aSAneesh Kumar K.V { 1549135a129aSAneesh Kumar K.V if (!vm_type) { 1550135a129aSAneesh Kumar K.V return 0; 1551135a129aSAneesh Kumar K.V } 1552135a129aSAneesh Kumar K.V 1553135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 1554135a129aSAneesh Kumar K.V return 1; 1555135a129aSAneesh Kumar K.V } 1556135a129aSAneesh Kumar K.V 1557135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 1558135a129aSAneesh Kumar K.V return 2; 1559135a129aSAneesh Kumar K.V } 1560135a129aSAneesh Kumar K.V 1561135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 1562135a129aSAneesh Kumar K.V exit(1); 1563135a129aSAneesh Kumar K.V } 1564135a129aSAneesh Kumar K.V 156571461b0fSAlexey Kardashevskiy /* 156671461b0fSAlexey Kardashevskiy * Implementation of an interface to adjust firmware patch 156771461b0fSAlexey Kardashevskiy * for the bootindex property handling. 156871461b0fSAlexey Kardashevskiy */ 156971461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 157071461b0fSAlexey Kardashevskiy DeviceState *dev) 157171461b0fSAlexey Kardashevskiy { 157271461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 157371461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 157471461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 157571461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 157671461b0fSAlexey Kardashevskiy 157771461b0fSAlexey Kardashevskiy if (d) { 157871461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 157971461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 158071461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 158171461b0fSAlexey Kardashevskiy 158271461b0fSAlexey Kardashevskiy if (spapr) { 158371461b0fSAlexey Kardashevskiy /* 158471461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 158571461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 158671461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 158771461b0fSAlexey Kardashevskiy */ 158871461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 158971461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 159071461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 159171461b0fSAlexey Kardashevskiy } else if (virtio) { 159271461b0fSAlexey Kardashevskiy /* 159371461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 159471461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 159571461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 159671461b0fSAlexey Kardashevskiy * the actual binding is: 159771461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 159871461b0fSAlexey Kardashevskiy */ 159971461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 160071461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 160171461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 160271461b0fSAlexey Kardashevskiy } else if (usb) { 160371461b0fSAlexey Kardashevskiy /* 160471461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 160571461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 160671461b0fSAlexey Kardashevskiy */ 160771461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 160871461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 160971461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 161071461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 161171461b0fSAlexey Kardashevskiy } 161271461b0fSAlexey Kardashevskiy } 161371461b0fSAlexey Kardashevskiy 161471461b0fSAlexey Kardashevskiy if (phb) { 161571461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 161671461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 161771461b0fSAlexey Kardashevskiy } 161871461b0fSAlexey Kardashevskiy 161971461b0fSAlexey Kardashevskiy return NULL; 162071461b0fSAlexey Kardashevskiy } 162171461b0fSAlexey Kardashevskiy 162223825581SEduardo Habkost static char *spapr_get_kvm_type(Object *obj, Error **errp) 162323825581SEduardo Habkost { 1624*6ca1502eSAlexey Kardashevskiy sPAPRMachineState *sm = SPAPR_MACHINE(obj); 162523825581SEduardo Habkost 162623825581SEduardo Habkost return g_strdup(sm->kvm_type); 162723825581SEduardo Habkost } 162823825581SEduardo Habkost 162923825581SEduardo Habkost static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) 163023825581SEduardo Habkost { 1631*6ca1502eSAlexey Kardashevskiy sPAPRMachineState *sm = SPAPR_MACHINE(obj); 163223825581SEduardo Habkost 163323825581SEduardo Habkost g_free(sm->kvm_type); 163423825581SEduardo Habkost sm->kvm_type = g_strdup(value); 163523825581SEduardo Habkost } 163623825581SEduardo Habkost 163723825581SEduardo Habkost static void spapr_machine_initfn(Object *obj) 163823825581SEduardo Habkost { 163923825581SEduardo Habkost object_property_add_str(obj, "kvm-type", 164023825581SEduardo Habkost spapr_get_kvm_type, spapr_set_kvm_type, NULL); 164123825581SEduardo Habkost } 164223825581SEduardo Habkost 164329ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 164453018216SPaolo Bonzini { 164529ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 164671461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 164729ee3247SAlexey Kardashevskiy 1648958db90cSMarcel Apfelbaum mc->name = "pseries"; 1649958db90cSMarcel Apfelbaum mc->desc = "pSeries Logical Partition (PAPR compliant)"; 1650958db90cSMarcel Apfelbaum mc->is_default = 1; 1651958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 1652958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 1653958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 1654958db90cSMarcel Apfelbaum mc->max_cpus = MAX_CPUS; 1655958db90cSMarcel Apfelbaum mc->no_parallel = 1; 1656958db90cSMarcel Apfelbaum mc->default_boot_order = NULL; 1657958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 165800b4fbe2SMarcel Apfelbaum 165971461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 166053018216SPaolo Bonzini } 166153018216SPaolo Bonzini 166229ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 166329ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 166429ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 1665*6ca1502eSAlexey Kardashevskiy .instance_size = sizeof(sPAPRMachineState), 166623825581SEduardo Habkost .instance_init = spapr_machine_initfn, 166729ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 166871461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 166971461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 167071461b0fSAlexey Kardashevskiy { } 167171461b0fSAlexey Kardashevskiy }, 167229ee3247SAlexey Kardashevskiy }; 167329ee3247SAlexey Kardashevskiy 167429ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 167529ee3247SAlexey Kardashevskiy { 167629ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 167729ee3247SAlexey Kardashevskiy } 167829ee3247SAlexey Kardashevskiy 167929ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 1680