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" 3753018216SPaolo Bonzini 3853018216SPaolo Bonzini #include "hw/boards.h" 390d09e41aSPaolo Bonzini #include "hw/ppc/ppc.h" 4053018216SPaolo Bonzini #include "hw/loader.h" 4153018216SPaolo Bonzini 420d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 430d09e41aSPaolo Bonzini #include "hw/ppc/spapr_vio.h" 440d09e41aSPaolo Bonzini #include "hw/pci-host/spapr.h" 450d09e41aSPaolo Bonzini #include "hw/ppc/xics.h" 4653018216SPaolo Bonzini #include "hw/pci/msi.h" 4753018216SPaolo Bonzini 4853018216SPaolo Bonzini #include "hw/pci/pci.h" 4971461b0fSAlexey Kardashevskiy #include "hw/scsi/scsi.h" 5071461b0fSAlexey Kardashevskiy #include "hw/virtio/virtio-scsi.h" 5153018216SPaolo Bonzini 5253018216SPaolo Bonzini #include "exec/address-spaces.h" 5353018216SPaolo Bonzini #include "hw/usb.h" 5453018216SPaolo Bonzini #include "qemu/config-file.h" 55135a129aSAneesh Kumar K.V #include "qemu/error-report.h" 562a6593cbSAlexey Kardashevskiy #include "trace.h" 5753018216SPaolo Bonzini 5853018216SPaolo Bonzini #include <libfdt.h> 5953018216SPaolo Bonzini 6053018216SPaolo Bonzini /* SLOF memory layout: 6153018216SPaolo Bonzini * 6253018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 6353018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 6453018216SPaolo Bonzini * 6553018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6653018216SPaolo Bonzini * and more 6753018216SPaolo Bonzini * 6853018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 6953018216SPaolo Bonzini */ 703bf6eeddSAlexey Kardashevskiy #define FDT_MAX_SIZE 0x40000 7153018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 7253018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 7353018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 7453018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7553018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7653018216SPaolo Bonzini 7753018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 7853018216SPaolo Bonzini 7953018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 8053018216SPaolo Bonzini 8153018216SPaolo Bonzini #define MAX_CPUS 256 8253018216SPaolo Bonzini #define XICS_IRQS 1024 8353018216SPaolo Bonzini 8453018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8553018216SPaolo Bonzini 8653018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8753018216SPaolo Bonzini 8829ee3247SAlexey Kardashevskiy #define TYPE_SPAPR_MACHINE "spapr-machine" 8929ee3247SAlexey Kardashevskiy 9053018216SPaolo Bonzini sPAPREnvironment *spapr; 9153018216SPaolo Bonzini 9253018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 9353018216SPaolo Bonzini { 9453018216SPaolo Bonzini int irq; 9553018216SPaolo Bonzini 9653018216SPaolo Bonzini if (hint) { 9753018216SPaolo Bonzini irq = hint; 98f1c2dc7cSAlexey Kardashevskiy if (hint >= spapr->next_irq) { 99f1c2dc7cSAlexey Kardashevskiy spapr->next_irq = hint + 1; 100f1c2dc7cSAlexey Kardashevskiy } 10153018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 10253018216SPaolo Bonzini } else { 10353018216SPaolo Bonzini irq = spapr->next_irq++; 10453018216SPaolo Bonzini } 10553018216SPaolo Bonzini 10653018216SPaolo Bonzini /* Configure irq type */ 10753018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 10853018216SPaolo Bonzini return 0; 10953018216SPaolo Bonzini } 11053018216SPaolo Bonzini 11153018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 11253018216SPaolo Bonzini 11353018216SPaolo Bonzini return irq; 11453018216SPaolo Bonzini } 11553018216SPaolo Bonzini 116f1c2dc7cSAlexey Kardashevskiy /* 117f1c2dc7cSAlexey Kardashevskiy * Allocate block of consequtive IRQs, returns a number of the first. 118f1c2dc7cSAlexey Kardashevskiy * If msi==true, aligns the first IRQ number to num. 119f1c2dc7cSAlexey Kardashevskiy */ 120f1c2dc7cSAlexey Kardashevskiy int spapr_allocate_irq_block(int num, bool lsi, bool msi) 12153018216SPaolo Bonzini { 12253018216SPaolo Bonzini int first = -1; 123f1c2dc7cSAlexey Kardashevskiy int i, hint = 0; 124f1c2dc7cSAlexey Kardashevskiy 125f1c2dc7cSAlexey Kardashevskiy /* 126f1c2dc7cSAlexey Kardashevskiy * MSIMesage::data is used for storing VIRQ so 127f1c2dc7cSAlexey Kardashevskiy * it has to be aligned to num to support multiple 128f1c2dc7cSAlexey Kardashevskiy * MSI vectors. MSI-X is not affected by this. 129f1c2dc7cSAlexey Kardashevskiy * The hint is used for the first IRQ, the rest should 13073f395faSStefan Weil * be allocated continuously. 131f1c2dc7cSAlexey Kardashevskiy */ 132f1c2dc7cSAlexey Kardashevskiy if (msi) { 133f1c2dc7cSAlexey Kardashevskiy assert((num == 1) || (num == 2) || (num == 4) || 134f1c2dc7cSAlexey Kardashevskiy (num == 8) || (num == 16) || (num == 32)); 135f1c2dc7cSAlexey Kardashevskiy hint = (spapr->next_irq + num - 1) & ~(num - 1); 136f1c2dc7cSAlexey Kardashevskiy } 13753018216SPaolo Bonzini 13853018216SPaolo Bonzini for (i = 0; i < num; ++i) { 13953018216SPaolo Bonzini int irq; 14053018216SPaolo Bonzini 141f1c2dc7cSAlexey Kardashevskiy irq = spapr_allocate_irq(hint, lsi); 14253018216SPaolo Bonzini if (!irq) { 14353018216SPaolo Bonzini return -1; 14453018216SPaolo Bonzini } 14553018216SPaolo Bonzini 14653018216SPaolo Bonzini if (0 == i) { 14753018216SPaolo Bonzini first = irq; 148f1c2dc7cSAlexey Kardashevskiy hint = 0; 14953018216SPaolo Bonzini } 15053018216SPaolo Bonzini 15153018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 15253018216SPaolo Bonzini * an internal bug */ 15353018216SPaolo Bonzini assert(irq == (first + i)); 15453018216SPaolo Bonzini } 15553018216SPaolo Bonzini 15653018216SPaolo Bonzini return first; 15753018216SPaolo Bonzini } 15853018216SPaolo Bonzini 159c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 160c04d6cfaSAnthony Liguori int nr_irqs) 161c04d6cfaSAnthony Liguori { 162c04d6cfaSAnthony Liguori DeviceState *dev; 163c04d6cfaSAnthony Liguori 164c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 165c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 166c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 167c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 168c04d6cfaSAnthony Liguori return NULL; 169c04d6cfaSAnthony Liguori } 170c04d6cfaSAnthony Liguori 1715a3d7b23SAlexey Kardashevskiy return XICS_COMMON(dev); 172c04d6cfaSAnthony Liguori } 173c04d6cfaSAnthony Liguori 174c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 175c04d6cfaSAnthony Liguori { 176c04d6cfaSAnthony Liguori XICSState *icp = NULL; 177c04d6cfaSAnthony Liguori 17811ad93f6SDavid Gibson if (kvm_enabled()) { 17911ad93f6SDavid Gibson QemuOpts *machine_opts = qemu_get_machine_opts(); 18011ad93f6SDavid Gibson bool irqchip_allowed = qemu_opt_get_bool(machine_opts, 18111ad93f6SDavid Gibson "kernel_irqchip", true); 18211ad93f6SDavid Gibson bool irqchip_required = qemu_opt_get_bool(machine_opts, 18311ad93f6SDavid Gibson "kernel_irqchip", false); 18411ad93f6SDavid Gibson if (irqchip_allowed) { 18511ad93f6SDavid Gibson icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs); 18611ad93f6SDavid Gibson } 18711ad93f6SDavid Gibson 18811ad93f6SDavid Gibson if (irqchip_required && !icp) { 18911ad93f6SDavid Gibson perror("Failed to create in-kernel XICS\n"); 19011ad93f6SDavid Gibson abort(); 19111ad93f6SDavid Gibson } 19211ad93f6SDavid Gibson } 19311ad93f6SDavid Gibson 19411ad93f6SDavid Gibson if (!icp) { 195c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 19611ad93f6SDavid Gibson } 19711ad93f6SDavid Gibson 198c04d6cfaSAnthony Liguori if (!icp) { 199c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 200c04d6cfaSAnthony Liguori abort(); 201c04d6cfaSAnthony Liguori } 202c04d6cfaSAnthony Liguori 203c04d6cfaSAnthony Liguori return icp; 204c04d6cfaSAnthony Liguori } 205c04d6cfaSAnthony Liguori 206833d4668SAlexey Kardashevskiy static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, 207833d4668SAlexey Kardashevskiy int smt_threads) 208833d4668SAlexey Kardashevskiy { 209833d4668SAlexey Kardashevskiy int i, ret = 0; 210833d4668SAlexey Kardashevskiy uint32_t servers_prop[smt_threads]; 211833d4668SAlexey Kardashevskiy uint32_t gservers_prop[smt_threads * 2]; 212833d4668SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 213833d4668SAlexey Kardashevskiy 2146d9412eaSAlexey Kardashevskiy if (cpu->cpu_version) { 2156d9412eaSAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "cpu-version", 2166d9412eaSAlexey Kardashevskiy &cpu->cpu_version, sizeof(cpu->cpu_version)); 2176d9412eaSAlexey Kardashevskiy if (ret < 0) { 2186d9412eaSAlexey Kardashevskiy return ret; 2196d9412eaSAlexey Kardashevskiy } 2206d9412eaSAlexey Kardashevskiy } 2216d9412eaSAlexey Kardashevskiy 222833d4668SAlexey Kardashevskiy /* Build interrupt servers and gservers properties */ 223833d4668SAlexey Kardashevskiy for (i = 0; i < smt_threads; i++) { 224833d4668SAlexey Kardashevskiy servers_prop[i] = cpu_to_be32(index + i); 225833d4668SAlexey Kardashevskiy /* Hack, direct the group queues back to cpu 0 */ 226833d4668SAlexey Kardashevskiy gservers_prop[i*2] = cpu_to_be32(index + i); 227833d4668SAlexey Kardashevskiy gservers_prop[i*2 + 1] = 0; 228833d4668SAlexey Kardashevskiy } 229833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 230833d4668SAlexey Kardashevskiy servers_prop, sizeof(servers_prop)); 231833d4668SAlexey Kardashevskiy if (ret < 0) { 232833d4668SAlexey Kardashevskiy return ret; 233833d4668SAlexey Kardashevskiy } 234833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", 235833d4668SAlexey Kardashevskiy gservers_prop, sizeof(gservers_prop)); 236833d4668SAlexey Kardashevskiy 237833d4668SAlexey Kardashevskiy return ret; 238833d4668SAlexey Kardashevskiy } 239833d4668SAlexey Kardashevskiy 24053018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 24153018216SPaolo Bonzini { 24282677ed2SAlexey Kardashevskiy int ret = 0, offset, cpus_offset; 24382677ed2SAlexey Kardashevskiy CPUState *cs; 24453018216SPaolo Bonzini char cpu_model[32]; 24553018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 24653018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 24753018216SPaolo Bonzini 24882677ed2SAlexey Kardashevskiy CPU_FOREACH(cs) { 24982677ed2SAlexey Kardashevskiy PowerPCCPU *cpu = POWERPC_CPU(cs); 25082677ed2SAlexey Kardashevskiy DeviceClass *dc = DEVICE_GET_CLASS(cs); 25182677ed2SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 25253018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 25353018216SPaolo Bonzini cpu_to_be32(0x0), 25453018216SPaolo Bonzini cpu_to_be32(0x0), 25553018216SPaolo Bonzini cpu_to_be32(0x0), 25682677ed2SAlexey Kardashevskiy cpu_to_be32(cs->numa_node), 2570f20ba62SAlexey Kardashevskiy cpu_to_be32(index)}; 25853018216SPaolo Bonzini 2590f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 26053018216SPaolo Bonzini continue; 26153018216SPaolo Bonzini } 26253018216SPaolo Bonzini 26382677ed2SAlexey Kardashevskiy snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index); 26453018216SPaolo Bonzini 26582677ed2SAlexey Kardashevskiy cpus_offset = fdt_path_offset(fdt, "/cpus"); 26682677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 26782677ed2SAlexey Kardashevskiy cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), 26882677ed2SAlexey Kardashevskiy "cpus"); 26982677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 27082677ed2SAlexey Kardashevskiy return cpus_offset; 27182677ed2SAlexey Kardashevskiy } 27282677ed2SAlexey Kardashevskiy } 27382677ed2SAlexey Kardashevskiy offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model); 27482677ed2SAlexey Kardashevskiy if (offset < 0) { 27582677ed2SAlexey Kardashevskiy offset = fdt_add_subnode(fdt, cpus_offset, cpu_model); 27653018216SPaolo Bonzini if (offset < 0) { 27753018216SPaolo Bonzini return offset; 27853018216SPaolo Bonzini } 27982677ed2SAlexey Kardashevskiy } 28053018216SPaolo Bonzini 28153018216SPaolo Bonzini if (nb_numa_nodes > 1) { 28253018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 28353018216SPaolo Bonzini sizeof(associativity)); 28453018216SPaolo Bonzini if (ret < 0) { 28553018216SPaolo Bonzini return ret; 28653018216SPaolo Bonzini } 28753018216SPaolo Bonzini } 28853018216SPaolo Bonzini 28953018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 29053018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 29153018216SPaolo Bonzini if (ret < 0) { 29253018216SPaolo Bonzini return ret; 29353018216SPaolo Bonzini } 294833d4668SAlexey Kardashevskiy 29582677ed2SAlexey Kardashevskiy ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, 296*2a48d993SAlexey Kardashevskiy ppc_get_compat_smt_threads(cpu)); 297833d4668SAlexey Kardashevskiy if (ret < 0) { 298833d4668SAlexey Kardashevskiy return ret; 299833d4668SAlexey Kardashevskiy } 30053018216SPaolo Bonzini } 30153018216SPaolo Bonzini return ret; 30253018216SPaolo Bonzini } 30353018216SPaolo Bonzini 30453018216SPaolo Bonzini 30553018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 30653018216SPaolo Bonzini size_t maxsize) 30753018216SPaolo Bonzini { 30853018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 30953018216SPaolo Bonzini int i, j, count; 31053018216SPaolo Bonzini uint32_t *p = prop; 31153018216SPaolo Bonzini 31253018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 31353018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 31453018216SPaolo Bonzini 31553018216SPaolo Bonzini if (!sps->page_shift) { 31653018216SPaolo Bonzini break; 31753018216SPaolo Bonzini } 31853018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 31953018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 32053018216SPaolo Bonzini break; 32153018216SPaolo Bonzini } 32253018216SPaolo Bonzini } 32353018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 32453018216SPaolo Bonzini break; 32553018216SPaolo Bonzini } 32653018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 32753018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 32853018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 32953018216SPaolo Bonzini for (j = 0; j < count; j++) { 33053018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 33153018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 33253018216SPaolo Bonzini } 33353018216SPaolo Bonzini } 33453018216SPaolo Bonzini 33553018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 33653018216SPaolo Bonzini } 33753018216SPaolo Bonzini 33853018216SPaolo Bonzini #define _FDT(exp) \ 33953018216SPaolo Bonzini do { \ 34053018216SPaolo Bonzini int ret = (exp); \ 34153018216SPaolo Bonzini if (ret < 0) { \ 34253018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 34353018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 34453018216SPaolo Bonzini exit(1); \ 34553018216SPaolo Bonzini } \ 34653018216SPaolo Bonzini } while (0) 34753018216SPaolo Bonzini 34853018216SPaolo Bonzini 3493bbf37f2SAndreas Färber static void *spapr_create_fdt_skel(hwaddr initrd_base, 35053018216SPaolo Bonzini hwaddr initrd_size, 35153018216SPaolo Bonzini hwaddr kernel_size, 35216457e7fSBenjamin Herrenschmidt bool little_endian, 35353018216SPaolo Bonzini const char *boot_device, 35453018216SPaolo Bonzini const char *kernel_cmdline, 35553018216SPaolo Bonzini uint32_t epow_irq) 35653018216SPaolo Bonzini { 35753018216SPaolo Bonzini void *fdt; 358182735efSAndreas Färber CPUState *cs; 35953018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 36053018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 36153018216SPaolo Bonzini char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt" 36242561bf2SAnton Blanchard "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode"; 36353018216SPaolo Bonzini char qemu_hypertas_prop[] = "hcall-memop1"; 36453018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 36553018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 366833d4668SAlexey Kardashevskiy int smt = kvmppc_smt_threads(); 36753018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 36810582ff8SAlexey Kardashevskiy QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); 36910582ff8SAlexey Kardashevskiy unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; 37010582ff8SAlexey Kardashevskiy uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; 37153018216SPaolo Bonzini 37253018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 37353018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 37453018216SPaolo Bonzini 37553018216SPaolo Bonzini if (kernel_size) { 37653018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 37753018216SPaolo Bonzini } 37853018216SPaolo Bonzini if (initrd_size) { 37953018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 38053018216SPaolo Bonzini } 38153018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 38253018216SPaolo Bonzini 38353018216SPaolo Bonzini /* Root node */ 38453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 38553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 38653018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 387fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 38853018216SPaolo Bonzini 38953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 39053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 39153018216SPaolo Bonzini 39253018216SPaolo Bonzini /* /chosen */ 39353018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 39453018216SPaolo Bonzini 39553018216SPaolo Bonzini /* Set Form1_affinity */ 39653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 39753018216SPaolo Bonzini 39853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 39953018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 40053018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 40153018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 40253018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 40353018216SPaolo Bonzini if (kernel_size) { 40453018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 40553018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 40653018216SPaolo Bonzini 40753018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 40816457e7fSBenjamin Herrenschmidt if (little_endian) { 40916457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 41016457e7fSBenjamin Herrenschmidt } 41153018216SPaolo Bonzini } 41253018216SPaolo Bonzini if (boot_device) { 41353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 41453018216SPaolo Bonzini } 41553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 41653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 41753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 41853018216SPaolo Bonzini 41953018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 42053018216SPaolo Bonzini 42153018216SPaolo Bonzini /* cpus */ 42253018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 42353018216SPaolo Bonzini 42453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 42553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 42653018216SPaolo Bonzini 427bdc44640SAndreas Färber CPU_FOREACH(cs) { 428182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 429182735efSAndreas Färber CPUPPCState *env = &cpu->env; 4303bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cs); 431182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 4320f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 43353018216SPaolo Bonzini char *nodename; 43453018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 43553018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 43653018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 43753018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 43853018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 43953018216SPaolo Bonzini size_t page_sizes_prop_size; 44053018216SPaolo Bonzini 44153018216SPaolo Bonzini if ((index % smt) != 0) { 44253018216SPaolo Bonzini continue; 44353018216SPaolo Bonzini } 44453018216SPaolo Bonzini 4453bbf37f2SAndreas Färber nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 44653018216SPaolo Bonzini 44753018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 44853018216SPaolo Bonzini 44953018216SPaolo Bonzini g_free(nodename); 45053018216SPaolo Bonzini 45153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 45253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 45353018216SPaolo Bonzini 45453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 4550cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 45653018216SPaolo Bonzini env->dcache_line_size))); 4570cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 4580cbad81fSDavid Gibson env->dcache_line_size))); 4590cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 46053018216SPaolo Bonzini env->icache_line_size))); 4610cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 4620cbad81fSDavid Gibson env->icache_line_size))); 4630cbad81fSDavid Gibson 4640cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 4650cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 4660cbad81fSDavid Gibson } else { 4670cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 4680cbad81fSDavid Gibson } 4690cbad81fSDavid Gibson if (pcc->l1_icache_size) { 4700cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 4710cbad81fSDavid Gibson } else { 4720cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 4730cbad81fSDavid Gibson } 4740cbad81fSDavid Gibson 47553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 47653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 47753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 47853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 47953018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 48053018216SPaolo Bonzini 481dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 482dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 483dcb861cbSAlexey Kardashevskiy } 484dcb861cbSAlexey Kardashevskiy 48553018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 48653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 48753018216SPaolo Bonzini segs, sizeof(segs)))); 48853018216SPaolo Bonzini } 48953018216SPaolo Bonzini 49053018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 49153018216SPaolo Bonzini * 0 / no property == no vector extensions 49253018216SPaolo Bonzini * 1 == VMX / Altivec available 49353018216SPaolo Bonzini * 2 == VSX available */ 49453018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 49553018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 49653018216SPaolo Bonzini 49753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 49853018216SPaolo Bonzini } 49953018216SPaolo Bonzini 50053018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 50153018216SPaolo Bonzini * 0 / no property == no DFP 50253018216SPaolo Bonzini * 1 == DFP available */ 50353018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 50453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 50553018216SPaolo Bonzini } 50653018216SPaolo Bonzini 50753018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 50853018216SPaolo Bonzini sizeof(page_sizes_prop)); 50953018216SPaolo Bonzini if (page_sizes_prop_size) { 51053018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 51153018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 51253018216SPaolo Bonzini } 51353018216SPaolo Bonzini 51410582ff8SAlexey Kardashevskiy _FDT((fdt_property_cell(fdt, "ibm,chip-id", 51510582ff8SAlexey Kardashevskiy cs->cpu_index / cpus_per_socket))); 51610582ff8SAlexey Kardashevskiy 51753018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 51853018216SPaolo Bonzini } 51953018216SPaolo Bonzini 52053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 52153018216SPaolo Bonzini 52253018216SPaolo Bonzini /* RTAS */ 52353018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 52453018216SPaolo Bonzini 52553018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop, 52653018216SPaolo Bonzini sizeof(hypertas_prop)))); 52753018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop, 52853018216SPaolo Bonzini sizeof(qemu_hypertas_prop)))); 52953018216SPaolo Bonzini 53053018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 53153018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 53253018216SPaolo Bonzini 53353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 53453018216SPaolo Bonzini 53553018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 53653018216SPaolo Bonzini 53753018216SPaolo Bonzini /* interrupt controller */ 53853018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 53953018216SPaolo Bonzini 54053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 54153018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 54253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 54353018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 54453018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 54553018216SPaolo Bonzini interrupt_server_ranges_prop, 54653018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 54753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 54853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 54953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 55053018216SPaolo Bonzini 55153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55253018216SPaolo Bonzini 55353018216SPaolo Bonzini /* vdevice */ 55453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 55553018216SPaolo Bonzini 55653018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 55753018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 55853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 55953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 56053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 56153018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 56253018216SPaolo Bonzini 56353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 56453018216SPaolo Bonzini 56553018216SPaolo Bonzini /* event-sources */ 56653018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 56753018216SPaolo Bonzini 56853018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 56953018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 57053018216SPaolo Bonzini 57153018216SPaolo Bonzini return fdt; 57253018216SPaolo Bonzini } 57353018216SPaolo Bonzini 5742a6593cbSAlexey Kardashevskiy int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) 5752a6593cbSAlexey Kardashevskiy { 5762a6593cbSAlexey Kardashevskiy void *fdt, *fdt_skel; 5772a6593cbSAlexey Kardashevskiy sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; 5782a6593cbSAlexey Kardashevskiy 5792a6593cbSAlexey Kardashevskiy size -= sizeof(hdr); 5802a6593cbSAlexey Kardashevskiy 5812a6593cbSAlexey Kardashevskiy /* Create sceleton */ 5822a6593cbSAlexey Kardashevskiy fdt_skel = g_malloc0(size); 5832a6593cbSAlexey Kardashevskiy _FDT((fdt_create(fdt_skel, size))); 5842a6593cbSAlexey Kardashevskiy _FDT((fdt_begin_node(fdt_skel, ""))); 5852a6593cbSAlexey Kardashevskiy _FDT((fdt_end_node(fdt_skel))); 5862a6593cbSAlexey Kardashevskiy _FDT((fdt_finish(fdt_skel))); 5872a6593cbSAlexey Kardashevskiy fdt = g_malloc0(size); 5882a6593cbSAlexey Kardashevskiy _FDT((fdt_open_into(fdt_skel, fdt, size))); 5892a6593cbSAlexey Kardashevskiy g_free(fdt_skel); 5902a6593cbSAlexey Kardashevskiy 5912a6593cbSAlexey Kardashevskiy /* Place to make changes to the tree */ 5922a6593cbSAlexey Kardashevskiy 5932a6593cbSAlexey Kardashevskiy /* Pack resulting tree */ 5942a6593cbSAlexey Kardashevskiy _FDT((fdt_pack(fdt))); 5952a6593cbSAlexey Kardashevskiy 5962a6593cbSAlexey Kardashevskiy if (fdt_totalsize(fdt) + sizeof(hdr) > size) { 5972a6593cbSAlexey Kardashevskiy trace_spapr_cas_failed(size); 5982a6593cbSAlexey Kardashevskiy return -1; 5992a6593cbSAlexey Kardashevskiy } 6002a6593cbSAlexey Kardashevskiy 6012a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); 6022a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); 6032a6593cbSAlexey Kardashevskiy trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); 6042a6593cbSAlexey Kardashevskiy g_free(fdt); 6052a6593cbSAlexey Kardashevskiy 6062a6593cbSAlexey Kardashevskiy return 0; 6072a6593cbSAlexey Kardashevskiy } 6082a6593cbSAlexey Kardashevskiy 60953018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 61053018216SPaolo Bonzini { 61153018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 61253018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 61353018216SPaolo Bonzini cpu_to_be32(0x0)}; 61453018216SPaolo Bonzini char mem_name[32]; 6155fe269b1SPaul Mackerras hwaddr node0_size, mem_start, node_size; 61653018216SPaolo Bonzini uint64_t mem_reg_property[2]; 61753018216SPaolo Bonzini int i, off; 61853018216SPaolo Bonzini 61953018216SPaolo Bonzini /* memory node(s) */ 6205fe269b1SPaul Mackerras if (nb_numa_nodes > 1 && node_mem[0] < ram_size) { 6215fe269b1SPaul Mackerras node0_size = node_mem[0]; 6225fe269b1SPaul Mackerras } else { 6235fe269b1SPaul Mackerras node0_size = ram_size; 6245fe269b1SPaul Mackerras } 62553018216SPaolo Bonzini 62653018216SPaolo Bonzini /* RMA */ 62753018216SPaolo Bonzini mem_reg_property[0] = 0; 62853018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 62953018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 63053018216SPaolo Bonzini _FDT(off); 63153018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 63253018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 63353018216SPaolo Bonzini sizeof(mem_reg_property)))); 63453018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 63553018216SPaolo Bonzini sizeof(associativity)))); 63653018216SPaolo Bonzini 63753018216SPaolo Bonzini /* RAM: Node 0 */ 63853018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 63953018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 64053018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 64153018216SPaolo Bonzini 64253018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 64353018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 64453018216SPaolo Bonzini _FDT(off); 64553018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 64653018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 64753018216SPaolo Bonzini sizeof(mem_reg_property)))); 64853018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 64953018216SPaolo Bonzini sizeof(associativity)))); 65053018216SPaolo Bonzini } 65153018216SPaolo Bonzini 65253018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 65353018216SPaolo Bonzini mem_start = node0_size; 65453018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 65553018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 6565fe269b1SPaul Mackerras if (mem_start >= ram_size) { 6575fe269b1SPaul Mackerras node_size = 0; 6585fe269b1SPaul Mackerras } else { 6595fe269b1SPaul Mackerras node_size = node_mem[i]; 6605fe269b1SPaul Mackerras if (node_size > ram_size - mem_start) { 6615fe269b1SPaul Mackerras node_size = ram_size - mem_start; 6625fe269b1SPaul Mackerras } 6635fe269b1SPaul Mackerras } 6645fe269b1SPaul Mackerras mem_reg_property[1] = cpu_to_be64(node_size); 66553018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 66653018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 66753018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 66853018216SPaolo Bonzini _FDT(off); 66953018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 67053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 67153018216SPaolo Bonzini sizeof(mem_reg_property)))); 67253018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 67353018216SPaolo Bonzini sizeof(associativity)))); 6745fe269b1SPaul Mackerras mem_start += node_size; 67553018216SPaolo Bonzini } 67653018216SPaolo Bonzini 67753018216SPaolo Bonzini return 0; 67853018216SPaolo Bonzini } 67953018216SPaolo Bonzini 68053018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 68153018216SPaolo Bonzini hwaddr fdt_addr, 68253018216SPaolo Bonzini hwaddr rtas_addr, 68353018216SPaolo Bonzini hwaddr rtas_size) 68453018216SPaolo Bonzini { 68571461b0fSAlexey Kardashevskiy int ret, i; 68671461b0fSAlexey Kardashevskiy size_t cb = 0; 68771461b0fSAlexey Kardashevskiy char *bootlist; 68853018216SPaolo Bonzini void *fdt; 68953018216SPaolo Bonzini sPAPRPHBState *phb; 69053018216SPaolo Bonzini 69153018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 69253018216SPaolo Bonzini 69353018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 69453018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 69553018216SPaolo Bonzini 69653018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 69753018216SPaolo Bonzini if (ret < 0) { 69853018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 69953018216SPaolo Bonzini exit(1); 70053018216SPaolo Bonzini } 70153018216SPaolo Bonzini 70253018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 70353018216SPaolo Bonzini if (ret < 0) { 70453018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 70553018216SPaolo Bonzini exit(1); 70653018216SPaolo Bonzini } 70753018216SPaolo Bonzini 70853018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 70953018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 71053018216SPaolo Bonzini } 71153018216SPaolo Bonzini 71253018216SPaolo Bonzini if (ret < 0) { 71353018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 71453018216SPaolo Bonzini exit(1); 71553018216SPaolo Bonzini } 71653018216SPaolo Bonzini 71753018216SPaolo Bonzini /* RTAS */ 71853018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 71953018216SPaolo Bonzini if (ret < 0) { 72053018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 72153018216SPaolo Bonzini } 72253018216SPaolo Bonzini 72353018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 72453018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 72553018216SPaolo Bonzini if (ret < 0) { 72653018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 72753018216SPaolo Bonzini } 72853018216SPaolo Bonzini 72971461b0fSAlexey Kardashevskiy bootlist = get_boot_devices_list(&cb, true); 73071461b0fSAlexey Kardashevskiy if (cb && bootlist) { 73171461b0fSAlexey Kardashevskiy int offset = fdt_path_offset(fdt, "/chosen"); 73271461b0fSAlexey Kardashevskiy if (offset < 0) { 73371461b0fSAlexey Kardashevskiy exit(1); 73471461b0fSAlexey Kardashevskiy } 73571461b0fSAlexey Kardashevskiy for (i = 0; i < cb; i++) { 73671461b0fSAlexey Kardashevskiy if (bootlist[i] == '\n') { 73771461b0fSAlexey Kardashevskiy bootlist[i] = ' '; 73871461b0fSAlexey Kardashevskiy } 73971461b0fSAlexey Kardashevskiy 74071461b0fSAlexey Kardashevskiy } 74171461b0fSAlexey Kardashevskiy ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); 74271461b0fSAlexey Kardashevskiy } 74371461b0fSAlexey Kardashevskiy 74453018216SPaolo Bonzini if (!spapr->has_graphics) { 74553018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 74653018216SPaolo Bonzini } 74753018216SPaolo Bonzini 74853018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 74953018216SPaolo Bonzini 75053018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 75153018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 75253018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 75353018216SPaolo Bonzini exit(1); 75453018216SPaolo Bonzini } 75553018216SPaolo Bonzini 75653018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 75753018216SPaolo Bonzini 75853018216SPaolo Bonzini g_free(fdt); 75953018216SPaolo Bonzini } 76053018216SPaolo Bonzini 76153018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 76253018216SPaolo Bonzini { 76353018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 76453018216SPaolo Bonzini } 76553018216SPaolo Bonzini 76653018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 76753018216SPaolo Bonzini { 76853018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 76953018216SPaolo Bonzini 77053018216SPaolo Bonzini if (msr_pr) { 77153018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 77253018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 77353018216SPaolo Bonzini } else { 77453018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 77553018216SPaolo Bonzini } 77653018216SPaolo Bonzini } 77753018216SPaolo Bonzini 77853018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 77953018216SPaolo Bonzini { 78053018216SPaolo Bonzini long shift; 78153018216SPaolo Bonzini 78253018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 78353018216SPaolo Bonzini * later we should probably make it scale to the size of guest 78453018216SPaolo Bonzini * RAM */ 78553018216SPaolo Bonzini 78653018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 78753018216SPaolo Bonzini 78853018216SPaolo Bonzini if (shift > 0) { 78953018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 79053018216SPaolo Bonzini spapr->htab_shift = shift; 7917c43bca0SAneesh Kumar K.V kvmppc_kern_htab = true; 79253018216SPaolo Bonzini } else { 79353018216SPaolo Bonzini if (!spapr->htab) { 79453018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 79553018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 79653018216SPaolo Bonzini } 79753018216SPaolo Bonzini 79853018216SPaolo Bonzini /* And clear it */ 79953018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 80053018216SPaolo Bonzini } 80153018216SPaolo Bonzini 80253018216SPaolo Bonzini /* Update the RMA size if necessary */ 80353018216SPaolo Bonzini if (spapr->vrma_adjust) { 804c4177479SAlexey Kardashevskiy hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 805c4177479SAlexey Kardashevskiy spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); 80653018216SPaolo Bonzini } 80753018216SPaolo Bonzini } 80853018216SPaolo Bonzini 80953018216SPaolo Bonzini static void ppc_spapr_reset(void) 81053018216SPaolo Bonzini { 811182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 812259186a7SAndreas Färber 81353018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 81453018216SPaolo Bonzini spapr_reset_htab(spapr); 81553018216SPaolo Bonzini 81653018216SPaolo Bonzini qemu_devices_reset(); 81753018216SPaolo Bonzini 81853018216SPaolo Bonzini /* Load the fdt */ 81953018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 82053018216SPaolo Bonzini spapr->rtas_size); 82153018216SPaolo Bonzini 82253018216SPaolo Bonzini /* Set up the entry state */ 823182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 824182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 825182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 826182735efSAndreas Färber first_cpu->halted = 0; 827182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 82853018216SPaolo Bonzini 82953018216SPaolo Bonzini } 83053018216SPaolo Bonzini 83153018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 83253018216SPaolo Bonzini { 83353018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 834259186a7SAndreas Färber CPUState *cs = CPU(cpu); 83553018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 83653018216SPaolo Bonzini 837259186a7SAndreas Färber cpu_reset(cs); 83853018216SPaolo Bonzini 83953018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 84053018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 84153018216SPaolo Bonzini * using an RTAS call */ 842259186a7SAndreas Färber cs->halted = 1; 84353018216SPaolo Bonzini 84453018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 84553018216SPaolo Bonzini 8464be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 8475736245cSAneesh Kumar K.V if (kvm_enabled() && !env->external_htab) { 8485736245cSAneesh Kumar K.V /* 8495736245cSAneesh Kumar K.V * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte* 8505736245cSAneesh Kumar K.V * functions do the right thing. 8515736245cSAneesh Kumar K.V */ 8525736245cSAneesh Kumar K.V env->external_htab = (void *)1; 8535736245cSAneesh Kumar K.V } 85453018216SPaolo Bonzini env->htab_base = -1; 855f3c75d42SAneesh Kumar K.V /* 856f3c75d42SAneesh Kumar K.V * htab_mask is the mask used to normalize hash value to PTEG index. 857f3c75d42SAneesh Kumar K.V * htab_shift is log2 of hash table size. 858f3c75d42SAneesh Kumar K.V * We have 8 hpte per group, and each hpte is 16 bytes. 859f3c75d42SAneesh Kumar K.V * ie have 128 bytes per hpte entry. 860f3c75d42SAneesh Kumar K.V */ 861f3c75d42SAneesh Kumar K.V env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; 862ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 86353018216SPaolo Bonzini (spapr->htab_shift - 18); 86453018216SPaolo Bonzini } 86553018216SPaolo Bonzini 86653018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 86753018216SPaolo Bonzini { 8682ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 8693978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 87053018216SPaolo Bonzini 8713978b863SPaolo Bonzini if (dinfo) { 8723978b863SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); 87353018216SPaolo Bonzini } 87453018216SPaolo Bonzini 87553018216SPaolo Bonzini qdev_init_nofail(dev); 87653018216SPaolo Bonzini 87753018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 87853018216SPaolo Bonzini } 87953018216SPaolo Bonzini 88053018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 88153018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 88253018216SPaolo Bonzini { 88353018216SPaolo Bonzini switch (vga_interface_type) { 88453018216SPaolo Bonzini case VGA_NONE: 8857effdaa3SMark Wu return false; 8867effdaa3SMark Wu case VGA_DEVICE: 8877effdaa3SMark Wu return true; 88853018216SPaolo Bonzini case VGA_STD: 88953018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 89053018216SPaolo Bonzini default: 89153018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 89253018216SPaolo Bonzini "currently it only supports -vga std\n"); 89353018216SPaolo Bonzini exit(0); 89453018216SPaolo Bonzini } 89553018216SPaolo Bonzini } 89653018216SPaolo Bonzini 8974be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 8984be21d56SDavid Gibson .name = "spapr", 89998a8b524SAlexey Kardashevskiy .version_id = 2, 9004be21d56SDavid Gibson .minimum_version_id = 1, 9014be21d56SDavid Gibson .fields = (VMStateField[]) { 9024be21d56SDavid Gibson VMSTATE_UINT32(next_irq, sPAPREnvironment), 9034be21d56SDavid Gibson 9044be21d56SDavid Gibson /* RTC offset */ 9054be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 90698a8b524SAlexey Kardashevskiy VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), 9074be21d56SDavid Gibson VMSTATE_END_OF_LIST() 9084be21d56SDavid Gibson }, 9094be21d56SDavid Gibson }; 9104be21d56SDavid Gibson 9114be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 9124be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 9134be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 9144be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 9154be21d56SDavid Gibson 9164be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 9174be21d56SDavid Gibson { 9184be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 9194be21d56SDavid Gibson 9204be21d56SDavid Gibson /* "Iteration" header */ 9214be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 9224be21d56SDavid Gibson 923e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 924e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 925e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 926e68cb8b4SAlexey Kardashevskiy } else { 927e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 928e68cb8b4SAlexey Kardashevskiy 929e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 930e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 931e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 932e68cb8b4SAlexey Kardashevskiy strerror(errno)); 933e68cb8b4SAlexey Kardashevskiy return -1; 934e68cb8b4SAlexey Kardashevskiy } 9354be21d56SDavid Gibson } 9364be21d56SDavid Gibson 937e68cb8b4SAlexey Kardashevskiy 938e68cb8b4SAlexey Kardashevskiy return 0; 939e68cb8b4SAlexey Kardashevskiy } 9404be21d56SDavid Gibson 9414be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 9424be21d56SDavid Gibson int64_t max_ns) 9434be21d56SDavid Gibson { 9444be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 9454be21d56SDavid Gibson int index = spapr->htab_save_index; 946bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 9474be21d56SDavid Gibson 9484be21d56SDavid Gibson assert(spapr->htab_first_pass); 9494be21d56SDavid Gibson 9504be21d56SDavid Gibson do { 9514be21d56SDavid Gibson int chunkstart; 9524be21d56SDavid Gibson 9534be21d56SDavid Gibson /* Consume invalid HPTEs */ 9544be21d56SDavid Gibson while ((index < htabslots) 9554be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 9564be21d56SDavid Gibson index++; 9574be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9584be21d56SDavid Gibson } 9594be21d56SDavid Gibson 9604be21d56SDavid Gibson /* Consume valid HPTEs */ 9614be21d56SDavid Gibson chunkstart = index; 9624be21d56SDavid Gibson while ((index < htabslots) 9634be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 9644be21d56SDavid Gibson index++; 9654be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9664be21d56SDavid Gibson } 9674be21d56SDavid Gibson 9684be21d56SDavid Gibson if (index > chunkstart) { 9694be21d56SDavid Gibson int n_valid = index - chunkstart; 9704be21d56SDavid Gibson 9714be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 9724be21d56SDavid Gibson qemu_put_be16(f, n_valid); 9734be21d56SDavid Gibson qemu_put_be16(f, 0); 9744be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 9754be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 9764be21d56SDavid Gibson 977bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 9784be21d56SDavid Gibson break; 9794be21d56SDavid Gibson } 9804be21d56SDavid Gibson } 9814be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 9824be21d56SDavid Gibson 9834be21d56SDavid Gibson if (index >= htabslots) { 9844be21d56SDavid Gibson assert(index == htabslots); 9854be21d56SDavid Gibson index = 0; 9864be21d56SDavid Gibson spapr->htab_first_pass = false; 9874be21d56SDavid Gibson } 9884be21d56SDavid Gibson spapr->htab_save_index = index; 9894be21d56SDavid Gibson } 9904be21d56SDavid Gibson 991e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 9924be21d56SDavid Gibson int64_t max_ns) 9934be21d56SDavid Gibson { 9944be21d56SDavid Gibson bool final = max_ns < 0; 9954be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 9964be21d56SDavid Gibson int examined = 0, sent = 0; 9974be21d56SDavid Gibson int index = spapr->htab_save_index; 998bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 9994be21d56SDavid Gibson 10004be21d56SDavid Gibson assert(!spapr->htab_first_pass); 10014be21d56SDavid Gibson 10024be21d56SDavid Gibson do { 10034be21d56SDavid Gibson int chunkstart, invalidstart; 10044be21d56SDavid Gibson 10054be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 10064be21d56SDavid Gibson while ((index < htabslots) 10074be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 10084be21d56SDavid Gibson index++; 10094be21d56SDavid Gibson examined++; 10104be21d56SDavid Gibson } 10114be21d56SDavid Gibson 10124be21d56SDavid Gibson chunkstart = index; 10134be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 10144be21d56SDavid Gibson while ((index < htabslots) 10154be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10164be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10174be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10184be21d56SDavid Gibson index++; 10194be21d56SDavid Gibson examined++; 10204be21d56SDavid Gibson } 10214be21d56SDavid Gibson 10224be21d56SDavid Gibson invalidstart = index; 10234be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 10244be21d56SDavid Gibson while ((index < htabslots) 10254be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10264be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10274be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10284be21d56SDavid Gibson index++; 10294be21d56SDavid Gibson examined++; 10304be21d56SDavid Gibson } 10314be21d56SDavid Gibson 10324be21d56SDavid Gibson if (index > chunkstart) { 10334be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 10344be21d56SDavid Gibson int n_invalid = index - invalidstart; 10354be21d56SDavid Gibson 10364be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10374be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10384be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 10394be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10404be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10414be21d56SDavid Gibson sent += index - chunkstart; 10424be21d56SDavid Gibson 1043bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 10444be21d56SDavid Gibson break; 10454be21d56SDavid Gibson } 10464be21d56SDavid Gibson } 10474be21d56SDavid Gibson 10484be21d56SDavid Gibson if (examined >= htabslots) { 10494be21d56SDavid Gibson break; 10504be21d56SDavid Gibson } 10514be21d56SDavid Gibson 10524be21d56SDavid Gibson if (index >= htabslots) { 10534be21d56SDavid Gibson assert(index == htabslots); 10544be21d56SDavid Gibson index = 0; 10554be21d56SDavid Gibson } 10564be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 10574be21d56SDavid Gibson 10584be21d56SDavid Gibson if (index >= htabslots) { 10594be21d56SDavid Gibson assert(index == htabslots); 10604be21d56SDavid Gibson index = 0; 10614be21d56SDavid Gibson } 10624be21d56SDavid Gibson 10634be21d56SDavid Gibson spapr->htab_save_index = index; 10644be21d56SDavid Gibson 1065e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 10664be21d56SDavid Gibson } 10674be21d56SDavid Gibson 1068e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 1069e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 1070e68cb8b4SAlexey Kardashevskiy 10714be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 10724be21d56SDavid Gibson { 10734be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 1074e68cb8b4SAlexey Kardashevskiy int rc = 0; 10754be21d56SDavid Gibson 10764be21d56SDavid Gibson /* Iteration header */ 10774be21d56SDavid Gibson qemu_put_be32(f, 0); 10784be21d56SDavid Gibson 1079e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1080e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1081e68cb8b4SAlexey Kardashevskiy 1082e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 1083e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1084e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1085e68cb8b4SAlexey Kardashevskiy return rc; 1086e68cb8b4SAlexey Kardashevskiy } 1087e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 10884be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 10894be21d56SDavid Gibson } else { 1090e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 10914be21d56SDavid Gibson } 10924be21d56SDavid Gibson 10934be21d56SDavid Gibson /* End marker */ 10944be21d56SDavid Gibson qemu_put_be32(f, 0); 10954be21d56SDavid Gibson qemu_put_be16(f, 0); 10964be21d56SDavid Gibson qemu_put_be16(f, 0); 10974be21d56SDavid Gibson 1098e68cb8b4SAlexey Kardashevskiy return rc; 10994be21d56SDavid Gibson } 11004be21d56SDavid Gibson 11014be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 11024be21d56SDavid Gibson { 11034be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11044be21d56SDavid Gibson 11054be21d56SDavid Gibson /* Iteration header */ 11064be21d56SDavid Gibson qemu_put_be32(f, 0); 11074be21d56SDavid Gibson 1108e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1109e68cb8b4SAlexey Kardashevskiy int rc; 1110e68cb8b4SAlexey Kardashevskiy 1111e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1112e68cb8b4SAlexey Kardashevskiy 1113e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 1114e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1115e68cb8b4SAlexey Kardashevskiy return rc; 1116e68cb8b4SAlexey Kardashevskiy } 1117e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 1118e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 1119e68cb8b4SAlexey Kardashevskiy } else { 11204be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1121e68cb8b4SAlexey Kardashevskiy } 11224be21d56SDavid Gibson 11234be21d56SDavid Gibson /* End marker */ 11244be21d56SDavid Gibson qemu_put_be32(f, 0); 11254be21d56SDavid Gibson qemu_put_be16(f, 0); 11264be21d56SDavid Gibson qemu_put_be16(f, 0); 11274be21d56SDavid Gibson 11284be21d56SDavid Gibson return 0; 11294be21d56SDavid Gibson } 11304be21d56SDavid Gibson 11314be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 11324be21d56SDavid Gibson { 11334be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11344be21d56SDavid Gibson uint32_t section_hdr; 1135e68cb8b4SAlexey Kardashevskiy int fd = -1; 11364be21d56SDavid Gibson 11374be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 11384be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 11394be21d56SDavid Gibson return -EINVAL; 11404be21d56SDavid Gibson } 11414be21d56SDavid Gibson 11424be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 11434be21d56SDavid Gibson 11444be21d56SDavid Gibson if (section_hdr) { 11454be21d56SDavid Gibson /* First section, just the hash shift */ 11464be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 11474be21d56SDavid Gibson return -EINVAL; 11484be21d56SDavid Gibson } 11494be21d56SDavid Gibson return 0; 11504be21d56SDavid Gibson } 11514be21d56SDavid Gibson 1152e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1153e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1154e68cb8b4SAlexey Kardashevskiy 1155e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1156e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1157e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1158e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1159e68cb8b4SAlexey Kardashevskiy } 1160e68cb8b4SAlexey Kardashevskiy } 1161e68cb8b4SAlexey Kardashevskiy 11624be21d56SDavid Gibson while (true) { 11634be21d56SDavid Gibson uint32_t index; 11644be21d56SDavid Gibson uint16_t n_valid, n_invalid; 11654be21d56SDavid Gibson 11664be21d56SDavid Gibson index = qemu_get_be32(f); 11674be21d56SDavid Gibson n_valid = qemu_get_be16(f); 11684be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 11694be21d56SDavid Gibson 11704be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 11714be21d56SDavid Gibson /* End of Stream */ 11724be21d56SDavid Gibson break; 11734be21d56SDavid Gibson } 11744be21d56SDavid Gibson 1175e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 11764be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 11774be21d56SDavid Gibson /* Bad index in stream */ 11784be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1179e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1180e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 11814be21d56SDavid Gibson return -EINVAL; 11824be21d56SDavid Gibson } 11834be21d56SDavid Gibson 1184e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 11854be21d56SDavid Gibson if (n_valid) { 11864be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 11874be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 11884be21d56SDavid Gibson } 11894be21d56SDavid Gibson if (n_invalid) { 11904be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 11914be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 11924be21d56SDavid Gibson } 1193e68cb8b4SAlexey Kardashevskiy } else { 1194e68cb8b4SAlexey Kardashevskiy int rc; 1195e68cb8b4SAlexey Kardashevskiy 1196e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1197e68cb8b4SAlexey Kardashevskiy 1198e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1199e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1200e68cb8b4SAlexey Kardashevskiy return rc; 1201e68cb8b4SAlexey Kardashevskiy } 1202e68cb8b4SAlexey Kardashevskiy } 1203e68cb8b4SAlexey Kardashevskiy } 1204e68cb8b4SAlexey Kardashevskiy 1205e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1206e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1207e68cb8b4SAlexey Kardashevskiy close(fd); 12084be21d56SDavid Gibson } 12094be21d56SDavid Gibson 12104be21d56SDavid Gibson return 0; 12114be21d56SDavid Gibson } 12124be21d56SDavid Gibson 12134be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 12144be21d56SDavid Gibson .save_live_setup = htab_save_setup, 12154be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 12164be21d56SDavid Gibson .save_live_complete = htab_save_complete, 12174be21d56SDavid Gibson .load_state = htab_load, 12184be21d56SDavid Gibson }; 12194be21d56SDavid Gibson 122053018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 12213ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 122253018216SPaolo Bonzini { 12233ef96221SMarcel Apfelbaum ram_addr_t ram_size = machine->ram_size; 12243ef96221SMarcel Apfelbaum const char *cpu_model = machine->cpu_model; 12253ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 12263ef96221SMarcel Apfelbaum const char *kernel_cmdline = machine->kernel_cmdline; 12273ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 12283ef96221SMarcel Apfelbaum const char *boot_device = machine->boot_order; 122953018216SPaolo Bonzini PowerPCCPU *cpu; 123053018216SPaolo Bonzini CPUPPCState *env; 123153018216SPaolo Bonzini PCIHostState *phb; 123253018216SPaolo Bonzini int i; 123353018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 123453018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 123553018216SPaolo Bonzini hwaddr rma_alloc_size; 1236c4177479SAlexey Kardashevskiy hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 123753018216SPaolo Bonzini uint32_t initrd_base = 0; 123853018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 123953018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 124016457e7fSBenjamin Herrenschmidt bool kernel_le = false; 124153018216SPaolo Bonzini char *filename; 124253018216SPaolo Bonzini 124353018216SPaolo Bonzini msi_supported = true; 124453018216SPaolo Bonzini 124553018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 124653018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 124753018216SPaolo Bonzini 124853018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 124953018216SPaolo Bonzini 125053018216SPaolo Bonzini /* Allocate RMA if necessary */ 125153018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 125253018216SPaolo Bonzini 125353018216SPaolo Bonzini if (rma_alloc_size == -1) { 125453018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 125553018216SPaolo Bonzini exit(1); 125653018216SPaolo Bonzini } 125753018216SPaolo Bonzini 1258c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 125953018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 126053018216SPaolo Bonzini } else { 1261c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 126253018216SPaolo Bonzini 126353018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 126453018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 126553018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 126653018216SPaolo Bonzini * 126753018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 126853018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 126953018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 127053018216SPaolo Bonzini * isn't determined yet. 127153018216SPaolo Bonzini */ 127253018216SPaolo Bonzini if (kvm_enabled()) { 127353018216SPaolo Bonzini spapr->vrma_adjust = 1; 127453018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 127553018216SPaolo Bonzini } 127653018216SPaolo Bonzini } 127753018216SPaolo Bonzini 1278c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1279c4177479SAlexey Kardashevskiy fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n", 1280c4177479SAlexey Kardashevskiy spapr->rma_size); 1281c4177479SAlexey Kardashevskiy exit(1); 1282c4177479SAlexey Kardashevskiy } 1283c4177479SAlexey Kardashevskiy 128453018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 128553018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 128653018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 128753018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 128853018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 128953018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 129053018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 129153018216SPaolo Bonzini 129253018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 129353018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 129453018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 129553018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 129653018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 129753018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 129853018216SPaolo Bonzini break; 129953018216SPaolo Bonzini } 130053018216SPaolo Bonzini spapr->htab_shift++; 130153018216SPaolo Bonzini } 130253018216SPaolo Bonzini 13037b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 13047b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 13057b565160SDavid Gibson XICS_IRQS); 13067b565160SDavid Gibson spapr->next_irq = XICS_IRQ_BASE; 13077b565160SDavid Gibson 130853018216SPaolo Bonzini /* init CPUs */ 130953018216SPaolo Bonzini if (cpu_model == NULL) { 131053018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 131153018216SPaolo Bonzini } 131253018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 131353018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 131453018216SPaolo Bonzini if (cpu == NULL) { 131553018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 131653018216SPaolo Bonzini exit(1); 131753018216SPaolo Bonzini } 131853018216SPaolo Bonzini env = &cpu->env; 131953018216SPaolo Bonzini 132053018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 132153018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 132253018216SPaolo Bonzini 13232cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 13242cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 13252cf3eb6dSFabien Chouteau */ 13262cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 132753018216SPaolo Bonzini 132853018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 132953018216SPaolo Bonzini if (kvm_enabled()) { 133053018216SPaolo Bonzini kvmppc_set_papr(cpu); 133153018216SPaolo Bonzini } 133253018216SPaolo Bonzini 13336d9412eaSAlexey Kardashevskiy if (cpu->max_compat) { 13346d9412eaSAlexey Kardashevskiy if (ppc_set_compat(cpu, cpu->max_compat) < 0) { 13356d9412eaSAlexey Kardashevskiy exit(1); 13366d9412eaSAlexey Kardashevskiy } 13376d9412eaSAlexey Kardashevskiy } 13386d9412eaSAlexey Kardashevskiy 133924408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 134024408a7dSAlexey Kardashevskiy 134153018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 134253018216SPaolo Bonzini } 134353018216SPaolo Bonzini 134453018216SPaolo Bonzini /* allocate RAM */ 134553018216SPaolo Bonzini spapr->ram_limit = ram_size; 134653018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 134753018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 134853018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 134953018216SPaolo Bonzini 13502c9b15caSPaolo Bonzini memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size); 135153018216SPaolo Bonzini vmstate_register_ram_global(ram); 135253018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 135353018216SPaolo Bonzini } 135453018216SPaolo Bonzini 135553018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 135653018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 135753018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 135853018216SPaolo Bonzini if (spapr->rtas_size < 0) { 135953018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 136053018216SPaolo Bonzini exit(1); 136153018216SPaolo Bonzini } 136253018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 136353018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 136453018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 136553018216SPaolo Bonzini exit(1); 136653018216SPaolo Bonzini } 136753018216SPaolo Bonzini g_free(filename); 136853018216SPaolo Bonzini 136953018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 137053018216SPaolo Bonzini spapr_events_init(spapr); 137153018216SPaolo Bonzini 137253018216SPaolo Bonzini /* Set up VIO bus */ 137353018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 137453018216SPaolo Bonzini 137553018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 137653018216SPaolo Bonzini if (serial_hds[i]) { 137753018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 137853018216SPaolo Bonzini } 137953018216SPaolo Bonzini } 138053018216SPaolo Bonzini 138153018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 138253018216SPaolo Bonzini spapr_create_nvram(spapr); 138353018216SPaolo Bonzini 138453018216SPaolo Bonzini /* Set up PCI */ 1385f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 138653018216SPaolo Bonzini spapr_pci_rtas_init(); 138753018216SPaolo Bonzini 138889dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 138953018216SPaolo Bonzini 139053018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 139153018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 139253018216SPaolo Bonzini 139353018216SPaolo Bonzini if (!nd->model) { 139453018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 139553018216SPaolo Bonzini } 139653018216SPaolo Bonzini 139753018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 139853018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 139953018216SPaolo Bonzini } else { 140029b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 140153018216SPaolo Bonzini } 140253018216SPaolo Bonzini } 140353018216SPaolo Bonzini 140453018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 140553018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 140653018216SPaolo Bonzini } 140753018216SPaolo Bonzini 140853018216SPaolo Bonzini /* Graphics */ 140953018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 141053018216SPaolo Bonzini spapr->has_graphics = true; 141153018216SPaolo Bonzini } 141253018216SPaolo Bonzini 141353018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 141453018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 141553018216SPaolo Bonzini if (spapr->has_graphics) { 141653018216SPaolo Bonzini usbdevice_create("keyboard"); 141753018216SPaolo Bonzini usbdevice_create("mouse"); 141853018216SPaolo Bonzini } 141953018216SPaolo Bonzini } 142053018216SPaolo Bonzini 142153018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 142253018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 142353018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 142453018216SPaolo Bonzini exit(1); 142553018216SPaolo Bonzini } 142653018216SPaolo Bonzini 142753018216SPaolo Bonzini if (kernel_filename) { 142853018216SPaolo Bonzini uint64_t lowaddr = 0; 142953018216SPaolo Bonzini 143053018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 143153018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 14323b66da82SAlexey Kardashevskiy if (kernel_size == ELF_LOAD_WRONG_ENDIAN) { 143316457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 143416457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 143516457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 143616457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 143716457e7fSBenjamin Herrenschmidt } 143816457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 14393b66da82SAlexey Kardashevskiy fprintf(stderr, "qemu: error loading %s: %s\n", 14403b66da82SAlexey Kardashevskiy kernel_filename, load_elf_strerror(kernel_size)); 144153018216SPaolo Bonzini exit(1); 144253018216SPaolo Bonzini } 144353018216SPaolo Bonzini 144453018216SPaolo Bonzini /* load initrd */ 144553018216SPaolo Bonzini if (initrd_filename) { 144653018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 144753018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 144853018216SPaolo Bonzini */ 144953018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 145053018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 145153018216SPaolo Bonzini load_limit - initrd_base); 145253018216SPaolo Bonzini if (initrd_size < 0) { 145353018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 145453018216SPaolo Bonzini initrd_filename); 145553018216SPaolo Bonzini exit(1); 145653018216SPaolo Bonzini } 145753018216SPaolo Bonzini } else { 145853018216SPaolo Bonzini initrd_base = 0; 145953018216SPaolo Bonzini initrd_size = 0; 146053018216SPaolo Bonzini } 146153018216SPaolo Bonzini } 146253018216SPaolo Bonzini 14638e7ea787SAndreas Färber if (bios_name == NULL) { 14648e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 14658e7ea787SAndreas Färber } 14668e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 146753018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 146853018216SPaolo Bonzini if (fw_size < 0) { 146953018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 147053018216SPaolo Bonzini exit(1); 147153018216SPaolo Bonzini } 147253018216SPaolo Bonzini g_free(filename); 147353018216SPaolo Bonzini 147453018216SPaolo Bonzini spapr->entry_point = 0x100; 147553018216SPaolo Bonzini 14764be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 14774be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 14784be21d56SDavid Gibson &savevm_htab_handlers, spapr); 14794be21d56SDavid Gibson 148053018216SPaolo Bonzini /* Prepare the device tree */ 14813bbf37f2SAndreas Färber spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size, 148216457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 148353018216SPaolo Bonzini boot_device, kernel_cmdline, 148453018216SPaolo Bonzini spapr->epow_irq); 148553018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 148653018216SPaolo Bonzini } 148753018216SPaolo Bonzini 1488135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 1489135a129aSAneesh Kumar K.V { 1490135a129aSAneesh Kumar K.V if (!vm_type) { 1491135a129aSAneesh Kumar K.V return 0; 1492135a129aSAneesh Kumar K.V } 1493135a129aSAneesh Kumar K.V 1494135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 1495135a129aSAneesh Kumar K.V return 1; 1496135a129aSAneesh Kumar K.V } 1497135a129aSAneesh Kumar K.V 1498135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 1499135a129aSAneesh Kumar K.V return 2; 1500135a129aSAneesh Kumar K.V } 1501135a129aSAneesh Kumar K.V 1502135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 1503135a129aSAneesh Kumar K.V exit(1); 1504135a129aSAneesh Kumar K.V } 1505135a129aSAneesh Kumar K.V 150671461b0fSAlexey Kardashevskiy /* 150771461b0fSAlexey Kardashevskiy * Implementation of an interface to adjust firmware patch 150871461b0fSAlexey Kardashevskiy * for the bootindex property handling. 150971461b0fSAlexey Kardashevskiy */ 151071461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 151171461b0fSAlexey Kardashevskiy DeviceState *dev) 151271461b0fSAlexey Kardashevskiy { 151371461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 151471461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 151571461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 151671461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 151771461b0fSAlexey Kardashevskiy 151871461b0fSAlexey Kardashevskiy if (d) { 151971461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 152071461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 152171461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 152271461b0fSAlexey Kardashevskiy 152371461b0fSAlexey Kardashevskiy if (spapr) { 152471461b0fSAlexey Kardashevskiy /* 152571461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 152671461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 152771461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 152871461b0fSAlexey Kardashevskiy */ 152971461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 153071461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 153171461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 153271461b0fSAlexey Kardashevskiy } else if (virtio) { 153371461b0fSAlexey Kardashevskiy /* 153471461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 153571461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 153671461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 153771461b0fSAlexey Kardashevskiy * the actual binding is: 153871461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 153971461b0fSAlexey Kardashevskiy */ 154071461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 154171461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 154271461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 154371461b0fSAlexey Kardashevskiy } else if (usb) { 154471461b0fSAlexey Kardashevskiy /* 154571461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 154671461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 154771461b0fSAlexey Kardashevskiy */ 154871461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 154971461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 155071461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 155171461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 155271461b0fSAlexey Kardashevskiy } 155371461b0fSAlexey Kardashevskiy } 155471461b0fSAlexey Kardashevskiy 155571461b0fSAlexey Kardashevskiy if (phb) { 155671461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 155771461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 155871461b0fSAlexey Kardashevskiy } 155971461b0fSAlexey Kardashevskiy 156071461b0fSAlexey Kardashevskiy return NULL; 156171461b0fSAlexey Kardashevskiy } 156271461b0fSAlexey Kardashevskiy 156329ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 156453018216SPaolo Bonzini { 156529ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 156671461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 156729ee3247SAlexey Kardashevskiy 1568958db90cSMarcel Apfelbaum mc->name = "pseries"; 1569958db90cSMarcel Apfelbaum mc->desc = "pSeries Logical Partition (PAPR compliant)"; 1570958db90cSMarcel Apfelbaum mc->is_default = 1; 1571958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 1572958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 1573958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 1574958db90cSMarcel Apfelbaum mc->max_cpus = MAX_CPUS; 1575958db90cSMarcel Apfelbaum mc->no_parallel = 1; 1576958db90cSMarcel Apfelbaum mc->default_boot_order = NULL; 1577958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 157800b4fbe2SMarcel Apfelbaum 157971461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 158053018216SPaolo Bonzini } 158153018216SPaolo Bonzini 158229ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 158329ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 158429ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 158529ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 158671461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 158771461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 158871461b0fSAlexey Kardashevskiy { } 158971461b0fSAlexey Kardashevskiy }, 159029ee3247SAlexey Kardashevskiy }; 159129ee3247SAlexey Kardashevskiy 159229ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 159329ee3247SAlexey Kardashevskiy { 159429ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 159529ee3247SAlexey Kardashevskiy } 159629ee3247SAlexey Kardashevskiy 159729ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 1598