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" 5834316482SAlexey Kardashevskiy #include "hw/nmi.h" 5953018216SPaolo Bonzini 6053018216SPaolo Bonzini #include <libfdt.h> 6153018216SPaolo Bonzini 6253018216SPaolo Bonzini /* SLOF memory layout: 6353018216SPaolo Bonzini * 6453018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 6553018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 6653018216SPaolo Bonzini * 6753018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6853018216SPaolo Bonzini * and more 6953018216SPaolo Bonzini * 7053018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 7153018216SPaolo Bonzini */ 723bf6eeddSAlexey Kardashevskiy #define FDT_MAX_SIZE 0x40000 7353018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 7453018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 7553018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 7653018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7753018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7853018216SPaolo Bonzini 7953018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 8053018216SPaolo Bonzini 8153018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 8253018216SPaolo Bonzini 8353018216SPaolo Bonzini #define MAX_CPUS 256 8453018216SPaolo Bonzini 8553018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8653018216SPaolo Bonzini 8753018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8853018216SPaolo Bonzini 896ca1502eSAlexey Kardashevskiy typedef struct sPAPRMachineState sPAPRMachineState; 90748abce9SEduardo Habkost 9129ee3247SAlexey Kardashevskiy #define TYPE_SPAPR_MACHINE "spapr-machine" 92748abce9SEduardo Habkost #define SPAPR_MACHINE(obj) \ 936ca1502eSAlexey Kardashevskiy OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE) 94748abce9SEduardo Habkost 95748abce9SEduardo Habkost /** 966ca1502eSAlexey Kardashevskiy * sPAPRMachineState: 97748abce9SEduardo Habkost */ 986ca1502eSAlexey Kardashevskiy struct sPAPRMachineState { 99748abce9SEduardo Habkost /*< private >*/ 100748abce9SEduardo Habkost MachineState parent_obj; 10123825581SEduardo Habkost 10223825581SEduardo Habkost /*< public >*/ 10323825581SEduardo Habkost char *kvm_type; 104748abce9SEduardo Habkost }; 105748abce9SEduardo Habkost 10653018216SPaolo Bonzini sPAPREnvironment *spapr; 10753018216SPaolo Bonzini 108c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 109c04d6cfaSAnthony Liguori int nr_irqs) 110c04d6cfaSAnthony Liguori { 111c04d6cfaSAnthony Liguori DeviceState *dev; 112c04d6cfaSAnthony Liguori 113c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 114c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 115c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 116c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 117c04d6cfaSAnthony Liguori return NULL; 118c04d6cfaSAnthony Liguori } 119c04d6cfaSAnthony Liguori 1205a3d7b23SAlexey Kardashevskiy return XICS_COMMON(dev); 121c04d6cfaSAnthony Liguori } 122c04d6cfaSAnthony Liguori 123c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 124c04d6cfaSAnthony Liguori { 125c04d6cfaSAnthony Liguori XICSState *icp = NULL; 126c04d6cfaSAnthony Liguori 12711ad93f6SDavid Gibson if (kvm_enabled()) { 12811ad93f6SDavid Gibson QemuOpts *machine_opts = qemu_get_machine_opts(); 12911ad93f6SDavid Gibson bool irqchip_allowed = qemu_opt_get_bool(machine_opts, 13011ad93f6SDavid Gibson "kernel_irqchip", true); 13111ad93f6SDavid Gibson bool irqchip_required = qemu_opt_get_bool(machine_opts, 13211ad93f6SDavid Gibson "kernel_irqchip", false); 13311ad93f6SDavid Gibson if (irqchip_allowed) { 13411ad93f6SDavid Gibson icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs); 13511ad93f6SDavid Gibson } 13611ad93f6SDavid Gibson 13711ad93f6SDavid Gibson if (irqchip_required && !icp) { 13811ad93f6SDavid Gibson perror("Failed to create in-kernel XICS\n"); 13911ad93f6SDavid Gibson abort(); 14011ad93f6SDavid Gibson } 14111ad93f6SDavid Gibson } 14211ad93f6SDavid Gibson 14311ad93f6SDavid Gibson if (!icp) { 144c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 14511ad93f6SDavid Gibson } 14611ad93f6SDavid Gibson 147c04d6cfaSAnthony Liguori if (!icp) { 148c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 149c04d6cfaSAnthony Liguori abort(); 150c04d6cfaSAnthony Liguori } 151c04d6cfaSAnthony Liguori 152c04d6cfaSAnthony Liguori return icp; 153c04d6cfaSAnthony Liguori } 154c04d6cfaSAnthony Liguori 155833d4668SAlexey Kardashevskiy static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu, 156833d4668SAlexey Kardashevskiy int smt_threads) 157833d4668SAlexey Kardashevskiy { 158833d4668SAlexey Kardashevskiy int i, ret = 0; 159833d4668SAlexey Kardashevskiy uint32_t servers_prop[smt_threads]; 160833d4668SAlexey Kardashevskiy uint32_t gservers_prop[smt_threads * 2]; 161833d4668SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 162833d4668SAlexey Kardashevskiy 1636d9412eaSAlexey Kardashevskiy if (cpu->cpu_version) { 1644bce526eSLaurent Dufour ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->cpu_version); 1656d9412eaSAlexey Kardashevskiy if (ret < 0) { 1666d9412eaSAlexey Kardashevskiy return ret; 1676d9412eaSAlexey Kardashevskiy } 1686d9412eaSAlexey Kardashevskiy } 1696d9412eaSAlexey Kardashevskiy 170833d4668SAlexey Kardashevskiy /* Build interrupt servers and gservers properties */ 171833d4668SAlexey Kardashevskiy for (i = 0; i < smt_threads; i++) { 172833d4668SAlexey Kardashevskiy servers_prop[i] = cpu_to_be32(index + i); 173833d4668SAlexey Kardashevskiy /* Hack, direct the group queues back to cpu 0 */ 174833d4668SAlexey Kardashevskiy gservers_prop[i*2] = cpu_to_be32(index + i); 175833d4668SAlexey Kardashevskiy gservers_prop[i*2 + 1] = 0; 176833d4668SAlexey Kardashevskiy } 177833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", 178833d4668SAlexey Kardashevskiy servers_prop, sizeof(servers_prop)); 179833d4668SAlexey Kardashevskiy if (ret < 0) { 180833d4668SAlexey Kardashevskiy return ret; 181833d4668SAlexey Kardashevskiy } 182833d4668SAlexey Kardashevskiy ret = fdt_setprop(fdt, offset, "ibm,ppc-interrupt-gserver#s", 183833d4668SAlexey Kardashevskiy gservers_prop, sizeof(gservers_prop)); 184833d4668SAlexey Kardashevskiy 185833d4668SAlexey Kardashevskiy return ret; 186833d4668SAlexey Kardashevskiy } 187833d4668SAlexey Kardashevskiy 18853018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 18953018216SPaolo Bonzini { 19082677ed2SAlexey Kardashevskiy int ret = 0, offset, cpus_offset; 19182677ed2SAlexey Kardashevskiy CPUState *cs; 19253018216SPaolo Bonzini char cpu_model[32]; 19353018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 19453018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 19553018216SPaolo Bonzini 19682677ed2SAlexey Kardashevskiy CPU_FOREACH(cs) { 19782677ed2SAlexey Kardashevskiy PowerPCCPU *cpu = POWERPC_CPU(cs); 19882677ed2SAlexey Kardashevskiy DeviceClass *dc = DEVICE_GET_CLASS(cs); 19982677ed2SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 20053018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 20153018216SPaolo Bonzini cpu_to_be32(0x0), 20253018216SPaolo Bonzini cpu_to_be32(0x0), 20353018216SPaolo Bonzini cpu_to_be32(0x0), 20482677ed2SAlexey Kardashevskiy cpu_to_be32(cs->numa_node), 2050f20ba62SAlexey Kardashevskiy cpu_to_be32(index)}; 20653018216SPaolo Bonzini 2070f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 20853018216SPaolo Bonzini continue; 20953018216SPaolo Bonzini } 21053018216SPaolo Bonzini 21182677ed2SAlexey Kardashevskiy snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index); 21253018216SPaolo Bonzini 21382677ed2SAlexey Kardashevskiy cpus_offset = fdt_path_offset(fdt, "/cpus"); 21482677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 21582677ed2SAlexey Kardashevskiy cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), 21682677ed2SAlexey Kardashevskiy "cpus"); 21782677ed2SAlexey Kardashevskiy if (cpus_offset < 0) { 21882677ed2SAlexey Kardashevskiy return cpus_offset; 21982677ed2SAlexey Kardashevskiy } 22082677ed2SAlexey Kardashevskiy } 22182677ed2SAlexey Kardashevskiy offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model); 22282677ed2SAlexey Kardashevskiy if (offset < 0) { 22382677ed2SAlexey Kardashevskiy offset = fdt_add_subnode(fdt, cpus_offset, cpu_model); 22453018216SPaolo Bonzini if (offset < 0) { 22553018216SPaolo Bonzini return offset; 22653018216SPaolo Bonzini } 22782677ed2SAlexey Kardashevskiy } 22853018216SPaolo Bonzini 22953018216SPaolo Bonzini if (nb_numa_nodes > 1) { 23053018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 23153018216SPaolo Bonzini sizeof(associativity)); 23253018216SPaolo Bonzini if (ret < 0) { 23353018216SPaolo Bonzini return ret; 23453018216SPaolo Bonzini } 23553018216SPaolo Bonzini } 23653018216SPaolo Bonzini 23753018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 23853018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 23953018216SPaolo Bonzini if (ret < 0) { 24053018216SPaolo Bonzini return ret; 24153018216SPaolo Bonzini } 242833d4668SAlexey Kardashevskiy 24382677ed2SAlexey Kardashevskiy ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu, 2442a48d993SAlexey Kardashevskiy ppc_get_compat_smt_threads(cpu)); 245833d4668SAlexey Kardashevskiy if (ret < 0) { 246833d4668SAlexey Kardashevskiy return ret; 247833d4668SAlexey Kardashevskiy } 24853018216SPaolo Bonzini } 24953018216SPaolo Bonzini return ret; 25053018216SPaolo Bonzini } 25153018216SPaolo Bonzini 25253018216SPaolo Bonzini 25353018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 25453018216SPaolo Bonzini size_t maxsize) 25553018216SPaolo Bonzini { 25653018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 25753018216SPaolo Bonzini int i, j, count; 25853018216SPaolo Bonzini uint32_t *p = prop; 25953018216SPaolo Bonzini 26053018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 26153018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 26253018216SPaolo Bonzini 26353018216SPaolo Bonzini if (!sps->page_shift) { 26453018216SPaolo Bonzini break; 26553018216SPaolo Bonzini } 26653018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 26753018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 26853018216SPaolo Bonzini break; 26953018216SPaolo Bonzini } 27053018216SPaolo Bonzini } 27153018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 27253018216SPaolo Bonzini break; 27353018216SPaolo Bonzini } 27453018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 27553018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 27653018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 27753018216SPaolo Bonzini for (j = 0; j < count; j++) { 27853018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 27953018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 28053018216SPaolo Bonzini } 28153018216SPaolo Bonzini } 28253018216SPaolo Bonzini 28353018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 28453018216SPaolo Bonzini } 28553018216SPaolo Bonzini 28653018216SPaolo Bonzini #define _FDT(exp) \ 28753018216SPaolo Bonzini do { \ 28853018216SPaolo Bonzini int ret = (exp); \ 28953018216SPaolo Bonzini if (ret < 0) { \ 29053018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 29153018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 29253018216SPaolo Bonzini exit(1); \ 29353018216SPaolo Bonzini } \ 29453018216SPaolo Bonzini } while (0) 29553018216SPaolo Bonzini 296a1d59c0fSAlexey Kardashevskiy static void add_str(GString *s, const gchar *s1) 297a1d59c0fSAlexey Kardashevskiy { 298a1d59c0fSAlexey Kardashevskiy g_string_append_len(s, s1, strlen(s1) + 1); 299a1d59c0fSAlexey Kardashevskiy } 30053018216SPaolo Bonzini 3013bbf37f2SAndreas Färber static void *spapr_create_fdt_skel(hwaddr initrd_base, 30253018216SPaolo Bonzini hwaddr initrd_size, 30353018216SPaolo Bonzini hwaddr kernel_size, 30416457e7fSBenjamin Herrenschmidt bool little_endian, 30553018216SPaolo Bonzini const char *boot_device, 30653018216SPaolo Bonzini const char *kernel_cmdline, 30753018216SPaolo Bonzini uint32_t epow_irq) 30853018216SPaolo Bonzini { 30953018216SPaolo Bonzini void *fdt; 310182735efSAndreas Färber CPUState *cs; 31153018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 31253018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 313a1d59c0fSAlexey Kardashevskiy GString *hypertas = g_string_sized_new(256); 314a1d59c0fSAlexey Kardashevskiy GString *qemu_hypertas = g_string_sized_new(256); 31553018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 31653018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 317833d4668SAlexey Kardashevskiy int smt = kvmppc_smt_threads(); 31853018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 31910582ff8SAlexey Kardashevskiy QemuOpts *opts = qemu_opts_find(qemu_find_opts("smp-opts"), NULL); 32010582ff8SAlexey Kardashevskiy unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0; 32110582ff8SAlexey Kardashevskiy uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1; 322ef951443SNikunj A Dadhania char *buf; 32353018216SPaolo Bonzini 324a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-pft"); 325a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-term"); 326a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-dabr"); 327a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-interrupt"); 328a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-tce"); 329a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-vio"); 330a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-splpar"); 331a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-bulk"); 332a1d59c0fSAlexey Kardashevskiy add_str(hypertas, "hcall-set-mode"); 333a1d59c0fSAlexey Kardashevskiy add_str(qemu_hypertas, "hcall-memop1"); 334a1d59c0fSAlexey Kardashevskiy 33553018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 33653018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 33753018216SPaolo Bonzini 33853018216SPaolo Bonzini if (kernel_size) { 33953018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 34053018216SPaolo Bonzini } 34153018216SPaolo Bonzini if (initrd_size) { 34253018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 34353018216SPaolo Bonzini } 34453018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 34553018216SPaolo Bonzini 34653018216SPaolo Bonzini /* Root node */ 34753018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 34853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 34953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 350fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 35153018216SPaolo Bonzini 352ef951443SNikunj A Dadhania if (kvm_enabled()) { 353ef951443SNikunj A Dadhania _FDT((fdt_property_string(fdt, "hypervisor", "kvm"))); 354ef951443SNikunj A Dadhania } 355ef951443SNikunj A Dadhania 356ef951443SNikunj A Dadhania /* 357ef951443SNikunj A Dadhania * Add info to guest to indentify which host is it being run on 358ef951443SNikunj A Dadhania * and what is the uuid of the guest 359ef951443SNikunj A Dadhania */ 360ef951443SNikunj A Dadhania if (kvmppc_get_host_model(&buf)) { 361ef951443SNikunj A Dadhania _FDT((fdt_property_string(fdt, "host-model", buf))); 362ef951443SNikunj A Dadhania g_free(buf); 363ef951443SNikunj A Dadhania } 364ef951443SNikunj A Dadhania if (kvmppc_get_host_serial(&buf)) { 365ef951443SNikunj A Dadhania _FDT((fdt_property_string(fdt, "host-serial", buf))); 366ef951443SNikunj A Dadhania g_free(buf); 367ef951443SNikunj A Dadhania } 368ef951443SNikunj A Dadhania 369ef951443SNikunj A Dadhania buf = g_strdup_printf(UUID_FMT, qemu_uuid[0], qemu_uuid[1], 370ef951443SNikunj A Dadhania qemu_uuid[2], qemu_uuid[3], qemu_uuid[4], 371ef951443SNikunj A Dadhania qemu_uuid[5], qemu_uuid[6], qemu_uuid[7], 372ef951443SNikunj A Dadhania qemu_uuid[8], qemu_uuid[9], qemu_uuid[10], 373ef951443SNikunj A Dadhania qemu_uuid[11], qemu_uuid[12], qemu_uuid[13], 374ef951443SNikunj A Dadhania qemu_uuid[14], qemu_uuid[15]); 375ef951443SNikunj A Dadhania 376ef951443SNikunj A Dadhania _FDT((fdt_property_string(fdt, "vm,uuid", buf))); 377ef951443SNikunj A Dadhania g_free(buf); 378ef951443SNikunj A Dadhania 37953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 38053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 38153018216SPaolo Bonzini 38253018216SPaolo Bonzini /* /chosen */ 38353018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 38453018216SPaolo Bonzini 38553018216SPaolo Bonzini /* Set Form1_affinity */ 38653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 38753018216SPaolo Bonzini 38853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 38953018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 39053018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 39153018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 39253018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 39353018216SPaolo Bonzini if (kernel_size) { 39453018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 39553018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 39653018216SPaolo Bonzini 39753018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 39816457e7fSBenjamin Herrenschmidt if (little_endian) { 39916457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 40016457e7fSBenjamin Herrenschmidt } 40153018216SPaolo Bonzini } 40253018216SPaolo Bonzini if (boot_device) { 40353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 40453018216SPaolo Bonzini } 405cc84c0f3SAvik Sil if (boot_menu) { 406cc84c0f3SAvik Sil _FDT((fdt_property_cell(fdt, "qemu,boot-menu", boot_menu))); 407cc84c0f3SAvik Sil } 40853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 40953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 41053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 41153018216SPaolo Bonzini 41253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 41353018216SPaolo Bonzini 41453018216SPaolo Bonzini /* cpus */ 41553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 41653018216SPaolo Bonzini 41753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 41853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 41953018216SPaolo Bonzini 420bdc44640SAndreas Färber CPU_FOREACH(cs) { 421182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 422182735efSAndreas Färber CPUPPCState *env = &cpu->env; 4233bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cs); 424182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 4250f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 42653018216SPaolo Bonzini char *nodename; 42753018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 42853018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 42953018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 43053018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 43153018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 43253018216SPaolo Bonzini size_t page_sizes_prop_size; 43353018216SPaolo Bonzini 43453018216SPaolo Bonzini if ((index % smt) != 0) { 43553018216SPaolo Bonzini continue; 43653018216SPaolo Bonzini } 43753018216SPaolo Bonzini 4383bbf37f2SAndreas Färber nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 43953018216SPaolo Bonzini 44053018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 44153018216SPaolo Bonzini 44253018216SPaolo Bonzini g_free(nodename); 44353018216SPaolo Bonzini 44453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 44553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 44653018216SPaolo Bonzini 44753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 4480cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 44953018216SPaolo Bonzini env->dcache_line_size))); 4500cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 4510cbad81fSDavid Gibson env->dcache_line_size))); 4520cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 45353018216SPaolo Bonzini env->icache_line_size))); 4540cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 4550cbad81fSDavid Gibson env->icache_line_size))); 4560cbad81fSDavid Gibson 4570cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 4580cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 4590cbad81fSDavid Gibson } else { 4600cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 4610cbad81fSDavid Gibson } 4620cbad81fSDavid Gibson if (pcc->l1_icache_size) { 4630cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 4640cbad81fSDavid Gibson } else { 4650cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 4660cbad81fSDavid Gibson } 4670cbad81fSDavid Gibson 46853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 46953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 47053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 47153018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 47253018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 47353018216SPaolo Bonzini 474dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 475dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 476dcb861cbSAlexey Kardashevskiy } 477dcb861cbSAlexey Kardashevskiy 47853018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 47953018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 48053018216SPaolo Bonzini segs, sizeof(segs)))); 48153018216SPaolo Bonzini } 48253018216SPaolo Bonzini 48353018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 48453018216SPaolo Bonzini * 0 / no property == no vector extensions 48553018216SPaolo Bonzini * 1 == VMX / Altivec available 48653018216SPaolo Bonzini * 2 == VSX available */ 48753018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 48853018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 48953018216SPaolo Bonzini 49053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 49153018216SPaolo Bonzini } 49253018216SPaolo Bonzini 49353018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 49453018216SPaolo Bonzini * 0 / no property == no DFP 49553018216SPaolo Bonzini * 1 == DFP available */ 49653018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 49753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 49853018216SPaolo Bonzini } 49953018216SPaolo Bonzini 50053018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 50153018216SPaolo Bonzini sizeof(page_sizes_prop)); 50253018216SPaolo Bonzini if (page_sizes_prop_size) { 50353018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 50453018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 50553018216SPaolo Bonzini } 50653018216SPaolo Bonzini 50710582ff8SAlexey Kardashevskiy _FDT((fdt_property_cell(fdt, "ibm,chip-id", 50810582ff8SAlexey Kardashevskiy cs->cpu_index / cpus_per_socket))); 50910582ff8SAlexey Kardashevskiy 51053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 51153018216SPaolo Bonzini } 51253018216SPaolo Bonzini 51353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 51453018216SPaolo Bonzini 51553018216SPaolo Bonzini /* RTAS */ 51653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 51753018216SPaolo Bonzini 518da95324eSAlexey Kardashevskiy if (!kvm_enabled() || kvmppc_spapr_use_multitce()) { 519da95324eSAlexey Kardashevskiy add_str(hypertas, "hcall-multi-tce"); 520da95324eSAlexey Kardashevskiy } 521a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas->str, 522a1d59c0fSAlexey Kardashevskiy hypertas->len))); 523a1d59c0fSAlexey Kardashevskiy g_string_free(hypertas, TRUE); 524a1d59c0fSAlexey Kardashevskiy _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas->str, 525a1d59c0fSAlexey Kardashevskiy qemu_hypertas->len))); 526a1d59c0fSAlexey Kardashevskiy g_string_free(qemu_hypertas, TRUE); 52753018216SPaolo Bonzini 52853018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 52953018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 53053018216SPaolo Bonzini 53153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 53253018216SPaolo Bonzini 5332e14072fSNikunj A Dadhania /* 5342e14072fSNikunj A Dadhania * According to PAPR, rtas ibm,os-term, does not gaurantee a return 5352e14072fSNikunj A Dadhania * back to the guest cpu. 5362e14072fSNikunj A Dadhania * 5372e14072fSNikunj A Dadhania * While an additional ibm,extended-os-term property indicates that 5382e14072fSNikunj A Dadhania * rtas call return will always occur. Set this property. 5392e14072fSNikunj A Dadhania */ 5402e14072fSNikunj A Dadhania _FDT((fdt_property(fdt, "ibm,extended-os-term", NULL, 0))); 5412e14072fSNikunj A Dadhania 54253018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 54353018216SPaolo Bonzini 54453018216SPaolo Bonzini /* interrupt controller */ 54553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 54653018216SPaolo Bonzini 54753018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 54853018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 54953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 55053018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 55153018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 55253018216SPaolo Bonzini interrupt_server_ranges_prop, 55353018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 55453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 55553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 55653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 55753018216SPaolo Bonzini 55853018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 55953018216SPaolo Bonzini 56053018216SPaolo Bonzini /* vdevice */ 56153018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 56253018216SPaolo Bonzini 56353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 56453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 56553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 56653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 56753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 56853018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 56953018216SPaolo Bonzini 57053018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 57153018216SPaolo Bonzini 57253018216SPaolo Bonzini /* event-sources */ 57353018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 57453018216SPaolo Bonzini 575f7d69146SAlexander Graf /* /hypervisor node */ 576f7d69146SAlexander Graf if (kvm_enabled()) { 577f7d69146SAlexander Graf uint8_t hypercall[16]; 578f7d69146SAlexander Graf 579f7d69146SAlexander Graf /* indicate KVM hypercall interface */ 580f7d69146SAlexander Graf _FDT((fdt_begin_node(fdt, "hypervisor"))); 581f7d69146SAlexander Graf _FDT((fdt_property_string(fdt, "compatible", "linux,kvm"))); 582f7d69146SAlexander Graf if (kvmppc_has_cap_fixup_hcalls()) { 583f7d69146SAlexander Graf /* 584f7d69146SAlexander Graf * Older KVM versions with older guest kernels were broken with the 585f7d69146SAlexander Graf * magic page, don't allow the guest to map it. 586f7d69146SAlexander Graf */ 587f7d69146SAlexander Graf kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, 588f7d69146SAlexander Graf sizeof(hypercall)); 589f7d69146SAlexander Graf _FDT((fdt_property(fdt, "hcall-instructions", hypercall, 590f7d69146SAlexander Graf sizeof(hypercall)))); 591f7d69146SAlexander Graf } 592f7d69146SAlexander Graf _FDT((fdt_end_node(fdt))); 593f7d69146SAlexander Graf } 594f7d69146SAlexander Graf 59553018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 59653018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 59753018216SPaolo Bonzini 59853018216SPaolo Bonzini return fdt; 59953018216SPaolo Bonzini } 60053018216SPaolo Bonzini 6012a6593cbSAlexey Kardashevskiy int spapr_h_cas_compose_response(target_ulong addr, target_ulong size) 6022a6593cbSAlexey Kardashevskiy { 6032a6593cbSAlexey Kardashevskiy void *fdt, *fdt_skel; 6042a6593cbSAlexey Kardashevskiy sPAPRDeviceTreeUpdateHeader hdr = { .version_id = 1 }; 6052a6593cbSAlexey Kardashevskiy 6062a6593cbSAlexey Kardashevskiy size -= sizeof(hdr); 6072a6593cbSAlexey Kardashevskiy 6082a6593cbSAlexey Kardashevskiy /* Create sceleton */ 6092a6593cbSAlexey Kardashevskiy fdt_skel = g_malloc0(size); 6102a6593cbSAlexey Kardashevskiy _FDT((fdt_create(fdt_skel, size))); 6112a6593cbSAlexey Kardashevskiy _FDT((fdt_begin_node(fdt_skel, ""))); 6122a6593cbSAlexey Kardashevskiy _FDT((fdt_end_node(fdt_skel))); 6132a6593cbSAlexey Kardashevskiy _FDT((fdt_finish(fdt_skel))); 6142a6593cbSAlexey Kardashevskiy fdt = g_malloc0(size); 6152a6593cbSAlexey Kardashevskiy _FDT((fdt_open_into(fdt_skel, fdt, size))); 6162a6593cbSAlexey Kardashevskiy g_free(fdt_skel); 6172a6593cbSAlexey Kardashevskiy 6183794d548SAlexey Kardashevskiy /* Fix skeleton up */ 6193794d548SAlexey Kardashevskiy _FDT((spapr_fixup_cpu_dt(fdt, spapr))); 6202a6593cbSAlexey Kardashevskiy 6212a6593cbSAlexey Kardashevskiy /* Pack resulting tree */ 6222a6593cbSAlexey Kardashevskiy _FDT((fdt_pack(fdt))); 6232a6593cbSAlexey Kardashevskiy 6242a6593cbSAlexey Kardashevskiy if (fdt_totalsize(fdt) + sizeof(hdr) > size) { 6252a6593cbSAlexey Kardashevskiy trace_spapr_cas_failed(size); 6262a6593cbSAlexey Kardashevskiy return -1; 6272a6593cbSAlexey Kardashevskiy } 6282a6593cbSAlexey Kardashevskiy 6292a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr, &hdr, sizeof(hdr)); 6302a6593cbSAlexey Kardashevskiy cpu_physical_memory_write(addr + sizeof(hdr), fdt, fdt_totalsize(fdt)); 6312a6593cbSAlexey Kardashevskiy trace_spapr_cas_continue(fdt_totalsize(fdt) + sizeof(hdr)); 6322a6593cbSAlexey Kardashevskiy g_free(fdt); 6332a6593cbSAlexey Kardashevskiy 6342a6593cbSAlexey Kardashevskiy return 0; 6352a6593cbSAlexey Kardashevskiy } 6362a6593cbSAlexey Kardashevskiy 63753018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 63853018216SPaolo Bonzini { 63953018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 64053018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 64153018216SPaolo Bonzini cpu_to_be32(0x0)}; 64253018216SPaolo Bonzini char mem_name[32]; 6435fe269b1SPaul Mackerras hwaddr node0_size, mem_start, node_size; 64453018216SPaolo Bonzini uint64_t mem_reg_property[2]; 64553018216SPaolo Bonzini int i, off; 64653018216SPaolo Bonzini 64753018216SPaolo Bonzini /* memory node(s) */ 6488c85901eSWanlong Gao if (nb_numa_nodes > 1 && numa_info[0].node_mem < ram_size) { 6498c85901eSWanlong Gao node0_size = numa_info[0].node_mem; 6505fe269b1SPaul Mackerras } else { 6515fe269b1SPaul Mackerras node0_size = ram_size; 6525fe269b1SPaul Mackerras } 65353018216SPaolo Bonzini 65453018216SPaolo Bonzini /* RMA */ 65553018216SPaolo Bonzini mem_reg_property[0] = 0; 65653018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 65753018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 65853018216SPaolo Bonzini _FDT(off); 65953018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 66053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 66153018216SPaolo Bonzini sizeof(mem_reg_property)))); 66253018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 66353018216SPaolo Bonzini sizeof(associativity)))); 66453018216SPaolo Bonzini 66553018216SPaolo Bonzini /* RAM: Node 0 */ 66653018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 66753018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 66853018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 66953018216SPaolo Bonzini 67053018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 67153018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 67253018216SPaolo Bonzini _FDT(off); 67353018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 67453018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 67553018216SPaolo Bonzini sizeof(mem_reg_property)))); 67653018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 67753018216SPaolo Bonzini sizeof(associativity)))); 67853018216SPaolo Bonzini } 67953018216SPaolo Bonzini 68053018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 68153018216SPaolo Bonzini mem_start = node0_size; 68253018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 68353018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 6845fe269b1SPaul Mackerras if (mem_start >= ram_size) { 6855fe269b1SPaul Mackerras node_size = 0; 6865fe269b1SPaul Mackerras } else { 6878c85901eSWanlong Gao node_size = numa_info[i].node_mem; 6885fe269b1SPaul Mackerras if (node_size > ram_size - mem_start) { 6895fe269b1SPaul Mackerras node_size = ram_size - mem_start; 6905fe269b1SPaul Mackerras } 6915fe269b1SPaul Mackerras } 6925fe269b1SPaul Mackerras mem_reg_property[1] = cpu_to_be64(node_size); 69353018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 69453018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 69553018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 69653018216SPaolo Bonzini _FDT(off); 69753018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 69853018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 69953018216SPaolo Bonzini sizeof(mem_reg_property)))); 70053018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 70153018216SPaolo Bonzini sizeof(associativity)))); 7025fe269b1SPaul Mackerras mem_start += node_size; 70353018216SPaolo Bonzini } 70453018216SPaolo Bonzini 70553018216SPaolo Bonzini return 0; 70653018216SPaolo Bonzini } 70753018216SPaolo Bonzini 70853018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 70953018216SPaolo Bonzini hwaddr fdt_addr, 71053018216SPaolo Bonzini hwaddr rtas_addr, 71153018216SPaolo Bonzini hwaddr rtas_size) 71253018216SPaolo Bonzini { 71371461b0fSAlexey Kardashevskiy int ret, i; 71471461b0fSAlexey Kardashevskiy size_t cb = 0; 71571461b0fSAlexey Kardashevskiy char *bootlist; 71653018216SPaolo Bonzini void *fdt; 71753018216SPaolo Bonzini sPAPRPHBState *phb; 71853018216SPaolo Bonzini 71953018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 72053018216SPaolo Bonzini 72153018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 72253018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 72353018216SPaolo Bonzini 72453018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 72553018216SPaolo Bonzini if (ret < 0) { 72653018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 72753018216SPaolo Bonzini exit(1); 72853018216SPaolo Bonzini } 72953018216SPaolo Bonzini 73053018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 73153018216SPaolo Bonzini if (ret < 0) { 73253018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 73353018216SPaolo Bonzini exit(1); 73453018216SPaolo Bonzini } 73553018216SPaolo Bonzini 73653018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 73753018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 73853018216SPaolo Bonzini } 73953018216SPaolo Bonzini 74053018216SPaolo Bonzini if (ret < 0) { 74153018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 74253018216SPaolo Bonzini exit(1); 74353018216SPaolo Bonzini } 74453018216SPaolo Bonzini 74553018216SPaolo Bonzini /* RTAS */ 74653018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 74753018216SPaolo Bonzini if (ret < 0) { 74853018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 74953018216SPaolo Bonzini } 75053018216SPaolo Bonzini 75153018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 75253018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 75353018216SPaolo Bonzini if (ret < 0) { 75453018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 75553018216SPaolo Bonzini } 75653018216SPaolo Bonzini 75771461b0fSAlexey Kardashevskiy bootlist = get_boot_devices_list(&cb, true); 75871461b0fSAlexey Kardashevskiy if (cb && bootlist) { 75971461b0fSAlexey Kardashevskiy int offset = fdt_path_offset(fdt, "/chosen"); 76071461b0fSAlexey Kardashevskiy if (offset < 0) { 76171461b0fSAlexey Kardashevskiy exit(1); 76271461b0fSAlexey Kardashevskiy } 76371461b0fSAlexey Kardashevskiy for (i = 0; i < cb; i++) { 76471461b0fSAlexey Kardashevskiy if (bootlist[i] == '\n') { 76571461b0fSAlexey Kardashevskiy bootlist[i] = ' '; 76671461b0fSAlexey Kardashevskiy } 76771461b0fSAlexey Kardashevskiy 76871461b0fSAlexey Kardashevskiy } 76971461b0fSAlexey Kardashevskiy ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); 77071461b0fSAlexey Kardashevskiy } 77171461b0fSAlexey Kardashevskiy 77253018216SPaolo Bonzini if (!spapr->has_graphics) { 77353018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 77453018216SPaolo Bonzini } 77553018216SPaolo Bonzini 77653018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 77753018216SPaolo Bonzini 77853018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 77953018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 78053018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 78153018216SPaolo Bonzini exit(1); 78253018216SPaolo Bonzini } 78353018216SPaolo Bonzini 78453018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 78553018216SPaolo Bonzini 786*a21a7a70SGonglei g_free(bootlist); 78753018216SPaolo Bonzini g_free(fdt); 78853018216SPaolo Bonzini } 78953018216SPaolo Bonzini 79053018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 79153018216SPaolo Bonzini { 79253018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 79353018216SPaolo Bonzini } 79453018216SPaolo Bonzini 79553018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 79653018216SPaolo Bonzini { 79753018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 79853018216SPaolo Bonzini 79953018216SPaolo Bonzini if (msr_pr) { 80053018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 80153018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 80253018216SPaolo Bonzini } else { 80353018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 80453018216SPaolo Bonzini } 80553018216SPaolo Bonzini } 80653018216SPaolo Bonzini 80753018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 80853018216SPaolo Bonzini { 80953018216SPaolo Bonzini long shift; 81053018216SPaolo Bonzini 81153018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 81253018216SPaolo Bonzini * later we should probably make it scale to the size of guest 81353018216SPaolo Bonzini * RAM */ 81453018216SPaolo Bonzini 81553018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 81653018216SPaolo Bonzini 81753018216SPaolo Bonzini if (shift > 0) { 81853018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 81953018216SPaolo Bonzini spapr->htab_shift = shift; 8207c43bca0SAneesh Kumar K.V kvmppc_kern_htab = true; 82153018216SPaolo Bonzini } else { 82253018216SPaolo Bonzini if (!spapr->htab) { 82353018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 82453018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 82553018216SPaolo Bonzini } 82653018216SPaolo Bonzini 82753018216SPaolo Bonzini /* And clear it */ 82853018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 82953018216SPaolo Bonzini } 83053018216SPaolo Bonzini 83153018216SPaolo Bonzini /* Update the RMA size if necessary */ 83253018216SPaolo Bonzini if (spapr->vrma_adjust) { 8338c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? 8348c85901eSWanlong Gao numa_info[0].node_mem : ram_size; 835c4177479SAlexey Kardashevskiy spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); 83653018216SPaolo Bonzini } 83753018216SPaolo Bonzini } 83853018216SPaolo Bonzini 83953018216SPaolo Bonzini static void ppc_spapr_reset(void) 84053018216SPaolo Bonzini { 841182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 842259186a7SAndreas Färber 84353018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 84453018216SPaolo Bonzini spapr_reset_htab(spapr); 84553018216SPaolo Bonzini 84653018216SPaolo Bonzini qemu_devices_reset(); 84753018216SPaolo Bonzini 84853018216SPaolo Bonzini /* Load the fdt */ 84953018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 85053018216SPaolo Bonzini spapr->rtas_size); 85153018216SPaolo Bonzini 85253018216SPaolo Bonzini /* Set up the entry state */ 853182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 854182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 855182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 856182735efSAndreas Färber first_cpu->halted = 0; 857182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 85853018216SPaolo Bonzini 85953018216SPaolo Bonzini } 86053018216SPaolo Bonzini 86153018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 86253018216SPaolo Bonzini { 86353018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 864259186a7SAndreas Färber CPUState *cs = CPU(cpu); 86553018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 86653018216SPaolo Bonzini 867259186a7SAndreas Färber cpu_reset(cs); 86853018216SPaolo Bonzini 86953018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 87053018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 87153018216SPaolo Bonzini * using an RTAS call */ 872259186a7SAndreas Färber cs->halted = 1; 87353018216SPaolo Bonzini 87453018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 87553018216SPaolo Bonzini 8764be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 8775736245cSAneesh Kumar K.V if (kvm_enabled() && !env->external_htab) { 8785736245cSAneesh Kumar K.V /* 8795736245cSAneesh Kumar K.V * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte* 8805736245cSAneesh Kumar K.V * functions do the right thing. 8815736245cSAneesh Kumar K.V */ 8825736245cSAneesh Kumar K.V env->external_htab = (void *)1; 8835736245cSAneesh Kumar K.V } 88453018216SPaolo Bonzini env->htab_base = -1; 885f3c75d42SAneesh Kumar K.V /* 886f3c75d42SAneesh Kumar K.V * htab_mask is the mask used to normalize hash value to PTEG index. 887f3c75d42SAneesh Kumar K.V * htab_shift is log2 of hash table size. 888f3c75d42SAneesh Kumar K.V * We have 8 hpte per group, and each hpte is 16 bytes. 889f3c75d42SAneesh Kumar K.V * ie have 128 bytes per hpte entry. 890f3c75d42SAneesh Kumar K.V */ 891f3c75d42SAneesh Kumar K.V env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; 892ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 89353018216SPaolo Bonzini (spapr->htab_shift - 18); 89453018216SPaolo Bonzini } 89553018216SPaolo Bonzini 89653018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 89753018216SPaolo Bonzini { 8982ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 8993978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 90053018216SPaolo Bonzini 9013978b863SPaolo Bonzini if (dinfo) { 9023978b863SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); 90353018216SPaolo Bonzini } 90453018216SPaolo Bonzini 90553018216SPaolo Bonzini qdev_init_nofail(dev); 90653018216SPaolo Bonzini 90753018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 90853018216SPaolo Bonzini } 90953018216SPaolo Bonzini 91053018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 91153018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 91253018216SPaolo Bonzini { 91353018216SPaolo Bonzini switch (vga_interface_type) { 91453018216SPaolo Bonzini case VGA_NONE: 9157effdaa3SMark Wu return false; 9167effdaa3SMark Wu case VGA_DEVICE: 9177effdaa3SMark Wu return true; 91853018216SPaolo Bonzini case VGA_STD: 91953018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 92053018216SPaolo Bonzini default: 92153018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 92253018216SPaolo Bonzini "currently it only supports -vga std\n"); 92353018216SPaolo Bonzini exit(0); 92453018216SPaolo Bonzini } 92553018216SPaolo Bonzini } 92653018216SPaolo Bonzini 9274be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 9284be21d56SDavid Gibson .name = "spapr", 92998a8b524SAlexey Kardashevskiy .version_id = 2, 9304be21d56SDavid Gibson .minimum_version_id = 1, 9314be21d56SDavid Gibson .fields = (VMStateField[]) { 932ba0e5bf8SAlexey Kardashevskiy VMSTATE_UNUSED(4), /* used to be @next_irq */ 9334be21d56SDavid Gibson 9344be21d56SDavid Gibson /* RTC offset */ 9354be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 93698a8b524SAlexey Kardashevskiy VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), 9374be21d56SDavid Gibson VMSTATE_END_OF_LIST() 9384be21d56SDavid Gibson }, 9394be21d56SDavid Gibson }; 9404be21d56SDavid Gibson 9414be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 9424be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 9434be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 9444be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 9454be21d56SDavid Gibson 9464be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 9474be21d56SDavid Gibson { 9484be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 9494be21d56SDavid Gibson 9504be21d56SDavid Gibson /* "Iteration" header */ 9514be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 9524be21d56SDavid Gibson 953e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 954e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 955e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 956e68cb8b4SAlexey Kardashevskiy } else { 957e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 958e68cb8b4SAlexey Kardashevskiy 959e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 960e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 961e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 962e68cb8b4SAlexey Kardashevskiy strerror(errno)); 963e68cb8b4SAlexey Kardashevskiy return -1; 964e68cb8b4SAlexey Kardashevskiy } 9654be21d56SDavid Gibson } 9664be21d56SDavid Gibson 967e68cb8b4SAlexey Kardashevskiy 968e68cb8b4SAlexey Kardashevskiy return 0; 969e68cb8b4SAlexey Kardashevskiy } 9704be21d56SDavid Gibson 9714be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 9724be21d56SDavid Gibson int64_t max_ns) 9734be21d56SDavid Gibson { 9744be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 9754be21d56SDavid Gibson int index = spapr->htab_save_index; 976bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 9774be21d56SDavid Gibson 9784be21d56SDavid Gibson assert(spapr->htab_first_pass); 9794be21d56SDavid Gibson 9804be21d56SDavid Gibson do { 9814be21d56SDavid Gibson int chunkstart; 9824be21d56SDavid Gibson 9834be21d56SDavid Gibson /* Consume invalid HPTEs */ 9844be21d56SDavid Gibson while ((index < htabslots) 9854be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 9864be21d56SDavid Gibson index++; 9874be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9884be21d56SDavid Gibson } 9894be21d56SDavid Gibson 9904be21d56SDavid Gibson /* Consume valid HPTEs */ 9914be21d56SDavid Gibson chunkstart = index; 9924be21d56SDavid Gibson while ((index < htabslots) 9934be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 9944be21d56SDavid Gibson index++; 9954be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9964be21d56SDavid Gibson } 9974be21d56SDavid Gibson 9984be21d56SDavid Gibson if (index > chunkstart) { 9994be21d56SDavid Gibson int n_valid = index - chunkstart; 10004be21d56SDavid Gibson 10014be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10024be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10034be21d56SDavid Gibson qemu_put_be16(f, 0); 10044be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10054be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10064be21d56SDavid Gibson 1007bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 10084be21d56SDavid Gibson break; 10094be21d56SDavid Gibson } 10104be21d56SDavid Gibson } 10114be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 10124be21d56SDavid Gibson 10134be21d56SDavid Gibson if (index >= htabslots) { 10144be21d56SDavid Gibson assert(index == htabslots); 10154be21d56SDavid Gibson index = 0; 10164be21d56SDavid Gibson spapr->htab_first_pass = false; 10174be21d56SDavid Gibson } 10184be21d56SDavid Gibson spapr->htab_save_index = index; 10194be21d56SDavid Gibson } 10204be21d56SDavid Gibson 1021e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 10224be21d56SDavid Gibson int64_t max_ns) 10234be21d56SDavid Gibson { 10244be21d56SDavid Gibson bool final = max_ns < 0; 10254be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 10264be21d56SDavid Gibson int examined = 0, sent = 0; 10274be21d56SDavid Gibson int index = spapr->htab_save_index; 1028bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 10294be21d56SDavid Gibson 10304be21d56SDavid Gibson assert(!spapr->htab_first_pass); 10314be21d56SDavid Gibson 10324be21d56SDavid Gibson do { 10334be21d56SDavid Gibson int chunkstart, invalidstart; 10344be21d56SDavid Gibson 10354be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 10364be21d56SDavid Gibson while ((index < htabslots) 10374be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 10384be21d56SDavid Gibson index++; 10394be21d56SDavid Gibson examined++; 10404be21d56SDavid Gibson } 10414be21d56SDavid Gibson 10424be21d56SDavid Gibson chunkstart = index; 10434be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 10444be21d56SDavid Gibson while ((index < htabslots) 10454be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10464be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 10474be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10484be21d56SDavid Gibson index++; 10494be21d56SDavid Gibson examined++; 10504be21d56SDavid Gibson } 10514be21d56SDavid Gibson 10524be21d56SDavid Gibson invalidstart = index; 10534be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 10544be21d56SDavid Gibson while ((index < htabslots) 10554be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 10564be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 10574be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 10584be21d56SDavid Gibson index++; 10594be21d56SDavid Gibson examined++; 10604be21d56SDavid Gibson } 10614be21d56SDavid Gibson 10624be21d56SDavid Gibson if (index > chunkstart) { 10634be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 10644be21d56SDavid Gibson int n_invalid = index - invalidstart; 10654be21d56SDavid Gibson 10664be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 10674be21d56SDavid Gibson qemu_put_be16(f, n_valid); 10684be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 10694be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 10704be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10714be21d56SDavid Gibson sent += index - chunkstart; 10724be21d56SDavid Gibson 1073bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 10744be21d56SDavid Gibson break; 10754be21d56SDavid Gibson } 10764be21d56SDavid Gibson } 10774be21d56SDavid Gibson 10784be21d56SDavid Gibson if (examined >= htabslots) { 10794be21d56SDavid Gibson break; 10804be21d56SDavid Gibson } 10814be21d56SDavid Gibson 10824be21d56SDavid Gibson if (index >= htabslots) { 10834be21d56SDavid Gibson assert(index == htabslots); 10844be21d56SDavid Gibson index = 0; 10854be21d56SDavid Gibson } 10864be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 10874be21d56SDavid Gibson 10884be21d56SDavid Gibson if (index >= htabslots) { 10894be21d56SDavid Gibson assert(index == htabslots); 10904be21d56SDavid Gibson index = 0; 10914be21d56SDavid Gibson } 10924be21d56SDavid Gibson 10934be21d56SDavid Gibson spapr->htab_save_index = index; 10944be21d56SDavid Gibson 1095e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 10964be21d56SDavid Gibson } 10974be21d56SDavid Gibson 1098e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 1099e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 1100e68cb8b4SAlexey Kardashevskiy 11014be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 11024be21d56SDavid Gibson { 11034be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 1104e68cb8b4SAlexey Kardashevskiy int rc = 0; 11054be21d56SDavid Gibson 11064be21d56SDavid Gibson /* Iteration header */ 11074be21d56SDavid Gibson qemu_put_be32(f, 0); 11084be21d56SDavid Gibson 1109e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1110e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1111e68cb8b4SAlexey Kardashevskiy 1112e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 1113e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1114e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1115e68cb8b4SAlexey Kardashevskiy return rc; 1116e68cb8b4SAlexey Kardashevskiy } 1117e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 11184be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 11194be21d56SDavid Gibson } else { 1120e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 11214be21d56SDavid Gibson } 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 1128e68cb8b4SAlexey Kardashevskiy return rc; 11294be21d56SDavid Gibson } 11304be21d56SDavid Gibson 11314be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 11324be21d56SDavid Gibson { 11334be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11344be21d56SDavid Gibson 11354be21d56SDavid Gibson /* Iteration header */ 11364be21d56SDavid Gibson qemu_put_be32(f, 0); 11374be21d56SDavid Gibson 1138e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1139e68cb8b4SAlexey Kardashevskiy int rc; 1140e68cb8b4SAlexey Kardashevskiy 1141e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1142e68cb8b4SAlexey Kardashevskiy 1143e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 1144e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1145e68cb8b4SAlexey Kardashevskiy return rc; 1146e68cb8b4SAlexey Kardashevskiy } 1147e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 1148e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 1149e68cb8b4SAlexey Kardashevskiy } else { 11504be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1151e68cb8b4SAlexey Kardashevskiy } 11524be21d56SDavid Gibson 11534be21d56SDavid Gibson /* End marker */ 11544be21d56SDavid Gibson qemu_put_be32(f, 0); 11554be21d56SDavid Gibson qemu_put_be16(f, 0); 11564be21d56SDavid Gibson qemu_put_be16(f, 0); 11574be21d56SDavid Gibson 11584be21d56SDavid Gibson return 0; 11594be21d56SDavid Gibson } 11604be21d56SDavid Gibson 11614be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 11624be21d56SDavid Gibson { 11634be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 11644be21d56SDavid Gibson uint32_t section_hdr; 1165e68cb8b4SAlexey Kardashevskiy int fd = -1; 11664be21d56SDavid Gibson 11674be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 11684be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 11694be21d56SDavid Gibson return -EINVAL; 11704be21d56SDavid Gibson } 11714be21d56SDavid Gibson 11724be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 11734be21d56SDavid Gibson 11744be21d56SDavid Gibson if (section_hdr) { 11754be21d56SDavid Gibson /* First section, just the hash shift */ 11764be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 11774be21d56SDavid Gibson return -EINVAL; 11784be21d56SDavid Gibson } 11794be21d56SDavid Gibson return 0; 11804be21d56SDavid Gibson } 11814be21d56SDavid Gibson 1182e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1183e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1184e68cb8b4SAlexey Kardashevskiy 1185e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1186e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1187e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1188e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1189e68cb8b4SAlexey Kardashevskiy } 1190e68cb8b4SAlexey Kardashevskiy } 1191e68cb8b4SAlexey Kardashevskiy 11924be21d56SDavid Gibson while (true) { 11934be21d56SDavid Gibson uint32_t index; 11944be21d56SDavid Gibson uint16_t n_valid, n_invalid; 11954be21d56SDavid Gibson 11964be21d56SDavid Gibson index = qemu_get_be32(f); 11974be21d56SDavid Gibson n_valid = qemu_get_be16(f); 11984be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 11994be21d56SDavid Gibson 12004be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 12014be21d56SDavid Gibson /* End of Stream */ 12024be21d56SDavid Gibson break; 12034be21d56SDavid Gibson } 12044be21d56SDavid Gibson 1205e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 12064be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 12074be21d56SDavid Gibson /* Bad index in stream */ 12084be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1209e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1210e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 12114be21d56SDavid Gibson return -EINVAL; 12124be21d56SDavid Gibson } 12134be21d56SDavid Gibson 1214e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 12154be21d56SDavid Gibson if (n_valid) { 12164be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 12174be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 12184be21d56SDavid Gibson } 12194be21d56SDavid Gibson if (n_invalid) { 12204be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 12214be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 12224be21d56SDavid Gibson } 1223e68cb8b4SAlexey Kardashevskiy } else { 1224e68cb8b4SAlexey Kardashevskiy int rc; 1225e68cb8b4SAlexey Kardashevskiy 1226e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1227e68cb8b4SAlexey Kardashevskiy 1228e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1229e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1230e68cb8b4SAlexey Kardashevskiy return rc; 1231e68cb8b4SAlexey Kardashevskiy } 1232e68cb8b4SAlexey Kardashevskiy } 1233e68cb8b4SAlexey Kardashevskiy } 1234e68cb8b4SAlexey Kardashevskiy 1235e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1236e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1237e68cb8b4SAlexey Kardashevskiy close(fd); 12384be21d56SDavid Gibson } 12394be21d56SDavid Gibson 12404be21d56SDavid Gibson return 0; 12414be21d56SDavid Gibson } 12424be21d56SDavid Gibson 12434be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 12444be21d56SDavid Gibson .save_live_setup = htab_save_setup, 12454be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 12464be21d56SDavid Gibson .save_live_complete = htab_save_complete, 12474be21d56SDavid Gibson .load_state = htab_load, 12484be21d56SDavid Gibson }; 12494be21d56SDavid Gibson 125053018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 12513ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 125253018216SPaolo Bonzini { 12533ef96221SMarcel Apfelbaum ram_addr_t ram_size = machine->ram_size; 12543ef96221SMarcel Apfelbaum const char *cpu_model = machine->cpu_model; 12553ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 12563ef96221SMarcel Apfelbaum const char *kernel_cmdline = machine->kernel_cmdline; 12573ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 12583ef96221SMarcel Apfelbaum const char *boot_device = machine->boot_order; 125953018216SPaolo Bonzini PowerPCCPU *cpu; 126053018216SPaolo Bonzini CPUPPCState *env; 126153018216SPaolo Bonzini PCIHostState *phb; 126253018216SPaolo Bonzini int i; 126353018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 126453018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 1265658fa66bSAlexey Kardashevskiy MemoryRegion *rma_region; 1266658fa66bSAlexey Kardashevskiy void *rma = NULL; 126753018216SPaolo Bonzini hwaddr rma_alloc_size; 12688c85901eSWanlong Gao hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size; 126953018216SPaolo Bonzini uint32_t initrd_base = 0; 127053018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 127153018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 127216457e7fSBenjamin Herrenschmidt bool kernel_le = false; 127353018216SPaolo Bonzini char *filename; 127453018216SPaolo Bonzini 127553018216SPaolo Bonzini msi_supported = true; 127653018216SPaolo Bonzini 127753018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 127853018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 127953018216SPaolo Bonzini 128053018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 128153018216SPaolo Bonzini 128253018216SPaolo Bonzini /* Allocate RMA if necessary */ 1283658fa66bSAlexey Kardashevskiy rma_alloc_size = kvmppc_alloc_rma(&rma); 128453018216SPaolo Bonzini 128553018216SPaolo Bonzini if (rma_alloc_size == -1) { 128653018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 128753018216SPaolo Bonzini exit(1); 128853018216SPaolo Bonzini } 128953018216SPaolo Bonzini 1290c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 129153018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 129253018216SPaolo Bonzini } else { 1293c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 129453018216SPaolo Bonzini 129553018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 129653018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 129753018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 129853018216SPaolo Bonzini * 129953018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 130053018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 130153018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 130253018216SPaolo Bonzini * isn't determined yet. 130353018216SPaolo Bonzini */ 130453018216SPaolo Bonzini if (kvm_enabled()) { 130553018216SPaolo Bonzini spapr->vrma_adjust = 1; 130653018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 130753018216SPaolo Bonzini } 130853018216SPaolo Bonzini } 130953018216SPaolo Bonzini 1310c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1311c4177479SAlexey Kardashevskiy fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n", 1312c4177479SAlexey Kardashevskiy spapr->rma_size); 1313c4177479SAlexey Kardashevskiy exit(1); 1314c4177479SAlexey Kardashevskiy } 1315c4177479SAlexey Kardashevskiy 131653018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 131753018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 131853018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 131953018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 132053018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 132153018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 132253018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 132353018216SPaolo Bonzini 132453018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 132553018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 132653018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 132753018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 132853018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 132953018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 133053018216SPaolo Bonzini break; 133153018216SPaolo Bonzini } 133253018216SPaolo Bonzini spapr->htab_shift++; 133353018216SPaolo Bonzini } 133453018216SPaolo Bonzini 13357b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 13367b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 13377b565160SDavid Gibson XICS_IRQS); 13387b565160SDavid Gibson 133953018216SPaolo Bonzini /* init CPUs */ 134053018216SPaolo Bonzini if (cpu_model == NULL) { 134153018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 134253018216SPaolo Bonzini } 134353018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 134453018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 134553018216SPaolo Bonzini if (cpu == NULL) { 134653018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 134753018216SPaolo Bonzini exit(1); 134853018216SPaolo Bonzini } 134953018216SPaolo Bonzini env = &cpu->env; 135053018216SPaolo Bonzini 135153018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 135253018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 135353018216SPaolo Bonzini 13542cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 13552cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 13562cf3eb6dSFabien Chouteau */ 13572cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 135853018216SPaolo Bonzini 135953018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 136053018216SPaolo Bonzini if (kvm_enabled()) { 136153018216SPaolo Bonzini kvmppc_set_papr(cpu); 136253018216SPaolo Bonzini } 136353018216SPaolo Bonzini 13646d9412eaSAlexey Kardashevskiy if (cpu->max_compat) { 13656d9412eaSAlexey Kardashevskiy if (ppc_set_compat(cpu, cpu->max_compat) < 0) { 13666d9412eaSAlexey Kardashevskiy exit(1); 13676d9412eaSAlexey Kardashevskiy } 13686d9412eaSAlexey Kardashevskiy } 13696d9412eaSAlexey Kardashevskiy 137024408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 137124408a7dSAlexey Kardashevskiy 137253018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 137353018216SPaolo Bonzini } 137453018216SPaolo Bonzini 137553018216SPaolo Bonzini /* allocate RAM */ 137653018216SPaolo Bonzini spapr->ram_limit = ram_size; 1377f92f5da1SAlexey Kardashevskiy memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram", 1378f92f5da1SAlexey Kardashevskiy spapr->ram_limit); 1379f92f5da1SAlexey Kardashevskiy memory_region_add_subregion(sysmem, 0, ram); 138053018216SPaolo Bonzini 1381658fa66bSAlexey Kardashevskiy if (rma_alloc_size && rma) { 1382658fa66bSAlexey Kardashevskiy rma_region = g_new(MemoryRegion, 1); 1383658fa66bSAlexey Kardashevskiy memory_region_init_ram_ptr(rma_region, NULL, "ppc_spapr.rma", 1384658fa66bSAlexey Kardashevskiy rma_alloc_size, rma); 1385658fa66bSAlexey Kardashevskiy vmstate_register_ram_global(rma_region); 1386658fa66bSAlexey Kardashevskiy memory_region_add_subregion(sysmem, 0, rma_region); 1387658fa66bSAlexey Kardashevskiy } 1388658fa66bSAlexey Kardashevskiy 138953018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 139053018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 139153018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 139253018216SPaolo Bonzini if (spapr->rtas_size < 0) { 139353018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 139453018216SPaolo Bonzini exit(1); 139553018216SPaolo Bonzini } 139653018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 139753018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 139853018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 139953018216SPaolo Bonzini exit(1); 140053018216SPaolo Bonzini } 140153018216SPaolo Bonzini g_free(filename); 140253018216SPaolo Bonzini 140353018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 140453018216SPaolo Bonzini spapr_events_init(spapr); 140553018216SPaolo Bonzini 140653018216SPaolo Bonzini /* Set up VIO bus */ 140753018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 140853018216SPaolo Bonzini 140953018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 141053018216SPaolo Bonzini if (serial_hds[i]) { 141153018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 141253018216SPaolo Bonzini } 141353018216SPaolo Bonzini } 141453018216SPaolo Bonzini 141553018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 141653018216SPaolo Bonzini spapr_create_nvram(spapr); 141753018216SPaolo Bonzini 141853018216SPaolo Bonzini /* Set up PCI */ 1419f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 142053018216SPaolo Bonzini spapr_pci_rtas_init(); 142153018216SPaolo Bonzini 142289dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 142353018216SPaolo Bonzini 142453018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 142553018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 142653018216SPaolo Bonzini 142753018216SPaolo Bonzini if (!nd->model) { 142853018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 142953018216SPaolo Bonzini } 143053018216SPaolo Bonzini 143153018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 143253018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 143353018216SPaolo Bonzini } else { 143429b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 143553018216SPaolo Bonzini } 143653018216SPaolo Bonzini } 143753018216SPaolo Bonzini 143853018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 143953018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 144053018216SPaolo Bonzini } 144153018216SPaolo Bonzini 144253018216SPaolo Bonzini /* Graphics */ 144353018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 144453018216SPaolo Bonzini spapr->has_graphics = true; 144553018216SPaolo Bonzini } 144653018216SPaolo Bonzini 144753018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 144853018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 144953018216SPaolo Bonzini if (spapr->has_graphics) { 145053018216SPaolo Bonzini usbdevice_create("keyboard"); 145153018216SPaolo Bonzini usbdevice_create("mouse"); 145253018216SPaolo Bonzini } 145353018216SPaolo Bonzini } 145453018216SPaolo Bonzini 145553018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 145653018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 145753018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 145853018216SPaolo Bonzini exit(1); 145953018216SPaolo Bonzini } 146053018216SPaolo Bonzini 146153018216SPaolo Bonzini if (kernel_filename) { 146253018216SPaolo Bonzini uint64_t lowaddr = 0; 146353018216SPaolo Bonzini 146453018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 146553018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 14663b66da82SAlexey Kardashevskiy if (kernel_size == ELF_LOAD_WRONG_ENDIAN) { 146716457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 146816457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 146916457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 147016457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 147116457e7fSBenjamin Herrenschmidt } 147216457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 14733b66da82SAlexey Kardashevskiy fprintf(stderr, "qemu: error loading %s: %s\n", 14743b66da82SAlexey Kardashevskiy kernel_filename, load_elf_strerror(kernel_size)); 147553018216SPaolo Bonzini exit(1); 147653018216SPaolo Bonzini } 147753018216SPaolo Bonzini 147853018216SPaolo Bonzini /* load initrd */ 147953018216SPaolo Bonzini if (initrd_filename) { 148053018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 148153018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 148253018216SPaolo Bonzini */ 148353018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 148453018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 148553018216SPaolo Bonzini load_limit - initrd_base); 148653018216SPaolo Bonzini if (initrd_size < 0) { 148753018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 148853018216SPaolo Bonzini initrd_filename); 148953018216SPaolo Bonzini exit(1); 149053018216SPaolo Bonzini } 149153018216SPaolo Bonzini } else { 149253018216SPaolo Bonzini initrd_base = 0; 149353018216SPaolo Bonzini initrd_size = 0; 149453018216SPaolo Bonzini } 149553018216SPaolo Bonzini } 149653018216SPaolo Bonzini 14978e7ea787SAndreas Färber if (bios_name == NULL) { 14988e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 14998e7ea787SAndreas Färber } 15008e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 150153018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 150253018216SPaolo Bonzini if (fw_size < 0) { 150353018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 150453018216SPaolo Bonzini exit(1); 150553018216SPaolo Bonzini } 150653018216SPaolo Bonzini g_free(filename); 150753018216SPaolo Bonzini 150853018216SPaolo Bonzini spapr->entry_point = 0x100; 150953018216SPaolo Bonzini 15104be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 15114be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 15124be21d56SDavid Gibson &savevm_htab_handlers, spapr); 15134be21d56SDavid Gibson 151453018216SPaolo Bonzini /* Prepare the device tree */ 15153bbf37f2SAndreas Färber spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size, 151616457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 151753018216SPaolo Bonzini boot_device, kernel_cmdline, 151853018216SPaolo Bonzini spapr->epow_irq); 151953018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 152053018216SPaolo Bonzini } 152153018216SPaolo Bonzini 1522135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 1523135a129aSAneesh Kumar K.V { 1524135a129aSAneesh Kumar K.V if (!vm_type) { 1525135a129aSAneesh Kumar K.V return 0; 1526135a129aSAneesh Kumar K.V } 1527135a129aSAneesh Kumar K.V 1528135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 1529135a129aSAneesh Kumar K.V return 1; 1530135a129aSAneesh Kumar K.V } 1531135a129aSAneesh Kumar K.V 1532135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 1533135a129aSAneesh Kumar K.V return 2; 1534135a129aSAneesh Kumar K.V } 1535135a129aSAneesh Kumar K.V 1536135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 1537135a129aSAneesh Kumar K.V exit(1); 1538135a129aSAneesh Kumar K.V } 1539135a129aSAneesh Kumar K.V 154071461b0fSAlexey Kardashevskiy /* 154171461b0fSAlexey Kardashevskiy * Implementation of an interface to adjust firmware patch 154271461b0fSAlexey Kardashevskiy * for the bootindex property handling. 154371461b0fSAlexey Kardashevskiy */ 154471461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 154571461b0fSAlexey Kardashevskiy DeviceState *dev) 154671461b0fSAlexey Kardashevskiy { 154771461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 154871461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 154971461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 155071461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 155171461b0fSAlexey Kardashevskiy 155271461b0fSAlexey Kardashevskiy if (d) { 155371461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 155471461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 155571461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 155671461b0fSAlexey Kardashevskiy 155771461b0fSAlexey Kardashevskiy if (spapr) { 155871461b0fSAlexey Kardashevskiy /* 155971461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 156071461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 156171461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 156271461b0fSAlexey Kardashevskiy */ 156371461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 156471461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 156571461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 156671461b0fSAlexey Kardashevskiy } else if (virtio) { 156771461b0fSAlexey Kardashevskiy /* 156871461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 156971461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 157071461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 157171461b0fSAlexey Kardashevskiy * the actual binding is: 157271461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 157371461b0fSAlexey Kardashevskiy */ 157471461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 157571461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 157671461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 157771461b0fSAlexey Kardashevskiy } else if (usb) { 157871461b0fSAlexey Kardashevskiy /* 157971461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 158071461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 158171461b0fSAlexey Kardashevskiy */ 158271461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 158371461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 158471461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 158571461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 158671461b0fSAlexey Kardashevskiy } 158771461b0fSAlexey Kardashevskiy } 158871461b0fSAlexey Kardashevskiy 158971461b0fSAlexey Kardashevskiy if (phb) { 159071461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 159171461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 159271461b0fSAlexey Kardashevskiy } 159371461b0fSAlexey Kardashevskiy 159471461b0fSAlexey Kardashevskiy return NULL; 159571461b0fSAlexey Kardashevskiy } 159671461b0fSAlexey Kardashevskiy 159723825581SEduardo Habkost static char *spapr_get_kvm_type(Object *obj, Error **errp) 159823825581SEduardo Habkost { 15996ca1502eSAlexey Kardashevskiy sPAPRMachineState *sm = SPAPR_MACHINE(obj); 160023825581SEduardo Habkost 160123825581SEduardo Habkost return g_strdup(sm->kvm_type); 160223825581SEduardo Habkost } 160323825581SEduardo Habkost 160423825581SEduardo Habkost static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp) 160523825581SEduardo Habkost { 16066ca1502eSAlexey Kardashevskiy sPAPRMachineState *sm = SPAPR_MACHINE(obj); 160723825581SEduardo Habkost 160823825581SEduardo Habkost g_free(sm->kvm_type); 160923825581SEduardo Habkost sm->kvm_type = g_strdup(value); 161023825581SEduardo Habkost } 161123825581SEduardo Habkost 161223825581SEduardo Habkost static void spapr_machine_initfn(Object *obj) 161323825581SEduardo Habkost { 161423825581SEduardo Habkost object_property_add_str(obj, "kvm-type", 161523825581SEduardo Habkost spapr_get_kvm_type, spapr_set_kvm_type, NULL); 161623825581SEduardo Habkost } 161723825581SEduardo Habkost 161834316482SAlexey Kardashevskiy static void ppc_cpu_do_nmi_on_cpu(void *arg) 161934316482SAlexey Kardashevskiy { 162034316482SAlexey Kardashevskiy CPUState *cs = arg; 162134316482SAlexey Kardashevskiy 162234316482SAlexey Kardashevskiy cpu_synchronize_state(cs); 162334316482SAlexey Kardashevskiy ppc_cpu_do_system_reset(cs); 162434316482SAlexey Kardashevskiy } 162534316482SAlexey Kardashevskiy 162634316482SAlexey Kardashevskiy static void spapr_nmi(NMIState *n, int cpu_index, Error **errp) 162734316482SAlexey Kardashevskiy { 162834316482SAlexey Kardashevskiy CPUState *cs; 162934316482SAlexey Kardashevskiy 163034316482SAlexey Kardashevskiy CPU_FOREACH(cs) { 163134316482SAlexey Kardashevskiy async_run_on_cpu(cs, ppc_cpu_do_nmi_on_cpu, cs); 163234316482SAlexey Kardashevskiy } 163334316482SAlexey Kardashevskiy } 163434316482SAlexey Kardashevskiy 163529ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 163653018216SPaolo Bonzini { 163729ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 163871461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 163934316482SAlexey Kardashevskiy NMIClass *nc = NMI_CLASS(oc); 164029ee3247SAlexey Kardashevskiy 1641958db90cSMarcel Apfelbaum mc->name = "pseries"; 1642958db90cSMarcel Apfelbaum mc->desc = "pSeries Logical Partition (PAPR compliant)"; 1643958db90cSMarcel Apfelbaum mc->is_default = 1; 1644958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 1645958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 1646958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 1647958db90cSMarcel Apfelbaum mc->max_cpus = MAX_CPUS; 1648958db90cSMarcel Apfelbaum mc->no_parallel = 1; 1649958db90cSMarcel Apfelbaum mc->default_boot_order = NULL; 1650958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 165100b4fbe2SMarcel Apfelbaum 165271461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 165334316482SAlexey Kardashevskiy nc->nmi_monitor_handler = spapr_nmi; 165453018216SPaolo Bonzini } 165553018216SPaolo Bonzini 165629ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 165729ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 165829ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 16596ca1502eSAlexey Kardashevskiy .instance_size = sizeof(sPAPRMachineState), 166023825581SEduardo Habkost .instance_init = spapr_machine_initfn, 166129ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 166271461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 166371461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 166434316482SAlexey Kardashevskiy { TYPE_NMI }, 166571461b0fSAlexey Kardashevskiy { } 166671461b0fSAlexey Kardashevskiy }, 166729ee3247SAlexey Kardashevskiy }; 166829ee3247SAlexey Kardashevskiy 16696026db45SAlexey Kardashevskiy static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data) 16706026db45SAlexey Kardashevskiy { 16716026db45SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 16726026db45SAlexey Kardashevskiy 16736026db45SAlexey Kardashevskiy mc->name = "pseries-2.1"; 16746026db45SAlexey Kardashevskiy mc->desc = "pSeries Logical Partition (PAPR compliant) v2.1"; 16756026db45SAlexey Kardashevskiy mc->is_default = 0; 16766026db45SAlexey Kardashevskiy } 16776026db45SAlexey Kardashevskiy 16786026db45SAlexey Kardashevskiy static const TypeInfo spapr_machine_2_1_info = { 16796026db45SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE "2.1", 16806026db45SAlexey Kardashevskiy .parent = TYPE_SPAPR_MACHINE, 16816026db45SAlexey Kardashevskiy .class_init = spapr_machine_2_1_class_init, 16826026db45SAlexey Kardashevskiy }; 16836026db45SAlexey Kardashevskiy 168429ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 168529ee3247SAlexey Kardashevskiy { 168629ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 16876026db45SAlexey Kardashevskiy type_register_static(&spapr_machine_2_1_info); 168829ee3247SAlexey Kardashevskiy } 168929ee3247SAlexey Kardashevskiy 169029ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 1691