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" 2953018216SPaolo Bonzini #include "elf.h" 3053018216SPaolo Bonzini #include "net/net.h" 3153018216SPaolo Bonzini #include "sysemu/blockdev.h" 3253018216SPaolo Bonzini #include "sysemu/cpus.h" 3353018216SPaolo Bonzini #include "sysemu/kvm.h" 3453018216SPaolo Bonzini #include "kvm_ppc.h" 354be21d56SDavid Gibson #include "mmu-hash64.h" 3653018216SPaolo Bonzini 3753018216SPaolo Bonzini #include "hw/boards.h" 380d09e41aSPaolo Bonzini #include "hw/ppc/ppc.h" 3953018216SPaolo Bonzini #include "hw/loader.h" 4053018216SPaolo Bonzini 410d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 420d09e41aSPaolo Bonzini #include "hw/ppc/spapr_vio.h" 430d09e41aSPaolo Bonzini #include "hw/pci-host/spapr.h" 440d09e41aSPaolo Bonzini #include "hw/ppc/xics.h" 4553018216SPaolo Bonzini #include "hw/pci/msi.h" 4653018216SPaolo Bonzini 4753018216SPaolo Bonzini #include "hw/pci/pci.h" 4853018216SPaolo Bonzini 4953018216SPaolo Bonzini #include "exec/address-spaces.h" 5053018216SPaolo Bonzini #include "hw/usb.h" 5153018216SPaolo Bonzini #include "qemu/config-file.h" 5253018216SPaolo Bonzini 5353018216SPaolo Bonzini #include <libfdt.h> 5453018216SPaolo Bonzini 5553018216SPaolo Bonzini /* SLOF memory layout: 5653018216SPaolo Bonzini * 5753018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 5853018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 5953018216SPaolo Bonzini * 6053018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6153018216SPaolo Bonzini * and more 6253018216SPaolo Bonzini * 6353018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 6453018216SPaolo Bonzini */ 653bf6eeddSAlexey Kardashevskiy #define FDT_MAX_SIZE 0x40000 6653018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 6753018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 6853018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 6953018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7053018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7153018216SPaolo Bonzini 7253018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 7353018216SPaolo Bonzini 7453018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 7553018216SPaolo Bonzini 7653018216SPaolo Bonzini #define MAX_CPUS 256 7753018216SPaolo Bonzini #define XICS_IRQS 1024 7853018216SPaolo Bonzini 7953018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8053018216SPaolo Bonzini 8153018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8253018216SPaolo Bonzini 8353018216SPaolo Bonzini sPAPREnvironment *spapr; 8453018216SPaolo Bonzini 8553018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 8653018216SPaolo Bonzini { 8753018216SPaolo Bonzini int irq; 8853018216SPaolo Bonzini 8953018216SPaolo Bonzini if (hint) { 9053018216SPaolo Bonzini irq = hint; 91f1c2dc7cSAlexey Kardashevskiy if (hint >= spapr->next_irq) { 92f1c2dc7cSAlexey Kardashevskiy spapr->next_irq = hint + 1; 93f1c2dc7cSAlexey Kardashevskiy } 9453018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 9553018216SPaolo Bonzini } else { 9653018216SPaolo Bonzini irq = spapr->next_irq++; 9753018216SPaolo Bonzini } 9853018216SPaolo Bonzini 9953018216SPaolo Bonzini /* Configure irq type */ 10053018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 10153018216SPaolo Bonzini return 0; 10253018216SPaolo Bonzini } 10353018216SPaolo Bonzini 10453018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 10553018216SPaolo Bonzini 10653018216SPaolo Bonzini return irq; 10753018216SPaolo Bonzini } 10853018216SPaolo Bonzini 109f1c2dc7cSAlexey Kardashevskiy /* 110f1c2dc7cSAlexey Kardashevskiy * Allocate block of consequtive IRQs, returns a number of the first. 111f1c2dc7cSAlexey Kardashevskiy * If msi==true, aligns the first IRQ number to num. 112f1c2dc7cSAlexey Kardashevskiy */ 113f1c2dc7cSAlexey Kardashevskiy int spapr_allocate_irq_block(int num, bool lsi, bool msi) 11453018216SPaolo Bonzini { 11553018216SPaolo Bonzini int first = -1; 116f1c2dc7cSAlexey Kardashevskiy int i, hint = 0; 117f1c2dc7cSAlexey Kardashevskiy 118f1c2dc7cSAlexey Kardashevskiy /* 119f1c2dc7cSAlexey Kardashevskiy * MSIMesage::data is used for storing VIRQ so 120f1c2dc7cSAlexey Kardashevskiy * it has to be aligned to num to support multiple 121f1c2dc7cSAlexey Kardashevskiy * MSI vectors. MSI-X is not affected by this. 122f1c2dc7cSAlexey Kardashevskiy * The hint is used for the first IRQ, the rest should 123f1c2dc7cSAlexey Kardashevskiy * be allocated continously. 124f1c2dc7cSAlexey Kardashevskiy */ 125f1c2dc7cSAlexey Kardashevskiy if (msi) { 126f1c2dc7cSAlexey Kardashevskiy assert((num == 1) || (num == 2) || (num == 4) || 127f1c2dc7cSAlexey Kardashevskiy (num == 8) || (num == 16) || (num == 32)); 128f1c2dc7cSAlexey Kardashevskiy hint = (spapr->next_irq + num - 1) & ~(num - 1); 129f1c2dc7cSAlexey Kardashevskiy } 13053018216SPaolo Bonzini 13153018216SPaolo Bonzini for (i = 0; i < num; ++i) { 13253018216SPaolo Bonzini int irq; 13353018216SPaolo Bonzini 134f1c2dc7cSAlexey Kardashevskiy irq = spapr_allocate_irq(hint, lsi); 13553018216SPaolo Bonzini if (!irq) { 13653018216SPaolo Bonzini return -1; 13753018216SPaolo Bonzini } 13853018216SPaolo Bonzini 13953018216SPaolo Bonzini if (0 == i) { 14053018216SPaolo Bonzini first = irq; 141f1c2dc7cSAlexey Kardashevskiy hint = 0; 14253018216SPaolo Bonzini } 14353018216SPaolo Bonzini 14453018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 14553018216SPaolo Bonzini * an internal bug */ 14653018216SPaolo Bonzini assert(irq == (first + i)); 14753018216SPaolo Bonzini } 14853018216SPaolo Bonzini 14953018216SPaolo Bonzini return first; 15053018216SPaolo Bonzini } 15153018216SPaolo Bonzini 152c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 153c04d6cfaSAnthony Liguori int nr_irqs) 154c04d6cfaSAnthony Liguori { 155c04d6cfaSAnthony Liguori DeviceState *dev; 156c04d6cfaSAnthony Liguori 157c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 158c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 159c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 160c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 161c04d6cfaSAnthony Liguori return NULL; 162c04d6cfaSAnthony Liguori } 163c04d6cfaSAnthony Liguori 164c04d6cfaSAnthony Liguori return XICS(dev); 165c04d6cfaSAnthony Liguori } 166c04d6cfaSAnthony Liguori 167c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 168c04d6cfaSAnthony Liguori { 169c04d6cfaSAnthony Liguori XICSState *icp = NULL; 170c04d6cfaSAnthony Liguori 171c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 172c04d6cfaSAnthony Liguori if (!icp) { 173c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 174c04d6cfaSAnthony Liguori abort(); 175c04d6cfaSAnthony Liguori } 176c04d6cfaSAnthony Liguori 177c04d6cfaSAnthony Liguori return icp; 178c04d6cfaSAnthony Liguori } 179c04d6cfaSAnthony Liguori 18053018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 18153018216SPaolo Bonzini { 18253018216SPaolo Bonzini int ret = 0, offset; 18353018216SPaolo Bonzini CPUState *cpu; 18453018216SPaolo Bonzini char cpu_model[32]; 18553018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 18653018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 18753018216SPaolo Bonzini 18853018216SPaolo Bonzini assert(spapr->cpu_model); 18953018216SPaolo Bonzini 190bdc44640SAndreas Färber CPU_FOREACH(cpu) { 19153018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 19253018216SPaolo Bonzini cpu_to_be32(0x0), 19353018216SPaolo Bonzini cpu_to_be32(0x0), 19453018216SPaolo Bonzini cpu_to_be32(0x0), 19553018216SPaolo Bonzini cpu_to_be32(cpu->numa_node), 19653018216SPaolo Bonzini cpu_to_be32(cpu->cpu_index)}; 19753018216SPaolo Bonzini 19853018216SPaolo Bonzini if ((cpu->cpu_index % smt) != 0) { 19953018216SPaolo Bonzini continue; 20053018216SPaolo Bonzini } 20153018216SPaolo Bonzini 20253018216SPaolo Bonzini snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model, 20353018216SPaolo Bonzini cpu->cpu_index); 20453018216SPaolo Bonzini 20553018216SPaolo Bonzini offset = fdt_path_offset(fdt, cpu_model); 20653018216SPaolo Bonzini if (offset < 0) { 20753018216SPaolo Bonzini return offset; 20853018216SPaolo Bonzini } 20953018216SPaolo Bonzini 21053018216SPaolo Bonzini if (nb_numa_nodes > 1) { 21153018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 21253018216SPaolo Bonzini sizeof(associativity)); 21353018216SPaolo Bonzini if (ret < 0) { 21453018216SPaolo Bonzini return ret; 21553018216SPaolo Bonzini } 21653018216SPaolo Bonzini } 21753018216SPaolo Bonzini 21853018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 21953018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 22053018216SPaolo Bonzini if (ret < 0) { 22153018216SPaolo Bonzini return ret; 22253018216SPaolo Bonzini } 22353018216SPaolo Bonzini } 22453018216SPaolo Bonzini return ret; 22553018216SPaolo Bonzini } 22653018216SPaolo Bonzini 22753018216SPaolo Bonzini 22853018216SPaolo Bonzini static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop, 22953018216SPaolo Bonzini size_t maxsize) 23053018216SPaolo Bonzini { 23153018216SPaolo Bonzini size_t maxcells = maxsize / sizeof(uint32_t); 23253018216SPaolo Bonzini int i, j, count; 23353018216SPaolo Bonzini uint32_t *p = prop; 23453018216SPaolo Bonzini 23553018216SPaolo Bonzini for (i = 0; i < PPC_PAGE_SIZES_MAX_SZ; i++) { 23653018216SPaolo Bonzini struct ppc_one_seg_page_size *sps = &env->sps.sps[i]; 23753018216SPaolo Bonzini 23853018216SPaolo Bonzini if (!sps->page_shift) { 23953018216SPaolo Bonzini break; 24053018216SPaolo Bonzini } 24153018216SPaolo Bonzini for (count = 0; count < PPC_PAGE_SIZES_MAX_SZ; count++) { 24253018216SPaolo Bonzini if (sps->enc[count].page_shift == 0) { 24353018216SPaolo Bonzini break; 24453018216SPaolo Bonzini } 24553018216SPaolo Bonzini } 24653018216SPaolo Bonzini if ((p - prop) >= (maxcells - 3 - count * 2)) { 24753018216SPaolo Bonzini break; 24853018216SPaolo Bonzini } 24953018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->page_shift); 25053018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->slb_enc); 25153018216SPaolo Bonzini *(p++) = cpu_to_be32(count); 25253018216SPaolo Bonzini for (j = 0; j < count; j++) { 25353018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].page_shift); 25453018216SPaolo Bonzini *(p++) = cpu_to_be32(sps->enc[j].pte_enc); 25553018216SPaolo Bonzini } 25653018216SPaolo Bonzini } 25753018216SPaolo Bonzini 25853018216SPaolo Bonzini return (p - prop) * sizeof(uint32_t); 25953018216SPaolo Bonzini } 26053018216SPaolo Bonzini 26153018216SPaolo Bonzini #define _FDT(exp) \ 26253018216SPaolo Bonzini do { \ 26353018216SPaolo Bonzini int ret = (exp); \ 26453018216SPaolo Bonzini if (ret < 0) { \ 26553018216SPaolo Bonzini fprintf(stderr, "qemu: error creating device tree: %s: %s\n", \ 26653018216SPaolo Bonzini #exp, fdt_strerror(ret)); \ 26753018216SPaolo Bonzini exit(1); \ 26853018216SPaolo Bonzini } \ 26953018216SPaolo Bonzini } while (0) 27053018216SPaolo Bonzini 27153018216SPaolo Bonzini 27253018216SPaolo Bonzini static void *spapr_create_fdt_skel(const char *cpu_model, 27353018216SPaolo Bonzini hwaddr initrd_base, 27453018216SPaolo Bonzini hwaddr initrd_size, 27553018216SPaolo Bonzini hwaddr kernel_size, 27616457e7fSBenjamin Herrenschmidt bool little_endian, 27753018216SPaolo Bonzini const char *boot_device, 27853018216SPaolo Bonzini const char *kernel_cmdline, 27953018216SPaolo Bonzini uint32_t epow_irq) 28053018216SPaolo Bonzini { 28153018216SPaolo Bonzini void *fdt; 282182735efSAndreas Färber CPUState *cs; 28353018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 28453018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 28553018216SPaolo Bonzini char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt" 28642561bf2SAnton Blanchard "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode"; 28753018216SPaolo Bonzini char qemu_hypertas_prop[] = "hcall-memop1"; 28853018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 28953018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 29053018216SPaolo Bonzini char *modelname; 29153018216SPaolo Bonzini int i, smt = kvmppc_smt_threads(); 29253018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 29353018216SPaolo Bonzini 29453018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 29553018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 29653018216SPaolo Bonzini 29753018216SPaolo Bonzini if (kernel_size) { 29853018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 29953018216SPaolo Bonzini } 30053018216SPaolo Bonzini if (initrd_size) { 30153018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 30253018216SPaolo Bonzini } 30353018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 30453018216SPaolo Bonzini 30553018216SPaolo Bonzini /* Root node */ 30653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 30753018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 30853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 309fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 31053018216SPaolo Bonzini 31153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 31253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 31353018216SPaolo Bonzini 31453018216SPaolo Bonzini /* /chosen */ 31553018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 31653018216SPaolo Bonzini 31753018216SPaolo Bonzini /* Set Form1_affinity */ 31853018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 31953018216SPaolo Bonzini 32053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 32153018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 32253018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 32353018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 32453018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 32553018216SPaolo Bonzini if (kernel_size) { 32653018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 32753018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 32853018216SPaolo Bonzini 32953018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 33016457e7fSBenjamin Herrenschmidt if (little_endian) { 33116457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 33216457e7fSBenjamin Herrenschmidt } 33353018216SPaolo Bonzini } 33453018216SPaolo Bonzini if (boot_device) { 33553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 33653018216SPaolo Bonzini } 33753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 33853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 33953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 34053018216SPaolo Bonzini 34153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 34253018216SPaolo Bonzini 34353018216SPaolo Bonzini /* cpus */ 34453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 34553018216SPaolo Bonzini 34653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 34753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 34853018216SPaolo Bonzini 34953018216SPaolo Bonzini modelname = g_strdup(cpu_model); 35053018216SPaolo Bonzini 35153018216SPaolo Bonzini for (i = 0; i < strlen(modelname); i++) { 35253018216SPaolo Bonzini modelname[i] = toupper(modelname[i]); 35353018216SPaolo Bonzini } 35453018216SPaolo Bonzini 35553018216SPaolo Bonzini /* This is needed during FDT finalization */ 35653018216SPaolo Bonzini spapr->cpu_model = g_strdup(modelname); 35753018216SPaolo Bonzini 358bdc44640SAndreas Färber CPU_FOREACH(cs) { 359182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 360182735efSAndreas Färber CPUPPCState *env = &cpu->env; 361182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 362182735efSAndreas Färber int index = cs->cpu_index; 36353018216SPaolo Bonzini uint32_t servers_prop[smp_threads]; 36453018216SPaolo Bonzini uint32_t gservers_prop[smp_threads * 2]; 36553018216SPaolo Bonzini char *nodename; 36653018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 36753018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 36853018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 36953018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 37053018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 37153018216SPaolo Bonzini size_t page_sizes_prop_size; 37253018216SPaolo Bonzini 37353018216SPaolo Bonzini if ((index % smt) != 0) { 37453018216SPaolo Bonzini continue; 37553018216SPaolo Bonzini } 37653018216SPaolo Bonzini 37753018216SPaolo Bonzini nodename = g_strdup_printf("%s@%x", modelname, index); 37853018216SPaolo Bonzini 37953018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 38053018216SPaolo Bonzini 38153018216SPaolo Bonzini g_free(nodename); 38253018216SPaolo Bonzini 38353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 38453018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 38553018216SPaolo Bonzini 38653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 3870cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 38853018216SPaolo Bonzini env->dcache_line_size))); 3890cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 3900cbad81fSDavid Gibson env->dcache_line_size))); 3910cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 39253018216SPaolo Bonzini env->icache_line_size))); 3930cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 3940cbad81fSDavid Gibson env->icache_line_size))); 3950cbad81fSDavid Gibson 3960cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 3970cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 3980cbad81fSDavid Gibson } else { 3990cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 4000cbad81fSDavid Gibson } 4010cbad81fSDavid Gibson if (pcc->l1_icache_size) { 4020cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 4030cbad81fSDavid Gibson } else { 4040cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 4050cbad81fSDavid Gibson } 4060cbad81fSDavid Gibson 40753018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 40853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 40953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 41053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 41153018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 41253018216SPaolo Bonzini 41353018216SPaolo Bonzini /* Build interrupt servers and gservers properties */ 41453018216SPaolo Bonzini for (i = 0; i < smp_threads; i++) { 41553018216SPaolo Bonzini servers_prop[i] = cpu_to_be32(index + i); 41653018216SPaolo Bonzini /* Hack, direct the group queues back to cpu 0 */ 41753018216SPaolo Bonzini gservers_prop[i*2] = cpu_to_be32(index + i); 41853018216SPaolo Bonzini gservers_prop[i*2 + 1] = 0; 41953018216SPaolo Bonzini } 42053018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-server#s", 42153018216SPaolo Bonzini servers_prop, sizeof(servers_prop)))); 42253018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s", 42353018216SPaolo Bonzini gservers_prop, sizeof(gservers_prop)))); 42453018216SPaolo Bonzini 425dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 426dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 427dcb861cbSAlexey Kardashevskiy } 428dcb861cbSAlexey Kardashevskiy 42953018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 43053018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 43153018216SPaolo Bonzini segs, sizeof(segs)))); 43253018216SPaolo Bonzini } 43353018216SPaolo Bonzini 43453018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 43553018216SPaolo Bonzini * 0 / no property == no vector extensions 43653018216SPaolo Bonzini * 1 == VMX / Altivec available 43753018216SPaolo Bonzini * 2 == VSX available */ 43853018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 43953018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 44053018216SPaolo Bonzini 44153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 44253018216SPaolo Bonzini } 44353018216SPaolo Bonzini 44453018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 44553018216SPaolo Bonzini * 0 / no property == no DFP 44653018216SPaolo Bonzini * 1 == DFP available */ 44753018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 44853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 44953018216SPaolo Bonzini } 45053018216SPaolo Bonzini 45153018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 45253018216SPaolo Bonzini sizeof(page_sizes_prop)); 45353018216SPaolo Bonzini if (page_sizes_prop_size) { 45453018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 45553018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 45653018216SPaolo Bonzini } 45753018216SPaolo Bonzini 45853018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 45953018216SPaolo Bonzini } 46053018216SPaolo Bonzini 46153018216SPaolo Bonzini g_free(modelname); 46253018216SPaolo Bonzini 46353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 46453018216SPaolo Bonzini 46553018216SPaolo Bonzini /* RTAS */ 46653018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 46753018216SPaolo Bonzini 46853018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop, 46953018216SPaolo Bonzini sizeof(hypertas_prop)))); 47053018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop, 47153018216SPaolo Bonzini sizeof(qemu_hypertas_prop)))); 47253018216SPaolo Bonzini 47353018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 47453018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 47553018216SPaolo Bonzini 47653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 47753018216SPaolo Bonzini 47853018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 47953018216SPaolo Bonzini 48053018216SPaolo Bonzini /* interrupt controller */ 48153018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 48253018216SPaolo Bonzini 48353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 48453018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 48553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 48653018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 48753018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 48853018216SPaolo Bonzini interrupt_server_ranges_prop, 48953018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 49053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 49153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 49253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 49353018216SPaolo Bonzini 49453018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 49553018216SPaolo Bonzini 49653018216SPaolo Bonzini /* vdevice */ 49753018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 49853018216SPaolo Bonzini 49953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 50053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 50153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 50253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 50353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 50453018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 50553018216SPaolo Bonzini 50653018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 50753018216SPaolo Bonzini 50853018216SPaolo Bonzini /* event-sources */ 50953018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 51053018216SPaolo Bonzini 51153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 51253018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 51353018216SPaolo Bonzini 51453018216SPaolo Bonzini return fdt; 51553018216SPaolo Bonzini } 51653018216SPaolo Bonzini 51753018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 51853018216SPaolo Bonzini { 51953018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 52053018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 52153018216SPaolo Bonzini cpu_to_be32(0x0)}; 52253018216SPaolo Bonzini char mem_name[32]; 52353018216SPaolo Bonzini hwaddr node0_size, mem_start; 52453018216SPaolo Bonzini uint64_t mem_reg_property[2]; 52553018216SPaolo Bonzini int i, off; 52653018216SPaolo Bonzini 52753018216SPaolo Bonzini /* memory node(s) */ 52853018216SPaolo Bonzini node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 52953018216SPaolo Bonzini if (spapr->rma_size > node0_size) { 53053018216SPaolo Bonzini spapr->rma_size = node0_size; 53153018216SPaolo Bonzini } 53253018216SPaolo Bonzini 53353018216SPaolo Bonzini /* RMA */ 53453018216SPaolo Bonzini mem_reg_property[0] = 0; 53553018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 53653018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 53753018216SPaolo Bonzini _FDT(off); 53853018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 53953018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 54053018216SPaolo Bonzini sizeof(mem_reg_property)))); 54153018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 54253018216SPaolo Bonzini sizeof(associativity)))); 54353018216SPaolo Bonzini 54453018216SPaolo Bonzini /* RAM: Node 0 */ 54553018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 54653018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 54753018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 54853018216SPaolo Bonzini 54953018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 55053018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 55153018216SPaolo Bonzini _FDT(off); 55253018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 55353018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 55453018216SPaolo Bonzini sizeof(mem_reg_property)))); 55553018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 55653018216SPaolo Bonzini sizeof(associativity)))); 55753018216SPaolo Bonzini } 55853018216SPaolo Bonzini 55953018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 56053018216SPaolo Bonzini mem_start = node0_size; 56153018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 56253018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 56353018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node_mem[i]); 56453018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 56553018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 56653018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 56753018216SPaolo Bonzini _FDT(off); 56853018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 56953018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 57053018216SPaolo Bonzini sizeof(mem_reg_property)))); 57153018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 57253018216SPaolo Bonzini sizeof(associativity)))); 57353018216SPaolo Bonzini mem_start += node_mem[i]; 57453018216SPaolo Bonzini } 57553018216SPaolo Bonzini 57653018216SPaolo Bonzini return 0; 57753018216SPaolo Bonzini } 57853018216SPaolo Bonzini 57953018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 58053018216SPaolo Bonzini hwaddr fdt_addr, 58153018216SPaolo Bonzini hwaddr rtas_addr, 58253018216SPaolo Bonzini hwaddr rtas_size) 58353018216SPaolo Bonzini { 58453018216SPaolo Bonzini int ret; 58553018216SPaolo Bonzini void *fdt; 58653018216SPaolo Bonzini sPAPRPHBState *phb; 58753018216SPaolo Bonzini 58853018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 58953018216SPaolo Bonzini 59053018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 59153018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 59253018216SPaolo Bonzini 59353018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 59453018216SPaolo Bonzini if (ret < 0) { 59553018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 59653018216SPaolo Bonzini exit(1); 59753018216SPaolo Bonzini } 59853018216SPaolo Bonzini 59953018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 60053018216SPaolo Bonzini if (ret < 0) { 60153018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 60253018216SPaolo Bonzini exit(1); 60353018216SPaolo Bonzini } 60453018216SPaolo Bonzini 60553018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 60653018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 60753018216SPaolo Bonzini } 60853018216SPaolo Bonzini 60953018216SPaolo Bonzini if (ret < 0) { 61053018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 61153018216SPaolo Bonzini exit(1); 61253018216SPaolo Bonzini } 61353018216SPaolo Bonzini 61453018216SPaolo Bonzini /* RTAS */ 61553018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 61653018216SPaolo Bonzini if (ret < 0) { 61753018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 61853018216SPaolo Bonzini } 61953018216SPaolo Bonzini 62053018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 62153018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 62253018216SPaolo Bonzini if (ret < 0) { 62353018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 62453018216SPaolo Bonzini } 62553018216SPaolo Bonzini 62653018216SPaolo Bonzini if (!spapr->has_graphics) { 62753018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 62853018216SPaolo Bonzini } 62953018216SPaolo Bonzini 63053018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 63153018216SPaolo Bonzini 63253018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 63353018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 63453018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 63553018216SPaolo Bonzini exit(1); 63653018216SPaolo Bonzini } 63753018216SPaolo Bonzini 63853018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 63953018216SPaolo Bonzini 64053018216SPaolo Bonzini g_free(fdt); 64153018216SPaolo Bonzini } 64253018216SPaolo Bonzini 64353018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 64453018216SPaolo Bonzini { 64553018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 64653018216SPaolo Bonzini } 64753018216SPaolo Bonzini 64853018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 64953018216SPaolo Bonzini { 65053018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 65153018216SPaolo Bonzini 65253018216SPaolo Bonzini if (msr_pr) { 65353018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 65453018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 65553018216SPaolo Bonzini } else { 65653018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 65753018216SPaolo Bonzini } 65853018216SPaolo Bonzini } 65953018216SPaolo Bonzini 66053018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 66153018216SPaolo Bonzini { 66253018216SPaolo Bonzini long shift; 66353018216SPaolo Bonzini 66453018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 66553018216SPaolo Bonzini * later we should probably make it scale to the size of guest 66653018216SPaolo Bonzini * RAM */ 66753018216SPaolo Bonzini 66853018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 66953018216SPaolo Bonzini 67053018216SPaolo Bonzini if (shift > 0) { 67153018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 67253018216SPaolo Bonzini spapr->htab_shift = shift; 67353018216SPaolo Bonzini } else { 67453018216SPaolo Bonzini if (!spapr->htab) { 67553018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 67653018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 67753018216SPaolo Bonzini } 67853018216SPaolo Bonzini 67953018216SPaolo Bonzini /* And clear it */ 68053018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 68153018216SPaolo Bonzini } 68253018216SPaolo Bonzini 68353018216SPaolo Bonzini /* Update the RMA size if necessary */ 68453018216SPaolo Bonzini if (spapr->vrma_adjust) { 68553018216SPaolo Bonzini spapr->rma_size = kvmppc_rma_size(ram_size, spapr->htab_shift); 68653018216SPaolo Bonzini } 68753018216SPaolo Bonzini } 68853018216SPaolo Bonzini 68953018216SPaolo Bonzini static void ppc_spapr_reset(void) 69053018216SPaolo Bonzini { 691182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 692259186a7SAndreas Färber 69353018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 69453018216SPaolo Bonzini spapr_reset_htab(spapr); 69553018216SPaolo Bonzini 69653018216SPaolo Bonzini qemu_devices_reset(); 69753018216SPaolo Bonzini 69853018216SPaolo Bonzini /* Load the fdt */ 69953018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 70053018216SPaolo Bonzini spapr->rtas_size); 70153018216SPaolo Bonzini 70253018216SPaolo Bonzini /* Set up the entry state */ 703182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 704182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 705182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 706182735efSAndreas Färber first_cpu->halted = 0; 707182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 70853018216SPaolo Bonzini 70953018216SPaolo Bonzini } 71053018216SPaolo Bonzini 71153018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 71253018216SPaolo Bonzini { 71353018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 714259186a7SAndreas Färber CPUState *cs = CPU(cpu); 71553018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 71653018216SPaolo Bonzini 717259186a7SAndreas Färber cpu_reset(cs); 71853018216SPaolo Bonzini 71953018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 72053018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 72153018216SPaolo Bonzini * using an RTAS call */ 722259186a7SAndreas Färber cs->halted = 1; 72353018216SPaolo Bonzini 72453018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 72553018216SPaolo Bonzini 7264be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 72753018216SPaolo Bonzini env->htab_base = -1; 72853018216SPaolo Bonzini env->htab_mask = HTAB_SIZE(spapr) - 1; 729ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 73053018216SPaolo Bonzini (spapr->htab_shift - 18); 73153018216SPaolo Bonzini } 73253018216SPaolo Bonzini 73353018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 73453018216SPaolo Bonzini { 7352ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 7362ff3de68SMarkus Armbruster const char *drivename = qemu_opt_get(qemu_get_machine_opts(), "nvram"); 73753018216SPaolo Bonzini 73853018216SPaolo Bonzini if (drivename) { 73953018216SPaolo Bonzini BlockDriverState *bs; 74053018216SPaolo Bonzini 74153018216SPaolo Bonzini bs = bdrv_find(drivename); 74253018216SPaolo Bonzini if (!bs) { 74353018216SPaolo Bonzini fprintf(stderr, "No such block device \"%s\" for nvram\n", 74453018216SPaolo Bonzini drivename); 74553018216SPaolo Bonzini exit(1); 74653018216SPaolo Bonzini } 74753018216SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", bs); 74853018216SPaolo Bonzini } 74953018216SPaolo Bonzini 75053018216SPaolo Bonzini qdev_init_nofail(dev); 75153018216SPaolo Bonzini 75253018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 75353018216SPaolo Bonzini } 75453018216SPaolo Bonzini 75553018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 75653018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 75753018216SPaolo Bonzini { 75853018216SPaolo Bonzini switch (vga_interface_type) { 75953018216SPaolo Bonzini case VGA_NONE: 76053018216SPaolo Bonzini case VGA_STD: 76153018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 76253018216SPaolo Bonzini default: 76353018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 76453018216SPaolo Bonzini "currently it only supports -vga std\n"); 76553018216SPaolo Bonzini exit(0); 76653018216SPaolo Bonzini break; 76753018216SPaolo Bonzini } 76853018216SPaolo Bonzini } 76953018216SPaolo Bonzini 7704be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 7714be21d56SDavid Gibson .name = "spapr", 7724be21d56SDavid Gibson .version_id = 1, 7734be21d56SDavid Gibson .minimum_version_id = 1, 7744be21d56SDavid Gibson .minimum_version_id_old = 1, 7754be21d56SDavid Gibson .fields = (VMStateField []) { 7764be21d56SDavid Gibson VMSTATE_UINT32(next_irq, sPAPREnvironment), 7774be21d56SDavid Gibson 7784be21d56SDavid Gibson /* RTC offset */ 7794be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 7804be21d56SDavid Gibson 7814be21d56SDavid Gibson VMSTATE_END_OF_LIST() 7824be21d56SDavid Gibson }, 7834be21d56SDavid Gibson }; 7844be21d56SDavid Gibson 7854be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 7864be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 7874be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 7884be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 7894be21d56SDavid Gibson 7904be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 7914be21d56SDavid Gibson { 7924be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 7934be21d56SDavid Gibson 7944be21d56SDavid Gibson /* "Iteration" header */ 7954be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 7964be21d56SDavid Gibson 797e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 798e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 799e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 800e68cb8b4SAlexey Kardashevskiy } else { 801e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 802e68cb8b4SAlexey Kardashevskiy 803e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 804e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 805e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 806e68cb8b4SAlexey Kardashevskiy strerror(errno)); 807e68cb8b4SAlexey Kardashevskiy return -1; 808e68cb8b4SAlexey Kardashevskiy } 8094be21d56SDavid Gibson } 8104be21d56SDavid Gibson 811e68cb8b4SAlexey Kardashevskiy 812e68cb8b4SAlexey Kardashevskiy return 0; 813e68cb8b4SAlexey Kardashevskiy } 8144be21d56SDavid Gibson 8154be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 8164be21d56SDavid Gibson int64_t max_ns) 8174be21d56SDavid Gibson { 8184be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 8194be21d56SDavid Gibson int index = spapr->htab_save_index; 820bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 8214be21d56SDavid Gibson 8224be21d56SDavid Gibson assert(spapr->htab_first_pass); 8234be21d56SDavid Gibson 8244be21d56SDavid Gibson do { 8254be21d56SDavid Gibson int chunkstart; 8264be21d56SDavid Gibson 8274be21d56SDavid Gibson /* Consume invalid HPTEs */ 8284be21d56SDavid Gibson while ((index < htabslots) 8294be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 8304be21d56SDavid Gibson index++; 8314be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 8324be21d56SDavid Gibson } 8334be21d56SDavid Gibson 8344be21d56SDavid Gibson /* Consume valid HPTEs */ 8354be21d56SDavid Gibson chunkstart = index; 8364be21d56SDavid Gibson while ((index < htabslots) 8374be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 8384be21d56SDavid Gibson index++; 8394be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 8404be21d56SDavid Gibson } 8414be21d56SDavid Gibson 8424be21d56SDavid Gibson if (index > chunkstart) { 8434be21d56SDavid Gibson int n_valid = index - chunkstart; 8444be21d56SDavid Gibson 8454be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 8464be21d56SDavid Gibson qemu_put_be16(f, n_valid); 8474be21d56SDavid Gibson qemu_put_be16(f, 0); 8484be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 8494be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 8504be21d56SDavid Gibson 851bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 8524be21d56SDavid Gibson break; 8534be21d56SDavid Gibson } 8544be21d56SDavid Gibson } 8554be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 8564be21d56SDavid Gibson 8574be21d56SDavid Gibson if (index >= htabslots) { 8584be21d56SDavid Gibson assert(index == htabslots); 8594be21d56SDavid Gibson index = 0; 8604be21d56SDavid Gibson spapr->htab_first_pass = false; 8614be21d56SDavid Gibson } 8624be21d56SDavid Gibson spapr->htab_save_index = index; 8634be21d56SDavid Gibson } 8644be21d56SDavid Gibson 865e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 8664be21d56SDavid Gibson int64_t max_ns) 8674be21d56SDavid Gibson { 8684be21d56SDavid Gibson bool final = max_ns < 0; 8694be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 8704be21d56SDavid Gibson int examined = 0, sent = 0; 8714be21d56SDavid Gibson int index = spapr->htab_save_index; 872bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 8734be21d56SDavid Gibson 8744be21d56SDavid Gibson assert(!spapr->htab_first_pass); 8754be21d56SDavid Gibson 8764be21d56SDavid Gibson do { 8774be21d56SDavid Gibson int chunkstart, invalidstart; 8784be21d56SDavid Gibson 8794be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 8804be21d56SDavid Gibson while ((index < htabslots) 8814be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 8824be21d56SDavid Gibson index++; 8834be21d56SDavid Gibson examined++; 8844be21d56SDavid Gibson } 8854be21d56SDavid Gibson 8864be21d56SDavid Gibson chunkstart = index; 8874be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 8884be21d56SDavid Gibson while ((index < htabslots) 8894be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 8904be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 8914be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 8924be21d56SDavid Gibson index++; 8934be21d56SDavid Gibson examined++; 8944be21d56SDavid Gibson } 8954be21d56SDavid Gibson 8964be21d56SDavid Gibson invalidstart = index; 8974be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 8984be21d56SDavid Gibson while ((index < htabslots) 8994be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 9004be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 9014be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9024be21d56SDavid Gibson index++; 9034be21d56SDavid Gibson examined++; 9044be21d56SDavid Gibson } 9054be21d56SDavid Gibson 9064be21d56SDavid Gibson if (index > chunkstart) { 9074be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 9084be21d56SDavid Gibson int n_invalid = index - invalidstart; 9094be21d56SDavid Gibson 9104be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 9114be21d56SDavid Gibson qemu_put_be16(f, n_valid); 9124be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 9134be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 9144be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 9154be21d56SDavid Gibson sent += index - chunkstart; 9164be21d56SDavid Gibson 917bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 9184be21d56SDavid Gibson break; 9194be21d56SDavid Gibson } 9204be21d56SDavid Gibson } 9214be21d56SDavid Gibson 9224be21d56SDavid Gibson if (examined >= htabslots) { 9234be21d56SDavid Gibson break; 9244be21d56SDavid Gibson } 9254be21d56SDavid Gibson 9264be21d56SDavid Gibson if (index >= htabslots) { 9274be21d56SDavid Gibson assert(index == htabslots); 9284be21d56SDavid Gibson index = 0; 9294be21d56SDavid Gibson } 9304be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 9314be21d56SDavid Gibson 9324be21d56SDavid Gibson if (index >= htabslots) { 9334be21d56SDavid Gibson assert(index == htabslots); 9344be21d56SDavid Gibson index = 0; 9354be21d56SDavid Gibson } 9364be21d56SDavid Gibson 9374be21d56SDavid Gibson spapr->htab_save_index = index; 9384be21d56SDavid Gibson 939e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 9404be21d56SDavid Gibson } 9414be21d56SDavid Gibson 942e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 943e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 944e68cb8b4SAlexey Kardashevskiy 9454be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 9464be21d56SDavid Gibson { 9474be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 948e68cb8b4SAlexey Kardashevskiy int rc = 0; 9494be21d56SDavid Gibson 9504be21d56SDavid Gibson /* Iteration header */ 9514be21d56SDavid Gibson qemu_put_be32(f, 0); 9524be21d56SDavid Gibson 953e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 954e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 955e68cb8b4SAlexey Kardashevskiy 956e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 957e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 958e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 959e68cb8b4SAlexey Kardashevskiy return rc; 960e68cb8b4SAlexey Kardashevskiy } 961e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 9624be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 9634be21d56SDavid Gibson } else { 964e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 9654be21d56SDavid Gibson } 9664be21d56SDavid Gibson 9674be21d56SDavid Gibson /* End marker */ 9684be21d56SDavid Gibson qemu_put_be32(f, 0); 9694be21d56SDavid Gibson qemu_put_be16(f, 0); 9704be21d56SDavid Gibson qemu_put_be16(f, 0); 9714be21d56SDavid Gibson 972e68cb8b4SAlexey Kardashevskiy return rc; 9734be21d56SDavid Gibson } 9744be21d56SDavid Gibson 9754be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 9764be21d56SDavid Gibson { 9774be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 9784be21d56SDavid Gibson 9794be21d56SDavid Gibson /* Iteration header */ 9804be21d56SDavid Gibson qemu_put_be32(f, 0); 9814be21d56SDavid Gibson 982e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 983e68cb8b4SAlexey Kardashevskiy int rc; 984e68cb8b4SAlexey Kardashevskiy 985e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 986e68cb8b4SAlexey Kardashevskiy 987e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 988e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 989e68cb8b4SAlexey Kardashevskiy return rc; 990e68cb8b4SAlexey Kardashevskiy } 991e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 992e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 993e68cb8b4SAlexey Kardashevskiy } else { 9944be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 995e68cb8b4SAlexey Kardashevskiy } 9964be21d56SDavid Gibson 9974be21d56SDavid Gibson /* End marker */ 9984be21d56SDavid Gibson qemu_put_be32(f, 0); 9994be21d56SDavid Gibson qemu_put_be16(f, 0); 10004be21d56SDavid Gibson qemu_put_be16(f, 0); 10014be21d56SDavid Gibson 10024be21d56SDavid Gibson return 0; 10034be21d56SDavid Gibson } 10044be21d56SDavid Gibson 10054be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 10064be21d56SDavid Gibson { 10074be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 10084be21d56SDavid Gibson uint32_t section_hdr; 1009e68cb8b4SAlexey Kardashevskiy int fd = -1; 10104be21d56SDavid Gibson 10114be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 10124be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 10134be21d56SDavid Gibson return -EINVAL; 10144be21d56SDavid Gibson } 10154be21d56SDavid Gibson 10164be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 10174be21d56SDavid Gibson 10184be21d56SDavid Gibson if (section_hdr) { 10194be21d56SDavid Gibson /* First section, just the hash shift */ 10204be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 10214be21d56SDavid Gibson return -EINVAL; 10224be21d56SDavid Gibson } 10234be21d56SDavid Gibson return 0; 10244be21d56SDavid Gibson } 10254be21d56SDavid Gibson 1026e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1027e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1028e68cb8b4SAlexey Kardashevskiy 1029e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1030e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1031e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1032e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1033e68cb8b4SAlexey Kardashevskiy } 1034e68cb8b4SAlexey Kardashevskiy } 1035e68cb8b4SAlexey Kardashevskiy 10364be21d56SDavid Gibson while (true) { 10374be21d56SDavid Gibson uint32_t index; 10384be21d56SDavid Gibson uint16_t n_valid, n_invalid; 10394be21d56SDavid Gibson 10404be21d56SDavid Gibson index = qemu_get_be32(f); 10414be21d56SDavid Gibson n_valid = qemu_get_be16(f); 10424be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 10434be21d56SDavid Gibson 10444be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 10454be21d56SDavid Gibson /* End of Stream */ 10464be21d56SDavid Gibson break; 10474be21d56SDavid Gibson } 10484be21d56SDavid Gibson 1049e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 10504be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 10514be21d56SDavid Gibson /* Bad index in stream */ 10524be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1053e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1054e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 10554be21d56SDavid Gibson return -EINVAL; 10564be21d56SDavid Gibson } 10574be21d56SDavid Gibson 1058e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 10594be21d56SDavid Gibson if (n_valid) { 10604be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 10614be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 10624be21d56SDavid Gibson } 10634be21d56SDavid Gibson if (n_invalid) { 10644be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 10654be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 10664be21d56SDavid Gibson } 1067e68cb8b4SAlexey Kardashevskiy } else { 1068e68cb8b4SAlexey Kardashevskiy int rc; 1069e68cb8b4SAlexey Kardashevskiy 1070e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1071e68cb8b4SAlexey Kardashevskiy 1072e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1073e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1074e68cb8b4SAlexey Kardashevskiy return rc; 1075e68cb8b4SAlexey Kardashevskiy } 1076e68cb8b4SAlexey Kardashevskiy } 1077e68cb8b4SAlexey Kardashevskiy } 1078e68cb8b4SAlexey Kardashevskiy 1079e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1080e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1081e68cb8b4SAlexey Kardashevskiy close(fd); 10824be21d56SDavid Gibson } 10834be21d56SDavid Gibson 10844be21d56SDavid Gibson return 0; 10854be21d56SDavid Gibson } 10864be21d56SDavid Gibson 10874be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 10884be21d56SDavid Gibson .save_live_setup = htab_save_setup, 10894be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 10904be21d56SDavid Gibson .save_live_complete = htab_save_complete, 10914be21d56SDavid Gibson .load_state = htab_load, 10924be21d56SDavid Gibson }; 10934be21d56SDavid Gibson 109453018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 109553018216SPaolo Bonzini static void ppc_spapr_init(QEMUMachineInitArgs *args) 109653018216SPaolo Bonzini { 109753018216SPaolo Bonzini ram_addr_t ram_size = args->ram_size; 109853018216SPaolo Bonzini const char *cpu_model = args->cpu_model; 109953018216SPaolo Bonzini const char *kernel_filename = args->kernel_filename; 110053018216SPaolo Bonzini const char *kernel_cmdline = args->kernel_cmdline; 110153018216SPaolo Bonzini const char *initrd_filename = args->initrd_filename; 1102c1654732SMarkus Armbruster const char *boot_device = args->boot_order; 110353018216SPaolo Bonzini PowerPCCPU *cpu; 110453018216SPaolo Bonzini CPUPPCState *env; 110553018216SPaolo Bonzini PCIHostState *phb; 110653018216SPaolo Bonzini int i; 110753018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 110853018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 110953018216SPaolo Bonzini hwaddr rma_alloc_size; 111053018216SPaolo Bonzini uint32_t initrd_base = 0; 111153018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 111253018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 111316457e7fSBenjamin Herrenschmidt bool kernel_le = false; 111453018216SPaolo Bonzini char *filename; 111553018216SPaolo Bonzini 111653018216SPaolo Bonzini msi_supported = true; 111753018216SPaolo Bonzini 111853018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 111953018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 112053018216SPaolo Bonzini 112153018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 112253018216SPaolo Bonzini 112353018216SPaolo Bonzini /* Allocate RMA if necessary */ 112453018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 112553018216SPaolo Bonzini 112653018216SPaolo Bonzini if (rma_alloc_size == -1) { 112753018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 112853018216SPaolo Bonzini exit(1); 112953018216SPaolo Bonzini } 113053018216SPaolo Bonzini 113153018216SPaolo Bonzini if (rma_alloc_size && (rma_alloc_size < ram_size)) { 113253018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 113353018216SPaolo Bonzini } else { 113453018216SPaolo Bonzini spapr->rma_size = ram_size; 113553018216SPaolo Bonzini 113653018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 113753018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 113853018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 113953018216SPaolo Bonzini * 114053018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 114153018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 114253018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 114353018216SPaolo Bonzini * isn't determined yet. 114453018216SPaolo Bonzini */ 114553018216SPaolo Bonzini if (kvm_enabled()) { 114653018216SPaolo Bonzini spapr->vrma_adjust = 1; 114753018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 114853018216SPaolo Bonzini } 114953018216SPaolo Bonzini } 115053018216SPaolo Bonzini 115153018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 115253018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 115353018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 115453018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 115553018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 115653018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 115753018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 115853018216SPaolo Bonzini 115953018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 116053018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 116153018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 116253018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 116353018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 116453018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 116553018216SPaolo Bonzini break; 116653018216SPaolo Bonzini } 116753018216SPaolo Bonzini spapr->htab_shift++; 116853018216SPaolo Bonzini } 116953018216SPaolo Bonzini 11707b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 11717b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 11727b565160SDavid Gibson XICS_IRQS); 11737b565160SDavid Gibson spapr->next_irq = XICS_IRQ_BASE; 11747b565160SDavid Gibson 117553018216SPaolo Bonzini /* init CPUs */ 117653018216SPaolo Bonzini if (cpu_model == NULL) { 117753018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 117853018216SPaolo Bonzini } 117953018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 118053018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 118153018216SPaolo Bonzini if (cpu == NULL) { 118253018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 118353018216SPaolo Bonzini exit(1); 118453018216SPaolo Bonzini } 118553018216SPaolo Bonzini env = &cpu->env; 118653018216SPaolo Bonzini 118753018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 118853018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 118953018216SPaolo Bonzini 11902cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 11912cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 11922cf3eb6dSFabien Chouteau */ 11932cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 119453018216SPaolo Bonzini 119553018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 119653018216SPaolo Bonzini if (kvm_enabled()) { 119753018216SPaolo Bonzini kvmppc_set_papr(cpu); 119853018216SPaolo Bonzini } 119953018216SPaolo Bonzini 1200*24408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 1201*24408a7dSAlexey Kardashevskiy 120253018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 120353018216SPaolo Bonzini } 120453018216SPaolo Bonzini 120553018216SPaolo Bonzini /* allocate RAM */ 120653018216SPaolo Bonzini spapr->ram_limit = ram_size; 120753018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 120853018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 120953018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 121053018216SPaolo Bonzini 12112c9b15caSPaolo Bonzini memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size); 121253018216SPaolo Bonzini vmstate_register_ram_global(ram); 121353018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 121453018216SPaolo Bonzini } 121553018216SPaolo Bonzini 121653018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 121753018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 121853018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 121953018216SPaolo Bonzini if (spapr->rtas_size < 0) { 122053018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 122153018216SPaolo Bonzini exit(1); 122253018216SPaolo Bonzini } 122353018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 122453018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 122553018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 122653018216SPaolo Bonzini exit(1); 122753018216SPaolo Bonzini } 122853018216SPaolo Bonzini g_free(filename); 122953018216SPaolo Bonzini 123053018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 123153018216SPaolo Bonzini spapr_events_init(spapr); 123253018216SPaolo Bonzini 123353018216SPaolo Bonzini /* Set up VIO bus */ 123453018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 123553018216SPaolo Bonzini 123653018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 123753018216SPaolo Bonzini if (serial_hds[i]) { 123853018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 123953018216SPaolo Bonzini } 124053018216SPaolo Bonzini } 124153018216SPaolo Bonzini 124253018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 124353018216SPaolo Bonzini spapr_create_nvram(spapr); 124453018216SPaolo Bonzini 124553018216SPaolo Bonzini /* Set up PCI */ 1246f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 124753018216SPaolo Bonzini spapr_pci_rtas_init(); 124853018216SPaolo Bonzini 124989dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 125053018216SPaolo Bonzini 125153018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 125253018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 125353018216SPaolo Bonzini 125453018216SPaolo Bonzini if (!nd->model) { 125553018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 125653018216SPaolo Bonzini } 125753018216SPaolo Bonzini 125853018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 125953018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 126053018216SPaolo Bonzini } else { 126129b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 126253018216SPaolo Bonzini } 126353018216SPaolo Bonzini } 126453018216SPaolo Bonzini 126553018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 126653018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 126753018216SPaolo Bonzini } 126853018216SPaolo Bonzini 126953018216SPaolo Bonzini /* Graphics */ 127053018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 127153018216SPaolo Bonzini spapr->has_graphics = true; 127253018216SPaolo Bonzini } 127353018216SPaolo Bonzini 127453018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 127553018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 127653018216SPaolo Bonzini if (spapr->has_graphics) { 127753018216SPaolo Bonzini usbdevice_create("keyboard"); 127853018216SPaolo Bonzini usbdevice_create("mouse"); 127953018216SPaolo Bonzini } 128053018216SPaolo Bonzini } 128153018216SPaolo Bonzini 128253018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 128353018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 128453018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 128553018216SPaolo Bonzini exit(1); 128653018216SPaolo Bonzini } 128753018216SPaolo Bonzini 128853018216SPaolo Bonzini if (kernel_filename) { 128953018216SPaolo Bonzini uint64_t lowaddr = 0; 129053018216SPaolo Bonzini 129153018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 129253018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 129353018216SPaolo Bonzini if (kernel_size < 0) { 129416457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 129516457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 129616457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 129716457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 129816457e7fSBenjamin Herrenschmidt } 129916457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 130053018216SPaolo Bonzini kernel_size = load_image_targphys(kernel_filename, 130153018216SPaolo Bonzini KERNEL_LOAD_ADDR, 130253018216SPaolo Bonzini load_limit - KERNEL_LOAD_ADDR); 130353018216SPaolo Bonzini } 130453018216SPaolo Bonzini if (kernel_size < 0) { 130553018216SPaolo Bonzini fprintf(stderr, "qemu: could not load kernel '%s'\n", 130653018216SPaolo Bonzini kernel_filename); 130753018216SPaolo Bonzini exit(1); 130853018216SPaolo Bonzini } 130953018216SPaolo Bonzini 131053018216SPaolo Bonzini /* load initrd */ 131153018216SPaolo Bonzini if (initrd_filename) { 131253018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 131353018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 131453018216SPaolo Bonzini */ 131553018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 131653018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 131753018216SPaolo Bonzini load_limit - initrd_base); 131853018216SPaolo Bonzini if (initrd_size < 0) { 131953018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 132053018216SPaolo Bonzini initrd_filename); 132153018216SPaolo Bonzini exit(1); 132253018216SPaolo Bonzini } 132353018216SPaolo Bonzini } else { 132453018216SPaolo Bonzini initrd_base = 0; 132553018216SPaolo Bonzini initrd_size = 0; 132653018216SPaolo Bonzini } 132753018216SPaolo Bonzini } 132853018216SPaolo Bonzini 13298e7ea787SAndreas Färber if (bios_name == NULL) { 13308e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 13318e7ea787SAndreas Färber } 13328e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 133353018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 133453018216SPaolo Bonzini if (fw_size < 0) { 133553018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 133653018216SPaolo Bonzini exit(1); 133753018216SPaolo Bonzini } 133853018216SPaolo Bonzini g_free(filename); 133953018216SPaolo Bonzini 134053018216SPaolo Bonzini spapr->entry_point = 0x100; 134153018216SPaolo Bonzini 13424be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 13434be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 13444be21d56SDavid Gibson &savevm_htab_handlers, spapr); 13454be21d56SDavid Gibson 134653018216SPaolo Bonzini /* Prepare the device tree */ 134753018216SPaolo Bonzini spapr->fdt_skel = spapr_create_fdt_skel(cpu_model, 134853018216SPaolo Bonzini initrd_base, initrd_size, 134916457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 135053018216SPaolo Bonzini boot_device, kernel_cmdline, 135153018216SPaolo Bonzini spapr->epow_irq); 135253018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 135353018216SPaolo Bonzini } 135453018216SPaolo Bonzini 135553018216SPaolo Bonzini static QEMUMachine spapr_machine = { 135653018216SPaolo Bonzini .name = "pseries", 135753018216SPaolo Bonzini .desc = "pSeries Logical Partition (PAPR compliant)", 1358159f8286SDavid Gibson .is_default = 1, 135953018216SPaolo Bonzini .init = ppc_spapr_init, 136053018216SPaolo Bonzini .reset = ppc_spapr_reset, 136153018216SPaolo Bonzini .block_default_type = IF_SCSI, 136253018216SPaolo Bonzini .max_cpus = MAX_CPUS, 136353018216SPaolo Bonzini .no_parallel = 1, 1364c1654732SMarkus Armbruster .default_boot_order = NULL, 136553018216SPaolo Bonzini }; 136653018216SPaolo Bonzini 136753018216SPaolo Bonzini static void spapr_machine_init(void) 136853018216SPaolo Bonzini { 136953018216SPaolo Bonzini qemu_register_machine(&spapr_machine); 137053018216SPaolo Bonzini } 137153018216SPaolo Bonzini 137253018216SPaolo Bonzini machine_init(spapr_machine_init); 1373