153018216SPaolo Bonzini /* 253018216SPaolo Bonzini * QEMU PowerPC pSeries Logical Partition (aka sPAPR) hardware System Emulator 353018216SPaolo Bonzini * 453018216SPaolo Bonzini * Copyright (c) 2004-2007 Fabrice Bellard 553018216SPaolo Bonzini * Copyright (c) 2007 Jocelyn Mayer 653018216SPaolo Bonzini * Copyright (c) 2010 David Gibson, IBM Corporation. 753018216SPaolo Bonzini * 853018216SPaolo Bonzini * Permission is hereby granted, free of charge, to any person obtaining a copy 953018216SPaolo Bonzini * of this software and associated documentation files (the "Software"), to deal 1053018216SPaolo Bonzini * in the Software without restriction, including without limitation the rights 1153018216SPaolo Bonzini * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 1253018216SPaolo Bonzini * copies of the Software, and to permit persons to whom the Software is 1353018216SPaolo Bonzini * furnished to do so, subject to the following conditions: 1453018216SPaolo Bonzini * 1553018216SPaolo Bonzini * The above copyright notice and this permission notice shall be included in 1653018216SPaolo Bonzini * all copies or substantial portions of the Software. 1753018216SPaolo Bonzini * 1853018216SPaolo Bonzini * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1953018216SPaolo Bonzini * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 2053018216SPaolo Bonzini * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2153018216SPaolo Bonzini * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2253018216SPaolo Bonzini * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 2353018216SPaolo Bonzini * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 2453018216SPaolo Bonzini * THE SOFTWARE. 2553018216SPaolo Bonzini * 2653018216SPaolo Bonzini */ 2753018216SPaolo Bonzini #include "sysemu/sysemu.h" 2853018216SPaolo Bonzini #include "hw/hw.h" 2971461b0fSAlexey Kardashevskiy #include "hw/fw-path-provider.h" 3053018216SPaolo Bonzini #include "elf.h" 3153018216SPaolo Bonzini #include "net/net.h" 3253018216SPaolo Bonzini #include "sysemu/blockdev.h" 3353018216SPaolo Bonzini #include "sysemu/cpus.h" 3453018216SPaolo Bonzini #include "sysemu/kvm.h" 3553018216SPaolo Bonzini #include "kvm_ppc.h" 364be21d56SDavid Gibson #include "mmu-hash64.h" 3753018216SPaolo Bonzini 3853018216SPaolo Bonzini #include "hw/boards.h" 390d09e41aSPaolo Bonzini #include "hw/ppc/ppc.h" 4053018216SPaolo Bonzini #include "hw/loader.h" 4153018216SPaolo Bonzini 420d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 430d09e41aSPaolo Bonzini #include "hw/ppc/spapr_vio.h" 440d09e41aSPaolo Bonzini #include "hw/pci-host/spapr.h" 450d09e41aSPaolo Bonzini #include "hw/ppc/xics.h" 4653018216SPaolo Bonzini #include "hw/pci/msi.h" 4753018216SPaolo Bonzini 4853018216SPaolo Bonzini #include "hw/pci/pci.h" 4971461b0fSAlexey Kardashevskiy #include "hw/scsi/scsi.h" 5071461b0fSAlexey Kardashevskiy #include "hw/virtio/virtio-scsi.h" 5153018216SPaolo Bonzini 5253018216SPaolo Bonzini #include "exec/address-spaces.h" 5353018216SPaolo Bonzini #include "hw/usb.h" 5453018216SPaolo Bonzini #include "qemu/config-file.h" 55135a129aSAneesh Kumar K.V #include "qemu/error-report.h" 5653018216SPaolo Bonzini 5753018216SPaolo Bonzini #include <libfdt.h> 5853018216SPaolo Bonzini 5953018216SPaolo Bonzini /* SLOF memory layout: 6053018216SPaolo Bonzini * 6153018216SPaolo Bonzini * SLOF raw image loaded at 0, copies its romfs right below the flat 6253018216SPaolo Bonzini * device-tree, then position SLOF itself 31M below that 6353018216SPaolo Bonzini * 6453018216SPaolo Bonzini * So we set FW_OVERHEAD to 40MB which should account for all of that 6553018216SPaolo Bonzini * and more 6653018216SPaolo Bonzini * 6753018216SPaolo Bonzini * We load our kernel at 4M, leaving space for SLOF initial image 6853018216SPaolo Bonzini */ 693bf6eeddSAlexey Kardashevskiy #define FDT_MAX_SIZE 0x40000 7053018216SPaolo Bonzini #define RTAS_MAX_SIZE 0x10000 7153018216SPaolo Bonzini #define FW_MAX_SIZE 0x400000 7253018216SPaolo Bonzini #define FW_FILE_NAME "slof.bin" 7353018216SPaolo Bonzini #define FW_OVERHEAD 0x2800000 7453018216SPaolo Bonzini #define KERNEL_LOAD_ADDR FW_MAX_SIZE 7553018216SPaolo Bonzini 7653018216SPaolo Bonzini #define MIN_RMA_SLOF 128UL 7753018216SPaolo Bonzini 7853018216SPaolo Bonzini #define TIMEBASE_FREQ 512000000ULL 7953018216SPaolo Bonzini 8053018216SPaolo Bonzini #define MAX_CPUS 256 8153018216SPaolo Bonzini #define XICS_IRQS 1024 8253018216SPaolo Bonzini 8353018216SPaolo Bonzini #define PHANDLE_XICP 0x00001111 8453018216SPaolo Bonzini 8553018216SPaolo Bonzini #define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift)) 8653018216SPaolo Bonzini 8729ee3247SAlexey Kardashevskiy #define TYPE_SPAPR_MACHINE "spapr-machine" 8829ee3247SAlexey Kardashevskiy 8953018216SPaolo Bonzini sPAPREnvironment *spapr; 9053018216SPaolo Bonzini 9153018216SPaolo Bonzini int spapr_allocate_irq(int hint, bool lsi) 9253018216SPaolo Bonzini { 9353018216SPaolo Bonzini int irq; 9453018216SPaolo Bonzini 9553018216SPaolo Bonzini if (hint) { 9653018216SPaolo Bonzini irq = hint; 97f1c2dc7cSAlexey Kardashevskiy if (hint >= spapr->next_irq) { 98f1c2dc7cSAlexey Kardashevskiy spapr->next_irq = hint + 1; 99f1c2dc7cSAlexey Kardashevskiy } 10053018216SPaolo Bonzini /* FIXME: we should probably check for collisions somehow */ 10153018216SPaolo Bonzini } else { 10253018216SPaolo Bonzini irq = spapr->next_irq++; 10353018216SPaolo Bonzini } 10453018216SPaolo Bonzini 10553018216SPaolo Bonzini /* Configure irq type */ 10653018216SPaolo Bonzini if (!xics_get_qirq(spapr->icp, irq)) { 10753018216SPaolo Bonzini return 0; 10853018216SPaolo Bonzini } 10953018216SPaolo Bonzini 11053018216SPaolo Bonzini xics_set_irq_type(spapr->icp, irq, lsi); 11153018216SPaolo Bonzini 11253018216SPaolo Bonzini return irq; 11353018216SPaolo Bonzini } 11453018216SPaolo Bonzini 115f1c2dc7cSAlexey Kardashevskiy /* 116f1c2dc7cSAlexey Kardashevskiy * Allocate block of consequtive IRQs, returns a number of the first. 117f1c2dc7cSAlexey Kardashevskiy * If msi==true, aligns the first IRQ number to num. 118f1c2dc7cSAlexey Kardashevskiy */ 119f1c2dc7cSAlexey Kardashevskiy int spapr_allocate_irq_block(int num, bool lsi, bool msi) 12053018216SPaolo Bonzini { 12153018216SPaolo Bonzini int first = -1; 122f1c2dc7cSAlexey Kardashevskiy int i, hint = 0; 123f1c2dc7cSAlexey Kardashevskiy 124f1c2dc7cSAlexey Kardashevskiy /* 125f1c2dc7cSAlexey Kardashevskiy * MSIMesage::data is used for storing VIRQ so 126f1c2dc7cSAlexey Kardashevskiy * it has to be aligned to num to support multiple 127f1c2dc7cSAlexey Kardashevskiy * MSI vectors. MSI-X is not affected by this. 128f1c2dc7cSAlexey Kardashevskiy * The hint is used for the first IRQ, the rest should 12973f395faSStefan Weil * be allocated continuously. 130f1c2dc7cSAlexey Kardashevskiy */ 131f1c2dc7cSAlexey Kardashevskiy if (msi) { 132f1c2dc7cSAlexey Kardashevskiy assert((num == 1) || (num == 2) || (num == 4) || 133f1c2dc7cSAlexey Kardashevskiy (num == 8) || (num == 16) || (num == 32)); 134f1c2dc7cSAlexey Kardashevskiy hint = (spapr->next_irq + num - 1) & ~(num - 1); 135f1c2dc7cSAlexey Kardashevskiy } 13653018216SPaolo Bonzini 13753018216SPaolo Bonzini for (i = 0; i < num; ++i) { 13853018216SPaolo Bonzini int irq; 13953018216SPaolo Bonzini 140f1c2dc7cSAlexey Kardashevskiy irq = spapr_allocate_irq(hint, lsi); 14153018216SPaolo Bonzini if (!irq) { 14253018216SPaolo Bonzini return -1; 14353018216SPaolo Bonzini } 14453018216SPaolo Bonzini 14553018216SPaolo Bonzini if (0 == i) { 14653018216SPaolo Bonzini first = irq; 147f1c2dc7cSAlexey Kardashevskiy hint = 0; 14853018216SPaolo Bonzini } 14953018216SPaolo Bonzini 15053018216SPaolo Bonzini /* If the above doesn't create a consecutive block then that's 15153018216SPaolo Bonzini * an internal bug */ 15253018216SPaolo Bonzini assert(irq == (first + i)); 15353018216SPaolo Bonzini } 15453018216SPaolo Bonzini 15553018216SPaolo Bonzini return first; 15653018216SPaolo Bonzini } 15753018216SPaolo Bonzini 158c04d6cfaSAnthony Liguori static XICSState *try_create_xics(const char *type, int nr_servers, 159c04d6cfaSAnthony Liguori int nr_irqs) 160c04d6cfaSAnthony Liguori { 161c04d6cfaSAnthony Liguori DeviceState *dev; 162c04d6cfaSAnthony Liguori 163c04d6cfaSAnthony Liguori dev = qdev_create(NULL, type); 164c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_servers", nr_servers); 165c04d6cfaSAnthony Liguori qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs); 166c04d6cfaSAnthony Liguori if (qdev_init(dev) < 0) { 167c04d6cfaSAnthony Liguori return NULL; 168c04d6cfaSAnthony Liguori } 169c04d6cfaSAnthony Liguori 1705a3d7b23SAlexey Kardashevskiy return XICS_COMMON(dev); 171c04d6cfaSAnthony Liguori } 172c04d6cfaSAnthony Liguori 173c04d6cfaSAnthony Liguori static XICSState *xics_system_init(int nr_servers, int nr_irqs) 174c04d6cfaSAnthony Liguori { 175c04d6cfaSAnthony Liguori XICSState *icp = NULL; 176c04d6cfaSAnthony Liguori 17711ad93f6SDavid Gibson if (kvm_enabled()) { 17811ad93f6SDavid Gibson QemuOpts *machine_opts = qemu_get_machine_opts(); 17911ad93f6SDavid Gibson bool irqchip_allowed = qemu_opt_get_bool(machine_opts, 18011ad93f6SDavid Gibson "kernel_irqchip", true); 18111ad93f6SDavid Gibson bool irqchip_required = qemu_opt_get_bool(machine_opts, 18211ad93f6SDavid Gibson "kernel_irqchip", false); 18311ad93f6SDavid Gibson if (irqchip_allowed) { 18411ad93f6SDavid Gibson icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs); 18511ad93f6SDavid Gibson } 18611ad93f6SDavid Gibson 18711ad93f6SDavid Gibson if (irqchip_required && !icp) { 18811ad93f6SDavid Gibson perror("Failed to create in-kernel XICS\n"); 18911ad93f6SDavid Gibson abort(); 19011ad93f6SDavid Gibson } 19111ad93f6SDavid Gibson } 19211ad93f6SDavid Gibson 19311ad93f6SDavid Gibson if (!icp) { 194c04d6cfaSAnthony Liguori icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs); 19511ad93f6SDavid Gibson } 19611ad93f6SDavid Gibson 197c04d6cfaSAnthony Liguori if (!icp) { 198c04d6cfaSAnthony Liguori perror("Failed to create XICS\n"); 199c04d6cfaSAnthony Liguori abort(); 200c04d6cfaSAnthony Liguori } 201c04d6cfaSAnthony Liguori 202c04d6cfaSAnthony Liguori return icp; 203c04d6cfaSAnthony Liguori } 204c04d6cfaSAnthony Liguori 20553018216SPaolo Bonzini static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr) 20653018216SPaolo Bonzini { 20753018216SPaolo Bonzini int ret = 0, offset; 20853018216SPaolo Bonzini CPUState *cpu; 20953018216SPaolo Bonzini char cpu_model[32]; 21053018216SPaolo Bonzini int smt = kvmppc_smt_threads(); 21153018216SPaolo Bonzini uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)}; 21253018216SPaolo Bonzini 213bdc44640SAndreas Färber CPU_FOREACH(cpu) { 2143bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cpu); 2150f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(POWERPC_CPU(cpu)); 21653018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x5), 21753018216SPaolo Bonzini cpu_to_be32(0x0), 21853018216SPaolo Bonzini cpu_to_be32(0x0), 21953018216SPaolo Bonzini cpu_to_be32(0x0), 22053018216SPaolo Bonzini cpu_to_be32(cpu->numa_node), 2210f20ba62SAlexey Kardashevskiy cpu_to_be32(index)}; 22253018216SPaolo Bonzini 2230f20ba62SAlexey Kardashevskiy if ((index % smt) != 0) { 22453018216SPaolo Bonzini continue; 22553018216SPaolo Bonzini } 22653018216SPaolo Bonzini 2273bbf37f2SAndreas Färber snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name, 2280f20ba62SAlexey Kardashevskiy index); 22953018216SPaolo Bonzini 23053018216SPaolo Bonzini offset = fdt_path_offset(fdt, cpu_model); 23153018216SPaolo Bonzini if (offset < 0) { 23253018216SPaolo Bonzini return offset; 23353018216SPaolo Bonzini } 23453018216SPaolo Bonzini 23553018216SPaolo Bonzini if (nb_numa_nodes > 1) { 23653018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,associativity", associativity, 23753018216SPaolo Bonzini sizeof(associativity)); 23853018216SPaolo Bonzini if (ret < 0) { 23953018216SPaolo Bonzini return ret; 24053018216SPaolo Bonzini } 24153018216SPaolo Bonzini } 24253018216SPaolo Bonzini 24353018216SPaolo Bonzini ret = fdt_setprop(fdt, offset, "ibm,pft-size", 24453018216SPaolo Bonzini pft_size_prop, sizeof(pft_size_prop)); 24553018216SPaolo Bonzini if (ret < 0) { 24653018216SPaolo Bonzini return ret; 24753018216SPaolo Bonzini } 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 29653018216SPaolo Bonzini 2973bbf37f2SAndreas Färber static void *spapr_create_fdt_skel(hwaddr initrd_base, 29853018216SPaolo Bonzini hwaddr initrd_size, 29953018216SPaolo Bonzini hwaddr kernel_size, 30016457e7fSBenjamin Herrenschmidt bool little_endian, 30153018216SPaolo Bonzini const char *boot_device, 30253018216SPaolo Bonzini const char *kernel_cmdline, 30353018216SPaolo Bonzini uint32_t epow_irq) 30453018216SPaolo Bonzini { 30553018216SPaolo Bonzini void *fdt; 306182735efSAndreas Färber CPUState *cs; 30753018216SPaolo Bonzini uint32_t start_prop = cpu_to_be32(initrd_base); 30853018216SPaolo Bonzini uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); 30953018216SPaolo Bonzini char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt" 31042561bf2SAnton Blanchard "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode"; 31153018216SPaolo Bonzini char qemu_hypertas_prop[] = "hcall-memop1"; 31253018216SPaolo Bonzini uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; 31353018216SPaolo Bonzini uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; 31453018216SPaolo Bonzini int i, smt = kvmppc_smt_threads(); 31553018216SPaolo Bonzini unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80}; 31653018216SPaolo Bonzini 31753018216SPaolo Bonzini fdt = g_malloc0(FDT_MAX_SIZE); 31853018216SPaolo Bonzini _FDT((fdt_create(fdt, FDT_MAX_SIZE))); 31953018216SPaolo Bonzini 32053018216SPaolo Bonzini if (kernel_size) { 32153018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, KERNEL_LOAD_ADDR, kernel_size))); 32253018216SPaolo Bonzini } 32353018216SPaolo Bonzini if (initrd_size) { 32453018216SPaolo Bonzini _FDT((fdt_add_reservemap_entry(fdt, initrd_base, initrd_size))); 32553018216SPaolo Bonzini } 32653018216SPaolo Bonzini _FDT((fdt_finish_reservemap(fdt))); 32753018216SPaolo Bonzini 32853018216SPaolo Bonzini /* Root node */ 32953018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, ""))); 33053018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "chrp"))); 33153018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "model", "IBM pSeries (emulated by qemu)"))); 332fa388916SAnthony Liguori _FDT((fdt_property_string(fdt, "compatible", "qemu,pseries"))); 33353018216SPaolo Bonzini 33453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x2))); 33553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x2))); 33653018216SPaolo Bonzini 33753018216SPaolo Bonzini /* /chosen */ 33853018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "chosen"))); 33953018216SPaolo Bonzini 34053018216SPaolo Bonzini /* Set Form1_affinity */ 34153018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,architecture-vec-5", vec5, sizeof(vec5)))); 34253018216SPaolo Bonzini 34353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "bootargs", kernel_cmdline))); 34453018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-start", 34553018216SPaolo Bonzini &start_prop, sizeof(start_prop)))); 34653018216SPaolo Bonzini _FDT((fdt_property(fdt, "linux,initrd-end", 34753018216SPaolo Bonzini &end_prop, sizeof(end_prop)))); 34853018216SPaolo Bonzini if (kernel_size) { 34953018216SPaolo Bonzini uint64_t kprop[2] = { cpu_to_be64(KERNEL_LOAD_ADDR), 35053018216SPaolo Bonzini cpu_to_be64(kernel_size) }; 35153018216SPaolo Bonzini 35253018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop)))); 35316457e7fSBenjamin Herrenschmidt if (little_endian) { 35416457e7fSBenjamin Herrenschmidt _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0))); 35516457e7fSBenjamin Herrenschmidt } 35653018216SPaolo Bonzini } 35753018216SPaolo Bonzini if (boot_device) { 35853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device))); 35953018216SPaolo Bonzini } 36053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width))); 36153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height))); 36253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth))); 36353018216SPaolo Bonzini 36453018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 36553018216SPaolo Bonzini 36653018216SPaolo Bonzini /* cpus */ 36753018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "cpus"))); 36853018216SPaolo Bonzini 36953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 37053018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 37153018216SPaolo Bonzini 372bdc44640SAndreas Färber CPU_FOREACH(cs) { 373182735efSAndreas Färber PowerPCCPU *cpu = POWERPC_CPU(cs); 374182735efSAndreas Färber CPUPPCState *env = &cpu->env; 3753bbf37f2SAndreas Färber DeviceClass *dc = DEVICE_GET_CLASS(cs); 376182735efSAndreas Färber PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); 3770f20ba62SAlexey Kardashevskiy int index = ppc_get_vcpu_dt_id(cpu); 37853018216SPaolo Bonzini uint32_t servers_prop[smp_threads]; 37953018216SPaolo Bonzini uint32_t gservers_prop[smp_threads * 2]; 38053018216SPaolo Bonzini char *nodename; 38153018216SPaolo Bonzini uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), 38253018216SPaolo Bonzini 0xffffffff, 0xffffffff}; 38353018216SPaolo Bonzini uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ; 38453018216SPaolo Bonzini uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000; 38553018216SPaolo Bonzini uint32_t page_sizes_prop[64]; 38653018216SPaolo Bonzini size_t page_sizes_prop_size; 38753018216SPaolo Bonzini 38853018216SPaolo Bonzini if ((index % smt) != 0) { 38953018216SPaolo Bonzini continue; 39053018216SPaolo Bonzini } 39153018216SPaolo Bonzini 3923bbf37f2SAndreas Färber nodename = g_strdup_printf("%s@%x", dc->fw_name, index); 39353018216SPaolo Bonzini 39453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, nodename))); 39553018216SPaolo Bonzini 39653018216SPaolo Bonzini g_free(nodename); 39753018216SPaolo Bonzini 39853018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "reg", index))); 39953018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "cpu"))); 40053018216SPaolo Bonzini 40153018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "cpu-version", env->spr[SPR_PVR]))); 4020cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-block-size", 40353018216SPaolo Bonzini env->dcache_line_size))); 4040cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-line-size", 4050cbad81fSDavid Gibson env->dcache_line_size))); 4060cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-block-size", 40753018216SPaolo Bonzini env->icache_line_size))); 4080cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-line-size", 4090cbad81fSDavid Gibson env->icache_line_size))); 4100cbad81fSDavid Gibson 4110cbad81fSDavid Gibson if (pcc->l1_dcache_size) { 4120cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "d-cache-size", pcc->l1_dcache_size))); 4130cbad81fSDavid Gibson } else { 4140cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 dcache size for cpu\n"); 4150cbad81fSDavid Gibson } 4160cbad81fSDavid Gibson if (pcc->l1_icache_size) { 4170cbad81fSDavid Gibson _FDT((fdt_property_cell(fdt, "i-cache-size", pcc->l1_icache_size))); 4180cbad81fSDavid Gibson } else { 4190cbad81fSDavid Gibson fprintf(stderr, "Warning: Unknown L1 icache size for cpu\n"); 4200cbad81fSDavid Gibson } 4210cbad81fSDavid Gibson 42253018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq))); 42353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq))); 42453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr))); 42553018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "status", "okay"))); 42653018216SPaolo Bonzini _FDT((fdt_property(fdt, "64-bit", NULL, 0))); 42753018216SPaolo Bonzini 42853018216SPaolo Bonzini /* Build interrupt servers and gservers properties */ 42953018216SPaolo Bonzini for (i = 0; i < smp_threads; i++) { 43053018216SPaolo Bonzini servers_prop[i] = cpu_to_be32(index + i); 43153018216SPaolo Bonzini /* Hack, direct the group queues back to cpu 0 */ 43253018216SPaolo Bonzini gservers_prop[i*2] = cpu_to_be32(index + i); 43353018216SPaolo Bonzini gservers_prop[i*2 + 1] = 0; 43453018216SPaolo Bonzini } 43553018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-server#s", 43653018216SPaolo Bonzini servers_prop, sizeof(servers_prop)))); 43753018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s", 43853018216SPaolo Bonzini gservers_prop, sizeof(gservers_prop)))); 43953018216SPaolo Bonzini 440dcb861cbSAlexey Kardashevskiy if (env->spr_cb[SPR_PURR].oea_read) { 441dcb861cbSAlexey Kardashevskiy _FDT((fdt_property(fdt, "ibm,purr", NULL, 0))); 442dcb861cbSAlexey Kardashevskiy } 443dcb861cbSAlexey Kardashevskiy 44453018216SPaolo Bonzini if (env->mmu_model & POWERPC_MMU_1TSEG) { 44553018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,processor-segment-sizes", 44653018216SPaolo Bonzini segs, sizeof(segs)))); 44753018216SPaolo Bonzini } 44853018216SPaolo Bonzini 44953018216SPaolo Bonzini /* Advertise VMX/VSX (vector extensions) if available 45053018216SPaolo Bonzini * 0 / no property == no vector extensions 45153018216SPaolo Bonzini * 1 == VMX / Altivec available 45253018216SPaolo Bonzini * 2 == VSX available */ 45353018216SPaolo Bonzini if (env->insns_flags & PPC_ALTIVEC) { 45453018216SPaolo Bonzini uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; 45553018216SPaolo Bonzini 45653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,vmx", vmx))); 45753018216SPaolo Bonzini } 45853018216SPaolo Bonzini 45953018216SPaolo Bonzini /* Advertise DFP (Decimal Floating Point) if available 46053018216SPaolo Bonzini * 0 / no property == no DFP 46153018216SPaolo Bonzini * 1 == DFP available */ 46253018216SPaolo Bonzini if (env->insns_flags2 & PPC2_DFP) { 46353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "ibm,dfp", 1))); 46453018216SPaolo Bonzini } 46553018216SPaolo Bonzini 46653018216SPaolo Bonzini page_sizes_prop_size = create_page_sizes_prop(env, page_sizes_prop, 46753018216SPaolo Bonzini sizeof(page_sizes_prop)); 46853018216SPaolo Bonzini if (page_sizes_prop_size) { 46953018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,segment-page-sizes", 47053018216SPaolo Bonzini page_sizes_prop, page_sizes_prop_size))); 47153018216SPaolo Bonzini } 47253018216SPaolo Bonzini 47353018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 47453018216SPaolo Bonzini } 47553018216SPaolo Bonzini 47653018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 47753018216SPaolo Bonzini 47853018216SPaolo Bonzini /* RTAS */ 47953018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "rtas"))); 48053018216SPaolo Bonzini 48153018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop, 48253018216SPaolo Bonzini sizeof(hypertas_prop)))); 48353018216SPaolo Bonzini _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop, 48453018216SPaolo Bonzini sizeof(qemu_hypertas_prop)))); 48553018216SPaolo Bonzini 48653018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,associativity-reference-points", 48753018216SPaolo Bonzini refpoints, sizeof(refpoints)))); 48853018216SPaolo Bonzini 48953018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "rtas-error-log-max", RTAS_ERROR_LOG_MAX))); 49053018216SPaolo Bonzini 49153018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 49253018216SPaolo Bonzini 49353018216SPaolo Bonzini /* interrupt controller */ 49453018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "interrupt-controller"))); 49553018216SPaolo Bonzini 49653018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", 49753018216SPaolo Bonzini "PowerPC-External-Interrupt-Presentation"))); 49853018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp"))); 49953018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 50053018216SPaolo Bonzini _FDT((fdt_property(fdt, "ibm,interrupt-server-ranges", 50153018216SPaolo Bonzini interrupt_server_ranges_prop, 50253018216SPaolo Bonzini sizeof(interrupt_server_ranges_prop)))); 50353018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2))); 50453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP))); 50553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP))); 50653018216SPaolo Bonzini 50753018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 50853018216SPaolo Bonzini 50953018216SPaolo Bonzini /* vdevice */ 51053018216SPaolo Bonzini _FDT((fdt_begin_node(fdt, "vdevice"))); 51153018216SPaolo Bonzini 51253018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "device_type", "vdevice"))); 51353018216SPaolo Bonzini _FDT((fdt_property_string(fdt, "compatible", "IBM,vdevice"))); 51453018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#address-cells", 0x1))); 51553018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#size-cells", 0x0))); 51653018216SPaolo Bonzini _FDT((fdt_property_cell(fdt, "#interrupt-cells", 0x2))); 51753018216SPaolo Bonzini _FDT((fdt_property(fdt, "interrupt-controller", NULL, 0))); 51853018216SPaolo Bonzini 51953018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); 52053018216SPaolo Bonzini 52153018216SPaolo Bonzini /* event-sources */ 52253018216SPaolo Bonzini spapr_events_fdt_skel(fdt, epow_irq); 52353018216SPaolo Bonzini 52453018216SPaolo Bonzini _FDT((fdt_end_node(fdt))); /* close root node */ 52553018216SPaolo Bonzini _FDT((fdt_finish(fdt))); 52653018216SPaolo Bonzini 52753018216SPaolo Bonzini return fdt; 52853018216SPaolo Bonzini } 52953018216SPaolo Bonzini 53053018216SPaolo Bonzini static int spapr_populate_memory(sPAPREnvironment *spapr, void *fdt) 53153018216SPaolo Bonzini { 53253018216SPaolo Bonzini uint32_t associativity[] = {cpu_to_be32(0x4), cpu_to_be32(0x0), 53353018216SPaolo Bonzini cpu_to_be32(0x0), cpu_to_be32(0x0), 53453018216SPaolo Bonzini cpu_to_be32(0x0)}; 53553018216SPaolo Bonzini char mem_name[32]; 5365fe269b1SPaul Mackerras hwaddr node0_size, mem_start, node_size; 53753018216SPaolo Bonzini uint64_t mem_reg_property[2]; 53853018216SPaolo Bonzini int i, off; 53953018216SPaolo Bonzini 54053018216SPaolo Bonzini /* memory node(s) */ 5415fe269b1SPaul Mackerras if (nb_numa_nodes > 1 && node_mem[0] < ram_size) { 5425fe269b1SPaul Mackerras node0_size = node_mem[0]; 5435fe269b1SPaul Mackerras } else { 5445fe269b1SPaul Mackerras node0_size = ram_size; 5455fe269b1SPaul Mackerras } 54653018216SPaolo Bonzini 54753018216SPaolo Bonzini /* RMA */ 54853018216SPaolo Bonzini mem_reg_property[0] = 0; 54953018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(spapr->rma_size); 55053018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, "memory@0"); 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 /* RAM: Node 0 */ 55953018216SPaolo Bonzini if (node0_size > spapr->rma_size) { 56053018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(spapr->rma_size); 56153018216SPaolo Bonzini mem_reg_property[1] = cpu_to_be64(node0_size - spapr->rma_size); 56253018216SPaolo Bonzini 56353018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, spapr->rma_size); 56453018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 56553018216SPaolo Bonzini _FDT(off); 56653018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 56753018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 56853018216SPaolo Bonzini sizeof(mem_reg_property)))); 56953018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 57053018216SPaolo Bonzini sizeof(associativity)))); 57153018216SPaolo Bonzini } 57253018216SPaolo Bonzini 57353018216SPaolo Bonzini /* RAM: Node 1 and beyond */ 57453018216SPaolo Bonzini mem_start = node0_size; 57553018216SPaolo Bonzini for (i = 1; i < nb_numa_nodes; i++) { 57653018216SPaolo Bonzini mem_reg_property[0] = cpu_to_be64(mem_start); 5775fe269b1SPaul Mackerras if (mem_start >= ram_size) { 5785fe269b1SPaul Mackerras node_size = 0; 5795fe269b1SPaul Mackerras } else { 5805fe269b1SPaul Mackerras node_size = node_mem[i]; 5815fe269b1SPaul Mackerras if (node_size > ram_size - mem_start) { 5825fe269b1SPaul Mackerras node_size = ram_size - mem_start; 5835fe269b1SPaul Mackerras } 5845fe269b1SPaul Mackerras } 5855fe269b1SPaul Mackerras mem_reg_property[1] = cpu_to_be64(node_size); 58653018216SPaolo Bonzini associativity[3] = associativity[4] = cpu_to_be32(i); 58753018216SPaolo Bonzini sprintf(mem_name, "memory@" TARGET_FMT_lx, mem_start); 58853018216SPaolo Bonzini off = fdt_add_subnode(fdt, 0, mem_name); 58953018216SPaolo Bonzini _FDT(off); 59053018216SPaolo Bonzini _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); 59153018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, 59253018216SPaolo Bonzini sizeof(mem_reg_property)))); 59353018216SPaolo Bonzini _FDT((fdt_setprop(fdt, off, "ibm,associativity", associativity, 59453018216SPaolo Bonzini sizeof(associativity)))); 5955fe269b1SPaul Mackerras mem_start += node_size; 59653018216SPaolo Bonzini } 59753018216SPaolo Bonzini 59853018216SPaolo Bonzini return 0; 59953018216SPaolo Bonzini } 60053018216SPaolo Bonzini 60153018216SPaolo Bonzini static void spapr_finalize_fdt(sPAPREnvironment *spapr, 60253018216SPaolo Bonzini hwaddr fdt_addr, 60353018216SPaolo Bonzini hwaddr rtas_addr, 60453018216SPaolo Bonzini hwaddr rtas_size) 60553018216SPaolo Bonzini { 60671461b0fSAlexey Kardashevskiy int ret, i; 60771461b0fSAlexey Kardashevskiy size_t cb = 0; 60871461b0fSAlexey Kardashevskiy char *bootlist; 60953018216SPaolo Bonzini void *fdt; 61053018216SPaolo Bonzini sPAPRPHBState *phb; 61153018216SPaolo Bonzini 61253018216SPaolo Bonzini fdt = g_malloc(FDT_MAX_SIZE); 61353018216SPaolo Bonzini 61453018216SPaolo Bonzini /* open out the base tree into a temp buffer for the final tweaks */ 61553018216SPaolo Bonzini _FDT((fdt_open_into(spapr->fdt_skel, fdt, FDT_MAX_SIZE))); 61653018216SPaolo Bonzini 61753018216SPaolo Bonzini ret = spapr_populate_memory(spapr, fdt); 61853018216SPaolo Bonzini if (ret < 0) { 61953018216SPaolo Bonzini fprintf(stderr, "couldn't setup memory nodes in fdt\n"); 62053018216SPaolo Bonzini exit(1); 62153018216SPaolo Bonzini } 62253018216SPaolo Bonzini 62353018216SPaolo Bonzini ret = spapr_populate_vdevice(spapr->vio_bus, fdt); 62453018216SPaolo Bonzini if (ret < 0) { 62553018216SPaolo Bonzini fprintf(stderr, "couldn't setup vio devices in fdt\n"); 62653018216SPaolo Bonzini exit(1); 62753018216SPaolo Bonzini } 62853018216SPaolo Bonzini 62953018216SPaolo Bonzini QLIST_FOREACH(phb, &spapr->phbs, list) { 63053018216SPaolo Bonzini ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt); 63153018216SPaolo Bonzini } 63253018216SPaolo Bonzini 63353018216SPaolo Bonzini if (ret < 0) { 63453018216SPaolo Bonzini fprintf(stderr, "couldn't setup PCI devices in fdt\n"); 63553018216SPaolo Bonzini exit(1); 63653018216SPaolo Bonzini } 63753018216SPaolo Bonzini 63853018216SPaolo Bonzini /* RTAS */ 63953018216SPaolo Bonzini ret = spapr_rtas_device_tree_setup(fdt, rtas_addr, rtas_size); 64053018216SPaolo Bonzini if (ret < 0) { 64153018216SPaolo Bonzini fprintf(stderr, "Couldn't set up RTAS device tree properties\n"); 64253018216SPaolo Bonzini } 64353018216SPaolo Bonzini 64453018216SPaolo Bonzini /* Advertise NUMA via ibm,associativity */ 64553018216SPaolo Bonzini ret = spapr_fixup_cpu_dt(fdt, spapr); 64653018216SPaolo Bonzini if (ret < 0) { 64753018216SPaolo Bonzini fprintf(stderr, "Couldn't finalize CPU device tree properties\n"); 64853018216SPaolo Bonzini } 64953018216SPaolo Bonzini 65071461b0fSAlexey Kardashevskiy bootlist = get_boot_devices_list(&cb, true); 65171461b0fSAlexey Kardashevskiy if (cb && bootlist) { 65271461b0fSAlexey Kardashevskiy int offset = fdt_path_offset(fdt, "/chosen"); 65371461b0fSAlexey Kardashevskiy if (offset < 0) { 65471461b0fSAlexey Kardashevskiy exit(1); 65571461b0fSAlexey Kardashevskiy } 65671461b0fSAlexey Kardashevskiy for (i = 0; i < cb; i++) { 65771461b0fSAlexey Kardashevskiy if (bootlist[i] == '\n') { 65871461b0fSAlexey Kardashevskiy bootlist[i] = ' '; 65971461b0fSAlexey Kardashevskiy } 66071461b0fSAlexey Kardashevskiy 66171461b0fSAlexey Kardashevskiy } 66271461b0fSAlexey Kardashevskiy ret = fdt_setprop_string(fdt, offset, "qemu,boot-list", bootlist); 66371461b0fSAlexey Kardashevskiy } 66471461b0fSAlexey Kardashevskiy 66553018216SPaolo Bonzini if (!spapr->has_graphics) { 66653018216SPaolo Bonzini spapr_populate_chosen_stdout(fdt, spapr->vio_bus); 66753018216SPaolo Bonzini } 66853018216SPaolo Bonzini 66953018216SPaolo Bonzini _FDT((fdt_pack(fdt))); 67053018216SPaolo Bonzini 67153018216SPaolo Bonzini if (fdt_totalsize(fdt) > FDT_MAX_SIZE) { 67253018216SPaolo Bonzini hw_error("FDT too big ! 0x%x bytes (max is 0x%x)\n", 67353018216SPaolo Bonzini fdt_totalsize(fdt), FDT_MAX_SIZE); 67453018216SPaolo Bonzini exit(1); 67553018216SPaolo Bonzini } 67653018216SPaolo Bonzini 67753018216SPaolo Bonzini cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); 67853018216SPaolo Bonzini 67953018216SPaolo Bonzini g_free(fdt); 68053018216SPaolo Bonzini } 68153018216SPaolo Bonzini 68253018216SPaolo Bonzini static uint64_t translate_kernel_address(void *opaque, uint64_t addr) 68353018216SPaolo Bonzini { 68453018216SPaolo Bonzini return (addr & 0x0fffffff) + KERNEL_LOAD_ADDR; 68553018216SPaolo Bonzini } 68653018216SPaolo Bonzini 68753018216SPaolo Bonzini static void emulate_spapr_hypercall(PowerPCCPU *cpu) 68853018216SPaolo Bonzini { 68953018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 69053018216SPaolo Bonzini 69153018216SPaolo Bonzini if (msr_pr) { 69253018216SPaolo Bonzini hcall_dprintf("Hypercall made with MSR[PR]=1\n"); 69353018216SPaolo Bonzini env->gpr[3] = H_PRIVILEGE; 69453018216SPaolo Bonzini } else { 69553018216SPaolo Bonzini env->gpr[3] = spapr_hypercall(cpu, env->gpr[3], &env->gpr[4]); 69653018216SPaolo Bonzini } 69753018216SPaolo Bonzini } 69853018216SPaolo Bonzini 69953018216SPaolo Bonzini static void spapr_reset_htab(sPAPREnvironment *spapr) 70053018216SPaolo Bonzini { 70153018216SPaolo Bonzini long shift; 70253018216SPaolo Bonzini 70353018216SPaolo Bonzini /* allocate hash page table. For now we always make this 16mb, 70453018216SPaolo Bonzini * later we should probably make it scale to the size of guest 70553018216SPaolo Bonzini * RAM */ 70653018216SPaolo Bonzini 70753018216SPaolo Bonzini shift = kvmppc_reset_htab(spapr->htab_shift); 70853018216SPaolo Bonzini 70953018216SPaolo Bonzini if (shift > 0) { 71053018216SPaolo Bonzini /* Kernel handles htab, we don't need to allocate one */ 71153018216SPaolo Bonzini spapr->htab_shift = shift; 7127c43bca0SAneesh Kumar K.V kvmppc_kern_htab = true; 71353018216SPaolo Bonzini } else { 71453018216SPaolo Bonzini if (!spapr->htab) { 71553018216SPaolo Bonzini /* Allocate an htab if we don't yet have one */ 71653018216SPaolo Bonzini spapr->htab = qemu_memalign(HTAB_SIZE(spapr), HTAB_SIZE(spapr)); 71753018216SPaolo Bonzini } 71853018216SPaolo Bonzini 71953018216SPaolo Bonzini /* And clear it */ 72053018216SPaolo Bonzini memset(spapr->htab, 0, HTAB_SIZE(spapr)); 72153018216SPaolo Bonzini } 72253018216SPaolo Bonzini 72353018216SPaolo Bonzini /* Update the RMA size if necessary */ 72453018216SPaolo Bonzini if (spapr->vrma_adjust) { 725c4177479SAlexey Kardashevskiy hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 726c4177479SAlexey Kardashevskiy spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift); 72753018216SPaolo Bonzini } 72853018216SPaolo Bonzini } 72953018216SPaolo Bonzini 73053018216SPaolo Bonzini static void ppc_spapr_reset(void) 73153018216SPaolo Bonzini { 732182735efSAndreas Färber PowerPCCPU *first_ppc_cpu; 733259186a7SAndreas Färber 73453018216SPaolo Bonzini /* Reset the hash table & recalc the RMA */ 73553018216SPaolo Bonzini spapr_reset_htab(spapr); 73653018216SPaolo Bonzini 73753018216SPaolo Bonzini qemu_devices_reset(); 73853018216SPaolo Bonzini 73953018216SPaolo Bonzini /* Load the fdt */ 74053018216SPaolo Bonzini spapr_finalize_fdt(spapr, spapr->fdt_addr, spapr->rtas_addr, 74153018216SPaolo Bonzini spapr->rtas_size); 74253018216SPaolo Bonzini 74353018216SPaolo Bonzini /* Set up the entry state */ 744182735efSAndreas Färber first_ppc_cpu = POWERPC_CPU(first_cpu); 745182735efSAndreas Färber first_ppc_cpu->env.gpr[3] = spapr->fdt_addr; 746182735efSAndreas Färber first_ppc_cpu->env.gpr[5] = 0; 747182735efSAndreas Färber first_cpu->halted = 0; 748182735efSAndreas Färber first_ppc_cpu->env.nip = spapr->entry_point; 74953018216SPaolo Bonzini 75053018216SPaolo Bonzini } 75153018216SPaolo Bonzini 75253018216SPaolo Bonzini static void spapr_cpu_reset(void *opaque) 75353018216SPaolo Bonzini { 75453018216SPaolo Bonzini PowerPCCPU *cpu = opaque; 755259186a7SAndreas Färber CPUState *cs = CPU(cpu); 75653018216SPaolo Bonzini CPUPPCState *env = &cpu->env; 75753018216SPaolo Bonzini 758259186a7SAndreas Färber cpu_reset(cs); 75953018216SPaolo Bonzini 76053018216SPaolo Bonzini /* All CPUs start halted. CPU0 is unhalted from the machine level 76153018216SPaolo Bonzini * reset code and the rest are explicitly started up by the guest 76253018216SPaolo Bonzini * using an RTAS call */ 763259186a7SAndreas Färber cs->halted = 1; 76453018216SPaolo Bonzini 76553018216SPaolo Bonzini env->spr[SPR_HIOR] = 0; 76653018216SPaolo Bonzini 7674be21d56SDavid Gibson env->external_htab = (uint8_t *)spapr->htab; 7685736245cSAneesh Kumar K.V if (kvm_enabled() && !env->external_htab) { 7695736245cSAneesh Kumar K.V /* 7705736245cSAneesh Kumar K.V * HV KVM, set external_htab to 1 so our ppc_hash64_load_hpte* 7715736245cSAneesh Kumar K.V * functions do the right thing. 7725736245cSAneesh Kumar K.V */ 7735736245cSAneesh Kumar K.V env->external_htab = (void *)1; 7745736245cSAneesh Kumar K.V } 77553018216SPaolo Bonzini env->htab_base = -1; 776f3c75d42SAneesh Kumar K.V /* 777f3c75d42SAneesh Kumar K.V * htab_mask is the mask used to normalize hash value to PTEG index. 778f3c75d42SAneesh Kumar K.V * htab_shift is log2 of hash table size. 779f3c75d42SAneesh Kumar K.V * We have 8 hpte per group, and each hpte is 16 bytes. 780f3c75d42SAneesh Kumar K.V * ie have 128 bytes per hpte entry. 781f3c75d42SAneesh Kumar K.V */ 782f3c75d42SAneesh Kumar K.V env->htab_mask = (1ULL << ((spapr)->htab_shift - 7)) - 1; 783ec4936e1SStefan Weil env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab | 78453018216SPaolo Bonzini (spapr->htab_shift - 18); 78553018216SPaolo Bonzini } 78653018216SPaolo Bonzini 78753018216SPaolo Bonzini static void spapr_create_nvram(sPAPREnvironment *spapr) 78853018216SPaolo Bonzini { 7892ff3de68SMarkus Armbruster DeviceState *dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); 7903978b863SPaolo Bonzini DriveInfo *dinfo = drive_get(IF_PFLASH, 0, 0); 79153018216SPaolo Bonzini 7923978b863SPaolo Bonzini if (dinfo) { 7933978b863SPaolo Bonzini qdev_prop_set_drive_nofail(dev, "drive", dinfo->bdrv); 79453018216SPaolo Bonzini } 79553018216SPaolo Bonzini 79653018216SPaolo Bonzini qdev_init_nofail(dev); 79753018216SPaolo Bonzini 79853018216SPaolo Bonzini spapr->nvram = (struct sPAPRNVRAM *)dev; 79953018216SPaolo Bonzini } 80053018216SPaolo Bonzini 80153018216SPaolo Bonzini /* Returns whether we want to use VGA or not */ 80253018216SPaolo Bonzini static int spapr_vga_init(PCIBus *pci_bus) 80353018216SPaolo Bonzini { 80453018216SPaolo Bonzini switch (vga_interface_type) { 80553018216SPaolo Bonzini case VGA_NONE: 8067effdaa3SMark Wu return false; 8077effdaa3SMark Wu case VGA_DEVICE: 8087effdaa3SMark Wu return true; 80953018216SPaolo Bonzini case VGA_STD: 81053018216SPaolo Bonzini return pci_vga_init(pci_bus) != NULL; 81153018216SPaolo Bonzini default: 81253018216SPaolo Bonzini fprintf(stderr, "This vga model is not supported," 81353018216SPaolo Bonzini "currently it only supports -vga std\n"); 81453018216SPaolo Bonzini exit(0); 81553018216SPaolo Bonzini } 81653018216SPaolo Bonzini } 81753018216SPaolo Bonzini 8184be21d56SDavid Gibson static const VMStateDescription vmstate_spapr = { 8194be21d56SDavid Gibson .name = "spapr", 820*98a8b524SAlexey Kardashevskiy .version_id = 2, 8214be21d56SDavid Gibson .minimum_version_id = 1, 8224be21d56SDavid Gibson .fields = (VMStateField[]) { 8234be21d56SDavid Gibson VMSTATE_UINT32(next_irq, sPAPREnvironment), 8244be21d56SDavid Gibson 8254be21d56SDavid Gibson /* RTC offset */ 8264be21d56SDavid Gibson VMSTATE_UINT64(rtc_offset, sPAPREnvironment), 827*98a8b524SAlexey Kardashevskiy VMSTATE_PPC_TIMEBASE_V(tb, sPAPREnvironment, 2), 8284be21d56SDavid Gibson VMSTATE_END_OF_LIST() 8294be21d56SDavid Gibson }, 8304be21d56SDavid Gibson }; 8314be21d56SDavid Gibson 8324be21d56SDavid Gibson #define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2)) 8334be21d56SDavid Gibson #define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID) 8344be21d56SDavid Gibson #define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY) 8354be21d56SDavid Gibson #define CLEAN_HPTE(_hpte) ((*(uint64_t *)(_hpte)) &= tswap64(~HPTE64_V_HPTE_DIRTY)) 8364be21d56SDavid Gibson 8374be21d56SDavid Gibson static int htab_save_setup(QEMUFile *f, void *opaque) 8384be21d56SDavid Gibson { 8394be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 8404be21d56SDavid Gibson 8414be21d56SDavid Gibson /* "Iteration" header */ 8424be21d56SDavid Gibson qemu_put_be32(f, spapr->htab_shift); 8434be21d56SDavid Gibson 844e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 845e68cb8b4SAlexey Kardashevskiy spapr->htab_save_index = 0; 846e68cb8b4SAlexey Kardashevskiy spapr->htab_first_pass = true; 847e68cb8b4SAlexey Kardashevskiy } else { 848e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 849e68cb8b4SAlexey Kardashevskiy 850e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = kvmppc_get_htab_fd(false); 851e68cb8b4SAlexey Kardashevskiy if (spapr->htab_fd < 0) { 852e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd for reading hash table from KVM: %s\n", 853e68cb8b4SAlexey Kardashevskiy strerror(errno)); 854e68cb8b4SAlexey Kardashevskiy return -1; 855e68cb8b4SAlexey Kardashevskiy } 8564be21d56SDavid Gibson } 8574be21d56SDavid Gibson 858e68cb8b4SAlexey Kardashevskiy 859e68cb8b4SAlexey Kardashevskiy return 0; 860e68cb8b4SAlexey Kardashevskiy } 8614be21d56SDavid Gibson 8624be21d56SDavid Gibson static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, 8634be21d56SDavid Gibson int64_t max_ns) 8644be21d56SDavid Gibson { 8654be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 8664be21d56SDavid Gibson int index = spapr->htab_save_index; 867bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 8684be21d56SDavid Gibson 8694be21d56SDavid Gibson assert(spapr->htab_first_pass); 8704be21d56SDavid Gibson 8714be21d56SDavid Gibson do { 8724be21d56SDavid Gibson int chunkstart; 8734be21d56SDavid Gibson 8744be21d56SDavid Gibson /* Consume invalid HPTEs */ 8754be21d56SDavid Gibson while ((index < htabslots) 8764be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 8774be21d56SDavid Gibson index++; 8784be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 8794be21d56SDavid Gibson } 8804be21d56SDavid Gibson 8814be21d56SDavid Gibson /* Consume valid HPTEs */ 8824be21d56SDavid Gibson chunkstart = index; 8834be21d56SDavid Gibson while ((index < htabslots) 8844be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 8854be21d56SDavid Gibson index++; 8864be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 8874be21d56SDavid Gibson } 8884be21d56SDavid Gibson 8894be21d56SDavid Gibson if (index > chunkstart) { 8904be21d56SDavid Gibson int n_valid = index - chunkstart; 8914be21d56SDavid Gibson 8924be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 8934be21d56SDavid Gibson qemu_put_be16(f, n_valid); 8944be21d56SDavid Gibson qemu_put_be16(f, 0); 8954be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 8964be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 8974be21d56SDavid Gibson 898bc72ad67SAlex Bligh if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 8994be21d56SDavid Gibson break; 9004be21d56SDavid Gibson } 9014be21d56SDavid Gibson } 9024be21d56SDavid Gibson } while ((index < htabslots) && !qemu_file_rate_limit(f)); 9034be21d56SDavid Gibson 9044be21d56SDavid Gibson if (index >= htabslots) { 9054be21d56SDavid Gibson assert(index == htabslots); 9064be21d56SDavid Gibson index = 0; 9074be21d56SDavid Gibson spapr->htab_first_pass = false; 9084be21d56SDavid Gibson } 9094be21d56SDavid Gibson spapr->htab_save_index = index; 9104be21d56SDavid Gibson } 9114be21d56SDavid Gibson 912e68cb8b4SAlexey Kardashevskiy static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, 9134be21d56SDavid Gibson int64_t max_ns) 9144be21d56SDavid Gibson { 9154be21d56SDavid Gibson bool final = max_ns < 0; 9164be21d56SDavid Gibson int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; 9174be21d56SDavid Gibson int examined = 0, sent = 0; 9184be21d56SDavid Gibson int index = spapr->htab_save_index; 919bc72ad67SAlex Bligh int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); 9204be21d56SDavid Gibson 9214be21d56SDavid Gibson assert(!spapr->htab_first_pass); 9224be21d56SDavid Gibson 9234be21d56SDavid Gibson do { 9244be21d56SDavid Gibson int chunkstart, invalidstart; 9254be21d56SDavid Gibson 9264be21d56SDavid Gibson /* Consume non-dirty HPTEs */ 9274be21d56SDavid Gibson while ((index < htabslots) 9284be21d56SDavid Gibson && !HPTE_DIRTY(HPTE(spapr->htab, index))) { 9294be21d56SDavid Gibson index++; 9304be21d56SDavid Gibson examined++; 9314be21d56SDavid Gibson } 9324be21d56SDavid Gibson 9334be21d56SDavid Gibson chunkstart = index; 9344be21d56SDavid Gibson /* Consume valid dirty HPTEs */ 9354be21d56SDavid Gibson while ((index < htabslots) 9364be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 9374be21d56SDavid Gibson && HPTE_VALID(HPTE(spapr->htab, index))) { 9384be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9394be21d56SDavid Gibson index++; 9404be21d56SDavid Gibson examined++; 9414be21d56SDavid Gibson } 9424be21d56SDavid Gibson 9434be21d56SDavid Gibson invalidstart = index; 9444be21d56SDavid Gibson /* Consume invalid dirty HPTEs */ 9454be21d56SDavid Gibson while ((index < htabslots) 9464be21d56SDavid Gibson && HPTE_DIRTY(HPTE(spapr->htab, index)) 9474be21d56SDavid Gibson && !HPTE_VALID(HPTE(spapr->htab, index))) { 9484be21d56SDavid Gibson CLEAN_HPTE(HPTE(spapr->htab, index)); 9494be21d56SDavid Gibson index++; 9504be21d56SDavid Gibson examined++; 9514be21d56SDavid Gibson } 9524be21d56SDavid Gibson 9534be21d56SDavid Gibson if (index > chunkstart) { 9544be21d56SDavid Gibson int n_valid = invalidstart - chunkstart; 9554be21d56SDavid Gibson int n_invalid = index - invalidstart; 9564be21d56SDavid Gibson 9574be21d56SDavid Gibson qemu_put_be32(f, chunkstart); 9584be21d56SDavid Gibson qemu_put_be16(f, n_valid); 9594be21d56SDavid Gibson qemu_put_be16(f, n_invalid); 9604be21d56SDavid Gibson qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), 9614be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 9624be21d56SDavid Gibson sent += index - chunkstart; 9634be21d56SDavid Gibson 964bc72ad67SAlex Bligh if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { 9654be21d56SDavid Gibson break; 9664be21d56SDavid Gibson } 9674be21d56SDavid Gibson } 9684be21d56SDavid Gibson 9694be21d56SDavid Gibson if (examined >= htabslots) { 9704be21d56SDavid Gibson break; 9714be21d56SDavid Gibson } 9724be21d56SDavid Gibson 9734be21d56SDavid Gibson if (index >= htabslots) { 9744be21d56SDavid Gibson assert(index == htabslots); 9754be21d56SDavid Gibson index = 0; 9764be21d56SDavid Gibson } 9774be21d56SDavid Gibson } while ((examined < htabslots) && (!qemu_file_rate_limit(f) || final)); 9784be21d56SDavid Gibson 9794be21d56SDavid Gibson if (index >= htabslots) { 9804be21d56SDavid Gibson assert(index == htabslots); 9814be21d56SDavid Gibson index = 0; 9824be21d56SDavid Gibson } 9834be21d56SDavid Gibson 9844be21d56SDavid Gibson spapr->htab_save_index = index; 9854be21d56SDavid Gibson 986e68cb8b4SAlexey Kardashevskiy return (examined >= htabslots) && (sent == 0) ? 1 : 0; 9874be21d56SDavid Gibson } 9884be21d56SDavid Gibson 989e68cb8b4SAlexey Kardashevskiy #define MAX_ITERATION_NS 5000000 /* 5 ms */ 990e68cb8b4SAlexey Kardashevskiy #define MAX_KVM_BUF_SIZE 2048 991e68cb8b4SAlexey Kardashevskiy 9924be21d56SDavid Gibson static int htab_save_iterate(QEMUFile *f, void *opaque) 9934be21d56SDavid Gibson { 9944be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 995e68cb8b4SAlexey Kardashevskiy int rc = 0; 9964be21d56SDavid Gibson 9974be21d56SDavid Gibson /* Iteration header */ 9984be21d56SDavid Gibson qemu_put_be32(f, 0); 9994be21d56SDavid Gibson 1000e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1001e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1002e68cb8b4SAlexey Kardashevskiy 1003e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, 1004e68cb8b4SAlexey Kardashevskiy MAX_KVM_BUF_SIZE, MAX_ITERATION_NS); 1005e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1006e68cb8b4SAlexey Kardashevskiy return rc; 1007e68cb8b4SAlexey Kardashevskiy } 1008e68cb8b4SAlexey Kardashevskiy } else if (spapr->htab_first_pass) { 10094be21d56SDavid Gibson htab_save_first_pass(f, spapr, MAX_ITERATION_NS); 10104be21d56SDavid Gibson } else { 1011e68cb8b4SAlexey Kardashevskiy rc = htab_save_later_pass(f, spapr, MAX_ITERATION_NS); 10124be21d56SDavid Gibson } 10134be21d56SDavid Gibson 10144be21d56SDavid Gibson /* End marker */ 10154be21d56SDavid Gibson qemu_put_be32(f, 0); 10164be21d56SDavid Gibson qemu_put_be16(f, 0); 10174be21d56SDavid Gibson qemu_put_be16(f, 0); 10184be21d56SDavid Gibson 1019e68cb8b4SAlexey Kardashevskiy return rc; 10204be21d56SDavid Gibson } 10214be21d56SDavid Gibson 10224be21d56SDavid Gibson static int htab_save_complete(QEMUFile *f, void *opaque) 10234be21d56SDavid Gibson { 10244be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 10254be21d56SDavid Gibson 10264be21d56SDavid Gibson /* Iteration header */ 10274be21d56SDavid Gibson qemu_put_be32(f, 0); 10284be21d56SDavid Gibson 1029e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1030e68cb8b4SAlexey Kardashevskiy int rc; 1031e68cb8b4SAlexey Kardashevskiy 1032e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1033e68cb8b4SAlexey Kardashevskiy 1034e68cb8b4SAlexey Kardashevskiy rc = kvmppc_save_htab(f, spapr->htab_fd, MAX_KVM_BUF_SIZE, -1); 1035e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1036e68cb8b4SAlexey Kardashevskiy return rc; 1037e68cb8b4SAlexey Kardashevskiy } 1038e68cb8b4SAlexey Kardashevskiy close(spapr->htab_fd); 1039e68cb8b4SAlexey Kardashevskiy spapr->htab_fd = -1; 1040e68cb8b4SAlexey Kardashevskiy } else { 10414be21d56SDavid Gibson htab_save_later_pass(f, spapr, -1); 1042e68cb8b4SAlexey Kardashevskiy } 10434be21d56SDavid Gibson 10444be21d56SDavid Gibson /* End marker */ 10454be21d56SDavid Gibson qemu_put_be32(f, 0); 10464be21d56SDavid Gibson qemu_put_be16(f, 0); 10474be21d56SDavid Gibson qemu_put_be16(f, 0); 10484be21d56SDavid Gibson 10494be21d56SDavid Gibson return 0; 10504be21d56SDavid Gibson } 10514be21d56SDavid Gibson 10524be21d56SDavid Gibson static int htab_load(QEMUFile *f, void *opaque, int version_id) 10534be21d56SDavid Gibson { 10544be21d56SDavid Gibson sPAPREnvironment *spapr = opaque; 10554be21d56SDavid Gibson uint32_t section_hdr; 1056e68cb8b4SAlexey Kardashevskiy int fd = -1; 10574be21d56SDavid Gibson 10584be21d56SDavid Gibson if (version_id < 1 || version_id > 1) { 10594be21d56SDavid Gibson fprintf(stderr, "htab_load() bad version\n"); 10604be21d56SDavid Gibson return -EINVAL; 10614be21d56SDavid Gibson } 10624be21d56SDavid Gibson 10634be21d56SDavid Gibson section_hdr = qemu_get_be32(f); 10644be21d56SDavid Gibson 10654be21d56SDavid Gibson if (section_hdr) { 10664be21d56SDavid Gibson /* First section, just the hash shift */ 10674be21d56SDavid Gibson if (spapr->htab_shift != section_hdr) { 10684be21d56SDavid Gibson return -EINVAL; 10694be21d56SDavid Gibson } 10704be21d56SDavid Gibson return 0; 10714be21d56SDavid Gibson } 10724be21d56SDavid Gibson 1073e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1074e68cb8b4SAlexey Kardashevskiy assert(kvm_enabled()); 1075e68cb8b4SAlexey Kardashevskiy 1076e68cb8b4SAlexey Kardashevskiy fd = kvmppc_get_htab_fd(true); 1077e68cb8b4SAlexey Kardashevskiy if (fd < 0) { 1078e68cb8b4SAlexey Kardashevskiy fprintf(stderr, "Unable to open fd to restore KVM hash table: %s\n", 1079e68cb8b4SAlexey Kardashevskiy strerror(errno)); 1080e68cb8b4SAlexey Kardashevskiy } 1081e68cb8b4SAlexey Kardashevskiy } 1082e68cb8b4SAlexey Kardashevskiy 10834be21d56SDavid Gibson while (true) { 10844be21d56SDavid Gibson uint32_t index; 10854be21d56SDavid Gibson uint16_t n_valid, n_invalid; 10864be21d56SDavid Gibson 10874be21d56SDavid Gibson index = qemu_get_be32(f); 10884be21d56SDavid Gibson n_valid = qemu_get_be16(f); 10894be21d56SDavid Gibson n_invalid = qemu_get_be16(f); 10904be21d56SDavid Gibson 10914be21d56SDavid Gibson if ((index == 0) && (n_valid == 0) && (n_invalid == 0)) { 10924be21d56SDavid Gibson /* End of Stream */ 10934be21d56SDavid Gibson break; 10944be21d56SDavid Gibson } 10954be21d56SDavid Gibson 1096e68cb8b4SAlexey Kardashevskiy if ((index + n_valid + n_invalid) > 10974be21d56SDavid Gibson (HTAB_SIZE(spapr) / HASH_PTE_SIZE_64)) { 10984be21d56SDavid Gibson /* Bad index in stream */ 10994be21d56SDavid Gibson fprintf(stderr, "htab_load() bad index %d (%hd+%hd entries) " 1100e68cb8b4SAlexey Kardashevskiy "in htab stream (htab_shift=%d)\n", index, n_valid, n_invalid, 1101e68cb8b4SAlexey Kardashevskiy spapr->htab_shift); 11024be21d56SDavid Gibson return -EINVAL; 11034be21d56SDavid Gibson } 11044be21d56SDavid Gibson 1105e68cb8b4SAlexey Kardashevskiy if (spapr->htab) { 11064be21d56SDavid Gibson if (n_valid) { 11074be21d56SDavid Gibson qemu_get_buffer(f, HPTE(spapr->htab, index), 11084be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_valid); 11094be21d56SDavid Gibson } 11104be21d56SDavid Gibson if (n_invalid) { 11114be21d56SDavid Gibson memset(HPTE(spapr->htab, index + n_valid), 0, 11124be21d56SDavid Gibson HASH_PTE_SIZE_64 * n_invalid); 11134be21d56SDavid Gibson } 1114e68cb8b4SAlexey Kardashevskiy } else { 1115e68cb8b4SAlexey Kardashevskiy int rc; 1116e68cb8b4SAlexey Kardashevskiy 1117e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1118e68cb8b4SAlexey Kardashevskiy 1119e68cb8b4SAlexey Kardashevskiy rc = kvmppc_load_htab_chunk(f, fd, index, n_valid, n_invalid); 1120e68cb8b4SAlexey Kardashevskiy if (rc < 0) { 1121e68cb8b4SAlexey Kardashevskiy return rc; 1122e68cb8b4SAlexey Kardashevskiy } 1123e68cb8b4SAlexey Kardashevskiy } 1124e68cb8b4SAlexey Kardashevskiy } 1125e68cb8b4SAlexey Kardashevskiy 1126e68cb8b4SAlexey Kardashevskiy if (!spapr->htab) { 1127e68cb8b4SAlexey Kardashevskiy assert(fd >= 0); 1128e68cb8b4SAlexey Kardashevskiy close(fd); 11294be21d56SDavid Gibson } 11304be21d56SDavid Gibson 11314be21d56SDavid Gibson return 0; 11324be21d56SDavid Gibson } 11334be21d56SDavid Gibson 11344be21d56SDavid Gibson static SaveVMHandlers savevm_htab_handlers = { 11354be21d56SDavid Gibson .save_live_setup = htab_save_setup, 11364be21d56SDavid Gibson .save_live_iterate = htab_save_iterate, 11374be21d56SDavid Gibson .save_live_complete = htab_save_complete, 11384be21d56SDavid Gibson .load_state = htab_load, 11394be21d56SDavid Gibson }; 11404be21d56SDavid Gibson 114153018216SPaolo Bonzini /* pSeries LPAR / sPAPR hardware init */ 11423ef96221SMarcel Apfelbaum static void ppc_spapr_init(MachineState *machine) 114353018216SPaolo Bonzini { 11443ef96221SMarcel Apfelbaum ram_addr_t ram_size = machine->ram_size; 11453ef96221SMarcel Apfelbaum const char *cpu_model = machine->cpu_model; 11463ef96221SMarcel Apfelbaum const char *kernel_filename = machine->kernel_filename; 11473ef96221SMarcel Apfelbaum const char *kernel_cmdline = machine->kernel_cmdline; 11483ef96221SMarcel Apfelbaum const char *initrd_filename = machine->initrd_filename; 11493ef96221SMarcel Apfelbaum const char *boot_device = machine->boot_order; 115053018216SPaolo Bonzini PowerPCCPU *cpu; 115153018216SPaolo Bonzini CPUPPCState *env; 115253018216SPaolo Bonzini PCIHostState *phb; 115353018216SPaolo Bonzini int i; 115453018216SPaolo Bonzini MemoryRegion *sysmem = get_system_memory(); 115553018216SPaolo Bonzini MemoryRegion *ram = g_new(MemoryRegion, 1); 115653018216SPaolo Bonzini hwaddr rma_alloc_size; 1157c4177479SAlexey Kardashevskiy hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size; 115853018216SPaolo Bonzini uint32_t initrd_base = 0; 115953018216SPaolo Bonzini long kernel_size = 0, initrd_size = 0; 116053018216SPaolo Bonzini long load_limit, rtas_limit, fw_size; 116116457e7fSBenjamin Herrenschmidt bool kernel_le = false; 116253018216SPaolo Bonzini char *filename; 116353018216SPaolo Bonzini 116453018216SPaolo Bonzini msi_supported = true; 116553018216SPaolo Bonzini 116653018216SPaolo Bonzini spapr = g_malloc0(sizeof(*spapr)); 116753018216SPaolo Bonzini QLIST_INIT(&spapr->phbs); 116853018216SPaolo Bonzini 116953018216SPaolo Bonzini cpu_ppc_hypercall = emulate_spapr_hypercall; 117053018216SPaolo Bonzini 117153018216SPaolo Bonzini /* Allocate RMA if necessary */ 117253018216SPaolo Bonzini rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem); 117353018216SPaolo Bonzini 117453018216SPaolo Bonzini if (rma_alloc_size == -1) { 117553018216SPaolo Bonzini hw_error("qemu: Unable to create RMA\n"); 117653018216SPaolo Bonzini exit(1); 117753018216SPaolo Bonzini } 117853018216SPaolo Bonzini 1179c4177479SAlexey Kardashevskiy if (rma_alloc_size && (rma_alloc_size < node0_size)) { 118053018216SPaolo Bonzini spapr->rma_size = rma_alloc_size; 118153018216SPaolo Bonzini } else { 1182c4177479SAlexey Kardashevskiy spapr->rma_size = node0_size; 118353018216SPaolo Bonzini 118453018216SPaolo Bonzini /* With KVM, we don't actually know whether KVM supports an 118553018216SPaolo Bonzini * unbounded RMA (PR KVM) or is limited by the hash table size 118653018216SPaolo Bonzini * (HV KVM using VRMA), so we always assume the latter 118753018216SPaolo Bonzini * 118853018216SPaolo Bonzini * In that case, we also limit the initial allocations for RTAS 118953018216SPaolo Bonzini * etc... to 256M since we have no way to know what the VRMA size 119053018216SPaolo Bonzini * is going to be as it depends on the size of the hash table 119153018216SPaolo Bonzini * isn't determined yet. 119253018216SPaolo Bonzini */ 119353018216SPaolo Bonzini if (kvm_enabled()) { 119453018216SPaolo Bonzini spapr->vrma_adjust = 1; 119553018216SPaolo Bonzini spapr->rma_size = MIN(spapr->rma_size, 0x10000000); 119653018216SPaolo Bonzini } 119753018216SPaolo Bonzini } 119853018216SPaolo Bonzini 1199c4177479SAlexey Kardashevskiy if (spapr->rma_size > node0_size) { 1200c4177479SAlexey Kardashevskiy fprintf(stderr, "Error: Numa node 0 has to span the RMA (%#08"HWADDR_PRIx")\n", 1201c4177479SAlexey Kardashevskiy spapr->rma_size); 1202c4177479SAlexey Kardashevskiy exit(1); 1203c4177479SAlexey Kardashevskiy } 1204c4177479SAlexey Kardashevskiy 120553018216SPaolo Bonzini /* We place the device tree and RTAS just below either the top of the RMA, 120653018216SPaolo Bonzini * or just below 2GB, whichever is lowere, so that it can be 120753018216SPaolo Bonzini * processed with 32-bit real mode code if necessary */ 120853018216SPaolo Bonzini rtas_limit = MIN(spapr->rma_size, 0x80000000); 120953018216SPaolo Bonzini spapr->rtas_addr = rtas_limit - RTAS_MAX_SIZE; 121053018216SPaolo Bonzini spapr->fdt_addr = spapr->rtas_addr - FDT_MAX_SIZE; 121153018216SPaolo Bonzini load_limit = spapr->fdt_addr - FW_OVERHEAD; 121253018216SPaolo Bonzini 121353018216SPaolo Bonzini /* We aim for a hash table of size 1/128 the size of RAM. The 121453018216SPaolo Bonzini * normal rule of thumb is 1/64 the size of RAM, but that's much 121553018216SPaolo Bonzini * more than needed for the Linux guests we support. */ 121653018216SPaolo Bonzini spapr->htab_shift = 18; /* Minimum architected size */ 121753018216SPaolo Bonzini while (spapr->htab_shift <= 46) { 121853018216SPaolo Bonzini if ((1ULL << (spapr->htab_shift + 7)) >= ram_size) { 121953018216SPaolo Bonzini break; 122053018216SPaolo Bonzini } 122153018216SPaolo Bonzini spapr->htab_shift++; 122253018216SPaolo Bonzini } 122353018216SPaolo Bonzini 12247b565160SDavid Gibson /* Set up Interrupt Controller before we create the VCPUs */ 12257b565160SDavid Gibson spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads, 12267b565160SDavid Gibson XICS_IRQS); 12277b565160SDavid Gibson spapr->next_irq = XICS_IRQ_BASE; 12287b565160SDavid Gibson 122953018216SPaolo Bonzini /* init CPUs */ 123053018216SPaolo Bonzini if (cpu_model == NULL) { 123153018216SPaolo Bonzini cpu_model = kvm_enabled() ? "host" : "POWER7"; 123253018216SPaolo Bonzini } 123353018216SPaolo Bonzini for (i = 0; i < smp_cpus; i++) { 123453018216SPaolo Bonzini cpu = cpu_ppc_init(cpu_model); 123553018216SPaolo Bonzini if (cpu == NULL) { 123653018216SPaolo Bonzini fprintf(stderr, "Unable to find PowerPC CPU definition\n"); 123753018216SPaolo Bonzini exit(1); 123853018216SPaolo Bonzini } 123953018216SPaolo Bonzini env = &cpu->env; 124053018216SPaolo Bonzini 124153018216SPaolo Bonzini /* Set time-base frequency to 512 MHz */ 124253018216SPaolo Bonzini cpu_ppc_tb_init(env, TIMEBASE_FREQ); 124353018216SPaolo Bonzini 12442cf3eb6dSFabien Chouteau /* PAPR always has exception vectors in RAM not ROM. To ensure this, 12452cf3eb6dSFabien Chouteau * MSR[IP] should never be set. 12462cf3eb6dSFabien Chouteau */ 12472cf3eb6dSFabien Chouteau env->msr_mask &= ~(1 << 6); 124853018216SPaolo Bonzini 124953018216SPaolo Bonzini /* Tell KVM that we're in PAPR mode */ 125053018216SPaolo Bonzini if (kvm_enabled()) { 125153018216SPaolo Bonzini kvmppc_set_papr(cpu); 125253018216SPaolo Bonzini } 125353018216SPaolo Bonzini 125424408a7dSAlexey Kardashevskiy xics_cpu_setup(spapr->icp, cpu); 125524408a7dSAlexey Kardashevskiy 125653018216SPaolo Bonzini qemu_register_reset(spapr_cpu_reset, cpu); 125753018216SPaolo Bonzini } 125853018216SPaolo Bonzini 125953018216SPaolo Bonzini /* allocate RAM */ 126053018216SPaolo Bonzini spapr->ram_limit = ram_size; 126153018216SPaolo Bonzini if (spapr->ram_limit > rma_alloc_size) { 126253018216SPaolo Bonzini ram_addr_t nonrma_base = rma_alloc_size; 126353018216SPaolo Bonzini ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size; 126453018216SPaolo Bonzini 12652c9b15caSPaolo Bonzini memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size); 126653018216SPaolo Bonzini vmstate_register_ram_global(ram); 126753018216SPaolo Bonzini memory_region_add_subregion(sysmem, nonrma_base, ram); 126853018216SPaolo Bonzini } 126953018216SPaolo Bonzini 127053018216SPaolo Bonzini filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin"); 127153018216SPaolo Bonzini spapr->rtas_size = load_image_targphys(filename, spapr->rtas_addr, 127253018216SPaolo Bonzini rtas_limit - spapr->rtas_addr); 127353018216SPaolo Bonzini if (spapr->rtas_size < 0) { 127453018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 127553018216SPaolo Bonzini exit(1); 127653018216SPaolo Bonzini } 127753018216SPaolo Bonzini if (spapr->rtas_size > RTAS_MAX_SIZE) { 127853018216SPaolo Bonzini hw_error("RTAS too big ! 0x%lx bytes (max is 0x%x)\n", 127953018216SPaolo Bonzini spapr->rtas_size, RTAS_MAX_SIZE); 128053018216SPaolo Bonzini exit(1); 128153018216SPaolo Bonzini } 128253018216SPaolo Bonzini g_free(filename); 128353018216SPaolo Bonzini 128453018216SPaolo Bonzini /* Set up EPOW events infrastructure */ 128553018216SPaolo Bonzini spapr_events_init(spapr); 128653018216SPaolo Bonzini 128753018216SPaolo Bonzini /* Set up VIO bus */ 128853018216SPaolo Bonzini spapr->vio_bus = spapr_vio_bus_init(); 128953018216SPaolo Bonzini 129053018216SPaolo Bonzini for (i = 0; i < MAX_SERIAL_PORTS; i++) { 129153018216SPaolo Bonzini if (serial_hds[i]) { 129253018216SPaolo Bonzini spapr_vty_create(spapr->vio_bus, serial_hds[i]); 129353018216SPaolo Bonzini } 129453018216SPaolo Bonzini } 129553018216SPaolo Bonzini 129653018216SPaolo Bonzini /* We always have at least the nvram device on VIO */ 129753018216SPaolo Bonzini spapr_create_nvram(spapr); 129853018216SPaolo Bonzini 129953018216SPaolo Bonzini /* Set up PCI */ 1300f1c2dc7cSAlexey Kardashevskiy spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); 130153018216SPaolo Bonzini spapr_pci_rtas_init(); 130253018216SPaolo Bonzini 130389dfd6e1SDavid Gibson phb = spapr_create_phb(spapr, 0); 130453018216SPaolo Bonzini 130553018216SPaolo Bonzini for (i = 0; i < nb_nics; i++) { 130653018216SPaolo Bonzini NICInfo *nd = &nd_table[i]; 130753018216SPaolo Bonzini 130853018216SPaolo Bonzini if (!nd->model) { 130953018216SPaolo Bonzini nd->model = g_strdup("ibmveth"); 131053018216SPaolo Bonzini } 131153018216SPaolo Bonzini 131253018216SPaolo Bonzini if (strcmp(nd->model, "ibmveth") == 0) { 131353018216SPaolo Bonzini spapr_vlan_create(spapr->vio_bus, nd); 131453018216SPaolo Bonzini } else { 131529b358f9SDavid Gibson pci_nic_init_nofail(&nd_table[i], phb->bus, nd->model, NULL); 131653018216SPaolo Bonzini } 131753018216SPaolo Bonzini } 131853018216SPaolo Bonzini 131953018216SPaolo Bonzini for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) { 132053018216SPaolo Bonzini spapr_vscsi_create(spapr->vio_bus); 132153018216SPaolo Bonzini } 132253018216SPaolo Bonzini 132353018216SPaolo Bonzini /* Graphics */ 132453018216SPaolo Bonzini if (spapr_vga_init(phb->bus)) { 132553018216SPaolo Bonzini spapr->has_graphics = true; 132653018216SPaolo Bonzini } 132753018216SPaolo Bonzini 132853018216SPaolo Bonzini if (usb_enabled(spapr->has_graphics)) { 132953018216SPaolo Bonzini pci_create_simple(phb->bus, -1, "pci-ohci"); 133053018216SPaolo Bonzini if (spapr->has_graphics) { 133153018216SPaolo Bonzini usbdevice_create("keyboard"); 133253018216SPaolo Bonzini usbdevice_create("mouse"); 133353018216SPaolo Bonzini } 133453018216SPaolo Bonzini } 133553018216SPaolo Bonzini 133653018216SPaolo Bonzini if (spapr->rma_size < (MIN_RMA_SLOF << 20)) { 133753018216SPaolo Bonzini fprintf(stderr, "qemu: pSeries SLOF firmware requires >= " 133853018216SPaolo Bonzini "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF); 133953018216SPaolo Bonzini exit(1); 134053018216SPaolo Bonzini } 134153018216SPaolo Bonzini 134253018216SPaolo Bonzini if (kernel_filename) { 134353018216SPaolo Bonzini uint64_t lowaddr = 0; 134453018216SPaolo Bonzini 134553018216SPaolo Bonzini kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL, 134653018216SPaolo Bonzini NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0); 13473b66da82SAlexey Kardashevskiy if (kernel_size == ELF_LOAD_WRONG_ENDIAN) { 134816457e7fSBenjamin Herrenschmidt kernel_size = load_elf(kernel_filename, 134916457e7fSBenjamin Herrenschmidt translate_kernel_address, NULL, 135016457e7fSBenjamin Herrenschmidt NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0); 135116457e7fSBenjamin Herrenschmidt kernel_le = kernel_size > 0; 135216457e7fSBenjamin Herrenschmidt } 135316457e7fSBenjamin Herrenschmidt if (kernel_size < 0) { 13543b66da82SAlexey Kardashevskiy fprintf(stderr, "qemu: error loading %s: %s\n", 13553b66da82SAlexey Kardashevskiy kernel_filename, load_elf_strerror(kernel_size)); 135653018216SPaolo Bonzini exit(1); 135753018216SPaolo Bonzini } 135853018216SPaolo Bonzini 135953018216SPaolo Bonzini /* load initrd */ 136053018216SPaolo Bonzini if (initrd_filename) { 136153018216SPaolo Bonzini /* Try to locate the initrd in the gap between the kernel 136253018216SPaolo Bonzini * and the firmware. Add a bit of space just in case 136353018216SPaolo Bonzini */ 136453018216SPaolo Bonzini initrd_base = (KERNEL_LOAD_ADDR + kernel_size + 0x1ffff) & ~0xffff; 136553018216SPaolo Bonzini initrd_size = load_image_targphys(initrd_filename, initrd_base, 136653018216SPaolo Bonzini load_limit - initrd_base); 136753018216SPaolo Bonzini if (initrd_size < 0) { 136853018216SPaolo Bonzini fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", 136953018216SPaolo Bonzini initrd_filename); 137053018216SPaolo Bonzini exit(1); 137153018216SPaolo Bonzini } 137253018216SPaolo Bonzini } else { 137353018216SPaolo Bonzini initrd_base = 0; 137453018216SPaolo Bonzini initrd_size = 0; 137553018216SPaolo Bonzini } 137653018216SPaolo Bonzini } 137753018216SPaolo Bonzini 13788e7ea787SAndreas Färber if (bios_name == NULL) { 13798e7ea787SAndreas Färber bios_name = FW_FILE_NAME; 13808e7ea787SAndreas Färber } 13818e7ea787SAndreas Färber filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); 138253018216SPaolo Bonzini fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE); 138353018216SPaolo Bonzini if (fw_size < 0) { 138453018216SPaolo Bonzini hw_error("qemu: could not load LPAR rtas '%s'\n", filename); 138553018216SPaolo Bonzini exit(1); 138653018216SPaolo Bonzini } 138753018216SPaolo Bonzini g_free(filename); 138853018216SPaolo Bonzini 138953018216SPaolo Bonzini spapr->entry_point = 0x100; 139053018216SPaolo Bonzini 13914be21d56SDavid Gibson vmstate_register(NULL, 0, &vmstate_spapr, spapr); 13924be21d56SDavid Gibson register_savevm_live(NULL, "spapr/htab", -1, 1, 13934be21d56SDavid Gibson &savevm_htab_handlers, spapr); 13944be21d56SDavid Gibson 139553018216SPaolo Bonzini /* Prepare the device tree */ 13963bbf37f2SAndreas Färber spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size, 139716457e7fSBenjamin Herrenschmidt kernel_size, kernel_le, 139853018216SPaolo Bonzini boot_device, kernel_cmdline, 139953018216SPaolo Bonzini spapr->epow_irq); 140053018216SPaolo Bonzini assert(spapr->fdt_skel != NULL); 140153018216SPaolo Bonzini } 140253018216SPaolo Bonzini 1403135a129aSAneesh Kumar K.V static int spapr_kvm_type(const char *vm_type) 1404135a129aSAneesh Kumar K.V { 1405135a129aSAneesh Kumar K.V if (!vm_type) { 1406135a129aSAneesh Kumar K.V return 0; 1407135a129aSAneesh Kumar K.V } 1408135a129aSAneesh Kumar K.V 1409135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "HV")) { 1410135a129aSAneesh Kumar K.V return 1; 1411135a129aSAneesh Kumar K.V } 1412135a129aSAneesh Kumar K.V 1413135a129aSAneesh Kumar K.V if (!strcmp(vm_type, "PR")) { 1414135a129aSAneesh Kumar K.V return 2; 1415135a129aSAneesh Kumar K.V } 1416135a129aSAneesh Kumar K.V 1417135a129aSAneesh Kumar K.V error_report("Unknown kvm-type specified '%s'", vm_type); 1418135a129aSAneesh Kumar K.V exit(1); 1419135a129aSAneesh Kumar K.V } 1420135a129aSAneesh Kumar K.V 142171461b0fSAlexey Kardashevskiy /* 142271461b0fSAlexey Kardashevskiy * Implementation of an interface to adjust firmware patch 142371461b0fSAlexey Kardashevskiy * for the bootindex property handling. 142471461b0fSAlexey Kardashevskiy */ 142571461b0fSAlexey Kardashevskiy static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, 142671461b0fSAlexey Kardashevskiy DeviceState *dev) 142771461b0fSAlexey Kardashevskiy { 142871461b0fSAlexey Kardashevskiy #define CAST(type, obj, name) \ 142971461b0fSAlexey Kardashevskiy ((type *)object_dynamic_cast(OBJECT(obj), (name))) 143071461b0fSAlexey Kardashevskiy SCSIDevice *d = CAST(SCSIDevice, dev, TYPE_SCSI_DEVICE); 143171461b0fSAlexey Kardashevskiy sPAPRPHBState *phb = CAST(sPAPRPHBState, dev, TYPE_SPAPR_PCI_HOST_BRIDGE); 143271461b0fSAlexey Kardashevskiy 143371461b0fSAlexey Kardashevskiy if (d) { 143471461b0fSAlexey Kardashevskiy void *spapr = CAST(void, bus->parent, "spapr-vscsi"); 143571461b0fSAlexey Kardashevskiy VirtIOSCSI *virtio = CAST(VirtIOSCSI, bus->parent, TYPE_VIRTIO_SCSI); 143671461b0fSAlexey Kardashevskiy USBDevice *usb = CAST(USBDevice, bus->parent, TYPE_USB_DEVICE); 143771461b0fSAlexey Kardashevskiy 143871461b0fSAlexey Kardashevskiy if (spapr) { 143971461b0fSAlexey Kardashevskiy /* 144071461b0fSAlexey Kardashevskiy * Replace "channel@0/disk@0,0" with "disk@8000000000000000": 144171461b0fSAlexey Kardashevskiy * We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun 144271461b0fSAlexey Kardashevskiy * in the top 16 bits of the 64-bit LUN 144371461b0fSAlexey Kardashevskiy */ 144471461b0fSAlexey Kardashevskiy unsigned id = 0x8000 | (d->id << 8) | d->lun; 144571461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 144671461b0fSAlexey Kardashevskiy (uint64_t)id << 48); 144771461b0fSAlexey Kardashevskiy } else if (virtio) { 144871461b0fSAlexey Kardashevskiy /* 144971461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (target << 8) | lun 145071461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 145171461b0fSAlexey Kardashevskiy * Note: the quote above is from SLOF and it is wrong, 145271461b0fSAlexey Kardashevskiy * the actual binding is: 145371461b0fSAlexey Kardashevskiy * swap 0100 or 10 << or 20 << ( target lun-id -- srplun ) 145471461b0fSAlexey Kardashevskiy */ 145571461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (d->id << 16) | d->lun; 145671461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 145771461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 145871461b0fSAlexey Kardashevskiy } else if (usb) { 145971461b0fSAlexey Kardashevskiy /* 146071461b0fSAlexey Kardashevskiy * We use SRP luns of the form 01000000 | (usb-port << 16) | lun 146171461b0fSAlexey Kardashevskiy * in the top 32 bits of the 64-bit LUN 146271461b0fSAlexey Kardashevskiy */ 146371461b0fSAlexey Kardashevskiy unsigned usb_port = atoi(usb->port->path); 146471461b0fSAlexey Kardashevskiy unsigned id = 0x1000000 | (usb_port << 16) | d->lun; 146571461b0fSAlexey Kardashevskiy return g_strdup_printf("%s@%"PRIX64, qdev_fw_name(dev), 146671461b0fSAlexey Kardashevskiy (uint64_t)id << 32); 146771461b0fSAlexey Kardashevskiy } 146871461b0fSAlexey Kardashevskiy } 146971461b0fSAlexey Kardashevskiy 147071461b0fSAlexey Kardashevskiy if (phb) { 147171461b0fSAlexey Kardashevskiy /* Replace "pci" with "pci@800000020000000" */ 147271461b0fSAlexey Kardashevskiy return g_strdup_printf("pci@%"PRIX64, phb->buid); 147371461b0fSAlexey Kardashevskiy } 147471461b0fSAlexey Kardashevskiy 147571461b0fSAlexey Kardashevskiy return NULL; 147671461b0fSAlexey Kardashevskiy } 147771461b0fSAlexey Kardashevskiy 147829ee3247SAlexey Kardashevskiy static void spapr_machine_class_init(ObjectClass *oc, void *data) 147953018216SPaolo Bonzini { 148029ee3247SAlexey Kardashevskiy MachineClass *mc = MACHINE_CLASS(oc); 148171461b0fSAlexey Kardashevskiy FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); 148229ee3247SAlexey Kardashevskiy 1483958db90cSMarcel Apfelbaum mc->name = "pseries"; 1484958db90cSMarcel Apfelbaum mc->desc = "pSeries Logical Partition (PAPR compliant)"; 1485958db90cSMarcel Apfelbaum mc->is_default = 1; 1486958db90cSMarcel Apfelbaum mc->init = ppc_spapr_init; 1487958db90cSMarcel Apfelbaum mc->reset = ppc_spapr_reset; 1488958db90cSMarcel Apfelbaum mc->block_default_type = IF_SCSI; 1489958db90cSMarcel Apfelbaum mc->max_cpus = MAX_CPUS; 1490958db90cSMarcel Apfelbaum mc->no_parallel = 1; 1491958db90cSMarcel Apfelbaum mc->default_boot_order = NULL; 1492958db90cSMarcel Apfelbaum mc->kvm_type = spapr_kvm_type; 149300b4fbe2SMarcel Apfelbaum 149471461b0fSAlexey Kardashevskiy fwc->get_dev_path = spapr_get_fw_dev_path; 149553018216SPaolo Bonzini } 149653018216SPaolo Bonzini 149729ee3247SAlexey Kardashevskiy static const TypeInfo spapr_machine_info = { 149829ee3247SAlexey Kardashevskiy .name = TYPE_SPAPR_MACHINE, 149929ee3247SAlexey Kardashevskiy .parent = TYPE_MACHINE, 150029ee3247SAlexey Kardashevskiy .class_init = spapr_machine_class_init, 150171461b0fSAlexey Kardashevskiy .interfaces = (InterfaceInfo[]) { 150271461b0fSAlexey Kardashevskiy { TYPE_FW_PATH_PROVIDER }, 150371461b0fSAlexey Kardashevskiy { } 150471461b0fSAlexey Kardashevskiy }, 150529ee3247SAlexey Kardashevskiy }; 150629ee3247SAlexey Kardashevskiy 150729ee3247SAlexey Kardashevskiy static void spapr_machine_register_types(void) 150829ee3247SAlexey Kardashevskiy { 150929ee3247SAlexey Kardashevskiy type_register_static(&spapr_machine_info); 151029ee3247SAlexey Kardashevskiy } 151129ee3247SAlexey Kardashevskiy 151229ee3247SAlexey Kardashevskiy type_init(spapr_machine_register_types) 1513