#include "sysemu/kvm.h"
#include "kvm_ppc.h"
#include "mmu-hash64.h"
+#include "qom/cpu.h"
#include "hw/boards.h"
#include "hw/ppc/ppc.h"
#define TIMEBASE_FREQ 512000000ULL
#define MAX_CPUS 256
-#define XICS_IRQS 1024
#define PHANDLE_XICP 0x00001111
#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
-#define TYPE_SPAPR_MACHINE "spapr-machine"
-
-sPAPREnvironment *spapr;
-
-int spapr_allocate_irq(int hint, bool lsi)
-{
- int irq;
-
- if (hint) {
- irq = hint;
- if (hint >= spapr->next_irq) {
- spapr->next_irq = hint + 1;
- }
- /* FIXME: we should probably check for collisions somehow */
- } else {
- irq = spapr->next_irq++;
- }
+typedef struct sPAPRMachineState sPAPRMachineState;
- /* Configure irq type */
- if (!xics_get_qirq(spapr->icp, irq)) {
- return 0;
- }
-
- xics_set_irq_type(spapr->icp, irq, lsi);
-
- return irq;
-}
+#define TYPE_SPAPR_MACHINE "spapr-machine"
+#define SPAPR_MACHINE(obj) \
+ OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
-/*
- * Allocate block of consequtive IRQs, returns a number of the first.
- * If msi==true, aligns the first IRQ number to num.
+/**
+ * sPAPRMachineState:
*/
-int spapr_allocate_irq_block(int num, bool lsi, bool msi)
-{
- int first = -1;
- int i, hint = 0;
+struct sPAPRMachineState {
+ /*< private >*/
+ MachineState parent_obj;
- /*
- * MSIMesage::data is used for storing VIRQ so
- * it has to be aligned to num to support multiple
- * MSI vectors. MSI-X is not affected by this.
- * The hint is used for the first IRQ, the rest should
- * be allocated continuously.
- */
- if (msi) {
- assert((num == 1) || (num == 2) || (num == 4) ||
- (num == 8) || (num == 16) || (num == 32));
- hint = (spapr->next_irq + num - 1) & ~(num - 1);
- }
-
- for (i = 0; i < num; ++i) {
- int irq;
-
- irq = spapr_allocate_irq(hint, lsi);
- if (!irq) {
- return -1;
- }
-
- if (0 == i) {
- first = irq;
- hint = 0;
- }
-
- /* If the above doesn't create a consecutive block then that's
- * an internal bug */
- assert(irq == (first + i));
- }
+ /*< public >*/
+ char *kvm_type;
+};
- return first;
-}
+sPAPREnvironment *spapr;
static XICSState *try_create_xics(const char *type, int nr_servers,
int nr_irqs)
int index = ppc_get_vcpu_dt_id(cpu);
if (cpu->cpu_version) {
- ret = fdt_setprop(fdt, offset, "cpu-version",
- &cpu->cpu_version, sizeof(cpu->cpu_version));
+ ret = fdt_setprop_cell(fdt, offset, "cpu-version", cpu->cpu_version);
if (ret < 0) {
return ret;
}
static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
{
- int ret = 0, offset;
- CPUState *cpu;
+ int ret = 0, offset, cpus_offset;
+ CPUState *cs;
char cpu_model[32];
int smt = kvmppc_smt_threads();
uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
- CPU_FOREACH(cpu) {
- DeviceClass *dc = DEVICE_GET_CLASS(cpu);
- int index = ppc_get_vcpu_dt_id(POWERPC_CPU(cpu));
+ CPU_FOREACH(cs) {
+ PowerPCCPU *cpu = POWERPC_CPU(cs);
+ DeviceClass *dc = DEVICE_GET_CLASS(cs);
+ int index = ppc_get_vcpu_dt_id(cpu);
uint32_t associativity[] = {cpu_to_be32(0x5),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
- cpu_to_be32(cpu->numa_node),
+ cpu_to_be32(cs->numa_node),
cpu_to_be32(index)};
if ((index % smt) != 0) {
continue;
}
- snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name,
- index);
+ snprintf(cpu_model, 32, "%s@%x", dc->fw_name, index);
- offset = fdt_path_offset(fdt, cpu_model);
+ cpus_offset = fdt_path_offset(fdt, "/cpus");
+ if (cpus_offset < 0) {
+ cpus_offset = fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"),
+ "cpus");
+ if (cpus_offset < 0) {
+ return cpus_offset;
+ }
+ }
+ offset = fdt_subnode_offset(fdt, cpus_offset, cpu_model);
if (offset < 0) {
- return offset;
+ offset = fdt_add_subnode(fdt, cpus_offset, cpu_model);
+ if (offset < 0) {
+ return offset;
+ }
}
if (nb_numa_nodes > 1) {
return ret;
}
- ret = spapr_fixup_cpu_smt_dt(fdt, offset, POWERPC_CPU(cpu),
- smp_threads);
+ ret = spapr_fixup_cpu_smt_dt(fdt, offset, cpu,
+ ppc_get_compat_smt_threads(cpu));
if (ret < 0) {
return ret;
}
} \
} while (0)
+static void add_str(GString *s, const gchar *s1)
+{
+ g_string_append_len(s, s1, strlen(s1) + 1);
+}
static void *spapr_create_fdt_skel(hwaddr initrd_base,
hwaddr initrd_size,
CPUState *cs;
uint32_t start_prop = cpu_to_be32(initrd_base);
uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
- char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
- "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode";
- char qemu_hypertas_prop[] = "hcall-memop1";
+ GString *hypertas = g_string_sized_new(256);
+ GString *qemu_hypertas = g_string_sized_new(256);
uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
int smt = kvmppc_smt_threads();
unsigned sockets = opts ? qemu_opt_get_number(opts, "sockets", 0) : 0;
uint32_t cpus_per_socket = sockets ? (smp_cpus / sockets) : 1;
+ add_str(hypertas, "hcall-pft");
+ add_str(hypertas, "hcall-term");
+ add_str(hypertas, "hcall-dabr");
+ add_str(hypertas, "hcall-interrupt");
+ add_str(hypertas, "hcall-tce");
+ add_str(hypertas, "hcall-vio");
+ add_str(hypertas, "hcall-splpar");
+ add_str(hypertas, "hcall-bulk");
+ add_str(hypertas, "hcall-set-mode");
+ add_str(qemu_hypertas, "hcall-memop1");
+
fdt = g_malloc0(FDT_MAX_SIZE);
_FDT((fdt_create(fdt, FDT_MAX_SIZE)));
if (boot_device) {
_FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
}
+ if (boot_menu) {
+ _FDT((fdt_property_cell(fdt, "qemu,boot-menu", boot_menu)));
+ }
_FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width)));
_FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height)));
_FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth)));
/* RTAS */
_FDT((fdt_begin_node(fdt, "rtas")));
- _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas_prop,
- sizeof(hypertas_prop))));
- _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas_prop,
- sizeof(qemu_hypertas_prop))));
+ if (!kvm_enabled() || kvmppc_spapr_use_multitce()) {
+ add_str(hypertas, "hcall-multi-tce");
+ }
+ _FDT((fdt_property(fdt, "ibm,hypertas-functions", hypertas->str,
+ hypertas->len)));
+ g_string_free(hypertas, TRUE);
+ _FDT((fdt_property(fdt, "qemu,hypertas-functions", qemu_hypertas->str,
+ qemu_hypertas->len)));
+ g_string_free(qemu_hypertas, TRUE);
_FDT((fdt_property(fdt, "ibm,associativity-reference-points",
refpoints, sizeof(refpoints))));
/* event-sources */
spapr_events_fdt_skel(fdt, epow_irq);
+ /* /hypervisor node */
+ if (kvm_enabled()) {
+ uint8_t hypercall[16];
+
+ /* indicate KVM hypercall interface */
+ _FDT((fdt_begin_node(fdt, "hypervisor")));
+ _FDT((fdt_property_string(fdt, "compatible", "linux,kvm")));
+ if (kvmppc_has_cap_fixup_hcalls()) {
+ /*
+ * Older KVM versions with older guest kernels were broken with the
+ * magic page, don't allow the guest to map it.
+ */
+ kvmppc_get_hypercall(first_cpu->env_ptr, hypercall,
+ sizeof(hypercall));
+ _FDT((fdt_property(fdt, "hcall-instructions", hypercall,
+ sizeof(hypercall))));
+ }
+ _FDT((fdt_end_node(fdt)));
+ }
+
_FDT((fdt_end_node(fdt))); /* close root node */
_FDT((fdt_finish(fdt)));
_FDT((fdt_open_into(fdt_skel, fdt, size)));
g_free(fdt_skel);
- /* Place to make changes to the tree */
+ /* Fix skeleton up */
+ _FDT((spapr_fixup_cpu_dt(fdt, spapr)));
/* Pack resulting tree */
_FDT((fdt_pack(fdt)));
int i, off;
/* memory node(s) */
- if (nb_numa_nodes > 1 && node_mem[0] < ram_size) {
- node0_size = node_mem[0];
+ if (nb_numa_nodes > 1 && numa_info[0].node_mem < ram_size) {
+ node0_size = numa_info[0].node_mem;
} else {
node0_size = ram_size;
}
if (mem_start >= ram_size) {
node_size = 0;
} else {
- node_size = node_mem[i];
+ node_size = numa_info[i].node_mem;
if (node_size > ram_size - mem_start) {
node_size = ram_size - mem_start;
}
/* Update the RMA size if necessary */
if (spapr->vrma_adjust) {
- hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
+ hwaddr node0_size = (nb_numa_nodes > 1) ?
+ numa_info[0].node_mem : ram_size;
spapr->rma_size = kvmppc_rma_size(node0_size, spapr->htab_shift);
}
}
.version_id = 2,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
- VMSTATE_UINT32(next_irq, sPAPREnvironment),
+ VMSTATE_UNUSED(4), /* used to be @next_irq */
/* RTC offset */
VMSTATE_UINT64(rtc_offset, sPAPREnvironment),
int i;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *ram = g_new(MemoryRegion, 1);
+ MemoryRegion *rma_region;
+ void *rma = NULL;
hwaddr rma_alloc_size;
- hwaddr node0_size = (nb_numa_nodes > 1) ? node_mem[0] : ram_size;
+ hwaddr node0_size = (nb_numa_nodes > 1) ? numa_info[0].node_mem : ram_size;
uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size;
cpu_ppc_hypercall = emulate_spapr_hypercall;
/* Allocate RMA if necessary */
- rma_alloc_size = kvmppc_alloc_rma("ppc_spapr.rma", sysmem);
+ rma_alloc_size = kvmppc_alloc_rma(&rma);
if (rma_alloc_size == -1) {
hw_error("qemu: Unable to create RMA\n");
/* Set up Interrupt Controller before we create the VCPUs */
spapr->icp = xics_system_init(smp_cpus * kvmppc_smt_threads() / smp_threads,
XICS_IRQS);
- spapr->next_irq = XICS_IRQ_BASE;
/* init CPUs */
if (cpu_model == NULL) {
/* allocate RAM */
spapr->ram_limit = ram_size;
- if (spapr->ram_limit > rma_alloc_size) {
- ram_addr_t nonrma_base = rma_alloc_size;
- ram_addr_t nonrma_size = spapr->ram_limit - rma_alloc_size;
+ memory_region_allocate_system_memory(ram, NULL, "ppc_spapr.ram",
+ spapr->ram_limit);
+ memory_region_add_subregion(sysmem, 0, ram);
- memory_region_init_ram(ram, NULL, "ppc_spapr.ram", nonrma_size);
- vmstate_register_ram_global(ram);
- memory_region_add_subregion(sysmem, nonrma_base, ram);
+ if (rma_alloc_size && rma) {
+ rma_region = g_new(MemoryRegion, 1);
+ memory_region_init_ram_ptr(rma_region, NULL, "ppc_spapr.rma",
+ rma_alloc_size, rma);
+ vmstate_register_ram_global(rma_region);
+ memory_region_add_subregion(sysmem, 0, rma_region);
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
return NULL;
}
+static char *spapr_get_kvm_type(Object *obj, Error **errp)
+{
+ sPAPRMachineState *sm = SPAPR_MACHINE(obj);
+
+ return g_strdup(sm->kvm_type);
+}
+
+static void spapr_set_kvm_type(Object *obj, const char *value, Error **errp)
+{
+ sPAPRMachineState *sm = SPAPR_MACHINE(obj);
+
+ g_free(sm->kvm_type);
+ sm->kvm_type = g_strdup(value);
+}
+
+static void spapr_machine_initfn(Object *obj)
+{
+ object_property_add_str(obj, "kvm-type",
+ spapr_get_kvm_type, spapr_set_kvm_type, NULL);
+}
+
static void spapr_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
static const TypeInfo spapr_machine_info = {
.name = TYPE_SPAPR_MACHINE,
.parent = TYPE_MACHINE,
+ .instance_size = sizeof(sPAPRMachineState),
+ .instance_init = spapr_machine_initfn,
.class_init = spapr_machine_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_FW_PATH_PROVIDER },
},
};
+static void spapr_machine_2_1_class_init(ObjectClass *oc, void *data)
+{
+ MachineClass *mc = MACHINE_CLASS(oc);
+
+ mc->name = "pseries-2.1";
+ mc->desc = "pSeries Logical Partition (PAPR compliant) v2.1";
+ mc->is_default = 0;
+}
+
+static const TypeInfo spapr_machine_2_1_info = {
+ .name = TYPE_SPAPR_MACHINE "2.1",
+ .parent = TYPE_SPAPR_MACHINE,
+ .class_init = spapr_machine_2_1_class_init,
+};
+
static void spapr_machine_register_types(void)
{
type_register_static(&spapr_machine_info);
+ type_register_static(&spapr_machine_2_1_info);
}
type_init(spapr_machine_register_types)
projects / qemu.git / blobdiff