Merge remote-tracking branch 'qemu-kvm/uq/master' into staging

[qemu.git] / hw / ppc / spapr.c

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 6322c986c0f4805e59178ee116397327d6d1c9df..7e53a5f97781086f06c1483bf4890661d60babae 100644 (file)
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -120,7 +120,7 @@ int spapr_allocate_irq_block(int num, bool lsi, bool msi)
      * 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 continously.
+     * be allocated continuously.
      */
     if (msi) {
         assert((num == 1) || (num == 2) || (num == 4) ||
@@ -161,14 +161,33 @@ static XICSState *try_create_xics(const char *type, int nr_servers,
         return NULL;
     }
 
-    return XICS(dev);
+    return XICS_COMMON(dev);
 }
 
 static XICSState *xics_system_init(int nr_servers, int nr_irqs)
 {
     XICSState *icp = NULL;
 
-    icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+    if (kvm_enabled()) {
+        QemuOpts *machine_opts = qemu_get_machine_opts();
+        bool irqchip_allowed = qemu_opt_get_bool(machine_opts,
+                                                "kernel_irqchip", true);
+        bool irqchip_required = qemu_opt_get_bool(machine_opts,
+                                                  "kernel_irqchip", false);
+        if (irqchip_allowed) {
+            icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs);
+        }
+
+        if (irqchip_required && !icp) {
+            perror("Failed to create in-kernel XICS\n");
+            abort();
+        }
+    }
+
+    if (!icp) {
+        icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+    }
+
     if (!icp) {
         perror("Failed to create XICS\n");
         abort();
@@ -185,9 +204,8 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
     int smt = kvmppc_smt_threads();
     uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
 
-    assert(spapr->cpu_model);
-
     CPU_FOREACH(cpu) {
+        DeviceClass *dc = DEVICE_GET_CLASS(cpu);
         uint32_t associativity[] = {cpu_to_be32(0x5),
                                     cpu_to_be32(0x0),
                                     cpu_to_be32(0x0),
@@ -199,7 +217,7 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
             continue;
         }
 
-        snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model,
+        snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name,
                  cpu->cpu_index);
 
         offset = fdt_path_offset(fdt, cpu_model);
@@ -269,8 +287,7 @@ static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop,
     } while (0)
 
 
-static void *spapr_create_fdt_skel(const char *cpu_model,
-                                   hwaddr initrd_base,
+static void *spapr_create_fdt_skel(hwaddr initrd_base,
                                    hwaddr initrd_size,
                                    hwaddr kernel_size,
                                    bool little_endian,
@@ -287,7 +304,6 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
     char qemu_hypertas_prop[] = "hcall-memop1";
     uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
     uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
-    char *modelname;
     int i, smt = kvmppc_smt_threads();
     unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80};
 
@@ -346,18 +362,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
     _FDT((fdt_property_cell(fdt, "#address-cells", 0x1)));
     _FDT((fdt_property_cell(fdt, "#size-cells", 0x0)));
 
-    modelname = g_strdup(cpu_model);
-
-    for (i = 0; i < strlen(modelname); i++) {
-        modelname[i] = toupper(modelname[i]);
-    }
-
-    /* This is needed during FDT finalization */
-    spapr->cpu_model = g_strdup(modelname);
-
     CPU_FOREACH(cs) {
         PowerPCCPU *cpu = POWERPC_CPU(cs);
         CPUPPCState *env = &cpu->env;
+        DeviceClass *dc = DEVICE_GET_CLASS(cs);
         PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
         int index = cs->cpu_index;
         uint32_t servers_prop[smp_threads];
@@ -374,7 +382,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
             continue;
         }
 
-        nodename = g_strdup_printf("%s@%x", modelname, index);
+        nodename = g_strdup_printf("%s@%x", dc->fw_name, index);
 
         _FDT((fdt_begin_node(fdt, nodename)));
 
@@ -422,6 +430,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
         _FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s",
                            gservers_prop, sizeof(gservers_prop))));
 
+        if (env->spr_cb[SPR_PURR].oea_read) {
+            _FDT((fdt_property(fdt, "ibm,purr", NULL, 0)));
+        }
+
         if (env->mmu_model & POWERPC_MMU_1TSEG) {
             _FDT((fdt_property(fdt, "ibm,processor-segment-sizes",
                                segs, sizeof(segs))));
@@ -454,8 +466,6 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
         _FDT((fdt_end_node(fdt)));
     }
 
-    g_free(modelname);
-
     _FDT((fdt_end_node(fdt)));
 
     /* RTAS */
@@ -1180,8 +1190,6 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
         }
         env = &cpu->env;
 
-        xics_cpu_setup(spapr->icp, cpu);
-
         /* Set time-base frequency to 512 MHz */
         cpu_ppc_tb_init(env, TIMEBASE_FREQ);
 
@@ -1195,6 +1203,8 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
             kvmppc_set_papr(cpu);
         }
 
+        xics_cpu_setup(spapr->icp, cpu);
+
         qemu_register_reset(spapr_cpu_reset, cpu);
     }
 
@@ -1340,8 +1350,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
                          &savevm_htab_handlers, spapr);
 
     /* Prepare the device tree */
-    spapr->fdt_skel = spapr_create_fdt_skel(cpu_model,
-                                            initrd_base, initrd_size,
+    spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size,
                                             kernel_size, kernel_le,
                                             boot_device, kernel_cmdline,
                                             spapr->epow_irq);