{"id":806343,"url":"http://patchwork.ozlabs.org/api/1.0/patches/806343/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20170828015654.2530-4-Sergio.G.DelReal@gmail.com>","date":"2017-08-28T01:56:43","name":"[03/14] hvf: add conditional macros around hvf code in cpus.c","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"779fa68f3f0c04ed818451a6f55f2ee9ab8e102a","submitter":{"id":70675,"url":"http://patchwork.ozlabs.org/api/1.0/people/70675/?format=json","name":"Sergio Andres Gomez Del Real","email":"sergio.g.delreal@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20170828015654.2530-4-Sergio.G.DelReal@gmail.com/mbox/","series":[{"id":56,"url":"http://patchwork.ozlabs.org/api/1.0/series/56/?format=json","date":"2017-08-28T01:56:40","name":"add support for Hypervisor.framework in QEMU","version":1,"mbox":"http://patchwork.ozlabs.org/series/56/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/806343/checks/","tags":{},"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; 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This one should only run when the host\n+ * CPU supports the VMX \"unrestricted guest\" feature. */\n+static void *qemu_hvf_cpu_thread_fn(void *arg)\n+{\n+    CPUState *cpu = arg;\n+\n+    int r;\n+\n+    assert(hvf_enabled());\n+\n+    rcu_register_thread();\n+\n+    qemu_mutex_lock_iothread();\n+    qemu_thread_get_self(cpu->thread);\n+\n+    cpu->thread_id = qemu_get_thread_id();\n+    cpu->can_do_io = 1;\n+    current_cpu = cpu;\n+\n+    hvf_init_vcpu(cpu);\n+\n+    /* signal CPU creation */\n+    cpu->created = true;\n+    qemu_cond_signal(&qemu_cpu_cond);\n+\n+    do {\n+        if (cpu_can_run(cpu)) {\n+            r = hvf_vcpu_exec(cpu);\n+            if (r == EXCP_DEBUG) {\n+                cpu_handle_guest_debug(cpu);\n+            }\n+        }\n+        qemu_hvf_wait_io_event(cpu);\n+    } while (!cpu->unplug || cpu_can_run(cpu));\n+\n+    hvf_vcpu_destroy(cpu);\n+    cpu->created = false;\n+    qemu_cond_signal(&qemu_cpu_cond);\n+    qemu_mutex_unlock_iothread();\n+    return NULL;\n+}\n+\n+static void qemu_hvf_start_vcpu(CPUState *cpu)\n+{\n+    char thread_name[VCPU_THREAD_NAME_SIZE];\n+\n+    /* HVF currently does not support TCG, and only runs in\n+     * unrestricted-guest mode. */\n+    assert(hvf_enabled());\n+\n+    cpu->thread = g_malloc0(sizeof(QemuThread));\n+    cpu->halt_cond = g_malloc0(sizeof(QemuCond));\n+    qemu_cond_init(cpu->halt_cond);\n+\n+    snprintf(thread_name, VCPU_THREAD_NAME_SIZE, \"CPU %d/HVF\",\n+             cpu->cpu_index);\n+    qemu_thread_create(cpu->thread, thread_name, qemu_hvf_cpu_thread_fn,\n+                       cpu, QEMU_THREAD_JOINABLE);\n+    while (!cpu->created) {\n+        qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);\n+    }\n+}\n+\n+#endif\n+\n static void *qemu_kvm_cpu_thread_fn(void *arg)\n {\n     CPUState *cpu = arg;\n@@ -1434,48 +1527,6 @@ static void *qemu_hax_cpu_thread_fn(void *arg)\n     return NULL;\n }\n \n-/* The HVF-specific vCPU thread function. This one should only run when the host\n- * CPU supports the VMX \"unrestricted guest\" feature. */\n-static void *qemu_hvf_cpu_thread_fn(void *arg)\n-{\n-    CPUState *cpu = arg;\n-\n-    int r;\n-\n-    assert(hvf_enabled());\n-\n-    rcu_register_thread();\n-\n-    qemu_mutex_lock_iothread();\n-    qemu_thread_get_self(cpu->thread);\n-\n-    cpu->thread_id = qemu_get_thread_id();\n-    cpu->can_do_io = 1;\n-    current_cpu = cpu;\n-\n-    hvf_init_vcpu(cpu);\n-\n-    /* signal CPU creation */\n-    cpu->created = true;\n-    qemu_cond_signal(&qemu_cpu_cond);\n-\n-    do {\n-        if (cpu_can_run(cpu)) {\n-            r = hvf_vcpu_exec(cpu);\n-            if (r == EXCP_DEBUG) {\n-                cpu_handle_guest_debug(cpu);\n-            }\n-        }\n-        qemu_hvf_wait_io_event(cpu);\n-    } while (!cpu->unplug || cpu_can_run(cpu));\n-\n-    hvf_vcpu_destroy(cpu);\n-    cpu->created = false;\n-    qemu_cond_signal(&qemu_cpu_cond);\n-    qemu_mutex_unlock_iothread();\n-    return NULL;\n-}\n-\n #ifdef _WIN32\n static void CALLBACK dummy_apc_func(ULONG_PTR unused)\n {\n@@ -1564,6 +1615,11 @@ static void qemu_cpu_kick_thread(CPUState *cpu)\n         fprintf(stderr, \"qemu:%s: %s\", __func__, strerror(err));\n         exit(1);\n     }\n+#ifdef CONFIG_HVF\n+    if (hvf_enabled()) {\n+        cpu_exit(cpu);\n+    }\n+#endif\n #else /* _WIN32 */\n     if (!qemu_cpu_is_self(cpu)) {\n         if (!QueueUserAPC(dummy_apc_func, cpu->hThread, 0)) {\n@@ -1698,9 +1754,6 @@ void cpu_remove_sync(CPUState *cpu)\n     }\n }\n \n-/* For temporary buffers for forming a name */\n-#define VCPU_THREAD_NAME_SIZE 16\n-\n static void qemu_tcg_init_vcpu(CPUState *cpu)\n {\n     char thread_name[VCPU_THREAD_NAME_SIZE];\n@@ -1816,6 +1869,10 @@ void qemu_init_vcpu(CPUState *cpu)\n         qemu_kvm_start_vcpu(cpu);\n     } else if (hax_enabled()) {\n         qemu_hax_start_vcpu(cpu);\n+#ifdef CONFIG_HVF\n+    } else if (hvf_enabled()) {\n+        qemu_hvf_start_vcpu(cpu);\n+#endif\n     } else if (tcg_enabled()) {\n         qemu_tcg_init_vcpu(cpu);\n     } else {\ndiff --git a/include/sysemu/hvf.h b/include/sysemu/hvf.h\nindex b96bd5e8ba..5e2b5f8f76 100644\n--- a/include/sysemu/hvf.h\n+++ b/include/sysemu/hvf.h\n@@ -20,10 +20,12 @@\n #include \"qemu/bitops.h\"\n #include \"exec/memory.h\"\n #include \"sysemu/accel.h\"\n+\n+#ifdef CONFIG_HVF\n #include <Hypervisor/hv.h>\n #include <Hypervisor/hv_vmx.h>\n #include <Hypervisor/hv_error.h>\n-\n+#endif\n \n typedef struct hvf_slot {\n     uint64_t start;\n@@ -85,7 +87,6 @@ void __hvf_cpu_synchronize_state(CPUState *, run_on_cpu_data);\n void __hvf_cpu_synchronize_post_reset(CPUState *, run_on_cpu_data);\n void vmx_update_tpr(CPUState *);\n void update_apic_tpr(CPUState *);\n-int apic_get_highest_priority_irr(DeviceState *);\n int hvf_put_registers(CPUState *);\n \n #define TYPE_HVF_ACCEL ACCEL_CLASS_NAME(\"hvf\")\n","prefixes":["03/14"]}