accel: Rename 'hax_vcpu' as 'accel' in CPUState

All accelerators will share a single opaque context
in CPUState. Start by renaming 'hax_vcpu' as 'accel'.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230624174121.11508-7-philmd@linaro.org>

include/hw/core/cpu.h

@@ -443,7 +443,7 @@ struct CPUState {
     /* Used for user-only emulation of prctl(PR_SET_UNALIGN). */
     bool prctl_unalign_sigbus;
 
-    struct hax_vcpu_state *hax_vcpu;
+    struct hax_vcpu_state *accel;
 
     struct hvf_vcpu_state *hvf;
 

target/i386/hax/hax-accel-ops.c

@@ -71,7 +71,7 @@ static void hax_start_vcpu_thread(CPUState *cpu)
              cpu->cpu_index);
     qemu_thread_create(cpu->thread, thread_name, hax_cpu_thread_fn,
                        cpu, QEMU_THREAD_JOINABLE);
-    assert(cpu->hax_vcpu);
+    assert(cpu->accel);
 #ifdef _WIN32
     cpu->hThread = qemu_thread_get_handle(cpu->thread);
 #endif

target/i386/hax/hax-all.c

@@ -62,7 +62,7 @@ int valid_hax_tunnel_size(uint16_t size)
 
 hax_fd hax_vcpu_get_fd(CPUArchState *env)
 {
-    struct hax_vcpu_state *vcpu = env_cpu(env)->hax_vcpu;
+    struct hax_vcpu_state *vcpu = env_cpu(env)->accel;
     if (!vcpu) {
         return HAX_INVALID_FD;
     }
@@ -188,7 +188,7 @@ int hax_vcpu_create(int id)
 
 int hax_vcpu_destroy(CPUState *cpu)
 {
-    struct hax_vcpu_state *vcpu = cpu->hax_vcpu;
+    struct hax_vcpu_state *vcpu = cpu->accel;
 
     if (!hax_global.vm) {
         fprintf(stderr, "vcpu %x destroy failed, vm is null\n", vcpu->vcpu_id);
@@ -209,7 +209,7 @@ int hax_vcpu_destroy(CPUState *cpu)
     CloseHandle(cpu->hThread);
 #endif
     g_free(vcpu);
-    cpu->hax_vcpu = NULL;
+    cpu->accel = NULL;
     return 0;
 }
 
@@ -223,7 +223,7 @@ int hax_init_vcpu(CPUState *cpu)
         exit(-1);
     }
 
-    cpu->hax_vcpu = hax_global.vm->vcpus[cpu->cpu_index];
+    cpu->accel = hax_global.vm->vcpus[cpu->cpu_index];
     cpu->vcpu_dirty = true;
     qemu_register_reset(hax_reset_vcpu_state, cpu->env_ptr);
 
@@ -415,7 +415,7 @@ static int hax_handle_io(CPUArchState *env, uint32_t df, uint16_t port,
 static int hax_vcpu_interrupt(CPUArchState *env)
 {
     CPUState *cpu = env_cpu(env);
-    struct hax_vcpu_state *vcpu = cpu->hax_vcpu;
+    struct hax_vcpu_state *vcpu = cpu->accel;
     struct hax_tunnel *ht = vcpu->tunnel;
 
     /*
@@ -447,7 +447,7 @@ static int hax_vcpu_interrupt(CPUArchState *env)
 
 void hax_raise_event(CPUState *cpu)
 {
-    struct hax_vcpu_state *vcpu = cpu->hax_vcpu;
+    struct hax_vcpu_state *vcpu = cpu->accel;
 
     if (!vcpu) {
         return;
@@ -468,7 +468,7 @@ static int hax_vcpu_hax_exec(CPUArchState *env)
     int ret = 0;
     CPUState *cpu = env_cpu(env);
     X86CPU *x86_cpu = X86_CPU(cpu);
-    struct hax_vcpu_state *vcpu = cpu->hax_vcpu;
+    struct hax_vcpu_state *vcpu = cpu->accel;
     struct hax_tunnel *ht = vcpu->tunnel;
 
     if (!hax_enabled()) {
@@ -1114,8 +1114,8 @@ void hax_reset_vcpu_state(void *opaque)
 {
     CPUState *cpu;
     for (cpu = first_cpu; cpu != NULL; cpu = CPU_NEXT(cpu)) {
-        cpu->hax_vcpu->tunnel->user_event_pending = 0;
-        cpu->hax_vcpu->tunnel->ready_for_interrupt_injection = 0;
+        cpu->accel->tunnel->user_event_pending = 0;
+        cpu->accel->tunnel->ready_for_interrupt_injection = 0;
     }
 }
 

target/i386/nvmm/nvmm-all.c

@@ -52,7 +52,7 @@ static struct qemu_machine qemu_mach;
 static struct qemu_vcpu *
 get_qemu_vcpu(CPUState *cpu)
 {
-    return (struct qemu_vcpu *)cpu->hax_vcpu;
+    return (struct qemu_vcpu *)cpu->accel;
 }
 
 static struct nvmm_machine *
@@ -995,7 +995,7 @@ nvmm_init_vcpu(CPUState *cpu)
     }
 
     cpu->vcpu_dirty = true;
-    cpu->hax_vcpu = (struct hax_vcpu_state *)qcpu;
+    cpu->accel = (struct hax_vcpu_state *)qcpu;
 
     return 0;
 }
@@ -1030,7 +1030,7 @@ nvmm_destroy_vcpu(CPUState *cpu)
     struct qemu_vcpu *qcpu = get_qemu_vcpu(cpu);
 
     nvmm_vcpu_destroy(mach, &qcpu->vcpu);
-    g_free(cpu->hax_vcpu);
+    g_free(cpu->accel);
 }
 
 /* -------------------------------------------------------------------------- */

target/i386/whpx/whpx-all.c

@@ -262,7 +262,7 @@ static bool whpx_has_xsave(void)
 
 static struct whpx_vcpu *get_whpx_vcpu(CPUState *cpu)
 {
-    return (struct whpx_vcpu *)cpu->hax_vcpu;
+    return (struct whpx_vcpu *)cpu->accel;
 }
 
 static WHV_X64_SEGMENT_REGISTER whpx_seg_q2h(const SegmentCache *qs, int v86,
@@ -2258,7 +2258,7 @@ int whpx_init_vcpu(CPUState *cpu)
 
     vcpu->interruptable = true;
     cpu->vcpu_dirty = true;
-    cpu->hax_vcpu = (struct hax_vcpu_state *)vcpu;
+    cpu->accel = (struct hax_vcpu_state *)vcpu;
     max_vcpu_index = max(max_vcpu_index, cpu->cpu_index);
     qemu_add_vm_change_state_handler(whpx_cpu_update_state, cpu->env_ptr);
 
@@ -2300,7 +2300,7 @@ void whpx_destroy_vcpu(CPUState *cpu)
 
     whp_dispatch.WHvDeleteVirtualProcessor(whpx->partition, cpu->cpu_index);
     whp_dispatch.WHvEmulatorDestroyEmulator(vcpu->emulator);
-    g_free(cpu->hax_vcpu);
+    g_free(cpu->accel);
     return;
 }