nvservices: Reintroducee IoctlCtrl

Fixes regression caused by #4907 which caused games like Breath of the Wild 1.0.0 not to boot.

src/core/hle/service/nvdrv/devices/nvdevice.h

@@ -31,8 +31,8 @@ public:
      * @param output A buffer where the output data will be written to.
      * @returns The result code of the ioctl.
      */
-    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input,
-                            std::vector<u8>& output) = 0;
+    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) = 0;
 
     /**
      * Handles an ioctl2 request.
@@ -43,7 +43,8 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                            const std::vector<u8>& inline_input, std::vector<u8>& output) = 0;
+                            const std::vector<u8>& inline_input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) = 0;
 
     /**
      * Handles an ioctl3 request.
@@ -54,7 +55,7 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                            std::vector<u8>& inline_output) = 0;
+                            std::vector<u8>& inline_output, IoctlCtrl& ctrl) = 0;
 
 protected:
     Core::System& system;

src/core/hle/service/nvdrv/devices/nvdisp_disp0.cpp

@@ -18,20 +18,21 @@ nvdisp_disp0::nvdisp_disp0(Core::System& system, std::shared_ptr<nvmap> nvmap_de
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
 nvdisp_disp0 ::~nvdisp_disp0() = default;
 
-NvResult nvdisp_disp0::Ioctl1(Ioctl command, const std::vector<u8>& input,
-                              std::vector<u8>& output) {
+NvResult nvdisp_disp0::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvdisp_disp0::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                              const std::vector<u8>& inline_input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvdisp_disp0::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                              std::vector<u8>& inline_output) {
+                              std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvdisp_disp0.h

@@ -20,11 +20,13 @@ public:
     explicit nvdisp_disp0(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvdisp_disp0() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
     /// Performs a screen flip, drawing the buffer pointed to by the handle.
     void flip(u32 buffer_handle, u32 offset, u32 format, u32 width, u32 height, u32 stride,

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp

@@ -21,8 +21,8 @@ nvhost_as_gpu::nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_
     : nvdevice(system), nvmap_dev(std::move(nvmap_dev)) {}
 nvhost_as_gpu::~nvhost_as_gpu() = default;
 
-NvResult nvhost_as_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
-                               std::vector<u8>& output) {
+NvResult nvhost_as_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                               IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'A':
         switch (command.cmd) {
@@ -55,13 +55,14 @@ NvResult nvhost_as_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
 }
 
 NvResult nvhost_as_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                               const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                               const std::vector<u8>& inline_input, std::vector<u8>& output,
+                               IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_as_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                               std::vector<u8>& inline_output) {
+                               std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'A':
         switch (command.cmd) {

src/core/hle/service/nvdrv/devices/nvhost_as_gpu.h

@@ -30,11 +30,13 @@ public:
     explicit nvhost_as_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_as_gpu() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
 private:
     class BufferMap final {

src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp

@@ -20,7 +20,8 @@ nvhost_ctrl::nvhost_ctrl(Core::System& system, EventInterface& events_interface,
     : nvdevice(system), events_interface{events_interface}, syncpoint_manager{syncpoint_manager} {}
 nvhost_ctrl::~nvhost_ctrl() = default;
 
-NvResult nvhost_ctrl::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_ctrl::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                             IoctlCtrl& ctrl) {
     switch (command.group) {
     case 0x0:
         switch (command.cmd) {
@@ -29,9 +30,9 @@ NvResult nvhost_ctrl::Ioctl1(Ioctl command, const std::vector<u8>& input, std::v
         case 0x1c:
             return IocCtrlClearEventWait(input, output);
         case 0x1d:
-            return IocCtrlEventWait(input, output, false);
+            return IocCtrlEventWait(input, output, false, ctrl);
         case 0x1e:
-            return IocCtrlEventWait(input, output, true);
+            return IocCtrlEventWait(input, output, true, ctrl);
         case 0x1f:
             return IocCtrlEventRegister(input, output);
         case 0x20:
@@ -47,13 +48,14 @@ NvResult nvhost_ctrl::Ioctl1(Ioctl command, const std::vector<u8>& input, std::v
 }
 
 NvResult nvhost_ctrl::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                             const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                             const std::vector<u8>& inline_input, std::vector<u8>& output,
+                             IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_ctrl::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                             std::vector<u8>& inline_output) {
+                             std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
@@ -67,7 +69,7 @@ NvResult nvhost_ctrl::NvOsGetConfigU32(const std::vector<u8>& input, std::vector
 }
 
 NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output,
-                                       bool is_async) {
+                                       bool is_async, IoctlCtrl& ctrl) {
     IocCtrlEventWaitParams params{};
     std::memcpy(&params, input.data(), sizeof(params));
     LOG_DEBUG(Service_NVDRV, "syncpt_id={}, threshold={}, timeout={}, is_async={}",
@@ -139,7 +141,10 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
         params.value |= event_id;
         event.event.writable->Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
-        if (!is_async) {
+        if (!is_async && ctrl.fresh_call) {
+            ctrl.must_delay = true;
+            ctrl.timeout = params.timeout;
+            ctrl.event_id = event_id;
             return NvResult::Timeout;
         }
         std::memcpy(output.data(), &params, sizeof(params));

src/core/hle/service/nvdrv/devices/nvhost_ctrl.h

@@ -18,11 +18,13 @@ public:
                          SyncpointManager& syncpoint_manager);
     ~nvhost_ctrl() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
 private:
     struct IocSyncptReadParams {
@@ -121,7 +123,8 @@ private:
     static_assert(sizeof(IocCtrlEventKill) == 8, "IocCtrlEventKill is incorrect size");
 
     NvResult NvOsGetConfigU32(const std::vector<u8>& input, std::vector<u8>& output);
-    NvResult IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, bool is_async);
+    NvResult IocCtrlEventWait(const std::vector<u8>& input, std::vector<u8>& output, bool is_async,
+                              IoctlCtrl& ctrl);
     NvResult IocCtrlEventRegister(const std::vector<u8>& input, std::vector<u8>& output);
     NvResult IocCtrlEventUnregister(const std::vector<u8>& input, std::vector<u8>& output);
     NvResult IocCtrlClearEventWait(const std::vector<u8>& input, std::vector<u8>& output);

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.cpp

@@ -16,7 +16,7 @@ nvhost_ctrl_gpu::nvhost_ctrl_gpu(Core::System& system) : nvdevice(system) {}
 nvhost_ctrl_gpu::~nvhost_ctrl_gpu() = default;
 
 NvResult nvhost_ctrl_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
-                                 std::vector<u8>& output) {
+                                 std::vector<u8>& output, IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'G':
         switch (command.cmd) {
@@ -48,13 +48,15 @@ NvResult nvhost_ctrl_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input,
 }
 
 NvResult nvhost_ctrl_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                                 const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                                 const std::vector<u8>& inline_input, std::vector<u8>& output,
+                                 IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_ctrl_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input,
-                                 std::vector<u8>& output, std::vector<u8>& inline_output) {
+                                 std::vector<u8>& output, std::vector<u8>& inline_output,
+                                 IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'G':
         switch (command.cmd) {
@@ -162,7 +164,7 @@ NvResult nvhost_ctrl_gpu::GetCharacteristics(const std::vector<u8>& input, std::
     params.gpu_characteristics_buf_size = 0xA0;
     params.gpu_characteristics_buf_addr = 0xdeadbeef; // Cannot be 0 (UNUSED)
 
-    std::memcpy(output.data(), input.data(), output.size());
+    std::memcpy(output.data(), &params, output.size());
     std::memcpy(inline_output.data(), &params.gc, inline_output.size());
     return NvResult::Success;
 }

src/core/hle/service/nvdrv/devices/nvhost_ctrl_gpu.h

@@ -16,11 +16,13 @@ public:
     explicit nvhost_ctrl_gpu(Core::System& system);
     ~nvhost_ctrl_gpu() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
 private:
     struct IoctlGpuCharacteristics {

src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp

@@ -23,7 +23,8 @@ nvhost_gpu::nvhost_gpu(Core::System& system, std::shared_ptr<nvmap> nvmap_dev,
 
 nvhost_gpu::~nvhost_gpu() = default;
 
-NvResult nvhost_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) {
     switch (command.group) {
     case 0x0:
         switch (command.cmd) {
@@ -75,7 +76,8 @@ NvResult nvhost_gpu::Ioctl1(Ioctl command, const std::vector<u8>& input, std::ve
 };
 
 NvResult nvhost_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                            const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                            const std::vector<u8>& inline_input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'H':
         switch (command.cmd) {
@@ -89,7 +91,7 @@ NvResult nvhost_gpu::Ioctl2(Ioctl command, const std::vector<u8>& input,
 }
 
 NvResult nvhost_gpu::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                            std::vector<u8>& inline_output) {
+                            std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvhost_gpu.h

@@ -26,11 +26,13 @@ public:
                         SyncpointManager& syncpoint_manager);
     ~nvhost_gpu() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
 private:
     enum class CtxObjects : u32_le {

src/core/hle/service/nvdrv/devices/nvhost_nvdec.cpp

@@ -15,8 +15,8 @@ nvhost_nvdec::nvhost_nvdec(Core::System& system, std::shared_ptr<nvmap> nvmap_de
     : nvhost_nvdec_common(system, std::move(nvmap_dev)) {}
 nvhost_nvdec::~nvhost_nvdec() = default;
 
-NvResult nvhost_nvdec::Ioctl1(Ioctl command, const std::vector<u8>& input,
-                              std::vector<u8>& output) {
+NvResult nvhost_nvdec::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     switch (command.group) {
     case 0x0:
         switch (command.cmd) {
@@ -58,13 +58,14 @@ NvResult nvhost_nvdec::Ioctl1(Ioctl command, const std::vector<u8>& input,
 }
 
 NvResult nvhost_nvdec::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                              const std::vector<u8>& inline_input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_nvdec::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                              std::vector<u8>& inline_output) {
+                              std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvhost_nvdec.h

@@ -14,11 +14,13 @@ public:
     explicit nvhost_nvdec(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_nvdec() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 };
 
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvhost_nvdec_common.h

@@ -25,8 +25,8 @@ public:
      * @param output A buffer where the output data will be written to.
      * @returns The result code of the ioctl.
      */
-    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input,
-                            std::vector<u8>& output) = 0;
+    virtual NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) = 0;
 
     /**
      * Handles an ioctl2 request.
@@ -37,7 +37,8 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                            const std::vector<u8>& inline_input, std::vector<u8>& output) = 0;
+                            const std::vector<u8>& inline_input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) = 0;
 
     /**
      * Handles an ioctl3 request.
@@ -48,7 +49,7 @@ public:
      * @returns The result code of the ioctl.
      */
     virtual NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                            std::vector<u8>& inline_output) = 0;
+                            std::vector<u8>& inline_output, IoctlCtrl& ctrl) = 0;
 
 protected:
     class BufferMap final {

src/core/hle/service/nvdrv/devices/nvhost_nvjpg.cpp

@@ -13,8 +13,8 @@ namespace Service::Nvidia::Devices {
 nvhost_nvjpg::nvhost_nvjpg(Core::System& system) : nvdevice(system) {}
 nvhost_nvjpg::~nvhost_nvjpg() = default;
 
-NvResult nvhost_nvjpg::Ioctl1(Ioctl command, const std::vector<u8>& input,
-                              std::vector<u8>& output) {
+NvResult nvhost_nvjpg::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     switch (command.group) {
     case 'H':
         switch (command.cmd) {
@@ -33,13 +33,14 @@ NvResult nvhost_nvjpg::Ioctl1(Ioctl command, const std::vector<u8>& input,
 }
 
 NvResult nvhost_nvjpg::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                              const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                              const std::vector<u8>& inline_input, std::vector<u8>& output,
+                              IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_nvjpg::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                              std::vector<u8>& inline_output) {
+                              std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvhost_nvjpg.h

@@ -16,11 +16,13 @@ public:
     explicit nvhost_nvjpg(Core::System& system);
     ~nvhost_nvjpg() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
 private:
     struct IoctlSetNvmapFD {

src/core/hle/service/nvdrv/devices/nvhost_vic.cpp

@@ -15,7 +15,8 @@ nvhost_vic::nvhost_vic(Core::System& system, std::shared_ptr<nvmap> nvmap_dev)
 
 nvhost_vic::~nvhost_vic() = default;
 
-NvResult nvhost_vic::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvhost_vic::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) {
     switch (command.group) {
     case 0x0:
         switch (command.cmd) {
@@ -50,13 +51,14 @@ NvResult nvhost_vic::Ioctl1(Ioctl command, const std::vector<u8>& input, std::ve
 }
 
 NvResult nvhost_vic::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                            const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                            const std::vector<u8>& inline_input, std::vector<u8>& output,
+                            IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvhost_vic::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                            std::vector<u8>& inline_output) {
+                            std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvhost_vic.h

@@ -14,10 +14,12 @@ public:
     explicit nvhost_vic(Core::System& system, std::shared_ptr<nvmap> nvmap_dev);
     ~nvhost_vic();
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 };
 } // namespace Service::Nvidia::Devices

src/core/hle/service/nvdrv/devices/nvmap.cpp

@@ -19,7 +19,8 @@ nvmap::nvmap(Core::System& system) : nvdevice(system) {
 
 nvmap::~nvmap() = default;
 
-NvResult nvmap::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) {
+NvResult nvmap::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                       IoctlCtrl& ctrl) {
     switch (command.group) {
     case 0x1:
         switch (command.cmd) {
@@ -48,13 +49,14 @@ NvResult nvmap::Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<
 }
 
 NvResult nvmap::Ioctl2(Ioctl command, const std::vector<u8>& input,
-                       const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                       const std::vector<u8>& inline_input, std::vector<u8>& output,
+                       IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }
 
 NvResult nvmap::Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                       std::vector<u8>& inline_output) {
+                       std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     UNIMPLEMENTED_MSG("Unimplemented ioctl={:08X}", command.raw);
     return NvResult::NotImplemented;
 }

src/core/hle/service/nvdrv/devices/nvmap.h

@@ -19,11 +19,13 @@ public:
     explicit nvmap(Core::System& system);
     ~nvmap() override;
 
-    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output) override;
+    NvResult Ioctl1(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl2(Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output) override;
+                    const std::vector<u8>& inline_input, std::vector<u8>& output,
+                    IoctlCtrl& ctrl) override;
     NvResult Ioctl3(Ioctl command, const std::vector<u8>& input, std::vector<u8>& output,
-                    std::vector<u8>& inline_output) override;
+                    std::vector<u8>& inline_output, IoctlCtrl& ctrl) override;
 
     /// Returns the allocated address of an nvmap object given its handle.
     VAddr GetObjectAddress(u32 handle) const;

src/core/hle/service/nvdrv/interface.cpp

@@ -61,10 +61,32 @@ void NVDRV::Ioctl1(Kernel::HLERequestContext& ctx) {
     std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
     const auto input_buffer = ctx.ReadBuffer(0);
 
-    const auto nv_result = nvdrv->Ioctl1(fd, command, input_buffer, output_buffer);
-
-    if (command.is_out != 0) {
-        ctx.WriteBuffer(output_buffer);
+    IoctlCtrl ctrl{};
+
+    const auto nv_result = nvdrv->Ioctl1(fd, command, input_buffer, output_buffer, ctrl);
+    if (ctrl.must_delay) {
+        ctrl.fresh_call = false;
+        ctx.SleepClientThread(
+            "NVServices::DelayedResponse", ctrl.timeout,
+            [=, this](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx_,
+                      Kernel::ThreadWakeupReason reason) {
+                IoctlCtrl ctrl2{ctrl};
+                std::vector<u8> tmp_output = output_buffer;
+                const auto nv_result2 = nvdrv->Ioctl1(fd, command, input_buffer, tmp_output, ctrl2);
+
+                if (command.is_out != 0) {
+                    ctx.WriteBuffer(tmp_output);
+                }
+
+                IPC::ResponseBuilder rb{ctx_, 3};
+                rb.Push(RESULT_SUCCESS);
+                rb.PushEnum(nv_result2);
+            },
+            nvdrv->GetEventWriteable(ctrl.event_id));
+    } else {
+        if (command.is_out != 0) {
+            ctx.WriteBuffer(output_buffer);
+        }
     }
 
     IPC::ResponseBuilder rb{ctx, 3};
@@ -88,8 +110,35 @@ void NVDRV::Ioctl2(Kernel::HLERequestContext& ctx) {
     const auto input_inlined_buffer = ctx.ReadBuffer(1);
     std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
 
+    IoctlCtrl ctrl{};
+
     const auto nv_result =
-        nvdrv->Ioctl2(fd, command, input_buffer, input_inlined_buffer, output_buffer);
+        nvdrv->Ioctl2(fd, command, input_buffer, input_inlined_buffer, output_buffer, ctrl);
+    if (ctrl.must_delay) {
+        ctrl.fresh_call = false;
+        ctx.SleepClientThread(
+            "NVServices::DelayedResponse", ctrl.timeout,
+            [=, this](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx_,
+                      Kernel::ThreadWakeupReason reason) {
+                IoctlCtrl ctrl2{ctrl};
+                std::vector<u8> tmp_output = output_buffer;
+                const auto nv_result2 = nvdrv->Ioctl2(fd, command, input_buffer,
+                                                      input_inlined_buffer, tmp_output, ctrl2);
+
+                if (command.is_out != 0) {
+                    ctx.WriteBuffer(tmp_output);
+                }
+
+                IPC::ResponseBuilder rb{ctx_, 3};
+                rb.Push(RESULT_SUCCESS);
+                rb.PushEnum(nv_result2);
+            },
+            nvdrv->GetEventWriteable(ctrl.event_id));
+    } else {
+        if (command.is_out != 0) {
+            ctx.WriteBuffer(output_buffer);
+        }
+    }
 
     if (command.is_out != 0) {
         ctx.WriteBuffer(output_buffer);
@@ -116,12 +165,36 @@ void NVDRV::Ioctl3(Kernel::HLERequestContext& ctx) {
     std::vector<u8> output_buffer(ctx.GetWriteBufferSize(0));
     std::vector<u8> output_buffer_inline(ctx.GetWriteBufferSize(1));
 
+    IoctlCtrl ctrl{};
     const auto nv_result =
-        nvdrv->Ioctl3(fd, command, input_buffer, output_buffer, output_buffer_inline);
-
-    if (command.is_out != 0) {
-        ctx.WriteBuffer(output_buffer, 0);
-        ctx.WriteBuffer(output_buffer_inline, 1);
+        nvdrv->Ioctl3(fd, command, input_buffer, output_buffer, output_buffer_inline, ctrl);
+    if (ctrl.must_delay) {
+        ctrl.fresh_call = false;
+        ctx.SleepClientThread(
+            "NVServices::DelayedResponse", ctrl.timeout,
+            [=, this](std::shared_ptr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx_,
+                      Kernel::ThreadWakeupReason reason) {
+                IoctlCtrl ctrl2{ctrl};
+                std::vector<u8> tmp_output = output_buffer;
+                std::vector<u8> tmp_output2 = output_buffer;
+                const auto nv_result2 =
+                    nvdrv->Ioctl3(fd, command, input_buffer, tmp_output, tmp_output2, ctrl2);
+
+                if (command.is_out != 0) {
+                    ctx.WriteBuffer(tmp_output, 0);
+                    ctx.WriteBuffer(tmp_output2, 1);
+                }
+
+                IPC::ResponseBuilder rb{ctx_, 3};
+                rb.Push(RESULT_SUCCESS);
+                rb.PushEnum(nv_result2);
+            },
+            nvdrv->GetEventWriteable(ctrl.event_id));
+    } else {
+        if (command.is_out != 0) {
+            ctx.WriteBuffer(output_buffer, 0);
+            ctx.WriteBuffer(output_buffer_inline, 1);
+        }
     }
 
     IPC::ResponseBuilder rb{ctx, 3};

src/core/hle/service/nvdrv/nvdata.h

@@ -97,4 +97,15 @@ union Ioctl {
     BitField<31, 1, u32> is_out;
 };
 
+struct IoctlCtrl {
+    // First call done to the servioce for services that call itself again after a call.
+    bool fresh_call{true};
+    // Tells the Ioctl Wrapper that it must delay the IPC response and send the thread to sleep
+    bool must_delay{};
+    // Timeout for the delay
+    s64 timeout{};
+    // NV Event Id
+    s32 event_id{-1};
+};
+
 } // namespace Service::Nvidia

src/core/hle/service/nvdrv/nvdrv.cpp

@@ -91,7 +91,7 @@ DeviceFD Module::Open(const std::string& device_name) {
 }
 
 NvResult Module::Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                        std::vector<u8>& output) {
+                        std::vector<u8>& output, IoctlCtrl& ctrl) {
     if (fd < 0) {
         LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
         return NvResult::InvalidState;
@@ -104,11 +104,12 @@ NvResult Module::Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input
         return NvResult::NotImplemented;
     }
 
-    return itr->second->Ioctl1(command, input, output);
+    return itr->second->Ioctl1(command, input, output, ctrl);
 }
 
 NvResult Module::Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                        const std::vector<u8>& inline_input, std::vector<u8>& output) {
+                        const std::vector<u8>& inline_input, std::vector<u8>& output,
+                        IoctlCtrl& ctrl) {
     if (fd < 0) {
         LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
         return NvResult::InvalidState;
@@ -121,11 +122,11 @@ NvResult Module::Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input
         return NvResult::NotImplemented;
     }
 
-    return itr->second->Ioctl2(command, input, inline_input, output);
+    return itr->second->Ioctl2(command, input, inline_input, output, ctrl);
 }
 
 NvResult Module::Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                        std::vector<u8>& output, std::vector<u8>& inline_output) {
+                        std::vector<u8>& output, std::vector<u8>& inline_output, IoctlCtrl& ctrl) {
     if (fd < 0) {
         LOG_ERROR(Service_NVDRV, "Invalid DeviceFD={}!", fd);
         return NvResult::InvalidState;
@@ -138,7 +139,7 @@ NvResult Module::Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input
         return NvResult::NotImplemented;
     }
 
-    return itr->second->Ioctl3(command, input, output, inline_output);
+    return itr->second->Ioctl3(command, input, output, inline_output, ctrl);
 }
 
 NvResult Module::Close(DeviceFD fd) {

src/core/hle/service/nvdrv/nvdrv.h

@@ -119,13 +119,13 @@ public:
 
     /// Sends an ioctl command to the specified file descriptor.
     NvResult Ioctl1(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                    std::vector<u8>& output);
+                    std::vector<u8>& output, IoctlCtrl& ctrl);
 
     NvResult Ioctl2(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                    const std::vector<u8>& inline_input, std::vector<u8>& output);
+                    const std::vector<u8>& inline_input, std::vector<u8>& output, IoctlCtrl& ctrl);
 
     NvResult Ioctl3(DeviceFD fd, Ioctl command, const std::vector<u8>& input,
-                    std::vector<u8>& output, std::vector<u8>& inline_output);
+                    std::vector<u8>& output, std::vector<u8>& inline_output, IoctlCtrl& ctrl);
 
     /// Closes a device file descriptor and returns operation success.
     NvResult Close(DeviceFD fd);