smm: support tipc/cmif

nx/include/switch/services/smm.h

@@ -7,6 +7,7 @@
 #pragma once
 #include "../types.h"
 #include "../sf/service.h"
+#include "../sf/tipc.h"
 
 /// Initialize sm:m.
 Result smManagerInitialize(void);
@@ -14,8 +15,29 @@ Result smManagerInitialize(void);
 /// Exit sm:m.
 void smManagerExit(void);
 
-/// Gets the Service object for the actual sm:m service session.
-Service* smManagerGetServiceSession(void);
-
 Result smManagerRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size);
 Result smManagerUnregisterProcess(u64 pid);
+
+/// Initialize sm:m exclusively for tipc (requires <12.0.0 and non-Atmosphere).
+Result smManagerCmifInitialize(void);
+
+/// Exit sm:m exclusively for tipc (requires <12.0.0 and non-Atmosphere).
+void smManagerCmifExit(void);
+
+/// Gets the Service object for the actual sm:m service session (requires <12.0.0 and non-Atmosphere).
+Service* smManagerCmifGetServiceSession(void);
+
+Result smManagerCmifRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size);
+Result smManagerCmifUnregisterProcess(u64 pid);
+
+/// Initialize sm:m exclusively for tipc (requires 12.0.0+ or Atmosphere).
+Result smManagerTipcInitialize(void);
+
+/// Exit sm:m exclusively for tipc (requires 12.0.0+ or Atmosphere).
+void smManagerTipcExit(void);
+
+/// Gets the TipcService object for the actual sm:m service session (requires 12.0.0+ or Atmosphere).
+TipcService* smManagerTipcGetServiceSession(void);
+
+Result smManagerTipcRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size);
+Result smManagerTipcUnregisterProcess(u64 pid);

nx/source/services/smm.c

@@ -3,24 +3,63 @@
 #include "services/smm.h"
 #include "runtime/hosversion.h"
 
-static Service g_smManagerSrv;
+static Service g_smManagerCmifSrv;
+static TipcService g_smManagerTipcSrv;
 
-NX_GENERATE_SERVICE_GUARD(smManager);
+NX_GENERATE_SERVICE_GUARD(smManagerCmif);
+NX_GENERATE_SERVICE_GUARD(smManagerTipc);
 
-Result _smManagerInitialize(void) {
+NX_INLINE bool _smManagerUseTipc(void) {
-    return smGetService(&g_smManagerSrv, "sm:m");
+    return hosversionIsAtmosphere() || hosversionAtLeast(12,0,0);
 }
 
-void _smManagerCleanup(void) {
+Result smManagerInitialize(void) {
-    serviceClose(&g_smManagerSrv);
+    if (_smManagerUseTipc()) {
+        return smManagerTipcInitialize();
+    } else {
+        return smManagerCmifInitialize();
+    }
 }
 
-Service* smManagerGetServiceSession(void) {
+void smManagerExit(void) {
-    return &g_smManagerSrv;
+    if (_smManagerUseTipc()) {
+        return smManagerTipcExit();
+    } else {
+        return smManagerCmifExit();
+    }
 }
 
 Result smManagerRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size) {
-    return serviceDispatchIn(&g_smManagerSrv, 0, pid,
+    if (_smManagerUseTipc()) {
+        return smManagerTipcRegisterProcess(pid, acid_sac, acid_sac_size, aci0_sac, aci0_sac_size);
+    } else {
+        return smManagerCmifRegisterProcess(pid, acid_sac, acid_sac_size, aci0_sac, aci0_sac_size);
+    }
+}
+
+Result smManagerUnregisterProcess(u64 pid) {
+    if (_smManagerUseTipc()) {
+        return smManagerTipcUnregisterProcess(pid);
+    } else {
+        return smManagerCmifUnregisterProcess(pid);
+    }
+}
+
+Result _smManagerCmifInitialize(void) {
+    if (_smManagerUseTipc()) return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+    return smGetService(&g_smManagerCmifSrv, "sm:m");
+}
+
+void _smManagerCmifCleanup(void) {
+    serviceClose(&g_smManagerCmifSrv);
+}
+
+Service* smManagerCmifGetServiceSession(void) {
+    return &g_smManagerCmifSrv;
+}
+
+Result smManagerCmifRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size) {
+    return serviceDispatchIn(&g_smManagerCmifSrv, 0, pid,
         .buffer_attrs = {
             SfBufferAttr_In | SfBufferAttr_HipcMapAlias,
             SfBufferAttr_In | SfBufferAttr_HipcMapAlias,
@@ -32,6 +71,44 @@ Result smManagerRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_s
     );
 }
 
-Result smManagerUnregisterProcess(u64 pid) {
+Result smManagerCmifUnregisterProcess(u64 pid) {
-    return serviceDispatchIn(&g_smManagerSrv, 1, pid);
+    return serviceDispatchIn(&g_smManagerCmifSrv, 1, pid);
+}
+
+Result _smManagerTipcInitialize(void) {
+    if (!_smManagerUseTipc()) return MAKERESULT(Module_Libnx, LibnxError_IncompatSysVer);
+
+    Handle handle;
+    Result rc = smGetServiceOriginal(&handle, smEncodeName("sm:m"));
+
+    if (R_SUCCEEDED(rc)) {
+        tipcCreate(&g_smManagerTipcSrv, handle);
+    }
+
+    return rc;
+}
+
+void _smManagerTipcCleanup(void) {
+    tipcClose(&g_smManagerTipcSrv);
+}
+
+TipcService* smManagerTipcGetServiceSession(void) {
+    return &g_smManagerTipcSrv;
+}
+
+Result smManagerTipcRegisterProcess(u64 pid, const void *acid_sac, size_t acid_sac_size, const void *aci0_sac, size_t aci0_sac_size) {
+    return tipcDispatchIn(&g_smManagerTipcSrv, 0, pid,
+        .buffer_attrs = {
+            SfBufferAttr_In | SfBufferAttr_HipcMapAlias,
+            SfBufferAttr_In | SfBufferAttr_HipcMapAlias,
+        },
+        .buffers = {
+            { acid_sac, acid_sac_size },
+            { aci0_sac, aci0_sac_size },
+        },
+    );
+}
+
+Result smManagerTipcUnregisterProcess(u64 pid) {
+    return tipcDispatchIn(&g_smManagerTipcSrv, 1, pid);
 }