8 files changed, 247 insertions, 184 deletions

diff --git a/drm_slp/drm_slp_bufmgr.c b/drm_slp/drm_slp_bufmgr.c
index 82e5c1b..c24b430 100755
--- a/drm_slp/drm_slp_bufmgr.c
+++ b/drm_slp/drm_slp_bufmgr.c
@@ -35,6 +35,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <stdlib.h>
 #include "drm_slp_bufmgr.h"
 #include "tbm_bufmgr.h"
+#include "tbm_bufmgr_int.h"
 
 drm_slp_bufmgr
 drm_slp_bufmgr_init(int fd, void *arg)
@@ -44,7 +45,7 @@ drm_slp_bufmgr_init(int fd, void *arg)
     bufmgr = tbm_bufmgr_init (fd);
     if (!bufmgr)
     {
-        fprintf (stderr, "[libdrm_slp:%d]: error bufmgr is null\n", getpid());
+        TBM_LOG ("[libdrm_slp:%d]: error bufmgr is null\n", getpid());
         return NULL;
     }
 
@@ -71,7 +72,7 @@ drm_slp_bo_import(drm_slp_bufmgr bufmgr, unsigned int key)
     bo = tbm_bo_import ((tbm_bufmgr)bufmgr, key);
     if (!bo)
     {
-        fprintf (stderr, "[libdrm_slp:%d]: error bo is null\n", getpid());
+        TBM_LOG ("[libdrm_slp:%d]: error bo is null\n", getpid());
         return NULL;
     }
 
@@ -87,7 +88,7 @@ drm_slp_bo_map(drm_slp_bo bo, int device, int opt)
     bo_handle = tbm_bo_map ((tbm_bo)bo, device, opt);
     if (bo_handle.ptr == NULL)
     {
-        fprintf (stderr, "[libdrm_slp:%d]: error bo_handle is null\n", getpid());
+        TBM_LOG ("[libdrm_slp:%d]: error bo_handle is null\n", getpid());
         return 0;
     }
 
@@ -103,7 +104,7 @@ drm_slp_bo_map(drm_slp_bo bo, int device, int opt)
             ret = (unsigned long)bo_handle.ptr;
             break;
         default:
-            fprintf (stderr, "[libdrm_slp:%d]: error wrong device type\n", getpid());
+            TBM_LOG ("[libdrm_slp:%d]: error wrong device type\n", getpid());
             return 0;
     }
 
diff --git a/packaging/libtbm.spec b/packaging/libtbm.spec
index 5302194..0c8dbc6 100644
--- a/packaging/libtbm.spec
+++ b/packaging/libtbm.spec
@@ -1,6 +1,6 @@
 Name:           libtbm
-Version:        1.0.5
-Release:        2
+Version:        1.0.6
+Release:        4
 License:        MIT
 Summary:        Tizen Buffer Manager Library
 Group:          System/Libraries
diff --git a/src/tbm_bufmgr.c b/src/tbm_bufmgr.c
index e9fe5a8..417ef11 100755
--- a/src/tbm_bufmgr.c
+++ b/src/tbm_bufmgr.c
@@ -44,7 +44,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <errno.h>
 #include <pthread.h>
 #include "tbm_bufmgr.h"
-#include "tbm_bufmgr_glock.h"
+#include "tbm_bufmgr_tgl.h"
 #include "tbm_bufmgr_backend.h"
 #include "tbm_bufmgr_int.h"
 #include "list.h"
@@ -52,8 +52,8 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define DEBUG
 #ifdef DEBUG
 static int bDebug = 0;
-#define DBG(...) if(bDebug&0x1) fprintf(stderr, __VA_ARGS__)
-#define DBG_LOCK(...) if(bDebug&0x2) fprintf(stderr, __VA_ARGS__)
+#define DBG(...) if(bDebug&0x1) TBM_LOG (__VA_ARGS__)
+#define DBG_LOCK(...) if(bDebug&0x2) TBM_LOG (__VA_ARGS__)
 #else
 #define DBG(...)
 #define DBG_LOCK(...)
@@ -62,13 +62,13 @@ static int bDebug = 0;
 /* check condition */
 #define TBM_RETURN_IF_FAIL(cond) {\
     if (!(cond)) {\
-        fprintf (stderr, "[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        TBM_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
         return;\
     }\
 }
 #define TBM_RETURN_VAL_IF_FAIL(cond, val) {\
     if (!(cond)) {\
-        fprintf (stderr, "[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
+        TBM_LOG ("[%s] : '%s' failed.\n", __FUNCTION__, #cond);\
         return val;\
     }\
 }
@@ -95,8 +95,13 @@ static int bDebug = 0;
                          bo->item_link.next && \
                          bo->item_link.next->prev == &bo->item_link)
 
-#define CTRL_BACKEND_VALID(flags) ((flags&TBM_CACHE_CTRL_BACKEND) && \
-                          (flags&TBM_LOCK_CTRL_BACKEND))
+#define TBM_ALL_CTRL_BACKEND_VALID(flags) \
+        ((flags&TBM_CACHE_CTRL_BACKEND) &&\
+        (flags&TBM_LOCK_CTRL_BACKEND))
+#define TBM_CACHE_CTRL_BACKEND_VALID(flags) \
+        (flags&TBM_CACHE_CTRL_BACKEND)
+#define TBM_LOCK_CTRL_BACKEND_VALID(flags) \
+        (flags&TBM_LOCK_CTRL_BACKEND)
 
 #define PREFIX_LIB    "libtbm_"
 #define SUFFIX_LIB    ".so"
@@ -121,9 +126,9 @@ static int bDebug = 0;
 
 #define MODULE_VERSION_NUMERIC(maj, min, patch) \
                ((((maj) & 0xFF) << 24) | (((min) & 0xFF) << 16) | (patch & 0xFFFF))
-#define GET_MODULE_MAJOR_VERSION(vers)	(((vers) >> 24) & 0xFF)
-#define GET_MODULE_MINOR_VERSION(vers)	(((vers) >> 16) & 0xFF)
-#define GET_MODULE_PATCHLEVEL(vers)	((vers) & 0xFFFF)
+#define GET_MODULE_MAJOR_VERSION(vers)    (((vers) >> 24) & 0xFF)
+#define GET_MODULE_MINOR_VERSION(vers)    (((vers) >> 16) & 0xFF)
+#define GET_MODULE_PATCHLEVEL(vers)    ((vers) & 0xFFFF)
 
 enum {
     LOCK_TRY_ONCE,
@@ -163,7 +168,7 @@ _tgl_init (int fd, unsigned int key)
     err = ioctl (fd, TGL_IOC_INIT_LOCK, &attr);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ( "[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -179,7 +184,7 @@ _tgl_destroy (int fd, unsigned int key)
     err = ioctl (fd, TGL_IOC_DESTROY_LOCK, key);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ( "[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -195,7 +200,7 @@ _tgl_lock (int fd, unsigned int key)
     err = ioctl (fd, TGL_IOC_LOCK_LOCK, key);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -211,7 +216,7 @@ _tgl_unlock (int fd, unsigned int key)
     err = ioctl (fd, TGL_IOC_UNLOCK_LOCK, key);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -231,7 +236,7 @@ _tgl_set_data (int fd, unsigned int key, unsigned int val)
     err = ioctl (fd, TGL_IOC_SET_DATA, &arg);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -250,7 +255,7 @@ _tgl_get_data (int fd, unsigned int key, unsigned int *locked)
     err = ioctl (fd, TGL_IOC_GET_DATA, &arg);
     if (err)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error(%s) %s:%d key:%d\n",
                 getpid(), strerror(errno), __FUNCTION__, __LINE__, key);
         return 0;
@@ -311,16 +316,27 @@ _user_data_delete (tbm_user_data *user_data)
 }
 
 static int
-_bo_lock (tbm_bo bo)
+_bo_lock (tbm_bo bo, int device, int opt)
 {
     tbm_bufmgr bufmgr = bo->bufmgr;
     int ret = 0;
 
-    if (bufmgr->backend->flags&TBM_LOCK_CTRL_BACKEND &&
-        bufmgr->backend->bo_lock)
+    if (TBM_LOCK_CTRL_BACKEND_VALID(bufmgr->backend->flags))
     {
-        /* use backend lock */
-        ret = bufmgr->backend->bo_lock (bo);
+        if (bufmgr->backend->bo_lock2)
+        {
+            /* use bo_lock2 backend lock */
+            ret = bufmgr->backend->bo_lock2 (bo, device, opt);
+        }
+        else if (bufmgr->backend->bo_lock)
+        {
+            /* use bo_lock backend lock */
+            ret = bufmgr->backend->bo_lock (bo);
+        }
+        else
+            TBM_LOG ("[libtbm:%d] "
+                "error %s:%d no backend lock functions\n",
+                getpid(), __FUNCTION__, __LINE__);
     }
     else
     {
@@ -336,11 +352,17 @@ _bo_unlock (tbm_bo bo)
 {
     tbm_bufmgr bufmgr = bo->bufmgr;
 
-    if (bufmgr->backend->flags&TBM_LOCK_CTRL_BACKEND &&
-        bufmgr->backend->bo_unlock)
+    if (TBM_LOCK_CTRL_BACKEND_VALID(bufmgr->backend->flags))
     {
-        /* use backend unlock */
-        bufmgr->backend->bo_unlock (bo);
+        if (bufmgr->backend->bo_unlock)
+        {
+            /* use backend unlock */
+            bufmgr->backend->bo_unlock (bo);
+        }
+        else
+            TBM_LOG ("[libtbm:%d] "
+                "error %s:%d no backend unlock functions\n",
+                getpid(), __FUNCTION__, __LINE__);
     }
     else
     {
@@ -350,89 +372,52 @@ _bo_unlock (tbm_bo bo)
 }
 
 static int
-_tbm_bo_lock (tbm_bo bo)
+_tbm_bo_init_state (tbm_bo bo, int opt)
 {
-    tbm_bufmgr bufmgr = NULL;
-    int old;
-    int ret = 0;
+    tbm_bufmgr bufmgr = bo->bufmgr;
+    tbm_bo_cache_state cache_state;
 
-    if (!bo)
-        return 0;
+    RETURN_VAL_CHECK_FLAG (TBM_ALL_CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
 
-    bufmgr = bo->bufmgr;
+    cache_state.val = 0;
+    switch (opt)
+    {
+    case CACHE_OP_CREATE:    /*Create*/
+        if (bo->tgl_key == INITIAL_KEY)
+           bo->tgl_key = bufmgr->backend->bo_get_global_key (bo);
 
-    RETURN_VAL_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
+        _tgl_init (bufmgr->lock_fd, bo->tgl_key);
 
-    if (bo->lock_cnt < 0)
-    {
-        fprintf (stderr, "[libtbm:%d] "
-                "error %s:%d bo:%p(%d) LOCK_CNT=%d\n",
-                getpid(), __FUNCTION__, __LINE__, bo, bo->tgl_key, bo->lock_cnt);
-    }
+        cache_state.data.isCacheable = BO_IS_CACHEABLE(bo);
+        cache_state.data.isDirtied = DEVICE_NONE;
+        cache_state.data.isCached = 0;
+        cache_state.data.cntFlush = 0;
 
-    old = bo->lock_cnt;
-    switch (bufmgr->lock_type)
-    {
-        case LOCK_TRY_ALWAYS:    /* LOCK_TRY_ALWAYS */
-            pthread_mutex_unlock (&bufmgr->lock);
-            ret = _bo_lock (bo);
-            pthread_mutex_lock (&bufmgr->lock);
-            if(ret)
-                bo->lock_cnt++;
-            break;
-        case LOCK_TRY_NEVER:    /* LOCK_TRY_NEVER */
-            return 1;
-            break;
-        default:
-            if (bo->lock_cnt == 0)
-            {
-                pthread_mutex_unlock (&bufmgr->lock);
-                ret = _bo_lock (bo);
-                pthread_mutex_lock (&bufmgr->lock);
-                if (ret)
-                    bo->lock_cnt++;
-            }
+        _tgl_set_data (bufmgr->lock_fd, bo->tgl_key, cache_state.val);
+        break;
+    case CACHE_OP_IMPORT:    /*Import*/
+        if (bo->tgl_key == INITIAL_KEY)
+           bo->tgl_key = bufmgr->backend->bo_get_global_key (bo);
 
-            break;
+        _tgl_init (bufmgr->lock_fd, bo->tgl_key);
+        break;
+    default:
+        break;
     }
 
-    DBG_LOCK ("[libtbm:%d] >> LOCK bo:%p(%d, %d->%d)\n", getpid(),
-            bo, bo->tgl_key, old, bo->lock_cnt);
-
     return 1;
 }
 
 static void
-_tbm_bo_unlock (tbm_bo bo)
+_tbm_bo_destroy_state (tbm_bo bo)
 {
-    tbm_bufmgr bufmgr = NULL;
-
-    int old;
-
-    if (!bo)
-        return;
-
-    bufmgr = bo->bufmgr;
-
-    RETURN_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags));
+    tbm_bufmgr bufmgr = bo->bufmgr;
 
-    old = bo->lock_cnt;
-    if (bo->lock_cnt > 0)
-    {
-        bo->lock_cnt--;
-        if (bo->lock_cnt == 0)
-           _bo_unlock (bo);
-    }
-    else if (bo->lock_cnt < 0)
-    {
-        bo->lock_cnt = 0;
-    }
+    RETURN_CHECK_FLAG (TBM_ALL_CTRL_BACKEND_VALID(bufmgr->backend->flags));
 
-    DBG_LOCK ("[libtbm:%d] << unlock bo:%p(%d, %d->%d)\n", getpid(),
-             bo, bo->tgl_key, old, bo->lock_cnt);
+    _tgl_destroy (bufmgr->lock_fd, bo->tgl_key);
 }
 
-
 static int
 _tbm_bo_set_state (tbm_bo bo, int device, int opt)
 {
@@ -441,7 +426,7 @@ _tbm_bo_set_state (tbm_bo bo, int device, int opt)
     unsigned short cntFlush = 0;
     unsigned int is_locked;
 
-    RETURN_VAL_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
+    RETURN_VAL_CHECK_FLAG (TBM_CACHE_CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
 
     /* get cache state of a bo */
     bo->cache_state.val = _tgl_get_data (bufmgr->lock_fd, bo->tgl_key, &is_locked);
@@ -506,7 +491,7 @@ _tbm_bo_save_state (tbm_bo bo)
     tbm_bufmgr bufmgr = bo->bufmgr;
     unsigned short cntFlush = 0;
 
-    RETURN_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags));
+    RETURN_CHECK_FLAG (TBM_CACHE_CTRL_BACKEND_VALID(bufmgr->backend->flags));
 
     /* get global cache flush count */
     cntFlush = (unsigned short)_tgl_get_data (bufmgr->lock_fd, GLOBAL_KEY, NULL);
@@ -516,53 +501,108 @@ _tbm_bo_save_state (tbm_bo bo)
     _tgl_set_data(bufmgr->lock_fd, bo->tgl_key, bo->cache_state.val);
 }
 
+
 static int
-_tbm_bo_init_state (tbm_bo bo, int opt)
+_tbm_bo_lock (tbm_bo bo, int device, int opt)
 {
-    tbm_bufmgr bufmgr = bo->bufmgr;
-    tbm_bo_cache_state cache_state;
-
-    RETURN_VAL_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
+    tbm_bufmgr bufmgr = NULL;
+    int old;
+    int ret = 0;
 
-    cache_state.val = 0;
-    switch (opt)
-    {
-    case CACHE_OP_CREATE:    /*Create*/
-        if (bo->tgl_key == INITIAL_KEY)
-           bo->tgl_key = bufmgr->backend->bo_get_global_key (bo);
+    if (!bo)
+        return 0;
 
-        _tgl_init (bufmgr->lock_fd, bo->tgl_key);
+    bufmgr = bo->bufmgr;
 
-        cache_state.data.isCacheable = BO_IS_CACHEABLE(bo);
-        cache_state.data.isDirtied = DEVICE_NONE;
-        cache_state.data.isCached = 0;
-        cache_state.data.cntFlush = 0;
+    /* do not try to lock the bo */
+    if (bufmgr->lock_type == LOCK_TRY_NEVER)
+        return 1;
 
-        _tgl_set_data (bufmgr->lock_fd, bo->tgl_key, cache_state.val);
-        break;
-    case CACHE_OP_IMPORT:    /*Import*/
-        if (bo->tgl_key == INITIAL_KEY)
-           bo->tgl_key = bufmgr->backend->bo_get_global_key (bo);
+    if (bo->lock_cnt < 0)
+    {
+        TBM_LOG ("[libtbm:%d] "
+                "error %s:%d bo:%p(%d) LOCK_CNT=%d\n",
+                getpid(), __FUNCTION__, __LINE__, bo, bo->tgl_key, bo->lock_cnt);
+    }
 
-        _tgl_init (bufmgr->lock_fd, bo->tgl_key);
-        break;
-    default:
-        break;
+    old = bo->lock_cnt;
+    if (bufmgr->lock_type == LOCK_TRY_ONCE)
+    {
+        if (bo->lock_cnt == 0)
+        {
+            pthread_mutex_unlock (&bufmgr->lock);
+            ret = _bo_lock (bo, device, opt);
+            pthread_mutex_lock (&bufmgr->lock);
+            if (ret)
+                bo->lock_cnt++;
+        }
+    }
+    else if (bufmgr->lock_type == LOCK_TRY_ALWAYS)
+    {
+        pthread_mutex_unlock (&bufmgr->lock);
+        ret = _bo_lock (bo, device, opt);
+        pthread_mutex_lock (&bufmgr->lock);
+        if(ret)
+            bo->lock_cnt++;
     }
+    else
+        TBM_LOG ("[libtbm:%d] "
+                "error %s:%d bo:%p lock_type is wrong.\n",
+                getpid(), __FUNCTION__, __LINE__, bo);
+
+    DBG_LOCK ("[libtbm:%d] >> LOCK bo:%p(%d, %d->%d)\n", getpid(),
+            bo, bo->tgl_key, old, bo->lock_cnt);
 
     return 1;
 }
 
 static void
-_tbm_bo_destroy_state (tbm_bo bo)
+_tbm_bo_unlock (tbm_bo bo)
 {
-    tbm_bufmgr bufmgr = bo->bufmgr;
+    tbm_bufmgr bufmgr = NULL;
 
-    RETURN_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags));
+    int old;
 
-    _tgl_destroy (bufmgr->lock_fd, bo->tgl_key);
+    if (!bo)
+        return;
+
+    bufmgr = bo->bufmgr;
+
+    /* do not try to unlock the bo */
+    if (bufmgr->lock_type == LOCK_TRY_NEVER)
+        return;
+
+    old = bo->lock_cnt;
+    if (bufmgr->lock_type == LOCK_TRY_ONCE)
+    {
+        if (bo->lock_cnt > 0)
+        {
+            bo->lock_cnt--;
+            if (bo->lock_cnt == 0)
+               _bo_unlock (bo);
+        }
+    }
+    else if (bufmgr->lock_type == LOCK_TRY_ALWAYS)
+    {
+        if (bo->lock_cnt > 0)
+        {
+            bo->lock_cnt--;
+            _bo_unlock (bo);
+        }
+    }
+    else
+        TBM_LOG ("[libtbm:%d] "
+                "error %s:%d bo:%p lock_type is wrong.\n",
+                getpid(), __FUNCTION__, __LINE__, bo);
+
+    if (bo->lock_cnt < 0)
+        bo->lock_cnt = 0;
+
+    DBG_LOCK ("[libtbm:%d] << unlock bo:%p(%d, %d->%d)\n", getpid(),
+             bo, bo->tgl_key, old, bo->lock_cnt);
 }
 
+
 static void
 _tbm_bo_ref (tbm_bo bo)
 {
@@ -593,7 +633,7 @@ _tbm_bo_unref (tbm_bo bo)
 
         if (bo->lock_cnt > 0)
         {
-            fprintf (stderr, "[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                     "error %s:%d lock_cnt:%d\n",
                     getpid(), __FUNCTION__, __LINE__, bo->lock_cnt);
             _bo_unlock (bo);
@@ -616,21 +656,26 @@ _tbm_bo_unref (tbm_bo bo)
 static int
 _tbm_bufmgr_init_state (tbm_bufmgr bufmgr)
 {
-    RETURN_VAL_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
+    RETURN_VAL_CHECK_FLAG (TBM_ALL_CTRL_BACKEND_VALID(bufmgr->backend->flags), 1);
 
-    bufmgr->lock_fd = open(tgl_devfile, O_RDWR);
+    bufmgr->lock_fd = open (tgl_devfile, O_RDWR);
 
     if(bufmgr->lock_fd < 0)
     {
-        fprintf (stderr, "[libtbm:%d] "
-                "error: Fail to open global_lock:%s\n",
-                getpid(), tgl_devfile);
-        return 0;
+        bufmgr->lock_fd = open (tgl_devfile1, O_RDWR);
+        if(bufmgr->lock_fd < 0)
+        {
+
+            TBM_LOG ("[libtbm:%d] "
+                    "error: Fail to open global_lock:%s\n",
+                    getpid(), tgl_devfile);
+            return 0;
+        }
     }
 
    if (!_tgl_init(bufmgr->lock_fd, GLOBAL_KEY))
    {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error: Fail to initialize the tgl\n",
                 getpid());
         return 0;
@@ -642,7 +687,7 @@ _tbm_bufmgr_init_state (tbm_bufmgr bufmgr)
 static void
 _tbm_bufmgr_destroy_state (tbm_bufmgr bufmgr)
 {
-    RETURN_CHECK_FLAG (CTRL_BACKEND_VALID(bufmgr->backend->flags));
+    RETURN_CHECK_FLAG (TBM_ALL_CTRL_BACKEND_VALID(bufmgr->backend->flags));
 
     close (bufmgr->lock_fd);
 }
@@ -656,7 +701,7 @@ _check_version (TBMModuleVersionInfo *data)
     abimaj = GET_ABI_MAJOR (data->abiversion);
     abimin = GET_ABI_MINOR (data->abiversion);
 
-    fprintf (stderr, "[libtbm:%d] "
+    TBM_LOG ("[libtbm:%d] "
             "TBM module %s: vendor=\"%s\" ABI=%d,%d\n",
             getpid(), data->modname ? data->modname : "UNKNOWN!",
             data->vendor ? data->vendor : "UNKNOWN!", abimaj, abimin);
@@ -668,14 +713,14 @@ _check_version (TBMModuleVersionInfo *data)
 
     if (abimaj != vermaj)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "TBM module ABI major ver(%d) doesn't match the TBM's ver(%d)\n",
                 getpid(), abimaj, vermaj);
         return 0;
     }
     else if (abimin > vermin)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "TBM module ABI minor ver(%d) is newer than the TBM's ver(%d)\n",
                 getpid(), abimin, vermin);
         return 0;
@@ -695,7 +740,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
     module_data = dlopen (path, RTLD_LAZY);
     if (!module_data)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "failed to load module: %s(%s)\n",
                 getpid(), dlerror(), file);
         return 0;
@@ -720,7 +765,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
         }
         else
         {
-            fprintf (stderr, "[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                     "Error: module does not supply version information.\n",
                     getpid());
 
@@ -732,7 +777,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
         {
             if(!init (bufmgr, fd))
             {
-                fprintf (stderr, "[libtbm:%d] "
+                TBM_LOG ("[libtbm:%d] "
                         "Fail to init module(%s)\n",
                         getpid(), file);
                 dlclose (module_data);
@@ -741,7 +786,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
         }
         else
         {
-            fprintf (stderr, "[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                     "Error: module does not supply init symbol.\n", getpid());
             dlclose (module_data);
             return 0;
@@ -749,7 +794,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
     }
     else
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "Error: module does not have data object.\n", getpid());
         dlclose (module_data);
         return 0;
@@ -757,7 +802,7 @@ _tbm_bufmgr_load_module (tbm_bufmgr bufmgr, int fd, const char *file)
 
     bufmgr->module_data = module_data;
 
-    fprintf (stderr,"[libtbm:%d] "
+    TBM_LOG ("[libtbm:%d] "
             "Success to load module(%s)\n", getpid(), file);
 
     return 1;
@@ -778,7 +823,7 @@ static int _tbm_load_module (tbm_bufmgr bufmgr, int fd)
     {
         n = scandir (BUFMGR_MODULE_DIR, &namelist, 0, alphasort);
         if (n < 0)
-            fprintf (stderr,"[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                     "no files : %s\n", getpid(), BUFMGR_MODULE_DIR);
         else
         {
@@ -812,7 +857,7 @@ tbm_bufmgr_init (int fd)
     if(env)
     {
         bDebug = atoi(env);
-        fprintf(stderr, "GEM_DEBUG=%s\n", env);
+        TBM_LOG ("GEM_DEBUG=%s\n", env);
     }
     else
         bDebug = 0;
@@ -834,14 +879,14 @@ tbm_bufmgr_init (int fd)
             if(bufmgr->fd == fd)
             {
                 bufmgr->ref_count++;
-                fprintf (stderr, "[libtbm:%d] bufmgr ref: fd=%d, ref_count:%d\n",
+                TBM_LOG ("[libtbm:%d] bufmgr ref: fd=%d, ref_count:%d\n",
                         getpid(), fd, bufmgr->ref_count);
                 return bufmgr;
             }
         }
         bufmgr = NULL;
     }
-    fprintf(stderr, "[libtbm:%d] bufmgr init: fd=%d\n", getpid(), fd);
+    TBM_LOG ("[libtbm:%d] bufmgr init: fd=%d\n", getpid(), fd);
 
     /* allocate bufmgr */
     bufmgr = calloc (1, sizeof(struct _tbm_bufmgr));
@@ -851,7 +896,7 @@ tbm_bufmgr_init (int fd)
     /* load bufmgr priv from env */
     if (!_tbm_load_module(bufmgr, fd))
     {
-        fprintf (stderr,"[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error : Fail to load bufmgr backend\n",
                 getpid());
         free (bufmgr);
@@ -862,7 +907,7 @@ tbm_bufmgr_init (int fd)
     bufmgr->ref_count = 1;
     bufmgr->fd = fd;
 
-    fprintf(stderr, "[libtbm:%d] create tizen bufmgr: ref_count:%d\n",
+    TBM_LOG ("[libtbm:%d] create tizen bufmgr: ref_count:%d\n",
          getpid(), bufmgr->ref_count);
 
     if (pthread_mutex_init (&bufmgr->lock, NULL) != 0)
@@ -876,7 +921,7 @@ tbm_bufmgr_init (int fd)
     /* intialize the tizen global status */
     if (!_tbm_bufmgr_init_state (bufmgr))
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "error: Fail to init state\n",
                 getpid());
         bufmgr->backend->bufmgr_deinit (bufmgr);
@@ -923,7 +968,7 @@ tbm_bufmgr_deinit (tbm_bufmgr bufmgr)
     bufmgr->ref_count--;
     if (bufmgr->ref_count > 0)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "tizen bufmgr destroy: bufmgr:%p, ref_cnt:%d\n",
                 getpid(), bufmgr, bufmgr->ref_count);
         return;
@@ -934,7 +979,7 @@ tbm_bufmgr_deinit (tbm_bufmgr bufmgr)
     {
         LIST_FOR_EACH_ENTRY_SAFE (bo, tmp, &bufmgr->bo_list, item_link)
         {
-            fprintf (stderr, "[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                     "Un-freed bo(%p, ref:%d) \n",
                     getpid(), bo, bo->ref_cnt);
             bo->ref_cnt = 1;
@@ -953,7 +998,7 @@ tbm_bufmgr_deinit (tbm_bufmgr bufmgr)
 
     pthread_mutex_destroy (&bufmgr->lock);
 
-    fprintf (stderr, "[libtbm:%d] "
+    TBM_LOG ("[libtbm:%d] "
             "tizen bufmgr destroy: bufmgr:%p, ref_cnt:%d\n",
             getpid(), bufmgr, bufmgr->ref_count);
 
@@ -1148,11 +1193,9 @@ tbm_bo_map (tbm_bo bo, int device, int opt)
 
     pthread_mutex_lock (&bufmgr->lock);
 
-    _tbm_bo_lock (bo);
     bo_handle = bufmgr->backend->bo_map (bo, device, opt);
 
-    /* increase the ref_count */
-//    _tbm_bo_ref (bo);
+    _tbm_bo_lock (bo, device, opt);
 
     if (bufmgr->use_map_cache == 1 && bo->map_cnt == 0)
         _tbm_bo_set_state (bo, device, opt);
@@ -1177,6 +1220,8 @@ tbm_bo_unmap (tbm_bo bo)
 
     pthread_mutex_lock (&bufmgr->lock);
 
+     _tbm_bo_unlock (bo);
+
     ret = bufmgr->backend->bo_unmap (bo);
 
     /* decrease the map_count */
@@ -1185,11 +1230,6 @@ tbm_bo_unmap (tbm_bo bo)
     if (bo->map_cnt == 0)
         _tbm_bo_save_state (bo);
 
-     _tbm_bo_unlock (bo);
-
-    /* decrease the ref_count */
-//    _tbm_bo_unref (bo);
-
     pthread_mutex_unlock (&bufmgr->lock);
 
     return ret;
@@ -1259,7 +1299,7 @@ tbm_bo_add_user_data (tbm_bo bo, unsigned long key, tbm_data_free data_free_func
     data = _user_data_lookup (&bo->user_data_list, key);
     if (data)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
                 "waring: %s:%d user data already exist. key:%ld\n",
                 getpid(), __FUNCTION__, __LINE__, key);
         return 0;
diff --git a/src/tbm_bufmgr.h b/src/tbm_bufmgr.h
index 07654f6..7bf2597 100755
--- a/src/tbm_bufmgr.h
+++ b/src/tbm_bufmgr.h
@@ -43,7 +43,7 @@ typedef struct _tbm_bo *tbm_bo;
 
 /* TBM_DEVICE_TYPE */
 #define TBM_DEVICE_DEFAULT   0  /**< device type to get the default handle    */
-#define TBM_DEVICE_CPU       1  /**< device type to get the virtual pointer   */
+#define TBM_DEVICE_CPU       1  /**< device type to get the virtual memory    */
 #define TBM_DEVICE_2D        2  /**< device type to get the 2D memory handle  */
 #define TBM_DEVICE_3D        3  /**< device type to get the 3D memory handle  */
 #define TBM_DEVICE_MM        4  /**< device type to get the multimedia handle */
@@ -51,6 +51,7 @@ typedef struct _tbm_bo *tbm_bo;
 /* TBM_OPTION */
 #define TBM_OPTION_READ      (1 << 0) /**< access option to read  */
 #define TBM_OPTION_WRITE     (1 << 1) /**< access option to write */
+#define TBM_OPTION_VENDOR    (0xffff0000) /**< vendor specific option: it depends on the backend */
 
 /**
  * @brief tbm_bo_handle
@@ -70,12 +71,17 @@ typedef union _tbm_bo_handle
  */
 enum TBM_BO_FLAGS
 {
-    TBM_BO_DEFAULT = 0,          /**< physically non-contiguous memory */
-    TBM_BO_SCANOUT = (1<<0),     /**< physically contiguous memory     */
-    TBM_BO_NONCACHABLE = (1<<1), /**< non-cachable memory              */
-    TBM_BO_WC = (1<<2),          /**< write-combine memory             */
+    TBM_BO_DEFAULT = 0,            /**< default memory: it depends on the backend         */
+    TBM_BO_SCANOUT = (1<<0),       /**< scanout memory                                    */
+    TBM_BO_NONCACHABLE = (1<<1),   /**< non-cachable memory                               */
+    TBM_BO_WC = (1<<2),            /**< write-combine memory                              */
+    TBM_BO_VENDOR = (0xffff0000), /**< vendor specific memory: it depends on the backend */
 };
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* Functions for buffer manager */
 
 /**
@@ -215,5 +221,9 @@ int tbm_bo_set_user_data    (tbm_bo bo, unsigned long key, void* data);
  */
 int tbm_bo_get_user_data    (tbm_bo bo, unsigned long key, void** data);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _TBM_BUFMGR_H_ */
 
diff --git a/src/tbm_bufmgr_backend.c b/src/tbm_bufmgr_backend.c
index d6017b6..dd82402 100755
--- a/src/tbm_bufmgr_backend.c
+++ b/src/tbm_bufmgr_backend.c
@@ -65,7 +65,7 @@ tbm_backend_init (tbm_bufmgr bufmgr, tbm_bufmgr_backend backend)
 
     if (!bufmgr)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
             "error (%s): fail to init tbm backend... bufmgr is null\n",
             getpid(), __FUNCTION__);
         return 0;
@@ -73,7 +73,7 @@ tbm_backend_init (tbm_bufmgr bufmgr, tbm_bufmgr_backend backend)
 
     if (!backend)
     {
-        fprintf (stderr, "[libtbm:%d] "
+        TBM_LOG ("[libtbm:%d] "
             "error (%s): fail to init tbm backend... backend is null\n",
             getpid(), __FUNCTION__);
         return 0;
@@ -85,7 +85,7 @@ tbm_backend_init (tbm_bufmgr bufmgr, tbm_bufmgr_backend backend)
     {
         if (!backend->bo_cache_flush)
         {
-            fprintf (stderr, "[libtbm:%d] "
+            TBM_LOG ("[libtbm:%d] "
                 "error (%s): TBM_FLAG_CACHE_CTRL_TBM needs backend->bo_cache_flush\n",
                 getpid(), __FUNCTION__);
             return 0;
@@ -93,18 +93,18 @@ tbm_backend_init (tbm_bufmgr bufmgr, tbm_bufmgr_backend backend)
     }
 
     /* log for tbm flags */
-    fprintf (stderr, "[libtbm:%d] ", getpid());
-    fprintf (stderr, "cache_crtl:");
+    TBM_LOG ("[libtbm:%d] ", getpid());
+    TBM_LOG ("cache_crtl:");
     if (flags&TBM_CACHE_CTRL_BACKEND)
-        fprintf (stderr, "BACKEND ");
+        TBM_LOG ("BACKEND ");
     else
-        fprintf (stderr, "TBM ");
-    fprintf (stderr, "lock_crtl:");
+        TBM_LOG ("TBM ");
+    TBM_LOG ("lock_crtl:");
     if (flags&TBM_LOCK_CTRL_BACKEND)
-        fprintf (stderr, "BACKEND ");
+        TBM_LOG ("BACKEND ");
     else
-        fprintf (stderr, "TBM ");
-    fprintf (stderr, "\n");
+        TBM_LOG ("TBM ");
+    TBM_LOG ("\n");
 
     bufmgr->backend = backend;
 
diff --git a/src/tbm_bufmgr_backend.h b/src/tbm_bufmgr_backend.h
index f1f5672..b0b3501 100755
--- a/src/tbm_bufmgr_backend.h
+++ b/src/tbm_bufmgr_backend.h
@@ -192,11 +192,20 @@ struct _tbm_bufmgr_backend
     */

     int           (*bo_unlock)         (tbm_bo bo);

 

+    /**

+    * @brief lock the buffer object with a device and an opt.

+    * @param[in] bo : the buffer object

+    * @param[in] device : the device type to get a handle

+    * @param[in] option : the option to access the buffer object

+    * @return 1 if this function succeeds, otherwise 0.

+    * @remark This function pointer could be null. (default: use the tizen global lock)

+    */

+    int           (*bo_lock2)           (tbm_bo bo, int device, int opt);

+

     /* Padding for future extension */

     void (*reserved1)    (void);

     void (*reserved2)    (void);

     void (*reserved3)    (void);

-    void (*reserved4)    (void);

 };

 

 /**

diff --git a/src/tbm_bufmgr_int.h b/src/tbm_bufmgr_int.h
index a73b694..e13535a 100755
--- a/src/tbm_bufmgr_int.h
+++ b/src/tbm_bufmgr_int.h
@@ -35,6 +35,8 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <pthread.h>

 #include "tbm_bufmgr_backend.h"

 

+#define TBM_LOG(...)  fprintf (stderr, __VA_ARGS__)

+

 typedef union _tbm_bo_cache_state tbm_bo_cache_state;

 

 struct list_head

diff --git a/src/tbm_bufmgr_glock.h b/src/tbm_bufmgr_tgl.h
index cde87ef..10ec1a8 100644
--- a/src/tbm_bufmgr_glock.h
+++ b/src/tbm_bufmgr_tgl.h
@@ -8,12 +8,13 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-#ifndef __TBM_BUFMGR_GLOCK_H__
-#define __TBM_BUFMGR_GLOCK_H__
+#ifndef __TBM_BUFMGR_TGL_H__
+#define __TBM_BUFMGR_TGL_H__
 
 #include <linux/ioctl.h>
 
 static char tgl_devfile[] = "/dev/slp_global_lock";
+static char tgl_devfile1[] = "/dev/tgl";
 
 #define TGL_IOC_BASE				0x32
 
@@ -45,4 +46,4 @@ typedef enum {
 #define TGL_IOC_SET_DATA			_IOW(TGL_IOC_BASE, _TGL_SET_DATA, struct tgl_user_data *)
 #define TGL_IOC_GET_DATA			_IOW(TGL_IOC_BASE, _TGL_GET_DATA, struct tgl_user_data *)
 
-#endif /* __TBM_BUFMGR_GLOCK_H__ */
+#endif /* __TBM_BUFMGR_TGL_H__ */