commit ba8f7342feb749eeeca3423cb231110b00124ac5
author Dale Stimson <dale.b.stimson@intel.com> Tue Sep 09 08:17:26 2014 +0800
committer Ed Tam <etam@google.com> Sat Nov 22 15:03:57 2014 -0800
tree 9c1fd1e32b4abc63423235c337df6cd4954f0263
parent 77bfea2e6a3dc1e30a17780b48b7b231eef77255

ION support in libwsbm.

When creat surface from user pointer, it will also
pass down buffer fd to kernel, which help to find
physical pages if ION is enabled.

Orig-Author:     Randy Xu <randy.xu@intel.com>

BZ: 224134
Bug: 17316531
Depends-on: Ife9513fe58e06ea2829987f328668f975a44b4e0
Depends-on: I4b8422d48b06419af6e48b631bacbe6c7169574e
Depends-on: Ia4c5bc80df952024a0973f2bacc42992301dfbf9
Depends-on: I172cdcb8cc86fd6fa3d3adadbab19b6fd3e6a18e
Depends-on: I2a2e721719349f755033c15bdeb732e7fb5c89ac
Depends-on: I48deabb107cc3abfa59eff5e012b51293fe6d74f
Depends-on: I0ca0f06491e3fb498b3b41b70cbe1b6cf39e1918
Change-Id: If2be266fc9063d7a2b701f85e8ace26aaf484ff5
Signed-off-by: mahongpe <hongpeng.ma@intel.com>

src/wsbm_manager.c

diff --git a/src/wsbm_manager.c b/src/wsbm_manager.c
index e7c8f5d..0cbf9de 100644
--- a/src/wsbm_manager.c
+++ b/src/wsbm_manager.c
@@ -613,7 +613,7 @@
 int
 wsbmBODataUB(struct _WsbmBufferObject *buf,
         unsigned size, const void *data, struct _WsbmBufferPool *newPool,
-        uint32_t placement, const unsigned long *user_ptr)
+        uint32_t placement, const unsigned long *user_ptr, int fd)
 {
     int newBuffer;
     int retval = 0;
@@ -624,7 +624,7 @@
     extern struct _WsbmBufStorage *
     ttm_pool_ub_create(struct _WsbmBufferPool *pool,
         unsigned long size, uint32_t placement, unsigned alignment,
-        const unsigned long *user_ptr);
+        const unsigned long *user_ptr, int fd);
 
     if (buf->bufferType == WSBM_BUFFER_SIMPLE)
         return -EINVAL;
@@ -659,7 +659,7 @@
         }
 
         buf->storage =
-            ttm_pool_ub_create(newPool, size, placement, buf->alignment, user_ptr);
+            ttm_pool_ub_create(newPool, size, placement, buf->alignment, user_ptr, fd);
         if (!buf->storage) {
             retval = -ENOMEM;
             goto out;
@@ -681,7 +681,7 @@
         curPool = storage->pool;
 
         tmp_storage =
-            ttm_pool_ub_create(curPool, size, placement, buf->alignment, user_ptr);
+            ttm_pool_ub_create(curPool, size, placement, buf->alignment, user_ptr, fd);
 
         if (tmp_storage) {
             wsbmBufStorageUnref(&buf->storage);

src/wsbm_manager.h

diff --git a/src/wsbm_manager.h b/src/wsbm_manager.h
index aa2eb5f..1fd5e39 100644
--- a/src/wsbm_manager.h
+++ b/src/wsbm_manager.h
@@ -95,7 +95,7 @@
 
 extern int wsbmBODataUB(struct _WsbmBufferObject *buf,
             unsigned size, const void *data, struct _WsbmBufferPool *newPool,
-            uint32_t placement, const unsigned long *user_ptr);
+            uint32_t placement, const unsigned long *user_ptr, int fd);
 
 extern int wsbmBOSetStatus(struct _WsbmBufferObject *buf,
 			   uint32_t setPlacement, uint32_t clrPlacement);

src/wsbm_ttmpool.c

diff --git a/src/wsbm_ttmpool.c b/src/wsbm_ttmpool.c
index 0ea32bd..3b594b3 100644
--- a/src/wsbm_ttmpool.c
+++ b/src/wsbm_ttmpool.c
@@ -529,7 +529,7 @@
 }
 
 struct _WsbmBufStorage *
-ttm_pool_ub_create(struct _WsbmBufferPool *pool, unsigned long size, uint32_t placement, unsigned alignment, const unsigned long *user_ptr)
+ttm_pool_ub_create(struct _WsbmBufferPool *pool, unsigned long size, uint32_t placement, unsigned alignment, const unsigned long *user_ptr, int fd)
 {
     struct _TTMBuffer *dBuf = (struct _TTMBuffer *)
 	    calloc(1, sizeof(*dBuf));
@@ -556,6 +556,7 @@
     arg.req.placement = placement;
     arg.req.page_alignment = alignment / pageSize;
     arg.req.user_address = (unsigned long)user_ptr;
+    arg.req.fd = fd;
 
     DRMRESTARTCOMMANDWRITEREAD(pool->fd, ttmPool->devOffset + TTM_PL_CREATE_UB,
 			       arg, ret);