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authorHemant Hariyani2014-12-01 10:31:50 -0600
committerHemant Hariyani2014-12-01 10:59:08 -0600
commit7ba6322476fe758da39a711c4918516694da23af (patch)
treebff4b1dd1bea0a68111d792d32245c4451867837
parent61b0359352629226e33d2ab8ce1dc0e47508b344 (diff)
downloaddevice-ti-proprietary-open-7ba6322476fe758da39a711c4918516694da23af.tar.gz
device-ti-proprietary-open-7ba6322476fe758da39a711c4918516694da23af.tar.xz
device-ti-proprietary-open-7ba6322476fe758da39a711c4918516694da23af.zip
sgx_src: Update sgx_src with missing files and platform rev
This files were missing from the previous commit. Also, set default platform version to 5.0 to allow building KM without Android enviornment. Change-Id: I768a1824846ac07574ca3b78769dd4bf56628c80 Signed-off-by: Hemant Hariyani <hemanthariyani@ti.com>
-rw-r--r--jacinto6/README.SGX12
-rw-r--r--jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/common/android/platform_version.mk2
-rw-r--r--jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.c283
-rw-r--r--jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.h58
-rw-r--r--jacinto6/sgx_src/eurasia_km/services4/srvkm/include/external_sync.h (renamed from jacinto6/sgx_src/eurasia_km/services4/srvkm/include/ion_sync.h)24
5 files changed, 361 insertions, 18 deletions
diff --git a/jacinto6/README.SGX b/jacinto6/README.SGX
index 1479e47..c1fde6c 100644
--- a/jacinto6/README.SGX
+++ b/jacinto6/README.SGX
@@ -16,11 +16,13 @@ sgx.tgz a set of binaries built for SGX544.
16[DDK Version] 16[DDK Version]
17 1.12/2917986 17 1.12/2917986
18[DDK commit ID] 18[DDK commit ID]
19 0c60181 android: update hal_public.h for TI formats 19 c76a085 build-km: Set 5.0 as default version
20[Branch] 20[Branch]
21 android/1.12/2917986_k3.14_L_gem 21 android/1.12/2917986_k3.14_L_gem
22[Kernel modules built against] 22[Kernel modules built against]
23 Kernel Version: 3.14.y with CONFIG_MODVERSIONS=y 23 Kernel Version: 3.14.y with CONFIG_MODVERSIONS=y
24[Build type]
25 debug (export BUILD=debug)
24 26
25#=========================================================================== 27#===========================================================================
26# Building SGX Kernel Modules 28# Building SGX Kernel Modules
@@ -31,17 +33,17 @@ Make sure kernel is built before building modules
31 33
32# cd ANDROID_ROOT/device/ti/proprietary-open/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/omap_android/ 34# cd ANDROID_ROOT/device/ti/proprietary-open/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/omap_android/
33# export KERNELDIR=path_to_kernel 35# export KERNELDIR=path_to_kernel
36# export PATH=<path to kernel toolchain>:$PATH
34 37
35To build for OMAP5 (SGX 544 multi core): 38To build for OMAP5 (SGX 544 multi core):
36# make ARCH=arm KERNEL_CROSS_COMPILE=arm-eabi- CROSS_COMPILE=arm-eabi- TARGET_PRODUCT="jacinto6evm" PLATFORM_VERSION=5.0 BUILD=debug 39# make ARCH=arm KERNEL_CROSS_COMPILE=arm-eabi- CROSS_COMPILE=arm-eabi- TARGET_PRODUCT="jacinto6evm" BUILD=debug
37 40
38Once the .ko is built, install it onto device (/system/lib/modules) 41Once the .ko is built, install it onto device (/system/lib/modules)
39 42
40# cd ANDROID_ROOT/device/ti/proprietary-open/jacinto6/sgx_src/eurasia_km/eurasiacon/binary2_omap_android_release/target/ 43# cd ANDROID_ROOT/device/ti/proprietary-open/jacinto6/sgx_src/eurasia_km/eurasiacon/binary2_omap_android_debug/target/
41# adb push pvrsrvkm.ko /system/lib/modules/ 44# adb push pvrsrvkm.ko /system/lib/modules/
42# adb push omaplfb.ko /system/lib/modules/
43 45
44If you build the kernel module, it is highly advisable to replace the binaries 46If you build the kernel module, it is highly advisable to replace the binaries
45in your device with the ones located in sgx.tgz to avoid incompatibility. 47in your device with the ones in sgx.tgz to avoid incompatibility.
46 48
47Reboot device. 49Reboot device.
diff --git a/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/common/android/platform_version.mk b/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/common/android/platform_version.mk
index 482fd19..bf43dda 100644
--- a/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/common/android/platform_version.mk
+++ b/jacinto6/sgx_src/eurasia_km/eurasiacon/build/linux2/common/android/platform_version.mk
@@ -45,7 +45,7 @@ PLATFORM_VERSION := $(shell \
45 cat $(TARGET_ROOT)/product/$(TARGET_DEVICE)/system/build.prop | \ 45 cat $(TARGET_ROOT)/product/$(TARGET_DEVICE)/system/build.prop | \
46 grep ^ro.build.version.release | cut -f2 -d'=' | cut -f1 -d'-'; \ 46 grep ^ro.build.version.release | cut -f2 -d'=' | cut -f1 -d'-'; \
47 else \ 47 else \
48 echo 1.6; \ 48 echo 5.0; \
49 fi) 49 fi)
50 50
51define version-starts-with 51define version-starts-with
diff --git a/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.c b/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.c
new file mode 100644
index 0000000..29c7d5d
--- /dev/null
+++ b/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.c
@@ -0,0 +1,283 @@
1/*************************************************************************/ /*!
2@Title Ion driver inter-operability code.
3@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
4@License Dual MIT/GPLv2
5
6The contents of this file are subject to the MIT license as set out below.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18Alternatively, the contents of this file may be used under the terms of
19the GNU General Public License Version 2 ("GPL") in which case the provisions
20of GPL are applicable instead of those above.
21
22If you wish to allow use of your version of this file only under the terms of
23GPL, and not to allow others to use your version of this file under the terms
24of the MIT license, indicate your decision by deleting the provisions above
25and replace them with the notice and other provisions required by GPL as set
26out in the file called "GPL-COPYING" included in this distribution. If you do
27not delete the provisions above, a recipient may use your version of this file
28under the terms of either the MIT license or GPL.
29
30This License is also included in this distribution in the file called
31"MIT-COPYING".
32
33EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
34PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
35BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
37COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
38IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
39CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40*/ /**************************************************************************/
41
42#include "dmabuf.h"
43#include <linux/platform_device.h>
44#include <linux/dma-buf.h>
45#include <linux/dma-direction.h>
46#include <linux/scatterlist.h>
47#include <linux/kernel.h>
48#include <linux/slab.h>
49#include <linux/err.h>
50
51extern struct platform_device *gpsPVRLDMDev;
52
53#define MAX_IMPORT_DMABUF_FDS 3
54
55typedef struct _DMABUF_IMPORT_DATA_
56{
57 /* Number of dma_buf handles represented by this import */
58 IMG_UINT32 ui32NumHandles;
59
60 /* Array of dma_buf handles in use by services */
61 struct dma_buf *apsDmaBuf[MAX_IMPORT_DMABUF_FDS];
62
63 /* Array of dma_buf attachments */
64 struct dma_buf_attachment *apsDmaBufAttachment[MAX_IMPORT_DMABUF_FDS];
65
66 /* Array of sg_tables */
67 struct sg_table *apsSgTable[MAX_IMPORT_DMABUF_FDS];
68
69 /* Array of physical addresses represented by these buffers */
70 IMG_SYS_PHYADDR *psSysPhysAddr;
71
72#if defined(PDUMP)
73 /* FIXME: Not sure if this is needed here */
74 IMG_PVOID pvKernAddr0;
75#endif /* defined(PDUMP) */
76}
77DMABUF_IMPORT_DATA;
78
79PVRSRV_ERROR DmabufImportBufferAndAcquirePhysAddr(IMG_UINT32 ui32NumFDs,
80 IMG_INT32 *pai32BufferFDs,
81 IMG_UINT32 *pui32PageCount,
82 IMG_SYS_PHYADDR **ppsSysPhysAddr,
83 IMG_PVOID *ppvKernAddr0,
84 IMG_HANDLE *phPriv,
85 IMG_HANDLE *phUnique)
86{
87 struct scatterlist *psTemp, *psScatterList[MAX_IMPORT_DMABUF_FDS] = {};
88 PVRSRV_ERROR eError = PVRSRV_ERROR_OUT_OF_MEMORY;
89 IMG_UINT32 i, k, ui32PageCount = 0;
90 DMABUF_IMPORT_DATA *psImportData;
91
92 if(ui32NumFDs > MAX_IMPORT_DMABUF_FDS)
93 {
94 printk(KERN_ERR "%s: More passed in than supported "
95 "(%d provided, %d max)", __func__, ui32NumFDs,
96 MAX_IMPORT_DMABUF_FDS);
97 return PVRSRV_ERROR_INVALID_PARAMS;
98 }
99
100 psImportData = kzalloc(sizeof(DMABUF_IMPORT_DATA), GFP_KERNEL);
101 if (psImportData == NULL)
102 {
103 goto exitFailKMallocImportData;
104 }
105
106 /* Set up import data for free call */
107 psImportData->ui32NumHandles = ui32NumFDs;
108
109 for(i = 0; i < ui32NumFDs; i++)
110 {
111 int fd = (int)pai32BufferFDs[i];
112
113 psImportData->apsDmaBuf[i] = dma_buf_get(fd);
114 if (psImportData->apsDmaBuf[i] == IMG_NULL)
115 {
116 eError = PVRSRV_ERROR_BAD_MAPPING;
117 goto exitFailImport;
118 }
119
120 psImportData->apsDmaBufAttachment[i] = dma_buf_attach(psImportData->apsDmaBuf[i],
121 &gpsPVRLDMDev->dev);
122
123 psImportData->apsSgTable[i] = dma_buf_map_attachment(psImportData->apsDmaBufAttachment[i],
124 DMA_BIDIRECTIONAL);
125
126 psScatterList[i] = psImportData->apsSgTable[i]->sgl;
127 if (psScatterList[i] == NULL)
128 {
129 eError = PVRSRV_ERROR_INVALID_PARAMS;
130 goto exitFailImport;
131 }
132
133 /* Although all heaps will provide an sg_table, the tables cannot
134 * always be trusted because sg_lists are just pointers to "struct
135 * page" values, and some memory e.g. carveout may not have valid
136 * "struct page" values. In particular, on ARM, carveout is
137 * generally reserved with memblock_remove(), which leaves the
138 * "struct page" entries uninitialized when SPARSEMEM is enabled.
139 * The effect of this is that page_to_pfn(pfn_to_page(pfn)) != pfn.
140 *
141 * There's more discussion on this mailing list thread:
142 * http://lists.linaro.org/pipermail/linaro-mm-sig/2012-August/002440.html
143 *
144 * probably a contiguous allocator. If the phys() function is
145 * implemented, we'll use it to check sg_table->sgl[0]. If we find
146 * they don't agree, we'll assume phys() is more reliable and use
147 * that.
148 *
149 * Some heaps out there will implement phys() even though they are
150 * not for physically contiguous allocations (so the sg_table must
151 * be used). Therefore use the sg_table if the phys() and first
152 * sg_table entry match. This should be reliable because for most
153 * contiguous allocators, the sg_table should be a single span
154 * from 'start' to 'start+size'.
155 *
156 * Also, ion prints out an error message if the heap doesn't implement
157 * ->phys(), which we want to avoid, so only use ->phys() if the
158 * sg_table contains a single span and therefore could plausibly
159 * be a contiguous allocator.
160 */
161 #if 0
162 if(!sg_next(psScatterList[i]))
163 {
164 ion_phys_addr_t sPhyAddr;
165 size_t sLength;
166
167 if(!ion_phys(psIonClient, psImportData->apsIonHandle[i],
168 &sPhyAddr, &sLength))
169 {
170 BUG_ON(sLength & ~PAGE_MASK);
171
172 if(sg_phys(psScatterList[i]) != sPhyAddr)
173 {
174 psScatterList[i] = IMG_NULL;
175 ui32PageCount += sLength / PAGE_SIZE;
176 }
177 }
178 }
179 #endif
180 for(psTemp = psScatterList[i]; psTemp; psTemp = sg_next(psTemp))
181 {
182 IMG_UINT32 j;
183 for (j = 0; j < psTemp->length; j += PAGE_SIZE)
184 {
185 ui32PageCount++;
186 }
187 }
188 }
189
190 BUG_ON(ui32PageCount == 0);
191
192 psImportData->psSysPhysAddr = kmalloc(sizeof(IMG_SYS_PHYADDR) * ui32PageCount, GFP_KERNEL);
193 if (psImportData->psSysPhysAddr == NULL)
194 {
195 goto exitFailImport;
196 }
197
198 for(i = 0, k = 0; i < ui32NumFDs; i++)
199 {
200 if(psScatterList[i])
201 {
202 for(psTemp = psScatterList[i]; psTemp; psTemp = sg_next(psTemp))
203 {
204 IMG_UINT32 j;
205 for (j = 0; j < psTemp->length; j += PAGE_SIZE)
206 {
207 psImportData->psSysPhysAddr[k].uiAddr = sg_phys(psTemp) + j;
208 k++;
209 }
210 }
211 }
212#if 0
213 else
214 {
215 ion_phys_addr_t sPhyAddr;
216 size_t sLength, j;
217
218 ion_phys(psIonClient, psImportData->apsIonHandle[i],
219 &sPhyAddr, &sLength);
220
221 for(j = 0; j < sLength; j += PAGE_SIZE)
222 {
223 psImportData->psSysPhysAddr[k].uiAddr = sPhyAddr + j;
224 k++;
225 }
226 }
227#endif
228 }
229
230 *pui32PageCount = ui32PageCount;
231 *ppsSysPhysAddr = psImportData->psSysPhysAddr;
232
233#if defined(PDUMP)
234 if(ui32NumFDs == 1)
235 {
236 /*FIXME */
237 /* Need to handle kernel mapping */
238 }
239 else
240#endif /* defined(PDUMP) */
241 {
242 *ppvKernAddr0 = NULL;
243 }
244
245 *phPriv = psImportData;
246 *phUnique = (IMG_HANDLE)psImportData->psSysPhysAddr[0].uiAddr;
247
248 return PVRSRV_OK;
249
250exitFailImport:
251 for(i = 0; psImportData->apsDmaBuf[i] != NULL; i++)
252 {
253 dma_buf_put(psImportData->apsDmaBuf[i]);
254 }
255 kfree(psImportData);
256exitFailKMallocImportData:
257 return eError;
258}
259
260IMG_VOID DmabufUnimportBufferAndReleasePhysAddr(IMG_HANDLE hPriv)
261{
262 DMABUF_IMPORT_DATA *psImportData = hPriv;
263 IMG_UINT32 i;
264
265#if defined(PDUMP)
266 if (psImportData->pvKernAddr0)
267 {
268 //FIXME
269 }
270#endif /* defined(PDUMP) */
271 for(i = 0; i < psImportData->ui32NumHandles; i++)
272 {
273 dma_buf_unmap_attachment(psImportData->apsDmaBufAttachment[i],
274 psImportData->apsSgTable[i],
275 DMA_BIDIRECTIONAL);
276 dma_buf_detach(psImportData->apsDmaBuf[i],
277 psImportData->apsDmaBufAttachment[i]);
278 dma_buf_put(psImportData->apsDmaBuf[i]);
279 }
280
281 kfree(psImportData->psSysPhysAddr);
282 kfree(psImportData);
283}
diff --git a/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.h b/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.h
new file mode 100644
index 0000000..4ea3ff1
--- /dev/null
+++ b/jacinto6/sgx_src/eurasia_km/services4/srvkm/env/linux/dmabuf.h
@@ -0,0 +1,58 @@
1/*************************************************************************/ /*!
2@Title Ion driver inter-operability code.
3@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
4@License Dual MIT/GPLv2
5
6The contents of this file are subject to the MIT license as set out below.
7
8Permission is hereby granted, free of charge, to any person obtaining a copy
9of this software and associated documentation files (the "Software"), to deal
10in the Software without restriction, including without limitation the rights
11to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12copies of the Software, and to permit persons to whom the Software is
13furnished to do so, subject to the following conditions:
14
15The above copyright notice and this permission notice shall be included in
16all copies or substantial portions of the Software.
17
18Alternatively, the contents of this file may be used under the terms of
19the GNU General Public License Version 2 ("GPL") in which case the provisions
20of GPL are applicable instead of those above.
21
22If you wish to allow use of your version of this file only under the terms of
23GPL, and not to allow others to use your version of this file under the terms
24of the MIT license, indicate your decision by deleting the provisions above
25and replace them with the notice and other provisions required by GPL as set
26out in the file called "GPL-COPYING" included in this distribution. If you do
27not delete the provisions above, a recipient may use your version of this file
28under the terms of either the MIT license or GPL.
29
30This License is also included in this distribution in the file called
31"MIT-COPYING".
32
33EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
34PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
35BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
36PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
37COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
38IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
39CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
40*/ /**************************************************************************/
41
42#ifndef __IMG_LINUX_DMABUF_H__
43#define __IMG_LINUX_DMABUF_H__
44
45#include "img_types.h"
46#include "servicesext.h"
47
48PVRSRV_ERROR DmabufImportBufferAndAcquirePhysAddr(IMG_UINT32 ui32NumFDs,
49 IMG_INT32 *pi32BufferFDs,
50 IMG_UINT32 *pui32PageCount,
51 IMG_SYS_PHYADDR **ppsSysPhysAddr,
52 IMG_PVOID *ppvKernAddr0,
53 IMG_HANDLE *phPriv,
54 IMG_HANDLE *phUnique);
55
56IMG_VOID DmabufUnimportBufferAndReleasePhysAddr(IMG_HANDLE hPriv);
57
58#endif /* __IMG_LINUX_DMABUF_H__ */
diff --git a/jacinto6/sgx_src/eurasia_km/services4/srvkm/include/ion_sync.h b/jacinto6/sgx_src/eurasia_km/services4/srvkm/include/external_sync.h
index 8600a19..9b64d1e 100644
--- a/jacinto6/sgx_src/eurasia_km/services4/srvkm/include/ion_sync.h
+++ b/jacinto6/sgx_src/eurasia_km/services4/srvkm/include/external_sync.h
@@ -43,31 +43,31 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
43#include "img_types.h" 43#include "img_types.h"
44#include "servicesint.h" 44#include "servicesint.h"
45 45
46#ifndef __ION_SYNC_H__ 46#ifndef __EXTERNAL_SYNC_H__
47#define __ION_SYNC_H__ 47#define __EXTERNAL_SYNC_H__
48 48
49typedef struct _PVRSRV_ION_SYNC_INFO_ { 49typedef struct _PVRSRV_EXTERNAL_SYNC_INFO_ {
50 PVRSRV_KERNEL_SYNC_INFO *psSyncInfo; 50 PVRSRV_KERNEL_SYNC_INFO *psSyncInfo;
51 IMG_HANDLE hUnique; 51 IMG_HANDLE hUnique;
52 IMG_UINT32 ui32RefCount; 52 IMG_UINT32 ui32RefCount;
53 IMG_UINT64 ui64Stamp; 53 IMG_UINT64 ui64Stamp;
54} PVRSRV_ION_SYNC_INFO; 54} PVRSRV_EXTERNAL_SYNC_INFO;
55 55
56PVRSRV_ERROR PVRSRVIonBufferSyncAcquire(IMG_HANDLE hUnique, 56PVRSRV_ERROR PVRSRVExternalBufferSyncAcquire(IMG_HANDLE hUnique,
57 IMG_HANDLE hDevCookie, 57 IMG_HANDLE hDevCookie,
58 IMG_HANDLE hDevMemContext, 58 IMG_HANDLE hDevMemContext,
59 PVRSRV_ION_SYNC_INFO **ppsIonSyncInfo); 59 PVRSRV_EXTERNAL_SYNC_INFO **ppsExternalSyncInfo);
60 60
61IMG_VOID PVRSRVIonBufferSyncRelease(PVRSRV_ION_SYNC_INFO *psIonSyncInfo); 61IMG_VOID PVRSRVExternalBufferSyncRelease(PVRSRV_EXTERNAL_SYNC_INFO *psExternalSyncInfo);
62 62
63static INLINE PVRSRV_KERNEL_SYNC_INFO *IonBufferSyncGetKernelSyncInfo(PVRSRV_ION_SYNC_INFO *psIonSyncInfo) 63static INLINE PVRSRV_KERNEL_SYNC_INFO *ExternalBufferSyncGetKernelSyncInfo(PVRSRV_EXTERNAL_SYNC_INFO *psExternalSyncInfo)
64{ 64{
65 return psIonSyncInfo->psSyncInfo; 65 return psExternalSyncInfo->psSyncInfo;
66} 66}
67 67
68static INLINE IMG_UINT64 IonBufferSyncGetStamp(PVRSRV_ION_SYNC_INFO *psIonSyncInfo) 68static INLINE IMG_UINT64 ExternalBufferSyncGetStamp(PVRSRV_EXTERNAL_SYNC_INFO *psExternalSyncInfo)
69{ 69{
70 return psIonSyncInfo->ui64Stamp; 70 return psExternalSyncInfo->ui64Stamp;
71} 71}
72 72
73#endif /* __ION_SYNC_H__ */ 73#endif /* __EXTERNAL_SYNC_H__ */