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Add OS<->GPU IPC

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This commit is contained in:
DH 2023-06-24 23:48:25 +03:00
parent df5f8055fa
commit 2ab5cfb1f3
10 changed files with 271 additions and 124 deletions
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7
hw/amdgpu/bridge/src/bridge.cpp
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@ -14,7 +14,7 @@ amdgpu::bridge::createShmCommandBuffer(const char *name) {
return nullptr;
}
unlinkShm(name);
// unlinkShm(name);
int fd = ::shm_open(name, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
@ -54,6 +54,11 @@ amdgpu::bridge::openShmCommandBuffer(const char *name) {
return nullptr;
}
if (ftruncate(fd, kShmSize) < 0) {
::close(fd);
return nullptr;
}
void *memory =
::mmap(nullptr, kShmSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);