[PATCH 4/4] amdgpu: add a new bo va function to support NULL bo

[Junwei Zhang]

Signed-off-by: Junwei Zhang <jerry.zh...@amd.com>
---
 amdgpu/amdgpu.h    |  7 +++++++
 amdgpu/amdgpu_bo.c | 40 +++++++++++++++++++++++++++++++++++++++-
 2 files changed, 46 insertions(+), 1 deletion(-)

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 84ab688..a9fddd6 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1429,6 +1429,13 @@ int amdgpu_bo_va_op(amdgpu_bo_handle bo,
                    uint64_t flags,
                    uint32_t ops);
 
+int amdgpu_bo_va_op2(amdgpu_device_handle dev,
+                    amdgpu_bo_handle bo,
+                    uint64_t offset,
+                    uint64_t size,
+                    uint64_t addr,
+                    uint64_t flags,
+                    uint32_t ops);
 /**
  *  VA mapping/unmapping for the buffer object
  *
diff --git a/amdgpu/amdgpu_bo.c b/amdgpu/amdgpu_bo.c
index 800b77a..421e440 100644
--- a/amdgpu/amdgpu_bo.c
+++ b/amdgpu/amdgpu_bo.c
@@ -924,13 +924,51 @@ int amdgpu_bo_list_update(amdgpu_bo_list_handle handle,
        return r;
 }
 
-int amdgpu_bo_va_op(amdgpu_bo_handle bo,
+int amdgpu_bo_va_op2(amdgpu_device_handle dev,
+                    amdgpu_bo_handle bo,
                     uint64_t offset,
                     uint64_t size,
                     uint64_t addr,
                     uint64_t flags,
                     uint32_t ops)
 {
+       struct drm_amdgpu_gem_va va;
+       int r;
+
+       if (ops != AMDGPU_VA_OP_MAP && ops != AMDGPU_VA_OP_UNMAP &&
+                       ops != AMDGPU_VA_OP_REPLACE &&
+                       ops != AMDGPU_VA_OP_CLEAR)
+               return -EINVAL;
+
+       memset(&va, 0, sizeof(va));
+       if (bo)
+               va.handle = bo->handle;
+       else
+               va.handle = NULL;
+       if (flags & AMDGPU_VM_PAGE_PRT)
+               flags &= AMDGPU_VM_PAGE_PRT;
+       else
+               flags |= AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE |
+                       AMDGPU_VM_PAGE_EXECUTABLE;
+
+       va.operation = ops;
+       va.flags = flags;
+       va.va_address = addr;
+       va.offset_in_bo = offset;
+       va.map_size = ALIGN(size, getpagesize());
+
+       r = drmCommandWriteRead(dev->fd, DRM_AMDGPU_GEM_VA, &va, sizeof(va));
+
+       return r;
+}
+
+int amdgpu_bo_va_op(amdgpu_bo_handle bo,
+                   uint64_t offset,
+                   uint64_t size,
+                   uint64_t addr,
+                   uint64_t flags,
+                   uint32_t ops)
+{
        amdgpu_device_handle dev = bo->dev;
        struct drm_amdgpu_gem_va va;
        int r;
-- 
1.9.1

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