amdgpu: validate the upper limit of virtual address v2
Only 8GB virtual address space is used by default now
v2: use -ENOSPC for the error case
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/amdgpu/amdgpu_internal.h b/amdgpu/amdgpu_internal.h
index cc911c5..7910d34 100644
--- a/amdgpu/amdgpu_internal.h
+++ b/amdgpu/amdgpu_internal.h
@@ -40,6 +40,8 @@
#define ROUND_UP(x, y) ((((x)-1) | __round_mask(x, y))+1)
#define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y))
+#define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff
+
struct amdgpu_bo_va_hole {
struct list_head list;
uint64_t offset;
@@ -49,6 +51,7 @@
struct amdgpu_bo_va_mgr {
/* the start virtual address */
uint64_t va_offset;
+ uint64_t va_max;
struct list_head va_holes;
pthread_mutex_t bo_va_mutex;
uint32_t va_alignment;