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gpu: nvgpu: Implement NVGPU_AS_IOCTL_GET_VA_REGIONS

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Implement NVGPU_AS_IOCTL_GET_VA_REGIONS which returns a list of GPU VA
regions for different page sizes. This is required for the userspace
for safe fixed-address address space allocation.

Bug 1551752

Change-Id: I63ddde30935db2471bec498dae0caa870e89c1a5
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/590814
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Sami Kiminki
2014-10-28 16:55:12 +02:00
committed by Dan Willemsen
parent f97e7036b1
commit cc6ccd2e3f
3 changed files with 82 additions and 1 deletions
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12
include/trace/events/gk20a.h
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@@ -237,6 +237,18 @@ TRACE_EVENT(gk20a_as_ioctl_unmap_buffer,
TP_printk("name=%s ", __entry->name)
);
TRACE_EVENT(gk20a_as_ioctl_get_va_regions,
TP_PROTO(const char *name),
TP_ARGS(name),
TP_STRUCT__entry(
__field(const char *, name)
),
TP_fast_assign(
__entry->name = name;
),
TP_printk("name=%s ", __entry->name)
);
TRACE_EVENT(gk20a_mmu_fault,
TP_PROTO(u32 fault_hi, u32 fault_lo,
u32 fault_info,