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gpu: nvgpu: Move pd_cache declarations to new header

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The pd_cache header declarations were oriignally part of the
gmmu.h header. This is not good from a unit isolation perspective
so this patch moves all the pd_cache specifics over to a new
header file: <nvgpu/pd_cache.h>.

Also a couple of static inlines that were possible when the code
was part of gmmu.h were turned into real, first class functions.
This allowed the pd_cache.h header to not include the gmmu.h
header file.

Also fix an issue in the nvgpu_pd_write() function where the data
was being passed as a size_t for some reason. This has now been
changed to a u32.

JIRA NVGPU-1444

Change-Id: Ib9e9e5a54544de403bfcd8e11c30de05721ddbcc
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1966352
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2018-11-13 13:08:05 -08:00
committed by mobile promotions
parent 5bdffee1a8
commit ba85fc999b
9 changed files with 127 additions and 86 deletions
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3
userspace/units/mm/pd_cache/pd_cache.c
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@@ -26,6 +26,7 @@
#include <nvgpu/gk20a.h>
#include <nvgpu/gmmu.h>
#include <nvgpu/pd_cache.h>
#include <nvgpu/enabled.h>
#include <nvgpu/posix/kmem.h>
@@ -598,7 +599,7 @@ static int test_pd_cache_valid_alloc(struct unit_module *m,
* the nvgpu_mem. Using the zeroth word makes it easy to read
* back.
*/
pd_write(g, &pd, 0, 0x12345678);
nvgpu_pd_write(g, &pd, 0, 0x12345678);
if (0x12345678 !=
nvgpu_mem_rd32(g, pd.mem, pd.mem_offs / sizeof(u32))) {