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lib: test_hmm add module param for zone device type

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In order to configure device coherent in test_hmm, two module parameters
should be passed, which correspond to the SP start address of each device
(2) spm_addr_dev0 & spm_addr_dev1.  If no parameters are passed, private
device type is configured.

Link: https://lkml.kernel.org/r/20220715150521.18165-10-alex.sierra@amd.com
Signed-off-by: Alex Sierra <alex.sierra@amd.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Alistair Poppple <apopple@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Alex Sierra
2022-07-15 10:05:16 -05:00
committed by akpm
parent 188f48268d
commit 25b80162d5
2 changed files with 53 additions and 21 deletions
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1
lib/test_hmm_uapi.h
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@@ -66,6 +66,7 @@ enum {
enum {
/* 0 is reserved to catch uninitialized type fields */
HMM_DMIRROR_MEMORY_DEVICE_PRIVATE = 1,
HMM_DMIRROR_MEMORY_DEVICE_COHERENT,
};
#endif /* _LIB_TEST_HMM_UAPI_H */