Messages in this thread | | | From | John Stultz <> | Date | Wed, 6 Mar 2019 09:01:07 -0800 | Subject | Re: [RFC][PATCH 5/5 v2] kselftests: Add dma-heap test |
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On Wed, Mar 6, 2019 at 8:14 AM Benjamin Gaignard <benjamin.gaignard@linaro.org> wrote: > Le mar. 5 mars 2019 à 21:54, John Stultz <john.stultz@linaro.org> a écrit : > > + > > + printf("Allocating 1 MEG\n"); > > + ret = dmabuf_heap_alloc(heap_fd, ONE_MEG, 0, &dmabuf_fd); > > + if (ret) > > + goto out; > > + > > + /* DO SOMETHING WITH THE DMABUF HERE? */ > > You can do a call to mmap and write a pattern in the buffer.
Yea. I can also do some invalid allocations to make sure things fail properly.
But I was talking a bit w/ Sumit about the lack of any general dmabuf tests, and am curious if we need to have a importer device driver that can validate its a real dmabuf and exercise more of the dmabuf ops.
thanks -john
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