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s390/virtio_ccw: use DMA handle from DMA API

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Change and use ccw_device_dma_zalloc() so it returns a virtual address like
before, which can be used to access data. However also pass a new dma32_t
pointer type handle, which correlates to the returned virtual address.
This pointer is used to directly pass/set the DMA handle as returned by the
DMA API.

Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Halil Pasic 2024-03-07 13:28:08 +01:00 • committed by Heiko Carstens
commit e3e9bda38e
5 changed files with 57 additions and 47 deletions
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