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[xhci] Update driver to use DMA API

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2020-11-25 11:24:41 +00:00
parent 6e01b74a8a
commit 13a6d17296
3 changed files with 193 additions and 95 deletions
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22
src/include/ipxe/iobuf.h
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@@ -214,6 +214,22 @@ static inline void iob_populate ( struct io_buffer *iobuf,
(iobuf) = NULL; \
__iobuf; } )
/**
* Map I/O buffer for DMA
*
* @v iobuf I/O buffer
* @v dma DMA device
* @v len Length to map
* @v flags Mapping flags
* @ret rc Return status code
*/
static inline __always_inline int iob_map ( struct io_buffer *iobuf,
struct dma_device *dma,
size_t len, int flags ) {
return dma_map ( dma, &iobuf->map, virt_to_phys ( iobuf->data ),
len, flags );
}
/**
* Map I/O buffer for transmit DMA
*
@@ -223,8 +239,7 @@ static inline void iob_populate ( struct io_buffer *iobuf,
*/
static inline __always_inline int iob_map_tx ( struct io_buffer *iobuf,
struct dma_device *dma ) {
return dma_map ( dma, &iobuf->map, virt_to_phys ( iobuf->data ),
iob_len ( iobuf ), DMA_TX );
return iob_map ( iobuf, dma, iob_len ( iobuf ), DMA_TX );
}
/**
@@ -237,8 +252,7 @@ static inline __always_inline int iob_map_tx ( struct io_buffer *iobuf,
static inline __always_inline int iob_map_rx ( struct io_buffer *iobuf,
struct dma_device *dma ) {
assert ( iob_len ( iobuf ) == 0 );
return dma_map ( dma, &iobuf->map, virt_to_phys ( iobuf->data ),
iob_tailroom ( iobuf ), DMA_RX );
return iob_map ( iobuf, dma, iob_tailroom ( iobuf ), DMA_RX );
}
/**