diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index b0b8d0f8791a..b2c1dc5dc0f3 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1347,6 +1347,11 @@ struct xhci_segment { /* private to HCD */ struct xhci_segment *next; dma_addr_t dma; + /* Max packet sized bounce buffer for td-fragmant alignment */ + dma_addr_t bounce_dma; + void *bounce_buf; + unsigned int bounce_offs; + unsigned int bounce_len; }; struct xhci_td { @@ -1356,6 +1361,7 @@ struct xhci_td { struct xhci_segment *start_seg; union xhci_trb *first_trb; union xhci_trb *last_trb; + struct xhci_segment *bounce_seg; /* actual_length of the URB has already been set */ bool urb_length_set; }; @@ -1405,6 +1411,7 @@ struct xhci_ring { unsigned int num_segs; unsigned int num_trbs_free; unsigned int num_trbs_free_temp; + unsigned int bounce_buf_len; enum xhci_ring_type type; bool last_td_was_short; struct radix_tree_root *trb_address_map; @@ -1807,7 +1814,8 @@ void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci, unsigned int ep_index); struct xhci_stream_info *xhci_alloc_stream_info(struct xhci_hcd *xhci, unsigned int num_stream_ctxs, - unsigned int num_streams, gfp_t flags); + unsigned int num_streams, + unsigned int max_packet, gfp_t flags); void xhci_free_stream_info(struct xhci_hcd *xhci, struct xhci_stream_info *stream_info); void xhci_setup_streams_ep_input_ctx(struct xhci_hcd *xhci, |