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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 7a9447cb6ea9..dada2fb59261 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -444,6 +444,7 @@ struct xhci_doorbell_array {
/* Endpoint Target - bits 0:7 */
#define EPI_TO_DB(p) (((p) + 1) & 0xff)
+#define STREAM_ID_TO_DB(p) (((p) & 0xffff) << 16)
/**
@@ -714,6 +715,7 @@ struct xhci_virt_ep {
/* The TRB that was last reported in a stopped endpoint ring */
union xhci_trb *stopped_trb;
struct xhci_td *stopped_td;
+ unsigned int stopped_stream;
/* Watchdog timer for stop endpoint command to cancel URBs */
struct timer_list stop_cmd_timer;
int stop_cmds_pending;
@@ -871,6 +873,10 @@ struct xhci_event_cmd {
#define TRB_TO_EP_INDEX(p) ((((p) & (0x1f << 16)) >> 16) - 1)
#define EP_ID_FOR_TRB(p) ((((p) + 1) & 0x1f) << 16)
+/* Set TR Dequeue Pointer command TRB fields */
+#define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16))
+#define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16)
+
/* Port Status Change Event TRB fields */
/* Port ID - bits 31:24 */
@@ -1040,6 +1046,7 @@ struct xhci_ring {
* if we own the TRB (if we are the consumer). See section 4.9.1.
*/
u32 cycle_state;
+ unsigned int stream_id;
};
struct xhci_erst_entry {
@@ -1265,6 +1272,9 @@ void xhci_dbg_ring_ptrs(struct xhci_hcd *xhci, struct xhci_ring *ring);
void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int last_ep);
char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx);
+void xhci_dbg_ep_rings(struct xhci_hcd *xhci,
+ unsigned int slot_id, unsigned int ep_index,
+ struct xhci_virt_ep *ep);
/* xHCI memory management */
void xhci_mem_cleanup(struct xhci_hcd *xhci);
@@ -1302,6 +1312,18 @@ void xhci_setup_streams_ep_input_ctx(struct xhci_hcd *xhci,
void xhci_setup_no_streams_ep_input_ctx(struct xhci_hcd *xhci,
struct xhci_ep_ctx *ep_ctx,
struct xhci_virt_ep *ep);
+struct xhci_ring *xhci_dma_to_transfer_ring(
+ struct xhci_virt_ep *ep,
+ u64 address);
+struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci,
+ struct urb *urb);
+struct xhci_ring *xhci_triad_to_transfer_ring(struct xhci_hcd *xhci,
+ unsigned int slot_id, unsigned int ep_index,
+ unsigned int stream_id);
+struct xhci_ring *xhci_stream_id_to_ring(
+ struct xhci_virt_device *dev,
+ unsigned int ep_index,
+ unsigned int stream_id);
struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
bool allocate_in_ctx, bool allocate_completion,
gfp_t mem_flags);
@@ -1374,9 +1396,11 @@ int xhci_queue_reset_ep(struct xhci_hcd *xhci, int slot_id,
int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id);
void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
unsigned int slot_id, unsigned int ep_index,
- struct xhci_td *cur_td, struct xhci_dequeue_state *state);
+ unsigned int stream_id, struct xhci_td *cur_td,
+ struct xhci_dequeue_state *state);
void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
unsigned int slot_id, unsigned int ep_index,
+ unsigned int stream_id,
struct xhci_dequeue_state *deq_state);
void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
struct usb_device *udev, unsigned int ep_index);