diff options
Diffstat (limited to 'drivers/thunderbolt/nhi.h')
| -rw-r--r-- | drivers/thunderbolt/nhi.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/thunderbolt/nhi.h b/drivers/thunderbolt/nhi.h index 0e05828983db..4503ddbeccb3 100644 --- a/drivers/thunderbolt/nhi.h +++ b/drivers/thunderbolt/nhi.h @@ -56,6 +56,8 @@ struct tb_nhi { * @irq: MSI-X irq number if the ring uses MSI-X. %0 otherwise. * @vector: MSI-X vector number the ring uses (only set if @irq is > 0) * @flags: Ring specific flags + * @sof_mask: Bit mask used to detect start of frame PDF + * @eof_mask: Bit mask used to detect end of frame PDF */ struct tb_ring { struct mutex lock; @@ -74,10 +76,16 @@ struct tb_ring { int irq; u8 vector; unsigned int flags; + u16 sof_mask; + u16 eof_mask; }; /* Leave ring interrupt enabled on suspend */ #define RING_FLAG_NO_SUSPEND BIT(0) +/* Configure the ring to be in frame mode */ +#define RING_FLAG_FRAME BIT(1) +/* Enable end-to-end flow control */ +#define RING_FLAG_E2E BIT(2) struct ring_frame; typedef void (*ring_cb)(struct tb_ring*, struct ring_frame*, bool canceled); @@ -100,7 +108,7 @@ struct ring_frame { struct tb_ring *ring_alloc_tx(struct tb_nhi *nhi, int hop, int size, unsigned int flags); struct tb_ring *ring_alloc_rx(struct tb_nhi *nhi, int hop, int size, - unsigned int flags); + unsigned int flags, u16 sof_mask, u16 eof_mask); void ring_start(struct tb_ring *ring); void ring_stop(struct tb_ring *ring); void ring_free(struct tb_ring *ring); |