diff options
Diffstat (limited to 'include/linux/usb.h')
| -rw-r--r-- | include/linux/usb.h | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index cfa8005e24f9..9d662c6abb4d 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -51,6 +51,7 @@ struct ep_device; * @desc: descriptor for this endpoint, wMaxPacketSize in native byteorder * @ss_ep_comp: SuperSpeed companion descriptor for this endpoint * @ssp_isoc_ep_comp: SuperSpeedPlus isoc companion descriptor for this endpoint + * @eusb2_isoc_ep_comp: eUSB2 isoc companion descriptor for this endpoint * @urb_list: urbs queued to this endpoint; maintained by usbcore * @hcpriv: for use by HCD; typically holds hardware dma queue head (QH) * with one or more transfer descriptors (TDs) per urb @@ -64,9 +65,10 @@ struct ep_device; * descriptor within an active interface in a given USB configuration. */ struct usb_host_endpoint { - struct usb_endpoint_descriptor desc; - struct usb_ss_ep_comp_descriptor ss_ep_comp; - struct usb_ssp_isoc_ep_comp_descriptor ssp_isoc_ep_comp; + struct usb_endpoint_descriptor desc; + struct usb_ss_ep_comp_descriptor ss_ep_comp; + struct usb_ssp_isoc_ep_comp_descriptor ssp_isoc_ep_comp; + struct usb_eusb2_isoc_ep_comp_descriptor eusb2_isoc_ep_comp; struct list_head urb_list; void *hcpriv; struct ep_device *ep_dev; /* For sysfs info */ @@ -612,6 +614,7 @@ struct usb3_lpm_parameters { * FIXME -- complete doc * @authenticated: Crypto authentication passed * @tunnel_mode: Connection native or tunneled over USB4 + * @usb4_link: device link to the USB4 host interface * @lpm_capable: device supports LPM * @lpm_devinit_allow: Allow USB3 device initiated LPM, exit latency is in range * @usb2_hw_lpm_capable: device can perform USB2 hardware LPM @@ -722,6 +725,7 @@ struct usb_device { unsigned reset_resume:1; unsigned port_is_suspended:1; enum usb_link_tunnel_mode tunnel_mode; + struct device_link *usb4_link; int slot_id; struct usb2_lpm_parameters l1_params; @@ -813,10 +817,10 @@ static inline void usb_mark_last_busy(struct usb_device *udev) #else -static inline int usb_enable_autosuspend(struct usb_device *udev) -{ return 0; } -static inline int usb_disable_autosuspend(struct usb_device *udev) -{ return 0; } +static inline void usb_enable_autosuspend(struct usb_device *udev) +{ } +static inline void usb_disable_autosuspend(struct usb_device *udev) +{ } static inline int usb_autopm_get_interface(struct usb_interface *intf) { return 0; } @@ -1451,6 +1455,10 @@ typedef void (*usb_complete_t)(struct urb *); * @sg: scatter gather buffer list, the buffer size of each element in * the list (except the last) must be divisible by the endpoint's * max packet size if no_sg_constraint isn't set in 'struct usb_bus' + * @sgt: used to hold a scatter gather table returned by usb_alloc_noncoherent(), + * which describes the allocated non-coherent and possibly non-contiguous + * memory and is guaranteed to have 1 single DMA mapped segment. The + * allocated memory needs to be freed by usb_free_noncoherent(). * @num_mapped_sgs: (internal) number of mapped sg entries * @num_sgs: number of entries in the sg list * @transfer_buffer_length: How big is transfer_buffer. The transfer may @@ -1617,6 +1625,7 @@ struct urb { void *transfer_buffer; /* (in) associated data buffer */ dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */ struct scatterlist *sg; /* (in) scatter gather buffer list */ + struct sg_table *sgt; /* (in) scatter gather table for noncoherent buffer */ int num_mapped_sgs; /* (internal) mapped sg entries */ int num_sgs; /* (in) number of entries in the sg list */ u32 transfer_buffer_length; /* (in) data buffer length */ @@ -1778,7 +1787,6 @@ extern void usb_block_urb(struct urb *urb); extern void usb_kill_anchored_urbs(struct usb_anchor *anchor); extern void usb_poison_anchored_urbs(struct usb_anchor *anchor); extern void usb_unpoison_anchored_urbs(struct usb_anchor *anchor); -extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor); extern void usb_anchor_suspend_wakeups(struct usb_anchor *anchor); extern void usb_anchor_resume_wakeups(struct usb_anchor *anchor); extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor); @@ -1823,6 +1831,16 @@ void *usb_alloc_coherent(struct usb_device *dev, size_t size, void usb_free_coherent(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma); +enum dma_data_direction; + +void *usb_alloc_noncoherent(struct usb_device *dev, size_t size, + gfp_t mem_flags, dma_addr_t *dma, + enum dma_data_direction dir, + struct sg_table **table); +void usb_free_noncoherent(struct usb_device *dev, size_t size, + void *addr, enum dma_data_direction dir, + struct sg_table *table); + /*-------------------------------------------------------------------* * SYNCHRONOUS CALL SUPPORT * *-------------------------------------------------------------------*/ |