struct ep_device;
-/* For SS devices */
-/**
- * struct usb_host_ss_ep_comp - Valid for SuperSpeed devices only
- * @desc: endpoint companion descriptor, wMaxPacketSize in native byteorder
- * @extra: descriptors following this endpoint companion descriptor
- * @extralen: how many bytes of "extra" are valid
- */
-struct usb_host_ss_ep_comp {
- struct usb_ss_ep_comp_descriptor desc;
- unsigned char *extra; /* Extra descriptors */
- int extralen;
-};
-
/**
* struct usb_host_endpoint - host-side endpoint descriptor and queue
* @desc: descriptor for this endpoint, wMaxPacketSize in native byteorder
+ * @ss_ep_comp: SuperSpeed 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
* @ep_dev: ep_device for sysfs info
- * @ss_ep_comp: companion descriptor information for this endpoint
* @extra: descriptors following this endpoint in the configuration
* @extralen: how many bytes of "extra" are valid
* @enabled: URBs may be submitted to this endpoint
* descriptor within an active interface in a given USB configuration.
*/
struct usb_host_endpoint {
- struct usb_endpoint_descriptor desc;
+ struct usb_endpoint_descriptor desc;
+ struct usb_ss_ep_comp_descriptor ss_ep_comp;
struct list_head urb_list;
void *hcpriv;
- struct ep_device *ep_dev; /* For sysfs info */
- struct usb_host_ss_ep_comp *ss_ep_comp; /* For SS devices */
+ struct ep_device *ep_dev; /* For sysfs info */
unsigned char *extra; /* Extra descriptors */
int extralen;
/**
* struct usb_interface - what usb device drivers talk to
* @altsetting: array of interface structures, one for each alternate
- * setting that may be selected. Each one includes a set of
- * endpoint configurations. They will be in no particular order.
+ * setting that may be selected. Each one includes a set of
+ * endpoint configurations. They will be in no particular order.
* @cur_altsetting: the current altsetting.
* @num_altsetting: number of altsettings defined.
* @intf_assoc: interface association descriptor
struct work_struct reset_ws; /* for resets in atomic context */
};
#define to_usb_interface(d) container_of(d, struct usb_interface, dev)
-#define interface_to_usbdev(intf) \
- container_of(intf->dev.parent, struct usb_device, dev)
static inline void *usb_get_intfdata(struct usb_interface *intf)
{
/* this maximum is arbitrary */
#define USB_MAXINTERFACES 32
-#define USB_MAXIADS USB_MAXINTERFACES/2
+#define USB_MAXIADS (USB_MAXINTERFACES/2)
/**
* struct usb_interface_cache - long-term representation of a device interface
* @connect_time: time device was first connected
* @do_remote_wakeup: remote wakeup should be enabled
* @reset_resume: needs reset instead of resume
- * @autosuspend_disabled: autosuspend disabled by the user
* @wusb_dev: if this is a Wireless USB device, link to the WUSB
* specific data for the device.
* @slot_id: Slot ID assigned by xHCI
*/
struct usb_device {
int devnum;
- char devpath [16];
+ char devpath[16];
u32 route;
enum usb_device_state state;
enum usb_device_speed speed;
unsigned persist_enabled:1;
unsigned have_langid:1;
unsigned authorized:1;
- unsigned authenticated:1;
+ unsigned authenticated:1;
unsigned wusb:1;
int string_langid;
unsigned do_remote_wakeup:1;
unsigned reset_resume:1;
- unsigned autosuspend_disabled:1;
#endif
struct wusb_dev *wusb_dev;
int slot_id;
};
#define to_usb_device(d) container_of(d, struct usb_device, dev)
+static inline struct usb_device *interface_to_usbdev(struct usb_interface *intf)
+{
+ return to_usb_device(intf->dev.parent);
+}
+
extern struct usb_device *usb_get_dev(struct usb_device *dev);
extern void usb_put_dev(struct usb_device *dev);
extern int usb_reset_device(struct usb_device *dev);
extern void usb_queue_reset_device(struct usb_interface *dev);
-extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
/* USB autosuspend and autoresume */
#ifdef CONFIG_USB_SUSPEND
-extern int usb_enable_autosuspend(struct usb_device *udev);
-extern int usb_disable_autosuspend(struct usb_device *udev);
+extern void usb_enable_autosuspend(struct usb_device *udev);
+extern void usb_disable_autosuspend(struct usb_device *udev);
extern int usb_autopm_get_interface(struct usb_interface *intf);
extern void usb_autopm_put_interface(struct usb_interface *intf);
/* for drivers using iso endpoints */
extern int usb_get_current_frame_number(struct usb_device *usb_dev);
+/* Sets up a group of bulk endpoints to support multiple stream IDs. */
+extern int usb_alloc_streams(struct usb_interface *interface,
+ struct usb_host_endpoint **eps, unsigned int num_eps,
+ unsigned int num_streams, gfp_t mem_flags);
+
+/* Reverts a group of bulk endpoints back to not using stream IDs. */
+extern void usb_free_streams(struct usb_interface *interface,
+ struct usb_host_endpoint **eps, unsigned int num_eps,
+ gfp_t mem_flags);
+
/* used these for multi-interface device registration */
extern int usb_driver_claim_interface(struct usb_driver *driver,
struct usb_interface *iface, void *priv);
* This macro is used to create a struct usb_device_id that matches a
* specific device.
*/
-#define USB_DEVICE(vend,prod) \
+#define USB_DEVICE(vend, prod) \
.match_flags = USB_DEVICE_ID_MATCH_DEVICE, \
.idVendor = (vend), \
.idProduct = (prod)
#define URB_ISO_ASAP 0x0002 /* iso-only, urb->start_frame
* ignored */
#define URB_NO_TRANSFER_DMA_MAP 0x0004 /* urb->transfer_dma valid on submit */
-#define URB_NO_SETUP_DMA_MAP 0x0008 /* urb->setup_dma valid on submit */
#define URB_NO_FSBR 0x0020 /* UHCI-specific */
#define URB_ZERO_PACKET 0x0040 /* Finish bulk OUT with short packet */
#define URB_NO_INTERRUPT 0x0080 /* HINT: no non-error interrupt
* needed */
#define URB_FREE_BUFFER 0x0100 /* Free transfer buffer with the URB */
+/* The following flags are used internally by usbcore and HCDs */
#define URB_DIR_IN 0x0200 /* Transfer from device to host */
#define URB_DIR_OUT 0
#define URB_DIR_MASK URB_DIR_IN
+#define URB_DMA_MAP_SINGLE 0x00010000 /* Non-scatter-gather mapping */
+#define URB_DMA_MAP_PAGE 0x00020000 /* HCD-unsupported S-G */
+#define URB_DMA_MAP_SG 0x00040000 /* HCD-supported S-G */
+#define URB_MAP_LOCAL 0x00080000 /* HCD-local-memory mapping */
+#define URB_SETUP_MAP_SINGLE 0x00100000 /* Setup packet DMA mapped */
+#define URB_SETUP_MAP_LOCAL 0x00200000 /* HCD-local setup packet */
+#define URB_DMA_SG_COMBINED 0x00400000 /* S-G entries were combined */
+
struct usb_iso_packet_descriptor {
unsigned int offset;
unsigned int length; /* expected length */
* @setup_packet: Only used for control transfers, this points to eight bytes
* of setup data. Control transfers always start by sending this data
* to the device. Then transfer_buffer is read or written, if needed.
- * @setup_dma: For control transfers with URB_NO_SETUP_DMA_MAP set, the
- * device driver has provided this DMA address for the setup packet.
- * The host controller driver should use this in preference to
- * setup_packet, but the HCD may chose to ignore the address if it must
- * copy the setup packet into internal structures. Therefore, setup_packet
- * must always point to a valid buffer.
+ * @setup_dma: DMA pointer for the setup packet. The caller must not use
+ * this field; setup_packet must point to a valid buffer.
* @start_frame: Returns the initial frame for isochronous transfers.
* @number_of_packets: Lists the number of ISO transfer buffers.
* @interval: Specifies the polling interval for interrupt or isochronous
* bounce buffer or talking to an IOMMU),
* although they're cheap on commodity x86 and ppc hardware.
*
- * Alternatively, drivers may pass the URB_NO_xxx_DMA_MAP transfer flags,
- * which tell the host controller driver that no such mapping is needed since
+ * Alternatively, drivers may pass the URB_NO_TRANSFER_DMA_MAP transfer flag,
+ * which tells the host controller driver that no such mapping is needed for
+ * the transfer_buffer since
* the device driver is DMA-aware. For example, a device driver might
* allocate a DMA buffer with usb_alloc_coherent() or call usb_buffer_map().
- * When these transfer flags are provided, host controller drivers will
- * attempt to use the dma addresses found in the transfer_dma and/or
- * setup_dma fields rather than determining a dma address themselves.
+ * When this transfer flag is provided, host controller drivers will
+ * attempt to use the dma address found in the transfer_dma
+ * field rather than determining a dma address themselves.
*
* Note that transfer_buffer must still be set if the controller
* does not support DMA (as indicated by bus.uses_dma) and when talking
* should always terminate with a short packet, even if it means adding an
* extra zero length packet.
*
- * Control URBs must provide a setup_packet. The setup_packet and
- * transfer_buffer may each be mapped for DMA or not, independently of
- * the other. The transfer_flags bits URB_NO_TRANSFER_DMA_MAP and
- * URB_NO_SETUP_DMA_MAP indicate which buffers have already been mapped.
- * URB_NO_SETUP_DMA_MAP is ignored for non-control URBs.
+ * Control URBs must provide a valid pointer in the setup_packet field.
+ * Unlike the transfer_buffer, the setup_packet may not be mapped for DMA
+ * beforehand.
*
* Interrupt URBs must provide an interval, saying how often (in milliseconds
* or, for highspeed devices, 125 microsecond units)
* current owner */
struct list_head anchor_list; /* the URB may be anchored */
struct usb_anchor *anchor;
- struct usb_device *dev; /* (in) pointer to associated device */
+ struct usb_device *dev; /* (in) pointer to associated device */
struct usb_host_endpoint *ep; /* (internal) pointer to endpoint */
unsigned int pipe; /* (in) pipe information */
+ unsigned int stream_id; /* (in) stream ID */
int status; /* (return) non-ISO status */
unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
void *transfer_buffer; /* (in) associated data buffer */
dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
- struct usb_sg_request *sg; /* (in) scatter gather buffer list */
+ struct scatterlist *sg; /* (in) scatter gather buffer list */
int num_sgs; /* (in) number of entries in the sg list */
u32 transfer_buffer_length; /* (in) data buffer length */
u32 actual_length; /* (return) actual transfer length */
void usb_free_coherent(struct usb_device *dev, size_t size,
void *addr, dma_addr_t dma);
-/* Compatible macros while we switch over */
-static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size,
- gfp_t mem_flags, dma_addr_t *dma)
-{
- return usb_alloc_coherent(dev, size, mem_flags, dma);
-}
-static inline void usb_buffer_free(struct usb_device *dev, size_t size,
- void *addr, dma_addr_t dma)
-{
- return usb_free_coherent(dev, size, addr, dma);
-}
-
#if 0
struct urb *usb_buffer_map(struct urb *urb);
void usb_buffer_dmasync(struct urb *urb);
struct usb_device *dev;
int pipe;
- struct scatterlist *sg;
- int nents;
int entries;
struct urb **urbs;
}
/* Create various pipes... */
-#define usb_sndctrlpipe(dev,endpoint) \
+#define usb_sndctrlpipe(dev, endpoint) \
((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint))
-#define usb_rcvctrlpipe(dev,endpoint) \
+#define usb_rcvctrlpipe(dev, endpoint) \
((PIPE_CONTROL << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
-#define usb_sndisocpipe(dev,endpoint) \
+#define usb_sndisocpipe(dev, endpoint) \
((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev, endpoint))
-#define usb_rcvisocpipe(dev,endpoint) \
+#define usb_rcvisocpipe(dev, endpoint) \
((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
-#define usb_sndbulkpipe(dev,endpoint) \
+#define usb_sndbulkpipe(dev, endpoint) \
((PIPE_BULK << 30) | __create_pipe(dev, endpoint))
-#define usb_rcvbulkpipe(dev,endpoint) \
+#define usb_rcvbulkpipe(dev, endpoint) \
((PIPE_BULK << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
-#define usb_sndintpipe(dev,endpoint) \
+#define usb_sndintpipe(dev, endpoint) \
((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint))
-#define usb_rcvintpipe(dev,endpoint) \
+#define usb_rcvintpipe(dev, endpoint) \
((PIPE_INTERRUPT << 30) | __create_pipe(dev, endpoint) | USB_DIR_IN)
+static inline struct usb_host_endpoint *
+usb_pipe_endpoint(struct usb_device *dev, unsigned int pipe)
+{
+ struct usb_host_endpoint **eps;
+ eps = usb_pipein(pipe) ? dev->ep_in : dev->ep_out;
+ return eps[usb_pipeendpoint(pipe)];
+}
+
/*-------------------------------------------------------------------------*/
static inline __u16
projects / cascardo / linux.git / blobdiff