Re: patch to shift memory allocations to usb_alloc_urb ()

Am Montag, 2. Juli 2007 schrieb Hans Petter Selasky:
> Hi Oliver!
> 
> What you're trying to do is what the HPS USB stack for FreeBSD has been doing 
> for a while. See for example:
> 
> http://www.turbocat.net/~hselasky/isdn4bsd/sources/src/sys/dev/usb/ohci.c
> 
> Look at the function:
> 
> static usbd_status
> ohci_xfer_setup(struct usbd_device *udev,
>                 u_int8_t iface_index,
>                 struct usbd_xfer **pxfer,
>                 const struct usbd_config *setup_start,
>                 const struct usbd_config *setup_end)
> 
> Maybe you want to take your approach one step further and allow allocation of 
> multiple "URB" structures in the same go ?

This API looks too complicated for my taste.
This looks like sg support is native to BSD's version of an URB.

	Regards
		Oliver

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