Date: Sun, 2 Dec 2007 14:59:08 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 130021 for review Message-ID: <200712021459.lB2Ex8Ym092904@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=130021 Change 130021 by hselasky@hselasky_laptop001 on 2007/12/02 14:58:29 Add new helper function go get virtual buffer given a page cache. Affected files ... .. //depot/projects/usb/src/sys/dev/usb/usb_subr.c#64 edit .. //depot/projects/usb/src/sys/dev/usb/usb_subr.h#65 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/usb_subr.c#64 (text+ko) ==== @@ -1817,6 +1817,15 @@ } /*------------------------------------------------------------------------* + * usbd_get_buffer + *------------------------------------------------------------------------*/ +void * +usbd_get_buffer(struct usbd_page_cache *pc, uint32_t offset) +{ + return (USBD_ADD_BYTES(pc->buffer, offset)); +} + +/*------------------------------------------------------------------------* * usbd_copy_in - copy directly to DMA-able memory *------------------------------------------------------------------------*/ void ==== //depot/projects/usb/src/sys/dev/usb/usb_subr.h#65 (text+ko) ==== @@ -691,6 +691,7 @@ void usbd_set_desc(device_t dev, struct usbd_device *udev); void *usbd_alloc_mbufs(struct malloc_type *type, struct usbd_ifqueue *ifq, uint32_t block_size, uint16_t block_number); void usbd_get_page(struct usbd_page_cache *cache, uint32_t offset, struct usbd_page_search *res); +void *usbd_get_buffer(struct usbd_page_cache *pc, uint32_t offset); void usbd_copy_in(struct usbd_page_cache *cache, uint32_t offset, const void *ptr, uint32_t len); void usbd_m_copy_in(struct usbd_page_cache *cache, uint32_t dst_offset, struct mbuf *m, uint32_t src_offset, uint32_t src_len); int usbd_uiomove(struct usbd_page_cache *pc, struct uio *uio, uint32_t pc_offset, uint32_t len);help
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