FreeBSD/Linux Kernel Cross Reference
sys/riscv/riscv/busdma_machdep.c

     /*-
      * Copyright (c) 1997, 1998 Justin T. Gibbs.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions, and the following disclaimer,
      *    without modification, immediately at the beginning of the file.
     * 2. The name of the author may not be used to endorse or promote products
     *    derived from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD: releng/11.0/sys/riscv/riscv/busdma_machdep.c 295041 2016-01-29 15:12:31Z br $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/malloc.h>
    #include <sys/bus.h>
    #include <sys/kernel.h>
    #include <sys/ktr.h>
    #include <sys/lock.h>
    #include <sys/memdesc.h>
    #include <sys/mutex.h>
    #include <sys/uio.h>
    #include <vm/vm.h>
    #include <vm/vm_extern.h>
    #include <vm/pmap.h>
    
    #include <machine/bus.h>
    
    int
    _bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmamap_t map, vm_paddr_t buf,
        bus_size_t buflen, int flags, bus_dma_segment_t *segs, int *segp)
    {
    
            panic("busdma");
    }
    
    int
    _bus_dmamap_load_ma(bus_dma_tag_t dmat, bus_dmamap_t map, struct vm_page **ma,
        bus_size_t tlen, int ma_offs, int flags, bus_dma_segment_t *segs,
        int *segp)
    {
    
            panic("busdma");
    }
    
    int
    _bus_dmamap_load_buffer(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf,
        bus_size_t buflen, pmap_t pmap, int flags, bus_dma_segment_t *segs,
        int *segp)
    {
    
            panic("busdma");
    }
    
    void
    __bus_dmamap_waitok(bus_dma_tag_t dmat, bus_dmamap_t map,
        struct memdesc *mem, bus_dmamap_callback_t *callback, void *callback_arg)
    {
    
            panic("busdma");
    }
    
    bus_dma_segment_t *
    _bus_dmamap_complete(bus_dma_tag_t dmat, bus_dmamap_t map,
        bus_dma_segment_t *segs, int nsegs, int error)
    {
    
            panic("busdma");
    }
    
    /*
     * Release the mapping held by map.
     */
    void
    _bus_dmamap_unload(bus_dma_tag_t dmat, bus_dmamap_t map)
    {
    
            panic("busdma");
    }
    
    void
    _bus_dmamap_sync(bus_dma_tag_t dmat, bus_dmamap_t map, bus_dmasync_op_t op)
    {
   
           panic("busdma");
   }

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