ScsiController.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef SCSICONTROLLER_H
#define SCSICONTROLLER_H

#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/machine/Controller.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/RequestQueue.h"

#define SCSI_REQUEST_READ 1
#define SCSI_REQUEST_WRITE 2
#define SCSI_REQUEST_SYNC 3

class EXPORTED_PUBLIC ScsiController : public Controller, public RequestQueue
{
  public:
    ScsiController(Controller *pDev);
    ScsiController();

    virtual ~ScsiController();

    virtual bool sendCommand(
        size_t nUnit, uintptr_t pCommand, uint8_t nCommandSize,
        uintptr_t pRespBuffer, uint16_t nRespBytes, bool bWrite) = 0;

    virtual uint64_t executeRequest(
        uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4, uint64_t p5,
        uint64_t p6, uint64_t p7, uint64_t p8);

  protected:
    virtual size_t getNumUnits() = 0;

    void searchDisks();
};

#endif