Fail* directories reorganized, Code-cleanup (-> coding-style), Typos+comments fixed.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1321 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
2012-06-08 20:09:43 +00:00
parent d474a5b952
commit 2575604b41
866 changed files with 1848 additions and 1879 deletions
--- a/simulators/bochs/iodev/scsi_device.h
+++ b/simulators/bochs/iodev/scsi_device.h
@ -0,0 +1,106 @@
+/////////////////////////////////////////////////////////////////////////
+// $Id$
+/////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2007  Volker Ruppert
+//
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2 of the License, or (at your option) any later version.
+//
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+
+// SCSI emulation layer ported from the Qemu project
+
+#ifndef BX_IODEV_SCSI_DEVICE_H
+#define BX_IODEV_SCSI_DEVICE_H
+
+typedef void (*scsi_completionfn)(void *opaque, int reason, Bit32u tag,
+                                  Bit32u arg);
+class scsi_device_t;
+class LOWLEVEL_CDROM;
+
+enum scsidev_type {
+  SCSIDEV_TYPE_DISK,
+  SCSIDEV_TYPE_CDROM
+};
+
+enum scsi_reason {
+  SCSI_REASON_DONE,
+  SCSI_REASON_DATA
+};
+
+#define SENSE_NO_SENSE        0
+#define SENSE_NOT_READY       2
+#define SENSE_HARDWARE_ERROR  4
+#define SENSE_ILLEGAL_REQUEST 5
+
+#define STATUS_GOOD            0
+#define STATUS_CHECK_CONDITION 2
+
+#define SCSI_DMA_BUF_SIZE    131072
+#define SCSI_MAX_INQUIRY_LEN 256
+
+typedef struct SCSIRequest {
+  scsi_device_t *dev;
+  Bit32u tag;
+  Bit64u sector;
+  Bit32u sector_count;
+  int buf_len;
+  Bit8u dma_buf[SCSI_DMA_BUF_SIZE];
+  Bit32u status;
+  struct SCSIRequest *next;
+} SCSIRequest;
+
+
+class scsi_device_t : public logfunctions {
+public:
+  scsi_device_t(device_image_t *_hdimage, int _tcq,
+               scsi_completionfn _completion, void *_dev);
+  scsi_device_t(LOWLEVEL_CDROM *_cdrom, int _tcq,
+               scsi_completionfn _completion, void *_dev);
+  virtual ~scsi_device_t(void);
+
+  void register_state(bx_list_c *parent, const char *name);
+  Bit32s scsi_send_command(Bit32u tag, Bit8u *buf, int lun);
+  void scsi_command_complete(SCSIRequest *r, int status, int sense);
+  void scsi_cancel_io(Bit32u tag);
+  void scsi_read_complete(void *req, int ret);
+  void scsi_read_data(Bit32u tag);
+  void scsi_write_complete(void *req, int ret);
+  int scsi_write_data(Bit32u tag);
+  Bit8u* scsi_get_buf(Bit32u tag);
+  const char *get_serial_number() {return drive_serial_str;}
+  void set_inserted(bx_bool value) {inserted = value;}
+  bx_bool get_inserted() {return inserted;}
+
+protected:
+  SCSIRequest* scsi_new_request(Bit32u tag);
+  void scsi_remove_request(SCSIRequest *r);
+  SCSIRequest *scsi_find_request(Bit32u tag);
+
+private:
+  enum scsidev_type type;
+  device_image_t *hdimage;
+  LOWLEVEL_CDROM *cdrom;
+  SCSIRequest *requests;
+  int cluster_size;
+  Bit64u max_lba;
+  int sense;
+  int tcq;
+  scsi_completionfn completion;
+  void *dev;
+  bx_bool locked;
+  bx_bool inserted;
+  char drive_serial_str[21];
+};
+
+#endif