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[Qemu-devel] [PATCH RFC v3 0/5] QEMU ATAPI-SCSI bridge GSoC project


From: Alexander Bezzubikov
Subject: [Qemu-devel] [PATCH RFC v3 0/5] QEMU ATAPI-SCSI bridge GSoC project
Date: Wed, 19 Aug 2015 13:57:18 +0300

This is my QEMU Google Summer of Code project.
Here I introduce new device - ATAPI-SCSI bridge.
Its purpose is to unify IDE ATAPI CD-ROM emulation
with SCSI CD-ROM emulation to reduce code duplication and squash bugs.
It's purpose is simple - it just forwards ATAPI commands
to SCSI side for parsing and execution.

Example of using:
qemu-system-x86_64 \
        -drive if=none,file=<filename>,id=cdrom \
        -drive if=none,id=fake \
        -device ide-bridge,id=bridge,drive=fake \
        -device scsi-cd,drive=cdrom,bus=bridge.0 \
        -hda diskimage \
        -m 1024

Alexander Bezzubikov (5):
  ide: ATAPI-SCSI bridge TypeInfo and init function created
  scsi: SCSIDiskReq declaration moved to header
  ide: necessary checks corrected to treat ATAPI-SCSI bridge as CDROM
  ATAPI-SCSI bridge functions created an can be used by bridge
  ide: ATAPI-SCSI bridge transfer is treated as PIO

 hw/ide/Makefile.objs   |   2 +-
 hw/ide/atapi.c         |  20 ++++++++-
 hw/ide/bridge.c        | 114 +++++++++++++++++++++++++++++++++++++++++++++++++
 hw/ide/bridge.h        |  10 +++++
 hw/ide/core.c          |  28 +++++++-----
 hw/ide/internal.h      |   6 ++-
 hw/ide/qdev.c          |  43 ++++++++++++++++++-
 hw/scsi/scsi-disk.c    |  55 ++++++++++++++++++------
 include/hw/scsi/scsi.h |  16 +++++++
 9 files changed, 267 insertions(+), 27 deletions(-)
 create mode 100644 hw/ide/bridge.c
 create mode 100644 hw/ide/bridge.h

-- 
2.1.4




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