This series of patches allows to connect real SCSI device to the virtual
SCSI controller of Qemu using the SCSI Generic interface (/dev/sg)
for instance:
qemu -hda my_disk.qcow2 -drive file=/dev/sg3,if=scsi
[PATCH 1/3] SG support (Synchronous I/O)
This patch allows to connect the virtual SCSI interface of Qemu
to a real SCSI device of the host. it uses synchronous SCSI I/O.
[PATCH 2/3] SG support (Asynchronous Read/Write)
This patch modifies scsi_read_data() and scsi_write_data() to use
asynchronous I/O.
[PATCH 3/3] SG support (Asynchronous Send Command)
This patch modifies scsi_send_command() to use asynchronous I/O .
Laurent
