On Wed, Nov 28, 2018 at 05:50:01PM +0200, Liran Alon wrote: > From: Nikita Leshchenko <nikita.leshche...@oracle.com> > > When mpt-scsi receives a SCSI message, it wraps it in a MPT request > message and writes it's address to an IO port to be added to the > request queue. > > This MPT request is allocated on the stack. Previous to this commit, > the request is aligned to 4 bytes. However, VirtualBox LSI53c1030 > device emulation aligns the request address to 8 bytes. > Therefore, this commit change alignment of request to 8 bytes. > > VirtualBox source code which handles this is at > Devices/Storage/DevLsiLogicSCSI.cpp. lsilogicRegisterWrite() > LSILOGIC_REG_REQUEST_QUEUE handler adds the request to the > queue (pRequestQueueBase). lsilogicR3Worker() reads request from > pRequestQueueBase and aligns it to 8 bytes > (u32RequestMessageFrameDesc & ~0x07).
Thanks. Is this change done to match virtualbox, or because it fixes some type of problem? -Kevin _______________________________________________ SeaBIOS mailing list SeaBIOS@seabios.org https://mail.coreboot.org/mailman/listinfo/seabios