[Qemu-devel] Re: [PATCHv6 00/16] boot order specification

[Gerd Hoffmann]

  Hi,

> > BTW are you actually aware of any option rom with multiple BCVs and, if
> > yes, how those BCVs differ?
>
> Multiple BCVs - yes.  A SCSI card will define a BCV for each attached
> drive.  I don't have a scsi card myself, but the support was added by
> a user who ran into the problem first hand.

FYI: You can test with a virtual card ;)

lsi emulation in recent qemu versions is good enougth that the original 
boot rom runs.  You can fetch it here:

http://www.lsi.com/DistributionSystem/AssetDocument/files/support/ssp/sdms/Bios/lsi_bios.zip

qemu -drive if=scsi,file=$image -option-rom 8xx_64.rom

Gives you a list like this ...

  Press F12 for boot menu.

  Select boot device:

  1. AHCI/0: QEMU HARDDISK ATA-7 Hard-Disk (8192 MiBytes)
  2. #20 ID00 LUN0 QEMU     QEMU HARD
  3. #20 ID01 LUN0 QEMU     QEMU HARD
  4. DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
  5. DVD/CD [AHCI/2: QEMU DVD-ROM ATAPI-4 DVD/CD]
  6. gPXE (PCI 00:03.0)

... where entries 2+3 are created by the scsi rom.

HTH,
  Gerd