I got Solaris 11.2 working on my Asrock C2550d4i board.

My m1015 pcie sas-card did not show disks using the format-command. It is flashed into IT mode. However, using scanpci it was shown as:

LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon]

I was able to connect 7 disks to the onboard sata-connectors:

Searching for disks...done


AVAILABLE DISK SELECTIONS:
       0. c2t0d0
          /pci@0,0/pci1849,1f32@18/disk@0,0
       1. c2t1d0
          /pci@0,0/pci1849,1f32@18/disk@1,0
       2. c4t0d0
          /pci@0,0/pci1849,1f22@17/disk@0,0
       3. c4t1d0
          /pci@0,0/pci1849,1f22@17/disk@1,0
       4. c4t2d0
          /pci@0,0/pci1849,1f22@17/disk@2,0
       5. c4t3d0
          /pci@0,0/pci1849,1f22@17/disk@3,0
       6. c5t0d0
          /pci@0,0/pci8086,1f12@3/pci10b5,8608@0/pci10b5,8608@1/pci1849,9172@0/disk@0,0

Zfs scrubbing pefromance was not limited by the CPU. I got about 550MBps from the above setup of 3 pools.