Hi,
On Sat, Oct 8, 2011 at 11:47 PM, Robin H. Johnson <robbat2@xxxxxxxxxx> wrote:
> From: "Robin H. Johnson" <robbat2@xxxxxxxxxx>
>
> In the OCZ RevoDrive3/zDrive R4 series, the "OCZ SuperScale Storage
> Controller" with "Virtualized Controller Architecture 2.0" really seems
> to be a Marvell 88SE9485 part, with OCZ firmware/BIOS.
>
> Developed and tested on OCZ RevoDrive3 120GB [PCI 1b85:1021]
>
> Should work on:
> - OCZ RevoDrive3 (2x SandForce 2281)
> - OCZ RevoDrive3 X2 (4x SandForce 2281)
> - OCZ zDrive R4 CM84 (4x SandForce 2281)
> - OCZ zDrive R4 CM88 (8x SandForce 2281)
> - OCZ zDrive R4 RM84 (4x SandForce 2582)
> - OCZ zDrive R4 RM88 (8x SandForce 2582)
>
> All of this because a friend recently bought a OCZ RevoDrive3 and was
> bitten by the lack of Linux support.
>
> Notes from testing:
> -------------------
> - SMART works.
> - VPD Device Identification is "OCZ-REVODRIVE3"
> - Thin provisioning/TRIM seems to be implemented as WRITE SAME UNMAP,
> with deterministic (non-zero) read after TRIM, but I'm not sure if it
> works 100% in my testing.
> - Some of the tuning in the firmware seems to ensure much better
> performance when in a RAID0 setup than using the two devices
> seperately.
>
> I have not tested booting from the SSD, because all of this was
> developed and tested remotely from the actual hardware.
>
> Signed-off-by: Robin H. Johnson <robbat2@xxxxxxxxxx>
> Thanks-To: Gordon Pritchard <gordp@xxxxxx>
> ---
> drivers/scsi/mvsas/mv_init.c | 10 ++++++++++
> include/linux/pci_ids.h | 2 ++
> 2 files changed, 12 insertions(+), 0 deletions(-)
>
> Tested and cleaned up now :-). Please apply.
>
> diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
> index 4e9af66..b88315a 100644
> --- a/drivers/scsi/mvsas/mv_init.c
> +++ b/drivers/scsi/mvsas/mv_init.c
> @@ -723,6 +723,16 @@ static struct pci_device_id __devinitdata mvs_pci_table[] = {
> .class_mask = 0,
> .driver_data = chip_9485,
> },
> + { PCI_VDEVICE(OCZ, 0x1021), chip_9485}, /* OCZ RevoDrive3 */
> + { PCI_VDEVICE(OCZ, 0x1022), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1040), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1041), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1042), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1043), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1044), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1080), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1083), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
> + { PCI_VDEVICE(OCZ, 0x1084), chip_9485}, /* OCZ RevoDrive3/zDriveR4 (exact model unknown) */
>
> { } /* terminate list */
> };
> diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> index ae96bbe..3fe46e9 100644
> --- a/include/linux/pci_ids.h
> +++ b/include/linux/pci_ids.h
> @@ -2868,3 +2868,5 @@
>
> #define PCI_VENDOR_ID_XEN 0x5853
> #define PCI_DEVICE_ID_XEN_PLATFORM 0x0001
> +
> +#define PCI_VENDOR_ID_OCZ 0x1b85
> --
> 1.7.7
>
Out of curiosity, do you know if the current mvsas driver would
support Marvell 88nv9143 family of chip ?
Thanks,
- Arnaud
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