On 02/06/2017 10:59 AM, Shivasharan S wrote:
> Fetch the latest controller OCR capability from FW before
> sending MR_DCMD_CTRL_SHUTDOWN
> When application sends a shutdown DCMD (MR_DCMD_CTRL_SHUTDOWN),
> driver will fetch latest controller information from firmware.
> This is to ensure that driver always has latest OCR capability
> of controller before sending the DCMD.
>
> Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
> ---
> drivers/scsi/megaraid/megaraid_sas_base.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
> index 907b2bf..ac88ad6 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> @@ -6895,6 +6895,13 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
> MFI_FRAME_SGL64 |
> MFI_FRAME_SENSE64));
>
> + if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_SHUTDOWN) {
> + if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) {
> + megasas_return_cmd(instance, cmd);
> + return -1;
> + }
> + }
> +
> if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
> error = megasas_set_crash_dump_params_ioctl(cmd);
> megasas_return_cmd(instance, cmd);
>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxxx +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
