scsi: mpt3sas: Disable MPI2_FUNCTION_FW_DOWNLOAD for ATTO devices

Disable firmware download for ATTO devices where it is not supported.

Link: https://lore.kernel.org/r/20220805174609.14830-2-bgrove@attotech.com
Co-developed-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Rob Crispo <rcrispo@attotech.com>
Signed-off-by: Bradley Grove <bgrove@attotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 84c87c2..c47da95 100644 (file)
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -948,6 +948,14 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
                break;
        }
        case MPI2_FUNCTION_FW_DOWNLOAD:
+       {
+               if (ioc->pdev->vendor == MPI2_MFGPAGE_VENDORID_ATTO) {
+                       ioc_info(ioc, "Firmware download not supported for ATTO HBA.\n");
+                       ret = -EPERM;
+                       break;
+               }
+               fallthrough;
+       }
        case MPI2_FUNCTION_FW_UPLOAD:
        {
                ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma,