diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index c13554e82f3d..f970a842ab23 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -1047,6 +1047,7 @@ typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc); * @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands * @thresh_hold: Max number of reply descriptors processed * before updating Host Index + * @drv_support_bitmap: driver's supported feature bit map * @scsi_io_cb_idx: shost generated commands * @tm_cb_idx: task management commands * @scsih_cb_idx: scsih internal commands @@ -1230,6 +1231,7 @@ struct MPT3SAS_ADAPTER { bool msix_load_balance; u16 thresh_hold; u8 high_iops_queues; + u32 drv_support_bitmap; /* internal commands, callback index */ u8 scsi_io_cb_idx; @@ -1454,6 +1456,8 @@ struct MPT3SAS_ADAPTER { GET_MSIX_INDEX get_msix_index_for_smlio; }; +#define MPT_DRV_SUPPORT_BITMAP_MEMMOVE 0x00000001 + typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index d766ae71a61d..da29005d72bd 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -3382,6 +3382,24 @@ static DEVICE_ATTR_RW(diag_trigger_mpi); /*****************************************/ +/** + * drv_support_bitmap_show - driver supported feature bitmap + * @cdev - pointer to embedded class device + * @buf - the buffer returned + * + * A sysfs 'read-only' shost attribute. + */ +static ssize_t +drv_support_bitmap_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + + return snprintf(buf, PAGE_SIZE, "0x%08x\n", ioc->drv_support_bitmap); +} +static DEVICE_ATTR_RO(drv_support_bitmap); + struct device_attribute *mpt3sas_host_attrs[] = { &dev_attr_version_fw, &dev_attr_version_bios, @@ -3407,6 +3425,7 @@ struct device_attribute *mpt3sas_host_attrs[] = { &dev_attr_diag_trigger_event, &dev_attr_diag_trigger_scsi, &dev_attr_diag_trigger_mpi, + &dev_attr_drv_support_bitmap, &dev_attr_BRM_status, NULL, }; diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 91e9a91f8df2..e6d952722313 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -10500,6 +10500,10 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; ioc->logging_level = logging_level; ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; + /* + * Enable MEMORY MOVE support flag. + */ + ioc->drv_support_bitmap |= MPT_DRV_SUPPORT_BITMAP_MEMMOVE; /* misc semaphores and spin locks */ mutex_init(&ioc->reset_in_progress_mutex); /* initializing pci_access_mutex lock */