1.\" 2.\" This file and its contents are supplied under the terms of the 3.\" Common Development and Distribution License ("CDDL"), version 1.0. 4.\" You may only use this file in accordance with the terms of version 5.\" 1.0 of the CDDL. 6.\" 7.\" A full copy of the text of the CDDL should have accompanied this 8.\" source. A copy of the CDDL is also available via the Internet at 9.\" http://www.illumos.org/license/CDDL. 10.\" 11.\" 12.\" Copyright 2023 RackTop Systems, Inc. 13.\" 14.Dd May 29, 2023 15.Dt LMRC 4D 16.Os 17.Sh NAME 18.Nm lmrc 19.Nd LSI MegaRAID SAS 3.0 Controller HBA driver 20.Sh DESCRIPTION 21The 22.Nm 23driver works with Broadcom MegaRAID SAS controllers of the Aero and Ventura 24generation, based on the following chipsets: 25.Bl -dash 26.It 27MegaRAID Tri-Mode SAS35xx 28.It 29MegaRAID Tri-Mode SAS34xx 30.It 31MegaRAID 12G SAS/PCIe SAS38xx 32.It 33MegaRAID 12G SAS/PCIe SAS39xx 34.El 35.Pp 36These controllers support SAS, SATA, and NVMe interfaces and expose connected 37devices either as RAID volumes or as JBOD, depending on the particular chipset 38and firmware configuration. 39.sp 40The driver supports the following capabilities: 41.Bl -dash 42.It 43Dynamic hot-plug 44.It 45Honors packet timeouts specified in 46.Xr scsi_pkt 9S 47.It 48Reset of target or logical unit via 49.Xr scsi_reset 9F 50.It 51Abort for individual commands via 52.Xr scsi_abort 9F 53.It 54Command queueing 55.Pq both tagged and untagged 56.El 57.Pp 58The 59.Nm 60driver is based on 61.Xr iport 9 , 62and uses one iport for physical 63.Pq JBOD 64devices, and another iport for logical 65.Pq RAID 66devices. 67Depending on the controller and firmware, even physical 68.Pq JBOD 69devices may appear as 70logical 71.Pq RAID 72devices to the driver. 73.Sh SEE ALSO 74.Xr sd 4D , 75.Xr st 4D , 76.Xr scsi 5 , 77.Xr iport 9 , 78.Xr scsi_abort 9F , 79.Xr scsi_reset 9F , 80.Xr scsi_pkt 9S 81.Sh BUGS 82The driver has not been tested with SATA or NVMe devices, and as such it is not 83known whether it will work properly when SATA or NVMe drives are connected. 84