/* * Scsi Host Layer for MPT (Message Passing Technology) based controllers * * Copyright (C) 2012-2014 LSI Corporation * Copyright (C) 2013-2015 Avago Technologies * (mailto: [email protected]) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * NO WARRANTY * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is * solely responsible for determining the appropriateness of using and * distributing the Program and assumes all risks associated with its * exercise of rights under this Agreement, including but not limited to * the risks and costs of program errors, damage to or loss of data, * programs or equipment, and unavailability or interruption of operations. * DISCLAIMER OF LIABILITY * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES * You should have received a copy of the GNU General Public License * along with this program. */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/errno.h> #include <linux/types.h> #include <linux/unaligned.h> #include "mpt3sas_base.h" /** * _warpdrive_disable_ddio - Disable direct I/O for all the volumes * @ioc: per adapter object */ static void _warpdrive_disable_ddio(struct MPT3SAS_ADAPTER *ioc) { … } /** * mpt3sas_get_num_volumes - Get number of volumes in the ioc * @ioc: per adapter object */ u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc) { … } /** * mpt3sas_init_warpdrive_properties - Set properties for warpdrive direct I/O. * @ioc: per adapter object * @raid_device: the raid_device object */ void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc, struct _raid_device *raid_device) { … } /** * mpt3sas_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O * @ioc: per adapter object * @scmd: pointer to scsi command object * @raid_device: pointer to raid device data structure * @mpi_request: pointer to the SCSI_IO reqest message frame */ void mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, struct _raid_device *raid_device, Mpi25SCSIIORequest_t *mpi_request) { … }
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