scsi/megaraid/megaraid_sas_fusion.c

282 	memset(cmd->io_request, 0, MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
964  * cmds are formed in the io_request and sg_frame members of the
1015 		cmd->io_request =
1018 		memset(cmd->io_request, 0,
2059 		 * update "io_request->DataLength" field with actual number of
2302 				if ((le16_to_cpu(cmd->io_request->IoFlags) &
2305 					cmd->io_request->ChainOffset =
2309 					cmd->io_request->ChainOffset = 0;
2311 				cmd->io_request->ChainOffset =
2359 	sgl_chain64 = (struct MPI25_IEEE_SGE_CHAIN64 *)&cmd->io_request->SGL;
2360 	if ((le16_to_cpu(cmd->io_request->IoFlags) &
2375  * @io_request:		IO request
2385 megasas_set_pd_lba(struct MPI2_RAID_SCSI_IO_REQUEST *io_request, u8 cdb_len,
2392 	u8 *cdb = io_request->CDB.CDB32;
2400 		memset(cdb, 0, sizeof(io_request->CDB.CDB32));
2421 		io_request->CDB.EEDP32.PrimaryReferenceTag =
2423 		io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff);
2424 		io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */
2434 			io_request->EEDPFlags = cpu_to_le16(
2442 			io_request->EEDPFlags = cpu_to_le16(
2446 		io_request->Control |= cpu_to_le32((0x4 << 26));
2447 		io_request->EEDPBlockSize = cpu_to_le32(scp->device->sector_size);
2464 			memset(cdb, 0, sizeof(io_request->CDB.CDB32));
2475 			io_request->IoFlags = cpu_to_le16(10); /* Specify 10-byte cdb */
2500 			memset(cdb, 0, sizeof(io_request->CDB.CDB32));
2513 			io_request->IoFlags = cpu_to_le16(16); /* Specify 16-byte cdb */
2599 			SET_STREAM_DETECTED(cmd->io_request->RaidContext.raid_context_g35);
2722  * Prepares the io_request and chain elements (sg_frame) for IO
2734 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
2749 	io_request = cmd->io_request;
2750 	rctx = &io_request->RaidContext.raid_context;
2751 	rctx_g35 = &io_request->RaidContext.raid_context_g35;
2817 	io_request->DataLength = cpu_to_le32(scsi_buff_len);
2883 			megasas_set_raidflag_cpu_affinity(fusion, &io_request->RaidContext,
2892 		megasas_set_pd_lba(io_request, scp->cmd_len, &io_info, scp,
2894 		io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
2901 			io_request->IoFlags |= cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
2909 			io_request->IoFlags |=
2942 		io_request->DevHandle = io_info.devHandle;
2945 		memcpy(io_request->LUN, raidLUN, 8);
2968 		io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
2969 		io_request->DevHandle = cpu_to_le16(device_id);
2980  * Prepares the io_request frame for non-rw io cmds for vd.
2986 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
2997 	io_request = cmd->io_request;
3000 	io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
3002 	pRAID_Context = &io_request->RaidContext.raid_context;
3023 		io_request->Function  = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
3024 		io_request->DevHandle = cpu_to_le16(device_id);
3025 		io_request->LUN[1] = scmd->device->lun;
3054 		memcpy(io_request->LUN, raid->LUN, 8);
3057 		io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
3058 		io_request->DevHandle = devHandle;
3069  * Prepares the io_request frame for rw/non-rw io cmds for syspds
3077 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
3094 	io_request = cmd->io_request;
3096 	pRAID_Context = &io_request->RaidContext.raid_context;
3100 	io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
3101 	io_request->LUN[1] = scmd->device->lun;
3120 			io_request->DevHandle =
3123 				io_request->RaidContext.raid_context_g35.routing_flags |=
3125 				io_request->RaidContext.raid_context_g35.nseg_type |=
3127 				io_request->RaidContext.raid_context_g35.nseg_type |=
3141 			io_request->DevHandle = cpu_to_le16(0xFFFF);
3150 			io_request->DevHandle =
3153 			io_request->DevHandle = cpu_to_le16(0xFFFF);
3157 	cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
3163 		io_request->Function  = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
3174 		io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
3181 			io_request->IoFlags |=
3207 	struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request;
3212 	memset(io_request->LUN, 0x0, 8);
3213 	io_request->CDB.EEDP32.PrimaryReferenceTag = 0;
3214 	io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0;
3215 	io_request->EEDPFlags = 0;
3216 	io_request->Control = 0;
3217 	io_request->EEDPBlockSize = 0;
3218 	io_request->ChainOffset = 0;
3219 	io_request->RaidContext.raid_context.raid_flags = 0;
3220 	io_request->RaidContext.raid_context.type = 0;
3221 	io_request->RaidContext.raid_context.nseg = 0;
3223 	memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len);
3228 	io_request->IoFlags = cpu_to_le16(scp->cmd_len);
3269 		set_num_sge(&io_request->RaidContext.raid_context_g35, sge_count);
3270 		cpu_to_le16s(&io_request->RaidContext.raid_context_g35.routing_flags);
3271 		cpu_to_le16s(&io_request->RaidContext.raid_context_g35.nseg_type);
3276 		io_request->RaidContext.raid_context.num_sge = sge_count;
3277 		io_request->RaidContext.raid_context.num_sge_ext =
3281 	io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
3284 		io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_WRITE);
3286 		io_request->Control |= cpu_to_le32(MPI2_SCSIIO_CONTROL_READ);
3288 	io_request->SGLOffset0 =
3291 	io_request->SenseBufferLowAddress =
3293 	io_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
3327 	memcpy(r1_cmd->io_request, cmd->io_request,
3329 	memcpy(r1_cmd->io_request->SGLs, cmd->io_request->SGLs,
3332 	r1_cmd->io_request->SenseBufferLowAddress =
3342 	r1_cmd->io_request->DevHandle = cmd->r1_alt_dev_handle;
3343 	r1_cmd->r1_alt_dev_handle = cmd->io_request->DevHandle;
3344 	cmd->io_request->RaidContext.raid_context_g35.flow_specific.peer_smid =
3346 	r1_cmd->io_request->RaidContext.raid_context_g35.flow_specific.peer_smid =
3352 	r1_cmd->io_request->RaidContext.raid_context_g35.span_arm =
3353 			cmd->io_request->RaidContext.raid_context_g35.span_arm + 1;
3409 	if (cmd->io_request->ChainOffset != 0 &&
3410 	    cmd->io_request->ChainOffset != 0xF)
3412 		       "correct : %x\n", cmd->io_request->ChainOffset);
3463 	rctx_g35 = &cmd->io_request->RaidContext.raid_context_g35;
3471 	data_length = cmd->io_request->DataLength;
3478 		rctx_g35 = &r1_cmd->io_request->RaidContext.raid_context_g35;
3482 			data_length = r1_cmd->io_request->DataLength;
3594 						cmd_fusion->io_request;
3605 						cmd_fusion->io_request;
3914 	io_req = cmd->io_request;
4376 				cmd_fusion->io_request;
4567 	mr_request = (struct MR_TASK_MANAGE_REQUEST *) cmd_fusion->io_request;
5008 				if (cmd_fusion->io_request->Function ==