generic/scsi_periph/io.cpp

37 	scsi_cmd_prevent_allow cmd;
41 	memset(&cmd, 0, sizeof(cmd));
42 	cmd.opcode = SCSI_OP_PREVENT_ALLOW;
43 	cmd.prevent = prevent;
45 	return periph_simple_exec(device, (uint8 *)&cmd, sizeof(cmd), NULL, 0,
52 raw_command(scsi_periph_device_info *device, raw_device_command *cmd)
64 	if (cmd->flags & B_RAW_DEVICE_DATA_IN)
66 	else if (cmd->data_length)
71 	request->data = (uint8*)cmd->data;
73 	request->data_length = cmd->data_length;
75 	request->timeout = cmd->timeout;
77 	memcpy(request->cdb, cmd->command, SCSI_MAX_CDB_SIZE);
78 	request->cdb_length = cmd->command_length;
85 	cmd->cam_status = request->subsys_status;
86 	cmd->scsi_status = request->device_status;
88 	if ((request->subsys_status & SCSI_AUTOSNS_VALID) != 0 && cmd->sense_data) {
89 		memcpy(cmd->sense_data, request->sense, min_c(cmd->sense_data_length,
93 	if ((cmd->flags & B_RAW_DEVICE_REPORT_RESIDUAL) != 0) {
97 		cmd->data_length = cmd->data_length - request->data_resid;
98 		cmd->sense_data_length = SCSI_MAX_SENSE_SIZE - request->sense_resid;
168 			scsi_cmd_rw_6 *cmd = (scsi_cmd_rw_6 *)request->cdb;
172 			memset(cmd, 0, sizeof(*cmd));
173 			cmd->opcode = isWrite ? SCSI_OP_WRITE_6 : SCSI_OP_READ_6;
174 			cmd->high_lba = (pos >> 16) & 0x1f;
175 			cmd->mid_lba = (pos >> 8) & 0xff;
176 			cmd->low_lba = pos & 0xff;
177 			cmd->length = numBlocks;
179 			request->cdb_length = sizeof(*cmd);
181 			scsi_cmd_rw_10 *cmd = (scsi_cmd_rw_10 *)request->cdb;
185 			memset(cmd, 0, sizeof(*cmd));
186 			cmd->opcode = isWrite ? SCSI_OP_WRITE_10 : SCSI_OP_READ_10;
187 			cmd->relative_address = 0;
188 			cmd->force_unit_access = 0;
189 			cmd->disable_page_out = 0;
190 			cmd->lba = B_HOST_TO_BENDIAN_INT32(pos);
191 			cmd->length = B_HOST_TO_BENDIAN_INT16(numBlocks);
193 			request->cdb_length = sizeof(*cmd);
195 			scsi_cmd_rw_12 *cmd = (scsi_cmd_rw_12 *)request->cdb;
197 			memset(cmd, 0, sizeof(*cmd));
198 			cmd->opcode = isWrite ? SCSI_OP_WRITE_12 : SCSI_OP_READ_12;
199 			cmd->relative_address = 0;
200 			cmd->force_unit_access = 0;
201 			cmd->disable_page_out = 0;
202 			cmd->lba = B_HOST_TO_BENDIAN_INT32(pos);
203 			cmd->length = B_HOST_TO_BENDIAN_INT32(numBlocks);
205 			request->cdb_length = sizeof(*cmd);
207 			scsi_cmd_rw_16 *cmd = (scsi_cmd_rw_16 *)request->cdb;
209 			memset(cmd, 0, sizeof(*cmd));
210 			cmd->opcode = isWrite ? SCSI_OP_WRITE_16 : SCSI_OP_READ_16;
211 			cmd->force_unit_access_non_volatile = 0;
212 			cmd->force_unit_access = 0;
213 			cmd->disable_page_out = 0;
214 			cmd->lba = B_HOST_TO_BENDIAN_INT64(offset);
215 			cmd->length = B_HOST_TO_BENDIAN_INT32(numBlocks);
217 			request->cdb_length = sizeof(*cmd);