target_core_cdb.c revision 5951146dea1ac8ff2f177477c907084d63913cad
1c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* 2c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * CDB emulation for non-READ/WRITE commands. 3c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 4c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Copyright (c) 2002, 2003, 2004, 2005 PyX Technologies, Inc. 5c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Copyright (c) 2005, 2006, 2007 SBE, Inc. 6c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Copyright (c) 2007-2010 Rising Tide Systems 7c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Copyright (c) 2008-2010 Linux-iSCSI.org 8c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 9c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Nicholas A. Bellinger <nab@kernel.org> 10c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 11c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * This program is free software; you can redistribute it and/or modify 12c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * it under the terms of the GNU General Public License as published by 13c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * the Free Software Foundation; either version 2 of the License, or 14c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * (at your option) any later version. 15c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 16c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * This program is distributed in the hope that it will be useful, 17c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * but WITHOUT ANY WARRANTY; without even the implied warranty of 18c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * GNU General Public License for more details. 20c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 21c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * You should have received a copy of the GNU General Public License 22c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * along with this program; if not, write to the Free Software 23c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 24c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 25c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 26c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include <asm/unaligned.h> 27c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include <scsi/scsi.h> 28c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 29c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include <target/target_core_base.h> 30c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include <target/target_core_transport.h> 31c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include <target/target_core_fabric_ops.h> 32c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger#include "target_core_ua.h" 33c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 34c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic void 35c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_fill_alua_data(struct se_port *port, unsigned char *buf) 36c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 37c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_tg_pt_gp *tg_pt_gp; 38c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem; 39c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 40c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 41c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set SCCS for MAINTENANCE_IN + REPORT_TARGET_PORT_GROUPS. 42c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 43c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] = 0x80; 44c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 45c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 46c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set TPGS field for explict and/or implict ALUA access type 47c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * and opteration. 48c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 49c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * See spc4r17 section 6.4.2 Table 135 50c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 51c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!port) 52c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return; 53c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem; 54c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!tg_pt_gp_mem) 55c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return; 56c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 57c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); 58c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tg_pt_gp = tg_pt_gp_mem->tg_pt_gp; 59c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (tg_pt_gp) 60c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] |= tg_pt_gp->tg_pt_gp_alua_access_type; 61c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); 62c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 63c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 64c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 65c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_inquiry_std(struct se_cmd *cmd) 66c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 67e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover struct se_lun *lun = cmd->se_lun; 685951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 695951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf; 70c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 71c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 72c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Make sure we at least have 6 bytes of INQUIRY response 73c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * payload going back for EVPD=0 74c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 75c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 6) { 76c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "SCSI Inquiry payload length: %u" 77c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " too small for EVPD=0\n", cmd->data_length); 78e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return -EINVAL; 79c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 80c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 81c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = dev->transport->get_device_type(dev); 82c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (buf[0] == TYPE_TAPE) 83c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0x80; 84c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = dev->transport->get_device_rev(dev); 85c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 86c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 87c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Enable SCCS and TPGS fields for Emulated ALUA 88c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 89e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) 90c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger target_fill_alua_data(lun->lun_sep, buf); 91c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 92c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 8) { 93c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = 1; /* Set additional length to 1 */ 94c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 95c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 96c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 97c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x32; /* Sync=1 and CmdQue=1 */ 98c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 99c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 100c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Do not include vendor, product, reversion info in INQUIRY 101c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * response payload for cdbs with a small allocation length. 102c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 103c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 36) { 104c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = 3; /* Set additional length to 3 */ 105c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 106c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 107c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 108c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger snprintf((unsigned char *)&buf[8], 8, "LIO-ORG"); 109c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger snprintf((unsigned char *)&buf[16], 16, "%s", 110e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.model[0]); 111c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger snprintf((unsigned char *)&buf[32], 4, "%s", 112e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.revision[0]); 113c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = 31; /* Set additional length to 31 */ 114c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 115c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 116c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 117c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* supported vital product data pages */ 118c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 119c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_00(struct se_cmd *cmd, unsigned char *buf) 120c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 121c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0x00; 122c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 8) 123c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 124c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 125c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = 0x0; 126c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 127c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Only report the INQUIRY EVPD=1 pages after a valid NAA 128c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Registered Extended LUN WWN has been set via ConfigFS 129c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * during device creation/restart. 130c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 1315951146dea1ac8ff2f177477c907084d63913cadAndy Grover if (cmd->se_dev->se_sub_dev->su_dev_flags & 132c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger SDF_EMULATED_VPD_UNIT_SERIAL) { 133c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = 3; 134c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] = 0x80; 135c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[6] = 0x83; 136c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x86; 137c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 138c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 139c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 140c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 141c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 142c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* unit serial number */ 143c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 144c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf) 145c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 1465951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 147c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u16 len = 0; 148c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 149c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0x80; 150c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (dev->se_sub_dev->su_dev_flags & 151c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger SDF_EMULATED_VPD_UNIT_SERIAL) { 152c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u32 unit_serial_len; 153c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 154c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unit_serial_len = 155e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover strlen(&dev->se_sub_dev->t10_wwn.unit_serial[0]); 156c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unit_serial_len++; /* For NULL Terminator */ 157c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 158c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (((len + 4) + unit_serial_len) > cmd->data_length) { 159c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += unit_serial_len; 160c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = ((len >> 8) & 0xff); 161c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = (len & 0xff); 162c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 163c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 164c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += sprintf((unsigned char *)&buf[4], "%s", 165e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.unit_serial[0]); 166c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len++; /* Extra Byte for NULL Terminator */ 167c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = len; 168c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 169c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 170c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 171c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 172c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* 173c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Device identification VPD, for a complete list of 174c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * DESIGNATOR TYPEs see spc4r17 Table 459. 175c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 176c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 177c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf) 178c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 1795951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 180e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover struct se_lun *lun = cmd->se_lun; 181c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct se_port *port = NULL; 182c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct se_portal_group *tpg = NULL; 183c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_lu_gp_member *lu_gp_mem; 184c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_tg_pt_gp *tg_pt_gp; 185c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem; 186c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned char binary, binary_new; 187e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover unsigned char *prod = &dev->se_sub_dev->t10_wwn.model[0]; 188c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u32 prod_len; 189c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u32 unit_serial_len, off = 0; 190c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int i; 191c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u16 len = 0, id_len; 192c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 193c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0x83; 194c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off = 4; 195c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 196c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 197c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * NAA IEEE Registered Extended Assigned designator format, see 198c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * spc4r17 section 7.7.3.6.5 199c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 200c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * We depend upon a target_core_mod/ConfigFS provided 201c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * /sys/kernel/config/target/core/$HBA/$DEV/wwn/vpd_unit_serial 202c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * value in order to return the NAA id. 203c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 204c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(dev->se_sub_dev->su_dev_flags & SDF_EMULATED_VPD_UNIT_SERIAL)) 205c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_t10_vend_desc; 206c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 207c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (off + 20 > cmd->data_length) 208c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_t10_vend_desc; 209c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 210c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* CODE SET == Binary */ 211c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 0x1; 212c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 213c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Set ASSOICATION == addressed logical unit: 0)b */ 214c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 0x00; 215c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 216c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Identifier/Designator type == NAA identifier */ 217c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 0x3; 218c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off++; 219c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 220c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Identifier/Designator length */ 221c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 0x10; 222c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 223c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 224c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Start NAA IEEE Registered Extended Identifier/Designator 225c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 226c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = (0x6 << 4); 227c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 228c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 229c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Use OpenFabrics IEEE Company ID: 00 14 05 230c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 231c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 0x01; 232c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 0x40; 233c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = (0x5 << 4); 234c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 235c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 236c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Return ConfigFS Unit Serial Number information for 237c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * VENDOR_SPECIFIC_IDENTIFIER and 238c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * VENDOR_SPECIFIC_IDENTIFIER_EXTENTION 239c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 240c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger binary = transport_asciihex_to_binaryhex( 241e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.unit_serial[0]); 242c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= (binary & 0xf0) >> 4; 243c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger for (i = 0; i < 24; i += 2) { 244c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger binary_new = transport_asciihex_to_binaryhex( 245e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.unit_serial[i+2]); 246c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = (binary & 0x0f) << 4; 247c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= (binary_new & 0xf0) >> 4; 248c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger binary = binary_new; 249c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 250c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len = 20; 251c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off = (len + 4); 252c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 253c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingercheck_t10_vend_desc: 254c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 255c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * T10 Vendor Identifier Page, see spc4r17 section 7.7.3.4 256c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 257c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger id_len = 8; /* For Vendor field */ 258c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger prod_len = 4; /* For VPD Header */ 259c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger prod_len += 8; /* For Vendor field */ 260c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger prod_len += strlen(prod); 261c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger prod_len++; /* For : */ 262c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 263c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (dev->se_sub_dev->su_dev_flags & 264c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger SDF_EMULATED_VPD_UNIT_SERIAL) { 265c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unit_serial_len = 266e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover strlen(&dev->se_sub_dev->t10_wwn.unit_serial[0]); 267c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unit_serial_len++; /* For NULL Terminator */ 268c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 269c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if ((len + (id_len + 4) + 270c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (prod_len + unit_serial_len)) > 271c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger cmd->data_length) { 272c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += (prod_len + unit_serial_len); 273c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_port; 274c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 275c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger id_len += sprintf((unsigned char *)&buf[off+12], 276c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger "%s:%s", prod, 277e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover &dev->se_sub_dev->t10_wwn.unit_serial[0]); 278c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 279c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 0x2; /* ASCII */ 280c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off+1] = 0x1; /* T10 Vendor ID */ 281c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off+2] = 0x0; 282c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger memcpy((unsigned char *)&buf[off+4], "LIO-ORG", 8); 283c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Extra Byte for NULL Terminator */ 284c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger id_len++; 285c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Identifier Length */ 286c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off+3] = id_len; 287c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Header size for Designation descriptor */ 288c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += (id_len + 4); 289c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += (id_len + 4); 290c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 291c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * struct se_port is only set for INQUIRY VPD=1 through $FABRIC_MOD 292c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 293c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingercheck_port: 294c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger port = lun->lun_sep; 295c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (port) { 296c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger struct t10_alua_lu_gp *lu_gp; 297c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u32 padding, scsi_name_len; 298c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u16 lu_gp_id = 0; 299c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u16 tg_pt_gp_id = 0; 300c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u16 tpgt; 301c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 302c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tpg = port->sep_tpg; 303c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 304c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Relative target port identifer, see spc4r17 305c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.7.3.7 306c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 307c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Get the PROTOCOL IDENTIFIER as defined by spc4r17 308c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.5.1 Table 362 309c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 310c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (((len + 4) + 8) > cmd->data_length) { 311c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; 312c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_tpgi; 313c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 314c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 315e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4); 316c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x1; /* CODE SET == Binary */ 317c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 0x80; /* Set PIV=1 */ 318c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Set ASSOICATION == target port: 01b */ 319c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] |= 0x10; 320c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* DESIGNATOR TYPE == Relative target port identifer */ 321c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x4; 322c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off++; /* Skip over Reserved */ 323c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 4; /* DESIGNATOR LENGTH */ 324c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Skip over Obsolete field in RTPI payload 325c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * in Table 472 */ 326c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += 2; 327c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = ((port->sep_rtpi >> 8) & 0xff); 328c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = (port->sep_rtpi & 0xff); 329c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; /* Header size + Designation descriptor */ 330c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 331c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Target port group identifier, see spc4r17 332c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.7.3.8 333c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 334c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Get the PROTOCOL IDENTIFIER as defined by spc4r17 335c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.5.1 Table 362 336c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 337c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingercheck_tpgi: 338e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->t10_alua.alua_type != 339c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger SPC3_ALUA_EMULATED) 340c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_scsi_name; 341c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 342c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (((len + 4) + 8) > cmd->data_length) { 343c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; 344c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_lu_gp; 345c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 346c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem; 347c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!tg_pt_gp_mem) 348c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_lu_gp; 349c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 350c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); 351c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tg_pt_gp = tg_pt_gp_mem->tg_pt_gp; 352c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(tg_pt_gp)) { 353c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); 354c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_lu_gp; 355c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 356c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger tg_pt_gp_id = tg_pt_gp->tg_pt_gp_id; 357c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock); 358c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 359c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 360e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4); 361c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x1; /* CODE SET == Binary */ 362c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 0x80; /* Set PIV=1 */ 363c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Set ASSOICATION == target port: 01b */ 364c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] |= 0x10; 365c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* DESIGNATOR TYPE == Target port group identifier */ 366c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x5; 367c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off++; /* Skip over Reserved */ 368c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 4; /* DESIGNATOR LENGTH */ 369c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += 2; /* Skip over Reserved Field */ 370c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = ((tg_pt_gp_id >> 8) & 0xff); 371c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = (tg_pt_gp_id & 0xff); 372c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; /* Header size + Designation descriptor */ 373c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 374c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Logical Unit Group identifier, see spc4r17 375c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.7.3.8 376c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 377c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingercheck_lu_gp: 378c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (((len + 4) + 8) > cmd->data_length) { 379c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; 380c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_scsi_name; 381c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 382c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger lu_gp_mem = dev->dev_alua_lu_gp_mem; 383c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(lu_gp_mem)) 384c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_scsi_name; 385c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 386c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_lock(&lu_gp_mem->lu_gp_mem_lock); 387c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger lu_gp = lu_gp_mem->lu_gp; 388c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(lu_gp)) { 389c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_unlock(&lu_gp_mem->lu_gp_mem_lock); 390c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto check_scsi_name; 391c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 392c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger lu_gp_id = lu_gp->lu_gp_id; 393c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger spin_unlock(&lu_gp_mem->lu_gp_mem_lock); 394c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 395c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x1; /* CODE SET == Binary */ 396c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* DESIGNATOR TYPE == Logical Unit Group identifier */ 397c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x6; 398c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off++; /* Skip over Reserved */ 399c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = 4; /* DESIGNATOR LENGTH */ 400c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += 2; /* Skip over Reserved Field */ 401c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = ((lu_gp_id >> 8) & 0xff); 402c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] = (lu_gp_id & 0xff); 403c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += 8; /* Header size + Designation descriptor */ 404c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 405c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * SCSI name string designator, see spc4r17 406c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.7.3.11 407c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 408c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Get the PROTOCOL IDENTIFIER as defined by spc4r17 409c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * section 7.5.1 Table 362 410c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 411c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingercheck_scsi_name: 412e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover scsi_name_len = strlen(tpg->se_tpg_tfo->tpg_get_wwn(tpg)); 413c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* UTF-8 ",t,0x<16-bit TPGT>" + NULL Terminator */ 414c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len += 10; 415c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Check for 4-byte padding */ 416c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger padding = ((-scsi_name_len) & 3); 417c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (padding != 0) 418c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len += padding; 419c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Header size + Designation descriptor */ 420c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len += 4; 421c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 422c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (((len + 4) + scsi_name_len) > cmd->data_length) { 423c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += scsi_name_len; 424c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger goto set_len; 425c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 426c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 427e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (tpg->se_tpg_tfo->get_fabric_proto_ident(tpg) << 4); 428c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x3; /* CODE SET == UTF-8 */ 429c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] = 0x80; /* Set PIV=1 */ 430c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Set ASSOICATION == target port: 01b */ 431c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off] |= 0x10; 432c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* DESIGNATOR TYPE == SCSI name string */ 433c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off++] |= 0x8; 434c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += 2; /* Skip over Reserved and length */ 435c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 436c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * SCSI name string identifer containing, $FABRIC_MOD 437c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * dependent information. For LIO-Target and iSCSI 438c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Target Port, this means "<iSCSI name>,t,0x<TPGT> in 439c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * UTF-8 encoding. 440c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 441e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover tpgt = tpg->se_tpg_tfo->tpg_get_tag(tpg); 442c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len = sprintf(&buf[off], "%s,t,0x%04x", 443e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover tpg->se_tpg_tfo->tpg_get_wwn(tpg), tpgt); 444c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len += 1 /* Include NULL terminator */; 445c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 446c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * The null-terminated, null-padded (see 4.4.2) SCSI 447c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * NAME STRING field contains a UTF-8 format string. 448c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * The number of bytes in the SCSI NAME STRING field 449c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * (i.e., the value in the DESIGNATOR LENGTH field) 450c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * shall be no larger than 256 and shall be a multiple 451c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * of four. 452c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 453c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (padding) 454c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger scsi_name_len += padding; 455c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 456c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[off-1] = scsi_name_len; 457c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger off += scsi_name_len; 458c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Header size + Designation descriptor */ 459c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger len += (scsi_name_len + 4); 460c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 461c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerset_len: 462c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = ((len >> 8) & 0xff); 463c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = (len & 0xff); /* Page Length for VPD 0x83 */ 464c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 465c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 466c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 467c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* Extended INQUIRY Data VPD Page */ 468c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 469c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_86(struct se_cmd *cmd, unsigned char *buf) 470c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 471c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 60) 472c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 473c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 474c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0x86; 475c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = 0x3c; 476c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* Set HEADSUP, ORDSUP, SIMPSUP */ 477c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] = 0x07; 478c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 479c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* If WriteCache emulation is enabled, set V_SUP */ 4805951146dea1ac8ff2f177477c907084d63913cadAndy Grover if (cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) 481c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[6] = 0x01; 482c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 483c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 484c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 485c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* Block Limits VPD page */ 486c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 487c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_b0(struct se_cmd *cmd, unsigned char *buf) 488c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 4895951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 490c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int have_tp = 0; 491c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 492c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 493c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Following sbc3r22 section 6.5.3 Block Limits VPD page, when 494c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * emulate_tpu=1 or emulate_tpws=1 we will be expect a 495c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * different page length for Thin Provisioning. 496c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 497e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) 498c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger have_tp = 1; 499c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 500c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < (0x10 + 4)) { 501c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "Received data_length: %u" 502c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " too small for EVPD 0xb0\n", 503c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger cmd->data_length); 504e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return -EINVAL; 505c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 506c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 507c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (have_tp && cmd->data_length < (0x3c + 4)) { 508c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "Received data_length: %u" 509c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " too small for TPE=1 EVPD 0xb0\n", 510c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger cmd->data_length); 511c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger have_tp = 0; 512c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 513c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 514c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = dev->transport->get_device_type(dev); 515c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0xb0; 516c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = have_tp ? 0x3c : 0x10; 517c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 518c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 519c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set OPTIMAL TRANSFER LENGTH GRANULARITY 520c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 521c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger put_unaligned_be16(1, &buf[6]); 522c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 523c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 524c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set MAXIMUM TRANSFER LENGTH 525c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 526e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.max_sectors, &buf[8]); 527c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 528c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 529c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set OPTIMAL TRANSFER LENGTH 530c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 531e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.optimal_sectors, &buf[12]); 532c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 533c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 534c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Exit now if we don't support TP or the initiator sent a too 535c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * short buffer. 536c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 537c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!have_tp || cmd->data_length < (0x3c + 4)) 538c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 539c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 540c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 541c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set MAXIMUM UNMAP LBA COUNT 542c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 543e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count, &buf[20]); 544c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 545c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 546c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set MAXIMUM UNMAP BLOCK DESCRIPTOR COUNT 547c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 548e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count, 549c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger &buf[24]); 550c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 551c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 552c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set OPTIMAL UNMAP GRANULARITY 553c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 554e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.unmap_granularity, &buf[28]); 555c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 556c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 557c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * UNMAP GRANULARITY ALIGNMENT 558c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 559e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment, 560c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger &buf[32]); 561e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment != 0) 562c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[32] |= 0x80; /* Set the UGAVALID bit */ 563c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 564c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 565c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 566c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 567c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* Thin Provisioning VPD */ 568c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 569c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_evpd_b2(struct se_cmd *cmd, unsigned char *buf) 570c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 5715951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 572c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 573c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 574c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * From sbc3r22 section 6.5.4 Thin Provisioning VPD page: 575c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 576c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * The PAGE LENGTH field is defined in SPC-4. If the DP bit is set to 577c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * zero, then the page length shall be set to 0004h. If the DP bit 578c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * is set to one, then the page length shall be set to the value 579c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * defined in table 162. 580c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 581c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = dev->transport->get_device_type(dev); 582c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = 0xb2; 583c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 584c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 585c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set Hardcoded length mentioned above for DP=0 586c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 587c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger put_unaligned_be16(0x0004, &buf[2]); 588c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 589c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 590c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * The THRESHOLD EXPONENT field indicates the threshold set size in 591c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * LBAs as a power of 2 (i.e., the threshold set size is equal to 592c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 2(threshold exponent)). 593c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 594c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Note that this is currently set to 0x00 as mkp says it will be 595c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * changing again. We can enable this once it has settled in T10 596c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * and is actually used by Linux/SCSI ML code. 597c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 598c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = 0x00; 599c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 600c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 601c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * A TPU bit set to one indicates that the device server supports 602c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * the UNMAP command (see 5.25). A TPU bit set to zero indicates 603c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * that the device server does not support the UNMAP command. 604c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 605e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_tpu != 0) 606c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] = 0x80; 607c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 608c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 609c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * A TPWS bit set to one indicates that the device server supports 610c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * the use of the WRITE SAME (16) command (see 5.42) to unmap LBAs. 611c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * A TPWS bit set to zero indicates that the device server does not 612c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * support the use of the WRITE SAME (16) command to unmap LBAs. 613c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 614e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_tpws != 0) 615c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] |= 0x40; 616c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 617c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 618c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 619c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 620c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 621c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_inquiry(struct se_cmd *cmd) 622c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 6235951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 6245951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf; 6255951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *cdb = cmd->t_task.t_task_cdb; 626c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 627c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(cdb[1] & 0x1)) 628c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_inquiry_std(cmd); 629c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 630c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 631c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Make sure we at least have 4 bytes of INQUIRY response 632c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * payload for 0x00 going back for EVPD=1. Note that 0x80 633c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * and 0x83 will check for enough payload data length and 634c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * jump to set_len: label when there is not enough inquiry EVPD 635c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * payload length left for the next outgoing EVPD metadata 636c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 637c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length < 4) { 638c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "SCSI Inquiry payload length: %u" 639c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " too small for EVPD=1\n", cmd->data_length); 640e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return -EINVAL; 641c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 642c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = dev->transport->get_device_type(dev); 643c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 644c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger switch (cdb[2]) { 645c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x00: 646c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_00(cmd, buf); 647c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x80: 648c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_80(cmd, buf); 649c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x83: 650c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_83(cmd, buf); 651c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x86: 652c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_86(cmd, buf); 653c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0xb0: 654c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_b0(cmd, buf); 655c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0xb2: 656c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return target_emulate_evpd_b2(cmd, buf); 657c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 658c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "Unknown VPD Code: 0x%02x\n", cdb[2]); 659e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return -EINVAL; 660c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 661c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 662c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 663c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 664c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 665c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 666c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_readcapacity(struct se_cmd *cmd) 667c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 6685951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 6695951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf; 670904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger unsigned long long blocks_long = dev->transport->get_blocks(dev); 671904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger u32 blocks; 672904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger 673904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger if (blocks_long >= 0x00000000ffffffff) 674904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger blocks = 0xffffffff; 675904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger else 676904f0bc482201fa86e75c330d79dfd11be494cf8Nicholas Bellinger blocks = (u32)blocks_long; 677c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 678c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = (blocks >> 24) & 0xff; 679c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = (blocks >> 16) & 0xff; 680c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = (blocks >> 8) & 0xff; 681c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = blocks & 0xff; 682e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[4] = (dev->se_sub_dev->se_dev_attrib.block_size >> 24) & 0xff; 683e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[5] = (dev->se_sub_dev->se_dev_attrib.block_size >> 16) & 0xff; 684e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[6] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff; 685e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[7] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff; 686c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 687c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set max 32-bit blocks to signal SERVICE ACTION READ_CAPACITY_16 688c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 689e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) 690c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger put_unaligned_be32(0xFFFFFFFF, &buf[0]); 691c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 692c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 693c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 694c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 695c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 696c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_readcapacity_16(struct se_cmd *cmd) 697c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 6985951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 6995951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf; 700c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned long long blocks = dev->transport->get_blocks(dev); 701c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 702c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = (blocks >> 56) & 0xff; 703c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = (blocks >> 48) & 0xff; 704c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[2] = (blocks >> 40) & 0xff; 705c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[3] = (blocks >> 32) & 0xff; 706c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[4] = (blocks >> 24) & 0xff; 707c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[5] = (blocks >> 16) & 0xff; 708c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[6] = (blocks >> 8) & 0xff; 709c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = blocks & 0xff; 710e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[8] = (dev->se_sub_dev->se_dev_attrib.block_size >> 24) & 0xff; 711e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[9] = (dev->se_sub_dev->se_dev_attrib.block_size >> 16) & 0xff; 712e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[10] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff; 713e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover buf[11] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff; 714c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 715c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Set Thin Provisioning Enable bit following sbc3r22 in section 716c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * READ CAPACITY (16) byte 14 if emulate_tpu or emulate_tpws is enabled. 717c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 718e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws) 719c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[14] = 0x80; 720c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 721c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 722c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 723c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 724c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 725c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_modesense_rwrecovery(unsigned char *p) 726c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 727c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[0] = 0x01; 728c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[1] = 0x0a; 729c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 730c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 12; 731c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 732c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 733c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 734c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_modesense_control(struct se_device *dev, unsigned char *p) 735c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 736c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[0] = 0x0a; 737c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[1] = 0x0a; 738c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[2] = 2; 739c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 740c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * From spc4r17, section 7.4.6 Control mode Page 741c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 742c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Unit Attention interlocks control (UN_INTLCK_CTRL) to code 00b 743c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 744c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 00b: The logical unit shall clear any unit attention condition 745c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * reported in the same I_T_L_Q nexus transaction as a CHECK CONDITION 746c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * status and shall not establish a unit attention condition when a com- 747c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * mand is completed with BUSY, TASK SET FULL, or RESERVATION CONFLICT 748c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * status. 749c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 750c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 10b: The logical unit shall not clear any unit attention condition 751c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * reported in the same I_T_L_Q nexus transaction as a CHECK CONDITION 752c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * status and shall not establish a unit attention condition when 753c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * a command is completed with BUSY, TASK SET FULL, or RESERVATION 754c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * CONFLICT status. 755c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 756c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 11b a The logical unit shall not clear any unit attention condition 757c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * reported in the same I_T_L_Q nexus transaction as a CHECK CONDITION 758c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * status and shall establish a unit attention condition for the 759c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * initiator port associated with the I_T nexus on which the BUSY, 760c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * TASK SET FULL, or RESERVATION CONFLICT status is being returned. 761c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Depending on the status, the additional sense code shall be set to 762c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * PREVIOUS BUSY STATUS, PREVIOUS TASK SET FULL STATUS, or PREVIOUS 763c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * RESERVATION CONFLICT STATUS. Until it is cleared by a REQUEST SENSE 764c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * command, a unit attention condition shall be established only once 765c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * for a BUSY, TASK SET FULL, or RESERVATION CONFLICT status regardless 766c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * to the number of commands completed with one of those status codes. 767c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 768e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover p[4] = (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2) ? 0x30 : 769e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 1) ? 0x20 : 0x00; 770c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 771c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * From spc4r17, section 7.4.6 Control mode Page 772c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 773c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Task Aborted Status (TAS) bit set to zero. 774c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * 775c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * A task aborted status (TAS) bit set to zero specifies that aborted 776c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * tasks shall be terminated by the device server without any response 777c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * to the application client. A TAS bit set to one specifies that tasks 778c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * aborted by the actions of an I_T nexus other than the I_T nexus on 779c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * which the command was received shall be completed with TASK ABORTED 780c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * status (see SAM-4). 781c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 782e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover p[5] = (dev->se_sub_dev->se_dev_attrib.emulate_tas) ? 0x40 : 0x00; 783c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[8] = 0xff; 784c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[9] = 0xff; 785c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[11] = 30; 786c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 787c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 12; 788c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 789c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 790c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 791c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_modesense_caching(struct se_device *dev, unsigned char *p) 792c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 793c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[0] = 0x08; 794c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[1] = 0x12; 795e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) 796c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[2] = 0x04; /* Write Cache Enable */ 797c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger p[12] = 0x20; /* Disabled Read Ahead */ 798c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 799c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 20; 800c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 801c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 802c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic void 803c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_modesense_write_protect(unsigned char *buf, int type) 804c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 805c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 806c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * I believe that the WP bit (bit 7) in the mode header is the same for 807c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * all device types.. 808c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 809c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger switch (type) { 810c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case TYPE_DISK: 811c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case TYPE_TAPE: 812c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 813c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] |= 0x80; /* WP bit */ 814c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 815c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 816c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 817c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 818c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic void 819c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_modesense_dpofua(unsigned char *buf, int type) 820c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 821c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger switch (type) { 822c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case TYPE_DISK: 823c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] |= 0x10; /* DPOFUA bit */ 824c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 825c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 826c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 827c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 828c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 829c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 830c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 831c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_modesense(struct se_cmd *cmd, int ten) 832c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 8335951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 8345951146dea1ac8ff2f177477c907084d63913cadAndy Grover char *cdb = cmd->t_task.t_task_cdb; 8355951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *rbuf = cmd->t_task.t_task_buf; 836c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int type = dev->transport->get_device_type(dev); 837c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int offset = (ten) ? 8 : 4; 838c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int length = 0; 839c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned char buf[SE_MODE_PAGE_BUF]; 840c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 841c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger memset(buf, 0, SE_MODE_PAGE_BUF); 842c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 843c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger switch (cdb[2] & 0x3f) { 844c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x01: 845c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length = target_modesense_rwrecovery(&buf[offset]); 846c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 847c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x08: 848c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length = target_modesense_caching(dev, &buf[offset]); 849c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 850c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x0a: 851c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length = target_modesense_control(dev, &buf[offset]); 852c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 853c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x3f: 854c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length = target_modesense_rwrecovery(&buf[offset]); 855c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length += target_modesense_caching(dev, &buf[offset+length]); 856c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger length += target_modesense_control(dev, &buf[offset+length]); 857c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 858c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 859c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "Got Unknown Mode Page: 0x%02x\n", 860c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger cdb[2] & 0x3f); 861c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_MODE_PAGE; 862c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 863c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset += length; 864c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 865c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (ten) { 866c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset -= 2; 867c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = (offset >> 8) & 0xff; 868c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[1] = offset & 0xff; 869c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 870e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || 871c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (cmd->se_deve && 872c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY))) 873c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger target_modesense_write_protect(&buf[3], type); 874c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 875e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && 876e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) 877c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger target_modesense_dpofua(&buf[3], type); 878c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 879c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if ((offset + 2) > cmd->data_length) 880c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset = cmd->data_length; 881c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 882c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } else { 883c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset -= 1; 884c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = offset & 0xff; 885c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 886e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || 887c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (cmd->se_deve && 888c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY))) 889c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger target_modesense_write_protect(&buf[2], type); 890c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 891e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && 892e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) 893c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger target_modesense_dpofua(&buf[2], type); 894c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 895c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if ((offset + 1) > cmd->data_length) 896c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset = cmd->data_length; 897c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 898c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger memcpy(rbuf, buf, offset); 899c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 900c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 901c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 902c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 903c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 904c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_request_sense(struct se_cmd *cmd) 905c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 9065951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *cdb = cmd->t_task.t_task_cdb; 9075951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf; 908c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger u8 ua_asc = 0, ua_ascq = 0; 909c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 910c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cdb[1] & 0x01) { 911c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "REQUEST_SENSE description emulation not" 912c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " supported\n"); 913c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_INVALID_CDB_FIELD; 914c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 915c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!(core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq))) { 916c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 917c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * CURRENT ERROR, UNIT ATTENTION 918c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 919c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = 0x70; 920c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; 921c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 922c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Make sure request data length is enough for additional 923c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * sense data. 924c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 925c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length <= 18) { 926c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x00; 927c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 928c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 929c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 930c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * The Additional Sense Code (ASC) from the UNIT ATTENTION 931c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 932c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[SPC_ASC_KEY_OFFSET] = ua_asc; 933c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[SPC_ASCQ_KEY_OFFSET] = ua_ascq; 934c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x0A; 935c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } else { 936c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 937c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * CURRENT ERROR, NO SENSE 938c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 939c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[0] = 0x70; 940c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE; 941c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 942c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Make sure request data length is enough for additional 943c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * sense data. 944c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 945c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (cmd->data_length <= 18) { 946c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x00; 947c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 948c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 949c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* 950c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * NO ADDITIONAL SENSE INFORMATION 951c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 952c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[SPC_ASC_KEY_OFFSET] = 0x00; 953c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger buf[7] = 0x0A; 954c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 955c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 956c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 957c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 958c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 959c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* 960c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Used for TCM/IBLOCK and TCM/FILEIO for block/blk-lib.c level discard support. 961c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Note this is not used for TCM/pSCSI passthrough 962c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 963c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 964c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_unmap(struct se_task *task) 965c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 966e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover struct se_cmd *cmd = task->task_se_cmd; 9675951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 9685951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *buf = cmd->t_task.t_task_buf, *ptr = NULL; 9695951146dea1ac8ff2f177477c907084d63913cadAndy Grover unsigned char *cdb = &cmd->t_task.t_task_cdb[0]; 970c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger sector_t lba; 971c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned int size = cmd->data_length, range; 972c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int ret, offset; 973c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned short dl, bd_dl; 974c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 975c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger /* First UNMAP block descriptor starts at 8 byte offset */ 976c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger offset = 8; 977c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger size -= 8; 978c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger dl = get_unaligned_be16(&cdb[0]); 979c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger bd_dl = get_unaligned_be16(&cdb[2]); 980c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ptr = &buf[offset]; 981c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "UNMAP: Sub: %s Using dl: %hu bd_dl: %hu size: %hu" 982c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " ptr: %p\n", dev->transport->name, dl, bd_dl, size, ptr); 983c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 984c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger while (size) { 985c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger lba = get_unaligned_be64(&ptr[0]); 986c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger range = get_unaligned_be32(&ptr[8]); 987c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "UNMAP: Using lba: %llu and range: %u\n", 988c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (unsigned long long)lba, range); 989c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 990c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = dev->transport->do_discard(dev, lba, range); 991c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (ret < 0) { 992c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "blkdev_issue_discard() failed: %d\n", 993c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret); 994e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return ret; 995c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 996c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 997c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ptr += 16; 998c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger size -= 16; 999c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1000c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1001c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger task->task_scsi_status = GOOD; 1002c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger transport_complete_task(task, 1); 1003c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 1004c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 1005c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1006c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger/* 1007c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Used for TCM/IBLOCK and TCM/FILEIO for block/blk-lib.c level discard support. 1008c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger * Note this is not used for TCM/pSCSI passthrough 1009c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger */ 1010c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerstatic int 1011c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertarget_emulate_write_same(struct se_task *task) 1012c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 1013e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover struct se_cmd *cmd = task->task_se_cmd; 10145951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 10155951146dea1ac8ff2f177477c907084d63913cadAndy Grover sector_t lba = cmd->t_task.t_task_lba; 1016c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned int range; 1017c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int ret; 1018c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1019e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover range = (cmd->data_length / dev->se_sub_dev->se_dev_attrib.block_size); 1020c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1021c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "WRITE_SAME UNMAP: LBA: %llu Range: %u\n", 1022c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger (unsigned long long)lba, range); 1023c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1024c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = dev->transport->do_discard(dev, lba, range); 1025c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (ret < 0) { 1026c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_INFO "blkdev_issue_discard() failed for WRITE_SAME\n"); 1027e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover return ret; 1028c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1029c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1030c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger task->task_scsi_status = GOOD; 1031c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger transport_complete_task(task, 1); 1032c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return 0; 1033c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 1034c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1035c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingerint 1036c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellingertransport_emulate_control_cdb(struct se_task *task) 1037c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger{ 1038e3d6f909ed803d92a5ac9b4a2c087e0eae9b90d0Andy Grover struct se_cmd *cmd = task->task_se_cmd; 10395951146dea1ac8ff2f177477c907084d63913cadAndy Grover struct se_device *dev = cmd->se_dev; 1040c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger unsigned short service_action; 1041c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger int ret = 0; 1042c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 10435951146dea1ac8ff2f177477c907084d63913cadAndy Grover switch (cmd->t_task.t_task_cdb[0]) { 1044c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case INQUIRY: 1045c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_inquiry(cmd); 1046c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1047c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case READ_CAPACITY: 1048c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_readcapacity(cmd); 1049c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1050c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case MODE_SENSE: 1051c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_modesense(cmd, 0); 1052c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1053c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case MODE_SENSE_10: 1054c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_modesense(cmd, 1); 1055c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1056c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case SERVICE_ACTION_IN: 10575951146dea1ac8ff2f177477c907084d63913cadAndy Grover switch (cmd->t_task.t_task_cdb[1] & 0x1f) { 1058c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case SAI_READ_CAPACITY_16: 1059c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_readcapacity_16(cmd); 1060c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1061c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 1062c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "Unsupported SA: 0x%02x\n", 10635951146dea1ac8ff2f177477c907084d63913cadAndy Grover cmd->t_task.t_task_cdb[1] & 0x1f); 1064c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1065c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1066c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1067c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case REQUEST_SENSE: 1068c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_request_sense(cmd); 1069c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1070c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case UNMAP: 1071c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!dev->transport->do_discard) { 1072c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "UNMAP emulation not supported for: %s\n", 1073c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger dev->transport->name); 1074c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1075c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1076c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_unmap(task); 1077c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1078c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case WRITE_SAME_16: 1079c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!dev->transport->do_discard) { 1080c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "WRITE_SAME_16 emulation not supported" 1081c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " for: %s\n", dev->transport->name); 1082c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1083c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1084c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_write_same(task); 1085c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1086c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case VARIABLE_LENGTH_CMD: 1087c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger service_action = 10885951146dea1ac8ff2f177477c907084d63913cadAndy Grover get_unaligned_be16(&cmd->t_task.t_task_cdb[8]); 1089c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger switch (service_action) { 1090c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case WRITE_SAME_32: 1091c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!dev->transport->do_discard) { 1092c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "WRITE_SAME_32 SA emulation not" 1093c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " supported for: %s\n", 1094c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger dev->transport->name); 1095c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1096c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1097c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger ret = target_emulate_write_same(task); 1098c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1099c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 1100c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "Unsupported VARIABLE_LENGTH_CMD SA:" 1101c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " 0x%02x\n", service_action); 1102c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1103c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1104c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1105c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case SYNCHRONIZE_CACHE: 1106c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case 0x91: /* SYNCHRONIZE_CACHE_16: */ 1107c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (!dev->transport->do_sync_cache) { 1108c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR 1109c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger "SYNCHRONIZE_CACHE emulation not supported" 1110c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger " for: %s\n", dev->transport->name); 1111c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1112c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1113c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger dev->transport->do_sync_cache(task); 1114c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1115c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case ALLOW_MEDIUM_REMOVAL: 1116c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case ERASE: 1117c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case REZERO_UNIT: 1118c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case SEEK_10: 1119c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case SPACE: 1120c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case START_STOP: 1121c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case TEST_UNIT_READY: 1122c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case VERIFY: 1123c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger case WRITE_FILEMARKS: 1124c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger break; 1125c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger default: 1126c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger printk(KERN_ERR "Unsupported SCSI Opcode: 0x%02x for %s\n", 11275951146dea1ac8ff2f177477c907084d63913cadAndy Grover cmd->t_task.t_task_cdb[0], dev->transport->name); 1128c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_UNKNOWN_SAM_OPCODE; 1129c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger } 1130c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1131c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger if (ret < 0) 1132c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return ret; 1133c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger task->task_scsi_status = GOOD; 1134c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger transport_complete_task(task, 1); 1135c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger 1136c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger return PYX_TRANSPORT_SENT_TO_TRANSPORT; 1137c66ac9db8d4ad9994a02b3e933ea2ccc643e1fe5Nicholas Bellinger} 1138