18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/******************************************************************************* 38c2ecf20Sopenharmony_ci * This file contains tcm implementation using v4 configfs fabric infrastructure 48c2ecf20Sopenharmony_ci * for QLogic target mode HBAs 58c2ecf20Sopenharmony_ci * 68c2ecf20Sopenharmony_ci * (c) Copyright 2010-2013 Datera, Inc. 78c2ecf20Sopenharmony_ci * 88c2ecf20Sopenharmony_ci * Author: Nicholas A. Bellinger <nab@daterainc.com> 98c2ecf20Sopenharmony_ci * 108c2ecf20Sopenharmony_ci * tcm_qla2xxx_parse_wwn() and tcm_qla2xxx_format_wwn() contains code from 118c2ecf20Sopenharmony_ci * the TCM_FC / Open-FCoE.org fabric module. 128c2ecf20Sopenharmony_ci * 138c2ecf20Sopenharmony_ci * Copyright (c) 2010 Cisco Systems, Inc 148c2ecf20Sopenharmony_ci * 158c2ecf20Sopenharmony_ci ****************************************************************************/ 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci#include <linux/module.h> 198c2ecf20Sopenharmony_ci#include <linux/utsname.h> 208c2ecf20Sopenharmony_ci#include <linux/vmalloc.h> 218c2ecf20Sopenharmony_ci#include <linux/list.h> 228c2ecf20Sopenharmony_ci#include <linux/slab.h> 238c2ecf20Sopenharmony_ci#include <linux/types.h> 248c2ecf20Sopenharmony_ci#include <linux/string.h> 258c2ecf20Sopenharmony_ci#include <linux/configfs.h> 268c2ecf20Sopenharmony_ci#include <linux/ctype.h> 278c2ecf20Sopenharmony_ci#include <asm/unaligned.h> 288c2ecf20Sopenharmony_ci#include <scsi/scsi_host.h> 298c2ecf20Sopenharmony_ci#include <target/target_core_base.h> 308c2ecf20Sopenharmony_ci#include <target/target_core_fabric.h> 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci#include "qla_def.h" 338c2ecf20Sopenharmony_ci#include "qla_target.h" 348c2ecf20Sopenharmony_ci#include "tcm_qla2xxx.h" 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_cistatic struct workqueue_struct *tcm_qla2xxx_free_wq; 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_ci/* 398c2ecf20Sopenharmony_ci * Parse WWN. 408c2ecf20Sopenharmony_ci * If strict, we require lower-case hex and colon separators to be sure 418c2ecf20Sopenharmony_ci * the name is the same as what would be generated by ft_format_wwn() 428c2ecf20Sopenharmony_ci * so the name and wwn are mapped one-to-one. 438c2ecf20Sopenharmony_ci */ 448c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_parse_wwn(const char *name, u64 *wwn, int strict) 458c2ecf20Sopenharmony_ci{ 468c2ecf20Sopenharmony_ci const char *cp; 478c2ecf20Sopenharmony_ci char c; 488c2ecf20Sopenharmony_ci u32 nibble; 498c2ecf20Sopenharmony_ci u32 byte = 0; 508c2ecf20Sopenharmony_ci u32 pos = 0; 518c2ecf20Sopenharmony_ci u32 err; 528c2ecf20Sopenharmony_ci 538c2ecf20Sopenharmony_ci *wwn = 0; 548c2ecf20Sopenharmony_ci for (cp = name; cp < &name[TCM_QLA2XXX_NAMELEN - 1]; cp++) { 558c2ecf20Sopenharmony_ci c = *cp; 568c2ecf20Sopenharmony_ci if (c == '\n' && cp[1] == '\0') 578c2ecf20Sopenharmony_ci continue; 588c2ecf20Sopenharmony_ci if (strict && pos++ == 2 && byte++ < 7) { 598c2ecf20Sopenharmony_ci pos = 0; 608c2ecf20Sopenharmony_ci if (c == ':') 618c2ecf20Sopenharmony_ci continue; 628c2ecf20Sopenharmony_ci err = 1; 638c2ecf20Sopenharmony_ci goto fail; 648c2ecf20Sopenharmony_ci } 658c2ecf20Sopenharmony_ci if (c == '\0') { 668c2ecf20Sopenharmony_ci err = 2; 678c2ecf20Sopenharmony_ci if (strict && byte != 8) 688c2ecf20Sopenharmony_ci goto fail; 698c2ecf20Sopenharmony_ci return cp - name; 708c2ecf20Sopenharmony_ci } 718c2ecf20Sopenharmony_ci err = 3; 728c2ecf20Sopenharmony_ci if (isdigit(c)) 738c2ecf20Sopenharmony_ci nibble = c - '0'; 748c2ecf20Sopenharmony_ci else if (isxdigit(c) && (islower(c) || !strict)) 758c2ecf20Sopenharmony_ci nibble = tolower(c) - 'a' + 10; 768c2ecf20Sopenharmony_ci else 778c2ecf20Sopenharmony_ci goto fail; 788c2ecf20Sopenharmony_ci *wwn = (*wwn << 4) | nibble; 798c2ecf20Sopenharmony_ci } 808c2ecf20Sopenharmony_ci err = 4; 818c2ecf20Sopenharmony_cifail: 828c2ecf20Sopenharmony_ci pr_debug("err %u len %zu pos %u byte %u\n", 838c2ecf20Sopenharmony_ci err, cp - name, pos, byte); 848c2ecf20Sopenharmony_ci return -1; 858c2ecf20Sopenharmony_ci} 868c2ecf20Sopenharmony_ci 878c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_format_wwn(char *buf, size_t len, u64 wwn) 888c2ecf20Sopenharmony_ci{ 898c2ecf20Sopenharmony_ci u8 b[8]; 908c2ecf20Sopenharmony_ci 918c2ecf20Sopenharmony_ci put_unaligned_be64(wwn, b); 928c2ecf20Sopenharmony_ci return snprintf(buf, len, 938c2ecf20Sopenharmony_ci "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x", 948c2ecf20Sopenharmony_ci b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]); 958c2ecf20Sopenharmony_ci} 968c2ecf20Sopenharmony_ci 978c2ecf20Sopenharmony_ci/* 988c2ecf20Sopenharmony_ci * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn 998c2ecf20Sopenharmony_ci */ 1008c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_npiv_extract_wwn(const char *ns, u64 *nm) 1018c2ecf20Sopenharmony_ci{ 1028c2ecf20Sopenharmony_ci unsigned int i, j; 1038c2ecf20Sopenharmony_ci u8 wwn[8]; 1048c2ecf20Sopenharmony_ci 1058c2ecf20Sopenharmony_ci memset(wwn, 0, sizeof(wwn)); 1068c2ecf20Sopenharmony_ci 1078c2ecf20Sopenharmony_ci /* Validate and store the new name */ 1088c2ecf20Sopenharmony_ci for (i = 0, j = 0; i < 16; i++) { 1098c2ecf20Sopenharmony_ci int value; 1108c2ecf20Sopenharmony_ci 1118c2ecf20Sopenharmony_ci value = hex_to_bin(*ns++); 1128c2ecf20Sopenharmony_ci if (value >= 0) 1138c2ecf20Sopenharmony_ci j = (j << 4) | value; 1148c2ecf20Sopenharmony_ci else 1158c2ecf20Sopenharmony_ci return -EINVAL; 1168c2ecf20Sopenharmony_ci 1178c2ecf20Sopenharmony_ci if (i % 2) { 1188c2ecf20Sopenharmony_ci wwn[i/2] = j & 0xff; 1198c2ecf20Sopenharmony_ci j = 0; 1208c2ecf20Sopenharmony_ci } 1218c2ecf20Sopenharmony_ci } 1228c2ecf20Sopenharmony_ci 1238c2ecf20Sopenharmony_ci *nm = wwn_to_u64(wwn); 1248c2ecf20Sopenharmony_ci return 0; 1258c2ecf20Sopenharmony_ci} 1268c2ecf20Sopenharmony_ci 1278c2ecf20Sopenharmony_ci/* 1288c2ecf20Sopenharmony_ci * This parsing logic follows drivers/scsi/scsi_transport_fc.c: 1298c2ecf20Sopenharmony_ci * store_fc_host_vport_create() 1308c2ecf20Sopenharmony_ci */ 1318c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_npiv_parse_wwn( 1328c2ecf20Sopenharmony_ci const char *name, 1338c2ecf20Sopenharmony_ci size_t count, 1348c2ecf20Sopenharmony_ci u64 *wwpn, 1358c2ecf20Sopenharmony_ci u64 *wwnn) 1368c2ecf20Sopenharmony_ci{ 1378c2ecf20Sopenharmony_ci unsigned int cnt = count; 1388c2ecf20Sopenharmony_ci int rc; 1398c2ecf20Sopenharmony_ci 1408c2ecf20Sopenharmony_ci *wwpn = 0; 1418c2ecf20Sopenharmony_ci *wwnn = 0; 1428c2ecf20Sopenharmony_ci 1438c2ecf20Sopenharmony_ci /* count may include a LF at end of string */ 1448c2ecf20Sopenharmony_ci if (name[cnt-1] == '\n' || name[cnt-1] == 0) 1458c2ecf20Sopenharmony_ci cnt--; 1468c2ecf20Sopenharmony_ci 1478c2ecf20Sopenharmony_ci /* validate we have enough characters for WWPN */ 1488c2ecf20Sopenharmony_ci if ((cnt != (16+1+16)) || (name[16] != ':')) 1498c2ecf20Sopenharmony_ci return -EINVAL; 1508c2ecf20Sopenharmony_ci 1518c2ecf20Sopenharmony_ci rc = tcm_qla2xxx_npiv_extract_wwn(&name[0], wwpn); 1528c2ecf20Sopenharmony_ci if (rc != 0) 1538c2ecf20Sopenharmony_ci return rc; 1548c2ecf20Sopenharmony_ci 1558c2ecf20Sopenharmony_ci rc = tcm_qla2xxx_npiv_extract_wwn(&name[17], wwnn); 1568c2ecf20Sopenharmony_ci if (rc != 0) 1578c2ecf20Sopenharmony_ci return rc; 1588c2ecf20Sopenharmony_ci 1598c2ecf20Sopenharmony_ci return 0; 1608c2ecf20Sopenharmony_ci} 1618c2ecf20Sopenharmony_ci 1628c2ecf20Sopenharmony_cistatic char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg) 1638c2ecf20Sopenharmony_ci{ 1648c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 1658c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 1668c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = tpg->lport; 1678c2ecf20Sopenharmony_ci 1688c2ecf20Sopenharmony_ci return lport->lport_naa_name; 1698c2ecf20Sopenharmony_ci} 1708c2ecf20Sopenharmony_ci 1718c2ecf20Sopenharmony_cistatic u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg) 1728c2ecf20Sopenharmony_ci{ 1738c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 1748c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 1758c2ecf20Sopenharmony_ci return tpg->lport_tpgt; 1768c2ecf20Sopenharmony_ci} 1778c2ecf20Sopenharmony_ci 1788c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_demo_mode(struct se_portal_group *se_tpg) 1798c2ecf20Sopenharmony_ci{ 1808c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 1818c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 1828c2ecf20Sopenharmony_ci 1838c2ecf20Sopenharmony_ci return tpg->tpg_attrib.generate_node_acls; 1848c2ecf20Sopenharmony_ci} 1858c2ecf20Sopenharmony_ci 1868c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group *se_tpg) 1878c2ecf20Sopenharmony_ci{ 1888c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 1898c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 1908c2ecf20Sopenharmony_ci 1918c2ecf20Sopenharmony_ci return tpg->tpg_attrib.cache_dynamic_acls; 1928c2ecf20Sopenharmony_ci} 1938c2ecf20Sopenharmony_ci 1948c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group *se_tpg) 1958c2ecf20Sopenharmony_ci{ 1968c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 1978c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 1988c2ecf20Sopenharmony_ci 1998c2ecf20Sopenharmony_ci return tpg->tpg_attrib.demo_mode_write_protect; 2008c2ecf20Sopenharmony_ci} 2018c2ecf20Sopenharmony_ci 2028c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group *se_tpg) 2038c2ecf20Sopenharmony_ci{ 2048c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 2058c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 2068c2ecf20Sopenharmony_ci 2078c2ecf20Sopenharmony_ci return tpg->tpg_attrib.prod_mode_write_protect; 2088c2ecf20Sopenharmony_ci} 2098c2ecf20Sopenharmony_ci 2108c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_demo_mode_login_only(struct se_portal_group *se_tpg) 2118c2ecf20Sopenharmony_ci{ 2128c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 2138c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 2148c2ecf20Sopenharmony_ci 2158c2ecf20Sopenharmony_ci return tpg->tpg_attrib.demo_mode_login_only; 2168c2ecf20Sopenharmony_ci} 2178c2ecf20Sopenharmony_ci 2188c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_prot_fabric_only(struct se_portal_group *se_tpg) 2198c2ecf20Sopenharmony_ci{ 2208c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 2218c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 2228c2ecf20Sopenharmony_ci 2238c2ecf20Sopenharmony_ci return tpg->tpg_attrib.fabric_prot_type; 2248c2ecf20Sopenharmony_ci} 2258c2ecf20Sopenharmony_ci 2268c2ecf20Sopenharmony_cistatic u32 tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group *se_tpg) 2278c2ecf20Sopenharmony_ci{ 2288c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 2298c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 2308c2ecf20Sopenharmony_ci 2318c2ecf20Sopenharmony_ci return tpg->lport_tpgt; 2328c2ecf20Sopenharmony_ci} 2338c2ecf20Sopenharmony_ci 2348c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_complete_mcmd(struct work_struct *work) 2358c2ecf20Sopenharmony_ci{ 2368c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd *mcmd = container_of(work, 2378c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd, free_work); 2388c2ecf20Sopenharmony_ci 2398c2ecf20Sopenharmony_ci transport_generic_free_cmd(&mcmd->se_cmd, 0); 2408c2ecf20Sopenharmony_ci} 2418c2ecf20Sopenharmony_ci 2428c2ecf20Sopenharmony_ci/* 2438c2ecf20Sopenharmony_ci * Called from qla_target_template->free_mcmd(), and will call 2448c2ecf20Sopenharmony_ci * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops 2458c2ecf20Sopenharmony_ci * release callback. qla_hw_data->hardware_lock is expected to be held 2468c2ecf20Sopenharmony_ci */ 2478c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd) 2488c2ecf20Sopenharmony_ci{ 2498c2ecf20Sopenharmony_ci if (!mcmd) 2508c2ecf20Sopenharmony_ci return; 2518c2ecf20Sopenharmony_ci INIT_WORK(&mcmd->free_work, tcm_qla2xxx_complete_mcmd); 2528c2ecf20Sopenharmony_ci queue_work(tcm_qla2xxx_free_wq, &mcmd->free_work); 2538c2ecf20Sopenharmony_ci} 2548c2ecf20Sopenharmony_ci 2558c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_complete_free(struct work_struct *work) 2568c2ecf20Sopenharmony_ci{ 2578c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); 2588c2ecf20Sopenharmony_ci 2598c2ecf20Sopenharmony_ci cmd->cmd_in_wq = 0; 2608c2ecf20Sopenharmony_ci 2618c2ecf20Sopenharmony_ci WARN_ON(cmd->trc_flags & TRC_CMD_FREE); 2628c2ecf20Sopenharmony_ci 2638c2ecf20Sopenharmony_ci /* To do: protect all tgt_counters manipulations with proper locking. */ 2648c2ecf20Sopenharmony_ci cmd->qpair->tgt_counters.qla_core_ret_sta_ctio++; 2658c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_CMD_FREE; 2668c2ecf20Sopenharmony_ci cmd->cmd_sent_to_fw = 0; 2678c2ecf20Sopenharmony_ci 2688c2ecf20Sopenharmony_ci transport_generic_free_cmd(&cmd->se_cmd, 0); 2698c2ecf20Sopenharmony_ci} 2708c2ecf20Sopenharmony_ci 2718c2ecf20Sopenharmony_cistatic struct qla_tgt_cmd *tcm_qla2xxx_get_cmd(struct fc_port *sess) 2728c2ecf20Sopenharmony_ci{ 2738c2ecf20Sopenharmony_ci struct se_session *se_sess = sess->se_sess; 2748c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd; 2758c2ecf20Sopenharmony_ci int tag, cpu; 2768c2ecf20Sopenharmony_ci 2778c2ecf20Sopenharmony_ci tag = sbitmap_queue_get(&se_sess->sess_tag_pool, &cpu); 2788c2ecf20Sopenharmony_ci if (tag < 0) 2798c2ecf20Sopenharmony_ci return NULL; 2808c2ecf20Sopenharmony_ci 2818c2ecf20Sopenharmony_ci cmd = &((struct qla_tgt_cmd *)se_sess->sess_cmd_map)[tag]; 2828c2ecf20Sopenharmony_ci memset(cmd, 0, sizeof(struct qla_tgt_cmd)); 2838c2ecf20Sopenharmony_ci cmd->se_cmd.map_tag = tag; 2848c2ecf20Sopenharmony_ci cmd->se_cmd.map_cpu = cpu; 2858c2ecf20Sopenharmony_ci 2868c2ecf20Sopenharmony_ci return cmd; 2878c2ecf20Sopenharmony_ci} 2888c2ecf20Sopenharmony_ci 2898c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_rel_cmd(struct qla_tgt_cmd *cmd) 2908c2ecf20Sopenharmony_ci{ 2918c2ecf20Sopenharmony_ci target_free_tag(cmd->sess->se_sess, &cmd->se_cmd); 2928c2ecf20Sopenharmony_ci} 2938c2ecf20Sopenharmony_ci 2948c2ecf20Sopenharmony_ci/* 2958c2ecf20Sopenharmony_ci * Called from qla_target_template->free_cmd(), and will call 2968c2ecf20Sopenharmony_ci * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops 2978c2ecf20Sopenharmony_ci * release callback. qla_hw_data->hardware_lock is expected to be held 2988c2ecf20Sopenharmony_ci */ 2998c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd *cmd) 3008c2ecf20Sopenharmony_ci{ 3018c2ecf20Sopenharmony_ci cmd->qpair->tgt_counters.core_qla_free_cmd++; 3028c2ecf20Sopenharmony_ci cmd->cmd_in_wq = 1; 3038c2ecf20Sopenharmony_ci 3048c2ecf20Sopenharmony_ci WARN_ON(cmd->trc_flags & TRC_CMD_DONE); 3058c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_CMD_DONE; 3068c2ecf20Sopenharmony_ci 3078c2ecf20Sopenharmony_ci INIT_WORK(&cmd->work, tcm_qla2xxx_complete_free); 3088c2ecf20Sopenharmony_ci queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); 3098c2ecf20Sopenharmony_ci} 3108c2ecf20Sopenharmony_ci 3118c2ecf20Sopenharmony_ci/* 3128c2ecf20Sopenharmony_ci * Called from struct target_core_fabric_ops->check_stop_free() context 3138c2ecf20Sopenharmony_ci */ 3148c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_stop_free(struct se_cmd *se_cmd) 3158c2ecf20Sopenharmony_ci{ 3168c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd; 3178c2ecf20Sopenharmony_ci 3188c2ecf20Sopenharmony_ci if ((se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) == 0) { 3198c2ecf20Sopenharmony_ci cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); 3208c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_CMD_CHK_STOP; 3218c2ecf20Sopenharmony_ci } 3228c2ecf20Sopenharmony_ci 3238c2ecf20Sopenharmony_ci return target_put_sess_cmd(se_cmd); 3248c2ecf20Sopenharmony_ci} 3258c2ecf20Sopenharmony_ci 3268c2ecf20Sopenharmony_ci/* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying 3278c2ecf20Sopenharmony_ci * fabric descriptor @se_cmd command to release 3288c2ecf20Sopenharmony_ci */ 3298c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_release_cmd(struct se_cmd *se_cmd) 3308c2ecf20Sopenharmony_ci{ 3318c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd; 3328c2ecf20Sopenharmony_ci 3338c2ecf20Sopenharmony_ci if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) { 3348c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd *mcmd = container_of(se_cmd, 3358c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd, se_cmd); 3368c2ecf20Sopenharmony_ci qlt_free_mcmd(mcmd); 3378c2ecf20Sopenharmony_ci return; 3388c2ecf20Sopenharmony_ci } 3398c2ecf20Sopenharmony_ci cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd); 3408c2ecf20Sopenharmony_ci 3418c2ecf20Sopenharmony_ci if (WARN_ON(cmd->cmd_sent_to_fw)) 3428c2ecf20Sopenharmony_ci return; 3438c2ecf20Sopenharmony_ci 3448c2ecf20Sopenharmony_ci qlt_free_cmd(cmd); 3458c2ecf20Sopenharmony_ci} 3468c2ecf20Sopenharmony_ci 3478c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_release_session(struct kref *kref) 3488c2ecf20Sopenharmony_ci{ 3498c2ecf20Sopenharmony_ci struct fc_port *sess = container_of(kref, 3508c2ecf20Sopenharmony_ci struct fc_port, sess_kref); 3518c2ecf20Sopenharmony_ci 3528c2ecf20Sopenharmony_ci qlt_unreg_sess(sess); 3538c2ecf20Sopenharmony_ci} 3548c2ecf20Sopenharmony_ci 3558c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_put_sess(struct fc_port *sess) 3568c2ecf20Sopenharmony_ci{ 3578c2ecf20Sopenharmony_ci if (!sess) 3588c2ecf20Sopenharmony_ci return; 3598c2ecf20Sopenharmony_ci 3608c2ecf20Sopenharmony_ci kref_put(&sess->sess_kref, tcm_qla2xxx_release_session); 3618c2ecf20Sopenharmony_ci} 3628c2ecf20Sopenharmony_ci 3638c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_close_session(struct se_session *se_sess) 3648c2ecf20Sopenharmony_ci{ 3658c2ecf20Sopenharmony_ci struct fc_port *sess = se_sess->fabric_sess_ptr; 3668c2ecf20Sopenharmony_ci struct scsi_qla_host *vha; 3678c2ecf20Sopenharmony_ci unsigned long flags; 3688c2ecf20Sopenharmony_ci 3698c2ecf20Sopenharmony_ci BUG_ON(!sess); 3708c2ecf20Sopenharmony_ci vha = sess->vha; 3718c2ecf20Sopenharmony_ci 3728c2ecf20Sopenharmony_ci spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); 3738c2ecf20Sopenharmony_ci target_sess_cmd_list_set_waiting(se_sess); 3748c2ecf20Sopenharmony_ci spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); 3758c2ecf20Sopenharmony_ci 3768c2ecf20Sopenharmony_ci sess->explicit_logout = 1; 3778c2ecf20Sopenharmony_ci tcm_qla2xxx_put_sess(sess); 3788c2ecf20Sopenharmony_ci} 3798c2ecf20Sopenharmony_ci 3808c2ecf20Sopenharmony_cistatic u32 tcm_qla2xxx_sess_get_index(struct se_session *se_sess) 3818c2ecf20Sopenharmony_ci{ 3828c2ecf20Sopenharmony_ci return 0; 3838c2ecf20Sopenharmony_ci} 3848c2ecf20Sopenharmony_ci 3858c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd) 3868c2ecf20Sopenharmony_ci{ 3878c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(se_cmd, 3888c2ecf20Sopenharmony_ci struct qla_tgt_cmd, se_cmd); 3898c2ecf20Sopenharmony_ci 3908c2ecf20Sopenharmony_ci if (cmd->aborted) { 3918c2ecf20Sopenharmony_ci /* Cmd can loop during Q-full. tcm_qla2xxx_aborted_task 3928c2ecf20Sopenharmony_ci * can get ahead of this cmd. tcm_qla2xxx_aborted_task 3938c2ecf20Sopenharmony_ci * already kick start the free. 3948c2ecf20Sopenharmony_ci */ 3958c2ecf20Sopenharmony_ci pr_debug("write_pending aborted cmd[%p] refcount %d " 3968c2ecf20Sopenharmony_ci "transport_state %x, t_state %x, se_cmd_flags %x\n", 3978c2ecf20Sopenharmony_ci cmd, kref_read(&cmd->se_cmd.cmd_kref), 3988c2ecf20Sopenharmony_ci cmd->se_cmd.transport_state, 3998c2ecf20Sopenharmony_ci cmd->se_cmd.t_state, 4008c2ecf20Sopenharmony_ci cmd->se_cmd.se_cmd_flags); 4018c2ecf20Sopenharmony_ci transport_generic_request_failure(&cmd->se_cmd, 4028c2ecf20Sopenharmony_ci TCM_CHECK_CONDITION_ABORT_CMD); 4038c2ecf20Sopenharmony_ci return 0; 4048c2ecf20Sopenharmony_ci } 4058c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_XFR_RDY; 4068c2ecf20Sopenharmony_ci cmd->bufflen = se_cmd->data_length; 4078c2ecf20Sopenharmony_ci cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); 4088c2ecf20Sopenharmony_ci 4098c2ecf20Sopenharmony_ci cmd->sg_cnt = se_cmd->t_data_nents; 4108c2ecf20Sopenharmony_ci cmd->sg = se_cmd->t_data_sg; 4118c2ecf20Sopenharmony_ci 4128c2ecf20Sopenharmony_ci cmd->prot_sg_cnt = se_cmd->t_prot_nents; 4138c2ecf20Sopenharmony_ci cmd->prot_sg = se_cmd->t_prot_sg; 4148c2ecf20Sopenharmony_ci cmd->blk_sz = se_cmd->se_dev->dev_attrib.block_size; 4158c2ecf20Sopenharmony_ci se_cmd->pi_err = 0; 4168c2ecf20Sopenharmony_ci 4178c2ecf20Sopenharmony_ci /* 4188c2ecf20Sopenharmony_ci * qla_target.c:qlt_rdy_to_xfer() will call dma_map_sg() to setup 4198c2ecf20Sopenharmony_ci * the SGL mappings into PCIe memory for incoming FCP WRITE data. 4208c2ecf20Sopenharmony_ci */ 4218c2ecf20Sopenharmony_ci return qlt_rdy_to_xfer(cmd); 4228c2ecf20Sopenharmony_ci} 4238c2ecf20Sopenharmony_ci 4248c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl *nacl) 4258c2ecf20Sopenharmony_ci{ 4268c2ecf20Sopenharmony_ci return; 4278c2ecf20Sopenharmony_ci} 4288c2ecf20Sopenharmony_ci 4298c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_get_cmd_state(struct se_cmd *se_cmd) 4308c2ecf20Sopenharmony_ci{ 4318c2ecf20Sopenharmony_ci if (!(se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) { 4328c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(se_cmd, 4338c2ecf20Sopenharmony_ci struct qla_tgt_cmd, se_cmd); 4348c2ecf20Sopenharmony_ci return cmd->state; 4358c2ecf20Sopenharmony_ci } 4368c2ecf20Sopenharmony_ci 4378c2ecf20Sopenharmony_ci return 0; 4388c2ecf20Sopenharmony_ci} 4398c2ecf20Sopenharmony_ci 4408c2ecf20Sopenharmony_ci/* 4418c2ecf20Sopenharmony_ci * Called from process context in qla_target.c:qlt_do_work() code 4428c2ecf20Sopenharmony_ci */ 4438c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, 4448c2ecf20Sopenharmony_ci unsigned char *cdb, uint32_t data_length, int fcp_task_attr, 4458c2ecf20Sopenharmony_ci int data_dir, int bidi) 4468c2ecf20Sopenharmony_ci{ 4478c2ecf20Sopenharmony_ci struct se_cmd *se_cmd = &cmd->se_cmd; 4488c2ecf20Sopenharmony_ci struct se_session *se_sess; 4498c2ecf20Sopenharmony_ci struct fc_port *sess; 4508c2ecf20Sopenharmony_ci#ifdef CONFIG_TCM_QLA2XXX_DEBUG 4518c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg; 4528c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg; 4538c2ecf20Sopenharmony_ci#endif 4548c2ecf20Sopenharmony_ci int flags = TARGET_SCF_ACK_KREF; 4558c2ecf20Sopenharmony_ci 4568c2ecf20Sopenharmony_ci if (bidi) 4578c2ecf20Sopenharmony_ci flags |= TARGET_SCF_BIDI_OP; 4588c2ecf20Sopenharmony_ci 4598c2ecf20Sopenharmony_ci if (se_cmd->cpuid != WORK_CPU_UNBOUND) 4608c2ecf20Sopenharmony_ci flags |= TARGET_SCF_USE_CPUID; 4618c2ecf20Sopenharmony_ci 4628c2ecf20Sopenharmony_ci sess = cmd->sess; 4638c2ecf20Sopenharmony_ci if (!sess) { 4648c2ecf20Sopenharmony_ci pr_err("Unable to locate struct fc_port from qla_tgt_cmd\n"); 4658c2ecf20Sopenharmony_ci return -EINVAL; 4668c2ecf20Sopenharmony_ci } 4678c2ecf20Sopenharmony_ci 4688c2ecf20Sopenharmony_ci se_sess = sess->se_sess; 4698c2ecf20Sopenharmony_ci if (!se_sess) { 4708c2ecf20Sopenharmony_ci pr_err("Unable to locate active struct se_session\n"); 4718c2ecf20Sopenharmony_ci return -EINVAL; 4728c2ecf20Sopenharmony_ci } 4738c2ecf20Sopenharmony_ci 4748c2ecf20Sopenharmony_ci#ifdef CONFIG_TCM_QLA2XXX_DEBUG 4758c2ecf20Sopenharmony_ci se_tpg = se_sess->se_tpg; 4768c2ecf20Sopenharmony_ci tpg = container_of(se_tpg, struct tcm_qla2xxx_tpg, se_tpg); 4778c2ecf20Sopenharmony_ci if (unlikely(tpg->tpg_attrib.jam_host)) { 4788c2ecf20Sopenharmony_ci /* return, and dont run target_submit_cmd,discarding command */ 4798c2ecf20Sopenharmony_ci return 0; 4808c2ecf20Sopenharmony_ci } 4818c2ecf20Sopenharmony_ci#endif 4828c2ecf20Sopenharmony_ci 4838c2ecf20Sopenharmony_ci cmd->qpair->tgt_counters.qla_core_sbt_cmd++; 4848c2ecf20Sopenharmony_ci return target_submit_cmd(se_cmd, se_sess, cdb, &cmd->sense_buffer[0], 4858c2ecf20Sopenharmony_ci cmd->unpacked_lun, data_length, fcp_task_attr, 4868c2ecf20Sopenharmony_ci data_dir, flags); 4878c2ecf20Sopenharmony_ci} 4888c2ecf20Sopenharmony_ci 4898c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_handle_data_work(struct work_struct *work) 4908c2ecf20Sopenharmony_ci{ 4918c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); 4928c2ecf20Sopenharmony_ci 4938c2ecf20Sopenharmony_ci /* 4948c2ecf20Sopenharmony_ci * Ensure that the complete FCP WRITE payload has been received. 4958c2ecf20Sopenharmony_ci * Otherwise return an exception via CHECK_CONDITION status. 4968c2ecf20Sopenharmony_ci */ 4978c2ecf20Sopenharmony_ci cmd->cmd_in_wq = 0; 4988c2ecf20Sopenharmony_ci cmd->cmd_sent_to_fw = 0; 4998c2ecf20Sopenharmony_ci if (cmd->aborted) { 5008c2ecf20Sopenharmony_ci transport_generic_request_failure(&cmd->se_cmd, 5018c2ecf20Sopenharmony_ci TCM_CHECK_CONDITION_ABORT_CMD); 5028c2ecf20Sopenharmony_ci return; 5038c2ecf20Sopenharmony_ci } 5048c2ecf20Sopenharmony_ci 5058c2ecf20Sopenharmony_ci cmd->qpair->tgt_counters.qla_core_ret_ctio++; 5068c2ecf20Sopenharmony_ci if (!cmd->write_data_transferred) { 5078c2ecf20Sopenharmony_ci switch (cmd->dif_err_code) { 5088c2ecf20Sopenharmony_ci case DIF_ERR_GRD: 5098c2ecf20Sopenharmony_ci cmd->se_cmd.pi_err = 5108c2ecf20Sopenharmony_ci TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED; 5118c2ecf20Sopenharmony_ci break; 5128c2ecf20Sopenharmony_ci case DIF_ERR_REF: 5138c2ecf20Sopenharmony_ci cmd->se_cmd.pi_err = 5148c2ecf20Sopenharmony_ci TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED; 5158c2ecf20Sopenharmony_ci break; 5168c2ecf20Sopenharmony_ci case DIF_ERR_APP: 5178c2ecf20Sopenharmony_ci cmd->se_cmd.pi_err = 5188c2ecf20Sopenharmony_ci TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED; 5198c2ecf20Sopenharmony_ci break; 5208c2ecf20Sopenharmony_ci case DIF_ERR_NONE: 5218c2ecf20Sopenharmony_ci default: 5228c2ecf20Sopenharmony_ci break; 5238c2ecf20Sopenharmony_ci } 5248c2ecf20Sopenharmony_ci 5258c2ecf20Sopenharmony_ci if (cmd->se_cmd.pi_err) 5268c2ecf20Sopenharmony_ci transport_generic_request_failure(&cmd->se_cmd, 5278c2ecf20Sopenharmony_ci cmd->se_cmd.pi_err); 5288c2ecf20Sopenharmony_ci else 5298c2ecf20Sopenharmony_ci transport_generic_request_failure(&cmd->se_cmd, 5308c2ecf20Sopenharmony_ci TCM_CHECK_CONDITION_ABORT_CMD); 5318c2ecf20Sopenharmony_ci 5328c2ecf20Sopenharmony_ci return; 5338c2ecf20Sopenharmony_ci } 5348c2ecf20Sopenharmony_ci 5358c2ecf20Sopenharmony_ci return target_execute_cmd(&cmd->se_cmd); 5368c2ecf20Sopenharmony_ci} 5378c2ecf20Sopenharmony_ci 5388c2ecf20Sopenharmony_ci/* 5398c2ecf20Sopenharmony_ci * Called from qla_target.c:qlt_do_ctio_completion() 5408c2ecf20Sopenharmony_ci */ 5418c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) 5428c2ecf20Sopenharmony_ci{ 5438c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_DATA_IN; 5448c2ecf20Sopenharmony_ci cmd->cmd_in_wq = 1; 5458c2ecf20Sopenharmony_ci INIT_WORK(&cmd->work, tcm_qla2xxx_handle_data_work); 5468c2ecf20Sopenharmony_ci queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); 5478c2ecf20Sopenharmony_ci} 5488c2ecf20Sopenharmony_ci 5498c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_chk_dif_tags(uint32_t tag) 5508c2ecf20Sopenharmony_ci{ 5518c2ecf20Sopenharmony_ci return 0; 5528c2ecf20Sopenharmony_ci} 5538c2ecf20Sopenharmony_ci 5548c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_dif_tags(struct qla_tgt_cmd *cmd, 5558c2ecf20Sopenharmony_ci uint16_t *pfw_prot_opts) 5568c2ecf20Sopenharmony_ci{ 5578c2ecf20Sopenharmony_ci struct se_cmd *se_cmd = &cmd->se_cmd; 5588c2ecf20Sopenharmony_ci 5598c2ecf20Sopenharmony_ci if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_GUARD)) 5608c2ecf20Sopenharmony_ci *pfw_prot_opts |= PO_DISABLE_GUARD_CHECK; 5618c2ecf20Sopenharmony_ci 5628c2ecf20Sopenharmony_ci if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_APPTAG)) 5638c2ecf20Sopenharmony_ci *pfw_prot_opts |= PO_DIS_APP_TAG_VALD; 5648c2ecf20Sopenharmony_ci 5658c2ecf20Sopenharmony_ci return 0; 5668c2ecf20Sopenharmony_ci} 5678c2ecf20Sopenharmony_ci 5688c2ecf20Sopenharmony_ci/* 5698c2ecf20Sopenharmony_ci * Called from qla_target.c:qlt_issue_task_mgmt() 5708c2ecf20Sopenharmony_ci */ 5718c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, u64 lun, 5728c2ecf20Sopenharmony_ci uint16_t tmr_func, uint32_t tag) 5738c2ecf20Sopenharmony_ci{ 5748c2ecf20Sopenharmony_ci struct fc_port *sess = mcmd->sess; 5758c2ecf20Sopenharmony_ci struct se_cmd *se_cmd = &mcmd->se_cmd; 5768c2ecf20Sopenharmony_ci int transl_tmr_func = 0; 5778c2ecf20Sopenharmony_ci int flags = TARGET_SCF_ACK_KREF; 5788c2ecf20Sopenharmony_ci 5798c2ecf20Sopenharmony_ci switch (tmr_func) { 5808c2ecf20Sopenharmony_ci case QLA_TGT_ABTS: 5818c2ecf20Sopenharmony_ci pr_debug("%ld: ABTS received\n", sess->vha->host_no); 5828c2ecf20Sopenharmony_ci transl_tmr_func = TMR_ABORT_TASK; 5838c2ecf20Sopenharmony_ci flags |= TARGET_SCF_LOOKUP_LUN_FROM_TAG; 5848c2ecf20Sopenharmony_ci break; 5858c2ecf20Sopenharmony_ci case QLA_TGT_2G_ABORT_TASK: 5868c2ecf20Sopenharmony_ci pr_debug("%ld: 2G Abort Task received\n", sess->vha->host_no); 5878c2ecf20Sopenharmony_ci transl_tmr_func = TMR_ABORT_TASK; 5888c2ecf20Sopenharmony_ci break; 5898c2ecf20Sopenharmony_ci case QLA_TGT_CLEAR_ACA: 5908c2ecf20Sopenharmony_ci pr_debug("%ld: CLEAR_ACA received\n", sess->vha->host_no); 5918c2ecf20Sopenharmony_ci transl_tmr_func = TMR_CLEAR_ACA; 5928c2ecf20Sopenharmony_ci break; 5938c2ecf20Sopenharmony_ci case QLA_TGT_TARGET_RESET: 5948c2ecf20Sopenharmony_ci pr_debug("%ld: TARGET_RESET received\n", sess->vha->host_no); 5958c2ecf20Sopenharmony_ci transl_tmr_func = TMR_TARGET_WARM_RESET; 5968c2ecf20Sopenharmony_ci break; 5978c2ecf20Sopenharmony_ci case QLA_TGT_LUN_RESET: 5988c2ecf20Sopenharmony_ci pr_debug("%ld: LUN_RESET received\n", sess->vha->host_no); 5998c2ecf20Sopenharmony_ci transl_tmr_func = TMR_LUN_RESET; 6008c2ecf20Sopenharmony_ci break; 6018c2ecf20Sopenharmony_ci case QLA_TGT_CLEAR_TS: 6028c2ecf20Sopenharmony_ci pr_debug("%ld: CLEAR_TS received\n", sess->vha->host_no); 6038c2ecf20Sopenharmony_ci transl_tmr_func = TMR_CLEAR_TASK_SET; 6048c2ecf20Sopenharmony_ci break; 6058c2ecf20Sopenharmony_ci case QLA_TGT_ABORT_TS: 6068c2ecf20Sopenharmony_ci pr_debug("%ld: ABORT_TS received\n", sess->vha->host_no); 6078c2ecf20Sopenharmony_ci transl_tmr_func = TMR_ABORT_TASK_SET; 6088c2ecf20Sopenharmony_ci break; 6098c2ecf20Sopenharmony_ci default: 6108c2ecf20Sopenharmony_ci pr_debug("%ld: Unknown task mgmt fn 0x%x\n", 6118c2ecf20Sopenharmony_ci sess->vha->host_no, tmr_func); 6128c2ecf20Sopenharmony_ci return -ENOSYS; 6138c2ecf20Sopenharmony_ci } 6148c2ecf20Sopenharmony_ci 6158c2ecf20Sopenharmony_ci return target_submit_tmr(se_cmd, sess->se_sess, NULL, lun, mcmd, 6168c2ecf20Sopenharmony_ci transl_tmr_func, GFP_ATOMIC, tag, flags); 6178c2ecf20Sopenharmony_ci} 6188c2ecf20Sopenharmony_ci 6198c2ecf20Sopenharmony_cistatic struct qla_tgt_cmd *tcm_qla2xxx_find_cmd_by_tag(struct fc_port *sess, 6208c2ecf20Sopenharmony_ci uint64_t tag) 6218c2ecf20Sopenharmony_ci{ 6228c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = NULL; 6238c2ecf20Sopenharmony_ci struct se_cmd *secmd; 6248c2ecf20Sopenharmony_ci unsigned long flags; 6258c2ecf20Sopenharmony_ci 6268c2ecf20Sopenharmony_ci if (!sess->se_sess) 6278c2ecf20Sopenharmony_ci return NULL; 6288c2ecf20Sopenharmony_ci 6298c2ecf20Sopenharmony_ci spin_lock_irqsave(&sess->se_sess->sess_cmd_lock, flags); 6308c2ecf20Sopenharmony_ci list_for_each_entry(secmd, &sess->se_sess->sess_cmd_list, se_cmd_list) { 6318c2ecf20Sopenharmony_ci /* skip task management functions, including tmr->task_cmd */ 6328c2ecf20Sopenharmony_ci if (secmd->se_cmd_flags & SCF_SCSI_TMR_CDB) 6338c2ecf20Sopenharmony_ci continue; 6348c2ecf20Sopenharmony_ci 6358c2ecf20Sopenharmony_ci if (secmd->tag == tag) { 6368c2ecf20Sopenharmony_ci cmd = container_of(secmd, struct qla_tgt_cmd, se_cmd); 6378c2ecf20Sopenharmony_ci break; 6388c2ecf20Sopenharmony_ci } 6398c2ecf20Sopenharmony_ci } 6408c2ecf20Sopenharmony_ci spin_unlock_irqrestore(&sess->se_sess->sess_cmd_lock, flags); 6418c2ecf20Sopenharmony_ci 6428c2ecf20Sopenharmony_ci return cmd; 6438c2ecf20Sopenharmony_ci} 6448c2ecf20Sopenharmony_ci 6458c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd) 6468c2ecf20Sopenharmony_ci{ 6478c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(se_cmd, 6488c2ecf20Sopenharmony_ci struct qla_tgt_cmd, se_cmd); 6498c2ecf20Sopenharmony_ci 6508c2ecf20Sopenharmony_ci if (cmd->aborted) { 6518c2ecf20Sopenharmony_ci /* Cmd can loop during Q-full. tcm_qla2xxx_aborted_task 6528c2ecf20Sopenharmony_ci * can get ahead of this cmd. tcm_qla2xxx_aborted_task 6538c2ecf20Sopenharmony_ci * already kick start the free. 6548c2ecf20Sopenharmony_ci */ 6558c2ecf20Sopenharmony_ci pr_debug("queue_data_in aborted cmd[%p] refcount %d " 6568c2ecf20Sopenharmony_ci "transport_state %x, t_state %x, se_cmd_flags %x\n", 6578c2ecf20Sopenharmony_ci cmd, kref_read(&cmd->se_cmd.cmd_kref), 6588c2ecf20Sopenharmony_ci cmd->se_cmd.transport_state, 6598c2ecf20Sopenharmony_ci cmd->se_cmd.t_state, 6608c2ecf20Sopenharmony_ci cmd->se_cmd.se_cmd_flags); 6618c2ecf20Sopenharmony_ci return 0; 6628c2ecf20Sopenharmony_ci } 6638c2ecf20Sopenharmony_ci 6648c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_XMIT_DATA; 6658c2ecf20Sopenharmony_ci cmd->bufflen = se_cmd->data_length; 6668c2ecf20Sopenharmony_ci cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); 6678c2ecf20Sopenharmony_ci 6688c2ecf20Sopenharmony_ci cmd->sg_cnt = se_cmd->t_data_nents; 6698c2ecf20Sopenharmony_ci cmd->sg = se_cmd->t_data_sg; 6708c2ecf20Sopenharmony_ci cmd->offset = 0; 6718c2ecf20Sopenharmony_ci 6728c2ecf20Sopenharmony_ci cmd->prot_sg_cnt = se_cmd->t_prot_nents; 6738c2ecf20Sopenharmony_ci cmd->prot_sg = se_cmd->t_prot_sg; 6748c2ecf20Sopenharmony_ci cmd->blk_sz = se_cmd->se_dev->dev_attrib.block_size; 6758c2ecf20Sopenharmony_ci se_cmd->pi_err = 0; 6768c2ecf20Sopenharmony_ci 6778c2ecf20Sopenharmony_ci /* 6788c2ecf20Sopenharmony_ci * Now queue completed DATA_IN the qla2xxx LLD and response ring 6798c2ecf20Sopenharmony_ci */ 6808c2ecf20Sopenharmony_ci return qlt_xmit_response(cmd, QLA_TGT_XMIT_DATA|QLA_TGT_XMIT_STATUS, 6818c2ecf20Sopenharmony_ci se_cmd->scsi_status); 6828c2ecf20Sopenharmony_ci} 6838c2ecf20Sopenharmony_ci 6848c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd) 6858c2ecf20Sopenharmony_ci{ 6868c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(se_cmd, 6878c2ecf20Sopenharmony_ci struct qla_tgt_cmd, se_cmd); 6888c2ecf20Sopenharmony_ci int xmit_type = QLA_TGT_XMIT_STATUS; 6898c2ecf20Sopenharmony_ci 6908c2ecf20Sopenharmony_ci if (cmd->aborted) { 6918c2ecf20Sopenharmony_ci /* 6928c2ecf20Sopenharmony_ci * Cmd can loop during Q-full. tcm_qla2xxx_aborted_task 6938c2ecf20Sopenharmony_ci * can get ahead of this cmd. tcm_qla2xxx_aborted_task 6948c2ecf20Sopenharmony_ci * already kick start the free. 6958c2ecf20Sopenharmony_ci */ 6968c2ecf20Sopenharmony_ci pr_debug( 6978c2ecf20Sopenharmony_ci "queue_data_in aborted cmd[%p] refcount %d transport_state %x, t_state %x, se_cmd_flags %x\n", 6988c2ecf20Sopenharmony_ci cmd, kref_read(&cmd->se_cmd.cmd_kref), 6998c2ecf20Sopenharmony_ci cmd->se_cmd.transport_state, cmd->se_cmd.t_state, 7008c2ecf20Sopenharmony_ci cmd->se_cmd.se_cmd_flags); 7018c2ecf20Sopenharmony_ci return 0; 7028c2ecf20Sopenharmony_ci } 7038c2ecf20Sopenharmony_ci cmd->bufflen = se_cmd->data_length; 7048c2ecf20Sopenharmony_ci cmd->sg = NULL; 7058c2ecf20Sopenharmony_ci cmd->sg_cnt = 0; 7068c2ecf20Sopenharmony_ci cmd->offset = 0; 7078c2ecf20Sopenharmony_ci cmd->dma_data_direction = target_reverse_dma_direction(se_cmd); 7088c2ecf20Sopenharmony_ci cmd->trc_flags |= TRC_XMIT_STATUS; 7098c2ecf20Sopenharmony_ci 7108c2ecf20Sopenharmony_ci if (se_cmd->data_direction == DMA_FROM_DEVICE) { 7118c2ecf20Sopenharmony_ci /* 7128c2ecf20Sopenharmony_ci * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen 7138c2ecf20Sopenharmony_ci * for qla_tgt_xmit_response LLD code 7148c2ecf20Sopenharmony_ci */ 7158c2ecf20Sopenharmony_ci if (se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) { 7168c2ecf20Sopenharmony_ci se_cmd->se_cmd_flags &= ~SCF_OVERFLOW_BIT; 7178c2ecf20Sopenharmony_ci se_cmd->residual_count = 0; 7188c2ecf20Sopenharmony_ci } 7198c2ecf20Sopenharmony_ci se_cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT; 7208c2ecf20Sopenharmony_ci se_cmd->residual_count += se_cmd->data_length; 7218c2ecf20Sopenharmony_ci 7228c2ecf20Sopenharmony_ci cmd->bufflen = 0; 7238c2ecf20Sopenharmony_ci } 7248c2ecf20Sopenharmony_ci /* 7258c2ecf20Sopenharmony_ci * Now queue status response to qla2xxx LLD code and response ring 7268c2ecf20Sopenharmony_ci */ 7278c2ecf20Sopenharmony_ci return qlt_xmit_response(cmd, xmit_type, se_cmd->scsi_status); 7288c2ecf20Sopenharmony_ci} 7298c2ecf20Sopenharmony_ci 7308c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd) 7318c2ecf20Sopenharmony_ci{ 7328c2ecf20Sopenharmony_ci struct se_tmr_req *se_tmr = se_cmd->se_tmr_req; 7338c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd *mcmd = container_of(se_cmd, 7348c2ecf20Sopenharmony_ci struct qla_tgt_mgmt_cmd, se_cmd); 7358c2ecf20Sopenharmony_ci 7368c2ecf20Sopenharmony_ci pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n", 7378c2ecf20Sopenharmony_ci mcmd, se_tmr->function, se_tmr->response); 7388c2ecf20Sopenharmony_ci /* 7398c2ecf20Sopenharmony_ci * Do translation between TCM TM response codes and 7408c2ecf20Sopenharmony_ci * QLA2xxx FC TM response codes. 7418c2ecf20Sopenharmony_ci */ 7428c2ecf20Sopenharmony_ci switch (se_tmr->response) { 7438c2ecf20Sopenharmony_ci case TMR_FUNCTION_COMPLETE: 7448c2ecf20Sopenharmony_ci mcmd->fc_tm_rsp = FC_TM_SUCCESS; 7458c2ecf20Sopenharmony_ci break; 7468c2ecf20Sopenharmony_ci case TMR_TASK_DOES_NOT_EXIST: 7478c2ecf20Sopenharmony_ci mcmd->fc_tm_rsp = FC_TM_BAD_CMD; 7488c2ecf20Sopenharmony_ci break; 7498c2ecf20Sopenharmony_ci case TMR_FUNCTION_REJECTED: 7508c2ecf20Sopenharmony_ci mcmd->fc_tm_rsp = FC_TM_REJECT; 7518c2ecf20Sopenharmony_ci break; 7528c2ecf20Sopenharmony_ci case TMR_LUN_DOES_NOT_EXIST: 7538c2ecf20Sopenharmony_ci default: 7548c2ecf20Sopenharmony_ci mcmd->fc_tm_rsp = FC_TM_FAILED; 7558c2ecf20Sopenharmony_ci break; 7568c2ecf20Sopenharmony_ci } 7578c2ecf20Sopenharmony_ci /* 7588c2ecf20Sopenharmony_ci * Queue the TM response to QLA2xxx LLD to build a 7598c2ecf20Sopenharmony_ci * CTIO response packet. 7608c2ecf20Sopenharmony_ci */ 7618c2ecf20Sopenharmony_ci qlt_xmit_tm_rsp(mcmd); 7628c2ecf20Sopenharmony_ci} 7638c2ecf20Sopenharmony_ci 7648c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd) 7658c2ecf20Sopenharmony_ci{ 7668c2ecf20Sopenharmony_ci struct qla_tgt_cmd *cmd = container_of(se_cmd, 7678c2ecf20Sopenharmony_ci struct qla_tgt_cmd, se_cmd); 7688c2ecf20Sopenharmony_ci 7698c2ecf20Sopenharmony_ci if (qlt_abort_cmd(cmd)) 7708c2ecf20Sopenharmony_ci return; 7718c2ecf20Sopenharmony_ci} 7728c2ecf20Sopenharmony_ci 7738c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *, 7748c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *, struct fc_port *); 7758c2ecf20Sopenharmony_ci/* 7768c2ecf20Sopenharmony_ci * Expected to be called with struct qla_hw_data->tgt.sess_lock held 7778c2ecf20Sopenharmony_ci */ 7788c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_clear_nacl_from_fcport_map(struct fc_port *sess) 7798c2ecf20Sopenharmony_ci{ 7808c2ecf20Sopenharmony_ci struct se_node_acl *se_nacl = sess->se_sess->se_node_acl; 7818c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = se_nacl->se_tpg; 7828c2ecf20Sopenharmony_ci struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; 7838c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(se_wwn, 7848c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 7858c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl, 7868c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl, se_node_acl); 7878c2ecf20Sopenharmony_ci void *node; 7888c2ecf20Sopenharmony_ci 7898c2ecf20Sopenharmony_ci pr_debug("fc_rport domain: port_id 0x%06x\n", nacl->nport_id); 7908c2ecf20Sopenharmony_ci 7918c2ecf20Sopenharmony_ci node = btree_remove32(&lport->lport_fcport_map, nacl->nport_id); 7928c2ecf20Sopenharmony_ci if (WARN_ON(node && (node != se_nacl))) { 7938c2ecf20Sopenharmony_ci /* 7948c2ecf20Sopenharmony_ci * The nacl no longer matches what we think it should be. 7958c2ecf20Sopenharmony_ci * Most likely a new dynamic acl has been added while 7968c2ecf20Sopenharmony_ci * someone dropped the hardware lock. It clearly is a 7978c2ecf20Sopenharmony_ci * bug elsewhere, but this bit can't make things worse. 7988c2ecf20Sopenharmony_ci */ 7998c2ecf20Sopenharmony_ci btree_insert32(&lport->lport_fcport_map, nacl->nport_id, 8008c2ecf20Sopenharmony_ci node, GFP_ATOMIC); 8018c2ecf20Sopenharmony_ci } 8028c2ecf20Sopenharmony_ci 8038c2ecf20Sopenharmony_ci pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n", 8048c2ecf20Sopenharmony_ci se_nacl, nacl->nport_wwnn, nacl->nport_id); 8058c2ecf20Sopenharmony_ci /* 8068c2ecf20Sopenharmony_ci * Now clear the se_nacl and session pointers from our HW lport lookup 8078c2ecf20Sopenharmony_ci * table mapping for this initiator's fabric S_ID and LOOP_ID entries. 8088c2ecf20Sopenharmony_ci * 8098c2ecf20Sopenharmony_ci * This is done ahead of callbacks into tcm_qla2xxx_free_session() -> 8108c2ecf20Sopenharmony_ci * target_wait_for_sess_cmds() before the session waits for outstanding 8118c2ecf20Sopenharmony_ci * I/O to complete, to avoid a race between session shutdown execution 8128c2ecf20Sopenharmony_ci * and incoming ATIOs or TMRs picking up a stale se_node_act reference. 8138c2ecf20Sopenharmony_ci */ 8148c2ecf20Sopenharmony_ci tcm_qla2xxx_clear_sess_lookup(lport, nacl, sess); 8158c2ecf20Sopenharmony_ci} 8168c2ecf20Sopenharmony_ci 8178c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_shutdown_sess(struct fc_port *sess) 8188c2ecf20Sopenharmony_ci{ 8198c2ecf20Sopenharmony_ci target_sess_cmd_list_set_waiting(sess->se_sess); 8208c2ecf20Sopenharmony_ci} 8218c2ecf20Sopenharmony_ci 8228c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_init_nodeacl(struct se_node_acl *se_nacl, 8238c2ecf20Sopenharmony_ci const char *name) 8248c2ecf20Sopenharmony_ci{ 8258c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl = 8268c2ecf20Sopenharmony_ci container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl); 8278c2ecf20Sopenharmony_ci u64 wwnn; 8288c2ecf20Sopenharmony_ci 8298c2ecf20Sopenharmony_ci if (tcm_qla2xxx_parse_wwn(name, &wwnn, 1) < 0) 8308c2ecf20Sopenharmony_ci return -EINVAL; 8318c2ecf20Sopenharmony_ci 8328c2ecf20Sopenharmony_ci nacl->nport_wwnn = wwnn; 8338c2ecf20Sopenharmony_ci tcm_qla2xxx_format_wwn(&nacl->nport_name[0], TCM_QLA2XXX_NAMELEN, wwnn); 8348c2ecf20Sopenharmony_ci 8358c2ecf20Sopenharmony_ci return 0; 8368c2ecf20Sopenharmony_ci} 8378c2ecf20Sopenharmony_ci 8388c2ecf20Sopenharmony_ci/* Start items for tcm_qla2xxx_tpg_attrib_cit */ 8398c2ecf20Sopenharmony_ci 8408c2ecf20Sopenharmony_ci#define DEF_QLA_TPG_ATTRIB(name) \ 8418c2ecf20Sopenharmony_ci \ 8428c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_attrib_##name##_show( \ 8438c2ecf20Sopenharmony_ci struct config_item *item, char *page) \ 8448c2ecf20Sopenharmony_ci{ \ 8458c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = attrib_to_tpg(item); \ 8468c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \ 8478c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); \ 8488c2ecf20Sopenharmony_ci \ 8498c2ecf20Sopenharmony_ci return sprintf(page, "%d\n", tpg->tpg_attrib.name); \ 8508c2ecf20Sopenharmony_ci} \ 8518c2ecf20Sopenharmony_ci \ 8528c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_attrib_##name##_store( \ 8538c2ecf20Sopenharmony_ci struct config_item *item, const char *page, size_t count) \ 8548c2ecf20Sopenharmony_ci{ \ 8558c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = attrib_to_tpg(item); \ 8568c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \ 8578c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); \ 8588c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \ 8598c2ecf20Sopenharmony_ci unsigned long val; \ 8608c2ecf20Sopenharmony_ci int ret; \ 8618c2ecf20Sopenharmony_ci \ 8628c2ecf20Sopenharmony_ci ret = kstrtoul(page, 0, &val); \ 8638c2ecf20Sopenharmony_ci if (ret < 0) { \ 8648c2ecf20Sopenharmony_ci pr_err("kstrtoul() failed with" \ 8658c2ecf20Sopenharmony_ci " ret: %d\n", ret); \ 8668c2ecf20Sopenharmony_ci return -EINVAL; \ 8678c2ecf20Sopenharmony_ci } \ 8688c2ecf20Sopenharmony_ci \ 8698c2ecf20Sopenharmony_ci if ((val != 0) && (val != 1)) { \ 8708c2ecf20Sopenharmony_ci pr_err("Illegal boolean value %lu\n", val); \ 8718c2ecf20Sopenharmony_ci return -EINVAL; \ 8728c2ecf20Sopenharmony_ci } \ 8738c2ecf20Sopenharmony_ci \ 8748c2ecf20Sopenharmony_ci a->name = val; \ 8758c2ecf20Sopenharmony_ci \ 8768c2ecf20Sopenharmony_ci return count; \ 8778c2ecf20Sopenharmony_ci} \ 8788c2ecf20Sopenharmony_ciCONFIGFS_ATTR(tcm_qla2xxx_tpg_attrib_, name) 8798c2ecf20Sopenharmony_ci 8808c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(generate_node_acls); 8818c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(cache_dynamic_acls); 8828c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(demo_mode_write_protect); 8838c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(prod_mode_write_protect); 8848c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(demo_mode_login_only); 8858c2ecf20Sopenharmony_ci#ifdef CONFIG_TCM_QLA2XXX_DEBUG 8868c2ecf20Sopenharmony_ciDEF_QLA_TPG_ATTRIB(jam_host); 8878c2ecf20Sopenharmony_ci#endif 8888c2ecf20Sopenharmony_ci 8898c2ecf20Sopenharmony_cistatic struct configfs_attribute *tcm_qla2xxx_tpg_attrib_attrs[] = { 8908c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_generate_node_acls, 8918c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_cache_dynamic_acls, 8928c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_demo_mode_write_protect, 8938c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_prod_mode_write_protect, 8948c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_demo_mode_login_only, 8958c2ecf20Sopenharmony_ci#ifdef CONFIG_TCM_QLA2XXX_DEBUG 8968c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attrib_attr_jam_host, 8978c2ecf20Sopenharmony_ci#endif 8988c2ecf20Sopenharmony_ci NULL, 8998c2ecf20Sopenharmony_ci}; 9008c2ecf20Sopenharmony_ci 9018c2ecf20Sopenharmony_ci/* End items for tcm_qla2xxx_tpg_attrib_cit */ 9028c2ecf20Sopenharmony_ci 9038c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_enable_show(struct config_item *item, 9048c2ecf20Sopenharmony_ci char *page) 9058c2ecf20Sopenharmony_ci{ 9068c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = to_tpg(item); 9078c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 9088c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 9098c2ecf20Sopenharmony_ci 9108c2ecf20Sopenharmony_ci return snprintf(page, PAGE_SIZE, "%d\n", 9118c2ecf20Sopenharmony_ci atomic_read(&tpg->lport_tpg_enabled)); 9128c2ecf20Sopenharmony_ci} 9138c2ecf20Sopenharmony_ci 9148c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item, 9158c2ecf20Sopenharmony_ci const char *page, size_t count) 9168c2ecf20Sopenharmony_ci{ 9178c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = to_tpg(item); 9188c2ecf20Sopenharmony_ci struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; 9198c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(se_wwn, 9208c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 9218c2ecf20Sopenharmony_ci struct scsi_qla_host *vha = lport->qla_vha; 9228c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 9238c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 9248c2ecf20Sopenharmony_ci unsigned long op; 9258c2ecf20Sopenharmony_ci int rc; 9268c2ecf20Sopenharmony_ci 9278c2ecf20Sopenharmony_ci rc = kstrtoul(page, 0, &op); 9288c2ecf20Sopenharmony_ci if (rc < 0) { 9298c2ecf20Sopenharmony_ci pr_err("kstrtoul() returned %d\n", rc); 9308c2ecf20Sopenharmony_ci return -EINVAL; 9318c2ecf20Sopenharmony_ci } 9328c2ecf20Sopenharmony_ci if ((op != 1) && (op != 0)) { 9338c2ecf20Sopenharmony_ci pr_err("Illegal value for tpg_enable: %lu\n", op); 9348c2ecf20Sopenharmony_ci return -EINVAL; 9358c2ecf20Sopenharmony_ci } 9368c2ecf20Sopenharmony_ci if (op) { 9378c2ecf20Sopenharmony_ci if (atomic_read(&tpg->lport_tpg_enabled)) 9388c2ecf20Sopenharmony_ci return -EEXIST; 9398c2ecf20Sopenharmony_ci 9408c2ecf20Sopenharmony_ci atomic_set(&tpg->lport_tpg_enabled, 1); 9418c2ecf20Sopenharmony_ci qlt_enable_vha(vha); 9428c2ecf20Sopenharmony_ci } else { 9438c2ecf20Sopenharmony_ci if (!atomic_read(&tpg->lport_tpg_enabled)) 9448c2ecf20Sopenharmony_ci return count; 9458c2ecf20Sopenharmony_ci 9468c2ecf20Sopenharmony_ci atomic_set(&tpg->lport_tpg_enabled, 0); 9478c2ecf20Sopenharmony_ci qlt_stop_phase1(vha->vha_tgt.qla_tgt); 9488c2ecf20Sopenharmony_ci qlt_stop_phase2(vha->vha_tgt.qla_tgt); 9498c2ecf20Sopenharmony_ci } 9508c2ecf20Sopenharmony_ci 9518c2ecf20Sopenharmony_ci return count; 9528c2ecf20Sopenharmony_ci} 9538c2ecf20Sopenharmony_ci 9548c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_dynamic_sessions_show(struct config_item *item, 9558c2ecf20Sopenharmony_ci char *page) 9568c2ecf20Sopenharmony_ci{ 9578c2ecf20Sopenharmony_ci return target_show_dynamic_sessions(to_tpg(item), page); 9588c2ecf20Sopenharmony_ci} 9598c2ecf20Sopenharmony_ci 9608c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_fabric_prot_type_store(struct config_item *item, 9618c2ecf20Sopenharmony_ci const char *page, size_t count) 9628c2ecf20Sopenharmony_ci{ 9638c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = to_tpg(item); 9648c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 9658c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 9668c2ecf20Sopenharmony_ci unsigned long val; 9678c2ecf20Sopenharmony_ci int ret = kstrtoul(page, 0, &val); 9688c2ecf20Sopenharmony_ci 9698c2ecf20Sopenharmony_ci if (ret) { 9708c2ecf20Sopenharmony_ci pr_err("kstrtoul() returned %d for fabric_prot_type\n", ret); 9718c2ecf20Sopenharmony_ci return ret; 9728c2ecf20Sopenharmony_ci } 9738c2ecf20Sopenharmony_ci if (val != 0 && val != 1 && val != 3) { 9748c2ecf20Sopenharmony_ci pr_err("Invalid qla2xxx fabric_prot_type: %lu\n", val); 9758c2ecf20Sopenharmony_ci return -EINVAL; 9768c2ecf20Sopenharmony_ci } 9778c2ecf20Sopenharmony_ci tpg->tpg_attrib.fabric_prot_type = val; 9788c2ecf20Sopenharmony_ci 9798c2ecf20Sopenharmony_ci return count; 9808c2ecf20Sopenharmony_ci} 9818c2ecf20Sopenharmony_ci 9828c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_tpg_fabric_prot_type_show(struct config_item *item, 9838c2ecf20Sopenharmony_ci char *page) 9848c2ecf20Sopenharmony_ci{ 9858c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = to_tpg(item); 9868c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 9878c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 9888c2ecf20Sopenharmony_ci 9898c2ecf20Sopenharmony_ci return sprintf(page, "%d\n", tpg->tpg_attrib.fabric_prot_type); 9908c2ecf20Sopenharmony_ci} 9918c2ecf20Sopenharmony_ci 9928c2ecf20Sopenharmony_ciCONFIGFS_ATTR(tcm_qla2xxx_tpg_, enable); 9938c2ecf20Sopenharmony_ciCONFIGFS_ATTR_RO(tcm_qla2xxx_tpg_, dynamic_sessions); 9948c2ecf20Sopenharmony_ciCONFIGFS_ATTR(tcm_qla2xxx_tpg_, fabric_prot_type); 9958c2ecf20Sopenharmony_ci 9968c2ecf20Sopenharmony_cistatic struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = { 9978c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attr_enable, 9988c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attr_dynamic_sessions, 9998c2ecf20Sopenharmony_ci &tcm_qla2xxx_tpg_attr_fabric_prot_type, 10008c2ecf20Sopenharmony_ci NULL, 10018c2ecf20Sopenharmony_ci}; 10028c2ecf20Sopenharmony_ci 10038c2ecf20Sopenharmony_cistatic struct se_portal_group *tcm_qla2xxx_make_tpg(struct se_wwn *wwn, 10048c2ecf20Sopenharmony_ci const char *name) 10058c2ecf20Sopenharmony_ci{ 10068c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(wwn, 10078c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 10088c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg; 10098c2ecf20Sopenharmony_ci unsigned long tpgt; 10108c2ecf20Sopenharmony_ci int ret; 10118c2ecf20Sopenharmony_ci 10128c2ecf20Sopenharmony_ci if (strstr(name, "tpgt_") != name) 10138c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 10148c2ecf20Sopenharmony_ci if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX) 10158c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 10168c2ecf20Sopenharmony_ci 10178c2ecf20Sopenharmony_ci if ((tpgt != 1)) { 10188c2ecf20Sopenharmony_ci pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n"); 10198c2ecf20Sopenharmony_ci return ERR_PTR(-ENOSYS); 10208c2ecf20Sopenharmony_ci } 10218c2ecf20Sopenharmony_ci 10228c2ecf20Sopenharmony_ci tpg = kzalloc(sizeof(struct tcm_qla2xxx_tpg), GFP_KERNEL); 10238c2ecf20Sopenharmony_ci if (!tpg) { 10248c2ecf20Sopenharmony_ci pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n"); 10258c2ecf20Sopenharmony_ci return ERR_PTR(-ENOMEM); 10268c2ecf20Sopenharmony_ci } 10278c2ecf20Sopenharmony_ci tpg->lport = lport; 10288c2ecf20Sopenharmony_ci tpg->lport_tpgt = tpgt; 10298c2ecf20Sopenharmony_ci /* 10308c2ecf20Sopenharmony_ci * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic 10318c2ecf20Sopenharmony_ci * NodeACLs 10328c2ecf20Sopenharmony_ci */ 10338c2ecf20Sopenharmony_ci tpg->tpg_attrib.generate_node_acls = 1; 10348c2ecf20Sopenharmony_ci tpg->tpg_attrib.demo_mode_write_protect = 1; 10358c2ecf20Sopenharmony_ci tpg->tpg_attrib.cache_dynamic_acls = 1; 10368c2ecf20Sopenharmony_ci tpg->tpg_attrib.demo_mode_login_only = 1; 10378c2ecf20Sopenharmony_ci tpg->tpg_attrib.jam_host = 0; 10388c2ecf20Sopenharmony_ci 10398c2ecf20Sopenharmony_ci ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP); 10408c2ecf20Sopenharmony_ci if (ret < 0) { 10418c2ecf20Sopenharmony_ci kfree(tpg); 10428c2ecf20Sopenharmony_ci return NULL; 10438c2ecf20Sopenharmony_ci } 10448c2ecf20Sopenharmony_ci 10458c2ecf20Sopenharmony_ci lport->tpg_1 = tpg; 10468c2ecf20Sopenharmony_ci 10478c2ecf20Sopenharmony_ci return &tpg->se_tpg; 10488c2ecf20Sopenharmony_ci} 10498c2ecf20Sopenharmony_ci 10508c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg) 10518c2ecf20Sopenharmony_ci{ 10528c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 10538c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 10548c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = tpg->lport; 10558c2ecf20Sopenharmony_ci struct scsi_qla_host *vha = lport->qla_vha; 10568c2ecf20Sopenharmony_ci /* 10578c2ecf20Sopenharmony_ci * Call into qla2x_target.c LLD logic to shutdown the active 10588c2ecf20Sopenharmony_ci * FC Nexuses and disable target mode operation for this qla_hw_data 10598c2ecf20Sopenharmony_ci */ 10608c2ecf20Sopenharmony_ci if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stop) 10618c2ecf20Sopenharmony_ci qlt_stop_phase1(vha->vha_tgt.qla_tgt); 10628c2ecf20Sopenharmony_ci 10638c2ecf20Sopenharmony_ci core_tpg_deregister(se_tpg); 10648c2ecf20Sopenharmony_ci /* 10658c2ecf20Sopenharmony_ci * Clear local TPG=1 pointer for non NPIV mode. 10668c2ecf20Sopenharmony_ci */ 10678c2ecf20Sopenharmony_ci lport->tpg_1 = NULL; 10688c2ecf20Sopenharmony_ci kfree(tpg); 10698c2ecf20Sopenharmony_ci} 10708c2ecf20Sopenharmony_ci 10718c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_npiv_tpg_enable_show(struct config_item *item, 10728c2ecf20Sopenharmony_ci char *page) 10738c2ecf20Sopenharmony_ci{ 10748c2ecf20Sopenharmony_ci return tcm_qla2xxx_tpg_enable_show(item, page); 10758c2ecf20Sopenharmony_ci} 10768c2ecf20Sopenharmony_ci 10778c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item, 10788c2ecf20Sopenharmony_ci const char *page, size_t count) 10798c2ecf20Sopenharmony_ci{ 10808c2ecf20Sopenharmony_ci struct se_portal_group *se_tpg = to_tpg(item); 10818c2ecf20Sopenharmony_ci struct se_wwn *se_wwn = se_tpg->se_tpg_wwn; 10828c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(se_wwn, 10838c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 10848c2ecf20Sopenharmony_ci struct scsi_qla_host *vha = lport->qla_vha; 10858c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 10868c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 10878c2ecf20Sopenharmony_ci unsigned long op; 10888c2ecf20Sopenharmony_ci int rc; 10898c2ecf20Sopenharmony_ci 10908c2ecf20Sopenharmony_ci rc = kstrtoul(page, 0, &op); 10918c2ecf20Sopenharmony_ci if (rc < 0) { 10928c2ecf20Sopenharmony_ci pr_err("kstrtoul() returned %d\n", rc); 10938c2ecf20Sopenharmony_ci return -EINVAL; 10948c2ecf20Sopenharmony_ci } 10958c2ecf20Sopenharmony_ci if ((op != 1) && (op != 0)) { 10968c2ecf20Sopenharmony_ci pr_err("Illegal value for tpg_enable: %lu\n", op); 10978c2ecf20Sopenharmony_ci return -EINVAL; 10988c2ecf20Sopenharmony_ci } 10998c2ecf20Sopenharmony_ci if (op) { 11008c2ecf20Sopenharmony_ci if (atomic_read(&tpg->lport_tpg_enabled)) 11018c2ecf20Sopenharmony_ci return -EEXIST; 11028c2ecf20Sopenharmony_ci 11038c2ecf20Sopenharmony_ci atomic_set(&tpg->lport_tpg_enabled, 1); 11048c2ecf20Sopenharmony_ci qlt_enable_vha(vha); 11058c2ecf20Sopenharmony_ci } else { 11068c2ecf20Sopenharmony_ci if (!atomic_read(&tpg->lport_tpg_enabled)) 11078c2ecf20Sopenharmony_ci return count; 11088c2ecf20Sopenharmony_ci 11098c2ecf20Sopenharmony_ci atomic_set(&tpg->lport_tpg_enabled, 0); 11108c2ecf20Sopenharmony_ci qlt_stop_phase1(vha->vha_tgt.qla_tgt); 11118c2ecf20Sopenharmony_ci qlt_stop_phase2(vha->vha_tgt.qla_tgt); 11128c2ecf20Sopenharmony_ci } 11138c2ecf20Sopenharmony_ci 11148c2ecf20Sopenharmony_ci return count; 11158c2ecf20Sopenharmony_ci} 11168c2ecf20Sopenharmony_ci 11178c2ecf20Sopenharmony_ciCONFIGFS_ATTR(tcm_qla2xxx_npiv_tpg_, enable); 11188c2ecf20Sopenharmony_ci 11198c2ecf20Sopenharmony_cistatic struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = { 11208c2ecf20Sopenharmony_ci &tcm_qla2xxx_npiv_tpg_attr_enable, 11218c2ecf20Sopenharmony_ci NULL, 11228c2ecf20Sopenharmony_ci}; 11238c2ecf20Sopenharmony_ci 11248c2ecf20Sopenharmony_cistatic struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(struct se_wwn *wwn, 11258c2ecf20Sopenharmony_ci const char *name) 11268c2ecf20Sopenharmony_ci{ 11278c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(wwn, 11288c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 11298c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg; 11308c2ecf20Sopenharmony_ci unsigned long tpgt; 11318c2ecf20Sopenharmony_ci int ret; 11328c2ecf20Sopenharmony_ci 11338c2ecf20Sopenharmony_ci if (strstr(name, "tpgt_") != name) 11348c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 11358c2ecf20Sopenharmony_ci if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX) 11368c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 11378c2ecf20Sopenharmony_ci 11388c2ecf20Sopenharmony_ci tpg = kzalloc(sizeof(struct tcm_qla2xxx_tpg), GFP_KERNEL); 11398c2ecf20Sopenharmony_ci if (!tpg) { 11408c2ecf20Sopenharmony_ci pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n"); 11418c2ecf20Sopenharmony_ci return ERR_PTR(-ENOMEM); 11428c2ecf20Sopenharmony_ci } 11438c2ecf20Sopenharmony_ci tpg->lport = lport; 11448c2ecf20Sopenharmony_ci tpg->lport_tpgt = tpgt; 11458c2ecf20Sopenharmony_ci 11468c2ecf20Sopenharmony_ci /* 11478c2ecf20Sopenharmony_ci * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic 11488c2ecf20Sopenharmony_ci * NodeACLs 11498c2ecf20Sopenharmony_ci */ 11508c2ecf20Sopenharmony_ci tpg->tpg_attrib.generate_node_acls = 1; 11518c2ecf20Sopenharmony_ci tpg->tpg_attrib.demo_mode_write_protect = 1; 11528c2ecf20Sopenharmony_ci tpg->tpg_attrib.cache_dynamic_acls = 1; 11538c2ecf20Sopenharmony_ci tpg->tpg_attrib.demo_mode_login_only = 1; 11548c2ecf20Sopenharmony_ci 11558c2ecf20Sopenharmony_ci ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_FCP); 11568c2ecf20Sopenharmony_ci if (ret < 0) { 11578c2ecf20Sopenharmony_ci kfree(tpg); 11588c2ecf20Sopenharmony_ci return NULL; 11598c2ecf20Sopenharmony_ci } 11608c2ecf20Sopenharmony_ci lport->tpg_1 = tpg; 11618c2ecf20Sopenharmony_ci return &tpg->se_tpg; 11628c2ecf20Sopenharmony_ci} 11638c2ecf20Sopenharmony_ci 11648c2ecf20Sopenharmony_ci/* 11658c2ecf20Sopenharmony_ci * Expected to be called with struct qla_hw_data->tgt.sess_lock held 11668c2ecf20Sopenharmony_ci */ 11678c2ecf20Sopenharmony_cistatic struct fc_port *tcm_qla2xxx_find_sess_by_s_id(scsi_qla_host_t *vha, 11688c2ecf20Sopenharmony_ci const be_id_t s_id) 11698c2ecf20Sopenharmony_ci{ 11708c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 11718c2ecf20Sopenharmony_ci struct se_node_acl *se_nacl; 11728c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl; 11738c2ecf20Sopenharmony_ci u32 key; 11748c2ecf20Sopenharmony_ci 11758c2ecf20Sopenharmony_ci lport = vha->vha_tgt.target_lport_ptr; 11768c2ecf20Sopenharmony_ci if (!lport) { 11778c2ecf20Sopenharmony_ci pr_err("Unable to locate struct tcm_qla2xxx_lport\n"); 11788c2ecf20Sopenharmony_ci dump_stack(); 11798c2ecf20Sopenharmony_ci return NULL; 11808c2ecf20Sopenharmony_ci } 11818c2ecf20Sopenharmony_ci 11828c2ecf20Sopenharmony_ci key = sid_to_key(s_id); 11838c2ecf20Sopenharmony_ci pr_debug("find_sess_by_s_id: 0x%06x\n", key); 11848c2ecf20Sopenharmony_ci 11858c2ecf20Sopenharmony_ci se_nacl = btree_lookup32(&lport->lport_fcport_map, key); 11868c2ecf20Sopenharmony_ci if (!se_nacl) { 11878c2ecf20Sopenharmony_ci pr_debug("Unable to locate s_id: 0x%06x\n", key); 11888c2ecf20Sopenharmony_ci return NULL; 11898c2ecf20Sopenharmony_ci } 11908c2ecf20Sopenharmony_ci pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n", 11918c2ecf20Sopenharmony_ci se_nacl, se_nacl->initiatorname); 11928c2ecf20Sopenharmony_ci 11938c2ecf20Sopenharmony_ci nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl); 11948c2ecf20Sopenharmony_ci if (!nacl->fc_port) { 11958c2ecf20Sopenharmony_ci pr_err("Unable to locate struct fc_port\n"); 11968c2ecf20Sopenharmony_ci return NULL; 11978c2ecf20Sopenharmony_ci } 11988c2ecf20Sopenharmony_ci 11998c2ecf20Sopenharmony_ci return nacl->fc_port; 12008c2ecf20Sopenharmony_ci} 12018c2ecf20Sopenharmony_ci 12028c2ecf20Sopenharmony_ci/* 12038c2ecf20Sopenharmony_ci * Expected to be called with struct qla_hw_data->tgt.sess_lock held 12048c2ecf20Sopenharmony_ci */ 12058c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_set_sess_by_s_id( 12068c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport, 12078c2ecf20Sopenharmony_ci struct se_node_acl *new_se_nacl, 12088c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl, 12098c2ecf20Sopenharmony_ci struct se_session *se_sess, 12108c2ecf20Sopenharmony_ci struct fc_port *fc_port, 12118c2ecf20Sopenharmony_ci be_id_t s_id) 12128c2ecf20Sopenharmony_ci{ 12138c2ecf20Sopenharmony_ci u32 key; 12148c2ecf20Sopenharmony_ci void *slot; 12158c2ecf20Sopenharmony_ci int rc; 12168c2ecf20Sopenharmony_ci 12178c2ecf20Sopenharmony_ci key = sid_to_key(s_id); 12188c2ecf20Sopenharmony_ci pr_debug("set_sess_by_s_id: %06x\n", key); 12198c2ecf20Sopenharmony_ci 12208c2ecf20Sopenharmony_ci slot = btree_lookup32(&lport->lport_fcport_map, key); 12218c2ecf20Sopenharmony_ci if (!slot) { 12228c2ecf20Sopenharmony_ci if (new_se_nacl) { 12238c2ecf20Sopenharmony_ci pr_debug("Setting up new fc_port entry to new_se_nacl\n"); 12248c2ecf20Sopenharmony_ci nacl->nport_id = key; 12258c2ecf20Sopenharmony_ci rc = btree_insert32(&lport->lport_fcport_map, key, 12268c2ecf20Sopenharmony_ci new_se_nacl, GFP_ATOMIC); 12278c2ecf20Sopenharmony_ci if (rc) 12288c2ecf20Sopenharmony_ci printk(KERN_ERR "Unable to insert s_id into fcport_map: %06x\n", 12298c2ecf20Sopenharmony_ci (int)key); 12308c2ecf20Sopenharmony_ci } else { 12318c2ecf20Sopenharmony_ci pr_debug("Wiping nonexisting fc_port entry\n"); 12328c2ecf20Sopenharmony_ci } 12338c2ecf20Sopenharmony_ci 12348c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 12358c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 12368c2ecf20Sopenharmony_ci return; 12378c2ecf20Sopenharmony_ci } 12388c2ecf20Sopenharmony_ci 12398c2ecf20Sopenharmony_ci if (nacl->fc_port) { 12408c2ecf20Sopenharmony_ci if (new_se_nacl == NULL) { 12418c2ecf20Sopenharmony_ci pr_debug("Clearing existing nacl->fc_port and fc_port entry\n"); 12428c2ecf20Sopenharmony_ci btree_remove32(&lport->lport_fcport_map, key); 12438c2ecf20Sopenharmony_ci nacl->fc_port = NULL; 12448c2ecf20Sopenharmony_ci return; 12458c2ecf20Sopenharmony_ci } 12468c2ecf20Sopenharmony_ci pr_debug("Replacing existing nacl->fc_port and fc_port entry\n"); 12478c2ecf20Sopenharmony_ci btree_update32(&lport->lport_fcport_map, key, new_se_nacl); 12488c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 12498c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 12508c2ecf20Sopenharmony_ci return; 12518c2ecf20Sopenharmony_ci } 12528c2ecf20Sopenharmony_ci 12538c2ecf20Sopenharmony_ci if (new_se_nacl == NULL) { 12548c2ecf20Sopenharmony_ci pr_debug("Clearing existing fc_port entry\n"); 12558c2ecf20Sopenharmony_ci btree_remove32(&lport->lport_fcport_map, key); 12568c2ecf20Sopenharmony_ci return; 12578c2ecf20Sopenharmony_ci } 12588c2ecf20Sopenharmony_ci 12598c2ecf20Sopenharmony_ci pr_debug("Replacing existing fc_port entry w/o active nacl->fc_port\n"); 12608c2ecf20Sopenharmony_ci btree_update32(&lport->lport_fcport_map, key, new_se_nacl); 12618c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 12628c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 12638c2ecf20Sopenharmony_ci 12648c2ecf20Sopenharmony_ci pr_debug("Setup nacl->fc_port %p by s_id for se_nacl: %p, initiatorname: %s\n", 12658c2ecf20Sopenharmony_ci nacl->fc_port, new_se_nacl, new_se_nacl->initiatorname); 12668c2ecf20Sopenharmony_ci} 12678c2ecf20Sopenharmony_ci 12688c2ecf20Sopenharmony_ci/* 12698c2ecf20Sopenharmony_ci * Expected to be called with struct qla_hw_data->tgt.sess_lock held 12708c2ecf20Sopenharmony_ci */ 12718c2ecf20Sopenharmony_cistatic struct fc_port *tcm_qla2xxx_find_sess_by_loop_id( 12728c2ecf20Sopenharmony_ci scsi_qla_host_t *vha, 12738c2ecf20Sopenharmony_ci const uint16_t loop_id) 12748c2ecf20Sopenharmony_ci{ 12758c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 12768c2ecf20Sopenharmony_ci struct se_node_acl *se_nacl; 12778c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl; 12788c2ecf20Sopenharmony_ci struct tcm_qla2xxx_fc_loopid *fc_loopid; 12798c2ecf20Sopenharmony_ci 12808c2ecf20Sopenharmony_ci lport = vha->vha_tgt.target_lport_ptr; 12818c2ecf20Sopenharmony_ci if (!lport) { 12828c2ecf20Sopenharmony_ci pr_err("Unable to locate struct tcm_qla2xxx_lport\n"); 12838c2ecf20Sopenharmony_ci dump_stack(); 12848c2ecf20Sopenharmony_ci return NULL; 12858c2ecf20Sopenharmony_ci } 12868c2ecf20Sopenharmony_ci 12878c2ecf20Sopenharmony_ci pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id); 12888c2ecf20Sopenharmony_ci 12898c2ecf20Sopenharmony_ci fc_loopid = lport->lport_loopid_map + loop_id; 12908c2ecf20Sopenharmony_ci se_nacl = fc_loopid->se_nacl; 12918c2ecf20Sopenharmony_ci if (!se_nacl) { 12928c2ecf20Sopenharmony_ci pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n", 12938c2ecf20Sopenharmony_ci loop_id); 12948c2ecf20Sopenharmony_ci return NULL; 12958c2ecf20Sopenharmony_ci } 12968c2ecf20Sopenharmony_ci 12978c2ecf20Sopenharmony_ci nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl); 12988c2ecf20Sopenharmony_ci 12998c2ecf20Sopenharmony_ci if (!nacl->fc_port) { 13008c2ecf20Sopenharmony_ci pr_err("Unable to locate struct fc_port\n"); 13018c2ecf20Sopenharmony_ci return NULL; 13028c2ecf20Sopenharmony_ci } 13038c2ecf20Sopenharmony_ci 13048c2ecf20Sopenharmony_ci return nacl->fc_port; 13058c2ecf20Sopenharmony_ci} 13068c2ecf20Sopenharmony_ci 13078c2ecf20Sopenharmony_ci/* 13088c2ecf20Sopenharmony_ci * Expected to be called with struct qla_hw_data->tgt.sess_lock held 13098c2ecf20Sopenharmony_ci */ 13108c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_set_sess_by_loop_id( 13118c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport, 13128c2ecf20Sopenharmony_ci struct se_node_acl *new_se_nacl, 13138c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl, 13148c2ecf20Sopenharmony_ci struct se_session *se_sess, 13158c2ecf20Sopenharmony_ci struct fc_port *fc_port, 13168c2ecf20Sopenharmony_ci uint16_t loop_id) 13178c2ecf20Sopenharmony_ci{ 13188c2ecf20Sopenharmony_ci struct se_node_acl *saved_nacl; 13198c2ecf20Sopenharmony_ci struct tcm_qla2xxx_fc_loopid *fc_loopid; 13208c2ecf20Sopenharmony_ci 13218c2ecf20Sopenharmony_ci pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id); 13228c2ecf20Sopenharmony_ci 13238c2ecf20Sopenharmony_ci fc_loopid = &((struct tcm_qla2xxx_fc_loopid *) 13248c2ecf20Sopenharmony_ci lport->lport_loopid_map)[loop_id]; 13258c2ecf20Sopenharmony_ci 13268c2ecf20Sopenharmony_ci saved_nacl = fc_loopid->se_nacl; 13278c2ecf20Sopenharmony_ci if (!saved_nacl) { 13288c2ecf20Sopenharmony_ci pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n"); 13298c2ecf20Sopenharmony_ci fc_loopid->se_nacl = new_se_nacl; 13308c2ecf20Sopenharmony_ci if (fc_port->se_sess != se_sess) 13318c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 13328c2ecf20Sopenharmony_ci if (nacl->fc_port != fc_port) 13338c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 13348c2ecf20Sopenharmony_ci return; 13358c2ecf20Sopenharmony_ci } 13368c2ecf20Sopenharmony_ci 13378c2ecf20Sopenharmony_ci if (nacl->fc_port) { 13388c2ecf20Sopenharmony_ci if (new_se_nacl == NULL) { 13398c2ecf20Sopenharmony_ci pr_debug("Clearing nacl->fc_port and fc_loopid->se_nacl\n"); 13408c2ecf20Sopenharmony_ci fc_loopid->se_nacl = NULL; 13418c2ecf20Sopenharmony_ci nacl->fc_port = NULL; 13428c2ecf20Sopenharmony_ci return; 13438c2ecf20Sopenharmony_ci } 13448c2ecf20Sopenharmony_ci 13458c2ecf20Sopenharmony_ci pr_debug("Replacing existing nacl->fc_port and fc_loopid->se_nacl\n"); 13468c2ecf20Sopenharmony_ci fc_loopid->se_nacl = new_se_nacl; 13478c2ecf20Sopenharmony_ci if (fc_port->se_sess != se_sess) 13488c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 13498c2ecf20Sopenharmony_ci if (nacl->fc_port != fc_port) 13508c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 13518c2ecf20Sopenharmony_ci return; 13528c2ecf20Sopenharmony_ci } 13538c2ecf20Sopenharmony_ci 13548c2ecf20Sopenharmony_ci if (new_se_nacl == NULL) { 13558c2ecf20Sopenharmony_ci pr_debug("Clearing fc_loopid->se_nacl\n"); 13568c2ecf20Sopenharmony_ci fc_loopid->se_nacl = NULL; 13578c2ecf20Sopenharmony_ci return; 13588c2ecf20Sopenharmony_ci } 13598c2ecf20Sopenharmony_ci 13608c2ecf20Sopenharmony_ci pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->fc_port\n"); 13618c2ecf20Sopenharmony_ci fc_loopid->se_nacl = new_se_nacl; 13628c2ecf20Sopenharmony_ci if (fc_port->se_sess != se_sess) 13638c2ecf20Sopenharmony_ci fc_port->se_sess = se_sess; 13648c2ecf20Sopenharmony_ci if (nacl->fc_port != fc_port) 13658c2ecf20Sopenharmony_ci nacl->fc_port = fc_port; 13668c2ecf20Sopenharmony_ci 13678c2ecf20Sopenharmony_ci pr_debug("Setup nacl->fc_port %p by loop_id for se_nacl: %p, initiatorname: %s\n", 13688c2ecf20Sopenharmony_ci nacl->fc_port, new_se_nacl, new_se_nacl->initiatorname); 13698c2ecf20Sopenharmony_ci} 13708c2ecf20Sopenharmony_ci 13718c2ecf20Sopenharmony_ci/* 13728c2ecf20Sopenharmony_ci * Should always be called with qla_hw_data->tgt.sess_lock held. 13738c2ecf20Sopenharmony_ci */ 13748c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *lport, 13758c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl, struct fc_port *sess) 13768c2ecf20Sopenharmony_ci{ 13778c2ecf20Sopenharmony_ci struct se_session *se_sess = sess->se_sess; 13788c2ecf20Sopenharmony_ci 13798c2ecf20Sopenharmony_ci tcm_qla2xxx_set_sess_by_s_id(lport, NULL, nacl, se_sess, 13808c2ecf20Sopenharmony_ci sess, port_id_to_be_id(sess->d_id)); 13818c2ecf20Sopenharmony_ci tcm_qla2xxx_set_sess_by_loop_id(lport, NULL, nacl, se_sess, 13828c2ecf20Sopenharmony_ci sess, sess->loop_id); 13838c2ecf20Sopenharmony_ci} 13848c2ecf20Sopenharmony_ci 13858c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_free_session(struct fc_port *sess) 13868c2ecf20Sopenharmony_ci{ 13878c2ecf20Sopenharmony_ci struct qla_tgt *tgt = sess->tgt; 13888c2ecf20Sopenharmony_ci struct qla_hw_data *ha = tgt->ha; 13898c2ecf20Sopenharmony_ci scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 13908c2ecf20Sopenharmony_ci struct se_session *se_sess; 13918c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 13928c2ecf20Sopenharmony_ci 13938c2ecf20Sopenharmony_ci BUG_ON(in_interrupt()); 13948c2ecf20Sopenharmony_ci 13958c2ecf20Sopenharmony_ci se_sess = sess->se_sess; 13968c2ecf20Sopenharmony_ci if (!se_sess) { 13978c2ecf20Sopenharmony_ci pr_err("struct fc_port->se_sess is NULL\n"); 13988c2ecf20Sopenharmony_ci dump_stack(); 13998c2ecf20Sopenharmony_ci return; 14008c2ecf20Sopenharmony_ci } 14018c2ecf20Sopenharmony_ci 14028c2ecf20Sopenharmony_ci lport = vha->vha_tgt.target_lport_ptr; 14038c2ecf20Sopenharmony_ci if (!lport) { 14048c2ecf20Sopenharmony_ci pr_err("Unable to locate struct tcm_qla2xxx_lport\n"); 14058c2ecf20Sopenharmony_ci dump_stack(); 14068c2ecf20Sopenharmony_ci return; 14078c2ecf20Sopenharmony_ci } 14088c2ecf20Sopenharmony_ci target_wait_for_sess_cmds(se_sess); 14098c2ecf20Sopenharmony_ci 14108c2ecf20Sopenharmony_ci target_remove_session(se_sess); 14118c2ecf20Sopenharmony_ci} 14128c2ecf20Sopenharmony_ci 14138c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_session_cb(struct se_portal_group *se_tpg, 14148c2ecf20Sopenharmony_ci struct se_session *se_sess, void *p) 14158c2ecf20Sopenharmony_ci{ 14168c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, 14178c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg, se_tpg); 14188c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = tpg->lport; 14198c2ecf20Sopenharmony_ci struct qla_hw_data *ha = lport->qla_vha->hw; 14208c2ecf20Sopenharmony_ci struct se_node_acl *se_nacl = se_sess->se_node_acl; 14218c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl, 14228c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl, se_node_acl); 14238c2ecf20Sopenharmony_ci struct fc_port *qlat_sess = p; 14248c2ecf20Sopenharmony_ci uint16_t loop_id = qlat_sess->loop_id; 14258c2ecf20Sopenharmony_ci unsigned long flags; 14268c2ecf20Sopenharmony_ci 14278c2ecf20Sopenharmony_ci /* 14288c2ecf20Sopenharmony_ci * And now setup se_nacl and session pointers into HW lport internal 14298c2ecf20Sopenharmony_ci * mappings for fabric S_ID and LOOP_ID. 14308c2ecf20Sopenharmony_ci */ 14318c2ecf20Sopenharmony_ci spin_lock_irqsave(&ha->tgt.sess_lock, flags); 14328c2ecf20Sopenharmony_ci tcm_qla2xxx_set_sess_by_s_id(lport, se_nacl, nacl, se_sess, qlat_sess, 14338c2ecf20Sopenharmony_ci port_id_to_be_id(qlat_sess->d_id)); 14348c2ecf20Sopenharmony_ci tcm_qla2xxx_set_sess_by_loop_id(lport, se_nacl, nacl, 14358c2ecf20Sopenharmony_ci se_sess, qlat_sess, loop_id); 14368c2ecf20Sopenharmony_ci spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); 14378c2ecf20Sopenharmony_ci 14388c2ecf20Sopenharmony_ci return 0; 14398c2ecf20Sopenharmony_ci} 14408c2ecf20Sopenharmony_ci 14418c2ecf20Sopenharmony_ci/* 14428c2ecf20Sopenharmony_ci * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl() 14438c2ecf20Sopenharmony_ci * to locate struct se_node_acl 14448c2ecf20Sopenharmony_ci */ 14458c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_check_initiator_node_acl( 14468c2ecf20Sopenharmony_ci scsi_qla_host_t *vha, 14478c2ecf20Sopenharmony_ci unsigned char *fc_wwpn, 14488c2ecf20Sopenharmony_ci struct fc_port *qlat_sess) 14498c2ecf20Sopenharmony_ci{ 14508c2ecf20Sopenharmony_ci struct qla_hw_data *ha = vha->hw; 14518c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 14528c2ecf20Sopenharmony_ci struct tcm_qla2xxx_tpg *tpg; 14538c2ecf20Sopenharmony_ci struct se_session *se_sess; 14548c2ecf20Sopenharmony_ci unsigned char port_name[36]; 14558c2ecf20Sopenharmony_ci int num_tags = (ha->cur_fw_xcb_count) ? ha->cur_fw_xcb_count : 14568c2ecf20Sopenharmony_ci TCM_QLA2XXX_DEFAULT_TAGS; 14578c2ecf20Sopenharmony_ci 14588c2ecf20Sopenharmony_ci lport = vha->vha_tgt.target_lport_ptr; 14598c2ecf20Sopenharmony_ci if (!lport) { 14608c2ecf20Sopenharmony_ci pr_err("Unable to locate struct tcm_qla2xxx_lport\n"); 14618c2ecf20Sopenharmony_ci dump_stack(); 14628c2ecf20Sopenharmony_ci return -EINVAL; 14638c2ecf20Sopenharmony_ci } 14648c2ecf20Sopenharmony_ci /* 14658c2ecf20Sopenharmony_ci * Locate the TPG=1 reference.. 14668c2ecf20Sopenharmony_ci */ 14678c2ecf20Sopenharmony_ci tpg = lport->tpg_1; 14688c2ecf20Sopenharmony_ci if (!tpg) { 14698c2ecf20Sopenharmony_ci pr_err("Unable to locate struct tcm_qla2xxx_lport->tpg_1\n"); 14708c2ecf20Sopenharmony_ci return -EINVAL; 14718c2ecf20Sopenharmony_ci } 14728c2ecf20Sopenharmony_ci /* 14738c2ecf20Sopenharmony_ci * Format the FCP Initiator port_name into colon seperated values to 14748c2ecf20Sopenharmony_ci * match the format by tcm_qla2xxx explict ConfigFS NodeACLs. 14758c2ecf20Sopenharmony_ci */ 14768c2ecf20Sopenharmony_ci memset(&port_name, 0, 36); 14778c2ecf20Sopenharmony_ci snprintf(port_name, sizeof(port_name), "%8phC", fc_wwpn); 14788c2ecf20Sopenharmony_ci /* 14798c2ecf20Sopenharmony_ci * Locate our struct se_node_acl either from an explict NodeACL created 14808c2ecf20Sopenharmony_ci * via ConfigFS, or via running in TPG demo mode. 14818c2ecf20Sopenharmony_ci */ 14828c2ecf20Sopenharmony_ci se_sess = target_setup_session(&tpg->se_tpg, num_tags, 14838c2ecf20Sopenharmony_ci sizeof(struct qla_tgt_cmd), 14848c2ecf20Sopenharmony_ci TARGET_PROT_ALL, port_name, 14858c2ecf20Sopenharmony_ci qlat_sess, tcm_qla2xxx_session_cb); 14868c2ecf20Sopenharmony_ci if (IS_ERR(se_sess)) 14878c2ecf20Sopenharmony_ci return PTR_ERR(se_sess); 14888c2ecf20Sopenharmony_ci 14898c2ecf20Sopenharmony_ci return 0; 14908c2ecf20Sopenharmony_ci} 14918c2ecf20Sopenharmony_ci 14928c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_update_sess(struct fc_port *sess, port_id_t s_id, 14938c2ecf20Sopenharmony_ci uint16_t loop_id, bool conf_compl_supported) 14948c2ecf20Sopenharmony_ci{ 14958c2ecf20Sopenharmony_ci struct qla_tgt *tgt = sess->tgt; 14968c2ecf20Sopenharmony_ci struct qla_hw_data *ha = tgt->ha; 14978c2ecf20Sopenharmony_ci scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 14988c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = vha->vha_tgt.target_lport_ptr; 14998c2ecf20Sopenharmony_ci struct se_node_acl *se_nacl = sess->se_sess->se_node_acl; 15008c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl, 15018c2ecf20Sopenharmony_ci struct tcm_qla2xxx_nacl, se_node_acl); 15028c2ecf20Sopenharmony_ci u32 key; 15038c2ecf20Sopenharmony_ci 15048c2ecf20Sopenharmony_ci 15058c2ecf20Sopenharmony_ci if (sess->loop_id != loop_id || sess->d_id.b24 != s_id.b24) 15068c2ecf20Sopenharmony_ci pr_info("Updating session %p from port %8phC loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n", 15078c2ecf20Sopenharmony_ci sess, sess->port_name, 15088c2ecf20Sopenharmony_ci sess->loop_id, loop_id, sess->d_id.b.domain, 15098c2ecf20Sopenharmony_ci sess->d_id.b.area, sess->d_id.b.al_pa, s_id.b.domain, 15108c2ecf20Sopenharmony_ci s_id.b.area, s_id.b.al_pa); 15118c2ecf20Sopenharmony_ci 15128c2ecf20Sopenharmony_ci if (sess->loop_id != loop_id) { 15138c2ecf20Sopenharmony_ci /* 15148c2ecf20Sopenharmony_ci * Because we can shuffle loop IDs around and we 15158c2ecf20Sopenharmony_ci * update different sessions non-atomically, we might 15168c2ecf20Sopenharmony_ci * have overwritten this session's old loop ID 15178c2ecf20Sopenharmony_ci * already, and we might end up overwriting some other 15188c2ecf20Sopenharmony_ci * session that will be updated later. So we have to 15198c2ecf20Sopenharmony_ci * be extra careful and we can't warn about those things... 15208c2ecf20Sopenharmony_ci */ 15218c2ecf20Sopenharmony_ci if (lport->lport_loopid_map[sess->loop_id].se_nacl == se_nacl) 15228c2ecf20Sopenharmony_ci lport->lport_loopid_map[sess->loop_id].se_nacl = NULL; 15238c2ecf20Sopenharmony_ci 15248c2ecf20Sopenharmony_ci lport->lport_loopid_map[loop_id].se_nacl = se_nacl; 15258c2ecf20Sopenharmony_ci 15268c2ecf20Sopenharmony_ci sess->loop_id = loop_id; 15278c2ecf20Sopenharmony_ci } 15288c2ecf20Sopenharmony_ci 15298c2ecf20Sopenharmony_ci if (sess->d_id.b24 != s_id.b24) { 15308c2ecf20Sopenharmony_ci key = (((u32) sess->d_id.b.domain << 16) | 15318c2ecf20Sopenharmony_ci ((u32) sess->d_id.b.area << 8) | 15328c2ecf20Sopenharmony_ci ((u32) sess->d_id.b.al_pa)); 15338c2ecf20Sopenharmony_ci 15348c2ecf20Sopenharmony_ci if (btree_lookup32(&lport->lport_fcport_map, key)) 15358c2ecf20Sopenharmony_ci WARN(btree_remove32(&lport->lport_fcport_map, key) != 15368c2ecf20Sopenharmony_ci se_nacl, "Found wrong se_nacl when updating s_id %x:%x:%x\n", 15378c2ecf20Sopenharmony_ci sess->d_id.b.domain, sess->d_id.b.area, 15388c2ecf20Sopenharmony_ci sess->d_id.b.al_pa); 15398c2ecf20Sopenharmony_ci else 15408c2ecf20Sopenharmony_ci WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n", 15418c2ecf20Sopenharmony_ci sess->d_id.b.domain, sess->d_id.b.area, 15428c2ecf20Sopenharmony_ci sess->d_id.b.al_pa); 15438c2ecf20Sopenharmony_ci 15448c2ecf20Sopenharmony_ci key = (((u32) s_id.b.domain << 16) | 15458c2ecf20Sopenharmony_ci ((u32) s_id.b.area << 8) | 15468c2ecf20Sopenharmony_ci ((u32) s_id.b.al_pa)); 15478c2ecf20Sopenharmony_ci 15488c2ecf20Sopenharmony_ci if (btree_lookup32(&lport->lport_fcport_map, key)) { 15498c2ecf20Sopenharmony_ci WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n", 15508c2ecf20Sopenharmony_ci s_id.b.domain, s_id.b.area, s_id.b.al_pa); 15518c2ecf20Sopenharmony_ci btree_update32(&lport->lport_fcport_map, key, se_nacl); 15528c2ecf20Sopenharmony_ci } else { 15538c2ecf20Sopenharmony_ci btree_insert32(&lport->lport_fcport_map, key, se_nacl, 15548c2ecf20Sopenharmony_ci GFP_ATOMIC); 15558c2ecf20Sopenharmony_ci } 15568c2ecf20Sopenharmony_ci 15578c2ecf20Sopenharmony_ci sess->d_id = s_id; 15588c2ecf20Sopenharmony_ci nacl->nport_id = key; 15598c2ecf20Sopenharmony_ci } 15608c2ecf20Sopenharmony_ci 15618c2ecf20Sopenharmony_ci sess->conf_compl_supported = conf_compl_supported; 15628c2ecf20Sopenharmony_ci 15638c2ecf20Sopenharmony_ci} 15648c2ecf20Sopenharmony_ci 15658c2ecf20Sopenharmony_ci/* 15668c2ecf20Sopenharmony_ci * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path. 15678c2ecf20Sopenharmony_ci */ 15688c2ecf20Sopenharmony_cistatic struct qla_tgt_func_tmpl tcm_qla2xxx_template = { 15698c2ecf20Sopenharmony_ci .find_cmd_by_tag = tcm_qla2xxx_find_cmd_by_tag, 15708c2ecf20Sopenharmony_ci .handle_cmd = tcm_qla2xxx_handle_cmd, 15718c2ecf20Sopenharmony_ci .handle_data = tcm_qla2xxx_handle_data, 15728c2ecf20Sopenharmony_ci .handle_tmr = tcm_qla2xxx_handle_tmr, 15738c2ecf20Sopenharmony_ci .get_cmd = tcm_qla2xxx_get_cmd, 15748c2ecf20Sopenharmony_ci .rel_cmd = tcm_qla2xxx_rel_cmd, 15758c2ecf20Sopenharmony_ci .free_cmd = tcm_qla2xxx_free_cmd, 15768c2ecf20Sopenharmony_ci .free_mcmd = tcm_qla2xxx_free_mcmd, 15778c2ecf20Sopenharmony_ci .free_session = tcm_qla2xxx_free_session, 15788c2ecf20Sopenharmony_ci .update_sess = tcm_qla2xxx_update_sess, 15798c2ecf20Sopenharmony_ci .check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl, 15808c2ecf20Sopenharmony_ci .find_sess_by_s_id = tcm_qla2xxx_find_sess_by_s_id, 15818c2ecf20Sopenharmony_ci .find_sess_by_loop_id = tcm_qla2xxx_find_sess_by_loop_id, 15828c2ecf20Sopenharmony_ci .clear_nacl_from_fcport_map = tcm_qla2xxx_clear_nacl_from_fcport_map, 15838c2ecf20Sopenharmony_ci .put_sess = tcm_qla2xxx_put_sess, 15848c2ecf20Sopenharmony_ci .shutdown_sess = tcm_qla2xxx_shutdown_sess, 15858c2ecf20Sopenharmony_ci .get_dif_tags = tcm_qla2xxx_dif_tags, 15868c2ecf20Sopenharmony_ci .chk_dif_tags = tcm_qla2xxx_chk_dif_tags, 15878c2ecf20Sopenharmony_ci}; 15888c2ecf20Sopenharmony_ci 15898c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport) 15908c2ecf20Sopenharmony_ci{ 15918c2ecf20Sopenharmony_ci int rc; 15928c2ecf20Sopenharmony_ci 15938c2ecf20Sopenharmony_ci rc = btree_init32(&lport->lport_fcport_map); 15948c2ecf20Sopenharmony_ci if (rc) { 15958c2ecf20Sopenharmony_ci pr_err("Unable to initialize lport->lport_fcport_map btree\n"); 15968c2ecf20Sopenharmony_ci return rc; 15978c2ecf20Sopenharmony_ci } 15988c2ecf20Sopenharmony_ci 15998c2ecf20Sopenharmony_ci lport->lport_loopid_map = 16008c2ecf20Sopenharmony_ci vzalloc(array_size(65536, 16018c2ecf20Sopenharmony_ci sizeof(struct tcm_qla2xxx_fc_loopid))); 16028c2ecf20Sopenharmony_ci if (!lport->lport_loopid_map) { 16038c2ecf20Sopenharmony_ci pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n", 16048c2ecf20Sopenharmony_ci sizeof(struct tcm_qla2xxx_fc_loopid) * 65536); 16058c2ecf20Sopenharmony_ci btree_destroy32(&lport->lport_fcport_map); 16068c2ecf20Sopenharmony_ci return -ENOMEM; 16078c2ecf20Sopenharmony_ci } 16088c2ecf20Sopenharmony_ci pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n", 16098c2ecf20Sopenharmony_ci sizeof(struct tcm_qla2xxx_fc_loopid) * 65536); 16108c2ecf20Sopenharmony_ci return 0; 16118c2ecf20Sopenharmony_ci} 16128c2ecf20Sopenharmony_ci 16138c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha, 16148c2ecf20Sopenharmony_ci void *target_lport_ptr, 16158c2ecf20Sopenharmony_ci u64 npiv_wwpn, u64 npiv_wwnn) 16168c2ecf20Sopenharmony_ci{ 16178c2ecf20Sopenharmony_ci struct qla_hw_data *ha = vha->hw; 16188c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = 16198c2ecf20Sopenharmony_ci (struct tcm_qla2xxx_lport *)target_lport_ptr; 16208c2ecf20Sopenharmony_ci /* 16218c2ecf20Sopenharmony_ci * Setup tgt_ops, local pointer to vha and target_lport_ptr 16228c2ecf20Sopenharmony_ci */ 16238c2ecf20Sopenharmony_ci ha->tgt.tgt_ops = &tcm_qla2xxx_template; 16248c2ecf20Sopenharmony_ci vha->vha_tgt.target_lport_ptr = target_lport_ptr; 16258c2ecf20Sopenharmony_ci lport->qla_vha = vha; 16268c2ecf20Sopenharmony_ci 16278c2ecf20Sopenharmony_ci return 0; 16288c2ecf20Sopenharmony_ci} 16298c2ecf20Sopenharmony_ci 16308c2ecf20Sopenharmony_cistatic struct se_wwn *tcm_qla2xxx_make_lport( 16318c2ecf20Sopenharmony_ci struct target_fabric_configfs *tf, 16328c2ecf20Sopenharmony_ci struct config_group *group, 16338c2ecf20Sopenharmony_ci const char *name) 16348c2ecf20Sopenharmony_ci{ 16358c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 16368c2ecf20Sopenharmony_ci u64 wwpn; 16378c2ecf20Sopenharmony_ci int ret = -ENODEV; 16388c2ecf20Sopenharmony_ci 16398c2ecf20Sopenharmony_ci if (tcm_qla2xxx_parse_wwn(name, &wwpn, 1) < 0) 16408c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 16418c2ecf20Sopenharmony_ci 16428c2ecf20Sopenharmony_ci lport = kzalloc(sizeof(struct tcm_qla2xxx_lport), GFP_KERNEL); 16438c2ecf20Sopenharmony_ci if (!lport) { 16448c2ecf20Sopenharmony_ci pr_err("Unable to allocate struct tcm_qla2xxx_lport\n"); 16458c2ecf20Sopenharmony_ci return ERR_PTR(-ENOMEM); 16468c2ecf20Sopenharmony_ci } 16478c2ecf20Sopenharmony_ci lport->lport_wwpn = wwpn; 16488c2ecf20Sopenharmony_ci tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN, 16498c2ecf20Sopenharmony_ci wwpn); 16508c2ecf20Sopenharmony_ci sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) wwpn); 16518c2ecf20Sopenharmony_ci 16528c2ecf20Sopenharmony_ci ret = tcm_qla2xxx_init_lport(lport); 16538c2ecf20Sopenharmony_ci if (ret != 0) 16548c2ecf20Sopenharmony_ci goto out; 16558c2ecf20Sopenharmony_ci 16568c2ecf20Sopenharmony_ci ret = qlt_lport_register(lport, wwpn, 0, 0, 16578c2ecf20Sopenharmony_ci tcm_qla2xxx_lport_register_cb); 16588c2ecf20Sopenharmony_ci if (ret != 0) 16598c2ecf20Sopenharmony_ci goto out_lport; 16608c2ecf20Sopenharmony_ci 16618c2ecf20Sopenharmony_ci return &lport->lport_wwn; 16628c2ecf20Sopenharmony_ciout_lport: 16638c2ecf20Sopenharmony_ci vfree(lport->lport_loopid_map); 16648c2ecf20Sopenharmony_ci btree_destroy32(&lport->lport_fcport_map); 16658c2ecf20Sopenharmony_ciout: 16668c2ecf20Sopenharmony_ci kfree(lport); 16678c2ecf20Sopenharmony_ci return ERR_PTR(ret); 16688c2ecf20Sopenharmony_ci} 16698c2ecf20Sopenharmony_ci 16708c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_drop_lport(struct se_wwn *wwn) 16718c2ecf20Sopenharmony_ci{ 16728c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(wwn, 16738c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 16748c2ecf20Sopenharmony_ci struct scsi_qla_host *vha = lport->qla_vha; 16758c2ecf20Sopenharmony_ci struct se_node_acl *node; 16768c2ecf20Sopenharmony_ci u32 key = 0; 16778c2ecf20Sopenharmony_ci 16788c2ecf20Sopenharmony_ci /* 16798c2ecf20Sopenharmony_ci * Call into qla2x_target.c LLD logic to complete the 16808c2ecf20Sopenharmony_ci * shutdown of struct qla_tgt after the call to 16818c2ecf20Sopenharmony_ci * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above.. 16828c2ecf20Sopenharmony_ci */ 16838c2ecf20Sopenharmony_ci if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stopped) 16848c2ecf20Sopenharmony_ci qlt_stop_phase2(vha->vha_tgt.qla_tgt); 16858c2ecf20Sopenharmony_ci 16868c2ecf20Sopenharmony_ci qlt_lport_deregister(vha); 16878c2ecf20Sopenharmony_ci 16888c2ecf20Sopenharmony_ci vfree(lport->lport_loopid_map); 16898c2ecf20Sopenharmony_ci btree_for_each_safe32(&lport->lport_fcport_map, key, node) 16908c2ecf20Sopenharmony_ci btree_remove32(&lport->lport_fcport_map, key); 16918c2ecf20Sopenharmony_ci btree_destroy32(&lport->lport_fcport_map); 16928c2ecf20Sopenharmony_ci kfree(lport); 16938c2ecf20Sopenharmony_ci} 16948c2ecf20Sopenharmony_ci 16958c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha, 16968c2ecf20Sopenharmony_ci void *target_lport_ptr, 16978c2ecf20Sopenharmony_ci u64 npiv_wwpn, u64 npiv_wwnn) 16988c2ecf20Sopenharmony_ci{ 16998c2ecf20Sopenharmony_ci struct fc_vport *vport; 17008c2ecf20Sopenharmony_ci struct Scsi_Host *sh = base_vha->host; 17018c2ecf20Sopenharmony_ci struct scsi_qla_host *npiv_vha; 17028c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = 17038c2ecf20Sopenharmony_ci (struct tcm_qla2xxx_lport *)target_lport_ptr; 17048c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *base_lport = 17058c2ecf20Sopenharmony_ci (struct tcm_qla2xxx_lport *)base_vha->vha_tgt.target_lport_ptr; 17068c2ecf20Sopenharmony_ci struct fc_vport_identifiers vport_id; 17078c2ecf20Sopenharmony_ci 17088c2ecf20Sopenharmony_ci if (qla_ini_mode_enabled(base_vha)) { 17098c2ecf20Sopenharmony_ci pr_err("qla2xxx base_vha not enabled for target mode\n"); 17108c2ecf20Sopenharmony_ci return -EPERM; 17118c2ecf20Sopenharmony_ci } 17128c2ecf20Sopenharmony_ci 17138c2ecf20Sopenharmony_ci if (!base_lport || !base_lport->tpg_1 || 17148c2ecf20Sopenharmony_ci !atomic_read(&base_lport->tpg_1->lport_tpg_enabled)) { 17158c2ecf20Sopenharmony_ci pr_err("qla2xxx base_lport or tpg_1 not available\n"); 17168c2ecf20Sopenharmony_ci return -EPERM; 17178c2ecf20Sopenharmony_ci } 17188c2ecf20Sopenharmony_ci 17198c2ecf20Sopenharmony_ci memset(&vport_id, 0, sizeof(vport_id)); 17208c2ecf20Sopenharmony_ci vport_id.port_name = npiv_wwpn; 17218c2ecf20Sopenharmony_ci vport_id.node_name = npiv_wwnn; 17228c2ecf20Sopenharmony_ci vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR; 17238c2ecf20Sopenharmony_ci vport_id.vport_type = FC_PORTTYPE_NPIV; 17248c2ecf20Sopenharmony_ci vport_id.disable = false; 17258c2ecf20Sopenharmony_ci 17268c2ecf20Sopenharmony_ci vport = fc_vport_create(sh, 0, &vport_id); 17278c2ecf20Sopenharmony_ci if (!vport) { 17288c2ecf20Sopenharmony_ci pr_err("fc_vport_create failed for qla2xxx_npiv\n"); 17298c2ecf20Sopenharmony_ci return -ENODEV; 17308c2ecf20Sopenharmony_ci } 17318c2ecf20Sopenharmony_ci /* 17328c2ecf20Sopenharmony_ci * Setup local pointer to NPIV vhba + target_lport_ptr 17338c2ecf20Sopenharmony_ci */ 17348c2ecf20Sopenharmony_ci npiv_vha = (struct scsi_qla_host *)vport->dd_data; 17358c2ecf20Sopenharmony_ci npiv_vha->vha_tgt.target_lport_ptr = target_lport_ptr; 17368c2ecf20Sopenharmony_ci lport->qla_vha = npiv_vha; 17378c2ecf20Sopenharmony_ci scsi_host_get(npiv_vha->host); 17388c2ecf20Sopenharmony_ci return 0; 17398c2ecf20Sopenharmony_ci} 17408c2ecf20Sopenharmony_ci 17418c2ecf20Sopenharmony_ci 17428c2ecf20Sopenharmony_cistatic struct se_wwn *tcm_qla2xxx_npiv_make_lport( 17438c2ecf20Sopenharmony_ci struct target_fabric_configfs *tf, 17448c2ecf20Sopenharmony_ci struct config_group *group, 17458c2ecf20Sopenharmony_ci const char *name) 17468c2ecf20Sopenharmony_ci{ 17478c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport; 17488c2ecf20Sopenharmony_ci u64 phys_wwpn, npiv_wwpn, npiv_wwnn; 17498c2ecf20Sopenharmony_ci char *p, tmp[128]; 17508c2ecf20Sopenharmony_ci int ret; 17518c2ecf20Sopenharmony_ci 17528c2ecf20Sopenharmony_ci snprintf(tmp, 128, "%s", name); 17538c2ecf20Sopenharmony_ci 17548c2ecf20Sopenharmony_ci p = strchr(tmp, '@'); 17558c2ecf20Sopenharmony_ci if (!p) { 17568c2ecf20Sopenharmony_ci pr_err("Unable to locate NPIV '@' separator\n"); 17578c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 17588c2ecf20Sopenharmony_ci } 17598c2ecf20Sopenharmony_ci *p++ = '\0'; 17608c2ecf20Sopenharmony_ci 17618c2ecf20Sopenharmony_ci if (tcm_qla2xxx_parse_wwn(tmp, &phys_wwpn, 1) < 0) 17628c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 17638c2ecf20Sopenharmony_ci 17648c2ecf20Sopenharmony_ci if (tcm_qla2xxx_npiv_parse_wwn(p, strlen(p)+1, 17658c2ecf20Sopenharmony_ci &npiv_wwpn, &npiv_wwnn) < 0) 17668c2ecf20Sopenharmony_ci return ERR_PTR(-EINVAL); 17678c2ecf20Sopenharmony_ci 17688c2ecf20Sopenharmony_ci lport = kzalloc(sizeof(struct tcm_qla2xxx_lport), GFP_KERNEL); 17698c2ecf20Sopenharmony_ci if (!lport) { 17708c2ecf20Sopenharmony_ci pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n"); 17718c2ecf20Sopenharmony_ci return ERR_PTR(-ENOMEM); 17728c2ecf20Sopenharmony_ci } 17738c2ecf20Sopenharmony_ci lport->lport_npiv_wwpn = npiv_wwpn; 17748c2ecf20Sopenharmony_ci lport->lport_npiv_wwnn = npiv_wwnn; 17758c2ecf20Sopenharmony_ci sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn); 17768c2ecf20Sopenharmony_ci 17778c2ecf20Sopenharmony_ci ret = tcm_qla2xxx_init_lport(lport); 17788c2ecf20Sopenharmony_ci if (ret != 0) 17798c2ecf20Sopenharmony_ci goto out; 17808c2ecf20Sopenharmony_ci 17818c2ecf20Sopenharmony_ci ret = qlt_lport_register(lport, phys_wwpn, npiv_wwpn, npiv_wwnn, 17828c2ecf20Sopenharmony_ci tcm_qla2xxx_lport_register_npiv_cb); 17838c2ecf20Sopenharmony_ci if (ret != 0) 17848c2ecf20Sopenharmony_ci goto out_lport; 17858c2ecf20Sopenharmony_ci 17868c2ecf20Sopenharmony_ci return &lport->lport_wwn; 17878c2ecf20Sopenharmony_ciout_lport: 17888c2ecf20Sopenharmony_ci vfree(lport->lport_loopid_map); 17898c2ecf20Sopenharmony_ci btree_destroy32(&lport->lport_fcport_map); 17908c2ecf20Sopenharmony_ciout: 17918c2ecf20Sopenharmony_ci kfree(lport); 17928c2ecf20Sopenharmony_ci return ERR_PTR(ret); 17938c2ecf20Sopenharmony_ci} 17948c2ecf20Sopenharmony_ci 17958c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_npiv_drop_lport(struct se_wwn *wwn) 17968c2ecf20Sopenharmony_ci{ 17978c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport *lport = container_of(wwn, 17988c2ecf20Sopenharmony_ci struct tcm_qla2xxx_lport, lport_wwn); 17998c2ecf20Sopenharmony_ci struct scsi_qla_host *npiv_vha = lport->qla_vha; 18008c2ecf20Sopenharmony_ci struct qla_hw_data *ha = npiv_vha->hw; 18018c2ecf20Sopenharmony_ci scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 18028c2ecf20Sopenharmony_ci 18038c2ecf20Sopenharmony_ci scsi_host_put(npiv_vha->host); 18048c2ecf20Sopenharmony_ci /* 18058c2ecf20Sopenharmony_ci * Notify libfc that we want to release the vha->fc_vport 18068c2ecf20Sopenharmony_ci */ 18078c2ecf20Sopenharmony_ci fc_vport_terminate(npiv_vha->fc_vport); 18088c2ecf20Sopenharmony_ci scsi_host_put(base_vha->host); 18098c2ecf20Sopenharmony_ci kfree(lport); 18108c2ecf20Sopenharmony_ci} 18118c2ecf20Sopenharmony_ci 18128c2ecf20Sopenharmony_ci 18138c2ecf20Sopenharmony_cistatic ssize_t tcm_qla2xxx_wwn_version_show(struct config_item *item, 18148c2ecf20Sopenharmony_ci char *page) 18158c2ecf20Sopenharmony_ci{ 18168c2ecf20Sopenharmony_ci return sprintf(page, 18178c2ecf20Sopenharmony_ci "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on %s\n", 18188c2ecf20Sopenharmony_ci QLA2XXX_VERSION, utsname()->sysname, 18198c2ecf20Sopenharmony_ci utsname()->machine, utsname()->release); 18208c2ecf20Sopenharmony_ci} 18218c2ecf20Sopenharmony_ci 18228c2ecf20Sopenharmony_ciCONFIGFS_ATTR_RO(tcm_qla2xxx_wwn_, version); 18238c2ecf20Sopenharmony_ci 18248c2ecf20Sopenharmony_cistatic struct configfs_attribute *tcm_qla2xxx_wwn_attrs[] = { 18258c2ecf20Sopenharmony_ci &tcm_qla2xxx_wwn_attr_version, 18268c2ecf20Sopenharmony_ci NULL, 18278c2ecf20Sopenharmony_ci}; 18288c2ecf20Sopenharmony_ci 18298c2ecf20Sopenharmony_cistatic const struct target_core_fabric_ops tcm_qla2xxx_ops = { 18308c2ecf20Sopenharmony_ci .module = THIS_MODULE, 18318c2ecf20Sopenharmony_ci .fabric_name = "qla2xxx", 18328c2ecf20Sopenharmony_ci .node_acl_size = sizeof(struct tcm_qla2xxx_nacl), 18338c2ecf20Sopenharmony_ci /* 18348c2ecf20Sopenharmony_ci * XXX: Limit assumes single page per scatter-gather-list entry. 18358c2ecf20Sopenharmony_ci * Current maximum is ~4.9 MB per se_cmd->t_data_sg with PAGE_SIZE=4096 18368c2ecf20Sopenharmony_ci */ 18378c2ecf20Sopenharmony_ci .max_data_sg_nents = 1200, 18388c2ecf20Sopenharmony_ci .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn, 18398c2ecf20Sopenharmony_ci .tpg_get_tag = tcm_qla2xxx_get_tag, 18408c2ecf20Sopenharmony_ci .tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode, 18418c2ecf20Sopenharmony_ci .tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache, 18428c2ecf20Sopenharmony_ci .tpg_check_demo_mode_write_protect = 18438c2ecf20Sopenharmony_ci tcm_qla2xxx_check_demo_write_protect, 18448c2ecf20Sopenharmony_ci .tpg_check_prod_mode_write_protect = 18458c2ecf20Sopenharmony_ci tcm_qla2xxx_check_prod_write_protect, 18468c2ecf20Sopenharmony_ci .tpg_check_prot_fabric_only = tcm_qla2xxx_check_prot_fabric_only, 18478c2ecf20Sopenharmony_ci .tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only, 18488c2ecf20Sopenharmony_ci .tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index, 18498c2ecf20Sopenharmony_ci .check_stop_free = tcm_qla2xxx_check_stop_free, 18508c2ecf20Sopenharmony_ci .release_cmd = tcm_qla2xxx_release_cmd, 18518c2ecf20Sopenharmony_ci .close_session = tcm_qla2xxx_close_session, 18528c2ecf20Sopenharmony_ci .sess_get_index = tcm_qla2xxx_sess_get_index, 18538c2ecf20Sopenharmony_ci .sess_get_initiator_sid = NULL, 18548c2ecf20Sopenharmony_ci .write_pending = tcm_qla2xxx_write_pending, 18558c2ecf20Sopenharmony_ci .set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs, 18568c2ecf20Sopenharmony_ci .get_cmd_state = tcm_qla2xxx_get_cmd_state, 18578c2ecf20Sopenharmony_ci .queue_data_in = tcm_qla2xxx_queue_data_in, 18588c2ecf20Sopenharmony_ci .queue_status = tcm_qla2xxx_queue_status, 18598c2ecf20Sopenharmony_ci .queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp, 18608c2ecf20Sopenharmony_ci .aborted_task = tcm_qla2xxx_aborted_task, 18618c2ecf20Sopenharmony_ci /* 18628c2ecf20Sopenharmony_ci * Setup function pointers for generic logic in 18638c2ecf20Sopenharmony_ci * target_core_fabric_configfs.c 18648c2ecf20Sopenharmony_ci */ 18658c2ecf20Sopenharmony_ci .fabric_make_wwn = tcm_qla2xxx_make_lport, 18668c2ecf20Sopenharmony_ci .fabric_drop_wwn = tcm_qla2xxx_drop_lport, 18678c2ecf20Sopenharmony_ci .fabric_make_tpg = tcm_qla2xxx_make_tpg, 18688c2ecf20Sopenharmony_ci .fabric_drop_tpg = tcm_qla2xxx_drop_tpg, 18698c2ecf20Sopenharmony_ci .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl, 18708c2ecf20Sopenharmony_ci 18718c2ecf20Sopenharmony_ci .tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs, 18728c2ecf20Sopenharmony_ci .tfc_tpg_base_attrs = tcm_qla2xxx_tpg_attrs, 18738c2ecf20Sopenharmony_ci .tfc_tpg_attrib_attrs = tcm_qla2xxx_tpg_attrib_attrs, 18748c2ecf20Sopenharmony_ci}; 18758c2ecf20Sopenharmony_ci 18768c2ecf20Sopenharmony_cistatic const struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = { 18778c2ecf20Sopenharmony_ci .module = THIS_MODULE, 18788c2ecf20Sopenharmony_ci .fabric_name = "qla2xxx_npiv", 18798c2ecf20Sopenharmony_ci .node_acl_size = sizeof(struct tcm_qla2xxx_nacl), 18808c2ecf20Sopenharmony_ci .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn, 18818c2ecf20Sopenharmony_ci .tpg_get_tag = tcm_qla2xxx_get_tag, 18828c2ecf20Sopenharmony_ci .tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode, 18838c2ecf20Sopenharmony_ci .tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache, 18848c2ecf20Sopenharmony_ci .tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_demo_mode, 18858c2ecf20Sopenharmony_ci .tpg_check_prod_mode_write_protect = 18868c2ecf20Sopenharmony_ci tcm_qla2xxx_check_prod_write_protect, 18878c2ecf20Sopenharmony_ci .tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only, 18888c2ecf20Sopenharmony_ci .tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index, 18898c2ecf20Sopenharmony_ci .check_stop_free = tcm_qla2xxx_check_stop_free, 18908c2ecf20Sopenharmony_ci .release_cmd = tcm_qla2xxx_release_cmd, 18918c2ecf20Sopenharmony_ci .close_session = tcm_qla2xxx_close_session, 18928c2ecf20Sopenharmony_ci .sess_get_index = tcm_qla2xxx_sess_get_index, 18938c2ecf20Sopenharmony_ci .sess_get_initiator_sid = NULL, 18948c2ecf20Sopenharmony_ci .write_pending = tcm_qla2xxx_write_pending, 18958c2ecf20Sopenharmony_ci .set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs, 18968c2ecf20Sopenharmony_ci .get_cmd_state = tcm_qla2xxx_get_cmd_state, 18978c2ecf20Sopenharmony_ci .queue_data_in = tcm_qla2xxx_queue_data_in, 18988c2ecf20Sopenharmony_ci .queue_status = tcm_qla2xxx_queue_status, 18998c2ecf20Sopenharmony_ci .queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp, 19008c2ecf20Sopenharmony_ci .aborted_task = tcm_qla2xxx_aborted_task, 19018c2ecf20Sopenharmony_ci /* 19028c2ecf20Sopenharmony_ci * Setup function pointers for generic logic in 19038c2ecf20Sopenharmony_ci * target_core_fabric_configfs.c 19048c2ecf20Sopenharmony_ci */ 19058c2ecf20Sopenharmony_ci .fabric_make_wwn = tcm_qla2xxx_npiv_make_lport, 19068c2ecf20Sopenharmony_ci .fabric_drop_wwn = tcm_qla2xxx_npiv_drop_lport, 19078c2ecf20Sopenharmony_ci .fabric_make_tpg = tcm_qla2xxx_npiv_make_tpg, 19088c2ecf20Sopenharmony_ci .fabric_drop_tpg = tcm_qla2xxx_drop_tpg, 19098c2ecf20Sopenharmony_ci .fabric_init_nodeacl = tcm_qla2xxx_init_nodeacl, 19108c2ecf20Sopenharmony_ci 19118c2ecf20Sopenharmony_ci .tfc_wwn_attrs = tcm_qla2xxx_wwn_attrs, 19128c2ecf20Sopenharmony_ci .tfc_tpg_base_attrs = tcm_qla2xxx_npiv_tpg_attrs, 19138c2ecf20Sopenharmony_ci}; 19148c2ecf20Sopenharmony_ci 19158c2ecf20Sopenharmony_cistatic int tcm_qla2xxx_register_configfs(void) 19168c2ecf20Sopenharmony_ci{ 19178c2ecf20Sopenharmony_ci int ret; 19188c2ecf20Sopenharmony_ci 19198c2ecf20Sopenharmony_ci pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on %s\n", 19208c2ecf20Sopenharmony_ci QLA2XXX_VERSION, utsname()->sysname, 19218c2ecf20Sopenharmony_ci utsname()->machine, utsname()->release); 19228c2ecf20Sopenharmony_ci 19238c2ecf20Sopenharmony_ci ret = target_register_template(&tcm_qla2xxx_ops); 19248c2ecf20Sopenharmony_ci if (ret) 19258c2ecf20Sopenharmony_ci return ret; 19268c2ecf20Sopenharmony_ci 19278c2ecf20Sopenharmony_ci ret = target_register_template(&tcm_qla2xxx_npiv_ops); 19288c2ecf20Sopenharmony_ci if (ret) 19298c2ecf20Sopenharmony_ci goto out_fabric; 19308c2ecf20Sopenharmony_ci 19318c2ecf20Sopenharmony_ci tcm_qla2xxx_free_wq = alloc_workqueue("tcm_qla2xxx_free", 19328c2ecf20Sopenharmony_ci WQ_MEM_RECLAIM, 0); 19338c2ecf20Sopenharmony_ci if (!tcm_qla2xxx_free_wq) { 19348c2ecf20Sopenharmony_ci ret = -ENOMEM; 19358c2ecf20Sopenharmony_ci goto out_fabric_npiv; 19368c2ecf20Sopenharmony_ci } 19378c2ecf20Sopenharmony_ci 19388c2ecf20Sopenharmony_ci return 0; 19398c2ecf20Sopenharmony_ci 19408c2ecf20Sopenharmony_ciout_fabric_npiv: 19418c2ecf20Sopenharmony_ci target_unregister_template(&tcm_qla2xxx_npiv_ops); 19428c2ecf20Sopenharmony_ciout_fabric: 19438c2ecf20Sopenharmony_ci target_unregister_template(&tcm_qla2xxx_ops); 19448c2ecf20Sopenharmony_ci return ret; 19458c2ecf20Sopenharmony_ci} 19468c2ecf20Sopenharmony_ci 19478c2ecf20Sopenharmony_cistatic void tcm_qla2xxx_deregister_configfs(void) 19488c2ecf20Sopenharmony_ci{ 19498c2ecf20Sopenharmony_ci destroy_workqueue(tcm_qla2xxx_free_wq); 19508c2ecf20Sopenharmony_ci 19518c2ecf20Sopenharmony_ci target_unregister_template(&tcm_qla2xxx_ops); 19528c2ecf20Sopenharmony_ci target_unregister_template(&tcm_qla2xxx_npiv_ops); 19538c2ecf20Sopenharmony_ci} 19548c2ecf20Sopenharmony_ci 19558c2ecf20Sopenharmony_cistatic int __init tcm_qla2xxx_init(void) 19568c2ecf20Sopenharmony_ci{ 19578c2ecf20Sopenharmony_ci int ret; 19588c2ecf20Sopenharmony_ci 19598c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct abts_recv_from_24xx) != 64); 19608c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct abts_resp_from_24xx_fw) != 64); 19618c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct atio7_fcp_cmnd) != 32); 19628c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct atio_from_isp) != 64); 19638c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ba_acc_le) != 12); 19648c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ba_rjt_le) != 4); 19658c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ctio7_from_24xx) != 64); 19668c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ctio7_to_24xx) != 64); 19678c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64); 19688c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ctio_crc_from_fw) != 64); 19698c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct ctio_to_2xxx) != 64); 19708c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct fcp_hdr) != 24); 19718c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct fcp_hdr_le) != 24); 19728c2ecf20Sopenharmony_ci BUILD_BUG_ON(sizeof(struct nack_to_isp) != 64); 19738c2ecf20Sopenharmony_ci 19748c2ecf20Sopenharmony_ci ret = tcm_qla2xxx_register_configfs(); 19758c2ecf20Sopenharmony_ci if (ret < 0) 19768c2ecf20Sopenharmony_ci return ret; 19778c2ecf20Sopenharmony_ci 19788c2ecf20Sopenharmony_ci return 0; 19798c2ecf20Sopenharmony_ci} 19808c2ecf20Sopenharmony_ci 19818c2ecf20Sopenharmony_cistatic void __exit tcm_qla2xxx_exit(void) 19828c2ecf20Sopenharmony_ci{ 19838c2ecf20Sopenharmony_ci tcm_qla2xxx_deregister_configfs(); 19848c2ecf20Sopenharmony_ci} 19858c2ecf20Sopenharmony_ci 19868c2ecf20Sopenharmony_ciMODULE_DESCRIPTION("TCM QLA24XX+ series NPIV enabled fabric driver"); 19878c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL"); 19888c2ecf20Sopenharmony_cimodule_init(tcm_qla2xxx_init); 19898c2ecf20Sopenharmony_cimodule_exit(tcm_qla2xxx_exit); 1990