Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (26 commits)
  target: Set additional sense length field in sense data
  target: Remove legacy device status check from transport_execute_tasks
  target: Remove __transport_execute_tasks() for each processing context
  target: Remove extra se_device->execute_task_lock access in fast path
  target: Drop se_device TCQ queue_depth usage from I/O path
  target: Fix possible NULL pointer with __transport_execute_tasks
  target: Remove TFO->check_release_cmd() fabric API caller
  tcm_fc: Convert ft_send_work to use target_submit_cmd
  target: Add target_submit_cmd() for process context fabric submission
  target: Make target_put_sess_cmd use target_release_cmd_kref
  target: Set response format in INQUIRY response
  target: tcm_mod_builder: small fixups
  Documentation/target: Fix tcm_mod_builder.py build breakage
  target: remove overagressive ____cacheline_aligned annoations
  tcm_loop: bump max_sectors
  target/configs: remove trailing newline from udev_path and alias
  iscsi-target: fix chap identifier simple_strtoul usage
  target: remove useless casts
  target: simplify target_check_cdb_and_preempt
  target: Move core_scsi3_check_cdb_abort_and_preempt
  ...

drivers/target/iscsi/iscsi_target.c

@@ -27,8 +27,7 @@
 #include <scsi/scsi_device.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_parameters.h"
@@ -284,8 +283,8 @@ static struct iscsi_np *iscsit_get_np(
 			sock_in6 = (struct sockaddr_in6 *)sockaddr;
 			sock_in6_e = (struct sockaddr_in6 *)&np->np_sockaddr;
 
-			if (!memcmp((void *)&sock_in6->sin6_addr.in6_u,
-				    (void *)&sock_in6_e->sin6_addr.in6_u,
+			if (!memcmp(&sock_in6->sin6_addr.in6_u,
+				    &sock_in6_e->sin6_addr.in6_u,
 				    sizeof(struct in6_addr)))
 				ip_match = 1;
 
@@ -1225,7 +1224,7 @@ static void iscsit_do_crypto_hash_buf(
 
 	crypto_hash_init(hash);
 
-	sg_init_one(&sg, (u8 *)buf, payload_length);
+	sg_init_one(&sg, buf, payload_length);
 	crypto_hash_update(hash, &sg, payload_length);
 
 	if (padding) {
@@ -1603,7 +1602,7 @@ static int iscsit_handle_nop_out(
 		/*
 		 * Attach ping data to struct iscsi_cmd->buf_ptr.
 		 */
-		cmd->buf_ptr = (void *)ping_data;
+		cmd->buf_ptr = ping_data;
 		cmd->buf_ptr_size = payload_length;
 
 		pr_debug("Got %u bytes of NOPOUT ping"
@@ -3197,7 +3196,7 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 			end_of_buf = 1;
 			goto eob;
 		}
-		memcpy((void *)payload + payload_len, buf, len);
+		memcpy(payload + payload_len, buf, len);
 		payload_len += len;
 
 		spin_lock(&tiqn->tiqn_tpg_lock);
@@ -3229,7 +3228,7 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
 					end_of_buf = 1;
 					goto eob;
 				}
-				memcpy((void *)payload + payload_len, buf, len);
+				memcpy(payload + payload_len, buf, len);
 				payload_len += len;
 			}
 			spin_unlock(&tpg->tpg_np_lock);
@@ -3486,7 +3485,7 @@ int iscsi_target_tx_thread(void *arg)
 	struct iscsi_conn *conn;
 	struct iscsi_queue_req *qr = NULL;
 	struct se_cmd *se_cmd;
-	struct iscsi_thread_set *ts = (struct iscsi_thread_set *)arg;
+	struct iscsi_thread_set *ts = arg;
 	/*
 	 * Allow ourselves to be interrupted by SIGINT so that a
 	 * connection recovery / failure event can be triggered externally.
@@ -3775,7 +3774,7 @@ int iscsi_target_rx_thread(void *arg)
 	u8 buffer[ISCSI_HDR_LEN], opcode;
 	u32 checksum = 0, digest = 0;
 	struct iscsi_conn *conn = NULL;
-	struct iscsi_thread_set *ts = (struct iscsi_thread_set *)arg;
+	struct iscsi_thread_set *ts = arg;
 	struct kvec iov;
 	/*
 	 * Allow ourselves to be interrupted by SIGINT so that a

drivers/target/iscsi/iscsi_target_auth.c

@@ -82,7 +82,7 @@ static void chap_gen_challenge(
 	unsigned int *c_len)
 {
 	unsigned char challenge_asciihex[CHAP_CHALLENGE_LENGTH * 2 + 1];
-	struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+	struct iscsi_chap *chap = conn->auth_protocol;
 
 	memset(challenge_asciihex, 0, CHAP_CHALLENGE_LENGTH * 2 + 1);
 
@@ -120,7 +120,7 @@ static struct iscsi_chap *chap_server_open(
 	if (!conn->auth_protocol)
 		return NULL;
 
-	chap = (struct iscsi_chap *) conn->auth_protocol;
+	chap = conn->auth_protocol;
 	/*
 	 * We only support MD5 MDA presently.
 	 */
@@ -165,14 +165,15 @@ static int chap_server_compute_md5(
 	unsigned int *nr_out_len)
 {
 	char *endptr;
-	unsigned char id, digest[MD5_SIGNATURE_SIZE];
+	unsigned long id;
+	unsigned char digest[MD5_SIGNATURE_SIZE];
 	unsigned char type, response[MD5_SIGNATURE_SIZE * 2 + 2];
 	unsigned char identifier[10], *challenge = NULL;
 	unsigned char *challenge_binhex = NULL;
 	unsigned char client_digest[MD5_SIGNATURE_SIZE];
 	unsigned char server_digest[MD5_SIGNATURE_SIZE];
 	unsigned char chap_n[MAX_CHAP_N_SIZE], chap_r[MAX_RESPONSE_LENGTH];
-	struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+	struct iscsi_chap *chap = conn->auth_protocol;
 	struct crypto_hash *tfm;
 	struct hash_desc desc;
 	struct scatterlist sg;
@@ -246,7 +247,7 @@ static int chap_server_compute_md5(
 		goto out;
 	}
 
-	sg_init_one(&sg, (void *)&chap->id, 1);
+	sg_init_one(&sg, &chap->id, 1);
 	ret = crypto_hash_update(&desc, &sg, 1);
 	if (ret < 0) {
 		pr_err("crypto_hash_update() failed for id\n");
@@ -254,7 +255,7 @@ static int chap_server_compute_md5(
 		goto out;
 	}
 
-	sg_init_one(&sg, (void *)&auth->password, strlen(auth->password));
+	sg_init_one(&sg, &auth->password, strlen(auth->password));
 	ret = crypto_hash_update(&desc, &sg, strlen(auth->password));
 	if (ret < 0) {
 		pr_err("crypto_hash_update() failed for password\n");
@@ -262,7 +263,7 @@ static int chap_server_compute_md5(
 		goto out;
 	}
 
-	sg_init_one(&sg, (void *)chap->challenge, CHAP_CHALLENGE_LENGTH);
+	sg_init_one(&sg, chap->challenge, CHAP_CHALLENGE_LENGTH);
 	ret = crypto_hash_update(&desc, &sg, CHAP_CHALLENGE_LENGTH);
 	if (ret < 0) {
 		pr_err("crypto_hash_update() failed for challenge\n");
@@ -305,14 +306,17 @@ static int chap_server_compute_md5(
 	}
 
 	if (type == HEX)
-		id = (unsigned char)simple_strtoul((char *)&identifier[2],
-					&endptr, 0);
+		id = simple_strtoul(&identifier[2], &endptr, 0);
 	else
-		id = (unsigned char)simple_strtoul(identifier, &endptr, 0);
+		id = simple_strtoul(identifier, &endptr, 0);
+	if (id > 255) {
+		pr_err("chap identifier: %lu greater than 255\n", id);
+		goto out;
+	}
 	/*
 	 * RFC 1994 says Identifier is no more than octet (8 bits).
 	 */
-	pr_debug("[server] Got CHAP_I=%d\n", id);
+	pr_debug("[server] Got CHAP_I=%lu\n", id);
 	/*
 	 * Get CHAP_C.
 	 */
@@ -351,7 +355,7 @@ static int chap_server_compute_md5(
 		goto out;
 	}
 
-	sg_init_one(&sg, (void *)&id, 1);
+	sg_init_one(&sg, &id, 1);
 	ret = crypto_hash_update(&desc, &sg, 1);
 	if (ret < 0) {
 		pr_err("crypto_hash_update() failed for id\n");
@@ -359,7 +363,7 @@ static int chap_server_compute_md5(
 		goto out;
 	}
 
-	sg_init_one(&sg, (void *)auth->password_mutual,
+	sg_init_one(&sg, auth->password_mutual,
 				strlen(auth->password_mutual));
 	ret = crypto_hash_update(&desc, &sg, strlen(auth->password_mutual));
 	if (ret < 0) {
@@ -371,7 +375,7 @@ static int chap_server_compute_md5(
 	/*
 	 * Convert received challenge to binary hex.
 	 */
-	sg_init_one(&sg, (void *)challenge_binhex, challenge_len);
+	sg_init_one(&sg, challenge_binhex, challenge_len);
 	ret = crypto_hash_update(&desc, &sg, challenge_len);
 	if (ret < 0) {
 		pr_err("crypto_hash_update() failed for ma challenge\n");
@@ -414,7 +418,7 @@ static int chap_got_response(
 	char *nr_out_ptr,
 	unsigned int *nr_out_len)
 {
-	struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+	struct iscsi_chap *chap = conn->auth_protocol;
 
 	switch (chap->digest_type) {
 	case CHAP_DIGEST_MD5:
@@ -437,7 +441,7 @@ u32 chap_main_loop(
 	int *in_len,
 	int *out_len)
 {
-	struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+	struct iscsi_chap *chap = conn->auth_protocol;
 
 	if (!chap) {
 		chap = chap_server_open(conn, auth, in_text, out_text, out_len);

drivers/target/iscsi/iscsi_target_configfs.c

@@ -22,12 +22,8 @@
 #include <linux/configfs.h>
 #include <linux/export.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 
@@ -56,8 +52,7 @@ struct iscsi_portal_group *lio_get_tpg_from_tpg_item(
 {
 	struct se_portal_group *se_tpg = container_of(to_config_group(item),
 					struct se_portal_group, tpg_group);
-	struct iscsi_portal_group *tpg =
-			(struct iscsi_portal_group *)se_tpg->se_tpg_fabric_ptr;
+	struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
 	int ret;
 
 	if (!tpg) {
@@ -1225,7 +1220,7 @@ struct se_portal_group *lio_target_tiqn_addtpg(
 
 	ret = core_tpg_register(
 			&lio_target_fabric_configfs->tf_ops,
-			wwn, &tpg->tpg_se_tpg, (void *)tpg,
+			wwn, &tpg->tpg_se_tpg, tpg,
 			TRANSPORT_TPG_TYPE_NORMAL);
 	if (ret < 0)
 		return NULL;

drivers/target/iscsi/iscsi_target_device.c

@@ -21,8 +21,7 @@
 
 #include <scsi/scsi_device.h>
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_device.h"

drivers/target/iscsi/iscsi_target_erl0.c

@@ -21,7 +21,7 @@
 
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_seq_pdu_list.h"

drivers/target/iscsi/iscsi_target_erl1.c

@@ -21,7 +21,7 @@
 #include <linux/list.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_seq_pdu_list.h"

drivers/target/iscsi/iscsi_target_erl2.c

@@ -21,7 +21,7 @@
 
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_datain_values.h"

drivers/target/iscsi/iscsi_target_login.c

@@ -23,7 +23,7 @@
 #include <linux/crypto.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_tq.h"
@@ -143,7 +143,7 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 	list_for_each_entry_safe(se_sess, se_sess_tmp, &se_tpg->tpg_sess_list,
 			sess_list) {
 
-		sess_p = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess_p = se_sess->fabric_sess_ptr;
 		spin_lock(&sess_p->conn_lock);
 		if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
 		    atomic_read(&sess_p->session_logout) ||
@@ -151,9 +151,9 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
 			spin_unlock(&sess_p->conn_lock);
 			continue;
 		}
-		if (!memcmp((void *)sess_p->isid, (void *)conn->sess->isid, 6) &&
-		   (!strcmp((void *)sess_p->sess_ops->InitiatorName,
-			    (void *)initiatorname_param->value) &&
+		if (!memcmp(sess_p->isid, conn->sess->isid, 6) &&
+		   (!strcmp(sess_p->sess_ops->InitiatorName,
+			    initiatorname_param->value) &&
 		   (sess_p->sess_ops->SessionType == sessiontype))) {
 			atomic_set(&sess_p->session_reinstatement, 1);
 			spin_unlock(&sess_p->conn_lock);
@@ -229,7 +229,7 @@ static int iscsi_login_zero_tsih_s1(
 
 	iscsi_login_set_conn_values(sess, conn, pdu->cid);
 	sess->init_task_tag	= pdu->itt;
-	memcpy((void *)&sess->isid, (void *)pdu->isid, 6);
+	memcpy(&sess->isid, pdu->isid, 6);
 	sess->exp_cmd_sn	= pdu->cmdsn;
 	INIT_LIST_HEAD(&sess->sess_conn_list);
 	INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
@@ -440,8 +440,7 @@ static int iscsi_login_non_zero_tsih_s2(
 		    atomic_read(&sess_p->session_logout) ||
 		   (sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
 			continue;
-		if (!memcmp((const void *)sess_p->isid,
-		     (const void *)pdu->isid, 6) &&
+		if (!memcmp(sess_p->isid, pdu->isid, 6) &&
 		     (sess_p->tsih == pdu->tsih)) {
 			iscsit_inc_session_usage_count(sess_p);
 			iscsit_stop_time2retain_timer(sess_p);
@@ -654,7 +653,7 @@ static int iscsi_post_login_handler(
 
 	spin_lock_bh(&se_tpg->session_lock);
 	__transport_register_session(&sess->tpg->tpg_se_tpg,
-			se_sess->se_node_acl, se_sess, (void *)sess);
+			se_sess->se_node_acl, se_sess, sess);
 	pr_debug("Moving to TARG_SESS_STATE_LOGGED_IN.\n");
 	sess->session_state = TARG_SESS_STATE_LOGGED_IN;
 
@@ -811,7 +810,7 @@ int iscsi_target_setup_login_socket(
 	 * Setup the np->np_sockaddr from the passed sockaddr setup
 	 * in iscsi_target_configfs.c code..
 	 */
-	memcpy((void *)&np->np_sockaddr, (void *)sockaddr,
+	memcpy(&np->np_sockaddr, sockaddr,
 			sizeof(struct __kernel_sockaddr_storage));
 
 	if (sockaddr->ss_family == AF_INET6)
@@ -821,6 +820,7 @@ int iscsi_target_setup_login_socket(
 	/*
 	 * Set SO_REUSEADDR, and disable Nagel Algorithm with TCP_NODELAY.
 	 */
+	/* FIXME: Someone please explain why this is endian-safe */
 	opt = 1;
 	if (np->np_network_transport == ISCSI_TCP) {
 		ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
@@ -832,6 +832,7 @@ int iscsi_target_setup_login_socket(
 		}
 	}
 
+	/* FIXME: Someone please explain why this is endian-safe */
 	ret = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
 			(char *)&opt, sizeof(opt));
 	if (ret < 0) {
@@ -1206,7 +1207,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
 
 int iscsi_target_login_thread(void *arg)
 {
-	struct iscsi_np *np = (struct iscsi_np *)arg;
+	struct iscsi_np *np = arg;
 	int ret;
 
 	allow_signal(SIGINT);

drivers/target/iscsi/iscsi_target_nego.c

@@ -21,7 +21,7 @@
 #include <linux/ctype.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_parameters.h"
@@ -732,7 +732,7 @@ static void iscsi_initiatorname_tolower(
 	u32 iqn_size = strlen(param_buf), i;
 
 	for (i = 0; i < iqn_size; i++) {
-		c = (char *)&param_buf[i];
+		c = &param_buf[i];
 		if (!isupper(*c))
 			continue;
 

drivers/target/iscsi/iscsi_target_nodeattrib.c

@@ -19,7 +19,6 @@
  ******************************************************************************/
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_device.h"
@@ -135,7 +134,7 @@ extern int iscsit_na_nopin_timeout(
 		spin_lock_bh(&se_nacl->nacl_sess_lock);
 		se_sess = se_nacl->nacl_sess;
 		if (se_sess) {
-			sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+			sess = se_sess->fabric_sess_ptr;
 
 			spin_lock(&sess->conn_lock);
 			list_for_each_entry(conn, &sess->sess_conn_list,

drivers/target/iscsi/iscsi_target_stat.c

@@ -23,7 +23,6 @@
 #include <linux/export.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
 #include <target/configfs_macros.h>
 
 #include "iscsi_target_core.h"
@@ -746,7 +745,7 @@ static ssize_t iscsi_stat_sess_show_attr_node(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n",
 				sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
@@ -770,7 +769,7 @@ static ssize_t iscsi_stat_sess_show_attr_indx(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n",
 					sess->session_index);
@@ -794,7 +793,7 @@ static ssize_t iscsi_stat_sess_show_attr_cmd_pdus(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n", sess->cmd_pdus);
 	}
@@ -817,7 +816,7 @@ static ssize_t iscsi_stat_sess_show_attr_rsp_pdus(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n", sess->rsp_pdus);
 	}
@@ -840,7 +839,7 @@ static ssize_t iscsi_stat_sess_show_attr_txdata_octs(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%llu\n",
 				(unsigned long long)sess->tx_data_octets);
@@ -864,7 +863,7 @@ static ssize_t iscsi_stat_sess_show_attr_rxdata_octs(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%llu\n",
 				(unsigned long long)sess->rx_data_octets);
@@ -888,7 +887,7 @@ static ssize_t iscsi_stat_sess_show_attr_conn_digest_errors(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n",
 					sess->conn_digest_errors);
@@ -912,7 +911,7 @@ static ssize_t iscsi_stat_sess_show_attr_conn_timeout_errors(
 	spin_lock_bh(&se_nacl->nacl_sess_lock);
 	se_sess = se_nacl->nacl_sess;
 	if (se_sess) {
-		sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+		sess = se_sess->fabric_sess_ptr;
 		if (sess)
 			ret = snprintf(page, PAGE_SIZE, "%u\n",
 					sess->conn_timeout_errors);

drivers/target/iscsi/iscsi_target_tmr.c

@@ -21,7 +21,7 @@
 #include <asm/unaligned.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_seq_pdu_list.h"

drivers/target/iscsi/iscsi_target_tpg.c

@@ -19,10 +19,8 @@
  ******************************************************************************/
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
-#include <target/target_core_tpg.h>
 
 #include "iscsi_target_core.h"
 #include "iscsi_target_erl0.h"
@@ -72,7 +70,7 @@ int iscsit_load_discovery_tpg(void)
 
 	ret = core_tpg_register(
 			&lio_target_fabric_configfs->tf_ops,
-			NULL, &tpg->tpg_se_tpg, (void *)tpg,
+			NULL, &tpg->tpg_se_tpg, tpg,
 			TRANSPORT_TPG_TYPE_DISCOVERY);
 	if (ret < 0) {
 		kfree(tpg);

drivers/target/iscsi/iscsi_target_util.c

@@ -22,9 +22,7 @@
 #include <scsi/scsi_tcq.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
 #include "iscsi_target_core.h"
@@ -289,7 +287,7 @@ struct iscsi_cmd *iscsit_allocate_se_cmd_for_tmr(
 	}
 
 	se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd,
-				(void *)cmd->tmr_req, tcm_function,
+				cmd->tmr_req, tcm_function,
 				GFP_KERNEL);
 	if (!se_cmd->se_tmr_req)
 		goto out;
@@ -1066,7 +1064,7 @@ static void iscsit_handle_nopin_response_timeout(unsigned long data)
 	if (tiqn) {
 		spin_lock_bh(&tiqn->sess_err_stats.lock);
 		strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
-				(void *)conn->sess->sess_ops->InitiatorName);
+				conn->sess->sess_ops->InitiatorName);
 		tiqn->sess_err_stats.last_sess_failure_type =
 				ISCSI_SESS_ERR_CXN_TIMEOUT;
 		tiqn->sess_err_stats.cxn_timeout_errors++;

drivers/target/loopback/tcm_loop.c

@@ -33,14 +33,9 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
 #include <target/target_core_configfs.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_tmr.h>
 
 #include "tcm_loop.h"
 
@@ -421,11 +416,11 @@ static struct scsi_host_template tcm_loop_driver_template = {
 	.queuecommand		= tcm_loop_queuecommand,
 	.change_queue_depth	= tcm_loop_change_queue_depth,
 	.eh_device_reset_handler = tcm_loop_device_reset,
-	.can_queue		= TL_SCSI_CAN_QUEUE,
+	.can_queue		= 1024,
 	.this_id		= -1,
-	.sg_tablesize		= TL_SCSI_SG_TABLESIZE,
-	.cmd_per_lun		= TL_SCSI_CMD_PER_LUN,
-	.max_sectors		= TL_SCSI_MAX_SECTORS,
+	.sg_tablesize		= 256,
+	.cmd_per_lun		= 1024,
+	.max_sectors		= 0xFFFF,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.slave_alloc		= tcm_loop_slave_alloc,
 	.slave_configure	= tcm_loop_slave_configure,
@@ -564,8 +559,7 @@ static char *tcm_loop_get_fabric_name(void)
 
 static u8 tcm_loop_get_fabric_proto_ident(struct se_portal_group *se_tpg)
 {
-	struct tcm_loop_tpg *tl_tpg =
-			(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
 	/*
 	 * tl_proto_id is set at tcm_loop_configfs.c:tcm_loop_make_scsi_hba()
@@ -592,8 +586,7 @@ static u8 tcm_loop_get_fabric_proto_ident(struct se_portal_group *se_tpg)
 
 static char *tcm_loop_get_endpoint_wwn(struct se_portal_group *se_tpg)
 {
-	struct tcm_loop_tpg *tl_tpg =
-		(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	/*
 	 * Return the passed NAA identifier for the SAS Target Port
 	 */
@@ -602,8 +595,7 @@ static char *tcm_loop_get_endpoint_wwn(struct se_portal_group *se_tpg)
 
 static u16 tcm_loop_get_tag(struct se_portal_group *se_tpg)
 {
-	struct tcm_loop_tpg *tl_tpg =
-		(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	/*
 	 * This Tag is used when forming SCSI Name identifier in EVPD=1 0x83
 	 * to represent the SCSI Target Port.
@@ -623,8 +615,7 @@ static u32 tcm_loop_get_pr_transport_id(
 	int *format_code,
 	unsigned char *buf)
 {
-	struct tcm_loop_tpg *tl_tpg =
-			(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
 
 	switch (tl_hba->tl_proto_id) {
@@ -653,8 +644,7 @@ static u32 tcm_loop_get_pr_transport_id_len(
 	struct t10_pr_registration *pr_reg,
 	int *format_code)
 {
-	struct tcm_loop_tpg *tl_tpg =
-			(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
 
 	switch (tl_hba->tl_proto_id) {
@@ -687,8 +677,7 @@ static char *tcm_loop_parse_pr_out_transport_id(
 	u32 *out_tid_len,
 	char **port_nexus_ptr)
 {
-	struct tcm_loop_tpg *tl_tpg =
-			(struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+	struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
 	struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
 
 	switch (tl_hba->tl_proto_id) {

drivers/target/loopback/tcm_loop.h

 #define TCM_LOOP_VERSION		"v2.1-rc1"
 #define TL_WWN_ADDR_LEN			256
 #define TL_TPGS_PER_HBA			32
-/*
- * Defaults for struct scsi_host_template tcm_loop_driver_template
- *
- * We use large can_queue and cmd_per_lun here and let TCM enforce
- * the underlying se_device_t->queue_depth.
- */
-#define TL_SCSI_CAN_QUEUE		1024
-#define TL_SCSI_CMD_PER_LUN		1024
-#define TL_SCSI_MAX_SECTORS		1024
-#define TL_SCSI_SG_TABLESIZE		256
+
 /*
  * Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
  */

drivers/target/target_core_alua.c

@@ -32,13 +32,12 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
-#include "target_core_hba.h"
 #include "target_core_ua.h"
 
 static int core_alua_check_transition(int state, int *primary);

drivers/target/target_core_cdb.c

@@ -29,10 +29,11 @@
 #include <scsi/scsi.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
+
+#include "target_core_internal.h"
 #include "target_core_ua.h"
-#include "target_core_cdb.h"
 
 static void
 target_fill_alua_data(struct se_port *port, unsigned char *buf)
@@ -93,6 +94,18 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 	}
 	buf[2] = dev->transport->get_device_rev(dev);
 
+	/*
+	 * NORMACA and HISUP = 0, RESPONSE DATA FORMAT = 2
+	 *
+	 * SPC4 says:
+	 *   A RESPONSE DATA FORMAT field set to 2h indicates that the
+	 *   standard INQUIRY data is in the format defined in this
+	 *   standard. Response data format values less than 2h are
+	 *   obsolete. Response data format values greater than 2h are
+	 *   reserved.
+	 */
+	buf[3] = 2;
+
 	/*
 	 * Enable SCCS and TPGS fields for Emulated ALUA
 	 */
@@ -115,11 +128,9 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 		goto out;
 	}
 
-	snprintf((unsigned char *)&buf[8], 8, "LIO-ORG");
-	snprintf((unsigned char *)&buf[16], 16, "%s",
-		 &dev->se_sub_dev->t10_wwn.model[0]);
-	snprintf((unsigned char *)&buf[32], 4, "%s",
-		 &dev->se_sub_dev->t10_wwn.revision[0]);
+	snprintf(&buf[8], 8, "LIO-ORG");
+	snprintf(&buf[16], 16, "%s", dev->se_sub_dev->t10_wwn.model);
+	snprintf(&buf[32], 4, "%s", dev->se_sub_dev->t10_wwn.revision);
 	buf[4] = 31; /* Set additional length to 31 */
 
 out:
@@ -138,8 +149,7 @@ target_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)
 			SDF_EMULATED_VPD_UNIT_SERIAL) {
 		u32 unit_serial_len;
 
-		unit_serial_len =
-			strlen(&dev->se_sub_dev->t10_wwn.unit_serial[0]);
+		unit_serial_len = strlen(dev->se_sub_dev->t10_wwn.unit_serial);
 		unit_serial_len++; /* For NULL Terminator */
 
 		if (((len + 4) + unit_serial_len) > cmd->data_length) {
@@ -148,8 +158,8 @@ target_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf)
 			buf[3] = (len & 0xff);
 			return 0;
 		}
-		len += sprintf((unsigned char *)&buf[4], "%s",
-			&dev->se_sub_dev->t10_wwn.unit_serial[0]);
+		len += sprintf(&buf[4], "%s",
+			dev->se_sub_dev->t10_wwn.unit_serial);
 		len++; /* Extra Byte for NULL Terminator */
 		buf[3] = len;
 	}
@@ -279,14 +289,13 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
 			len += (prod_len + unit_serial_len);
 			goto check_port;
 		}
-		id_len += sprintf((unsigned char *)&buf[off+12],
-				"%s:%s", prod,
+		id_len += sprintf(&buf[off+12], "%s:%s", prod,
 				&dev->se_sub_dev->t10_wwn.unit_serial[0]);
 	}
 	buf[off] = 0x2; /* ASCII */
 	buf[off+1] = 0x1; /* T10 Vendor ID */
 	buf[off+2] = 0x0;
-	memcpy((unsigned char *)&buf[off+4], "LIO-ORG", 8);
+	memcpy(&buf[off+4], "LIO-ORG", 8);
 	/* Extra Byte for NULL Terminator */
 	id_len++;
 	/* Identifier Length */

drivers/target/target_core_cdb.h

-#ifndef TARGET_CORE_CDB_H
-#define TARGET_CORE_CDB_H
-
-int target_emulate_inquiry(struct se_task *task);
-int target_emulate_readcapacity(struct se_task *task);
-int target_emulate_readcapacity_16(struct se_task *task);
-int target_emulate_modesense(struct se_task *task);
-int target_emulate_request_sense(struct se_task *task);
-int target_emulate_unmap(struct se_task *task);
-int target_emulate_write_same(struct se_task *task);
-int target_emulate_synchronize_cache(struct se_task *task);
-int target_emulate_noop(struct se_task *task);
-
-#endif /* TARGET_CORE_CDB_H */

drivers/target/target_core_configfs.c

@@ -39,18 +39,16 @@
 #include <linux/spinlock.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
-#include "target_core_hba.h"
 #include "target_core_pr.h"
 #include "target_core_rd.h"
-#include "target_core_stat.h"
 
 extern struct t10_alua_lu_gp *default_lu_gp;
 
@@ -1452,7 +1450,7 @@ static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
 		return -ENOMEM;
 
 	orig = opts;
-	while ((ptr = strsep(&opts, ",")) != NULL) {
+	while ((ptr = strsep(&opts, ",\n")) != NULL) {
 		if (!*ptr)
 			continue;
 
@@ -1631,7 +1629,7 @@ static struct config_item_type target_core_dev_pr_cit = {
 
 static ssize_t target_core_show_dev_info(void *p, char *page)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 	struct se_hba *hba = se_dev->se_dev_hba;
 	struct se_subsystem_api *t = hba->transport;
 	int bl = 0;
@@ -1659,7 +1657,7 @@ static ssize_t target_core_store_dev_control(
 	const char *page,
 	size_t count)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 	struct se_hba *hba = se_dev->se_dev_hba;
 	struct se_subsystem_api *t = hba->transport;
 
@@ -1682,7 +1680,7 @@ static struct target_core_configfs_attribute target_core_attr_dev_control = {
 
 static ssize_t target_core_show_dev_alias(void *p, char *page)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 
 	if (!(se_dev->su_dev_flags & SDF_USING_ALIAS))
 		return 0;
@@ -1695,7 +1693,7 @@ static ssize_t target_core_store_dev_alias(
 	const char *page,
 	size_t count)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 	struct se_hba *hba = se_dev->se_dev_hba;
 	ssize_t read_bytes;
 
@@ -1710,6 +1708,9 @@ static ssize_t target_core_store_dev_alias(
 	read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN,
 			"%s", page);
 
+	if (se_dev->se_dev_alias[read_bytes - 1] == '\n')
+		se_dev->se_dev_alias[read_bytes - 1] = '\0';
+
 	pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n",
 		config_item_name(&hba->hba_group.cg_item),
 		config_item_name(&se_dev->se_dev_group.cg_item),
@@ -1728,7 +1729,7 @@ static struct target_core_configfs_attribute target_core_attr_dev_alias = {
 
 static ssize_t target_core_show_dev_udev_path(void *p, char *page)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 
 	if (!(se_dev->su_dev_flags & SDF_USING_UDEV_PATH))
 		return 0;
@@ -1741,7 +1742,7 @@ static ssize_t target_core_store_dev_udev_path(
 	const char *page,
 	size_t count)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 	struct se_hba *hba = se_dev->se_dev_hba;
 	ssize_t read_bytes;
 
@@ -1756,6 +1757,9 @@ static ssize_t target_core_store_dev_udev_path(
 	read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN,
 			"%s", page);
 
+	if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n')
+		se_dev->se_dev_udev_path[read_bytes - 1] = '\0';
+
 	pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n",
 		config_item_name(&hba->hba_group.cg_item),
 		config_item_name(&se_dev->se_dev_group.cg_item),
@@ -1777,7 +1781,7 @@ static ssize_t target_core_store_dev_enable(
 	const char *page,
 	size_t count)
 {
-	struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *se_dev = p;
 	struct se_device *dev;
 	struct se_hba *hba = se_dev->se_dev_hba;
 	struct se_subsystem_api *t = hba->transport;
@@ -1822,7 +1826,7 @@ static struct target_core_configfs_attribute target_core_attr_dev_enable = {
 static ssize_t target_core_show_alua_lu_gp(void *p, char *page)
 {
 	struct se_device *dev;
-	struct se_subsystem_dev *su_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *su_dev = p;
 	struct config_item *lu_ci;
 	struct t10_alua_lu_gp *lu_gp;
 	struct t10_alua_lu_gp_member *lu_gp_mem;
@@ -1860,7 +1864,7 @@ static ssize_t target_core_store_alua_lu_gp(
 	size_t count)
 {
 	struct se_device *dev;
-	struct se_subsystem_dev *su_dev = (struct se_subsystem_dev *)p;
+	struct se_subsystem_dev *su_dev = p;
 	struct se_hba *hba = su_dev->se_dev_hba;
 	struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL;
 	struct t10_alua_lu_gp_member *lu_gp_mem;

drivers/target/target_core_device.c

@@ -42,13 +42,11 @@
 #include <scsi/scsi_device.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
-#include "target_core_hba.h"
 #include "target_core_pr.h"
 #include "target_core_ua.h"
 
@@ -1134,8 +1132,6 @@ int se_dev_set_emulate_rest_reord(struct se_device *dev, int flag)
  */
 int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
 {
-	u32 orig_queue_depth = dev->queue_depth;
-
 	if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
 		pr_err("dev[%p]: Unable to change SE Device TCQ while"
 			" dev_export_obj: %d count exists\n", dev,
@@ -1169,11 +1165,6 @@ int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
 	}
 
 	dev->se_sub_dev->se_dev_attrib.queue_depth = dev->queue_depth = queue_depth;
-	if (queue_depth > orig_queue_depth)
-		atomic_add(queue_depth - orig_queue_depth, &dev->depth_left);
-	else if (queue_depth < orig_queue_depth)
-		atomic_sub(orig_queue_depth - queue_depth, &dev->depth_left);
-
 	pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n",
 			dev, queue_depth);
 	return 0;

drivers/target/target_core_fabric_configfs.c

@@ -36,18 +36,14 @@
 #include <linux/configfs.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
-#include "target_core_hba.h"
 #include "target_core_pr.h"
-#include "target_core_stat.h"
 
 #define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs)		\
 static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \

drivers/target/target_core_fabric_lib.c

@@ -34,13 +34,10 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
-#include "target_core_hba.h"
+#include "target_core_internal.h"
 #include "target_core_pr.h"
 
 /*
@@ -402,7 +399,7 @@ char *iscsi_parse_pr_out_transport_id(
 		add_len = ((buf[2] >> 8) & 0xff);
 		add_len |= (buf[3] & 0xff);
 
-		tid_len = strlen((char *)&buf[4]);
+		tid_len = strlen(&buf[4]);
 		tid_len += 4; /* Add four bytes for iSCSI Transport ID header */
 		tid_len += 1; /* Add one byte for NULL terminator */
 		padding = ((-tid_len) & 3);
@@ -423,11 +420,11 @@ char *iscsi_parse_pr_out_transport_id(
 	 * format.
 	 */
 	if (format_code == 0x40) {
-		p = strstr((char *)&buf[4], ",i,0x");
+		p = strstr(&buf[4], ",i,0x");
 		if (!p) {
 			pr_err("Unable to locate \",i,0x\" seperator"
 				" for Initiator port identifier: %s\n",
-				(char *)&buf[4]);
+				&buf[4]);
 			return NULL;
 		}
 		*p = '\0'; /* Terminate iSCSI Name */

drivers/target/target_core_file.c

@@ -37,8 +37,7 @@
 #include <scsi/scsi_host.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
 
 #include "target_core_file.h"
 
@@ -86,7 +85,7 @@ static void fd_detach_hba(struct se_hba *hba)
 static void *fd_allocate_virtdevice(struct se_hba *hba, const char *name)
 {
 	struct fd_dev *fd_dev;
-	struct fd_host *fd_host = (struct fd_host *) hba->hba_ptr;
+	struct fd_host *fd_host = hba->hba_ptr;
 
 	fd_dev = kzalloc(sizeof(struct fd_dev), GFP_KERNEL);
 	if (!fd_dev) {
@@ -114,8 +113,8 @@ static struct se_device *fd_create_virtdevice(
 	struct se_device *dev;
 	struct se_dev_limits dev_limits;
 	struct queue_limits *limits;
-	struct fd_dev *fd_dev = (struct fd_dev *) p;
-	struct fd_host *fd_host = (struct fd_host *) hba->hba_ptr;
+	struct fd_dev *fd_dev = p;
+	struct fd_host *fd_host = hba->hba_ptr;
 	mm_segment_t old_fs;
 	struct file *file;
 	struct inode *inode = NULL;
@@ -240,7 +239,7 @@ static struct se_device *fd_create_virtdevice(
  */
 static void fd_free_device(void *p)
 {
-	struct fd_dev *fd_dev = (struct fd_dev *) p;
+	struct fd_dev *fd_dev = p;
 
 	if (fd_dev->fd_file) {
 		filp_close(fd_dev->fd_file, NULL);
@@ -498,7 +497,7 @@ static ssize_t fd_set_configfs_dev_params(
 
 	orig = opts;
 
-	while ((ptr = strsep(&opts, ",")) != NULL) {
+	while ((ptr = strsep(&opts, ",\n")) != NULL) {
 		if (!*ptr)
 			continue;
 
@@ -559,7 +558,7 @@ static ssize_t fd_set_configfs_dev_params(
 
 static ssize_t fd_check_configfs_dev_params(struct se_hba *hba, struct se_subsystem_dev *se_dev)
 {
-	struct fd_dev *fd_dev = (struct fd_dev *) se_dev->se_dev_su_ptr;
+	struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
 
 	if (!(fd_dev->fbd_flags & FBDF_HAS_PATH)) {
 		pr_err("Missing fd_dev_name=\n");

drivers/target/target_core_hba.c

@@ -37,11 +37,10 @@
 #include <net/tcp.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 
-#include "target_core_hba.h"
+#include "target_core_internal.h"
 
 static LIST_HEAD(subsystem_list);
 static DEFINE_MUTEX(subsystem_mutex);

drivers/target/target_core_hba.h

-#ifndef TARGET_CORE_HBA_H
-#define TARGET_CORE_HBA_H
-
-extern struct se_hba *core_alloc_hba(const char *, u32, u32);
-extern int core_delete_hba(struct se_hba *);
-
-#endif /* TARGET_CORE_HBA_H */

drivers/target/target_core_iblock.c

@@ -42,8 +42,7 @@
 #include <scsi/scsi_host.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
 
 #include "target_core_iblock.h"
 
@@ -391,7 +390,7 @@ static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba,
 
 	orig = opts;
 
-	while ((ptr = strsep(&opts, ",")) != NULL) {
+	while ((ptr = strsep(&opts, ",\n")) != NULL) {
 		if (!*ptr)
 			continue;
 
@@ -465,7 +464,7 @@ static ssize_t iblock_show_configfs_dev_params(
 	if (bd) {
 		bl += sprintf(b + bl, "Major: %d Minor: %d  %s\n",
 			MAJOR(bd->bd_dev), MINOR(bd->bd_dev), (!bd->bd_contains) ?
-			"" : (bd->bd_holder == (struct iblock_dev *)ibd) ?
+			"" : (bd->bd_holder == ibd) ?
 			"CLAIMED: IBLOCK" : "CLAIMED: OS");
 	} else {
 		bl += sprintf(b + bl, "Major: 0 Minor: 0\n");

drivers/target/target_core_internal.h

+#ifndef TARGET_CORE_INTERNAL_H
+#define TARGET_CORE_INTERNAL_H
+
+/* target_core_alua.c */
+extern struct t10_alua_lu_gp *default_lu_gp;
+
+/* target_core_cdb.c */
+int	target_emulate_inquiry(struct se_task *task);
+int	target_emulate_readcapacity(struct se_task *task);
+int	target_emulate_readcapacity_16(struct se_task *task);
+int	target_emulate_modesense(struct se_task *task);
+int	target_emulate_request_sense(struct se_task *task);
+int	target_emulate_unmap(struct se_task *task);
+int	target_emulate_write_same(struct se_task *task);
+int	target_emulate_synchronize_cache(struct se_task *task);
+int	target_emulate_noop(struct se_task *task);
+
+/* target_core_device.c */
+struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
+int	core_free_device_list_for_node(struct se_node_acl *,
+		struct se_portal_group *);
+void	core_dec_lacl_count(struct se_node_acl *, struct se_cmd *);
+void	core_update_device_list_access(u32, u32, struct se_node_acl *);
+int	core_update_device_list_for_node(struct se_lun *, struct se_lun_acl *,
+		u32, u32, struct se_node_acl *, struct se_portal_group *, int);
+void	core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
+int	core_dev_export(struct se_device *, struct se_portal_group *,
+		struct se_lun *);
+void	core_dev_unexport(struct se_device *, struct se_portal_group *,
+		struct se_lun *);
+int	target_report_luns(struct se_task *);
+void	se_release_device_for_hba(struct se_device *);
+void	se_release_vpd_for_dev(struct se_device *);
+int	se_free_virtual_device(struct se_device *, struct se_hba *);
+int	se_dev_check_online(struct se_device *);
+int	se_dev_check_shutdown(struct se_device *);
+void	se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *);
+int	se_dev_set_task_timeout(struct se_device *, u32);
+int	se_dev_set_max_unmap_lba_count(struct se_device *, u32);
+int	se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
+int	se_dev_set_unmap_granularity(struct se_device *, u32);
+int	se_dev_set_unmap_granularity_alignment(struct se_device *, u32);
+int	se_dev_set_emulate_dpo(struct se_device *, int);
+int	se_dev_set_emulate_fua_write(struct se_device *, int);
+int	se_dev_set_emulate_fua_read(struct se_device *, int);
+int	se_dev_set_emulate_write_cache(struct se_device *, int);
+int	se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int);
+int	se_dev_set_emulate_tas(struct se_device *, int);
+int	se_dev_set_emulate_tpu(struct se_device *, int);
+int	se_dev_set_emulate_tpws(struct se_device *, int);
+int	se_dev_set_enforce_pr_isids(struct se_device *, int);
+int	se_dev_set_is_nonrot(struct se_device *, int);
+int	se_dev_set_emulate_rest_reord(struct se_device *dev, int);
+int	se_dev_set_queue_depth(struct se_device *, u32);
+int	se_dev_set_max_sectors(struct se_device *, u32);
+int	se_dev_set_optimal_sectors(struct se_device *, u32);
+int	se_dev_set_block_size(struct se_device *, u32);
+struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_hba *,
+		struct se_device *, u32);
+int	core_dev_del_lun(struct se_portal_group *, u32);
+struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
+struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
+		u32, char *, int *);
+int	core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
+		struct se_lun_acl *, u32, u32);
+int	core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
+		struct se_lun *, struct se_lun_acl *);
+void	core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
+		struct se_lun_acl *lacl);
+int	core_dev_setup_virtual_lun0(void);
+void	core_dev_release_virtual_lun0(void);
+
+/* target_core_hba.c */
+struct se_hba *core_alloc_hba(const char *, u32, u32);
+int	core_delete_hba(struct se_hba *);
+
+/* target_core_tmr.c */
+int	core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
+		struct list_head *, struct se_cmd *);
+
+/* target_core_tpg.c */
+extern struct se_device *g_lun0_dev;
+
+struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
+		const char *);
+struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
+		unsigned char *);
+void	core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *);
+void	core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
+struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32);
+int	core_tpg_post_addlun(struct se_portal_group *, struct se_lun *,
+		u32, void *);
+struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *);
+int	core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
+
+/* target_core_transport.c */
+extern struct kmem_cache *se_tmr_req_cache;
+
+int	init_se_kmem_caches(void);
+void	release_se_kmem_caches(void);
+u32	scsi_get_new_index(scsi_index_t);
+void	transport_subsystem_check_init(void);
+void	transport_cmd_finish_abort(struct se_cmd *, int);
+void	__transport_remove_task_from_execute_queue(struct se_task *,
+		struct se_device *);
+unsigned char *transport_dump_cmd_direction(struct se_cmd *);
+void	transport_dump_dev_state(struct se_device *, char *, int *);
+void	transport_dump_dev_info(struct se_device *, struct se_lun *,
+		unsigned long long, char *, int *);
+void	transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
+int	transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
+int	transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
+int	transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
+bool	target_stop_task(struct se_task *task, unsigned long *flags);
+int	transport_clear_lun_from_sessions(struct se_lun *);
+void	transport_send_task_abort(struct se_cmd *);
+
+/* target_core_stat.c */
+void	target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
+void	target_stat_setup_port_default_groups(struct se_lun *);
+void	target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
+
+#endif /* TARGET_CORE_INTERNAL_H */

drivers/target/target_core_pr.c

@@ -33,14 +33,11 @@
 #include <asm/unaligned.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
-#include "target_core_hba.h"
+#include "target_core_internal.h"
 #include "target_core_pr.h"
 #include "target_core_ua.h"
 
@@ -2984,21 +2981,6 @@ static void core_scsi3_release_preempt_and_abort(
 	}
 }
 
-int core_scsi3_check_cdb_abort_and_preempt(
-	struct list_head *preempt_and_abort_list,
-	struct se_cmd *cmd)
-{
-	struct t10_pr_registration *pr_reg, *pr_reg_tmp;
-
-	list_for_each_entry_safe(pr_reg, pr_reg_tmp, preempt_and_abort_list,
-				pr_reg_abort_list) {
-		if (pr_reg->pr_res_key == cmd->pr_res_key)
-			return 0;
-	}
-
-	return 1;
-}
-
 static int core_scsi3_pro_preempt(
 	struct se_cmd *cmd,
 	int type,

drivers/target/target_core_pr.h

@@ -60,8 +60,6 @@ extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
 					     struct se_node_acl *);
 extern void core_scsi3_free_all_registrations(struct se_device *);
 extern unsigned char *core_scsi3_pr_dump_type(int);
-extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
-						  struct se_cmd *);
 
 extern int target_scsi3_emulate_pr_in(struct se_task *task);
 extern int target_scsi3_emulate_pr_out(struct se_task *task);

drivers/target/target_core_pscsi.c

@@ -44,8 +44,7 @@
 #include <scsi/scsi_tcq.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
 
 #include "target_core_pscsi.h"
 
@@ -105,7 +104,7 @@ static void pscsi_detach_hba(struct se_hba *hba)
 
 static int pscsi_pmode_enable_hba(struct se_hba *hba, unsigned long mode_flag)
 {
-	struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)hba->hba_ptr;
+	struct pscsi_hba_virt *phv = hba->hba_ptr;
 	struct Scsi_Host *sh = phv->phv_lld_host;
 	/*
 	 * Release the struct Scsi_Host
@@ -351,7 +350,6 @@ static struct se_device *pscsi_add_device_to_list(
 	 * scsi_device_put() and the pdv->pdv_sd cleared.
 	 */
 	pdv->pdv_sd = sd;
-
 	dev = transport_add_device_to_core_hba(hba, &pscsi_template,
 				se_dev, dev_flags, pdv,
 				&dev_limits, NULL, NULL);
@@ -406,7 +404,7 @@ static struct se_device *pscsi_create_type_disk(
 	__releases(sh->host_lock)
 {
 	struct se_device *dev;
-	struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+	struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
 	struct Scsi_Host *sh = sd->host;
 	struct block_device *bd;
 	u32 dev_flags = 0;
@@ -454,7 +452,7 @@ static struct se_device *pscsi_create_type_rom(
 	__releases(sh->host_lock)
 {
 	struct se_device *dev;
-	struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+	struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
 	struct Scsi_Host *sh = sd->host;
 	u32 dev_flags = 0;
 
@@ -489,7 +487,7 @@ static struct se_device *pscsi_create_type_other(
 	__releases(sh->host_lock)
 {
 	struct se_device *dev;
-	struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+	struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
 	struct Scsi_Host *sh = sd->host;
 	u32 dev_flags = 0;
 
@@ -510,10 +508,10 @@ static struct se_device *pscsi_create_virtdevice(
 	struct se_subsystem_dev *se_dev,
 	void *p)
 {
-	struct pscsi_dev_virt *pdv = (struct pscsi_dev_virt *)p;
+	struct pscsi_dev_virt *pdv = p;
 	struct se_device *dev;
 	struct scsi_device *sd;
-	struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)hba->hba_ptr;
+	struct pscsi_hba_virt *phv = hba->hba_ptr;
 	struct Scsi_Host *sh = phv->phv_lld_host;
 	int legacy_mode_enable = 0;
 
@@ -818,7 +816,7 @@ static ssize_t pscsi_set_configfs_dev_params(struct se_hba *hba,
 
 	orig = opts;
 
-	while ((ptr = strsep(&opts, ",")) != NULL) {
+	while ((ptr = strsep(&opts, ",\n")) != NULL) {
 		if (!*ptr)
 			continue;
 
@@ -1144,7 +1142,7 @@ static unsigned char *pscsi_get_sense_buffer(struct se_task *task)
 {
 	struct pscsi_plugin_task *pt = PSCSI_TASK(task);
 
-	return (unsigned char *)&pt->pscsi_sense[0];
+	return pt->pscsi_sense;
 }
 
 /*	pscsi_get_device_rev():

drivers/target/target_core_rd.c

@@ -37,9 +37,7 @@
 #include <scsi/scsi_host.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
 
 #include "target_core_rd.h"
 
@@ -474,7 +472,7 @@ static ssize_t rd_set_configfs_dev_params(
 
 	orig = opts;
 
-	while ((ptr = strsep(&opts, ",")) != NULL) {
+	while ((ptr = strsep(&opts, ",\n")) != NULL) {
 		if (!*ptr)
 			continue;
 

drivers/target/target_core_stat.c

@@ -43,12 +43,12 @@
 #include <scsi/scsi_host.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 
-#include "target_core_hba.h"
+#include "target_core_internal.h"
 
 #ifndef INITIAL_JIFFIES
 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
@@ -1755,8 +1755,7 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
 	/* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
 	memset(buf, 0, 64);
 	if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
-		tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess,
-				(unsigned char *)&buf[0], 64);
+		tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
 
 	ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
 	spin_unlock_irq(&nacl->nacl_sess_lock);

drivers/target/target_core_stat.h

-#ifndef TARGET_CORE_STAT_H
-#define TARGET_CORE_STAT_H
-
-extern void target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
-extern void target_stat_setup_port_default_groups(struct se_lun *);
-extern void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
-
-#endif   /*** TARGET_CORE_STAT_H ***/

drivers/target/target_core_tmr.c

@@ -32,12 +32,11 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
 #include "target_core_pr.h"
 
@@ -101,6 +100,21 @@ static void core_tmr_handle_tas_abort(
 	transport_cmd_finish_abort(cmd, 0);
 }
 
+static int target_check_cdb_and_preempt(struct list_head *list,
+		struct se_cmd *cmd)
+{
+	struct t10_pr_registration *reg;
+
+	if (!list)
+		return 0;
+	list_for_each_entry(reg, list, pr_reg_abort_list) {
+		if (reg->pr_res_key == cmd->pr_res_key)
+			return 0;
+	}
+
+	return 1;
+}
+
 static void core_tmr_drain_tmr_list(
 	struct se_device *dev,
 	struct se_tmr_req *tmr,
@@ -132,9 +146,7 @@ static void core_tmr_drain_tmr_list(
 		 * parameter (eg: for PROUT PREEMPT_AND_ABORT service action
 		 * skip non regisration key matching TMRs.
 		 */
-		if (preempt_and_abort_list &&
-		    (core_scsi3_check_cdb_abort_and_preempt(
-					preempt_and_abort_list, cmd) != 0))
+		if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
 			continue;
 
 		spin_lock(&cmd->t_state_lock);
@@ -211,9 +223,7 @@ static void core_tmr_drain_task_list(
 		 * For PREEMPT_AND_ABORT usage, only process commands
 		 * with a matching reservation key.
 		 */
-		if (preempt_and_abort_list &&
-		    (core_scsi3_check_cdb_abort_and_preempt(
-					preempt_and_abort_list, cmd) != 0))
+		if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
 			continue;
 		/*
 		 * Not aborting PROUT PREEMPT_AND_ABORT CDB..
@@ -222,7 +232,7 @@ static void core_tmr_drain_task_list(
 			continue;
 
 		list_move_tail(&task->t_state_list, &drain_task_list);
-		atomic_set(&task->task_state_active, 0);
+		task->t_state_active = false;
 		/*
 		 * Remove from task execute list before processing drain_task_list
 		 */
@@ -321,9 +331,7 @@ static void core_tmr_drain_cmd_list(
 		 * For PREEMPT_AND_ABORT usage, only process commands
 		 * with a matching reservation key.
 		 */
-		if (preempt_and_abort_list &&
-		    (core_scsi3_check_cdb_abort_and_preempt(
-					preempt_and_abort_list, cmd) != 0))
+		if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
 			continue;
 		/*
 		 * Not aborting PROUT PREEMPT_AND_ABORT CDB..

drivers/target/target_core_tpg.c

@@ -39,13 +39,10 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
 
-#include "target_core_hba.h"
-#include "target_core_stat.h"
+#include "target_core_internal.h"
 
 extern struct se_device *g_lun0_dev;
 

drivers/target/target_core_ua.c

@@ -30,13 +30,11 @@
 #include <scsi/scsi_cmnd.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 
+#include "target_core_internal.h"
 #include "target_core_alua.h"
-#include "target_core_hba.h"
 #include "target_core_pr.h"
 #include "target_core_ua.h"
 

drivers/target/tcm_fc/tfc_cmd.c

@@ -39,12 +39,8 @@
 #include <scsi/fc_encode.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
-#include <target/target_core_tmr.h>
 #include <target/configfs_macros.h>
 
 #include "tcm_fc.h"
@@ -367,6 +363,11 @@ static void ft_send_tm(struct ft_cmd *cmd)
 	struct ft_sess *sess;
 	u8 tm_func;
 
+	transport_init_se_cmd(&cmd->se_cmd, &ft_configfs->tf_ops,
+			cmd->sess->se_sess, 0, DMA_NONE, 0,
+			&cmd->ft_sense_buffer[0]);
+	target_get_sess_cmd(cmd->sess->se_sess, &cmd->se_cmd, false);
+
 	fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
 
 	switch (fcp->fc_tm_flags) {
@@ -420,7 +421,6 @@ static void ft_send_tm(struct ft_cmd *cmd)
 			sess = cmd->sess;
 			transport_send_check_condition_and_sense(&cmd->se_cmd,
 				cmd->se_cmd.scsi_sense_reason, 0);
-			transport_generic_free_cmd(&cmd->se_cmd, 0);
 			ft_sess_put(sess);
 			return;
 		}
@@ -536,7 +536,6 @@ static void ft_send_work(struct work_struct *work)
 {
 	struct ft_cmd *cmd = container_of(work, struct ft_cmd, work);
 	struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame);
-	struct se_cmd *se_cmd;
 	struct fcp_cmnd *fcp;
 	int data_dir = 0;
 	u32 data_len;
@@ -591,15 +590,6 @@ static void ft_send_work(struct work_struct *work)
 		data_len = ntohl(fcp->fc_dl);
 		cmd->cdb = fcp->fc_cdb;
 	}
-
-	se_cmd = &cmd->se_cmd;
-	/*
-	 * Initialize struct se_cmd descriptor from target_core_mod
-	 * infrastructure
-	 */
-	transport_init_se_cmd(se_cmd, &ft_configfs->tf_ops, cmd->sess->se_sess,
-			      data_len, data_dir, task_attr,
-			      &cmd->ft_sense_buffer[0]);
 	/*
 	 * Check for FCP task management flags
 	 */
@@ -607,39 +597,20 @@ static void ft_send_work(struct work_struct *work)
 		ft_send_tm(cmd);
 		return;
 	}
-
 	fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
-
 	cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
-	ret = transport_lookup_cmd_lun(&cmd->se_cmd, cmd->lun);
+	/*
+	 * Use a single se_cmd->cmd_kref as we expect to release se_cmd
+	 * directly from ft_check_stop_free callback in response path.
+	 */
+	ret = target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
+				&cmd->ft_sense_buffer[0], cmd->lun, data_len,
+				task_attr, data_dir, 0);
+	pr_debug("r_ctl %x alloc target_submit_cmd %d\n", fh->fh_r_ctl, ret);
 	if (ret < 0) {
 		ft_dump_cmd(cmd, __func__);
-		transport_send_check_condition_and_sense(&cmd->se_cmd,
-			cmd->se_cmd.scsi_sense_reason, 0);
-		return;
-	}
-
-	ret = transport_generic_allocate_tasks(se_cmd, cmd->cdb);
-
-	pr_debug("r_ctl %x alloc task ret %d\n", fh->fh_r_ctl, ret);
-	ft_dump_cmd(cmd, __func__);
-
-	if (ret == -ENOMEM) {
-		transport_send_check_condition_and_sense(se_cmd,
-				TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
-		transport_generic_free_cmd(se_cmd, 0);
-		return;
-	}
-	if (ret == -EINVAL) {
-		if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
-			ft_queue_status(se_cmd);
-		else
-			transport_send_check_condition_and_sense(se_cmd,
-					se_cmd->scsi_sense_reason, 0);
-		transport_generic_free_cmd(se_cmd, 0);
 		return;
 	}
-	transport_handle_cdb_direct(se_cmd);
 	return;
 
 err:

drivers/target/tcm_fc/tfc_conf.c

@@ -41,12 +41,8 @@
 #include <scsi/libfc.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 

drivers/target/tcm_fc/tfc_io.c

@@ -48,10 +48,7 @@
 #include <scsi/fc_encode.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 

drivers/target/tcm_fc/tfc_sess.c

@@ -40,10 +40,7 @@
 #include <scsi/libfc.h>
 
 #include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
 #include <target/target_core_configfs.h>
 #include <target/configfs_macros.h>
 

include/target/target_core_backend.h

+#ifndef TARGET_CORE_BACKEND_H
+#define TARGET_CORE_BACKEND_H
+
+#define TRANSPORT_PLUGIN_PHBA_PDEV		1
+#define TRANSPORT_PLUGIN_VHBA_PDEV		2
+#define TRANSPORT_PLUGIN_VHBA_VDEV		3
+
+struct se_subsystem_api {
+	struct list_head sub_api_list;
+
+	char name[16];
+	struct module *owner;
+
+	u8 transport_type;
+
+	unsigned int fua_write_emulated : 1;
+	unsigned int write_cache_emulated : 1;
+
+	int (*attach_hba)(struct se_hba *, u32);
+	void (*detach_hba)(struct se_hba *);
+	int (*pmode_enable_hba)(struct se_hba *, unsigned long);
+	void *(*allocate_virtdevice)(struct se_hba *, const char *);
+	struct se_device *(*create_virtdevice)(struct se_hba *,
+				struct se_subsystem_dev *, void *);
+	void (*free_device)(void *);
+	int (*transport_complete)(struct se_task *task);
+	struct se_task *(*alloc_task)(unsigned char *cdb);
+	int (*do_task)(struct se_task *);
+	int (*do_discard)(struct se_device *, sector_t, u32);
+	void (*do_sync_cache)(struct se_task *);
+	void (*free_task)(struct se_task *);
+	ssize_t (*check_configfs_dev_params)(struct se_hba *,
+			struct se_subsystem_dev *);
+	ssize_t (*set_configfs_dev_params)(struct se_hba *,
+			struct se_subsystem_dev *, const char *, ssize_t);
+	ssize_t (*show_configfs_dev_params)(struct se_hba *,
+			struct se_subsystem_dev *, char *);
+	u32 (*get_device_rev)(struct se_device *);
+	u32 (*get_device_type)(struct se_device *);
+	sector_t (*get_blocks)(struct se_device *);
+	unsigned char *(*get_sense_buffer)(struct se_task *);
+};
+
+int	transport_subsystem_register(struct se_subsystem_api *);
+void	transport_subsystem_release(struct se_subsystem_api *);
+
+struct se_device *transport_add_device_to_core_hba(struct se_hba *,
+		struct se_subsystem_api *, struct se_subsystem_dev *, u32,
+		void *, struct se_dev_limits *, const char *, const char *);
+
+void	transport_complete_sync_cache(struct se_cmd *, int);
+void	transport_complete_task(struct se_task *, int);
+
+void	target_get_task_cdb(struct se_task *, unsigned char *);
+
+void	transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
+int	transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
+int	transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
+int	transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
+
+/* core helpers also used by command snooping in pscsi */
+void	*transport_kmap_first_data_page(struct se_cmd *);
+void	transport_kunmap_first_data_page(struct se_cmd *);
+
+#endif /* TARGET_CORE_BACKEND_H */

include/target/target_core_device.h

-#ifndef TARGET_CORE_DEVICE_H
-#define TARGET_CORE_DEVICE_H
-
-extern int transport_lookup_cmd_lun(struct se_cmd *, u32);
-extern int transport_lookup_tmr_lun(struct se_cmd *, u32);
-extern struct se_dev_entry *core_get_se_deve_from_rtpi(
-					struct se_node_acl *, u16);
-extern int core_free_device_list_for_node(struct se_node_acl *,
-					struct se_portal_group *);
-extern void core_dec_lacl_count(struct se_node_acl *, struct se_cmd *);
-extern void core_update_device_list_access(u32, u32, struct se_node_acl *);
-extern int core_update_device_list_for_node(struct se_lun *, struct se_lun_acl *, u32,
-					u32, struct se_node_acl *,
-					struct se_portal_group *, int);
-extern void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
-extern int core_dev_export(struct se_device *, struct se_portal_group *,
-					struct se_lun *);
-extern void core_dev_unexport(struct se_device *, struct se_portal_group *,
-					struct se_lun *);
-extern int target_report_luns(struct se_task *);
-extern void se_release_device_for_hba(struct se_device *);
-extern void se_release_vpd_for_dev(struct se_device *);
-extern void se_clear_dev_ports(struct se_device *);
-extern int se_free_virtual_device(struct se_device *, struct se_hba *);
-extern int se_dev_check_online(struct se_device *);
-extern int se_dev_check_shutdown(struct se_device *);
-extern void se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *);
-extern int se_dev_set_task_timeout(struct se_device *, u32);
-extern int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
-extern int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
-extern int se_dev_set_unmap_granularity(struct se_device *, u32);
-extern int se_dev_set_unmap_granularity_alignment(struct se_device *, u32);
-extern int se_dev_set_emulate_dpo(struct se_device *, int);
-extern int se_dev_set_emulate_fua_write(struct se_device *, int);
-extern int se_dev_set_emulate_fua_read(struct se_device *, int);
-extern int se_dev_set_emulate_write_cache(struct se_device *, int);
-extern int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int);
-extern int se_dev_set_emulate_tas(struct se_device *, int);
-extern int se_dev_set_emulate_tpu(struct se_device *, int);
-extern int se_dev_set_emulate_tpws(struct se_device *, int);
-extern int se_dev_set_enforce_pr_isids(struct se_device *, int);
-extern int se_dev_set_is_nonrot(struct se_device *, int);
-extern int se_dev_set_emulate_rest_reord(struct se_device *dev, int);
-extern int se_dev_set_queue_depth(struct se_device *, u32);
-extern int se_dev_set_max_sectors(struct se_device *, u32);
-extern int se_dev_set_optimal_sectors(struct se_device *, u32);
-extern int se_dev_set_block_size(struct se_device *, u32);
-extern struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_hba *,
-					struct se_device *, u32);
-extern int core_dev_del_lun(struct se_portal_group *, u32);
-extern struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
-extern struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
-							u32, char *, int *);
-extern int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
-						struct se_lun_acl *, u32, u32);
-extern int core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
-						struct se_lun *, struct se_lun_acl *);
-extern void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
-						struct se_lun_acl *lacl);
-extern int core_dev_setup_virtual_lun0(void);
-extern void core_dev_release_virtual_lun0(void);
-
-#endif /* TARGET_CORE_DEVICE_H */

include/target/target_core_fabric_ops.h → include/target/target_core_fabric.h

-/* Defined in target_core_configfs.h */
-struct target_fabric_configfs;
+#ifndef TARGET_CORE_FABRIC_H
+#define TARGET_CORE_FABRIC_H
 
 struct target_core_fabric_ops {
 	struct configfs_subsystem *tf_subsys;
@@ -52,10 +52,6 @@ struct target_core_fabric_ops {
 	 * Returning 0 will signal a descriptor has not been released.
 	 */
 	int (*check_stop_free)(struct se_cmd *);
-	/*
-	 * Optional check for active I/O shutdown
-	 */
-	int (*check_release_cmd)(struct se_cmd *);
 	void (*release_cmd)(struct se_cmd *);
 	/*
 	 * Called with spin_lock_bh(struct se_portal_group->session_lock held.
@@ -103,3 +99,89 @@ struct target_core_fabric_ops {
 				struct config_group *, const char *);
 	void (*fabric_drop_nodeacl)(struct se_node_acl *);
 };
+
+struct se_session *transport_init_session(void);
+void	__transport_register_session(struct se_portal_group *,
+		struct se_node_acl *, struct se_session *, void *);
+void	transport_register_session(struct se_portal_group *,
+		struct se_node_acl *, struct se_session *, void *);
+void	transport_free_session(struct se_session *);
+void	transport_deregister_session_configfs(struct se_session *);
+void	transport_deregister_session(struct se_session *);
+
+
+void	transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *,
+		struct se_session *, u32, int, int, unsigned char *);
+int	transport_lookup_cmd_lun(struct se_cmd *, u32);
+int	transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
+int	target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
+		unsigned char *, u32, u32, int, int, int);
+int	transport_handle_cdb_direct(struct se_cmd *);
+int	transport_generic_handle_cdb_map(struct se_cmd *);
+int	transport_generic_handle_data(struct se_cmd *);
+int	transport_generic_map_mem_to_cmd(struct se_cmd *cmd,
+		struct scatterlist *, u32, struct scatterlist *, u32);
+void	transport_do_task_sg_chain(struct se_cmd *);
+int	transport_generic_new_cmd(struct se_cmd *);
+
+void	transport_generic_process_write(struct se_cmd *);
+
+void	transport_generic_free_cmd(struct se_cmd *, int);
+
+bool	transport_wait_for_tasks(struct se_cmd *);
+int	transport_check_aborted_status(struct se_cmd *, int);
+int	transport_send_check_condition_and_sense(struct se_cmd *, u8, int);
+
+void	target_get_sess_cmd(struct se_session *, struct se_cmd *, bool);
+int	target_put_sess_cmd(struct se_session *, struct se_cmd *);
+void	target_splice_sess_cmd_list(struct se_session *);
+void	target_wait_for_sess_cmds(struct se_session *, int);
+
+int	core_alua_check_nonop_delay(struct se_cmd *);
+
+struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
+void	core_tmr_release_req(struct se_tmr_req *);
+int	transport_generic_handle_tmr(struct se_cmd *);
+int	transport_lookup_tmr_lun(struct se_cmd *, u32);
+
+struct se_node_acl *core_tpg_check_initiator_node_acl(struct se_portal_group *,
+		unsigned char *);
+void	core_tpg_clear_object_luns(struct se_portal_group *);
+struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *,
+		struct se_node_acl *, const char *, u32);
+int	core_tpg_del_initiator_node_acl(struct se_portal_group *,
+		struct se_node_acl *, int);
+int	core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
+		unsigned char *, u32, int);
+int	core_tpg_register(struct target_core_fabric_ops *, struct se_wwn *,
+		struct se_portal_group *, void *, int);
+int	core_tpg_deregister(struct se_portal_group *);
+
+/* SAS helpers */
+u8	sas_get_fabric_proto_ident(struct se_portal_group *);
+u32	sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *, unsigned char *);
+u32	sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *);
+char	*sas_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+		u32 *, char **);
+
+/* FC helpers */
+u8	fc_get_fabric_proto_ident(struct se_portal_group *);
+u32	fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *, unsigned char *);
+u32	fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *);
+char	*fc_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+		u32 *, char **);
+
+/* iSCSI helpers */
+u8	iscsi_get_fabric_proto_ident(struct se_portal_group *);
+u32	iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *, unsigned char *);
+u32	iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+		struct t10_pr_registration *, int *);
+char	*iscsi_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+		u32 *, char **);
+
+#endif /* TARGET_CORE_FABRICH */

include/target/target_core_fabric_lib.h

-#ifndef TARGET_CORE_FABRIC_LIB_H
-#define TARGET_CORE_FABRIC_LIB_H
-
-extern u8 sas_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *, unsigned char *);
-extern u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *);
-extern char *sas_parse_pr_out_transport_id(struct se_portal_group *,
-			const char *, u32 *, char **);
-
-extern u8 fc_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *, unsigned char *);
-extern u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *);
-extern char *fc_parse_pr_out_transport_id(struct se_portal_group *,
-			const char *, u32 *, char **);
-
-extern u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *, unsigned char *);
-extern u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
-			struct t10_pr_registration *, int *);
-extern char *iscsi_parse_pr_out_transport_id(struct se_portal_group *,
-			const char *, u32 *, char **);
-
-#endif /* TARGET_CORE_FABRIC_LIB_H */

include/target/target_core_tmr.h

-#ifndef TARGET_CORE_TMR_H
-#define TARGET_CORE_TMR_H
-
-/* fabric independent task management function values */
-enum tcm_tmreq_table {
-	TMR_ABORT_TASK		= 1,
-	TMR_ABORT_TASK_SET	= 2,
-	TMR_CLEAR_ACA		= 3,
-	TMR_CLEAR_TASK_SET	= 4,
-	TMR_LUN_RESET		= 5,
-	TMR_TARGET_WARM_RESET	= 6,
-	TMR_TARGET_COLD_RESET	= 7,
-	TMR_FABRIC_TMR		= 255,
-};
-
-/* fabric independent task management response values */
-enum tcm_tmrsp_table {
-	TMR_FUNCTION_COMPLETE		= 0,
-	TMR_TASK_DOES_NOT_EXIST		= 1,
-	TMR_LUN_DOES_NOT_EXIST		= 2,
-	TMR_TASK_STILL_ALLEGIANT	= 3,
-	TMR_TASK_FAILOVER_NOT_SUPPORTED	= 4,
-	TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED	= 5,
-	TMR_FUNCTION_AUTHORIZATION_FAILED = 6,
-	TMR_FUNCTION_REJECTED		= 255,
-};
-
-extern struct kmem_cache *se_tmr_req_cache;
-
-extern struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
-extern void core_tmr_release_req(struct se_tmr_req *);
-extern int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
-				struct list_head *, struct se_cmd *);
-
-#endif /* TARGET_CORE_TMR_H */

include/target/target_core_tpg.h

-#ifndef TARGET_CORE_TPG_H
-#define TARGET_CORE_TPG_H
-
-extern struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
-						const char *);
-extern struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
-						unsigned char *);
-extern void core_tpg_add_node_to_devs(struct se_node_acl *,
-						struct se_portal_group *);
-extern struct se_node_acl *core_tpg_check_initiator_node_acl(
-						struct se_portal_group *,
-						unsigned char *);
-extern void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
-extern void core_tpg_wait_for_mib_ref(struct se_node_acl *);
-extern void core_tpg_clear_object_luns(struct se_portal_group *);
-extern struct se_node_acl *core_tpg_add_initiator_node_acl(
-					struct se_portal_group *,
-					struct se_node_acl *,
-					const char *, u32);
-extern int core_tpg_del_initiator_node_acl(struct se_portal_group *,
-						struct se_node_acl *, int);
-extern int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
-						unsigned char *, u32, int);
-extern int core_tpg_register(struct target_core_fabric_ops *,
-					struct se_wwn *,
-					struct se_portal_group *, void *,
-					int);
-extern int core_tpg_deregister(struct se_portal_group *);
-extern struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32);
-extern int core_tpg_post_addlun(struct se_portal_group *, struct se_lun *, u32,
-				void *);
-extern struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *);
-extern int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
-
-#endif /* TARGET_CORE_TPG_H */