[PATCH] scsi: target/sbp: remove SBP target driver

[Chris Boot <bootc@bootc.net>]

I no longer have the time to maintain this subsystem nor the hardware to
test patches with. It also doesn't appear to have any active users so I
doubt anyone will miss it.

Signed-off-by: Chris Boot <bootc@bootc.net>
---
 MAINTAINERS                     |    9 -
 drivers/target/Kconfig          |    1 -
 drivers/target/Makefile         |    1 -
 drivers/target/sbp/Kconfig      |   12 -
 drivers/target/sbp/Makefile     |    2 -
 drivers/target/sbp/sbp_target.c | 2350 -------------------------------
 drivers/target/sbp/sbp_target.h |  243 ----
 7 files changed, 2618 deletions(-)
 delete mode 100644 drivers/target/sbp/Kconfig
 delete mode 100644 drivers/target/sbp/Makefile
 delete mode 100644 drivers/target/sbp/sbp_target.c
 delete mode 100644 drivers/target/sbp/sbp_target.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 56d7d27fc114..81b7db7d68a8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6669,15 +6669,6 @@ S:	Maintained
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media.git
 F:	drivers/media/firewire/
 
-FIREWIRE SBP-2 TARGET
-M:	Chris Boot <bootc@bootc.net>
-L:	linux-scsi@vger.kernel.org
-L:	target-devel@vger.kernel.org
-L:	linux1394-devel@lists.sourceforge.net
-S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/nab/lio-core-2.6.git master
-F:	drivers/target/sbp/
-
 FIREWIRE SUBSYSTEM
 M:	Stefan Richter <stefanr@s5r6.in-berlin.de>
 L:	linux1394-devel@lists.sourceforge.net
diff --git a/drivers/target/Kconfig b/drivers/target/Kconfig
index c163b14774d7..4a5682745ada 100644
--- a/drivers/target/Kconfig
+++ b/drivers/target/Kconfig
@@ -46,6 +46,5 @@ config TCM_USER2
 source "drivers/target/loopback/Kconfig"
 source "drivers/target/tcm_fc/Kconfig"
 source "drivers/target/iscsi/Kconfig"
-source "drivers/target/sbp/Kconfig"
 
 endif
diff --git a/drivers/target/Makefile b/drivers/target/Makefile
index 45634747377e..c13da05af2e2 100644
--- a/drivers/target/Makefile
+++ b/drivers/target/Makefile
@@ -29,4 +29,3 @@ obj-$(CONFIG_TCM_USER2)		+= target_core_user.o
 obj-$(CONFIG_LOOPBACK_TARGET)	+= loopback/
 obj-$(CONFIG_TCM_FC)		+= tcm_fc/
 obj-$(CONFIG_ISCSI_TARGET)	+= iscsi/
-obj-$(CONFIG_SBP_TARGET)	+= sbp/
diff --git a/drivers/target/sbp/Kconfig b/drivers/target/sbp/Kconfig
deleted file mode 100644
index 53a1c75f5660..000000000000
--- a/drivers/target/sbp/Kconfig
+++ /dev/null
@@ -1,12 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-config SBP_TARGET
-	tristate "FireWire SBP-2 fabric module"
-	depends on FIREWIRE
-	help
-	  Say Y or M here to enable SCSI target functionality over FireWire.
-	  This enables you to expose SCSI devices to other nodes on the FireWire
-	  bus, for example hard disks. Similar to FireWire Target Disk mode on
-	  many Apple computers.
-
-	  To compile this driver as a module, say M here: The module will be
-	  called sbp-target.
diff --git a/drivers/target/sbp/Makefile b/drivers/target/sbp/Makefile
deleted file mode 100644
index 766f23690013..000000000000
--- a/drivers/target/sbp/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_SBP_TARGET) += sbp_target.o
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
deleted file mode 100644
index e4a9b9fe3dfb..000000000000
--- a/drivers/target/sbp/sbp_target.c
+++ /dev/null
@@ -1,2350 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * SBP2 target driver (SCSI over IEEE1394 in target mode)
- *
- * Copyright (C) 2011  Chris Boot <bootc@bootc.net>
- */
-
-#define KMSG_COMPONENT "sbp_target"
-#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/configfs.h>
-#include <linux/ctype.h>
-#include <linux/delay.h>
-#include <linux/firewire.h>
-#include <linux/firewire-constants.h>
-#include <scsi/scsi_proto.h>
-#include <scsi/scsi_tcq.h>
-#include <target/target_core_base.h>
-#include <target/target_core_backend.h>
-#include <target/target_core_fabric.h>
-#include <asm/unaligned.h>
-
-#include "sbp_target.h"
-
-/* FireWire address region for management and command block address handlers */
-static const struct fw_address_region sbp_register_region = {
-	.start	= CSR_REGISTER_BASE + 0x10000,
-	.end	= 0x1000000000000ULL,
-};
-
-static const u32 sbp_unit_directory_template[] = {
-	0x1200609e, /* unit_specifier_id: NCITS/T10 */
-	0x13010483, /* unit_sw_version: 1155D Rev 4 */
-	0x3800609e, /* command_set_specifier_id: NCITS/T10 */
-	0x390104d8, /* command_set: SPC-2 */
-	0x3b000000, /* command_set_revision: 0 */
-	0x3c000001, /* firmware_revision: 1 */
-};
-
-#define SESSION_MAINTENANCE_INTERVAL HZ
-
-static atomic_t login_id = ATOMIC_INIT(0);
-
-static void session_maintenance_work(struct work_struct *);
-static int sbp_run_transaction(struct fw_card *, int, int, int, int,
-		unsigned long long, void *, size_t);
-
-static int read_peer_guid(u64 *guid, const struct sbp_management_request *req)
-{
-	int ret;
-	__be32 high, low;
-
-	ret = sbp_run_transaction(req->card, TCODE_READ_QUADLET_REQUEST,
-			req->node_addr, req->generation, req->speed,
-			(CSR_REGISTER_BASE | CSR_CONFIG_ROM) + 3 * 4,
-			&high, sizeof(high));
-	if (ret != RCODE_COMPLETE)
-		return ret;
-
-	ret = sbp_run_transaction(req->card, TCODE_READ_QUADLET_REQUEST,
-			req->node_addr, req->generation, req->speed,
-			(CSR_REGISTER_BASE | CSR_CONFIG_ROM) + 4 * 4,
-			&low, sizeof(low));
-	if (ret != RCODE_COMPLETE)
-		return ret;
-
-	*guid = (u64)be32_to_cpu(high) << 32 | be32_to_cpu(low);
-
-	return RCODE_COMPLETE;
-}
-
-static struct sbp_session *sbp_session_find_by_guid(
-	struct sbp_tpg *tpg, u64 guid)
-{
-	struct se_session *se_sess;
-	struct sbp_session *sess, *found = NULL;
-
-	spin_lock_bh(&tpg->se_tpg.session_lock);
-	list_for_each_entry(se_sess, &tpg->se_tpg.tpg_sess_list, sess_list) {
-		sess = se_sess->fabric_sess_ptr;
-		if (sess->guid == guid)
-			found = sess;
-	}
-	spin_unlock_bh(&tpg->se_tpg.session_lock);
-
-	return found;
-}
-
-static struct sbp_login_descriptor *sbp_login_find_by_lun(
-		struct sbp_session *session, u32 unpacked_lun)
-{
-	struct sbp_login_descriptor *login, *found = NULL;
-
-	spin_lock_bh(&session->lock);
-	list_for_each_entry(login, &session->login_list, link) {
-		if (login->login_lun == unpacked_lun)
-			found = login;
-	}
-	spin_unlock_bh(&session->lock);
-
-	return found;
-}
-
-static int sbp_login_count_all_by_lun(
-		struct sbp_tpg *tpg,
-		u32 unpacked_lun,
-		int exclusive)
-{
-	struct se_session *se_sess;
-	struct sbp_session *sess;
-	struct sbp_login_descriptor *login;
-	int count = 0;
-
-	spin_lock_bh(&tpg->se_tpg.session_lock);
-	list_for_each_entry(se_sess, &tpg->se_tpg.tpg_sess_list, sess_list) {
-		sess = se_sess->fabric_sess_ptr;
-
-		spin_lock_bh(&sess->lock);
-		list_for_each_entry(login, &sess->login_list, link) {
-			if (login->login_lun != unpacked_lun)
-				continue;
-
-			if (!exclusive || login->exclusive)
-				count++;
-		}
-		spin_unlock_bh(&sess->lock);
-	}
-	spin_unlock_bh(&tpg->se_tpg.session_lock);
-
-	return count;
-}
-
-static struct sbp_login_descriptor *sbp_login_find_by_id(
-	struct sbp_tpg *tpg, int login_id)
-{
-	struct se_session *se_sess;
-	struct sbp_session *sess;
-	struct sbp_login_descriptor *login, *found = NULL;
-
-	spin_lock_bh(&tpg->se_tpg.session_lock);
-	list_for_each_entry(se_sess, &tpg->se_tpg.tpg_sess_list, sess_list) {
-		sess = se_sess->fabric_sess_ptr;
-
-		spin_lock_bh(&sess->lock);
-		list_for_each_entry(login, &sess->login_list, link) {
-			if (login->login_id == login_id)
-				found = login;
-		}
-		spin_unlock_bh(&sess->lock);
-	}
-	spin_unlock_bh(&tpg->se_tpg.session_lock);
-
-	return found;
-}
-
-static u32 sbp_get_lun_from_tpg(struct sbp_tpg *tpg, u32 login_lun, int *err)
-{
-	struct se_portal_group *se_tpg = &tpg->se_tpg;
-	struct se_lun *se_lun;
-
-	rcu_read_lock();
-	hlist_for_each_entry_rcu(se_lun, &se_tpg->tpg_lun_hlist, link) {
-		if (se_lun->unpacked_lun == login_lun) {
-			rcu_read_unlock();
-			*err = 0;
-			return login_lun;
-		}
-	}
-	rcu_read_unlock();
-
-	*err = -ENODEV;
-	return login_lun;
-}
-
-static struct sbp_session *sbp_session_create(
-		struct sbp_tpg *tpg,
-		u64 guid)
-{
-	struct sbp_session *sess;
-	int ret;
-	char guid_str[17];
-
-	snprintf(guid_str, sizeof(guid_str), "%016llx", guid);
-
-	sess = kmalloc(sizeof(*sess), GFP_KERNEL);
-	if (!sess)
-		return ERR_PTR(-ENOMEM);
-
-	spin_lock_init(&sess->lock);
-	INIT_LIST_HEAD(&sess->login_list);
-	INIT_DELAYED_WORK(&sess->maint_work, session_maintenance_work);
-	sess->guid = guid;
-
-	sess->se_sess = target_setup_session(&tpg->se_tpg, 128,
-					     sizeof(struct sbp_target_request),
-					     TARGET_PROT_NORMAL, guid_str,
-					     sess, NULL);
-	if (IS_ERR(sess->se_sess)) {
-		pr_err("failed to init se_session\n");
-		ret = PTR_ERR(sess->se_sess);
-		kfree(sess);
-		return ERR_PTR(ret);
-	}
-
-	return sess;
-}
-
-static void sbp_session_release(struct sbp_session *sess, bool cancel_work)
-{
-	spin_lock_bh(&sess->lock);
-	if (!list_empty(&sess->login_list)) {
-		spin_unlock_bh(&sess->lock);
-		return;
-	}
-	spin_unlock_bh(&sess->lock);
-
-	if (cancel_work)
-		cancel_delayed_work_sync(&sess->maint_work);
-
-	target_remove_session(sess->se_sess);
-
-	if (sess->card)
-		fw_card_put(sess->card);
-
-	kfree(sess);
-}
-
-static void sbp_target_agent_unregister(struct sbp_target_agent *);
-
-static void sbp_login_release(struct sbp_login_descriptor *login,
-	bool cancel_work)
-{
-	struct sbp_session *sess = login->sess;
-
-	/* FIXME: abort/wait on tasks */
-
-	sbp_target_agent_unregister(login->tgt_agt);
-
-	if (sess) {
-		spin_lock_bh(&sess->lock);
-		list_del(&login->link);
-		spin_unlock_bh(&sess->lock);
-
-		sbp_session_release(sess, cancel_work);
-	}
-
-	kfree(login);
-}
-
-static struct sbp_target_agent *sbp_target_agent_register(
-	struct sbp_login_descriptor *);
-
-static void sbp_management_request_login(
-	struct sbp_management_agent *agent, struct sbp_management_request *req,
-	int *status_data_size)
-{
-	struct sbp_tport *tport = agent->tport;
-	struct sbp_tpg *tpg = tport->tpg;
-	struct sbp_session *sess;
-	struct sbp_login_descriptor *login;
-	struct sbp_login_response_block *response;
-	u64 guid;
-	u32 unpacked_lun;
-	int login_response_len, ret;
-
-	unpacked_lun = sbp_get_lun_from_tpg(tpg,
-			LOGIN_ORB_LUN(be32_to_cpu(req->orb.misc)), &ret);
-	if (ret) {
-		pr_notice("login to unknown LUN: %d\n",
-			LOGIN_ORB_LUN(be32_to_cpu(req->orb.misc)));
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_LUN_NOTSUPP));
-		return;
-	}
-
-	ret = read_peer_guid(&guid, req);
-	if (ret != RCODE_COMPLETE) {
-		pr_warn("failed to read peer GUID: %d\n", ret);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-		return;
-	}
-
-	pr_notice("mgt_agent LOGIN to LUN %d from %016llx\n",
-		unpacked_lun, guid);
-
-	sess = sbp_session_find_by_guid(tpg, guid);
-	if (sess) {
-		login = sbp_login_find_by_lun(sess, unpacked_lun);
-		if (login) {
-			pr_notice("initiator already logged-in\n");
-
-			/*
-			 * SBP-2 R4 says we should return access denied, but
-			 * that can confuse initiators. Instead we need to
-			 * treat this like a reconnect, but send the login
-			 * response block like a fresh login.
-			 *
-			 * This is required particularly in the case of Apple
-			 * devices booting off the FireWire target, where
-			 * the firmware has an active login to the target. When
-			 * the OS takes control of the session it issues its own
-			 * LOGIN rather than a RECONNECT. To avoid the machine
-			 * waiting until the reconnect_hold expires, we can skip
-			 * the ACCESS_DENIED errors to speed things up.
-			 */
-
-			goto already_logged_in;
-		}
-	}
-
-	/*
-	 * check exclusive bit in login request
-	 * reject with access_denied if any logins present
-	 */
-	if (LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc)) &&
-			sbp_login_count_all_by_lun(tpg, unpacked_lun, 0)) {
-		pr_warn("refusing exclusive login with other active logins\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_ACCESS_DENIED));
-		return;
-	}
-
-	/*
-	 * check exclusive bit in any existing login descriptor
-	 * reject with access_denied if any exclusive logins present
-	 */
-	if (sbp_login_count_all_by_lun(tpg, unpacked_lun, 1)) {
-		pr_warn("refusing login while another exclusive login present\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_ACCESS_DENIED));
-		return;
-	}
-
-	/*
-	 * check we haven't exceeded the number of allowed logins
-	 * reject with resources_unavailable if we have
-	 */
-	if (sbp_login_count_all_by_lun(tpg, unpacked_lun, 0) >=
-			tport->max_logins_per_lun) {
-		pr_warn("max number of logins reached\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_RESOURCES_UNAVAIL));
-		return;
-	}
-
-	if (!sess) {
-		sess = sbp_session_create(tpg, guid);
-		if (IS_ERR(sess)) {
-			switch (PTR_ERR(sess)) {
-			case -EPERM:
-				ret = SBP_STATUS_ACCESS_DENIED;
-				break;
-			default:
-				ret = SBP_STATUS_RESOURCES_UNAVAIL;
-				break;
-			}
-
-			req->status.status = cpu_to_be32(
-				STATUS_BLOCK_RESP(
-					STATUS_RESP_REQUEST_COMPLETE) |
-				STATUS_BLOCK_SBP_STATUS(ret));
-			return;
-		}
-
-		sess->node_id = req->node_addr;
-		sess->card = fw_card_get(req->card);
-		sess->generation = req->generation;
-		sess->speed = req->speed;
-
-		schedule_delayed_work(&sess->maint_work,
-				SESSION_MAINTENANCE_INTERVAL);
-	}
-
-	/* only take the latest reconnect_hold into account */
-	sess->reconnect_hold = min(
-		1 << LOGIN_ORB_RECONNECT(be32_to_cpu(req->orb.misc)),
-		tport->max_reconnect_timeout) - 1;
-
-	login = kmalloc(sizeof(*login), GFP_KERNEL);
-	if (!login) {
-		pr_err("failed to allocate login descriptor\n");
-
-		sbp_session_release(sess, true);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_RESOURCES_UNAVAIL));
-		return;
-	}
-
-	login->sess = sess;
-	login->login_lun = unpacked_lun;
-	login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo);
-	login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc));
-	login->login_id = atomic_inc_return(&login_id);
-
-	login->tgt_agt = sbp_target_agent_register(login);
-	if (IS_ERR(login->tgt_agt)) {
-		ret = PTR_ERR(login->tgt_agt);
-		pr_err("failed to map command block handler: %d\n", ret);
-
-		sbp_session_release(sess, true);
-		kfree(login);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_RESOURCES_UNAVAIL));
-		return;
-	}
-
-	spin_lock_bh(&sess->lock);
-	list_add_tail(&login->link, &sess->login_list);
-	spin_unlock_bh(&sess->lock);
-
-already_logged_in:
-	response = kzalloc(sizeof(*response), GFP_KERNEL);
-	if (!response) {
-		pr_err("failed to allocate login response block\n");
-
-		sbp_login_release(login, true);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_RESOURCES_UNAVAIL));
-		return;
-	}
-
-	login_response_len = clamp_val(
-			LOGIN_ORB_RESPONSE_LENGTH(be32_to_cpu(req->orb.length)),
-			12, sizeof(*response));
-	response->misc = cpu_to_be32(
-		((login_response_len & 0xffff) << 16) |
-		(login->login_id & 0xffff));
-	response->reconnect_hold = cpu_to_be32(sess->reconnect_hold & 0xffff);
-	addr_to_sbp2_pointer(login->tgt_agt->handler.offset,
-		&response->command_block_agent);
-
-	ret = sbp_run_transaction(sess->card, TCODE_WRITE_BLOCK_REQUEST,
-		sess->node_id, sess->generation, sess->speed,
-		sbp2_pointer_to_addr(&req->orb.ptr2), response,
-		login_response_len);
-	if (ret != RCODE_COMPLETE) {
-		pr_debug("failed to write login response block: %x\n", ret);
-
-		kfree(response);
-		sbp_login_release(login, true);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-		return;
-	}
-
-	kfree(response);
-
-	req->status.status = cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_OK));
-}
-
-static void sbp_management_request_query_logins(
-	struct sbp_management_agent *agent, struct sbp_management_request *req,
-	int *status_data_size)
-{
-	pr_notice("QUERY LOGINS not implemented\n");
-	/* FIXME: implement */
-
-	req->status.status = cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-}
-
-static void sbp_management_request_reconnect(
-	struct sbp_management_agent *agent, struct sbp_management_request *req,
-	int *status_data_size)
-{
-	struct sbp_tport *tport = agent->tport;
-	struct sbp_tpg *tpg = tport->tpg;
-	int ret;
-	u64 guid;
-	struct sbp_login_descriptor *login;
-
-	ret = read_peer_guid(&guid, req);
-	if (ret != RCODE_COMPLETE) {
-		pr_warn("failed to read peer GUID: %d\n", ret);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-		return;
-	}
-
-	pr_notice("mgt_agent RECONNECT from %016llx\n", guid);
-
-	login = sbp_login_find_by_id(tpg,
-		RECONNECT_ORB_LOGIN_ID(be32_to_cpu(req->orb.misc)));
-
-	if (!login) {
-		pr_err("mgt_agent RECONNECT unknown login ID\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_ACCESS_DENIED));
-		return;
-	}
-
-	if (login->sess->guid != guid) {
-		pr_err("mgt_agent RECONNECT login GUID doesn't match\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_ACCESS_DENIED));
-		return;
-	}
-
-	spin_lock_bh(&login->sess->lock);
-	if (login->sess->card)
-		fw_card_put(login->sess->card);
-
-	/* update the node details */
-	login->sess->generation = req->generation;
-	login->sess->node_id = req->node_addr;
-	login->sess->card = fw_card_get(req->card);
-	login->sess->speed = req->speed;
-	spin_unlock_bh(&login->sess->lock);
-
-	req->status.status = cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_OK));
-}
-
-static void sbp_management_request_logout(
-	struct sbp_management_agent *agent, struct sbp_management_request *req,
-	int *status_data_size)
-{
-	struct sbp_tport *tport = agent->tport;
-	struct sbp_tpg *tpg = tport->tpg;
-	int id;
-	struct sbp_login_descriptor *login;
-
-	id = LOGOUT_ORB_LOGIN_ID(be32_to_cpu(req->orb.misc));
-
-	login = sbp_login_find_by_id(tpg, id);
-	if (!login) {
-		pr_warn("cannot find login: %d\n", id);
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_LOGIN_ID_UNKNOWN));
-		return;
-	}
-
-	pr_info("mgt_agent LOGOUT from LUN %d session %d\n",
-		login->login_lun, login->login_id);
-
-	if (req->node_addr != login->sess->node_id) {
-		pr_warn("logout from different node ID\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_ACCESS_DENIED));
-		return;
-	}
-
-	sbp_login_release(login, true);
-
-	req->status.status = cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_OK));
-}
-
-static void session_check_for_reset(struct sbp_session *sess)
-{
-	bool card_valid = false;
-
-	spin_lock_bh(&sess->lock);
-
-	if (sess->card) {
-		spin_lock_irq(&sess->card->lock);
-		card_valid = (sess->card->local_node != NULL);
-		spin_unlock_irq(&sess->card->lock);
-
-		if (!card_valid) {
-			fw_card_put(sess->card);
-			sess->card = NULL;
-		}
-	}
-
-	if (!card_valid || (sess->generation != sess->card->generation)) {
-		pr_info("Waiting for reconnect from node: %016llx\n",
-				sess->guid);
-
-		sess->node_id = -1;
-		sess->reconnect_expires = get_jiffies_64() +
-			((sess->reconnect_hold + 1) * HZ);
-	}
-
-	spin_unlock_bh(&sess->lock);
-}
-
-static void session_reconnect_expired(struct sbp_session *sess)
-{
-	struct sbp_login_descriptor *login, *temp;
-	LIST_HEAD(login_list);
-
-	pr_info("Reconnect timer expired for node: %016llx\n", sess->guid);
-
-	spin_lock_bh(&sess->lock);
-	list_for_each_entry_safe(login, temp, &sess->login_list, link) {
-		login->sess = NULL;
-		list_move_tail(&login->link, &login_list);
-	}
-	spin_unlock_bh(&sess->lock);
-
-	list_for_each_entry_safe(login, temp, &login_list, link) {
-		list_del(&login->link);
-		sbp_login_release(login, false);
-	}
-
-	sbp_session_release(sess, false);
-}
-
-static void session_maintenance_work(struct work_struct *work)
-{
-	struct sbp_session *sess = container_of(work, struct sbp_session,
-			maint_work.work);
-
-	/* could be called while tearing down the session */
-	spin_lock_bh(&sess->lock);
-	if (list_empty(&sess->login_list)) {
-		spin_unlock_bh(&sess->lock);
-		return;
-	}
-	spin_unlock_bh(&sess->lock);
-
-	if (sess->node_id != -1) {
-		/* check for bus reset and make node_id invalid */
-		session_check_for_reset(sess);
-
-		schedule_delayed_work(&sess->maint_work,
-				SESSION_MAINTENANCE_INTERVAL);
-	} else if (!time_after64(get_jiffies_64(), sess->reconnect_expires)) {
-		/* still waiting for reconnect */
-		schedule_delayed_work(&sess->maint_work,
-				SESSION_MAINTENANCE_INTERVAL);
-	} else {
-		/* reconnect timeout has expired */
-		session_reconnect_expired(sess);
-	}
-}
-
-static int tgt_agent_rw_agent_state(struct fw_card *card, int tcode, void *data,
-		struct sbp_target_agent *agent)
-{
-	int state;
-
-	switch (tcode) {
-	case TCODE_READ_QUADLET_REQUEST:
-		pr_debug("tgt_agent AGENT_STATE READ\n");
-
-		spin_lock_bh(&agent->lock);
-		state = agent->state;
-		spin_unlock_bh(&agent->lock);
-
-		*(__be32 *)data = cpu_to_be32(state);
-
-		return RCODE_COMPLETE;
-
-	case TCODE_WRITE_QUADLET_REQUEST:
-		/* ignored */
-		return RCODE_COMPLETE;
-
-	default:
-		return RCODE_TYPE_ERROR;
-	}
-}
-
-static int tgt_agent_rw_agent_reset(struct fw_card *card, int tcode, void *data,
-		struct sbp_target_agent *agent)
-{
-	switch (tcode) {
-	case TCODE_WRITE_QUADLET_REQUEST:
-		pr_debug("tgt_agent AGENT_RESET\n");
-		spin_lock_bh(&agent->lock);
-		agent->state = AGENT_STATE_RESET;
-		spin_unlock_bh(&agent->lock);
-		return RCODE_COMPLETE;
-
-	default:
-		return RCODE_TYPE_ERROR;
-	}
-}
-
-static int tgt_agent_rw_orb_pointer(struct fw_card *card, int tcode, void *data,
-		struct sbp_target_agent *agent)
-{
-	struct sbp2_pointer *ptr = data;
-
-	switch (tcode) {
-	case TCODE_WRITE_BLOCK_REQUEST:
-		spin_lock_bh(&agent->lock);
-		if (agent->state != AGENT_STATE_SUSPENDED &&
-				agent->state != AGENT_STATE_RESET) {
-			spin_unlock_bh(&agent->lock);
-			pr_notice("Ignoring ORB_POINTER write while active.\n");
-			return RCODE_CONFLICT_ERROR;
-		}
-		agent->state = AGENT_STATE_ACTIVE;
-		spin_unlock_bh(&agent->lock);
-
-		agent->orb_pointer = sbp2_pointer_to_addr(ptr);
-		agent->doorbell = false;
-
-		pr_debug("tgt_agent ORB_POINTER write: 0x%llx\n",
-				agent->orb_pointer);
-
-		queue_work(system_unbound_wq, &agent->work);
-
-		return RCODE_COMPLETE;
-
-	case TCODE_READ_BLOCK_REQUEST:
-		pr_debug("tgt_agent ORB_POINTER READ\n");
-		spin_lock_bh(&agent->lock);
-		addr_to_sbp2_pointer(agent->orb_pointer, ptr);
-		spin_unlock_bh(&agent->lock);
-		return RCODE_COMPLETE;
-
-	default:
-		return RCODE_TYPE_ERROR;
-	}
-}
-
-static int tgt_agent_rw_doorbell(struct fw_card *card, int tcode, void *data,
-		struct sbp_target_agent *agent)
-{
-	switch (tcode) {
-	case TCODE_WRITE_QUADLET_REQUEST:
-		spin_lock_bh(&agent->lock);
-		if (agent->state != AGENT_STATE_SUSPENDED) {
-			spin_unlock_bh(&agent->lock);
-			pr_debug("Ignoring DOORBELL while active.\n");
-			return RCODE_CONFLICT_ERROR;
-		}
-		agent->state = AGENT_STATE_ACTIVE;
-		spin_unlock_bh(&agent->lock);
-
-		agent->doorbell = true;
-
-		pr_debug("tgt_agent DOORBELL\n");
-
-		queue_work(system_unbound_wq, &agent->work);
-
-		return RCODE_COMPLETE;
-
-	case TCODE_READ_QUADLET_REQUEST:
-		return RCODE_COMPLETE;
-
-	default:
-		return RCODE_TYPE_ERROR;
-	}
-}
-
-static int tgt_agent_rw_unsolicited_status_enable(struct fw_card *card,
-		int tcode, void *data, struct sbp_target_agent *agent)
-{
-	switch (tcode) {
-	case TCODE_WRITE_QUADLET_REQUEST:
-		pr_debug("tgt_agent UNSOLICITED_STATUS_ENABLE\n");
-		/* ignored as we don't send unsolicited status */
-		return RCODE_COMPLETE;
-
-	case TCODE_READ_QUADLET_REQUEST:
-		return RCODE_COMPLETE;
-
-	default:
-		return RCODE_TYPE_ERROR;
-	}
-}
-
-static void tgt_agent_rw(struct fw_card *card, struct fw_request *request,
-		int tcode, int destination, int source, int generation,
-		unsigned long long offset, void *data, size_t length,
-		void *callback_data)
-{
-	struct sbp_target_agent *agent = callback_data;
-	struct sbp_session *sess = agent->login->sess;
-	int sess_gen, sess_node, rcode;
-
-	spin_lock_bh(&sess->lock);
-	sess_gen = sess->generation;
-	sess_node = sess->node_id;
-	spin_unlock_bh(&sess->lock);
-
-	if (generation != sess_gen) {
-		pr_notice("ignoring request with wrong generation\n");
-		rcode = RCODE_TYPE_ERROR;
-		goto out;
-	}
-
-	if (source != sess_node) {
-		pr_notice("ignoring request from foreign node (%x != %x)\n",
-				source, sess_node);
-		rcode = RCODE_TYPE_ERROR;
-		goto out;
-	}
-
-	/* turn offset into the offset from the start of the block */
-	offset -= agent->handler.offset;
-
-	if (offset == 0x00 && length == 4) {
-		/* AGENT_STATE */
-		rcode = tgt_agent_rw_agent_state(card, tcode, data, agent);
-	} else if (offset == 0x04 && length == 4) {
-		/* AGENT_RESET */
-		rcode = tgt_agent_rw_agent_reset(card, tcode, data, agent);
-	} else if (offset == 0x08 && length == 8) {
-		/* ORB_POINTER */
-		rcode = tgt_agent_rw_orb_pointer(card, tcode, data, agent);
-	} else if (offset == 0x10 && length == 4) {
-		/* DOORBELL */
-		rcode = tgt_agent_rw_doorbell(card, tcode, data, agent);
-	} else if (offset == 0x14 && length == 4) {
-		/* UNSOLICITED_STATUS_ENABLE */
-		rcode = tgt_agent_rw_unsolicited_status_enable(card, tcode,
-				data, agent);
-	} else {
-		rcode = RCODE_ADDRESS_ERROR;
-	}
-
-out:
-	fw_send_response(card, request, rcode);
-}
-
-static void sbp_handle_command(struct sbp_target_request *);
-static int sbp_send_status(struct sbp_target_request *);
-static void sbp_free_request(struct sbp_target_request *);
-
-static void tgt_agent_process_work(struct work_struct *work)
-{
-	struct sbp_target_request *req =
-		container_of(work, struct sbp_target_request, work);
-
-	pr_debug("tgt_orb ptr:0x%llx next_ORB:0x%llx data_descriptor:0x%llx misc:0x%x\n",
-			req->orb_pointer,
-			sbp2_pointer_to_addr(&req->orb.next_orb),
-			sbp2_pointer_to_addr(&req->orb.data_descriptor),
-			be32_to_cpu(req->orb.misc));
-
-	if (req->orb_pointer >> 32)
-		pr_debug("ORB with high bits set\n");
-
-	switch (ORB_REQUEST_FORMAT(be32_to_cpu(req->orb.misc))) {
-		case 0:/* Format specified by this standard */
-			sbp_handle_command(req);
-			return;
-		case 1: /* Reserved for future standardization */
-		case 2: /* Vendor-dependent */
-			req->status.status |= cpu_to_be32(
-					STATUS_BLOCK_RESP(
-						STATUS_RESP_REQUEST_COMPLETE) |
-					STATUS_BLOCK_DEAD(0) |
-					STATUS_BLOCK_LEN(1) |
-					STATUS_BLOCK_SBP_STATUS(
-						SBP_STATUS_REQ_TYPE_NOTSUPP));
-			sbp_send_status(req);
-			return;
-		case 3: /* Dummy ORB */
-			req->status.status |= cpu_to_be32(
-					STATUS_BLOCK_RESP(
-						STATUS_RESP_REQUEST_COMPLETE) |
-					STATUS_BLOCK_DEAD(0) |
-					STATUS_BLOCK_LEN(1) |
-					STATUS_BLOCK_SBP_STATUS(
-						SBP_STATUS_DUMMY_ORB_COMPLETE));
-			sbp_send_status(req);
-			return;
-		default:
-			BUG();
-	}
-}
-
-/* used to double-check we haven't been issued an AGENT_RESET */
-static inline bool tgt_agent_check_active(struct sbp_target_agent *agent)
-{
-	bool active;
-
-	spin_lock_bh(&agent->lock);
-	active = (agent->state == AGENT_STATE_ACTIVE);
-	spin_unlock_bh(&agent->lock);
-
-	return active;
-}
-
-static struct sbp_target_request *sbp_mgt_get_req(struct sbp_session *sess,
-	struct fw_card *card, u64 next_orb)
-{
-	struct se_session *se_sess = sess->se_sess;
-	struct sbp_target_request *req;
-	int tag, cpu;
-
-	tag = sbitmap_queue_get(&se_sess->sess_tag_pool, &cpu);
-	if (tag < 0)
-		return ERR_PTR(-ENOMEM);
-
-	req = &((struct sbp_target_request *)se_sess->sess_cmd_map)[tag];
-	memset(req, 0, sizeof(*req));
-	req->se_cmd.map_tag = tag;
-	req->se_cmd.map_cpu = cpu;
-	req->se_cmd.tag = next_orb;
-
-	return req;
-}
-
-static void tgt_agent_fetch_work(struct work_struct *work)
-{
-	struct sbp_target_agent *agent =
-		container_of(work, struct sbp_target_agent, work);
-	struct sbp_session *sess = agent->login->sess;
-	struct sbp_target_request *req;
-	int ret;
-	bool doorbell = agent->doorbell;
-	u64 next_orb = agent->orb_pointer;
-
-	while (next_orb && tgt_agent_check_active(agent)) {
-		req = sbp_mgt_get_req(sess, sess->card, next_orb);
-		if (IS_ERR(req)) {
-			spin_lock_bh(&agent->lock);
-			agent->state = AGENT_STATE_DEAD;
-			spin_unlock_bh(&agent->lock);
-			return;
-		}
-
-		req->login = agent->login;
-		req->orb_pointer = next_orb;
-
-		req->status.status = cpu_to_be32(STATUS_BLOCK_ORB_OFFSET_HIGH(
-					req->orb_pointer >> 32));
-		req->status.orb_low = cpu_to_be32(
-				req->orb_pointer & 0xfffffffc);
-
-		/* read in the ORB */
-		ret = sbp_run_transaction(sess->card, TCODE_READ_BLOCK_REQUEST,
-				sess->node_id, sess->generation, sess->speed,
-				req->orb_pointer, &req->orb, sizeof(req->orb));
-		if (ret != RCODE_COMPLETE) {
-			pr_debug("tgt_orb fetch failed: %x\n", ret);
-			req->status.status |= cpu_to_be32(
-					STATUS_BLOCK_SRC(
-						STATUS_SRC_ORB_FINISHED) |
-					STATUS_BLOCK_RESP(
-						STATUS_RESP_TRANSPORT_FAILURE) |
-					STATUS_BLOCK_DEAD(1) |
-					STATUS_BLOCK_LEN(1) |
-					STATUS_BLOCK_SBP_STATUS(
-						SBP_STATUS_UNSPECIFIED_ERROR));
-			spin_lock_bh(&agent->lock);
-			agent->state = AGENT_STATE_DEAD;
-			spin_unlock_bh(&agent->lock);
-
-			sbp_send_status(req);
-			return;
-		}
-
-		/* check the next_ORB field */
-		if (be32_to_cpu(req->orb.next_orb.high) & 0x80000000) {
-			next_orb = 0;
-			req->status.status |= cpu_to_be32(STATUS_BLOCK_SRC(
-						STATUS_SRC_ORB_FINISHED));
-		} else {
-			next_orb = sbp2_pointer_to_addr(&req->orb.next_orb);
-			req->status.status |= cpu_to_be32(STATUS_BLOCK_SRC(
-						STATUS_SRC_ORB_CONTINUING));
-		}
-
-		if (tgt_agent_check_active(agent) && !doorbell) {
-			INIT_WORK(&req->work, tgt_agent_process_work);
-			queue_work(system_unbound_wq, &req->work);
-		} else {
-			/* don't process this request, just check next_ORB */
-			sbp_free_request(req);
-		}
-
-		spin_lock_bh(&agent->lock);
-		doorbell = agent->doorbell = false;
-
-		/* check if we should carry on processing */
-		if (next_orb)
-			agent->orb_pointer = next_orb;
-		else
-			agent->state = AGENT_STATE_SUSPENDED;
-
-		spin_unlock_bh(&agent->lock);
-	};
-}
-
-static struct sbp_target_agent *sbp_target_agent_register(
-		struct sbp_login_descriptor *login)
-{
-	struct sbp_target_agent *agent;
-	int ret;
-
-	agent = kmalloc(sizeof(*agent), GFP_KERNEL);
-	if (!agent)
-		return ERR_PTR(-ENOMEM);
-
-	spin_lock_init(&agent->lock);
-
-	agent->handler.length = 0x20;
-	agent->handler.address_callback = tgt_agent_rw;
-	agent->handler.callback_data = agent;
-
-	agent->login = login;
-	agent->state = AGENT_STATE_RESET;
-	INIT_WORK(&agent->work, tgt_agent_fetch_work);
-	agent->orb_pointer = 0;
-	agent->doorbell = false;
-
-	ret = fw_core_add_address_handler(&agent->handler,
-			&sbp_register_region);
-	if (ret < 0) {
-		kfree(agent);
-		return ERR_PTR(ret);
-	}
-
-	return agent;
-}
-
-static void sbp_target_agent_unregister(struct sbp_target_agent *agent)
-{
-	fw_core_remove_address_handler(&agent->handler);
-	cancel_work_sync(&agent->work);
-	kfree(agent);
-}
-
-/*
- * Simple wrapper around fw_run_transaction that retries the transaction several
- * times in case of failure, with an exponential backoff.
- */
-static int sbp_run_transaction(struct fw_card *card, int tcode, int destination_id,
-		int generation, int speed, unsigned long long offset,
-		void *payload, size_t length)
-{
-	int attempt, ret, delay;
-
-	for (attempt = 1; attempt <= 5; attempt++) {
-		ret = fw_run_transaction(card, tcode, destination_id,
-				generation, speed, offset, payload, length);
-
-		switch (ret) {
-		case RCODE_COMPLETE:
-		case RCODE_TYPE_ERROR:
-		case RCODE_ADDRESS_ERROR:
-		case RCODE_GENERATION:
-			return ret;
-
-		default:
-			delay = 5 * attempt * attempt;
-			usleep_range(delay, delay * 2);
-		}
-	}
-
-	return ret;
-}
-
-/*
- * Wrapper around sbp_run_transaction that gets the card, destination,
- * generation and speed out of the request's session.
- */
-static int sbp_run_request_transaction(struct sbp_target_request *req,
-		int tcode, unsigned long long offset, void *payload,
-		size_t length)
-{
-	struct sbp_login_descriptor *login = req->login;
-	struct sbp_session *sess = login->sess;
-	struct fw_card *card;
-	int node_id, generation, speed, ret;
-
-	spin_lock_bh(&sess->lock);
-	card = fw_card_get(sess->card);
-	node_id = sess->node_id;
-	generation = sess->generation;
-	speed = sess->speed;
-	spin_unlock_bh(&sess->lock);
-
-	ret = sbp_run_transaction(card, tcode, node_id, generation, speed,
-			offset, payload, length);
-
-	fw_card_put(card);
-
-	return ret;
-}
-
-static int sbp_fetch_command(struct sbp_target_request *req)
-{
-	int ret, cmd_len, copy_len;
-
-	cmd_len = scsi_command_size(req->orb.command_block);
-
-	req->cmd_buf = kmalloc(cmd_len, GFP_KERNEL);
-	if (!req->cmd_buf)
-		return -ENOMEM;
-
-	memcpy(req->cmd_buf, req->orb.command_block,
-		min_t(int, cmd_len, sizeof(req->orb.command_block)));
-
-	if (cmd_len > sizeof(req->orb.command_block)) {
-		pr_debug("sbp_fetch_command: filling in long command\n");
-		copy_len = cmd_len - sizeof(req->orb.command_block);
-
-		ret = sbp_run_request_transaction(req,
-				TCODE_READ_BLOCK_REQUEST,
-				req->orb_pointer + sizeof(req->orb),
-				req->cmd_buf + sizeof(req->orb.command_block),
-				copy_len);
-		if (ret != RCODE_COMPLETE)
-			return -EIO;
-	}
-
-	return 0;
-}
-
-static int sbp_fetch_page_table(struct sbp_target_request *req)
-{
-	int pg_tbl_sz, ret;
-	struct sbp_page_table_entry *pg_tbl;
-
-	if (!CMDBLK_ORB_PG_TBL_PRESENT(be32_to_cpu(req->orb.misc)))
-		return 0;
-
-	pg_tbl_sz = CMDBLK_ORB_DATA_SIZE(be32_to_cpu(req->orb.misc)) *
-		sizeof(struct sbp_page_table_entry);
-
-	pg_tbl = kmalloc(pg_tbl_sz, GFP_KERNEL);
-	if (!pg_tbl)
-		return -ENOMEM;
-
-	ret = sbp_run_request_transaction(req, TCODE_READ_BLOCK_REQUEST,
-			sbp2_pointer_to_addr(&req->orb.data_descriptor),
-			pg_tbl, pg_tbl_sz);
-	if (ret != RCODE_COMPLETE) {
-		kfree(pg_tbl);
-		return -EIO;
-	}
-
-	req->pg_tbl = pg_tbl;
-	return 0;
-}
-
-static void sbp_calc_data_length_direction(struct sbp_target_request *req,
-	u32 *data_len, enum dma_data_direction *data_dir)
-{
-	int data_size, direction, idx;
-
-	data_size = CMDBLK_ORB_DATA_SIZE(be32_to_cpu(req->orb.misc));
-	direction = CMDBLK_ORB_DIRECTION(be32_to_cpu(req->orb.misc));
-
-	if (!data_size) {
-		*data_len = 0;
-		*data_dir = DMA_NONE;
-		return;
-	}
-
-	*data_dir = direction ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
-
-	if (req->pg_tbl) {
-		*data_len = 0;
-		for (idx = 0; idx < data_size; idx++) {
-			*data_len += be16_to_cpu(
-					req->pg_tbl[idx].segment_length);
-		}
-	} else {
-		*data_len = data_size;
-	}
-}
-
-static void sbp_handle_command(struct sbp_target_request *req)
-{
-	struct sbp_login_descriptor *login = req->login;
-	struct sbp_session *sess = login->sess;
-	int ret, unpacked_lun;
-	u32 data_length;
-	enum dma_data_direction data_dir;
-
-	ret = sbp_fetch_command(req);
-	if (ret) {
-		pr_debug("sbp_handle_command: fetch command failed: %d\n", ret);
-		goto err;
-	}
-
-	ret = sbp_fetch_page_table(req);
-	if (ret) {
-		pr_debug("sbp_handle_command: fetch page table failed: %d\n",
-			ret);
-		goto err;
-	}
-
-	unpacked_lun = req->login->login_lun;
-	sbp_calc_data_length_direction(req, &data_length, &data_dir);
-
-	pr_debug("sbp_handle_command ORB:0x%llx unpacked_lun:%d data_len:%d data_dir:%d\n",
-			req->orb_pointer, unpacked_lun, data_length, data_dir);
-
-	/* only used for printk until we do TMRs */
-	req->se_cmd.tag = req->orb_pointer;
-	if (target_submit_cmd(&req->se_cmd, sess->se_sess, req->cmd_buf,
-			      req->sense_buf, unpacked_lun, data_length,
-			      TCM_SIMPLE_TAG, data_dir, TARGET_SCF_ACK_KREF))
-		goto err;
-
-	return;
-
-err:
-	req->status.status |= cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-		STATUS_BLOCK_DEAD(0) |
-		STATUS_BLOCK_LEN(1) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-	sbp_send_status(req);
-}
-
-/*
- * DMA_TO_DEVICE = read from initiator (SCSI WRITE)
- * DMA_FROM_DEVICE = write to initiator (SCSI READ)
- */
-static int sbp_rw_data(struct sbp_target_request *req)
-{
-	struct sbp_session *sess = req->login->sess;
-	int tcode, sg_miter_flags, max_payload, pg_size, speed, node_id,
-		generation, num_pte, length, tfr_length,
-		rcode = RCODE_COMPLETE;
-	struct sbp_page_table_entry *pte;
-	unsigned long long offset;
-	struct fw_card *card;
-	struct sg_mapping_iter iter;
-
-	if (req->se_cmd.data_direction == DMA_FROM_DEVICE) {
-		tcode = TCODE_WRITE_BLOCK_REQUEST;
-		sg_miter_flags = SG_MITER_FROM_SG;
-	} else {
-		tcode = TCODE_READ_BLOCK_REQUEST;
-		sg_miter_flags = SG_MITER_TO_SG;
-	}
-
-	max_payload = 4 << CMDBLK_ORB_MAX_PAYLOAD(be32_to_cpu(req->orb.misc));
-	speed = CMDBLK_ORB_SPEED(be32_to_cpu(req->orb.misc));
-
-	pg_size = CMDBLK_ORB_PG_SIZE(be32_to_cpu(req->orb.misc));
-	if (pg_size) {
-		pr_err("sbp_run_transaction: page size ignored\n");
-		pg_size = 0x100 << pg_size;
-	}
-
-	spin_lock_bh(&sess->lock);
-	card = fw_card_get(sess->card);
-	node_id = sess->node_id;
-	generation = sess->generation;
-	spin_unlock_bh(&sess->lock);
-
-	if (req->pg_tbl) {
-		pte = req->pg_tbl;
-		num_pte = CMDBLK_ORB_DATA_SIZE(be32_to_cpu(req->orb.misc));
-
-		offset = 0;
-		length = 0;
-	} else {
-		pte = NULL;
-		num_pte = 0;
-
-		offset = sbp2_pointer_to_addr(&req->orb.data_descriptor);
-		length = req->se_cmd.data_length;
-	}
-
-	sg_miter_start(&iter, req->se_cmd.t_data_sg, req->se_cmd.t_data_nents,
-		sg_miter_flags);
-
-	while (length || num_pte) {
-		if (!length) {
-			offset = (u64)be16_to_cpu(pte->segment_base_hi) << 32 |
-				be32_to_cpu(pte->segment_base_lo);
-			length = be16_to_cpu(pte->segment_length);
-
-			pte++;
-			num_pte--;
-		}
-
-		sg_miter_next(&iter);
-
-		tfr_length = min3(length, max_payload, (int)iter.length);
-
-		/* FIXME: take page_size into account */
-
-		rcode = sbp_run_transaction(card, tcode, node_id,
-				generation, speed,
-				offset, iter.addr, tfr_length);
-
-		if (rcode != RCODE_COMPLETE)
-			break;
-
-		length -= tfr_length;
-		offset += tfr_length;
-		iter.consumed = tfr_length;
-	}
-
-	sg_miter_stop(&iter);
-	fw_card_put(card);
-
-	if (rcode == RCODE_COMPLETE) {
-		WARN_ON(length != 0);
-		return 0;
-	} else {
-		return -EIO;
-	}
-}
-
-static int sbp_send_status(struct sbp_target_request *req)
-{
-	int rc, ret = 0, length;
-	struct sbp_login_descriptor *login = req->login;
-
-	length = (((be32_to_cpu(req->status.status) >> 24) & 0x07) + 1) * 4;
-
-	rc = sbp_run_request_transaction(req, TCODE_WRITE_BLOCK_REQUEST,
-			login->status_fifo_addr, &req->status, length);
-	if (rc != RCODE_COMPLETE) {
-		pr_debug("sbp_send_status: write failed: 0x%x\n", rc);
-		ret = -EIO;
-		goto put_ref;
-	}
-
-	pr_debug("sbp_send_status: status write complete for ORB: 0x%llx\n",
-			req->orb_pointer);
-	/*
-	 * Drop the extra ACK_KREF reference taken by target_submit_cmd()
-	 * ahead of sbp_check_stop_free() -> transport_generic_free_cmd()
-	 * final se_cmd->cmd_kref put.
-	 */
-put_ref:
-	target_put_sess_cmd(&req->se_cmd);
-	return ret;
-}
-
-static void sbp_sense_mangle(struct sbp_target_request *req)
-{
-	struct se_cmd *se_cmd = &req->se_cmd;
-	u8 *sense = req->sense_buf;
-	u8 *status = req->status.data;
-
-	WARN_ON(se_cmd->scsi_sense_length < 18);
-
-	switch (sense[0] & 0x7f) { 		/* sfmt */
-	case 0x70: /* current, fixed */
-		status[0] = 0 << 6;
-		break;
-	case 0x71: /* deferred, fixed */
-		status[0] = 1 << 6;
-		break;
-	case 0x72: /* current, descriptor */
-	case 0x73: /* deferred, descriptor */
-	default:
-		/*
-		 * TODO: SBP-3 specifies what we should do with descriptor
-		 * format sense data
-		 */
-		pr_err("sbp_send_sense: unknown sense format: 0x%x\n",
-			sense[0]);
-		req->status.status |= cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_DEAD(0) |
-			STATUS_BLOCK_LEN(1) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQUEST_ABORTED));
-		return;
-	}
-
-	status[0] |= se_cmd->scsi_status & 0x3f;/* status */
-	status[1] =
-		(sense[0] & 0x80) |		/* valid */
-		((sense[2] & 0xe0) >> 1) |	/* mark, eom, ili */
-		(sense[2] & 0x0f);		/* sense_key */
-	status[2] = se_cmd->scsi_asc;		/* sense_code */
-	status[3] = se_cmd->scsi_ascq;		/* sense_qualifier */
-
-	/* information */
-	status[4] = sense[3];
-	status[5] = sense[4];
-	status[6] = sense[5];
-	status[7] = sense[6];
-
-	/* CDB-dependent */
-	status[8] = sense[8];
-	status[9] = sense[9];
-	status[10] = sense[10];
-	status[11] = sense[11];
-
-	/* fru */
-	status[12] = sense[14];
-
-	/* sense_key-dependent */
-	status[13] = sense[15];
-	status[14] = sense[16];
-	status[15] = sense[17];
-
-	req->status.status |= cpu_to_be32(
-		STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-		STATUS_BLOCK_DEAD(0) |
-		STATUS_BLOCK_LEN(5) |
-		STATUS_BLOCK_SBP_STATUS(SBP_STATUS_OK));
-}
-
-static int sbp_send_sense(struct sbp_target_request *req)
-{
-	struct se_cmd *se_cmd = &req->se_cmd;
-
-	if (se_cmd->scsi_sense_length) {
-		sbp_sense_mangle(req);
-	} else {
-		req->status.status |= cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_DEAD(0) |
-			STATUS_BLOCK_LEN(1) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_OK));
-	}
-
-	return sbp_send_status(req);
-}
-
-static void sbp_free_request(struct sbp_target_request *req)
-{
-	struct se_cmd *se_cmd = &req->se_cmd;
-	struct se_session *se_sess = se_cmd->se_sess;
-
-	kfree(req->pg_tbl);
-	kfree(req->cmd_buf);
-
-	target_free_tag(se_sess, se_cmd);
-}
-
-static void sbp_mgt_agent_process(struct work_struct *work)
-{
-	struct sbp_management_agent *agent =
-		container_of(work, struct sbp_management_agent, work);
-	struct sbp_management_request *req = agent->request;
-	int ret;
-	int status_data_len = 0;
-
-	/* fetch the ORB from the initiator */
-	ret = sbp_run_transaction(req->card, TCODE_READ_BLOCK_REQUEST,
-		req->node_addr, req->generation, req->speed,
-		agent->orb_offset, &req->orb, sizeof(req->orb));
-	if (ret != RCODE_COMPLETE) {
-		pr_debug("mgt_orb fetch failed: %x\n", ret);
-		goto out;
-	}
-
-	pr_debug("mgt_orb ptr1:0x%llx ptr2:0x%llx misc:0x%x len:0x%x status_fifo:0x%llx\n",
-		sbp2_pointer_to_addr(&req->orb.ptr1),
-		sbp2_pointer_to_addr(&req->orb.ptr2),
-		be32_to_cpu(req->orb.misc), be32_to_cpu(req->orb.length),
-		sbp2_pointer_to_addr(&req->orb.status_fifo));
-
-	if (!ORB_NOTIFY(be32_to_cpu(req->orb.misc)) ||
-		ORB_REQUEST_FORMAT(be32_to_cpu(req->orb.misc)) != 0) {
-		pr_err("mgt_orb bad request\n");
-		goto out;
-	}
-
-	switch (MANAGEMENT_ORB_FUNCTION(be32_to_cpu(req->orb.misc))) {
-	case MANAGEMENT_ORB_FUNCTION_LOGIN:
-		sbp_management_request_login(agent, req, &status_data_len);
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_QUERY_LOGINS:
-		sbp_management_request_query_logins(agent, req,
-				&status_data_len);
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_RECONNECT:
-		sbp_management_request_reconnect(agent, req, &status_data_len);
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_SET_PASSWORD:
-		pr_notice("SET PASSWORD not implemented\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_LOGOUT:
-		sbp_management_request_logout(agent, req, &status_data_len);
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_ABORT_TASK:
-		pr_notice("ABORT TASK not implemented\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_ABORT_TASK_SET:
-		pr_notice("ABORT TASK SET not implemented\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_LOGICAL_UNIT_RESET:
-		pr_notice("LOGICAL UNIT RESET not implemented\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-
-	case MANAGEMENT_ORB_FUNCTION_TARGET_RESET:
-		pr_notice("TARGET RESET not implemented\n");
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-
-	default:
-		pr_notice("unknown management function 0x%x\n",
-			MANAGEMENT_ORB_FUNCTION(be32_to_cpu(req->orb.misc)));
-
-		req->status.status = cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_REQUEST_COMPLETE) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_REQ_TYPE_NOTSUPP));
-
-		break;
-	}
-
-	req->status.status |= cpu_to_be32(
-		STATUS_BLOCK_SRC(1) | /* Response to ORB, next_ORB absent */
-		STATUS_BLOCK_LEN(DIV_ROUND_UP(status_data_len, 4) + 1) |
-		STATUS_BLOCK_ORB_OFFSET_HIGH(agent->orb_offset >> 32));
-	req->status.orb_low = cpu_to_be32(agent->orb_offset);
-
-	/* write the status block back to the initiator */
-	ret = sbp_run_transaction(req->card, TCODE_WRITE_BLOCK_REQUEST,
-		req->node_addr, req->generation, req->speed,
-		sbp2_pointer_to_addr(&req->orb.status_fifo),
-		&req->status, 8 + status_data_len);
-	if (ret != RCODE_COMPLETE) {
-		pr_debug("mgt_orb status write failed: %x\n", ret);
-		goto out;
-	}
-
-out:
-	fw_card_put(req->card);
-	kfree(req);
-
-	spin_lock_bh(&agent->lock);
-	agent->state = MANAGEMENT_AGENT_STATE_IDLE;
-	spin_unlock_bh(&agent->lock);
-}
-
-static void sbp_mgt_agent_rw(struct fw_card *card,
-	struct fw_request *request, int tcode, int destination, int source,
-	int generation, unsigned long long offset, void *data, size_t length,
-	void *callback_data)
-{
-	struct sbp_management_agent *agent = callback_data;
-	struct sbp2_pointer *ptr = data;
-	int rcode = RCODE_ADDRESS_ERROR;
-
-	if (!agent->tport->enable)
-		goto out;
-
-	if ((offset != agent->handler.offset) || (length != 8))
-		goto out;
-
-	if (tcode == TCODE_WRITE_BLOCK_REQUEST) {
-		struct sbp_management_request *req;
-		int prev_state;
-
-		spin_lock_bh(&agent->lock);
-		prev_state = agent->state;
-		agent->state = MANAGEMENT_AGENT_STATE_BUSY;
-		spin_unlock_bh(&agent->lock);
-
-		if (prev_state == MANAGEMENT_AGENT_STATE_BUSY) {
-			pr_notice("ignoring management request while busy\n");
-			rcode = RCODE_CONFLICT_ERROR;
-			goto out;
-		}
-		req = kzalloc(sizeof(*req), GFP_ATOMIC);
-		if (!req) {
-			rcode = RCODE_CONFLICT_ERROR;
-			goto out;
-		}
-
-		req->card = fw_card_get(card);
-		req->generation = generation;
-		req->node_addr = source;
-		req->speed = fw_get_request_speed(request);
-
-		agent->orb_offset = sbp2_pointer_to_addr(ptr);
-		agent->request = req;
-
-		queue_work(system_unbound_wq, &agent->work);
-		rcode = RCODE_COMPLETE;
-	} else if (tcode == TCODE_READ_BLOCK_REQUEST) {
-		addr_to_sbp2_pointer(agent->orb_offset, ptr);
-		rcode = RCODE_COMPLETE;
-	} else {
-		rcode = RCODE_TYPE_ERROR;
-	}
-
-out:
-	fw_send_response(card, request, rcode);
-}
-
-static struct sbp_management_agent *sbp_management_agent_register(
-		struct sbp_tport *tport)
-{
-	int ret;
-	struct sbp_management_agent *agent;
-
-	agent = kmalloc(sizeof(*agent), GFP_KERNEL);
-	if (!agent)
-		return ERR_PTR(-ENOMEM);
-
-	spin_lock_init(&agent->lock);
-	agent->tport = tport;
-	agent->handler.length = 0x08;
-	agent->handler.address_callback = sbp_mgt_agent_rw;
-	agent->handler.callback_data = agent;
-	agent->state = MANAGEMENT_AGENT_STATE_IDLE;
-	INIT_WORK(&agent->work, sbp_mgt_agent_process);
-	agent->orb_offset = 0;
-	agent->request = NULL;
-
-	ret = fw_core_add_address_handler(&agent->handler,
-			&sbp_register_region);
-	if (ret < 0) {
-		kfree(agent);
-		return ERR_PTR(ret);
-	}
-
-	return agent;
-}
-
-static void sbp_management_agent_unregister(struct sbp_management_agent *agent)
-{
-	fw_core_remove_address_handler(&agent->handler);
-	cancel_work_sync(&agent->work);
-	kfree(agent);
-}
-
-static int sbp_check_true(struct se_portal_group *se_tpg)
-{
-	return 1;
-}
-
-static int sbp_check_false(struct se_portal_group *se_tpg)
-{
-	return 0;
-}
-
-static char *sbp_get_fabric_wwn(struct se_portal_group *se_tpg)
-{
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-
-	return &tport->tport_name[0];
-}
-
-static u16 sbp_get_tag(struct se_portal_group *se_tpg)
-{
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	return tpg->tport_tpgt;
-}
-
-static u32 sbp_tpg_get_inst_index(struct se_portal_group *se_tpg)
-{
-	return 1;
-}
-
-static void sbp_release_cmd(struct se_cmd *se_cmd)
-{
-	struct sbp_target_request *req = container_of(se_cmd,
-			struct sbp_target_request, se_cmd);
-
-	sbp_free_request(req);
-}
-
-static u32 sbp_sess_get_index(struct se_session *se_sess)
-{
-	return 0;
-}
-
-static int sbp_write_pending(struct se_cmd *se_cmd)
-{
-	struct sbp_target_request *req = container_of(se_cmd,
-			struct sbp_target_request, se_cmd);
-	int ret;
-
-	ret = sbp_rw_data(req);
-	if (ret) {
-		req->status.status |= cpu_to_be32(
-			STATUS_BLOCK_RESP(
-				STATUS_RESP_TRANSPORT_FAILURE) |
-			STATUS_BLOCK_DEAD(0) |
-			STATUS_BLOCK_LEN(1) |
-			STATUS_BLOCK_SBP_STATUS(
-				SBP_STATUS_UNSPECIFIED_ERROR));
-		sbp_send_status(req);
-		return ret;
-	}
-
-	target_execute_cmd(se_cmd);
-	return 0;
-}
-
-static void sbp_set_default_node_attrs(struct se_node_acl *nacl)
-{
-	return;
-}
-
-static int sbp_get_cmd_state(struct se_cmd *se_cmd)
-{
-	return 0;
-}
-
-static int sbp_queue_data_in(struct se_cmd *se_cmd)
-{
-	struct sbp_target_request *req = container_of(se_cmd,
-			struct sbp_target_request, se_cmd);
-	int ret;
-
-	ret = sbp_rw_data(req);
-	if (ret) {
-		req->status.status |= cpu_to_be32(
-			STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-			STATUS_BLOCK_DEAD(0) |
-			STATUS_BLOCK_LEN(1) |
-			STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-		sbp_send_status(req);
-		return ret;
-	}
-
-	return sbp_send_sense(req);
-}
-
-/*
- * Called after command (no data transfer) or after the write (to device)
- * operation is completed
- */
-static int sbp_queue_status(struct se_cmd *se_cmd)
-{
-	struct sbp_target_request *req = container_of(se_cmd,
-			struct sbp_target_request, se_cmd);
-
-	return sbp_send_sense(req);
-}
-
-static void sbp_queue_tm_rsp(struct se_cmd *se_cmd)
-{
-}
-
-static void sbp_aborted_task(struct se_cmd *se_cmd)
-{
-	return;
-}
-
-static int sbp_check_stop_free(struct se_cmd *se_cmd)
-{
-	struct sbp_target_request *req = container_of(se_cmd,
-			struct sbp_target_request, se_cmd);
-
-	return transport_generic_free_cmd(&req->se_cmd, 0);
-}
-
-static int sbp_count_se_tpg_luns(struct se_portal_group *tpg)
-{
-	struct se_lun *lun;
-	int count = 0;
-
-	rcu_read_lock();
-	hlist_for_each_entry_rcu(lun, &tpg->tpg_lun_hlist, link)
-		count++;
-	rcu_read_unlock();
-
-	return count;
-}
-
-static int sbp_update_unit_directory(struct sbp_tport *tport)
-{
-	struct se_lun *lun;
-	int num_luns, num_entries, idx = 0, mgt_agt_addr, ret;
-	u32 *data;
-
-	if (tport->unit_directory.data) {
-		fw_core_remove_descriptor(&tport->unit_directory);
-		kfree(tport->unit_directory.data);
-		tport->unit_directory.data = NULL;
-	}
-
-	if (!tport->enable || !tport->tpg)
-		return 0;
-
-	num_luns = sbp_count_se_tpg_luns(&tport->tpg->se_tpg);
-
-	/*
-	 * Number of entries in the final unit directory:
-	 *  - all of those in the template
-	 *  - management_agent
-	 *  - unit_characteristics
-	 *  - reconnect_timeout
-	 *  - unit unique ID
-	 *  - one for each LUN
-	 *
-	 *  MUST NOT include leaf or sub-directory entries
-	 */
-	num_entries = ARRAY_SIZE(sbp_unit_directory_template) + 4 + num_luns;
-
-	if (tport->directory_id != -1)
-		num_entries++;
-
-	/* allocate num_entries + 4 for the header and unique ID leaf */
-	data = kcalloc((num_entries + 4), sizeof(u32), GFP_KERNEL);
-	if (!data)
-		return -ENOMEM;
-
-	/* directory_length */
-	data[idx++] = num_entries << 16;
-
-	/* directory_id */
-	if (tport->directory_id != -1)
-		data[idx++] = (CSR_DIRECTORY_ID << 24) | tport->directory_id;
-
-	/* unit directory template */
-	memcpy(&data[idx], sbp_unit_directory_template,
-			sizeof(sbp_unit_directory_template));
-	idx += ARRAY_SIZE(sbp_unit_directory_template);
-
-	/* management_agent */
-	mgt_agt_addr = (tport->mgt_agt->handler.offset - CSR_REGISTER_BASE) / 4;
-	data[idx++] = 0x54000000 | (mgt_agt_addr & 0x00ffffff);
-
-	/* unit_characteristics */
-	data[idx++] = 0x3a000000 |
-		(((tport->mgt_orb_timeout * 2) << 8) & 0xff00) |
-		SBP_ORB_FETCH_SIZE;
-
-	/* reconnect_timeout */
-	data[idx++] = 0x3d000000 | (tport->max_reconnect_timeout & 0xffff);
-
-	/* unit unique ID (leaf is just after LUNs) */
-	data[idx++] = 0x8d000000 | (num_luns + 1);
-
-	rcu_read_lock();
-	hlist_for_each_entry_rcu(lun, &tport->tpg->se_tpg.tpg_lun_hlist, link) {
-		struct se_device *dev;
-		int type;
-		/*
-		 * rcu_dereference_raw protected by se_lun->lun_group symlink
-		 * reference to se_device->dev_group.
-		 */
-		dev = rcu_dereference_raw(lun->lun_se_dev);
-		type = dev->transport->get_device_type(dev);
-
-		/* logical_unit_number */
-		data[idx++] = 0x14000000 |
-			((type << 16) & 0x1f0000) |
-			(lun->unpacked_lun & 0xffff);
-	}
-	rcu_read_unlock();
-
-	/* unit unique ID leaf */
-	data[idx++] = 2 << 16;
-	data[idx++] = tport->guid >> 32;
-	data[idx++] = tport->guid;
-
-	tport->unit_directory.length = idx;
-	tport->unit_directory.key = (CSR_DIRECTORY | CSR_UNIT) << 24;
-	tport->unit_directory.data = data;
-
-	ret = fw_core_add_descriptor(&tport->unit_directory);
-	if (ret < 0) {
-		kfree(tport->unit_directory.data);
-		tport->unit_directory.data = NULL;
-	}
-
-	return ret;
-}
-
-static ssize_t sbp_parse_wwn(const char *name, u64 *wwn)
-{
-	const char *cp;
-	char c, nibble;
-	int pos = 0, err;
-
-	*wwn = 0;
-	for (cp = name; cp < &name[SBP_NAMELEN - 1]; cp++) {
-		c = *cp;
-		if (c == '\n' && cp[1] == '\0')
-			continue;
-		if (c == '\0') {
-			err = 2;
-			if (pos != 16)
-				goto fail;
-			return cp - name;
-		}
-		err = 3;
-		if (isdigit(c))
-			nibble = c - '0';
-		else if (isxdigit(c))
-			nibble = tolower(c) - 'a' + 10;
-		else
-			goto fail;
-		*wwn = (*wwn << 4) | nibble;
-		pos++;
-	}
-	err = 4;
-fail:
-	printk(KERN_INFO "err %u len %zu pos %u\n",
-			err, cp - name, pos);
-	return -1;
-}
-
-static ssize_t sbp_format_wwn(char *buf, size_t len, u64 wwn)
-{
-	return snprintf(buf, len, "%016llx", wwn);
-}
-
-static int sbp_init_nodeacl(struct se_node_acl *se_nacl, const char *name)
-{
-	u64 guid = 0;
-
-	if (sbp_parse_wwn(name, &guid) < 0)
-		return -EINVAL;
-	return 0;
-}
-
-static int sbp_post_link_lun(
-		struct se_portal_group *se_tpg,
-		struct se_lun *se_lun)
-{
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-
-	return sbp_update_unit_directory(tpg->tport);
-}
-
-static void sbp_pre_unlink_lun(
-		struct se_portal_group *se_tpg,
-		struct se_lun *se_lun)
-{
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	int ret;
-
-	if (sbp_count_se_tpg_luns(&tpg->se_tpg) == 0)
-		tport->enable = 0;
-
-	ret = sbp_update_unit_directory(tport);
-	if (ret < 0)
-		pr_err("unlink LUN: failed to update unit directory\n");
-}
-
-static struct se_portal_group *sbp_make_tpg(struct se_wwn *wwn,
-					    const char *name)
-{
-	struct sbp_tport *tport =
-		container_of(wwn, struct sbp_tport, tport_wwn);
-
-	struct sbp_tpg *tpg;
-	unsigned long tpgt;
-	int ret;
-
-	if (strstr(name, "tpgt_") != name)
-		return ERR_PTR(-EINVAL);
-	if (kstrtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)
-		return ERR_PTR(-EINVAL);
-
-	if (tport->tpg) {
-		pr_err("Only one TPG per Unit is possible.\n");
-		return ERR_PTR(-EBUSY);
-	}
-
-	tpg = kzalloc(sizeof(*tpg), GFP_KERNEL);
-	if (!tpg)
-		return ERR_PTR(-ENOMEM);
-
-	tpg->tport = tport;
-	tpg->tport_tpgt = tpgt;
-	tport->tpg = tpg;
-
-	/* default attribute values */
-	tport->enable = 0;
-	tport->directory_id = -1;
-	tport->mgt_orb_timeout = 15;
-	tport->max_reconnect_timeout = 5;
-	tport->max_logins_per_lun = 1;
-
-	tport->mgt_agt = sbp_management_agent_register(tport);
-	if (IS_ERR(tport->mgt_agt)) {
-		ret = PTR_ERR(tport->mgt_agt);
-		goto out_free_tpg;
-	}
-
-	ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SBP);
-	if (ret < 0)
-		goto out_unreg_mgt_agt;
-
-	return &tpg->se_tpg;
-
-out_unreg_mgt_agt:
-	sbp_management_agent_unregister(tport->mgt_agt);
-out_free_tpg:
-	tport->tpg = NULL;
-	kfree(tpg);
-	return ERR_PTR(ret);
-}
-
-static void sbp_drop_tpg(struct se_portal_group *se_tpg)
-{
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-
-	core_tpg_deregister(se_tpg);
-	sbp_management_agent_unregister(tport->mgt_agt);
-	tport->tpg = NULL;
-	kfree(tpg);
-}
-
-static struct se_wwn *sbp_make_tport(
-		struct target_fabric_configfs *tf,
-		struct config_group *group,
-		const char *name)
-{
-	struct sbp_tport *tport;
-	u64 guid = 0;
-
-	if (sbp_parse_wwn(name, &guid) < 0)
-		return ERR_PTR(-EINVAL);
-
-	tport = kzalloc(sizeof(*tport), GFP_KERNEL);
-	if (!tport)
-		return ERR_PTR(-ENOMEM);
-
-	tport->guid = guid;
-	sbp_format_wwn(tport->tport_name, SBP_NAMELEN, guid);
-
-	return &tport->tport_wwn;
-}
-
-static void sbp_drop_tport(struct se_wwn *wwn)
-{
-	struct sbp_tport *tport =
-		container_of(wwn, struct sbp_tport, tport_wwn);
-
-	kfree(tport);
-}
-
-static ssize_t sbp_wwn_version_show(struct config_item *item, char *page)
-{
-	return sprintf(page, "FireWire SBP fabric module %s\n", SBP_VERSION);
-}
-
-CONFIGFS_ATTR_RO(sbp_wwn_, version);
-
-static struct configfs_attribute *sbp_wwn_attrs[] = {
-	&sbp_wwn_attr_version,
-	NULL,
-};
-
-static ssize_t sbp_tpg_directory_id_show(struct config_item *item, char *page)
-{
-	struct se_portal_group *se_tpg = to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-
-	if (tport->directory_id == -1)
-		return sprintf(page, "implicit\n");
-	else
-		return sprintf(page, "%06x\n", tport->directory_id);
-}
-
-static ssize_t sbp_tpg_directory_id_store(struct config_item *item,
-		const char *page, size_t count)
-{
-	struct se_portal_group *se_tpg = to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	unsigned long val;
-
-	if (tport->enable) {
-		pr_err("Cannot change the directory_id on an active target.\n");
-		return -EBUSY;
-	}
-
-	if (strstr(page, "implicit") == page) {
-		tport->directory_id = -1;
-	} else {
-		if (kstrtoul(page, 16, &val) < 0)
-			return -EINVAL;
-		if (val > 0xffffff)
-			return -EINVAL;
-
-		tport->directory_id = val;
-	}
-
-	return count;
-}
-
-static ssize_t sbp_tpg_enable_show(struct config_item *item, char *page)
-{
-	struct se_portal_group *se_tpg = to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	return sprintf(page, "%d\n", tport->enable);
-}
-
-static ssize_t sbp_tpg_enable_store(struct config_item *item,
-		const char *page, size_t count)
-{
-	struct se_portal_group *se_tpg = to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	unsigned long val;
-	int ret;
-
-	if (kstrtoul(page, 0, &val) < 0)
-		return -EINVAL;
-	if ((val != 0) && (val != 1))
-		return -EINVAL;
-
-	if (tport->enable == val)
-		return count;
-
-	if (val) {
-		if (sbp_count_se_tpg_luns(&tpg->se_tpg) == 0) {
-			pr_err("Cannot enable a target with no LUNs!\n");
-			return -EINVAL;
-		}
-	} else {
-		/* XXX: force-shutdown sessions instead? */
-		spin_lock_bh(&se_tpg->session_lock);
-		if (!list_empty(&se_tpg->tpg_sess_list)) {
-			spin_unlock_bh(&se_tpg->session_lock);
-			return -EBUSY;
-		}
-		spin_unlock_bh(&se_tpg->session_lock);
-	}
-
-	tport->enable = val;
-
-	ret = sbp_update_unit_directory(tport);
-	if (ret < 0) {
-		pr_err("Could not update Config ROM\n");
-		return ret;
-	}
-
-	return count;
-}
-
-CONFIGFS_ATTR(sbp_tpg_, directory_id);
-CONFIGFS_ATTR(sbp_tpg_, enable);
-
-static struct configfs_attribute *sbp_tpg_base_attrs[] = {
-	&sbp_tpg_attr_directory_id,
-	&sbp_tpg_attr_enable,
-	NULL,
-};
-
-static ssize_t sbp_tpg_attrib_mgt_orb_timeout_show(struct config_item *item,
-		char *page)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	return sprintf(page, "%d\n", tport->mgt_orb_timeout);
-}
-
-static ssize_t sbp_tpg_attrib_mgt_orb_timeout_store(struct config_item *item,
-		const char *page, size_t count)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	unsigned long val;
-	int ret;
-
-	if (kstrtoul(page, 0, &val) < 0)
-		return -EINVAL;
-	if ((val < 1) || (val > 127))
-		return -EINVAL;
-
-	if (tport->mgt_orb_timeout == val)
-		return count;
-
-	tport->mgt_orb_timeout = val;
-
-	ret = sbp_update_unit_directory(tport);
-	if (ret < 0)
-		return ret;
-
-	return count;
-}
-
-static ssize_t sbp_tpg_attrib_max_reconnect_timeout_show(struct config_item *item,
-		char *page)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	return sprintf(page, "%d\n", tport->max_reconnect_timeout);
-}
-
-static ssize_t sbp_tpg_attrib_max_reconnect_timeout_store(struct config_item *item,
-		const char *page, size_t count)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	unsigned long val;
-	int ret;
-
-	if (kstrtoul(page, 0, &val) < 0)
-		return -EINVAL;
-	if ((val < 1) || (val > 32767))
-		return -EINVAL;
-
-	if (tport->max_reconnect_timeout == val)
-		return count;
-
-	tport->max_reconnect_timeout = val;
-
-	ret = sbp_update_unit_directory(tport);
-	if (ret < 0)
-		return ret;
-
-	return count;
-}
-
-static ssize_t sbp_tpg_attrib_max_logins_per_lun_show(struct config_item *item,
-		char *page)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	return sprintf(page, "%d\n", tport->max_logins_per_lun);
-}
-
-static ssize_t sbp_tpg_attrib_max_logins_per_lun_store(struct config_item *item,
-		const char *page, size_t count)
-{
-	struct se_portal_group *se_tpg = attrib_to_tpg(item);
-	struct sbp_tpg *tpg = container_of(se_tpg, struct sbp_tpg, se_tpg);
-	struct sbp_tport *tport = tpg->tport;
-	unsigned long val;
-
-	if (kstrtoul(page, 0, &val) < 0)
-		return -EINVAL;
-	if ((val < 1) || (val > 127))
-		return -EINVAL;
-
-	/* XXX: also check against current count? */
-
-	tport->max_logins_per_lun = val;
-
-	return count;
-}
-
-CONFIGFS_ATTR(sbp_tpg_attrib_, mgt_orb_timeout);
-CONFIGFS_ATTR(sbp_tpg_attrib_, max_reconnect_timeout);
-CONFIGFS_ATTR(sbp_tpg_attrib_, max_logins_per_lun);
-
-static struct configfs_attribute *sbp_tpg_attrib_attrs[] = {
-	&sbp_tpg_attrib_attr_mgt_orb_timeout,
-	&sbp_tpg_attrib_attr_max_reconnect_timeout,
-	&sbp_tpg_attrib_attr_max_logins_per_lun,
-	NULL,
-};
-
-static const struct target_core_fabric_ops sbp_ops = {
-	.module				= THIS_MODULE,
-	.fabric_name			= "sbp",
-	.tpg_get_wwn			= sbp_get_fabric_wwn,
-	.tpg_get_tag			= sbp_get_tag,
-	.tpg_check_demo_mode		= sbp_check_true,
-	.tpg_check_demo_mode_cache	= sbp_check_true,
-	.tpg_check_demo_mode_write_protect = sbp_check_false,
-	.tpg_check_prod_mode_write_protect = sbp_check_false,
-	.tpg_get_inst_index		= sbp_tpg_get_inst_index,
-	.release_cmd			= sbp_release_cmd,
-	.sess_get_index			= sbp_sess_get_index,
-	.write_pending			= sbp_write_pending,
-	.set_default_node_attributes	= sbp_set_default_node_attrs,
-	.get_cmd_state			= sbp_get_cmd_state,
-	.queue_data_in			= sbp_queue_data_in,
-	.queue_status			= sbp_queue_status,
-	.queue_tm_rsp			= sbp_queue_tm_rsp,
-	.aborted_task			= sbp_aborted_task,
-	.check_stop_free		= sbp_check_stop_free,
-
-	.fabric_make_wwn		= sbp_make_tport,
-	.fabric_drop_wwn		= sbp_drop_tport,
-	.fabric_make_tpg		= sbp_make_tpg,
-	.fabric_drop_tpg		= sbp_drop_tpg,
-	.fabric_post_link		= sbp_post_link_lun,
-	.fabric_pre_unlink		= sbp_pre_unlink_lun,
-	.fabric_make_np			= NULL,
-	.fabric_drop_np			= NULL,
-	.fabric_init_nodeacl		= sbp_init_nodeacl,
-
-	.tfc_wwn_attrs			= sbp_wwn_attrs,
-	.tfc_tpg_base_attrs		= sbp_tpg_base_attrs,
-	.tfc_tpg_attrib_attrs		= sbp_tpg_attrib_attrs,
-};
-
-static int __init sbp_init(void)
-{
-	return target_register_template(&sbp_ops);
-};
-
-static void __exit sbp_exit(void)
-{
-	target_unregister_template(&sbp_ops);
-};
-
-MODULE_DESCRIPTION("FireWire SBP fabric driver");
-MODULE_LICENSE("GPL");
-module_init(sbp_init);
-module_exit(sbp_exit);
diff --git a/drivers/target/sbp/sbp_target.h b/drivers/target/sbp/sbp_target.h
deleted file mode 100644
index 1d101ac86527..000000000000
--- a/drivers/target/sbp/sbp_target.h
+++ /dev/null
@@ -1,243 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _SBP_BASE_H
-#define _SBP_BASE_H
-
-#include <linux/firewire.h>
-#include <linux/spinlock.h>
-#include <linux/types.h>
-#include <linux/workqueue.h>
-#include <target/target_core_base.h>
-
-#define SBP_VERSION  "v0.1"
-#define SBP_NAMELEN 32
-
-#define SBP_ORB_FETCH_SIZE	8
-
-#define MANAGEMENT_AGENT_STATE_IDLE	0
-#define MANAGEMENT_AGENT_STATE_BUSY	1
-
-#define ORB_NOTIFY(v)			(((v) >> 31) & 0x01)
-#define ORB_REQUEST_FORMAT(v)		(((v) >> 29) & 0x03)
-
-#define MANAGEMENT_ORB_FUNCTION(v)	(((v) >> 16) & 0x0f)
-
-#define MANAGEMENT_ORB_FUNCTION_LOGIN			0x0
-#define MANAGEMENT_ORB_FUNCTION_QUERY_LOGINS		0x1
-#define MANAGEMENT_ORB_FUNCTION_RECONNECT		0x3
-#define MANAGEMENT_ORB_FUNCTION_SET_PASSWORD		0x4
-#define MANAGEMENT_ORB_FUNCTION_LOGOUT			0x7
-#define MANAGEMENT_ORB_FUNCTION_ABORT_TASK		0xb
-#define MANAGEMENT_ORB_FUNCTION_ABORT_TASK_SET		0xc
-#define MANAGEMENT_ORB_FUNCTION_LOGICAL_UNIT_RESET	0xe
-#define MANAGEMENT_ORB_FUNCTION_TARGET_RESET		0xf
-
-#define LOGIN_ORB_EXCLUSIVE(v)		(((v) >> 28) &   0x01)
-#define LOGIN_ORB_RESERVED(v)		(((v) >> 24) &   0x0f)
-#define LOGIN_ORB_RECONNECT(v)		(((v) >> 20) &   0x0f)
-#define LOGIN_ORB_LUN(v)		(((v) >>  0) & 0xffff)
-#define LOGIN_ORB_PASSWORD_LENGTH(v)	(((v) >> 16) & 0xffff)
-#define LOGIN_ORB_RESPONSE_LENGTH(v)	(((v) >>  0) & 0xffff)
-
-#define RECONNECT_ORB_LOGIN_ID(v)	(((v) >>  0) & 0xffff)
-#define LOGOUT_ORB_LOGIN_ID(v)		(((v) >>  0) & 0xffff)
-
-#define CMDBLK_ORB_DIRECTION(v)		(((v) >> 27) &   0x01)
-#define CMDBLK_ORB_SPEED(v)		(((v) >> 24) &   0x07)
-#define CMDBLK_ORB_MAX_PAYLOAD(v)	(((v) >> 20) &   0x0f)
-#define CMDBLK_ORB_PG_TBL_PRESENT(v)	(((v) >> 19) &   0x01)
-#define CMDBLK_ORB_PG_SIZE(v)		(((v) >> 16) &   0x07)
-#define CMDBLK_ORB_DATA_SIZE(v)		(((v) >>  0) & 0xffff)
-
-#define STATUS_BLOCK_SRC(v)		(((v) &   0x03) << 30)
-#define STATUS_BLOCK_RESP(v)		(((v) &   0x03) << 28)
-#define STATUS_BLOCK_DEAD(v)		(((v) ? 1 : 0)  << 27)
-#define STATUS_BLOCK_LEN(v)		(((v) &   0x07) << 24)
-#define STATUS_BLOCK_SBP_STATUS(v)	(((v) &   0xff) << 16)
-#define STATUS_BLOCK_ORB_OFFSET_HIGH(v)	(((v) & 0xffff) <<  0)
-
-#define STATUS_SRC_ORB_CONTINUING	0
-#define STATUS_SRC_ORB_FINISHED		1
-#define STATUS_SRC_UNSOLICITED		2
-
-#define STATUS_RESP_REQUEST_COMPLETE	0
-#define STATUS_RESP_TRANSPORT_FAILURE	1
-#define STATUS_RESP_ILLEGAL_REQUEST	2
-#define STATUS_RESP_VENDOR_DEPENDENT	3
-
-#define SBP_STATUS_OK			0
-#define SBP_STATUS_REQ_TYPE_NOTSUPP	1
-#define SBP_STATUS_SPEED_NOTSUPP	2
-#define SBP_STATUS_PAGE_SIZE_NOTSUPP	3
-#define SBP_STATUS_ACCESS_DENIED	4
-#define SBP_STATUS_LUN_NOTSUPP		5
-#define SBP_STATUS_PAYLOAD_TOO_SMALL	6
-/* 7 is reserved */
-#define SBP_STATUS_RESOURCES_UNAVAIL	8
-#define SBP_STATUS_FUNCTION_REJECTED	9
-#define SBP_STATUS_LOGIN_ID_UNKNOWN	10
-#define SBP_STATUS_DUMMY_ORB_COMPLETE	11
-#define SBP_STATUS_REQUEST_ABORTED	12
-#define SBP_STATUS_UNSPECIFIED_ERROR	0xff
-
-#define AGENT_STATE_RESET	0
-#define AGENT_STATE_ACTIVE	1
-#define AGENT_STATE_SUSPENDED	2
-#define AGENT_STATE_DEAD	3
-
-struct sbp2_pointer {
-	__be32 high;
-	__be32 low;
-};
-
-struct sbp_command_block_orb {
-	struct sbp2_pointer next_orb;
-	struct sbp2_pointer data_descriptor;
-	__be32 misc;
-	u8 command_block[12];
-};
-
-struct sbp_page_table_entry {
-	__be16 segment_length;
-	__be16 segment_base_hi;
-	__be32 segment_base_lo;
-};
-
-struct sbp_management_orb {
-	struct sbp2_pointer ptr1;
-	struct sbp2_pointer ptr2;
-	__be32 misc;
-	__be32 length;
-	struct sbp2_pointer status_fifo;
-};
-
-struct sbp_status_block {
-	__be32 status;
-	__be32 orb_low;
-	u8 data[24];
-};
-
-struct sbp_login_response_block {
-	__be32 misc;
-	struct sbp2_pointer command_block_agent;
-	__be32 reconnect_hold;
-};
-
-struct sbp_login_descriptor {
-	struct sbp_session *sess;
-	struct list_head link;
-
-	u32 login_lun;
-
-	u64 status_fifo_addr;
-	int exclusive;
-	u16 login_id;
-
-	struct sbp_target_agent *tgt_agt;
-};
-
-struct sbp_session {
-	spinlock_t lock;
-	struct se_session *se_sess;
-	struct list_head login_list;
-	struct delayed_work maint_work;
-
-	u64 guid; /* login_owner_EUI_64 */
-	int node_id; /* login_owner_ID */
-
-	struct fw_card *card;
-	int generation;
-	int speed;
-
-	int reconnect_hold;
-	u64 reconnect_expires;
-};
-
-struct sbp_tpg {
-	/* Target portal group tag for TCM */
-	u16 tport_tpgt;
-	/* Pointer back to sbp_tport */
-	struct sbp_tport *tport;
-	/* Returned by sbp_make_tpg() */
-	struct se_portal_group se_tpg;
-};
-
-struct sbp_tport {
-	/* Target Unit Identifier (EUI-64) */
-	u64 guid;
-	/* Target port name */
-	char tport_name[SBP_NAMELEN];
-	/* Returned by sbp_make_tport() */
-	struct se_wwn tport_wwn;
-
-	struct sbp_tpg *tpg;
-
-	/* FireWire unit directory */
-	struct fw_descriptor unit_directory;
-
-	/* SBP Management Agent */
-	struct sbp_management_agent *mgt_agt;
-
-	/* Parameters */
-	int enable;
-	s32 directory_id;
-	int mgt_orb_timeout;
-	int max_reconnect_timeout;
-	int max_logins_per_lun;
-};
-
-static inline u64 sbp2_pointer_to_addr(const struct sbp2_pointer *ptr)
-{
-	return (u64)(be32_to_cpu(ptr->high) & 0x0000ffff) << 32 |
-		(be32_to_cpu(ptr->low) & 0xfffffffc);
-}
-
-static inline void addr_to_sbp2_pointer(u64 addr, struct sbp2_pointer *ptr)
-{
-	ptr->high = cpu_to_be32(addr >> 32);
-	ptr->low = cpu_to_be32(addr);
-}
-
-struct sbp_target_agent {
-	spinlock_t lock;
-	struct fw_address_handler handler;
-	struct sbp_login_descriptor *login;
-	int state;
-	struct work_struct work;
-	u64 orb_pointer;
-	bool doorbell;
-};
-
-struct sbp_target_request {
-	struct sbp_login_descriptor *login;
-	u64 orb_pointer;
-	struct sbp_command_block_orb orb;
-	struct sbp_status_block status;
-	struct work_struct work;
-
-	struct se_cmd se_cmd;
-	struct sbp_page_table_entry *pg_tbl;
-	void *cmd_buf;
-
-	unsigned char sense_buf[TRANSPORT_SENSE_BUFFER];
-};
-
-struct sbp_management_agent {
-	spinlock_t lock;
-	struct sbp_tport *tport;
-	struct fw_address_handler handler;
-	int state;
-	struct work_struct work;
-	u64 orb_offset;
-	struct sbp_management_request *request;
-};
-
-struct sbp_management_request {
-	struct sbp_management_orb orb;
-	struct sbp_status_block status;
-	struct fw_card *card;
-	int generation;
-	int node_addr;
-	int speed;
-};
-
-#endif
-- 
2.27.0