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-rw-r--r--kernel/include/target/configfs_macros.h147
-rw-r--r--kernel/include/target/iscsi/iscsi_target_core.h28
-rw-r--r--kernel/include/target/iscsi/iscsi_target_stat.h2
-rw-r--r--kernel/include/target/iscsi/iscsi_transport.h2
-rw-r--r--kernel/include/target/target_core_backend.h77
-rw-r--r--kernel/include/target/target_core_backend_configfs.h118
-rw-r--r--kernel/include/target/target_core_base.h294
-rw-r--r--kernel/include/target/target_core_configfs.h48
-rw-r--r--kernel/include/target/target_core_fabric.h85
-rw-r--r--kernel/include/target/target_core_fabric_configfs.h122
10 files changed, 209 insertions, 714 deletions
diff --git a/kernel/include/target/configfs_macros.h b/kernel/include/target/configfs_macros.h
deleted file mode 100644
index a0fc85bbe..000000000
--- a/kernel/include/target/configfs_macros.h
+++ /dev/null
@@ -1,147 +0,0 @@
-/* -*- mode: c; c-basic-offset: 8; -*-
- * vim: noexpandtab sw=8 ts=8 sts=0:
- *
- * configfs_macros.h - extends macros for configfs
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
- *
- * Based on sysfs:
- * sysfs is Copyright (C) 2001, 2002, 2003 Patrick Mochel
- *
- * Based on kobject.h:
- * Copyright (c) 2002-2003 Patrick Mochel
- * Copyright (c) 2002-2003 Open Source Development Labs
- *
- * configfs Copyright (C) 2005 Oracle. All rights reserved.
- *
- * Added CONFIGFS_EATTR() macros from original configfs.h macros
- * Copright (C) 2008-2009 Nicholas A. Bellinger <nab@linux-iscsi.org>
- *
- * Please read Documentation/filesystems/configfs/configfs.txt before using
- * the configfs interface, ESPECIALLY the parts about reference counts and
- * item destructors.
- */
-
-#ifndef _CONFIGFS_MACROS_H_
-#define _CONFIGFS_MACROS_H_
-
-#include <linux/configfs.h>
-
-/*
- * Users often need to create attribute structures for their configurable
- * attributes, containing a configfs_attribute member and function pointers
- * for the show() and store() operations on that attribute. If they don't
- * need anything else on the extended attribute structure, they can use
- * this macro to define it. The argument _name isends up as
- * 'struct _name_attribute, as well as names of to CONFIGFS_ATTR_OPS() below.
- * The argument _item is the name of the structure containing the
- * struct config_item or struct config_group structure members
- */
-#define CONFIGFS_EATTR_STRUCT(_name, _item) \
-struct _name##_attribute { \
- struct configfs_attribute attr; \
- ssize_t (*show)(struct _item *, char *); \
- ssize_t (*store)(struct _item *, const char *, size_t); \
-}
-
-/*
- * With the extended attribute structure, users can use this macro
- * (similar to sysfs' __ATTR) to make defining attributes easier.
- * An example:
- * #define MYITEM_EATTR(_name, _mode, _show, _store) \
- * struct myitem_attribute childless_attr_##_name = \
- * __CONFIGFS_EATTR(_name, _mode, _show, _store)
- */
-#define __CONFIGFS_EATTR(_name, _mode, _show, _store) \
-{ \
- .attr = { \
- .ca_name = __stringify(_name), \
- .ca_mode = _mode, \
- .ca_owner = THIS_MODULE, \
- }, \
- .show = _show, \
- .store = _store, \
-}
-/* Here is a readonly version, only requiring a show() operation */
-#define __CONFIGFS_EATTR_RO(_name, _show) \
-{ \
- .attr = { \
- .ca_name = __stringify(_name), \
- .ca_mode = 0444, \
- .ca_owner = THIS_MODULE, \
- }, \
- .show = _show, \
-}
-
-/*
- * With these extended attributes, the simple show_attribute() and
- * store_attribute() operations need to call the show() and store() of the
- * attributes. This is a common pattern, so we provide a macro to define
- * them. The argument _name is the name of the attribute defined by
- * CONFIGFS_ATTR_STRUCT(). The argument _item is the name of the structure
- * containing the struct config_item or struct config_group structure member.
- * The argument _item_member is the actual name of the struct config_* struct
- * in your _item structure. Meaning my_structure->some_config_group.
- * ^^_item^^^^^ ^^_item_member^^^
- * This macro expects the attributes to be named "struct <name>_attribute".
- */
-#define CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member) \
-static struct _item *to_##_name(struct config_item *ci) \
-{ \
- return (ci) ? container_of(to_config_group(ci), struct _item, \
- _item_member) : NULL; \
-}
-
-#define CONFIGFS_EATTR_OPS_SHOW(_name, _item) \
-static ssize_t _name##_attr_show(struct config_item *item, \
- struct configfs_attribute *attr, \
- char *page) \
-{ \
- struct _item *_item = to_##_name(item); \
- struct _name##_attribute * _name##_attr = \
- container_of(attr, struct _name##_attribute, attr); \
- ssize_t ret = 0; \
- \
- if (_name##_attr->show) \
- ret = _name##_attr->show(_item, page); \
- return ret; \
-}
-
-#define CONFIGFS_EATTR_OPS_STORE(_name, _item) \
-static ssize_t _name##_attr_store(struct config_item *item, \
- struct configfs_attribute *attr, \
- const char *page, size_t count) \
-{ \
- struct _item *_item = to_##_name(item); \
- struct _name##_attribute * _name##_attr = \
- container_of(attr, struct _name##_attribute, attr); \
- ssize_t ret = -EINVAL; \
- \
- if (_name##_attr->store) \
- ret = _name##_attr->store(_item, page, count); \
- return ret; \
-}
-
-#define CONFIGFS_EATTR_OPS(_name, _item, _item_member) \
- CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \
- CONFIGFS_EATTR_OPS_SHOW(_name, _item); \
- CONFIGFS_EATTR_OPS_STORE(_name, _item);
-
-#define CONFIGFS_EATTR_OPS_RO(_name, _item, _item_member) \
- CONFIGFS_EATTR_OPS_TO_FUNC(_name, _item, _item_member); \
- CONFIGFS_EATTR_OPS_SHOW(_name, _item);
-
-#endif /* _CONFIGFS_MACROS_H_ */
diff --git a/kernel/include/target/iscsi/iscsi_target_core.h b/kernel/include/target/iscsi/iscsi_target_core.h
index 73abbc540..373d33420 100644
--- a/kernel/include/target/iscsi/iscsi_target_core.h
+++ b/kernel/include/target/iscsi/iscsi_target_core.h
@@ -5,7 +5,6 @@
#include <linux/configfs.h>
#include <net/sock.h>
#include <net/tcp.h>
-#include <scsi/scsi_cmnd.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
@@ -63,6 +62,8 @@
/* T10 protection information disabled by default */
#define TA_DEFAULT_T10_PI 0
#define TA_DEFAULT_FABRIC_PROT_TYPE 0
+/* TPG status needs to be enabled to return sendtargets discovery endpoint info */
+#define TA_DEFAULT_TPG_ENABLED_SENDTARGETS 1
#define ISCSI_IOV_DATA_BUFFER 5
@@ -248,10 +249,6 @@ struct iscsi_conn_ops {
u8 DataDigest; /* [0,1] == [None,CRC32C] */
u32 MaxRecvDataSegmentLength; /* [512..2**24-1] */
u32 MaxXmitDataSegmentLength; /* [512..2**24-1] */
- u8 OFMarker; /* [0,1] == [No,Yes] */
- u8 IFMarker; /* [0,1] == [No,Yes] */
- u32 OFMarkInt; /* [1..65535] */
- u32 IFMarkInt; /* [1..65535] */
/*
* iSER specific connection parameters
*/
@@ -522,7 +519,6 @@ struct iscsi_conn {
u16 cid;
/* Remote TCP Port */
u16 login_port;
- u16 local_port;
int net_size;
int login_family;
u32 auth_id;
@@ -532,15 +528,8 @@ struct iscsi_conn {
u32 exp_statsn;
/* Per connection status sequence number */
u32 stat_sn;
- /* IFMarkInt's Current Value */
- u32 if_marker;
- /* OFMarkInt's Current Value */
- u32 of_marker;
- /* Used for calculating OFMarker offset to next PDU */
- u32 of_marker_offset;
-#define IPV6_ADDRESS_SPACE 48
- unsigned char login_ip[IPV6_ADDRESS_SPACE];
- unsigned char local_ip[IPV6_ADDRESS_SPACE];
+ struct sockaddr_storage login_sockaddr;
+ struct sockaddr_storage local_sockaddr;
int conn_usage_count;
int conn_waiting_on_uc;
atomic_t check_immediate_queue;
@@ -647,7 +636,7 @@ struct iscsi_session {
/* session wide counter: expected command sequence number */
u32 exp_cmd_sn;
/* session wide counter: maximum allowed command sequence number */
- u32 max_cmd_sn;
+ atomic_t max_cmd_sn;
struct list_head sess_ooo_cmdsn_list;
/* LIO specific session ID */
@@ -756,10 +745,10 @@ struct iscsi_node_stat_grps {
};
struct iscsi_node_acl {
+ struct se_node_acl se_node_acl;
struct iscsi_node_attrib node_attrib;
struct iscsi_node_auth node_auth;
struct iscsi_node_stat_grps node_stat_grps;
- struct se_node_acl se_node_acl;
};
struct iscsi_tpg_attrib {
@@ -775,6 +764,7 @@ struct iscsi_tpg_attrib {
u32 default_erl;
u8 t10_pi;
u32 fabric_prot_type;
+ u32 tpg_enabled_sendtargets;
struct iscsi_portal_group *tpg;
};
@@ -787,12 +777,10 @@ struct iscsi_np {
enum iscsi_timer_flags_table np_login_timer_flags;
u32 np_exports;
enum np_flags_table np_flags;
- unsigned char np_ip[IPV6_ADDRESS_SPACE];
- u16 np_port;
spinlock_t np_thread_lock;
struct completion np_restart_comp;
struct socket *np_socket;
- struct __kernel_sockaddr_storage np_sockaddr;
+ struct sockaddr_storage np_sockaddr;
struct task_struct *np_thread;
struct timer_list np_login_timer;
void *np_context;
diff --git a/kernel/include/target/iscsi/iscsi_target_stat.h b/kernel/include/target/iscsi/iscsi_target_stat.h
index 3ff76b4fa..e615bb485 100644
--- a/kernel/include/target/iscsi/iscsi_target_stat.h
+++ b/kernel/include/target/iscsi/iscsi_target_stat.h
@@ -50,7 +50,7 @@ struct iscsi_login_stats {
u64 last_fail_time; /* time stamp (jiffies) */
u32 last_fail_type;
int last_intr_fail_ip_family;
- unsigned char last_intr_fail_ip_addr[IPV6_ADDRESS_SPACE];
+ struct sockaddr_storage last_intr_fail_sockaddr;
char last_intr_fail_name[224];
} ____cacheline_aligned;
diff --git a/kernel/include/target/iscsi/iscsi_transport.h b/kernel/include/target/iscsi/iscsi_transport.h
index e6bb166f1..90e37faa2 100644
--- a/kernel/include/target/iscsi/iscsi_transport.h
+++ b/kernel/include/target/iscsi/iscsi_transport.h
@@ -9,7 +9,7 @@ struct iscsit_transport {
int priv_size;
struct module *owner;
struct list_head t_node;
- int (*iscsit_setup_np)(struct iscsi_np *, struct __kernel_sockaddr_storage *);
+ int (*iscsit_setup_np)(struct iscsi_np *, struct sockaddr_storage *);
int (*iscsit_accept_np)(struct iscsi_np *, struct iscsi_conn *);
void (*iscsit_free_np)(struct iscsi_np *);
void (*iscsit_wait_conn)(struct iscsi_conn *);
diff --git a/kernel/include/target/target_core_backend.h b/kernel/include/target/target_core_backend.h
index 5f1225706..28ee5c2e6 100644
--- a/kernel/include/target/target_core_backend.h
+++ b/kernel/include/target/target_core_backend.h
@@ -3,18 +3,7 @@
#define TRANSPORT_FLAG_PASSTHROUGH 1
-struct target_backend_cits {
- struct config_item_type tb_dev_cit;
- struct config_item_type tb_dev_attrib_cit;
- struct config_item_type tb_dev_pr_cit;
- struct config_item_type tb_dev_wwn_cit;
- struct config_item_type tb_dev_alua_tg_pt_gps_cit;
- struct config_item_type tb_dev_stat_cit;
-};
-
-struct se_subsystem_api {
- struct list_head sub_api_list;
-
+struct target_backend_ops {
char name[16];
char inquiry_prod[16];
char inquiry_rev[4];
@@ -52,7 +41,7 @@ struct se_subsystem_api {
int (*format_prot)(struct se_device *);
void (*free_prot)(struct se_device *);
- struct target_backend_cits tb_cits;
+ struct configfs_attribute **tb_dev_attrib_attrs;
};
struct sbc_ops {
@@ -60,12 +49,12 @@ struct sbc_ops {
u32, enum dma_data_direction);
sense_reason_t (*execute_sync_cache)(struct se_cmd *cmd);
sense_reason_t (*execute_write_same)(struct se_cmd *cmd);
- sense_reason_t (*execute_write_same_unmap)(struct se_cmd *cmd);
- sense_reason_t (*execute_unmap)(struct se_cmd *cmd);
+ sense_reason_t (*execute_unmap)(struct se_cmd *cmd,
+ sector_t lba, sector_t nolb);
};
-int transport_subsystem_register(struct se_subsystem_api *);
-void transport_subsystem_release(struct se_subsystem_api *);
+int transport_backend_register(const struct target_backend_ops *);
+void target_backend_unregister(const struct target_backend_ops *);
void target_complete_cmd(struct se_cmd *, u8);
void target_complete_cmd_with_length(struct se_cmd *, u8, int);
@@ -79,22 +68,19 @@ sense_reason_t sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops);
u32 sbc_get_device_rev(struct se_device *dev);
u32 sbc_get_device_type(struct se_device *dev);
sector_t sbc_get_write_same_sectors(struct se_cmd *cmd);
-sense_reason_t sbc_execute_unmap(struct se_cmd *cmd,
- sense_reason_t (*do_unmap_fn)(struct se_cmd *cmd, void *priv,
- sector_t lba, sector_t nolb),
- void *priv);
void sbc_dif_generate(struct se_cmd *);
-sense_reason_t sbc_dif_verify_write(struct se_cmd *, sector_t, unsigned int,
+sense_reason_t sbc_dif_verify(struct se_cmd *, sector_t, unsigned int,
unsigned int, struct scatterlist *, int);
-sense_reason_t sbc_dif_verify_read(struct se_cmd *, sector_t, unsigned int,
- unsigned int, struct scatterlist *, int);
-sense_reason_t sbc_dif_read_strip(struct se_cmd *);
-
+void sbc_dif_copy_prot(struct se_cmd *, unsigned int, bool,
+ struct scatterlist *, int);
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 *);
+extern struct configfs_attribute *sbc_attrib_attrs[];
+extern struct configfs_attribute *passthrough_attrib_attrs[];
+
/* core helpers also used by command snooping in pscsi */
void *transport_kmap_data_sg(struct se_cmd *);
void transport_kunmap_data_sg(struct se_cmd *);
@@ -103,40 +89,13 @@ int target_alloc_sgl(struct scatterlist **, unsigned int *, u32, bool);
sense_reason_t transport_generic_map_mem_to_cmd(struct se_cmd *,
struct scatterlist *, u32, struct scatterlist *, u32);
-void array_free(void *array, int n);
-
-/* From target_core_configfs.c to setup default backend config_item_types */
-void target_core_setup_sub_cits(struct se_subsystem_api *);
-
-/* attribute helpers from target_core_device.c for backend drivers */
-bool se_dev_check_wce(struct se_device *);
-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_max_write_same_len(struct se_device *, u32);
-int se_dev_set_emulate_model_alias(struct se_device *, int);
-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_emulate_caw(struct se_device *, int);
-int se_dev_set_emulate_3pc(struct se_device *, int);
-int se_dev_set_pi_prot_type(struct se_device *, int);
-int se_dev_set_pi_prot_format(struct se_device *, int);
-int se_dev_set_enforce_pr_isids(struct se_device *, int);
-int se_dev_set_force_pr_aptpl(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);
+bool target_lun_is_rdonly(struct se_cmd *);
sense_reason_t passthrough_parse_cdb(struct se_cmd *cmd,
sense_reason_t (*exec_cmd)(struct se_cmd *cmd));
+bool target_sense_desc_format(struct se_device *dev);
+sector_t target_to_linux_sector(struct se_device *dev, sector_t lb);
+bool target_configure_unmap_from_queue(struct se_dev_attrib *attrib,
+ struct request_queue *q, int block_size);
+
#endif /* TARGET_CORE_BACKEND_H */
diff --git a/kernel/include/target/target_core_backend_configfs.h b/kernel/include/target/target_core_backend_configfs.h
deleted file mode 100644
index 186f7a923..000000000
--- a/kernel/include/target/target_core_backend_configfs.h
+++ /dev/null
@@ -1,118 +0,0 @@
-#ifndef TARGET_CORE_BACKEND_CONFIGFS_H
-#define TARGET_CORE_BACKEND_CONFIGFS_H
-
-#include <target/configfs_macros.h>
-
-#define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \
-static ssize_t _backend##_dev_show_attr_##_name( \
- struct se_dev_attrib *da, \
- char *page) \
-{ \
- return snprintf(page, PAGE_SIZE, "%u\n", \
- (u32)da->da_dev->dev_attrib._name); \
-}
-
-#define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \
-static ssize_t _backend##_dev_store_attr_##_name( \
- struct se_dev_attrib *da, \
- const char *page, \
- size_t count) \
-{ \
- unsigned long val; \
- int ret; \
- \
- ret = kstrtoul(page, 0, &val); \
- if (ret < 0) { \
- pr_err("kstrtoul() failed with ret: %d\n", ret); \
- return -EINVAL; \
- } \
- ret = se_dev_set_##_name(da->da_dev, (u32)val); \
- \
- return (!ret) ? count : -EINVAL; \
-}
-
-#define DEF_TB_DEV_ATTRIB(_backend, _name) \
-DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \
-DEF_TB_DEV_ATTRIB_STORE(_backend, _name);
-
-#define DEF_TB_DEV_ATTRIB_RO(_backend, name) \
-DEF_TB_DEV_ATTRIB_SHOW(_backend, name);
-
-CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib);
-#define TB_DEV_ATTR(_backend, _name, _mode) \
-static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _backend##_dev_show_attr_##_name, \
- _backend##_dev_store_attr_##_name);
-
-#define TB_DEV_ATTR_RO(_backend, _name) \
-static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _backend##_dev_show_attr_##_name);
-
-/*
- * Default list of target backend device attributes as defined by
- * struct se_dev_attrib
- */
-
-#define DEF_TB_DEFAULT_ATTRIBS(_backend) \
- DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \
- TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \
- TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \
- TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \
- TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \
- TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \
- TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \
- TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \
- TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \
- TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \
- TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \
- TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \
- TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \
- TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \
- DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \
- TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \
- TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \
- TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \
- TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \
- TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \
- TB_DEV_ATTR_RO(_backend, hw_block_size); \
- DEF_TB_DEV_ATTRIB(_backend, block_size); \
- TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \
- TB_DEV_ATTR_RO(_backend, hw_max_sectors); \
- DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \
- TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \
- TB_DEV_ATTR_RO(_backend, hw_queue_depth); \
- DEF_TB_DEV_ATTRIB(_backend, queue_depth); \
- TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \
- TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \
- TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \
- TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \
- TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \
- DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \
- TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR);
-
-#endif /* TARGET_CORE_BACKEND_CONFIGFS_H */
diff --git a/kernel/include/target/target_core_base.h b/kernel/include/target/target_core_base.h
index 480e9f82d..689f4d207 100644
--- a/kernel/include/target/target_core_base.h
+++ b/kernel/include/target/target_core_base.h
@@ -6,34 +6,22 @@
#include <linux/dma-mapping.h>
#include <linux/blkdev.h>
#include <linux/percpu_ida.h>
-#include <scsi/scsi_cmnd.h>
+#include <linux/t10-pi.h>
#include <net/sock.h>
#include <net/tcp.h>
-#define TARGET_CORE_MOD_VERSION "v4.1.0"
-#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
+#define TARGET_CORE_VERSION "v5.0"
-/* Maximum Number of LUNs per Target Portal Group */
-/* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */
-#define TRANSPORT_MAX_LUNS_PER_TPG 256
/*
- * By default we use 32-byte CDBs in TCM Core and subsystem plugin code.
- *
- * Note that both include/scsi/scsi_cmnd.h:MAX_COMMAND_SIZE and
- * include/linux/blkdev.h:BLOCK_MAX_CDB as of v2.6.36-rc4 still use
- * 16-byte CDBs by default and require an extra allocation for
- * 32-byte CDBs to because of legacy issues.
- *
- * Within TCM Core there are no such legacy limitiations, so we go ahead
- * use 32-byte CDBs by default and use include/scsi/scsi.h:scsi_command_size()
- * within all TCM Core and subsystem plugin code.
+ * Maximum size of a CDB that can be stored in se_cmd without allocating
+ * memory dynamically for the CDB.
*/
#define TCM_MAX_COMMAND_SIZE 32
/*
* From include/scsi/scsi_cmnd.h:SCSI_SENSE_BUFFERSIZE, currently
* defined 96, but the real limit is 252 (or 260 including the header)
*/
-#define TRANSPORT_SENSE_BUFFER SCSI_SENSE_BUFFERSIZE
+#define TRANSPORT_SENSE_BUFFER 96
/* Used by transport_send_check_condition_and_sense() */
#define SPC_SENSE_KEY_OFFSET 2
#define SPC_ADD_SENSE_LEN_OFFSET 7
@@ -79,12 +67,6 @@
#define DA_MAX_WRITE_SAME_LEN 0
/* Use a model alias based on the configfs backend device name */
#define DA_EMULATE_MODEL_ALIAS 0
-/* Emulation for Direct Page Out */
-#define DA_EMULATE_DPO 0
-/* Emulation for Forced Unit Access WRITEs */
-#define DA_EMULATE_FUA_WRITE 1
-/* Emulation for Forced Unit Access READs */
-#define DA_EMULATE_FUA_READ 0
/* Emulation for WriteCache and SYNCHRONIZE_CACHE */
#define DA_EMULATE_WRITE_CACHE 0
/* Emulation for UNIT ATTENTION Interlock Control */
@@ -125,18 +107,6 @@ enum hba_flags_table {
HBA_FLAGS_PSCSI_MODE = 0x02,
};
-/* struct se_lun->lun_status */
-enum transport_lun_status_table {
- TRANSPORT_LUN_STATUS_FREE = 0,
- TRANSPORT_LUN_STATUS_ACTIVE = 1,
-};
-
-/* struct se_portal_group->se_tpg_type */
-enum transport_tpg_type_table {
- TRANSPORT_TPG_TYPE_NORMAL = 0,
- TRANSPORT_TPG_TYPE_DISCOVERY = 1,
-};
-
/* Special transport agnostic struct se_cmd->t_states */
enum transport_state_table {
TRANSPORT_NO_STATE = 0,
@@ -167,14 +137,14 @@ enum se_cmd_flags_table {
SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000,
SCF_COMPARE_AND_WRITE = 0x00080000,
SCF_COMPARE_AND_WRITE_POST = 0x00100000,
+ SCF_PASSTHROUGH_PROT_SG_TO_MEM_NOALLOC = 0x00200000,
+ SCF_ACK_KREF = 0x00400000,
};
/* struct se_dev_entry->lun_flags and struct se_lun->lun_access */
enum transport_lunflags_table {
- TRANSPORT_LUNFLAGS_NO_ACCESS = 0x00,
- TRANSPORT_LUNFLAGS_INITIATOR_ACCESS = 0x01,
- TRANSPORT_LUNFLAGS_READ_ONLY = 0x02,
- TRANSPORT_LUNFLAGS_READ_WRITE = 0x04,
+ TRANSPORT_LUNFLAGS_READ_ONLY = 0x01,
+ TRANSPORT_LUNFLAGS_READ_WRITE = 0x02,
};
/*
@@ -323,22 +293,13 @@ struct t10_alua_tg_pt_gp {
struct se_device *tg_pt_gp_dev;
struct config_group tg_pt_gp_group;
struct list_head tg_pt_gp_list;
- struct list_head tg_pt_gp_mem_list;
- struct se_port *tg_pt_gp_alua_port;
+ struct list_head tg_pt_gp_lun_list;
+ struct se_lun *tg_pt_gp_alua_lun;
struct se_node_acl *tg_pt_gp_alua_nacl;
struct delayed_work tg_pt_gp_transition_work;
struct completion *tg_pt_gp_transition_complete;
};
-struct t10_alua_tg_pt_gp_member {
- bool tg_pt_gp_assoc;
- atomic_t tg_pt_gp_mem_ref_cnt;
- spinlock_t tg_pt_gp_mem_lock;
- struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_port *tg_pt;
- struct list_head tg_pt_gp_mem_list;
-};
-
struct t10_vpd {
unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN];
int protocol_identifier_set;
@@ -383,15 +344,16 @@ struct t10_pr_registration {
int pr_res_scope;
/* Used for fabric initiator WWPNs using a ISID */
bool isid_present_at_reg;
- u32 pr_res_mapped_lun;
- u32 pr_aptpl_target_lun;
+ u64 pr_res_mapped_lun;
+ u64 pr_aptpl_target_lun;
+ u16 tg_pt_sep_rtpi;
u32 pr_res_generation;
u64 pr_reg_bin_isid;
u64 pr_res_key;
atomic_t pr_res_holders;
struct se_node_acl *pr_reg_nacl;
+ /* Used by ALL_TG_PT=1 registration with deve->pr_ref taken */
struct se_dev_entry *pr_reg_deve;
- struct se_lun *pr_reg_tg_pt_lun;
struct list_head pr_reg_list;
struct list_head pr_reg_abort_list;
struct list_head pr_reg_aptpl_list;
@@ -431,7 +393,7 @@ struct se_tmr_req {
u8 response;
int call_transport;
/* Reference to ITT that Task Mgmt should be performed */
- u32 ref_task_tag;
+ u64 ref_task_tag;
void *fabric_tmr_ptr;
struct se_cmd *task_cmd;
struct se_device *tmr_dev;
@@ -466,12 +428,6 @@ enum target_core_dif_check {
TARGET_DIF_CHECK_REFTAG = 0x1 << 2,
};
-struct se_dif_v1_tuple {
- __be16 guard_tag;
- __be16 app_tag;
- __be32 ref_tag;
-};
-
/* for sam_task_attr */
#define TCM_SIMPLE_TAG 0x20
#define TCM_HEAD_TAG 0x21
@@ -484,6 +440,10 @@ struct se_cmd {
u8 scsi_asc;
u8 scsi_ascq;
u16 scsi_sense_length;
+ unsigned cmd_wait_set:1;
+ unsigned unknown_data_length:1;
+ bool state_active:1;
+ u64 tag; /* SAM command identifier aka task tag */
/* Delay for ALUA Active/NonOptimized state access in milliseconds */
int alua_nonop_delay;
/* See include/linux/dma-mapping.h */
@@ -494,15 +454,12 @@ struct se_cmd {
unsigned int map_tag;
/* Transport protocol dependent state, see transport_state_table */
enum transport_state_table t_state;
- unsigned cmd_wait_set:1;
- unsigned unknown_data_length:1;
/* See se_cmd_flags_table */
u32 se_cmd_flags;
- u32 se_ordered_id;
/* Total size in bytes associated with command */
u32 data_length;
u32 residual_count;
- u32 orig_fe_lun;
+ u64 orig_fe_lun;
/* Persistent Reservation key */
u64 pr_res_key;
/* Used for sense data */
@@ -510,19 +467,16 @@ struct se_cmd {
struct list_head se_delayed_node;
struct list_head se_qf_node;
struct se_device *se_dev;
- struct se_dev_entry *se_deve;
struct se_lun *se_lun;
/* Only used for internal passthrough and legacy TCM fabric modules */
struct se_session *se_sess;
struct se_tmr_req *se_tmr_req;
struct list_head se_cmd_list;
struct completion cmd_wait_comp;
- struct kref cmd_kref;
const struct target_core_fabric_ops *se_tfo;
sense_reason_t (*execute_cmd)(struct se_cmd *);
- sense_reason_t (*execute_rw)(struct se_cmd *, struct scatterlist *,
- u32, enum dma_data_direction);
- sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool);
+ sense_reason_t (*transport_complete_callback)(struct se_cmd *, bool, int *);
+ void *protocol_data;
unsigned char *t_task_cdb;
unsigned char __t_task_cdb[TCM_MAX_COMMAND_SIZE];
@@ -537,7 +491,10 @@ struct se_cmd {
#define CMD_T_DEV_ACTIVE (1 << 7)
#define CMD_T_REQUEST_STOP (1 << 8)
#define CMD_T_BUSY (1 << 9)
+#define CMD_T_TAS (1 << 10)
+#define CMD_T_FABRIC_STOP (1 << 11)
spinlock_t t_state_lock;
+ struct kref cmd_kref;
struct completion t_transport_stop_comp;
struct work_struct work;
@@ -550,8 +507,10 @@ struct se_cmd {
struct scatterlist *t_bidi_data_sg;
unsigned int t_bidi_data_nents;
+ /* Used for lun->lun_ref counting */
+ int lun_ref_active;
+
struct list_head state_list;
- bool state_active;
/* old task stop completion, consider merging with some of the above */
struct completion task_stop_comp;
@@ -559,26 +518,22 @@ struct se_cmd {
/* backend private data */
void *priv;
- /* Used for lun->lun_ref counting */
- int lun_ref_active;
-
/* DIF related members */
enum target_prot_op prot_op;
enum target_prot_type prot_type;
u8 prot_checks;
+ bool prot_pto;
u32 prot_length;
u32 reftag_seed;
struct scatterlist *t_prot_sg;
unsigned int t_prot_nents;
sense_reason_t pi_err;
sector_t bad_sector;
- bool prot_pto;
};
struct se_ua {
u8 ua_asc;
u8 ua_ascq;
- struct se_node_acl *ua_nacl;
struct list_head ua_nacl_list;
};
@@ -594,10 +549,10 @@ struct se_node_acl {
char acl_tag[MAX_ACL_TAG_SIZE];
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t acl_pr_ref_count;
- struct se_dev_entry **device_list;
+ struct hlist_head lun_entry_hlist;
struct se_session *nacl_sess;
struct se_portal_group *se_tpg;
- spinlock_t device_list_lock;
+ struct mutex lun_entry_mutex;
spinlock_t nacl_sess_lock;
struct config_group acl_group;
struct config_group acl_attrib_group;
@@ -611,6 +566,36 @@ struct se_node_acl {
struct kref acl_kref;
};
+static inline struct se_node_acl *acl_to_nacl(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_node_acl,
+ acl_group);
+}
+
+static inline struct se_node_acl *attrib_to_nacl(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_node_acl,
+ acl_attrib_group);
+}
+
+static inline struct se_node_acl *auth_to_nacl(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_node_acl,
+ acl_auth_group);
+}
+
+static inline struct se_node_acl *param_to_nacl(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_node_acl,
+ acl_param_group);
+}
+
+static inline struct se_node_acl *fabric_stat_to_nacl(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_node_acl,
+ acl_fabric_stat_group);
+}
+
struct se_session {
unsigned sess_tearing_down:1;
u64 sess_bin_isid;
@@ -640,34 +625,37 @@ struct se_ml_stat_grps {
};
struct se_lun_acl {
- char initiatorname[TRANSPORT_IQN_LEN];
- u32 mapped_lun;
+ u64 mapped_lun;
struct se_node_acl *se_lun_nacl;
struct se_lun *se_lun;
- struct list_head lacl_list;
struct config_group se_lun_group;
struct se_ml_stat_grps ml_stat_grps;
};
struct se_dev_entry {
- bool def_pr_registered;
/* See transport_lunflags_table */
- u32 lun_flags;
- u32 mapped_lun;
- u32 total_cmds;
+ u64 mapped_lun;
u64 pr_res_key;
u64 creation_time;
+ u32 lun_flags;
u32 attach_count;
- u64 read_bytes;
- u64 write_bytes;
+ atomic_long_t total_cmds;
+ atomic_long_t read_bytes;
+ atomic_long_t write_bytes;
atomic_t ua_count;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
- atomic_t pr_ref_count;
- struct se_lun_acl *se_lun_acl;
+ struct kref pr_kref;
+ struct completion pr_comp;
+ struct se_lun_acl __rcu *se_lun_acl;
spinlock_t ua_lock;
- struct se_lun *se_lun;
+ struct se_lun __rcu *se_lun;
+#define DEF_PR_REG_ACTIVE 1
+ unsigned long deve_flags;
struct list_head alua_port_list;
+ struct list_head lun_link;
struct list_head ua_list;
+ struct hlist_node link;
+ struct rcu_head rcu_head;
};
struct se_dev_attrib {
@@ -712,25 +700,47 @@ struct se_port_stat_grps {
struct config_group scsi_transport_group;
};
+struct scsi_port_stats {
+ atomic_long_t cmd_pdus;
+ atomic_long_t tx_data_octets;
+ atomic_long_t rx_data_octets;
+};
+
struct se_lun {
+ u64 unpacked_lun;
#define SE_LUN_LINK_MAGIC 0xffff7771
u32 lun_link_magic;
- /* See transport_lun_status_table */
- enum transport_lun_status_table lun_status;
u32 lun_access;
- u32 lun_flags;
- u32 unpacked_lun;
+ u32 lun_index;
+
+ /* RELATIVE TARGET PORT IDENTIFER */
+ u16 lun_rtpi;
atomic_t lun_acl_count;
- spinlock_t lun_acl_lock;
- spinlock_t lun_sep_lock;
- struct completion lun_shutdown_comp;
- struct list_head lun_acl_list;
- struct se_device *lun_se_dev;
- struct se_port *lun_sep;
+ struct se_device __rcu *lun_se_dev;
+
+ struct list_head lun_deve_list;
+ spinlock_t lun_deve_lock;
+
+ /* ALUA state */
+ int lun_tg_pt_secondary_stat;
+ int lun_tg_pt_secondary_write_md;
+ atomic_t lun_tg_pt_secondary_offline;
+ struct mutex lun_tg_pt_md_mutex;
+
+ /* ALUA target port group linkage */
+ struct list_head lun_tg_pt_gp_link;
+ struct t10_alua_tg_pt_gp *lun_tg_pt_gp;
+ spinlock_t lun_tg_pt_gp_lock;
+
+ struct se_portal_group *lun_tpg;
+ struct scsi_port_stats lun_stats;
struct config_group lun_group;
struct se_port_stat_grps port_stat_grps;
struct completion lun_ref_comp;
struct percpu_ref lun_ref;
+ struct list_head lun_dev_link;
+ struct hlist_node link;
+ struct rcu_head rcu_head;
};
struct se_dev_stat_grps {
@@ -753,7 +763,7 @@ struct se_device {
#define DF_EMULATED_VPD_UNIT_SERIAL 0x00000004
#define DF_USING_UDEV_PATH 0x00000008
#define DF_USING_ALIAS 0x00000010
- u32 dev_port_count;
+#define DF_READ_ONLY 0x00000020
/* Physical device queue depth */
u32 queue_depth;
/* Used for SPC-2 reservations enforce of ISIDs */
@@ -767,10 +777,9 @@ struct se_device {
atomic_long_t write_bytes;
/* Active commands on this virtual SE device */
atomic_t simple_cmds;
- atomic_t dev_ordered_id;
atomic_t dev_ordered_sync;
atomic_t dev_qf_count;
- int export_count;
+ u32 export_count;
spinlock_t delayed_cmd_lock;
spinlock_t execute_task_lock;
spinlock_t dev_reservation_lock;
@@ -812,12 +821,15 @@ struct se_device {
#define SE_UDEV_PATH_LEN 512 /* must be less than PAGE_SIZE */
unsigned char udev_path[SE_UDEV_PATH_LEN];
/* Pointer to template of function pointers for transport */
- struct se_subsystem_api *transport;
+ const struct target_backend_ops *transport;
/* Linked list for struct se_hba struct se_device list */
struct list_head dev_list;
struct se_lun xcopy_lun;
/* Protection Information */
int prot_length;
+ /* For se_lun->lun_se_dev RCU read-side critical access */
+ u32 hba_index;
+ struct rcu_head rcu_head;
};
struct se_hba {
@@ -834,33 +846,7 @@ struct se_hba {
spinlock_t device_lock;
struct config_group hba_group;
struct mutex hba_access_mutex;
- struct se_subsystem_api *transport;
-};
-
-struct scsi_port_stats {
- u64 cmd_pdus;
- u64 tx_data_octets;
- u64 rx_data_octets;
-};
-
-struct se_port {
- /* RELATIVE TARGET PORT IDENTIFER */
- u16 sep_rtpi;
- int sep_tg_pt_secondary_stat;
- int sep_tg_pt_secondary_write_md;
- u32 sep_index;
- struct scsi_port_stats sep_stats;
- /* Used for ALUA Target Port Groups membership */
- atomic_t sep_tg_pt_secondary_offline;
- /* Used for PR ALL_TG_PT=1 */
- atomic_t sep_tg_pt_ref_cnt;
- spinlock_t sep_alua_lock;
- struct mutex sep_tg_pt_md_mutex;
- struct t10_alua_tg_pt_gp_member *sep_alua_tg_pt_gp_mem;
- struct se_lun *sep_lun;
- struct se_portal_group *sep_tpg;
- struct list_head sep_alua_list;
- struct list_head sep_list;
+ struct target_backend *backend;
};
struct se_tpg_np {
@@ -868,25 +854,33 @@ struct se_tpg_np {
struct config_group tpg_np_group;
};
+static inline struct se_tpg_np *to_tpg_np(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_tpg_np,
+ tpg_np_group);
+}
+
struct se_portal_group {
- /* Type of target portal group, see transport_tpg_type_table */
- enum transport_tpg_type_table se_tpg_type;
+ /*
+ * PROTOCOL IDENTIFIER value per SPC4, 7.5.1.
+ *
+ * Negative values can be used by fabric drivers for internal use TPGs.
+ */
+ int proto_id;
/* Number of ACLed Initiator Nodes for this TPG */
u32 num_node_acls;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t tpg_pr_ref_count;
/* Spinlock for adding/removing ACLed Nodes */
- spinlock_t acl_node_lock;
+ struct mutex acl_node_mutex;
/* Spinlock for adding/removing sessions */
spinlock_t session_lock;
- spinlock_t tpg_lun_lock;
- /* Pointer to $FABRIC_MOD portal group */
- void *se_tpg_fabric_ptr;
+ struct mutex tpg_lun_mutex;
struct list_head se_tpg_node;
/* linked list for initiator ACL list */
struct list_head acl_node_list;
- struct se_lun **tpg_lun_list;
- struct se_lun tpg_virt_lun0;
+ struct hlist_head tpg_lun_hlist;
+ struct se_lun *tpg_virt_lun0;
/* List of TCM sessions associated wth this TPG */
struct list_head tpg_sess_list;
/* Pointer to $FABRIC_MOD dependent code */
@@ -902,6 +896,30 @@ struct se_portal_group {
struct config_group tpg_param_group;
};
+static inline struct se_portal_group *to_tpg(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_portal_group,
+ tpg_group);
+}
+
+static inline struct se_portal_group *attrib_to_tpg(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_portal_group,
+ tpg_attrib_group);
+}
+
+static inline struct se_portal_group *auth_to_tpg(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_portal_group,
+ tpg_auth_group);
+}
+
+static inline struct se_portal_group *param_to_tpg(struct config_item *item)
+{
+ return container_of(to_config_group(item), struct se_portal_group,
+ tpg_param_group);
+}
+
struct se_wwn {
struct target_fabric_configfs *wwn_tf;
struct config_group wwn_group;
diff --git a/kernel/include/target/target_core_configfs.h b/kernel/include/target/target_core_configfs.h
deleted file mode 100644
index b99c01170..000000000
--- a/kernel/include/target/target_core_configfs.h
+++ /dev/null
@@ -1,48 +0,0 @@
-#define TARGET_CORE_CONFIGFS_VERSION TARGET_CORE_MOD_VERSION
-
-#define TARGET_CORE_CONFIG_ROOT "/sys/kernel/config"
-
-#define TARGET_CORE_NAME_MAX_LEN 64
-#define TARGET_FABRIC_NAME_SIZE 32
-
-struct target_fabric_configfs_template {
- struct config_item_type tfc_discovery_cit;
- struct config_item_type tfc_wwn_cit;
- struct config_item_type tfc_wwn_fabric_stats_cit;
- struct config_item_type tfc_tpg_cit;
- struct config_item_type tfc_tpg_base_cit;
- struct config_item_type tfc_tpg_lun_cit;
- struct config_item_type tfc_tpg_port_cit;
- struct config_item_type tfc_tpg_port_stat_cit;
- struct config_item_type tfc_tpg_np_cit;
- struct config_item_type tfc_tpg_np_base_cit;
- struct config_item_type tfc_tpg_attrib_cit;
- struct config_item_type tfc_tpg_auth_cit;
- struct config_item_type tfc_tpg_param_cit;
- struct config_item_type tfc_tpg_nacl_cit;
- struct config_item_type tfc_tpg_nacl_base_cit;
- struct config_item_type tfc_tpg_nacl_attrib_cit;
- struct config_item_type tfc_tpg_nacl_auth_cit;
- struct config_item_type tfc_tpg_nacl_param_cit;
- struct config_item_type tfc_tpg_nacl_stat_cit;
- struct config_item_type tfc_tpg_mappedlun_cit;
- struct config_item_type tfc_tpg_mappedlun_stat_cit;
-};
-
-struct target_fabric_configfs {
- char tf_name[TARGET_FABRIC_NAME_SIZE];
- atomic_t tf_access_cnt;
- struct list_head tf_list;
- struct config_group tf_group;
- struct config_group tf_disc_group;
- struct config_group *tf_default_groups[2];
- /* Pointer to fabric's config_item */
- struct config_item *tf_fabric;
- /* Passed from fabric modules */
- struct config_item_type *tf_fabric_cit;
- /* Pointer to fabric's struct module */
- struct module *tf_module;
- struct target_core_fabric_ops tf_ops;
- struct target_fabric_configfs_template tf_cit_tmpl;
-};
-
diff --git a/kernel/include/target/target_core_fabric.h b/kernel/include/target/target_core_fabric.h
index 0f4dc3768..7fb2557a7 100644
--- a/kernel/include/target/target_core_fabric.h
+++ b/kernel/include/target/target_core_fabric.h
@@ -4,20 +4,24 @@
struct target_core_fabric_ops {
struct module *module;
const char *name;
+ size_t node_acl_size;
+ /*
+ * Limits number of scatterlist entries per SCF_SCSI_DATA_CDB payload.
+ * Setting this value tells target-core to enforce this limit, and
+ * report as INQUIRY EVPD=b0 MAXIMUM TRANSFER LENGTH.
+ *
+ * target-core will currently reset se_cmd->data_length to this
+ * maximum size, and set UNDERFLOW residual count if length exceeds
+ * this limit.
+ *
+ * XXX: Not all initiator hosts honor this block-limit EVPD
+ * XXX: Currently assumes single PAGE_SIZE per scatterlist entry
+ */
+ u32 max_data_sg_nents;
char *(*get_fabric_name)(void);
- u8 (*get_fabric_proto_ident)(struct se_portal_group *);
char *(*tpg_get_wwn)(struct se_portal_group *);
u16 (*tpg_get_tag)(struct se_portal_group *);
u32 (*tpg_get_default_depth)(struct se_portal_group *);
- u32 (*tpg_get_pr_transport_id)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *,
- unsigned char *);
- u32 (*tpg_get_pr_transport_id_len)(struct se_portal_group *,
- struct se_node_acl *,
- struct t10_pr_registration *, int *);
- char *(*tpg_parse_pr_out_transport_id)(struct se_portal_group *,
- const char *, u32 *, char **);
int (*tpg_check_demo_mode)(struct se_portal_group *);
int (*tpg_check_demo_mode_cache)(struct se_portal_group *);
int (*tpg_check_demo_mode_write_protect)(struct se_portal_group *);
@@ -36,10 +40,6 @@ struct target_core_fabric_ops {
* WRITE_STRIP and READ_INSERT operations.
*/
int (*tpg_check_prot_fabric_only)(struct se_portal_group *);
- struct se_node_acl *(*tpg_alloc_fabric_acl)(
- struct se_portal_group *);
- void (*tpg_release_fabric_acl)(struct se_portal_group *,
- struct se_node_acl *);
u32 (*tpg_get_inst_index)(struct se_portal_group *);
/*
* Optional to release struct se_cmd and fabric dependent allocated
@@ -50,7 +50,6 @@ struct target_core_fabric_ops {
*/
int (*check_stop_free)(struct se_cmd *);
void (*release_cmd)(struct se_cmd *);
- void (*put_session)(struct se_session *);
/*
* Called with spin_lock_bh(struct se_portal_group->session_lock held.
*/
@@ -66,7 +65,6 @@ struct target_core_fabric_ops {
int (*write_pending)(struct se_cmd *);
int (*write_pending_status)(struct se_cmd *);
void (*set_default_node_attributes)(struct se_node_acl *);
- u32 (*get_task_tag)(struct se_cmd *);
int (*get_cmd_state)(struct se_cmd *);
int (*queue_data_in)(struct se_cmd *);
int (*queue_status)(struct se_cmd *);
@@ -88,9 +86,8 @@ struct target_core_fabric_ops {
struct se_tpg_np *(*fabric_make_np)(struct se_portal_group *,
struct config_group *, const char *);
void (*fabric_drop_np)(struct se_tpg_np *);
- struct se_node_acl *(*fabric_make_nodeacl)(struct se_portal_group *,
- struct config_group *, const char *);
- void (*fabric_drop_nodeacl)(struct se_node_acl *);
+ int (*fabric_init_nodeacl)(struct se_node_acl *, const char *);
+ void (*fabric_cleanup_nodeacl)(struct se_node_acl *);
struct configfs_attribute **tfc_discovery_attrs;
struct configfs_attribute **tfc_wwn_attrs;
@@ -132,16 +129,16 @@ void transport_deregister_session(struct se_session *);
void transport_init_se_cmd(struct se_cmd *,
const struct target_core_fabric_ops *,
struct se_session *, u32, int, int, unsigned char *);
-sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u32);
+sense_reason_t transport_lookup_cmd_lun(struct se_cmd *, u64);
sense_reason_t target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *);
int target_submit_cmd_map_sgls(struct se_cmd *, struct se_session *,
- unsigned char *, unsigned char *, u32, u32, int, int, int,
+ unsigned char *, unsigned char *, u64, u32, int, int, int,
struct scatterlist *, u32, struct scatterlist *, u32,
struct scatterlist *, u32);
int target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
- unsigned char *, u32, u32, int, int, int);
+ unsigned char *, u64, u32, int, int, int);
int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,
- unsigned char *sense, u32 unpacked_lun,
+ unsigned char *sense, u64 unpacked_lun,
void *fabric_tmr_ptr, unsigned char tm_type,
gfp_t, unsigned int, int);
int transport_handle_cdb_direct(struct se_cmd *);
@@ -155,8 +152,8 @@ 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 *,
sense_reason_t, int);
-int target_get_sess_cmd(struct se_session *, struct se_cmd *, bool);
-int target_put_sess_cmd(struct se_session *, struct se_cmd *);
+int target_get_sess_cmd(struct se_cmd *, bool);
+int target_put_sess_cmd(struct se_cmd *);
void target_sess_cmd_list_set_waiting(struct se_session *);
void target_wait_for_sess_cmds(struct se_session *);
@@ -167,52 +164,20 @@ void core_tmr_release_req(struct se_tmr_req *);
int transport_generic_handle_tmr(struct se_cmd *);
void transport_generic_request_failure(struct se_cmd *, sense_reason_t);
void __target_execute_cmd(struct se_cmd *);
-int transport_lookup_tmr_lun(struct se_cmd *, u32);
+int transport_lookup_tmr_lun(struct se_cmd *, u64);
+void core_allocate_nexus_loss_ua(struct se_node_acl *acl);
struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
unsigned char *);
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_set_initiator_node_tag(struct se_portal_group *,
struct se_node_acl *, const char *);
-int core_tpg_register(const struct target_core_fabric_ops *,
- struct se_wwn *, struct se_portal_group *, void *, int);
+int core_tpg_register(struct se_wwn *, struct se_portal_group *, 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 **);
-
/*
* The LIO target core uses DMA_TO_DEVICE to mean that data is going
* to the target (eg handling a WRITE) and DMA_FROM_DEVICE to mean
diff --git a/kernel/include/target/target_core_fabric_configfs.h b/kernel/include/target/target_core_fabric_configfs.h
deleted file mode 100644
index 7a0649c09..000000000
--- a/kernel/include/target/target_core_fabric_configfs.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * Used for tfc_wwn_cit attributes
- */
-
-#include <target/configfs_macros.h>
-
-CONFIGFS_EATTR_STRUCT(target_fabric_nacl_attrib, se_node_acl);
-#define TF_NACL_ATTRIB_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_nacl_attrib_attribute _fabric##_nacl_attrib_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_nacl_attrib_show_##_name, \
- _fabric##_nacl_attrib_store_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_nacl_auth, se_node_acl);
-#define TF_NACL_AUTH_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_nacl_auth_show_##_name, \
- _fabric##_nacl_auth_store_##_name);
-
-#define TF_NACL_AUTH_ATTR_RO(_fabric, _name) \
-static struct target_fabric_nacl_auth_attribute _fabric##_nacl_auth_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_nacl_auth_show_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_nacl_param, se_node_acl);
-#define TF_NACL_PARAM_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_nacl_param_show_##_name, \
- _fabric##_nacl_param_store_##_name);
-
-#define TF_NACL_PARAM_ATTR_RO(_fabric, _name) \
-static struct target_fabric_nacl_param_attribute _fabric##_nacl_param_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_nacl_param_show_##_name);
-
-
-CONFIGFS_EATTR_STRUCT(target_fabric_nacl_base, se_node_acl);
-#define TF_NACL_BASE_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_nacl_show_##_name, \
- _fabric##_nacl_store_##_name);
-
-#define TF_NACL_BASE_ATTR_RO(_fabric, _name) \
-static struct target_fabric_nacl_base_attribute _fabric##_nacl_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_nacl_show_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_np_base, se_tpg_np);
-#define TF_NP_BASE_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_np_base_attribute _fabric##_np_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_np_show_##_name, \
- _fabric##_np_store_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_tpg_attrib, se_portal_group);
-#define TF_TPG_ATTRIB_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_tpg_attrib_attribute _fabric##_tpg_attrib_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_tpg_attrib_show_##_name, \
- _fabric##_tpg_attrib_store_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_tpg_auth, se_portal_group);
-#define TF_TPG_AUTH_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_tpg_auth_show_##_name, \
- _fabric##_tpg_auth_store_##_name);
-
-#define TF_TPG_AUTH_ATTR_RO(_fabric, _name) \
-static struct target_fabric_tpg_auth_attribute _fabric##_tpg_auth_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_tpg_auth_show_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_tpg_param, se_portal_group);
-#define TF_TPG_PARAM_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_tpg_param_attribute _fabric##_tpg_param_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_tpg_param_show_##_name, \
- _fabric##_tpg_param_store_##_name);
-
-
-CONFIGFS_EATTR_STRUCT(target_fabric_tpg, se_portal_group);
-#define TF_TPG_BASE_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_tpg_show_##_name, \
- _fabric##_tpg_store_##_name);
-
-
-#define TF_TPG_BASE_ATTR_RO(_fabric, _name) \
-static struct target_fabric_tpg_attribute _fabric##_tpg_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_tpg_show_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_wwn, target_fabric_configfs);
-#define TF_WWN_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_wwn_show_attr_##_name, \
- _fabric##_wwn_store_attr_##_name);
-
-#define TF_WWN_ATTR_RO(_fabric, _name) \
-static struct target_fabric_wwn_attribute _fabric##_wwn_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_wwn_show_attr_##_name);
-
-CONFIGFS_EATTR_STRUCT(target_fabric_discovery, target_fabric_configfs);
-#define TF_DISC_ATTR(_fabric, _name, _mode) \
-static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \
- __CONFIGFS_EATTR(_name, _mode, \
- _fabric##_disc_show_##_name, \
- _fabric##_disc_store_##_name);
-
-#define TF_DISC_ATTR_RO(_fabric, _name) \
-static struct target_fabric_discovery_attribute _fabric##_disc_##_name = \
- __CONFIGFS_EATTR_RO(_name, \
- _fabric##_disc_show_##_name);
-
-extern int target_fabric_setup_cits(struct target_fabric_configfs *);