* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (26 commits)
target: Set additional sense length field in sense data
target: Remove legacy device status check from transport_execute_tasks
target: Remove __transport_execute_tasks() for each processing context
target: Remove extra se_device->execute_task_lock access in fast path
target: Drop se_device TCQ queue_depth usage from I/O path
target: Fix possible NULL pointer with __transport_execute_tasks
target: Remove TFO->check_release_cmd() fabric API caller
tcm_fc: Convert ft_send_work to use target_submit_cmd
target: Add target_submit_cmd() for process context fabric submission
target: Make target_put_sess_cmd use target_release_cmd_kref
target: Set response format in INQUIRY response
target: tcm_mod_builder: small fixups
Documentation/target: Fix tcm_mod_builder.py build breakage
target: remove overagressive ____cacheline_aligned annoations
tcm_loop: bump max_sectors
target/configs: remove trailing newline from udev_path and alias
iscsi-target: fix chap identifier simple_strtoul usage
target: remove useless casts
target: simplify target_check_cdb_and_preempt
target: Move core_scsi3_check_cdb_abort_and_preempt
...
buf += "#include <linux/ctype.h>\n"
buf += "#include <asm/unaligned.h>\n\n"
buf += "#include <target/target_core_base.h>\n"
- buf += "#include <target/target_core_transport.h>\n"
- buf += "#include <target/target_core_fabric_ops.h>\n"
+ buf += "#include <target/target_core_fabric.h>\n"
buf += "#include <target/target_core_fabric_configfs.h>\n"
- buf += "#include <target/target_core_fabric_lib.h>\n"
- buf += "#include <target/target_core_device.h>\n"
- buf += "#include <target/target_core_tpg.h>\n"
buf += "#include <target/target_core_configfs.h>\n"
- buf += "#include <target/target_core_base.h>\n"
buf += "#include <target/configfs_macros.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
buf += " /* " + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
buf += " return ERR_PTR(-EINVAL); */\n"
buf += " se_nacl_new = " + fabric_mod_name + "_alloc_fabric_acl(se_tpg);\n"
- buf += " if (!(se_nacl_new))\n"
+ buf += " if (!se_nacl_new)\n"
buf += " return ERR_PTR(-ENOMEM);\n"
buf += "//#warning FIXME: Hardcoded nexus depth in " + fabric_mod_name + "_make_nodeacl()\n"
buf += " nexus_depth = 1;\n"
buf += " if (strict_strtoul(name + 5, 10, &tpgt) || tpgt > UINT_MAX)\n"
buf += " return ERR_PTR(-EINVAL);\n\n"
buf += " tpg = kzalloc(sizeof(struct " + fabric_mod_name + "_tpg), GFP_KERNEL);\n"
- buf += " if (!(tpg)) {\n"
+ buf += " if (!tpg) {\n"
buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_tpg\");\n"
buf += " return ERR_PTR(-ENOMEM);\n"
buf += " }\n"
buf += " /* if (" + fabric_mod_name + "_parse_wwn(name, &wwpn, 1) < 0)\n"
buf += " return ERR_PTR(-EINVAL); */\n\n"
buf += " " + fabric_mod_port + " = kzalloc(sizeof(struct " + fabric_mod_name + "_" + fabric_mod_port + "), GFP_KERNEL);\n"
- buf += " if (!(" + fabric_mod_port + ")) {\n"
+ buf += " if (!" + fabric_mod_port + ") {\n"
buf += " printk(KERN_ERR \"Unable to allocate struct " + fabric_mod_name + "_" + fabric_mod_port + "\");\n"
buf += " return ERR_PTR(-ENOMEM);\n"
buf += " }\n"
if proto_ident == "FC" or proto_ident == "SAS":
buf += " " + fabric_mod_port + "->" + fabric_mod_port + "_wwpn = wwpn;\n"
- buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "__NAMELEN, wwpn); */\n\n"
+ buf += " /* " + fabric_mod_name + "_format_wwn(&" + fabric_mod_port + "->" + fabric_mod_port + "_name[0], " + fabric_mod_name.upper() + "_NAMELEN, wwpn); */\n\n"
buf += " return &" + fabric_mod_port + "->" + fabric_mod_port + "_wwn;\n"
buf += "}\n\n"
buf += "static void " + fabric_mod_name + "_drop_" + fabric_mod_port + "(struct se_wwn *wwn)\n"
buf += " .tpg_alloc_fabric_acl = " + fabric_mod_name + "_alloc_fabric_acl,\n"
buf += " .tpg_release_fabric_acl = " + fabric_mod_name + "_release_fabric_acl,\n"
buf += " .tpg_get_inst_index = " + fabric_mod_name + "_tpg_get_inst_index,\n"
- buf += " .release_cmd_to_pool = " + fabric_mod_name + "_release_cmd,\n"
- buf += " .release_cmd_direct = " + fabric_mod_name + "_release_cmd,\n"
+ buf += " .release_cmd = " + fabric_mod_name + "_release_cmd,\n"
buf += " .shutdown_session = " + fabric_mod_name + "_shutdown_session,\n"
buf += " .close_session = " + fabric_mod_name + "_close_session,\n"
buf += " .stop_session = " + fabric_mod_name + "_stop_session,\n"
buf += " .set_default_node_attributes = " + fabric_mod_name + "_set_default_node_attrs,\n"
buf += " .get_task_tag = " + fabric_mod_name + "_get_task_tag,\n"
buf += " .get_cmd_state = " + fabric_mod_name + "_get_cmd_state,\n"
- buf += " .new_cmd_failure = " + fabric_mod_name + "_new_cmd_failure,\n"
buf += " .queue_data_in = " + fabric_mod_name + "_queue_data_in,\n"
buf += " .queue_status = " + fabric_mod_name + "_queue_status,\n"
buf += " .queue_tm_rsp = " + fabric_mod_name + "_queue_tm_rsp,\n"
buf += " .get_fabric_sense_len = " + fabric_mod_name + "_get_fabric_sense_len,\n"
buf += " .set_fabric_sense_len = " + fabric_mod_name + "_set_fabric_sense_len,\n"
buf += " .is_state_remove = " + fabric_mod_name + "_is_state_remove,\n"
- buf += " .pack_lun = " + fabric_mod_name + "_pack_lun,\n"
buf += " /*\n"
buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
buf += " */\n"
buf += " * Register the top level struct config_item_type with TCM core\n"
buf += " */\n"
buf += " fabric = target_fabric_configfs_init(THIS_MODULE, \"" + fabric_mod_name[4:] + "\");\n"
- buf += " if (!(fabric)) {\n"
+ buf += " if (IS_ERR(fabric)) {\n"
buf += " printk(KERN_ERR \"target_fabric_configfs_init() failed\\n\");\n"
- buf += " return -ENOMEM;\n"
+ buf += " return PTR_ERR(fabric);\n"
buf += " }\n"
buf += " /*\n"
buf += " * Setup fabric->tf_ops from our local " + fabric_mod_name + "_ops\n"
buf += " printk(KERN_INFO \"" + fabric_mod_name.upper() + "[0] - Set fabric -> " + fabric_mod_name + "_fabric_configfs\\n\");\n"
buf += " return 0;\n"
buf += "};\n\n"
- buf += "static void " + fabric_mod_name + "_deregister_configfs(void)\n"
+ buf += "static void __exit " + fabric_mod_name + "_deregister_configfs(void)\n"
buf += "{\n"
- buf += " if (!(" + fabric_mod_name + "_fabric_configfs))\n"
+ buf += " if (!" + fabric_mod_name + "_fabric_configfs)\n"
buf += " return;\n\n"
buf += " target_fabric_configfs_deregister(" + fabric_mod_name + "_fabric_configfs);\n"
buf += " " + fabric_mod_name + "_fabric_configfs = NULL;\n"
buf += " return ret;\n\n"
buf += " return 0;\n"
buf += "};\n\n"
- buf += "static void " + fabric_mod_name + "_exit(void)\n"
+ buf += "static void __exit " + fabric_mod_name + "_exit(void)\n"
buf += "{\n"
buf += " " + fabric_mod_name + "_deregister_configfs();\n"
buf += "};\n\n"
- buf += "#ifdef MODULE\n"
buf += "MODULE_DESCRIPTION(\"" + fabric_mod_name.upper() + " series fabric driver\");\n"
buf += "MODULE_LICENSE(\"GPL\");\n"
buf += "module_init(" + fabric_mod_name + "_init);\n"
buf += "module_exit(" + fabric_mod_name + "_exit);\n"
- buf += "#endif\n"
ret = p.write(buf)
if ret:
def tcm_mod_scan_fabric_ops(tcm_dir):
- fabric_ops_api = tcm_dir + "include/target/target_core_fabric_ops.h"
+ fabric_ops_api = tcm_dir + "include/target/target_core_fabric.h"
print "Using tcm_mod_scan_fabric_ops: " + fabric_ops_api
process_fo = 0;
buf += "#include <scsi/scsi_cmnd.h>\n"
buf += "#include <scsi/libfc.h>\n\n"
buf += "#include <target/target_core_base.h>\n"
- buf += "#include <target/target_core_transport.h>\n"
- buf += "#include <target/target_core_fabric_ops.h>\n"
- buf += "#include <target/target_core_fabric_lib.h>\n"
- buf += "#include <target/target_core_device.h>\n"
- buf += "#include <target/target_core_tpg.h>\n"
+ buf += "#include <target/target_core_fabric.h>\n"
buf += "#include <target/target_core_configfs.h>\n\n"
buf += "#include \"" + fabric_mod_name + "_base.h\"\n"
buf += "#include \"" + fabric_mod_name + "_fabric.h\"\n\n"
buf += "{\n"
buf += " struct " + fabric_mod_name + "_nacl *nacl;\n\n"
buf += " nacl = kzalloc(sizeof(struct " + fabric_mod_name + "_nacl), GFP_KERNEL);\n"
- buf += " if (!(nacl)) {\n"
+ buf += " if (!nacl) {\n"
buf += " printk(KERN_ERR \"Unable to alocate struct " + fabric_mod_name + "_nacl\\n\");\n"
buf += " return NULL;\n"
buf += " }\n\n"
buf += "}\n\n"
bufi += "u32 " + fabric_mod_name + "_tpg_get_inst_index(struct se_portal_group *);\n"
- if re.search('release_cmd_to_pool', fo):
+ if re.search('\*release_cmd\)\(', fo):
buf += "void " + fabric_mod_name + "_release_cmd(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += " return;\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_get_cmd_state(struct se_cmd *);\n"
- if re.search('new_cmd_failure\)\(', fo):
- buf += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *se_cmd)\n"
- buf += "{\n"
- buf += " return;\n"
- buf += "}\n\n"
- bufi += "void " + fabric_mod_name + "_new_cmd_failure(struct se_cmd *);\n"
-
if re.search('queue_data_in\)\(', fo):
buf += "int " + fabric_mod_name + "_queue_data_in(struct se_cmd *se_cmd)\n"
buf += "{\n"
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *);\n"
- if re.search('pack_lun\)\(', fo):
- buf += "u64 " + fabric_mod_name + "_pack_lun(unsigned int lun)\n"
- buf += "{\n"
- buf += " WARN_ON(lun >= 256);\n"
- buf += " /* Caller wants this byte-swapped */\n"
- buf += " return cpu_to_le64((lun & 0xff) << 8);\n"
- buf += "}\n\n"
- bufi += "u64 " + fabric_mod_name + "_pack_lun(unsigned int);\n"
-
ret = p.write(buf)
if ret:
#include <scsi/scsi_device.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_parameters.h"
sock_in6 = (struct sockaddr_in6 *)sockaddr;
sock_in6_e = (struct sockaddr_in6 *)&np->np_sockaddr;
- if (!memcmp((void *)&sock_in6->sin6_addr.in6_u,
- (void *)&sock_in6_e->sin6_addr.in6_u,
+ if (!memcmp(&sock_in6->sin6_addr.in6_u,
+ &sock_in6_e->sin6_addr.in6_u,
sizeof(struct in6_addr)))
ip_match = 1;
crypto_hash_init(hash);
- sg_init_one(&sg, (u8 *)buf, payload_length);
+ sg_init_one(&sg, buf, payload_length);
crypto_hash_update(hash, &sg, payload_length);
if (padding) {
/*
* Attach ping data to struct iscsi_cmd->buf_ptr.
*/
- cmd->buf_ptr = (void *)ping_data;
+ cmd->buf_ptr = ping_data;
cmd->buf_ptr_size = payload_length;
pr_debug("Got %u bytes of NOPOUT ping"
end_of_buf = 1;
goto eob;
}
- memcpy((void *)payload + payload_len, buf, len);
+ memcpy(payload + payload_len, buf, len);
payload_len += len;
spin_lock(&tiqn->tiqn_tpg_lock);
end_of_buf = 1;
goto eob;
}
- memcpy((void *)payload + payload_len, buf, len);
+ memcpy(payload + payload_len, buf, len);
payload_len += len;
}
spin_unlock(&tpg->tpg_np_lock);
struct iscsi_conn *conn;
struct iscsi_queue_req *qr = NULL;
struct se_cmd *se_cmd;
- struct iscsi_thread_set *ts = (struct iscsi_thread_set *)arg;
+ struct iscsi_thread_set *ts = arg;
/*
* Allow ourselves to be interrupted by SIGINT so that a
* connection recovery / failure event can be triggered externally.
u8 buffer[ISCSI_HDR_LEN], opcode;
u32 checksum = 0, digest = 0;
struct iscsi_conn *conn = NULL;
- struct iscsi_thread_set *ts = (struct iscsi_thread_set *)arg;
+ struct iscsi_thread_set *ts = arg;
struct kvec iov;
/*
* Allow ourselves to be interrupted by SIGINT so that a
unsigned int *c_len)
{
unsigned char challenge_asciihex[CHAP_CHALLENGE_LENGTH * 2 + 1];
- struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+ struct iscsi_chap *chap = conn->auth_protocol;
memset(challenge_asciihex, 0, CHAP_CHALLENGE_LENGTH * 2 + 1);
if (!conn->auth_protocol)
return NULL;
- chap = (struct iscsi_chap *) conn->auth_protocol;
+ chap = conn->auth_protocol;
/*
* We only support MD5 MDA presently.
*/
unsigned int *nr_out_len)
{
char *endptr;
- unsigned char id, digest[MD5_SIGNATURE_SIZE];
+ unsigned long id;
+ unsigned char digest[MD5_SIGNATURE_SIZE];
unsigned char type, response[MD5_SIGNATURE_SIZE * 2 + 2];
unsigned char identifier[10], *challenge = NULL;
unsigned char *challenge_binhex = NULL;
unsigned char client_digest[MD5_SIGNATURE_SIZE];
unsigned char server_digest[MD5_SIGNATURE_SIZE];
unsigned char chap_n[MAX_CHAP_N_SIZE], chap_r[MAX_RESPONSE_LENGTH];
- struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+ struct iscsi_chap *chap = conn->auth_protocol;
struct crypto_hash *tfm;
struct hash_desc desc;
struct scatterlist sg;
goto out;
}
- sg_init_one(&sg, (void *)&chap->id, 1);
+ sg_init_one(&sg, &chap->id, 1);
ret = crypto_hash_update(&desc, &sg, 1);
if (ret < 0) {
pr_err("crypto_hash_update() failed for id\n");
goto out;
}
- sg_init_one(&sg, (void *)&auth->password, strlen(auth->password));
+ sg_init_one(&sg, &auth->password, strlen(auth->password));
ret = crypto_hash_update(&desc, &sg, strlen(auth->password));
if (ret < 0) {
pr_err("crypto_hash_update() failed for password\n");
goto out;
}
- sg_init_one(&sg, (void *)chap->challenge, CHAP_CHALLENGE_LENGTH);
+ sg_init_one(&sg, chap->challenge, CHAP_CHALLENGE_LENGTH);
ret = crypto_hash_update(&desc, &sg, CHAP_CHALLENGE_LENGTH);
if (ret < 0) {
pr_err("crypto_hash_update() failed for challenge\n");
}
if (type == HEX)
- id = (unsigned char)simple_strtoul((char *)&identifier[2],
- &endptr, 0);
+ id = simple_strtoul(&identifier[2], &endptr, 0);
else
- id = (unsigned char)simple_strtoul(identifier, &endptr, 0);
+ id = simple_strtoul(identifier, &endptr, 0);
+ if (id > 255) {
+ pr_err("chap identifier: %lu greater than 255\n", id);
+ goto out;
+ }
/*
* RFC 1994 says Identifier is no more than octet (8 bits).
*/
- pr_debug("[server] Got CHAP_I=%d\n", id);
+ pr_debug("[server] Got CHAP_I=%lu\n", id);
/*
* Get CHAP_C.
*/
goto out;
}
- sg_init_one(&sg, (void *)&id, 1);
+ sg_init_one(&sg, &id, 1);
ret = crypto_hash_update(&desc, &sg, 1);
if (ret < 0) {
pr_err("crypto_hash_update() failed for id\n");
goto out;
}
- sg_init_one(&sg, (void *)auth->password_mutual,
+ sg_init_one(&sg, auth->password_mutual,
strlen(auth->password_mutual));
ret = crypto_hash_update(&desc, &sg, strlen(auth->password_mutual));
if (ret < 0) {
/*
* Convert received challenge to binary hex.
*/
- sg_init_one(&sg, (void *)challenge_binhex, challenge_len);
+ sg_init_one(&sg, challenge_binhex, challenge_len);
ret = crypto_hash_update(&desc, &sg, challenge_len);
if (ret < 0) {
pr_err("crypto_hash_update() failed for ma challenge\n");
char *nr_out_ptr,
unsigned int *nr_out_len)
{
- struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+ struct iscsi_chap *chap = conn->auth_protocol;
switch (chap->digest_type) {
case CHAP_DIGEST_MD5:
int *in_len,
int *out_len)
{
- struct iscsi_chap *chap = (struct iscsi_chap *) conn->auth_protocol;
+ struct iscsi_chap *chap = conn->auth_protocol;
if (!chap) {
chap = chap_server_open(conn, auth, in_text, out_text, out_len);
#include <linux/configfs.h>
#include <linux/export.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
{
struct se_portal_group *se_tpg = container_of(to_config_group(item),
struct se_portal_group, tpg_group);
- struct iscsi_portal_group *tpg =
- (struct iscsi_portal_group *)se_tpg->se_tpg_fabric_ptr;
+ struct iscsi_portal_group *tpg = se_tpg->se_tpg_fabric_ptr;
int ret;
if (!tpg) {
ret = core_tpg_register(
&lio_target_fabric_configfs->tf_ops,
- wwn, &tpg->tpg_se_tpg, (void *)tpg,
+ wwn, &tpg->tpg_se_tpg, tpg,
TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0)
return NULL;
#include <scsi/scsi_device.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_device.h"
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h"
#include <linux/list.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h"
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_datain_values.h"
#include <linux/crypto.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_tq.h"
list_for_each_entry_safe(se_sess, se_sess_tmp, &se_tpg->tpg_sess_list,
sess_list) {
- sess_p = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess_p = se_sess->fabric_sess_ptr;
spin_lock(&sess_p->conn_lock);
if (atomic_read(&sess_p->session_fall_back_to_erl0) ||
atomic_read(&sess_p->session_logout) ||
spin_unlock(&sess_p->conn_lock);
continue;
}
- if (!memcmp((void *)sess_p->isid, (void *)conn->sess->isid, 6) &&
- (!strcmp((void *)sess_p->sess_ops->InitiatorName,
- (void *)initiatorname_param->value) &&
+ if (!memcmp(sess_p->isid, conn->sess->isid, 6) &&
+ (!strcmp(sess_p->sess_ops->InitiatorName,
+ initiatorname_param->value) &&
(sess_p->sess_ops->SessionType == sessiontype))) {
atomic_set(&sess_p->session_reinstatement, 1);
spin_unlock(&sess_p->conn_lock);
iscsi_login_set_conn_values(sess, conn, pdu->cid);
sess->init_task_tag = pdu->itt;
- memcpy((void *)&sess->isid, (void *)pdu->isid, 6);
+ memcpy(&sess->isid, pdu->isid, 6);
sess->exp_cmd_sn = pdu->cmdsn;
INIT_LIST_HEAD(&sess->sess_conn_list);
INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
atomic_read(&sess_p->session_logout) ||
(sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
continue;
- if (!memcmp((const void *)sess_p->isid,
- (const void *)pdu->isid, 6) &&
+ if (!memcmp(sess_p->isid, pdu->isid, 6) &&
(sess_p->tsih == pdu->tsih)) {
iscsit_inc_session_usage_count(sess_p);
iscsit_stop_time2retain_timer(sess_p);
spin_lock_bh(&se_tpg->session_lock);
__transport_register_session(&sess->tpg->tpg_se_tpg,
- se_sess->se_node_acl, se_sess, (void *)sess);
+ se_sess->se_node_acl, se_sess, sess);
pr_debug("Moving to TARG_SESS_STATE_LOGGED_IN.\n");
sess->session_state = TARG_SESS_STATE_LOGGED_IN;
* Setup the np->np_sockaddr from the passed sockaddr setup
* in iscsi_target_configfs.c code..
*/
- memcpy((void *)&np->np_sockaddr, (void *)sockaddr,
+ memcpy(&np->np_sockaddr, sockaddr,
sizeof(struct __kernel_sockaddr_storage));
if (sockaddr->ss_family == AF_INET6)
/*
* Set SO_REUSEADDR, and disable Nagel Algorithm with TCP_NODELAY.
*/
+ /* FIXME: Someone please explain why this is endian-safe */
opt = 1;
if (np->np_network_transport == ISCSI_TCP) {
ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
}
}
+ /* FIXME: Someone please explain why this is endian-safe */
ret = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(char *)&opt, sizeof(opt));
if (ret < 0) {
int iscsi_target_login_thread(void *arg)
{
- struct iscsi_np *np = (struct iscsi_np *)arg;
+ struct iscsi_np *np = arg;
int ret;
allow_signal(SIGINT);
#include <linux/ctype.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_parameters.h"
u32 iqn_size = strlen(param_buf), i;
for (i = 0; i < iqn_size; i++) {
- c = (char *)¶m_buf[i];
+ c = ¶m_buf[i];
if (!isupper(*c))
continue;
******************************************************************************/
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
#include "iscsi_target_core.h"
#include "iscsi_target_device.h"
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
spin_lock(&sess->conn_lock);
list_for_each_entry(conn, &sess->sess_conn_list,
#include <linux/export.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
#include <target/configfs_macros.h>
#include "iscsi_target_core.h"
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->sess_ops->SessionType ? 0 : ISCSI_NODE_INDEX);
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->session_index);
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n", sess->cmd_pdus);
}
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n", sess->rsp_pdus);
}
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%llu\n",
(unsigned long long)sess->tx_data_octets);
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%llu\n",
(unsigned long long)sess->rx_data_octets);
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->conn_digest_errors);
spin_lock_bh(&se_nacl->nacl_sess_lock);
se_sess = se_nacl->nacl_sess;
if (se_sess) {
- sess = (struct iscsi_session *)se_sess->fabric_sess_ptr;
+ sess = se_sess->fabric_sess_ptr;
if (sess)
ret = snprintf(page, PAGE_SIZE, "%u\n",
sess->conn_timeout_errors);
#include <asm/unaligned.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_fabric.h>
#include "iscsi_target_core.h"
#include "iscsi_target_seq_pdu_list.h"
******************************************************************************/
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
-#include <target/target_core_tpg.h>
#include "iscsi_target_core.h"
#include "iscsi_target_erl0.h"
ret = core_tpg_register(
&lio_target_fabric_configfs->tf_ops,
- NULL, &tpg->tpg_se_tpg, (void *)tpg,
+ NULL, &tpg->tpg_se_tpg, tpg,
TRANSPORT_TPG_TYPE_DISCOVERY);
if (ret < 0) {
kfree(tpg);
#include <scsi/scsi_tcq.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include "iscsi_target_core.h"
}
se_cmd->se_tmr_req = core_tmr_alloc_req(se_cmd,
- (void *)cmd->tmr_req, tcm_function,
+ cmd->tmr_req, tcm_function,
GFP_KERNEL);
if (!se_cmd->se_tmr_req)
goto out;
if (tiqn) {
spin_lock_bh(&tiqn->sess_err_stats.lock);
strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name,
- (void *)conn->sess->sess_ops->InitiatorName);
+ conn->sess->sess_ops->InitiatorName);
tiqn->sess_err_stats.last_sess_failure_type =
ISCSI_SESS_ERR_CXN_TIMEOUT;
tiqn->sess_err_stats.cxn_timeout_errors++;
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
#include <target/target_core_configfs.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_tmr.h>
#include "tcm_loop.h"
.queuecommand = tcm_loop_queuecommand,
.change_queue_depth = tcm_loop_change_queue_depth,
.eh_device_reset_handler = tcm_loop_device_reset,
- .can_queue = TL_SCSI_CAN_QUEUE,
+ .can_queue = 1024,
.this_id = -1,
- .sg_tablesize = TL_SCSI_SG_TABLESIZE,
- .cmd_per_lun = TL_SCSI_CMD_PER_LUN,
- .max_sectors = TL_SCSI_MAX_SECTORS,
+ .sg_tablesize = 256,
+ .cmd_per_lun = 1024,
+ .max_sectors = 0xFFFF,
.use_clustering = DISABLE_CLUSTERING,
.slave_alloc = tcm_loop_slave_alloc,
.slave_configure = tcm_loop_slave_configure,
static u8 tcm_loop_get_fabric_proto_ident(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
/*
* tl_proto_id is set at tcm_loop_configfs.c:tcm_loop_make_scsi_hba()
static char *tcm_loop_get_endpoint_wwn(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
/*
* Return the passed NAA identifier for the SAS Target Port
*/
static u16 tcm_loop_get_tag(struct se_portal_group *se_tpg)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
/*
* This Tag is used when forming SCSI Name identifier in EVPD=1 0x83
* to represent the SCSI Target Port.
int *format_code,
unsigned char *buf)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
switch (tl_hba->tl_proto_id) {
struct t10_pr_registration *pr_reg,
int *format_code)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
switch (tl_hba->tl_proto_id) {
u32 *out_tid_len,
char **port_nexus_ptr)
{
- struct tcm_loop_tpg *tl_tpg =
- (struct tcm_loop_tpg *)se_tpg->se_tpg_fabric_ptr;
+ struct tcm_loop_tpg *tl_tpg = se_tpg->se_tpg_fabric_ptr;
struct tcm_loop_hba *tl_hba = tl_tpg->tl_hba;
switch (tl_hba->tl_proto_id) {
#define TCM_LOOP_VERSION "v2.1-rc1"
#define TL_WWN_ADDR_LEN 256
#define TL_TPGS_PER_HBA 32
-/*
- * Defaults for struct scsi_host_template tcm_loop_driver_template
- *
- * We use large can_queue and cmd_per_lun here and let TCM enforce
- * the underlying se_device_t->queue_depth.
- */
-#define TL_SCSI_CAN_QUEUE 1024
-#define TL_SCSI_CMD_PER_LUN 1024
-#define TL_SCSI_MAX_SECTORS 1024
-#define TL_SCSI_SG_TABLESIZE 256
+
/*
* Used in tcm_loop_driver_probe() for struct Scsi_Host->max_cmd_len
*/
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_hba.h"
#include "target_core_ua.h"
static int core_alua_check_transition(int state, int *primary);
#include <scsi/scsi.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
+
+#include "target_core_internal.h"
#include "target_core_ua.h"
-#include "target_core_cdb.h"
static void
target_fill_alua_data(struct se_port *port, unsigned char *buf)
}
buf[2] = dev->transport->get_device_rev(dev);
+ /*
+ * NORMACA and HISUP = 0, RESPONSE DATA FORMAT = 2
+ *
+ * SPC4 says:
+ * A RESPONSE DATA FORMAT field set to 2h indicates that the
+ * standard INQUIRY data is in the format defined in this
+ * standard. Response data format values less than 2h are
+ * obsolete. Response data format values greater than 2h are
+ * reserved.
+ */
+ buf[3] = 2;
+
/*
* Enable SCCS and TPGS fields for Emulated ALUA
*/
goto out;
}
- snprintf((unsigned char *)&buf[8], 8, "LIO-ORG");
- snprintf((unsigned char *)&buf[16], 16, "%s",
- &dev->se_sub_dev->t10_wwn.model[0]);
- snprintf((unsigned char *)&buf[32], 4, "%s",
- &dev->se_sub_dev->t10_wwn.revision[0]);
+ snprintf(&buf[8], 8, "LIO-ORG");
+ snprintf(&buf[16], 16, "%s", dev->se_sub_dev->t10_wwn.model);
+ snprintf(&buf[32], 4, "%s", dev->se_sub_dev->t10_wwn.revision);
buf[4] = 31; /* Set additional length to 31 */
out:
SDF_EMULATED_VPD_UNIT_SERIAL) {
u32 unit_serial_len;
- unit_serial_len =
- strlen(&dev->se_sub_dev->t10_wwn.unit_serial[0]);
+ unit_serial_len = strlen(dev->se_sub_dev->t10_wwn.unit_serial);
unit_serial_len++; /* For NULL Terminator */
if (((len + 4) + unit_serial_len) > cmd->data_length) {
buf[3] = (len & 0xff);
return 0;
}
- len += sprintf((unsigned char *)&buf[4], "%s",
- &dev->se_sub_dev->t10_wwn.unit_serial[0]);
+ len += sprintf(&buf[4], "%s",
+ dev->se_sub_dev->t10_wwn.unit_serial);
len++; /* Extra Byte for NULL Terminator */
buf[3] = len;
}
len += (prod_len + unit_serial_len);
goto check_port;
}
- id_len += sprintf((unsigned char *)&buf[off+12],
- "%s:%s", prod,
+ id_len += sprintf(&buf[off+12], "%s:%s", prod,
&dev->se_sub_dev->t10_wwn.unit_serial[0]);
}
buf[off] = 0x2; /* ASCII */
buf[off+1] = 0x1; /* T10 Vendor ID */
buf[off+2] = 0x0;
- memcpy((unsigned char *)&buf[off+4], "LIO-ORG", 8);
+ memcpy(&buf[off+4], "LIO-ORG", 8);
/* Extra Byte for NULL Terminator */
id_len++;
/* Identifier Length */
+++ /dev/null
-#ifndef TARGET_CORE_CDB_H
-#define TARGET_CORE_CDB_H
-
-int target_emulate_inquiry(struct se_task *task);
-int target_emulate_readcapacity(struct se_task *task);
-int target_emulate_readcapacity_16(struct se_task *task);
-int target_emulate_modesense(struct se_task *task);
-int target_emulate_request_sense(struct se_task *task);
-int target_emulate_unmap(struct se_task *task);
-int target_emulate_write_same(struct se_task *task);
-int target_emulate_synchronize_cache(struct se_task *task);
-int target_emulate_noop(struct se_task *task);
-
-#endif /* TARGET_CORE_CDB_H */
#include <linux/spinlock.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_hba.h"
#include "target_core_pr.h"
#include "target_core_rd.h"
-#include "target_core_stat.h"
extern struct t10_alua_lu_gp *default_lu_gp;
return -ENOMEM;
orig = opts;
- while ((ptr = strsep(&opts, ",")) != NULL) {
+ while ((ptr = strsep(&opts, ",\n")) != NULL) {
if (!*ptr)
continue;
static ssize_t target_core_show_dev_info(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
struct se_hba *hba = se_dev->se_dev_hba;
struct se_subsystem_api *t = hba->transport;
int bl = 0;
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
struct se_hba *hba = se_dev->se_dev_hba;
struct se_subsystem_api *t = hba->transport;
static ssize_t target_core_show_dev_alias(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
if (!(se_dev->su_dev_flags & SDF_USING_ALIAS))
return 0;
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
struct se_hba *hba = se_dev->se_dev_hba;
ssize_t read_bytes;
read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN,
"%s", page);
+ if (se_dev->se_dev_alias[read_bytes - 1] == '\n')
+ se_dev->se_dev_alias[read_bytes - 1] = '\0';
+
pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n",
config_item_name(&hba->hba_group.cg_item),
config_item_name(&se_dev->se_dev_group.cg_item),
static ssize_t target_core_show_dev_udev_path(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
if (!(se_dev->su_dev_flags & SDF_USING_UDEV_PATH))
return 0;
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
struct se_hba *hba = se_dev->se_dev_hba;
ssize_t read_bytes;
read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN,
"%s", page);
+ if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n')
+ se_dev->se_dev_udev_path[read_bytes - 1] = '\0';
+
pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n",
config_item_name(&hba->hba_group.cg_item),
config_item_name(&se_dev->se_dev_group.cg_item),
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *se_dev = p;
struct se_device *dev;
struct se_hba *hba = se_dev->se_dev_hba;
struct se_subsystem_api *t = hba->transport;
static ssize_t target_core_show_alua_lu_gp(void *p, char *page)
{
struct se_device *dev;
- struct se_subsystem_dev *su_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *su_dev = p;
struct config_item *lu_ci;
struct t10_alua_lu_gp *lu_gp;
struct t10_alua_lu_gp_member *lu_gp_mem;
size_t count)
{
struct se_device *dev;
- struct se_subsystem_dev *su_dev = (struct se_subsystem_dev *)p;
+ struct se_subsystem_dev *su_dev = p;
struct se_hba *hba = su_dev->se_dev_hba;
struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL;
struct t10_alua_lu_gp_member *lu_gp_mem;
#include <scsi/scsi_device.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_hba.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
*/
int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
{
- u32 orig_queue_depth = dev->queue_depth;
-
if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
pr_err("dev[%p]: Unable to change SE Device TCQ while"
" dev_export_obj: %d count exists\n", dev,
}
dev->se_sub_dev->se_dev_attrib.queue_depth = dev->queue_depth = queue_depth;
- if (queue_depth > orig_queue_depth)
- atomic_add(queue_depth - orig_queue_depth, &dev->depth_left);
- else if (queue_depth < orig_queue_depth)
- atomic_sub(orig_queue_depth - queue_depth, &dev->depth_left);
-
pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n",
dev, queue_depth);
return 0;
#include <linux/configfs.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_hba.h"
#include "target_core_pr.h"
-#include "target_core_stat.h"
#define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
-#include "target_core_hba.h"
+#include "target_core_internal.h"
#include "target_core_pr.h"
/*
add_len = ((buf[2] >> 8) & 0xff);
add_len |= (buf[3] & 0xff);
- tid_len = strlen((char *)&buf[4]);
+ tid_len = strlen(&buf[4]);
tid_len += 4; /* Add four bytes for iSCSI Transport ID header */
tid_len += 1; /* Add one byte for NULL terminator */
padding = ((-tid_len) & 3);
* format.
*/
if (format_code == 0x40) {
- p = strstr((char *)&buf[4], ",i,0x");
+ p = strstr(&buf[4], ",i,0x");
if (!p) {
pr_err("Unable to locate \",i,0x\" seperator"
" for Initiator port identifier: %s\n",
- (char *)&buf[4]);
+ &buf[4]);
return NULL;
}
*p = '\0'; /* Terminate iSCSI Name */
#include <scsi/scsi_host.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
#include "target_core_file.h"
static void *fd_allocate_virtdevice(struct se_hba *hba, const char *name)
{
struct fd_dev *fd_dev;
- struct fd_host *fd_host = (struct fd_host *) hba->hba_ptr;
+ struct fd_host *fd_host = hba->hba_ptr;
fd_dev = kzalloc(sizeof(struct fd_dev), GFP_KERNEL);
if (!fd_dev) {
struct se_device *dev;
struct se_dev_limits dev_limits;
struct queue_limits *limits;
- struct fd_dev *fd_dev = (struct fd_dev *) p;
- struct fd_host *fd_host = (struct fd_host *) hba->hba_ptr;
+ struct fd_dev *fd_dev = p;
+ struct fd_host *fd_host = hba->hba_ptr;
mm_segment_t old_fs;
struct file *file;
struct inode *inode = NULL;
*/
static void fd_free_device(void *p)
{
- struct fd_dev *fd_dev = (struct fd_dev *) p;
+ struct fd_dev *fd_dev = p;
if (fd_dev->fd_file) {
filp_close(fd_dev->fd_file, NULL);
orig = opts;
- while ((ptr = strsep(&opts, ",")) != NULL) {
+ while ((ptr = strsep(&opts, ",\n")) != NULL) {
if (!*ptr)
continue;
static ssize_t fd_check_configfs_dev_params(struct se_hba *hba, struct se_subsystem_dev *se_dev)
{
- struct fd_dev *fd_dev = (struct fd_dev *) se_dev->se_dev_su_ptr;
+ struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
if (!(fd_dev->fbd_flags & FBDF_HAS_PATH)) {
pr_err("Missing fd_dev_name=\n");
#include <net/tcp.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
-#include "target_core_hba.h"
+#include "target_core_internal.h"
static LIST_HEAD(subsystem_list);
static DEFINE_MUTEX(subsystem_mutex);
+++ /dev/null
-#ifndef TARGET_CORE_HBA_H
-#define TARGET_CORE_HBA_H
-
-extern struct se_hba *core_alloc_hba(const char *, u32, u32);
-extern int core_delete_hba(struct se_hba *);
-
-#endif /* TARGET_CORE_HBA_H */
#include <scsi/scsi_host.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
#include "target_core_iblock.h"
orig = opts;
- while ((ptr = strsep(&opts, ",")) != NULL) {
+ while ((ptr = strsep(&opts, ",\n")) != NULL) {
if (!*ptr)
continue;
if (bd) {
bl += sprintf(b + bl, "Major: %d Minor: %d %s\n",
MAJOR(bd->bd_dev), MINOR(bd->bd_dev), (!bd->bd_contains) ?
- "" : (bd->bd_holder == (struct iblock_dev *)ibd) ?
+ "" : (bd->bd_holder == ibd) ?
"CLAIMED: IBLOCK" : "CLAIMED: OS");
} else {
bl += sprintf(b + bl, "Major: 0 Minor: 0\n");
--- /dev/null
+#ifndef TARGET_CORE_INTERNAL_H
+#define TARGET_CORE_INTERNAL_H
+
+/* target_core_alua.c */
+extern struct t10_alua_lu_gp *default_lu_gp;
+
+/* target_core_cdb.c */
+int target_emulate_inquiry(struct se_task *task);
+int target_emulate_readcapacity(struct se_task *task);
+int target_emulate_readcapacity_16(struct se_task *task);
+int target_emulate_modesense(struct se_task *task);
+int target_emulate_request_sense(struct se_task *task);
+int target_emulate_unmap(struct se_task *task);
+int target_emulate_write_same(struct se_task *task);
+int target_emulate_synchronize_cache(struct se_task *task);
+int target_emulate_noop(struct se_task *task);
+
+/* target_core_device.c */
+struct se_dev_entry *core_get_se_deve_from_rtpi(struct se_node_acl *, u16);
+int core_free_device_list_for_node(struct se_node_acl *,
+ struct se_portal_group *);
+void core_dec_lacl_count(struct se_node_acl *, struct se_cmd *);
+void core_update_device_list_access(u32, u32, struct se_node_acl *);
+int core_update_device_list_for_node(struct se_lun *, struct se_lun_acl *,
+ u32, u32, struct se_node_acl *, struct se_portal_group *, int);
+void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
+int core_dev_export(struct se_device *, struct se_portal_group *,
+ struct se_lun *);
+void core_dev_unexport(struct se_device *, struct se_portal_group *,
+ struct se_lun *);
+int target_report_luns(struct se_task *);
+void se_release_device_for_hba(struct se_device *);
+void se_release_vpd_for_dev(struct se_device *);
+int se_free_virtual_device(struct se_device *, struct se_hba *);
+int se_dev_check_online(struct se_device *);
+int se_dev_check_shutdown(struct se_device *);
+void se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *);
+int se_dev_set_task_timeout(struct se_device *, u32);
+int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
+int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
+int se_dev_set_unmap_granularity(struct se_device *, u32);
+int se_dev_set_unmap_granularity_alignment(struct se_device *, u32);
+int se_dev_set_emulate_dpo(struct se_device *, int);
+int se_dev_set_emulate_fua_write(struct se_device *, int);
+int se_dev_set_emulate_fua_read(struct se_device *, int);
+int se_dev_set_emulate_write_cache(struct se_device *, int);
+int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int);
+int se_dev_set_emulate_tas(struct se_device *, int);
+int se_dev_set_emulate_tpu(struct se_device *, int);
+int se_dev_set_emulate_tpws(struct se_device *, int);
+int se_dev_set_enforce_pr_isids(struct se_device *, int);
+int se_dev_set_is_nonrot(struct se_device *, int);
+int se_dev_set_emulate_rest_reord(struct se_device *dev, int);
+int se_dev_set_queue_depth(struct se_device *, u32);
+int se_dev_set_max_sectors(struct se_device *, u32);
+int se_dev_set_optimal_sectors(struct se_device *, u32);
+int se_dev_set_block_size(struct se_device *, u32);
+struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_hba *,
+ struct se_device *, u32);
+int core_dev_del_lun(struct se_portal_group *, u32);
+struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
+struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
+ u32, char *, int *);
+int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
+ struct se_lun_acl *, u32, u32);
+int core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
+ struct se_lun *, struct se_lun_acl *);
+void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
+ struct se_lun_acl *lacl);
+int core_dev_setup_virtual_lun0(void);
+void core_dev_release_virtual_lun0(void);
+
+/* target_core_hba.c */
+struct se_hba *core_alloc_hba(const char *, u32, u32);
+int core_delete_hba(struct se_hba *);
+
+/* target_core_tmr.c */
+int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
+ struct list_head *, struct se_cmd *);
+
+/* target_core_tpg.c */
+extern struct se_device *g_lun0_dev;
+
+struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
+ const char *);
+struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
+ unsigned char *);
+void core_tpg_add_node_to_devs(struct se_node_acl *, struct se_portal_group *);
+void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
+struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32);
+int core_tpg_post_addlun(struct se_portal_group *, struct se_lun *,
+ u32, void *);
+struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *);
+int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
+
+/* target_core_transport.c */
+extern struct kmem_cache *se_tmr_req_cache;
+
+int init_se_kmem_caches(void);
+void release_se_kmem_caches(void);
+u32 scsi_get_new_index(scsi_index_t);
+void transport_subsystem_check_init(void);
+void transport_cmd_finish_abort(struct se_cmd *, int);
+void __transport_remove_task_from_execute_queue(struct se_task *,
+ struct se_device *);
+unsigned char *transport_dump_cmd_direction(struct se_cmd *);
+void transport_dump_dev_state(struct se_device *, char *, int *);
+void transport_dump_dev_info(struct se_device *, struct se_lun *,
+ unsigned long long, char *, int *);
+void transport_dump_vpd_proto_id(struct t10_vpd *, unsigned char *, int);
+int transport_dump_vpd_assoc(struct t10_vpd *, unsigned char *, int);
+int transport_dump_vpd_ident_type(struct t10_vpd *, unsigned char *, int);
+int transport_dump_vpd_ident(struct t10_vpd *, unsigned char *, int);
+bool target_stop_task(struct se_task *task, unsigned long *flags);
+int transport_clear_lun_from_sessions(struct se_lun *);
+void transport_send_task_abort(struct se_cmd *);
+
+/* target_core_stat.c */
+void target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
+void target_stat_setup_port_default_groups(struct se_lun *);
+void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
+
+#endif /* TARGET_CORE_INTERNAL_H */
#include <asm/unaligned.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
-#include "target_core_hba.h"
+#include "target_core_internal.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
}
}
-int core_scsi3_check_cdb_abort_and_preempt(
- struct list_head *preempt_and_abort_list,
- struct se_cmd *cmd)
-{
- struct t10_pr_registration *pr_reg, *pr_reg_tmp;
-
- list_for_each_entry_safe(pr_reg, pr_reg_tmp, preempt_and_abort_list,
- pr_reg_abort_list) {
- if (pr_reg->pr_res_key == cmd->pr_res_key)
- return 0;
- }
-
- return 1;
-}
-
static int core_scsi3_pro_preempt(
struct se_cmd *cmd,
int type,
struct se_node_acl *);
extern void core_scsi3_free_all_registrations(struct se_device *);
extern unsigned char *core_scsi3_pr_dump_type(int);
-extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
- struct se_cmd *);
extern int target_scsi3_emulate_pr_in(struct se_task *task);
extern int target_scsi3_emulate_pr_out(struct se_task *task);
#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
+#include <target/target_core_backend.h>
#include "target_core_pscsi.h"
static int pscsi_pmode_enable_hba(struct se_hba *hba, unsigned long mode_flag)
{
- struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)hba->hba_ptr;
+ struct pscsi_hba_virt *phv = hba->hba_ptr;
struct Scsi_Host *sh = phv->phv_lld_host;
/*
* Release the struct Scsi_Host
* scsi_device_put() and the pdv->pdv_sd cleared.
*/
pdv->pdv_sd = sd;
-
dev = transport_add_device_to_core_hba(hba, &pscsi_template,
se_dev, dev_flags, pdv,
&dev_limits, NULL, NULL);
__releases(sh->host_lock)
{
struct se_device *dev;
- struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
struct Scsi_Host *sh = sd->host;
struct block_device *bd;
u32 dev_flags = 0;
__releases(sh->host_lock)
{
struct se_device *dev;
- struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
struct Scsi_Host *sh = sd->host;
u32 dev_flags = 0;
__releases(sh->host_lock)
{
struct se_device *dev;
- struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
struct Scsi_Host *sh = sd->host;
u32 dev_flags = 0;
struct se_subsystem_dev *se_dev,
void *p)
{
- struct pscsi_dev_virt *pdv = (struct pscsi_dev_virt *)p;
+ struct pscsi_dev_virt *pdv = p;
struct se_device *dev;
struct scsi_device *sd;
- struct pscsi_hba_virt *phv = (struct pscsi_hba_virt *)hba->hba_ptr;
+ struct pscsi_hba_virt *phv = hba->hba_ptr;
struct Scsi_Host *sh = phv->phv_lld_host;
int legacy_mode_enable = 0;
orig = opts;
- while ((ptr = strsep(&opts, ",")) != NULL) {
+ while ((ptr = strsep(&opts, ",\n")) != NULL) {
if (!*ptr)
continue;
{
struct pscsi_plugin_task *pt = PSCSI_TASK(task);
- return (unsigned char *)&pt->pscsi_sense[0];
+ return pt->pscsi_sense;
}
/* pscsi_get_device_rev():
#include <scsi/scsi_host.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
#include "target_core_rd.h"
orig = opts;
- while ((ptr = strsep(&opts, ",")) != NULL) {
+ while ((ptr = strsep(&opts, ",\n")) != NULL) {
if (!*ptr)
continue;
#include <scsi/scsi_host.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
-#include "target_core_hba.h"
+#include "target_core_internal.h"
#ifndef INITIAL_JIFFIES
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
/* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
memset(buf, 0, 64);
if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL)
- tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess,
- (unsigned char *)&buf[0], 64);
+ tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64);
ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
spin_unlock_irq(&nacl->nacl_sess_lock);
+++ /dev/null
-#ifndef TARGET_CORE_STAT_H
-#define TARGET_CORE_STAT_H
-
-extern void target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
-extern void target_stat_setup_port_default_groups(struct se_lun *);
-extern void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
-
-#endif /*** TARGET_CORE_STAT_H ***/
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
#include "target_core_pr.h"
transport_cmd_finish_abort(cmd, 0);
}
+static int target_check_cdb_and_preempt(struct list_head *list,
+ struct se_cmd *cmd)
+{
+ struct t10_pr_registration *reg;
+
+ if (!list)
+ return 0;
+ list_for_each_entry(reg, list, pr_reg_abort_list) {
+ if (reg->pr_res_key == cmd->pr_res_key)
+ return 0;
+ }
+
+ return 1;
+}
+
static void core_tmr_drain_tmr_list(
struct se_device *dev,
struct se_tmr_req *tmr,
* parameter (eg: for PROUT PREEMPT_AND_ABORT service action
* skip non regisration key matching TMRs.
*/
- if (preempt_and_abort_list &&
- (core_scsi3_check_cdb_abort_and_preempt(
- preempt_and_abort_list, cmd) != 0))
+ if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
continue;
spin_lock(&cmd->t_state_lock);
* For PREEMPT_AND_ABORT usage, only process commands
* with a matching reservation key.
*/
- if (preempt_and_abort_list &&
- (core_scsi3_check_cdb_abort_and_preempt(
- preempt_and_abort_list, cmd) != 0))
+ if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
continue;
/*
* Not aborting PROUT PREEMPT_AND_ABORT CDB..
continue;
list_move_tail(&task->t_state_list, &drain_task_list);
- atomic_set(&task->task_state_active, 0);
+ task->t_state_active = false;
/*
* Remove from task execute list before processing drain_task_list
*/
* For PREEMPT_AND_ABORT usage, only process commands
* with a matching reservation key.
*/
- if (preempt_and_abort_list &&
- (core_scsi3_check_cdb_abort_and_preempt(
- preempt_and_abort_list, cmd) != 0))
+ if (target_check_cdb_and_preempt(preempt_and_abort_list, cmd))
continue;
/*
* Not aborting PROUT PREEMPT_AND_ABORT CDB..
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
-#include "target_core_hba.h"
-#include "target_core_stat.h"
+#include "target_core_internal.h"
extern struct se_device *g_lun0_dev;
#include <scsi/scsi_tcq.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tmr.h>
-#include <target/target_core_tpg.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_backend.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_cdb.h"
-#include "target_core_hba.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
static int transport_generic_write_pending(struct se_cmd *);
static int transport_processing_thread(void *param);
-static int __transport_execute_tasks(struct se_device *dev);
+static int __transport_execute_tasks(struct se_device *dev, struct se_cmd *);
static void transport_complete_task_attr(struct se_cmd *cmd);
static void transport_handle_queue_full(struct se_cmd *cmd,
struct se_device *dev);
return new_index;
}
-void transport_init_queue_obj(struct se_queue_obj *qobj)
+static void transport_init_queue_obj(struct se_queue_obj *qobj)
{
atomic_set(&qobj->queue_cnt, 0);
INIT_LIST_HEAD(&qobj->qobj_list);
init_waitqueue_head(&qobj->thread_wq);
spin_lock_init(&qobj->cmd_queue_lock);
}
-EXPORT_SYMBOL(transport_init_queue_obj);
void transport_subsystem_check_init(void)
{
if (task->task_flags & TF_ACTIVE)
continue;
- if (!atomic_read(&task->task_state_active))
- continue;
-
spin_lock_irqsave(&dev->execute_task_lock, flags);
- list_del(&task->t_state_list);
- pr_debug("Removed ITT: 0x%08x dev: %p task[%p]\n",
- cmd->se_tfo->get_task_tag(cmd), dev, task);
- spin_unlock_irqrestore(&dev->execute_task_lock, flags);
+ if (task->t_state_active) {
+ pr_debug("Removed ITT: 0x%08x dev: %p task[%p]\n",
+ cmd->se_tfo->get_task_tag(cmd), dev, task);
- atomic_set(&task->task_state_active, 0);
- atomic_dec(&cmd->t_task_cdbs_ex_left);
+ list_del(&task->t_state_list);
+ atomic_dec(&cmd->t_task_cdbs_ex_left);
+ task->t_state_active = false;
+ }
+ spin_unlock_irqrestore(&dev->execute_task_lock, flags);
}
+
}
/* transport_cmd_check_stop():
struct se_cmd *cmd = task->task_se_cmd;
struct se_device *dev = cmd->se_dev;
unsigned long flags;
-#if 0
- pr_debug("task: %p CDB: 0x%02x obj_ptr: %p\n", task,
- cmd->t_task_cdb[0], dev);
-#endif
- if (dev)
- atomic_inc(&dev->depth_left);
spin_lock_irqsave(&cmd->t_state_lock, flags);
task->task_flags &= ~TF_ACTIVE;
if (dev && dev->transport->transport_complete) {
if (dev->transport->transport_complete(task) != 0) {
cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE;
- task->task_sense = 1;
+ task->task_flags |= TF_HAS_SENSE;
success = 1;
}
}
}
if (cmd->t_tasks_failed) {
- if (!task->task_error_status) {
- task->task_error_status =
- TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- cmd->scsi_sense_reason =
- TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- }
-
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
INIT_WORK(&cmd->work, target_complete_failure_work);
} else {
atomic_set(&cmd->t_transport_complete, 1);
head_of_queue = transport_add_task_check_sam_attr(task, task_prev, dev);
atomic_inc(&dev->execute_tasks);
- if (atomic_read(&task->task_state_active))
+ if (task->t_state_active)
return;
/*
* Determine if this task needs to go to HEAD_OF_QUEUE for the
else
list_add_tail(&task->t_state_list, &dev->state_task_list);
- atomic_set(&task->task_state_active, 1);
+ task->t_state_active = true;
pr_debug("Added ITT: 0x%08x task[%p] to dev: %p\n",
task->task_se_cmd->se_tfo->get_task_tag(task->task_se_cmd),
spin_lock_irqsave(&cmd->t_state_lock, flags);
list_for_each_entry(task, &cmd->t_task_list, t_list) {
- if (atomic_read(&task->task_state_active))
- continue;
-
spin_lock(&dev->execute_task_lock);
- list_add_tail(&task->t_state_list, &dev->state_task_list);
- atomic_set(&task->task_state_active, 1);
-
- pr_debug("Added ITT: 0x%08x task[%p] to dev: %p\n",
- task->task_se_cmd->se_tfo->get_task_tag(
- task->task_se_cmd), task, dev);
-
+ if (!task->t_state_active) {
+ list_add_tail(&task->t_state_list,
+ &dev->state_task_list);
+ task->t_state_active = true;
+
+ pr_debug("Added ITT: 0x%08x task[%p] to dev: %p\n",
+ task->task_se_cmd->se_tfo->get_task_tag(
+ task->task_se_cmd), task, dev);
+ }
spin_unlock(&dev->execute_task_lock);
}
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
}
-static void transport_add_tasks_from_cmd(struct se_cmd *cmd)
+static void __transport_add_tasks_from_cmd(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_task *task, *task_prev = NULL;
- unsigned long flags;
- spin_lock_irqsave(&dev->execute_task_lock, flags);
list_for_each_entry(task, &cmd->t_task_list, t_list) {
if (!list_empty(&task->t_execute_list))
continue;
__transport_add_task_to_execute_queue(task, task_prev, dev);
task_prev = task;
}
+}
+
+static void transport_add_tasks_from_cmd(struct se_cmd *cmd)
+{
+ unsigned long flags;
+ struct se_device *dev = cmd->se_dev;
+
+ spin_lock_irqsave(&dev->execute_task_lock, flags);
+ __transport_add_tasks_from_cmd(cmd);
spin_unlock_irqrestore(&dev->execute_task_lock, flags);
}
atomic_dec(&dev->execute_tasks);
}
-void transport_remove_task_from_execute_queue(
+static void transport_remove_task_from_execute_queue(
struct se_task *task,
struct se_device *dev)
{
break;
}
- *bl += sprintf(b + *bl, " Execute/Left/Max Queue Depth: %d/%d/%d",
- atomic_read(&dev->execute_tasks), atomic_read(&dev->depth_left),
- dev->queue_depth);
+ *bl += sprintf(b + *bl, " Execute/Max Queue Depth: %d/%d",
+ atomic_read(&dev->execute_tasks), dev->queue_depth);
*bl += sprintf(b + *bl, " SectorSize: %u MaxSectors: %u\n",
dev->se_sub_dev->se_dev_attrib.block_size, dev->se_sub_dev->se_dev_attrib.max_sectors);
*bl += sprintf(b + *bl, " ");
spin_lock_init(&dev->se_port_lock);
spin_lock_init(&dev->se_tmr_lock);
spin_lock_init(&dev->qf_cmd_lock);
-
- dev->queue_depth = dev_limits->queue_depth;
- atomic_set(&dev->depth_left, dev->queue_depth);
atomic_set(&dev->dev_ordered_id, 0);
se_dev_set_default_attribs(dev, dev_limits);
}
EXPORT_SYMBOL(transport_handle_cdb_direct);
+/**
+ * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd
+ *
+ * @se_cmd: command descriptor to submit
+ * @se_sess: associated se_sess for endpoint
+ * @cdb: pointer to SCSI CDB
+ * @sense: pointer to SCSI sense buffer
+ * @unpacked_lun: unpacked LUN to reference for struct se_lun
+ * @data_length: fabric expected data transfer length
+ * @task_addr: SAM task attribute
+ * @data_dir: DMA data direction
+ * @flags: flags for command submission from target_sc_flags_tables
+ *
+ * This may only be called from process context, and also currently
+ * assumes internal allocation of fabric payload buffer by target-core.
+ **/
+int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
+ unsigned char *cdb, unsigned char *sense, u32 unpacked_lun,
+ u32 data_length, int task_attr, int data_dir, int flags)
+{
+ struct se_portal_group *se_tpg;
+ int rc;
+
+ se_tpg = se_sess->se_tpg;
+ BUG_ON(!se_tpg);
+ BUG_ON(se_cmd->se_tfo || se_cmd->se_sess);
+ BUG_ON(in_interrupt());
+ /*
+ * Initialize se_cmd for target operation. From this point
+ * exceptions are handled by sending exception status via
+ * target_core_fabric_ops->queue_status() callback
+ */
+ transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess,
+ data_length, data_dir, task_attr, sense);
+ /*
+ * Obtain struct se_cmd->cmd_kref reference and add new cmd to
+ * se_sess->sess_cmd_list. A second kref_get here is necessary
+ * for fabrics using TARGET_SCF_ACK_KREF that expect a second
+ * kref_put() to happen during fabric packet acknowledgement.
+ */
+ target_get_sess_cmd(se_sess, se_cmd, (flags & TARGET_SCF_ACK_KREF));
+ /*
+ * Signal bidirectional data payloads to target-core
+ */
+ if (flags & TARGET_SCF_BIDI_OP)
+ se_cmd->se_cmd_flags |= SCF_BIDI;
+ /*
+ * Locate se_lun pointer and attach it to struct se_cmd
+ */
+ if (transport_lookup_cmd_lun(se_cmd, unpacked_lun) < 0)
+ goto out_check_cond;
+ /*
+ * Sanitize CDBs via transport_generic_cmd_sequencer() and
+ * allocate the necessary tasks to complete the received CDB+data
+ */
+ rc = transport_generic_allocate_tasks(se_cmd, cdb);
+ if (rc != 0)
+ goto out_check_cond;
+ /*
+ * Dispatch se_cmd descriptor to se_lun->lun_se_dev backend
+ * for immediate execution of READs, otherwise wait for
+ * transport_generic_handle_data() to be called for WRITEs
+ * when fabric has filled the incoming buffer.
+ */
+ transport_handle_cdb_direct(se_cmd);
+ return 0;
+
+out_check_cond:
+ transport_send_check_condition_and_sense(se_cmd,
+ se_cmd->scsi_sense_reason, 0);
+ return 0;
+}
+EXPORT_SYMBOL(target_submit_cmd);
+
/*
* Used by fabric module frontends defining a TFO->new_cmd_map() caller
* to queue up a newly setup se_cmd w/ TRANSPORT_NEW_CMD_MAP in order to
spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
}
-static inline int transport_tcq_window_closed(struct se_device *dev)
-{
- if (dev->dev_tcq_window_closed++ <
- PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD) {
- msleep(PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT);
- } else
- msleep(PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG);
-
- wake_up_interruptible(&dev->dev_queue_obj.thread_wq);
- return 0;
-}
-
/*
* Called from Fabric Module context from transport_execute_tasks()
*
static int transport_execute_tasks(struct se_cmd *cmd)
{
int add_tasks;
-
- if (se_dev_check_online(cmd->se_dev) != 0) {
- cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- transport_generic_request_failure(cmd);
- return 0;
- }
-
+ struct se_device *se_dev = cmd->se_dev;
/*
* Call transport_cmd_check_stop() to see if a fabric exception
* has occurred that prevents execution.
if (!add_tasks)
goto execute_tasks;
/*
- * This calls transport_add_tasks_from_cmd() to handle
- * HEAD_OF_QUEUE ordering for SAM Task Attribute emulation
- * (if enabled) in __transport_add_task_to_execute_queue() and
- * transport_add_task_check_sam_attr().
+ * __transport_execute_tasks() -> __transport_add_tasks_from_cmd()
+ * adds associated se_tasks while holding dev->execute_task_lock
+ * before I/O dispath to avoid a double spinlock access.
*/
- transport_add_tasks_from_cmd(cmd);
+ __transport_execute_tasks(se_dev, cmd);
+ return 0;
}
- /*
- * Kick the execution queue for the cmd associated struct se_device
- * storage object.
- */
+
execute_tasks:
- __transport_execute_tasks(cmd->se_dev);
+ __transport_execute_tasks(se_dev, NULL);
return 0;
}
*
* Called from transport_processing_thread()
*/
-static int __transport_execute_tasks(struct se_device *dev)
+static int __transport_execute_tasks(struct se_device *dev, struct se_cmd *new_cmd)
{
int error;
struct se_cmd *cmd = NULL;
struct se_task *task = NULL;
unsigned long flags;
- /*
- * Check if there is enough room in the device and HBA queue to send
- * struct se_tasks to the selected transport.
- */
check_depth:
- if (!atomic_read(&dev->depth_left))
- return transport_tcq_window_closed(dev);
-
- dev->dev_tcq_window_closed = 0;
-
spin_lock_irq(&dev->execute_task_lock);
+ if (new_cmd != NULL)
+ __transport_add_tasks_from_cmd(new_cmd);
+
if (list_empty(&dev->execute_task_list)) {
spin_unlock_irq(&dev->execute_task_lock);
return 0;
__transport_remove_task_from_execute_queue(task, dev);
spin_unlock_irq(&dev->execute_task_lock);
- atomic_dec(&dev->depth_left);
-
cmd = task->task_se_cmd;
-
spin_lock_irqsave(&cmd->t_state_lock, flags);
task->task_flags |= (TF_ACTIVE | TF_SENT);
atomic_inc(&cmd->t_task_cdbs_sent);
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
atomic_set(&cmd->t_transport_sent, 0);
transport_stop_tasks_for_cmd(cmd);
- atomic_inc(&dev->depth_left);
transport_generic_request_failure(cmd);
}
+ new_cmd = NULL;
goto check_depth;
return 0;
list_for_each_entry_safe(task, task_tmp,
&cmd->t_task_list, t_list) {
- if (!task->task_sense)
+ if (!(task->task_flags & TF_HAS_SENSE))
continue;
if (!dev->transport->get_sense_buffer) {
cmd->t_bidi_data_nents = 0;
}
+/**
+ * transport_release_cmd - free a command
+ * @cmd: command to free
+ *
+ * This routine unconditionally frees a command, and reference counting
+ * or list removal must be done in the caller.
+ */
+static void transport_release_cmd(struct se_cmd *cmd)
+{
+ BUG_ON(!cmd->se_tfo);
+
+ if (cmd->se_tmr_req)
+ core_tmr_release_req(cmd->se_tmr_req);
+ if (cmd->t_task_cdb != cmd->__t_task_cdb)
+ kfree(cmd->t_task_cdb);
+ /*
+ * If this cmd has been setup with target_get_sess_cmd(), drop
+ * the kref and call ->release_cmd() in kref callback.
+ */
+ if (cmd->check_release != 0) {
+ target_put_sess_cmd(cmd->se_sess, cmd);
+ return;
+ }
+ cmd->se_tfo->release_cmd(cmd);
+}
+
/**
* transport_put_cmd - release a reference to a command
* @cmd: command to release
return 0;
}
-/**
- * transport_release_cmd - free a command
- * @cmd: command to free
- *
- * This routine unconditionally frees a command, and reference counting
- * or list removal must be done in the caller.
- */
-void transport_release_cmd(struct se_cmd *cmd)
-{
- BUG_ON(!cmd->se_tfo);
-
- if (cmd->se_tmr_req)
- core_tmr_release_req(cmd->se_tmr_req);
- if (cmd->t_task_cdb != cmd->__t_task_cdb)
- kfree(cmd->t_task_cdb);
- /*
- * Check if target_wait_for_sess_cmds() is expecting to
- * release se_cmd directly here..
- */
- if (cmd->check_release != 0 && cmd->se_tfo->check_release_cmd)
- if (cmd->se_tfo->check_release_cmd(cmd) != 0)
- return;
-
- cmd->se_tfo->release_cmd(cmd);
-}
-EXPORT_SYMBOL(transport_release_cmd);
-
void transport_generic_free_cmd(struct se_cmd *cmd, int wait_for_tasks)
{
if (!(cmd->se_cmd_flags & SCF_SE_LUN_CMD)) {
/* target_get_sess_cmd - Add command to active ->sess_cmd_list
* @se_sess: session to reference
* @se_cmd: command descriptor to add
+ * @ack_kref: Signal that fabric will perform an ack target_put_sess_cmd()
*/
-void target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
+void target_get_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd,
+ bool ack_kref)
{
unsigned long flags;
+ kref_init(&se_cmd->cmd_kref);
+ /*
+ * Add a second kref if the fabric caller is expecting to handle
+ * fabric acknowledgement that requires two target_put_sess_cmd()
+ * invocations before se_cmd descriptor release.
+ */
+ if (ack_kref == true)
+ kref_get(&se_cmd->cmd_kref);
+
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
list_add_tail(&se_cmd->se_cmd_list, &se_sess->sess_cmd_list);
se_cmd->check_release = 1;
}
EXPORT_SYMBOL(target_get_sess_cmd);
-/* target_put_sess_cmd - Check for active I/O shutdown or list delete
- * @se_sess: session to reference
- * @se_cmd: command descriptor to drop
- */
-int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
+static void target_release_cmd_kref(struct kref *kref)
{
+ struct se_cmd *se_cmd = container_of(kref, struct se_cmd, cmd_kref);
+ struct se_session *se_sess = se_cmd->se_sess;
unsigned long flags;
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
if (list_empty(&se_cmd->se_cmd_list)) {
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
WARN_ON(1);
- return 0;
+ return;
}
-
if (se_sess->sess_tearing_down && se_cmd->cmd_wait_set) {
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
complete(&se_cmd->cmd_wait_comp);
- return 1;
+ return;
}
list_del(&se_cmd->se_cmd_list);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
- return 0;
+ se_cmd->se_tfo->release_cmd(se_cmd);
+}
+
+/* target_put_sess_cmd - Check for active I/O shutdown via kref_put
+ * @se_sess: session to reference
+ * @se_cmd: command descriptor to drop
+ */
+int target_put_sess_cmd(struct se_session *se_sess, struct se_cmd *se_cmd)
+{
+ return kref_put(&se_cmd->cmd_kref, target_release_cmd_kref);
}
EXPORT_SYMBOL(target_put_sess_cmd);
static int transport_clear_lun_thread(void *p)
{
- struct se_lun *lun = (struct se_lun *)p;
+ struct se_lun *lun = p;
__transport_clear_lun_from_sessions(lun);
complete(&lun->lun_shutdown_comp);
case TCM_NON_EXISTENT_LUN:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT NOT SUPPORTED */
case TCM_SECTOR_COUNT_TOO_MANY:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID COMMAND OPERATION CODE */
case TCM_UNKNOWN_MODE_PAGE:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID FIELD IN CDB */
case TCM_CHECK_CONDITION_ABORT_CMD:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* BUS DEVICE RESET FUNCTION OCCURRED */
case TCM_INCORRECT_AMOUNT_OF_DATA:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* WRITE ERROR */
case TCM_INVALID_CDB_FIELD:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* INVALID FIELD IN CDB */
case TCM_INVALID_PARAMETER_LIST:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* INVALID FIELD IN PARAMETER LIST */
case TCM_UNEXPECTED_UNSOLICITED_DATA:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* WRITE ERROR */
case TCM_SERVICE_CRC_ERROR:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* PROTOCOL SERVICE CRC ERROR */
case TCM_SNACK_REJECTED:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* READ ERROR */
case TCM_WRITE_PROTECTED:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* DATA PROTECT */
buffer[offset+SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
/* WRITE PROTECTED */
case TCM_CHECK_CONDITION_UNIT_ATTENTION:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* UNIT ATTENTION */
buffer[offset+SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
case TCM_CHECK_CONDITION_NOT_READY:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* Not Ready */
buffer[offset+SPC_SENSE_KEY_OFFSET] = NOT_READY;
transport_get_sense_codes(cmd, &asc, &ascq);
default:
/* CURRENT ERROR */
buffer[offset] = 0x70;
+ buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT COMMUNICATION FAILURE */
cmd->se_tfo->queue_status(cmd);
}
-/* transport_generic_do_tmr():
- *
- *
- */
-int transport_generic_do_tmr(struct se_cmd *cmd)
+static int transport_generic_do_tmr(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_tmr_req *tmr = cmd->se_tmr_req;
{
int ret;
struct se_cmd *cmd;
- struct se_device *dev = (struct se_device *) param;
+ struct se_device *dev = param;
while (!kthread_should_stop()) {
ret = wait_event_interruptible(dev->dev_queue_obj.thread_wq,
goto out;
get_cmd:
- __transport_execute_tasks(dev);
-
cmd = transport_get_cmd_from_queue(&dev->dev_queue_obj);
if (!cmd)
continue;
#include <scsi/scsi_cmnd.h>
#include <target/target_core_base.h>
-#include <target/target_core_device.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
+#include "target_core_internal.h"
#include "target_core_alua.h"
-#include "target_core_hba.h"
#include "target_core_pr.h"
#include "target_core_ua.h"
#include <scsi/fc_encode.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
-#include <target/target_core_tmr.h>
#include <target/configfs_macros.h>
#include "tcm_fc.h"
struct ft_sess *sess;
u8 tm_func;
+ transport_init_se_cmd(&cmd->se_cmd, &ft_configfs->tf_ops,
+ cmd->sess->se_sess, 0, DMA_NONE, 0,
+ &cmd->ft_sense_buffer[0]);
+ target_get_sess_cmd(cmd->sess->se_sess, &cmd->se_cmd, false);
+
fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
switch (fcp->fc_tm_flags) {
sess = cmd->sess;
transport_send_check_condition_and_sense(&cmd->se_cmd,
cmd->se_cmd.scsi_sense_reason, 0);
- transport_generic_free_cmd(&cmd->se_cmd, 0);
ft_sess_put(sess);
return;
}
{
struct ft_cmd *cmd = container_of(work, struct ft_cmd, work);
struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame);
- struct se_cmd *se_cmd;
struct fcp_cmnd *fcp;
int data_dir = 0;
u32 data_len;
data_len = ntohl(fcp->fc_dl);
cmd->cdb = fcp->fc_cdb;
}
-
- se_cmd = &cmd->se_cmd;
- /*
- * Initialize struct se_cmd descriptor from target_core_mod
- * infrastructure
- */
- transport_init_se_cmd(se_cmd, &ft_configfs->tf_ops, cmd->sess->se_sess,
- data_len, data_dir, task_attr,
- &cmd->ft_sense_buffer[0]);
/*
* Check for FCP task management flags
*/
ft_send_tm(cmd);
return;
}
-
fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
-
cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
- ret = transport_lookup_cmd_lun(&cmd->se_cmd, cmd->lun);
+ /*
+ * Use a single se_cmd->cmd_kref as we expect to release se_cmd
+ * directly from ft_check_stop_free callback in response path.
+ */
+ ret = target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
+ &cmd->ft_sense_buffer[0], cmd->lun, data_len,
+ task_attr, data_dir, 0);
+ pr_debug("r_ctl %x alloc target_submit_cmd %d\n", fh->fh_r_ctl, ret);
if (ret < 0) {
ft_dump_cmd(cmd, __func__);
- transport_send_check_condition_and_sense(&cmd->se_cmd,
- cmd->se_cmd.scsi_sense_reason, 0);
- return;
- }
-
- ret = transport_generic_allocate_tasks(se_cmd, cmd->cdb);
-
- pr_debug("r_ctl %x alloc task ret %d\n", fh->fh_r_ctl, ret);
- ft_dump_cmd(cmd, __func__);
-
- if (ret == -ENOMEM) {
- transport_send_check_condition_and_sense(se_cmd,
- TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
- transport_generic_free_cmd(se_cmd, 0);
- return;
- }
- if (ret == -EINVAL) {
- if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
- ft_queue_status(se_cmd);
- else
- transport_send_check_condition_and_sense(se_cmd,
- se_cmd->scsi_sense_reason, 0);
- transport_generic_free_cmd(se_cmd, 0);
return;
}
- transport_handle_cdb_direct(se_cmd);
return;
err:
#include <scsi/libfc.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_fabric_configfs.h>
-#include <target/target_core_fabric_lib.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <scsi/fc_encode.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
#include <scsi/libfc.h>
#include <target/target_core_base.h>
-#include <target/target_core_transport.h>
-#include <target/target_core_fabric_ops.h>
-#include <target/target_core_device.h>
-#include <target/target_core_tpg.h>
+#include <target/target_core_fabric.h>
#include <target/target_core_configfs.h>
#include <target/configfs_macros.h>
--- /dev/null
+#ifndef TARGET_CORE_BACKEND_H
+#define TARGET_CORE_BACKEND_H
+
+#define TRANSPORT_PLUGIN_PHBA_PDEV 1
+#define TRANSPORT_PLUGIN_VHBA_PDEV 2
+#define TRANSPORT_PLUGIN_VHBA_VDEV 3
+
+struct se_subsystem_api {
+ struct list_head sub_api_list;
+
+ char name[16];
+ struct module *owner;
+
+ u8 transport_type;
+
+ unsigned int fua_write_emulated : 1;
+ unsigned int write_cache_emulated : 1;
+
+ int (*attach_hba)(struct se_hba *, u32);
+ void (*detach_hba)(struct se_hba *);
+ int (*pmode_enable_hba)(struct se_hba *, unsigned long);
+ void *(*allocate_virtdevice)(struct se_hba *, const char *);
+ struct se_device *(*create_virtdevice)(struct se_hba *,
+ struct se_subsystem_dev *, void *);
+ void (*free_device)(void *);
+ int (*transport_complete)(struct se_task *task);
+ struct se_task *(*alloc_task)(unsigned char *cdb);
+ int (*do_task)(struct se_task *);
+ int (*do_discard)(struct se_device *, sector_t, u32);
+ void (*do_sync_cache)(struct se_task *);
+ void (*free_task)(struct se_task *);
+ ssize_t (*check_configfs_dev_params)(struct se_hba *,
+ struct se_subsystem_dev *);
+ ssize_t (*set_configfs_dev_params)(struct se_hba *,
+ struct se_subsystem_dev *, const char *, ssize_t);
+ ssize_t (*show_configfs_dev_params)(struct se_hba *,
+ struct se_subsystem_dev *, char *);
+ u32 (*get_device_rev)(struct se_device *);
+ u32 (*get_device_type)(struct se_device *);
+ sector_t (*get_blocks)(struct se_device *);
+ unsigned char *(*get_sense_buffer)(struct se_task *);
+};
+
+int transport_subsystem_register(struct se_subsystem_api *);
+void transport_subsystem_release(struct se_subsystem_api *);
+
+struct se_device *transport_add_device_to_core_hba(struct se_hba *,
+ struct se_subsystem_api *, struct se_subsystem_dev *, u32,
+ void *, struct se_dev_limits *, const char *, const char *);
+
+void transport_complete_sync_cache(struct se_cmd *, int);
+void transport_complete_task(struct se_task *, int);
+
+void target_get_task_cdb(struct se_task *, unsigned char *);
+
+void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
+int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
+int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
+int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
+
+/* core helpers also used by command snooping in pscsi */
+void *transport_kmap_first_data_page(struct se_cmd *);
+void transport_kunmap_first_data_page(struct se_cmd *);
+
+#endif /* TARGET_CORE_BACKEND_H */
#include <net/tcp.h>
#define TARGET_CORE_MOD_VERSION "v4.1.0-rc1-ml"
+#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
/* Maximum Number of LUNs per Target Portal Group */
/* Don't raise above 511 or REPORT_LUNS needs to handle >1 page */
#define TRANSPORT_SENSE_BUFFER SCSI_SENSE_BUFFERSIZE
/* Used by transport_send_check_condition_and_sense() */
#define SPC_SENSE_KEY_OFFSET 2
+#define SPC_ADD_SENSE_LEN_OFFSET 7
#define SPC_ASC_KEY_OFFSET 12
#define SPC_ASCQ_KEY_OFFSET 13
#define TRANSPORT_IQN_LEN 224
/* Used by transport_get_inquiry_vpd_device_ident() */
#define INQUIRY_VPD_DEVICE_IDENTIFIER_LEN 254
+/* Attempts before moving from SHORT to LONG */
+#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3
+#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */
+#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */
+
+#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */
+
+/*
+ * struct se_subsystem_dev->su_dev_flags
+*/
+#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001
+#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002
+#define SDF_USING_UDEV_PATH 0x00000004
+#define SDF_USING_ALIAS 0x00000008
+
+/*
+ * struct se_device->dev_flags
+ */
+#define DF_READ_ONLY 0x00000001
+#define DF_SPC2_RESERVATIONS 0x00000002
+#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004
+
+/* struct se_dev_attrib sanity values */
+/* Default max_unmap_lba_count */
+#define DA_MAX_UNMAP_LBA_COUNT 0
+/* Default max_unmap_block_desc_count */
+#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0
+/* Default unmap_granularity */
+#define DA_UNMAP_GRANULARITY_DEFAULT 0
+/* Default unmap_granularity_alignment */
+#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 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 */
+#define DA_EMULATE_UA_INTLLCK_CTRL 0
+/* Emulation for TASK_ABORTED status (TAS) by default */
+#define DA_EMULATE_TAS 1
+/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */
+#define DA_EMULATE_TPU 0
+/*
+ * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using
+ * block/blk-lib.c:blkdev_issue_discard()
+ */
+#define DA_EMULATE_TPWS 0
+/* No Emulation for PSCSI by default */
+#define DA_EMULATE_RESERVATIONS 0
+/* No Emulation for PSCSI by default */
+#define DA_EMULATE_ALUA 0
+/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */
+#define DA_ENFORCE_PR_ISIDS 1
+#define DA_STATUS_MAX_SECTORS_MIN 16
+#define DA_STATUS_MAX_SECTORS_MAX 8192
+/* By default don't report non-rotating (solid state) medium */
+#define DA_IS_NONROT 0
+/* Queue Algorithm Modifier default for restricted reordering in control mode page */
+#define DA_EMULATE_REST_REORD 0
+
+#define SE_MODE_PAGE_BUF 512
+
+
/* struct se_hba->hba_flags */
enum hba_flags_table {
HBA_FLAGS_INTERNAL_USE = 0x01,
TRANSPORT_TPG_TYPE_DISCOVERY = 1,
};
-/* Used for generate timer flags */
+/* struct se_task->task_flags */
enum se_task_flags {
TF_ACTIVE = (1 << 0),
TF_SENT = (1 << 1),
TF_REQUEST_STOP = (1 << 2),
+ TF_HAS_SENSE = (1 << 3),
};
/* Special transport agnostic struct se_cmd->t_states */
TCM_RESERVATION_CONFLICT = 0x10,
};
+enum target_sc_flags_table {
+ TARGET_SCF_BIDI_OP = 0x01,
+ TARGET_SCF_ACK_KREF = 0x02,
+};
+
+/* fabric independent task management function values */
+enum tcm_tmreq_table {
+ TMR_ABORT_TASK = 1,
+ TMR_ABORT_TASK_SET = 2,
+ TMR_CLEAR_ACA = 3,
+ TMR_CLEAR_TASK_SET = 4,
+ TMR_LUN_RESET = 5,
+ TMR_TARGET_WARM_RESET = 6,
+ TMR_TARGET_COLD_RESET = 7,
+ TMR_FABRIC_TMR = 255,
+};
+
+/* fabric independent task management response values */
+enum tcm_tmrsp_table {
+ TMR_FUNCTION_COMPLETE = 0,
+ TMR_TASK_DOES_NOT_EXIST = 1,
+ TMR_LUN_DOES_NOT_EXIST = 2,
+ TMR_TASK_STILL_ALLEGIANT = 3,
+ TMR_TASK_FAILOVER_NOT_SUPPORTED = 4,
+ TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5,
+ TMR_FUNCTION_AUTHORIZATION_FAILED = 6,
+ TMR_FUNCTION_REJECTED = 255,
+};
+
struct se_obj {
atomic_t obj_access_count;
-} ____cacheline_aligned;
+};
/*
* Used by TCM Core internally to signal if ALUA emulation is enabled or
struct config_group alua_tg_pt_gps_group;
int (*alua_state_check)(struct se_cmd *, unsigned char *, u8 *);
struct list_head tg_pt_gps_list;
-} ____cacheline_aligned;
+};
struct t10_alua_lu_gp {
u16 lu_gp_id;
struct config_group lu_gp_group;
struct list_head lu_gp_node;
struct list_head lu_gp_mem_list;
-} ____cacheline_aligned;
+};
struct t10_alua_lu_gp_member {
bool lu_gp_assoc;
struct t10_alua_lu_gp *lu_gp;
struct se_device *lu_gp_mem_dev;
struct list_head lu_gp_mem_list;
-} ____cacheline_aligned;
+};
struct t10_alua_tg_pt_gp {
u16 tg_pt_gp_id;
struct config_group tg_pt_gp_group;
struct list_head tg_pt_gp_list;
struct list_head tg_pt_gp_mem_list;
-} ____cacheline_aligned;
+};
struct t10_alua_tg_pt_gp_member {
bool tg_pt_gp_assoc;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct se_port *tg_pt;
struct list_head tg_pt_gp_mem_list;
-} ____cacheline_aligned;
+};
struct t10_vpd {
unsigned char device_identifier[INQUIRY_VPD_DEVICE_IDENTIFIER_LEN];
u32 association;
u32 device_identifier_type;
struct list_head vpd_list;
-} ____cacheline_aligned;
+};
struct t10_wwn {
char vendor[8];
struct se_subsystem_dev *t10_sub_dev;
struct config_group t10_wwn_group;
struct list_head t10_vpd_list;
-} ____cacheline_aligned;
+};
/*
struct list_head pr_reg_aptpl_list;
struct list_head pr_reg_atp_list;
struct list_head pr_reg_atp_mem_list;
-} ____cacheline_aligned;
+};
/*
* This set of function pointer ops is set based upon SPC3_PERSISTENT_RESERVATIONS,
struct list_head registration_list;
struct list_head aptpl_reg_list;
struct t10_reservation_ops pr_ops;
-} ____cacheline_aligned;
+};
struct se_queue_req {
int state;
struct se_cmd *cmd;
struct list_head qr_list;
-} ____cacheline_aligned;
+};
struct se_queue_obj {
atomic_t queue_cnt;
spinlock_t cmd_queue_lock;
struct list_head qobj_list;
wait_queue_head_t thread_wq;
-} ____cacheline_aligned;
+};
struct se_task {
unsigned long long task_lba;
struct scatterlist *task_sg;
u32 task_sg_nents;
u16 task_flags;
- u8 task_sense;
u8 task_scsi_status;
- int task_error_status;
enum dma_data_direction task_data_direction;
- atomic_t task_state_active;
struct list_head t_list;
struct list_head t_execute_list;
struct list_head t_state_list;
+ bool t_state_active;
struct completion task_stop_comp;
-} ____cacheline_aligned;
+};
struct se_cmd {
/* SAM response code being sent to initiator */
struct list_head se_queue_node;
struct list_head se_cmd_list;
struct completion cmd_wait_comp;
+ struct kref cmd_kref;
struct target_core_fabric_ops *se_tfo;
int (*execute_task)(struct se_task *);
void (*transport_complete_callback)(struct se_cmd *);
struct list_head t_task_list;
u32 t_task_list_num;
-} ____cacheline_aligned;
+};
struct se_tmr_req {
/* Task Management function to be preformed */
struct se_device *tmr_dev;
struct se_lun *tmr_lun;
struct list_head tmr_list;
-} ____cacheline_aligned;
+};
struct se_ua {
u8 ua_asc;
struct se_node_acl *ua_nacl;
struct list_head ua_dev_list;
struct list_head ua_nacl_list;
-} ____cacheline_aligned;
+};
struct se_node_acl {
char initiatorname[TRANSPORT_IQN_LEN];
struct config_group *acl_default_groups[5];
struct list_head acl_list;
struct list_head acl_sess_list;
-} ____cacheline_aligned;
+};
struct se_session {
unsigned sess_tearing_down:1;
struct list_head sess_cmd_list;
struct list_head sess_wait_list;
spinlock_t sess_cmd_lock;
-} ____cacheline_aligned;
+};
struct se_device;
struct se_transform_info;
struct list_head lacl_list;
struct config_group se_lun_group;
struct se_ml_stat_grps ml_stat_grps;
-} ____cacheline_aligned;
+};
struct se_dev_entry {
bool def_pr_registered;
struct se_lun *se_lun;
struct list_head alua_port_list;
struct list_head ua_list;
-} ____cacheline_aligned;
+};
struct se_dev_limits {
/* Max supported HW queue depth */
u32 queue_depth;
/* From include/linux/blkdev.h for the other HW/SW limits. */
struct queue_limits limits;
-} ____cacheline_aligned;
+};
struct se_dev_attrib {
int emulate_dpo;
u32 unmap_granularity_alignment;
struct se_subsystem_dev *da_sub_dev;
struct config_group da_group;
-} ____cacheline_aligned;
+};
struct se_dev_stat_grps {
struct config_group stat_group;
struct config_group se_dev_pr_group;
/* For target_core_stat.c groups */
struct se_dev_stat_grps dev_stat_grps;
-} ____cacheline_aligned;
+};
struct se_device {
/* RELATIVE TARGET PORT IDENTIFER Counter */
u32 dev_port_count;
/* See transport_device_status_table */
u32 dev_status;
- u32 dev_tcq_window_closed;
/* Physical device queue depth */
u32 queue_depth;
/* Used for SPC-2 reservations enforce of ISIDs */
spinlock_t stats_lock;
/* Active commands on this virtual SE device */
atomic_t simple_cmds;
- atomic_t depth_left;
atomic_t dev_ordered_id;
atomic_t execute_tasks;
atomic_t dev_ordered_sync;
struct se_subsystem_api *transport;
/* Linked list for struct se_hba struct se_device list */
struct list_head dev_list;
-} ____cacheline_aligned;
+};
struct se_hba {
u16 hba_tpgt;
struct config_group hba_group;
struct mutex hba_access_mutex;
struct se_subsystem_api *transport;
-} ____cacheline_aligned;
+};
struct se_port_stat_grps {
struct config_group stat_group;
struct se_port *lun_sep;
struct config_group lun_group;
struct se_port_stat_grps port_stat_grps;
-} ____cacheline_aligned;
+};
struct scsi_port_stats {
u64 cmd_pdus;
u64 tx_data_octets;
u64 rx_data_octets;
-} ____cacheline_aligned;
+};
struct se_port {
/* RELATIVE TARGET PORT IDENTIFER */
struct se_portal_group *sep_tpg;
struct list_head sep_alua_list;
struct list_head sep_list;
-} ____cacheline_aligned;
+};
struct se_tpg_np {
struct se_portal_group *tpg_np_parent;
struct config_group tpg_np_group;
-} ____cacheline_aligned;
+};
struct se_portal_group {
/* Type of target portal group, see transport_tpg_type_table */
struct config_group tpg_acl_group;
struct config_group tpg_attrib_group;
struct config_group tpg_param_group;
-} ____cacheline_aligned;
+};
struct se_wwn {
struct target_fabric_configfs *wwn_tf;
struct config_group wwn_group;
struct config_group *wwn_default_groups[2];
struct config_group fabric_stat_group;
-} ____cacheline_aligned;
+};
#endif /* TARGET_CORE_BASE_H */
+++ /dev/null
-#ifndef TARGET_CORE_DEVICE_H
-#define TARGET_CORE_DEVICE_H
-
-extern int transport_lookup_cmd_lun(struct se_cmd *, u32);
-extern int transport_lookup_tmr_lun(struct se_cmd *, u32);
-extern struct se_dev_entry *core_get_se_deve_from_rtpi(
- struct se_node_acl *, u16);
-extern int core_free_device_list_for_node(struct se_node_acl *,
- struct se_portal_group *);
-extern void core_dec_lacl_count(struct se_node_acl *, struct se_cmd *);
-extern void core_update_device_list_access(u32, u32, struct se_node_acl *);
-extern int core_update_device_list_for_node(struct se_lun *, struct se_lun_acl *, u32,
- u32, struct se_node_acl *,
- struct se_portal_group *, int);
-extern void core_clear_lun_from_tpg(struct se_lun *, struct se_portal_group *);
-extern int core_dev_export(struct se_device *, struct se_portal_group *,
- struct se_lun *);
-extern void core_dev_unexport(struct se_device *, struct se_portal_group *,
- struct se_lun *);
-extern int target_report_luns(struct se_task *);
-extern void se_release_device_for_hba(struct se_device *);
-extern void se_release_vpd_for_dev(struct se_device *);
-extern void se_clear_dev_ports(struct se_device *);
-extern int se_free_virtual_device(struct se_device *, struct se_hba *);
-extern int se_dev_check_online(struct se_device *);
-extern int se_dev_check_shutdown(struct se_device *);
-extern void se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *);
-extern int se_dev_set_task_timeout(struct se_device *, u32);
-extern int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
-extern int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
-extern int se_dev_set_unmap_granularity(struct se_device *, u32);
-extern int se_dev_set_unmap_granularity_alignment(struct se_device *, u32);
-extern int se_dev_set_emulate_dpo(struct se_device *, int);
-extern int se_dev_set_emulate_fua_write(struct se_device *, int);
-extern int se_dev_set_emulate_fua_read(struct se_device *, int);
-extern int se_dev_set_emulate_write_cache(struct se_device *, int);
-extern int se_dev_set_emulate_ua_intlck_ctrl(struct se_device *, int);
-extern int se_dev_set_emulate_tas(struct se_device *, int);
-extern int se_dev_set_emulate_tpu(struct se_device *, int);
-extern int se_dev_set_emulate_tpws(struct se_device *, int);
-extern int se_dev_set_enforce_pr_isids(struct se_device *, int);
-extern int se_dev_set_is_nonrot(struct se_device *, int);
-extern int se_dev_set_emulate_rest_reord(struct se_device *dev, int);
-extern int se_dev_set_queue_depth(struct se_device *, u32);
-extern int se_dev_set_max_sectors(struct se_device *, u32);
-extern int se_dev_set_optimal_sectors(struct se_device *, u32);
-extern int se_dev_set_block_size(struct se_device *, u32);
-extern struct se_lun *core_dev_add_lun(struct se_portal_group *, struct se_hba *,
- struct se_device *, u32);
-extern int core_dev_del_lun(struct se_portal_group *, u32);
-extern struct se_lun *core_get_lun_from_tpg(struct se_portal_group *, u32);
-extern struct se_lun_acl *core_dev_init_initiator_node_lun_acl(struct se_portal_group *,
- u32, char *, int *);
-extern int core_dev_add_initiator_node_lun_acl(struct se_portal_group *,
- struct se_lun_acl *, u32, u32);
-extern int core_dev_del_initiator_node_lun_acl(struct se_portal_group *,
- struct se_lun *, struct se_lun_acl *);
-extern void core_dev_free_initiator_node_lun_acl(struct se_portal_group *,
- struct se_lun_acl *lacl);
-extern int core_dev_setup_virtual_lun0(void);
-extern void core_dev_release_virtual_lun0(void);
-
-#endif /* TARGET_CORE_DEVICE_H */
-/* Defined in target_core_configfs.h */
-struct target_fabric_configfs;
+#ifndef TARGET_CORE_FABRIC_H
+#define TARGET_CORE_FABRIC_H
struct target_core_fabric_ops {
struct configfs_subsystem *tf_subsys;
* Returning 0 will signal a descriptor has not been released.
*/
int (*check_stop_free)(struct se_cmd *);
- /*
- * Optional check for active I/O shutdown
- */
- int (*check_release_cmd)(struct se_cmd *);
void (*release_cmd)(struct se_cmd *);
/*
* Called with spin_lock_bh(struct se_portal_group->session_lock held.
struct config_group *, const char *);
void (*fabric_drop_nodeacl)(struct se_node_acl *);
};
+
+struct se_session *transport_init_session(void);
+void __transport_register_session(struct se_portal_group *,
+ struct se_node_acl *, struct se_session *, void *);
+void transport_register_session(struct se_portal_group *,
+ struct se_node_acl *, struct se_session *, void *);
+void transport_free_session(struct se_session *);
+void transport_deregister_session_configfs(struct se_session *);
+void transport_deregister_session(struct se_session *);
+
+
+void transport_init_se_cmd(struct se_cmd *, struct target_core_fabric_ops *,
+ struct se_session *, u32, int, int, unsigned char *);
+int transport_lookup_cmd_lun(struct se_cmd *, u32);
+int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
+int target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
+ unsigned char *, u32, u32, int, int, int);
+int transport_handle_cdb_direct(struct se_cmd *);
+int transport_generic_handle_cdb_map(struct se_cmd *);
+int transport_generic_handle_data(struct se_cmd *);
+int transport_generic_map_mem_to_cmd(struct se_cmd *cmd,
+ struct scatterlist *, u32, struct scatterlist *, u32);
+void transport_do_task_sg_chain(struct se_cmd *);
+int transport_generic_new_cmd(struct se_cmd *);
+
+void transport_generic_process_write(struct se_cmd *);
+
+void transport_generic_free_cmd(struct se_cmd *, int);
+
+bool transport_wait_for_tasks(struct se_cmd *);
+int transport_check_aborted_status(struct se_cmd *, int);
+int transport_send_check_condition_and_sense(struct se_cmd *, u8, int);
+
+void target_get_sess_cmd(struct se_session *, struct se_cmd *, bool);
+int target_put_sess_cmd(struct se_session *, struct se_cmd *);
+void target_splice_sess_cmd_list(struct se_session *);
+void target_wait_for_sess_cmds(struct se_session *, int);
+
+int core_alua_check_nonop_delay(struct se_cmd *);
+
+struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
+void core_tmr_release_req(struct se_tmr_req *);
+int transport_generic_handle_tmr(struct se_cmd *);
+int transport_lookup_tmr_lun(struct se_cmd *, u32);
+
+struct se_node_acl *core_tpg_check_initiator_node_acl(struct se_portal_group *,
+ unsigned char *);
+void core_tpg_clear_object_luns(struct se_portal_group *);
+struct se_node_acl *core_tpg_add_initiator_node_acl(struct se_portal_group *,
+ struct se_node_acl *, const char *, u32);
+int core_tpg_del_initiator_node_acl(struct se_portal_group *,
+ struct se_node_acl *, int);
+int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
+ unsigned char *, u32, int);
+int core_tpg_register(struct target_core_fabric_ops *, struct se_wwn *,
+ struct se_portal_group *, void *, int);
+int core_tpg_deregister(struct se_portal_group *);
+
+/* SAS helpers */
+u8 sas_get_fabric_proto_ident(struct se_portal_group *);
+u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *, unsigned char *);
+u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *);
+char *sas_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+ u32 *, char **);
+
+/* FC helpers */
+u8 fc_get_fabric_proto_ident(struct se_portal_group *);
+u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *, unsigned char *);
+u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *);
+char *fc_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+ u32 *, char **);
+
+/* iSCSI helpers */
+u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
+u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *, unsigned char *);
+u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
+ struct t10_pr_registration *, int *);
+char *iscsi_parse_pr_out_transport_id(struct se_portal_group *, const char *,
+ u32 *, char **);
+
+#endif /* TARGET_CORE_FABRICH */
+++ /dev/null
-#ifndef TARGET_CORE_FABRIC_LIB_H
-#define TARGET_CORE_FABRIC_LIB_H
-
-extern u8 sas_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 sas_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-extern u32 sas_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-extern char *sas_parse_pr_out_transport_id(struct se_portal_group *,
- const char *, u32 *, char **);
-
-extern u8 fc_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 fc_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-extern u32 fc_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-extern char *fc_parse_pr_out_transport_id(struct se_portal_group *,
- const char *, u32 *, char **);
-
-extern u8 iscsi_get_fabric_proto_ident(struct se_portal_group *);
-extern u32 iscsi_get_pr_transport_id(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *, unsigned char *);
-extern u32 iscsi_get_pr_transport_id_len(struct se_portal_group *, struct se_node_acl *,
- struct t10_pr_registration *, int *);
-extern char *iscsi_parse_pr_out_transport_id(struct se_portal_group *,
- const char *, u32 *, char **);
-
-#endif /* TARGET_CORE_FABRIC_LIB_H */
+++ /dev/null
-#ifndef TARGET_CORE_TMR_H
-#define TARGET_CORE_TMR_H
-
-/* fabric independent task management function values */
-enum tcm_tmreq_table {
- TMR_ABORT_TASK = 1,
- TMR_ABORT_TASK_SET = 2,
- TMR_CLEAR_ACA = 3,
- TMR_CLEAR_TASK_SET = 4,
- TMR_LUN_RESET = 5,
- TMR_TARGET_WARM_RESET = 6,
- TMR_TARGET_COLD_RESET = 7,
- TMR_FABRIC_TMR = 255,
-};
-
-/* fabric independent task management response values */
-enum tcm_tmrsp_table {
- TMR_FUNCTION_COMPLETE = 0,
- TMR_TASK_DOES_NOT_EXIST = 1,
- TMR_LUN_DOES_NOT_EXIST = 2,
- TMR_TASK_STILL_ALLEGIANT = 3,
- TMR_TASK_FAILOVER_NOT_SUPPORTED = 4,
- TMR_TASK_MGMT_FUNCTION_NOT_SUPPORTED = 5,
- TMR_FUNCTION_AUTHORIZATION_FAILED = 6,
- TMR_FUNCTION_REJECTED = 255,
-};
-
-extern struct kmem_cache *se_tmr_req_cache;
-
-extern struct se_tmr_req *core_tmr_alloc_req(struct se_cmd *, void *, u8, gfp_t);
-extern void core_tmr_release_req(struct se_tmr_req *);
-extern int core_tmr_lun_reset(struct se_device *, struct se_tmr_req *,
- struct list_head *, struct se_cmd *);
-
-#endif /* TARGET_CORE_TMR_H */
+++ /dev/null
-#ifndef TARGET_CORE_TPG_H
-#define TARGET_CORE_TPG_H
-
-extern struct se_node_acl *__core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
- const char *);
-extern struct se_node_acl *core_tpg_get_initiator_node_acl(struct se_portal_group *tpg,
- unsigned char *);
-extern void core_tpg_add_node_to_devs(struct se_node_acl *,
- struct se_portal_group *);
-extern struct se_node_acl *core_tpg_check_initiator_node_acl(
- struct se_portal_group *,
- unsigned char *);
-extern void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *);
-extern void core_tpg_wait_for_mib_ref(struct se_node_acl *);
-extern void core_tpg_clear_object_luns(struct se_portal_group *);
-extern struct se_node_acl *core_tpg_add_initiator_node_acl(
- struct se_portal_group *,
- struct se_node_acl *,
- const char *, u32);
-extern int core_tpg_del_initiator_node_acl(struct se_portal_group *,
- struct se_node_acl *, int);
-extern int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
- unsigned char *, u32, int);
-extern int core_tpg_register(struct target_core_fabric_ops *,
- struct se_wwn *,
- struct se_portal_group *, void *,
- int);
-extern int core_tpg_deregister(struct se_portal_group *);
-extern struct se_lun *core_tpg_pre_addlun(struct se_portal_group *, u32);
-extern int core_tpg_post_addlun(struct se_portal_group *, struct se_lun *, u32,
- void *);
-extern struct se_lun *core_tpg_pre_dellun(struct se_portal_group *, u32, int *);
-extern int core_tpg_post_dellun(struct se_portal_group *, struct se_lun *);
-
-#endif /* TARGET_CORE_TPG_H */
+++ /dev/null
-#ifndef TARGET_CORE_TRANSPORT_H
-#define TARGET_CORE_TRANSPORT_H
-
-#define TARGET_CORE_VERSION TARGET_CORE_MOD_VERSION
-
-/* Attempts before moving from SHORT to LONG */
-#define PYX_TRANSPORT_WINDOW_CLOSED_THRESHOLD 3
-#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_SHORT 3 /* In milliseconds */
-#define PYX_TRANSPORT_WINDOW_CLOSED_WAIT_LONG 10 /* In milliseconds */
-
-#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */
-
-#define TRANSPORT_PLUGIN_PHBA_PDEV 1
-#define TRANSPORT_PLUGIN_VHBA_PDEV 2
-#define TRANSPORT_PLUGIN_VHBA_VDEV 3
-
-/*
- * struct se_subsystem_dev->su_dev_flags
-*/
-#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001
-#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002
-#define SDF_USING_UDEV_PATH 0x00000004
-#define SDF_USING_ALIAS 0x00000008
-
-/*
- * struct se_device->dev_flags
- */
-#define DF_READ_ONLY 0x00000001
-#define DF_SPC2_RESERVATIONS 0x00000002
-#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000004
-
-/* struct se_dev_attrib sanity values */
-/* Default max_unmap_lba_count */
-#define DA_MAX_UNMAP_LBA_COUNT 0
-/* Default max_unmap_block_desc_count */
-#define DA_MAX_UNMAP_BLOCK_DESC_COUNT 0
-/* Default unmap_granularity */
-#define DA_UNMAP_GRANULARITY_DEFAULT 0
-/* Default unmap_granularity_alignment */
-#define DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT 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 */
-#define DA_EMULATE_UA_INTLLCK_CTRL 0
-/* Emulation for TASK_ABORTED status (TAS) by default */
-#define DA_EMULATE_TAS 1
-/* Emulation for Thin Provisioning UNMAP using block/blk-lib.c:blkdev_issue_discard() */
-#define DA_EMULATE_TPU 0
-/*
- * Emulation for Thin Provisioning WRITE_SAME w/ UNMAP=1 bit using
- * block/blk-lib.c:blkdev_issue_discard()
- */
-#define DA_EMULATE_TPWS 0
-/* No Emulation for PSCSI by default */
-#define DA_EMULATE_RESERVATIONS 0
-/* No Emulation for PSCSI by default */
-#define DA_EMULATE_ALUA 0
-/* Enforce SCSI Initiator Port TransportID with 'ISID' for PR */
-#define DA_ENFORCE_PR_ISIDS 1
-#define DA_STATUS_MAX_SECTORS_MIN 16
-#define DA_STATUS_MAX_SECTORS_MAX 8192
-/* By default don't report non-rotating (solid state) medium */
-#define DA_IS_NONROT 0
-/* Queue Algorithm Modifier default for restricted reordering in control mode page */
-#define DA_EMULATE_REST_REORD 0
-
-#define SE_MODE_PAGE_BUF 512
-
-#define MOD_MAX_SECTORS(ms, bs) (ms % (PAGE_SIZE / bs))
-
-struct se_subsystem_api;
-
-extern int init_se_kmem_caches(void);
-extern void release_se_kmem_caches(void);
-extern u32 scsi_get_new_index(scsi_index_t);
-extern void transport_init_queue_obj(struct se_queue_obj *);
-extern void transport_subsystem_check_init(void);
-extern int transport_subsystem_register(struct se_subsystem_api *);
-extern void transport_subsystem_release(struct se_subsystem_api *);
-extern void transport_load_plugins(void);
-extern struct se_session *transport_init_session(void);
-extern void __transport_register_session(struct se_portal_group *,
- struct se_node_acl *,
- struct se_session *, void *);
-extern void transport_register_session(struct se_portal_group *,
- struct se_node_acl *,
- struct se_session *, void *);
-extern void transport_free_session(struct se_session *);
-extern void transport_deregister_session_configfs(struct se_session *);
-extern void transport_deregister_session(struct se_session *);
-extern void transport_cmd_finish_abort(struct se_cmd *, int);
-extern void transport_complete_sync_cache(struct se_cmd *, int);
-extern void transport_complete_task(struct se_task *, int);
-extern void transport_add_task_to_execute_queue(struct se_task *,
- struct se_task *,
- struct se_device *);
-extern void transport_remove_task_from_execute_queue(struct se_task *,
- struct se_device *);
-extern void __transport_remove_task_from_execute_queue(struct se_task *,
- struct se_device *);
-unsigned char *transport_dump_cmd_direction(struct se_cmd *);
-extern void transport_dump_dev_state(struct se_device *, char *, int *);
-extern void transport_dump_dev_info(struct se_device *, struct se_lun *,
- unsigned long long, char *, int *);
-extern void transport_dump_vpd_proto_id(struct t10_vpd *,
- unsigned char *, int);
-extern void transport_set_vpd_proto_id(struct t10_vpd *, unsigned char *);
-extern int transport_dump_vpd_assoc(struct t10_vpd *,
- unsigned char *, int);
-extern int transport_set_vpd_assoc(struct t10_vpd *, unsigned char *);
-extern int transport_dump_vpd_ident_type(struct t10_vpd *,
- unsigned char *, int);
-extern int transport_set_vpd_ident_type(struct t10_vpd *, unsigned char *);
-extern int transport_dump_vpd_ident(struct t10_vpd *,
- unsigned char *, int);
-extern int transport_set_vpd_ident(struct t10_vpd *, unsigned char *);
-extern struct se_device *transport_add_device_to_core_hba(struct se_hba *,
- struct se_subsystem_api *,
- struct se_subsystem_dev *, u32,
- void *, struct se_dev_limits *,
- const char *, const char *);
-extern void transport_init_se_cmd(struct se_cmd *,
- struct target_core_fabric_ops *,
- struct se_session *, u32, int, int,
- unsigned char *);
-void *transport_kmap_first_data_page(struct se_cmd *cmd);
-void transport_kunmap_first_data_page(struct se_cmd *cmd);
-extern int transport_generic_allocate_tasks(struct se_cmd *, unsigned char *);
-extern int transport_handle_cdb_direct(struct se_cmd *);
-extern int transport_generic_handle_cdb_map(struct se_cmd *);
-extern int transport_generic_handle_data(struct se_cmd *);
-extern int transport_generic_handle_tmr(struct se_cmd *);
-extern bool target_stop_task(struct se_task *task, unsigned long *flags);
-extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32,
- struct scatterlist *, u32);
-extern int transport_clear_lun_from_sessions(struct se_lun *);
-extern bool transport_wait_for_tasks(struct se_cmd *);
-extern int transport_check_aborted_status(struct se_cmd *, int);
-extern int transport_send_check_condition_and_sense(struct se_cmd *, u8, int);
-extern void transport_send_task_abort(struct se_cmd *);
-extern void transport_release_cmd(struct se_cmd *);
-extern void transport_generic_free_cmd(struct se_cmd *, int);
-extern void target_get_sess_cmd(struct se_session *, struct se_cmd *);
-extern int target_put_sess_cmd(struct se_session *, struct se_cmd *);
-extern void target_splice_sess_cmd_list(struct se_session *);
-extern void target_wait_for_sess_cmds(struct se_session *, int);
-extern void transport_generic_wait_for_cmds(struct se_cmd *, int);
-extern void transport_do_task_sg_chain(struct se_cmd *);
-extern void transport_generic_process_write(struct se_cmd *);
-extern int transport_generic_new_cmd(struct se_cmd *);
-extern int transport_generic_do_tmr(struct se_cmd *);
-/* From target_core_alua.c */
-extern int core_alua_check_nonop_delay(struct se_cmd *);
-/* From target_core_cdb.c */
-extern int transport_emulate_control_cdb(struct se_task *);
-extern void target_get_task_cdb(struct se_task *task, unsigned char *cdb);
-
-/*
- * Each se_transport_task_t can have N number of possible struct se_task's
- * for the storage transport(s) to possibly execute.
- * Used primarily for splitting up CDBs that exceed the physical storage
- * HBA's maximum sector count per task.
- */
-struct se_mem {
- struct page *se_page;
- u32 se_len;
- u32 se_off;
- struct list_head se_list;
-} ____cacheline_aligned;
-
-/*
- * Each type of disk transport supported MUST have a template defined
- * within its .h file.
- */
-struct se_subsystem_api {
- /*
- * The Name. :-)
- */
- char name[16];
- /*
- * Transport Type.
- */
- u8 transport_type;
-
- unsigned int fua_write_emulated : 1;
- unsigned int write_cache_emulated : 1;
-
- /*
- * struct module for struct se_hba references
- */
- struct module *owner;
- /*
- * Used for global se_subsystem_api list_head
- */
- struct list_head sub_api_list;
- /*
- * attach_hba():
- */
- int (*attach_hba)(struct se_hba *, u32);
- /*
- * detach_hba():
- */
- void (*detach_hba)(struct se_hba *);
- /*
- * pmode_hba(): Used for TCM/pSCSI subsystem plugin HBA ->
- * Linux/SCSI struct Scsi_Host passthrough
- */
- int (*pmode_enable_hba)(struct se_hba *, unsigned long);
- /*
- * allocate_virtdevice():
- */
- void *(*allocate_virtdevice)(struct se_hba *, const char *);
- /*
- * create_virtdevice(): Only for Virtual HBAs
- */
- struct se_device *(*create_virtdevice)(struct se_hba *,
- struct se_subsystem_dev *, void *);
- /*
- * free_device():
- */
- void (*free_device)(void *);
-
- /*
- * transport_complete():
- *
- * Use transport_generic_complete() for majority of DAS transport
- * drivers. Provided out of convenience.
- */
- int (*transport_complete)(struct se_task *task);
- struct se_task *(*alloc_task)(unsigned char *cdb);
- /*
- * do_task():
- */
- int (*do_task)(struct se_task *);
- /*
- * Used by virtual subsystem plugins IBLOCK and FILEIO to emulate
- * UNMAP and WRITE_SAME_* w/ UNMAP=1 <-> Linux/Block Discard
- */
- int (*do_discard)(struct se_device *, sector_t, u32);
- /*
- * Used by virtual subsystem plugins IBLOCK and FILEIO to emulate
- * SYNCHRONIZE_CACHE_* <-> Linux/Block blkdev_issue_flush()
- */
- void (*do_sync_cache)(struct se_task *);
- /*
- * free_task():
- */
- void (*free_task)(struct se_task *);
- /*
- * check_configfs_dev_params():
- */
- ssize_t (*check_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *);
- /*
- * set_configfs_dev_params():
- */
- ssize_t (*set_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *,
- const char *, ssize_t);
- /*
- * show_configfs_dev_params():
- */
- ssize_t (*show_configfs_dev_params)(struct se_hba *, struct se_subsystem_dev *,
- char *);
- /*
- * get_device_rev():
- */
- u32 (*get_device_rev)(struct se_device *);
- /*
- * get_device_type():
- */
- u32 (*get_device_type)(struct se_device *);
- /*
- * Get the sector_t from a subsystem backstore..
- */
- sector_t (*get_blocks)(struct se_device *);
- /*
- * get_sense_buffer():
- */
- unsigned char *(*get_sense_buffer)(struct se_task *);
-} ____cacheline_aligned;
-
-#endif /* TARGET_CORE_TRANSPORT_H */
git.samba.org / sfrench / cifs-2.6.git / commitdiff