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-rwxr-xr-xDocumentation/target/tcm_mod_builder.py16
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c2
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c15
-rw-r--r--drivers/target/iscsi/iscsi_target.c196
-rw-r--r--drivers/target/iscsi/iscsi_target.h5
-rw-r--r--drivers/target/iscsi/iscsi_target_configfs.c42
-rw-r--r--drivers/target/iscsi/iscsi_target_core.h15
-rw-r--r--drivers/target/iscsi/iscsi_target_erl0.c94
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.c4
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.h4
-rw-r--r--drivers/target/iscsi/iscsi_target_erl2.c9
-rw-r--r--drivers/target/iscsi/iscsi_target_erl2.h2
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c20
-rw-r--r--drivers/target/iscsi/iscsi_target_nego.c31
-rw-r--r--drivers/target/iscsi/iscsi_target_parameters.c71
-rw-r--r--drivers/target/iscsi/iscsi_target_parameters.h7
-rw-r--r--drivers/target/iscsi/iscsi_target_seq_pdu_list.c61
-rw-r--r--drivers/target/iscsi/iscsi_target_tmr.c31
-rw-r--r--drivers/target/iscsi/iscsi_target_tpg.c12
-rw-r--r--drivers/target/iscsi/iscsi_target_tq.c6
-rw-r--r--drivers/target/iscsi/iscsi_target_tq.h1
-rw-r--r--drivers/target/iscsi/iscsi_target_util.c16
-rw-r--r--drivers/target/iscsi/iscsi_target_util.h8
-rw-r--r--drivers/target/loopback/tcm_loop.c74
-rw-r--r--drivers/target/sbp/sbp_target.c27
-rw-r--r--drivers/target/target_core_alua.c2
-rw-r--r--drivers/target/target_core_configfs.c18
-rw-r--r--drivers/target/target_core_device.c16
-rw-r--r--drivers/target/target_core_fabric_configfs.c1
-rw-r--r--drivers/target/target_core_fabric_lib.c8
-rw-r--r--drivers/target/target_core_file.c43
-rw-r--r--drivers/target/target_core_file.h1
-rw-r--r--drivers/target/target_core_iblock.c17
-rw-r--r--drivers/target/target_core_pr.c14
-rw-r--r--drivers/target/target_core_pscsi.c2
-rw-r--r--drivers/target/target_core_sbc.c23
-rw-r--r--drivers/target/target_core_spc.c48
-rw-r--r--drivers/target/target_core_stat.c1
-rw-r--r--drivers/target/target_core_tpg.c2
-rw-r--r--drivers/target/target_core_transport.c268
-rw-r--r--drivers/target/tcm_fc/tfc_cmd.c1
-rw-r--r--drivers/target/tcm_fc/tfc_conf.c12
-rw-r--r--drivers/target/tcm_fc/tfc_io.c4
-rw-r--r--drivers/target/tcm_fc/tfc_sess.c1
-rw-r--r--drivers/usb/gadget/tcm_usb_gadget.c15
-rw-r--r--drivers/vhost/tcm_vhost.c81
-rw-r--r--drivers/vhost/tcm_vhost.h8
-rw-r--r--include/target/target_core_backend.h3
-rw-r--r--include/target/target_core_fabric.h5
50 files changed, 640 insertions, 735 deletions
diff --git a/Documentation/target/tcm_mod_builder.py b/Documentation/target/tcm_mod_builder.py
index a78879b01f09..3fe0d812dcec 100755
--- a/Documentation/target/tcm_mod_builder.py
+++ b/Documentation/target/tcm_mod_builder.py
@@ -402,8 +402,6 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
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 += " /*\n"
buf += " * Setup function pointers for generic logic in target_core_fabric_configfs.c\n"
@@ -906,20 +904,6 @@ def tcm_mod_dump_fabric_ops(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += "}\n\n"
bufi += "int " + fabric_mod_name + "_queue_tm_rsp(struct se_cmd *);\n"
- if re.search('get_fabric_sense_len\)\(', fo):
- buf += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void)\n"
- buf += "{\n"
- buf += " return 0;\n"
- buf += "}\n\n"
- bufi += "u16 " + fabric_mod_name + "_get_fabric_sense_len(void);\n"
-
- if re.search('set_fabric_sense_len\)\(', fo):
- buf += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)\n"
- buf += "{\n"
- buf += " return 0;\n"
- buf += "}\n\n"
- bufi += "u16 " + fabric_mod_name + "_set_fabric_sense_len(struct se_cmd *, u32);\n"
-
if re.search('is_state_remove\)\(', fo):
buf += "int " + fabric_mod_name + "_is_state_remove(struct se_cmd *se_cmd)\n"
buf += "{\n"
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 9e1449f8c6a2..cf23c46185b2 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3564,16 +3564,6 @@ static int srpt_get_tcm_cmd_state(struct se_cmd *se_cmd)
return srpt_get_cmd_state(ioctx);
}
-static u16 srpt_set_fabric_sense_len(struct se_cmd *cmd, u32 sense_length)
-{
- return 0;
-}
-
-static u16 srpt_get_fabric_sense_len(void)
-{
- return 0;
-}
-
/**
* srpt_parse_i_port_id() - Parse an initiator port ID.
* @name: ASCII representation of a 128-bit initiator port ID.
@@ -3953,8 +3943,6 @@ static struct target_core_fabric_ops srpt_template = {
.queue_data_in = srpt_queue_response,
.queue_status = srpt_queue_status,
.queue_tm_rsp = srpt_queue_response,
- .get_fabric_sense_len = srpt_get_fabric_sense_len,
- .set_fabric_sense_len = srpt_set_fabric_sense_len,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index bddc97c5c8e9..0e09d8f433d1 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1403,7 +1403,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
ctio->u.status1.scsi_status =
__constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID);
ctio->u.status1.response_len = __constant_cpu_to_le16(8);
- ((uint32_t *)ctio->u.status1.sense_data)[0] = cpu_to_be32(resp_code);
+ ctio->u.status1.sense_data[0] = resp_code;
qla2x00_start_iocbs(ha, ha->req);
}
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 4752f65a9272..2358c16c4c8e 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -735,17 +735,6 @@ static int tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
return 0;
}
-static u16 tcm_qla2xxx_get_fabric_sense_len(void)
-{
- return 0;
-}
-
-static u16 tcm_qla2xxx_set_fabric_sense_len(struct se_cmd *se_cmd,
- u32 sense_length)
-{
- return 0;
-}
-
/* Local pointer to allocated TCM configfs fabric module */
struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
@@ -1691,8 +1680,6 @@ static struct target_core_fabric_ops tcm_qla2xxx_ops = {
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
.queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
- .get_fabric_sense_len = tcm_qla2xxx_get_fabric_sense_len,
- .set_fabric_sense_len = tcm_qla2xxx_set_fabric_sense_len,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
@@ -1740,8 +1727,6 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.queue_data_in = tcm_qla2xxx_queue_data_in,
.queue_status = tcm_qla2xxx_queue_status,
.queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
- .get_fabric_sense_len = tcm_qla2xxx_get_fabric_sense_len,
- .set_fabric_sense_len = tcm_qla2xxx_set_fabric_sense_len,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 97c0f78c3c9c..d6ce2182e672 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -427,7 +427,7 @@ int iscsit_reset_np_thread(
return 0;
}
-int iscsit_del_np_comm(struct iscsi_np *np)
+static int iscsit_del_np_comm(struct iscsi_np *np)
{
if (np->np_socket)
sock_release(np->np_socket);
@@ -785,10 +785,6 @@ static int iscsit_handle_scsi_cmd(
hdr = (struct iscsi_scsi_req *) buf;
payload_length = ntoh24(hdr->dlength);
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->data_length = be32_to_cpu(hdr->data_length);
- hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
/* FIXME; Add checks for AdditionalHeaderSegment */
@@ -852,7 +848,7 @@ done:
buf, conn);
}
- if ((hdr->data_length == payload_length) &&
+ if ((be32_to_cpu(hdr->data_length )== payload_length) &&
(!(hdr->flags & ISCSI_FLAG_CMD_FINAL))) {
pr_err("Expected Data Transfer Length and Length of"
" Immediate Data are the same, but ISCSI_FLAG_CMD_FINAL"
@@ -861,7 +857,7 @@ done:
buf, conn);
}
- if (payload_length > hdr->data_length) {
+ if (payload_length > be32_to_cpu(hdr->data_length)) {
pr_err("DataSegmentLength: %u is greater than"
" EDTL: %u, protocol error.\n", payload_length,
hdr->data_length);
@@ -869,10 +865,10 @@ done:
buf, conn);
}
- if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+ if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("DataSegmentLength: %u is greater than"
- " MaxRecvDataSegmentLength: %u, protocol error.\n",
- payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
+ " MaxXmitDataSegmentLength: %u, protocol error.\n",
+ payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@@ -932,8 +928,8 @@ done:
spin_unlock_bh(&conn->sess->ttt_lock);
} else if (hdr->flags & ISCSI_FLAG_CMD_WRITE)
cmd->targ_xfer_tag = 0xFFFFFFFF;
- cmd->cmd_sn = hdr->cmdsn;
- cmd->exp_stat_sn = hdr->exp_statsn;
+ cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
+ cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
cmd->first_burst_len = payload_length;
if (cmd->data_direction == DMA_FROM_DEVICE) {
@@ -952,8 +948,9 @@ done:
* Initialize struct se_cmd descriptor from target_core_mod infrastructure
*/
transport_init_se_cmd(&cmd->se_cmd, &lio_target_fabric_configfs->tf_ops,
- conn->sess->se_sess, hdr->data_length, cmd->data_direction,
- sam_task_attr, &cmd->sense_buffer[0]);
+ conn->sess->se_sess, be32_to_cpu(hdr->data_length),
+ cmd->data_direction, sam_task_attr,
+ cmd->sense_buffer + 2);
pr_debug("Got SCSI Command, ITT: 0x%08x, CmdSN: 0x%08x,"
" ExpXferLen: %u, Length: %u, CID: %hu\n", hdr->itt,
@@ -1028,7 +1025,7 @@ attach_cmd:
1, 0, buf, cmd);
}
- iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+ iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
/*
* If no Immediate Data is attached, it's OK to return now.
@@ -1194,11 +1191,6 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
hdr = (struct iscsi_data *) buf;
payload_length = ntoh24(hdr->dlength);
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->ttt = be32_to_cpu(hdr->ttt);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
- hdr->datasn = be32_to_cpu(hdr->datasn);
- hdr->offset = be32_to_cpu(hdr->offset);
if (!payload_length) {
pr_err("DataOUT payload is ZERO, protocol error.\n");
@@ -1216,10 +1208,10 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
}
spin_unlock_bh(&conn->sess->session_stats_lock);
- if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+ if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("DataSegmentLength: %u is greater than"
- " MaxRecvDataSegmentLength: %u\n", payload_length,
- conn->conn_ops->MaxRecvDataSegmentLength);
+ " MaxXmitDataSegmentLength: %u\n", payload_length,
+ conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@@ -1250,7 +1242,7 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
se_cmd = &cmd->se_cmd;
iscsit_mod_dataout_timer(cmd);
- if ((hdr->offset + payload_length) > cmd->se_cmd.data_length) {
+ if ((be32_to_cpu(hdr->offset) + payload_length) > cmd->se_cmd.data_length) {
pr_err("DataOut Offset: %u, Length %u greater than"
" iSCSI Command EDTL %u, protocol error.\n",
hdr->offset, payload_length, cmd->se_cmd.data_length);
@@ -1333,7 +1325,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
rx_size += payload_length;
iov = &cmd->iov_data[0];
- iov_ret = iscsit_map_iovec(cmd, iov, hdr->offset, payload_length);
+ iov_ret = iscsit_map_iovec(cmd, iov, be32_to_cpu(hdr->offset),
+ payload_length);
if (iov_ret < 0)
return -1;
@@ -1364,7 +1357,8 @@ static int iscsit_handle_data_out(struct iscsi_conn *conn, unsigned char *buf)
u32 data_crc;
data_crc = iscsit_do_crypto_hash_sg(&conn->conn_rx_hash, cmd,
- hdr->offset, payload_length, padding,
+ be32_to_cpu(hdr->offset),
+ payload_length, padding,
cmd->pad_bytes);
if (checksum != data_crc) {
@@ -1425,30 +1419,26 @@ static int iscsit_handle_nop_out(
hdr = (struct iscsi_nopout *) buf;
payload_length = ntoh24(hdr->dlength);
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->ttt = be32_to_cpu(hdr->ttt);
- hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
- if ((hdr->itt == 0xFFFFFFFF) && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
+ if (hdr->itt == RESERVED_ITT && !(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
pr_err("NOPOUT ITT is reserved, but Immediate Bit is"
" not set, protocol error.\n");
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
- if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+ if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("NOPOUT Ping Data DataSegmentLength: %u is"
- " greater than MaxRecvDataSegmentLength: %u, protocol"
+ " greater than MaxXmitDataSegmentLength: %u, protocol"
" error.\n", payload_length,
- conn->conn_ops->MaxRecvDataSegmentLength);
+ conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
pr_debug("Got NOPOUT Ping %s ITT: 0x%08x, TTT: 0x%09x,"
" CmdSN: 0x%08x, ExpStatSN: 0x%08x, Length: %u\n",
- (hdr->itt == 0xFFFFFFFF) ? "Response" : "Request",
+ hdr->itt == RESERVED_ITT ? "Response" : "Request",
hdr->itt, hdr->ttt, hdr->cmdsn, hdr->exp_statsn,
payload_length);
/*
@@ -1458,7 +1448,7 @@ static int iscsit_handle_nop_out(
* Either way, make sure we allocate an struct iscsi_cmd, as both
* can contain ping data.
*/
- if (hdr->ttt == 0xFFFFFFFF) {
+ if (hdr->ttt == cpu_to_be32(0xFFFFFFFF)) {
cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
if (!cmd)
return iscsit_add_reject(
@@ -1471,12 +1461,12 @@ static int iscsit_handle_nop_out(
1 : 0);
conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt;
cmd->targ_xfer_tag = 0xFFFFFFFF;
- cmd->cmd_sn = hdr->cmdsn;
- cmd->exp_stat_sn = hdr->exp_statsn;
+ cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
+ cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
cmd->data_direction = DMA_NONE;
}
- if (payload_length && (hdr->ttt == 0xFFFFFFFF)) {
+ if (payload_length && hdr->ttt == cpu_to_be32(0xFFFFFFFF)) {
rx_size = payload_length;
ping_data = kzalloc(payload_length + 1, GFP_KERNEL);
if (!ping_data) {
@@ -1556,7 +1546,7 @@ static int iscsit_handle_nop_out(
pr_debug("Ping Data: \"%s\"\n", ping_data);
}
- if (hdr->itt != 0xFFFFFFFF) {
+ if (hdr->itt != RESERVED_ITT) {
if (!cmd) {
pr_err("Checking CmdSN for NOPOUT,"
" but cmd is NULL!\n");
@@ -1569,7 +1559,7 @@ static int iscsit_handle_nop_out(
list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+ iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
if (hdr->opcode & ISCSI_OP_IMMEDIATE) {
iscsit_add_cmd_to_response_queue(cmd, conn,
@@ -1590,11 +1580,11 @@ static int iscsit_handle_nop_out(
return 0;
}
- if (hdr->ttt != 0xFFFFFFFF) {
+ if (hdr->ttt != cpu_to_be32(0xFFFFFFFF)) {
/*
* This was a response to a unsolicited NOPIN ping.
*/
- cmd = iscsit_find_cmd_from_ttt(conn, hdr->ttt);
+ cmd = iscsit_find_cmd_from_ttt(conn, be32_to_cpu(hdr->ttt));
if (!cmd)
return -1;
@@ -1639,12 +1629,6 @@ static int iscsit_handle_task_mgt_cmd(
u8 function;
hdr = (struct iscsi_tm *) buf;
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->rtt = be32_to_cpu(hdr->rtt);
- hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
- hdr->refcmdsn = be32_to_cpu(hdr->refcmdsn);
- hdr->exp_datasn = be32_to_cpu(hdr->exp_datasn);
hdr->flags &= ~ISCSI_FLAG_CMD_FINAL;
function = hdr->flags;
@@ -1655,9 +1639,9 @@ static int iscsit_handle_task_mgt_cmd(
if ((function != ISCSI_TM_FUNC_ABORT_TASK) &&
((function != ISCSI_TM_FUNC_TASK_REASSIGN) &&
- (hdr->rtt != ISCSI_RESERVED_TAG))) {
+ hdr->rtt != RESERVED_ITT)) {
pr_err("RefTaskTag should be set to 0xFFFFFFFF.\n");
- hdr->rtt = ISCSI_RESERVED_TAG;
+ hdr->rtt = RESERVED_ITT;
}
if ((function == ISCSI_TM_FUNC_TASK_REASSIGN) &&
@@ -1669,8 +1653,8 @@ static int iscsit_handle_task_mgt_cmd(
buf, conn);
}
if ((function != ISCSI_TM_FUNC_ABORT_TASK) &&
- (hdr->refcmdsn != ISCSI_RESERVED_TAG))
- hdr->refcmdsn = ISCSI_RESERVED_TAG;
+ be32_to_cpu(hdr->refcmdsn) != ISCSI_RESERVED_TAG)
+ hdr->refcmdsn = cpu_to_be32(ISCSI_RESERVED_TAG);
cmd = iscsit_allocate_cmd(conn, GFP_KERNEL);
if (!cmd)
@@ -1700,7 +1684,7 @@ static int iscsit_handle_task_mgt_cmd(
transport_init_se_cmd(&cmd->se_cmd,
&lio_target_fabric_configfs->tf_ops,
conn->sess->se_sess, 0, DMA_NONE,
- MSG_SIMPLE_TAG, &cmd->sense_buffer[0]);
+ MSG_SIMPLE_TAG, cmd->sense_buffer + 2);
switch (function) {
case ISCSI_TM_FUNC_ABORT_TASK:
@@ -1747,8 +1731,8 @@ static int iscsit_handle_task_mgt_cmd(
cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
cmd->init_task_tag = hdr->itt;
cmd->targ_xfer_tag = 0xFFFFFFFF;
- cmd->cmd_sn = hdr->cmdsn;
- cmd->exp_stat_sn = hdr->exp_statsn;
+ cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
+ cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
se_tmr = cmd->se_cmd.se_tmr_req;
tmr_req = cmd->tmr_req;
/*
@@ -1832,7 +1816,7 @@ attach:
ISCSI_REASON_PROTOCOL_ERROR,
1, 0, buf, cmd);
}
- iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+ iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
if (out_of_order_cmdsn || !(hdr->opcode & ISCSI_OP_IMMEDIATE))
return 0;
@@ -1869,15 +1853,11 @@ static int iscsit_handle_text_cmd(
hdr = (struct iscsi_text *) buf;
payload_length = ntoh24(hdr->dlength);
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->ttt = be32_to_cpu(hdr->ttt);
- hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
- if (payload_length > conn->conn_ops->MaxRecvDataSegmentLength) {
+ if (payload_length > conn->conn_ops->MaxXmitDataSegmentLength) {
pr_err("Unable to accept text parameter length: %u"
- "greater than MaxRecvDataSegmentLength %u.\n",
- payload_length, conn->conn_ops->MaxRecvDataSegmentLength);
+ "greater than MaxXmitDataSegmentLength %u.\n",
+ payload_length, conn->conn_ops->MaxXmitDataSegmentLength);
return iscsit_add_reject(ISCSI_REASON_PROTOCOL_ERROR, 1,
buf, conn);
}
@@ -1989,15 +1969,15 @@ static int iscsit_handle_text_cmd(
cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt;
cmd->targ_xfer_tag = 0xFFFFFFFF;
- cmd->cmd_sn = hdr->cmdsn;
- cmd->exp_stat_sn = hdr->exp_statsn;
+ cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
+ cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
cmd->data_direction = DMA_NONE;
spin_lock_bh(&conn->cmd_lock);
list_add_tail(&cmd->i_conn_node, &conn->conn_cmd_list);
spin_unlock_bh(&conn->cmd_lock);
- iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+ iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
if (!(hdr->opcode & ISCSI_OP_IMMEDIATE)) {
cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn);
@@ -2131,10 +2111,6 @@ static int iscsit_handle_logout_cmd(
hdr = (struct iscsi_logout *) buf;
reason_code = (hdr->flags & 0x7f);
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->cid = be16_to_cpu(hdr->cid);
- hdr->cmdsn = be32_to_cpu(hdr->cmdsn);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
if (tiqn) {
spin_lock(&tiqn->logout_stats.lock);
@@ -2166,9 +2142,9 @@ static int iscsit_handle_logout_cmd(
cmd->immediate_cmd = ((hdr->opcode & ISCSI_OP_IMMEDIATE) ? 1 : 0);
conn->sess->init_task_tag = cmd->init_task_tag = hdr->itt;
cmd->targ_xfer_tag = 0xFFFFFFFF;
- cmd->cmd_sn = hdr->cmdsn;
- cmd->exp_stat_sn = hdr->exp_statsn;
- cmd->logout_cid = hdr->cid;
+ cmd->cmd_sn = be32_to_cpu(hdr->cmdsn);
+ cmd->exp_stat_sn = be32_to_cpu(hdr->exp_statsn);
+ cmd->logout_cid = be16_to_cpu(hdr->cid);
cmd->logout_reason = reason_code;
cmd->data_direction = DMA_NONE;
@@ -2178,7 +2154,7 @@ static int iscsit_handle_logout_cmd(
*/
if ((reason_code == ISCSI_LOGOUT_REASON_CLOSE_SESSION) ||
((reason_code == ISCSI_LOGOUT_REASON_CLOSE_CONNECTION) &&
- (hdr->cid == conn->cid)))
+ be16_to_cpu(hdr->cid) == conn->cid))
logout_remove = 1;
spin_lock_bh(&conn->cmd_lock);
@@ -2186,7 +2162,7 @@ static int iscsit_handle_logout_cmd(
spin_unlock_bh(&conn->cmd_lock);
if (reason_code != ISCSI_LOGOUT_REASON_RECOVERY)
- iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
+ iscsit_ack_from_expstatsn(conn, be32_to_cpu(hdr->exp_statsn));
/*
* Immediate commands are executed, well, immediately.
@@ -2219,11 +2195,6 @@ static int iscsit_handle_snack(
hdr = (struct iscsi_snack *) buf;
hdr->flags &= ~ISCSI_FLAG_CMD_FINAL;
- hdr->itt = be32_to_cpu(hdr->itt);
- hdr->ttt = be32_to_cpu(hdr->ttt);
- hdr->exp_statsn = be32_to_cpu(hdr->exp_statsn);
- hdr->begrun = be32_to_cpu(hdr->begrun);
- hdr->runlength = be32_to_cpu(hdr->runlength);
pr_debug("Got ISCSI_INIT_SNACK, ITT: 0x%08x, ExpStatSN:"
" 0x%08x, Type: 0x%02x, BegRun: 0x%08x, RunLength: 0x%08x,"
@@ -2243,13 +2214,18 @@ static int iscsit_handle_snack(
switch (hdr->flags & ISCSI_FLAG_SNACK_TYPE_MASK) {
case 0:
return iscsit_handle_recovery_datain_or_r2t(conn, buf,
- hdr->itt, hdr->ttt, hdr->begrun, hdr->runlength);
+ hdr->itt,
+ be32_to_cpu(hdr->ttt),
+ be32_to_cpu(hdr->begrun),
+ be32_to_cpu(hdr->runlength));
case ISCSI_FLAG_SNACK_TYPE_STATUS:
- return iscsit_handle_status_snack(conn, hdr->itt, hdr->ttt,
- hdr->begrun, hdr->runlength);
+ return iscsit_handle_status_snack(conn, hdr->itt,
+ be32_to_cpu(hdr->ttt),
+ be32_to_cpu(hdr->begrun), be32_to_cpu(hdr->runlength));
case ISCSI_FLAG_SNACK_TYPE_DATA_ACK:
- return iscsit_handle_data_ack(conn, hdr->ttt, hdr->begrun,
- hdr->runlength);
+ return iscsit_handle_data_ack(conn, be32_to_cpu(hdr->ttt),
+ be32_to_cpu(hdr->begrun),
+ be32_to_cpu(hdr->runlength));
case ISCSI_FLAG_SNACK_TYPE_RDATA:
/* FIXME: Support R-Data SNACK */
pr_err("R-Data SNACK Not Supported.\n");
@@ -2414,7 +2390,7 @@ static int iscsit_send_conn_drop_async_message(
hdr = (struct iscsi_async *) cmd->pdu;
hdr->opcode = ISCSI_OP_ASYNC_EVENT;
hdr->flags = ISCSI_FLAG_CMD_FINAL;
- cmd->init_task_tag = 0xFFFFFFFF;
+ cmd->init_task_tag = RESERVED_ITT;
cmd->targ_xfer_tag = 0xFFFFFFFF;
put_unaligned_be64(0xFFFFFFFFFFFFFFFFULL, &hdr->rsvd4[0]);
cmd->stat_sn = conn->stat_sn++;
@@ -2536,12 +2512,17 @@ static int iscsit_send_data_in(
else
put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun);
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
- hdr->ttt = (hdr->flags & ISCSI_FLAG_DATA_ACK) ?
- cpu_to_be32(cmd->targ_xfer_tag) :
- 0xFFFFFFFF;
- hdr->statsn = (set_statsn) ? cpu_to_be32(cmd->stat_sn) :
- 0xFFFFFFFF;
+ hdr->itt = cmd->init_task_tag;
+
+ if (hdr->flags & ISCSI_FLAG_DATA_ACK)
+ hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag);
+ else
+ hdr->ttt = cpu_to_be32(0xFFFFFFFF);
+ if (set_statsn)
+ hdr->statsn = cpu_to_be32(cmd->stat_sn);
+ else
+ hdr->statsn = cpu_to_be32(0xFFFFFFFF);
+
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
hdr->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
hdr->datasn = cpu_to_be32(datain.data_sn);
@@ -2708,7 +2689,7 @@ static int iscsit_send_logout_response(
hdr->opcode = ISCSI_OP_LOGOUT_RSP;
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
hdr->response = cmd->logout_response;
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
@@ -2759,7 +2740,7 @@ static int iscsit_send_unsolicited_nopin(
memset(hdr, 0, ISCSI_HDR_LEN);
hdr->opcode = ISCSI_OP_NOOP_IN;
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag);
cmd->stat_sn = conn->stat_sn;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
@@ -2816,7 +2797,7 @@ static int iscsit_send_nopin_response(
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
hton24(hdr->dlength, cmd->buf_ptr_size);
put_unaligned_le64(0xFFFFFFFFFFFFFFFFULL, &hdr->lun);
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag);
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
@@ -2906,7 +2887,7 @@ static int iscsit_send_r2t(
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
int_to_scsilun(cmd->se_cmd.orig_fe_lun,
(struct scsi_lun *)&hdr->lun);
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
spin_lock_bh(&conn->sess->ttt_lock);
r2t->targ_xfer_tag = conn->sess->targ_xfer_tag++;
if (r2t->targ_xfer_tag == 0xFFFFFFFF)
@@ -3074,7 +3055,7 @@ static int iscsit_send_status(
}
hdr->response = cmd->iscsi_response;
hdr->cmd_status = cmd->se_cmd.scsi_status;
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
iscsit_increment_maxcmdsn(cmd, conn->sess);
@@ -3092,15 +3073,18 @@ static int iscsit_send_status(
if (cmd->se_cmd.sense_buffer &&
((cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ||
(cmd->se_cmd.se_cmd_flags & SCF_EMULATED_TASK_SENSE))) {
+ put_unaligned_be16(cmd->se_cmd.scsi_sense_length, cmd->sense_buffer);
+ cmd->se_cmd.scsi_sense_length += sizeof (__be16);
+
padding = -(cmd->se_cmd.scsi_sense_length) & 3;
- hton24(hdr->dlength, cmd->se_cmd.scsi_sense_length);
- iov[iov_count].iov_base = cmd->se_cmd.sense_buffer;
+ hton24(hdr->dlength, (u32)cmd->se_cmd.scsi_sense_length);
+ iov[iov_count].iov_base = cmd->sense_buffer;
iov[iov_count++].iov_len =
(cmd->se_cmd.scsi_sense_length + padding);
tx_size += cmd->se_cmd.scsi_sense_length;
if (padding) {
- memset(cmd->se_cmd.sense_buffer +
+ memset(cmd->sense_buffer +
cmd->se_cmd.scsi_sense_length, 0, padding);
tx_size += padding;
pr_debug("Adding %u bytes of padding to"
@@ -3109,7 +3093,7 @@ static int iscsit_send_status(
if (conn->conn_ops->DataDigest) {
iscsit_do_crypto_hash_buf(&conn->conn_tx_hash,
- cmd->se_cmd.sense_buffer,
+ cmd->sense_buffer,
(cmd->se_cmd.scsi_sense_length + padding),
0, NULL, (u8 *)&cmd->data_crc);
@@ -3184,7 +3168,7 @@ static int iscsit_send_task_mgt_rsp(
hdr->opcode = ISCSI_OP_SCSI_TMFUNC_RSP;
hdr->flags = ISCSI_FLAG_CMD_FINAL;
hdr->response = iscsit_convert_tcm_tmr_rsp(se_tmr);
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
@@ -3236,7 +3220,7 @@ static bool iscsit_check_inaddr_any(struct iscsi_np *np)
struct sockaddr_in * sock_in =
(struct sockaddr_in *)&np->np_sockaddr;
- if (sock_in->sin_addr.s_addr == INADDR_ANY)
+ if (sock_in->sin_addr.s_addr == htonl(INADDR_ANY))
ret = true;
}
@@ -3271,7 +3255,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd)
len += 1;
if ((len + payload_len) > buffer_len) {
- spin_unlock(&tiqn->tiqn_tpg_lock);
end_of_buf = 1;
goto eob;
}
@@ -3358,7 +3341,7 @@ static int iscsit_send_text_rsp(
hdr->opcode = ISCSI_OP_TEXT_RSP;
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
hton24(hdr->dlength, text_length);
- hdr->itt = cpu_to_be32(cmd->init_task_tag);
+ hdr->itt = cmd->init_task_tag;
hdr->ttt = cpu_to_be32(cmd->targ_xfer_tag);
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
@@ -3424,6 +3407,7 @@ static int iscsit_send_reject(
hdr->opcode = ISCSI_OP_REJECT;
hdr->flags |= ISCSI_FLAG_CMD_FINAL;
hton24(hdr->dlength, ISCSI_HDR_LEN);
+ hdr->ffffffff = cpu_to_be32(0xffffffff);
cmd->stat_sn = conn->stat_sn++;
hdr->statsn = cpu_to_be32(cmd->stat_sn);
hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h
index 12abb4c9e34e..f1e4f3155bac 100644
--- a/drivers/target/iscsi/iscsi_target.h
+++ b/drivers/target/iscsi/iscsi_target.h
@@ -38,4 +38,9 @@ extern struct kmem_cache *lio_cmd_cache;
extern struct kmem_cache *lio_qr_cache;
extern struct kmem_cache *lio_r2t_cache;
+extern struct idr sess_idr;
+extern struct mutex auth_id_lock;
+extern spinlock_t sess_idr_lock;
+
+
#endif /*** ISCSI_TARGET_H ***/
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index a7b25e783b58..ff6fd4fb624d 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -135,7 +135,7 @@ static struct configfs_attribute *lio_target_portal_attrs[] = {
#define MAX_PORTAL_LEN 256
-struct se_tpg_np *lio_target_call_addnptotpg(
+static struct se_tpg_np *lio_target_call_addnptotpg(
struct se_portal_group *se_tpg,
struct config_group *group,
const char *name)
@@ -1034,6 +1034,9 @@ TPG_PARAM_ATTR(ImmediateData, S_IRUGO | S_IWUSR);
DEF_TPG_PARAM(MaxRecvDataSegmentLength);
TPG_PARAM_ATTR(MaxRecvDataSegmentLength, S_IRUGO | S_IWUSR);
+DEF_TPG_PARAM(MaxXmitDataSegmentLength);
+TPG_PARAM_ATTR(MaxXmitDataSegmentLength, S_IRUGO | S_IWUSR);
+
DEF_TPG_PARAM(MaxBurstLength);
TPG_PARAM_ATTR(MaxBurstLength, S_IRUGO | S_IWUSR);
@@ -1079,6 +1082,7 @@ static struct configfs_attribute *lio_target_tpg_param_attrs[] = {
&iscsi_tpg_param_InitialR2T.attr,
&iscsi_tpg_param_ImmediateData.attr,
&iscsi_tpg_param_MaxRecvDataSegmentLength.attr,
+ &iscsi_tpg_param_MaxXmitDataSegmentLength.attr,
&iscsi_tpg_param_MaxBurstLength.attr,
&iscsi_tpg_param_FirstBurstLength.attr,
&iscsi_tpg_param_DefaultTime2Wait.attr,
@@ -1166,7 +1170,7 @@ static struct configfs_attribute *lio_target_tpg_attrs[] = {
/* Start items for lio_target_tiqn_cit */
-struct se_portal_group *lio_target_tiqn_addtpg(
+static struct se_portal_group *lio_target_tiqn_addtpg(
struct se_wwn *wwn,
struct config_group *group,
const char *name)
@@ -1216,7 +1220,7 @@ out:
return NULL;
}
-void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg)
+static void lio_target_tiqn_deltpg(struct se_portal_group *se_tpg)
{
struct iscsi_portal_group *tpg;
struct iscsi_tiqn *tiqn;
@@ -1248,7 +1252,7 @@ static struct configfs_attribute *lio_target_wwn_attrs[] = {
NULL,
};
-struct se_wwn *lio_target_call_coreaddtiqn(
+static struct se_wwn *lio_target_call_coreaddtiqn(
struct target_fabric_configfs *tf,
struct config_group *group,
const char *name)
@@ -1296,7 +1300,7 @@ struct se_wwn *lio_target_call_coreaddtiqn(
return &tiqn->tiqn_wwn;
}
-void lio_target_call_coredeltiqn(
+static void lio_target_call_coredeltiqn(
struct se_wwn *wwn)
{
struct iscsi_tiqn *tiqn = container_of(wwn, struct iscsi_tiqn, tiqn_wwn);
@@ -1471,7 +1475,8 @@ static u32 iscsi_get_task_tag(struct se_cmd *se_cmd)
{
struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
- return cmd->init_task_tag;
+ /* only used for printks or comparism with ->ref_task_tag */
+ return (__force u32)cmd->init_task_tag;
}
static int iscsi_get_cmd_state(struct se_cmd *se_cmd)
@@ -1542,29 +1547,6 @@ static int lio_queue_status(struct se_cmd *se_cmd)
return 0;
}
-static u16 lio_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
- unsigned char *buffer = se_cmd->sense_buffer;
- /*
- * From RFC-3720 10.4.7. Data Segment - Sense and Response Data Segment
- * 16-bit SenseLength.
- */
- buffer[0] = ((sense_length >> 8) & 0xff);
- buffer[1] = (sense_length & 0xff);
- /*
- * Return two byte offset into allocated sense_buffer.
- */
- return 2;
-}
-
-static u16 lio_get_fabric_sense_len(void)
-{
- /*
- * Return two byte offset into allocated sense_buffer.
- */
- return 2;
-}
-
static int lio_queue_tm_rsp(struct se_cmd *se_cmd)
{
struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd);
@@ -1748,8 +1730,6 @@ int iscsi_target_register_configfs(void)
fabric->tf_ops.queue_data_in = &lio_queue_data_in;
fabric->tf_ops.queue_status = &lio_queue_status;
fabric->tf_ops.queue_tm_rsp = &lio_queue_tm_rsp;
- fabric->tf_ops.set_fabric_sense_len = &lio_set_fabric_sense_len;
- fabric->tf_ops.get_fabric_sense_len = &lio_get_fabric_sense_len;
/*
* Setup function pointers for generic logic in target_core_fabric_configfs.c
*/
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h
index 8a908b28d8b2..2ba9f9b9435c 100644
--- a/drivers/target/iscsi/iscsi_target_core.h
+++ b/drivers/target/iscsi/iscsi_target_core.h
@@ -25,10 +25,10 @@
#define NA_DATAOUT_TIMEOUT_RETRIES 5
#define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15
#define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1
-#define NA_NOPIN_TIMEOUT 5
+#define NA_NOPIN_TIMEOUT 15
#define NA_NOPIN_TIMEOUT_MAX 60
#define NA_NOPIN_TIMEOUT_MIN 3
-#define NA_NOPIN_RESPONSE_TIMEOUT 5
+#define NA_NOPIN_RESPONSE_TIMEOUT 30
#define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60
#define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3
#define NA_RANDOM_DATAIN_PDU_OFFSETS 0
@@ -239,6 +239,7 @@ struct iscsi_conn_ops {
u8 HeaderDigest; /* [0,1] == [None,CRC32C] */
u8 DataDigest; /* [0,1] == [None,CRC32C] */
u32 MaxRecvDataSegmentLength; /* [512..2**24-1] */
+ u32 MaxXmitDataSegmentLength; /* [512..2**24-1] */
u8 OFMarker; /* [0,1] == [No,Yes] */
u8 IFMarker; /* [0,1] == [No,Yes] */
u32 OFMarkInt; /* [1..65535] */
@@ -360,7 +361,7 @@ struct iscsi_cmd {
/* Command flags */
enum cmd_flags_table cmd_flags;
/* Initiator Task Tag assigned from Initiator */
- u32 init_task_tag;
+ itt_t init_task_tag;
/* Target Transfer Tag assigned from Target */
u32 targ_xfer_tag;
/* CmdSN assigned from Initiator */
@@ -478,7 +479,6 @@ struct iscsi_cmd {
struct iscsi_tmr_req {
bool task_reassign:1;
- u32 ref_cmd_sn;
u32 exp_data_sn;
struct iscsi_cmd *ref_cmd;
struct iscsi_conn_recovery *conn_recovery;
@@ -505,7 +505,7 @@ struct iscsi_conn {
u32 auth_id;
u32 conn_flags;
/* Used for iscsi_tx_login_rsp() */
- u32 login_itt;
+ itt_t login_itt;
u32 exp_statsn;
/* Per connection status sequence number */
u32 stat_sn;
@@ -578,6 +578,7 @@ struct iscsi_conn_recovery {
u16 cid;
u32 cmd_count;
u32 maxrecvdatasegmentlength;
+ u32 maxxmitdatasegmentlength;
int ready_for_reallegiance;
struct list_head conn_recovery_cmd_list;
spinlock_t conn_recovery_cmd_lock;
@@ -597,7 +598,7 @@ struct iscsi_session {
/* state session is currently in */
u32 session_state;
/* session wide counter: initiator assigned task tag */
- u32 init_task_tag;
+ itt_t init_task_tag;
/* session wide counter: target assigned task tag */
u32 targ_xfer_tag;
u32 cmdsn_window;
@@ -663,7 +664,7 @@ struct iscsi_login {
u8 version_max;
char isid[6];
u32 cmd_sn;
- u32 init_task_tag;
+ itt_t init_task_tag;
u32 initial_exp_statsn;
u32 rsp_length;
u16 cid;
diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c
index 1a02016ecdab..8aacf611b86d 100644
--- a/drivers/target/iscsi/iscsi_target_erl0.c
+++ b/drivers/target/iscsi/iscsi_target_erl0.c
@@ -48,9 +48,9 @@ void iscsit_set_dataout_sequence_values(
if (cmd->unsolicited_data) {
cmd->seq_start_offset = cmd->write_data_done;
cmd->seq_end_offset = (cmd->write_data_done +
- (cmd->se_cmd.data_length >
- conn->sess->sess_ops->FirstBurstLength) ?
- conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length);
+ ((cmd->se_cmd.data_length >
+ conn->sess->sess_ops->FirstBurstLength) ?
+ conn->sess->sess_ops->FirstBurstLength : cmd->se_cmd.data_length));
return;
}
@@ -95,14 +95,15 @@ static int iscsit_dataout_within_command_recovery_check(
*/
if (conn->sess->sess_ops->DataSequenceInOrder) {
if ((cmd->cmd_flags & ICF_WITHIN_COMMAND_RECOVERY) &&
- (cmd->write_data_done != hdr->offset))
+ cmd->write_data_done != be32_to_cpu(hdr->offset))
goto dump;
cmd->cmd_flags &= ~ICF_WITHIN_COMMAND_RECOVERY;
} else {
struct iscsi_seq *seq;
- seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length);
+ seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset),
+ payload_length);
if (!seq)
return DATAOUT_CANNOT_RECOVER;
/*
@@ -111,15 +112,15 @@ static int iscsit_dataout_within_command_recovery_check(
cmd->seq_ptr = seq;
if (conn->sess->sess_ops->DataPDUInOrder) {
- if ((seq->status ==
- DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) &&
- ((seq->offset != hdr->offset) ||
- (seq->data_sn != hdr->datasn)))
+ if (seq->status ==
+ DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY &&
+ (seq->offset != be32_to_cpu(hdr->offset) ||
+ seq->data_sn != be32_to_cpu(hdr->datasn)))
goto dump;
} else {
- if ((seq->status ==
- DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY) &&
- (seq->data_sn != hdr->datasn))
+ if (seq->status ==
+ DATAOUT_SEQUENCE_WITHIN_COMMAND_RECOVERY &&
+ seq->data_sn != be32_to_cpu(hdr->datasn))
goto dump;
}
@@ -148,12 +149,12 @@ static int iscsit_dataout_check_unsolicited_sequence(
u32 payload_length = ntoh24(hdr->dlength);
- if ((hdr->offset < cmd->seq_start_offset) ||
- ((hdr->offset + payload_length) > cmd->seq_end_offset)) {
+ if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) ||
+ ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) {
pr_err("Command ITT: 0x%08x with Offset: %u,"
" Length: %u outside of Unsolicited Sequence %u:%u while"
" DataSequenceInOrder=Yes.\n", cmd->init_task_tag,
- hdr->offset, payload_length, cmd->seq_start_offset,
+ be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset,
cmd->seq_end_offset);
return DATAOUT_CANNOT_RECOVER;
}
@@ -236,12 +237,12 @@ static int iscsit_dataout_check_sequence(
* fullfilling an Recovery R2T, it's best to just dump the
* payload here, instead of erroring out.
*/
- if ((hdr->offset < cmd->seq_start_offset) ||
- ((hdr->offset + payload_length) > cmd->seq_end_offset)) {
+ if ((be32_to_cpu(hdr->offset) < cmd->seq_start_offset) ||
+ ((be32_to_cpu(hdr->offset) + payload_length) > cmd->seq_end_offset)) {
pr_err("Command ITT: 0x%08x with Offset: %u,"
" Length: %u outside of Sequence %u:%u while"
" DataSequenceInOrder=Yes.\n", cmd->init_task_tag,
- hdr->offset, payload_length, cmd->seq_start_offset,
+ be32_to_cpu(hdr->offset), payload_length, cmd->seq_start_offset,
cmd->seq_end_offset);
if (iscsit_dump_data_payload(conn, payload_length, 1) < 0)
@@ -251,7 +252,8 @@ static int iscsit_dataout_check_sequence(
next_burst_len = (cmd->next_burst_len + payload_length);
} else {
- seq = iscsit_get_seq_holder(cmd, hdr->offset, payload_length);
+ seq = iscsit_get_seq_holder(cmd, be32_to_cpu(hdr->offset),
+ payload_length);
if (!seq)
return DATAOUT_CANNOT_RECOVER;
/*
@@ -366,16 +368,16 @@ static int iscsit_dataout_check_datasn(
data_sn = seq->data_sn;
}
- if (hdr->datasn > data_sn) {
+ if (be32_to_cpu(hdr->datasn) > data_sn) {
pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x"
" higher than expected 0x%08x.\n", cmd->init_task_tag,
- hdr->datasn, data_sn);
+ be32_to_cpu(hdr->datasn), data_sn);
recovery = 1;
goto recover;
- } else if (hdr->datasn < data_sn) {
+ } else if (be32_to_cpu(hdr->datasn) < data_sn) {
pr_err("Command ITT: 0x%08x, received DataSN: 0x%08x"
" lower than expected 0x%08x, discarding payload.\n",
- cmd->init_task_tag, hdr->datasn, data_sn);
+ cmd->init_task_tag, be32_to_cpu(hdr->datasn), data_sn);
dump = 1;
goto dump;
}
@@ -415,26 +417,27 @@ static int iscsit_dataout_pre_datapduinorder_yes(
* error has occured and fail the connection.
*/
if (conn->sess->sess_ops->DataSequenceInOrder) {
- if (hdr->offset != cmd->write_data_done) {
+ if (be32_to_cpu(hdr->offset) != cmd->write_data_done) {
pr_err("Command ITT: 0x%08x, received offset"
" %u different than expected %u.\n", cmd->init_task_tag,
- hdr->offset, cmd->write_data_done);
+ be32_to_cpu(hdr->offset), cmd->write_data_done);
recovery = 1;
goto recover;
}
} else {
struct iscsi_seq *seq = cmd->seq_ptr;
- if (hdr->offset > seq->offset) {
+ if (be32_to_cpu(hdr->offset) > seq->offset) {
pr_err("Command ITT: 0x%08x, received offset"
" %u greater than expected %u.\n", cmd->init_task_tag,
- hdr->offset, seq->offset);
+ be32_to_cpu(hdr->offset), seq->offset);
recovery = 1;
goto recover;
- } else if (hdr->offset < seq->offset) {
+ } else if (be32_to_cpu(hdr->offset) < seq->offset) {
pr_err("Command ITT: 0x%08x, received offset"
" %u less than expected %u, discarding payload.\n",
- cmd->init_task_tag, hdr->offset, seq->offset);
+ cmd->init_task_tag, be32_to_cpu(hdr->offset),
+ seq->offset);
dump = 1;
goto dump;
}
@@ -453,7 +456,7 @@ dump:
return DATAOUT_CANNOT_RECOVER;
return (recovery) ? iscsit_recover_dataout_sequence(cmd,
- hdr->offset, payload_length) :
+ be32_to_cpu(hdr->offset), payload_length) :
(dump) ? DATAOUT_WITHIN_COMMAND_RECOVERY : DATAOUT_NORMAL;
}
@@ -465,7 +468,8 @@ static int iscsit_dataout_pre_datapduinorder_no(
struct iscsi_data *hdr = (struct iscsi_data *) buf;
u32 payload_length = ntoh24(hdr->dlength);
- pdu = iscsit_get_pdu_holder(cmd, hdr->offset, payload_length);
+ pdu = iscsit_get_pdu_holder(cmd, be32_to_cpu(hdr->offset),
+ payload_length);
if (!pdu)
return DATAOUT_CANNOT_RECOVER;
@@ -479,7 +483,7 @@ static int iscsit_dataout_pre_datapduinorder_no(
case ISCSI_PDU_RECEIVED_OK:
pr_err("Command ITT: 0x%08x received already gotten"
" Offset: %u, Length: %u\n", cmd->init_task_tag,
- hdr->offset, payload_length);
+ be32_to_cpu(hdr->offset), payload_length);
return iscsit_dump_data_payload(cmd->conn, payload_length, 1);
default:
return DATAOUT_CANNOT_RECOVER;
@@ -553,7 +557,7 @@ static int iscsit_dataout_post_crc_passed(
if (cmd->unsolicited_data) {
if ((cmd->first_burst_len + payload_length) ==
conn->sess->sess_ops->FirstBurstLength) {
- if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+ if (iscsit_dataout_update_r2t(cmd, be32_to_cpu(hdr->offset),
payload_length) < 0)
return DATAOUT_CANNOT_RECOVER;
send_r2t = 1;
@@ -561,7 +565,8 @@ static int iscsit_dataout_post_crc_passed(
if (!conn->sess->sess_ops->DataPDUInOrder) {
ret = iscsit_dataout_update_datapduinorder_no(cmd,
- hdr->datasn, (hdr->flags & ISCSI_FLAG_CMD_FINAL));
+ be32_to_cpu(hdr->datasn),
+ (hdr->flags & ISCSI_FLAG_CMD_FINAL));
if (ret == DATAOUT_CANNOT_RECOVER)
return ret;
}
@@ -586,7 +591,8 @@ static int iscsit_dataout_post_crc_passed(
if (conn->sess->sess_ops->DataSequenceInOrder) {
if ((cmd->next_burst_len + payload_length) ==
conn->sess->sess_ops->MaxBurstLength) {
- if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+ if (iscsit_dataout_update_r2t(cmd,
+ be32_to_cpu(hdr->offset),
payload_length) < 0)
return DATAOUT_CANNOT_RECOVER;
send_r2t = 1;
@@ -594,7 +600,7 @@ static int iscsit_dataout_post_crc_passed(
if (!conn->sess->sess_ops->DataPDUInOrder) {
ret = iscsit_dataout_update_datapduinorder_no(
- cmd, hdr->datasn,
+ cmd, be32_to_cpu(hdr->datasn),
(hdr->flags & ISCSI_FLAG_CMD_FINAL));
if (ret == DATAOUT_CANNOT_RECOVER)
return ret;
@@ -610,7 +616,8 @@ static int iscsit_dataout_post_crc_passed(
if ((seq->next_burst_len + payload_length) ==
seq->xfer_len) {
- if (iscsit_dataout_update_r2t(cmd, hdr->offset,
+ if (iscsit_dataout_update_r2t(cmd,
+ be32_to_cpu(hdr->offset),
payload_length) < 0)
return DATAOUT_CANNOT_RECOVER;
send_r2t = 1;
@@ -618,7 +625,7 @@ static int iscsit_dataout_post_crc_passed(
if (!conn->sess->sess_ops->DataPDUInOrder) {
ret = iscsit_dataout_update_datapduinorder_no(
- cmd, hdr->datasn,
+ cmd, be32_to_cpu(hdr->datasn),
(hdr->flags & ISCSI_FLAG_CMD_FINAL));
if (ret == DATAOUT_CANNOT_RECOVER)
return ret;
@@ -678,14 +685,15 @@ static int iscsit_dataout_post_crc_failed(
}
recover:
- return iscsit_recover_dataout_sequence(cmd, hdr->offset, payload_length);
+ return iscsit_recover_dataout_sequence(cmd, be32_to_cpu(hdr->offset),
+ payload_length);
}
/*
* Called from iscsit_handle_data_out() before DataOUT Payload is received
* and CRC computed.
*/
-extern int iscsit_check_pre_dataout(
+int iscsit_check_pre_dataout(
struct iscsi_cmd *cmd,
unsigned char *buf)
{
@@ -789,7 +797,7 @@ static void iscsit_handle_time2retain_timeout(unsigned long data)
target_put_session(sess->se_sess);
}
-extern void iscsit_start_time2retain_handler(struct iscsi_session *sess)
+void iscsit_start_time2retain_handler(struct iscsi_session *sess)
{
int tpg_active;
/*
@@ -822,7 +830,7 @@ extern void iscsit_start_time2retain_handler(struct iscsi_session *sess)
/*
* Called with spin_lock_bh(&struct se_portal_group->session_lock) held
*/
-extern int iscsit_stop_time2retain_timer(struct iscsi_session *sess)
+int iscsit_stop_time2retain_timer(struct iscsi_session *sess)
{
struct iscsi_portal_group *tpg = ISCSI_TPG_S(sess);
struct se_portal_group *se_tpg = &tpg->tpg_se_tpg;
@@ -926,7 +934,7 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn)
}
}
-extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
+void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn)
{
spin_lock_bh(&conn->state_lock);
if (atomic_read(&conn->connection_exit)) {
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 3df8a2cef86f..21f29d91a8cb 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -466,7 +466,7 @@ static int iscsit_handle_recovery_datain(
int iscsit_handle_recovery_datain_or_r2t(
struct iscsi_conn *conn,
unsigned char *buf,
- u32 init_task_tag,
+ itt_t init_task_tag,
u32 targ_xfer_tag,
u32 begrun,
u32 runlength)
@@ -498,7 +498,7 @@ int iscsit_handle_recovery_datain_or_r2t(
/* #warning FIXME: Status SNACK needs to be dependent on OPCODE!!! */
int iscsit_handle_status_snack(
struct iscsi_conn *conn,
- u32 init_task_tag,
+ itt_t init_task_tag,
u32 targ_xfer_tag,
u32 begrun,
u32 runlength)
diff --git a/drivers/target/iscsi/iscsi_target_erl1.h b/drivers/target/iscsi/iscsi_target_erl1.h
index 85e67e29de6b..2a3ebf118a34 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.h
+++ b/drivers/target/iscsi/iscsi_target_erl1.h
@@ -7,8 +7,8 @@ extern int iscsit_create_recovery_datain_values_datasequenceinorder_yes(
extern int iscsit_create_recovery_datain_values_datasequenceinorder_no(
struct iscsi_cmd *, struct iscsi_datain_req *);
extern int iscsit_handle_recovery_datain_or_r2t(struct iscsi_conn *, unsigned char *,
- u32, u32, u32, u32);
-extern int iscsit_handle_status_snack(struct iscsi_conn *, u32, u32,
+ itt_t, u32, u32, u32);
+extern int iscsit_handle_status_snack(struct iscsi_conn *, itt_t, u32,
u32, u32);
extern int iscsit_handle_data_ack(struct iscsi_conn *, u32, u32, u32);
extern int iscsit_dataout_datapduinorder_no_fbit(struct iscsi_cmd *, struct iscsi_pdu *);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index 65aac14fd831..17d8c20094fd 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -36,7 +36,7 @@
*/
void iscsit_create_conn_recovery_datain_values(
struct iscsi_cmd *cmd,
- u32 exp_data_sn)
+ __be32 exp_data_sn)
{
u32 data_sn = 0;
struct iscsi_conn *conn = cmd->conn;
@@ -44,7 +44,7 @@ void iscsit_create_conn_recovery_datain_values(
cmd->next_burst_len = 0;
cmd->read_data_done = 0;
- while (exp_data_sn > data_sn) {
+ while (be32_to_cpu(exp_data_sn) > data_sn) {
if ((cmd->next_burst_len +
conn->conn_ops->MaxRecvDataSegmentLength) <
conn->sess->sess_ops->MaxBurstLength) {
@@ -193,15 +193,13 @@ int iscsit_remove_active_connection_recovery_entry(
return 0;
}
-int iscsit_remove_inactive_connection_recovery_entry(
+static void iscsit_remove_inactive_connection_recovery_entry(
struct iscsi_conn_recovery *cr,
struct iscsi_session *sess)
{
spin_lock(&sess->cr_i_lock);
list_del(&cr->cr_list);
spin_unlock(&sess->cr_i_lock);
-
- return 0;
}
/*
@@ -421,6 +419,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
cr->cid = conn->cid;
cr->cmd_count = cmd_count;
cr->maxrecvdatasegmentlength = conn->conn_ops->MaxRecvDataSegmentLength;
+ cr->maxxmitdatasegmentlength = conn->conn_ops->MaxXmitDataSegmentLength;
cr->sess = conn->sess;
iscsit_attach_inactive_connection_recovery_entry(conn->sess, cr);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.h b/drivers/target/iscsi/iscsi_target_erl2.h
index 22f8d24780a6..63f2501f3fe0 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.h
+++ b/drivers/target/iscsi/iscsi_target_erl2.h
@@ -1,7 +1,7 @@
#ifndef ISCSI_TARGET_ERL2_H
#define ISCSI_TARGET_ERL2_H
-extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, u32);
+extern void iscsit_create_conn_recovery_datain_values(struct iscsi_cmd *, __be32);
extern void iscsit_create_conn_recovery_dataout_values(struct iscsi_cmd *);
extern struct iscsi_conn_recovery *iscsit_get_inactive_connection_recovery_entry(
struct iscsi_session *, u16);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 6aba4395e8d8..cdc8a10939c3 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -39,10 +39,6 @@
#include "iscsi_target.h"
#include "iscsi_target_parameters.h"
-extern struct idr sess_idr;
-extern struct mutex auth_id_lock;
-extern spinlock_t sess_idr_lock;
-
static int iscsi_login_init_conn(struct iscsi_conn *conn)
{
INIT_LIST_HEAD(&conn->conn_list);
@@ -196,10 +192,10 @@ int iscsi_check_for_session_reinstatement(struct iscsi_conn *conn)
static void iscsi_login_set_conn_values(
struct iscsi_session *sess,
struct iscsi_conn *conn,
- u16 cid)
+ __be16 cid)
{
conn->sess = sess;
- conn->cid = cid;
+ conn->cid = be16_to_cpu(cid);
/*
* Generate a random Status sequence number (statsn) for the new
* iSCSI connection.
@@ -234,7 +230,7 @@ static int iscsi_login_zero_tsih_s1(
iscsi_login_set_conn_values(sess, conn, pdu->cid);
sess->init_task_tag = pdu->itt;
memcpy(&sess->isid, pdu->isid, 6);
- sess->exp_cmd_sn = pdu->cmdsn;
+ sess->exp_cmd_sn = be32_to_cpu(pdu->cmdsn);
INIT_LIST_HEAD(&sess->sess_conn_list);
INIT_LIST_HEAD(&sess->sess_ooo_cmdsn_list);
INIT_LIST_HEAD(&sess->cr_active_list);
@@ -275,7 +271,7 @@ static int iscsi_login_zero_tsih_s1(
* The FFP CmdSN window values will be allocated from the TPG's
* Initiator Node's ACL once the login has been successfully completed.
*/
- sess->max_cmd_sn = pdu->cmdsn;
+ sess->max_cmd_sn = be32_to_cpu(pdu->cmdsn);
sess->sess_ops = kzalloc(sizeof(struct iscsi_sess_ops), GFP_KERNEL);
if (!sess->sess_ops) {
@@ -453,7 +449,7 @@ static int iscsi_login_non_zero_tsih_s2(
(sess_p->time2retain_timer_flags & ISCSI_TF_EXPIRED))
continue;
if (!memcmp(sess_p->isid, pdu->isid, 6) &&
- (sess_p->tsih == pdu->tsih)) {
+ (sess_p->tsih == be16_to_cpu(pdu->tsih))) {
iscsit_inc_session_usage_count(sess_p);
iscsit_stop_time2retain_timer(sess_p);
sess = sess_p;
@@ -955,11 +951,7 @@ static int __iscsi_target_login_thread(struct iscsi_np *np)
}
pdu = (struct iscsi_login_req *) buffer;
- pdu->cid = be16_to_cpu(pdu->cid);
- pdu->tsih = be16_to_cpu(pdu->tsih);
- pdu->itt = be32_to_cpu(pdu->itt);
- pdu->cmdsn = be32_to_cpu(pdu->cmdsn);
- pdu->exp_statsn = be32_to_cpu(pdu->exp_statsn);
+
/*
* Used by iscsit_tx_login_rsp() for Login Resonses PDUs
* when Status-Class != 0.
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c
index 2dba448cac19..e9053a04f24c 100644
--- a/drivers/target/iscsi/iscsi_target_nego.c
+++ b/drivers/target/iscsi/iscsi_target_nego.c
@@ -44,7 +44,7 @@ void convert_null_to_semi(char *buf, int len)
buf[i] = ';';
}
-int strlen_semi(char *buf)
+static int strlen_semi(char *buf)
{
int i = 0;
@@ -339,14 +339,14 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log
hton24(login_rsp->dlength, login->rsp_length);
memcpy(login_rsp->isid, login->isid, 6);
login_rsp->tsih = cpu_to_be16(login->tsih);
- login_rsp->itt = cpu_to_be32(login->init_task_tag);
+ login_rsp->itt = login->init_task_tag;
login_rsp->statsn = cpu_to_be32(conn->stat_sn++);
login_rsp->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn);
login_rsp->max_cmdsn = cpu_to_be32(conn->sess->max_cmd_sn);
pr_debug("Sending Login Response, Flags: 0x%02x, ITT: 0x%08x,"
" ExpCmdSN; 0x%08x, MaxCmdSN: 0x%08x, StatSN: 0x%08x, Length:"
- " %u\n", login_rsp->flags, ntohl(login_rsp->itt),
+ " %u\n", login_rsp->flags, (__force u32)login_rsp->itt,
ntohl(login_rsp->exp_cmdsn), ntohl(login_rsp->max_cmdsn),
ntohl(login_rsp->statsn), login->rsp_length);
@@ -360,12 +360,9 @@ static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_log
return -1;
login->rsp_length = 0;
- login_rsp->tsih = be16_to_cpu(login_rsp->tsih);
- login_rsp->itt = be32_to_cpu(login_rsp->itt);
- login_rsp->statsn = be32_to_cpu(login_rsp->statsn);
mutex_lock(&sess->cmdsn_mutex);
- login_rsp->exp_cmdsn = be32_to_cpu(sess->exp_cmd_sn);
- login_rsp->max_cmdsn = be32_to_cpu(sess->max_cmd_sn);
+ login_rsp->exp_cmdsn = cpu_to_be32(sess->exp_cmd_sn);
+ login_rsp->max_cmdsn = cpu_to_be32(sess->max_cmd_sn);
mutex_unlock(&sess->cmdsn_mutex);
return 0;
@@ -381,11 +378,6 @@ static int iscsi_target_do_rx_login_io(struct iscsi_conn *conn, struct iscsi_log
login_req = (struct iscsi_login_req *) login->req;
payload_length = ntoh24(login_req->dlength);
- login_req->tsih = be16_to_cpu(login_req->tsih);
- login_req->itt = be32_to_cpu(login_req->itt);
- login_req->cid = be16_to_cpu(login_req->cid);
- login_req->cmdsn = be32_to_cpu(login_req->cmdsn);
- login_req->exp_statsn = be32_to_cpu(login_req->exp_statsn);
pr_debug("Got Login Command, Flags 0x%02x, ITT: 0x%08x,"
" CmdSN: 0x%08x, ExpStatSN: 0x%08x, CID: %hu, Length: %u\n",
@@ -550,7 +542,7 @@ static int iscsi_target_handle_csg_zero(
SENDER_INITIATOR|SENDER_RECEIVER,
login->req_buf,
payload_length,
- conn->param_list);
+ conn);
if (ret < 0)
return -1;
@@ -627,7 +619,7 @@ static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_log
SENDER_INITIATOR|SENDER_RECEIVER,
login->req_buf,
payload_length,
- conn->param_list);
+ conn);
if (ret < 0)
return -1;
@@ -762,11 +754,11 @@ static int iscsi_target_locate_portal(
login->version_min = login_req->min_version;
login->version_max = login_req->max_version;
memcpy(login->isid, login_req->isid, 6);
- login->cmd_sn = login_req->cmdsn;
+ login->cmd_sn = be32_to_cpu(login_req->cmdsn);
login->init_task_tag = login_req->itt;
- login->initial_exp_statsn = login_req->exp_statsn;
- login->cid = login_req->cid;
- login->tsih = login_req->tsih;
+ login->initial_exp_statsn = be32_to_cpu(login_req->exp_statsn);
+ login->cid = be16_to_cpu(login_req->cid);
+ login->tsih = be16_to_cpu(login_req->tsih);
if (iscsi_target_get_initial_payload(conn, login) < 0)
return -1;
@@ -1000,7 +992,6 @@ struct iscsi_login *iscsi_target_init_negotiation(
* Locates Target Portal from NP -> Target IQN
*/
if (iscsi_target_locate_portal(np, conn, login) < 0) {
- pr_err("iSCSI Login negotiation failed.\n");
goto out;
}
diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
index 240f7aa76ed1..90b740048f26 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.c
+++ b/drivers/target/iscsi/iscsi_target_parameters.c
@@ -334,6 +334,13 @@ int iscsi_create_default_params(struct iscsi_param_list **param_list_ptr)
if (!param)
goto out;
+ param = iscsi_set_default_param(pl, MAXXMITDATASEGMENTLENGTH,
+ INITIAL_MAXXMITDATASEGMENTLENGTH,
+ PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
+ TYPERANGE_512_TO_16777215, USE_ALL);
+ if (!param)
+ goto out;
+
param = iscsi_set_default_param(pl, MAXRECVDATASEGMENTLENGTH,
INITIAL_MAXRECVDATASEGMENTLENGTH,
PHASE_OPERATIONAL, SCOPE_CONNECTION_ONLY, SENDER_BOTH,
@@ -467,6 +474,8 @@ int iscsi_set_keys_to_negotiate(
SET_PSTATE_NEGOTIATE(param);
} else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
SET_PSTATE_NEGOTIATE(param);
+ } else if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) {
+ continue;
} else if (!strcmp(param->name, MAXBURSTLENGTH)) {
SET_PSTATE_NEGOTIATE(param);
} else if (!strcmp(param->name, FIRSTBURSTLENGTH)) {
@@ -1056,7 +1065,8 @@ out:
return proposer_values;
}
-static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value)
+static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value,
+ struct iscsi_conn *conn)
{
u8 acceptor_boolean_value = 0, proposer_boolean_value = 0;
char *negoitated_value = NULL;
@@ -1131,8 +1141,35 @@ static int iscsi_check_acceptor_state(struct iscsi_param *param, char *value)
return -1;
}
- if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH))
- SET_PSTATE_REPLY_OPTIONAL(param);
+ if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
+ struct iscsi_param *param_mxdsl;
+ unsigned long long tmp;
+ int rc;
+
+ rc = strict_strtoull(param->value, 0, &tmp);
+ if (rc < 0)
+ return -1;
+
+ conn->conn_ops->MaxRecvDataSegmentLength = tmp;
+ pr_debug("Saving op->MaxRecvDataSegmentLength from"
+ " original initiator received value: %u\n",
+ conn->conn_ops->MaxRecvDataSegmentLength);
+
+ param_mxdsl = iscsi_find_param_from_key(
+ MAXXMITDATASEGMENTLENGTH,
+ conn->param_list);
+ if (!param_mxdsl)
+ return -1;
+
+ rc = iscsi_update_param_value(param,
+ param_mxdsl->value);
+ if (rc < 0)
+ return -1;
+
+ pr_debug("Updated %s to target MXDSL value: %s\n",
+ param->name, param->value);
+ }
+
} else if (IS_TYPE_NUMBER_RANGE(param)) {
negoitated_value = iscsi_get_value_from_number_range(
param, value);
@@ -1526,8 +1563,9 @@ int iscsi_decode_text_input(
u8 sender,
char *textbuf,
u32 length,
- struct iscsi_param_list *param_list)
+ struct iscsi_conn *conn)
{
+ struct iscsi_param_list *param_list = conn->param_list;
char *tmpbuf, *start = NULL, *end = NULL;
tmpbuf = kzalloc(length + 1, GFP_KERNEL);
@@ -1585,7 +1623,7 @@ int iscsi_decode_text_input(
}
SET_PSTATE_RESPONSE_GOT(param);
} else {
- if (iscsi_check_acceptor_state(param, value) < 0) {
+ if (iscsi_check_acceptor_state(param, value, conn) < 0) {
kfree(tmpbuf);
return -1;
}
@@ -1720,6 +1758,18 @@ void iscsi_set_connection_parameters(
pr_debug("---------------------------------------------------"
"---------------\n");
list_for_each_entry(param, &param_list->param_list, p_list) {
+ /*
+ * Special case to set MAXXMITDATASEGMENTLENGTH from the
+ * target requested MaxRecvDataSegmentLength, even though
+ * this key is not sent over the wire.
+ */
+ if (!strcmp(param->name, MAXXMITDATASEGMENTLENGTH)) {
+ ops->MaxXmitDataSegmentLength =
+ simple_strtoul(param->value, &tmpptr, 0);
+ pr_debug("MaxXmitDataSegmentLength: %s\n",
+ param->value);
+ }
+
if (!IS_PSTATE_ACCEPTOR(param) && !IS_PSTATE_PROPOSER(param))
continue;
if (!strcmp(param->name, AUTHMETHOD)) {
@@ -1734,10 +1784,13 @@ void iscsi_set_connection_parameters(
pr_debug("DataDigest: %s\n",
param->value);
} else if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) {
- ops->MaxRecvDataSegmentLength =
- simple_strtoul(param->value, &tmpptr, 0);
- pr_debug("MaxRecvDataSegmentLength: %s\n",
- param->value);
+ /*
+ * At this point iscsi_check_acceptor_state() will have
+ * set ops->MaxRecvDataSegmentLength from the original
+ * initiator provided value.
+ */
+ pr_debug("MaxRecvDataSegmentLength: %u\n",
+ ops->MaxRecvDataSegmentLength);
} else if (!strcmp(param->name, OFMARKER)) {
ops->OFMarker = !strcmp(param->value, YES);
pr_debug("OFMarker: %s\n",
diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
index 6a37fd6f1285..1e1b7504a76b 100644
--- a/drivers/target/iscsi/iscsi_target_parameters.h
+++ b/drivers/target/iscsi/iscsi_target_parameters.h
@@ -36,7 +36,7 @@ extern void iscsi_release_param_list(struct iscsi_param_list *);
extern struct iscsi_param *iscsi_find_param_from_key(char *, struct iscsi_param_list *);
extern int iscsi_extract_key_value(char *, char **, char **);
extern int iscsi_update_param_value(struct iscsi_param *, char *);
-extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_param_list *);
+extern int iscsi_decode_text_input(u8, u8, char *, u32, struct iscsi_conn *);
extern int iscsi_encode_text_output(u8, u8, char *, u32 *,
struct iscsi_param_list *);
extern int iscsi_check_negotiated_keys(struct iscsi_param_list *);
@@ -70,6 +70,7 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
#define INITIALR2T "InitialR2T"
#define IMMEDIATEDATA "ImmediateData"
#define MAXRECVDATASEGMENTLENGTH "MaxRecvDataSegmentLength"
+#define MAXXMITDATASEGMENTLENGTH "MaxXmitDataSegmentLength"
#define MAXBURSTLENGTH "MaxBurstLength"
#define FIRSTBURSTLENGTH "FirstBurstLength"
#define DEFAULTTIME2WAIT "DefaultTime2Wait"
@@ -113,6 +114,10 @@ extern void iscsi_set_session_parameters(struct iscsi_sess_ops *,
#define INITIAL_INITIALR2T YES
#define INITIAL_IMMEDIATEDATA YES
#define INITIAL_MAXRECVDATASEGMENTLENGTH "8192"
+/*
+ * Match outgoing MXDSL default to incoming Open-iSCSI default
+ */
+#define INITIAL_MAXXMITDATASEGMENTLENGTH "262144"
#define INITIAL_MAXBURSTLENGTH "262144"
#define INITIAL_FIRSTBURSTLENGTH "65536"
#define INITIAL_DEFAULTTIME2WAIT "2"
diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
index 85a306e067ba..edb592a368ef 100644
--- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
+++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.c
@@ -219,8 +219,14 @@ static void iscsit_determine_counts_for_list(
int check_immediate = 0;
u32 burstlength = 0, offset = 0;
u32 unsolicited_data_length = 0;
+ u32 mdsl;
struct iscsi_conn *conn = cmd->conn;
+ if (cmd->se_cmd.data_direction == DMA_TO_DEVICE)
+ mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength;
+ else
+ mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength;
+
if ((bl->type == PDULIST_IMMEDIATE) ||
(bl->type == PDULIST_IMMEDIATE_AND_UNSOLICITED))
check_immediate = 1;
@@ -243,14 +249,13 @@ static void iscsit_determine_counts_for_list(
continue;
}
if (unsolicited_data_length > 0) {
- if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
- >= cmd->se_cmd.data_length) {
+ if ((offset + mdsl) >= cmd->se_cmd.data_length) {
unsolicited_data_length -=
(cmd->se_cmd.data_length - offset);
offset += (cmd->se_cmd.data_length - offset);
continue;
}
- if ((offset + conn->conn_ops->MaxRecvDataSegmentLength)
+ if ((offset + mdsl)
>= conn->sess->sess_ops->FirstBurstLength) {
unsolicited_data_length -=
(conn->sess->sess_ops->FirstBurstLength -
@@ -262,17 +267,15 @@ static void iscsit_determine_counts_for_list(
continue;
}
- offset += conn->conn_ops->MaxRecvDataSegmentLength;
- unsolicited_data_length -=
- conn->conn_ops->MaxRecvDataSegmentLength;
+ offset += mdsl;
+ unsolicited_data_length -= mdsl;
continue;
}
- if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
+ if ((offset + mdsl) >= cmd->se_cmd.data_length) {
offset += (cmd->se_cmd.data_length - offset);
continue;
}
- if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
+ if ((burstlength + mdsl) >=
conn->sess->sess_ops->MaxBurstLength) {
offset += (conn->sess->sess_ops->MaxBurstLength -
burstlength);
@@ -281,8 +284,8 @@ static void iscsit_determine_counts_for_list(
continue;
}
- burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
- offset += conn->conn_ops->MaxRecvDataSegmentLength;
+ burstlength += mdsl;
+ offset += mdsl;
}
}
@@ -296,12 +299,17 @@ static int iscsit_do_build_pdu_and_seq_lists(
struct iscsi_build_list *bl)
{
int check_immediate = 0, datapduinorder, datasequenceinorder;
- u32 burstlength = 0, offset = 0, i = 0;
+ u32 burstlength = 0, offset = 0, i = 0, mdsl;
u32 pdu_count = 0, seq_no = 0, unsolicited_data_length = 0;
struct iscsi_conn *conn = cmd->conn;
struct iscsi_pdu *pdu = cmd->pdu_list;
struct iscsi_seq *seq = cmd->seq_list;
+ if (cmd->se_cmd.data_direction == DMA_TO_DEVICE)
+ mdsl = cmd->conn->conn_ops->MaxXmitDataSegmentLength;
+ else
+ mdsl = cmd->conn->conn_ops->MaxRecvDataSegmentLength;
+
datapduinorder = conn->sess->sess_ops->DataPDUInOrder;
datasequenceinorder = conn->sess->sess_ops->DataSequenceInOrder;
@@ -348,9 +356,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
continue;
}
if (unsolicited_data_length > 0) {
- if ((offset +
- conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
+ if ((offset + mdsl) >= cmd->se_cmd.data_length) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_UNSOLICITED;
pdu[i].length =
@@ -367,8 +373,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
offset += (cmd->se_cmd.data_length - offset);
continue;
}
- if ((offset +
- conn->conn_ops->MaxRecvDataSegmentLength) >=
+ if ((offset + mdsl) >=
conn->sess->sess_ops->FirstBurstLength) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_UNSOLICITED;
@@ -396,17 +401,14 @@ static int iscsit_do_build_pdu_and_seq_lists(
if (!datapduinorder) {
pdu[i].type = PDUTYPE_UNSOLICITED;
- pdu[i++].length =
- conn->conn_ops->MaxRecvDataSegmentLength;
+ pdu[i++].length = mdsl;
}
- burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
- offset += conn->conn_ops->MaxRecvDataSegmentLength;
- unsolicited_data_length -=
- conn->conn_ops->MaxRecvDataSegmentLength;
+ burstlength += mdsl;
+ offset += mdsl;
+ unsolicited_data_length -= mdsl;
continue;
}
- if ((offset + conn->conn_ops->MaxRecvDataSegmentLength) >=
- cmd->se_cmd.data_length) {
+ if ((offset + mdsl) >= cmd->se_cmd.data_length) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_NORMAL;
pdu[i].length = (cmd->se_cmd.data_length - offset);
@@ -420,7 +422,7 @@ static int iscsit_do_build_pdu_and_seq_lists(
offset += (cmd->se_cmd.data_length - offset);
continue;
}
- if ((burstlength + conn->conn_ops->MaxRecvDataSegmentLength) >=
+ if ((burstlength + mdsl) >=
conn->sess->sess_ops->MaxBurstLength) {
if (!datapduinorder) {
pdu[i].type = PDUTYPE_NORMAL;
@@ -445,11 +447,10 @@ static int iscsit_do_build_pdu_and_seq_lists(
if (!datapduinorder) {
pdu[i].type = PDUTYPE_NORMAL;
- pdu[i++].length =
- conn->conn_ops->MaxRecvDataSegmentLength;
+ pdu[i++].length = mdsl;
}
- burstlength += conn->conn_ops->MaxRecvDataSegmentLength;
- offset += conn->conn_ops->MaxRecvDataSegmentLength;
+ burstlength += mdsl;
+ offset += mdsl;
}
if (!datasequenceinorder) {
diff --git a/drivers/target/iscsi/iscsi_target_tmr.c b/drivers/target/iscsi/iscsi_target_tmr.c
index f62fe123d902..4a99820d063b 100644
--- a/drivers/target/iscsi/iscsi_target_tmr.c
+++ b/drivers/target/iscsi/iscsi_target_tmr.c
@@ -50,21 +50,20 @@ u8 iscsit_tmr_abort_task(
if (!ref_cmd) {
pr_err("Unable to locate RefTaskTag: 0x%08x on CID:"
" %hu.\n", hdr->rtt, conn->cid);
- return ((hdr->refcmdsn >= conn->sess->exp_cmd_sn) &&
- (hdr->refcmdsn <= conn->sess->max_cmd_sn)) ?
+ return (be32_to_cpu(hdr->refcmdsn) >= conn->sess->exp_cmd_sn &&
+ be32_to_cpu(hdr->refcmdsn) <= conn->sess->max_cmd_sn) ?
ISCSI_TMF_RSP_COMPLETE : ISCSI_TMF_RSP_NO_TASK;
}
- if (ref_cmd->cmd_sn != hdr->refcmdsn) {
+ if (ref_cmd->cmd_sn != be32_to_cpu(hdr->refcmdsn)) {
pr_err("RefCmdSN 0x%08x does not equal"
" task's CmdSN 0x%08x. Rejecting ABORT_TASK.\n",
hdr->refcmdsn, ref_cmd->cmd_sn);
return ISCSI_TMF_RSP_REJECTED;
}
- se_tmr->ref_task_tag = hdr->rtt;
+ se_tmr->ref_task_tag = (__force u32)hdr->rtt;
tmr_req->ref_cmd = ref_cmd;
- tmr_req->ref_cmd_sn = hdr->refcmdsn;
- tmr_req->exp_data_sn = hdr->exp_datasn;
+ tmr_req->exp_data_sn = be32_to_cpu(hdr->exp_datasn);
return ISCSI_TMF_RSP_COMPLETE;
}
@@ -146,7 +145,7 @@ u8 iscsit_tmr_task_reassign(
}
/*
* Temporary check to prevent connection recovery for
- * connections with a differing MaxRecvDataSegmentLength.
+ * connections with a differing Max*DataSegmentLength.
*/
if (cr->maxrecvdatasegmentlength !=
conn->conn_ops->MaxRecvDataSegmentLength) {
@@ -155,6 +154,13 @@ u8 iscsit_tmr_task_reassign(
" TMR TASK_REASSIGN.\n");
return ISCSI_TMF_RSP_REJECTED;
}
+ if (cr->maxxmitdatasegmentlength !=
+ conn->conn_ops->MaxXmitDataSegmentLength) {
+ pr_err("Unable to perform connection recovery for"
+ " differing MaxXmitDataSegmentLength, rejecting"
+ " TMR TASK_REASSIGN.\n");
+ return ISCSI_TMF_RSP_REJECTED;
+ }
ref_lun = scsilun_to_int(&hdr->lun);
if (ref_lun != ref_cmd->se_cmd.orig_fe_lun) {
@@ -164,10 +170,9 @@ u8 iscsit_tmr_task_reassign(
return ISCSI_TMF_RSP_REJECTED;
}
- se_tmr->ref_task_tag = hdr->rtt;
+ se_tmr->ref_task_tag = (__force u32)hdr->rtt;
tmr_req->ref_cmd = ref_cmd;
- tmr_req->ref_cmd_sn = hdr->refcmdsn;
- tmr_req->exp_data_sn = hdr->exp_datasn;
+ tmr_req->exp_data_sn = be32_to_cpu(hdr->exp_datasn);
tmr_req->conn_recovery = cr;
tmr_req->task_reassign = 1;
/*
@@ -455,7 +460,7 @@ static int iscsit_task_reassign_complete(
* Right now the only one that its really needed for is
* connection recovery releated TASK_REASSIGN.
*/
-extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
+int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
{
struct iscsi_tmr_req *tmr_req = cmd->tmr_req;
struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req;
@@ -470,7 +475,7 @@ extern int iscsit_tmr_post_handler(struct iscsi_cmd *cmd, struct iscsi_conn *con
/*
* Nothing to do here, but leave it for good measure. :-)
*/
-int iscsit_task_reassign_prepare_read(
+static int iscsit_task_reassign_prepare_read(
struct iscsi_tmr_req *tmr_req,
struct iscsi_conn *conn)
{
@@ -545,7 +550,7 @@ static void iscsit_task_reassign_prepare_unsolicited_dataout(
}
}
-int iscsit_task_reassign_prepare_write(
+static int iscsit_task_reassign_prepare_write(
struct iscsi_tmr_req *tmr_req,
struct iscsi_conn *conn)
{
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index a38a3f8ab0d9..de9ea32b6104 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -677,6 +677,12 @@ int iscsit_ta_generate_node_acls(
pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n",
tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled");
+ if (flag == 1 && a->cache_dynamic_acls == 0) {
+ pr_debug("Explicitly setting cache_dynamic_acls=1 when "
+ "generate_node_acls=1\n");
+ a->cache_dynamic_acls = 1;
+ }
+
return 0;
}
@@ -716,6 +722,12 @@ int iscsit_ta_cache_dynamic_acls(
return -EINVAL;
}
+ if (a->generate_node_acls == 1 && flag == 0) {
+ pr_debug("Skipping cache_dynamic_acls=0 when"
+ " generate_node_acls=1\n");
+ return 0;
+ }
+
a->cache_dynamic_acls = flag;
pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group"
" ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ?
diff --git a/drivers/target/iscsi/iscsi_target_tq.c b/drivers/target/iscsi/iscsi_target_tq.c
index 977e1cf90e83..9d881a000e42 100644
--- a/drivers/target/iscsi/iscsi_target_tq.c
+++ b/drivers/target/iscsi/iscsi_target_tq.c
@@ -40,7 +40,7 @@ static void iscsi_add_ts_to_active_list(struct iscsi_thread_set *ts)
spin_unlock(&active_ts_lock);
}
-extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts)
+static void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *ts)
{
spin_lock(&inactive_ts_lock);
list_add_tail(&ts->ts_list, &inactive_ts_list);
@@ -76,7 +76,7 @@ static struct iscsi_thread_set *iscsi_get_ts_from_inactive_list(void)
return ts;
}
-extern int iscsi_allocate_thread_sets(u32 thread_pair_count)
+int iscsi_allocate_thread_sets(u32 thread_pair_count)
{
int allocated_thread_pair_count = 0, i, thread_id;
struct iscsi_thread_set *ts = NULL;
@@ -140,7 +140,7 @@ extern int iscsi_allocate_thread_sets(u32 thread_pair_count)
return allocated_thread_pair_count;
}
-extern void iscsi_deallocate_thread_sets(void)
+void iscsi_deallocate_thread_sets(void)
{
u32 released_count = 0;
struct iscsi_thread_set *ts = NULL;
diff --git a/drivers/target/iscsi/iscsi_target_tq.h b/drivers/target/iscsi/iscsi_target_tq.h
index 26e6a95ec203..547d11831282 100644
--- a/drivers/target/iscsi/iscsi_target_tq.h
+++ b/drivers/target/iscsi/iscsi_target_tq.h
@@ -5,7 +5,6 @@
* Defines for thread sets.
*/
extern int iscsi_thread_set_force_reinstatement(struct iscsi_conn *);
-extern void iscsi_add_ts_to_inactive_list(struct iscsi_thread_set *);
extern int iscsi_allocate_thread_sets(u32);
extern void iscsi_deallocate_thread_sets(void);
extern void iscsi_activate_thread_set(struct iscsi_conn *, struct iscsi_thread_set *);
diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c
index b42cdeb153df..afd98ccd40ae 100644
--- a/drivers/target/iscsi/iscsi_target_util.c
+++ b/drivers/target/iscsi/iscsi_target_util.c
@@ -274,14 +274,14 @@ static inline int iscsit_check_received_cmdsn(struct iscsi_session *sess, u32 cm
int iscsit_sequence_cmd(
struct iscsi_conn *conn,
struct iscsi_cmd *cmd,
- u32 cmdsn)
+ __be32 cmdsn)
{
int ret;
int cmdsn_ret;
mutex_lock(&conn->sess->cmdsn_mutex);
- cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, cmdsn);
+ cmdsn_ret = iscsit_check_received_cmdsn(conn->sess, be32_to_cpu(cmdsn));
switch (cmdsn_ret) {
case CMDSN_NORMAL_OPERATION:
ret = iscsit_execute_cmd(cmd, 0);
@@ -289,7 +289,7 @@ int iscsit_sequence_cmd(
iscsit_execute_ooo_cmdsns(conn->sess);
break;
case CMDSN_HIGHER_THAN_EXP:
- ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, cmdsn);
+ ret = iscsit_handle_ooo_cmdsn(conn->sess, cmd, be32_to_cpu(cmdsn));
break;
case CMDSN_LOWER_THAN_EXP:
cmd->i_state = ISTATE_REMOVE;
@@ -351,7 +351,7 @@ int iscsit_check_unsolicited_dataout(struct iscsi_cmd *cmd, unsigned char *buf)
struct iscsi_cmd *iscsit_find_cmd_from_itt(
struct iscsi_conn *conn,
- u32 init_task_tag)
+ itt_t init_task_tag)
{
struct iscsi_cmd *cmd;
@@ -371,7 +371,7 @@ struct iscsi_cmd *iscsit_find_cmd_from_itt(
struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(
struct iscsi_conn *conn,
- u32 init_task_tag,
+ itt_t init_task_tag,
u32 length)
{
struct iscsi_cmd *cmd;
@@ -417,7 +417,7 @@ int iscsit_find_cmd_for_recovery(
struct iscsi_session *sess,
struct iscsi_cmd **cmd_ptr,
struct iscsi_conn_recovery **cr_ptr,
- u32 init_task_tag)
+ itt_t init_task_tag)
{
struct iscsi_cmd *cmd = NULL;
struct iscsi_conn_recovery *cr;
@@ -855,7 +855,7 @@ static int iscsit_add_nopin(struct iscsi_conn *conn, int want_response)
cmd->iscsi_opcode = ISCSI_OP_NOOP_IN;
state = (want_response) ? ISTATE_SEND_NOPIN_WANT_RESPONSE :
ISTATE_SEND_NOPIN_NO_RESPONSE;
- cmd->init_task_tag = 0xFFFFFFFF;
+ cmd->init_task_tag = RESERVED_ITT;
spin_lock_bh(&conn->sess->ttt_lock);
cmd->targ_xfer_tag = (want_response) ? conn->sess->targ_xfer_tag++ :
0xFFFFFFFF;
@@ -1222,7 +1222,7 @@ int iscsit_tx_login_rsp(struct iscsi_conn *conn, u8 status_class, u8 status_deta
hdr->opcode = ISCSI_OP_LOGIN_RSP;
hdr->status_class = status_class;
hdr->status_detail = status_detail;
- hdr->itt = cpu_to_be32(conn->login_itt);
+ hdr->itt = conn->login_itt;
iov.iov_base = &iscsi_hdr;
iov.iov_len = ISCSI_HDR_LEN;
diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h
index e1c729b8a1c5..44054bd35437 100644
--- a/drivers/target/iscsi/iscsi_target_util.h
+++ b/drivers/target/iscsi/iscsi_target_util.h
@@ -12,14 +12,14 @@ extern struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *, gfp_t);
extern struct iscsi_seq *iscsit_get_seq_holder_for_datain(struct iscsi_cmd *, u32);
extern struct iscsi_seq *iscsit_get_seq_holder_for_r2t(struct iscsi_cmd *);
extern struct iscsi_r2t *iscsit_get_holder_for_r2tsn(struct iscsi_cmd *, u32);
-int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, u32 cmdsn);
+int iscsit_sequence_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd, __be32 cmdsn);
extern int iscsit_check_unsolicited_dataout(struct iscsi_cmd *, unsigned char *);
-extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, u32);
+extern struct iscsi_cmd *iscsit_find_cmd_from_itt(struct iscsi_conn *, itt_t);
extern struct iscsi_cmd *iscsit_find_cmd_from_itt_or_dump(struct iscsi_conn *,
- u32, u32);
+ itt_t, u32);
extern struct iscsi_cmd *iscsit_find_cmd_from_ttt(struct iscsi_conn *, u32);
extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd **,
- struct iscsi_conn_recovery **, u32);
+ struct iscsi_conn_recovery **, itt_t);
extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *);
extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8);
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 5491c632a15e..2d444b1ccd33 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -166,7 +166,7 @@ static void tcm_loop_submission_work(struct work_struct *work)
struct tcm_loop_tpg *tl_tpg;
struct scatterlist *sgl_bidi = NULL;
u32 sgl_bidi_count = 0;
- int ret;
+ int rc;
tl_hba = *(struct tcm_loop_hba **)shost_priv(sc->device->host);
tl_tpg = &tl_hba->tl_hba_tpgs[sc->device->id];
@@ -187,12 +187,6 @@ static void tcm_loop_submission_work(struct work_struct *work)
set_host_byte(sc, DID_ERROR);
goto out_done;
}
-
- transport_init_se_cmd(se_cmd, tl_tpg->tl_se_tpg.se_tpg_tfo,
- tl_nexus->se_sess,
- scsi_bufflen(sc), sc->sc_data_direction,
- tcm_loop_sam_attr(sc), &tl_cmd->tl_sense_buf[0]);
-
if (scsi_bidi_cmnd(sc)) {
struct scsi_data_buffer *sdb = scsi_in(sc);
@@ -201,56 +195,16 @@ static void tcm_loop_submission_work(struct work_struct *work)
se_cmd->se_cmd_flags |= SCF_BIDI;
}
-
- if (transport_lookup_cmd_lun(se_cmd, tl_cmd->sc->device->lun) < 0) {
- kmem_cache_free(tcm_loop_cmd_cache, tl_cmd);
+ rc = target_submit_cmd_map_sgls(se_cmd, tl_nexus->se_sess, sc->cmnd,
+ &tl_cmd->tl_sense_buf[0], tl_cmd->sc->device->lun,
+ scsi_bufflen(sc), tcm_loop_sam_attr(sc),
+ sc->sc_data_direction, 0,
+ scsi_sglist(sc), scsi_sg_count(sc),
+ sgl_bidi, sgl_bidi_count);
+ if (rc < 0) {
set_host_byte(sc, DID_NO_CONNECT);
goto out_done;
}
-
- /*
- * Because some userspace code via scsi-generic do not memset their
- * associated read buffers, go ahead and do that here for type
- * non-data CDBs. Also note that this is currently guaranteed to be a
- * single SGL for this case by target core in
- * target_setup_cmd_from_cdb() -> transport_generic_cmd_sequencer().
- */
- if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) &&
- se_cmd->data_direction == DMA_FROM_DEVICE) {
- struct scatterlist *sg = scsi_sglist(sc);
- unsigned char *buf = kmap(sg_page(sg)) + sg->offset;
-
- if (buf != NULL) {
- memset(buf, 0, sg->length);
- kunmap(sg_page(sg));
- }
- }
-
- ret = target_setup_cmd_from_cdb(se_cmd, sc->cmnd);
- 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;
- } else if (ret < 0) {
- if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
- tcm_loop_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;
- }
-
- ret = transport_generic_map_mem_to_cmd(se_cmd, scsi_sglist(sc),
- scsi_sg_count(sc), sgl_bidi, sgl_bidi_count);
- if (ret) {
- 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;
out_done:
@@ -846,16 +800,6 @@ static int tcm_loop_queue_tm_rsp(struct se_cmd *se_cmd)
return 0;
}
-static u16 tcm_loop_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
- return 0;
-}
-
-static u16 tcm_loop_get_fabric_sense_len(void)
-{
- return 0;
-}
-
static char *tcm_loop_dump_proto_id(struct tcm_loop_hba *tl_hba)
{
switch (tl_hba->tl_proto_id) {
@@ -1373,8 +1317,6 @@ static int tcm_loop_register_configfs(void)
fabric->tf_ops.queue_data_in = &tcm_loop_queue_data_in;
fabric->tf_ops.queue_status = &tcm_loop_queue_status;
fabric->tf_ops.queue_tm_rsp = &tcm_loop_queue_tm_rsp;
- fabric->tf_ops.set_fabric_sense_len = &tcm_loop_set_fabric_sense_len;
- fabric->tf_ops.get_fabric_sense_len = &tcm_loop_get_fabric_sense_len;
/*
* Setup function pointers for generic logic in target_core_fabric_configfs.c
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 39ddba584b30..0d6d7c1f025e 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -660,8 +660,7 @@ static void session_reconnect_expired(struct sbp_session *sess)
spin_lock_bh(&sess->lock);
list_for_each_entry_safe(login, temp, &sess->login_list, link) {
login->sess = NULL;
- list_del(&login->link);
- list_add_tail(&login->link, &login_list);
+ list_move_tail(&login->link, &login_list);
}
spin_unlock_bh(&sess->lock);
@@ -1847,16 +1846,6 @@ static int sbp_queue_tm_rsp(struct se_cmd *se_cmd)
return 0;
}
-static u16 sbp_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
- return 0;
-}
-
-static u16 sbp_get_fabric_sense_len(void)
-{
- return 0;
-}
-
static int sbp_check_stop_free(struct se_cmd *se_cmd)
{
struct sbp_target_request *req = container_of(se_cmd,
@@ -2068,7 +2057,7 @@ static int sbp_update_unit_directory(struct sbp_tport *tport)
return ret;
}
-static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict)
+static ssize_t sbp_parse_wwn(const char *name, u64 *wwn)
{
const char *cp;
char c, nibble;
@@ -2088,7 +2077,7 @@ static ssize_t sbp_parse_wwn(const char *name, u64 *wwn, int strict)
err = 3;
if (isdigit(c))
nibble = c - '0';
- else if (isxdigit(c) && (islower(c) || !strict))
+ else if (isxdigit(c))
nibble = tolower(c) - 'a' + 10;
else
goto fail;
@@ -2117,7 +2106,7 @@ static struct se_node_acl *sbp_make_nodeacl(
u64 guid = 0;
u32 nexus_depth = 1;
- if (sbp_parse_wwn(name, &guid, 1) < 0)
+ if (sbp_parse_wwn(name, &guid) < 0)
return ERR_PTR(-EINVAL);
se_nacl_new = sbp_alloc_fabric_acl(se_tpg);
@@ -2253,7 +2242,7 @@ static struct se_wwn *sbp_make_tport(
struct sbp_tport *tport;
u64 guid = 0;
- if (sbp_parse_wwn(name, &guid, 1) < 0)
+ if (sbp_parse_wwn(name, &guid) < 0)
return ERR_PTR(-EINVAL);
tport = kzalloc(sizeof(*tport), GFP_KERNEL);
@@ -2534,8 +2523,6 @@ static struct target_core_fabric_ops sbp_ops = {
.queue_data_in = sbp_queue_data_in,
.queue_status = sbp_queue_status,
.queue_tm_rsp = sbp_queue_tm_rsp,
- .get_fabric_sense_len = sbp_get_fabric_sense_len,
- .set_fabric_sense_len = sbp_set_fabric_sense_len,
.check_stop_free = sbp_check_stop_free,
.fabric_make_wwn = sbp_make_tport,
@@ -2556,9 +2543,9 @@ static int sbp_register_configfs(void)
int ret;
fabric = target_fabric_configfs_init(THIS_MODULE, "sbp");
- if (!fabric) {
+ if (IS_ERR(fabric)) {
pr_err("target_fabric_configfs_init() failed\n");
- return -ENOMEM;
+ return PTR_ERR(fabric);
}
fabric->tf_ops = sbp_ops;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 41641ba54828..9a5f9a7aecd2 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -344,7 +344,7 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd)
*/
rtpi = get_unaligned_be16(ptr + 2);
/*
- * Locate the matching relative target port identifer
+ * Locate the matching relative target port identifier
* for the struct se_device storage object.
*/
spin_lock(&dev->se_port_lock);
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 801efa892046..015f5be27bf6 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -457,14 +457,6 @@ static int target_fabric_tf_ops_check(
pr_err("Missing tfo->queue_tm_rsp()\n");
return -EINVAL;
}
- if (!tfo->set_fabric_sense_len) {
- pr_err("Missing tfo->set_fabric_sense_len()\n");
- return -EINVAL;
- }
- if (!tfo->get_fabric_sense_len) {
- pr_err("Missing tfo->get_fabric_sense_len()\n");
- return -EINVAL;
- }
/*
* We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn()
* tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in
@@ -1208,7 +1200,7 @@ static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
" Target Node Endpoint: %s\n", tfo->get_fabric_name(),
tfo->tpg_get_wwn(se_tpg));
len += sprintf(page+len, "SPC-3 Reservation: Relative Port"
- " Identifer Tag: %hu %s Portal Group Tag: %hu"
+ " Identifier Tag: %hu %s Portal Group Tag: %hu"
" %s Logical Unit: %u\n", lun->lun_sep->sep_rtpi,
tfo->get_fabric_name(), tfo->tpg_get_tag(se_tpg),
tfo->get_fabric_name(), lun->unpacked_lun);
@@ -3132,6 +3124,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!target_cg->default_groups) {
pr_err("Unable to allocate target_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
@@ -3147,6 +3140,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!hba_cg->default_groups) {
pr_err("Unable to allocate hba_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
config_group_init_type_name(&alua_group,
@@ -3162,6 +3156,7 @@ static int __init target_core_init_configfs(void)
GFP_KERNEL);
if (!alua_cg->default_groups) {
pr_err("Unable to allocate alua_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
@@ -3173,14 +3168,17 @@ static int __init target_core_init_configfs(void)
* Add core/alua/lu_gps/default_lu_gp
*/
lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1);
- if (IS_ERR(lu_gp))
+ if (IS_ERR(lu_gp)) {
+ ret = -ENOMEM;
goto out_global;
+ }
lu_gp_cg = &alua_lu_gps_group;
lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
GFP_KERNEL);
if (!lu_gp_cg->default_groups) {
pr_err("Unable to allocate lu_gp_cg->default_groups\n");
+ ret = -ENOMEM;
goto out_global;
}
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 9fc9a6006ca0..8d774da16320 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -531,7 +531,7 @@ static struct se_port *core_alloc_port(struct se_device *dev)
}
again:
/*
- * Allocate the next RELATIVE TARGET PORT IDENTIFER for this struct se_device
+ * Allocate the next RELATIVE TARGET PORT IDENTIFIER for this struct se_device
* Here is the table from spc4r17 section 7.7.3.8.
*
* Table 473 -- RELATIVE TARGET PORT IDENTIFIER field
@@ -548,7 +548,7 @@ again:
list_for_each_entry(port_tmp, &dev->dev_sep_list, sep_list) {
/*
- * Make sure RELATIVE TARGET PORT IDENTIFER is unique
+ * Make sure RELATIVE TARGET PORT IDENTIFIER is unique
* for 16-bit wrap..
*/
if (port->sep_rtpi == port_tmp->sep_rtpi)
@@ -595,7 +595,7 @@ static void core_export_port(
}
dev->dev_port_count++;
- port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFER */
+ port->sep_index = port->sep_rtpi; /* RELATIVE TARGET PORT IDENTIFIER */
}
/*
@@ -988,8 +988,9 @@ int se_dev_set_emulate_fua_write(struct se_device *dev, int flag)
return -EINVAL;
}
- if (flag && dev->transport->fua_write_emulated == 0) {
- pr_err("fua_write_emulated not supported\n");
+ if (flag &&
+ dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
+ pr_err("emulate_fua_write not supported for pSCSI\n");
return -EINVAL;
}
dev->se_sub_dev->se_dev_attrib.emulate_fua_write = flag;
@@ -1019,8 +1020,9 @@ int se_dev_set_emulate_write_cache(struct se_device *dev, int flag)
pr_err("Illegal value %d\n", flag);
return -EINVAL;
}
- if (flag && dev->transport->write_cache_emulated == 0) {
- pr_err("write_cache_emulated not supported\n");
+ if (flag &&
+ dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
+ pr_err("emulate_write_cache not supported for pSCSI\n");
return -EINVAL;
}
dev->se_sub_dev->se_dev_attrib.emulate_write_cache = flag;
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index ea479e54f5fd..bca737bb813d 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -22,7 +22,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/init.h>
#include <linux/fs.h>
diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
index 283a36e464e6..e460d6233a0a 100644
--- a/drivers/target/target_core_fabric_lib.c
+++ b/drivers/target/target_core_fabric_lib.c
@@ -338,7 +338,7 @@ u32 iscsi_get_pr_transport_id_len(
* 00b: iSCSI Initiator device TransportID format
*/
if (pr_reg->isid_present_at_reg) {
- len += 5; /* For ",i,0x" ASCII seperator */
+ len += 5; /* For ",i,0x" ASCII separator */
len += 7; /* For iSCSI Initiator Session ID + Null terminator */
*format_code = 1;
} else
@@ -415,20 +415,20 @@ char *iscsi_parse_pr_out_transport_id(
*out_tid_len = (add_len + 4);
}
/*
- * Check for ',i,0x' seperator between iSCSI Name and iSCSI Initiator
+ * Check for ',i,0x' separator between iSCSI Name and iSCSI Initiator
* Session ID as defined in Table 390 - iSCSI initiator port TransportID
* format.
*/
if (format_code == 0x40) {
p = strstr(&buf[4], ",i,0x");
if (!p) {
- pr_err("Unable to locate \",i,0x\" seperator"
+ pr_err("Unable to locate \",i,0x\" separator"
" for Initiator port identifier: %s\n",
&buf[4]);
return NULL;
}
*p = '\0'; /* Terminate iSCSI Name */
- p += 5; /* Skip over ",i,0x" seperator */
+ p += 5; /* Skip over ",i,0x" separator */
*port_nexus_ptr = p;
/*
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index cbb5aaf3e567..0360383dfb94 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -125,6 +125,19 @@ static struct se_device *fd_create_virtdevice(
* of pure timestamp updates.
*/
flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+ /*
+ * Optionally allow fd_buffered_io=1 to be enabled for people
+ * who want use the fs buffer cache as an WriteCache mechanism.
+ *
+ * This means that in event of a hard failure, there is a risk
+ * of silent data-loss if the SCSI client has *not* performed a
+ * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE
+ * to write-out the entire device cache.
+ */
+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+ pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n");
+ flags &= ~O_DSYNC;
+ }
file = filp_open(fd_dev->fd_dev_name, flags, 0600);
if (IS_ERR(file)) {
@@ -188,6 +201,12 @@ static struct se_device *fd_create_virtdevice(
if (!dev)
goto fail;
+ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
+ pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
+ " with FDBD_HAS_BUFFERED_IO_WCE\n");
+ dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
+ }
+
fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
fd_dev->fd_queue_depth = dev->queue_depth;
@@ -407,6 +426,7 @@ enum {
static match_table_t tokens = {
{Opt_fd_dev_name, "fd_dev_name=%s"},
{Opt_fd_dev_size, "fd_dev_size=%s"},
+ {Opt_fd_buffered_io, "fd_buffered_io=%d"},
{Opt_err, NULL}
};
@@ -418,7 +438,7 @@ static ssize_t fd_set_configfs_dev_params(
struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
- int ret = 0, token;
+ int ret = 0, arg, token;
opts = kstrdup(page, GFP_KERNEL);
if (!opts)
@@ -459,6 +479,19 @@ static ssize_t fd_set_configfs_dev_params(
" bytes\n", fd_dev->fd_dev_size);
fd_dev->fbd_flags |= FBDF_HAS_SIZE;
break;
+ case Opt_fd_buffered_io:
+ match_int(args, &arg);
+ if (arg != 1) {
+ pr_err("bogus fd_buffered_io=%d value\n", arg);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ pr_debug("FILEIO: Using buffered I/O"
+ " operations for struct fd_dev\n");
+
+ fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE;
+ break;
default:
break;
}
@@ -490,8 +523,10 @@ static ssize_t fd_show_configfs_dev_params(
ssize_t bl = 0;
bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
- bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n",
- fd_dev->fd_dev_name, fd_dev->fd_dev_size);
+ bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n",
+ fd_dev->fd_dev_name, fd_dev->fd_dev_size,
+ (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ?
+ "Buffered-WCE" : "O_DSYNC");
return bl;
}
@@ -546,8 +581,6 @@ static struct se_subsystem_api fileio_template = {
.name = "fileio",
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
- .write_cache_emulated = 1,
- .fua_write_emulated = 1,
.attach_hba = fd_attach_hba,
.detach_hba = fd_detach_hba,
.allocate_virtdevice = fd_allocate_virtdevice,
diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h
index 70ce7fd7111d..876ae53ef5b8 100644
--- a/drivers/target/target_core_file.h
+++ b/drivers/target/target_core_file.h
@@ -14,6 +14,7 @@
#define FBDF_HAS_PATH 0x01
#define FBDF_HAS_SIZE 0x02
+#define FDBD_HAS_BUFFERED_IO_WCE 0x04
struct fd_dev {
u32 fbd_flags;
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 9ba495477fd2..29408d46a6d9 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -454,14 +454,11 @@ static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba,
ret = -EEXIST;
goto out;
}
- arg_p = match_strdup(&args[0]);
- if (!arg_p) {
- ret = -ENOMEM;
+ if (match_strlcpy(ib_dev->ibd_udev_path, &args[0],
+ SE_UDEV_PATH_LEN) == 0) {
+ ret = -EINVAL;
break;
}
- snprintf(ib_dev->ibd_udev_path, SE_UDEV_PATH_LEN,
- "%s", arg_p);
- kfree(arg_p);
pr_debug("IBLOCK: Referencing UDEV path: %s\n",
ib_dev->ibd_udev_path);
ib_dev->ibd_flags |= IBDF_HAS_UDEV_PATH;
@@ -657,6 +654,12 @@ static int iblock_execute_rw(struct se_cmd *cmd)
goto fail;
cmd->priv = ibr;
+ if (!sgl_nents) {
+ atomic_set(&ibr->pending, 1);
+ iblock_complete_cmd(cmd);
+ return 0;
+ }
+
bio = iblock_get_bio(cmd, block_lba, sgl_nents);
if (!bio)
goto fail_free_ibr;
@@ -769,8 +772,6 @@ static struct se_subsystem_api iblock_template = {
.name = "iblock",
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
- .write_cache_emulated = 1,
- .fua_write_emulated = 1,
.attach_hba = iblock_attach_hba,
.detach_hba = iblock_detach_hba,
.allocate_virtdevice = iblock_allocate_virtdevice,
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 956c84c6b666..8c323a98c4a0 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -197,10 +197,10 @@ int target_scsi2_reservation_release(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
- struct se_portal_group *tpg = sess->se_tpg;
+ struct se_portal_group *tpg;
int ret = 0, rc;
- if (!sess || !tpg)
+ if (!sess || !sess->se_tpg)
goto out;
rc = target_check_scsi2_reservation_conflict(cmd);
if (rc == 1)
@@ -228,6 +228,7 @@ int target_scsi2_reservation_release(struct se_cmd *cmd)
dev->dev_res_bin_isid = 0;
dev->dev_flags &= ~DF_SPC2_RESERVATIONS_WITH_ISID;
}
+ tpg = sess->se_tpg;
pr_debug("SCSI-2 Released reservation for %s LUN: %u ->"
" MAPPED LUN: %u for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
cmd->se_lun->unpacked_lun, cmd->se_deve->mapped_lun,
@@ -245,7 +246,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
- struct se_portal_group *tpg = sess->se_tpg;
+ struct se_portal_group *tpg;
int ret = 0, rc;
if ((cmd->t_task_cdb[1] & 0x01) &&
@@ -260,7 +261,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
* This is currently the case for target_core_mod passthrough struct se_cmd
* ops
*/
- if (!sess || !tpg)
+ if (!sess || !sess->se_tpg)
goto out;
rc = target_check_scsi2_reservation_conflict(cmd);
if (rc == 1)
@@ -272,6 +273,7 @@ int target_scsi2_reservation_reserve(struct se_cmd *cmd)
}
ret = 0;
+ tpg = sess->se_tpg;
spin_lock(&dev->dev_reservation_lock);
if (dev->dev_reserved_node_acl &&
(dev->dev_reserved_node_acl != sess->se_node_acl)) {
@@ -1620,7 +1622,7 @@ static int core_scsi3_decode_spec_i_port(
goto out;
}
/*
- * Locate the desination initiator ACL to be registered
+ * Locate the destination initiator ACL to be registered
* from the decoded fabric module specific TransportID
* at *i_str.
*/
@@ -4257,7 +4259,7 @@ static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
buf[off++] = ((port->sep_rtpi >> 8) & 0xff);
buf[off++] = (port->sep_rtpi & 0xff);
} else
- off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFER */
+ off += 2; /* Skip over RELATIVE TARGET PORT IDENTIFIER */
/*
* Now, have the $FABRIC_MOD fill in the protocol identifier
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 9d7ce3daa262..617c086a8a02 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -264,7 +264,7 @@ pscsi_get_inquiry_vpd_device_ident(struct scsi_device *sdev,
" length zero!\n");
break;
}
- pr_debug("T10 VPD Identifer Length: %d\n", ident_len);
+ pr_debug("T10 VPD Identifier Length: %d\n", ident_len);
vpd = kzalloc(sizeof(struct t10_vpd), GFP_KERNEL);
if (!vpd) {
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index a9dd9469e3bd..868f8aa04f13 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -40,8 +40,9 @@
static int sbc_emulate_readcapacity(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- unsigned char *buf;
unsigned long long blocks_long = dev->transport->get_blocks(dev);
+ unsigned char *rbuf;
+ unsigned char buf[8];
u32 blocks;
if (blocks_long >= 0x00000000ffffffff)
@@ -49,8 +50,6 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
else
blocks = (u32)blocks_long;
- buf = transport_kmap_data_sg(cmd);
-
buf[0] = (blocks >> 24) & 0xff;
buf[1] = (blocks >> 16) & 0xff;
buf[2] = (blocks >> 8) & 0xff;
@@ -60,7 +59,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
buf[6] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff;
buf[7] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff;
- transport_kunmap_data_sg(cmd);
+ rbuf = transport_kmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+ transport_kunmap_data_sg(cmd);
+ }
target_complete_cmd(cmd, GOOD);
return 0;
@@ -69,11 +72,11 @@ static int sbc_emulate_readcapacity(struct se_cmd *cmd)
static int sbc_emulate_readcapacity_16(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- unsigned char *buf;
+ unsigned char *rbuf;
+ unsigned char buf[32];
unsigned long long blocks = dev->transport->get_blocks(dev);
- buf = transport_kmap_data_sg(cmd);
-
+ memset(buf, 0, sizeof(buf));
buf[0] = (blocks >> 56) & 0xff;
buf[1] = (blocks >> 48) & 0xff;
buf[2] = (blocks >> 40) & 0xff;
@@ -93,7 +96,11 @@ static int sbc_emulate_readcapacity_16(struct se_cmd *cmd)
if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
buf[14] = 0x80;
- transport_kunmap_data_sg(cmd);
+ rbuf = transport_kmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+ transport_kunmap_data_sg(cmd);
+ }
target_complete_cmd(cmd, GOOD);
return 0;
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 388a922c8f6d..9229bd9ad61b 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -600,30 +600,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg;
- unsigned char *buf, *map_buf;
+ unsigned char *rbuf;
unsigned char *cdb = cmd->t_task_cdb;
+ unsigned char buf[SE_INQUIRY_BUF];
int p, ret;
- map_buf = transport_kmap_data_sg(cmd);
- /*
- * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we
- * know we actually allocated a full page. Otherwise, if the
- * data buffer is too small, allocate a temporary buffer so we
- * don't have to worry about overruns in all our INQUIRY
- * emulation handling.
- */
- if (cmd->data_length < SE_INQUIRY_BUF &&
- (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) {
- buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL);
- if (!buf) {
- transport_kunmap_data_sg(cmd);
- cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
- return -ENOMEM;
- }
- } else {
- buf = map_buf;
- }
-
if (dev == tpg->tpg_virt_lun0.lun_se_dev)
buf[0] = 0x3f; /* Not connected */
else
@@ -655,11 +636,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd)
ret = -EINVAL;
out:
- if (buf != map_buf) {
- memcpy(map_buf, buf, cmd->data_length);
- kfree(buf);
+ rbuf = transport_kmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length));
+ transport_kunmap_data_sg(cmd);
}
- transport_kunmap_data_sg(cmd);
if (!ret)
target_complete_cmd(cmd, GOOD);
@@ -803,7 +784,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
unsigned char *rbuf;
int type = dev->transport->get_device_type(dev);
int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10);
- int offset = ten ? 8 : 4;
+ u32 offset = ten ? 8 : 4;
int length = 0;
unsigned char buf[SE_MODE_PAGE_BUF];
@@ -836,6 +817,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
offset -= 2;
buf[0] = (offset >> 8) & 0xff;
buf[1] = offset & 0xff;
+ offset += 2;
if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
(cmd->se_deve &&
@@ -845,13 +827,10 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[3], type);
-
- if ((offset + 2) > cmd->data_length)
- offset = cmd->data_length;
-
} else {
offset -= 1;
buf[0] = offset & 0xff;
+ offset += 1;
if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) ||
(cmd->se_deve &&
@@ -861,14 +840,13 @@ static int spc_emulate_modesense(struct se_cmd *cmd)
if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
(dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[2], type);
-
- if ((offset + 1) > cmd->data_length)
- offset = cmd->data_length;
}
rbuf = transport_kmap_data_sg(cmd);
- memcpy(rbuf, buf, offset);
- transport_kunmap_data_sg(cmd);
+ if (rbuf) {
+ memcpy(rbuf, buf, min(offset, cmd->data_length));
+ transport_kunmap_data_sg(cmd);
+ }
target_complete_cmd(cmd, GOOD);
return 0;
diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c
index 3d44beb0cf1f..cb6b0036ae95 100644
--- a/drivers/target/target_core_stat.c
+++ b/drivers/target/target_core_stat.c
@@ -32,7 +32,6 @@
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/string.h>
-#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index b8628a5014b9..a531fe282b1e 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -303,7 +303,7 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
}
/*
* Here we only create demo-mode MappedLUNs from the active
- * TPG LUNs if the fabric is not explictly asking for
+ * TPG LUNs if the fabric is not explicitly asking for
* tpg_check_demo_mode_login_only() == 1.
*/
if ((tpg->se_tpg_tfo->tpg_check_demo_mode_login_only == NULL) ||
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 269f54488397..c33baff86aa6 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -55,8 +55,6 @@
#include "target_core_pr.h"
#include "target_core_ua.h"
-static int sub_api_initialized;
-
static struct workqueue_struct *target_completion_wq;
static struct kmem_cache *se_sess_cache;
struct kmem_cache *se_ua_cache;
@@ -195,6 +193,7 @@ u32 scsi_get_new_index(scsi_index_t type)
void transport_subsystem_check_init(void)
{
int ret;
+ static int sub_api_initialized;
if (sub_api_initialized)
return;
@@ -211,12 +210,7 @@ void transport_subsystem_check_init(void)
if (ret != 0)
pr_err("Unable to load target_core_pscsi\n");
- ret = request_module("target_core_stgt");
- if (ret != 0)
- pr_err("Unable to load target_core_stgt\n");
-
sub_api_initialized = 1;
- return;
}
struct se_session *transport_init_session(void)
@@ -573,9 +567,7 @@ static void target_complete_failure_work(struct work_struct *work)
*/
static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
{
- unsigned char *buffer = cmd->sense_buffer;
struct se_device *dev = cmd->se_dev;
- u32 offset = 0;
WARN_ON(!cmd->se_lun);
@@ -585,14 +577,11 @@ static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd)
if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION)
return NULL;
- offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER);
-
- /* Automatically padded */
- cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
+ cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
pr_debug("HBA_[%u]_PLUG[%s]: Requesting sense for SAM STATUS: 0x%02x\n",
dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status);
- return &buffer[offset];
+ return cmd->sense_buffer;
}
void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
@@ -969,7 +958,7 @@ int
transport_set_vpd_ident(struct t10_vpd *vpd, unsigned char *page_83)
{
static const char hex_str[] = "0123456789abcdef";
- int j = 0, i = 4; /* offset to start of the identifer */
+ int j = 0, i = 4; /* offset to start of the identifier */
/*
* The VPD Code Set (encoding)
@@ -1466,8 +1455,9 @@ int transport_handle_cdb_direct(
}
EXPORT_SYMBOL(transport_handle_cdb_direct);
-/**
- * target_submit_cmd - lookup unpacked lun and submit uninitialized se_cmd
+/*
+ * target_submit_cmd_map_sgls - lookup unpacked lun and submit uninitialized
+ * se_cmd + use pre-allocated SGL memory.
*
* @se_cmd: command descriptor to submit
* @se_sess: associated se_sess for endpoint
@@ -1478,6 +1468,10 @@ EXPORT_SYMBOL(transport_handle_cdb_direct);
* @task_addr: SAM task attribute
* @data_dir: DMA data direction
* @flags: flags for command submission from target_sc_flags_tables
+ * @sgl: struct scatterlist memory for unidirectional mapping
+ * @sgl_count: scatterlist count for unidirectional mapping
+ * @sgl_bidi: struct scatterlist memory for bidirectional READ mapping
+ * @sgl_bidi_count: scatterlist count for bidirectional READ mapping
*
* Returns non zero to signal active I/O shutdown failure. All other
* setup exceptions will be returned as a SCSI CHECK_CONDITION response,
@@ -1485,10 +1479,12 @@ EXPORT_SYMBOL(transport_handle_cdb_direct);
*
* 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,
+ */
+int target_submit_cmd_map_sgls(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)
+ u32 data_length, int task_attr, int data_dir, int flags,
+ struct scatterlist *sgl, u32 sgl_count,
+ struct scatterlist *sgl_bidi, u32 sgl_bidi_count)
{
struct se_portal_group *se_tpg;
int rc;
@@ -1535,7 +1531,42 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
transport_generic_request_failure(se_cmd);
return 0;
}
+ /*
+ * When a non zero sgl_count has been passed perform SGL passthrough
+ * mapping for pre-allocated fabric memory instead of having target
+ * core perform an internal SGL allocation..
+ */
+ if (sgl_count != 0) {
+ BUG_ON(!sgl);
+
+ /*
+ * A work-around for tcm_loop as some userspace code via
+ * scsi-generic do not memset their associated read buffers,
+ * so go ahead and do that here for type non-data CDBs. Also
+ * note that this is currently guaranteed to be a single SGL
+ * for this case by target core in target_setup_cmd_from_cdb()
+ * -> transport_generic_cmd_sequencer().
+ */
+ if (!(se_cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) &&
+ se_cmd->data_direction == DMA_FROM_DEVICE) {
+ unsigned char *buf = NULL;
+
+ if (sgl)
+ buf = kmap(sg_page(sgl)) + sgl->offset;
+
+ if (buf) {
+ memset(buf, 0, sgl->length);
+ kunmap(sg_page(sgl));
+ }
+ }
+ rc = transport_generic_map_mem_to_cmd(se_cmd, sgl, sgl_count,
+ sgl_bidi, sgl_bidi_count);
+ if (rc != 0) {
+ transport_generic_request_failure(se_cmd);
+ return 0;
+ }
+ }
/*
* Check if we need to delay processing because of ALUA
* Active/NonOptimized primary access state..
@@ -1545,6 +1576,38 @@ int target_submit_cmd(struct se_cmd *se_cmd, struct se_session *se_sess,
transport_handle_cdb_direct(se_cmd);
return 0;
}
+EXPORT_SYMBOL(target_submit_cmd_map_sgls);
+
+/*
+ * 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
+ *
+ * Returns non zero to signal active I/O shutdown failure. All other
+ * setup exceptions will be returned as a SCSI CHECK_CONDITION response,
+ * but still return zero here.
+ *
+ * This may only be called from process context, and also currently
+ * assumes internal allocation of fabric payload buffer by target-core.
+ *
+ * It also assumes interal target core SGL memory allocation.
+ */
+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)
+{
+ return target_submit_cmd_map_sgls(se_cmd, se_sess, cdb, sense,
+ unpacked_lun, data_length, task_attr, data_dir,
+ flags, NULL, 0, NULL, 0);
+}
EXPORT_SYMBOL(target_submit_cmd);
static void target_complete_tmr_failure(struct work_struct *work)
@@ -2300,23 +2363,6 @@ int transport_generic_new_cmd(struct se_cmd *cmd)
if (ret < 0)
goto out_fail;
}
- /*
- * If this command doesn't have any payload and we don't have to call
- * into the fabric for data transfers, go ahead and complete it right
- * away.
- */
- if (!cmd->data_length &&
- cmd->t_task_cdb[0] != REQUEST_SENSE &&
- cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
- spin_lock_irq(&cmd->t_state_lock);
- cmd->t_state = TRANSPORT_COMPLETE;
- cmd->transport_state |= CMD_T_ACTIVE;
- spin_unlock_irq(&cmd->t_state_lock);
-
- INIT_WORK(&cmd->work, target_complete_ok_work);
- queue_work(target_completion_wq, &cmd->work);
- return 0;
- }
atomic_inc(&cmd->t_fe_count);
@@ -2771,7 +2817,7 @@ bool transport_wait_for_tasks(struct se_cmd *cmd)
spin_lock_irqsave(&cmd->t_state_lock, flags);
cmd->transport_state &= ~(CMD_T_ACTIVE | CMD_T_STOP);
- pr_debug("wait_for_tasks: Stopped wait_for_compltion("
+ pr_debug("wait_for_tasks: Stopped wait_for_completion("
"&cmd->t_transport_stop_comp) for ITT: 0x%08x\n",
cmd->se_tfo->get_task_tag(cmd));
@@ -2810,7 +2856,6 @@ int transport_send_check_condition_and_sense(
{
unsigned char *buffer = cmd->sense_buffer;
unsigned long flags;
- int offset;
u8 asc = 0, ascq = 0;
spin_lock_irqsave(&cmd->t_state_lock, flags);
@@ -2826,14 +2871,7 @@ int transport_send_check_condition_and_sense(
if (!from_transport)
cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE;
- /*
- * Data Segment and SenseLength of the fabric response PDU.
- *
- * TRANSPORT_SENSE_BUFFER is now set to SCSI_SENSE_BUFFERSIZE
- * from include/scsi/scsi_cmnd.h
- */
- offset = cmd->se_tfo->set_fabric_sense_len(cmd,
- TRANSPORT_SENSE_BUFFER);
+
/*
* Actual SENSE DATA, see SPC-3 7.23.2 SPC_SENSE_KEY_OFFSET uses
* SENSE KEY values from include/scsi/scsi.h
@@ -2841,151 +2879,151 @@ int transport_send_check_condition_and_sense(
switch (reason) {
case TCM_NON_EXISTENT_LUN:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT NOT SUPPORTED */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x25;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x25;
break;
case TCM_UNSUPPORTED_SCSI_OPCODE:
case TCM_SECTOR_COUNT_TOO_MANY:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID COMMAND OPERATION CODE */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x20;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x20;
break;
case TCM_UNKNOWN_MODE_PAGE:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID FIELD IN CDB */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x24;
break;
case TCM_CHECK_CONDITION_ABORT_CMD:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+ buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* BUS DEVICE RESET FUNCTION OCCURRED */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x29;
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x03;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x29;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x03;
break;
case TCM_INCORRECT_AMOUNT_OF_DATA:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+ buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* WRITE ERROR */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
/* NOT ENOUGH UNSOLICITED DATA */
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0d;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x0d;
break;
case TCM_INVALID_CDB_FIELD:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID FIELD IN CDB */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x24;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x24;
break;
case TCM_INVALID_PARAMETER_LIST:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* INVALID FIELD IN PARAMETER LIST */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x26;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x26;
break;
case TCM_UNEXPECTED_UNSOLICITED_DATA:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+ buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* WRITE ERROR */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x0c;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x0c;
/* UNEXPECTED_UNSOLICITED_DATA */
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x0c;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x0c;
break;
case TCM_SERVICE_CRC_ERROR:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+ buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* PROTOCOL SERVICE CRC ERROR */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x47;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x47;
/* N/A */
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x05;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x05;
break;
case TCM_SNACK_REJECTED:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ABORTED COMMAND */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
+ buffer[SPC_SENSE_KEY_OFFSET] = ABORTED_COMMAND;
/* READ ERROR */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x11;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x11;
/* FAILED RETRANSMISSION REQUEST */
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = 0x13;
+ buffer[SPC_ASCQ_KEY_OFFSET] = 0x13;
break;
case TCM_WRITE_PROTECTED:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* DATA PROTECT */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
+ buffer[SPC_SENSE_KEY_OFFSET] = DATA_PROTECT;
/* WRITE PROTECTED */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x27;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x27;
break;
case TCM_ADDRESS_OUT_OF_RANGE:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL BLOCK ADDRESS OUT OF RANGE */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x21;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x21;
break;
case TCM_CHECK_CONDITION_UNIT_ATTENTION:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* UNIT ATTENTION */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
+ buffer[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION;
core_scsi3_ua_for_check_condition(cmd, &asc, &ascq);
- buffer[offset+SPC_ASC_KEY_OFFSET] = asc;
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq;
+ buffer[SPC_ASC_KEY_OFFSET] = asc;
+ buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
break;
case TCM_CHECK_CONDITION_NOT_READY:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* Not Ready */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = NOT_READY;
+ buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY;
transport_get_sense_codes(cmd, &asc, &ascq);
- buffer[offset+SPC_ASC_KEY_OFFSET] = asc;
- buffer[offset+SPC_ASCQ_KEY_OFFSET] = ascq;
+ buffer[SPC_ASC_KEY_OFFSET] = asc;
+ buffer[SPC_ASCQ_KEY_OFFSET] = ascq;
break;
case TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE:
default:
/* CURRENT ERROR */
- buffer[offset] = 0x70;
- buffer[offset+SPC_ADD_SENSE_LEN_OFFSET] = 10;
+ buffer[0] = 0x70;
+ buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10;
/* ILLEGAL REQUEST */
- buffer[offset+SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
+ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST;
/* LOGICAL UNIT COMMUNICATION FAILURE */
- buffer[offset+SPC_ASC_KEY_OFFSET] = 0x80;
+ buffer[SPC_ASC_KEY_OFFSET] = 0x80;
break;
}
/*
@@ -2996,7 +3034,7 @@ int transport_send_check_condition_and_sense(
* Automatically padded, this value is encoded in the fabric's
* data_length response PDU containing the SCSI defined sense data.
*/
- cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset;
+ cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER;
after_reason:
return cmd->se_tfo->queue_status(cmd);
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 823e6922249d..b406f178ff39 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -19,7 +19,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/init.h>
#include <linux/slab.h>
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index 9501844fae2d..b74feb0d5133 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -495,16 +495,6 @@ static void ft_set_default_node_attr(struct se_node_acl *se_nacl)
{
}
-static u16 ft_get_fabric_sense_len(void)
-{
- return 0;
-}
-
-static u16 ft_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_len)
-{
- return 0;
-}
-
static u32 ft_tpg_get_inst_index(struct se_portal_group *se_tpg)
{
struct ft_tpg *tpg = se_tpg->se_tpg_fabric_ptr;
@@ -542,8 +532,6 @@ static struct target_core_fabric_ops ft_fabric_ops = {
.queue_data_in = ft_queue_data_in,
.queue_status = ft_queue_status,
.queue_tm_rsp = ft_queue_tm_resp,
- .get_fabric_sense_len = ft_get_fabric_sense_len,
- .set_fabric_sense_len = ft_set_fabric_sense_len,
/*
* Setup function pointers for generic logic in
* target_core_fabric_configfs.c
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index ad36ede1a1ea..b6fd4cf42840 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -28,7 +28,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -328,11 +327,12 @@ drop:
*/
void ft_invl_hw_context(struct ft_cmd *cmd)
{
- struct fc_seq *seq = cmd->seq;
+ struct fc_seq *seq;
struct fc_exch *ep = NULL;
struct fc_lport *lport = NULL;
BUG_ON(!cmd);
+ seq = cmd->seq;
/* Cleanup the DDP context in HW if DDP was setup */
if (cmd->was_ddp_setup && seq) {
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 3c9e5b57caab..9585010964ec 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -19,7 +19,6 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/init.h>
#include <linux/slab.h>
diff --git a/drivers/usb/gadget/tcm_usb_gadget.c b/drivers/usb/gadget/tcm_usb_gadget.c
index eaa1005377fc..97e68b38cfdf 100644
--- a/drivers/usb/gadget/tcm_usb_gadget.c
+++ b/drivers/usb/gadget/tcm_usb_gadget.c
@@ -1472,16 +1472,6 @@ static int usbg_queue_tm_rsp(struct se_cmd *se_cmd)
return 0;
}
-static u16 usbg_set_fabric_sense_len(struct se_cmd *se_cmd, u32 sense_length)
-{
- return 0;
-}
-
-static u16 usbg_get_fabric_sense_len(void)
-{
- return 0;
-}
-
static const char *usbg_check_wwn(const char *name)
{
const char *n;
@@ -1822,7 +1812,7 @@ static ssize_t tcm_usbg_tpg_store_nexus(
ret = tcm_usbg_drop_nexus(tpg);
return (!ret) ? count : ret;
}
- if (strlen(page) > USBG_NAMELEN) {
+ if (strlen(page) >= USBG_NAMELEN) {
pr_err("Emulated NAA Sas Address: %s, exceeds"
" max: %d\n", page, USBG_NAMELEN);
return -EINVAL;
@@ -1907,8 +1897,6 @@ static struct target_core_fabric_ops usbg_ops = {
.queue_data_in = usbg_send_read_response,
.queue_status = usbg_send_status_response,
.queue_tm_rsp = usbg_queue_tm_rsp,
- .get_fabric_sense_len = usbg_get_fabric_sense_len,
- .set_fabric_sense_len = usbg_set_fabric_sense_len,
.check_stop_free = usbg_check_stop_free,
.fabric_make_wwn = usbg_make_tport,
@@ -1968,7 +1956,6 @@ static void usbg_deregister_configfs(void)
static struct usb_interface_descriptor bot_intf_desc = {
.bLength = sizeof(bot_intf_desc),
.bDescriptorType = USB_DT_INTERFACE,
- .bAlternateSetting = 0,
.bNumEndpoints = 2,
.bAlternateSetting = USB_G_ALT_INT_BBB,
.bInterfaceClass = USB_CLASS_MASS_STORAGE,
diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index ed8e2e6c8df2..aa31692064dd 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -330,17 +330,6 @@ static int tcm_vhost_queue_tm_rsp(struct se_cmd *se_cmd)
return 0;
}
-static u16 tcm_vhost_set_fabric_sense_len(struct se_cmd *se_cmd,
- u32 sense_length)
-{
- return 0;
-}
-
-static u16 tcm_vhost_get_fabric_sense_len(void)
-{
- return 0;
-}
-
static void vhost_scsi_free_cmd(struct tcm_vhost_cmd *tv_cmd)
{
struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd;
@@ -426,10 +415,7 @@ static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
{
struct tcm_vhost_cmd *tv_cmd;
struct tcm_vhost_nexus *tv_nexus;
- struct se_portal_group *se_tpg = &tv_tpg->se_tpg;
struct se_session *se_sess;
- struct se_cmd *se_cmd;
- int sam_task_attr;
tv_nexus = tv_tpg->tpg_nexus;
if (!tv_nexus) {
@@ -445,23 +431,11 @@ static struct tcm_vhost_cmd *vhost_scsi_allocate_cmd(
}
INIT_LIST_HEAD(&tv_cmd->tvc_completion_list);
tv_cmd->tvc_tag = v_req->tag;
+ tv_cmd->tvc_task_attr = v_req->task_attr;
+ tv_cmd->tvc_exp_data_len = exp_data_len;
+ tv_cmd->tvc_data_direction = data_direction;
+ tv_cmd->tvc_nexus = tv_nexus;
- se_cmd = &tv_cmd->tvc_se_cmd;
- /*
- * Locate the SAM Task Attr from virtio_scsi_cmd_req
- */
- sam_task_attr = v_req->task_attr;
- /*
- * Initialize struct se_cmd descriptor from TCM infrastructure
- */
- transport_init_se_cmd(se_cmd, se_tpg->se_tpg_tfo, se_sess, exp_data_len,
- data_direction, sam_task_attr,
- &tv_cmd->tvc_sense_buf[0]);
-
-#if 0 /* FIXME: vhost_scsi_allocate_cmd() BIDI operation */
- if (bidi)
- se_cmd->se_cmd_flags |= SCF_BIDI;
-#endif
return tv_cmd;
}
@@ -560,37 +534,10 @@ static void tcm_vhost_submission_work(struct work_struct *work)
{
struct tcm_vhost_cmd *tv_cmd =
container_of(work, struct tcm_vhost_cmd, work);
+ struct tcm_vhost_nexus *tv_nexus;
struct se_cmd *se_cmd = &tv_cmd->tvc_se_cmd;
struct scatterlist *sg_ptr, *sg_bidi_ptr = NULL;
int rc, sg_no_bidi = 0;
- /*
- * Locate the struct se_lun pointer based on v_req->lun, and
- * attach it to struct se_cmd
- */
- rc = transport_lookup_cmd_lun(&tv_cmd->tvc_se_cmd, tv_cmd->tvc_lun);
- if (rc < 0) {
- pr_err("Failed to look up lun: %d\n", tv_cmd->tvc_lun);
- transport_send_check_condition_and_sense(&tv_cmd->tvc_se_cmd,
- tv_cmd->tvc_se_cmd.scsi_sense_reason, 0);
- transport_generic_free_cmd(se_cmd, 0);
- return;
- }
-
- rc = target_setup_cmd_from_cdb(se_cmd, tv_cmd->tvc_cdb);
- if (rc == -ENOMEM) {
- transport_send_check_condition_and_sense(se_cmd,
- TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
- transport_generic_free_cmd(se_cmd, 0);
- return;
- } else if (rc < 0) {
- if (se_cmd->se_cmd_flags & SCF_SCSI_RESERVATION_CONFLICT)
- tcm_vhost_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;
- }
if (tv_cmd->tvc_sgl_count) {
sg_ptr = tv_cmd->tvc_sgl;
@@ -608,17 +555,19 @@ static void tcm_vhost_submission_work(struct work_struct *work)
} else {
sg_ptr = NULL;
}
-
- rc = transport_generic_map_mem_to_cmd(se_cmd, sg_ptr,
- tv_cmd->tvc_sgl_count, sg_bidi_ptr,
- sg_no_bidi);
+ tv_nexus = tv_cmd->tvc_nexus;
+
+ rc = target_submit_cmd_map_sgls(se_cmd, tv_nexus->tvn_se_sess,
+ tv_cmd->tvc_cdb, &tv_cmd->tvc_sense_buf[0],
+ tv_cmd->tvc_lun, tv_cmd->tvc_exp_data_len,
+ tv_cmd->tvc_task_attr, tv_cmd->tvc_data_direction,
+ 0, sg_ptr, tv_cmd->tvc_sgl_count,
+ sg_bidi_ptr, sg_no_bidi);
if (rc < 0) {
transport_send_check_condition_and_sense(se_cmd,
- se_cmd->scsi_sense_reason, 0);
+ TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE, 0);
transport_generic_free_cmd(se_cmd, 0);
- return;
}
- transport_handle_cdb_direct(se_cmd);
}
static void vhost_scsi_handle_vq(struct vhost_scsi *vs)
@@ -1531,8 +1480,6 @@ static struct target_core_fabric_ops tcm_vhost_ops = {
.queue_data_in = tcm_vhost_queue_data_in,
.queue_status = tcm_vhost_queue_status,
.queue_tm_rsp = tcm_vhost_queue_tm_rsp,
- .get_fabric_sense_len = tcm_vhost_get_fabric_sense_len,
- .set_fabric_sense_len = tcm_vhost_set_fabric_sense_len,
/*
* Setup callers for generic logic in target_core_fabric_configfs.c
*/
diff --git a/drivers/vhost/tcm_vhost.h b/drivers/vhost/tcm_vhost.h
index d9e93557d669..7e87c63ecbcd 100644
--- a/drivers/vhost/tcm_vhost.h
+++ b/drivers/vhost/tcm_vhost.h
@@ -5,6 +5,12 @@
struct tcm_vhost_cmd {
/* Descriptor from vhost_get_vq_desc() for virt_queue segment */
int tvc_vq_desc;
+ /* virtio-scsi initiator task attribute */
+ int tvc_task_attr;
+ /* virtio-scsi initiator data direction */
+ enum dma_data_direction tvc_data_direction;
+ /* Expected data transfer length from virtio-scsi header */
+ u32 tvc_exp_data_len;
/* The Tag from include/linux/virtio_scsi.h:struct virtio_scsi_cmd_req */
u64 tvc_tag;
/* The number of scatterlists associated with this cmd */
@@ -17,6 +23,8 @@ struct tcm_vhost_cmd {
struct virtio_scsi_cmd_resp __user *tvc_resp;
/* Pointer to vhost_scsi for our device */
struct vhost_scsi *tvc_vhost;
+ /* Pointer to vhost nexus memory */
+ struct tcm_vhost_nexus *tvc_nexus;
/* The TCM I/O descriptor that is accessed via container_of() */
struct se_cmd tvc_se_cmd;
/* work item used for cmwq dispatch to tcm_vhost_submission_work() */
diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h
index 941c84bf1065..2acd54018b64 100644
--- a/include/target/target_core_backend.h
+++ b/include/target/target_core_backend.h
@@ -13,9 +13,6 @@ struct se_subsystem_api {
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);
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index 69fb3cfd02d7..81ddb4ae6c3f 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -62,8 +62,6 @@ struct target_core_fabric_ops {
int (*queue_data_in)(struct se_cmd *);
int (*queue_status)(struct se_cmd *);
int (*queue_tm_rsp)(struct se_cmd *);
- u16 (*set_fabric_sense_len)(struct se_cmd *, u32);
- u16 (*get_fabric_sense_len)(void);
/*
* fabric module calls for target_core_fabric_configfs.c
*/
@@ -102,6 +100,9 @@ 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 target_setup_cmd_from_cdb(struct se_cmd *, unsigned char *);
+int target_submit_cmd_map_sgls(struct se_cmd *, struct se_session *,
+ unsigned char *, unsigned char *, u32, u32, int, int, int,
+ struct scatterlist *, u32, struct scatterlist *, u32);
int target_submit_cmd(struct se_cmd *, struct se_session *, unsigned char *,
unsigned char *, u32, u32, int, int, int);
int target_submit_tmr(struct se_cmd *se_cmd, struct se_session *se_sess,