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[SCSI] qla4xxx: Exporting new attrs for iscsi session and connection in sysfs 

Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Adheer Chandravanshi 2013-07-01 05:54:13 -04:00 committed by James Bottomley
parent f8525eb4cf
commit 8cc91d4227
1 changed files with 148 additions and 59 deletions
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207
drivers/scsi/qla4xxx/ql4_os.c
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@ -378,6 +378,44 @@ static umode_t qla4_attr_is_visible(int param_type, int param)
case ISCSI_PARAM_PASSWORD:
case ISCSI_PARAM_USERNAME_IN:
case ISCSI_PARAM_PASSWORD_IN:
case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
case ISCSI_PARAM_DISCOVERY_SESS:
case ISCSI_PARAM_PORTAL_TYPE:
case ISCSI_PARAM_CHAP_AUTH_EN:
case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
case ISCSI_PARAM_BIDI_CHAP_EN:
case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
case ISCSI_PARAM_DEF_TIME2WAIT:
case ISCSI_PARAM_DEF_TIME2RETAIN:
case ISCSI_PARAM_HDRDGST_EN:
case ISCSI_PARAM_DATADGST_EN:
case ISCSI_PARAM_INITIAL_R2T_EN:
case ISCSI_PARAM_IMM_DATA_EN:
case ISCSI_PARAM_PDU_INORDER_EN:
case ISCSI_PARAM_DATASEQ_INORDER_EN:
case ISCSI_PARAM_MAX_SEGMENT_SIZE:
case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
case ISCSI_PARAM_TCP_WSF_DISABLE:
case ISCSI_PARAM_TCP_NAGLE_DISABLE:
case ISCSI_PARAM_TCP_TIMER_SCALE:
case ISCSI_PARAM_TCP_TIMESTAMP_EN:
case ISCSI_PARAM_TCP_XMIT_WSF:
case ISCSI_PARAM_TCP_RECV_WSF:
case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
case ISCSI_PARAM_IPV4_TOS:
case ISCSI_PARAM_IPV6_TC:
case ISCSI_PARAM_IPV6_FLOW_LABEL:
case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
case ISCSI_PARAM_KEEPALIVE_TMO:
case ISCSI_PARAM_LOCAL_PORT:
case ISCSI_PARAM_ISID:
case ISCSI_PARAM_TSID:
case ISCSI_PARAM_DEF_TASKMGMT_TMO:
case ISCSI_PARAM_ERL:
case ISCSI_PARAM_STATSN:
case ISCSI_PARAM_EXP_STATSN:
case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
return S_IRUGO;
default:
return 0;
@ -2257,6 +2295,101 @@ static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
return rc;
}
static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
struct iscsi_session *sess,
struct dev_db_entry *fw_ddb_entry)
{
unsigned long options = 0;
uint16_t ddb_link;
uint16_t disc_parent;
options = le16_to_cpu(fw_ddb_entry->options);
conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
&options);
sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
options = le16_to_cpu(fw_ddb_entry->iscsi_options);
conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
&options);
sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
&options);
sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
sess->discovery_auth_optional =
test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
if (test_bit(ISCSIOPT_ERL1, &options))
sess->erl |= BIT_1;
if (test_bit(ISCSIOPT_ERL0, &options))
sess->erl |= BIT_0;
options = le16_to_cpu(fw_ddb_entry->tcp_options);
conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
if (test_bit(TCPOPT_TIMER_SCALE3, &options))
conn->tcp_timer_scale |= BIT_3;
if (test_bit(TCPOPT_TIMER_SCALE2, &options))
conn->tcp_timer_scale |= BIT_2;
if (test_bit(TCPOPT_TIMER_SCALE1, &options))
conn->tcp_timer_scale |= BIT_1;
conn->tcp_timer_scale >>= 1;
conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
options = le16_to_cpu(fw_ddb_entry->ip_options);
conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
conn->max_xmit_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
sess->first_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
sess->max_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
COPY_ISID(sess->isid, fw_ddb_entry->isid);
ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
if (ddb_link < MAX_DDB_ENTRIES)
sess->discovery_parent_idx = ddb_link;
else
sess->discovery_parent_idx = DDB_NO_LINK;
if (ddb_link == DDB_ISNS)
disc_parent = ISCSI_DISC_PARENT_ISNS;
else if (ddb_link == DDB_NO_LINK)
disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
else if (ddb_link < MAX_DDB_ENTRIES)
disc_parent = ISCSI_DISC_PARENT_SENDTGT;
else
disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
iscsi_get_discovery_parent_name(disc_parent), 0);
iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
(char *)fw_ddb_entry->iscsi_alias, 0);
}
static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
struct dev_db_entry *fw_ddb_entry,
struct iscsi_cls_session *cls_sess,
@ -2275,47 +2408,29 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
conn->max_xmit_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
sess->initial_r2t_en =
(BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
sess->first_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
sess->max_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
memset(ip_addr, 0, sizeof(ip_addr));
options = le16_to_cpu(fw_ddb_entry->options);
if (options & DDB_OPT_IPV6_DEVICE)
sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
else
sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
if (options & DDB_OPT_IPV6_DEVICE) {
iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
memset(ip_addr, 0, sizeof(ip_addr));
sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
} else {
iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
}
iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
(char *)ip_addr, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
(char *)fw_ddb_entry->iscsi_name, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
(char *)ha->name_string, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
(char *)ip_addr, buflen);
iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
(char *)fw_ddb_entry->iscsi_alias, buflen);
}
void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
@ -2403,37 +2518,11 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
/* Update params */
ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
conn->max_recv_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
conn->max_xmit_dlength = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
sess->initial_r2t_en =
(BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
sess->first_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
sess->max_burst = BYTE_UNITS *
le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
memcpy(sess->initiatorname, ha->name_string,
min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
(char *)fw_ddb_entry->iscsi_alias, 0);
exit_session_conn_param:
if (fw_ddb_entry)
dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),