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qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO.

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Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Saurav Kashyap 2014-01-14 20:40:38 -08:00 committed by Nicholas Bellinger
parent 2930d44159
commit 0e8cd71cec
5 changed files with 153 additions and 125 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/qla2xxx/qla_attr.c
View File

@ -1994,6 +1994,8 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
vha->flags.delete_progress = 1;
qlt_remove_target(ha, vha);
fc_remove_host(vha->host);
scsi_remove_host(vha->host);

12
drivers/scsi/qla2xxx/qla_def.h
View File

@ -2750,6 +2750,13 @@ struct qlfc_fw {
uint32_t len;
};
struct scsi_qlt_host {
void *target_lport_ptr;
struct mutex tgt_mutex;
struct mutex tgt_host_action_mutex;
struct qla_tgt *qla_tgt;
};
struct qlt_hw_data {
/* Protected by hw lock */
uint32_t enable_class_2:1;
@ -2765,15 +2772,11 @@ struct qlt_hw_data {
uint32_t __iomem *atio_q_in;
uint32_t __iomem *atio_q_out;
void *target_lport_ptr;
struct qla_tgt_func_tmpl *tgt_ops;
struct qla_tgt *qla_tgt;
struct qla_tgt_cmd *cmds[DEFAULT_OUTSTANDING_COMMANDS];
uint16_t current_handle;
struct qla_tgt_vp_map *tgt_vp_map;
struct mutex tgt_mutex;
struct mutex tgt_host_action_mutex;
int saved_set;
uint16_t saved_exchange_count;
@ -3441,6 +3444,7 @@ typedef struct scsi_qla_host {
#define VP_ERR_FAB_LOGOUT 4
#define VP_ERR_ADAP_NORESOURCES 5
struct qla_hw_data *hw;
struct scsi_qlt_host vha_tgt;
struct req_que *req;
int fw_heartbeat_counter;
int seconds_since_last_heartbeat;

150
drivers/scsi/qla2xxx/qla_target.c
View File

@ -589,7 +589,7 @@ static struct qla_tgt_sess *qlt_create_sess(
/* Check to avoid double sessions */
spin_lock_irqsave(&ha->hardware_lock, flags);
list_for_each_entry(sess, &ha->tgt.qla_tgt->sess_list,
list_for_each_entry(sess, &vha->vha_tgt.qla_tgt->sess_list,
sess_list_entry) {
if (!memcmp(sess->port_name, fcport->port_name, WWN_SIZE)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf005,
@ -626,7 +626,7 @@ static struct qla_tgt_sess *qlt_create_sess(
return NULL;
}
sess->tgt = ha->tgt.qla_tgt;
sess->tgt = vha->vha_tgt.qla_tgt;
sess->vha = vha;
sess->s_id = fcport->d_id;
sess->loop_id = fcport->loop_id;
@ -634,7 +634,7 @@ static struct qla_tgt_sess *qlt_create_sess(
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
"Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
sess, ha->tgt.qla_tgt);
sess, vha->vha_tgt.qla_tgt);
be_sid[0] = sess->s_id.b.domain;
be_sid[1] = sess->s_id.b.area;
@ -661,8 +661,8 @@ static struct qla_tgt_sess *qlt_create_sess(
memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
spin_lock_irqsave(&ha->hardware_lock, flags);
list_add_tail(&sess->sess_list_entry, &ha->tgt.qla_tgt->sess_list);
ha->tgt.qla_tgt->sess_count++;
list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list);
vha->vha_tgt.qla_tgt->sess_count++;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
@ -681,7 +681,7 @@ static struct qla_tgt_sess *qlt_create_sess(
void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess;
unsigned long flags;
@ -691,6 +691,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
if (!tgt || (fcport->port_type != FCT_INITIATOR))
return;
if (qla_ini_mode_enabled(vha))
return;
spin_lock_irqsave(&ha->hardware_lock, flags);
if (tgt->tgt_stop) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@ -700,9 +703,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_create_sess(vha, fcport, false);
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
} else {
@ -738,7 +741,7 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess;
unsigned long flags;
@ -805,12 +808,12 @@ void qlt_stop_phase1(struct qla_tgt *tgt)
* Mutex needed to sync with qla_tgt_fc_port_[added,deleted].
* Lock is needed, because we still can get an incoming packet.
*/
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
tgt->tgt_stop = 1;
qlt_clear_tgt_db(tgt, true);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
flush_delayed_work(&tgt->sess_del_work);
@ -844,20 +847,21 @@ EXPORT_SYMBOL(qlt_stop_phase1);
void qlt_stop_phase2(struct qla_tgt *tgt)
{
struct qla_hw_data *ha = tgt->ha;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
unsigned long flags;
if (tgt->tgt_stopped) {
ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf04f,
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04f,
"Already in tgt->tgt_stopped state\n");
dump_stack();
return;
}
ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00b,
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00b,
"Waiting for %d IRQ commands to complete (tgt %p)",
tgt->irq_cmd_count, tgt);
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
while (tgt->irq_cmd_count != 0) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@ -867,9 +871,9 @@ void qlt_stop_phase2(struct qla_tgt *tgt)
tgt->tgt_stop = 0;
tgt->tgt_stopped = 1;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00c, "Stop of tgt %p finished",
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00c, "Stop of tgt %p finished",
tgt);
}
EXPORT_SYMBOL(qlt_stop_phase2);
@ -877,14 +881,14 @@ EXPORT_SYMBOL(qlt_stop_phase2);
/* Called from qlt_remove_target() -> qla2x00_remove_one() */
static void qlt_release(struct qla_tgt *tgt)
{
struct qla_hw_data *ha = tgt->ha;
scsi_qla_host_t *vha = tgt->vha;
if ((ha->tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
qlt_stop_phase2(tgt);
ha->tgt.qla_tgt = NULL;
vha->vha_tgt.qla_tgt = NULL;
ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00d,
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d,
"Release of tgt %p finished\n", tgt);
kfree(tgt);
@ -948,8 +952,8 @@ static void qlt_send_notify_ack(struct scsi_qla_host *vha,
return;
}
if (ha->tgt.qla_tgt != NULL)
ha->tgt.qla_tgt->notify_ack_expected++;
if (vha->vha_tgt.qla_tgt != NULL)
vha->vha_tgt.qla_tgt->notify_ack_expected++;
pkt->entry_type = NOTIFY_ACK_TYPE;
pkt->entry_count = 1;
@ -1053,7 +1057,7 @@ static void qlt_24xx_send_abts_resp(struct scsi_qla_host *vha,
/* Other bytes are zero */
}
ha->tgt.qla_tgt->abts_resp_expected++;
vha->vha_tgt.qla_tgt->abts_resp_expected++;
qla2x00_start_iocbs(vha, vha->req);
}
@ -1205,7 +1209,7 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha,
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf012,
"qla_target(%d): task abort for non-existant session\n",
vha->vp_idx);
rc = qlt_sched_sess_work(ha->tgt.qla_tgt,
rc = qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
QLA_TGT_SESS_WORK_ABORT, abts, sizeof(*abts));
if (rc != 0) {
qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED,
@ -2156,8 +2160,7 @@ static int qlt_prepare_srr_ctio(struct scsi_qla_host *vha,
struct qla_tgt_cmd *cmd, void *ctio)
{
struct qla_tgt_srr_ctio *sc;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_srr_imm *imm;
tgt->ctio_srr_id++;
@ -2473,7 +2476,7 @@ static void qlt_do_work(struct work_struct *work)
struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
scsi_qla_host_t *vha = cmd->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess = NULL;
struct atio_from_isp *atio = &cmd->atio;
unsigned char *cdb;
@ -2506,10 +2509,10 @@ static void qlt_do_work(struct work_struct *work)
goto out_term;
}
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has an extra creation ref. */
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
if (!sess)
goto out_term;
@ -2575,8 +2578,7 @@ out_term:
static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
struct atio_from_isp *atio)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_cmd *cmd;
if (unlikely(tgt->tgt_stop)) {
@ -2596,7 +2598,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
memcpy(&cmd->atio, atio, sizeof(*atio));
cmd->state = QLA_TGT_STATE_NEW;
cmd->tgt = ha->tgt.qla_tgt;
cmd->tgt = vha->vha_tgt.qla_tgt;
cmd->vha = vha;
INIT_WORK(&cmd->work, qlt_do_work);
@ -2722,7 +2724,7 @@ static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb)
uint32_t lun, unpacked_lun;
int lun_size, fn;
tgt = ha->tgt.qla_tgt;
tgt = vha->vha_tgt.qla_tgt;
lun = a->u.isp24.fcp_cmnd.lun;
lun_size = sizeof(a->u.isp24.fcp_cmnd.lun);
@ -2796,7 +2798,7 @@ static int qlt_abort_task(struct scsi_qla_host *vha,
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf025,
"qla_target(%d): task abort for unexisting "
"session\n", vha->vp_idx);
return qlt_sched_sess_work(ha->tgt.qla_tgt,
return qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
QLA_TGT_SESS_WORK_ABORT, iocb, sizeof(*iocb));
}
@ -2809,7 +2811,6 @@ static int qlt_abort_task(struct scsi_qla_host *vha,
static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
struct imm_ntfy_from_isp *iocb)
{
struct qla_hw_data *ha = vha->hw;
int res = 0;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
@ -2827,7 +2828,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
case ELS_PDISC:
case ELS_ADISC:
{
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
if (tgt->link_reinit_iocb_pending) {
qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
0, 0, 0, 0, 0, 0);
@ -3201,8 +3202,7 @@ static void qlt_prepare_srr_imm(struct scsi_qla_host *vha,
struct imm_ntfy_from_isp *iocb)
{
struct qla_tgt_srr_imm *imm;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_srr_ctio *sctio;
tgt->imm_srr_id++;
@ -3312,7 +3312,7 @@ static void qlt_handle_imm_notify(struct scsi_qla_host *vha,
case IMM_NTFY_LIP_LINK_REINIT:
{
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf033,
"qla_target(%d): LINK REINIT (loop %#x, "
"subcode %x)\n", vha->vp_idx,
@ -3488,7 +3488,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha,
struct atio_from_isp *atio)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
int rc;
if (unlikely(tgt == NULL)) {
@ -3590,7 +3590,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha,
static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
if (unlikely(tgt == NULL)) {
ql_dbg(ql_dbg_tgt, vha, 0xe05d,
@ -3793,7 +3793,7 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
uint16_t *mailbox)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
int login_code;
ql_dbg(ql_dbg_tgt, vha, 0xe039,
@ -3923,14 +3923,14 @@ static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha,
static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha,
uint8_t *s_id)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt_sess *sess = NULL;
fc_port_t *fcport = NULL;
int rc, global_resets;
uint16_t loop_id = 0;
retry:
global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
global_resets =
atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count);
rc = qla24xx_get_loop_id(vha, s_id, &loop_id);
if (rc != 0) {
@ -3957,12 +3957,13 @@ retry:
return NULL;
if (global_resets !=
atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf043,
"qla_target(%d): global reset during session discovery "
"(counter was %d, new %d), retrying", vha->vp_idx,
global_resets,
atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
atomic_read(&vha->vha_tgt.
qla_tgt->tgt_global_resets_count));
goto retry;
}
@ -3997,10 +3998,10 @@ static void qlt_abort_work(struct qla_tgt *tgt,
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has got an extra creation ref */
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!sess)
@ -4051,10 +4052,10 @@ static void qlt_tmr_work(struct qla_tgt *tgt,
if (!sess) {
spin_unlock_irqrestore(&ha->hardware_lock, flags);
mutex_lock(&ha->tgt.tgt_mutex);
mutex_lock(&vha->vha_tgt.tgt_mutex);
sess = qlt_make_local_sess(vha, s_id);
/* sess has got an extra creation ref */
mutex_unlock(&ha->tgt.tgt_mutex);
mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!sess)
@ -4140,9 +4141,9 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
}
ql_dbg(ql_dbg_tgt, base_vha, 0xe03b,
"Registering target for host %ld(%p)", base_vha->host_no, ha);
"Registering target for host %ld(%p).\n", base_vha->host_no, ha);
BUG_ON((ha->tgt.qla_tgt != NULL) || (ha->tgt.tgt_ops != NULL));
BUG_ON(base_vha->vha_tgt.qla_tgt != NULL);
tgt = kzalloc(sizeof(struct qla_tgt), GFP_KERNEL);
if (!tgt) {
@ -4170,7 +4171,7 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
INIT_WORK(&tgt->srr_work, qlt_handle_srr_work);
atomic_set(&tgt->tgt_global_resets_count, 0);
ha->tgt.qla_tgt = tgt;
base_vha->vha_tgt.qla_tgt = tgt;
ql_dbg(ql_dbg_tgt, base_vha, 0xe067,
"qla_target(%d): using 64 Bit PCI addressing",
@ -4191,16 +4192,16 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
/* Must be called under tgt_host_action_mutex */
int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
{
if (!ha->tgt.qla_tgt)
if (!vha->vha_tgt.qla_tgt)
return 0;
mutex_lock(&qla_tgt_mutex);
list_del(&ha->tgt.qla_tgt->tgt_list_entry);
list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
mutex_unlock(&qla_tgt_mutex);
ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)",
vha->host_no, ha);
qlt_release(ha->tgt.qla_tgt);
qlt_release(vha->vha_tgt.qla_tgt);
return 0;
}
@ -4254,9 +4255,6 @@ int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
if (!host)
continue;
if (ha->tgt.tgt_ops != NULL)
continue;
if (!(host->hostt->supported_mode & MODE_TARGET))
continue;
@ -4285,11 +4283,11 @@ int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
* Setup passed parameters ahead of invoking callback
*/
ha->tgt.tgt_ops = qla_tgt_ops;
ha->tgt.target_lport_ptr = target_lport_ptr;
vha->vha_tgt.target_lport_ptr = target_lport_ptr;
rc = (*callback)(vha);
if (rc != 0) {
ha->tgt.tgt_ops = NULL;
ha->tgt.target_lport_ptr = NULL;
vha->vha_tgt.target_lport_ptr = NULL;
scsi_host_put(host);
}
mutex_unlock(&qla_tgt_mutex);
@ -4313,7 +4311,7 @@ void qlt_lport_deregister(struct scsi_qla_host *vha)
/*
* Clear the target_lport_ptr qla_target_template pointer in qla_hw_data
*/
ha->tgt.target_lport_ptr = NULL;
vha->vha_tgt.target_lport_ptr = NULL;
ha->tgt.tgt_ops = NULL;
/*
* Release the Scsi_Host reference for the underlying qla2xxx host
@ -4375,8 +4373,9 @@ void
qlt_enable_vha(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
unsigned long flags;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
if (!tgt) {
ql_dbg(ql_dbg_tgt, vha, 0xe069,
@ -4391,9 +4390,14 @@ qlt_enable_vha(struct scsi_qla_host *vha)
qlt_set_mode(vha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_hba_online(vha);
if (vha->vp_idx) {
qla24xx_disable_vp(vha);
qla24xx_enable_vp(vha);
} else {
set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
qla2x00_wait_for_hba_online(base_vha);
}
}
EXPORT_SYMBOL(qlt_enable_vha);
@ -4406,7 +4410,7 @@ void
qlt_disable_vha(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
unsigned long flags;
if (!tgt) {
@ -4437,8 +4441,10 @@ qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
if (!qla_tgt_mode_enabled(vha))
return;
mutex_init(&ha->tgt.tgt_mutex);
mutex_init(&ha->tgt.tgt_host_action_mutex);
vha->vha_tgt.qla_tgt = NULL;
mutex_init(&vha->vha_tgt.tgt_mutex);
mutex_init(&vha->vha_tgt.tgt_host_action_mutex);
qlt_clear_mode(vha);
@ -4449,6 +4455,8 @@ qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
* assigning the value appropriately.
*/
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
qlt_add_target(ha, vha);
}
void
@ -4767,8 +4775,8 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
ISP_ATIO_Q_OUT(base_vha) = &ha->iobase->isp24.atio_q_out;
}
mutex_init(&ha->tgt.tgt_mutex);
mutex_init(&ha->tgt.tgt_host_action_mutex);
mutex_init(&base_vha->vha_tgt.tgt_mutex);
mutex_init(&base_vha->vha_tgt.tgt_host_action_mutex);
qlt_clear_mode(base_vha);
}

110
drivers/scsi/qla2xxx/tcm_qla2xxx.c
View File

@ -53,16 +53,6 @@
struct workqueue_struct *tcm_qla2xxx_free_wq;
struct workqueue_struct *tcm_qla2xxx_cmd_wq;
static int tcm_qla2xxx_check_true(struct se_portal_group *se_tpg)
{
return 1;
}
static int tcm_qla2xxx_check_false(struct se_portal_group *se_tpg)
{
return 0;
}
/*
* Parse WWN.
* If strict, we require lower-case hex and colon separators to be sure
@ -174,7 +164,7 @@ static int tcm_qla2xxx_npiv_parse_wwn(
*wwnn = 0;
/* count may include a LF at end of string */
if (name[cnt-1] == '\n')
if (name[cnt-1] == '\n' || name[cnt-1] == 0)
cnt--;
/* validate we have enough characters for WWPN */
@ -777,6 +767,9 @@ static void tcm_qla2xxx_put_session(struct se_session *se_sess)
static void tcm_qla2xxx_put_sess(struct qla_tgt_sess *sess)
{
if (!sess)
return;
assert_spin_locked(&sess->vha->hw->hardware_lock);
kref_put(&sess->se_sess->sess_kref, tcm_qla2xxx_release_session);
}
@ -957,7 +950,6 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
struct tcm_qla2xxx_lport, lport_wwn);
struct scsi_qla_host *vha = lport->qla_vha;
struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
unsigned long op;
@ -977,12 +969,12 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
atomic_set(&tpg->lport_tpg_enabled, 1);
qlt_enable_vha(vha);
} else {
if (!ha->tgt.qla_tgt) {
pr_err("truct qla_hw_data *ha->tgt.qla_tgt is NULL\n");
if (!vha->vha_tgt.qla_tgt) {
pr_err("struct qla_hw_data *vha->vha_tgt.qla_tgt is NULL\n");
return -ENODEV;
}
atomic_set(&tpg->lport_tpg_enabled, 0);
qlt_stop_phase1(ha->tgt.qla_tgt);
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
}
return count;
@ -1011,7 +1003,7 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX)
return ERR_PTR(-EINVAL);
if (!lport->qla_npiv_vp && (tpgt != 1)) {
if ((tpgt != 1)) {
pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
return ERR_PTR(-ENOSYS);
}
@ -1038,11 +1030,8 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
kfree(tpg);
return NULL;
}
/*
* Setup local TPG=1 pointer for non NPIV mode.
*/
if (lport->qla_npiv_vp == NULL)
lport->tpg_1 = tpg;
lport->tpg_1 = tpg;
return &tpg->se_tpg;
}
@ -1053,19 +1042,17 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg)
struct tcm_qla2xxx_tpg, se_tpg);
struct tcm_qla2xxx_lport *lport = tpg->lport;
struct scsi_qla_host *vha = lport->qla_vha;
struct qla_hw_data *ha = vha->hw;
/*
* Call into qla2x_target.c LLD logic to shutdown the active
* FC Nexuses and disable target mode operation for this qla_hw_data
*/
if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stop)
qlt_stop_phase1(ha->tgt.qla_tgt);
if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stop)
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
core_tpg_deregister(se_tpg);
/*
* Clear local TPG=1 pointer for non NPIV mode.
*/
if (lport->qla_npiv_vp == NULL)
lport->tpg_1 = NULL;
kfree(tpg);
@ -1095,12 +1082,22 @@ static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
tpg->lport = lport;
tpg->lport_tpgt = tpgt;
/*
* By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
* NodeACLs
*/
tpg->tpg_attrib.generate_node_acls = 1;
tpg->tpg_attrib.demo_mode_write_protect = 1;
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
ret = core_tpg_register(&tcm_qla2xxx_npiv_fabric_configfs->tf_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0) {
kfree(tpg);
return NULL;
}
lport->tpg_1 = tpg;
return &tpg->se_tpg;
}
@ -1111,13 +1108,12 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id(
scsi_qla_host_t *vha,
const uint8_t *s_id)
{
struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_lport *lport;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_nacl *nacl;
u32 key;
lport = ha->tgt.target_lport_ptr;
lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
@ -1221,13 +1217,12 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_loop_id(
scsi_qla_host_t *vha,
const uint16_t loop_id)
{
struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_lport *lport;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_nacl *nacl;
struct tcm_qla2xxx_fc_loopid *fc_loopid;
lport = ha->tgt.target_lport_ptr;
lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
@ -1341,6 +1336,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
{
struct qla_tgt *tgt = sess->tgt;
struct qla_hw_data *ha = tgt->ha;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
struct se_session *se_sess;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_lport *lport;
@ -1357,7 +1353,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
se_nacl = se_sess->se_node_acl;
nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
lport = ha->tgt.target_lport_ptr;
lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
@ -1391,7 +1387,7 @@ static int tcm_qla2xxx_check_initiator_node_acl(
unsigned char port_name[36];
unsigned long flags;
lport = ha->tgt.target_lport_ptr;
lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
@ -1455,7 +1451,8 @@ static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id,
{
struct qla_tgt *tgt = sess->tgt;
struct qla_hw_data *ha = tgt->ha;
struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
struct tcm_qla2xxx_lport *lport = vha->vha_tgt.target_lport_ptr;
struct se_node_acl *se_nacl = sess->se_sess->se_node_acl;
struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
struct tcm_qla2xxx_nacl, se_node_acl);
@ -1564,13 +1561,12 @@ static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_lport *lport;
/*
* Setup local pointer to vha, NPIV VP pointer (if present) and
* vha->tcm_lport pointer
*/
lport = (struct tcm_qla2xxx_lport *)ha->tgt.target_lport_ptr;
lport = (struct tcm_qla2xxx_lport *)vha->vha_tgt.target_lport_ptr;
lport->qla_vha = vha;
return 0;
@ -1621,7 +1617,6 @@ static void tcm_qla2xxx_drop_lport(struct se_wwn *wwn)
struct tcm_qla2xxx_lport *lport = container_of(wwn,
struct tcm_qla2xxx_lport, lport_wwn);
struct scsi_qla_host *vha = lport->qla_vha;
struct qla_hw_data *ha = vha->hw;
struct se_node_acl *node;
u32 key = 0;
@ -1630,8 +1625,8 @@ static void tcm_qla2xxx_drop_lport(struct se_wwn *wwn)
* shutdown of struct qla_tgt after the call to
* qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
*/
if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stopped)
qlt_stop_phase2(ha->tgt.qla_tgt);
if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stopped)
qlt_stop_phase2(vha->vha_tgt.qla_tgt);
qlt_lport_deregister(vha);
@ -1650,6 +1645,9 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
struct tcm_qla2xxx_lport *lport;
u64 npiv_wwpn, npiv_wwnn;
int ret;
struct scsi_qla_host *vha = NULL;
struct qla_hw_data *ha = NULL;
scsi_qla_host_t *base_vha = NULL;
if (tcm_qla2xxx_npiv_parse_wwn(name, strlen(name)+1,
&npiv_wwpn, &npiv_wwnn) < 0)
@ -1666,12 +1664,29 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn);
/* FIXME: tcm_qla2xxx_npiv_make_lport */
ret = -ENOSYS;
ret = tcm_qla2xxx_init_lport(lport);
if (ret != 0)
goto out;
ret = qlt_lport_register(&tcm_qla2xxx_template, npiv_wwpn,
tcm_qla2xxx_lport_register_cb, lport);
if (ret != 0)
goto out_lport;
vha = lport->qla_vha;
ha = vha->hw;
base_vha = pci_get_drvdata(ha->pdev);
if (!qla_tgt_mode_enabled(base_vha)) {
ret = -EPERM;
goto out_lport;
}
return &lport->lport_wwn;
out_lport:
vfree(lport->lport_loopid_map);
btree_destroy32(&lport->lport_fcport_map);
out:
kfree(lport);
return ERR_PTR(ret);
@ -1684,9 +1699,9 @@ static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn *wwn)
struct scsi_qla_host *vha = lport->qla_vha;
struct Scsi_Host *sh = vha->host;
/*
* Notify libfc that we want to release the lport->npiv_vport
* Notify libfc that we want to release the vha->fc_vport
*/
fc_vport_terminate(lport->npiv_vport);
fc_vport_terminate(vha->fc_vport);
scsi_host_put(sh);
kfree(lport);
@ -1769,14 +1784,16 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
.tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
.tpg_check_demo_mode = tcm_qla2xxx_check_false,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_true,
.tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_true,
.tpg_check_prod_mode_write_protect = tcm_qla2xxx_check_false,
.tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
.tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
.tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_demo_mode,
.tpg_check_prod_mode_write_protect =
tcm_qla2xxx_check_prod_write_protect,
.tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only,
.tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
.tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
.tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
.check_stop_free = tcm_qla2xxx_check_stop_free,
.release_cmd = tcm_qla2xxx_release_cmd,
.put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
@ -1871,7 +1888,8 @@ static int tcm_qla2xxx_register_configfs(void)
* Setup default attribute lists for various npiv_fabric->tf_cit_tmpl
*/
npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs =
tcm_qla2xxx_tpg_attrs;
npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;

4
drivers/scsi/qla2xxx/tcm_qla2xxx.h
View File

@ -70,12 +70,8 @@ struct tcm_qla2xxx_lport {
struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
/* Pointer to struct scsi_qla_host from qla2xxx LLD */
struct scsi_qla_host *qla_vha;
/* Pointer to struct scsi_qla_host for NPIV VP from qla2xxx LLD */
struct scsi_qla_host *qla_npiv_vp;
/* Pointer to struct qla_tgt pointer */
struct qla_tgt lport_qla_tgt;
/* Pointer to struct fc_vport for NPIV vport from libfc */
struct fc_vport *npiv_vport;
/* Pointer to TPG=1 for non NPIV mode */
struct tcm_qla2xxx_tpg *tpg_1;
/* Returned by tcm_qla2xxx_make_lport() */