summaryrefslogtreecommitdiff
path: root/drivers/scsi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ipr.c28
-rw-r--r--drivers/scsi/ipr.h1
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h20
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c190
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c3
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c7
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c763
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h72
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c28
-rw-r--r--drivers/scsi/scsi_error.c2
-rw-r--r--drivers/scsi/scsi_lib.c6
15 files changed, 973 insertions, 169 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 882744852aac..a9aa38903efe 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -599,9 +599,10 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
{
struct ipr_trace_entry *trace_entry;
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+ unsigned int trace_index;
- trace_entry = &ioa_cfg->trace[atomic_add_return
- (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES];
+ trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK;
+ trace_entry = &ioa_cfg->trace[trace_index];
trace_entry->time = jiffies;
trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0];
trace_entry->type = type;
@@ -1051,10 +1052,15 @@ static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd,
static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg)
{
+ unsigned int hrrq;
+
if (ioa_cfg->hrrq_num == 1)
- return 0;
- else
- return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1;
+ hrrq = 0;
+ else {
+ hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index);
+ hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1;
+ }
+ return hrrq;
}
/**
@@ -6263,21 +6269,23 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
- unsigned long hrrq_flags;
+ unsigned long lock_flags;
scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len));
if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
scsi_dma_unmap(scsi_cmd);
- spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags);
+ spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags);
list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q);
scsi_cmd->scsi_done(scsi_cmd);
- spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags);
+ spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags);
} else {
- spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags);
+ spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+ spin_lock(&ipr_cmd->hrrq->_lock);
ipr_erp_start(ioa_cfg, ipr_cmd);
- spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags);
+ spin_unlock(&ipr_cmd->hrrq->_lock);
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
}
}
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 73790a1d0969..6b97ee45c7b4 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1486,6 +1486,7 @@ struct ipr_ioa_cfg {
#define IPR_NUM_TRACE_INDEX_BITS 8
#define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS)
+#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1)
#define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
char trace_start[8];
#define IPR_TRACE_START_LABEL "trace"
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 82b92c414a9c..437254e1c4de 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -738,7 +738,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
ql_log(ql_log_info, vha, 0x706f,
"Issuing MPI reset.\n");
- if (IS_QLA83XX(ha)) {
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
uint32_t idc_control;
qla83xx_idc_lock(vha, 0);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 0e6ee3ca30e6..8b011aef12bd 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -67,10 +67,10 @@
* | | | 0xd031-0xd0ff |
* | | | 0xd101-0xd1fe |
* | | | 0xd214-0xd2fe |
- * | Target Mode | 0xe079 | |
- * | Target Mode Management | 0xf072 | 0xf002 |
+ * | Target Mode | 0xe080 | |
+ * | Target Mode Management | 0xf096 | 0xf002 |
* | | | 0xf046-0xf049 |
- * | Target Mode Task Management | 0x1000b | |
+ * | Target Mode Task Management | 0x1000d | |
* ----------------------------------------------------------------------
*/
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index e86201d3b8c6..9ad819edcd67 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -274,6 +274,7 @@
#define RESPONSE_ENTRY_CNT_FX00 256 /* Number of response entries.*/
struct req_que;
+struct qla_tgt_sess;
/*
* (sd.h is not exported, hence local inclusion)
@@ -2026,6 +2027,7 @@ typedef struct fc_port {
uint16_t port_id;
unsigned long retry_delay_timestamp;
+ struct qla_tgt_sess *tgt_session;
} fc_port_t;
#include "qla_mr.h"
@@ -3154,13 +3156,13 @@ struct qla_hw_data {
/* Bit 21 of fw_attributes decides the MCTP capabilities */
#define IS_MCTP_CAPABLE(ha) (IS_QLA2031(ha) && \
((ha)->fw_attributes_ext[0] & BIT_0))
-#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha))
-#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha))
+#define IS_PI_UNINIT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha))
+#define IS_PI_IPGUARD_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha))
#define IS_PI_DIFB_DIX0_CAPABLE(ha) (0)
-#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha))
+#define IS_PI_SPLIT_DET_CAPABLE_HBA(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha))
#define IS_PI_SPLIT_DET_CAPABLE(ha) (IS_PI_SPLIT_DET_CAPABLE_HBA(ha) && \
(((ha)->fw_attributes_h << 16 | (ha)->fw_attributes) & BIT_22))
-#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha))
+#define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha))
#define IS_TGT_MODE_CAPABLE(ha) (ha->tgt.atio_q_length)
#define IS_SHADOW_REG_CAPABLE(ha) (IS_QLA27XX(ha))
#define IS_DPORT_CAPABLE(ha) (IS_QLA83XX(ha) || IS_QLA27XX(ha))
@@ -3579,6 +3581,16 @@ typedef struct scsi_qla_host {
uint16_t fcoe_fcf_idx;
uint8_t fcoe_vn_port_mac[6];
+ /* list of commands waiting on workqueue */
+ struct list_head qla_cmd_list;
+ struct list_head qla_sess_op_cmd_list;
+ spinlock_t cmd_list_lock;
+
+ /* Counter to detect races between ELS and RSCN events */
+ atomic_t generation_tick;
+ /* Time when global fcport update has been scheduled */
+ int total_fcport_update_gen;
+
uint32_t vp_abort_cnt;
struct fc_vport *fc_vport; /* holds fc_vport * for each vport */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 664013115c9d..11f2f3279eab 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -115,6 +115,8 @@ qla2x00_async_iocb_timeout(void *data)
QLA_LOGIO_LOGIN_RETRIED : 0;
qla2x00_post_async_login_done_work(fcport->vha, fcport,
lio->u.logio.data);
+ } else if (sp->type == SRB_LOGOUT_CMD) {
+ qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
}
}
@@ -497,7 +499,10 @@ void
qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
uint16_t *data)
{
- qla2x00_mark_device_lost(vha, fcport, 1, 0);
+ /* Don't re-login in target mode */
+ if (!fcport->tgt_session)
+ qla2x00_mark_device_lost(vha, fcport, 1, 0);
+ qlt_logo_completion_handler(fcport, data[0]);
return;
}
@@ -1538,7 +1543,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
mem_size = (ha->fw_memory_size - 0x11000 + 1) *
sizeof(uint16_t);
} else if (IS_FWI2_CAPABLE(ha)) {
- if (IS_QLA83XX(ha))
+ if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
else if (IS_QLA81XX(ha))
fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
@@ -1550,7 +1555,7 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
mem_size = (ha->fw_memory_size - 0x100000 + 1) *
sizeof(uint32_t);
if (ha->mqenable) {
- if (!IS_QLA83XX(ha))
+ if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
mq_size = sizeof(struct qla2xxx_mq_chain);
/*
* Allocate maximum buffer size for all queues.
@@ -2922,21 +2927,14 @@ qla2x00_rport_del(void *data)
{
fc_port_t *fcport = data;
struct fc_rport *rport;
- scsi_qla_host_t *vha = fcport->vha;
unsigned long flags;
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
rport = fcport->drport ? fcport->drport: fcport->rport;
fcport->drport = NULL;
spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
- if (rport) {
+ if (rport)
fc_remote_port_delete(rport);
- /*
- * Release the target mode FC NEXUS in qla_target.c code
- * if target mod is enabled.
- */
- qlt_fc_port_deleted(vha, fcport);
- }
}
/**
@@ -3303,6 +3301,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
* Create target mode FC NEXUS in qla_target.c if target mode is
* enabled..
*/
+
qlt_fc_port_added(vha, fcport);
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
@@ -3341,8 +3340,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
if (IS_QLAFX00(vha->hw)) {
qla2x00_set_fcport_state(fcport, FCS_ONLINE);
- qla2x00_reg_remote_port(vha, fcport);
- return;
+ goto reg_port;
}
fcport->login_retry = 0;
fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
@@ -3350,7 +3348,16 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
qla2x00_set_fcport_state(fcport, FCS_ONLINE);
qla2x00_iidma_fcport(vha, fcport);
qla24xx_update_fcport_fcp_prio(vha, fcport);
- qla2x00_reg_remote_port(vha, fcport);
+
+reg_port:
+ if (qla_ini_mode_enabled(vha))
+ qla2x00_reg_remote_port(vha, fcport);
+ else {
+ /*
+ * Create target mode FC NEXUS in qla_target.c
+ */
+ qlt_fc_port_added(vha, fcport);
+ }
}
/*
@@ -3375,6 +3382,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
LIST_HEAD(new_fcports);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
+ int discovery_gen;
/* If FL port exists, then SNS is present */
if (IS_FWI2_CAPABLE(ha))
@@ -3445,6 +3453,14 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
fcport->scan_state = QLA_FCPORT_SCAN;
}
+ /* Mark the time right before querying FW for connected ports.
+ * This process is long, asynchronous and by the time it's done,
+ * collected information might not be accurate anymore. E.g.
+ * disconnected port might have re-connected and a brand new
+ * session has been created. In this case session's generation
+ * will be newer than discovery_gen. */
+ qlt_do_generation_tick(vha, &discovery_gen);
+
rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
if (rval != QLA_SUCCESS)
break;
@@ -3460,20 +3476,44 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
continue;
- if (fcport->scan_state == QLA_FCPORT_SCAN &&
- atomic_read(&fcport->state) == FCS_ONLINE) {
- qla2x00_mark_device_lost(vha, fcport,
- ql2xplogiabsentdevice, 0);
- if (fcport->loop_id != FC_NO_LOOP_ID &&
- (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
- fcport->port_type != FCT_INITIATOR &&
- fcport->port_type != FCT_BROADCAST) {
- ha->isp_ops->fabric_logout(vha,
- fcport->loop_id,
- fcport->d_id.b.domain,
- fcport->d_id.b.area,
- fcport->d_id.b.al_pa);
- qla2x00_clear_loop_id(fcport);
+ if (fcport->scan_state == QLA_FCPORT_SCAN) {
+ if (qla_ini_mode_enabled(base_vha) &&
+ atomic_read(&fcport->state) == FCS_ONLINE) {
+ qla2x00_mark_device_lost(vha, fcport,
+ ql2xplogiabsentdevice, 0);
+ if (fcport->loop_id != FC_NO_LOOP_ID &&
+ (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
+ fcport->port_type != FCT_INITIATOR &&
+ fcport->port_type != FCT_BROADCAST) {
+ ha->isp_ops->fabric_logout(vha,
+ fcport->loop_id,
+ fcport->d_id.b.domain,
+ fcport->d_id.b.area,
+ fcport->d_id.b.al_pa);
+ qla2x00_clear_loop_id(fcport);
+ }
+ } else if (!qla_ini_mode_enabled(base_vha)) {
+ /*
+ * In target mode, explicitly kill
+ * sessions and log out of devices
+ * that are gone, so that we don't
+ * end up with an initiator using the
+ * wrong ACL (if the fabric recycles
+ * an FC address and we have a stale
+ * session around) and so that we don't
+ * report initiators that are no longer
+ * on the fabric.
+ */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
+ "port gone, logging out/killing session: "
+ "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
+ "scan_state %d\n",
+ fcport->port_name,
+ atomic_read(&fcport->state),
+ fcport->flags, fcport->fc4_type,
+ fcport->scan_state);
+ qlt_fc_port_deleted(vha, fcport,
+ discovery_gen);
}
}
}
@@ -3494,6 +3534,28 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
(fcport->flags & FCF_LOGIN_NEEDED) == 0)
continue;
+ /*
+ * If we're not an initiator, skip looking for devices
+ * and logging in. There's no reason for us to do it,
+ * and it seems to actively cause problems in target
+ * mode if we race with the initiator logging into us
+ * (we might get the "port ID used" status back from
+ * our login command and log out the initiator, which
+ * seems to cause havoc).
+ */
+ if (!qla_ini_mode_enabled(base_vha)) {
+ if (fcport->scan_state == QLA_FCPORT_FOUND) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
+ "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
+ "scan_state %d (initiator mode disabled; skipping "
+ "login)\n", fcport->port_name,
+ atomic_read(&fcport->state),
+ fcport->flags, fcport->fc4_type,
+ fcport->scan_state);
+ }
+ continue;
+ }
+
if (fcport->loop_id == FC_NO_LOOP_ID) {
fcport->loop_id = next_loopid;
rval = qla2x00_find_new_loop_id(
@@ -3520,16 +3582,38 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
break;
- /* Find a new loop ID to use. */
- fcport->loop_id = next_loopid;
- rval = qla2x00_find_new_loop_id(base_vha, fcport);
- if (rval != QLA_SUCCESS) {
- /* Ran out of IDs to use */
- break;
- }
+ /*
+ * If we're not an initiator, skip looking for devices
+ * and logging in. There's no reason for us to do it,
+ * and it seems to actively cause problems in target
+ * mode if we race with the initiator logging into us
+ * (we might get the "port ID used" status back from
+ * our login command and log out the initiator, which
+ * seems to cause havoc).
+ */
+ if (qla_ini_mode_enabled(base_vha)) {
+ /* Find a new loop ID to use. */
+ fcport->loop_id = next_loopid;
+ rval = qla2x00_find_new_loop_id(base_vha,
+ fcport);
+ if (rval != QLA_SUCCESS) {
+ /* Ran out of IDs to use */
+ break;
+ }
- /* Login and update database */
- qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
+ /* Login and update database */
+ qla2x00_fabric_dev_login(vha, fcport,
+ &next_loopid);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
+ "new port %8phC state 0x%x flags 0x%x fc4_type "
+ "0x%x scan_state %d (initiator mode disabled; "
+ "skipping login)\n",
+ fcport->port_name,
+ atomic_read(&fcport->state),
+ fcport->flags, fcport->fc4_type,
+ fcport->scan_state);
+ }
list_move_tail(&fcport->list, &vha->vp_fcports);
}
@@ -3725,11 +3809,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
fcport->fp_speed = new_fcport->fp_speed;
/*
- * If address the same and state FCS_ONLINE, nothing
- * changed.
+ * If address the same and state FCS_ONLINE
+ * (or in target mode), nothing changed.
*/
if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
- atomic_read(&fcport->state) == FCS_ONLINE) {
+ (atomic_read(&fcport->state) == FCS_ONLINE ||
+ !qla_ini_mode_enabled(base_vha))) {
break;
}
@@ -3749,6 +3834,22 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
* Log it out if still logged in and mark it for
* relogin later.
*/
+ if (!qla_ini_mode_enabled(base_vha)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
+ "port changed FC ID, %8phC"
+ " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
+ fcport->port_name,
+ fcport->d_id.b.domain,
+ fcport->d_id.b.area,
+ fcport->d_id.b.al_pa,
+ fcport->loop_id,
+ new_fcport->d_id.b.domain,
+ new_fcport->d_id.b.area,
+ new_fcport->d_id.b.al_pa);
+ fcport->d_id.b24 = new_fcport->d_id.b24;
+ break;
+ }
+
fcport->d_id.b24 = new_fcport->d_id.b24;
fcport->flags |= FCF_LOGIN_NEEDED;
if (fcport->loop_id != FC_NO_LOOP_ID &&
@@ -3768,6 +3869,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
if (found)
continue;
/* If device was not in our fcports list, then add it. */
+ new_fcport->scan_state = QLA_FCPORT_FOUND;
list_add_tail(&new_fcport->list, new_fcports);
/* Allocate a new replacement fcport. */
@@ -4188,6 +4290,14 @@ qla2x00_update_fcports(scsi_qla_host_t *base_vha)
atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
spin_unlock_irqrestore(&ha->vport_slock, flags);
qla2x00_rport_del(fcport);
+
+ /*
+ * Release the target mode FC NEXUS in
+ * qla_target.c, if target mod is enabled.
+ */
+ qlt_fc_port_deleted(vha, fcport,
+ base_vha->total_fcport_update_gen);
+
spin_lock_irqsave(&ha->vport_slock, flags);
}
}
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 36fbd4c7af8f..6f02b26a35cf 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -1943,6 +1943,9 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags =
cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
+ if (!sp->fcport->tgt_session ||
+ !sp->fcport->tgt_session->keep_nport_handle)
+ logio->control_flags |= cpu_to_le16(LCF_FREE_NPORT);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 02b1c1c5355b..b2f713ad9034 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2415,7 +2415,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt,
*orig_iocb_cnt = mcp->mb[10];
if (vha->hw->flags.npiv_supported && max_npiv_vports)
*max_npiv_vports = mcp->mb[11];
- if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) && max_fcfs)
+ if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw) ||
+ IS_QLA27XX(vha->hw)) && max_fcfs)
*max_fcfs = mcp->mb[12];
}
@@ -3898,7 +3899,7 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
spin_lock_irqsave(&ha->hardware_lock, flags);
if (!(rsp->options & BIT_0)) {
WRT_REG_DWORD(rsp->rsp_q_out, 0);
- if (!IS_QLA83XX(ha))
+ if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
WRT_REG_DWORD(rsp->rsp_q_in, 0);
}
@@ -5345,7 +5346,7 @@ qla83xx_restart_nic_firmware(scsi_qla_host_t *vha)
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- if (!IS_QLA83XX(ha))
+ if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
return QLA_FUNCTION_FAILED;
ql_dbg(ql_dbg_mbx, vha, 0x1143, "Entered %s.\n", __func__);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index a28815b8276f..8a5cac8448c7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2504,6 +2504,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
@@ -3229,11 +3230,15 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
spin_lock_irqsave(vha->host->host_lock, flags);
fcport->drport = rport;
spin_unlock_irqrestore(vha->host->host_lock, flags);
+ qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
} else {
- fc_remote_port_delete(rport);
- qlt_fc_port_deleted(vha, fcport);
+ int now;
+ if (rport)
+ fc_remote_port_delete(rport);
+ qlt_do_generation_tick(vha, &now);
+ qlt_fc_port_deleted(vha, fcport, now);
}
}
@@ -3763,8 +3768,11 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
INIT_LIST_HEAD(&vha->vp_fcports);
INIT_LIST_HEAD(&vha->work_list);
INIT_LIST_HEAD(&vha->list);
+ INIT_LIST_HEAD(&vha->qla_cmd_list);
+ INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
spin_lock_init(&vha->work_lock);
+ spin_lock_init(&vha->cmd_list_lock);
sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
ql_dbg(ql_dbg_init, vha, 0x0041,
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 028e8c8a7de9..2feb5f38edcd 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -1697,7 +1697,7 @@ qla83xx_select_led_port(struct qla_hw_data *ha)
{
uint32_t led_select_value = 0;
- if (!IS_QLA83XX(ha))
+ if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
goto out;
if (ha->port_no == 0)
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index b749026aa592..58651ecbd88c 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -113,6 +113,11 @@ static void qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha,
static void qlt_alloc_qfull_cmd(struct scsi_qla_host *vha,
struct atio_from_isp *atio, uint16_t status, int qfull);
static void qlt_disable_vha(struct scsi_qla_host *vha);
+static void qlt_clear_tgt_db(struct qla_tgt *tgt);
+static void qlt_send_notify_ack(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *ntfy,
+ uint32_t add_flags, uint16_t resp_code, int resp_code_valid,
+ uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan);
/*
* Global Variables
*/
@@ -122,6 +127,16 @@ static struct workqueue_struct *qla_tgt_wq;
static DEFINE_MUTEX(qla_tgt_mutex);
static LIST_HEAD(qla_tgt_glist);
+/* This API intentionally takes dest as a parameter, rather than returning
+ * int value to avoid caller forgetting to issue wmb() after the store */
+void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest)
+{
+ scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev);
+ *dest = atomic_inc_return(&base_vha->generation_tick);
+ /* memory barrier */
+ wmb();
+}
+
/* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) */
static struct qla_tgt_sess *qlt_find_sess_by_port_name(
struct qla_tgt *tgt,
@@ -381,14 +396,73 @@ static void qlt_free_session_done(struct work_struct *work)
struct qla_tgt *tgt = sess->tgt;
struct scsi_qla_host *vha = sess->vha;
struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+ bool logout_started = false;
+ fc_port_t fcport;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf084,
+ "%s: se_sess %p / sess %p from port %8phC loop_id %#04x"
+ " s_id %02x:%02x:%02x logout %d keep %d plogi %d\n",
+ __func__, sess->se_sess, sess, sess->port_name, sess->loop_id,
+ sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
+ sess->logout_on_delete, sess->keep_nport_handle,
+ sess->plogi_ack_needed);
BUG_ON(!tgt);
+
+ if (sess->logout_on_delete) {
+ int rc;
+
+ memset(&fcport, 0, sizeof(fcport));
+ fcport.loop_id = sess->loop_id;
+ fcport.d_id = sess->s_id;
+ memcpy(fcport.port_name, sess->port_name, WWN_SIZE);
+ fcport.vha = vha;
+ fcport.tgt_session = sess;
+
+ rc = qla2x00_post_async_logout_work(vha, &fcport, NULL);
+ if (rc != QLA_SUCCESS)
+ ql_log(ql_log_warn, vha, 0xf085,
+ "Schedule logo failed sess %p rc %d\n",
+ sess, rc);
+ else
+ logout_started = true;
+ }
+
/*
* Release the target session for FC Nexus from fabric module code.
*/
if (sess->se_sess != NULL)
ha->tgt.tgt_ops->free_session(sess);
+ if (logout_started) {
+ bool traced = false;
+
+ while (!ACCESS_ONCE(sess->logout_completed)) {
+ if (!traced) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf086,
+ "%s: waiting for sess %p logout\n",
+ __func__, sess);
+ traced = true;
+ }
+ msleep(100);
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf087,
+ "%s: sess %p logout completed\n",
+ __func__, sess);
+ }
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ if (sess->plogi_ack_needed)
+ qlt_send_notify_ack(vha, &sess->tm_iocb,
+ 0, 0, 0, 0, 0, 0);
+
+ list_del(&sess->sess_list_entry);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf001,
"Unregistration of sess %p finished\n", sess);
@@ -409,9 +483,9 @@ void qlt_unreg_sess(struct qla_tgt_sess *sess)
vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess);
- list_del(&sess->sess_list_entry);
- if (sess->deleted)
- list_del(&sess->del_list_entry);
+ if (!list_empty(&sess->del_list_entry))
+ list_del_init(&sess->del_list_entry);
+ sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
INIT_WORK(&sess->free_work, qlt_free_session_done);
schedule_work(&sess->free_work);
@@ -431,10 +505,10 @@ static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd)
loop_id = le16_to_cpu(n->u.isp24.nport_handle);
if (loop_id == 0xFFFF) {
-#if 0 /* FIXME: Re-enable Global event handling.. */
/* Global event */
- atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count);
- qlt_clear_tgt_db(ha->tgt.qla_tgt);
+ atomic_inc(&vha->vha_tgt.qla_tgt->tgt_global_resets_count);
+ qlt_clear_tgt_db(vha->vha_tgt.qla_tgt);
+#if 0 /* FIXME: do we need to choose a session here? */
if (!list_empty(&ha->tgt.qla_tgt->sess_list)) {
sess = list_entry(ha->tgt.qla_tgt->sess_list.next,
typeof(*sess), sess_list_entry);
@@ -489,27 +563,38 @@ static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess,
struct qla_tgt *tgt = sess->tgt;
uint32_t dev_loss_tmo = tgt->ha->port_down_retry_count + 5;
- if (sess->deleted)
- return;
+ if (sess->deleted) {
+ /* Upgrade to unconditional deletion in case it was temporary */
+ if (immediate && sess->deleted == QLA_SESS_DELETION_PENDING)
+ list_del(&sess->del_list_entry);
+ else
+ return;
+ }
ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
"Scheduling sess %p for deletion\n", sess);
- list_add_tail(&sess->del_list_entry, &tgt->del_sess_list);
- sess->deleted = 1;
- if (immediate)
+ if (immediate) {
dev_loss_tmo = 0;
+ sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
+ list_add(&sess->del_list_entry, &tgt->del_sess_list);
+ } else {
+ sess->deleted = QLA_SESS_DELETION_PENDING;
+ list_add_tail(&sess->del_list_entry, &tgt->del_sess_list);
+ }
sess->expires = jiffies + dev_loss_tmo * HZ;
ql_dbg(ql_dbg_tgt, sess->vha, 0xe048,
- "qla_target(%d): session for port %8phC (loop ID %d) scheduled for "
- "deletion in %u secs (expires: %lu) immed: %d\n",
- sess->vha->vp_idx, sess->port_name, sess->loop_id, dev_loss_tmo,
- sess->expires, immediate);
+ "qla_target(%d): session for port %8phC (loop ID %d s_id %02x:%02x:%02x)"
+ " scheduled for deletion in %u secs (expires: %lu) immed: %d, logout: %d, gen: %#x\n",
+ sess->vha->vp_idx, sess->port_name, sess->loop_id,
+ sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa,
+ dev_loss_tmo, sess->expires, immediate, sess->logout_on_delete,
+ sess->generation);
if (immediate)
- schedule_delayed_work(&tgt->sess_del_work, 0);
+ mod_delayed_work(system_wq, &tgt->sess_del_work, 0);
else
schedule_delayed_work(&tgt->sess_del_work,
sess->expires - jiffies);
@@ -578,9 +663,9 @@ out_free_id_list:
/* ha->hardware_lock supposed to be held on entry */
static void qlt_undelete_sess(struct qla_tgt_sess *sess)
{
- BUG_ON(!sess->deleted);
+ BUG_ON(sess->deleted != QLA_SESS_DELETION_PENDING);
- list_del(&sess->del_list_entry);
+ list_del_init(&sess->del_list_entry);
sess->deleted = 0;
}
@@ -599,7 +684,9 @@ static void qlt_del_sess_work_fn(struct delayed_work *work)
del_list_entry);
elapsed = jiffies;
if (time_after_eq(elapsed, sess->expires)) {
- qlt_undelete_sess(sess);
+ /* No turning back */
+ list_del_init(&sess->del_list_entry);
+ sess->deleted = QLA_SESS_DELETION_IN_PROGRESS;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
"Timeout: sess %p about to be deleted\n",
@@ -643,6 +730,13 @@ static struct qla_tgt_sess *qlt_create_sess(
fcport->d_id.b.al_pa, fcport->d_id.b.area,
fcport->loop_id);
+ /* Cannot undelete at this point */
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ spin_unlock_irqrestore(&ha->hardware_lock,
+ flags);
+ return NULL;
+ }
+
if (sess->deleted)
qlt_undelete_sess(sess);
@@ -652,6 +746,9 @@ static struct qla_tgt_sess *qlt_create_sess(
if (sess->local && !local)
sess->local = 0;
+
+ qlt_do_generation_tick(vha, &sess->generation);
+
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return sess;
@@ -673,6 +770,14 @@ static struct qla_tgt_sess *qlt_create_sess(
sess->s_id = fcport->d_id;
sess->loop_id = fcport->loop_id;
sess->local = local;
+ INIT_LIST_HEAD(&sess->del_list_entry);
+
+ /* Under normal circumstances we want to logout from firmware when
+ * session eventually ends and release corresponding nport handle.
+ * In the exception cases (e.g. when new PLOGI is waiting) corresponding
+ * code will adjust these flags as necessary. */
+ sess->logout_on_delete = 1;
+ sess->keep_nport_handle = 0;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
"Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
@@ -705,6 +810,7 @@ static struct qla_tgt_sess *qlt_create_sess(
spin_lock_irqsave(&ha->hardware_lock, flags);
list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list);
vha->vha_tgt.qla_tgt->sess_count++;
+ qlt_do_generation_tick(vha, &sess->generation);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
@@ -718,7 +824,7 @@ static struct qla_tgt_sess *qlt_create_sess(
}
/*
- * Called from drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port()
+ * Called from qla2x00_reg_remote_port()
*/
void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
{
@@ -750,6 +856,10 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
mutex_unlock(&vha->vha_tgt.tgt_mutex);
spin_lock_irqsave(&ha->hardware_lock, flags);
+ } else if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ /* Point of no return */
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return;
} else {
kref_get(&sess->se_sess->sess_kref);
@@ -780,27 +890,36 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
-void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
+/*
+ * max_gen - specifies maximum session generation
+ * at which this deletion requestion is still valid
+ */
+void
+qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport, int max_gen)
{
- struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_sess *sess;
- unsigned long flags;
if (!vha->hw->tgt.tgt_ops)
return;
- if (!tgt || (fcport->port_type != FCT_INITIATOR))
+ if (!tgt)
return;
- spin_lock_irqsave(&ha->hardware_lock, flags);
if (tgt->tgt_stop) {
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
return;
}
sess = qlt_find_sess_by_port_name(tgt, fcport->port_name);
if (!sess) {
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return;
+ }
+
+ if (max_gen - sess->generation < 0) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf092,
+ "Ignoring stale deletion request for se_sess %p / sess %p"
+ " for port %8phC, req_gen %d, sess_gen %d\n",
+ sess->se_sess, sess, sess->port_name, max_gen,
+ sess->generation);
return;
}
@@ -808,7 +927,6 @@ void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
sess->local = 1;
qlt_schedule_sess_for_deletion(sess, false);
- spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static inline int test_tgt_sess_count(struct qla_tgt *tgt)
@@ -1175,6 +1293,70 @@ static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha,
FCP_TMF_CMPL, true);
}
+static int abort_cmd_for_tag(struct scsi_qla_host *vha, uint32_t tag)
+{
+ struct qla_tgt_sess_op *op;
+ struct qla_tgt_cmd *cmd;
+
+ spin_lock(&vha->cmd_list_lock);
+
+ list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) {
+ if (tag == op->atio.u.isp24.exchange_addr) {
+ op->aborted = true;
+ spin_unlock(&vha->cmd_list_lock);
+ return 1;
+ }
+ }
+
+ list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
+ if (tag == cmd->atio.u.isp24.exchange_addr) {
+ cmd->state = QLA_TGT_STATE_ABORTED;
+ spin_unlock(&vha->cmd_list_lock);
+ return 1;
+ }
+ }
+
+ spin_unlock(&vha->cmd_list_lock);
+ return 0;
+}
+
+/* drop cmds for the given lun
+ * XXX only looks for cmds on the port through which lun reset was recieved
+ * XXX does not go through the list of other port (which may have cmds
+ * for the same lun)
+ */
+static void abort_cmds_for_lun(struct scsi_qla_host *vha,
+ uint32_t lun, uint8_t *s_id)
+{
+ struct qla_tgt_sess_op *op;
+ struct qla_tgt_cmd *cmd;
+ uint32_t key;
+
+ key = sid_to_key(s_id);
+ spin_lock(&vha->cmd_list_lock);
+ list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) {
+ uint32_t op_key;
+ uint32_t op_lun;
+
+ op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id);
+ op_lun = scsilun_to_int(
+ (struct scsi_lun *)&op->atio.u.isp24.fcp_cmnd.lun);
+ if (op_key == key && op_lun == lun)
+ op->aborted = true;
+ }
+ list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
+ uint32_t cmd_key;
+ uint32_t cmd_lun;
+
+ cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id);
+ cmd_lun = scsilun_to_int(
+ (struct scsi_lun *)&cmd->atio.u.isp24.fcp_cmnd.lun);
+ if (cmd_key == key && cmd_lun == lun)
+ cmd->state = QLA_TGT_STATE_ABORTED;
+ }
+ spin_unlock(&vha->cmd_list_lock);
+}
+
/* ha->hardware_lock supposed to be held on entry */
static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess)
@@ -1199,8 +1381,19 @@ static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
}
spin_unlock(&se_sess->sess_cmd_lock);
- if (!found_lun)
- return -ENOENT;
+ /* cmd not in LIO lists, look in qla list */
+ if (!found_lun) {
+ if (abort_cmd_for_tag(vha, abts->exchange_addr_to_abort)) {
+ /* send TASK_ABORT response immediately */
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_CMPL, false);
+ return 0;
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf081,
+ "unable to find cmd in driver or LIO for tag 0x%x\n",
+ abts->exchange_addr_to_abort);
+ return -ENOENT;
+ }
+ }
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f,
"qla_target(%d): task abort (tag=%d)\n",
@@ -1284,6 +1477,11 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha,
return;
}
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ return;
+ }
+
rc = __qlt_24xx_handle_abts(vha, abts, sess);
if (rc != 0) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf054,
@@ -1726,20 +1924,6 @@ static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd,
struct qla_hw_data *ha = vha->hw;
struct se_cmd *se_cmd = &cmd->se_cmd;
- if (unlikely(cmd->aborted)) {
- ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014,
- "qla_target(%d): terminating exchange for aborted cmd=%p (se_cmd=%p, tag=%lld)",
- vha->vp_idx, cmd, se_cmd, se_cmd->tag);
-
- cmd->state = QLA_TGT_STATE_ABORTED;
- cmd->cmd_flags |= BIT_6;
-
- qlt_send_term_exchange(vha, cmd, &cmd->atio, 0);
-
- /* !! At this point cmd could be already freed !! */
- return QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED;
- }
-
prm->cmd = cmd;
prm->tgt = tgt;
prm->rq_result = scsi_status;
@@ -2301,6 +2485,19 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
unsigned long flags = 0;
int res;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ cmd->state = QLA_TGT_STATE_PROCESSED;
+ if (cmd->sess->logout_completed)
+ /* no need to terminate. FW already freed exchange. */
+ qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
+ else
+ qlt_send_term_exchange(vha, cmd, &cmd->atio, 1);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return 0;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
memset(&prm, 0, sizeof(prm));
qlt_check_srr_debug(cmd, &xmit_type);
@@ -2313,9 +2510,6 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
res = qlt_pre_xmit_response(cmd, &prm, xmit_type, scsi_status,
&full_req_cnt);
if (unlikely(res != 0)) {
- if (res == QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED)
- return 0;
-
return res;
}
@@ -2345,9 +2539,10 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
res = qlt_build_ctio_crc2_pkt(&prm, vha);
else
res = qlt_24xx_build_ctio_pkt(&prm, vha);
- if (unlikely(res != 0))
+ if (unlikely(res != 0)) {
+ vha->req->cnt += full_req_cnt;
goto out_unmap_unlock;
-
+ }
pkt = (struct ctio7_to_24xx *)prm.pkt;
@@ -2461,7 +2656,8 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
spin_lock_irqsave(&ha->hardware_lock, flags);
- if (qla2x00_reset_active(vha) || cmd->reset_count != ha->chip_reset) {
+ if (qla2x00_reset_active(vha) || (cmd->reset_count != ha->chip_reset) ||
+ (cmd->sess && cmd->sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)) {
/*
* Either a chip reset is active or this request was from
* previous life, just abort the processing.
@@ -2485,8 +2681,11 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
else
res = qlt_24xx_build_ctio_pkt(&prm, vha);
- if (unlikely(res != 0))
+ if (unlikely(res != 0)) {
+ vha->req->cnt += prm.req_cnt;
goto out_unlock_free_unmap;
+ }
+
pkt = (struct ctio7_to_24xx *)prm.pkt;
pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT |
CTIO7_FLAGS_STATUS_MODE_0);
@@ -2651,6 +2850,89 @@ out:
/* If hardware_lock held on entry, might drop it, then reaquire */
/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */
+static int __qlt_send_term_imm_notif(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *ntfy)
+{
+ struct nack_to_isp *nack;
+ struct qla_hw_data *ha = vha->hw;
+ request_t *pkt;
+ int ret = 0;
+
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0xe01c,
+ "Sending TERM ELS CTIO (ha=%p)\n", ha);
+
+ pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL);
+ if (pkt == NULL) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe080,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet\n", vha->vp_idx, __func__);
+ return -ENOMEM;
+ }
+
+ pkt->entry_type = NOTIFY_ACK_TYPE;
+ pkt->entry_count = 1;
+ pkt->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK;
+
+ nack = (struct nack_to_isp *)pkt;
+ nack->ox_id = ntfy->ox_id;
+
+ nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
+ if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
+ nack->u.isp24.flags = ntfy->u.isp24.flags &
+ __constant_cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB);
+ }
+
+ /* terminate */
+ nack->u.isp24.flags |=
+ __constant_cpu_to_le16(NOTIFY_ACK_FLAGS_TERMINATE);
+
+ nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
+ nack->u.isp24.status = ntfy->u.isp24.status;
+ nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode;
+ nack->u.isp24.fw_handle = ntfy->u.isp24.fw_handle;
+ nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address;
+ nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs;
+ nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui;
+ nack->u.isp24.vp_index = ntfy->u.isp24.vp_index;
+
+ qla2x00_start_iocbs(vha, vha->req);
+ return ret;
+}
+
+static void qlt_send_term_imm_notif(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *imm, int ha_locked)
+{
+ unsigned long flags = 0;
+ int rc;
+
+ if (qlt_issue_marker(vha, ha_locked) < 0)
+ return;
+
+ if (ha_locked) {
+ rc = __qlt_send_term_imm_notif(vha, imm);
+
+#if 0 /* Todo */
+ if (rc == -ENOMEM)
+ qlt_alloc_qfull_cmd(vha, imm, 0, 0);
+#endif
+ goto done;
+ }
+
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ rc = __qlt_send_term_imm_notif(vha, imm);
+
+#if 0 /* Todo */
+ if (rc == -ENOMEM)
+ qlt_alloc_qfull_cmd(vha, imm, 0, 0);
+#endif
+
+done:
+ if (!ha_locked)
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+}
+
+/* If hardware_lock held on entry, might drop it, then reaquire */
+/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */
static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
struct qla_tgt_cmd *cmd,
struct atio_from_isp *atio)
@@ -2715,7 +2997,7 @@ static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
static void qlt_send_term_exchange(struct scsi_qla_host *vha,
struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked)
{
- unsigned long flags;
+ unsigned long flags = 0;
int rc;
if (qlt_issue_marker(vha, ha_locked) < 0)
@@ -2731,17 +3013,18 @@ static void qlt_send_term_exchange(struct scsi_qla_host *vha,
rc = __qlt_send_term_exchange(vha, cmd, atio);
if (rc == -ENOMEM)
qlt_alloc_qfull_cmd(vha, atio, 0, 0);
- spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
done:
if (cmd && ((cmd->state != QLA_TGT_STATE_ABORTED) ||
!cmd->cmd_sent_to_fw)) {
- if (!ha_locked && !in_interrupt())
- msleep(250); /* just in case */
-
- qlt_unmap_sg(vha, cmd);
+ if (cmd->sg_mapped)
+ qlt_unmap_sg(vha, cmd);
vha->hw->tgt.tgt_ops->free_cmd(cmd);
}
+
+ if (!ha_locked)
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+
return;
}
@@ -2792,6 +3075,24 @@ static void qlt_chk_exch_leak_thresh_hold(struct scsi_qla_host *vha)
}
+void qlt_abort_cmd(struct qla_tgt_cmd *cmd)
+{
+ struct qla_tgt *tgt = cmd->tgt;
+ struct scsi_qla_host *vha = tgt->vha;
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014,
+ "qla_target(%d): terminating exchange for aborted cmd=%p "
+ "(se_cmd=%p, tag=%llu)", vha->vp_idx, cmd, &cmd->se_cmd,
+ se_cmd->tag);
+
+ cmd->state = QLA_TGT_STATE_ABORTED;
+ cmd->cmd_flags |= BIT_6;
+
+ qlt_send_term_exchange(vha, cmd, &cmd->atio, 0);
+}
+EXPORT_SYMBOL(qlt_abort_cmd);
+
void qlt_free_cmd(struct qla_tgt_cmd *cmd)
{
struct qla_tgt_sess *sess = cmd->sess;
@@ -3015,7 +3316,7 @@ qlt_abort_cmd_on_host_reset(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd)
dump_stack();
}
- cmd->cmd_flags |= BIT_12;
+ cmd->cmd_flags |= BIT_17;
ha->tgt.tgt_ops->free_cmd(cmd);
}
@@ -3177,7 +3478,7 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
skip_term:
if (cmd->state == QLA_TGT_STATE_PROCESSED) {
- ;
+ cmd->cmd_flags |= BIT_12;
} else if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
int rx_status = 0;
@@ -3191,9 +3492,11 @@ skip_term:
ha->tgt.tgt_ops->handle_data(cmd);
return;
} else if (cmd->state == QLA_TGT_STATE_ABORTED) {
+ cmd->cmd_flags |= BIT_18;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e,
"Aborted command %p (tag %lld) finished\n", cmd, se_cmd->tag);
} else {
+ cmd->cmd_flags |= BIT_19;
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c,
"qla_target(%d): A command in state (%d) should "
"not return a CTIO complete\n", vha->vp_idx, cmd->state);
@@ -3205,7 +3508,6 @@ skip_term:
dump_stack();
}
-
ha->tgt.tgt_ops->free_cmd(cmd);
}
@@ -3263,6 +3565,13 @@ static void __qlt_do_work(struct qla_tgt_cmd *cmd)
if (tgt->tgt_stop)
goto out_term;
+ if (cmd->state == QLA_TGT_STATE_ABORTED) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf082,
+ "cmd with tag %u is aborted\n",
+ cmd->atio.u.isp24.exchange_addr);
+ goto out_term;
+ }
+
cdb = &atio->u.isp24.fcp_cmnd.cdb[0];
cmd->se_cmd.tag = atio->u.isp24.exchange_addr;
cmd->unpacked_lun = scsilun_to_int(
@@ -3316,6 +3625,12 @@ out_term:
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;
+ unsigned long flags;
+
+ spin_lock_irqsave(&vha->cmd_list_lock, flags);
+ list_del(&cmd->cmd_list);
+ spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
__qlt_do_work(cmd);
}
@@ -3345,6 +3660,11 @@ static struct qla_tgt_cmd *qlt_get_tag(scsi_qla_host_t *vha,
cmd->loop_id = sess->loop_id;
cmd->conf_compl_supported = sess->conf_compl_supported;
+ cmd->cmd_flags = 0;
+ cmd->jiffies_at_alloc = get_jiffies_64();
+
+ cmd->reset_count = vha->hw->chip_reset;
+
return cmd;
}
@@ -3362,14 +3682,25 @@ static void qlt_create_sess_from_atio(struct work_struct *work)
unsigned long flags;
uint8_t *s_id = op->atio.u.isp24.fcp_hdr.s_id;
+ spin_lock_irqsave(&vha->cmd_list_lock, flags);
+ list_del(&op->cmd_list);
+ spin_unlock_irqrestore(&vha->cmd_list_lock, flags);
+
+ if (op->aborted) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf083,
+ "sess_op with tag %u is aborted\n",
+ op->atio.u.isp24.exchange_addr);
+ goto out_term;
+ }
+
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf022,
- "qla_target(%d): Unable to find wwn login"
- " (s_id %x:%x:%x), trying to create it manually\n",
- vha->vp_idx, s_id[0], s_id[1], s_id[2]);
+ "qla_target(%d): Unable to find wwn login"
+ " (s_id %x:%x:%x), trying to create it manually\n",
+ vha->vp_idx, s_id[0], s_id[1], s_id[2]);
if (op->atio.u.raw.entry_count > 1) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf023,
- "Dropping multy entry atio %p\n", &op->atio);
+ "Dropping multy entry atio %p\n", &op->atio);
goto out_term;
}
@@ -3434,10 +3765,25 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
memcpy(&op->atio, atio, sizeof(*atio));
op->vha = vha;
+
+ spin_lock(&vha->cmd_list_lock);
+ list_add_tail(&op->cmd_list, &vha->qla_sess_op_cmd_list);
+ spin_unlock(&vha->cmd_list_lock);
+
INIT_WORK(&op->work, qlt_create_sess_from_atio);
queue_work(qla_tgt_wq, &op->work);
return 0;
}
+
+ /* Another WWN used to have our s_id. Our PLOGI scheduled its
+ * session deletion, but it's still in sess_del_work wq */
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ ql_dbg(ql_dbg_io, vha, 0x3061,
+ "New command while old session %p is being deleted\n",
+ sess);
+ return -EFAULT;
+ }
+
/*
* Do kref_get() before returning + dropping qla_hw_data->hardware_lock.
*/
@@ -3451,13 +3797,13 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
return -ENOMEM;
}
- cmd->cmd_flags = 0;
- cmd->jiffies_at_alloc = get_jiffies_64();
-
- cmd->reset_count = vha->hw->chip_reset;
-
cmd->cmd_in_wq = 1;
cmd->cmd_flags |= BIT_0;
+
+ spin_lock(&vha->cmd_list_lock);
+ list_add_tail(&cmd->cmd_list, &vha->qla_cmd_list);
+ spin_unlock(&vha->cmd_list_lock);
+
INIT_WORK(&cmd->work, qlt_do_work);
queue_work(qla_tgt_wq, &cmd->work);
return 0;
@@ -3471,6 +3817,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
struct scsi_qla_host *vha = sess->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt_mgmt_cmd *mcmd;
+ struct atio_from_isp *a = (struct atio_from_isp *)iocb;
int res;
uint8_t tmr_func;
@@ -3511,6 +3858,7 @@ static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
ql_dbg(ql_dbg_tgt_tmr, vha, 0x10002,
"qla_target(%d): LUN_RESET received\n", sess->vha->vp_idx);
tmr_func = TMR_LUN_RESET;
+ abort_cmds_for_lun(vha, lun, a->u.isp24.fcp_hdr.s_id);
break;
case QLA_TGT_CLEAR_TS:
@@ -3599,6 +3947,9 @@ static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb)
sizeof(struct atio_from_isp));
}
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS)
+ return -EFAULT;
+
return qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
}
@@ -3664,22 +4015,280 @@ static int qlt_abort_task(struct scsi_qla_host *vha,
return __qlt_abort_task(vha, iocb, sess);
}
+void qlt_logo_completion_handler(fc_port_t *fcport, int rc)
+{
+ if (fcport->tgt_session) {
+ if (rc != MBS_COMMAND_COMPLETE) {
+ ql_dbg(ql_dbg_tgt_mgt, fcport->vha, 0xf093,
+ "%s: se_sess %p / sess %p from"
+ " port %8phC loop_id %#04x s_id %02x:%02x:%02x"
+ " LOGO failed: %#x\n",
+ __func__,
+ fcport->tgt_session->se_sess,
+ fcport->tgt_session,
+ fcport->port_name, fcport->loop_id,
+ fcport->d_id.b.domain, fcport->d_id.b.area,
+ fcport->d_id.b.al_pa, rc);
+ }
+
+ fcport->tgt_session->logout_completed = 1;
+ }
+}
+
+static void qlt_swap_imm_ntfy_iocb(struct imm_ntfy_from_isp *a,
+ struct imm_ntfy_from_isp *b)
+{
+ struct imm_ntfy_from_isp tmp;
+ memcpy(&tmp, a, sizeof(struct imm_ntfy_from_isp));
+ memcpy(a, b, sizeof(struct imm_ntfy_from_isp));
+ memcpy(b, &tmp, sizeof(struct imm_ntfy_from_isp));
+}
+
+/*
+* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list)
+*
+* Schedules sessions with matching port_id/loop_id but different wwn for
+* deletion. Returns existing session with matching wwn if present.
+* Null otherwise.
+*/
+static struct qla_tgt_sess *
+qlt_find_sess_invalidate_other(struct qla_tgt *tgt, uint64_t wwn,
+ port_id_t port_id, uint16_t loop_id)
+{
+ struct qla_tgt_sess *sess = NULL, *other_sess;
+ uint64_t other_wwn;
+
+ list_for_each_entry(other_sess, &tgt->sess_list, sess_list_entry) {
+
+ other_wwn = wwn_to_u64(other_sess->port_name);
+
+ if (wwn == other_wwn) {
+ WARN_ON(sess);
+ sess = other_sess;
+ continue;
+ }
+
+ /* find other sess with nport_id collision */
+ if (port_id.b24 == other_sess->s_id.b24) {
+ if (loop_id != other_sess->loop_id) {
+ ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000c,
+ "Invalidating sess %p loop_id %d wwn %llx.\n",
+ other_sess, other_sess->loop_id, other_wwn);
+
+ /*
+ * logout_on_delete is set by default, but another
+ * session that has the same s_id/loop_id combo
+ * might have cleared it when requested this session
+ * deletion, so don't touch it
+ */
+ qlt_schedule_sess_for_deletion(other_sess, true);
+ } else {
+ /*
+ * Another wwn used to have our s_id/loop_id
+ * combo - kill the session, but don't log out
+ */
+ sess->logout_on_delete = 0;
+ qlt_schedule_sess_for_deletion(other_sess,
+ true);
+ }
+ continue;
+ }
+
+ /* find other sess with nport handle collision */
+ if (loop_id == other_sess->loop_id) {
+ ql_dbg(ql_dbg_tgt_tmr, tgt->vha, 0x1000d,
+ "Invalidating sess %p loop_id %d wwn %llx.\n",
+ other_sess, other_sess->loop_id, other_wwn);
+
+ /* Same loop_id but different s_id
+ * Ok to kill and logout */
+ qlt_schedule_sess_for_deletion(other_sess, true);
+ }
+ }
+
+ return sess;
+}
+
+/* Abort any commands for this s_id waiting on qla_tgt_wq workqueue */
+static int abort_cmds_for_s_id(struct scsi_qla_host *vha, port_id_t *s_id)
+{
+ struct qla_tgt_sess_op *op;
+ struct qla_tgt_cmd *cmd;
+ uint32_t key;
+ int count = 0;
+
+ key = (((u32)s_id->b.domain << 16) |
+ ((u32)s_id->b.area << 8) |
+ ((u32)s_id->b.al_pa));
+
+ spin_lock(&vha->cmd_list_lock);
+ list_for_each_entry(op, &vha->qla_sess_op_cmd_list, cmd_list) {
+ uint32_t op_key = sid_to_key(op->atio.u.isp24.fcp_hdr.s_id);
+ if (op_key == key) {
+ op->aborted = true;
+ count++;
+ }
+ }
+ list_for_each_entry(cmd, &vha->qla_cmd_list, cmd_list) {
+ uint32_t cmd_key = sid_to_key(cmd->atio.u.isp24.fcp_hdr.s_id);
+ if (cmd_key == key) {
+ cmd->state = QLA_TGT_STATE_ABORTED;
+ count++;
+ }
+ }
+ spin_unlock(&vha->cmd_list_lock);
+
+ return count;
+}
+
/*
* ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
*/
static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
struct imm_ntfy_from_isp *iocb)
{
+ struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess = NULL;
+ uint64_t wwn;
+ port_id_t port_id;
+ uint16_t loop_id;
+ uint16_t wd3_lo;
int res = 0;
+ wwn = wwn_to_u64(iocb->u.isp24.port_name);
+
+ port_id.b.domain = iocb->u.isp24.port_id[2];
+ port_id.b.area = iocb->u.isp24.port_id[1];
+ port_id.b.al_pa = iocb->u.isp24.port_id[0];
+ port_id.b.rsvd_1 = 0;
+
+ loop_id = le16_to_cpu(iocb->u.isp24.nport_handle);
+
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
"qla_target(%d): Port ID: 0x%3phC ELS opcode: 0x%02x\n",
vha->vp_idx, iocb->u.isp24.port_id, iocb->u.isp24.status_subcode);
+ /* res = 1 means ack at the end of thread
+ * res = 0 means ack async/later.
+ */
switch (iocb->u.isp24.status_subcode) {
case ELS_PLOGI:
- case ELS_FLOGI:
+
+ /* Mark all stale commands in qla_tgt_wq for deletion */
+ abort_cmds_for_s_id(vha, &port_id);
+
+ if (wwn)
+ sess = qlt_find_sess_invalidate_other(tgt, wwn,
+ port_id, loop_id);
+
+ if (!sess || IS_SW_RESV_ADDR(sess->s_id)) {
+ res = 1;
+ break;
+ }
+
+ if (sess->plogi_ack_needed) {
+ /*
+ * Initiator sent another PLOGI before last PLOGI could
+ * finish. Swap plogi iocbs and terminate old one
+ * without acking, new one will get acked when session
+ * deletion completes.
+ */
+ ql_log(ql_log_warn, sess->vha, 0xf094,
+ "sess %p received double plogi.\n", sess);
+
+ qlt_swap_imm_ntfy_iocb(iocb, &sess->tm_iocb);
+
+ qlt_send_term_imm_notif(vha, iocb, 1);
+
+ res = 0;
+ break;
+ }
+
+ res = 0;
+
+ /*
+ * Save immediate Notif IOCB for Ack when sess is done
+ * and being deleted.
+ */
+ memcpy(&sess->tm_iocb, iocb, sizeof(sess->tm_iocb));
+ sess->plogi_ack_needed = 1;
+
+ /*
+ * Under normal circumstances we want to release nport handle
+ * during LOGO process to avoid nport handle leaks inside FW.
+ * The exception is when LOGO is done while another PLOGI with
+ * the same nport handle is waiting as might be the case here.
+ * Note: there is always a possibily of a race where session
+ * deletion has already started for other reasons (e.g. ACL
+ * removal) and now PLOGI arrives:
+ * 1. if PLOGI arrived in FW after nport handle has been freed,
+ * FW must have assigned this PLOGI a new/same handle and we
+ * can proceed ACK'ing it as usual when session deletion
+ * completes.
+ * 2. if PLOGI arrived in FW before LOGO with LCF_FREE_NPORT
+ * bit reached it, the handle has now been released. We'll
+ * get an error when we ACK this PLOGI. Nothing will be sent
+ * back to initiator. Initiator should eventually retry
+ * PLOGI and situation will correct itself.
+ */
+ sess->keep_nport_handle = ((sess->loop_id == loop_id) &&
+ (sess->s_id.b24 == port_id.b24));
+ qlt_schedule_sess_for_deletion(sess, true);
+ break;
+
case ELS_PRLI:
+ wd3_lo = le16_to_cpu(iocb->u.isp24.u.prli.wd3_lo);
+
+ if (wwn)
+ sess = qlt_find_sess_invalidate_other(tgt, wwn, port_id,
+ loop_id);
+
+ if (sess != NULL) {
+ if (sess->deleted) {
+ /*
+ * Impatient initiator sent PRLI before last
+ * PLOGI could finish. Will force him to re-try,
+ * while last one finishes.
+ */
+ ql_log(ql_log_warn, sess->vha, 0xf095,
+ "sess %p PRLI received, before plogi ack.\n",
+ sess);
+ qlt_send_term_imm_notif(vha, iocb, 1);
+ res = 0;
+ break;
+ }
+
+ /*
+ * This shouldn't happen under normal circumstances,
+ * since we have deleted the old session during PLOGI
+ */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf096,
+ "PRLI (loop_id %#04x) for existing sess %p (loop_id %#04x)\n",
+ sess->loop_id, sess, iocb->u.isp24.nport_handle);
+
+ sess->local = 0;
+ sess->loop_id = loop_id;
+ sess->s_id = port_id;
+
+ if (wd3_lo & BIT_7)
+ sess->conf_compl_supported = 1;
+
+ }
+ res = 1; /* send notify ack */
+
+ /* Make session global (not used in fabric mode) */
+ if (ha->current_topology != ISP_CFG_F) {
+ set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
+ set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else {
+ /* todo: else - create sess here. */
+ res = 1; /* send notify ack */
+ }
+
+ break;
+
case ELS_LOGO:
case ELS_PRLO:
res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
@@ -3697,6 +4306,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
break;
}
+ case ELS_FLOGI: /* should never happen */
default:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061,
"qla_target(%d): Unsupported ELS command %x "
@@ -5012,6 +5622,11 @@ static void qlt_abort_work(struct qla_tgt *tgt,
if (!sess)
goto out_term;
} else {
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ sess = NULL;
+ goto out_term;
+ }
+
kref_get(&sess->se_sess->sess_kref);
}
@@ -5066,6 +5681,11 @@ static void qlt_tmr_work(struct qla_tgt *tgt,
if (!sess)
goto out_term;
} else {
+ if (sess->deleted == QLA_SESS_DELETION_IN_PROGRESS) {
+ sess = NULL;
+ goto out_term;
+ }
+
kref_get(&sess->se_sess->sess_kref);
}
@@ -5552,6 +6172,7 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha)
/* Adjust ring index */
WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index);
+ RD_REG_DWORD_RELAXED(ISP_ATIO_Q_OUT(vha));
}
void
@@ -5793,7 +6414,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
if (!QLA_TGT_MODE_ENABLED())
return;
- if (ha->mqenable || IS_QLA83XX(ha)) {
+ if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in;
ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out;
} else {
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 985d76dd706b..bca584ae45b7 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -167,7 +167,24 @@ struct imm_ntfy_from_isp {
uint32_t srr_rel_offs;
uint16_t srr_ui;
uint16_t srr_ox_id;
- uint8_t reserved_4[19];
+ union {
+ struct {
+ uint8_t node_name[8];
+ } plogi; /* PLOGI/ADISC/PDISC */
+ struct {
+ /* PRLI word 3 bit 0-15 */
+ uint16_t wd3_lo;
+ uint8_t resv0[6];
+ } prli;
+ struct {
+ uint8_t port_id[3];
+ uint8_t resv1;
+ uint16_t nport_handle;
+ uint16_t resv2;
+ } req_els;
+ } u;
+ uint8_t port_name[8];
+ uint8_t resv3[3];
uint8_t vp_index;
uint32_t reserved_5;
uint8_t port_id[3];
@@ -234,6 +251,7 @@ struct nack_to_isp {
uint8_t reserved[2];
uint16_t ox_id;
} __packed;
+#define NOTIFY_ACK_FLAGS_TERMINATE BIT_3
#define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0
#define NOTIFY_ACK_SRR_FLAGS_REJECT 1
@@ -790,13 +808,6 @@ int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
#define FC_TM_REJECT 4
#define FC_TM_FAILED 5
-/*
- * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was
- * terminated, so no more actions is needed and success should be returned
- * to target.
- */
-#define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED 0x1717
-
#if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
#define pci_dma_lo32(a) (a & 0xffffffff)
#define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff)
@@ -874,6 +885,15 @@ struct qla_tgt_sess_op {
struct scsi_qla_host *vha;
struct atio_from_isp atio;
struct work_struct work;
+ struct list_head cmd_list;
+ bool aborted;
+};
+
+enum qla_sess_deletion {
+ QLA_SESS_DELETION_NONE = 0,
+ QLA_SESS_DELETION_PENDING = 1, /* hopefully we can get rid of
+ * this one */
+ QLA_SESS_DELETION_IN_PROGRESS = 2,
};
/*
@@ -884,8 +904,15 @@ struct qla_tgt_sess {
port_id_t s_id;
unsigned int conf_compl_supported:1;
- unsigned int deleted:1;
+ unsigned int deleted:2;
unsigned int local:1;
+ unsigned int logout_on_delete:1;
+ unsigned int plogi_ack_needed:1;
+ unsigned int keep_nport_handle:1;
+
+ unsigned char logout_completed;
+
+ int generation;
struct se_session *se_sess;
struct scsi_qla_host *vha;
@@ -897,6 +924,10 @@ struct qla_tgt_sess {
uint8_t port_name[WWN_SIZE];
struct work_struct free_work;
+
+ union {
+ struct imm_ntfy_from_isp tm_iocb;
+ };
};
struct qla_tgt_cmd {
@@ -912,7 +943,6 @@ struct qla_tgt_cmd {
unsigned int conf_compl_supported:1;
unsigned int sg_mapped:1;
unsigned int free_sg:1;
- unsigned int aborted:1; /* Needed in case of SRR */
unsigned int write_data_transferred:1;
unsigned int ctx_dsd_alloced:1;
unsigned int q_full:1;
@@ -961,6 +991,9 @@ struct qla_tgt_cmd {
* BIT_14 - Back end data received/sent.
* BIT_15 - SRR prepare ctio
* BIT_16 - complete free
+ * BIT_17 - flush - qlt_abort_cmd_on_host_reset
+ * BIT_18 - completion w/abort status
+ * BIT_19 - completion w/unknown status
*/
uint32_t cmd_flags;
};
@@ -1026,6 +1059,10 @@ struct qla_tgt_srr_ctio {
struct qla_tgt_cmd *cmd;
};
+/* Check for Switch reserved address */
+#define IS_SW_RESV_ADDR(_s_id) \
+ ((_s_id.b.domain == 0xff) && (_s_id.b.area == 0xfc))
+
#define QLA_TGT_XMIT_DATA 1
#define QLA_TGT_XMIT_STATUS 2
#define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
@@ -1043,7 +1080,7 @@ extern int qlt_lport_register(void *, u64, u64, u64,
extern void qlt_lport_deregister(struct scsi_qla_host *);
extern void qlt_unreg_sess(struct qla_tgt_sess *);
extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
-extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *);
+extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *, int);
extern int __init qlt_init(void);
extern void qlt_exit(void);
extern void qlt_update_vp_map(struct scsi_qla_host *, int);
@@ -1073,12 +1110,23 @@ static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha)
ha->host->active_mode |= MODE_INITIATOR;
}
+static inline uint32_t sid_to_key(const uint8_t *s_id)
+{
+ uint32_t key;
+
+ key = (((unsigned long)s_id[0] << 16) |
+ ((unsigned long)s_id[1] << 8) |
+ (unsigned long)s_id[2]);
+ return key;
+}
+
/*
* Exported symbols from qla_target.c LLD logic used by qla2xxx code..
*/
extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *);
extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
+extern void qlt_abort_cmd(struct qla_tgt_cmd *);
extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
@@ -1109,5 +1157,7 @@ extern void qlt_stop_phase2(struct qla_tgt *);
extern irqreturn_t qla83xx_msix_atio_q(int, void *);
extern void qlt_83xx_iospace_config(struct qla_hw_data *);
extern int qlt_free_qfull_cmds(struct scsi_qla_host *);
+extern void qlt_logo_completion_handler(fc_port_t *, int);
+extern void qlt_do_generation_tick(struct scsi_qla_host *, int *);
#endif /* __QLA_TARGET_H */
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index d9a8c6084346..9224a06646e6 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -374,7 +374,7 @@ static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd)
{
struct qla_tgt_cmd *cmd = container_of(se_cmd,
struct qla_tgt_cmd, se_cmd);
-
+ cmd->cmd_flags |= BIT_3;
cmd->bufflen = se_cmd->data_length;
cmd->dma_data_direction = target_reverse_dma_direction(se_cmd);
@@ -405,7 +405,7 @@ static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd)
se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) {
spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
wait_for_completion_timeout(&se_cmd->t_transport_stop_comp,
- 3000);
+ 3 * HZ);
return 0;
}
spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
@@ -541,12 +541,10 @@ static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd)
cmd->cmd_flags |= BIT_4;
cmd->bufflen = se_cmd->data_length;
cmd->dma_data_direction = target_reverse_dma_direction(se_cmd);
- cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED);
cmd->sg_cnt = se_cmd->t_data_nents;
cmd->sg = se_cmd->t_data_sg;
cmd->offset = 0;
- cmd->cmd_flags |= BIT_3;
cmd->prot_sg_cnt = se_cmd->t_prot_nents;
cmd->prot_sg = se_cmd->t_prot_sg;
@@ -571,7 +569,6 @@ static int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd)
cmd->sg_cnt = 0;
cmd->offset = 0;
cmd->dma_data_direction = target_reverse_dma_direction(se_cmd);
- cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED);
if (cmd->cmd_flags & BIT_5) {
pr_crit("Bit_5 already set for cmd = %p.\n", cmd);
dump_stack();
@@ -636,14 +633,7 @@ static void tcm_qla2xxx_aborted_task(struct se_cmd *se_cmd)
{
struct qla_tgt_cmd *cmd = container_of(se_cmd,
struct qla_tgt_cmd, se_cmd);
- struct scsi_qla_host *vha = cmd->vha;
- struct qla_hw_data *ha = vha->hw;
-
- if (!cmd->sg_mapped)
- return;
-
- pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
- cmd->sg_mapped = 0;
+ qlt_abort_cmd(cmd);
}
static void tcm_qla2xxx_clear_sess_lookup(struct tcm_qla2xxx_lport *,
@@ -1149,9 +1139,7 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id(
return NULL;
}
- key = (((unsigned long)s_id[0] << 16) |
- ((unsigned long)s_id[1] << 8) |
- (unsigned long)s_id[2]);
+ key = sid_to_key(s_id);
pr_debug("find_sess_by_s_id: 0x%06x\n", key);
se_nacl = btree_lookup32(&lport->lport_fcport_map, key);
@@ -1186,9 +1174,7 @@ static void tcm_qla2xxx_set_sess_by_s_id(
void *slot;
int rc;
- key = (((unsigned long)s_id[0] << 16) |
- ((unsigned long)s_id[1] << 8) |
- (unsigned long)s_id[2]);
+ key = sid_to_key(s_id);
pr_debug("set_sess_by_s_id: %06x\n", key);
slot = btree_lookup32(&lport->lport_fcport_map, key);
@@ -1544,6 +1530,10 @@ static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id,
}
sess->conf_compl_supported = conf_compl_supported;
+
+ /* Reset logout parameters to default */
+ sess->logout_on_delete = 1;
+ sess->keep_nport_handle = 0;
}
/*
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 106884a5444e..cfadccef045c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -944,7 +944,7 @@ void scsi_eh_prep_cmnd(struct scsi_cmnd *scmd, struct scsi_eh_save *ses,
scmd->sdb.length);
scmd->sdb.table.sgl = &ses->sense_sgl;
scmd->sc_data_direction = DMA_FROM_DEVICE;
- scmd->sdb.table.nents = 1;
+ scmd->sdb.table.nents = scmd->sdb.table.orig_nents = 1;
scmd->cmnd[0] = REQUEST_SENSE;
scmd->cmnd[4] = scmd->sdb.length;
scmd->cmd_len = COMMAND_SIZE(scmd->cmnd[0]);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b1a263137a23..448ebdaa3d69 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -583,7 +583,7 @@ static struct scatterlist *scsi_sg_alloc(unsigned int nents, gfp_t gfp_mask)
static void scsi_free_sgtable(struct scsi_data_buffer *sdb, bool mq)
{
- if (mq && sdb->table.nents <= SCSI_MAX_SG_SEGMENTS)
+ if (mq && sdb->table.orig_nents <= SCSI_MAX_SG_SEGMENTS)
return;
__sg_free_table(&sdb->table, SCSI_MAX_SG_SEGMENTS, mq, scsi_sg_free);
}
@@ -597,8 +597,8 @@ static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, bool mq)
if (mq) {
if (nents <= SCSI_MAX_SG_SEGMENTS) {
- sdb->table.nents = nents;
- sg_init_table(sdb->table.sgl, sdb->table.nents);
+ sdb->table.nents = sdb->table.orig_nents = nents;
+ sg_init_table(sdb->table.sgl, nents);
return 0;
}
first_chunk = sdb->table.sgl;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 23:10:52 +0000