/*
* This file is part of the Chelsio FCoE driver for Linux.
*
* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/mm.h>
#include <linux/jiffies.h>
#include <scsi/fc/fc_fs.h>
#include "csio_init.h"
static void
csio_vport_set_state(struct csio_lnode *ln);
/*
* csio_reg_rnode - Register a remote port with FC transport.
* @rn: Rnode representing remote port.
*
* Call fc_remote_port_add() to register this remote port with FC transport.
* If remote port is Initiator OR Target OR both, change the role appropriately.
*
*/
void
csio_reg_rnode(struct csio_rnode *rn)
{
struct csio_lnode *ln = csio_rnode_to_lnode(rn);
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct fc_rport_identifiers ids;
struct fc_rport *rport;
struct csio_service_parms *sp;
ids.node_name = wwn_to_u64(csio_rn_wwnn(rn));
ids.port_name = wwn_to_u64(csio_rn_wwpn(rn));
ids.port_id = rn->nport_id;
ids.roles = FC_RPORT_ROLE_UNKNOWN;
if (rn->role & CSIO_RNFR_INITIATOR || rn->role & CSIO_RNFR_TARGET) {
rport = rn->rport;
CSIO_ASSERT(rport != NULL);
goto update_role;
}
rn->rport = fc_remote_port_add(shost, 0, &ids);
if (!rn->rport) {
csio_ln_err(ln, "Failed to register rport = 0x%x.\n",
rn->nport_id);
return;
}
ln->num_reg_rnodes++;
rport = rn->rport;
spin_lock_irq(shost->host_lock);
*((struct csio_rnode **)rport->dd_data) = rn;
spin_unlock_irq(shost->host_lock);
sp = &rn->rn_sparm;
rport->maxframe_size = ntohs(sp->csp.sp_bb_data);
if (ntohs(sp->clsp[2].cp_class) & FC_CPC_VALID)
rport->supported_classes = FC_COS_CLASS3;
else
rport->supported_classes = FC_COS_UNSPECIFIED;
update_role:
if (rn->role & CSIO_RNFR_INITIATOR)
ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
if (rn->role & CSIO_RNFR_TARGET)
ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
if (ids.roles != FC_RPORT_ROLE_UNKNOWN)
fc_remote_port_rolechg(rport, ids.roles);
rn->scsi_id = rport->scsi_target_id;
csio_ln_dbg(ln, "Remote port x%x role 0x%x registered\n",
rn->nport_id, ids.roles);
}
/*
* csio_unreg_rnode - Unregister a remote port with FC transport.
* @rn: Rnode representing remote port.
*
* Call fc_remote_port_delete() to unregister this remote port with FC
* transport.
*
*/
void
csio_unreg_rnode(struct csio_rnode *rn)
{
struct csio_lnode *ln = csio_rnode_to_lnode(rn);
struct fc_rport *rport = rn->rport;
rn->role &= ~(CSIO_RNFR_INITIATOR | CSIO_RNFR_TARGET);
fc_remote_port_delete(rport);
ln->num_reg_rnodes--;
csio_ln_dbg(ln, "Remote port x%x un-registered\n", rn->nport_id);
}
/*
* csio_lnode_async_event - Async events from local port.
* @ln: lnode representing local port.
*
* Async events from local node that FC transport/SCSI ML
* should be made aware of (Eg: RSCN).
*/
void
csio_lnode_async_event(struct csio_lnode *ln, enum csio_ln_fc_evt fc_evt)
{
switch (fc_evt) {
case CSIO_LN_FC_RSCN:
/* Get payload of rscn from ln */
/* For each RSCN entry */
/*
* fc_host_post_event(shost,
* fc_get_event_number(),
* FCH_EVT_RSCN,
* rscn_entry);
*/
break;
case CSIO_LN_FC_LINKUP:
/* send fc_host_post_event */
/* set vport state */
if (csio_is_npiv_ln(ln))
csio_vport_set_state(ln);
break;
case CSIO_LN_FC_LINKDOWN:
/* send fc_host_post_event */
/* set vport state */
if (csio_is_npiv_ln(ln))
csio_vport_set_state(ln);
break;
case CSIO_LN_FC_ATTRIB_UPDATE:
csio_fchost_attr_init(ln);
break;
default:
break;
}
}
/*
* csio_fchost_attr_init - Initialize FC transport attributes
* @ln: Lnode.
*
*/
void
csio_fchost_attr_init(struct csio_lnode *ln)
{
struct Scsi_Host *shost = csio_ln_to_shost(ln);
fc_host_node_name(shost) = wwn_to_u64(csio_ln_wwnn(ln));
fc_host_port_name(shost) = wwn_to_u64(csio_ln_wwpn(ln));
fc_host_supported_classes(shost) = FC_COS_CLASS3;
fc_host_max_npiv_vports(shost) =
(csio_lnode_to_hw(ln))->fres_info.max_vnps;
fc_host_supported_speeds(shost) = FC_PORTSPEED_10GBIT |
FC_PORTSPEED_1GBIT;
fc_host_maxframe_size(shost) = ntohs(ln->ln_sparm.csp.sp_bb_data);
memset(fc_host_supported_fc4s(shost), 0,
sizeof(fc_host_supported_fc4s(shost)));
fc_host_supported_fc4s(shost)[7] = 1;
memset(fc_host_active_fc4s(shost), 0,
sizeof(fc_host_active_fc4s(shost)));
fc_host_active_fc4s(shost)[7] = 1;
}
/*
* csio_get_host_port_id - sysfs entries for nport_id is
* populated/cached from this function
*/
static void
csio_get_host_port_id(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_hw *hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
fc_host_port_id(shost) = ln->nport_id;
spin_unlock_irq(&hw->lock);
}
/*
* csio_get_port_type - Return FC local port type.
* @shost: scsi host.
*
*/
static void
csio_get_host_port_type(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_hw *hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
if (csio_is_npiv_ln(ln))
fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
else
fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
spin_unlock_irq(&hw->lock);
}
/*
* csio_get_port_state - Return FC local port state.
* @shost: scsi host.
*
*/
static void
csio_get_host_port_state(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_hw *hw = csio_lnode_to_hw(ln);
char state[16];
spin_lock_irq(&hw->lock);
csio_lnode_state_to_str(ln, state);
if (!strcmp(state, "READY"))
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
else if (!strcmp(state, "OFFLINE"))
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
else
fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
spin_unlock_irq(&hw->lock);
}
/*
* csio_get_host_speed - Return link speed to FC transport.
* @shost: scsi host.
*
*/
static void
csio_get_host_speed(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_hw *hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
switch (hw->pport[ln->portid].link_speed) {
case FW_PORT_CAP32_SPEED_1G:
fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
break;
case FW_PORT_CAP32_SPEED_10G:
fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
break;
case FW_PORT_CAP32_SPEED_25G:
fc_host_speed(shost) = FC_PORTSPEED_25GBIT;
break;
case FW_PORT_CAP32_SPEED_40G:
fc_host_speed(shost) = FC_PORTSPEED_40GBIT;
break;
case FW_PORT_CAP32_SPEED_50G:
fc_host_speed(shost) = FC_PORTSPEED_50GBIT;
break;
case FW_PORT_CAP32_SPEED_100G:
fc_host_speed(shost) = FC_PORTSPEED_100GBIT;
break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;
}
spin_unlock_irq(&hw->lock);
}
/*
* csio_get_host_fabric_name - Return fabric name
* @shost: scsi host.
*
*/
static void
csio_get_host_fabric_name(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_rnode *rn = NULL;
struct csio_hw *hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
rn = csio_rnode_lookup_portid(ln, FC_FID_FLOGI);
if (rn)
fc_host_fabric_name(shost) = wwn_to_u64(csio_rn_wwnn(rn));
else
fc_host_fabric_name(shost) = 0;
spin_unlock_irq(&hw->lock);
}
/*
* csio_get_host_speed - Return FC transport statistics.
* @ln: Lnode.
*
*/
static struct fc_host_statistics *
csio_get_stats(struct Scsi_Host *shost)
{
struct csio_lnode *ln = shost_priv(shost);
struct csio_hw *hw = csio_lnode_to_hw(ln);
struct fc_host_statistics *fhs = &ln->fch_stats;
struct fw_fcoe_port_stats fcoe_port_stats;
uint64_t seconds;
memset(&fcoe_port_stats, 0, sizeof(struct fw_fcoe_port_stats));
csio_get_phy_port_stats(hw, ln->portid, &fcoe_port_stats);
fhs->tx_frames += (be64_to_cpu(fcoe_port_stats.tx_bcast_frames) +
be64_to_cpu(fcoe_port_stats.tx_mcast_frames) +
be64_to_cpu(fcoe_port_stats.tx_ucast_frames) +
be64_to_cpu(fcoe_port_stats.tx_offload_frames));
fhs->tx_words += (be64_to_cpu(fcoe_port_stats.tx_bcast_bytes) +
be64_to_cpu(fcoe_port_stats.tx_mcast_bytes) +
be64_to_cpu(fcoe_port_stats.tx_ucast_bytes) +
be64_to_cpu(fcoe_port_stats.tx_offload_bytes)) /
CSIO_WORD_TO_BYTE;
fhs->rx_frames += (be64_to_cpu(fcoe_port_stats.rx_bcast_frames) +
be64_to_cpu(fcoe_port_stats.rx_mcast_frames) +
be64_to_cpu(fcoe_port_stats.rx_ucast_frames));
fhs->rx_words += (be64_to_cpu(fcoe_port_stats.rx_bcast_bytes) +
be64_to_cpu(fcoe_port_stats.rx_mcast_bytes) +
be64_to_cpu(fcoe_port_stats.rx_ucast_bytes)) /
CSIO_WORD_TO_BYTE;
fhs->error_frames += be64_to_cpu(fcoe_port_stats.rx_err_frames);
fhs->fcp_input_requests += ln->stats.n_input_requests;
fhs->fcp_output_requests += ln->stats.n_output_requests;
fhs->fcp_control_requests += ln->stats.n_control_requests;
fhs->fcp_input_megabytes += ln->stats.n_input_bytes >> 20;
fhs->fcp_output_megabytes += ln->stats.n_output_bytes >> 20;
fhs->link_failure_count = ln->stats.n_link_down;
/* Reset stats for the device */
seconds = jiffies_to_msecs(jiffies) - hw->stats.n_reset_start;
do_div(seconds, 1000);
fhs->seconds_since_last_reset = seconds;
return fhs;
}
/*
* csio_set_rport_loss_tmo - Set the rport dev loss timeout
* @rport: fc rport.
* @timeout: new value for dev loss tmo.
*
* If timeout is non zero set the dev_loss_tmo to timeout, else set
* dev_loss_tmo to one.
*/
static void
csio_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
if (timeout)
rport->dev_loss_tmo = timeout;
else
rport->dev_loss_tmo = 1;
}
static void
csio_vport_set_state(struct csio_lnode *ln)
{
struct fc_vport *fc_vport = ln->fc_vport;
struct csio_lnode *pln = ln->pln;
char state[16];
/* Set fc vport state based on phyiscal lnode */
csio_lnode_state_to_str(pln, state);
if (strcmp(state, "READY")) {
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
return;
}
if (!(pln->flags & CSIO_LNF_NPIVSUPP)) {
fc_vport_set_state(fc_vport, FC_VPORT_NO_FABRIC_SUPP);
return;
}
/* Set fc vport state based on virtual lnode */
csio_lnode_state_to_str(ln, state);
if (strcmp(state, "READY")) {
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
return;
}
fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
}
static int
csio_fcoe_alloc_vnp(struct csio_hw *hw, struct csio_lnode *ln)
{
struct csio_lnode *pln;
struct csio_mb *mbp;
struct fw_fcoe_vnp_cmd *rsp;
int ret = 0;
int retry = 0;
/* Issue VNP cmd to alloc vport */
/* Allocate Mbox request */
spin_lock_irq(&hw->lock);
mbp = mempool_alloc(hw->mb_mempool, GFP_ATOMIC);
if (!mbp) {
CSIO_INC_STATS(hw, n_err_nomem);
ret = -ENOMEM;
goto out;
}
pln = ln->pln;
ln->fcf_flowid = pln->fcf_flowid;
ln->portid = pln->portid;
csio_fcoe_vnp_alloc_init_mb(ln, mbp, CSIO_MB_DEFAULT_TMO,
pln->fcf_flowid, pln->vnp_flowid, 0,
csio_ln_wwnn(ln), csio_ln_wwpn(ln), NULL);
for (retry = 0; retry < 3; retry++) {
/* FW is expected to complete vnp cmd in immediate mode
* without much delay.
* Otherwise, there will be increase in IO latency since HW
* lock is held till completion of vnp mbox cmd.
*/
ret = csio_mb_issue(hw, mbp);
if (ret != -EBUSY)
break;
/* Retry if mbox returns busy */
spin_unlock_irq(&hw->lock);
msleep(2000);
spin_lock_irq(&hw->lock);
}
if (ret) {
csio_ln_err(ln, "Failed to issue mbox FCoE VNP command\n");
goto out_free;
}
/* Process Mbox response of VNP command */
rsp = (struct fw_fcoe_vnp_cmd *)(mbp->mb);
if (FW_CMD_RETVAL_G(ntohl(rsp->alloc_to_len16)) != FW_SUCCESS) {
csio_ln_err(ln, "FCOE VNP ALLOC cmd returned 0x%x!\n",
FW_CMD_RETVAL_G(ntohl(rsp->alloc_to_len16)));
ret = -EINVAL;
goto out_free;
}
ln->vnp_flowid = FW_FCOE_VNP_CMD_VNPI_GET(
ntohl(rsp->gen_wwn_to_vnpi));
memcpy(csio_ln_wwnn(ln), rsp->vnport_wwnn, 8);
memcpy(csio_ln_wwpn(ln), rsp->vnport_wwpn, 8);
csio_ln_dbg(ln, "FCOE VNPI: 0x%x\n", ln->vnp_flowid);
csio_ln_dbg(ln, "\tWWNN: %x%x%x%x%x%x%x%x\n",
ln->ln_sparm.wwnn[0], ln->ln_sparm.wwnn[1],
ln->ln_sparm.wwnn[2], ln->ln_sparm.wwnn[3],
ln->ln_sparm.wwnn[4], ln->ln_sparm.wwnn[5],
ln->ln_sparm.wwnn[6], ln->ln_sparm.wwnn[7]);
csio_ln_dbg(ln, "\tWWPN: %x%x%x%x%x%x%x%x\n",
ln->ln_sparm.wwpn[0], ln->ln_sparm.wwpn[1],
ln->ln_sparm.wwpn[2], ln->ln_sparm.wwpn[3],
ln->ln_sparm.wwpn[4], ln->ln_sparm.wwpn[5],
ln->ln_sparm.wwpn[6], ln->ln_sparm.wwpn[7]);
out_free:
mempool_free(mbp, hw->mb_mempool);
out:
spin_unlock_irq(&hw->lock);
return ret;
}
static int
csio_fcoe_free_vnp(struct csio_hw *hw, struct csio_lnode *ln)
{
struct csio_mb *mbp;
struct fw_fcoe_vnp_cmd *rsp;
int ret = 0;
int retry = 0;
/* Issue VNP cmd to free vport */
/* Allocate Mbox request */
spin_lock_irq(&hw->lock);
mbp = mempool_alloc(hw->mb_mempool, GFP_ATOMIC);
if (!mbp) {
CSIO_INC_STATS(hw, n_err_nomem);
ret = -ENOMEM;
goto out;
}
csio_fcoe_vnp_free_init_mb(ln, mbp, CSIO_MB_DEFAULT_TMO,
ln->fcf_flowid, ln->vnp_flowid,
NULL);
for (retry = 0; retry < 3; retry++) {
ret = csio_mb_issue(hw, mbp);
if (ret != -EBUSY)
break;
/* Retry if mbox returns busy */
spin_unlock_irq(&hw->lock);
msleep(2000);
spin_lock_irq(&hw->lock);
}
if (ret) {
csio_ln_err(ln, "Failed to issue mbox FCoE VNP command\n");
goto out_free;
}
/* Process Mbox response of VNP command */
rsp = (struct fw_fcoe_vnp_cmd *)(mbp->mb);
if (FW_CMD_RETVAL_G(ntohl(rsp->alloc_to_len16)) != FW_SUCCESS) {
csio_ln_err(ln, "FCOE VNP FREE cmd returned 0x%x!\n",
FW_CMD_RETVAL_G(ntohl(rsp->alloc_to_len16)));
ret = -EINVAL;
}
out_free:
mempool_free(mbp, hw->mb_mempool);
out:
spin_unlock_irq(&hw->lock);
return ret;
}
static int
csio_vport_create(struct fc_vport *fc_vport, bool disable)
{
struct Scsi_Host *shost = fc_vport->shost;
struct csio_lnode *pln = shost_priv(shost);
struct csio_lnode *ln = NULL;
struct csio_hw *hw = csio_lnode_to_hw(pln);
uint8_t wwn[8];
int ret = -1;
ln = csio_shost_init(hw, &fc_vport->dev, false, pln);
if (!ln)
goto error;
if (fc_vport->node_name != 0) {
u64_to_wwn(fc_vport->node_name, wwn);
if (!CSIO_VALID_WWN(wwn)) {
csio_ln_err(ln,
"vport create failed. Invalid wwnn\n");
goto error;
}
memcpy(csio_ln_wwnn(ln), wwn, 8);
}
if (fc_vport->port_name != 0) {
u64_to_wwn(fc_vport->port_name, wwn);
if (!CSIO_VALID_WWN(wwn)) {
csio_ln_err(ln,
"vport create failed. Invalid wwpn\n");
goto error;
}
if (csio_lnode_lookup_by_wwpn(hw, wwn)) {
csio_ln_err(ln,
"vport create failed. wwpn already exists\n");
goto error;
}
memcpy(csio_ln_wwpn(ln), wwn, 8);
}
fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
ln->fc_vport = fc_vport;
if (csio_fcoe_alloc_vnp(hw, ln))
goto error;
*(struct csio_lnode **)fc_vport->dd_data = ln;
if (!fc_vport->node_name)
fc_vport->node_name = wwn_to_u64(csio_ln_wwnn(ln));
if (!fc_vport->port_name)
fc_vport->port_name = wwn_to_u64(csio_ln_wwpn(ln));
csio_fchost_attr_init(ln);
return 0;
error:
if (ln)
csio_shost_exit(ln);
return ret;
}
static int
csio_vport_delete(struct fc_vport *fc_vport)
{
struct csio_lnode *ln = *(struct csio_lnode **)fc_vport->dd_data;
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct csio_hw *hw = csio_lnode_to_hw(ln);
int rmv;
spin_lock_irq(&hw->lock);
rmv = csio_is_hw_removing(hw);
spin_unlock_irq(&hw->lock);
if (rmv) {
csio_shost_exit(ln);
return 0;
}
/* Quiesce ios and send remove event to lnode */
scsi_block_requests(shost);
spin_lock_irq(&hw->lock);
csio_scsim_cleanup_io_lnode(csio_hw_to_scsim(hw), ln);
csio_lnode_close(ln);
spin_unlock_irq(&hw->lock);
scsi_unblock_requests(shost);
/* Free vnp */
if (fc_vport->vport_state != FC_VPORT_DISABLED)
csio_fcoe_free_vnp(hw, ln);
csio_shost_exit(ln);
return 0;
}
static int
csio_vport_disable(struct fc_vport *fc_vport, bool disable)
{
struct csio_lnode *ln = *(struct csio_lnode **)fc_vport->dd_data;
struct Scsi_Host *shost = csio_ln_to_shost(ln);
struct csio_hw *hw = csio_lnode_to_hw(ln);
/* disable vport */
if (disable) {
/* Quiesce ios and send stop event to lnode */
scsi_block_requests(shost);
spin_lock_irq(&hw->lock);
csio_scsim_cleanup_io_lnode(csio_hw_to_scsim(hw), ln);
csio_lnode_stop(ln);
spin_unlock_irq(&hw->lock);
scsi_unblock_requests(shost);
/* Free vnp */
csio_fcoe_free_vnp(hw, ln);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
csio_ln_err(ln, "vport disabled\n");
return 0;
} else {
/* enable vport */
fc_vport_set_state(fc_vport, FC_VPORT_INITIALIZING);
if (csio_fcoe_alloc_vnp(hw, ln)) {
csio_ln_err(ln, "vport enabled failed.\n");
return -1;
}
csio_ln_err(ln, "vport enabled\n");
return 0;
}
}
static void
csio_dev_loss_tmo_callbk(struct fc_rport *rport)
{
struct csio_rnode *rn;
struct csio_hw *hw;
struct csio_lnode *ln;
rn = *((struct csio_rnode **)rport->dd_data);
ln = csio_rnode_to_lnode(rn);
hw = csio_lnode_to_hw(ln);
spin_lock_irq(&hw->lock);
/* return if driver is being removed or same rnode comes back online */
if (csio_is_hw_removing(hw) || csio_is_rnode_ready(rn))
goto out;
csio_ln_dbg(ln, "devloss timeout on rnode:%p portid:x%x flowid:x%x\n",
rn, rn->nport_id, csio_rn_flowid(rn));
CSIO_INC_STATS(ln, n_dev_loss_tmo);
/*
* enqueue devloss event to event worker thread to serialize all
* rnode events.
*/
if (csio_enqueue_evt(hw, CSIO_EVT_DEV_LOSS, &rn, sizeof(rn))) {
CSIO_INC_STATS(hw, n_evt_drop);
goto out;
}
if (!(hw->flags & CSIO_HWF_FWEVT_PENDING)) {
hw->flags |= CSIO_HWF_FWEVT_PENDING;
spin_unlock_irq(&hw->lock);
schedule_work(&hw->evtq_work);
return;
}
out:
spin_unlock_irq(&hw->lock);
}
/* FC transport functions template - Physical port */
struct fc_function_template csio_fc_transport_funcs = {
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_fc4s = 1,
.show_host_maxframe_size = 1,
.get_host_port_id = csio_get_host_port_id,
.show_host_port_id = 1,
.get_host_port_type = csio_get_host_port_type,
.show_host_port_type = 1,
.get_host_port_state = csio_get_host_port_state,
.show_host_port_state = 1,
.show_host_active_fc4s = 1,
.get_host_speed = csio_get_host_speed,
.show_host_speed = 1,
.get_host_fabric_name = csio_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_fc_host_stats = csio_get_stats,
.dd_fcrport_size = sizeof(struct csio_rnode *),
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
.set_rport_dev_loss_tmo = csio_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.show_starget_port_id = 1,
.show_starget_node_name = 1,
.show_starget_port_name = 1,
.dev_loss_tmo_callbk = csio_dev_loss_tmo_callbk,
.dd_fcvport_size = sizeof(struct csio_lnode *),
.vport_create = csio_vport_create,
.vport_disable = csio_vport_disable,
.vport_delete = csio_vport_delete,
};
/* FC transport functions template - Virtual port */
struct fc_function_template csio_fc_transport_vport_funcs = {
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_fc4s = 1,
.show_host_maxframe_size = 1,
.get_host_port_id = csio_get_host_port_id,
.show_host_port_id = 1,
.get_host_port_type = csio_get_host_port_type,
.show_host_port_type = 1,
.get_host_port_state = csio_get_host_port_state,
.show_host_port_state = 1,
.show_host_active_fc4s = 1,
.get_host_speed = csio_get_host_speed,
.show_host_speed = 1,
.get_host_fabric_name = csio_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_fc_host_stats = csio_get_stats,
.dd_fcrport_size = sizeof(struct csio_rnode *),
.show_rport_maxframe_size = 1,
.show_rport_supported_classes = 1,
.set_rport_dev_loss_tmo = csio_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.show_starget_port_id = 1,
.show_starget_node_name = 1,
.show_starget_port_name = 1,
.dev_loss_tmo_callbk = csio_dev_loss_tmo_callbk,
};
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