mirror of https://gitee.com/openkylin/linux.git
716 lines
18 KiB
C
716 lines
18 KiB
C
/*
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* QLogic Fibre Channel HBA Driver
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* Copyright (c) 2003-2017 QLogic Corporation
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*
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* See LICENSE.qla2xxx for copyright and licensing details.
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*/
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#include "qla_nvme.h"
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#include <linux/scatterlist.h>
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#include <linux/delay.h>
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#include <linux/nvme.h>
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#include <linux/nvme-fc.h>
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static struct nvme_fc_port_template qla_nvme_fc_transport;
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int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport)
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{
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struct qla_nvme_rport *rport;
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struct nvme_fc_port_info req;
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int ret;
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if (!IS_ENABLED(CONFIG_NVME_FC))
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return 0;
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if (!vha->flags.nvme_enabled) {
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ql_log(ql_log_info, vha, 0x2100,
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"%s: Not registering target since Host NVME is not enabled\n",
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__func__);
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return 0;
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}
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if (!vha->nvme_local_port && qla_nvme_register_hba(vha))
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return 0;
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if (!(fcport->nvme_prli_service_param &
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(NVME_PRLI_SP_TARGET | NVME_PRLI_SP_DISCOVERY)) ||
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(fcport->nvme_flag & NVME_FLAG_REGISTERED))
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return 0;
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fcport->nvme_flag &= ~NVME_FLAG_RESETTING;
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memset(&req, 0, sizeof(struct nvme_fc_port_info));
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req.port_name = wwn_to_u64(fcport->port_name);
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req.node_name = wwn_to_u64(fcport->node_name);
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req.port_role = 0;
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req.dev_loss_tmo = NVME_FC_DEV_LOSS_TMO;
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if (fcport->nvme_prli_service_param & NVME_PRLI_SP_INITIATOR)
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req.port_role = FC_PORT_ROLE_NVME_INITIATOR;
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if (fcport->nvme_prli_service_param & NVME_PRLI_SP_TARGET)
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req.port_role |= FC_PORT_ROLE_NVME_TARGET;
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if (fcport->nvme_prli_service_param & NVME_PRLI_SP_DISCOVERY)
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req.port_role |= FC_PORT_ROLE_NVME_DISCOVERY;
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req.port_id = fcport->d_id.b24;
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ql_log(ql_log_info, vha, 0x2102,
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"%s: traddr=nn-0x%016llx:pn-0x%016llx PortID:%06x\n",
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__func__, req.node_name, req.port_name,
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req.port_id);
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ret = nvme_fc_register_remoteport(vha->nvme_local_port, &req,
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&fcport->nvme_remote_port);
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if (ret) {
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ql_log(ql_log_warn, vha, 0x212e,
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"Failed to register remote port. Transport returned %d\n",
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ret);
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return ret;
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}
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rport = fcport->nvme_remote_port->private;
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rport->fcport = fcport;
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fcport->nvme_flag |= NVME_FLAG_REGISTERED;
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return 0;
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}
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/* Allocate a queue for NVMe traffic */
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static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
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unsigned int qidx, u16 qsize, void **handle)
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{
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struct scsi_qla_host *vha;
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struct qla_hw_data *ha;
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struct qla_qpair *qpair;
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if (!qidx)
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qidx++;
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vha = (struct scsi_qla_host *)lport->private;
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ha = vha->hw;
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ql_log(ql_log_info, vha, 0x2104,
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"%s: handle %p, idx =%d, qsize %d\n",
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__func__, handle, qidx, qsize);
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if (qidx > qla_nvme_fc_transport.max_hw_queues) {
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ql_log(ql_log_warn, vha, 0x212f,
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"%s: Illegal qidx=%d. Max=%d\n",
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__func__, qidx, qla_nvme_fc_transport.max_hw_queues);
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return -EINVAL;
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}
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if (ha->queue_pair_map[qidx]) {
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*handle = ha->queue_pair_map[qidx];
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ql_log(ql_log_info, vha, 0x2121,
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"Returning existing qpair of %p for idx=%x\n",
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*handle, qidx);
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return 0;
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}
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qpair = qla2xxx_create_qpair(vha, 5, vha->vp_idx, true);
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if (qpair == NULL) {
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ql_log(ql_log_warn, vha, 0x2122,
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"Failed to allocate qpair\n");
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return -EINVAL;
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}
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*handle = qpair;
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return 0;
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}
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static void qla_nvme_release_fcp_cmd_kref(struct kref *kref)
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{
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struct srb *sp = container_of(kref, struct srb, cmd_kref);
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struct nvme_private *priv = (struct nvme_private *)sp->priv;
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struct nvmefc_fcp_req *fd;
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struct srb_iocb *nvme;
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unsigned long flags;
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if (!priv)
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goto out;
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nvme = &sp->u.iocb_cmd;
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fd = nvme->u.nvme.desc;
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spin_lock_irqsave(&priv->cmd_lock, flags);
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priv->sp = NULL;
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sp->priv = NULL;
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if (priv->comp_status == QLA_SUCCESS) {
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fd->rcv_rsplen = nvme->u.nvme.rsp_pyld_len;
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} else {
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fd->rcv_rsplen = 0;
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fd->transferred_length = 0;
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}
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fd->status = 0;
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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fd->done(fd);
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out:
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qla2xxx_rel_qpair_sp(sp->qpair, sp);
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}
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static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
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{
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struct srb *sp = container_of(kref, struct srb, cmd_kref);
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struct nvme_private *priv = (struct nvme_private *)sp->priv;
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struct nvmefc_ls_req *fd;
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unsigned long flags;
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if (!priv)
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goto out;
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spin_lock_irqsave(&priv->cmd_lock, flags);
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priv->sp = NULL;
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sp->priv = NULL;
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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fd = priv->fd;
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fd->done(fd, priv->comp_status);
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out:
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qla2x00_rel_sp(sp);
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}
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static void qla_nvme_ls_complete(struct work_struct *work)
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{
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struct nvme_private *priv =
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container_of(work, struct nvme_private, ls_work);
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kref_put(&priv->sp->cmd_kref, qla_nvme_release_ls_cmd_kref);
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}
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static void qla_nvme_sp_ls_done(srb_t *sp, int res)
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{
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struct nvme_private *priv = sp->priv;
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if (WARN_ON_ONCE(kref_read(&sp->cmd_kref) == 0))
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return;
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if (res)
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res = -EINVAL;
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priv->comp_status = res;
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INIT_WORK(&priv->ls_work, qla_nvme_ls_complete);
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schedule_work(&priv->ls_work);
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}
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/* it assumed that QPair lock is held. */
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static void qla_nvme_sp_done(srb_t *sp, int res)
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{
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struct nvme_private *priv = sp->priv;
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priv->comp_status = res;
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kref_put(&sp->cmd_kref, qla_nvme_release_fcp_cmd_kref);
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return;
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}
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static void qla_nvme_abort_work(struct work_struct *work)
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{
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struct nvme_private *priv =
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container_of(work, struct nvme_private, abort_work);
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srb_t *sp = priv->sp;
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fc_port_t *fcport = sp->fcport;
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struct qla_hw_data *ha = fcport->vha->hw;
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int rval;
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ql_dbg(ql_dbg_io, fcport->vha, 0xffff,
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"%s called for sp=%p, hndl=%x on fcport=%p deleted=%d\n",
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__func__, sp, sp->handle, fcport, fcport->deleted);
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if (!ha->flags.fw_started && fcport->deleted)
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goto out;
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if (ha->flags.host_shutting_down) {
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ql_log(ql_log_info, sp->fcport->vha, 0xffff,
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"%s Calling done on sp: %p, type: 0x%x, sp->ref_count: 0x%x\n",
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__func__, sp, sp->type, atomic_read(&sp->ref_count));
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sp->done(sp, 0);
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goto out;
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}
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rval = ha->isp_ops->abort_command(sp);
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ql_dbg(ql_dbg_io, fcport->vha, 0x212b,
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"%s: %s command for sp=%p, handle=%x on fcport=%p rval=%x\n",
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__func__, (rval != QLA_SUCCESS) ? "Failed to abort" : "Aborted",
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sp, sp->handle, fcport, rval);
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out:
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/* kref_get was done before work was schedule. */
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kref_put(&sp->cmd_kref, sp->put_fn);
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}
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static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport,
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struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
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{
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struct nvme_private *priv = fd->private;
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unsigned long flags;
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spin_lock_irqsave(&priv->cmd_lock, flags);
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if (!priv->sp) {
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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return;
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}
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if (!kref_get_unless_zero(&priv->sp->cmd_kref)) {
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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return;
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}
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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INIT_WORK(&priv->abort_work, qla_nvme_abort_work);
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schedule_work(&priv->abort_work);
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}
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static int qla_nvme_ls_req(struct nvme_fc_local_port *lport,
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struct nvme_fc_remote_port *rport, struct nvmefc_ls_req *fd)
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{
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struct qla_nvme_rport *qla_rport = rport->private;
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fc_port_t *fcport = qla_rport->fcport;
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struct srb_iocb *nvme;
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struct nvme_private *priv = fd->private;
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struct scsi_qla_host *vha;
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int rval = QLA_FUNCTION_FAILED;
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struct qla_hw_data *ha;
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srb_t *sp;
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if (!fcport || (fcport && fcport->deleted))
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return rval;
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vha = fcport->vha;
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ha = vha->hw;
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if (!ha->flags.fw_started)
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return rval;
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/* Alloc SRB structure */
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sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
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if (!sp)
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return rval;
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sp->type = SRB_NVME_LS;
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sp->name = "nvme_ls";
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sp->done = qla_nvme_sp_ls_done;
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sp->put_fn = qla_nvme_release_ls_cmd_kref;
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sp->priv = (void *)priv;
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priv->sp = sp;
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kref_init(&sp->cmd_kref);
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spin_lock_init(&priv->cmd_lock);
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nvme = &sp->u.iocb_cmd;
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priv->fd = fd;
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nvme->u.nvme.desc = fd;
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nvme->u.nvme.dir = 0;
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nvme->u.nvme.dl = 0;
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nvme->u.nvme.cmd_len = fd->rqstlen;
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nvme->u.nvme.rsp_len = fd->rsplen;
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nvme->u.nvme.rsp_dma = fd->rspdma;
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nvme->u.nvme.timeout_sec = fd->timeout;
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nvme->u.nvme.cmd_dma = dma_map_single(&ha->pdev->dev, fd->rqstaddr,
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fd->rqstlen, DMA_TO_DEVICE);
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dma_sync_single_for_device(&ha->pdev->dev, nvme->u.nvme.cmd_dma,
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fd->rqstlen, DMA_TO_DEVICE);
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rval = qla2x00_start_sp(sp);
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if (rval != QLA_SUCCESS) {
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ql_log(ql_log_warn, vha, 0x700e,
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"qla2x00_start_sp failed = %d\n", rval);
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wake_up(&sp->nvme_ls_waitq);
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sp->priv = NULL;
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priv->sp = NULL;
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qla2x00_rel_sp(sp);
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return rval;
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}
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return rval;
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}
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static void qla_nvme_fcp_abort(struct nvme_fc_local_port *lport,
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struct nvme_fc_remote_port *rport, void *hw_queue_handle,
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struct nvmefc_fcp_req *fd)
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{
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struct nvme_private *priv = fd->private;
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unsigned long flags;
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spin_lock_irqsave(&priv->cmd_lock, flags);
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if (!priv->sp) {
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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return;
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}
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if (!kref_get_unless_zero(&priv->sp->cmd_kref)) {
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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return;
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}
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spin_unlock_irqrestore(&priv->cmd_lock, flags);
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INIT_WORK(&priv->abort_work, qla_nvme_abort_work);
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schedule_work(&priv->abort_work);
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}
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static inline int qla2x00_start_nvme_mq(srb_t *sp)
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{
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unsigned long flags;
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uint32_t *clr_ptr;
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uint32_t handle;
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struct cmd_nvme *cmd_pkt;
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uint16_t cnt, i;
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uint16_t req_cnt;
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uint16_t tot_dsds;
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uint16_t avail_dsds;
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struct dsd64 *cur_dsd;
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struct req_que *req = NULL;
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struct scsi_qla_host *vha = sp->fcport->vha;
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struct qla_hw_data *ha = vha->hw;
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struct qla_qpair *qpair = sp->qpair;
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struct srb_iocb *nvme = &sp->u.iocb_cmd;
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struct scatterlist *sgl, *sg;
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struct nvmefc_fcp_req *fd = nvme->u.nvme.desc;
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uint32_t rval = QLA_SUCCESS;
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/* Setup qpair pointers */
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req = qpair->req;
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tot_dsds = fd->sg_cnt;
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/* Acquire qpair specific lock */
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spin_lock_irqsave(&qpair->qp_lock, flags);
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handle = qla2xxx_get_next_handle(req);
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if (handle == 0) {
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rval = -EBUSY;
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goto queuing_error;
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}
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req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
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if (req->cnt < (req_cnt + 2)) {
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cnt = IS_SHADOW_REG_CAPABLE(ha) ? *req->out_ptr :
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RD_REG_DWORD_RELAXED(req->req_q_out);
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if (req->ring_index < cnt)
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req->cnt = cnt - req->ring_index;
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else
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req->cnt = req->length - (req->ring_index - cnt);
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if (req->cnt < (req_cnt + 2)){
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rval = -EBUSY;
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goto queuing_error;
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}
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}
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if (unlikely(!fd->sqid)) {
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struct nvme_fc_cmd_iu *cmd = fd->cmdaddr;
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if (cmd->sqe.common.opcode == nvme_admin_async_event) {
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nvme->u.nvme.aen_op = 1;
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atomic_inc(&ha->nvme_active_aen_cnt);
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}
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}
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/* Build command packet. */
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req->current_outstanding_cmd = handle;
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req->outstanding_cmds[handle] = sp;
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sp->handle = handle;
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req->cnt -= req_cnt;
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cmd_pkt = (struct cmd_nvme *)req->ring_ptr;
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cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
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/* Zero out remaining portion of packet. */
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clr_ptr = (uint32_t *)cmd_pkt + 2;
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memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
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cmd_pkt->entry_status = 0;
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/* Update entry type to indicate Command NVME IOCB */
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cmd_pkt->entry_type = COMMAND_NVME;
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/* No data transfer how do we check buffer len == 0?? */
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if (fd->io_dir == NVMEFC_FCP_READ) {
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cmd_pkt->control_flags = CF_READ_DATA;
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vha->qla_stats.input_bytes += fd->payload_length;
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vha->qla_stats.input_requests++;
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} else if (fd->io_dir == NVMEFC_FCP_WRITE) {
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cmd_pkt->control_flags = CF_WRITE_DATA;
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if ((vha->flags.nvme_first_burst) &&
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(sp->fcport->nvme_prli_service_param &
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NVME_PRLI_SP_FIRST_BURST)) {
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if ((fd->payload_length <=
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sp->fcport->nvme_first_burst_size) ||
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(sp->fcport->nvme_first_burst_size == 0))
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cmd_pkt->control_flags |=
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CF_NVME_FIRST_BURST_ENABLE;
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}
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vha->qla_stats.output_bytes += fd->payload_length;
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vha->qla_stats.output_requests++;
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} else if (fd->io_dir == 0) {
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cmd_pkt->control_flags = 0;
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}
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/* Set NPORT-ID */
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cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
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cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
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cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
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cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
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cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
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/* NVME RSP IU */
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cmd_pkt->nvme_rsp_dsd_len = cpu_to_le16(fd->rsplen);
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put_unaligned_le64(fd->rspdma, &cmd_pkt->nvme_rsp_dseg_address);
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/* NVME CNMD IU */
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cmd_pkt->nvme_cmnd_dseg_len = cpu_to_le16(fd->cmdlen);
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cmd_pkt->nvme_cmnd_dseg_address = cpu_to_le64(fd->cmddma);
|
|
|
|
cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
|
|
cmd_pkt->byte_count = cpu_to_le32(fd->payload_length);
|
|
|
|
/* One DSD is available in the Command Type NVME IOCB */
|
|
avail_dsds = 1;
|
|
cur_dsd = &cmd_pkt->nvme_dsd;
|
|
sgl = fd->first_sgl;
|
|
|
|
/* Load data segments */
|
|
for_each_sg(sgl, sg, tot_dsds, i) {
|
|
cont_a64_entry_t *cont_pkt;
|
|
|
|
/* Allocate additional continuation packets? */
|
|
if (avail_dsds == 0) {
|
|
/*
|
|
* Five DSDs are available in the Continuation
|
|
* Type 1 IOCB.
|
|
*/
|
|
|
|
/* Adjust ring index */
|
|
req->ring_index++;
|
|
if (req->ring_index == req->length) {
|
|
req->ring_index = 0;
|
|
req->ring_ptr = req->ring;
|
|
} else {
|
|
req->ring_ptr++;
|
|
}
|
|
cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
|
|
put_unaligned_le32(CONTINUE_A64_TYPE,
|
|
&cont_pkt->entry_type);
|
|
|
|
cur_dsd = cont_pkt->dsd;
|
|
avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
|
|
}
|
|
|
|
append_dsd64(&cur_dsd, sg);
|
|
avail_dsds--;
|
|
}
|
|
|
|
/* Set total entry count. */
|
|
cmd_pkt->entry_count = (uint8_t)req_cnt;
|
|
wmb();
|
|
|
|
/* Adjust ring index. */
|
|
req->ring_index++;
|
|
if (req->ring_index == req->length) {
|
|
req->ring_index = 0;
|
|
req->ring_ptr = req->ring;
|
|
} else {
|
|
req->ring_ptr++;
|
|
}
|
|
|
|
/* Set chip new ring index. */
|
|
WRT_REG_DWORD(req->req_q_in, req->ring_index);
|
|
|
|
queuing_error:
|
|
spin_unlock_irqrestore(&qpair->qp_lock, flags);
|
|
return rval;
|
|
}
|
|
|
|
/* Post a command */
|
|
static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
|
|
struct nvme_fc_remote_port *rport, void *hw_queue_handle,
|
|
struct nvmefc_fcp_req *fd)
|
|
{
|
|
fc_port_t *fcport;
|
|
struct srb_iocb *nvme;
|
|
struct scsi_qla_host *vha;
|
|
int rval = -ENODEV;
|
|
srb_t *sp;
|
|
struct qla_qpair *qpair = hw_queue_handle;
|
|
struct nvme_private *priv = fd->private;
|
|
struct qla_nvme_rport *qla_rport = rport->private;
|
|
|
|
fcport = qla_rport->fcport;
|
|
|
|
if (!qpair || !fcport || (qpair && !qpair->fw_started) ||
|
|
(fcport && fcport->deleted))
|
|
return rval;
|
|
|
|
vha = fcport->vha;
|
|
/*
|
|
* If we know the dev is going away while the transport is still sending
|
|
* IO's return busy back to stall the IO Q. This happens when the
|
|
* link goes away and fw hasn't notified us yet, but IO's are being
|
|
* returned. If the dev comes back quickly we won't exhaust the IO
|
|
* retry count at the core.
|
|
*/
|
|
if (fcport->nvme_flag & NVME_FLAG_RESETTING)
|
|
return -EBUSY;
|
|
|
|
/* Alloc SRB structure */
|
|
sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC);
|
|
if (!sp)
|
|
return -EBUSY;
|
|
|
|
init_waitqueue_head(&sp->nvme_ls_waitq);
|
|
kref_init(&sp->cmd_kref);
|
|
spin_lock_init(&priv->cmd_lock);
|
|
sp->priv = (void *)priv;
|
|
priv->sp = sp;
|
|
sp->type = SRB_NVME_CMD;
|
|
sp->name = "nvme_cmd";
|
|
sp->done = qla_nvme_sp_done;
|
|
sp->put_fn = qla_nvme_release_fcp_cmd_kref;
|
|
sp->qpair = qpair;
|
|
sp->vha = vha;
|
|
nvme = &sp->u.iocb_cmd;
|
|
nvme->u.nvme.desc = fd;
|
|
|
|
rval = qla2x00_start_nvme_mq(sp);
|
|
if (rval != QLA_SUCCESS) {
|
|
ql_log(ql_log_warn, vha, 0x212d,
|
|
"qla2x00_start_nvme_mq failed = %d\n", rval);
|
|
wake_up(&sp->nvme_ls_waitq);
|
|
sp->priv = NULL;
|
|
priv->sp = NULL;
|
|
qla2xxx_rel_qpair_sp(sp->qpair, sp);
|
|
}
|
|
|
|
return rval;
|
|
}
|
|
|
|
static void qla_nvme_localport_delete(struct nvme_fc_local_port *lport)
|
|
{
|
|
struct scsi_qla_host *vha = lport->private;
|
|
|
|
ql_log(ql_log_info, vha, 0x210f,
|
|
"localport delete of %p completed.\n", vha->nvme_local_port);
|
|
vha->nvme_local_port = NULL;
|
|
complete(&vha->nvme_del_done);
|
|
}
|
|
|
|
static void qla_nvme_remoteport_delete(struct nvme_fc_remote_port *rport)
|
|
{
|
|
fc_port_t *fcport;
|
|
struct qla_nvme_rport *qla_rport = rport->private;
|
|
|
|
fcport = qla_rport->fcport;
|
|
fcport->nvme_remote_port = NULL;
|
|
fcport->nvme_flag &= ~NVME_FLAG_REGISTERED;
|
|
fcport->nvme_flag &= ~NVME_FLAG_DELETING;
|
|
ql_log(ql_log_info, fcport->vha, 0x2110,
|
|
"remoteport_delete of %p %8phN completed.\n",
|
|
fcport, fcport->port_name);
|
|
complete(&fcport->nvme_del_done);
|
|
}
|
|
|
|
static struct nvme_fc_port_template qla_nvme_fc_transport = {
|
|
.localport_delete = qla_nvme_localport_delete,
|
|
.remoteport_delete = qla_nvme_remoteport_delete,
|
|
.create_queue = qla_nvme_alloc_queue,
|
|
.delete_queue = NULL,
|
|
.ls_req = qla_nvme_ls_req,
|
|
.ls_abort = qla_nvme_ls_abort,
|
|
.fcp_io = qla_nvme_post_cmd,
|
|
.fcp_abort = qla_nvme_fcp_abort,
|
|
.max_hw_queues = 8,
|
|
.max_sgl_segments = 1024,
|
|
.max_dif_sgl_segments = 64,
|
|
.dma_boundary = 0xFFFFFFFF,
|
|
.local_priv_sz = 8,
|
|
.remote_priv_sz = sizeof(struct qla_nvme_rport),
|
|
.lsrqst_priv_sz = sizeof(struct nvme_private),
|
|
.fcprqst_priv_sz = sizeof(struct nvme_private),
|
|
};
|
|
|
|
void qla_nvme_unregister_remote_port(struct fc_port *fcport)
|
|
{
|
|
int ret;
|
|
|
|
if (!IS_ENABLED(CONFIG_NVME_FC))
|
|
return;
|
|
|
|
ql_log(ql_log_warn, NULL, 0x2112,
|
|
"%s: unregister remoteport on %p %8phN\n",
|
|
__func__, fcport, fcport->port_name);
|
|
|
|
if (test_bit(PFLG_DRIVER_REMOVING, &fcport->vha->pci_flags))
|
|
nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port, 0);
|
|
|
|
init_completion(&fcport->nvme_del_done);
|
|
ret = nvme_fc_unregister_remoteport(fcport->nvme_remote_port);
|
|
if (ret)
|
|
ql_log(ql_log_info, fcport->vha, 0x2114,
|
|
"%s: Failed to unregister nvme_remote_port (%d)\n",
|
|
__func__, ret);
|
|
wait_for_completion(&fcport->nvme_del_done);
|
|
}
|
|
|
|
void qla_nvme_delete(struct scsi_qla_host *vha)
|
|
{
|
|
int nv_ret;
|
|
|
|
if (!IS_ENABLED(CONFIG_NVME_FC))
|
|
return;
|
|
|
|
if (vha->nvme_local_port) {
|
|
init_completion(&vha->nvme_del_done);
|
|
ql_log(ql_log_info, vha, 0x2116,
|
|
"unregister localport=%p\n",
|
|
vha->nvme_local_port);
|
|
nv_ret = nvme_fc_unregister_localport(vha->nvme_local_port);
|
|
if (nv_ret)
|
|
ql_log(ql_log_info, vha, 0x2115,
|
|
"Unregister of localport failed\n");
|
|
else
|
|
wait_for_completion(&vha->nvme_del_done);
|
|
}
|
|
}
|
|
|
|
int qla_nvme_register_hba(struct scsi_qla_host *vha)
|
|
{
|
|
struct nvme_fc_port_template *tmpl;
|
|
struct qla_hw_data *ha;
|
|
struct nvme_fc_port_info pinfo;
|
|
int ret = EINVAL;
|
|
|
|
if (!IS_ENABLED(CONFIG_NVME_FC))
|
|
return ret;
|
|
|
|
ha = vha->hw;
|
|
tmpl = &qla_nvme_fc_transport;
|
|
|
|
WARN_ON(vha->nvme_local_port);
|
|
WARN_ON(ha->max_req_queues < 3);
|
|
|
|
qla_nvme_fc_transport.max_hw_queues =
|
|
min((uint8_t)(qla_nvme_fc_transport.max_hw_queues),
|
|
(uint8_t)(ha->max_req_queues - 2));
|
|
|
|
pinfo.node_name = wwn_to_u64(vha->node_name);
|
|
pinfo.port_name = wwn_to_u64(vha->port_name);
|
|
pinfo.port_role = FC_PORT_ROLE_NVME_INITIATOR;
|
|
pinfo.port_id = vha->d_id.b24;
|
|
|
|
ql_log(ql_log_info, vha, 0xffff,
|
|
"register_localport: host-traddr=nn-0x%llx:pn-0x%llx on portID:%x\n",
|
|
pinfo.node_name, pinfo.port_name, pinfo.port_id);
|
|
qla_nvme_fc_transport.dma_boundary = vha->host->dma_boundary;
|
|
|
|
ret = nvme_fc_register_localport(&pinfo, tmpl,
|
|
get_device(&ha->pdev->dev), &vha->nvme_local_port);
|
|
if (ret) {
|
|
ql_log(ql_log_warn, vha, 0xffff,
|
|
"register_localport failed: ret=%x\n", ret);
|
|
} else {
|
|
vha->nvme_local_port->private = vha;
|
|
}
|
|
|
|
return ret;
|
|
}
|