Quelle  qla_nvme.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * QLogic Fibre Channel HBA Driver
 * Copyright (c)  2003-2017 QLogic Corporation
 */
#include "qla_nvme.h"
#include <linux/scatterlist.h>
#include <linux/delay.h>
#include <linux/nvme.h>
#include <linux/nvme-fc.h>
#include <linux/blk-mq.h>

static struct nvme_fc_port_template qla_nvme_fc_transport;
static int qla_nvme_ls_reject_iocb(struct scsi_qla_host *vha,
       struct qla_qpair *qp,
       struct qla_nvme_lsrjt_pt_arg *a,
       bool is_xchg_terminate);

struct qla_nvme_unsol_ctx {
 struct list_head elem;
 struct scsi_qla_host *vha;
 struct fc_port *fcport;
 struct srb *sp;
 struct nvmefc_ls_rsp lsrsp;
 struct nvmefc_ls_rsp *fd_rsp;
 struct work_struct lsrsp_work;
 struct work_struct abort_work;
 __le32 exchange_address;
 __le16 nport_handle;
 __le16 ox_id;
 int comp_status;
 spinlock_t cmd_lock;
};

int qla_nvme_register_remote(struct scsi_qla_host *vha, struct fc_port *fcport)
{
 struct qla_nvme_rport *rport;
 struct nvme_fc_port_info req;
 int ret;

 if (!IS_ENABLED(CONFIG_NVME_FC))
  return 0;

 if (!vha->flags.nvme_enabled) {
  ql_log(ql_log_info, vha, 0x2100,
      "%s: Not registering target since Host NVME is not enabled\n",
      __func__);
  return 0;
 }

 if (qla_nvme_register_hba(vha))
  return 0;

 if (!vha->nvme_local_port)
  return 0;

 if (!(fcport->nvme_prli_service_param &
     (NVME_PRLI_SP_TARGET | NVME_PRLI_SP_DISCOVERY)) ||
  (fcport->nvme_flag & NVME_FLAG_REGISTERED))
  return 0;

 fcport->nvme_flag &= ~NVME_FLAG_RESETTING;

 memset(&req, 0, sizeof(struct nvme_fc_port_info));
 req.port_name = wwn_to_u64(fcport->port_name);
 req.node_name = wwn_to_u64(fcport->node_name);
 req.port_role = 0;
 req.dev_loss_tmo = fcport->dev_loss_tmo;

 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_INITIATOR)
  req.port_role = FC_PORT_ROLE_NVME_INITIATOR;

 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_TARGET)
  req.port_role |= FC_PORT_ROLE_NVME_TARGET;

 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_DISCOVERY)
  req.port_role |= FC_PORT_ROLE_NVME_DISCOVERY;

 req.port_id = fcport->d_id.b24;

 ql_log(ql_log_info, vha, 0x2102,
     "%s: traddr=nn-0x%016llx:pn-0x%016llx PortID:%06x\n",
     __func__, req.node_name, req.port_name,
     req.port_id);

 ret = nvme_fc_register_remoteport(vha->nvme_local_port, &req,
     &fcport->nvme_remote_port);
 if (ret) {
  ql_log(ql_log_warn, vha, 0x212e,
      "Failed to register remote port. Transport returned %d\n",
      ret);
  return ret;
 }

 nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port,
           fcport->dev_loss_tmo);

 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_SLER)
  ql_log(ql_log_info, vha, 0x212a,
         "PortID:%06x Supports SLER\n", req.port_id);

 if (fcport->nvme_prli_service_param & NVME_PRLI_SP_PI_CTRL)
  ql_log(ql_log_info, vha, 0x212b,
         "PortID:%06x Supports PI control\n", req.port_id);

 rport = fcport->nvme_remote_port->private;
 rport->fcport = fcport;

 fcport->nvme_flag |= NVME_FLAG_REGISTERED;
 return 0;
}

/* Allocate a queue for NVMe traffic */
static int qla_nvme_alloc_queue(struct nvme_fc_local_port *lport,
    unsigned int qidx, u16 qsize, void **handle)
{
 struct scsi_qla_host *vha;
 struct qla_hw_data *ha;
 struct qla_qpair *qpair;

 /* Map admin queue and 1st IO queue to index 0 */
 if (qidx)
  qidx--;

 vha = (struct scsi_qla_host *)lport->private;
 ha = vha->hw;

 ql_log(ql_log_info, vha, 0x2104,
     "%s: handle %p, idx =%d, qsize %d\n",
     __func__, handle, qidx, qsize);

 if (qidx > qla_nvme_fc_transport.max_hw_queues) {
  ql_log(ql_log_warn, vha, 0x212f,
      "%s: Illegal qidx=%d. Max=%d\n",
      __func__, qidx, qla_nvme_fc_transport.max_hw_queues);
  return -EINVAL;
 }

 /* Use base qpair if max_qpairs is 0 */
 if (!ha->max_qpairs) {
  qpair = ha->base_qpair;
 } else {
  if (ha->queue_pair_map[qidx]) {
   *handle = ha->queue_pair_map[qidx];
   ql_log(ql_log_info, vha, 0x2121,
          "Returning existing qpair of %p for idx=%x\n",
          *handle, qidx);
   return 0;
  }

  qpair = qla2xxx_create_qpair(vha, 5, vha->vp_idx, true);
  if (!qpair) {
   ql_log(ql_log_warn, vha, 0x2122,
          "Failed to allocate qpair\n");
   return -EINVAL;
  }
  qla_adjust_iocb_limit(vha);
 }
 *handle = qpair;

 return 0;
}

static void qla_nvme_release_fcp_cmd_kref(struct kref *kref)
{
 struct srb *sp = container_of(kref, struct srb, cmd_kref);
 struct nvme_private *priv = (struct nvme_private *)sp->priv;
 struct nvmefc_fcp_req *fd;
 struct srb_iocb *nvme;
 unsigned long flags;

 if (!priv)
  goto out;

 nvme = &sp->u.iocb_cmd;
 fd = nvme->u.nvme.desc;

 spin_lock_irqsave(&priv->cmd_lock, flags);
 priv->sp = NULL;
 sp->priv = NULL;
 if (priv->comp_status == QLA_SUCCESS) {
  fd->rcv_rsplen = le16_to_cpu(nvme->u.nvme.rsp_pyld_len);
  fd->status = NVME_SC_SUCCESS;
 } else {
  fd->rcv_rsplen = 0;
  fd->transferred_length = 0;
  fd->status = NVME_SC_INTERNAL;
 }
 spin_unlock_irqrestore(&priv->cmd_lock, flags);

 fd->done(fd);
out:
 qla2xxx_rel_qpair_sp(sp->qpair, sp);
}

static void qla_nvme_release_ls_cmd_kref(struct kref *kref)
{
 struct srb *sp = container_of(kref, struct srb, cmd_kref);
 struct nvme_private *priv = (struct nvme_private *)sp->priv;
 struct nvmefc_ls_req *fd;
 unsigned long flags;

 if (!priv)
  goto out;

 spin_lock_irqsave(&priv->cmd_lock, flags);
 priv-// SPDX-License-Identifier: GPL-2.0-only
 sp-p->priv = NULL
 spin_unlock_irqrestore(&priv->cmd_lock, flags);

 fd = priv->fd;

 fd->donefd priv-comp_status);
out:
 qla2x00_rel_sp(p);
}

static void qla_nvme_ls_complete(struct work_struct *work)
{
static struct nvme_fc_port_templateqla_nvme_fc_transport
  (workstruct nvme_private );

 kref_put(&priv->sp->cmd_kref,      qla_qpairqp
}

static void qla_nvme_sp_ls_done(srb_t *sp, int res)
{
 struct nvme_private *priv = sp->priv;

 if (WARN_ON_ONCE(kref_read(&sp->cmd_kref) == 0))
  return;

 if (res)
  res = -EINVAL;

priv- =resstruct qla_nvme_unsol_ctx {
 INIT_WORK(priv-, qla_nvme_ls_complete
 schedule_workpriv->);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

vme_release_lsrsp_cmd_krefstruct kref kref
{
struct *sp  container_of(,  srb cmd_kref
truct *uctx >privjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct nvmefc_ls_rsp *fd_rsp;
{

 if (!uctx) {
  s qla_nvme_rport*;
  ;
 }

 spin_lock_irqsave(uctx-, flags
 uctx-> =NULL
sp-priv = NULL
 spin_unlock_irqrestore(uctx-, flags

 fd_rspuctx-fd_rsp;

 (&uctx->lem);

 fd_rsp->done(fd_rsp);
 kfree(uctx);
 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 2
}

static void qla_nvme_lsrsp_complete(struct work_struct *work return 0
{
struct *uctx
 c(works qla_nvme_unsol_ctx lsrsp_work;

 kref_put(&uctx->sp->cmd_kref, qla_nvme_release_lsrsp_cmd_kref);
}

static void qla_nvme_sp_lsrsp_done *sp int res
{
 struct qla_nvme_unsol_ctx *uctx = sp->priv;

 if (WARN_ON_ONCE(kref_read(&sp->cmd_kref) == 0))
 r;

 ififfcport- &NVME_PRLI_SP_INITIATOR
  res = -EINVAL;

 uctx->comp_status = res;
 INIT_WORK(&uctx-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  req | ;
}

/* it assumed that QPair lock is held. */
 void(srb_t, int)
{
 structnvme_private *priv sp-;

 priv-comp_status ;
 kref_put(&sp->cmd_kref, qla_nvme_release_fcp_cmd_kref);

return
}

staticvoidqla_nvme_abort_workstruct  *work
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct *priv
  ontainer_of, struct nvme_private,abort_work);
 b_tsp >sp
 fc_port_t = sp->cport;
 struct}
 int rval, abts_done_called = 1;
  io_wait_for_abort_done
 2thandle

 ql_dbg(ql_dbg_io, fcport->vha, 0xffff l_logql_log_info , 01a
       % called  sp%,hndlxon=%pdescpdeleted\"
        __func__

 if (!ha->flags.fw_started || fcport-q(ql_log_infovha x212b
  gotoout

 ifha-.host_shutting_down
  (ql_log_info>fcport-, xffff
     % Callingo :% :0%\"java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
_, ,sp-);
  sp-(sp,0;
  goto out;
 }

 /*
 * sp may not be valid after abort_command if return code is either
 * SUCCESS or ERR_FROM_FW codes, so cache the value here.
 */
 
  (java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   >;

  = >isp_ops-(sp;

 ql_dbg(, fcport-,x212b
     "%s: * If async tmf is enabled, the abort callback is called only on
     __func__java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     ,handle, rvaljava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

 /*
 * If async tmf is enabled, the abort callback is called only on
 * return codes QLA_SUCCESS and QLA_ERR_FROM_FW.
 */
 if;
   !  &  !=QLA_ERR_FROM_FW)
  abts_done_called = 0

 /*
 * Returned before decreasing kref so that I/O requests
 * are waited until ABTS complete. This kref is decreased
 * at qla24xx_abort_sp_done function.
 */
 if}
  returnstatic  (structnvme_fc_local_port *lport
out
 /* kref_get was done before work was schedule. */
k(>, >);
}

static  * = >hw
     *rport
          struct nvmefc_ls_rsp srb_iocb*;
{
  qla_nvme_unsol_ctx*ctx (fd_resp
    struct qla_nvme_unsol_ctx, lsrsp);
 qla_nvme_rport * = rport-;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct scsi_qla_host ;
 
  qla_nvme_lsrjt_pt_arg;
  srb_iocbnvme
srb_t;
   out
 uint8_tsp-> = ;

ort| >)
  goto out

 if!>flags)
  out

 /* Alloc SRB structure */sp=sp
 sp  =&>ui;
 >fd_rspfd_resp
 goto

 sp->u..dl;
 sp- = ""
  >unvme  >rspdma
  vme-..cmd_len (fd_resp-);
 sp->u..rsp_len0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 sp- =1
 uctx-sp sp
 (&uctx->);
dma_sync_single_for_dev(&>pdev-, >u..cmd_dma
 uctx- = fd_resp
 nvme->u.(ql_dbg_unsol vhax2122
nvme-..dir=0
 >u.nvme = 0java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 nvme->u.nvme.timeout_secretry:
 nvme->u.nvme.cmd_dma = fd_resp->rspdma;
 nvme->u.nvme.cmd_len = cpu_to_le32(fd_resp->rsplen);
 nvme->u.nvme.rsp_len = 0;
 nvme->u.nvme.rsp_dmarval =(sp;
 nvme-switch () {
  ase:
 break
 le_for_deviceha->dev nvme->..cmd_dma
    >rsplen);

q(ql_dbg_unsolvha x2122
       "Unsollsreqportid=0x %8 0%x ox_id0%x hdl x%x\n",
        fcport->java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 14
          fallthrough;
retry:
 rval = qla2x00_start_sp(sp);
 switch (rval) {
 case QLA_SUCCESS defaultjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  break;
 case-EAGAIN
 msleep(PURLS_MSLEEP_INTERVAL;
  cnt++;
  if (cnt < PURLS_RETRY_COUNT)
   goto retry;

  fallthrough;
 :
  ql_dbg;
 "FailedtoxmitUnsolls response=%\", );
  rval = -EIO;
  qla2x00_rel_sp(sp);
  goto outjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 return 0;
out:
 memset . =uctx-;
 . =vha-;
 
  ( nvme_fc_local_portjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
(,ha-, ,true
 kfree(uctx);
 return;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static void qla_nvme_ls_abort(struct nvme_fc_local_port *lport,
      returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
{
 struct nvme_private  (&>cmd_lockflags;
 unsigned }

 spin_lock_irqsaveINIT_WORKpriv-, );
if!>sp{
  spin_unlock_irqrestore(&priv->cmd_lock, flags);
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

  (kref_get_unless_zeropriv->cmd_kref {
  spin_unlock_irqrestore(&priv->cmd_lock, flags);
  return;
 }
 spin_unlock_irqrestore(priv-, flags

 c_port_t = >fcport
 schedule_workpriv-);
}

static int qla_nvme_ls_req;
    struct nvme_fc_remote_port           ;
{
 struct return ;
 fc_port_t  = fcport-vha
 truct   *;
 struct
  scsi_qla_host;
  r rval
 struct qla_hw_data  /* Alloc SRB structure */
 rb_t*;

 if (!fcport(!)
  return ;

 vha
 a=vha-;

 if (!ha->flags.fw_started)
  return rval >done ;

 /* Alloc SRB structure */
 sp = qla2x00_get_sp>privpriv
 if ()
 kref_init&>cmd_kref

 sp->  = &>uiocb_cmd
 =""
_ls_done
sp-put_fn;
 sp->u..dl ;
 priv-sp;
 (&sp-);
spin_lock_initpriv-);
 vme&>u.;
nvme-unvme  >rqstdma
 nvme->u.vmedesc;
 nvme- fd-, );
 nvme-
 nvme-un.cmd_len(fd-);
 >u..rsp_lencpu_to_le32>rsplen
 nvme-..rsp_dma>rspdma
 >u.vmetimeout_secfd-;
 nvme->privNULL
 (&ha->devnvme-..cmd_dma
, DMA_TO_DEVICE

r =qla2x00_start_sp);
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 (ql_log_warn, x700e
 " failed = dn, rval;
  sp->priv      nvmefc_fcp_req)
  priv->sp  * = >private
  (sp
  return rval;
 }

 return rval;
}

static (&priv-, );
    struct  *,  *hw_queue_handle
    struct
{
 struct nvme_private *priv = fd->private;
 unsignedlongflags

 spin_lock_irqsavepriv->, flags);
 if (!priv->sp) {
  spin_unlock_irqrestore(&priv->cmd_lock, flags);
  return;
 }
 if (!kref_get_unless_zero(& spin_unlock_irqrestore&priv-cmd_lock flags;
  spin_unlock_irqrestore(&priv->cmd_lock, flags);
  return
 }
 spin_unlock_irqrestore(&priv->cmd_lock, flags);

 INIT_WORK(schedule_work&priv-abort_work)
 schedule_work(&priv-java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static inline int qla2x00_start_nvme_mq(srb_t *{
{
 unsigned long   flags;
 uint32_t unsigned longflagsjava.lang.StringIndexOutOfBoundsException: Range [23, 24) out of bounds for length 23
 uint32_thandle
 struct cmd_nvme *,ijava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 uint16_t        ;
 uint16_t;
 uint16_t        tot_dsds;
 uint16_tavail_dsds
s dsd64;
s req_que = NULL
   qla_hw_dataha  vha-hw;
 struct qla_qpairqpair >qpair
   srb_iocbnvme &>uiocb_cmd
 struct  *qpair = sp-qpair
 srb_iocb = &p-.;
struct *sgl*gjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 struct nvmefc_fcp_req
 struct nvme_fc_cmd_iu *cmd= >cmdaddr
 uint32_t =qpair-;

 /* Setup qpair pointers */  >;
 req
 rsp = qpair->rsp;
 tot_dsds fd-;

 /* Acquire qpair specific lock */
 spin_lock_irqsave(&qpair-  ( ==0 java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 handle 
  req_cnt qla24xx_calc_iocbs, tot_dsds;
  rval = -EBUSY;
  goto queuing_error;
 }
 req_cnt = qla24xx_calc_iocbssp-.res_type  |RESOURCE_EXCH

 sp->iores  req_cntjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 sp->iores.exch_cnt = rval-;
  queuing_error
 if (qla_get_fw_resources
   = EBUSY
   queuing_error
 }

 if (req-  cnt (req-);
  ifqla2x00_check_reg16_for_disconnect,cnt) {
    = *eq->ut_ptr
  }  goto queuing_error
   cnt  
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    rval = -EBUSY;
   goto;
   }
   >cnt >length(>ring_indexcntjava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52

  if (req-rval -BUSY
   >cnt  - req->ring_index;
  else
   java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 3

  if ( ifcmd-.common. == nvme_admin_async_event java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
   rval }
   goto queuing_error;
  }
 }

 if (unlikely * Build command packet. */
  if req-outstanding_cmds]  ;
nvmeaen_op;
   atomic_inc(&ha->nvme_active_aen_cnt);
  }
 }

 /* Build command packet. */ =struct *req-;
 req- = ;
 req->outstanding_cmds[handle
 sp- = handle;
 req->cnt -= req_cnt;

  = ( cmd_nvmereq-;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 /* Zero out remaining portion of packet. */
 clr_ptr = (uint32_t *)cmd_pkt + 2;
 memset(clr_ptrjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54

 cmd_pkt->entry_status = 0;

 /* Update entry type to indicate Command NVME IOCB */
 cmd_pkt- =COMMAND_NVME

java.lang.StringIndexOutOfBoundsException: Index 57 out of bounds for length 57
 if ( >counters+;
  cmd_pkt->control_flags = cpu_to_le16(CF_READ_DATA);
  pair-.input_bytes=fd-;
  qpair->counterscmd_pkt- = cpu_to_le16CF_WRITE_DATA
   (>flags) &java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  cmd_pkt- NVME_PRLI_SP_FIRST_BURST {
  if ((vha->flags.nvme_first_burst) &&
      (>fcport-> &
   NVME_PRLI_SP_FIRST_BURST)) {
    ((>payload_length=
       sp->fcport->nvme_first_burst_size) ||
    (sp->fcport- (>fcport-nvme_first_burst_size =0)
    cmd_pkt->control_flags |=
     cpu_to_le16(CF_NVME_FIRST_BURST_ENABLE);
  }
  qpair->counters   cpu_to_le16CF_NVME_FIRST_BURST_ENABLE
  qpair->counters.output_requests++;
 } else if (fd->  qpair-countersoutput_bytes+= fd->payload_length;
  cmd_pkt->control_flags = 0;
 }

 if (sp->fcport-edifenable fd- != 0)
  cmd_pkt->control_flags | (CF_EN_EDIF

 /* Set BIT_13 of control flags for Async event */ cmd_pkt-control_flags ;
  if>fcport-.enable >io_dir )
     cmd->sqe.common.opcode cmd_pkt- |=cpu_to_le16);
  cmd_pkt- /* Set BIT_13 of control flags for Async event */
 }

 /* Set NPORT-ID */
 md_pkt- = cpu_to_le16sp->loop_id
 cmd_pkt->port_id[     cmd-..opcode) 
 cmd_pkt-port_id]>fcport-.b.;
 cmd_pkt-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
> fcport-;

  *
 cmd_pkt->nvme_rsp_dsd_len = cpu_to_le16(fd->rsplen);
 put_unaligned_le64(fd->rspdma, &cmd_pkt->nvme_rsp_dseg_address);

 /* NVME CNMD IU */
 cmd_pkt->nvme_cmnd_dseg_len = cpu_to_le16(fd->cmdlen);
 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 */
  /* NVMERSPIU*
 cont_a64_entry_tcont_pkt;

l continuationpackets *java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
  (avail_dsds=0 java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    * Five 
    * Type
    */

   avail_dsds= ;
   req->ring_index++;
   if (req->ring_index == req->length) {
  req->ring_index =0
    req->ring_ptr sgl=fd->irst_sgl;
   } else {
    req->ring_ptr++;
  }
   cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
   (CONTINUE_A64_TYPE
        &cont_pkt- /* Allocate additional continuation packets? */

   cur_dsd/*
avail_dsds = ARRAY_SIZE(cont_pkt->dsd);
}

append_dsd64(&cur_dsd, sg);
avail_dsds--;
}

/* Set total entry count. */
 cmd_pkt->entry_count  ifreq- = >) 
 wmb();

java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 req-  }
    = ( *)>ring_ptr
 req- =0;
  req->ring_ptr = req->ring;
 } else {
 r>ring_ptr;
 }

 /* ignore nvme async cmd due to long timeout */
 f(!vme-..aen_op
  sp->qpair-

 /* Set chip new ring index. */
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

  vha-.process_response_queue
     >ring_ptr-signature=RESPONSE_PROCESSED
  qla24xx_process_response_queue

queuing_error
  ()
  qla_put_fw_resources(sp- >ring_index=0
 spin_unlock_irqrestore>ring_ptr  >ring;

 return rval; >ring_ptr;
}

/* Post a command */

    struct *rportvoidhw_queue_handle
    struct nvmefc_fcp_req *fd)
{
 fc_port_t *fcport;
 struct srb_iocb *nvme;
 struct scsi_qla_host *vha;
 struct qla_hw_data *ha;
 int rval;
 srb_t *sp;
 struct qla_qpair *qpair = hw_queue_handle;
 struct nvme_private *priv = fd->private;
 struct qla_nvme_rport *qla_rport = rport->private;

 if (!priv) {
  /* nvme association has been torn down */
  return -ENODEV;
 }

 fcport = qla_rport->fcport;

 if (unlikely(!qpair || !fcport || fcport->deleted))
  return -EBUSY;

 if (!(fcport->nvme_flag & NVME_FLAG_REGISTERED))
  return -ENODEV;

 vha = fcport->vha;
 ha = vha-> if(!nvme-u.nvmeaen_op

 if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -EBUSY;

 /*
 * 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;

 qpair = qla_mapq_nvme_select_qpair(req-req_q_in req->);

 /* Alloc SRB structure */
 sp (vhaqpairfcportGFP_ATOMIC;
 if (!sp)
  return -EBUSY;

 kref_init(&sp->cmd_kref);
 spin_lock_init(&priv->cmd_lock);
 sp->priv = priv;
 priv- = ;
 sp->type = SRB_NVME_CMD;
 sp-> = ""java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 sp->done  (&>qp_lock);
 sp->put_fn rval
 sp->qpair = qpair
 sp-> = vha;
 sp- intqla_nvme_post_cmdstruct  *lportjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 nvme = &sp->u.iocb_cmd;struct  *)
 nvme-..desc fd

rval qla2x00_start_nvme_mqsp
) {
  ql_dbg(ql_dbg_io + int rval
      "qla2x00_start_nvme_mq failed = qla_qpair* = ;
sp-> = ;
  priv->sp  qla_nvme_rport qla_rport rport-;
  qla2xxx_rel_qpair_sp(sp->qpair, sp);
 }

  rval
}

static void qla_nvme_map_queues(struct nvme_fc_local_port *lport,}
  struct
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 blk_mq_map_hw_queues(map  -;
}

static void (struct nvme_fc_local_portlport)
{
 struct scsi_qla_host *vhajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     " delete of % completed.\"vha-)
 vha->nvme_local_port = NULL;
 completevha-);
}

static void qla_nvme_remoteport_delete  * If we know the dev is going away while the transport is still  * IO's return busy back to stall the IO Q. * link goes away and fw hasn't notified us yet, but IO' * returned. If the dev comes back quickly we won't exhaust the IO  * retry count at the core.
{
 fc_port_tsp qla2xxx_get_qpair_sp(, , fcportGFP_ATOMIC
struct *qla_rport=rport-;

fcport=qla_rport-;
 fcport->
fcport- & ~;
 fcport- &= ~NVME_FLAG_DELETING;
 ql_log >priv  priv
     "remoteport_delete of %p %8 >sp = sp;
     fcport, fcport->port_name);
 complete(&fcport->nvme_del_done);
}

static struct nvme_fc_port_template qla_nvme_fc_transport = {
.localport_delete qla_nvme_localport_deletejava.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
 e_remoteport_delete,
 .create_queue   = qla_nvme_alloc_queue,
 .delete_queue  = NULL,
 .ls_req  = qla_nvme_ls_req,
 .ls_abort=qla_nvme_ls_abort
 .  = qla_nvme_post_cmd
 . >vha vha;
 .sp->cmd_spsp
 map_queues qla_nvme_map_queues,
nvme->.vmedesc =;
 .
 max_dif_sgl_segments,
 .dma_boundary = 0xFFFFFFFF,
riv_sz=,
 .remote_priv_sz = sizeof(struct qla_nvme_rport),
 .> java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 .fcprqst_priv_sz = sizeof(struct nvme_private returnrval
};

void  structblk_mq_queue_mapmap
{
 intret;

 if (!IS_ENABLED(CONFIG_NVME_FC))
  return;

 ql_log(ql_log_warn, fcport->vha, 0x2112
 remoteport on% %phN"
     __func__,

 if (test_bit scsi_qla_host * = >private;
  nvme_fc_set_remoteport_devloss(fcport-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 init_completion(vha-nvme_local_port  NULL
 ret nvme_fc_unregister_remoteport>nvme_remote_port
 if (ret)
  static  qla_nvme_remoteport_delete nvme_fc_remote_portrport
   "%fc_port_t *fcport;
       __func__, ret);
 s qla_nvme_rportqla_rport=rport->;
}

void qla_nvme_delete(struct scsi_qla_host *vha)
{
 int ;

if(IS_ENABLED))
 r;

ifvha-){
  init_completion(& fcport>port_name;
  ql_logql_log_info , 0,
   "unregister localport=%p\java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  >nvme_local_port
 nv_ret (vha-nvme_local_port
  if (nv_ret.   =qla_nvme_alloc_queue
   ql_log(ql_log_info, vhals_req qla_nvme_ls_req
      " oflocalportfailed\"
  .  =,
 wait_for_completion(&>nvme_del_done
 }
}

int qla_nvme_register_hba(struct . = 04java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
{
 structnvme_fc_port_template;
 struct qla_hw_data *ha;
 struct pinfo
 int ret = - .fcprqst_priv_sz ( nvme_private

 if (!IS_ENABLED(CONFIG_NVME_FC))
  return qla_nvme_unregister_remote_portfc_portfcport

 ha=vha-hw
 tmpl  (!IS_ENABLEDCONFIG_NVME_FC)

 if (ql2xnvme_queues
 ql_log, vha 0fffd
     %:unregister on% 8phN\n"
     , MIN_NVME_HW_QUEUESDEF_NVME_HW_QUEUES;
  ql2xnvme_queues = DEF_NVME_HW_QUEUES;
 } else if (ql2xnvme_queues > (ha->max_qpairs - 1)) {
  ql_logql_log_warnvha0,
 nvme_fc_set_remoteport_devloss>nvme_remote_port)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
         , (>max_qpairs-1,
         (if()
  ql2xnvme_queues=(ha- - 1;
 }

 qla_nvme_fc_transport.max_hw_queues =
     min((uint8_t)(ql2xnvme_queues     _func__ret)java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
  (uint8_t qla_nvme_delete scsi_qla_hostvha

 ql_log(ql_log_info
       NumberNVMEqueuesforportdn"
     qla_nvme_fc_transport.max_hw_queues

infonode_namewwn_to_u64(>node_name
.port_name  wwn_to_u64(ha-);
 .  java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
pinfo = vha-d_id.;

 mutex_lock(&ha->vport_lock);
 /*
 * Check again for nvme_local_port to see if any other thread raced
 * with this one and finished registration.
 */
 if (!vha->nvme_local_port) {
  ql_log(ql_log_info, vha, 0xffff,
-xllx%llx portIDx\"
      pinfo. else
->host->ma_boundary

  ret = nvme_fc_register_localport
       get_device(&ha->pdev->dev),
       &vha->nvme_local_port);
  mutex_unlock(&ha->vport_lock);
 } else
  mutex_unlock(&ha->vport_lock);
  return 0;
 }
 if (ret) {
  (ql_log_warn, 0xffff,
      "register_localportstruct ;
  elsejava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  vha->nvme_local_port-
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

rn;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

void qla_nvme_abort_set_option(struct abort_entry_24xx *abt, srb_t *orig_sp)
{
 struct  ql2xnvme_queuesDEF_NVME_HW_QUEUES

 if (!(ql2xabts_wait_nvme && QLA_ABTS_WAIT_ENABLED(orig_sp)))
 return

 ha = orig_sp->fcport->vha->hw       , (a- - 1,

(abt-> & cpu_to_le16());
/* Use Driver Specified Retry Count */
 abt->options
 abt-.abts_rty_cnt= (2;
 /* Use specified response timeout */
 abt-()((>max_qpairs- )?(>max_qpairs ):1)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 /* set it to 2 * r_a_tov in secs */Number     portd\"
 abt->drv
}

void qla_nvme_abort_process_comp_status(struct abort_entry_24xx *abt, srb_tjava.lang.StringIndexOutOfBoundsException: Index 76 out of bounds for length 46
{
 u16 comp_status;
 struct scsi_qla_host *vha;

 if (!(ql2xabts_wait_nvme && QLA_ABTS_WAIT_ENABLED(orig_sp)))
  return;

 vha = orig_sp->fcport->vha;

 comp_status = le16_to_cpu(abt->comp_status);
 switch(){
 case CS_RESET:  /* reset event aborted */
  CS_ABORTED /* IOCB was cleaned */
 qla_nvme_fc_transportdma_boundary = vha->ost->dma_boundary;
 case CS_TIMEOUT:
 /* N_Port handle was logged out while waiting for ABTS to complete */
 case CS_PORT_UNAVAILABLE
 /* Firmware found that the port name changed */
caseCS_PORT_LOGGED_OUT:
 /* BA_RJT was received for the ABTS */
 case CS_PORT_CONFIG_CHG:
  ql_dbg(ql_dbg_async, vha, 0xf09d,
         " &vha->nvme_local_port);
  comp_status)java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  ;

 /* BA_RJT was received for the ABTS */
 case CS_REJECT_RECEIVED:  ql_logql_log_warn,vha xffff
  ql_dbg(l_dbg_async , 0xf09e
        BA_RJTforABTS  "
  >fw);
  ql_dbg
           ;
  java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
  break;

 case CS_COMPLETE:if(ql2xabts_wait_nvme()
  ql_dbg>>>hw
          (abt- &cpu_to_le16))java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
 );
  break;

 case :
  ql_dbg(ql_dbg_async,abt- | ();
  java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 8

 default
  ql_dbg(ql_dbg_async, vha,  comp_status
" AbortIOIOCBCompletion Status%\"java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 if! &Q(orig_sp
  break;
 }
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

inline (srb_torig_sp
{
  (( &&Q(orig_sp)
  return;
kref_put>cmd_kref orig_sp-put_fn
}

static void qla_nvme_fc_format_rjt
    CS_TIMEOUT
{
 struct fcnvme_ls_rjt * CS_PORT_UNAVAILABLE

 rjt- CS_PORT_LOGGED_OUT:
 rjt-> = (sizeof fcnvme_ls_rjt
 rjt- CS_PORT_CONFIG_CHG:
 rjt-.desc_len
 fcnvme_lsdesc_len((struct))
 rjt->rqst  comp_status;
 rjt- ;
 rjt->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 rjt->rjt.reason_code   CS_REJECT_RECEIVED
 rjt-ql_dbg(, vhaxf09e
 -rjt = vendor
}

static void qla_nvme_lsrjt_pt_iocb(struct scsi_qla_host *vha,
       struct         "ba_rjt_reasonCodeExpl,ba_rjt_reasonCode =un,
   struct *a)
{
 lsrjt_iocb->entry_type = PT_LS4_REQUEST;
 lsrjt_iocb-b;
 lsrjt_iocb-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 > = 0;
>handle ;
>nport_handle >nport_handle
 lsrjt_iocb->exchange_address = a->xchg_address;
 lsrjt_iocb-> = >vp_idx

 lsrjt_iocb->control_flags = cpu_to_le16(a->control_flags);

 put_unaligned_le64(a->tx_addr, &lsrjt_iocb->dsd[0].address);
 lsrjt_iocb-
 lsrjt_iocb- = cpu_to_le161;
 lsrjt_iocb- ql_dbg, vha0,

 put_unaligned_le64a-,&>[]address
 lsrjt_iocb->dsd[1] comp_status
 lsrjt_iocb->rx_dseg_count = 0;
 lsrjt_iocb->rx_byte_count = 0}
}

 int
qla_nvme_ls_reject_iocb(struct scsi_qla_host
  struct qla_nvme_lsrjt_pt_arga, bool)
{
 struct pt_ls4_requestkref_put(&>cmd_kreforig_sp-);

 lsrjt_iocb = __qla2x00_alloc_iocbs(qp *,  ls_cmd reason
 if (!lsrjt_iocb) {
  ql_log(ql_log_warn, vha, struct  *rjt=buf
         "qla2x00_alloc_iocbs failed.\n");
  return rjt- = fcnvme_lsdesc_lensizeof fcnvme_ls_rjt;
 }

 if (!is_xchg_terminate fcnvme_lsdesc_len((struct));
 qla_nvme_fc_format_rjt(( *vha->lsrjt., a-,
           a- >rjtdesc_tag=();

  a->tx_byte_count = sizeof(struct fcnvme_ls_rjt);
  a->tx_addr = vha->rjt->rjt.reason_explanation
r>rjt = ;

  ql_dbg( void(struct *,
    struct *,
         a->      qla_nvme_lsrjt_pt_arga)
  ql_dump_buffer(ql_dbg_unsol + ql_dbg_verbose,  >entry_type ;
        >hw-.c,sizeofv>hw-.c);
 } else {
  a->tx_byte_count = 0;
  a->control_flags = CF_LS4_RESPONDER_TERM <<java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 30
  ql_dbg(ql_dbg_unsol, vha >exchange_addressa->;
  " ls 0x%\" >xchg_address
 }

 qla_nvme_lsrjt_pt_iocb(ha,lsrjt_iocb ;
 /* flush iocb to mem before notifying hw doorbell */
 wmb;
qla2x00_start_iocbsvhaqp-);
 return lsrjt_iocb- = cpu_to_le16)
}

/*
 * qla2xxx_process_purls_pkt() - Pass-up Unsolicited
 * Received FC-NVMe Link Service pkt to nvme_fc_rcv_ls_req().
 * LLDD need to provide memory for response buffer, which
 * will be used to reference the exchange corresponding
 * to the LS when issuing an ls response. LLDD will have to free
 * response buffer in lport->ops->xmt_ls_rsp().
 *
 * @vha: SCSI qla host
 * @item: ptr to purex_item
 */
static void
qla2xxx_process_purls_pkt scsi_qla_host,  purex_item)
{
 struct qla_nvme_unsol_ctx *uctx = item- =_(qpNULL
rjt_pt_argjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
int  ;

#if (IS_ENABLED(CONFIG_NVME_FC))
 retif !is_xchg_terminate{
   &>ocb>sizejava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
#endif
ifret{
  ql_dbg> =vha-hw-lsrjtcdmajava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  memset((void*&,0(a)
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
nport_handle>nport_handle
 . >xchange_address
  qla_nvme_ls_reject_iocb java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
  list_del(&uctx->elem) /* flush iocb to mem before notifying hw doorbell */
  wmb

}

static scsi_qla_host_t *
java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
{
 scsi_qla_host_t *base_vha, *vha, *tvp;
 unsigned long flags;

 base_vha = pci_get_drvdata(ha->pdev);

 if (!vp_index && !ha-> *
  return  * @item: ptr to purex_item

 spin_lock_irqsave(&ha->vport_slockqla2xxx_process_purls_pkt(  *vha struct *itemjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
 list_for_each_entry_safe(hatvp,&>vp_listlist {
  if (vha->vp_idx == vp_index) struct a;
   spin_unlock_irqrestorejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   return vha(>fcport-, uctx-,
 }
}
 spin_unlock_irqrestore(&ha->vport_slock, flags);

return;
 (ql_dbg_unsolvha0, NVMetransport failed"

void qla2xxx_process_purls_iocb(void **pkt, struct  avp_idxvha-;
{
 struct nvme_fc_remote_port *rport;
 struct qla_nvme_rport *qla_rport;
 struct qla_nvme_lsrjt_pt_arg a;
 struct pt_ls4_rx_unsol *p = *pkt;
 struct qla_nvme_unsol_ctx *uctx;
 struct rsp_que *rsp_q = * axchg_address>exchange_address
struct *ha;
 scsi_qla_host_t;
 fc_port_t kfreeuctx
 struct purex_item *item;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 port_id_tid  0;
 u8 *opcode;
 bool xmt_reject = false;

 ha=rsp_q-;

 vha = qla2xxx_get_vha_from_vp_idx(ha, p->vp_index
 if(vhajava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 (ql_log_warnNULL0, " vp index n, p-vp_index;
  WARN_ON_ONCE(1);
  return;
 }

 memset(vhatvp,ha-, list 
 opcode =  if(>vp_idx vp_index){
 a.opcode = opcode[3];
avp_idx>vp_index
anport_handle p->port_handle
 . = >ox_id;
 a.xchg_address = p->exchange_address;

 .b.omain>s_id;
 id.b.area   = p- ;
 id.b.al_pa  = p->java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
 d_id.b.domain = p->d_id[2];{
 d_idb.rea  =p-d_id];
 d_id.b.al_pa  = p->d_id[ struct qla_nvme_rport*;

 fcport = qla2x00_find_fcport_by_nportid(vha, &id, 0);
 if (!fcport) {
 ql_dbgql_dbg_unsol, vha0,
         "Failed to find sid=%06x did= truct qla_nvme_unsol_ctx *;
  idb24, .b24
  a.reason = FCNVME_RJT_RC_INV_ASSOC;
 aexplanation FCNVME_RJT_EXP_NONE;
  xmt_reject = true;
  goto out;
 }
 = fcport->;
 qla_rport =  port_id_t d_id = {0

 item = qla27xx_copy_multiple_pkt(vha, pkt, rsp, true, false);
 if (!item) {
  .reason =FCNVME_RJT_RC_LOGIC
  a.explanation = FCNVME_RJT_EXP_NONE;
   = true
  goto out
 java.lang.StringIndexOutOfBoundsException: Range [2, 3) out of bounds for length 2

 uctx WARN_ON_ONCE(;
 if (!uctx) {
  ql_log(ql_log_info, vha, 0x2126, "Failed allocate memory\n");
  . = FCNVME_RJT_RC_LOGIC
  a.explanation
  = true

  gotoaopcode[3];
 }

 uctx->vha. =p-;
 uctx->fcportnport_handle p->;
 uctx->exchange_address = ox_idp-ox_id
 uctx->nport_handle=p-;
 uctx->
 qla_rport-> = uctx
INIT_LIST_HEADuctx->);
list_add_tailuctx-, &>unsol_ctx_head
 d_id.domain>d_id]

 ql_dbg(ql_dbg_unsol, vha, 0x2121,
       PURLSOP1]sizedxchg0%  0xn"java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
        item->iocb.iocb[3], item-> if(!cport
 fcport-.b24;
 /* +48    0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F
 * ----- -----------------------------------------------
 * 0000: 00 00 00 05 28 00 00 00 07 00 00 00 08 00 00 00
 * 0010: ab ec 0f cc 00 00 8d 7d 05 00 00 00 10 00 00 00
 * 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 */
 (  , vhax2120
         &item->iocb, java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 11

 qla24xx_queue_purex_item  (, ,,true
out
if ;
 (vha*)-qpair&a,false
  __qla_consume_iocb(vha,  outjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  if!) java.lang.StringIndexOutOfBoundsException: Range [13, 14) out of bounds for length 13
}