/* ARGSUSED */
static void
emlxs_pkt_thread(emlxs_hba_t *hba, void *arg1, void *arg2)
{
emlxs_port_t *port;
fc_packet_t *pkt = (fc_packet_t *)arg1;
int32_t rval;
emlxs_buf_t *sbp;
sbp = PKT2PRIV(pkt);
port = sbp->port;
/* Send the pkt now */
rval = emlxs_pkt_send(pkt, 1);
if (rval != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_pkt_trans_msg,
"Deferred emlxs_pkt_send failed: status=%x pkt=%p", rval,
pkt);
if (pkt->pkt_comp) {
emlxs_set_pkt_state(sbp, IOSTAT_LOCAL_REJECT, 0, 1);
((CHANNEL *)sbp->channel)->ulpCmplCmd++;
(*pkt->pkt_comp) (pkt);
} else {
emlxs_pkt_free(pkt);
}
}
return;
} /* emlxs_pkt_thread() */
/* Default pkt callback routine */
extern void
emlxs_pkt_callback(fc_packet_t *pkt)
{
emlxs_pkt_free(pkt);
return;
} /* emlxs_pkt_callback() */
/*
* Process a create_xri command completion.
*/
extern int32_t
emlxs_handle_create_xri(emlxs_hba_t *hba, CHANNEL *cp, IOCBQ *iocbq)
{
emlxs_port_t *port = &PPORT;
IOCB *cmd;
NODELIST *ndlp;
fc_packet_t *pkt;
emlxs_buf_t *sbp;
cmd = &iocbq->iocb;
sbp = (emlxs_buf_t *)iocbq->sbp;
if (!sbp) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_stray_ip_completion_msg,
"create_xri: cmd=0x%x iotag=0x%x status=0x%x w4=0x%x",
cmd->ULPCOMMAND, cmd->ULPIOTAG, cmd->ULPSTATUS,
cmd->un.ulpWord[4]);
return (EIO);
}
/* check for first xmit completion in sequence */
ndlp = (NODELIST *)sbp->node;
if (cmd->ULPSTATUS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_bad_ip_completion_msg,
"create_xri: cmd=0x%x iotag=0x%x status=0x%x w4=0x%x",
cmd->ULPCOMMAND, cmd->ULPIOTAG, cmd->ULPSTATUS,
cmd->un.ulpWord[4]);
mutex_enter(&EMLXS_TX_CHANNEL_LOCK);
ndlp->nlp_flag[cp->channelno] &= ~NLP_RPI_XRI;
mutex_exit(&EMLXS_TX_CHANNEL_LOCK);
return (EIO);
}
mutex_enter(&EMLXS_TX_CHANNEL_LOCK);
ndlp->nlp_Xri = cmd->ULPCONTEXT;
ndlp->nlp_flag[cp->channelno] &= ~NLP_RPI_XRI;
mutex_exit(&EMLXS_TX_CHANNEL_LOCK);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_ip_detail_msg,
"create_xri completed: DID=0x%x Xri=0x%x iotag=0x%x",
ndlp->nlp_DID, ndlp->nlp_Xri, cmd->ULPIOTAG);
pkt = sbp->pkt;
emlxs_pkt_free(pkt);
return (0);
} /* emlxs_handle_create_xri() */
/*
* Issue an iocb command to create an exchange with the remote Nport
* specified by the NODELIST entry.
*/
extern int32_t
emlxs_create_xri(emlxs_port_t *port, CHANNEL *cp, NODELIST *ndlp)
{
emlxs_hba_t *hba = HBA;
IOCB *icmd;
IOCBQ *iocbq;
fc_packet_t *pkt;
emlxs_buf_t *sbp;
uint16_t iotag;
/* Check if an XRI has already been requested */
mutex_enter(&EMLXS_TX_CHANNEL_LOCK);
if (ndlp->nlp_Xri != 0 ||
(ndlp->nlp_flag[cp->channelno] & NLP_RPI_XRI)) {
mutex_exit(&EMLXS_TX_CHANNEL_LOCK);
return (0);
}
ndlp->nlp_flag[cp->channelno] |= NLP_RPI_XRI;
mutex_exit(&EMLXS_TX_CHANNEL_LOCK);
if (!(pkt = emlxs_pkt_alloc(port, 0, 0, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_ip_detail_msg,
"create_xri failed: Unable to allocate pkt. did=0x%x",
ndlp->nlp_DID);
goto fail;
}
sbp = (emlxs_buf_t *)pkt->pkt_fca_private;
iocbq = &sbp->iocbq;
/* Clear the PACKET_ULP_OWNED flag */
sbp->pkt_flags &= ~PACKET_ULP_OWNED;
/* Get the iotag by registering the packet */
iotag = emlxs_register_pkt(cp, sbp);
if (!iotag) {
/*
* No more command slots available, retry later
*/
emlxs_pkt_free(pkt);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_ip_detail_msg,
"create_xri failed: Unable to allocate IOTAG. did=0x%x",
ndlp->nlp_DID);
goto fail;
}
icmd = &iocbq->iocb;
icmd->ULPIOTAG = iotag;
icmd->ULPCONTEXT = ndlp->nlp_Rpi;
icmd->ULPLE = 1;
icmd->ULPCOMMAND = CMD_CREATE_XRI_CR;
icmd->ULPOWNER = OWN_CHIP;
/* Initalize iocbq */
iocbq->port = (void *)port;
iocbq->node = (void *)ndlp;
iocbq->channel = (void *)cp;
mutex_enter(&sbp->mtx);
sbp->node = (void *)ndlp;
sbp->channel = cp;
mutex_exit(&sbp->mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_ip_detail_msg,
"create_xri sent: DID=0x%x Xri=0x%x iotag=0x%x", ndlp->nlp_DID,
ndlp->nlp_Xri, iotag);
EMLXS_SLI_ISSUE_IOCB_CMD(hba, cp, iocbq);
return (0);
fail:
/* Clear the XRI flag */
mutex_enter(&EMLXS_TX_CHANNEL_LOCK);
ndlp->nlp_flag[cp->channelno] &= ~NLP_RPI_XRI;
mutex_exit(&EMLXS_TX_CHANNEL_LOCK);
return (1);
} /* emlxs_create_xri() */
