emlxs_fct.c revision 291a2b48b9adcd7b3666c34e80ba6411929afe7f
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Emulex. All rights reserved.
* Use is subject to License terms.
*/
#include <emlxs.h>
#ifdef SFCT_SUPPORT
/* Required for EMLXS_CONTEXT in EMLXS_MSGF calls */
EMLXS_MSG_DEF(EMLXS_FCT_C);
#ifndef PORT_SPEED_10G
#define PORT_SPEED_10G 0x10
#endif /* PORT_SPEED_10G */
static void emlxs_fct_handle_acc(emlxs_port_t *port, emlxs_buf_t *sbp,
IOCBQ *iocbq);
static void emlxs_fct_handle_reject(emlxs_port_t *port, emlxs_buf_t *sbp,
IOCBQ *iocbq);
static emlxs_buf_t *emlxs_fct_cmd_init(emlxs_port_t *port,
fct_cmd_t *fct_cmd);
static int emlxs_fct_cmd_uninit(emlxs_port_t *port, fct_cmd_t *fct_cmd);
static fct_status_t emlxs_flogi_xchg(struct fct_local_port *fct_port,
struct fct_flogi_xchg *fx);
static fct_status_t emlxs_fct_get_link_info(fct_local_port_t *fct_port,
fct_link_info_t *link);
static fct_status_t emlxs_fct_deregister_remote_port(fct_local_port_t *fct_port,
fct_remote_port_t *port_handle);
static fct_status_t emlxs_fct_send_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_fcp_data(fct_cmd_t *fct_cmd,
stmf_data_buf_t *dbuf, uint32_t ioflags);
static fct_status_t emlxs_fct_send_cmd_rsp(fct_cmd_t *fct_cmd, uint32_t flags);
static fct_status_t emlxs_fct_abort(fct_local_port_t *fct_port,
fct_cmd_t *cmd, uint32_t flags);
static void emlxs_fct_ctl(fct_local_port_t *fct_port, int cmd, void *arg);
static fct_status_t emlxs_fct_register_remote_port(fct_local_port_t *fct_port,
fct_remote_port_t *port_handle, fct_cmd_t *plogi);
static fct_status_t emlxs_fct_send_els_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_ct_cmd(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_fcp_status(fct_cmd_t *fct_cmd);
static fct_status_t emlxs_fct_send_els_rsp(fct_cmd_t *fct_cmd);
static void emlxs_fct_pkt_comp(fc_packet_t *pkt);
static void emlxs_populate_hba_details(fct_local_port_t *fct_port,
fct_port_attrs_t *port_attrs);
static fct_status_t emlxs_fct_dmem_init(emlxs_port_t *port);
static void emlxs_fct_dmem_fini(emlxs_port_t *port);
static stmf_data_buf_t *emlxs_fct_dbuf_alloc(fct_local_port_t *fct_port,
uint32_t size, uint32_t *pminsize, uint32_t flags);
static void emlxs_fct_dbuf_free(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf);
static void emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type);
static emlxs_buf_t *emlxs_fct_pkt_init(emlxs_port_t *port,
fct_cmd_t *fct_cmd, fc_packet_t *pkt);
static void emlxs_fct_unsol_flush(emlxs_port_t *port);
static uint32_t emlxs_fct_process_unsol_flogi(emlxs_port_t *port, RING *rp,
IOCBQ *iocbq, MATCHMAP *mp, uint32_t size);
static uint32_t emlxs_fct_process_unsol_plogi(emlxs_port_t *port, RING *rp,
IOCBQ *iocbq, MATCHMAP *mp, uint32_t size);
static fct_status_t emlxs_fct_pkt_abort(emlxs_port_t *port, emlxs_buf_t *sbp);
static fct_status_t emlxs_fct_send_qfull_reply(emlxs_port_t *port,
emlxs_node_t *ndlp, uint16_t xid, uint32_t class, emlxs_fcp_cmd_t *fcp_cmd);
static void emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type);
#ifdef FCT_IO_TRACE
uint8_t *emlxs_iotrace = 0; /* global for mdb */
int emlxs_iotrace_cnt = 0;
void
emlxs_fct_io_trace(emlxs_port_t *port, fct_cmd_t *fct_cmd, uint32_t data)
{
emlxs_iotrace_t *iop = port->iotrace;
uint16_t iotrace_cnt;
uint16_t iotrace_index;
int i;
if (!iop) {
return;
}
mutex_enter(&port->iotrace_mtx);
iotrace_cnt = port->iotrace_cnt;
iotrace_index = port->iotrace_index;
switch (data) {
/* New entry */
case EMLXS_FCT_ELS_CMD_RECEIVED:
case EMLXS_FCT_FCP_CMD_RECEIVED:
case EMLXS_FCT_SEND_ELS_REQ:
case EMLXS_FCT_SEND_CT_REQ:
for (i = 0; i < iotrace_cnt; i++) {
if ((iop->fct_cmd == fct_cmd) &&
(iop->trc[0] != (uint8_t)(0)))
break;
iop++;
}
if (i < iotrace_cnt) {
/* New entry already exists */
mutex_exit(&port->iotrace_mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: New entry already exists: fct_cmd: %p",
fct_cmd);
return;
}
iop = port->iotrace + iotrace_index;
for (i = 0; i < iotrace_cnt; i++) {
if (iop->trc[0] == (uint8_t)(0))
break;
iop++;
if (iop == (port->iotrace + iotrace_cnt))
iop = port->iotrace;
}
if (i >= iotrace_cnt) {
/* No new slots available */
mutex_exit(&port->iotrace_mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: No new slots: fct_cmd: %p data: %d",
fct_cmd, data);
return;
}
port->iotrace_index++;
if (port->iotrace_index >= iotrace_cnt)
port->iotrace_index = 0;
bzero((uint8_t *)iop, sizeof (emlxs_iotrace_t));
iop->fct_cmd = fct_cmd;
iop->xri = fct_cmd->cmd_rxid;
iop->marker = 0xff;
iop->trc[0] = 2;
iop->trc[1] = data;
mutex_exit(&port->iotrace_mtx);
return;
}
for (i = 0; i < iotrace_cnt; i++) {
if ((iop->fct_cmd == fct_cmd) &&
(iop->trc[0] != (uint8_t)(0)))
break;
iop++;
}
if (i >= iotrace_cnt) {
/* Cannot find existing slot for fct_cmd */
mutex_exit(&port->iotrace_mtx);
if ((data != EMLXS_FCT_REG_PENDING) &&
(data != EMLXS_FCT_REG_COMPLETE)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: Missing slot: fct_cmd: %p data: %d",
fct_cmd, data);
}
return;
}
if (iop->trc[0] >= MAX_IO_TRACE) {
/* trc overrun for fct_cmd */
mutex_exit(&port->iotrace_mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: trc overrun slot: fct_cmd: %p data: %d",
fct_cmd, data);
return;
}
if (iop->xri != fct_cmd->cmd_rxid) {
/* xri mismatch for fct_cmd */
mutex_exit(&port->iotrace_mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: xri mismatch %x != %x: fct_cmd: %p data: %d",
iop->xri, fct_cmd->cmd_rxid, fct_cmd, data);
return;
}
iop->trc[iop->trc[0]] = data;
if ((data == EMLXS_FCT_IO_DONE) || (data == EMLXS_FCT_ABORT_DONE)) {
/* IOCB ulpCommand is saved after EMLXS_FCT_IOCB_ISSUED */
if (iop->trc[iop->trc[0]-1] == EMLXS_FCT_IOCB_ISSUED)
iop->trc[0]++;
else
iop->trc[0] = 0;
}
else
iop->trc[0]++;
mutex_exit(&port->iotrace_mtx);
}
#endif /* FCT_IO_TRACE */
#ifdef MODSYM_SUPPORT
static int
emlxs_fct_modopen()
{
int err;
if (emlxs_modsym.mod_fct) {
return (1);
}
/* Comstar (fct) */
err = 0;
emlxs_modsym.mod_fct = ddi_modopen("drv/fct", KRTLD_MODE_FIRST, &err);
if (!emlxs_modsym.mod_fct) {
cmn_err(CE_WARN, "?%s: ddi_modopen drv/fct failed: err %d",
DRIVER_NAME, err);
goto failed;
}
/* Comstar (stmf) */
err = 0;
emlxs_modsym.mod_stmf =
ddi_modopen("drv/stmf", KRTLD_MODE_FIRST, &err);
if (!emlxs_modsym.mod_stmf) {
cmn_err(CE_WARN, "?%s: ddi_modopen drv/stmf failed: err %d",
DRIVER_NAME, err);
goto failed;
}
err = 0;
/* Check if the fct fct_alloc is present */
emlxs_modsym.fct_alloc = (void *(*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_alloc", &err);
if ((void *)emlxs_modsym.fct_alloc == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_alloc not present", DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_free is present */
emlxs_modsym.fct_free = (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_free", &err);
if ((void *)emlxs_modsym.fct_free == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_free not present", DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_scsi_task_alloc is present */
emlxs_modsym.fct_scsi_task_alloc =
(void *(*)(void *, uint16_t, uint32_t, uint8_t *,
uint16_t, uint16_t))ddi_modsym(emlxs_modsym.mod_fct,
"fct_scsi_task_alloc", &err);
if ((void *)emlxs_modsym.fct_scsi_task_alloc == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_scsi_task_alloc not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_register_local_port is present */
emlxs_modsym.fct_register_local_port =
(int (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_register_local_port", &err);
if ((void *)emlxs_modsym.fct_register_local_port == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_register_local_port not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_deregister_local_port is present */
emlxs_modsym.fct_deregister_local_port =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_deregister_local_port", &err);
if ((void *)emlxs_modsym.fct_deregister_local_port == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_deregister_local_port not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_handle_event is present */
emlxs_modsym.fct_handle_event =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_handle_event",
&err);
if ((void *)emlxs_modsym.fct_handle_event == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_handle_event not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_post_rcvd_cmd is present */
emlxs_modsym.fct_post_rcvd_cmd =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_post_rcvd_cmd",
&err);
if ((void *)emlxs_modsym.fct_post_rcvd_cmd == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_post_rcvd_cmd not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_alloc is present */
emlxs_modsym.fct_ctl = (void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_ctl", &err);
if ((void *)emlxs_modsym.fct_ctl == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_ctl not present", DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_queue_cmd_for_termination is present */
emlxs_modsym.fct_queue_cmd_for_termination =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_queue_cmd_for_termination", &err);
if ((void *)emlxs_modsym.fct_queue_cmd_for_termination == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_queue_cmd_for_termination not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_send_response_done is present */
emlxs_modsym.fct_send_response_done =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_send_response_done", &err);
if ((void *)emlxs_modsym.fct_send_response_done == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_send_response_done not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_send_cmd_done is present */
emlxs_modsym.fct_send_cmd_done =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct, "fct_send_cmd_done",
&err);
if ((void *)emlxs_modsym.fct_send_cmd_done == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_send_cmd_done not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_scsi_xfer_data_done is present */
emlxs_modsym.fct_scsi_data_xfer_done =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_scsi_data_xfer_done", &err);
if ((void *)emlxs_modsym.fct_scsi_data_xfer_done == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_scsi_data_xfer_done not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_port_shutdown is present */
emlxs_modsym.fct_port_shutdown =
(fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_port_shutdown", &err);
if ((void *)emlxs_modsym.fct_port_shutdown == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_port_shutdown not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_port_initialize is present */
emlxs_modsym.fct_port_initialize =
(fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_port_initialize", &err);
if ((void *)emlxs_modsym.fct_port_initialize == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_port_initialize not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_cmd_fca_aborted is present */
emlxs_modsym.fct_cmd_fca_aborted =
(void (*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_cmd_fca_aborted", &err);
if ((void *)emlxs_modsym.fct_cmd_fca_aborted == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_cmd_fca_aborted not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the fct fct_handle_rcvd_flogi is present */
emlxs_modsym.fct_handle_rcvd_flogi =
(fct_status_t(*)())ddi_modsym(emlxs_modsym.mod_fct,
"fct_handle_rcvd_flogi", &err);
if ((void *)emlxs_modsym.fct_handle_rcvd_flogi == NULL) {
cmn_err(CE_WARN,
"?%s: drv/fct: fct_handle_rcvd_flogi not present",
DRIVER_NAME);
goto failed;
}
/* Comstar (stmf) */
err = 0;
/* Check if the stmf stmf_alloc is present */
emlxs_modsym.stmf_alloc =
(void *(*)())ddi_modsym(emlxs_modsym.mod_stmf, "stmf_alloc",
&err);
if ((void *)emlxs_modsym.stmf_alloc == NULL) {
cmn_err(CE_WARN,
"?%s: drv/stmf: stmf_alloc not present", DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the stmf stmf_free is present */
emlxs_modsym.stmf_free = (void (*)())ddi_modsym(emlxs_modsym.mod_stmf,
"stmf_free", &err);
if ((void *)emlxs_modsym.stmf_free == NULL) {
cmn_err(CE_WARN,
"?%s: drv/stmf: stmf_free not present", DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the stmf stmf_deregister_port_provider is present */
emlxs_modsym.stmf_deregister_port_provider =
(void (*)())ddi_modsym(emlxs_modsym.mod_stmf,
"stmf_deregister_port_provider", &err);
if ((void *)emlxs_modsym.stmf_deregister_port_provider == NULL) {
cmn_err(CE_WARN,
"?%s: drv/stmf: stmf_deregister_port_provider not present",
DRIVER_NAME);
goto failed;
}
err = 0;
/* Check if the stmf stmf_register_port_provider is present */
emlxs_modsym.stmf_register_port_provider =
(int (*)())ddi_modsym(emlxs_modsym.mod_stmf,
"stmf_register_port_provider", &err);
if ((void *)emlxs_modsym.stmf_register_port_provider == NULL) {
cmn_err(CE_WARN,
"?%s: drv/stmf: stmf_register_port_provider not present",
DRIVER_NAME);
goto failed;
}
return (1);
failed:
emlxs_fct_modclose();
return (0);
} /* emlxs_fct_modopen() */
extern void
emlxs_fct_modclose()
{
if (emlxs_modsym.mod_fct) {
(void) ddi_modclose(emlxs_modsym.mod_fct);
emlxs_modsym.mod_fct = 0;
}
if (emlxs_modsym.mod_stmf) {
(void) ddi_modclose(emlxs_modsym.mod_stmf);
emlxs_modsym.mod_stmf = 0;
}
emlxs_modsym.fct_alloc = NULL;
emlxs_modsym.fct_free = NULL;
emlxs_modsym.fct_scsi_task_alloc = NULL;
emlxs_modsym.fct_register_local_port = NULL;
emlxs_modsym.fct_deregister_local_port = NULL;
emlxs_modsym.fct_handle_event = NULL;
emlxs_modsym.fct_ctl = NULL;
emlxs_modsym.fct_queue_cmd_for_termination = NULL;
emlxs_modsym.fct_send_response_done = NULL;
emlxs_modsym.fct_send_cmd_done = NULL;
emlxs_modsym.fct_scsi_data_xfer_done = NULL;
emlxs_modsym.fct_port_shutdown = NULL;
emlxs_modsym.fct_port_initialize = NULL;
emlxs_modsym.fct_cmd_fca_aborted = NULL;
emlxs_modsym.fct_handle_rcvd_flogi = NULL;
emlxs_modsym.stmf_alloc = NULL;
emlxs_modsym.stmf_free = NULL;
emlxs_modsym.stmf_deregister_port_provider = NULL;
emlxs_modsym.stmf_register_port_provider = NULL;
} /* emlxs_fct_modclose() */
#endif /* MODSYM_SUPPORT */
/* This routine is called to process a FLOGI ELS command that been recieved. */
static void
emlxs_fct_handle_rcvd_flogi(emlxs_port_t *port)
{
fct_status_t status;
IOCBQ iocbq;
/*
* If FCT has been notified of a Link Up event, process the
* FLOGI now. Otherwise, defer processing till the Link Up happens.
*/
if (port->fct_flags & FCT_STATE_LINK_UP) {
/* Setup for call to emlxs_els_reply() */
bzero((uint8_t *)&iocbq, sizeof (IOCBQ));
iocbq.iocb.un.elsreq.remoteID = port->fx.fx_sid;
iocbq.iocb.un.elsreq.myID = port->fx.fx_did;
iocbq.iocb.ulpContext = port->fx_context;
status =
MODSYM(fct_handle_rcvd_flogi) (port->fct_port, &port->fx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_handle_rcvd_flogi %p: x%x", port->fct_port, status);
#endif /* FCT_API_TRACE */
if (status == FCT_SUCCESS) {
if (port->fx.fx_op == ELS_OP_ACC) {
(void) emlxs_els_reply(port, &iocbq,
ELS_CMD_ACC, ELS_CMD_FLOGI, 0, 0);
} else { /* ELS_OP_LSRJT */
(void) emlxs_els_reply(port, &iocbq,
ELS_CMD_LS_RJT,
ELS_CMD_FLOGI, port->fx.fx_rjt_reason,
port->fx.fx_rjt_expl);
}
} else {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
"FLOGI: sid=%x. fct_handle_rcvd_flogi failed. "
"Rejecting.",
port->fx.fx_sid);
(void) emlxs_els_reply(port, &iocbq, ELS_CMD_LS_RJT,
ELS_CMD_FLOGI, LSRJT_UNABLE_TPC,
LSEXP_NOTHING_MORE);
}
port->fx.fx_op = 0;
}
return;
} /* emlxs_fct_handle_rcvd_flogi() */
extern void
emlxs_fct_unsol_callback(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp;
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_post_rcvd_cmd:4 %p: portid x%x", fct_cmd,
fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
return;
}
/* Online & Link up */
if (port->fct_flags & FCT_STATE_LINK_UP) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_post_rcvd_cmd:1 %p: portid x%x", fct_cmd,
fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
} else { /* Online & Link down */
/*
* Defer processing of fct_cmd till later (after link up).
* Add buffer to queue tail
*/
mutex_enter(&EMLXS_PORT_LOCK);
if (port->fct_wait_tail) {
port->fct_wait_tail->next = cmd_sbp;
}
port->fct_wait_tail = cmd_sbp;
if (!port->fct_wait_head) {
port->fct_wait_head = cmd_sbp;
}
mutex_exit(&EMLXS_PORT_LOCK);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_WAITQ);
mutex_exit(&cmd_sbp->fct_mtx);
}
return;
} /* emlxs_fct_unsol_callback() */
/* This is called at port online and offline */
static void
emlxs_fct_unsol_flush(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp;
emlxs_buf_t *next;
fct_cmd_t *fct_cmd;
if (!port->fct_port) {
return;
}
/* Return if nothing to do */
if (!port->fct_wait_head) {
return;
}
mutex_enter(&EMLXS_PORT_LOCK);
cmd_sbp = port->fct_wait_head;
port->fct_wait_head = NULL;
port->fct_wait_tail = NULL;
mutex_exit(&EMLXS_PORT_LOCK);
/* First, see if there is an outstanding FLOGI to process */
if (port->fx.fx_op == ELS_OP_FLOGI) {
if (port->fct_flags & FCT_STATE_LINK_UP) {
/* Process Deferred FLOGI now */
emlxs_fct_handle_rcvd_flogi(port);
} else {
port->fx.fx_op = 0; /* Flush delayed FLOGI */
}
}
/*
* Next process any outstanding ELS commands. It doesn't
* matter if the Link is up or not, always post them to FCT.
*/
while (cmd_sbp) {
next = cmd_sbp->next;
fct_cmd = cmd_sbp->fct_cmd;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Completing fct_cmd: %p", fct_cmd);
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_post_rcvd_cmd:2 %p: portid x%x", fct_cmd,
fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
cmd_sbp = next;
} /* while() */
return;
} /* emlxs_fct_unsol_flush() */
int
emlxs_is_digit(uint8_t chr)
{
if ((chr >= '0') && (chr <= '9')) {
return (1);
}
return (0);
} /* emlxs_is_digit */
/*
* Convert an ASCII decimal numeric string to integer.
* Negation character '-' is not handled.
*/
uint32_t
emlxs_str_atoi(uint8_t *string)
{
uint32_t num = 0;
int i = 0;
while (string[i]) {
if (!emlxs_is_digit(string[i])) {
return (num);
}
num = num * 10 + (string[i++] - '0');
}
return (num);
} /* emlxs_str_atoi() */
static void
emlxs_init_fct_bufpool(emlxs_hba_t *hba, char **arrayp, uint32_t cnt)
{
emlxs_port_t *port = &PPORT;
uint8_t *datap;
int i;
int bck;
int nbufs;
int maxbufs;
int size;
bzero((uint8_t *)port->dmem_bucket, sizeof (port->dmem_bucket));
bck = 0;
for (i = 0; i < cnt; i++) {
datap = (uint8_t *)arrayp[i];
if (datap == 0)
break;
while (*datap == ' ') /* Skip spaces */
datap++;
size = emlxs_str_atoi(datap);
while ((*datap != ':') && (*datap != 0))
datap++;
if (*datap == ':') /* Skip past delimeter */
datap++;
while (*datap == ' ') /* Skip spaces */
datap++;
nbufs = emlxs_str_atoi(datap);
/* Check for a bad entry */
if (!size || !nbufs) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Bad fct-bufpool entry %d %d", size, nbufs);
port->dmem_bucket[bck].dmem_buf_size = 0;
port->dmem_bucket[bck].dmem_nbufs = 0;
size = 0;
nbufs = 0;
}
while (nbufs) {
port->dmem_bucket[bck].dmem_buf_size = size;
port->dmem_bucket[bck].dmem_nbufs = nbufs;
/*
* We are not going to try to allocate a chunk
* of memory > FCT_DMEM_MAX_BUF_SEGMENT
* to accomidate the buffer pool of the
* requested size.
*/
maxbufs = (FCT_DMEM_MAX_BUF_SEGMENT / size);
if (nbufs > maxbufs) {
port->dmem_bucket[bck].dmem_nbufs = maxbufs;
nbufs -= maxbufs;
bck++;
if (bck >= FCT_MAX_BUCKETS)
break;
} else {
bck++;
nbufs = 0;
}
}
if (bck >= FCT_MAX_BUCKETS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"fct-bufpool entry %d %d Exceeds available buckets",
size, nbufs);
break;
}
}
}
static void
emlxs_fct_cfg_init(emlxs_hba_t *hba)
{
emlxs_port_t *port = &PPORT;
char **arrayp;
uint32_t cnt;
char buf[32];
int status;
bzero((void *)buf, 32);
cnt = 0;
arrayp = NULL;
(void) sprintf(buf, "emlxs%d-fct-bufpool", ddi_get_instance(hba->dip));
status = ddi_prop_lookup_string_array(DDI_DEV_T_ANY, hba->dip,
(DDI_PROP_DONTPASS), buf, &arrayp, &cnt);
if ((status == DDI_PROP_SUCCESS) && cnt && arrayp) {
emlxs_init_fct_bufpool(hba, arrayp, cnt);
} else {
status = ddi_prop_lookup_string_array(DDI_DEV_T_ANY, hba->dip,
(DDI_PROP_DONTPASS), "fct-bufpool", &arrayp, &cnt);
if ((status == DDI_PROP_SUCCESS) && cnt && arrayp) {
emlxs_init_fct_bufpool(hba, arrayp, cnt);
} else {
bzero((uint8_t *)port->dmem_bucket,
sizeof (port->dmem_bucket));
port->dmem_bucket[0].dmem_buf_size = 512;
port->dmem_bucket[0].dmem_nbufs = FCT_BUF_COUNT_512;
port->dmem_bucket[1].dmem_buf_size = (2 * 65536);
port->dmem_bucket[1].dmem_nbufs = FCT_BUF_COUNT_128K;
}
}
bzero((void *)buf, 32);
cnt = 0;
/*
* 0 means use HBA throttle for target queue depth,
* non-0 value is the actual target queue depth,
* default is EMLXS_FCT_DFLT_QDEPTH.
*/
(void) sprintf(buf, "emlxs%d-fct-queue-depth",
ddi_get_instance(hba->dip));
cnt = ddi_prop_get_int(DDI_DEV_T_ANY, hba->dip,
(DDI_PROP_DONTPASS), buf, EMLXS_FCT_DFLT_QDEPTH);
if ((cnt == DDI_PROP_NOT_FOUND) || (cnt == EMLXS_FCT_DFLT_QDEPTH)) {
cnt = ddi_prop_get_int(DDI_DEV_T_ANY, hba->dip,
(DDI_PROP_DONTPASS), "fct-queue-depth",
EMLXS_FCT_DFLT_QDEPTH);
if (cnt == DDI_PROP_NOT_FOUND) {
cnt = EMLXS_FCT_DFLT_QDEPTH;
}
}
port->fct_queue_depth = cnt;
#ifdef FCT_IO_TRACE
port->iotrace_cnt = 1024;
port->iotrace_index = 0;
if (cnt)
port->iotrace_cnt = (2 * cnt);
port->iotrace =
kmem_zalloc(port->iotrace_cnt * sizeof (emlxs_iotrace_t),
KM_SLEEP);
mutex_init(&port->iotrace_mtx, NULL, MUTEX_DRIVER,
(void *)hba->intr_arg);
emlxs_iotrace = (uint8_t *)port->iotrace;
emlxs_iotrace_cnt = port->iotrace_cnt;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"IOTRACE: init:%p cnt:%d", emlxs_iotrace, emlxs_iotrace_cnt);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCT_ABORT_SUCCESS:%lx FCT_SUCCESS:%lx", FCT_ABORT_SUCCESS,
FCT_SUCCESS);
#endif /* FCT_IO_TRACE */
return;
} /* emlxs_fct_cfg_init() */
extern void
emlxs_fct_init(emlxs_hba_t *hba)
{
emlxs_port_t *port = &PPORT;
emlxs_config_t *cfg = &CFG;
emlxs_port_t *vport;
uint32_t i;
if (!hba->tgt_mode) {
return;
}
#ifdef MODSYM_SUPPORT
/* Open COMSTAR */
(void) emlxs_fct_modopen();
#endif /* MODSYM_SUPPORT */
/* Check if COMSTAR is present */
if (((void *)MODSYM(stmf_alloc) == NULL) ||
((void *)MODSYM(fct_alloc) == NULL)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_attach_debug_msg,
"Comstar not present. Target mode disabled.");
goto failed;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_attach_debug_msg,
"Comstar present. Target mode enabled.");
#ifdef NPIV_SUPPORT
if (cfg[CFG_NPIV_ENABLE].current) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_init_msg,
"enable-npiv: Not supported in target mode. Disabling.");
/* Temporary patch to disable npiv */
cfg[CFG_NPIV_ENABLE].current = 0;
}
#endif /* NPIV_SUPPORT */
#ifdef DHCHAP_SUPPORT
if (cfg[CFG_AUTH_ENABLE].current) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_init_msg,
"enable-auth: Not supported in target mode. Disabling.");
/* Temporary patch to disable auth */
cfg[CFG_AUTH_ENABLE].current = 0;
}
#endif /* DHCHAP_SUPPORT */
emlxs_fct_cfg_init(hba);
return;
failed:
hba->tgt_mode = 0;
for (i = 0; i < MAX_VPORTS; i++) {
vport = &VPORT(i);
vport->tgt_mode = 0;
vport->fct_flags = 0;
}
return;
} /* emlxs_fct_init() */
extern void
emlxs_fct_attach(emlxs_hba_t *hba)
{
emlxs_port_t *port = &PPORT;
uint32_t vpi;
if (!hba->tgt_mode) {
return;
}
/* Bind the physical port */
emlxs_fct_bind_port(port);
/* Bind virtual ports */
if (hba->flag & FC_NPIV_ENABLED) {
for (vpi = 1; vpi < hba->vpi_high; vpi++) {
port = &VPORT(vpi);
if (!(port->flag & EMLXS_PORT_ENABLE)) {
continue;
}
emlxs_fct_bind_port(port);
}
}
return;
} /* emlxs_fct_attach() */
extern void
emlxs_fct_detach(emlxs_hba_t *hba)
{
uint32_t i;
emlxs_port_t *vport;
if (hba->tgt_mode) {
for (i = 0; i < MAX_VPORTS; i++) {
vport = &VPORT(i);
if (!vport->tgt_mode) {
continue;
}
emlxs_fct_unbind_port(vport);
vport->tgt_mode = 0;
}
hba->tgt_mode = 0;
}
#ifdef FCT_IO_TRACE
{
emlxs_port_t *port = &PPORT;
mutex_destroy(&port->iotrace_mtx);
if (port->iotrace)
kmem_free(port->iotrace,
(port->iotrace_cnt * sizeof (emlxs_iotrace_t)));
port->iotrace = NULL;
}
#endif /* FCT_IO_TRACE */
return;
} /* emlxs_fct_detach() */
extern void
emlxs_fct_unbind_port(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
char node_name[32];
if (!port->tgt_mode) {
return;
}
mutex_enter(&EMLXS_PORT_LOCK);
if (!(port->flag & EMLXS_PORT_BOUND)) {
mutex_exit(&EMLXS_PORT_LOCK);
return;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_unbind_port: port=%d", port->vpi);
/* Destroy & flush all port nodes, if they exist */
if (port->node_count) {
(void) emlxs_mb_unreg_rpi(port, 0xffff, 0, 0, 0);
}
port->flag &= ~EMLXS_PORT_BOUND;
hba->num_of_ports--;
mutex_exit(&EMLXS_PORT_LOCK);
if (port->fct_port) {
emlxs_fct_link_down(port);
emlxs_fct_unsol_flush(port);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_deregister_local_port %p", port->fct_port);
#endif /* FCT_API_TRACE */
MODSYM(fct_deregister_local_port) (port->fct_port);
if (port->fct_port->port_fds) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_free:3 %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */
MODSYM(fct_free) (port->fct_port->port_fds);
port->fct_port->port_fds = NULL;
}
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_free:4 %p", port->fct_port);
#endif /* FCT_API_TRACE */
MODSYM(fct_free) (port->fct_port);
port->fct_port = NULL;
port->fct_flags = 0;
}
if (port->port_provider) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_deregister_port_provider:1 %p",
port->port_provider);
#endif /* FCT_API_TRACE */
MODSYM(stmf_deregister_port_provider) (port->port_provider);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_free:1 %p", port->port_provider);
#endif /* FCT_API_TRACE */
MODSYM(stmf_free) (port->port_provider);
port->port_provider = NULL;
}
if (port->dmem_bucket) {
emlxs_fct_dmem_fini(port);
}
(void) sprintf(node_name, "%d,%d:SFCT", hba->ddiinst, port->vpi);
(void) ddi_remove_minor_node(hba->dip, node_name);
return;
} /* emlxs_fct_unbind_port() */
extern void
emlxs_fct_bind_port(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
fct_local_port_t *fct_port;
uint32_t flag = 0;
emlxs_config_t *cfg = &CFG;
fct_dbuf_store_t *fds;
char node_name[32];
mutex_enter(&EMLXS_PORT_LOCK);
if (!hba->tgt_mode || !port->tgt_mode) {
mutex_exit(&EMLXS_PORT_LOCK);
return;
}
if (port->flag & EMLXS_PORT_BOUND) {
mutex_exit(&EMLXS_PORT_LOCK);
return;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: port=%d", port->vpi);
/* Perform generic port initialization */
emlxs_port_init(port);
if (port->vpi == 0) {
(void) sprintf(port->cfd_name, "%s%d", DRIVER_NAME,
hba->ddiinst);
} else {
(void) sprintf(port->cfd_name, "%s%d.%d", DRIVER_NAME,
hba->ddiinst, port->vpi);
}
if (emlxs_fct_dmem_init(port) != FCT_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to allocate fct memory.");
goto failed;
}
flag |= 0x00000001;
port->port_provider =
(stmf_port_provider_t *)
MODSYM(stmf_alloc) (STMF_STRUCT_PORT_PROVIDER, 0, 0);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_alloc port_provider %p", port->port_provider);
#endif /* FCT_API_TRACE */
if (port->port_provider == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to allocate port provider.");
goto failed;
}
flag |= 0x00000002;
port->port_provider->pp_portif_rev = PORTIF_REV_1;
port->port_provider->pp_name = port->cfd_name;
port->port_provider->pp_provider_private = port;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_register_port_provider %p", port->port_provider);
#endif /* FCT_API_TRACE */
/* register port provider with framework */
if (MODSYM(stmf_register_port_provider) (port->port_provider) !=
STMF_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to register port provider.");
goto failed;
}
flag |= 0x00000004;
port->fct_port =
(fct_local_port_t *)MODSYM(fct_alloc) (FCT_STRUCT_LOCAL_PORT, 0,
0);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_alloc fct_port %p", port->fct_port);
#endif /* FCT_API_TRACE */
if (port->fct_port == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to allocate fct port.");
goto failed;
}
flag |= 0x00000008;
port->fct_port->port_fds =
(fct_dbuf_store_t *)MODSYM(fct_alloc) (FCT_STRUCT_DBUF_STORE, 0,
0);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_alloc port_fds %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */
if (port->fct_port->port_fds == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to allocate dbuf store.");
goto failed;
}
flag |= 0x00000010;
(void) sprintf(node_name, "%d,%d:SFCT", hba->ddiinst, port->vpi);
if (ddi_create_minor_node(hba->dip, node_name, S_IFCHR, hba->ddiinst,
NULL, 0) == DDI_FAILURE) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"Unable to create SFCT device node.");
goto failed;
}
flag |= 0x00000020;
/* Intialize */
fct_port = port->fct_port;
fct_port->port_fca_private = port;
fct_port->port_fca_abort_timeout = 30 * 1000; /* 30 seconds */
bcopy((uint8_t *)&port->wwpn, (uint8_t *)fct_port->port_pwwn, 8);
bcopy((uint8_t *)&port->wwnn, (uint8_t *)fct_port->port_nwwn, 8);
fct_port->port_sym_node_name = port->snn;
fct_port->port_sym_port_name = port->spn;
fct_port->port_hard_address = cfg[CFG_ASSIGN_ALPA].current;
fct_port->port_default_alias = port->cfd_name;
fct_port->port_pp = port->port_provider;
fct_port->port_max_logins = hba->max_nodes;
if ((port->fct_queue_depth) &&
(port->fct_queue_depth < hba->io_throttle)) {
fct_port->port_max_xchges = port->fct_queue_depth;
} else {
fct_port->port_max_xchges = hba->io_throttle;
}
fct_port->port_fca_fcp_cmd_size = sizeof (emlxs_buf_t);
fct_port->port_fca_rp_private_size = sizeof (uintptr_t);
fct_port->port_fca_sol_els_private_size = sizeof (emlxs_buf_t);
fct_port->port_fca_sol_ct_private_size = sizeof (emlxs_buf_t);
fct_port->port_get_link_info = emlxs_fct_get_link_info;
fct_port->port_register_remote_port = emlxs_fct_register_remote_port;
fct_port->port_deregister_remote_port =
emlxs_fct_deregister_remote_port;
fct_port->port_send_cmd = emlxs_fct_send_cmd;
fct_port->port_xfer_scsi_data = emlxs_fct_send_fcp_data;
fct_port->port_send_cmd_response = emlxs_fct_send_cmd_rsp;
fct_port->port_abort_cmd = emlxs_fct_abort;
fct_port->port_ctl = emlxs_fct_ctl;
fct_port->port_flogi_xchg = emlxs_flogi_xchg;
fct_port->port_populate_hba_details = emlxs_populate_hba_details;
fds = port->fct_port->port_fds;
fds->fds_fca_private = port;
fds->fds_alloc_data_buf = emlxs_fct_dbuf_alloc;
fds->fds_free_data_buf = emlxs_fct_dbuf_free;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_register_local_port %p", fct_port);
#endif /* FCT_API_TRACE */
/* register this local port with the fct module */
if (MODSYM(fct_register_local_port) (fct_port) != FCT_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_bind_port: Unable to register fct port.");
goto failed;
}
/* Set the bound flag */
port->flag |= EMLXS_PORT_BOUND;
hba->num_of_ports++;
mutex_exit(&EMLXS_PORT_LOCK);
return;
failed:
if (flag & 0x20) {
(void) ddi_remove_minor_node(hba->dip, node_name);
}
if (flag & 0x10) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_free:5 %p", port->fct_port->port_fds);
#endif /* FCT_API_TRACE */
MODSYM(fct_free) (port->fct_port->port_fds);
port->fct_port->port_fds = NULL;
}
if (flag & 0x8) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_free:6 %p", port->fct_port);
#endif /* FCT_API_TRACE */
MODSYM(fct_free) (port->fct_port);
port->fct_port = NULL;
port->fct_flags = 0;
}
if (flag & 0x4) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_deregister_port_provider:2 %p",
port->port_provider);
#endif /* FCT_API_TRACE */
MODSYM(stmf_deregister_port_provider) (port->port_provider);
}
if (flag & 0x2) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_free:2 %p", port->port_provider);
#endif /* FCT_API_TRACE */
MODSYM(stmf_free) (port->port_provider);
port->port_provider = NULL;
}
if (flag & 0x1) {
emlxs_fct_dmem_fini(port);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"Target mode disabled.");
mutex_exit(&EMLXS_PORT_LOCK);
return;
} /* emlxs_fct_bind_port() */
static void
emlxs_populate_hba_details(fct_local_port_t *fct_port,
fct_port_attrs_t *port_attrs)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
emlxs_vpd_t *vpd = &VPD;
(void) strcpy(port_attrs->manufacturer, "Emulex");
(void) strcpy(port_attrs->serial_number, vpd->serial_num);
(void) strcpy(port_attrs->model, hba->model_info.model);
(void) strcpy(port_attrs->model_description,
hba->model_info.model_desc);
(void) sprintf(port_attrs->hardware_version, "%x", vpd->biuRev);
(void) sprintf(port_attrs->driver_version, "%s (%s)", emlxs_version,
emlxs_revision);
(void) strcpy(port_attrs->option_rom_version, vpd->fcode_version);
(void) sprintf(port_attrs->firmware_version, "%s (%s)", vpd->fw_version,
vpd->fw_label);
(void) strcpy(port_attrs->driver_name, DRIVER_NAME);
port_attrs->vendor_specific_id =
((hba->model_info.device_id << 16) | PCI_VENDOR_ID_EMULEX);
port_attrs->supported_cos = SWAP_DATA32(FC_NS_CLASS3);
port_attrs->max_frame_size = FF_FRAME_SIZE;
if (vpd->link_speed & LMT_10GB_CAPABLE) {
port_attrs->supported_speed |= PORT_SPEED_10G;
}
if (vpd->link_speed & LMT_8GB_CAPABLE) {
port_attrs->supported_speed |= PORT_SPEED_8G;
}
if (vpd->link_speed & LMT_4GB_CAPABLE) {
port_attrs->supported_speed |= PORT_SPEED_4G;
}
if (vpd->link_speed & LMT_2GB_CAPABLE) {
port_attrs->supported_speed |= PORT_SPEED_2G;
}
if (vpd->link_speed & LMT_1GB_CAPABLE) {
port_attrs->supported_speed |= PORT_SPEED_1G;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: manufacturer = %s", port_attrs->manufacturer);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: serial_num = %s", port_attrs->serial_number);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: model = %s", port_attrs->model);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: model_description = %s",
port_attrs->model_description);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: hardware_version = %s",
port_attrs->hardware_version);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: driver_version = %s", port_attrs->driver_version);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: option_rom_version = %s",
port_attrs->option_rom_version);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: firmware_version = %s",
port_attrs->firmware_version);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: driver_name = %s", port_attrs->driver_name);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: vendor_specific_id = 0x%x",
port_attrs->vendor_specific_id);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: supported_cos = 0x%x",
port_attrs->supported_cos);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: supported_speed = 0x%x",
port_attrs->supported_speed);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Port attr: max_frame_size = 0x%x",
port_attrs->max_frame_size);
return;
} /* emlxs_populate_hba_details() */
/* ARGSUSED */
static void
emlxs_fct_ctl(fct_local_port_t *fct_port, int cmd, void *arg)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
stmf_change_status_t st;
st.st_completion_status = FCT_SUCCESS;
st.st_additional_info = NULL;
switch (cmd) {
case FCT_CMD_PORT_ONLINE:
/* If the HBA is offline, we cannot bring the tgtport online */
if (hba->flag & (FC_OFFLINE_MODE | FC_OFFLINING_MODE)) {
st.st_completion_status = FCT_FAILURE;
MODSYM(fct_ctl) (fct_port->port_lport,
FCT_CMD_PORT_ONLINE_COMPLETE, &st);
break;
}
if (port->fct_flags & FCT_STATE_PORT_ONLINE) {
st.st_completion_status = STMF_ALREADY;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: ONLINE chk");
} else {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: OFFLINE --> ONLINE");
port->fct_flags |= FCT_STATE_NOT_ACKED;
port->fct_flags |= FCT_STATE_PORT_ONLINE;
if (hba->state <= FC_LINK_DOWN) {
/* Try to bring the link up */
(void) emlxs_reset_link(hba, 1);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: ONLINE");
}
MODSYM(fct_ctl) (fct_port->port_lport,
FCT_CMD_PORT_ONLINE_COMPLETE, &st);
break;
case FCT_CMD_PORT_OFFLINE:
if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
st.st_completion_status = STMF_ALREADY;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: OFFLINE chk");
} else {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: ONLINE --> OFFLINE");
/* Take link down and flush */
emlxs_fct_link_down(port);
emlxs_fct_unsol_flush(port);
/* Declare this port offline now */
port->fct_flags |= FCT_STATE_NOT_ACKED;
port->fct_flags &= ~FCT_STATE_PORT_ONLINE;
/* Take link down and hold it down */
(void) emlxs_reset_link(hba, 0);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: OFFLINE");
}
MODSYM(fct_ctl) (fct_port->port_lport,
FCT_CMD_PORT_OFFLINE_COMPLETE, &st);
break;
case FCT_ACK_PORT_OFFLINE_COMPLETE:
port->fct_flags &= ~FCT_STATE_NOT_ACKED;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: OFFLINE ack");
break;
case FCT_ACK_PORT_ONLINE_COMPLETE:
port->fct_flags &= ~FCT_STATE_NOT_ACKED;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"STATE: ONLINE ack");
break;
}
return;
} /* emlxs_fct_ctl() */
extern int
emlxs_fct_port_shutdown(emlxs_port_t *port)
{
fct_local_port_t *fct_port;
int i;
fct_port = port->fct_port;
if (!fct_port) {
return (0);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg, "fct_port_shutdown");
MODSYM(fct_port_shutdown) (fct_port, STMF_RFLAG_STAY_OFFLINED,
"emlxs shutdown");
i = 0;
while (port->fct_flags & FCT_STATE_NOT_ACKED) {
i++;
if (i > 300) { /* 30 seconds */
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"fct_port_shutdown failed to ACK");
break;
}
delay(drv_usectohz(100000)); /* 100 msec */
}
return (1);
}
extern int
emlxs_fct_port_initialize(emlxs_port_t *port)
{
fct_local_port_t *fct_port;
int i;
fct_port = port->fct_port;
if (!fct_port) {
return (0);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"fct_port_initialize");
MODSYM(fct_port_initialize) (fct_port, STMF_RFLAG_STAY_OFFLINED,
"emlxs initialize");
i = 0;
while (port->fct_flags & FCT_STATE_NOT_ACKED) {
i++;
if (i > 300) { /* 30 seconds */
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"fct_port_initialize failed to ACK");
break;
}
delay(drv_usectohz(100000)); /* 100 msec */
}
return (1);
}
static fct_status_t
emlxs_fct_send_cmd(fct_cmd_t *fct_cmd)
{
emlxs_port_t *port;
port = (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_send_cmd %p: x%x", fct_cmd, fct_cmd->cmd_type);
#endif /* FCT_API_TRACE */
switch (fct_cmd->cmd_type) {
case FCT_CMD_SOL_ELS:
return (emlxs_fct_send_els_cmd(fct_cmd));
case FCT_CMD_SOL_CT:
return (emlxs_fct_send_ct_cmd(fct_cmd));
default:
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_send_cmd: Invalid cmd type found. type=%x",
fct_cmd->cmd_type);
return (FCT_FAILURE);
}
} /* emlxs_fct_send_cmd() */
static fct_status_t
emlxs_fct_send_cmd_rsp(fct_cmd_t *fct_cmd, uint32_t ioflags)
{
emlxs_port_t *port;
emlxs_buf_t *cmd_sbp;
fct_status_t rval;
port = (emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_send_cmd_rsp %p: x%x", fct_cmd, fct_cmd->cmd_type);
#endif /* FCT_API_TRACE */
switch (fct_cmd->cmd_type) {
case FCT_CMD_FCP_XCHG:
if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
goto failure;
}
mutex_enter(&cmd_sbp->fct_mtx);
rval = emlxs_fct_send_fcp_status(fct_cmd);
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
case FCT_CMD_RCVD_ELS:
if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
goto failure;
}
return (emlxs_fct_send_els_rsp(fct_cmd));
default:
if (ioflags & FCT_IOF_FORCE_FCA_DONE) {
fct_cmd->cmd_handle = 0;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_send_cmd_rsp: Invalid cmd type found. type=%x",
fct_cmd->cmd_type);
return (FCT_FAILURE);
}
failure:
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_send_cmd_rsp: "
"Unable to handle FCT_IOF_FORCE_FCA_DONE. type=%x",
fct_cmd->cmd_type);
return (FCT_FAILURE);
} /* emlxs_fct_send_cmd_rsp() */
static fct_status_t
emlxs_flogi_xchg(struct fct_local_port *fct_port, struct fct_flogi_xchg *fx)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
uint32_t size;
fc_packet_t *pkt;
ELS_PKT *els;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_flogi_xchg: Sending FLOGI: %p", fct_port);
#else
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_flogi_xchg: Sending FLOGI.");
#endif /* FCT_API_TRACE */
if (hba->state <= FC_LINK_DOWN) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_flogi_xchg: FLOGI failed. Link down.");
return (FCT_FAILURE);
}
size = sizeof (SERV_PARM) + 4;
if (!(pkt = emlxs_pkt_alloc(port, size, size, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_flogi_xchg: FLOGI failed. Unable allocate packet.");
return (FCT_FAILURE);
}
/* Make this a polled IO */
pkt->pkt_tran_flags &= ~FC_TRAN_INTR;
pkt->pkt_tran_flags |= FC_TRAN_NO_INTR;
pkt->pkt_comp = NULL;
pkt->pkt_tran_type = FC_PKT_EXCHANGE;
pkt->pkt_timeout = fx->fx_sec_timeout;
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(fx->fx_did);
pkt->pkt_cmd_fhdr.r_ctl =
R_CTL_EXTENDED_SVC | R_CTL_SOLICITED_CONTROL;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(fx->fx_sid);
pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
pkt->pkt_cmd_fhdr.f_ctl = F_CTL_FIRST_SEQ | F_CTL_SEQ_INITIATIVE;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = 0xffff;
pkt->pkt_cmd_fhdr.rx_id = 0xffff;
pkt->pkt_cmd_fhdr.ro = 0;
/* Build the command */
/* Service paramters will be added automatically later by the driver */
els = (ELS_PKT *)pkt->pkt_cmd;
els->elsCode = 0x04; /* FLOGI */
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_flogi_xchg: FLOGI failed. Unable to send packet.");
emlxs_pkt_free(pkt);
return (FCT_FAILURE);
}
if ((pkt->pkt_state != FC_PKT_SUCCESS) &&
(pkt->pkt_state != FC_PKT_LS_RJT)) {
if (pkt->pkt_state == FC_PKT_TIMEOUT) {
return (FCT_TIMEOUT);
} else if ((pkt->pkt_state == FC_PKT_LOCAL_RJT) &&
(pkt->pkt_reason == FC_REASON_FCAL_OPN_FAIL)) {
return (FCT_NOT_FOUND);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_flogi_xchg: FLOGI failed. state=%x reason=%x",
pkt->pkt_state, pkt->pkt_reason);
return (FCT_FAILURE);
}
if (pkt->pkt_state == FC_PKT_LS_RJT) {
fx->fx_op = ELS_OP_LSRJT;
fx->fx_rjt_reason = pkt->pkt_reason;
fx->fx_rjt_expl = pkt->pkt_expln;
} else { /* FC_PKT_SUCCESS */
fx->fx_op = ELS_OP_ACC;
fx->fx_sid = Fabric_DID;
fx->fx_did = port->did;
els = (ELS_PKT *)pkt->pkt_resp;
bcopy((caddr_t)&els->un.logi.nodeName,
(caddr_t)fx->fx_nwwn, 8);
bcopy((caddr_t)&els->un.logi.portName,
(caddr_t)fx->fx_pwwn, 8);
fx->fx_fport = els->un.logi.cmn.fPort;
}
return (FCT_SUCCESS);
} /* emlxs_flogi_xchg() */
/* This is called right after we report that link has come online */
static fct_status_t
emlxs_fct_get_link_info(fct_local_port_t *fct_port, fct_link_info_t *link)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_get_link_info %p", fct_port);
mutex_enter(&EMLXS_PORT_LOCK);
if (!(port->fct_flags & FCT_STATE_LINK_UP) ||
(hba->state < FC_LINK_UP) || (hba->flag & FC_LOOPBACK_MODE)) {
link->port_topology = PORT_TOPOLOGY_UNKNOWN;
link->port_speed = PORT_SPEED_UNKNOWN;
link->portid = 0;
mutex_exit(&EMLXS_PORT_LOCK);
return (FCT_SUCCESS);
}
if (hba->topology == TOPOLOGY_LOOP) {
link->port_topology = PORT_TOPOLOGY_PRIVATE_LOOP;
} else {
link->port_topology = PORT_TOPOLOGY_PT_TO_PT;
}
switch (hba->linkspeed) {
case LA_1GHZ_LINK:
link->port_speed = PORT_SPEED_1G;
break;
case LA_2GHZ_LINK:
link->port_speed = PORT_SPEED_2G;
break;
case LA_4GHZ_LINK:
link->port_speed = PORT_SPEED_4G;
break;
case LA_8GHZ_LINK:
link->port_speed = PORT_SPEED_8G;
break;
case LA_10GHZ_LINK:
link->port_speed = PORT_SPEED_10G;
break;
default:
link->port_speed = PORT_SPEED_UNKNOWN;
break;
}
link->portid = port->did;
link->port_no_fct_flogi = 0;
link->port_fca_flogi_done = 0;
link->port_fct_flogi_done = 0;
mutex_exit(&EMLXS_PORT_LOCK);
return (FCT_SUCCESS);
} /* emlxs_fct_get_link_info() */
static fct_status_t
emlxs_fct_register_remote_port(fct_local_port_t *fct_port,
fct_remote_port_t *remote_port, fct_cmd_t *fct_cmd)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
clock_t timeout;
int32_t pkt_ret;
fct_els_t *els;
SERV_PARM *sp;
emlxs_node_t *ndlp;
SERV_PARM sparam;
uint32_t *iptr;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_register_remote_port %p", fct_port);
#endif /* FCT_API_TRACE */
if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
(void) emlxs_fct_cmd_init(port, fct_cmd);
/* mutex_enter(&cmd_sbp->fct_mtx); */
cmd_sbp->ring = &hba->ring[FC_ELS_RING];
cmd_sbp->fct_type = EMLXS_FCT_ELS_CMD;
cmd_sbp->did = fct_cmd->cmd_rportid;
} else {
mutex_enter(&cmd_sbp->fct_mtx);
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REG_PENDING);
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
if (!cmd_sbp->node) {
cmd_sbp->node =
emlxs_node_find_did(port, fct_cmd->cmd_rportid);
}
if (!cmd_sbp->node) {
els = (fct_els_t *)fct_cmd->cmd_specific;
/* Check for unsolicited PLOGI */
if (cmd_sbp->fct_flags & EMLXS_FCT_PLOGI_RECEIVED) {
sp = (SERV_PARM *)((caddr_t)els->els_req_payload +
sizeof (uint32_t));
} else { /* Solicited PLOGI */
sp = &sparam;
bcopy((caddr_t)&port->sparam, (caddr_t)sp,
sizeof (SERV_PARM));
/*
* Create temporary WWN's from fct_cmd address
* This simply allows us to get an RPI from the
* adapter until we get real service params.
* The PLOGI ACC reply will trigger a REG_LOGIN
* update later
*/
iptr = (uint32_t *)&sp->portName;
iptr[0] = putPaddrHigh(fct_cmd);
iptr[1] = putPaddrLow(fct_cmd);
iptr = (uint32_t *)&sp->nodeName;
iptr[0] = putPaddrHigh(fct_cmd);
iptr[1] = putPaddrLow(fct_cmd);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_debug_msg,
"emlxs_fct_register_remote_port: Register did=%x. (%x,%p)",
fct_cmd->cmd_rportid, cmd_sbp->fct_state, fct_cmd);
/* Create a new node */
if (emlxs_mb_reg_did(port, fct_cmd->cmd_rportid, sp, cmd_sbp,
NULL, NULL) != 0) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_register_remote_port: "
"Reg login failed. did=%x",
fct_cmd->cmd_rportid);
goto done;
}
mutex_exit(&cmd_sbp->fct_mtx);
/* Wait for completion */
mutex_enter(&EMLXS_PKT_LOCK);
timeout = emlxs_timeout(hba, 30);
pkt_ret = 0;
while ((pkt_ret != -1) &&
(cmd_sbp->fct_state == EMLXS_FCT_REG_PENDING)) {
pkt_ret = cv_timedwait(&EMLXS_PKT_CV, &EMLXS_PKT_LOCK,
timeout);
}
mutex_exit(&EMLXS_PKT_LOCK);
mutex_enter(&cmd_sbp->fct_mtx);
if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
return (FCT_FAILURE);
}
}
done:
ndlp = (emlxs_node_t *)cmd_sbp->node;
if (ndlp) {
*((emlxs_node_t **)remote_port->rp_fca_private) =
cmd_sbp->node;
remote_port->rp_handle = ndlp->nlp_Rpi;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_register_remote_port: did=%x hdl=%x",
fct_cmd->cmd_rportid, remote_port->rp_handle);
remote_port->rp_handle = ndlp->nlp_Rpi;
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
TGTPORTSTAT.FctPortRegister++;
return (FCT_SUCCESS);
} else {
*((emlxs_node_t **)remote_port->rp_fca_private) = NULL;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_register_remote_port: failed. did=%x hdl=%x",
fct_cmd->cmd_rportid, remote_port->rp_handle);
remote_port->rp_handle = FCT_HANDLE_NONE;
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
TGTPORTSTAT.FctFailedPortRegister++;
return (FCT_FAILURE);
}
} /* emlxs_fct_register_remote_port() */
static fct_status_t
emlxs_fct_deregister_remote_port(fct_local_port_t *fct_port,
fct_remote_port_t *remote_port)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_deregister_remote_port: did=%x hdl=%x",
remote_port->rp_id, remote_port->rp_handle);
#else
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_deregister_remote_port: did=%x hdl=%x",
remote_port->rp_id, remote_port->rp_handle);
#endif /* FCT_API_TRACE */
*((emlxs_node_t **)remote_port->rp_fca_private) = NULL;
(void) emlxs_mb_unreg_did(port, remote_port->rp_id, NULL, NULL, NULL);
TGTPORTSTAT.FctPortDeregister++;
return (FCT_SUCCESS);
} /* emlxs_fct_deregister_remote_port() */
/* ARGSUSED */
extern int
emlxs_fct_handle_unsol_req(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
MATCHMAP *mp, uint32_t size)
{
IOCB *iocb;
fct_cmd_t *fct_cmd;
emlxs_buf_t *cmd_sbp;
emlxs_fcp_cmd_t *fcp_cmd;
emlxs_node_t *ndlp;
uint32_t cnt;
uint32_t tm;
scsi_task_t *fct_task;
uint8_t lun[8];
uint32_t sid = 0;
iocb = &iocbq->iocb;
ndlp = emlxs_node_find_rpi(port, iocb->ulpIoTag);
if (!ndlp) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCP rcvd: Unknown RPI. rpi=%x rxid=%x. Dropping...",
iocb->ulpIoTag, iocb->ulpContext);
goto dropped;
}
sid = ndlp->nlp_DID;
fcp_cmd = (emlxs_fcp_cmd_t *)mp->virt;
if (!port->fct_port) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCP rcvd: Target unbound. rpi=%x rxid=%x. Dropping...",
iocb->ulpIoTag, iocb->ulpContext);
emlxs_send_logo(port, sid);
goto dropped;
}
if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCP rcvd: Target offline. rpi=%x rxid=%x. Dropping...",
iocb->ulpIoTag, iocb->ulpContext);
emlxs_send_logo(port, sid);
goto dropped;
}
/* Get lun id */
bcopy((void *)&fcp_cmd->fcpLunMsl, lun, 8);
if (TGTPORTSTAT.FctOutstandingIO >= port->fct_port->port_max_xchges) {
TGTPORTSTAT.FctOverQDepth++;
}
fct_cmd =
MODSYM(fct_scsi_task_alloc) (port->fct_port, iocb->ulpIoTag, sid,
lun, 16, 0);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_scsi_task_alloc %p: FCP rcvd: "
"cmd=%x sid=%x rxid=%x lun=%02x%02x dl=%d",
fct_cmd, fcp_cmd->fcpCdb[0], sid, iocb->ulpContext,
lun[0], lun[1], SWAP_DATA32(fcp_cmd->fcpDl));
#endif /* FCT_API_TRACE */
if (fct_cmd == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCP rcvd: sid=%x xid=%x. "
"Unable to allocate scsi task. Returning QFULL.",
sid, iocb->ulpContext);
(void) emlxs_fct_send_qfull_reply(port, ndlp, iocb->ulpContext,
iocb->ulpClass, fcp_cmd);
goto dropped;
}
cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
/* mutex_enter(&cmd_sbp->fct_mtx); */
/* Initialize fct_cmd */
fct_cmd->cmd_oxid = 0xFFFF;
fct_cmd->cmd_rxid = iocb->ulpContext;
fct_cmd->cmd_rportid = sid;
fct_cmd->cmd_lportid = port->did;
fct_cmd->cmd_rp_handle = iocb->ulpIoTag; /* RPI */
fct_cmd->cmd_port = port->fct_port;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_FCP_CMD_RECEIVED);
/* Initialize cmd_sbp */
cmd_sbp->did = sid;
cmd_sbp->ring = rp;
cmd_sbp->class = iocb->ulpClass;
cmd_sbp->lun = (lun[0] << 8) | lun[1];
cmd_sbp->fct_type = EMLXS_FCT_FCP_CMD;
fct_task = (scsi_task_t *)fct_cmd->cmd_specific;
/* Set task_flags */
switch (fcp_cmd->fcpCntl1) {
case SIMPLE_Q:
fct_task->task_flags = TF_ATTR_SIMPLE_QUEUE;
break;
case HEAD_OF_Q:
fct_task->task_flags = TF_ATTR_HEAD_OF_QUEUE;
break;
case ORDERED_Q:
fct_task->task_flags = TF_ATTR_ORDERED_QUEUE;
break;
case ACA_Q:
fct_task->task_flags = TF_ATTR_ACA;
break;
case UNTAGGED:
fct_task->task_flags = TF_ATTR_UNTAGGED;
break;
}
cnt = SWAP_DATA32(fcp_cmd->fcpDl);
switch (fcp_cmd->fcpCntl3) {
case 0:
TGTPORTSTAT.FctIOCmdCnt++;
break;
case 1:
emlxs_bump_wrioctr(port, cnt);
TGTPORTSTAT.FctWriteBytes += cnt;
fct_task->task_flags |= TF_WRITE_DATA;
break;
case 2:
emlxs_bump_rdioctr(port, cnt);
TGTPORTSTAT.FctReadBytes += cnt;
fct_task->task_flags |= TF_READ_DATA;
break;
}
fct_task->task_priority = 0;
/* task_mgmt_function */
tm = fcp_cmd->fcpCntl2;
if (tm) {
if (tm & BIT_1) {
fct_task->task_mgmt_function = TM_ABORT_TASK_SET;
} else if (tm & BIT_2) {
fct_task->task_mgmt_function = TM_CLEAR_TASK_SET;
} else if (tm & BIT_4) {
fct_task->task_mgmt_function = TM_LUN_RESET;
} else if (tm & BIT_5) {
fct_task->task_mgmt_function = TM_TARGET_COLD_RESET;
} else if (tm & BIT_6) {
fct_task->task_mgmt_function = TM_CLEAR_ACA;
} else {
fct_task->task_mgmt_function = TM_ABORT_TASK;
}
}
/* Parallel buffers support - future */
fct_task->task_max_nbufs = 1;
fct_task->task_additional_flags = 0;
fct_task->task_cur_nbufs = 0;
fct_task->task_csn_size = 8;
fct_task->task_cmd_seq_no = 0;
fct_task->task_expected_xfer_length = cnt;
bcopy((void *)&fcp_cmd->fcpCdb, fct_task->task_cdb, 16);
TGTPORTSTAT.FctCmdReceived++;
TGTPORTSTAT.FctOutstandingIO++;
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_CMD_POSTED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_post_rcvd_cmd:3 %p: portid x%x", fct_cmd,
fct_cmd->cmd_lportid);
#endif /* FCT_API_TRACE */
MODSYM(fct_post_rcvd_cmd) (fct_cmd, 0);
return (0);
dropped:
TGTPORTSTAT.FctRcvDropped++;
return (1);
} /* emlxs_fct_handle_unsol_req() */
/* ARGSUSED */
static fct_status_t
emlxs_fct_send_fcp_data(fct_cmd_t *fct_cmd, stmf_data_buf_t *dbuf,
uint32_t ioflags)
{
emlxs_port_t *port =
(emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp;
#ifdef FCT_API_TRACE
scsi_task_t *fct_task;
#endif /* FCT_API_TRACE */
uint32_t did;
IOCBQ *iocbq;
emlxs_node_t *ndlp;
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
#ifdef FCT_API_TRACE
fct_task = (scsi_task_t *)fct_cmd->cmd_specific;
#endif /* FCT_API_TRACE */
ndlp = *(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private;
did = fct_cmd->cmd_rportid;
/* Initialize cmd_sbp */
mutex_enter(&cmd_sbp->fct_mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_FCP_DATA);
/*
* This check is here because task_max_nbufs is set to 1.
* This ensures we will only have 1 outstanding call
* to this routine.
*/
if (!(cmd_sbp->pkt_flags & PACKET_RETURNED)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_pkt_trans_msg,
"Adapter Busy. Processing IO. did=0x%x", did);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_BUSY);
}
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
cmd_sbp->node = ndlp;
cmd_sbp->fct_buf = dbuf;
iocbq = &cmd_sbp->iocbq;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_send_fcp_data %p: flgs=%x ioflags=%x dl=%d,%d,%d",
fct_cmd, dbuf->db_flags, ioflags, fct_task->task_cmd_xfer_length,
fct_task->task_nbytes_transferred, dbuf->db_data_size);
#endif /* FCT_API_TRACE */
if (emlxs_sli_prep_fct_iocb(port, cmd_sbp) != IOERR_SUCCESS) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_BUSY);
}
cmd_sbp->fct_type = EMLXS_FCT_FCP_DATA;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_DATA_PENDING);
if (dbuf->db_flags & DB_SEND_STATUS_GOOD) {
cmd_sbp->fct_flags |= EMLXS_FCT_SEND_STATUS;
}
if (dbuf->db_flags & DB_DIRECTION_TO_RPORT) {
emlxs_fct_dbuf_dma_sync(dbuf, DDI_DMA_SYNC_FORDEV);
}
cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
emlxs_sli_issue_iocb_cmd(hba, cmd_sbp->ring, iocbq);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_SUCCESS);
} /* emlxs_fct_send_fcp_data() */
static fct_status_t
emlxs_fct_send_fcp_status(fct_cmd_t *fct_cmd)
{
emlxs_port_t *port =
(emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp;
scsi_task_t *fct_task;
fc_packet_t *pkt;
uint32_t did;
emlxs_fcp_rsp *fcp_rsp;
uint32_t size;
emlxs_node_t *ndlp;
fct_task = (scsi_task_t *)fct_cmd->cmd_specific;
ndlp = *(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private;
did = fct_cmd->cmd_rportid;
/* Initialize cmd_sbp */
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
/* &cmd_sbp->fct_mtx should be already held */
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_FCP_STATUS);
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
cmd_sbp->node = ndlp;
size = 24;
if (fct_task->task_sense_length) {
size += fct_task->task_sense_length;
}
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_send_fcp_status %p: stat=%d resid=%d size=%d rx=%x",
fct_cmd, fct_task->task_scsi_status,
fct_task->task_resid, size, fct_cmd->cmd_rxid);
#endif /* FCT_API_TRACE */
if (!(pkt = emlxs_pkt_alloc(port, size, 0, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_fcp_status: Unable to allocate packet.");
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
return (FCT_BUSY);
}
cmd_sbp->fct_type = EMLXS_FCT_FCP_STATUS;
(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
cmd_sbp->fct_pkt = pkt;
pkt->pkt_tran_type = FC_PKT_OUTBOUND;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
pkt->pkt_comp = emlxs_fct_pkt_comp;
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_SCSI_FCP;
pkt->pkt_cmd_fhdr.f_ctl =
F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
pkt->pkt_cmd_fhdr.ro = 0;
/* Build the status payload */
fcp_rsp = (emlxs_fcp_rsp *)pkt->pkt_cmd;
if (fct_task->task_resid) {
if (fct_task->task_status_ctrl & TASK_SCTRL_OVER) {
TGTPORTSTAT.FctScsiResidOver++;
fcp_rsp->rspStatus2 |= RESID_OVER;
fcp_rsp->rspResId = SWAP_DATA32(fct_task->task_resid);
} else if (fct_task->task_status_ctrl & TASK_SCTRL_UNDER) {
TGTPORTSTAT.FctScsiResidUnder++;
fcp_rsp->rspStatus2 |= RESID_UNDER;
fcp_rsp->rspResId = SWAP_DATA32(fct_task->task_resid);
}
}
if (fct_task->task_scsi_status) {
if (fct_task->task_scsi_status == SCSI_STAT_QUE_FULL) {
TGTPORTSTAT.FctScsiQfullErr++;
} else {
TGTPORTSTAT.FctScsiStatusErr++;
}
/* Make sure residual reported on non-SCSI_GOOD READ status */
if ((fct_task->task_flags & TF_READ_DATA) &&
(fcp_rsp->rspResId == 0)) {
fcp_rsp->rspStatus2 |= RESID_UNDER;
fcp_rsp->rspResId =
fct_task->task_expected_xfer_length;
}
}
if (fct_task->task_sense_length) {
TGTPORTSTAT.FctScsiSenseErr++;
fcp_rsp->rspStatus2 |= SNS_LEN_VALID;
fcp_rsp->rspSnsLen = SWAP_DATA32(fct_task->task_sense_length);
bcopy((uint8_t *)fct_task->task_sense_data,
(uint8_t *)&fcp_rsp->rspInfo0,
fct_task->task_sense_length);
}
fcp_rsp->rspStatus3 = fct_task->task_scsi_status;
fcp_rsp->rspRspLen = 0;
cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_fcp_status: Unable to send packet.");
if (cmd_sbp->pkt_flags & PACKET_VALID) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->fct_pkt = NULL;
cmd_sbp->pkt_flags |= PACKET_RETURNED;
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
mutex_exit(&cmd_sbp->mtx);
}
emlxs_pkt_free(pkt);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
return (FCT_BUSY);
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_STATUS_PENDING);
return (FCT_SUCCESS);
} /* emlxs_fct_send_fcp_status() */
static fct_status_t
emlxs_fct_send_qfull_reply(emlxs_port_t *port, emlxs_node_t *ndlp,
uint16_t xid, uint32_t class, emlxs_fcp_cmd_t *fcp_cmd)
{
emlxs_hba_t *hba = HBA;
emlxs_buf_t *sbp;
fc_packet_t *pkt;
emlxs_fcp_rsp *fcp_rsp;
uint32_t size;
RING *rp = &hba->ring[FC_FCP_RING];
uint8_t lun[8];
bcopy((void *)&fcp_cmd->fcpLunMsl, lun, 8);
size = 24;
if (!(pkt = emlxs_pkt_alloc(port, size, 0, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_qfull_reply: Unable to allocate packet.");
return (FCT_FAILURE);
}
sbp = PKT2PRIV(pkt);
sbp->node = ndlp;
sbp->ring = rp;
sbp->did = ndlp->nlp_DID;
sbp->lun = (lun[0] << 8) | lun[1];
sbp->class = class;
pkt->pkt_tran_type = FC_PKT_OUTBOUND;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(ndlp->nlp_DID);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_SCSI_FCP;
pkt->pkt_cmd_fhdr.f_ctl =
F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
pkt->pkt_cmd_fhdr.rx_id = xid;
pkt->pkt_cmd_fhdr.ro = 0;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_qfull_reply: Sending QFULL: x%x lun x%x: %d %d",
xid, sbp->lun, TGTPORTSTAT.FctOutstandingIO,
port->fct_port->port_max_xchges);
/* Build the status payload */
fcp_rsp = (emlxs_fcp_rsp *)pkt->pkt_cmd;
TGTPORTSTAT.FctScsiQfullErr++;
fcp_rsp->rspStatus3 = SCSI_STAT_QUE_FULL;
fcp_rsp->rspStatus2 |= RESID_UNDER;
fcp_rsp->rspResId = SWAP_DATA32(fcp_cmd->fcpDl);
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_qfull_reply: Unable to send packet.");
emlxs_pkt_free(pkt);
return (FCT_FAILURE);
}
return (FCT_SUCCESS);
} /* emlxs_fct_send_qfull_reply() */
/* ARGSUSED */
extern int
emlxs_fct_handle_fcp_event(emlxs_hba_t *hba, RING *rp, IOCBQ *iocbq)
{
emlxs_port_t *port = &PPORT;
IOCB *iocb;
emlxs_buf_t *sbp;
emlxs_buf_t *cmd_sbp;
uint32_t status;
fct_cmd_t *fct_cmd;
stmf_data_buf_t *dbuf;
uint8_t term_io;
scsi_task_t *fct_task;
fc_packet_t *pkt;
iocb = &iocbq->iocb;
sbp = (emlxs_buf_t *)iocbq->sbp;
TGTPORTSTAT.FctEvent++;
if (!sbp) {
/* completion with missing xmit command */
TGTPORTSTAT.FctStray++;
/* emlxs_stray_fcp_completion_msg */
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"FCP event cmd=%x status=%x error=%x iotag=%x",
iocb->ulpCommand, iocb->ulpStatus,
iocb->un.grsp.perr.statLocalError, iocb->ulpIoTag);
return (1);
}
TGTPORTSTAT.FctCompleted++;
port = sbp->iocbq.port;
fct_cmd = sbp->fct_cmd;
status = iocb->ulpStatus;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_handle_fcp_event: %p: cmd=%x status=%x", fct_cmd,
iocb->ulpCommand, status);
#endif /* FCT_API_TRACE */
if (fct_cmd == NULL) {
/* For driver generated QFULL response */
if (((iocb->ulpCommand == CMD_FCP_TRSP_CX) ||
(iocb->ulpCommand == CMD_FCP_TRSP64_CX)) && sbp->pkt) {
emlxs_pkt_free(sbp->pkt);
}
return (0);
}
/* Validate fct_cmd */
if ((fct_cmd->cmd_oxid == 0) && (fct_cmd->cmd_rxid == 0)) {
pkt = NULL;
goto done;
}
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
mutex_enter(&cmd_sbp->fct_mtx);
pkt = cmd_sbp->fct_pkt;
dbuf = sbp->fct_buf;
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_COMPLETE);
fct_cmd->cmd_comp_status = FCT_SUCCESS;
term_io = 0;
if (status) {
fct_cmd->cmd_comp_status = FCT_FAILURE;
term_io = 1;
}
if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
TGTPORTSTAT.FctOutstandingIO--;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ABORT_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
MODSYM(fct_cmd_fca_aborted) (fct_cmd,
FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
goto done;
}
if (term_io) {
/*
* The error indicates this IO should be terminated
* immediately.
*/
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_queue_cmd_for_termination:1 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_queue_cmd_for_termination) (fct_cmd,
FCT_ABTS_RECEIVED);
goto done;
}
switch (iocb->ulpCommand) {
/*
* FCP Data completion
*/
case CMD_FCP_TSEND_CX:
case CMD_FCP_TSEND64_CX:
case CMD_FCP_TRECEIVE_CX:
case CMD_FCP_TRECEIVE64_CX:
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
if (status == 0) {
if (dbuf->db_flags & DB_DIRECTION_FROM_RPORT) {
emlxs_fct_dbuf_dma_sync(dbuf,
DDI_DMA_SYNC_FORCPU);
}
if (cmd_sbp->fct_flags & EMLXS_FCT_SEND_STATUS) {
dbuf->db_flags |= DB_STATUS_GOOD_SENT;
fct_task =
(scsi_task_t *)fct_cmd->cmd_specific;
fct_task->task_scsi_status = 0;
(void) emlxs_fct_send_fcp_status(fct_cmd);
mutex_exit(&cmd_sbp->fct_mtx);
break;
}
}
cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_scsi_data_xfer_done:1 %p %p", fct_cmd, dbuf);
#endif /* FCT_API_TRACE */
MODSYM(fct_scsi_data_xfer_done) (fct_cmd, dbuf, 0);
break;
/* FCP Status completion */
case CMD_FCP_TRSP_CX:
case CMD_FCP_TRSP64_CX:
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
cmd_sbp->fct_pkt = NULL;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);
if (cmd_sbp->fct_flags & EMLXS_FCT_SEND_STATUS) {
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
TGTPORTSTAT.FctOutstandingIO--;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_scsi_data_xfer_done:2 %p %p",
fct_cmd, cmd_sbp->fct_buf);
#endif /* FCT_API_TRACE */
MODSYM(fct_scsi_data_xfer_done) (fct_cmd,
cmd_sbp->fct_buf, FCT_IOF_FCA_DONE);
} else {
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
TGTPORTSTAT.FctOutstandingIO--;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_send_response_done:1 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_send_response_done) (fct_cmd,
fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);
}
break;
default:
cmd_sbp->fct_pkt = NULL;
TGTPORTSTAT.FctStray++;
TGTPORTSTAT.FctCompleted--;
mutex_exit(&cmd_sbp->fct_mtx);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Invalid iocb: cmd=0x%x", iocb->ulpCommand);
if (pkt) {
emlxs_pkt_complete(sbp, status,
iocb->un.grsp.perr.statLocalError, 1);
}
} /* switch(iocb->ulpCommand) */
done:
if (pkt) {
emlxs_pkt_free(pkt);
}
if (status == IOSTAT_SUCCESS) {
TGTPORTSTAT.FctCmplGood++;
} else {
TGTPORTSTAT.FctCmplError++;
}
return (0);
} /* emlxs_fct_handle_fcp_event() */
/* ARGSUSED */
extern int
emlxs_fct_handle_abort(emlxs_hba_t *hba, RING *rp, IOCBQ *iocbq)
{
emlxs_port_t *port = &PPORT;
IOCB *iocb;
emlxs_buf_t *sbp;
fc_packet_t *pkt;
iocb = &iocbq->iocb;
sbp = (emlxs_buf_t *)iocbq->sbp;
TGTPORTSTAT.FctEvent++;
if (!sbp) {
/* completion with missing xmit command */
TGTPORTSTAT.FctStray++;
/* emlxs_stray_fcp_completion_msg */
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"ABORT event cmd=%x status=%x error=%x iotag=%x",
iocb->ulpCommand, iocb->ulpStatus,
iocb->un.grsp.perr.statLocalError, iocb->ulpIoTag);
return (1);
}
pkt = PRIV2PKT(sbp);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_handle_abort: %p: xri=%x status=%x", iocb->ulpContext,
iocb->ulpCommand, iocb->ulpStatus);
#endif /* FCT_API_TRACE */
if (pkt) {
emlxs_pkt_free(pkt);
}
return (0);
} /* emlxs_fct_handle_abort() */
extern int
emlxs_fct_handle_unsol_els(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
MATCHMAP *mp, uint32_t size)
{
emlxs_hba_t *hba = HBA;
IOCB *iocb;
uint32_t cmd_code;
fct_cmd_t *fct_cmd;
fct_els_t *els;
uint32_t sid;
uint32_t padding;
uint8_t *bp;
emlxs_buf_t *cmd_sbp;
uint32_t rval;
HBASTATS.ElsCmdReceived++;
bp = mp->virt;
cmd_code = (*(uint32_t *)bp) & ELS_CMD_MASK;
iocb = &iocbq->iocb;
sid = iocb->un.elsreq.remoteID;
if (!port->fct_port) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
"%s: sid=%x. Target unbound. Rejecting...",
emlxs_elscmd_xlate(cmd_code), sid);
(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
LSRJT_UNABLE_TPC, LSEXP_NOTHING_MORE);
goto done;
}
if (!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
"%s: sid=%x. Target offline. Rejecting...",
emlxs_elscmd_xlate(cmd_code), sid);
(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
LSRJT_UNABLE_TPC, LSEXP_NOTHING_MORE);
goto done;
}
/* Process the request */
switch (cmd_code) {
case ELS_CMD_FLOGI:
rval =
emlxs_fct_process_unsol_flogi(port, rp, iocbq, mp, size);
if (!rval) {
ELS_PKT *els_pkt = (ELS_PKT *)bp;
/* Save the FLOGI exchange information */
bzero((uint8_t *)&port->fx,
sizeof (fct_flogi_xchg_t));
port->fx_context = iocb->ulpContext;
bcopy((caddr_t)&els_pkt->un.logi.nodeName,
(caddr_t)port->fx.fx_nwwn, 8);
bcopy((caddr_t)&els_pkt->un.logi.portName,
(caddr_t)port->fx.fx_pwwn, 8);
port->fx.fx_sid = sid;
port->fx.fx_did = iocb->un.elsreq.myID;
port->fx.fx_fport = els_pkt->un.logi.cmn.fPort;
port->fx.fx_op = ELS_OP_FLOGI;
/* Try to handle the FLOGI now */
emlxs_fct_handle_rcvd_flogi(port);
}
goto done;
case ELS_CMD_PLOGI:
rval =
emlxs_fct_process_unsol_plogi(port, rp, iocbq, mp, size);
break;
default:
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
"%s: sid=0x%x", emlxs_elscmd_xlate(cmd_code), sid);
rval = 0;
break;
}
if (rval) {
goto done;
}
padding = (8 - (size & 7)) & 7;
fct_cmd = (fct_cmd_t *)MODSYM(fct_alloc) (FCT_STRUCT_CMD_RCVD_ELS,
(size + padding + GET_STRUCT_SIZE(emlxs_buf_t)),
AF_FORCE_NOSLEEP);
#ifdef FCT_API_TRACE
{
uint32_t *ptr = (uint32_t *)bp;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_alloc %p: ELS rcvd: rxid=%x payload: x%x x%x",
fct_cmd, iocb->ulpContext, *ptr, *(ptr + 1));
}
#endif /* FCT_API_TRACE */
if (fct_cmd == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg,
"%s: sid=%x. Out of memory. Rejecting...",
emlxs_elscmd_xlate(cmd_code), sid);
(void) emlxs_els_reply(port, iocbq, ELS_CMD_LS_RJT, cmd_code,
LSRJT_LOGICAL_BSY, LSEXP_OUT_OF_RESOURCE);
goto done;
}
cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
/* mutex_enter(&cmd_sbp->fct_mtx); */
/* Initialize fct_cmd */
fct_cmd->cmd_oxid = (cmd_code >> ELS_CMD_SHIFT) & 0xff;
fct_cmd->cmd_rxid = iocb->ulpContext;
fct_cmd->cmd_rportid = sid;
fct_cmd->cmd_lportid = port->did;
fct_cmd->cmd_rp_handle = iocb->ulpIoTag; /* RPI */
fct_cmd->cmd_port = port->fct_port;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ELS_CMD_RECEIVED);
/* Initialize cmd_sbp */
cmd_sbp->did = sid;
cmd_sbp->ring = rp;
cmd_sbp->class = iocb->ulpClass;
cmd_sbp->fct_type = EMLXS_FCT_ELS_CMD;
cmd_sbp->fct_flags |= EMLXS_FCT_PLOGI_RECEIVED;
bcopy((uint8_t *)iocb, (uint8_t *)&cmd_sbp->iocbq,
sizeof (emlxs_iocb_t));
els = (fct_els_t *)fct_cmd->cmd_specific;
els->els_req_size = size;
els->els_req_payload =
GET_BYTE_OFFSET(fct_cmd->cmd_fca_private,
GET_STRUCT_SIZE(emlxs_buf_t));
bcopy(bp, els->els_req_payload, size);
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_unsol_callback(port, fct_cmd);
done:
return (0);
} /* emlxs_fct_handle_unsol_els() */
/* ARGSUSED */
static uint32_t
emlxs_fct_process_unsol_flogi(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
MATCHMAP *mp, uint32_t size)
{
IOCB *iocb;
char buffer[64];
buffer[0] = 0;
iocb = &iocbq->iocb;
/* Perform processing of FLOGI payload */
if (emlxs_process_unsol_flogi(port, iocbq, mp, size, buffer)) {
return (1);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg, "FLOGI: sid=0x%x %s",
iocb->un.elsreq.remoteID, buffer);
return (0);
} /* emlxs_fct_process_unsol_flogi() */
/* ARGSUSED */
static uint32_t
emlxs_fct_process_unsol_plogi(emlxs_port_t *port, RING *rp, IOCBQ *iocbq,
MATCHMAP *mp, uint32_t size)
{
IOCB *iocb;
char buffer[64];
buffer[0] = 0;
iocb = &iocbq->iocb;
/* Perform processing of PLOGI payload */
if (emlxs_process_unsol_plogi(port, iocbq, mp, size, buffer)) {
return (1);
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_unsol_els_msg, "PLOGI: sid=0x%x %s",
iocb->un.elsreq.remoteID, buffer);
return (0);
} /* emlxs_fct_process_unsol_plogi() */
/* ARGSUSED */
static emlxs_buf_t *
emlxs_fct_pkt_init(emlxs_port_t *port, fct_cmd_t *fct_cmd,
fc_packet_t *pkt)
{
emlxs_buf_t *cmd_sbp;
emlxs_buf_t *sbp;
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
sbp = PKT2PRIV(pkt);
sbp->fct_cmd = cmd_sbp->fct_cmd;
sbp->node = cmd_sbp->node;
sbp->ring = cmd_sbp->ring;
sbp->did = cmd_sbp->did;
sbp->lun = cmd_sbp->lun;
sbp->class = cmd_sbp->class;
sbp->fct_type = cmd_sbp->fct_type;
sbp->fct_state = cmd_sbp->fct_state;
return (sbp);
} /* emlxs_fct_pkt_init() */
/* Mutex will be acquired */
static emlxs_buf_t *
emlxs_fct_cmd_init(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
bzero((void *)cmd_sbp, sizeof (emlxs_buf_t));
mutex_init(&cmd_sbp->fct_mtx, NULL, MUTEX_DRIVER,
(void *)hba->intr_arg);
mutex_init(&cmd_sbp->mtx, NULL, MUTEX_DRIVER, (void *)hba->intr_arg);
mutex_enter(&cmd_sbp->fct_mtx);
cmd_sbp->pkt_flags = PACKET_VALID;
cmd_sbp->port = port;
cmd_sbp->fct_cmd = fct_cmd;
cmd_sbp->node = (fct_cmd->cmd_rp) ?
*(emlxs_node_t **)fct_cmd->cmd_rp->rp_fca_private : NULL;
cmd_sbp->iocbq.sbp = cmd_sbp;
cmd_sbp->iocbq.port = port;
return (cmd_sbp);
} /* emlxs_fct_cmd_init() */
/* Mutex must be held */
static int
emlxs_fct_cmd_uninit(emlxs_port_t *port, fct_cmd_t *fct_cmd)
{
emlxs_buf_t *cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
/* Flags fct_cmd is no longer used */
fct_cmd->cmd_oxid = 0;
fct_cmd->cmd_rxid = 0;
if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
return (FC_FAILURE);
}
if (cmd_sbp->iotag != 0) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"Pkt still registered! ringo=%d iotag=%d sbp=%p",
cmd_sbp->ring, cmd_sbp->iotag, cmd_sbp);
if (cmd_sbp->ring) {
(void) emlxs_unregister_pkt(cmd_sbp->ring,
cmd_sbp->iotag, 0);
}
}
cmd_sbp->pkt_flags |= PACKET_RETURNED;
cmd_sbp->pkt_flags &= ~PACKET_VALID;
mutex_exit(&cmd_sbp->fct_mtx);
mutex_destroy(&cmd_sbp->mtx);
mutex_destroy(&cmd_sbp->fct_mtx);
return (FC_SUCCESS);
} /* emlxs_fct_cmd_uninit() */
static void
emlxs_fct_pkt_comp(fc_packet_t *pkt)
{
emlxs_port_t *port;
#ifdef FMA_SUPPORT
emlxs_hba_t *hba;
#endif /* FMA_SUPPORT */
emlxs_buf_t *sbp;
emlxs_buf_t *cmd_sbp;
fct_cmd_t *fct_cmd;
fct_els_t *fct_els;
fct_sol_ct_t *fct_ct;
sbp = PKT2PRIV(pkt);
port = sbp->port;
#ifdef FMA_SUPPORT
hba = HBA;
#endif /* FMA_SUPPORT */
fct_cmd = sbp->fct_cmd;
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
mutex_enter(&cmd_sbp->fct_mtx);
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_PKT_COMPLETE);
if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
TGTPORTSTAT.FctOutstandingIO--;
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_ABORT_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
MODSYM(fct_cmd_fca_aborted) (fct_cmd,
FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
goto done;
}
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
cmd_sbp->fct_pkt = NULL;
mutex_exit(&cmd_sbp->mtx);
switch (fct_cmd->cmd_type) {
case FCT_CMD_FCP_XCHG:
if ((pkt->pkt_reason == FC_REASON_ABORTED) ||
(pkt->pkt_reason == FC_REASON_XCHG_DROPPED) ||
(pkt->pkt_reason == FC_REASON_OFFLINE)) {
/*
* The error indicates this IO should be terminated
* immediately.
*/
cmd_sbp->fct_flags &= ~EMLXS_FCT_SEND_STATUS;
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags |= PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_queue_cmd_for_termination:2 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_queue_cmd_for_termination) (fct_cmd,
FCT_ABTS_RECEIVED);
goto done;
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_PKT_FCPRSP_COMPLETE);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_send_response_done:2 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#else
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_pkt_comp: fct_send_response_done. dbuf=%p",
sbp->fct_buf);
#endif /* FCT_API_TRACE */
TGTPORTSTAT.FctOutstandingIO--;
MODSYM(fct_send_response_done) (fct_cmd,
fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);
break;
case FCT_CMD_RCVD_ELS:
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_PKT_ELSRSP_COMPLETE);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_send_response_done:3 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_send_response_done) (fct_cmd,
fct_cmd->cmd_comp_status, FCT_IOF_FCA_DONE);
break;
case FCT_CMD_SOL_ELS:
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_PKT_ELSCMD_COMPLETE);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);
fct_els = (fct_els_t *)fct_cmd->cmd_specific;
if (fct_els->els_resp_payload) {
emlxs_mpdata_sync(pkt->pkt_resp_dma, 0,
pkt->pkt_rsplen, DDI_DMA_SYNC_FORKERNEL);
bcopy((uint8_t *)pkt->pkt_resp,
(uint8_t *)fct_els->els_resp_payload,
fct_els->els_resp_size);
}
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_send_cmd_done:1 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_send_cmd_done) (fct_cmd, FCT_SUCCESS,
FCT_IOF_FCA_DONE);
break;
case FCT_CMD_SOL_CT:
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_PKT_CTCMD_COMPLETE);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_IO_DONE);
fct_ct = (fct_sol_ct_t *)fct_cmd->cmd_specific;
if (fct_ct->ct_resp_payload) {
emlxs_mpdata_sync(pkt->pkt_resp_dma, 0,
pkt->pkt_rsplen, DDI_DMA_SYNC_FORKERNEL);
bcopy((uint8_t *)pkt->pkt_resp,
(uint8_t *)fct_ct->ct_resp_payload,
fct_ct->ct_resp_size);
}
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_send_cmd_done:2 %p: x%x",
fct_cmd, fct_cmd->cmd_comp_status);
#endif /* FCT_API_TRACE */
MODSYM(fct_send_cmd_done) (fct_cmd, FCT_SUCCESS,
FCT_IOF_FCA_DONE);
break;
default:
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_pkt_comp: Invalid cmd type found. type=%x",
fct_cmd->cmd_type);
cmd_sbp->fct_pkt = NULL;
mutex_exit(&cmd_sbp->fct_mtx);
}
done:
emlxs_pkt_free(pkt);
return;
} /* emlxs_fct_pkt_comp() */
static void
emlxs_fct_abort_pkt_comp(fc_packet_t *pkt)
{
#ifdef FCT_API_TRACE
emlxs_buf_t *sbp;
IOCBQ *iocbq;
IOCB *iocb;
sbp = PKT2PRIV(pkt);
iocbq = &sbp->iocbq;
iocb = &iocbq->iocb;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_handle_abort: %p: xri=%x status=%x", iocb->ulpContext,
iocb->ulpCommand, iocb->ulpStatus);
#endif /* FCT_API_TRACE */
emlxs_pkt_free(pkt);
return;
} /* emlxs_fct_abort_pkt_comp() */
static fct_status_t
emlxs_fct_send_els_cmd(fct_cmd_t *fct_cmd)
{
emlxs_port_t *port =
(emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
emlxs_hba_t *hba = HBA;
uint32_t did;
fct_els_t *fct_els;
fc_packet_t *pkt;
emlxs_buf_t *cmd_sbp;
did = fct_cmd->cmd_rportid;
fct_els = (fct_els_t *)fct_cmd->cmd_specific;
if (!(pkt = emlxs_pkt_alloc(port, fct_els->els_req_size,
fct_els->els_resp_size, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_els_cmd: Unable to allocate packet.");
return (FCT_FAILURE);
}
cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
/* mutex_enter(&cmd_sbp->fct_mtx); */
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ELS_REQ);
cmd_sbp->ring = &hba->ring[FC_ELS_RING];
cmd_sbp->fct_type = EMLXS_FCT_ELS_REQ;
cmd_sbp->did = fct_cmd->cmd_rportid;
(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
cmd_sbp->fct_pkt = pkt;
pkt->pkt_tran_type = FC_PKT_EXCHANGE;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
pkt->pkt_comp = emlxs_fct_pkt_comp;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_send_els_cmd: pkt_timeout=%d ratov=%d",
pkt->pkt_timeout, hba->fc_ratov);
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_ELS_REQ;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
pkt->pkt_cmd_fhdr.f_ctl =
F_CTL_FIRST_SEQ | F_CTL_END_SEQ | F_CTL_SEQ_INITIATIVE;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
pkt->pkt_cmd_fhdr.rx_id = 0xFFFF;
pkt->pkt_cmd_fhdr.ro = 0;
/* Copy the cmd payload */
bcopy((uint8_t *)fct_els->els_req_payload, (uint8_t *)pkt->pkt_cmd,
fct_els->els_req_size);
cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_els_cmd: Unable to send packet.");
if (cmd_sbp->pkt_flags & PACKET_VALID) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->fct_pkt = NULL;
cmd_sbp->pkt_flags |= PACKET_RETURNED;
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
mutex_exit(&cmd_sbp->mtx);
}
emlxs_pkt_free(pkt);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_FAILURE);
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_PENDING);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_SUCCESS);
} /* emlxs_fct_send_els_cmd() */
static fct_status_t
emlxs_fct_send_els_rsp(fct_cmd_t *fct_cmd)
{
emlxs_port_t *port =
(emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
emlxs_hba_t *hba = HBA;
uint32_t did;
fct_els_t *fct_els;
fc_packet_t *pkt;
emlxs_buf_t *cmd_sbp;
fct_els = (fct_els_t *)fct_cmd->cmd_specific;
did = fct_cmd->cmd_rportid;
if (!(pkt = emlxs_pkt_alloc(port, fct_els->els_resp_size, 0, 0,
KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_els_rsp: Unable to allocate packet.");
return (FCT_FAILURE);
}
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
mutex_enter(&cmd_sbp->fct_mtx);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ELS_RSP);
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->pkt_flags &= ~PACKET_RETURNED;
mutex_exit(&cmd_sbp->mtx);
cmd_sbp->fct_type = EMLXS_FCT_ELS_RSP;
(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
cmd_sbp->fct_pkt = pkt;
pkt->pkt_tran_type = FC_PKT_OUTBOUND;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
pkt->pkt_comp = emlxs_fct_pkt_comp;
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_ELS_RSP;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_EXTENDED_LS;
pkt->pkt_cmd_fhdr.f_ctl =
F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
pkt->pkt_cmd_fhdr.ro = 0;
/* Copy the resp payload to pkt_cmd buffer */
bcopy((uint8_t *)fct_els->els_resp_payload, (uint8_t *)pkt->pkt_cmd,
fct_els->els_resp_size);
cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_els_rsp: Unable to send packet.");
if (cmd_sbp->pkt_flags & PACKET_VALID) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->fct_pkt = NULL;
cmd_sbp->pkt_flags |= PACKET_RETURNED;
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
mutex_exit(&cmd_sbp->mtx);
}
emlxs_pkt_free(pkt);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_FAILURE);
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_RSP_PENDING);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_SUCCESS);
} /* emlxs_fct_send_els_rsp() */
static fct_status_t
emlxs_fct_send_ct_cmd(fct_cmd_t *fct_cmd)
{
emlxs_port_t *port =
(emlxs_port_t *)fct_cmd->cmd_port->port_fca_private;
emlxs_hba_t *hba = HBA;
uint32_t did;
fct_sol_ct_t *fct_ct;
fc_packet_t *pkt;
emlxs_buf_t *cmd_sbp;
did = fct_cmd->cmd_rportid;
fct_ct = (fct_sol_ct_t *)fct_cmd->cmd_specific;
if (!(pkt = emlxs_pkt_alloc(port, fct_ct->ct_req_size,
fct_ct->ct_resp_size, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_ct_cmd: Unable to allocate packet.");
return (FCT_FAILURE);
}
cmd_sbp = emlxs_fct_cmd_init(port, fct_cmd);
/* mutex_enter(&cmd_sbp->fct_mtx); */
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_CT_REQ);
cmd_sbp->ring = &hba->ring[FC_CT_RING];
cmd_sbp->fct_type = EMLXS_FCT_CT_REQ;
cmd_sbp->did = fct_cmd->cmd_rportid;
(void) emlxs_fct_pkt_init(port, fct_cmd, pkt);
cmd_sbp->fct_pkt = pkt;
pkt->pkt_tran_type = FC_PKT_EXCHANGE;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
pkt->pkt_comp = emlxs_fct_pkt_comp;
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(did);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_UNSOL_CONTROL;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_FC_SERVICES;
pkt->pkt_cmd_fhdr.f_ctl =
F_CTL_FIRST_SEQ | F_CTL_END_SEQ | F_CTL_SEQ_INITIATIVE;
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = 0xFFFF;
pkt->pkt_cmd_fhdr.rx_id = 0xFFFF;
pkt->pkt_cmd_fhdr.ro = 0;
/* Copy the cmd payload */
bcopy((uint8_t *)fct_ct->ct_req_payload, (uint8_t *)pkt->pkt_cmd,
fct_ct->ct_req_size);
cmd_sbp->fct_flags |= EMLXS_FCT_IO_INP;
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_send_ct_cmd: Unable to send packet.");
if (cmd_sbp->pkt_flags & PACKET_VALID) {
mutex_enter(&cmd_sbp->mtx);
cmd_sbp->fct_pkt = NULL;
cmd_sbp->pkt_flags |= PACKET_RETURNED;
cmd_sbp->fct_flags &= ~EMLXS_FCT_IO_INP;
mutex_exit(&cmd_sbp->mtx);
}
emlxs_pkt_free(pkt);
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_FAILURE);
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_REQ_PENDING);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_SUCCESS);
} /* emlxs_fct_send_ct_cmd() */
uint32_t
emlxs_fct_pkt_abort_txq(emlxs_port_t *port, emlxs_buf_t *cmd_sbp)
{
emlxs_hba_t *hba = HBA;
NODELIST *nlp;
fc_packet_t *pkt;
emlxs_buf_t *sbp;
emlxs_buf_t *iocb_sbp;
uint8_t ringno;
RING *rp;
IOCBQ *iocbq;
IOCBQ *next;
IOCBQ *prev;
uint32_t found;
uint32_t pkt_flags;
uint32_t rval = 0;
/* Check the transmit queue */
mutex_enter(&EMLXS_RINGTX_LOCK);
/* The IOCB could point to a cmd_sbp (no packet) or a sbp (packet) */
pkt = cmd_sbp->fct_pkt;
if (pkt) {
sbp = PKT2PRIV(pkt);
if (sbp == NULL) {
goto done;
}
iocb_sbp = sbp;
iocbq = &sbp->iocbq;
pkt_flags = sbp->pkt_flags;
} else {
sbp = NULL;
iocb_sbp = cmd_sbp;
iocbq = &cmd_sbp->iocbq;
pkt_flags = cmd_sbp->pkt_flags;
}
nlp = (NODELIST *)cmd_sbp->node;
rp = (RING *)cmd_sbp->ring;
ringno = (rp) ? rp->ringno : 0;
if (pkt_flags & PACKET_IN_TXQ) {
/* Find it on the queue */
found = 0;
if (iocbq->flag & IOCB_PRIORITY) {
/* Search the priority queue */
prev = NULL;
next = (IOCBQ *)nlp->nlp_ptx[ringno].q_first;
while (next) {
if (next == iocbq) {
/* Remove it */
if (prev) {
prev->next = iocbq->next;
}
if (nlp->nlp_ptx[ringno].q_last ==
(void *)iocbq) {
nlp->nlp_ptx[ringno].q_last =
(void *)prev;
}
if (nlp->nlp_ptx[ringno].q_first ==
(void *)iocbq) {
nlp->nlp_ptx[ringno].q_first =
(void *)iocbq->next;
}
nlp->nlp_ptx[ringno].q_cnt--;
iocbq->next = NULL;
found = 1;
break;
}
prev = next;
next = next->next;
}
} else {
/* Search the normal queue */
prev = NULL;
next = (IOCBQ *)nlp->nlp_tx[ringno].q_first;
while (next) {
if (next == iocbq) {
/* Remove it */
if (prev) {
prev->next = iocbq->next;
}
if (nlp->nlp_tx[ringno].q_last ==
(void *)iocbq) {
nlp->nlp_tx[ringno].q_last =
(void *)prev;
}
if (nlp->nlp_tx[ringno].q_first ==
(void *)iocbq) {
nlp->nlp_tx[ringno].q_first =
(void *)iocbq->next;
}
nlp->nlp_tx[ringno].q_cnt--;
iocbq->next = NULL;
found = 1;
break;
}
prev = next;
next = (IOCBQ *)next->next;
}
}
if (!found) {
goto done;
}
/* Check if node still needs servicing */
if ((nlp->nlp_ptx[ringno].q_first) ||
(nlp->nlp_tx[ringno].q_first &&
!(nlp->nlp_flag[ringno] & NLP_CLOSED))) {
/*
* If this is the base node, don't shift the pointers
*/
/* We want to drain the base node before moving on */
if (!nlp->nlp_base) {
/* Shift ring queue pointers to next node */
rp->nodeq.q_last = (void *)nlp;
rp->nodeq.q_first = nlp->nlp_next[ringno];
}
} else {
/* Remove node from ring queue */
/* If this is the last node on list */
if (rp->nodeq.q_last == (void *)nlp) {
rp->nodeq.q_last = NULL;
rp->nodeq.q_first = NULL;
rp->nodeq.q_cnt = 0;
} else {
/* Remove node from head */
rp->nodeq.q_first = nlp->nlp_next[ringno];
((NODELIST *)rp->nodeq.q_last)->
nlp_next[ringno] = rp->nodeq.q_first;
rp->nodeq.q_cnt--;
}
/* Clear node */
nlp->nlp_next[ringno] = NULL;
}
/* The IOCB points to a cmd_sbp (no packet) or a sbp (packet) */
mutex_enter(&iocb_sbp->mtx);
if (iocb_sbp->pkt_flags & PACKET_IN_TXQ) {
iocb_sbp->pkt_flags &= ~PACKET_IN_TXQ;
hba->ring_tx_count[ringno]--;
}
mutex_exit(&iocb_sbp->mtx);
(void) emlxs_unregister_pkt(rp, iocb_sbp->iotag, 0);
mutex_exit(&EMLXS_RINGTX_LOCK);
rval = 1;
if (pkt) {
emlxs_pkt_free(pkt);
cmd_sbp->fct_pkt = NULL;
}
return (rval);
}
done:
mutex_exit(&EMLXS_RINGTX_LOCK);
return (rval);
}
/* FCT_NOT_FOUND & FCT_ABORT_SUCCESS indicates IO is done */
/* FCT_SUCCESS indicates abort will occur asyncronously */
static fct_status_t
emlxs_fct_abort(fct_local_port_t *fct_port, fct_cmd_t *fct_cmd,
uint32_t flags)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_hba_t *hba = HBA;
emlxs_buf_t *cmd_sbp;
fc_packet_t *pkt;
uint32_t state;
emlxs_buf_t *sbp = NULL;
fct_status_t rval;
top:
/* Sanity check */
if ((fct_cmd->cmd_oxid == 0) && (fct_cmd->cmd_rxid == 0)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: Invalid fct_cmd=%p.", fct_cmd);
return (FCT_NOT_FOUND);
}
cmd_sbp = (emlxs_buf_t *)fct_cmd->cmd_fca_private;
if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: Invalid cmd_sbp=%p.", cmd_sbp);
return (FCT_NOT_FOUND);
}
if (mutex_tryenter(&cmd_sbp->fct_mtx) == 0) {
/*
* This code path handles a race condition if
* an IO completes, in emlxs_fct_handle_fcp_event(),
* and we get an abort at the same time.
*/
delay(drv_usectohz(100000)); /* 100 msec */
goto top;
}
/* At this point, we have entered the mutex */
if (!(cmd_sbp->pkt_flags & PACKET_VALID)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: Invalid cmd_sbp=%p.", cmd_sbp);
mutex_exit(&cmd_sbp->fct_mtx);
return (FCT_NOT_FOUND);
}
if (flags & FCT_IOF_FORCE_FCA_DONE) {
fct_cmd->cmd_handle = 0;
}
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: HbaLink %d. "
"xid=%x. cmd_sbp=%p state=%d flags=%x,%x,%x",
hba->state, fct_cmd->cmd_rxid, cmd_sbp, cmd_sbp->fct_state, flags,
cmd_sbp->fct_flags, cmd_sbp->pkt_flags);
rval = FCT_SUCCESS;
state = cmd_sbp->fct_state;
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_SEND_ABORT);
if (cmd_sbp->fct_flags & EMLXS_FCT_ABORT_INP) {
emlxs_sli_issue_iocb_cmd(hba, cmd_sbp->ring, 0);
/* If Abort is already in progress */
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
}
TGTPORTSTAT.FctAbortSent++;
switch (state) {
case EMLXS_FCT_CMD_POSTED:
case EMLXS_FCT_SEND_ELS_RSP:
case EMLXS_FCT_SEND_ELS_REQ:
case EMLXS_FCT_SEND_CT_REQ:
case EMLXS_FCT_RSP_PENDING:
case EMLXS_FCT_REQ_PENDING:
case EMLXS_FCT_REG_PENDING:
case EMLXS_FCT_REG_COMPLETE:
case EMLXS_FCT_OWNED:
case EMLXS_FCT_SEND_FCP_DATA:
case EMLXS_FCT_SEND_FCP_STATUS:
case EMLXS_FCT_DATA_PENDING:
case EMLXS_FCT_STATUS_PENDING:
case EMLXS_FCT_IOCB_ISSUED:
case EMLXS_FCT_IOCB_COMPLETE:
case EMLXS_FCT_PKT_COMPLETE:
case EMLXS_FCT_PKT_FCPRSP_COMPLETE:
case EMLXS_FCT_PKT_ELSRSP_COMPLETE:
case EMLXS_FCT_PKT_ELSCMD_COMPLETE:
case EMLXS_FCT_PKT_CTCMD_COMPLETE:
case EMLXS_FCT_REQ_COMPLETE:
case EMLXS_FCT_ABORT_DONE:
case EMLXS_FCT_IO_DONE:
if (emlxs_fct_pkt_abort_txq(port, cmd_sbp)) {
if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
TGTPORTSTAT.FctOutstandingIO--;
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_ABORT_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
MODSYM(fct_cmd_fca_aborted) (fct_cmd,
FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
return (rval);
}
if (!(hba->flag & FC_ONLINE_MODE)) {
if ((state == EMLXS_FCT_OWNED) ||
(state == EMLXS_FCT_CMD_POSTED)) {
if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
TGTPORTSTAT.FctOutstandingIO--;
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_ABORT_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
MODSYM(fct_cmd_fca_aborted) (fct_cmd,
FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
return (rval);
}
cmd_sbp->fct_flags |= EMLXS_FCT_ABORT_INP;
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
}
if (!(pkt = emlxs_pkt_alloc(port, 0, 0, 0, KM_NOSLEEP))) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_abort: Unable to allocate packet.");
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
}
sbp = emlxs_fct_pkt_init(port, fct_cmd, pkt);
pkt->pkt_tran_type = FC_PKT_OUTBOUND;
pkt->pkt_timeout =
((2 * hba->fc_ratov) < 30) ? 30 : (2 * hba->fc_ratov);
pkt->pkt_comp = emlxs_fct_abort_pkt_comp;
/* Build the fc header */
pkt->pkt_cmd_fhdr.d_id = SWAP_DATA24_LO(fct_cmd->cmd_rportid);
pkt->pkt_cmd_fhdr.r_ctl = R_CTL_STATUS;
pkt->pkt_cmd_fhdr.s_id = SWAP_DATA24_LO(port->did);
pkt->pkt_cmd_fhdr.type = FC_TYPE_BASIC_LS;
pkt->pkt_cmd_fhdr.f_ctl =
(F_CTL_XCHG_CONTEXT | F_CTL_LAST_SEQ | F_CTL_END_SEQ);
pkt->pkt_cmd_fhdr.seq_id = 0;
pkt->pkt_cmd_fhdr.df_ctl = 0;
pkt->pkt_cmd_fhdr.seq_cnt = 0;
pkt->pkt_cmd_fhdr.ox_id = fct_cmd->cmd_oxid;
pkt->pkt_cmd_fhdr.rx_id = fct_cmd->cmd_rxid;
pkt->pkt_cmd_fhdr.ro = 0;
cmd_sbp->fct_flags |= EMLXS_FCT_ABORT_INP;
cmd_sbp->fct_cmd = fct_cmd;
cmd_sbp->abort_attempts++;
/* Now disassociate the sbp / pkt from the fct_cmd */
sbp->fct_cmd = NULL;
if (hba->state >= FC_LINK_UP) {
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_ABORT_PENDING);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: ABORT: %p xri x%x",
fct_cmd, fct_cmd->cmd_rxid);
} else {
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_CLOSE_PENDING);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_abort: CLOSE: %p xri x%x",
fct_cmd, fct_cmd->cmd_rxid);
}
/*
* If there isn't an outstanding IO, indicate the fct_cmd
* is aborted now.
*/
if ((state == EMLXS_FCT_OWNED) ||
(state == EMLXS_FCT_CMD_POSTED)) {
if (fct_cmd->cmd_type == FCT_CMD_FCP_XCHG) {
TGTPORTSTAT.FctOutstandingIO--;
}
emlxs_fct_state_chg(fct_cmd, cmd_sbp,
EMLXS_FCT_ABORT_DONE);
/* mutex_exit(&cmd_sbp->fct_mtx); */
(void) emlxs_fct_cmd_uninit(port, fct_cmd);
MODSYM(fct_cmd_fca_aborted) (fct_cmd,
FCT_ABORT_SUCCESS, FCT_IOF_FCA_DONE);
}
if (emlxs_pkt_send(pkt, 1) != FC_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_error_msg,
"emlxs_fct_abort: Unable to send packet.");
cmd_sbp->fct_flags &= ~EMLXS_FCT_ABORT_INP;
emlxs_pkt_free(pkt);
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
}
break;
case EMLXS_FCT_CMD_WAITQ:
case EMLXS_FCT_FCP_CMD_RECEIVED:
case EMLXS_FCT_ELS_CMD_RECEIVED:
case EMLXS_FCT_SEND_ABORT:
case EMLXS_FCT_CLOSE_PENDING:
case EMLXS_FCT_ABORT_PENDING:
case EMLXS_FCT_ABORT_COMPLETE:
default:
emlxs_fct_state_chg(fct_cmd, cmd_sbp, EMLXS_FCT_OWNED);
rval = FCT_FAILURE;
break;
} /* switch */
mutex_exit(&cmd_sbp->fct_mtx);
return (rval);
} /* emlxs_fct_abort() */
extern void
emlxs_fct_link_up(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
mutex_enter(&EMLXS_PORT_LOCK);
if (port->fct_port &&
(port->fct_flags & FCT_STATE_PORT_ONLINE) &&
!(port->fct_flags & FCT_STATE_LINK_UP)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_link_up event.");
port->fct_flags |= FCT_STATE_LINK_UP;
mutex_exit(&EMLXS_PORT_LOCK);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_handle_event LINK_UP");
#endif /* FCT_API_TRACE */
MODSYM(fct_handle_event) (port->fct_port, FCT_EVENT_LINK_UP,
0, 0);
emlxs_fct_unsol_flush(port);
} else {
if (!hba->ini_mode &&
!(port->fct_flags & FCT_STATE_PORT_ONLINE)) {
mutex_exit(&EMLXS_PORT_LOCK);
/* Take link down and hold it down */
(void) emlxs_reset_link(hba, 0);
} else {
mutex_exit(&EMLXS_PORT_LOCK);
}
}
return;
} /* emlxs_fct_link_up() */
extern void
emlxs_fct_link_down(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
mutex_enter(&EMLXS_PORT_LOCK);
if (port->fct_port &&
(port->fct_flags & FCT_STATE_PORT_ONLINE) &&
(port->fct_flags & FCT_STATE_LINK_UP)) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_link_down event.");
port->fct_flags &= ~FCT_STATE_LINK_UP;
mutex_exit(&EMLXS_PORT_LOCK);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"fct_handle_event LINK_DOWN");
#endif /* FCT_API_TRACE */
MODSYM(fct_handle_event) (port->fct_port, FCT_EVENT_LINK_DOWN,
0, 0);
} else {
mutex_exit(&EMLXS_PORT_LOCK);
}
return;
} /* emlxs_fct_link_down() */
/* DMA FUNCTIONS */
fct_status_t
emlxs_fct_dmem_init(emlxs_port_t *port)
{
emlxs_hba_t *hba = HBA;
emlxs_fct_dmem_bucket_t *p;
emlxs_fct_dmem_bctl_t *bctl;
emlxs_fct_dmem_bctl_t *bc;
emlxs_fct_dmem_bctl_t *prev;
int32_t j;
int32_t i;
uint32_t total_mem;
uint8_t *addr;
uint8_t *host_addr;
uint64_t dev_addr;
ddi_dma_cookie_t cookie;
uint32_t ncookie;
uint32_t bsize;
size_t len;
char buf[64];
ddi_device_acc_attr_t acc;
bzero(&acc, sizeof (acc));
acc.devacc_attr_version = DDI_DEVICE_ATTR_V0;
acc.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC;
acc.devacc_attr_dataorder = DDI_STRICTORDER_ACC;
p = port->dmem_bucket;
for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
if (!p->dmem_nbufs) {
continue;
}
bctl = (emlxs_fct_dmem_bctl_t *)kmem_zalloc(p->dmem_nbufs *
sizeof (emlxs_fct_dmem_bctl_t), KM_NOSLEEP);
if (bctl == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: Unable to allocate bctl.");
goto alloc_bctl_failed;
}
p->dmem_bctls_mem = bctl;
if (ddi_dma_alloc_handle(hba->dip, &emlxs_dma_attr_1sg,
DDI_DMA_SLEEP, 0, &p->dmem_dma_handle) != DDI_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: Unable to allocate handle.");
goto alloc_handle_failed;
}
total_mem = p->dmem_buf_size * p->dmem_nbufs;
if (ddi_dma_mem_alloc(p->dmem_dma_handle, total_mem, &acc,
DDI_DMA_STREAMING, DDI_DMA_DONTWAIT, 0,
(caddr_t *)&addr, &len,
&p->dmem_acc_handle) != DDI_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: Unable to allocate memory.");
goto mem_alloc_failed;
}
if (ddi_dma_addr_bind_handle(p->dmem_dma_handle, NULL,
(caddr_t)addr, total_mem,
DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_DONTWAIT, 0,
&cookie, &ncookie) != DDI_SUCCESS) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: Unable to bind handle.");
goto addr_bind_handle_failed;
}
if (ncookie != 1) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: DMEM init failed.");
goto dmem_init_failed;
}
(void) sprintf(buf, "%s%d_bucket%d mutex", DRIVER_NAME,
hba->ddiinst, i);
mutex_init(&p->dmem_lock, buf, MUTEX_DRIVER,
(void *)hba->intr_arg);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"bufsize=%d cnt=%d", p->dmem_buf_size, p->dmem_nbufs);
host_addr = addr;
dev_addr = (uint64_t)cookie.dmac_laddress;
p->dmem_host_addr = addr;
p->dmem_dev_addr = dev_addr;
p->dmem_bctl_free_list = bctl;
p->dmem_nbufs_free = p->dmem_nbufs;
bsize = p->dmem_buf_size;
for (j = 0; j < p->dmem_nbufs; j++) {
stmf_data_buf_t *db;
db = MODSYM(stmf_alloc) (STMF_STRUCT_DATA_BUF, 0, 0);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_alloc data_buf %p", db);
#endif /* FCT_API_TRACE */
if (db == NULL) {
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlxs_fct_dmem_init: alloc failed.");
goto dmem_init_failed;
}
db->db_port_private = bctl;
db->db_sglist[0].seg_addr = host_addr;
db->db_sglist[0].seg_length = bsize;
db->db_buf_size = bsize;
db->db_sglist_length = 1;
bctl->bctl_bucket = p;
bctl->bctl_buf = db;
bctl->bctl_dev_addr = dev_addr;
host_addr += bsize;
dev_addr += bsize;
prev = bctl;
bctl++;
prev->bctl_next = bctl;
}
prev->bctl_next = NULL;
}
return (FCT_SUCCESS);
dmem_failure_loop:
mutex_destroy(&p->dmem_lock);
bc = bctl;
while (bc) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_free:3 %p", bctl->bctl_buf);
#endif /* FCT_API_TRACE */
MODSYM(stmf_free) (bc->bctl_buf);
bc = bc->bctl_next;
}
dmem_init_failed:
(void) ddi_dma_unbind_handle(p->dmem_dma_handle);
addr_bind_handle_failed:
(void) ddi_dma_mem_free(&p->dmem_acc_handle);
mem_alloc_failed:
(void) ddi_dma_free_handle(&p->dmem_dma_handle);
alloc_handle_failed:
kmem_free(p->dmem_bctls_mem,
p->dmem_nbufs * sizeof (emlxs_fct_dmem_bctl_t));
alloc_bctl_failed:
if (--i >= 0) {
p = &port->dmem_bucket[i];
bctl = p->dmem_bctl_free_list;
goto dmem_failure_loop;
}
return (FCT_FAILURE);
} /* emlxs_fct_dmem_init() */
void
emlxs_fct_dmem_fini(emlxs_port_t *port)
{
emlxs_fct_dmem_bucket_t *p;
emlxs_fct_dmem_bctl_t *bctl;
uint32_t i;
p = port->dmem_bucket;
for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
if (!p->dmem_nbufs) {
continue;
}
bctl = p->dmem_bctl_free_list;
while (bctl) {
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"stmf_free:4 %p", bctl->bctl_buf);
#endif /* FCT_API_TRACE */
MODSYM(stmf_free) (bctl->bctl_buf);
bctl = bctl->bctl_next;
}
bctl = p->dmem_bctl_free_list;
(void) ddi_dma_unbind_handle(p->dmem_dma_handle);
(void) ddi_dma_mem_free(&p->dmem_acc_handle);
(void) ddi_dma_free_handle(&p->dmem_dma_handle);
kmem_free(p->dmem_bctls_mem,
(p->dmem_nbufs * sizeof (emlxs_fct_dmem_bctl_t)));
mutex_destroy(&p->dmem_lock);
}
bzero((uint8_t *)port->dmem_bucket, sizeof (port->dmem_bucket));
return;
} /* emlxs_fct_dmem_fini() */
/* ARGSUSED */
static stmf_data_buf_t *
emlxs_fct_dbuf_alloc(fct_local_port_t *fct_port, uint32_t size,
uint32_t *pminsize, uint32_t flags)
{
emlxs_port_t *port = (emlxs_port_t *)fct_port->port_fca_private;
emlxs_fct_dmem_bucket_t *p;
emlxs_fct_dmem_bctl_t *bctl;
uint32_t i;
if (size > FCT_DMEM_MAX_BUF_SIZE) {
size = FCT_DMEM_MAX_BUF_SIZE;
}
p = port->dmem_bucket;
for (i = 0; i < FCT_MAX_BUCKETS; i++, p++) {
if (!p->dmem_nbufs) {
continue;
}
if (p->dmem_buf_size >= size) {
mutex_enter(&p->dmem_lock);
if (p->dmem_nbufs_free) {
if (p->dmem_buf_size < *pminsize) {
*pminsize = p->dmem_buf_size;
TGTPORTSTAT.FctNoBuffer++;
EMLXS_MSGF(EMLXS_CONTEXT,
&emlxs_fct_api_msg,
"emlxs_fct_dbuf_alloc: Failed(1).");
mutex_exit(&p->dmem_lock);
return (NULL);
}
bctl = p->dmem_bctl_free_list;
if (bctl == NULL) {
mutex_exit(&p->dmem_lock);
continue;
}
p->dmem_bctl_free_list = bctl->bctl_next;
p->dmem_nbufs_free--;
bctl->bctl_buf->db_data_size = size;
mutex_exit(&p->dmem_lock);
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlx_fct_buf_alloc size %p: %d",
bctl->bctl_buf, size);
#endif /* FCT_API_TRACE */
return (bctl->bctl_buf);
}
mutex_exit(&p->dmem_lock);
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_detail_msg,
"emlx_fct_buf_alloc size %d Nothing free bck %d",
size, i);
}
}
*pminsize = 0;
TGTPORTSTAT.FctNoBuffer++;
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlxs_fct_dbuf_alloc: Failed(2).");
return (NULL);
} /* emlxs_fct_dbuf_alloc() */
/*ARGSUSED*/
static void
emlxs_fct_dbuf_free(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf)
{
emlxs_fct_dmem_bctl_t *bctl =
(emlxs_fct_dmem_bctl_t *)dbuf->db_port_private;
emlxs_fct_dmem_bucket_t *p = bctl->bctl_bucket;
#ifdef FCT_API_TRACE
EMLXS_MSGF(EMLXS_CONTEXT, &emlxs_fct_api_msg,
"emlx_fct_buf_free %p", dbuf);
#endif /* FCT_API_TRACE */
mutex_enter(&p->dmem_lock);
bctl->bctl_next = p->dmem_bctl_free_list;
p->dmem_bctl_free_list = bctl;
p->dmem_nbufs_free++;
mutex_exit(&p->dmem_lock);
} /* emlxs_fct_dbuf_free() */
static void
emlxs_fct_dbuf_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type)
{
emlxs_fct_dmem_bctl_t *bctl =
(emlxs_fct_dmem_bctl_t *)dbuf->db_port_private;
emlxs_fct_dmem_bucket_t *p = bctl->bctl_bucket;
(void) ddi_dma_sync(p->dmem_dma_handle,
(unsigned long)(bctl->bctl_dev_addr - p->dmem_dev_addr),
dbuf->db_data_size, sync_type);
} /* emlxs_fct_dbuf_dma_sync() */
#endif /* SFCT_SUPPORT */