linux/drivers/scsi/bfa/fdmi.c
Jing Huang 4f1806bc3c [SCSI] bfa: use standards defined timeout for ELS/CT
Use standards defined 2 * RA_TOV as a timeout for ELS Request retries.
And standards defined 3 * RA_TOV as a timeout for FC-CT Request retries.
Also, added a check to send RPSC2 to a Brocade Fabric only.

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27 12:04:08 -05:00

1230 lines
33 KiB
C

/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/**
* port_api.c BFA FCS port
*/
#include <bfa.h>
#include <bfa_svc.h>
#include "fcs_lport.h"
#include "fcs_rport.h"
#include "lport_priv.h"
#include "fcs_trcmod.h"
#include "fcs_fcxp.h"
#include <fcs/bfa_fcs_fdmi.h>
BFA_TRC_FILE(FCS, FDMI);
#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
/*
* forward declarations
*/
static void bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_port_fdmi_rhba_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_port_fdmi_rprt_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_port_fdmi_rpa_response(void *fcsarg,
struct bfa_fcxp_s *fcxp,
void *cbarg,
bfa_status_t req_status,
u32 rsp_len,
u32 resid_len,
struct fchs_s *rsp_fchs);
static void bfa_fcs_port_fdmi_timeout(void *arg);
static u16 bfa_fcs_port_fdmi_build_rhba_pyld(
struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld);
static u16 bfa_fcs_port_fdmi_build_rprt_pyld(
struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld);
static u16 bfa_fcs_port_fdmi_build_rpa_pyld(
struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld);
static u16 bfa_fcs_port_fdmi_build_portattr_block(
struct bfa_fcs_port_fdmi_s *fdmi, u8 *pyld);
static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi,
struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi,
struct bfa_fcs_fdmi_port_attr_s *port_attr);
/**
* fcs_fdmi_sm FCS FDMI state machine
*/
/**
* FDMI State Machine events
*/
enum port_fdmi_event {
FDMISM_EVENT_PORT_ONLINE = 1,
FDMISM_EVENT_PORT_OFFLINE = 2,
FDMISM_EVENT_RSP_OK = 4,
FDMISM_EVENT_RSP_ERROR = 5,
FDMISM_EVENT_TIMEOUT = 6,
FDMISM_EVENT_RHBA_SENT = 7,
FDMISM_EVENT_RPRT_SENT = 8,
FDMISM_EVENT_RPA_SENT = 9,
};
static void bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_port_fdmi_sm_disabled(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event);
/**
* Start in offline state - awaiting MS to send start.
*/
static void
bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
fdmi->retry_cnt = 0;
switch (event) {
case FDMISM_EVENT_PORT_ONLINE:
if (port->vport) {
/*
* For Vports, register a new port.
*/
bfa_sm_set_state(fdmi,
bfa_fcs_port_fdmi_sm_sending_rprt);
bfa_fcs_port_fdmi_send_rprt(fdmi, NULL);
} else {
/*
* For a base port, we should first register the HBA
* atribute. The HBA attribute also contains the base
* port registration.
*/
bfa_sm_set_state(fdmi,
bfa_fcs_port_fdmi_sm_sending_rhba);
bfa_fcs_port_fdmi_send_rhba(fdmi, NULL);
}
break;
case FDMISM_EVENT_PORT_OFFLINE:
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RHBA_SENT:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->fcxp_wqe);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RSP_ERROR:
/*
* if max retries have not been reached, start timer for a
* delayed retry
*/
if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rhba_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer, bfa_fcs_port_fdmi_timeout,
fdmi, BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
}
break;
case FDMISM_EVENT_RSP_OK:
/*
* Initiate Register Port Attributes
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa);
fdmi->retry_cnt = 0;
bfa_fcs_port_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rhba);
bfa_fcs_port_fdmi_send_rhba(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* RPRT : Register Port
*/
static void
bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RPRT_SENT:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->fcxp_wqe);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RSP_ERROR:
/*
* if max retries have not been reached, start timer for a
* delayed retry
*/
if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rprt_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer, bfa_fcs_port_fdmi_timeout,
fdmi, BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
fdmi->retry_cnt = 0;
}
break;
case FDMISM_EVENT_RSP_OK:
fdmi->retry_cnt = 0;
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rprt);
bfa_fcs_port_fdmi_send_rprt(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* Register Port Attributes
*/
static void
bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RPA_SENT:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->fcxp_wqe);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_RSP_ERROR:
/*
* if max retries have not been reached, start timer for a
* delayed retry
*/
if (fdmi->retry_cnt++ < BFA_FCS_FDMI_CMD_MAX_RETRIES) {
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_rpa_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer, bfa_fcs_port_fdmi_timeout,
fdmi, BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
fdmi->retry_cnt = 0;
}
break;
case FDMISM_EVENT_RSP_OK:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_online);
fdmi->retry_cnt = 0;
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_sending_rpa);
bfa_fcs_port_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/**
* FDMI is disabled state.
*/
static void
bfa_fcs_port_fdmi_sm_disabled(struct bfa_fcs_port_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
/* No op State. It can only be enabled at Driver Init. */
}
/**
* RHBA : Register HBA Attributes.
*/
static void
bfa_fcs_port_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct fchs_s fchs;
int len, attr_len;
struct bfa_fcxp_s *fcxp;
u8 *pyld;
bfa_trc(port->fcs, port->port_cfg.pwwn);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_port_fdmi_send_rhba, fdmi);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port),
FDMI_RHBA);
attr_len = bfa_fcs_port_fdmi_build_rhba_pyld(fdmi,
(u8 *) ((struct ct_hdr_s *) pyld + 1));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, (len + attr_len), &fchs,
bfa_fcs_port_fdmi_rhba_response, (void *)fdmi,
FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
}
static u16
bfa_fcs_port_fdmi_build_rhba_pyld(struct bfa_fcs_port_fdmi_s *fdmi,
u8 *pyld)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct bfa_fcs_fdmi_hba_attr_s hba_attr; /* @todo */
struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr; /* @todo */
struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
struct fdmi_attr_s *attr;
u8 *curr_ptr;
u16 len, count;
/*
* get hba attributes
*/
bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
rhba->hba_id = bfa_fcs_port_get_pwwn(port);
rhba->port_list.num_ports = bfa_os_htonl(1);
rhba->port_list.port_entry = bfa_fcs_port_get_pwwn(port);
len = sizeof(rhba->hba_id) + sizeof(rhba->port_list);
count = 0;
len += sizeof(rhba->hba_attr_blk.attr_count);
/*
* fill out the invididual entries of the HBA attrib Block
*/
curr_ptr = (u8 *) &rhba->hba_attr_blk.hba_attr;
/*
* Node Name
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_NODENAME);
attr->len = sizeof(wwn_t);
memcpy(attr->value, &bfa_fcs_port_get_nwwn(port), attr->len);
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Manufacturer
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MANUFACTURER);
attr->len = (u16) strlen(fcs_hba_attr->manufacturer);
memcpy(attr->value, fcs_hba_attr->manufacturer, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Serial Number
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_SERIALNUM);
attr->len = (u16) strlen(fcs_hba_attr->serial_num);
memcpy(attr->value, fcs_hba_attr->serial_num, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Model
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL);
attr->len = (u16) strlen(fcs_hba_attr->model);
memcpy(attr->value, fcs_hba_attr->model, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Model Desc
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MODEL_DESC);
attr->len = (u16) strlen(fcs_hba_attr->model_desc);
memcpy(attr->value, fcs_hba_attr->model_desc, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* H/W Version
*/
if (fcs_hba_attr->hw_version[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_HW_VERSION);
attr->len = (u16) strlen(fcs_hba_attr->hw_version);
memcpy(attr->value, fcs_hba_attr->hw_version, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
}
/*
* Driver Version
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_DRIVER_VERSION);
attr->len = (u16) strlen(fcs_hba_attr->driver_version);
memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Option Rom Version
*/
if (fcs_hba_attr->option_rom_ver[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_ROM_VERSION);
attr->len = (u16) strlen(fcs_hba_attr->option_rom_ver);
memcpy(attr->value, fcs_hba_attr->option_rom_ver, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
}
/*
* f/w Version = driver version
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_FW_VERSION);
attr->len = (u16) strlen(fcs_hba_attr->driver_version);
memcpy(attr->value, fcs_hba_attr->driver_version, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* OS Name
*/
if (fcs_hba_attr->os_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_OS_NAME);
attr->len = (u16) strlen(fcs_hba_attr->os_name);
memcpy(attr->value, fcs_hba_attr->os_name, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
}
/*
* MAX_CT_PAYLOAD
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_HBA_ATTRIB_MAX_CT);
attr->len = sizeof(fcs_hba_attr->max_ct_pyld);
memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, attr->len);
len += attr->len;
count++;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Update size of payload
*/
len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
rhba->hba_attr_blk.attr_count = bfa_os_htonl(count);
return len;
}
static void
bfa_fcs_port_fdmi_rhba_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
void *cbarg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct ct_hdr_s *cthdr = NULL;
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
return;
}
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
return;
}
bfa_trc(port->fcs, cthdr->reason_code);
bfa_trc(port->fcs, cthdr->exp_code);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}
/**
* RPRT : Register Port
*/
static void
bfa_fcs_port_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct fchs_s fchs;
u16 len, attr_len;
struct bfa_fcxp_s *fcxp;
u8 *pyld;
bfa_trc(port->fcs, port->port_cfg.pwwn);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_port_fdmi_send_rprt, fdmi);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port),
FDMI_RPRT);
attr_len = bfa_fcs_port_fdmi_build_rprt_pyld(fdmi,
(u8 *) ((struct ct_hdr_s *) pyld + 1));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len + attr_len, &fchs,
bfa_fcs_port_fdmi_rprt_response, (void *)fdmi,
FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RPRT_SENT);
}
/**
* This routine builds Port Attribute Block that used in RPA, RPRT commands.
*/
static u16
bfa_fcs_port_fdmi_build_portattr_block(struct bfa_fcs_port_fdmi_s *fdmi,
u8 *pyld)
{
struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
struct fdmi_port_attr_s *port_attrib = (struct fdmi_port_attr_s *) pyld;
struct fdmi_attr_s *attr;
u8 *curr_ptr;
u16 len;
u8 count = 0;
/*
* get port attributes
*/
bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
len = sizeof(port_attrib->attr_count);
/*
* fill out the invididual entries
*/
curr_ptr = (u8 *) &port_attrib->port_attr;
/*
* FC4 Types
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FC4_TYPES);
attr->len = sizeof(fcs_port_attr.supp_fc4_types);
memcpy(attr->value, fcs_port_attr.supp_fc4_types, attr->len);
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* Supported Speed
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_SUPP_SPEED);
attr->len = sizeof(fcs_port_attr.supp_speed);
memcpy(attr->value, &fcs_port_attr.supp_speed, attr->len);
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* current Port Speed
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_PORT_SPEED);
attr->len = sizeof(fcs_port_attr.curr_speed);
memcpy(attr->value, &fcs_port_attr.curr_speed, attr->len);
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* max frame size
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_FRAME_SIZE);
attr->len = sizeof(fcs_port_attr.max_frm_size);
memcpy(attr->value, &fcs_port_attr.max_frm_size, attr->len);
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
/*
* OS Device Name
*/
if (fcs_port_attr.os_device_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_DEV_NAME);
attr->len = (u16) strlen(fcs_port_attr.os_device_name);
memcpy(attr->value, fcs_port_attr.os_device_name, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
}
/*
* Host Name
*/
if (fcs_port_attr.host_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = bfa_os_htons(FDMI_PORT_ATTRIB_HOST_NAME);
attr->len = (u16) strlen(fcs_port_attr.host_name);
memcpy(attr->value, fcs_port_attr.host_name, attr->len);
/* variable fields need to be 4 byte aligned */
attr->len = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + attr->len;
len += attr->len;
++count;
attr->len =
bfa_os_htons(attr->len + sizeof(attr->type) +
sizeof(attr->len));
}
/*
* Update size of payload
*/
port_attrib->attr_count = bfa_os_htonl(count);
len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
return len;
}
static u16
bfa_fcs_port_fdmi_build_rprt_pyld(struct bfa_fcs_port_fdmi_s *fdmi,
u8 *pyld)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
u16 len;
rprt->hba_id = bfa_fcs_port_get_pwwn(bfa_fcs_get_base_port(port->fcs));
rprt->port_name = bfa_fcs_port_get_pwwn(port);
len = bfa_fcs_port_fdmi_build_portattr_block(fdmi,
(u8 *) &rprt->port_attr_blk);
len += sizeof(rprt->hba_id) + sizeof(rprt->port_name);
return len;
}
static void
bfa_fcs_port_fdmi_rprt_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
void *cbarg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct ct_hdr_s *cthdr = NULL;
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
return;
}
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
return;
}
bfa_trc(port->fcs, cthdr->reason_code);
bfa_trc(port->fcs, cthdr->exp_code);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}
/**
* RPA : Register Port Attributes.
*/
static void
bfa_fcs_port_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_port_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct fchs_s fchs;
u16 len, attr_len;
struct bfa_fcxp_s *fcxp;
u8 *pyld;
bfa_trc(port->fcs, port->port_cfg.pwwn);
fcxp = fcxp_alloced ? fcxp_alloced : bfa_fcs_fcxp_alloc(port->fcs);
if (!fcxp) {
bfa_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_port_fdmi_send_rpa, fdmi);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
bfa_os_memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_port_get_fcid(port),
FDMI_RPA);
attr_len = bfa_fcs_port_fdmi_build_rpa_pyld(fdmi,
(u8 *) ((struct ct_hdr_s *) pyld + 1));
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
FC_CLASS_3, len + attr_len, &fchs,
bfa_fcs_port_fdmi_rpa_response, (void *)fdmi,
FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
}
static u16
bfa_fcs_port_fdmi_build_rpa_pyld(struct bfa_fcs_port_fdmi_s *fdmi,
u8 *pyld)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
u16 len;
rpa->port_name = bfa_fcs_port_get_pwwn(port);
len = bfa_fcs_port_fdmi_build_portattr_block(fdmi,
(u8 *) &rpa->port_attr_blk);
len += sizeof(rpa->port_name);
return len;
}
static void
bfa_fcs_port_fdmi_rpa_response(void *fcsarg, struct bfa_fcxp_s *fcxp,
void *cbarg, bfa_status_t req_status,
u32 rsp_len, u32 resid_len,
struct fchs_s *rsp_fchs)
{
struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)cbarg;
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct ct_hdr_s *cthdr = NULL;
bfa_trc(port->fcs, port->port_cfg.pwwn);
/*
* Sanity Checks
*/
if (req_status != BFA_STATUS_OK) {
bfa_trc(port->fcs, req_status);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
return;
}
cthdr = (struct ct_hdr_s *) BFA_FCXP_RSP_PLD(fcxp);
cthdr->cmd_rsp_code = bfa_os_ntohs(cthdr->cmd_rsp_code);
if (cthdr->cmd_rsp_code == CT_RSP_ACCEPT) {
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_OK);
return;
}
bfa_trc(port->fcs, cthdr->reason_code);
bfa_trc(port->fcs, cthdr->exp_code);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RSP_ERROR);
}
static void
bfa_fcs_port_fdmi_timeout(void *arg)
{
struct bfa_fcs_port_fdmi_s *fdmi = (struct bfa_fcs_port_fdmi_s *)arg;
bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
}
static void
bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi,
struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
hba_attr->manufacturer);
bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
hba_attr->serial_num);
bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, hba_attr->model);
bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, hba_attr->model_desc);
bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc, hba_attr->hw_version);
bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
hba_attr->option_rom_ver);
bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc, hba_attr->fw_version);
strncpy(hba_attr->driver_version, (char *)driver_info->version,
sizeof(hba_attr->driver_version));
strncpy(hba_attr->os_name, driver_info->host_os_name,
sizeof(hba_attr->os_name));
/*
* If there is a patch level, append it to the os name along with a
* separator
*/
if (driver_info->host_os_patch[0] != '\0') {
strncat(hba_attr->os_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
strncat(hba_attr->os_name, driver_info->host_os_patch,
sizeof(driver_info->host_os_patch));
}
hba_attr->max_ct_pyld = bfa_os_htonl(FC_MAX_PDUSZ);
}
static void
bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi,
struct bfa_fcs_fdmi_port_attr_s *port_attr)
{
struct bfa_fcs_port_s *port = fdmi->ms->port;
struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
struct bfa_pport_attr_s pport_attr;
bfa_os_memset(port_attr, 0, sizeof(struct bfa_fcs_fdmi_port_attr_s));
/*
* get pport attributes from hal
*/
bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
/*
* get FC4 type Bitmask
*/
fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->supp_fc4_types);
/*
* Supported Speeds
*/
port_attr->supp_speed = bfa_os_htonl(BFA_FCS_FDMI_SUPORTED_SPEEDS);
/*
* Current Speed
*/
port_attr->curr_speed = bfa_os_htonl(pport_attr.speed);
/*
* Max PDU Size.
*/
port_attr->max_frm_size = bfa_os_htonl(FC_MAX_PDUSZ);
/*
* OS device Name
*/
strncpy(port_attr->os_device_name, (char *)driver_info->os_device_name,
sizeof(port_attr->os_device_name));
/*
* Host name
*/
strncpy(port_attr->host_name, (char *)driver_info->host_machine_name,
sizeof(port_attr->host_name));
}
void
bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms)
{
struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
if (ms->port->fcs->fdmi_enabled)
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
else
bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_disabled);
}
void
bfa_fcs_port_fdmi_offline(struct bfa_fcs_port_ms_s *ms)
{
struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
}
void
bfa_fcs_port_fdmi_online(struct bfa_fcs_port_ms_s *ms)
{
struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
}