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nest-open-source / nest-learning-thermostat / 5.7 / linux-imx-ul / refs/heads/master / . / drivers / scsi / bfa / bfa_fcs_lport.c
blob: ff75ef8917551b35a61ff1e2eea41239b76b8332 [file] [log] [blame] [edit]
/*
* Copyright (c) 2005-2010 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.
*/
#include "bfad_drv.h"
#include "bfad_im.h"
#include "bfa_fcs.h"
#include "bfa_fcbuild.h"
#include "bfa_fc.h"
BFA_TRC_FILE(FCS, PORT);
/*
* ALPA to LIXA bitmap mapping
*
* ALPA 0x00 (Word 0, Bit 30) is invalid for N_Ports. Also Word 0 Bit 31
* is for L_bit (login required) and is filled as ALPA 0x00 here.
*/
static const u8 loop_alpa_map[] = {
0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, /* Word 0 Bits 31..24 */
0x17, 0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, /* Word 0 Bits 23..16 */
0x26, 0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, /* Word 0 Bits 15..08 */
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, /* Word 0 Bits 07..00 */
0x3C, 0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, /* Word 1 Bits 31..24 */
0x4C, 0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, /* Word 1 Bits 23..16 */
0x56, 0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, /* Word 1 Bits 15..08 */
0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, /* Word 1 Bits 07..00 */
0x73, 0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, /* Word 2 Bits 31..24 */
0x81, 0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, /* Word 2 Bits 23..16 */
0x9B, 0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, /* Word 2 Bits 15..08 */
0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, /* Word 2 Bits 07..00 */
0xB3, 0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, /* Word 3 Bits 31..24 */
0xC5, 0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, /* Word 3 Bits 23..16 */
0xCE, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, /* Word 3 Bits 15..08 */
0xDA, 0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF, /* Word 3 Bits 07..00 */
};
static void bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs, u8 reason_code,
u8 reason_code_expl);
static void bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs, struct fc_logi_s *plogi);
static void bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs,
struct fc_echo_s *echo, u16 len);
static void bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs,
struct fc_rnid_cmd_s *rnid, u16 len);
static void bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
struct fc_rnid_general_topology_data_s *gen_topo_data);
static void bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port);
static void bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port);
static struct {
void (*init) (struct bfa_fcs_lport_s *port);
void (*online) (struct bfa_fcs_lport_s *port);
void (*offline) (struct bfa_fcs_lport_s *port);
} __port_action[] = {
{
bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online,
bfa_fcs_lport_unknown_offline}, {
bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online,
bfa_fcs_lport_fab_offline}, {
bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online,
bfa_fcs_lport_n2n_offline}, {
bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online,
bfa_fcs_lport_loop_offline},
};
/*
* fcs_port_sm FCS logical port state machine
*/
enum bfa_fcs_lport_event {
BFA_FCS_PORT_SM_CREATE = 1,
BFA_FCS_PORT_SM_ONLINE = 2,
BFA_FCS_PORT_SM_OFFLINE = 3,
BFA_FCS_PORT_SM_DELETE = 4,
BFA_FCS_PORT_SM_DELRPORT = 5,
BFA_FCS_PORT_SM_STOP = 6,
};
static void bfa_fcs_lport_sm_uninit(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void bfa_fcs_lport_sm_online(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void bfa_fcs_lport_sm_offline(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void bfa_fcs_lport_sm_deleting(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event);
static void
bfa_fcs_lport_sm_uninit(
struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_CREATE:
bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_sm_init(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_ONLINE:
bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
bfa_fcs_lport_online_actions(port);
break;
case BFA_FCS_PORT_SM_DELETE:
bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
bfa_fcs_lport_deleted(port);
break;
case BFA_FCS_PORT_SM_STOP:
/* If vport - send completion call back */
if (port->vport)
bfa_fcs_vport_stop_comp(port->vport);
else
bfa_wc_down(&(port->fabric->stop_wc));
break;
case BFA_FCS_PORT_SM_OFFLINE:
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_sm_online(
struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe, *qen;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_OFFLINE:
bfa_sm_set_state(port, bfa_fcs_lport_sm_offline);
bfa_fcs_lport_offline_actions(port);
break;
case BFA_FCS_PORT_SM_STOP:
__port_action[port->fabric->fab_type].offline(port);
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
/* If vport - send completion call back */
if (port->vport)
bfa_fcs_vport_stop_comp(port->vport);
else
bfa_wc_down(&(port->fabric->stop_wc));
} else {
bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
}
}
break;
case BFA_FCS_PORT_SM_DELETE:
__port_action[port->fabric->fab_type].offline(port);
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
bfa_fcs_lport_deleted(port);
} else {
bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
}
}
break;
case BFA_FCS_PORT_SM_DELRPORT:
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_sm_offline(
struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe, *qen;
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_ONLINE:
bfa_sm_set_state(port, bfa_fcs_lport_sm_online);
bfa_fcs_lport_online_actions(port);
break;
case BFA_FCS_PORT_SM_STOP:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
/* If vport - send completion call back */
if (port->vport)
bfa_fcs_vport_stop_comp(port->vport);
else
bfa_wc_down(&(port->fabric->stop_wc));
} else {
bfa_sm_set_state(port, bfa_fcs_lport_sm_stopping);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
}
}
break;
case BFA_FCS_PORT_SM_DELETE:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
bfa_fcs_lport_deleted(port);
} else {
bfa_sm_set_state(port, bfa_fcs_lport_sm_deleting);
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
}
}
break;
case BFA_FCS_PORT_SM_DELRPORT:
case BFA_FCS_PORT_SM_OFFLINE:
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_sm_stopping(struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_DELRPORT:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_init);
/* If vport - send completion call back */
if (port->vport)
bfa_fcs_vport_stop_comp(port->vport);
else
bfa_wc_down(&(port->fabric->stop_wc));
}
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_sm_deleting(
struct bfa_fcs_lport_s *port,
enum bfa_fcs_lport_event event)
{
bfa_trc(port->fcs, port->port_cfg.pwwn);
bfa_trc(port->fcs, event);
switch (event) {
case BFA_FCS_PORT_SM_DELRPORT:
if (port->num_rports == 0) {
bfa_sm_set_state(port, bfa_fcs_lport_sm_uninit);
bfa_fcs_lport_deleted(port);
}
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* fcs_port_pvt
*/
/*
* Send AEN notification
*/
static void
bfa_fcs_lport_aen_post(struct bfa_fcs_lport_s *port,
enum bfa_lport_aen_event event)
{
struct bfad_s *bfad = (struct bfad_s *)port->fabric->fcs->bfad;
struct bfa_aen_entry_s *aen_entry;
bfad_get_aen_entry(bfad, aen_entry);
if (!aen_entry)
return;
aen_entry->aen_data.lport.vf_id = port->fabric->vf_id;
aen_entry->aen_data.lport.roles = port->port_cfg.roles;
aen_entry->aen_data.lport.ppwwn = bfa_fcs_lport_get_pwwn(
bfa_fcs_get_base_port(port->fcs));
aen_entry->aen_data.lport.lpwwn = bfa_fcs_lport_get_pwwn(port);
/* Send the AEN notification */
bfad_im_post_vendor_event(aen_entry, bfad, ++port->fcs->fcs_aen_seq,
BFA_AEN_CAT_LPORT, event);
}
/*
* Send a LS reject
*/
static void
bfa_fcs_lport_send_ls_rjt(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
u8 reason_code, u8 reason_code_expl)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
int len;
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_fchs->s_id);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return;
len = fc_ls_rjt_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, reason_code, reason_code_expl);
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/*
* Send a FCCT Reject
*/
static void
bfa_fcs_lport_send_fcgs_rjt(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs, u8 reason_code, u8 reason_code_expl)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
int len;
struct ct_hdr_s *rx_cthdr = (struct ct_hdr_s *)(rx_fchs + 1);
struct ct_hdr_s *ct_hdr;
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_fchs->s_id);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return;
ct_hdr = bfa_fcxp_get_reqbuf(fcxp);
ct_hdr->gs_type = rx_cthdr->gs_type;
ct_hdr->gs_sub_type = rx_cthdr->gs_sub_type;
len = fc_gs_rjt_build(&fchs, ct_hdr, rx_fchs->s_id,
bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, reason_code, reason_code_expl);
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/*
* Process incoming plogi from a remote port.
*/
static void
bfa_fcs_lport_plogi(struct bfa_fcs_lport_s *port,
struct fchs_s *rx_fchs, struct fc_logi_s *plogi)
{
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_fchs->s_id);
/*
* If min cfg mode is enabled, drop any incoming PLOGIs
*/
if (__fcs_min_cfg(port->fcs)) {
bfa_trc(port->fcs, rx_fchs->s_id);
return;
}
if (fc_plogi_parse(rx_fchs) != FC_PARSE_OK) {
bfa_trc(port->fcs, rx_fchs->s_id);
/*
* send a LS reject
*/
bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
FC_LS_RJT_RSN_PROTOCOL_ERROR,
FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS);
return;
}
/*
* Direct Attach P2P mode : verify address assigned by the r-port.
*/
if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
(memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
(void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
if (BFA_FCS_PID_IS_WKA(rx_fchs->d_id)) {
/* Address assigned to us cannot be a WKA */
bfa_fcs_lport_send_ls_rjt(port, rx_fchs,
FC_LS_RJT_RSN_PROTOCOL_ERROR,
FC_LS_RJT_EXP_INVALID_NPORT_ID);
return;
}
port->pid = rx_fchs->d_id;
bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
}
/*
* First, check if we know the device by pwwn.
*/
rport = bfa_fcs_lport_get_rport_by_pwwn(port, plogi->port_name);
if (rport) {
/*
* Direct Attach P2P mode : handle address assigned by r-port.
*/
if ((!bfa_fcs_fabric_is_switched(port->fabric)) &&
(memcmp((void *)&bfa_fcs_lport_get_pwwn(port),
(void *)&plogi->port_name, sizeof(wwn_t)) < 0)) {
port->pid = rx_fchs->d_id;
bfa_lps_set_n2n_pid(port->fabric->lps, rx_fchs->d_id);
rport->pid = rx_fchs->s_id;
}
bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
return;
}
/*
* Next, lookup rport by PID.
*/
rport = bfa_fcs_lport_get_rport_by_pid(port, rx_fchs->s_id);
if (!rport) {
/*
* Inbound PLOGI from a new device.
*/
bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
return;
}
/*
* Rport is known only by PID.
*/
if (rport->pwwn) {
/*
* This is a different device with the same pid. Old device
* disappeared. Send implicit LOGO to old device.
*/
WARN_ON(rport->pwwn == plogi->port_name);
bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
/*
* Inbound PLOGI from a new device (with old PID).
*/
bfa_fcs_rport_plogi_create(port, rx_fchs, plogi);
return;
}
/*
* PLOGI crossing each other.
*/
WARN_ON(rport->pwwn != WWN_NULL);
bfa_fcs_rport_plogi(rport, rx_fchs, plogi);
}
/*
* Process incoming ECHO.
* Since it does not require a login, it is processed here.
*/
static void
bfa_fcs_lport_echo(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
struct fc_echo_s *echo, u16 rx_len)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
int len, pyld_len;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return;
len = fc_ls_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id);
/*
* Copy the payload (if any) from the echo frame
*/
pyld_len = rx_len - sizeof(struct fchs_s);
bfa_trc(port->fcs, rx_len);
bfa_trc(port->fcs, pyld_len);
if (pyld_len > len)
memcpy(((u8 *) bfa_fcxp_get_reqbuf(fcxp)) +
sizeof(struct fc_echo_s), (echo + 1),
(pyld_len - sizeof(struct fc_echo_s)));
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, pyld_len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/*
* Process incoming RNID.
* Since it does not require a login, it is processed here.
*/
static void
bfa_fcs_lport_rnid(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs,
struct fc_rnid_cmd_s *rnid, u16 rx_len)
{
struct fc_rnid_common_id_data_s common_id_data;
struct fc_rnid_general_topology_data_s gen_topo_data;
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
struct bfa_rport_s *bfa_rport = NULL;
u16 len;
u32 data_format;
bfa_trc(port->fcs, rx_fchs->s_id);
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_len);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return;
/*
* Check Node Indentification Data Format
* We only support General Topology Discovery Format.
* For any other requested Data Formats, we return Common Node Id Data
* only, as per FC-LS.
*/
bfa_trc(port->fcs, rnid->node_id_data_format);
if (rnid->node_id_data_format == RNID_NODEID_DATA_FORMAT_DISCOVERY) {
data_format = RNID_NODEID_DATA_FORMAT_DISCOVERY;
/*
* Get General topology data for this port
*/
bfa_fs_port_get_gen_topo_data(port, &gen_topo_data);
} else {
data_format = RNID_NODEID_DATA_FORMAT_COMMON;
}
/*
* Copy the Node Id Info
*/
common_id_data.port_name = bfa_fcs_lport_get_pwwn(port);
common_id_data.node_name = bfa_fcs_lport_get_nwwn(port);
len = fc_rnid_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, data_format, &common_id_data,
&gen_topo_data);
bfa_fcxp_send(fcxp, bfa_rport, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
/*
* Fill out General Topolpgy Discovery Data for RNID ELS.
*/
static void
bfa_fs_port_get_gen_topo_data(struct bfa_fcs_lport_s *port,
struct fc_rnid_general_topology_data_s *gen_topo_data)
{
memset(gen_topo_data, 0,
sizeof(struct fc_rnid_general_topology_data_s));
gen_topo_data->asso_type = cpu_to_be32(RNID_ASSOCIATED_TYPE_HOST);
gen_topo_data->phy_port_num = 0; /* @todo */
gen_topo_data->num_attached_nodes = cpu_to_be32(1);
}
static void
bfa_fcs_lport_online_actions(struct bfa_fcs_lport_s *port)
{
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
bfa_trc(port->fcs, port->fabric->oper_type);
__port_action[port->fabric->fab_type].init(port);
__port_action[port->fabric->fab_type].online(port);
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
"Logical port online: WWN = %s Role = %s\n",
lpwwn_buf, "Initiator");
bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_ONLINE);
bfad->bfad_flags |= BFAD_PORT_ONLINE;
}
static void
bfa_fcs_lport_offline_actions(struct bfa_fcs_lport_s *port)
{
struct list_head *qe, *qen;
struct bfa_fcs_rport_s *rport;
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
bfa_trc(port->fcs, port->fabric->oper_type);
__port_action[port->fabric->fab_type].offline(port);
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
if (bfa_sm_cmp_state(port->fabric,
bfa_fcs_fabric_sm_online) == BFA_TRUE) {
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
"Logical port lost fabric connectivity: WWN = %s Role = %s\n",
lpwwn_buf, "Initiator");
bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DISCONNECT);
} else {
BFA_LOG(KERN_WARNING, bfad, bfa_log_level,
"Logical port taken offline: WWN = %s Role = %s\n",
lpwwn_buf, "Initiator");
bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_OFFLINE);
}
list_for_each_safe(qe, qen, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
bfa_sm_send_event(rport, RPSM_EVENT_LOGO_IMP);
}
}
static void
bfa_fcs_lport_unknown_init(struct bfa_fcs_lport_s *port)
{
WARN_ON(1);
}
static void
bfa_fcs_lport_unknown_online(struct bfa_fcs_lport_s *port)
{
WARN_ON(1);
}
static void
bfa_fcs_lport_unknown_offline(struct bfa_fcs_lport_s *port)
{
WARN_ON(1);
}
static void
bfa_fcs_lport_abts_acc(struct bfa_fcs_lport_s *port, struct fchs_s *rx_fchs)
{
struct fchs_s fchs;
struct bfa_fcxp_s *fcxp;
int len;
bfa_trc(port->fcs, rx_fchs->d_id);
bfa_trc(port->fcs, rx_fchs->s_id);
fcxp = bfa_fcs_fcxp_alloc(port->fcs, BFA_FALSE);
if (!fcxp)
return;
len = fc_ba_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
rx_fchs->s_id, bfa_fcs_lport_get_fcid(port),
rx_fchs->ox_id, 0);
bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag,
BFA_FALSE, FC_CLASS_3, len, &fchs, NULL, NULL,
FC_MAX_PDUSZ, 0);
}
static void
bfa_fcs_lport_deleted(struct bfa_fcs_lport_s *port)
{
struct bfad_s *bfad = (struct bfad_s *)port->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(port));
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"Logical port deleted: WWN = %s Role = %s\n",
lpwwn_buf, "Initiator");
bfa_fcs_lport_aen_post(port, BFA_LPORT_AEN_DELETE);
/* Base port will be deleted by the OS driver */
if (port->vport)
bfa_fcs_vport_delete_comp(port->vport);
else
bfa_wc_down(&port->fabric->wc);
}
/*
* Unsolicited frame receive handling.
*/
void
bfa_fcs_lport_uf_recv(struct bfa_fcs_lport_s *lport,
struct fchs_s *fchs, u16 len)
{
u32 pid = fchs->s_id;
struct bfa_fcs_rport_s *rport = NULL;
struct fc_els_cmd_s *els_cmd = (struct fc_els_cmd_s *) (fchs + 1);
bfa_stats(lport, uf_recvs);
bfa_trc(lport->fcs, fchs->type);
if (!bfa_fcs_lport_is_online(lport)) {
/*
* In direct attach topology, it is possible to get a PLOGI
* before the lport is online due to port feature
* (QoS/Trunk/FEC/CR), so send a rjt
*/
if ((fchs->type == FC_TYPE_ELS) &&
(els_cmd->els_code == FC_ELS_PLOGI)) {
bfa_fcs_lport_send_ls_rjt(lport, fchs,
FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD,
FC_LS_RJT_EXP_NO_ADDL_INFO);
bfa_stats(lport, plogi_rcvd);
} else
bfa_stats(lport, uf_recv_drops);
return;
}
/*
* First, handle ELSs that donot require a login.
*/
/*
* Handle PLOGI first
*/
if ((fchs->type == FC_TYPE_ELS) &&
(els_cmd->els_code == FC_ELS_PLOGI)) {
bfa_fcs_lport_plogi(lport, fchs, (struct fc_logi_s *) els_cmd);
return;
}
/*
* Handle ECHO separately.
*/
if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_ECHO)) {
bfa_fcs_lport_echo(lport, fchs,
(struct fc_echo_s *)els_cmd, len);
return;
}
/*
* Handle RNID separately.
*/
if ((fchs->type == FC_TYPE_ELS) && (els_cmd->els_code == FC_ELS_RNID)) {
bfa_fcs_lport_rnid(lport, fchs,
(struct fc_rnid_cmd_s *) els_cmd, len);
return;
}
if (fchs->type == FC_TYPE_BLS) {
if ((fchs->routing == FC_RTG_BASIC_LINK) &&
(fchs->cat_info == FC_CAT_ABTS))
bfa_fcs_lport_abts_acc(lport, fchs);
return;
}
if (fchs->type == FC_TYPE_SERVICES) {
/*
* Unhandled FC-GS frames. Send a FC-CT Reject
*/
bfa_fcs_lport_send_fcgs_rjt(lport, fchs, CT_RSN_NOT_SUPP,
CT_NS_EXP_NOADDITIONAL);
return;
}
/*
* look for a matching remote port ID
*/
rport = bfa_fcs_lport_get_rport_by_pid(lport, pid);
if (rport) {
bfa_trc(rport->fcs, fchs->s_id);
bfa_trc(rport->fcs, fchs->d_id);
bfa_trc(rport->fcs, fchs->type);
bfa_fcs_rport_uf_recv(rport, fchs, len);
return;
}
/*
* Only handles ELS frames for now.
*/
if (fchs->type != FC_TYPE_ELS) {
bfa_trc(lport->fcs, fchs->s_id);
bfa_trc(lport->fcs, fchs->d_id);
/* ignore type FC_TYPE_FC_FSS */
if (fchs->type != FC_TYPE_FC_FSS)
bfa_sm_fault(lport->fcs, fchs->type);
return;
}
bfa_trc(lport->fcs, els_cmd->els_code);
if (els_cmd->els_code == FC_ELS_RSCN) {
bfa_fcs_lport_scn_process_rscn(lport, fchs, len);
return;
}
if (els_cmd->els_code == FC_ELS_LOGO) {
/*
* @todo Handle LOGO frames received.
*/
return;
}
if (els_cmd->els_code == FC_ELS_PRLI) {
/*
* @todo Handle PRLI frames received.
*/
return;
}
/*
* Unhandled ELS frames. Send a LS_RJT.
*/
bfa_fcs_lport_send_ls_rjt(lport, fchs, FC_LS_RJT_RSN_CMD_NOT_SUPP,
FC_LS_RJT_EXP_NO_ADDL_INFO);
}
/*
* PID based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pid(struct bfa_fcs_lport_s *port, u32 pid)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
if (rport->pid == pid)
return rport;
}
bfa_trc(port->fcs, pid);
return NULL;
}
/*
* OLD_PID based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_old_pid(struct bfa_fcs_lport_s *port, u32 pid)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
if (rport->old_pid == pid)
return rport;
}
bfa_trc(port->fcs, pid);
return NULL;
}
/*
* PWWN based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_pwwn(struct bfa_fcs_lport_s *port, wwn_t pwwn)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
if (wwn_is_equal(rport->pwwn, pwwn))
return rport;
}
bfa_trc(port->fcs, pwwn);
return NULL;
}
/*
* NWWN based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_nwwn(struct bfa_fcs_lport_s *port, wwn_t nwwn)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
if (wwn_is_equal(rport->nwwn, nwwn))
return rport;
}
bfa_trc(port->fcs, nwwn);
return NULL;
}
/*
* PWWN & PID based Lookup for a R-Port in the Port R-Port Queue
*/
struct bfa_fcs_rport_s *
bfa_fcs_lport_get_rport_by_qualifier(struct bfa_fcs_lport_s *port,
wwn_t pwwn, u32 pid)
{
struct bfa_fcs_rport_s *rport;
struct list_head *qe;
list_for_each(qe, &port->rport_q) {
rport = (struct bfa_fcs_rport_s *) qe;
if (wwn_is_equal(rport->pwwn, pwwn) && rport->pid == pid)
return rport;
}
bfa_trc(port->fcs, pwwn);
return NULL;
}
/*
* Called by rport module when new rports are discovered.
*/
void
bfa_fcs_lport_add_rport(
struct bfa_fcs_lport_s *port,
struct bfa_fcs_rport_s *rport)
{
list_add_tail(&rport->qe, &port->rport_q);
port->num_rports++;
}
/*
* Called by rport module to when rports are deleted.
*/
void
bfa_fcs_lport_del_rport(
struct bfa_fcs_lport_s *port,
struct bfa_fcs_rport_s *rport)
{
WARN_ON(!bfa_q_is_on_q(&port->rport_q, rport));
list_del(&rport->qe);
port->num_rports--;
bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELRPORT);
}
/*
* Called by fabric for base port when fabric login is complete.
* Called by vport for virtual ports when FDISC is complete.
*/
void
bfa_fcs_lport_online(struct bfa_fcs_lport_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_ONLINE);
}
/*
* Called by fabric for base port when fabric goes offline.
* Called by vport for virtual ports when virtual port becomes offline.
*/
void
bfa_fcs_lport_offline(struct bfa_fcs_lport_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_OFFLINE);
}
/*
* Called by fabric for base port and by vport for virtual ports
* when target mode driver is unloaded.
*/
void
bfa_fcs_lport_stop(struct bfa_fcs_lport_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_STOP);
}
/*
* Called by fabric to delete base lport and associated resources.
*
* Called by vport to delete lport and associated resources. Should call
* bfa_fcs_vport_delete_comp() for vports on completion.
*/
void
bfa_fcs_lport_delete(struct bfa_fcs_lport_s *port)
{
bfa_sm_send_event(port, BFA_FCS_PORT_SM_DELETE);
}
/*
* Return TRUE if port is online, else return FALSE
*/
bfa_boolean_t
bfa_fcs_lport_is_online(struct bfa_fcs_lport_s *port)
{
return bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online);
}
/*
* Attach time initialization of logical ports.
*/
void
bfa_fcs_lport_attach(struct bfa_fcs_lport_s *lport, struct bfa_fcs_s *fcs,
u16 vf_id, struct bfa_fcs_vport_s *vport)
{
lport->fcs = fcs;
lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
lport->vport = vport;
lport->lp_tag = (vport) ? vport->lps->bfa_tag :
lport->fabric->lps->bfa_tag;
INIT_LIST_HEAD(&lport->rport_q);
lport->num_rports = 0;
}
/*
* Logical port initialization of base or virtual port.
* Called by fabric for base port or by vport for virtual ports.
*/
void
bfa_fcs_lport_init(struct bfa_fcs_lport_s *lport,
struct bfa_lport_cfg_s *port_cfg)
{
struct bfa_fcs_vport_s *vport = lport->vport;
struct bfad_s *bfad = (struct bfad_s *)lport->fcs->bfad;
char lpwwn_buf[BFA_STRING_32];
lport->port_cfg = *port_cfg;
lport->bfad_port = bfa_fcb_lport_new(lport->fcs->bfad, lport,
lport->port_cfg.roles,
lport->fabric->vf_drv,
vport ? vport->vport_drv : NULL);
wwn2str(lpwwn_buf, bfa_fcs_lport_get_pwwn(lport));
BFA_LOG(KERN_INFO, bfad, bfa_log_level,
"New logical port created: WWN = %s Role = %s\n",
lpwwn_buf, "Initiator");
bfa_fcs_lport_aen_post(lport, BFA_LPORT_AEN_NEW);
bfa_sm_set_state(lport, bfa_fcs_lport_sm_uninit);
bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
}
void
bfa_fcs_lport_set_symname(struct bfa_fcs_lport_s *port,
char *symname)
{
strcpy(port->port_cfg.sym_name.symname, symname);
if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
bfa_fcs_lport_ns_util_send_rspn_id(
BFA_FCS_GET_NS_FROM_PORT(port), NULL);
}
/*
* fcs_lport_api
*/
void
bfa_fcs_lport_get_attr(
struct bfa_fcs_lport_s *port,
struct bfa_lport_attr_s *port_attr)
{
if (bfa_sm_cmp_state(port, bfa_fcs_lport_sm_online))
port_attr->pid = port->pid;
else
port_attr->pid = 0;
port_attr->port_cfg = port->port_cfg;
if (port->fabric) {
port_attr->port_type = port->fabric->oper_type;
port_attr->loopback = bfa_sm_cmp_state(port->fabric,
bfa_fcs_fabric_sm_loopback);
port_attr->authfail =
bfa_sm_cmp_state(port->fabric,
bfa_fcs_fabric_sm_auth_failed);
port_attr->fabric_name = bfa_fcs_lport_get_fabric_name(port);
memcpy(port_attr->fabric_ip_addr,
bfa_fcs_lport_get_fabric_ipaddr(port),
BFA_FCS_FABRIC_IPADDR_SZ);
if (port->vport != NULL) {
port_attr->port_type = BFA_PORT_TYPE_VPORT;
port_attr->fpma_mac =
port->vport->lps->lp_mac;
} else {
port_attr->fpma_mac =
port->fabric->lps->lp_mac;
}
} else {
port_attr->port_type = BFA_PORT_TYPE_UNKNOWN;
port_attr->state = BFA_LPORT_UNINIT;
}
}
/*
* bfa_fcs_lport_fab port fab functions
*/
/*
* Called by port to initialize fabric services of the base port.
*/
static void
bfa_fcs_lport_fab_init(struct bfa_fcs_lport_s *port)
{
bfa_fcs_lport_ns_init(port);
bfa_fcs_lport_scn_init(port);
bfa_fcs_lport_ms_init(port);
}
/*
* Called by port to notify transition to online state.
*/
static void
bfa_fcs_lport_fab_online(struct bfa_fcs_lport_s *port)
{
bfa_fcs_lport_ns_online(port);
bfa_fcs_lport_fab_scn_online(port);
}
/*
* Called by port to notify transition to offline state.
*/
static void
bfa_fcs_lport_fab_offline(struct bfa_fcs_lport_s *port)
{
bfa_fcs_lport_ns_offline(port);
bfa_fcs_lport_scn_offline(port);
bfa_fcs_lport_ms_offline(port);
}
/*
* bfa_fcs_lport_n2n functions
*/
/*
* Called by fcs/port to initialize N2N topology.
*/
static void
bfa_fcs_lport_n2n_init(struct bfa_fcs_lport_s *port)
{
}
/*
* Called by fcs/port to notify transition to online state.
*/
static void
bfa_fcs_lport_n2n_online(struct bfa_fcs_lport_s *port)
{
struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
struct bfa_lport_cfg_s *pcfg = &port->port_cfg;
struct bfa_fcs_rport_s *rport;
bfa_trc(port->fcs, pcfg->pwwn);
/*
* If our PWWN is > than that of the r-port, we have to initiate PLOGI
* and assign an Address. if not, we need to wait for its PLOGI.
*
* If our PWWN is < than that of the remote port, it will send a PLOGI
* with the PIDs assigned. The rport state machine take care of this
* incoming PLOGI.
*/
if (memcmp
((void *)&pcfg->pwwn, (void *)&n2n_port->rem_port_wwn,
sizeof(wwn_t)) > 0) {
port->pid = N2N_LOCAL_PID;
bfa_lps_set_n2n_pid(port->fabric->lps, N2N_LOCAL_PID);
/*
* First, check if we know the device by pwwn.
*/
rport = bfa_fcs_lport_get_rport_by_pwwn(port,
n2n_port->rem_port_wwn);
if (rport) {
bfa_trc(port->fcs, rport->pid);
bfa_trc(port->fcs, rport->pwwn);
rport->pid = N2N_REMOTE_PID;
bfa_sm_send_event(rport, RPSM_EVENT_PLOGI_SEND);
return;
}
/*
* In n2n there can be only one rport. Delete the old one
* whose pid should be zero, because it is offline.
*/
if (port->num_rports > 0) {
rport = bfa_fcs_lport_get_rport_by_pid(port, 0);
WARN_ON(rport == NULL);
if (rport) {
bfa_trc(port->fcs, rport->pwwn);
bfa_sm_send_event(rport, RPSM_EVENT_DELETE);
}
}
bfa_fcs_rport_create(port, N2N_REMOTE_PID);
}
}
/*
* Called by fcs/port to notify transition to offline state.
*/
static void
bfa_fcs_lport_n2n_offline(struct bfa_fcs_lport_s *port)
{
struct bfa_fcs_lport_n2n_s *n2n_port = &port->port_topo.pn2n;
bfa_trc(port->fcs, port->pid);
port->pid = 0;
n2n_port->rem_port_wwn = 0;
n2n_port->reply_oxid = 0;
}
void
bfa_fcport_get_loop_attr(struct bfa_fcs_lport_s *port)
{
int i = 0, j = 0, bit = 0, alpa_bit = 0;
u8 k = 0;
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(port->fcs->bfa);
port->port_topo.ploop.alpabm_valid = fcport->alpabm_valid;
port->pid = fcport->myalpa;
port->pid = bfa_hton3b(port->pid);
for (i = 0; i < (FC_ALPA_MAX / 8); i++) {
for (j = 0, alpa_bit = 0; j < 8; j++, alpa_bit++) {
bfa_trc(port->fcs->bfa, fcport->alpabm.alpa_bm[i]);
bit = (fcport->alpabm.alpa_bm[i] & (1 << (7 - j)));
if (bit) {
port->port_topo.ploop.alpa_pos_map[k] =
loop_alpa_map[(i * 8) + alpa_bit];
k++;
bfa_trc(port->fcs->bfa, k);
bfa_trc(port->fcs->bfa,
port->port_topo.ploop.alpa_pos_map[k]);
}
}
}
port->port_topo.ploop.num_alpa = k;
}
/*
* Called by fcs/port to initialize Loop topology.
*/
static void
bfa_fcs_lport_loop_init(struct bfa_fcs_lport_s *port)
{
}
/*
* Called by fcs/port to notify transition to online state.
*/
static void
bfa_fcs_lport_loop_online(struct bfa_fcs_lport_s *port)
{
u8 num_alpa = 0, alpabm_valid = 0;
struct bfa_fcs_rport_s *rport;
u8 *alpa_map = NULL;
int i = 0;
u32 pid;
bfa_fcport_get_loop_attr(port);
num_alpa = port->port_topo.ploop.num_alpa;
alpabm_valid = port->port_topo.ploop.alpabm_valid;
alpa_map = port->port_topo.ploop.alpa_pos_map;
bfa_trc(port->fcs->bfa, port->pid);
bfa_trc(port->fcs->bfa, num_alpa);
if (alpabm_valid == 1) {
for (i = 0; i < num_alpa; i++) {
bfa_trc(port->fcs->bfa, alpa_map[i]);
if (alpa_map[i] != bfa_hton3b(port->pid)) {
pid = alpa_map[i];
bfa_trc(port->fcs->bfa, pid);
rport = bfa_fcs_lport_get_rport_by_pid(port,
bfa_hton3b(pid));
if (!rport)
rport = bfa_fcs_rport_create(port,
bfa_hton3b(pid));
}
}
} else {
for (i = 0; i < MAX_ALPA_COUNT; i++) {
if (alpa_map[i] != port->pid) {
pid = loop_alpa_map[i];
bfa_trc(port->fcs->bfa, pid);
rport = bfa_fcs_lport_get_rport_by_pid(port,
bfa_hton3b(pid));
if (!rport)
rport = bfa_fcs_rport_create(port,
bfa_hton3b(pid));
}
}
}
}
/*
* Called by fcs/port to notify transition to offline state.
*/
static void
bfa_fcs_lport_loop_offline(struct bfa_fcs_lport_s *port)
{
}
#define BFA_FCS_FDMI_CMD_MAX_RETRIES 2
/*
* forward declarations
*/
static void bfa_fcs_lport_fdmi_send_rhba(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_fdmi_send_rprt(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_fdmi_send_rpa(void *fdmi_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_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_lport_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_lport_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_lport_fdmi_timeout(void *arg);
static u16 bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi,
u8 *pyld);
static u16 bfa_fcs_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_fdmi_s *
fdmi, u8 *pyld);
static void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_hba_attr_s *hba_attr);
static void bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_port_attr_s *port_attr);
u32 bfa_fcs_fdmi_convert_speed(enum bfa_port_speed pport_speed);
/*
* 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_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_sending_rhba(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rhba_retry(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_sending_rprt(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rprt_retry(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_sending_rpa(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_rpa_retry(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
static void bfa_fcs_lport_fdmi_sm_disabled(
struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event);
/*
* Start in offline state - awaiting MS to send start.
*/
static void
bfa_fcs_lport_fdmi_sm_offline(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_sending_rprt);
bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
} else {
/*
* For a base port, we should first register the HBA
* attribute. The HBA attribute also contains the base
* port registration.
*/
bfa_sm_set_state(fdmi,
bfa_fcs_lport_fdmi_sm_sending_rhba);
bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
}
break;
case FDMISM_EVENT_PORT_OFFLINE:
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_fdmi_sm_sending_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rhba);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_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_lport_fdmi_sm_rhba(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rhba_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer,
bfa_fcs_lport_fdmi_timeout, fdmi,
BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
}
break;
case FDMISM_EVENT_RSP_OK:
/*
* Initiate Register Port Attributes
*/
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_sending_rpa);
fdmi->retry_cnt = 0;
bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_fdmi_sm_rhba_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_sending_rhba);
bfa_fcs_lport_fdmi_send_rhba(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* RPRT : Register Port
*/
static void
bfa_fcs_lport_fdmi_sm_sending_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rprt);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_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_lport_fdmi_sm_rprt(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rprt_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer,
bfa_fcs_lport_fdmi_timeout, fdmi,
BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
fdmi->retry_cnt = 0;
}
break;
case FDMISM_EVENT_RSP_OK:
fdmi->retry_cnt = 0;
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_online);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_fcxp_discard(fdmi->fcxp);
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_fdmi_sm_rprt_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_sending_rprt);
bfa_fcs_lport_fdmi_send_rprt(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* Register Port Attributes
*/
static void
bfa_fcs_lport_fdmi_sm_sending_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rpa);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_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_lport_fdmi_sm_rpa(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_rpa_retry);
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(port),
&fdmi->timer,
bfa_fcs_lport_fdmi_timeout, fdmi,
BFA_FCS_RETRY_TIMEOUT);
} else {
/*
* set state to offline
*/
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
fdmi->retry_cnt = 0;
}
break;
case FDMISM_EVENT_RSP_OK:
bfa_sm_set_state(fdmi, bfa_fcs_lport_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_lport_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_fdmi_sm_rpa_retry(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_sending_rpa);
bfa_fcs_lport_fdmi_send_rpa(fdmi, NULL);
break;
case FDMISM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
bfa_timer_stop(&fdmi->timer);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
static void
bfa_fcs_lport_fdmi_sm_online(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_sm_offline);
break;
default:
bfa_sm_fault(port->fcs, event);
}
}
/*
* FDMI is disabled state.
*/
static void
bfa_fcs_lport_fdmi_sm_disabled(struct bfa_fcs_lport_fdmi_s *fdmi,
enum port_fdmi_event event)
{
struct bfa_fcs_lport_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_lport_fdmi_send_rhba(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_lport_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, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_lport_fdmi_send_rhba, fdmi, BFA_TRUE);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
FDMI_RHBA);
attr_len =
bfa_fcs_lport_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_lport_fdmi_rhba_response, (void *)fdmi,
FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RHBA_SENT);
}
static u16
bfa_fcs_lport_fdmi_build_rhba_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct bfa_fcs_fdmi_hba_attr_s hba_attr;
struct bfa_fcs_fdmi_hba_attr_s *fcs_hba_attr = &hba_attr;
struct fdmi_rhba_s *rhba = (struct fdmi_rhba_s *) pyld;
struct fdmi_attr_s *attr;
u8 *curr_ptr;
u16 len, count;
u16 templen;
/*
* get hba attributes
*/
bfa_fcs_fdmi_get_hbaattr(fdmi, fcs_hba_attr);
rhba->hba_id = bfa_fcs_lport_get_pwwn(port);
rhba->port_list.num_ports = cpu_to_be32(1);
rhba->port_list.port_entry = bfa_fcs_lport_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 = cpu_to_be16(FDMI_HBA_ATTRIB_NODENAME);
templen = sizeof(wwn_t);
memcpy(attr->value, &bfa_fcs_lport_get_nwwn(port), templen);
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Manufacturer
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MANUFACTURER);
templen = (u16) strlen(fcs_hba_attr->manufacturer);
memcpy(attr->value, fcs_hba_attr->manufacturer, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Serial Number
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_SERIALNUM);
templen = (u16) strlen(fcs_hba_attr->serial_num);
memcpy(attr->value, fcs_hba_attr->serial_num, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Model
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL);
templen = (u16) strlen(fcs_hba_attr->model);
memcpy(attr->value, fcs_hba_attr->model, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Model Desc
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MODEL_DESC);
templen = (u16) strlen(fcs_hba_attr->model_desc);
memcpy(attr->value, fcs_hba_attr->model_desc, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* H/W Version
*/
if (fcs_hba_attr->hw_version[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_HW_VERSION);
templen = (u16) strlen(fcs_hba_attr->hw_version);
memcpy(attr->value, fcs_hba_attr->hw_version, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
/*
* Driver Version
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_DRIVER_VERSION);
templen = (u16) strlen(fcs_hba_attr->driver_version);
memcpy(attr->value, fcs_hba_attr->driver_version, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Option Rom Version
*/
if (fcs_hba_attr->option_rom_ver[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_ROM_VERSION);
templen = (u16) strlen(fcs_hba_attr->option_rom_ver);
memcpy(attr->value, fcs_hba_attr->option_rom_ver, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FW_VERSION);
templen = (u16) strlen(fcs_hba_attr->fw_version);
memcpy(attr->value, fcs_hba_attr->fw_version, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* OS Name
*/
if (fcs_hba_attr->os_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_OS_NAME);
templen = (u16) strlen(fcs_hba_attr->os_name);
memcpy(attr->value, fcs_hba_attr->os_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
/*
* MAX_CT_PAYLOAD
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_MAX_CT);
templen = sizeof(fcs_hba_attr->max_ct_pyld);
memcpy(attr->value, &fcs_hba_attr->max_ct_pyld, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Send extended attributes ( FOS 7.1 support )
*/
if (fdmi->retry_cnt == 0) {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NODE_SYM_NAME);
templen = sizeof(fcs_hba_attr->node_sym_name);
memcpy(attr->value, &fcs_hba_attr->node_sym_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_VENDOR_ID);
templen = sizeof(fcs_hba_attr->vendor_info);
memcpy(attr->value, &fcs_hba_attr->vendor_info, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_NUM_PORTS);
templen = sizeof(fcs_hba_attr->num_ports);
memcpy(attr->value, &fcs_hba_attr->num_ports, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_FABRIC_NAME);
templen = sizeof(fcs_hba_attr->fabric_name);
memcpy(attr->value, &fcs_hba_attr->fabric_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_HBA_ATTRIB_BIOS_VER);
templen = sizeof(fcs_hba_attr->bios_ver);
memcpy(attr->value, &fcs_hba_attr->bios_ver, templen);
templen = fc_roundup(attr->len, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
count++;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
/*
* Update size of payload
*/
len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
rhba->hba_attr_blk.attr_count = cpu_to_be32(count);
return len;
}
static void
bfa_fcs_lport_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_lport_fdmi_s *fdmi =
(struct bfa_fcs_lport_fdmi_s *) cbarg;
struct bfa_fcs_lport_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 = be16_to_cpu(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_lport_fdmi_send_rprt(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_lport_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, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_lport_fdmi_send_rprt, fdmi, BFA_TRUE);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
FDMI_RPRT);
attr_len =
bfa_fcs_lport_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_lport_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_lport_fdmi_build_portattr_block(struct bfa_fcs_lport_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;
u16 templen;
/*
* 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 = cpu_to_be16(FDMI_PORT_ATTRIB_FC4_TYPES);
templen = sizeof(fcs_port_attr.supp_fc4_types);
memcpy(attr->value, fcs_port_attr.supp_fc4_types, templen);
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len =
cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* Supported Speed
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_SPEED);
templen = sizeof(fcs_port_attr.supp_speed);
memcpy(attr->value, &fcs_port_attr.supp_speed, templen);
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len =
cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* current Port Speed
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SPEED);
templen = sizeof(fcs_port_attr.curr_speed);
memcpy(attr->value, &fcs_port_attr.curr_speed, templen);
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* max frame size
*/
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_FRAME_SIZE);
templen = sizeof(fcs_port_attr.max_frm_size);
memcpy(attr->value, &fcs_port_attr.max_frm_size, templen);
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
/*
* OS Device Name
*/
if (fcs_port_attr.os_device_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_DEV_NAME);
templen = (u16) strlen(fcs_port_attr.os_device_name);
memcpy(attr->value, fcs_port_attr.os_device_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
/*
* Host Name
*/
if (fcs_port_attr.host_name[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_HOST_NAME);
templen = (u16) strlen(fcs_port_attr.host_name);
memcpy(attr->value, fcs_port_attr.host_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
if (fdmi->retry_cnt == 0) {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_NODE_NAME);
templen = sizeof(fcs_port_attr.node_name);
memcpy(attr->value, &fcs_port_attr.node_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NAME);
templen = sizeof(fcs_port_attr.port_name);
memcpy(attr->value, &fcs_port_attr.port_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(attr->len) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
if (fcs_port_attr.port_sym_name.symname[0] != '\0') {
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type =
cpu_to_be16(FDMI_PORT_ATTRIB_PORT_SYM_NAME);
templen = sizeof(fcs_port_attr.port_sym_name);
memcpy(attr->value,
&fcs_port_attr.port_sym_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) +
sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen +
sizeof(attr->type) + sizeof(templen));
}
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_TYPE);
templen = sizeof(fcs_port_attr.port_type);
memcpy(attr->value, &fcs_port_attr.port_type, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_SUPP_COS);
templen = sizeof(fcs_port_attr.scos);
memcpy(attr->value, &fcs_port_attr.scos, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FAB_NAME);
templen = sizeof(fcs_port_attr.port_fabric_name);
memcpy(attr->value, &fcs_port_attr.port_fabric_name, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_FC4_TYPE);
templen = sizeof(fcs_port_attr.port_act_fc4_type);
memcpy(attr->value, fcs_port_attr.port_act_fc4_type,
templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_STATE);
templen = sizeof(fcs_port_attr.port_state);
memcpy(attr->value, &fcs_port_attr.port_state, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
attr = (struct fdmi_attr_s *) curr_ptr;
attr->type = cpu_to_be16(FDMI_PORT_ATTRIB_PORT_NUM_RPRT);
templen = sizeof(fcs_port_attr.num_ports);
memcpy(attr->value, &fcs_port_attr.num_ports, templen);
templen = fc_roundup(templen, sizeof(u32));
curr_ptr += sizeof(attr->type) + sizeof(templen) + templen;
len += templen;
++count;
attr->len = cpu_to_be16(templen + sizeof(attr->type) +
sizeof(templen));
}
/*
* Update size of payload
*/
port_attrib->attr_count = cpu_to_be32(count);
len += ((sizeof(attr->type) + sizeof(attr->len)) * count);
return len;
}
static u16
bfa_fcs_lport_fdmi_build_rprt_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct fdmi_rprt_s *rprt = (struct fdmi_rprt_s *) pyld;
u16 len;
rprt->hba_id = bfa_fcs_lport_get_pwwn(bfa_fcs_get_base_port(port->fcs));
rprt->port_name = bfa_fcs_lport_get_pwwn(port);
len = bfa_fcs_lport_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_lport_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_lport_fdmi_s *fdmi =
(struct bfa_fcs_lport_fdmi_s *) cbarg;
struct bfa_fcs_lport_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 = be16_to_cpu(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_lport_fdmi_send_rpa(void *fdmi_cbarg, struct bfa_fcxp_s *fcxp_alloced)
{
struct bfa_fcs_lport_fdmi_s *fdmi = fdmi_cbarg;
struct bfa_fcs_lport_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, BFA_TRUE);
if (!fcxp) {
bfa_fcs_fcxp_alloc_wait(port->fcs->bfa, &fdmi->fcxp_wqe,
bfa_fcs_lport_fdmi_send_rpa, fdmi, BFA_TRUE);
return;
}
fdmi->fcxp = fcxp;
pyld = bfa_fcxp_get_reqbuf(fcxp);
memset(pyld, 0, FC_MAX_PDUSZ);
len = fc_fdmi_reqhdr_build(&fchs, pyld, bfa_fcs_lport_get_fcid(port),
FDMI_RPA);
attr_len = bfa_fcs_lport_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_lport_fdmi_rpa_response, (void *)fdmi,
FC_MAX_PDUSZ, FC_FCCT_TOV);
bfa_sm_send_event(fdmi, FDMISM_EVENT_RPA_SENT);
}
static u16
bfa_fcs_lport_fdmi_build_rpa_pyld(struct bfa_fcs_lport_fdmi_s *fdmi, u8 *pyld)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct fdmi_rpa_s *rpa = (struct fdmi_rpa_s *) pyld;
u16 len;
rpa->port_name = bfa_fcs_lport_get_pwwn(port);
len = bfa_fcs_lport_fdmi_build_portattr_block(fdmi,
(u8 *) &rpa->port_attr_blk);
len += sizeof(rpa->port_name);
return len;
}
static void
bfa_fcs_lport_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_lport_fdmi_s *fdmi =
(struct bfa_fcs_lport_fdmi_s *) cbarg;
struct bfa_fcs_lport_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 = be16_to_cpu(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_lport_fdmi_timeout(void *arg)
{
struct bfa_fcs_lport_fdmi_s *fdmi = (struct bfa_fcs_lport_fdmi_s *) arg;
bfa_sm_send_event(fdmi, FDMISM_EVENT_TIMEOUT);
}
static void
bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_hba_attr_s *hba_attr)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
struct bfa_fcs_fdmi_port_attr_s fcs_port_attr;
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));
}
/* Retrieve the max frame size from the port attr */
bfa_fcs_fdmi_get_portattr(fdmi, &fcs_port_attr);
hba_attr->max_ct_pyld = fcs_port_attr.max_frm_size;
strncpy(hba_attr->node_sym_name.symname,
port->port_cfg.node_sym_name.symname, BFA_SYMNAME_MAXLEN);
strcpy(hba_attr->vendor_info, "BROCADE");
hba_attr->num_ports =
cpu_to_be32(bfa_ioc_get_nports(&port->fcs->bfa->ioc));
hba_attr->fabric_name = port->fabric->lps->pr_nwwn;
strncpy(hba_attr->bios_ver, hba_attr->option_rom_ver, BFA_VERSION_LEN);
}
static void
bfa_fcs_fdmi_get_portattr(struct bfa_fcs_lport_fdmi_s *fdmi,
struct bfa_fcs_fdmi_port_attr_s *port_attr)
{
struct bfa_fcs_lport_s *port = fdmi->ms->port;
struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
struct bfa_port_attr_s pport_attr;
struct bfa_lport_attr_s lport_attr;
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
*/
switch (pport_attr.speed_supported) {
case BFA_PORT_SPEED_16GBPS:
port_attr->supp_speed =
cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_16G);
break;
case BFA_PORT_SPEED_10GBPS:
port_attr->supp_speed =
cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_10G);
break;
case BFA_PORT_SPEED_8GBPS:
port_attr->supp_speed =
cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_8G);
break;
case BFA_PORT_SPEED_4GBPS:
port_attr->supp_speed =
cpu_to_be32(BFA_FCS_FDMI_SUPP_SPEEDS_4G);
break;
default:
bfa_sm_fault(port->fcs, pport_attr.speed_supported);
}
/*
* Current Speed
*/
port_attr->curr_speed = cpu_to_be32(
bfa_fcs_fdmi_convert_speed(pport_attr.speed));
/*
* Max PDU Size.
*/
port_attr->max_frm_size = cpu_to_be32(pport_attr.pport_cfg.maxfrsize);
/*
* 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));
port_attr->node_name = bfa_fcs_lport_get_nwwn(port);
port_attr->port_name = bfa_fcs_lport_get_pwwn(port);
strncpy(port_attr->port_sym_name.symname,
(char *)&bfa_fcs_lport_get_psym_name(port), BFA_SYMNAME_MAXLEN);
bfa_fcs_lport_get_attr(port, &lport_attr);
port_attr->port_type = cpu_to_be32(lport_attr.port_type);
port_attr->scos = pport_attr.cos_supported;
port_attr->port_fabric_name = port->fabric->lps->pr_nwwn;
fc_get_fc4type_bitmask(FC_TYPE_FCP, port_attr->port_act_fc4_type);
port_attr->port_state = cpu_to_be32(pport_attr.port_state);
port_attr->num_ports = cpu_to_be32(port->num_rports);
}
/*
* Convert BFA speed to FDMI format.
*/
u32
bfa_fcs_fdmi_convert_speed(bfa_port_speed_t pport_speed)
{
u32 ret;
switch (pport_speed) {
case BFA_PORT_SPEED_1GBPS:
case BFA_PORT_SPEED_2GBPS:
ret = pport_speed;
break;
case BFA_PORT_SPEED_4GBPS:
ret = FDMI_TRANS_SPEED_4G;
break;
case BFA_PORT_SPEED_8GBPS:
ret = FDMI_TRANS_SPEED_8G;
break;
case BFA_PORT_SPEED_10GBPS:
ret = FDMI_TRANS_SPEED_10G;
break;
case BFA_PORT_SPEED_16GBPS:
ret = FDMI_TRANS_SPEED_16G;
break;
default:
ret = FDMI_TRANS_SPEED_UNKNOWN;
}
return ret;
}
void
bfa_fcs_lport_fdmi_init(struct bfa_fcs_lport_ms_s *ms)
{
struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
if (ms->port->fcs->fdmi_enabled)
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_offline);
else
bfa_sm_set_state(fdmi, bfa_fcs_lport_fdmi_sm_disabled);
}
void
bfa_fcs_lport_fdmi_offline(struct bfa_fcs_lport_ms_s *ms)
{
struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_OFFLINE);
}
void
bfa_fcs_lport_fdmi_online(struct bfa_fcs_lport_ms_s *ms)
{
struct bfa_fcs_lport_fdmi_s *fdmi = &ms->fdmi;
fdmi->ms = ms;
bfa_sm_send_event(fdmi, FDMISM_EVENT_PORT_ONLINE);
}
#define BFA_FCS_MS_CMD_MAX_RETRIES 2
/*
* forward declarations
*/
static void bfa_fcs_lport_ms_send_plogi(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_ms_timeout(void *arg);
static void bfa_fcs_lport_ms_plogi_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_lport_ms_send_gmal(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_ms_gmal_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_lport_ms_send_gfn(void *ms_cbarg,
struct bfa_fcxp_s *fcxp_alloced);
static void bfa_fcs_lport_ms_gfn_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);
/*
* fcs_ms_sm FCS MS state machine
*/
/*
* MS State Machine events
*/
enum port_ms_event {
MSSM_EVENT_PORT_ONLINE = 1,
MSSM_EVENT_PORT_OFFLINE = 2,
MSSM_EVENT_RSP_OK = 3,
MSSM_EVENT_RSP_ERROR = 4,
MSSM_EVENT_TIMEOUT = 5,
MSSM_EVENT_FCXP_SENT = 6,
MSSM_EVENT_PORT_FABRIC_RSCN = 7
};
static void bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gmal(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gmal_retry(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gfn_sending(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gfn(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_gfn_retry(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
static void bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event);
/*
* Start in offline state - awaiting NS to send start.
*/
static void
bfa_fcs_lport_ms_sm_offline(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_PORT_ONLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
bfa_fcs_lport_ms_send_plogi(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_lport_ms_sm_plogi_sending(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_FCXP_SENT:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->fcxp_wqe);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_lport_ms_sm_plogi(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_RSP_ERROR:
/*
* Start timer for a delayed retry
*/
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_retry);
ms->port->stats.ms_retries++;
bfa_timer_start(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->timer, bfa_fcs_lport_ms_timeout, ms,
BFA_FCS_RETRY_TIMEOUT);
break;
case MSSM_EVENT_RSP_OK:
/*
* since plogi is done, now invoke MS related sub-modules
*/
bfa_fcs_lport_fdmi_online(ms);
/*
* if this is a Vport, go to online state.
*/
if (ms->port->vport) {
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_online);
break;
}
/*
* For a base port we need to get the
* switch's IP address.
*/
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal_sending);
bfa_fcs_lport_ms_send_gmal(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
bfa_fcxp_discard(ms->fcxp);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_lport_ms_sm_plogi_retry(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_TIMEOUT:
/*
* Retry Timer Expired. Re-send
*/
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_plogi_sending);
bfa_fcs_lport_ms_send_plogi(ms, NULL);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
bfa_timer_stop(&ms->timer);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_lport_ms_sm_online(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
break;
case MSSM_EVENT_PORT_FABRIC_RSCN:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gfn_sending);
ms->retry_cnt = 0;
bfa_fcs_lport_ms_send_gfn(ms, NULL);
break;
default:
bfa_sm_fault(ms->port->fcs, event);
}
}
static void
bfa_fcs_lport_ms_sm_gmal_sending(struct bfa_fcs_lport_ms_s *ms,
enum port_ms_event event)
{
bfa_trc(ms->port->fcs, ms->port->port_cfg.pwwn);
bfa_trc(ms->port->fcs, event);
switch (event) {
case MSSM_EVENT_FCXP_SENT:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_gmal);
break;
case MSSM_EVENT_PORT_OFFLINE:
bfa_sm_set_state(ms, bfa_fcs_lport_ms_sm_offline);
bfa_fcxp_walloc_cancel(BFA_FCS_GET_HAL_FROM_PORT(ms->port),
&ms->fcxp_wqe);
break;
default:
bfa_sm_fault(ms->port->fcs, event);