diff options
Diffstat (limited to 'drivers/scsi/bfa/fdmi.c')
| -rw-r--r-- | drivers/scsi/bfa/fdmi.c | 1223 |
1 files changed, 1223 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/fdmi.c b/drivers/scsi/bfa/fdmi.c new file mode 100644 index 0000000..b845eb2 --- /dev/null +++ b/drivers/scsi/bfa/fdmi.c @@ -0,0 +1,1223 @@ +/* + * 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); +void bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi, + struct bfa_fcs_fdmi_hba_attr_s *hba_attr); +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); +/** + * 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_assert(0); + } +} + +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_assert(0); + } +} + +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_assert(0); + } +} + +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_assert(0); + } +} + +/* +* 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_assert(0); + } +} + +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_assert(0); + } +} + +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_assert(0); + } +} + +/* + * 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_assert(0); + } +} + +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_assert(0); + } +} + +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_assert(0); + } +} + +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_assert(0); + } +} + + +/** +* 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_RA_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_RA_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_RA_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); +} + +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; + struct bfa_adapter_attr_s adapter_attr; + + bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s)); + bfa_os_memset(&adapter_attr, 0, sizeof(struct bfa_adapter_attr_s)); + + bfa_ioc_get_adapter_attr(&port->fcs->bfa->ioc, &adapter_attr); + + strncpy(hba_attr->manufacturer, adapter_attr.manufacturer, + sizeof(adapter_attr.manufacturer)); + + strncpy(hba_attr->serial_num, adapter_attr.serial_num, + sizeof(adapter_attr.serial_num)); + + strncpy(hba_attr->model, adapter_attr.model, sizeof(hba_attr->model)); + + strncpy(hba_attr->model_desc, adapter_attr.model_descr, + sizeof(hba_attr->model_desc)); + + strncpy(hba_attr->hw_version, adapter_attr.hw_ver, + sizeof(hba_attr->hw_version)); + + strncpy(hba_attr->driver_version, (char *)driver_info->version, + sizeof(hba_attr->driver_version)); + + strncpy(hba_attr->option_rom_ver, adapter_attr.optrom_ver, + sizeof(hba_attr->option_rom_ver)); + + strncpy(hba_attr->fw_version, adapter_attr.fw_ver, + sizeof(hba_attr->fw_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); + +} + +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_pport_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; + bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline); +} + +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); +} |
