/* * 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. */ #ifndef __BFI_MS_H__ #define __BFI_MS_H__ #include "bfi.h" #include "bfa_fc.h" #include "bfa_defs_svc.h" #pragma pack(1) enum bfi_iocfc_h2i_msgs { BFI_IOCFC_H2I_CFG_REQ = 1, BFI_IOCFC_H2I_SET_INTR_REQ = 2, BFI_IOCFC_H2I_UPDATEQ_REQ = 3, BFI_IOCFC_H2I_FAA_QUERY_REQ = 4, BFI_IOCFC_H2I_ADDR_REQ = 5, }; enum bfi_iocfc_i2h_msgs { BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1), BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3), BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4), BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5), }; struct bfi_iocfc_cfg_s { u8 num_cqs; /* Number of CQs to be used */ u8 sense_buf_len; /* SCSI sense length */ u16 rsvd_1; u32 endian_sig; /* endian signature of host */ u8 rsvd_2; u8 single_msix_vec; u8 rsvd[2]; __be16 num_ioim_reqs; __be16 num_fwtio_reqs; /* * Request and response circular queue base addresses, size and * shadow index pointers. */ union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS]; union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS]; __be16 req_cq_elems[BFI_IOC_MAX_CQS]; union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS]; union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS]; __be16 rsp_cq_elems[BFI_IOC_MAX_CQS]; union bfi_addr_u stats_addr; /* DMA-able address for stats */ union bfi_addr_u cfgrsp_addr; /* config response dma address */ union bfi_addr_u ioim_snsbase[BFI_IOIM_SNSBUF_SEGS]; /* IO sense buf base addr segments */ struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */ }; /* * Boot target wwn information for this port. This contains either the stored * or discovered boot target port wwns for the port. */ struct bfi_iocfc_bootwwns { wwn_t wwn[BFA_BOOT_BOOTLUN_MAX]; u8 nwwns; u8 rsvd[7]; }; /** * Queue configuration response from firmware */ struct bfi_iocfc_qreg_s { u32 cpe_q_ci_off[BFI_IOC_MAX_CQS]; u32 cpe_q_pi_off[BFI_IOC_MAX_CQS]; u32 cpe_qctl_off[BFI_IOC_MAX_CQS]; u32 rme_q_ci_off[BFI_IOC_MAX_CQS]; u32 rme_q_pi_off[BFI_IOC_MAX_CQS]; u32 rme_qctl_off[BFI_IOC_MAX_CQS]; u8 hw_qid[BFI_IOC_MAX_CQS]; }; struct bfi_iocfc_cfgrsp_s { struct bfa_iocfc_fwcfg_s fwcfg; struct bfa_iocfc_intr_attr_s intr_attr; struct bfi_iocfc_bootwwns bootwwns; struct bfi_pbc_s pbc_cfg; struct bfi_iocfc_qreg_s qreg; }; /* * BFI_IOCFC_H2I_CFG_REQ message */ struct bfi_iocfc_cfg_req_s { struct bfi_mhdr_s mh; union bfi_addr_u ioc_cfg_dma_addr; }; /* * BFI_IOCFC_I2H_CFG_REPLY message */ struct bfi_iocfc_cfg_reply_s { struct bfi_mhdr_s mh; /* Common msg header */ u8 cfg_success; /* cfg reply status */ u8 lpu_bm; /* LPUs assigned for this IOC */ u8 rsvd[2]; }; /* * BFI_IOCFC_H2I_SET_INTR_REQ message */ struct bfi_iocfc_set_intr_req_s { struct bfi_mhdr_s mh; /* common msg header */ u8 coalesce; /* enable intr coalescing */ u8 rsvd[3]; __be16 delay; /* delay timer 0..1125us */ __be16 latency; /* latency timer 0..225us */ }; /* * BFI_IOCFC_H2I_UPDATEQ_REQ message */ struct bfi_iocfc_updateq_req_s { struct bfi_mhdr_s mh; /* common msg header */ u32 reqq_ba; /* reqq base addr */ u32 rspq_ba; /* rspq base addr */ u32 reqq_sci; /* reqq shadow ci */ u32 rspq_spi; /* rspq shadow pi */ }; /* * BFI_IOCFC_I2H_UPDATEQ_RSP message */ struct bfi_iocfc_updateq_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 status; /* updateq status */ u8 rsvd[3]; }; /* * H2I Messages */ union bfi_iocfc_h2i_msg_u { struct bfi_mhdr_s mh; struct bfi_iocfc_cfg_req_s cfg_req; struct bfi_iocfc_updateq_req_s updateq_req; u32 mboxmsg[BFI_IOC_MSGSZ]; }; /* * I2H Messages */ union bfi_iocfc_i2h_msg_u { struct bfi_mhdr_s mh; struct bfi_iocfc_cfg_reply_s cfg_reply; struct bfi_iocfc_updateq_rsp_s updateq_rsp; u32 mboxmsg[BFI_IOC_MSGSZ]; }; /* * BFI_IOCFC_H2I_FAA_ENABLE_REQ BFI_IOCFC_H2I_FAA_DISABLE_REQ message */ struct bfi_faa_en_dis_s { struct bfi_mhdr_s mh; /* common msg header */ }; struct bfi_faa_addr_msg_s { struct bfi_mhdr_s mh; /* common msg header */ u8 rsvd[4]; wwn_t pwwn; /* Fabric acquired PWWN */ wwn_t nwwn; /* Fabric acquired PWWN */ }; /* * BFI_IOCFC_H2I_FAA_QUERY_REQ message */ struct bfi_faa_query_s { struct bfi_mhdr_s mh; /* common msg header */ u8 faa_status; /* FAA status */ u8 addr_source; /* PWWN source */ u8 rsvd[2]; wwn_t faa; /* Fabric acquired PWWN */ }; /* * BFI_IOCFC_I2H_FAA_ENABLE_RSP, BFI_IOCFC_I2H_FAA_DISABLE_RSP message */ struct bfi_faa_en_dis_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 status; /* updateq status */ u8 rsvd[3]; }; /* * BFI_IOCFC_I2H_FAA_QUERY_RSP message */ #define bfi_faa_query_rsp_t struct bfi_faa_query_s enum bfi_fcport_h2i { BFI_FCPORT_H2I_ENABLE_REQ = (1), BFI_FCPORT_H2I_DISABLE_REQ = (2), BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3), BFI_FCPORT_H2I_STATS_GET_REQ = (4), BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5), }; enum bfi_fcport_i2h { BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1), BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2), BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3), BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4), BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5), BFI_FCPORT_I2H_EVENT = BFA_I2HM(6), BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7), BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8), BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9), }; /* * Generic REQ type */ struct bfi_fcport_req_s { struct bfi_mhdr_s mh; /* msg header */ u32 msgtag; /* msgtag for reply */ }; /* * Generic RSP type */ struct bfi_fcport_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 status; /* port enable status */ u8 rsvd[3]; struct bfa_port_cfg_s port_cfg;/* port configuration */ u32 msgtag; /* msgtag for reply */ }; /* * BFI_FCPORT_H2I_ENABLE_REQ */ struct bfi_fcport_enable_req_s { struct bfi_mhdr_s mh; /* msg header */ u32 rsvd1; wwn_t nwwn; /* node wwn of physical port */ wwn_t pwwn; /* port wwn of physical port */ struct bfa_port_cfg_s port_cfg; /* port configuration */ union bfi_addr_u stats_dma_addr; /* DMA address for stats */ u32 msgtag; /* msgtag for reply */ u8 use_flash_cfg; /* get prot cfg from flash */ u8 rsvd2[3]; }; /* * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ */ struct bfi_fcport_set_svc_params_req_s { struct bfi_mhdr_s mh; /* msg header */ __be16 tx_bbcredit; /* Tx credits */ u8 bb_scn; /* BB_SC FC credit recovery */ u8 rsvd; }; /* * BFI_FCPORT_I2H_EVENT */ struct bfi_fcport_event_s { struct bfi_mhdr_s mh; /* common msg header */ struct bfa_port_link_s link_state; }; /* * BFI_FCPORT_I2H_TRUNK_SCN */ struct bfi_fcport_trunk_link_s { wwn_t trunk_wwn; u8 fctl; /* bfa_trunk_link_fctl_t */ u8 state; /* bfa_trunk_link_state_t */ u8 speed; /* bfa_port_speed_t */ u8 rsvd; __be32 deskew; }; #define BFI_FCPORT_MAX_LINKS 2 struct bfi_fcport_trunk_scn_s { struct bfi_mhdr_s mh; u8 trunk_state; /* bfa_trunk_state_t */ u8 trunk_speed; /* bfa_port_speed_t */ u8 rsvd_a[2]; struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS]; }; /* * fcport H2I message */ union bfi_fcport_h2i_msg_u { struct bfi_mhdr_s *mhdr; struct bfi_fcport_enable_req_s *penable; struct bfi_fcport_req_s *pdisable; struct bfi_fcport_set_svc_params_req_s *psetsvcparams; struct bfi_fcport_req_s *pstatsget; struct bfi_fcport_req_s *pstatsclear; }; /* * fcport I2H message */ union bfi_fcport_i2h_msg_u { struct bfi_msg_s *msg; struct bfi_fcport_rsp_s *penable_rsp; struct bfi_fcport_rsp_s *pdisable_rsp; struct bfi_fcport_rsp_s *psetsvcparams_rsp; struct bfi_fcport_rsp_s *pstatsget_rsp; struct bfi_fcport_rsp_s *pstatsclear_rsp; struct bfi_fcport_event_s *event; struct bfi_fcport_trunk_scn_s *trunk_scn; }; enum bfi_fcxp_h2i { BFI_FCXP_H2I_SEND_REQ = 1, }; enum bfi_fcxp_i2h { BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1), }; #define BFA_FCXP_MAX_SGES 2 /* * FCXP send request structure */ struct bfi_fcxp_send_req_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 fcxp_tag; /* driver request tag */ __be16 max_frmsz; /* max send frame size */ __be16 vf_id; /* vsan tag if applicable */ u16 rport_fw_hndl; /* FW Handle for the remote port */ u8 class; /* FC class used for req/rsp */ u8 rsp_timeout; /* timeout in secs, 0-no response */ u8 cts; /* continue sequence */ u8 lp_fwtag; /* lport tag */ struct fchs_s fchs; /* request FC header structure */ __be32 req_len; /* request payload length */ __be32 rsp_maxlen; /* max response length expected */ struct bfi_alen_s req_alen; /* request buffer */ struct bfi_alen_s rsp_alen; /* response buffer */ }; /* * FCXP send response structure */ struct bfi_fcxp_send_rsp_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 fcxp_tag; /* send request tag */ u8 req_status; /* request status */ u8 rsvd; __be32 rsp_len; /* actual response length */ __be32 residue_len; /* residual response length */ struct fchs_s fchs; /* response FC header structure */ }; enum bfi_uf_h2i { BFI_UF_H2I_BUF_POST = 1, }; enum bfi_uf_i2h { BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1), }; #define BFA_UF_MAX_SGES 2 struct bfi_uf_buf_post_s { struct bfi_mhdr_s mh; /* Common msg header */ u16 buf_tag; /* buffer tag */ __be16 buf_len; /* total buffer length */ struct bfi_alen_s alen; /* buffer address/len pair */ }; struct bfi_uf_frm_rcvd_s { struct bfi_mhdr_s mh; /* Common msg header */ u16 buf_tag; /* buffer tag */ u16 rsvd; u16 frm_len; /* received frame length */ u16 xfr_len; /* tranferred length */ }; enum bfi_lps_h2i_msgs { BFI_LPS_H2I_LOGIN_REQ = 1, BFI_LPS_H2I_LOGOUT_REQ = 2, BFI_LPS_H2I_N2N_PID_REQ = 3, }; enum bfi_lps_i2h_msgs { BFI_LPS_I2H_LOGIN_RSP = BFA_I2HM(1), BFI_LPS_I2H_LOGOUT_RSP = BFA_I2HM(2), BFI_LPS_I2H_CVL_EVENT = BFA_I2HM(3), }; struct bfi_lps_login_req_s { struct bfi_mhdr_s mh; /* common msg header */ u8 bfa_tag; u8 alpa; __be16 pdu_size; wwn_t pwwn; wwn_t nwwn; u8 fdisc; u8 auth_en; u8 lps_role; u8 bb_scn; u32 vvl_flag; }; struct bfi_lps_login_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 fw_tag; u8 status; u8 lsrjt_rsn; u8 lsrjt_expl; wwn_t port_name; wwn_t node_name; __be16 bb_credit; u8 f_port; u8 npiv_en; u32 lp_pid:24; u32 auth_req:8; mac_t lp_mac; mac_t fcf_mac; u8 ext_status; u8 brcd_switch; /* attached peer is brcd switch */ u8 bb_scn; /* atatched port's bb_scn */ u8 bfa_tag; }; struct bfi_lps_logout_req_s { struct bfi_mhdr_s mh; /* common msg header */ u8 fw_tag; u8 rsvd[3]; wwn_t port_name; }; struct bfi_lps_logout_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 bfa_tag; u8 status; u8 rsvd[2]; }; struct bfi_lps_cvl_event_s { struct bfi_mhdr_s mh; /* common msg header */ u8 bfa_tag; u8 rsvd[3]; }; struct bfi_lps_n2n_pid_req_s { struct bfi_mhdr_s mh; /* common msg header */ u8 fw_tag; u32 lp_pid:24; }; union bfi_lps_h2i_msg_u { struct bfi_mhdr_s *msg; struct bfi_lps_login_req_s *login_req; struct bfi_lps_logout_req_s *logout_req; struct bfi_lps_n2n_pid_req_s *n2n_pid_req; }; union bfi_lps_i2h_msg_u { struct bfi_msg_s *msg; struct bfi_lps_login_rsp_s *login_rsp; struct bfi_lps_logout_rsp_s *logout_rsp; struct bfi_lps_cvl_event_s *cvl_event; }; enum bfi_rport_h2i_msgs { BFI_RPORT_H2I_CREATE_REQ = 1, BFI_RPORT_H2I_DELETE_REQ = 2, BFI_RPORT_H2I_SET_SPEED_REQ = 3, }; enum bfi_rport_i2h_msgs { BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1), BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2), BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3), BFI_RPORT_I2H_LIP_SCN_ONLINE = BFA_I2HM(4), BFI_RPORT_I2H_LIP_SCN_OFFLINE = BFA_I2HM(5), BFI_RPORT_I2H_NO_DEV = BFA_I2HM(6), }; struct bfi_rport_create_req_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* host rport handle */ __be16 max_frmsz; /* max rcv pdu size */ u32 pid:24, /* remote port ID */ lp_fwtag:8; /* local port tag */ u32 local_pid:24, /* local port ID */ cisc:8; u8 fc_class; /* supported FC classes */ u8 vf_en; /* virtual fabric enable */ u16 vf_id; /* virtual fabric ID */ }; struct bfi_rport_create_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u8 status; /* rport creation status */ u8 rsvd[3]; u16 bfa_handle; /* host rport handle */ u16 fw_handle; /* firmware rport handle */ struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */ }; struct bfa_rport_speed_req_s { struct bfi_mhdr_s mh; /* common msg header */ u16 fw_handle; /* firmware rport handle */ u8 speed; /* rport's speed via RPSC */ u8 rsvd; }; struct bfi_rport_delete_req_s { struct bfi_mhdr_s mh; /* common msg header */ u16 fw_handle; /* firmware rport handle */ u16 rsvd; }; struct bfi_rport_delete_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* host rport handle */ u8 status; /* rport deletion status */ u8 rsvd; }; struct bfi_rport_qos_scn_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* host rport handle */ u16 rsvd; struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */ struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */ }; struct bfi_rport_lip_scn_s { struct bfi_mhdr_s mh; /*!< common msg header */ u16 bfa_handle; /*!< host rport handle */ u8 status; /*!< scn online status */ u8 rsvd; struct bfa_fcport_loop_info_s loop_info; }; union bfi_rport_h2i_msg_u { struct bfi_msg_s *msg; struct bfi_rport_create_req_s *create_req; struct bfi_rport_delete_req_s *delete_req; struct bfi_rport_speed_req_s *speed_req; }; union bfi_rport_i2h_msg_u { struct bfi_msg_s *msg; struct bfi_rport_create_rsp_s *create_rsp; struct bfi_rport_delete_rsp_s *delete_rsp; struct bfi_rport_qos_scn_s *qos_scn_evt; struct bfi_rport_lip_scn_s *lip_scn; }; /* * Initiator mode I-T nexus interface defines. */ enum bfi_itn_h2i { BFI_ITN_H2I_CREATE_REQ = 1, /* i-t nexus creation */ BFI_ITN_H2I_DELETE_REQ = 2, /* i-t nexus deletion */ }; enum bfi_itn_i2h { BFI_ITN_I2H_CREATE_RSP = BFA_I2HM(1), BFI_ITN_I2H_DELETE_RSP = BFA_I2HM(2), BFI_ITN_I2H_SLER_EVENT = BFA_I2HM(3), }; struct bfi_itn_create_req_s { struct bfi_mhdr_s mh; /* common msg header */ u16 fw_handle; /* f/w handle for itnim */ u8 class; /* FC class for IO */ u8 seq_rec; /* sequence recovery support */ u8 msg_no; /* seq id of the msg */ u8 role; }; struct bfi_itn_create_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* bfa handle for itnim */ u8 status; /* fcp request status */ u8 seq_id; /* seq id of the msg */ }; struct bfi_itn_delete_req_s { struct bfi_mhdr_s mh; /* common msg header */ u16 fw_handle; /* f/w itnim handle */ u8 seq_id; /* seq id of the msg */ u8 rsvd; }; struct bfi_itn_delete_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* bfa handle for itnim */ u8 status; /* fcp request status */ u8 seq_id; /* seq id of the msg */ }; struct bfi_itn_sler_event_s { struct bfi_mhdr_s mh; /* common msg header */ u16 bfa_handle; /* bfa handle for itnim */ u16 rsvd; }; union bfi_itn_h2i_msg_u { struct bfi_itn_create_req_s *create_req; struct bfi_itn_delete_req_s *delete_req; struct bfi_msg_s *msg; }; union bfi_itn_i2h_msg_u { struct bfi_itn_create_rsp_s *create_rsp; struct bfi_itn_delete_rsp_s *delete_rsp; struct bfi_itn_sler_event_s *sler_event; struct bfi_msg_s *msg; }; /* * Initiator mode IO interface defines. */ enum bfi_ioim_h2i { BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */ BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */ }; enum bfi_ioim_i2h { BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */ BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */ }; /* * IO command DIF info */ struct bfi_ioim_dif_s { u32 dif_info[4]; }; /* * FCP IO messages overview * * @note * - Max CDB length supported is 64 bytes. * - SCSI Linked commands and SCSI bi-directional Commands not * supported. * */ struct bfi_ioim_req_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 io_tag; /* I/O tag */ u16 rport_hdl; /* itnim/rport firmware handle */ struct fcp_cmnd_s cmnd; /* IO request info */ /* * SG elements array within the IO request must be double word * aligned. This aligment is required to optimize SGM setup for the IO. */ struct bfi_sge_s sges[BFI_SGE_INLINE_MAX]; u8 io_timeout; u8 dif_en; u8 rsvd_a[2]; struct bfi_ioim_dif_s dif; }; /* * This table shows various IO status codes from firmware and their * meaning. Host driver can use these status codes to further process * IO completions. * * BFI_IOIM_STS_OK : IO completed with error free SCSI & * transport status. * io-tag can be reused. * * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error. * - io-tag can be reused. * * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to * host request. * - io-tag cannot be reused yet. * * BFI_IOIM_STS_ABORTED : IO was aborted successfully * internally by f/w. * - io-tag cannot be reused yet. * * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening * in the firmware and * - io-tag cannot be reused yet. * * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO * with sequence level error * logic and hence host needs to retry * this IO with a different IO tag * - io-tag cannot be used yet. * * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host * is required because 2 consecutive ABTS * timedout and host needs logout and * re-login with the target * - io-tag cannot be used yet. * * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good, * but the data tranferred is less than * the fcp data length in the command. * ex. SCSI INQUIRY where transferred * data length and residue count in FCP * response accounts for total fcp-dl * - io-tag can be reused. * * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good, * but the data transerred is more than * fcp data length in the command. ex. * TAPE IOs where blocks can of unequal * lengths. * - io-tag can be reused. * * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag * during abort process * - io-tag can be reused. * * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error. * ex target sent more data than * requested, or there was data frame * loss and other reasons * - io-tag cannot be used yet. * * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF * CRC err or Ref Tag err or App tag err. * - io-tag can be reused. * * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task * Management command from the host * - io-tag can be reused. * * BFI_IOIM_STS_UTAG : Firmware does not know about this * io_tag. * - io-tag can be reused. */ enum bfi_ioim_status { BFI_IOIM_STS_OK = 0, BFI_IOIM_STS_HOST_ABORTED = 1, BFI_IOIM_STS_ABORTED = 2, BFI_IOIM_STS_TIMEDOUT = 3, BFI_IOIM_STS_RES_FREE = 4, BFI_IOIM_STS_SQER_NEEDED = 5, BFI_IOIM_STS_PROTO_ERR = 6, BFI_IOIM_STS_UTAG = 7, BFI_IOIM_STS_PATHTOV = 8, }; /* * I/O response message */ struct bfi_ioim_rsp_s { struct bfi_mhdr_s mh; /* common msg header */ __be16 io_tag; /* completed IO tag */ u16 bfa_rport_hndl; /* releated rport handle */ u8 io_status; /* IO completion status */ u8 reuse_io_tag; /* IO tag can be reused */ u16 abort_tag; /* host abort request tag */ u8 scsi_status; /* scsi status from target */ u8 sns_len; /* scsi sense length */ u8 resid_flags; /* IO residue flags */ u8 rsvd_a; __be32 residue; /* IO residual length in bytes */ u32 rsvd_b[3]; }; struct bfi_ioim_abort_req_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 io_tag; /* I/O tag */ u16 abort_tag; /* unique request tag */ }; /* * Initiator mode task management command interface defines. */ enum bfi_tskim_h2i { BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */ BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */ }; enum bfi_tskim_i2h { BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1), }; struct bfi_tskim_req_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 tsk_tag; /* task management tag */ u16 itn_fhdl; /* itn firmware handle */ struct scsi_lun lun; /* LU number */ u8 tm_flags; /* see enum fcp_tm_cmnd */ u8 t_secs; /* Timeout value in seconds */ u8 rsvd[2]; }; struct bfi_tskim_abortreq_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 tsk_tag; /* task management tag */ u16 rsvd; }; enum bfi_tskim_status { /* * Following are FCP-4 spec defined status codes, * **DO NOT CHANGE THEM ** */ BFI_TSKIM_STS_OK = 0, BFI_TSKIM_STS_NOT_SUPP = 4, BFI_TSKIM_STS_FAILED = 5, /* * Defined by BFA */ BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */ BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */ BFI_TSKIM_STS_UTAG = 12, /* unknown tag for request */ }; struct bfi_tskim_rsp_s { struct bfi_mhdr_s mh; /* Common msg header */ __be16 tsk_tag; /* task mgmt cmnd tag */ u8 tsk_status; /* @ref bfi_tskim_status */ u8 rsvd; }; #pragma pack() /* * Crossbow PCI MSI-X vector defines */ enum { BFI_MSIX_CPE_QMIN_CB = 0, BFI_MSIX_CPE_QMAX_CB = 7, BFI_MSIX_RME_QMIN_CB = 8, BFI_MSIX_RME_QMAX_CB = 15, BFI_MSIX_CB_MAX = 22, }; /* * Catapult FC PCI MSI-X vector defines */ enum { BFI_MSIX_LPU_ERR_CT = 0, BFI_MSIX_CPE_QMIN_CT = 1, BFI_MSIX_CPE_QMAX_CT = 4, BFI_MSIX_RME_QMIN_CT = 5, BFI_MSIX_RME_QMAX_CT = 8, BFI_MSIX_CT_MAX = 9, }; #endif /* __BFI_MS_H__ */