diff options
Diffstat (limited to 'drivers/scsi/fnic/fdls_fc.h')
| -rw-r--r-- | drivers/scsi/fnic/fdls_fc.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fdls_fc.h b/drivers/scsi/fnic/fdls_fc.h new file mode 100644 index 000000000000..012f43afd083 --- /dev/null +++ b/drivers/scsi/fnic/fdls_fc.h @@ -0,0 +1,253 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + */ + +#ifndef _FDLS_FC_H_ +#define _FDLS_FC_H_ + +/* This file contains the declarations for FC fabric services + * and target discovery + * + * Request and Response for + * 1. FLOGI + * 2. PLOGI to Fabric Controller + * 3. GPN_ID, GPN_FT + * 4. RSCN + * 5. PLOGI to Target + * 6. PRLI to Target + */ + +#include <scsi/scsi.h> +#include <scsi/fc/fc_els.h> +#include <uapi/scsi/fc/fc_fs.h> +#include <uapi/scsi/fc/fc_ns.h> +#include <uapi/scsi/fc/fc_gs.h> +#include <uapi/linux/if_ether.h> +#include <scsi/fc/fc_ms.h> +#include <linux/minmax.h> +#include <linux/if_ether.h> +#include <scsi/fc/fc_encaps.h> +#include <scsi/fc/fc_fcoe.h> + +#define FDLS_MIN_FRAMES (32) +#define FDLS_MIN_FRAME_ELEM (4) +#define FNIC_FCP_SP_RD_XRDY_DIS 0x00000002 +#define FNIC_FCP_SP_TARGET 0x00000010 +#define FNIC_FCP_SP_INITIATOR 0x00000020 +#define FNIC_FCP_SP_CONF_CMPL 0x00000080 +#define FNIC_FCP_SP_RETRY 0x00000100 + +#define FNIC_FC_CONCUR_SEQS (0xFF) +#define FNIC_FC_RO_INFO (0x1F) + +/* Little Endian */ +#define FNIC_UNASSIGNED_OXID (0xffff) +#define FNIC_UNASSIGNED_RXID (0xffff) +#define FNIC_ELS_REQ_FCTL (0x000029) +#define FNIC_ELS_REP_FCTL (0x000099) + +#define FNIC_FCP_RSP_FCTL (0x000099) +#define FNIC_REQ_ABTS_FCTL (0x000009) + +#define FNIC_FC_PH_VER_HI (0x20) +#define FNIC_FC_PH_VER_LO (0x20) +#define FNIC_FC_PH_VER (0x2020) +#define FNIC_FC_B2B_CREDIT (0x0A) +#define FNIC_FC_B2B_RDF_SZ (0x0800) + +#define FNIC_LOGI_RDF_SIZE(_logi) ((_logi).fl_csp.sp_bb_data) +#define FNIC_LOGI_R_A_TOV(_logi) ((_logi).fl_csp.sp_r_a_tov) +#define FNIC_LOGI_E_D_TOV(_logi) ((_logi).fl_csp.sp_e_d_tov) +#define FNIC_LOGI_FEATURES(_logi) (be16_to_cpu((_logi).fl_csp.sp_features)) +#define FNIC_LOGI_PORT_NAME(_logi) ((_logi).fl_wwpn) +#define FNIC_LOGI_NODE_NAME(_logi) ((_logi).fl_wwnn) + +#define FNIC_LOGI_SET_RDF_SIZE(_logi, _rdf_size) \ + (FNIC_LOGI_RDF_SIZE(_logi) = cpu_to_be16(_rdf_size)) +#define FNIC_LOGI_SET_E_D_TOV(_logi, _e_d_tov) \ + (FNIC_LOGI_E_D_TOV(_logi) = cpu_to_be32(_e_d_tov)) +#define FNIC_LOGI_SET_R_A_TOV(_logi, _r_a_tov) \ + (FNIC_LOGI_R_A_TOV(_logi) = cpu_to_be32(_r_a_tov)) + +#define FNIC_STD_SET_S_ID(_fchdr, _sid) memcpy((_fchdr).fh_s_id, _sid, 3) +#define FNIC_STD_SET_D_ID(_fchdr, _did) memcpy((_fchdr).fh_d_id, _did, 3) +#define FNIC_STD_SET_OX_ID(_fchdr, _oxid) ((_fchdr).fh_ox_id = cpu_to_be16(_oxid)) +#define FNIC_STD_SET_RX_ID(_fchdr, _rxid) ((_fchdr).fh_rx_id = cpu_to_be16(_rxid)) + +#define FNIC_STD_SET_R_CTL(_fchdr, _rctl) ((_fchdr).fh_r_ctl = _rctl) +#define FNIC_STD_SET_TYPE(_fchdr, _type) ((_fchdr).fh_type = _type) +#define FNIC_STD_SET_F_CTL(_fchdr, _fctl) \ + put_unaligned_be24(_fctl, &((_fchdr).fh_f_ctl)) + +#define FNIC_STD_SET_NPORT_NAME(_ptr, _wwpn) put_unaligned_be64(_wwpn, _ptr) +#define FNIC_STD_SET_NODE_NAME(_ptr, _wwnn) put_unaligned_be64(_wwnn, _ptr) +#define FNIC_STD_SET_PORT_ID(__req, __portid) \ + memcpy(__req.fr_fid.fp_fid, __portid, 3) +#define FNIC_STD_SET_PORT_NAME(_req, _pName) \ + (put_unaligned_be64(_pName, &_req.fr_wwn)) + +#define FNIC_STD_GET_OX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_ox_id)) +#define FNIC_STD_GET_RX_ID(_fchdr) (be16_to_cpu((_fchdr)->fh_rx_id)) +#define FNIC_STD_GET_S_ID(_fchdr) ((_fchdr)->fh_s_id) +#define FNIC_STD_GET_D_ID(_fchdr) ((_fchdr)->fh_d_id) +#define FNIC_STD_GET_TYPE(_fchdr) ((_fchdr)->fh_type) +#define FNIC_STD_GET_F_CTL(_fchdr) ((_fchdr)->fh_f_ctl) +#define FNIC_STD_GET_R_CTL(_fchdr) ((_fchdr)->fh_r_ctl) + +#define FNIC_STD_GET_FC_CT_CMD(__fcct_hdr) (be16_to_cpu(__fcct_hdr->ct_cmd)) + +#define FNIC_FCOE_MAX_FRAME_SZ (2048) +#define FNIC_FCOE_MIN_FRAME_SZ (280) +#define FNIC_FC_MAX_PAYLOAD_LEN (2048) +#define FNIC_MIN_DATA_FIELD_SIZE (256) + +#define FNIC_FC_EDTOV_NSEC (0x400) +#define FNIC_NSEC_TO_MSEC (0x1000000) +#define FCP_PRLI_FUNC_TARGET (0x0010) + +#define FNIC_FC_R_CTL_SOLICITED_DATA (0x21) +#define FNIC_FC_F_CTL_LAST_END_SEQ (0x98) +#define FNIC_FC_F_CTL_LAST_END_SEQ_INT (0x99) +#define FNIC_FC_F_CTL_FIRST_LAST_SEQINIT (0x29) +#define FNIC_FC_R_CTL_FC4_SCTL (0x03) +#define FNIC_FC_CS_CTL (0x00) + +#define FNIC_FC_FRAME_UNSOLICITED(_fchdr) \ + (_fchdr->fh_r_ctl == FC_RCTL_ELS_REQ) +#define FNIC_FC_FRAME_SOLICITED_DATA(_fchdr) \ + (_fchdr->fh_r_ctl == FNIC_FC_R_CTL_SOLICITED_DATA) +#define FNIC_FC_FRAME_SOLICITED_CTRL_REPLY(_fchdr) \ + (_fchdr->fh_r_ctl == FC_RCTL_ELS_REP) +#define FNIC_FC_FRAME_FCTL_LAST_END_SEQ(_fchdr) \ + (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ) +#define FNIC_FC_FRAME_FCTL_LAST_END_SEQ_INT(_fchdr) \ + (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_LAST_END_SEQ_INT) +#define FNIC_FC_FRAME_FCTL_FIRST_LAST_SEQINIT(_fchdr) \ + (_fchdr->fh_f_ctl[0] == FNIC_FC_F_CTL_FIRST_LAST_SEQINIT) +#define FNIC_FC_FRAME_FC4_SCTL(_fchdr) \ + (_fchdr->fh_r_ctl == FNIC_FC_R_CTL_FC4_SCTL) +#define FNIC_FC_FRAME_TYPE_BLS(_fchdr) (_fchdr->fh_type == FC_TYPE_BLS) +#define FNIC_FC_FRAME_TYPE_ELS(_fchdr) (_fchdr->fh_type == FC_TYPE_ELS) +#define FNIC_FC_FRAME_TYPE_FC_GS(_fchdr) (_fchdr->fh_type == FC_TYPE_CT) +#define FNIC_FC_FRAME_CS_CTL(_fchdr) (_fchdr->fh_cs_ctl == FNIC_FC_CS_CTL) + +#define FNIC_FC_C3_RDF (0xfff) +#define FNIC_FC_PLOGI_RSP_RDF(_plogi_rsp) \ + (min(_plogi_rsp->u.csp_plogi.b2b_rdf_size, \ + (_plogi_rsp->spc3[4] & FNIC_FC_C3_RDF))) +#define FNIC_FC_PLOGI_RSP_CONCUR_SEQ(_plogi_rsp) \ + (min((uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_csp.sp_tot_seq)), \ + (uint16_t) (be16_to_cpu(_plogi_rsp->els.fl_cssp[2].cp_con_seq) & 0xff))) + +/* FLOGI/PLOGI struct */ +struct fc_std_flogi { + struct fc_frame_header fchdr; + struct fc_els_flogi els; +} __packed; + +struct fc_std_els_acc_rsp { + struct fc_frame_header fchdr; + struct fc_els_ls_acc acc; +} __packed; + +struct fc_std_els_rjt_rsp { + struct fc_frame_header fchdr; + struct fc_els_ls_rjt rej; +} __packed; + +struct fc_std_els_adisc { + struct fc_frame_header fchdr; + struct fc_els_adisc els; +} __packed; + +struct fc_std_rls_acc { + struct fc_frame_header fchdr; + struct fc_els_rls_resp els; +} __packed; + +struct fc_std_abts_ba_acc { + struct fc_frame_header fchdr; + struct fc_ba_acc acc; +} __packed; + +struct fc_std_abts_ba_rjt { + struct fc_frame_header fchdr; + struct fc_ba_rjt rjt; +} __packed; + +struct fc_std_els_prli { + struct fc_frame_header fchdr; + struct fc_els_prli els_prli; + struct fc_els_spp sp; +} __packed; + +struct fc_std_rpn_id { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_ns_rn_id rpn_id; +} __packed; + +struct fc_std_fdmi_rhba { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_fdmi_rhba rhba; +} __packed; + +struct fc_std_fdmi_rpa { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_fdmi_rpa rpa; +} __packed; + +struct fc_std_rft_id { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_ns_rft_id rft_id; +} __packed; + +struct fc_std_rff_id { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_ns_rff_id rff_id; +} __packed; + +struct fc_std_gpn_ft { + struct fc_frame_header fchdr; + struct fc_ct_hdr fc_std_ct_hdr; + struct fc_ns_gid_ft gpn_ft; +} __packed; + +/* Accept CT_IU for GPN_FT */ +struct fc_gpn_ft_rsp_iu { + uint8_t ctrl; + uint8_t fcid[3]; + uint32_t rsvd; + __be64 wwpn; +} __packed; + +struct fc_std_rls { + struct fc_frame_header fchdr; + struct fc_els_rls els; +} __packed; + +struct fc_std_scr { + struct fc_frame_header fchdr; + struct fc_els_scr scr; +} __packed; + +struct fc_std_rscn { + struct fc_frame_header fchdr; + struct fc_els_rscn els; +} __packed; + +struct fc_std_logo { + struct fc_frame_header fchdr; + struct fc_els_logo els; +} __packed; + +#define FNIC_ETH_FCOE_HDRS_OFFSET \ + (sizeof(struct ethhdr) + sizeof(struct fcoe_hdr)) + +#endif /* _FDLS_FC_H */ |