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linux-next/drivers/scsi/csiostor/t4fw_api_stor.h
Vipul Pandya 5be78ee924 RDMA/cxgb4: Fix LE hash collision bug for active open connection 
It enables establishing active open connection using fw_ofld_connection work
request when cpl_act_open_rpl says TCAM full error which may be because
of LE hash collision. Current support is only for IPv4 active open connections.

Sets ntuple bits in active open requests. For T4 firmware greater than 1.4.10.0
ntuple bits are required to be set.

Adds nocong and enable_ecn module parameter options.

Signed-off-by: Vipul Pandya <vipul@chelsio.com>

[ Move all FW return values to t4fw_api.h.  - Roland ]

Signed-off-by: Roland Dreier <roland@purestorage.com>
2012-12-19 23:02:43 -08:00

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/*
* This file is part of the Chelsio FCoE driver for Linux.
*
* Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _T4FW_API_STOR_H_
#define _T4FW_API_STOR_H_
/******************************************************************************
* R E T U R N V A L U E S
********************************/
enum fw_fcoe_link_sub_op {
FCOE_LINK_DOWN = 0x0,
FCOE_LINK_UP = 0x1,
FCOE_LINK_COND = 0x2,
};
enum fw_fcoe_link_status {
FCOE_LINKDOWN = 0x0,
FCOE_LINKUP = 0x1,
};
enum fw_ofld_prot {
PROT_FCOE = 0x1,
PROT_ISCSI = 0x2,
};
enum rport_type_fcoe {
FLOGI_VFPORT = 0x1, /* 0xfffffe */
FDISC_VFPORT = 0x2, /* 0xfffffe */
NS_VNPORT = 0x3, /* 0xfffffc */
REG_FC4_VNPORT = 0x4, /* any FC4 type VN_PORT */
REG_VNPORT = 0x5, /* 0xfffxxx - non FC4 port in switch */
FDMI_VNPORT = 0x6, /* 0xfffffa */
FAB_CTLR_VNPORT = 0x7, /* 0xfffffd */
};
enum event_cause_fcoe {
PLOGI_ACC_RCVD = 0x01,
PLOGI_RJT_RCVD = 0x02,
PLOGI_RCVD = 0x03,
PLOGO_RCVD = 0x04,
PRLI_ACC_RCVD = 0x05,
PRLI_RJT_RCVD = 0x06,
PRLI_RCVD = 0x07,
PRLO_RCVD = 0x08,
NPORT_ID_CHGD = 0x09,
FLOGO_RCVD = 0x0a,
CLR_VIRT_LNK_RCVD = 0x0b,
FLOGI_ACC_RCVD = 0x0c,
FLOGI_RJT_RCVD = 0x0d,
FDISC_ACC_RCVD = 0x0e,
FDISC_RJT_RCVD = 0x0f,
FLOGI_TMO_MAX_RETRY = 0x10,
IMPL_LOGO_ADISC_ACC = 0x11,
IMPL_LOGO_ADISC_RJT = 0x12,
IMPL_LOGO_ADISC_CNFLT = 0x13,
PRLI_TMO = 0x14,
ADISC_TMO = 0x15,
RSCN_DEV_LOST = 0x16,
SCR_ACC_RCVD = 0x17,
ADISC_RJT_RCVD = 0x18,
LOGO_SNT = 0x19,
PROTO_ERR_IMPL_LOGO = 0x1a,
};
enum fcoe_cmn_type {
FCOE_ELS,
FCOE_CT,
FCOE_SCSI_CMD,
FCOE_UNSOL_ELS,
};
enum fw_wr_stor_opcodes {
FW_RDEV_WR = 0x38,
FW_FCOE_ELS_CT_WR = 0x30,
FW_SCSI_WRITE_WR = 0x31,
FW_SCSI_READ_WR = 0x32,
FW_SCSI_CMD_WR = 0x33,
FW_SCSI_ABRT_CLS_WR = 0x34,
};
struct fw_rdev_wr {
__be32 op_to_immdlen;
__be32 alloc_to_len16;
__be64 cookie;
u8 protocol;
u8 event_cause;
u8 cur_state;
u8 prev_state;
__be32 flags_to_assoc_flowid;
union rdev_entry {
struct fcoe_rdev_entry {
__be32 flowid;
u8 protocol;
u8 event_cause;
u8 flags;
u8 rjt_reason;
u8 cur_login_st;
u8 prev_login_st;
__be16 rcv_fr_sz;
u8 rd_xfer_rdy_to_rport_type;
u8 vft_to_qos;
u8 org_proc_assoc_to_acc_rsp_code;
u8 enh_disc_to_tgt;
u8 wwnn[8];
u8 wwpn[8];
__be16 iqid;
u8 fc_oui[3];
u8 r_id[3];
} fcoe_rdev;
struct iscsi_rdev_entry {
__be32 flowid;
u8 protocol;
u8 event_cause;
u8 flags;
u8 r3;
__be16 iscsi_opts;
__be16 tcp_opts;
__be16 ip_opts;
__be16 max_rcv_len;
__be16 max_snd_len;
__be16 first_brst_len;
__be16 max_brst_len;
__be16 r4;
__be16 def_time2wait;
__be16 def_time2ret;
__be16 nop_out_intrvl;
__be16 non_scsi_to;
__be16 isid;
__be16 tsid;
__be16 port;
__be16 tpgt;
u8 r5[6];
__be16 iqid;
} iscsi_rdev;
} u;
};
#define FW_RDEV_WR_FLOWID_GET(x) (((x) >> 8) & 0xfffff)
#define FW_RDEV_WR_ASSOC_FLOWID_GET(x) (((x) >> 0) & 0xfffff)
#define FW_RDEV_WR_RPORT_TYPE_GET(x) (((x) >> 0) & 0x1f)
#define FW_RDEV_WR_NPIV_GET(x) (((x) >> 6) & 0x1)
#define FW_RDEV_WR_CLASS_GET(x) (((x) >> 4) & 0x3)
#define FW_RDEV_WR_TASK_RETRY_ID_GET(x) (((x) >> 5) & 0x1)
#define FW_RDEV_WR_RETRY_GET(x) (((x) >> 4) & 0x1)
#define FW_RDEV_WR_CONF_CMPL_GET(x) (((x) >> 3) & 0x1)
#define FW_RDEV_WR_INI_GET(x) (((x) >> 1) & 0x1)
#define FW_RDEV_WR_TGT_GET(x) (((x) >> 0) & 0x1)
struct fw_fcoe_els_ct_wr {
__be32 op_immdlen;
__be32 flowid_len16;
u64 cookie;
__be16 iqid;
u8 tmo_val;
u8 els_ct_type;
u8 ctl_pri;
u8 cp_en_class;
__be16 xfer_cnt;
u8 fl_to_sp;
u8 l_id[3];
u8 r5;
u8 r_id[3];
__be64 rsp_dmaaddr;
__be32 rsp_dmalen;
__be32 r6;
};
#define FW_FCOE_ELS_CT_WR_OPCODE(x) ((x) << 24)
#define FW_FCOE_ELS_CT_WR_OPCODE_GET(x) (((x) >> 24) & 0xff)
#define FW_FCOE_ELS_CT_WR_IMMDLEN(x) ((x) << 0)
#define FW_FCOE_ELS_CT_WR_IMMDLEN_GET(x) (((x) >> 0) & 0xff)
#define FW_FCOE_ELS_CT_WR_SP(x) ((x) << 0)
struct fw_scsi_write_wr {
__be32 op_immdlen;
__be32 flowid_len16;
u64 cookie;
__be16 iqid;
u8 tmo_val;
u8 use_xfer_cnt;
union fw_scsi_write_priv {
struct fcoe_write_priv {
u8 ctl_pri;
u8 cp_en_class;
u8 r3_lo[2];
} fcoe;
struct iscsi_write_priv {
u8 r3[4];
} iscsi;
} u;
__be32 xfer_cnt;
__be32 ini_xfer_cnt;
__be64 rsp_dmaaddr;
__be32 rsp_dmalen;
__be32 r4;
};
#define FW_SCSI_WRITE_WR_IMMDLEN(x) ((x) << 0)
struct fw_scsi_read_wr {
__be32 op_immdlen;
__be32 flowid_len16;
u64 cookie;
__be16 iqid;
u8 tmo_val;
u8 use_xfer_cnt;
union fw_scsi_read_priv {
struct fcoe_read_priv {
u8 ctl_pri;
u8 cp_en_class;
u8 r3_lo[2];
} fcoe;
struct iscsi_read_priv {
u8 r3[4];
} iscsi;
} u;
__be32 xfer_cnt;
__be32 ini_xfer_cnt;
__be64 rsp_dmaaddr;
__be32 rsp_dmalen;
__be32 r4;
};
#define FW_SCSI_READ_WR_IMMDLEN(x) ((x) << 0)
struct fw_scsi_cmd_wr {
__be32 op_immdlen;
__be32 flowid_len16;
u64 cookie;
__be16 iqid;
u8 tmo_val;
u8 r3;
union fw_scsi_cmd_priv {
struct fcoe_cmd_priv {
u8 ctl_pri;
u8 cp_en_class;
u8 r4_lo[2];
} fcoe;
struct iscsi_cmd_priv {
u8 r4[4];
} iscsi;
} u;
u8 r5[8];
__be64 rsp_dmaaddr;
__be32 rsp_dmalen;
__be32 r6;
};
#define FW_SCSI_CMD_WR_IMMDLEN(x) ((x) << 0)
#define SCSI_ABORT 0
#define SCSI_CLOSE 1
struct fw_scsi_abrt_cls_wr {
__be32 op_immdlen;
__be32 flowid_len16;
u64 cookie;
__be16 iqid;
u8 tmo_val;
u8 sub_opcode_to_chk_all_io;
u8 r3[4];
u64 t_cookie;
};
#define FW_SCSI_ABRT_CLS_WR_SUB_OPCODE(x) ((x) << 2)
#define FW_SCSI_ABRT_CLS_WR_SUB_OPCODE_GET(x) (((x) >> 2) & 0x3f)
#define FW_SCSI_ABRT_CLS_WR_CHK_ALL_IO(x) ((x) << 0)
enum fw_cmd_stor_opcodes {
FW_FCOE_RES_INFO_CMD = 0x31,
FW_FCOE_LINK_CMD = 0x32,
FW_FCOE_VNP_CMD = 0x33,
FW_FCOE_SPARAMS_CMD = 0x35,
FW_FCOE_STATS_CMD = 0x37,
FW_FCOE_FCF_CMD = 0x38,
};
struct fw_fcoe_res_info_cmd {
__be32 op_to_read;
__be32 retval_len16;
__be16 e_d_tov;
__be16 r_a_tov_seq;
__be16 r_a_tov_els;
__be16 r_r_tov;
__be32 max_xchgs;
__be32 max_ssns;
__be32 used_xchgs;
__be32 used_ssns;
__be32 max_fcfs;
__be32 max_vnps;
__be32 used_fcfs;
__be32 used_vnps;
};
struct fw_fcoe_link_cmd {
__be32 op_to_portid;
__be32 retval_len16;
__be32 sub_opcode_fcfi;
u8 r3;
u8 lstatus;
__be16 flags;
u8 r4;
u8 set_vlan;
__be16 vlan_id;
__be32 vnpi_pkd;
__be16 r6;
u8 phy_mac[6];
u8 vnport_wwnn[8];
u8 vnport_wwpn[8];
};
#define FW_FCOE_LINK_CMD_PORTID(x) ((x) << 0)
#define FW_FCOE_LINK_CMD_PORTID_GET(x) (((x) >> 0) & 0xf)
#define FW_FCOE_LINK_CMD_SUB_OPCODE(x) ((x) << 24U)
#define FW_FCOE_LINK_CMD_FCFI(x) ((x) << 0)
#define FW_FCOE_LINK_CMD_FCFI_GET(x) (((x) >> 0) & 0xffffff)
#define FW_FCOE_LINK_CMD_VNPI_GET(x) (((x) >> 0) & 0xfffff)
struct fw_fcoe_vnp_cmd {
__be32 op_to_fcfi;
__be32 alloc_to_len16;
__be32 gen_wwn_to_vnpi;
__be32 vf_id;
__be16 iqid;
u8 vnport_mac[6];
u8 vnport_wwnn[8];
u8 vnport_wwpn[8];
u8 cmn_srv_parms[16];
u8 clsp_word_0_1[8];
};
#define FW_FCOE_VNP_CMD_FCFI(x) ((x) << 0)
#define FW_FCOE_VNP_CMD_ALLOC (1U << 31)
#define FW_FCOE_VNP_CMD_FREE (1U << 30)
#define FW_FCOE_VNP_CMD_MODIFY (1U << 29)
#define FW_FCOE_VNP_CMD_GEN_WWN (1U << 22)
#define FW_FCOE_VNP_CMD_VFID_EN (1U << 20)
#define FW_FCOE_VNP_CMD_VNPI(x) ((x) << 0)
#define FW_FCOE_VNP_CMD_VNPI_GET(x) (((x) >> 0) & 0xfffff)
struct fw_fcoe_sparams_cmd {
__be32 op_to_portid;
__be32 retval_len16;
u8 r3[7];
u8 cos;
u8 lport_wwnn[8];
u8 lport_wwpn[8];
u8 cmn_srv_parms[16];
u8 cls_srv_parms[16];
};
#define FW_FCOE_SPARAMS_CMD_PORTID(x) ((x) << 0)
struct fw_fcoe_stats_cmd {
__be32 op_to_flowid;
__be32 free_to_len16;
union fw_fcoe_stats {
struct fw_fcoe_stats_ctl {
u8 nstats_port;
u8 port_valid_ix;
__be16 r6;
__be32 r7;
__be64 stat0;
__be64 stat1;
__be64 stat2;
__be64 stat3;
__be64 stat4;
__be64 stat5;
} ctl;
struct fw_fcoe_port_stats {
__be64 tx_bcast_bytes;
__be64 tx_bcast_frames;
__be64 tx_mcast_bytes;
__be64 tx_mcast_frames;
__be64 tx_ucast_bytes;
__be64 tx_ucast_frames;
__be64 tx_drop_frames;
__be64 tx_offload_bytes;
__be64 tx_offload_frames;
__be64 rx_bcast_bytes;
__be64 rx_bcast_frames;
__be64 rx_mcast_bytes;
__be64 rx_mcast_frames;
__be64 rx_ucast_bytes;
__be64 rx_ucast_frames;
__be64 rx_err_frames;
} port_stats;
struct fw_fcoe_fcf_stats {
__be32 fip_tx_bytes;
__be32 fip_tx_fr;
__be64 fcf_ka;
__be64 mcast_adv_rcvd;
__be16 ucast_adv_rcvd;
__be16 sol_sent;
__be16 vlan_req;
__be16 vlan_rpl;
__be16 clr_vlink;
__be16 link_down;
__be16 link_up;
__be16 logo;
__be16 flogi_req;
__be16 flogi_rpl;
__be16 fdisc_req;
__be16 fdisc_rpl;
__be16 fka_prd_chg;
__be16 fc_map_chg;
__be16 vfid_chg;
u8 no_fka_req;
u8 no_vnp;
} fcf_stats;
struct fw_fcoe_pcb_stats {
__be64 tx_bytes;
__be64 tx_frames;
__be64 rx_bytes;
__be64 rx_frames;
__be32 vnp_ka;
__be32 unsol_els_rcvd;
__be64 unsol_cmd_rcvd;
__be16 implicit_logo;
__be16 flogi_inv_sparm;
__be16 fdisc_inv_sparm;
__be16 flogi_rjt;
__be16 fdisc_rjt;
__be16 no_ssn;
__be16 mac_flt_fail;
__be16 inv_fr_rcvd;
} pcb_stats;
struct fw_fcoe_scb_stats {
__be64 tx_bytes;
__be64 tx_frames;
__be64 rx_bytes;
__be64 rx_frames;
__be32 host_abrt_req;
__be32 adap_auto_abrt;
__be32 adap_abrt_rsp;
__be32 host_ios_req;
__be16 ssn_offl_ios;
__be16 ssn_not_rdy_ios;
u8 rx_data_ddp_err;
u8 ddp_flt_set_err;
__be16 rx_data_fr_err;
u8 bad_st_abrt_req;
u8 no_io_abrt_req;
u8 abort_tmo;
u8 abort_tmo_2;
__be32 abort_req;
u8 no_ppod_res_tmo;
u8 bp_tmo;
u8 adap_auto_cls;
u8 no_io_cls_req;
__be32 host_cls_req;
__be64 unsol_cmd_rcvd;
__be32 plogi_req_rcvd;
__be32 prli_req_rcvd;
__be16 logo_req_rcvd;
__be16 prlo_req_rcvd;
__be16 plogi_rjt_rcvd;
__be16 prli_rjt_rcvd;
__be32 adisc_req_rcvd;
__be32 rscn_rcvd;
__be32 rrq_req_rcvd;
__be32 unsol_els_rcvd;
u8 adisc_rjt_rcvd;
u8 scr_rjt;
u8 ct_rjt;
u8 inval_bls_rcvd;
__be32 ba_rjt_rcvd;
} scb_stats;
} u;
};
#define FW_FCOE_STATS_CMD_FLOWID(x) ((x) << 0)
#define FW_FCOE_STATS_CMD_FREE (1U << 30)
#define FW_FCOE_STATS_CMD_NSTATS(x) ((x) << 4)
#define FW_FCOE_STATS_CMD_PORT(x) ((x) << 0)
#define FW_FCOE_STATS_CMD_PORT_VALID (1U << 7)
#define FW_FCOE_STATS_CMD_IX(x) ((x) << 0)
struct fw_fcoe_fcf_cmd {
__be32 op_to_fcfi;
__be32 retval_len16;
__be16 priority_pkd;
u8 mac[6];
u8 name_id[8];
u8 fabric[8];
__be16 vf_id;
__be16 max_fcoe_size;
u8 vlan_id;
u8 fc_map[3];
__be32 fka_adv;
__be32 r6;
u8 r7_hi;
u8 fpma_to_portid;
u8 spma_mac[6];
__be64 r8;
};
#define FW_FCOE_FCF_CMD_FCFI(x) ((x) << 0)
#define FW_FCOE_FCF_CMD_FCFI_GET(x) (((x) >> 0) & 0xfffff)
#define FW_FCOE_FCF_CMD_PRIORITY_GET(x) (((x) >> 0) & 0xff)
#define FW_FCOE_FCF_CMD_FPMA_GET(x) (((x) >> 6) & 0x1)
#define FW_FCOE_FCF_CMD_SPMA_GET(x) (((x) >> 5) & 0x1)
#define FW_FCOE_FCF_CMD_LOGIN_GET(x) (((x) >> 4) & 0x1)
#define FW_FCOE_FCF_CMD_PORTID_GET(x) (((x) >> 0) & 0xf)
#endif /* _T4FW_API_STOR_H_ */
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