cxgb4: Add register, message, and FW definitions

Signed-off-by: NDimitris Michailidis <dm@chelsio.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/cxgb4/t4_msg.h

+/*
+ * This file is part of the Chelsio T4 Ethernet driver for Linux.
+ *
+ * Copyright (c) 2003-2010 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 __T4_MSG_H
+#define __T4_MSG_H
+
+#include <linux/types.h>
+
+enum {
+	CPL_PASS_OPEN_REQ     = 0x1,
+	CPL_PASS_ACCEPT_RPL   = 0x2,
+	CPL_ACT_OPEN_REQ      = 0x3,
+	CPL_SET_TCB_FIELD     = 0x5,
+	CPL_GET_TCB           = 0x6,
+	CPL_CLOSE_CON_REQ     = 0x8,
+	CPL_CLOSE_LISTSRV_REQ = 0x9,
+	CPL_ABORT_REQ         = 0xA,
+	CPL_ABORT_RPL         = 0xB,
+	CPL_RX_DATA_ACK       = 0xD,
+	CPL_TX_PKT            = 0xE,
+	CPL_L2T_WRITE_REQ     = 0x12,
+	CPL_TID_RELEASE       = 0x1A,
+
+	CPL_CLOSE_LISTSRV_RPL = 0x20,
+	CPL_L2T_WRITE_RPL     = 0x23,
+	CPL_PASS_OPEN_RPL     = 0x24,
+	CPL_ACT_OPEN_RPL      = 0x25,
+	CPL_PEER_CLOSE        = 0x26,
+	CPL_ABORT_REQ_RSS     = 0x2B,
+	CPL_ABORT_RPL_RSS     = 0x2D,
+
+	CPL_CLOSE_CON_RPL     = 0x32,
+	CPL_ISCSI_HDR         = 0x33,
+	CPL_RDMA_CQE          = 0x35,
+	CPL_RDMA_CQE_READ_RSP = 0x36,
+	CPL_RDMA_CQE_ERR      = 0x37,
+	CPL_RX_DATA           = 0x39,
+	CPL_SET_TCB_RPL       = 0x3A,
+	CPL_RX_PKT            = 0x3B,
+	CPL_RX_DDP_COMPLETE   = 0x3F,
+
+	CPL_ACT_ESTABLISH     = 0x40,
+	CPL_PASS_ESTABLISH    = 0x41,
+	CPL_RX_DATA_DDP       = 0x42,
+	CPL_PASS_ACCEPT_REQ   = 0x44,
+
+	CPL_RDMA_READ_REQ     = 0x60,
+
+	CPL_PASS_OPEN_REQ6    = 0x81,
+	CPL_ACT_OPEN_REQ6     = 0x83,
+
+	CPL_RDMA_TERMINATE    = 0xA2,
+	CPL_RDMA_WRITE        = 0xA4,
+	CPL_SGE_EGR_UPDATE    = 0xA5,
+
+	CPL_TRACE_PKT         = 0xB0,
+
+	CPL_FW4_MSG           = 0xC0,
+	CPL_FW4_PLD           = 0xC1,
+	CPL_FW4_ACK           = 0xC3,
+
+	CPL_FW6_MSG           = 0xE0,
+	CPL_FW6_PLD           = 0xE1,
+	CPL_TX_PKT_LSO        = 0xED,
+	CPL_TX_PKT_XT         = 0xEE,
+
+	NUM_CPL_CMDS
+};
+
+enum CPL_error {
+	CPL_ERR_NONE               = 0,
+	CPL_ERR_TCAM_FULL          = 3,
+	CPL_ERR_BAD_LENGTH         = 15,
+	CPL_ERR_BAD_ROUTE          = 18,
+	CPL_ERR_CONN_RESET         = 20,
+	CPL_ERR_CONN_EXIST_SYNRECV = 21,
+	CPL_ERR_CONN_EXIST         = 22,
+	CPL_ERR_ARP_MISS           = 23,
+	CPL_ERR_BAD_SYN            = 24,
+	CPL_ERR_CONN_TIMEDOUT      = 30,
+	CPL_ERR_XMIT_TIMEDOUT      = 31,
+	CPL_ERR_PERSIST_TIMEDOUT   = 32,
+	CPL_ERR_FINWAIT2_TIMEDOUT  = 33,
+	CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
+	CPL_ERR_RTX_NEG_ADVICE     = 35,
+	CPL_ERR_PERSIST_NEG_ADVICE = 36,
+	CPL_ERR_ABORT_FAILED       = 42,
+	CPL_ERR_IWARP_FLM          = 50,
+};
+
+enum {
+	ULP_MODE_NONE          = 0,
+	ULP_MODE_ISCSI         = 2,
+	ULP_MODE_RDMA          = 4,
+	ULP_MODE_FCOE          = 6,
+};
+
+enum {
+	ULP_CRC_HEADER = 1 << 0,
+	ULP_CRC_DATA   = 1 << 1
+};
+
+enum {
+	CPL_ABORT_SEND_RST = 0,
+	CPL_ABORT_NO_RST,
+};
+
+enum {                     /* TX_PKT_XT checksum types */
+	TX_CSUM_TCP    = 0,
+	TX_CSUM_UDP    = 1,
+	TX_CSUM_CRC16  = 4,
+	TX_CSUM_CRC32  = 5,
+	TX_CSUM_CRC32C = 6,
+	TX_CSUM_FCOE   = 7,
+	TX_CSUM_TCPIP  = 8,
+	TX_CSUM_UDPIP  = 9,
+	TX_CSUM_TCPIP6 = 10,
+	TX_CSUM_UDPIP6 = 11,
+	TX_CSUM_IP     = 12,
+};
+
+union opcode_tid {
+	__be32 opcode_tid;
+	u8 opcode;
+};
+
+#define CPL_OPCODE(x) ((x) << 24)
+#define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
+#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
+#define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)
+
+/* partitioning of TID fields that also carry a queue id */
+#define GET_TID_TID(x) ((x) & 0x3fff)
+#define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
+#define TID_QID(x)     ((x) << 14)
+
+struct rss_header {
+	u8 opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u8 channel:2;
+	u8 filter_hit:1;
+	u8 filter_tid:1;
+	u8 hash_type:2;
+	u8 ipv6:1;
+	u8 send2fw:1;
+#else
+	u8 send2fw:1;
+	u8 ipv6:1;
+	u8 hash_type:2;
+	u8 filter_tid:1;
+	u8 filter_hit:1;
+	u8 channel:2;
+#endif
+	__be16 qid;
+	__be32 hash_val;
+};
+
+struct work_request_hdr {
+	__be32 wr_hi;
+	__be32 wr_mid;
+	__be64 wr_lo;
+};
+
+#define WR_HDR struct work_request_hdr wr
+
+struct cpl_pass_open_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 local_port;
+	__be16 peer_port;
+	__be32 local_ip;
+	__be32 peer_ip;
+	__be64 opt0;
+#define TX_CHAN(x)    ((x) << 2)
+#define DELACK(x)     ((x) << 5)
+#define ULP_MODE(x)   ((x) << 8)
+#define RCV_BUFSIZ(x) ((x) << 12)
+#define DSCP(x)       ((x) << 22)
+#define SMAC_SEL(x)   ((u64)(x) << 28)
+#define L2T_IDX(x)    ((u64)(x) << 36)
+#define NAGLE(x)      ((u64)(x) << 49)
+#define WND_SCALE(x)  ((u64)(x) << 50)
+#define KEEP_ALIVE(x) ((u64)(x) << 54)
+#define MSS_IDX(x)    ((u64)(x) << 60)
+	__be64 opt1;
+#define SYN_RSS_ENABLE   (1 << 0)
+#define SYN_RSS_QUEUE(x) ((x) << 2)
+#define CONN_POLICY_ASK  (1 << 22)
+};
+
+struct cpl_pass_open_req6 {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 local_port;
+	__be16 peer_port;
+	__be64 local_ip_hi;
+	__be64 local_ip_lo;
+	__be64 peer_ip_hi;
+	__be64 peer_ip_lo;
+	__be64 opt0;
+	__be64 opt1;
+};
+
+struct cpl_pass_open_rpl {
+	union opcode_tid ot;
+	u8 rsvd[3];
+	u8 status;
+};
+
+struct cpl_pass_accept_rpl {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 opt2;
+#define RSS_QUEUE(x)         ((x) << 0)
+#define RSS_QUEUE_VALID      (1 << 10)
+#define RX_COALESCE_VALID(x) ((x) << 11)
+#define RX_COALESCE(x)       ((x) << 12)
+#define TX_QUEUE(x)          ((x) << 23)
+#define RX_CHANNEL(x)        ((x) << 26)
+#define WND_SCALE_EN(x)      ((x) << 28)
+#define TSTAMPS_EN(x)        ((x) << 29)
+#define SACK_EN(x)           ((x) << 30)
+	__be64 opt0;
+};
+
+struct cpl_act_open_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 local_port;
+	__be16 peer_port;
+	__be32 local_ip;
+	__be32 peer_ip;
+	__be64 opt0;
+	__be32 params;
+	__be32 opt2;
+};
+
+struct cpl_act_open_req6 {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 local_port;
+	__be16 peer_port;
+	__be64 local_ip_hi;
+	__be64 local_ip_lo;
+	__be64 peer_ip_hi;
+	__be64 peer_ip_lo;
+	__be64 opt0;
+	__be32 params;
+	__be32 opt2;
+};
+
+struct cpl_act_open_rpl {
+	union opcode_tid ot;
+	__be32 atid_status;
+#define GET_AOPEN_STATUS(x) ((x) & 0xff)
+#define GET_AOPEN_ATID(x)   (((x) >> 8) & 0xffffff)
+};
+
+struct cpl_pass_establish {
+	union opcode_tid ot;
+	__be32 rsvd;
+	__be32 tos_stid;
+#define GET_POPEN_TID(x) ((x) & 0xffffff)
+#define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
+	__be16 mac_idx;
+	__be16 tcp_opt;
+#define GET_TCPOPT_WSCALE_OK(x)  (((x) >> 5) & 1)
+#define GET_TCPOPT_SACK(x)       (((x) >> 6) & 1)
+#define GET_TCPOPT_TSTAMP(x)     (((x) >> 7) & 1)
+#define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
+#define GET_TCPOPT_MSS(x)        (((x) >> 12) & 0xf)
+	__be32 snd_isn;
+	__be32 rcv_isn;
+};
+
+struct cpl_act_establish {
+	union opcode_tid ot;
+	__be32 rsvd;
+	__be32 tos_atid;
+	__be16 mac_idx;
+	__be16 tcp_opt;
+	__be32 snd_isn;
+	__be32 rcv_isn;
+};
+
+struct cpl_get_tcb {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 reply_ctrl;
+#define QUEUENO(x)    ((x) << 0)
+#define REPLY_CHAN(x) ((x) << 14)
+#define NO_REPLY(x)   ((x) << 15)
+	__be16 cookie;
+};
+
+struct cpl_set_tcb_field {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 reply_ctrl;
+	__be16 word_cookie;
+#define TCB_WORD(x)   ((x) << 0)
+#define TCB_COOKIE(x) ((x) << 5)
+	__be64 mask;
+	__be64 val;
+};
+
+struct cpl_set_tcb_rpl {
+	union opcode_tid ot;
+	__be16 rsvd;
+	u8 cookie;
+	u8 status;
+	__be64 oldval;
+};
+
+struct cpl_close_con_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 rsvd;
+};
+
+struct cpl_close_con_rpl {
+	union opcode_tid ot;
+	u8 rsvd[3];
+	u8 status;
+	__be32 snd_nxt;
+	__be32 rcv_nxt;
+};
+
+struct cpl_close_listsvr_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 reply_ctrl;
+#define LISTSVR_IPV6 (1 << 14)
+	__be16 rsvd;
+};
+
+struct cpl_close_listsvr_rpl {
+	union opcode_tid ot;
+	u8 rsvd[3];
+	u8 status;
+};
+
+struct cpl_abort_req_rss {
+	union opcode_tid ot;
+	u8 rsvd[3];
+	u8 status;
+};
+
+struct cpl_abort_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 rsvd0;
+	u8 rsvd1;
+	u8 cmd;
+	u8 rsvd2[6];
+};
+
+struct cpl_abort_rpl_rss {
+	union opcode_tid ot;
+	u8 rsvd[3];
+	u8 status;
+};
+
+struct cpl_abort_rpl {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 rsvd0;
+	u8 rsvd1;
+	u8 cmd;
+	u8 rsvd2[6];
+};
+
+struct cpl_peer_close {
+	union opcode_tid ot;
+	__be32 rcv_nxt;
+};
+
+struct cpl_tid_release {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 rsvd;
+};
+
+struct cpl_tx_pkt_core {
+	__be32 ctrl0;
+#define TXPKT_VF(x)        ((x) << 0)
+#define TXPKT_PF(x)        ((x) << 8)
+#define TXPKT_VF_VLD       (1 << 11)
+#define TXPKT_OVLAN_IDX(x) ((x) << 12)
+#define TXPKT_INTF(x)      ((x) << 16)
+#define TXPKT_INS_OVLAN    (1 << 21)
+#define TXPKT_OPCODE(x)    ((x) << 24)
+	__be16 pack;
+	__be16 len;
+	__be64 ctrl1;
+#define TXPKT_CSUM_END(x)   ((x) << 12)
+#define TXPKT_CSUM_START(x) ((x) << 20)
+#define TXPKT_IPHDR_LEN(x)  ((u64)(x) << 20)
+#define TXPKT_CSUM_LOC(x)   ((u64)(x) << 30)
+#define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
+#define TXPKT_CSUM_TYPE(x)  ((u64)(x) << 40)
+#define TXPKT_VLAN(x)       ((u64)(x) << 44)
+#define TXPKT_VLAN_VLD      (1ULL << 60)
+#define TXPKT_IPCSUM_DIS    (1ULL << 62)
+#define TXPKT_L4CSUM_DIS    (1ULL << 63)
+};
+
+struct cpl_tx_pkt {
+	WR_HDR;
+	struct cpl_tx_pkt_core c;
+};
+
+#define cpl_tx_pkt_xt cpl_tx_pkt
+
+struct cpl_tx_pkt_lso {
+	WR_HDR;
+	__be32 lso_ctrl;
+#define LSO_TCPHDR_LEN(x) ((x) << 0)
+#define LSO_IPHDR_LEN(x)  ((x) << 4)
+#define LSO_ETHHDR_LEN(x) ((x) << 16)
+#define LSO_IPV6(x)       ((x) << 20)
+#define LSO_LAST_SLICE    (1 << 22)
+#define LSO_FIRST_SLICE   (1 << 23)
+#define LSO_OPCODE(x)     ((x) << 24)
+	__be16 ipid_ofst;
+	__be16 mss;
+	__be32 seqno_offset;
+	__be32 len;
+	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
+};
+
+struct cpl_iscsi_hdr {
+	union opcode_tid ot;
+	__be16 pdu_len_ddp;
+#define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
+#define ISCSI_DDP        (1 << 15)
+	__be16 len;
+	__be32 seq;
+	__be16 urg;
+	u8 rsvd;
+	u8 status;
+};
+
+struct cpl_rx_data {
+	union opcode_tid ot;
+	__be16 rsvd;
+	__be16 len;
+	__be32 seq;
+	__be16 urg;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u8 dack_mode:2;
+	u8 psh:1;
+	u8 heartbeat:1;
+	u8 ddp_off:1;
+	u8 :3;
+#else
+	u8 :3;
+	u8 ddp_off:1;
+	u8 heartbeat:1;
+	u8 psh:1;
+	u8 dack_mode:2;
+#endif
+	u8 status;
+};
+
+struct cpl_rx_data_ack {
+	WR_HDR;
+	union opcode_tid ot;
+	__be32 credit_dack;
+#define RX_CREDITS(x)   ((x) << 0)
+#define RX_FORCE_ACK(x) ((x) << 28)
+};
+
+struct cpl_rx_pkt {
+	u8 opcode;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u8 iff:4;
+	u8 csum_calc:1;
+	u8 ipmi_pkt:1;
+	u8 vlan_ex:1;
+	u8 ip_frag:1;
+#else
+	u8 ip_frag:1;
+	u8 vlan_ex:1;
+	u8 ipmi_pkt:1;
+	u8 csum_calc:1;
+	u8 iff:4;
+#endif
+	__be16 csum;
+	__be16 vlan;
+	__be16 len;
+	__be32 l2info;
+#define RXF_UDP (1 << 22)
+#define RXF_TCP (1 << 23)
+	__be16 hdr_len;
+	__be16 err_vec;
+};
+
+struct cpl_trace_pkt {
+	u8 opcode;
+	u8 intf;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u8 runt:4;
+	u8 filter_hit:4;
+	u8 :6;
+	u8 err:1;
+	u8 trunc:1;
+#else
+	u8 filter_hit:4;
+	u8 runt:4;
+	u8 trunc:1;
+	u8 err:1;
+	u8 :6;
+#endif
+	__be16 rsvd;
+	__be16 len;
+	__be64 tstamp;
+};
+
+struct cpl_l2t_write_req {
+	WR_HDR;
+	union opcode_tid ot;
+	__be16 params;
+#define L2T_W_INFO(x)    ((x) << 2)
+#define L2T_W_PORT(x)    ((x) << 8)
+#define L2T_W_NOREPLY(x) ((x) << 15)
+	__be16 l2t_idx;
+	__be16 vlan;
+	u8 dst_mac[6];
+};
+
+struct cpl_l2t_write_rpl {
+	union opcode_tid ot;
+	u8 status;
+	u8 rsvd[3];
+};
+
+struct cpl_rdma_terminate {
+	union opcode_tid ot;
+	__be16 rsvd;
+	__be16 len;
+};
+
+struct cpl_sge_egr_update {
+	__be32 opcode_qid;
+#define EGR_QID(x) ((x) & 0x1FFFF)
+	__be16 cidx;
+	__be16 pidx;
+};
+
+struct cpl_fw4_pld {
+	u8 opcode;
+	u8 rsvd0[3];
+	u8 type;
+	u8 rsvd1;
+	__be16 len;
+	__be64 data;
+	__be64 rsvd2;
+};
+
+struct cpl_fw6_pld {
+	u8 opcode;
+	u8 rsvd[5];
+	__be16 len;
+	__be64 data[4];
+};
+
+struct cpl_fw4_msg {
+	u8 opcode;
+	u8 type;
+	__be16 rsvd0;
+	__be32 rsvd1;
+	__be64 data[2];
+};
+
+struct cpl_fw4_ack {
+	union opcode_tid ot;
+	u8 credits;
+	u8 rsvd0[2];
+	u8 seq_vld;
+	__be32 snd_nxt;
+	__be32 snd_una;
+	__be64 rsvd1;
+};
+
+struct cpl_fw6_msg {
+	u8 opcode;
+	u8 type;
+	__be16 rsvd0;
+	__be32 rsvd1;
+	__be64 data[4];
+};
+
+enum {
+	ULP_TX_MEM_READ = 2,
+	ULP_TX_MEM_WRITE = 3,
+	ULP_TX_PKT = 4
+};
+
+enum {
+	ULP_TX_SC_NOOP = 0x80,
+	ULP_TX_SC_IMM  = 0x81,
+	ULP_TX_SC_DSGL = 0x82,
+	ULP_TX_SC_ISGL = 0x83
+};
+
+struct ulptx_sge_pair {
+	__be32 len[2];
+	__be64 addr[2];
+};
+
+struct ulptx_sgl {
+	__be32 cmd_nsge;
+#define ULPTX_CMD(x) ((x) << 24)
+#define ULPTX_NSGE(x) ((x) << 0)
+	__be32 len0;
+	__be64 addr0;
+	struct ulptx_sge_pair sge[0];
+};
+
+struct ulp_mem_io {
+	WR_HDR;
+	__be32 cmd;
+#define ULP_MEMIO_ORDER(x) ((x) << 23)
+	__be32 len16;             /* command length */
+	__be32 dlen;              /* data length in 32-byte units */
+#define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
+	__be32 lock_addr;
+#define ULP_MEMIO_ADDR(x) ((x) << 0)
+#define ULP_MEMIO_LOCK(x) ((x) << 31)
+};
+
+#endif  /* __T4_MSG_H */