cxgb4: Add register, message, and FW definitions
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb4/t4_msg.h b/drivers/net/cxgb4/t4_msg.h
new file mode 100644
index 0000000..fdb1174
--- /dev/null
+++ b/drivers/net/cxgb4/t4_msg.h
@@ -0,0 +1,664 @@
+/*
+ * 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 */