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diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
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+/*
+ * Copyright (c) 2007 Cisco Systems, 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 MLX4_QP_H
+#define MLX4_QP_H
+
+#include <linux/types.h>
+
+#include <linux/mlx4/device.h>
+
+#define MLX4_INVALID_LKEY 0x100
+
+enum mlx4_qp_optpar {
+ MLX4_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
+ MLX4_QP_OPTPAR_RRE = 1 << 1,
+ MLX4_QP_OPTPAR_RAE = 1 << 2,
+ MLX4_QP_OPTPAR_RWE = 1 << 3,
+ MLX4_QP_OPTPAR_PKEY_INDEX = 1 << 4,
+ MLX4_QP_OPTPAR_Q_KEY = 1 << 5,
+ MLX4_QP_OPTPAR_RNR_TIMEOUT = 1 << 6,
+ MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH = 1 << 7,
+ MLX4_QP_OPTPAR_SRA_MAX = 1 << 8,
+ MLX4_QP_OPTPAR_RRA_MAX = 1 << 9,
+ MLX4_QP_OPTPAR_PM_STATE = 1 << 10,
+ MLX4_QP_OPTPAR_RETRY_COUNT = 1 << 12,
+ MLX4_QP_OPTPAR_RNR_RETRY = 1 << 13,
+ MLX4_QP_OPTPAR_ACK_TIMEOUT = 1 << 14,
+ MLX4_QP_OPTPAR_SCHED_QUEUE = 1 << 16,
+ MLX4_QP_OPTPAR_COUNTER_INDEX = 1 << 20
+};
+
+enum mlx4_qp_state {
+ MLX4_QP_STATE_RST = 0,
+ MLX4_QP_STATE_INIT = 1,
+ MLX4_QP_STATE_RTR = 2,
+ MLX4_QP_STATE_RTS = 3,
+ MLX4_QP_STATE_SQER = 4,
+ MLX4_QP_STATE_SQD = 5,
+ MLX4_QP_STATE_ERR = 6,
+ MLX4_QP_STATE_SQ_DRAINING = 7,
+ MLX4_QP_NUM_STATE
+};
+
+enum {
+ MLX4_QP_ST_RC = 0x0,
+ MLX4_QP_ST_UC = 0x1,
+ MLX4_QP_ST_RD = 0x2,
+ MLX4_QP_ST_UD = 0x3,
+ MLX4_QP_ST_XRC = 0x6,
+ MLX4_QP_ST_MLX = 0x7
+};
+
+enum {
+ MLX4_QP_PM_MIGRATED = 0x3,
+ MLX4_QP_PM_ARMED = 0x0,
+ MLX4_QP_PM_REARM = 0x1
+};
+
+enum {
+ /* params1 */
+ MLX4_QP_BIT_SRE = 1 << 15,
+ MLX4_QP_BIT_SWE = 1 << 14,
+ MLX4_QP_BIT_SAE = 1 << 13,
+ /* params2 */
+ MLX4_QP_BIT_RRE = 1 << 15,
+ MLX4_QP_BIT_RWE = 1 << 14,
+ MLX4_QP_BIT_RAE = 1 << 13,
+ MLX4_QP_BIT_RIC = 1 << 4,
+};
+
+enum {
+ MLX4_RSS_HASH_XOR = 0,
+ MLX4_RSS_HASH_TOP = 1,
+
+ MLX4_RSS_UDP_IPV6 = 1 << 0,
+ MLX4_RSS_UDP_IPV4 = 1 << 1,
+ MLX4_RSS_TCP_IPV6 = 1 << 2,
+ MLX4_RSS_IPV6 = 1 << 3,
+ MLX4_RSS_TCP_IPV4 = 1 << 4,
+ MLX4_RSS_IPV4 = 1 << 5,
+
+ /* offset of mlx4_rss_context within mlx4_qp_context.pri_path */
+ MLX4_RSS_OFFSET_IN_QPC_PRI_PATH = 0x24,
+ /* offset of being RSS indirection QP within mlx4_qp_context.flags */
+ MLX4_RSS_QPC_FLAG_OFFSET = 13,
+};
+
+struct mlx4_rss_context {
+ __be32 base_qpn;
+ __be32 default_qpn;
+ u16 reserved;
+ u8 hash_fn;
+ u8 flags;
+ __be32 rss_key[10];
+ __be32 base_qpn_udp;
+};
+
+struct mlx4_qp_path {
+ u8 fl;
+ u8 reserved1[2];
+ u8 pkey_index;
+ u8 counter_index;
+ u8 grh_mylmc;
+ __be16 rlid;
+ u8 ackto;
+ u8 mgid_index;
+ u8 static_rate;
+ u8 hop_limit;
+ __be32 tclass_flowlabel;
+ u8 rgid[16];
+ u8 sched_queue;
+ u8 vlan_index;
+ u8 reserved3[2];
+ u8 reserved4[2];
+ u8 dmac[6];
+};
+
+struct mlx4_qp_context {
+ __be32 flags;
+ __be32 pd;
+ u8 mtu_msgmax;
+ u8 rq_size_stride;
+ u8 sq_size_stride;
+ u8 rlkey;
+ __be32 usr_page;
+ __be32 local_qpn;
+ __be32 remote_qpn;
+ struct mlx4_qp_path pri_path;
+ struct mlx4_qp_path alt_path;
+ __be32 params1;
+ u32 reserved1;
+ __be32 next_send_psn;
+ __be32 cqn_send;
+ u32 reserved2[2];
+ __be32 last_acked_psn;
+ __be32 ssn;
+ __be32 params2;
+ __be32 rnr_nextrecvpsn;
+ __be32 xrcd;
+ __be32 cqn_recv;
+ __be64 db_rec_addr;
+ __be32 qkey;
+ __be32 srqn;
+ __be32 msn;
+ __be16 rq_wqe_counter;
+ __be16 sq_wqe_counter;
+ u32 reserved3[2];
+ __be32 param3;
+ __be32 nummmcpeers_basemkey;
+ u8 log_page_size;
+ u8 reserved4[2];
+ u8 mtt_base_addr_h;
+ __be32 mtt_base_addr_l;
+ u32 reserved5[10];
+};
+
+/* Which firmware version adds support for NEC (NoErrorCompletion) bit */
+#define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)
+
+enum {
+ MLX4_WQE_CTRL_NEC = 1 << 29,
+ MLX4_WQE_CTRL_FENCE = 1 << 6,
+ MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2,
+ MLX4_WQE_CTRL_SOLICITED = 1 << 1,
+ MLX4_WQE_CTRL_IP_CSUM = 1 << 4,
+ MLX4_WQE_CTRL_TCP_UDP_CSUM = 1 << 5,
+ MLX4_WQE_CTRL_INS_VLAN = 1 << 6,
+ MLX4_WQE_CTRL_STRONG_ORDER = 1 << 7,
+ MLX4_WQE_CTRL_FORCE_LOOPBACK = 1 << 0,
+};
+
+struct mlx4_wqe_ctrl_seg {
+ __be32 owner_opcode;
+ __be16 vlan_tag;
+ u8 ins_vlan;
+ u8 fence_size;
+ /*
+ * High 24 bits are SRC remote buffer; low 8 bits are flags:
+ * [7] SO (strong ordering)
+ * [5] TCP/UDP checksum
+ * [4] IP checksum
+ * [3:2] C (generate completion queue entry)
+ * [1] SE (solicited event)
+ * [0] FL (force loopback)
+ */
+ union {
+ __be32 srcrb_flags;
+ __be16 srcrb_flags16[2];
+ };
+ /*
+ * imm is immediate data for send/RDMA write w/ immediate;
+ * also invalidation key for send with invalidate; input
+ * modifier for WQEs on CCQs.
+ */
+ __be32 imm;
+};
+
+enum {
+ MLX4_WQE_MLX_VL15 = 1 << 17,
+ MLX4_WQE_MLX_SLR = 1 << 16
+};
+
+struct mlx4_wqe_mlx_seg {
+ u8 owner;
+ u8 reserved1[2];
+ u8 opcode;
+ u8 reserved2[3];
+ u8 size;
+ /*
+ * [17] VL15
+ * [16] SLR
+ * [15:12] static rate
+ * [11:8] SL
+ * [4] ICRC
+ * [3:2] C
+ * [0] FL (force loopback)
+ */
+ __be32 flags;
+ __be16 rlid;
+ u16 reserved3;
+};
+
+struct mlx4_wqe_datagram_seg {
+ __be32 av[8];
+ __be32 dqpn;
+ __be32 qkey;
+ __be16 vlan;
+ u8 mac[6];
+};
+
+struct mlx4_wqe_lso_seg {
+ __be32 mss_hdr_size;
+ __be32 header[0];
+};
+
+struct mlx4_wqe_bind_seg {
+ __be32 flags1;
+ __be32 flags2;
+ __be32 new_rkey;
+ __be32 lkey;
+ __be64 addr;
+ __be64 length;
+};
+
+enum {
+ MLX4_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
+ MLX4_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
+ MLX4_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
+ MLX4_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
+ MLX4_WQE_FMR_PERM_ATOMIC = 1 << 31
+};
+
+struct mlx4_wqe_fmr_seg {
+ __be32 flags;
+ __be32 mem_key;
+ __be64 buf_list;
+ __be64 start_addr;
+ __be64 reg_len;
+ __be32 offset;
+ __be32 page_size;
+ u32 reserved[2];
+};
+
+struct mlx4_wqe_fmr_ext_seg {
+ u8 flags;
+ u8 reserved;
+ __be16 app_mask;
+ __be16 wire_app_tag;
+ __be16 mem_app_tag;
+ __be32 wire_ref_tag_base;
+ __be32 mem_ref_tag_base;
+};
+
+struct mlx4_wqe_local_inval_seg {
+ __be32 flags;
+ u32 reserved1;
+ __be32 mem_key;
+ u32 reserved2[2];
+ __be32 guest_id;
+ __be64 pa;
+};
+
+struct mlx4_wqe_raddr_seg {
+ __be64 raddr;
+ __be32 rkey;
+ u32 reserved;
+};
+
+struct mlx4_wqe_atomic_seg {
+ __be64 swap_add;
+ __be64 compare;
+};
+
+struct mlx4_wqe_masked_atomic_seg {
+ __be64 swap_add;
+ __be64 compare;
+ __be64 swap_add_mask;
+ __be64 compare_mask;
+};
+
+struct mlx4_wqe_data_seg {
+ __be32 byte_count;
+ __be32 lkey;
+ __be64 addr;
+};
+
+enum {
+ MLX4_INLINE_ALIGN = 64,
+ MLX4_INLINE_SEG = 1 << 31,
+};
+
+struct mlx4_wqe_inline_seg {
+ __be32 byte_count;
+};
+
+int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
+ enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
+ struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
+ int sqd_event, struct mlx4_qp *qp);
+
+int mlx4_qp_query(struct mlx4_dev *dev, struct mlx4_qp *qp,
+ struct mlx4_qp_context *context);
+
+int mlx4_qp_to_ready(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
+ struct mlx4_qp_context *context,
+ struct mlx4_qp *qp, enum mlx4_qp_state *qp_state);
+
+static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
+{
+ return radix_tree_lookup(&dev->qp_table_tree, qpn & (dev->caps.num_qps - 1));
+}
+
+void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp);
+
+#endif /* MLX4_QP_H */
generated by cgit (git 2.34.1) at 2024-12-20 19:12:59 +0000