[linux-2.6-block.git] / include / linux / mlx5 / qp.h

/*
 * Copyright (c) 2013-2015, Mellanox Technologies. 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 MLX5_QP_H
#define MLX5_QP_H

#include <linux/mlx5/device.h>
#include <linux/mlx5/driver.h>

#define MLX5_INVALID_LKEY	0x100
#define MLX5_SIG_WQE_SIZE	(MLX5_SEND_WQE_BB * 5)
#define MLX5_DIF_SIZE		8
#define MLX5_STRIDE_BLOCK_OP	0x400
#define MLX5_CPY_GRD_MASK	0xc0
#define MLX5_CPY_APP_MASK	0x30
#define MLX5_CPY_REF_MASK	0x0f
#define MLX5_BSF_INC_REFTAG	(1 << 6)
#define MLX5_BSF_INL_VALID	(1 << 15)
#define MLX5_BSF_REFRESH_DIF	(1 << 14)
#define MLX5_BSF_REPEAT_BLOCK	(1 << 7)
#define MLX5_BSF_APPTAG_ESCAPE	0x1
#define MLX5_BSF_APPREF_ESCAPE	0x2

enum mlx5_qp_optpar {
	MLX5_QP_OPTPAR_ALT_ADDR_PATH		= 1 << 0,
	MLX5_QP_OPTPAR_RRE			= 1 << 1,
	MLX5_QP_OPTPAR_RAE			= 1 << 2,
	MLX5_QP_OPTPAR_RWE			= 1 << 3,
	MLX5_QP_OPTPAR_PKEY_INDEX		= 1 << 4,
	MLX5_QP_OPTPAR_Q_KEY			= 1 << 5,
	MLX5_QP_OPTPAR_RNR_TIMEOUT		= 1 << 6,
	MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH	= 1 << 7,
	MLX5_QP_OPTPAR_SRA_MAX			= 1 << 8,
	MLX5_QP_OPTPAR_RRA_MAX			= 1 << 9,
	MLX5_QP_OPTPAR_PM_STATE			= 1 << 10,
	MLX5_QP_OPTPAR_RETRY_COUNT		= 1 << 12,
	MLX5_QP_OPTPAR_RNR_RETRY		= 1 << 13,
	MLX5_QP_OPTPAR_ACK_TIMEOUT		= 1 << 14,
	MLX5_QP_OPTPAR_PRI_PORT			= 1 << 16,
	MLX5_QP_OPTPAR_SRQN			= 1 << 18,
	MLX5_QP_OPTPAR_CQN_RCV			= 1 << 19,
	MLX5_QP_OPTPAR_DC_HS			= 1 << 20,
	MLX5_QP_OPTPAR_DC_KEY			= 1 << 21,
};

enum mlx5_qp_state {
	MLX5_QP_STATE_RST			= 0,
	MLX5_QP_STATE_INIT			= 1,
	MLX5_QP_STATE_RTR			= 2,
	MLX5_QP_STATE_RTS			= 3,
	MLX5_QP_STATE_SQER			= 4,
	MLX5_QP_STATE_SQD			= 5,
	MLX5_QP_STATE_ERR			= 6,
	MLX5_QP_STATE_SQ_DRAINING		= 7,
	MLX5_QP_STATE_SUSPENDED			= 9,
	MLX5_QP_NUM_STATE,
	MLX5_QP_STATE,
	MLX5_QP_STATE_BAD,
};

enum {
	MLX5_SQ_STATE_NA	= MLX5_SQC_STATE_ERR + 1,
	MLX5_SQ_NUM_STATE	= MLX5_SQ_STATE_NA + 1,
	MLX5_RQ_STATE_NA	= MLX5_RQC_STATE_ERR + 1,
	MLX5_RQ_NUM_STATE	= MLX5_RQ_STATE_NA + 1,
};

enum {
	MLX5_QP_ST_RC				= 0x0,
	MLX5_QP_ST_UC				= 0x1,
	MLX5_QP_ST_UD				= 0x2,
	MLX5_QP_ST_XRC				= 0x3,
	MLX5_QP_ST_MLX				= 0x4,
	MLX5_QP_ST_DCI				= 0x5,
	MLX5_QP_ST_DCT				= 0x6,
	MLX5_QP_ST_QP0				= 0x7,
	MLX5_QP_ST_QP1				= 0x8,
	MLX5_QP_ST_RAW_ETHERTYPE		= 0x9,
	MLX5_QP_ST_RAW_IPV6			= 0xa,
	MLX5_QP_ST_SNIFFER			= 0xb,
	MLX5_QP_ST_SYNC_UMR			= 0xe,
	MLX5_QP_ST_PTP_1588			= 0xd,
	MLX5_QP_ST_REG_UMR			= 0xc,
	MLX5_QP_ST_MAX
};

enum {
	MLX5_QP_PM_MIGRATED			= 0x3,
	MLX5_QP_PM_ARMED			= 0x0,
	MLX5_QP_PM_REARM			= 0x1
};

enum {
	MLX5_NON_ZERO_RQ	= 0x0,
	MLX5_SRQ_RQ		= 0x1,
	MLX5_CRQ_RQ		= 0x2,
	MLX5_ZERO_LEN_RQ	= 0x3
};

/* TODO REM */
enum {
	/* params1 */
	MLX5_QP_BIT_SRE				= 1 << 15,
	MLX5_QP_BIT_SWE				= 1 << 14,
	MLX5_QP_BIT_SAE				= 1 << 13,
	/* params2 */
	MLX5_QP_BIT_RRE				= 1 << 15,
	MLX5_QP_BIT_RWE				= 1 << 14,
	MLX5_QP_BIT_RAE				= 1 << 13,
	MLX5_QP_BIT_RIC				= 1 <<	4,
	MLX5_QP_BIT_CC_SLAVE_RECV		= 1 <<  2,
	MLX5_QP_BIT_CC_SLAVE_SEND		= 1 <<  1,
	MLX5_QP_BIT_CC_MASTER			= 1 <<  0
};

enum {
	MLX5_WQE_CTRL_CQ_UPDATE		= 2 << 2,
	MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE	= 3 << 2,
	MLX5_WQE_CTRL_SOLICITED		= 1 << 1,
};

enum {
	MLX5_SEND_WQE_DS	= 16,
	MLX5_SEND_WQE_BB	= 64,
};

#define MLX5_SEND_WQEBB_NUM_DS	(MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)

enum {
	MLX5_SEND_WQE_MAX_WQEBBS	= 16,
};

enum {
	MLX5_WQE_FMR_PERM_LOCAL_READ	= 1 << 27,
	MLX5_WQE_FMR_PERM_LOCAL_WRITE	= 1 << 28,
	MLX5_WQE_FMR_PERM_REMOTE_READ	= 1 << 29,
	MLX5_WQE_FMR_PERM_REMOTE_WRITE	= 1 << 30,
	MLX5_WQE_FMR_PERM_ATOMIC	= 1 << 31
};

enum {
	MLX5_FENCE_MODE_NONE			= 0 << 5,
	MLX5_FENCE_MODE_INITIATOR_SMALL		= 1 << 5,
	MLX5_FENCE_MODE_FENCE			= 2 << 5,
	MLX5_FENCE_MODE_STRONG_ORDERING		= 3 << 5,
	MLX5_FENCE_MODE_SMALL_AND_FENCE		= 4 << 5,
};

enum {
	MLX5_RCV_DBR	= 0,
	MLX5_SND_DBR	= 1,
};

enum {
	MLX5_FLAGS_INLINE	= 1<<7,
	MLX5_FLAGS_CHECK_FREE   = 1<<5,
};

struct mlx5_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 mlx5_wqe_ctrl_seg {
	__be32			opmod_idx_opcode;
	__be32			qpn_ds;
	u8			signature;
	u8			rsvd[2];
	u8			fm_ce_se;
	__be32			imm;
};

#define MLX5_WQE_CTRL_DS_MASK 0x3f
#define MLX5_WQE_CTRL_QPN_MASK 0xffffff00
#define MLX5_WQE_CTRL_QPN_SHIFT 8
#define MLX5_WQE_DS_UNITS 16
#define MLX5_WQE_CTRL_OPCODE_MASK 0xff
#define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
#define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8

enum {
	MLX5_ETH_WQE_L3_INNER_CSUM      = 1 << 4,
	MLX5_ETH_WQE_L4_INNER_CSUM      = 1 << 5,
	MLX5_ETH_WQE_L3_CSUM            = 1 << 6,
	MLX5_ETH_WQE_L4_CSUM            = 1 << 7,
};

struct mlx5_wqe_eth_seg {
	u8              rsvd0[4];
	u8              cs_flags;
	u8              rsvd1;
	__be16          mss;
	__be32          rsvd2;
	__be16          inline_hdr_sz;
	u8              inline_hdr_start[2];
};

struct mlx5_wqe_xrc_seg {
	__be32			xrc_srqn;
	u8			rsvd[12];
};

struct mlx5_wqe_masked_atomic_seg {
	__be64			swap_add;
	__be64			compare;
	__be64			swap_add_mask;
	__be64			compare_mask;
};

struct mlx5_av {
	union {
		struct {
			__be32	qkey;
			__be32	reserved;
		} qkey;
		__be64	dc_key;
	} key;
	__be32	dqp_dct;
	u8	stat_rate_sl;
	u8	fl_mlid;
	union {
		__be16	rlid;
		__be16  udp_sport;
	};
	u8	reserved0[4];
	u8	rmac[6];
	u8	tclass;
	u8	hop_limit;
	__be32	grh_gid_fl;
	u8	rgid[16];
};

struct mlx5_wqe_datagram_seg {
	struct mlx5_av	av;
};

struct mlx5_wqe_raddr_seg {
	__be64			raddr;
	__be32			rkey;
	u32			reserved;
};

struct mlx5_wqe_atomic_seg {
	__be64			swap_add;
	__be64			compare;
};

struct mlx5_wqe_data_seg {
	__be32			byte_count;
	__be32			lkey;
	__be64			addr;
};

struct mlx5_wqe_umr_ctrl_seg {
	u8		flags;
	u8		rsvd0[3];
	__be16		xlt_octowords;
	union {
		__be16	xlt_offset;
		__be16	bsf_octowords;
	};
	__be64		mkey_mask;
	__be32		xlt_offset_47_16;
	u8		rsvd1[28];
};

struct mlx5_seg_set_psv {
	__be32		psv_num;
	__be16		syndrome;
	__be16		status;
	__be32		transient_sig;
	__be32		ref_tag;
};

struct mlx5_seg_get_psv {
	u8		rsvd[19];
	u8		num_psv;
	__be32		l_key;
	__be64		va;
	__be32		psv_index[4];
};

struct mlx5_seg_check_psv {
	u8		rsvd0[2];
	__be16		err_coalescing_op;
	u8		rsvd1[2];
	__be16		xport_err_op;
	u8		rsvd2[2];
	__be16		xport_err_mask;
	u8		rsvd3[7];
	u8		num_psv;
	__be32		l_key;
	__be64		va;
	__be32		psv_index[4];
};

struct mlx5_rwqe_sig {
	u8	rsvd0[4];
	u8	signature;
	u8	rsvd1[11];
};

struct mlx5_wqe_signature_seg {
	u8	rsvd0[4];
	u8	signature;
	u8	rsvd1[11];
};

#define MLX5_WQE_INLINE_SEG_BYTE_COUNT_MASK 0x3ff

struct mlx5_wqe_inline_seg {
	__be32	byte_count;
};

enum mlx5_sig_type {
	MLX5_DIF_CRC = 0x1,
	MLX5_DIF_IPCS = 0x2,
};

struct mlx5_bsf_inl {
	__be16		vld_refresh;
	__be16		dif_apptag;
	__be32		dif_reftag;
	u8		sig_type;
	u8		rp_inv_seed;
	u8		rsvd[3];
	u8		dif_inc_ref_guard_check;
	__be16		dif_app_bitmask_check;
};

struct mlx5_bsf {
	struct mlx5_bsf_basic {
		u8		bsf_size_sbs;
		u8		check_byte_mask;
		union {
			u8	copy_byte_mask;
			u8	bs_selector;
			u8	rsvd_wflags;
		} wire;
		union {
			u8	bs_selector;
			u8	rsvd_mflags;
		} mem;
		__be32		raw_data_size;
		__be32		w_bfs_psv;
		__be32		m_bfs_psv;
	} basic;
	struct mlx5_bsf_ext {
		__be32		t_init_gen_pro_size;
		__be32		rsvd_epi_size;
		__be32		w_tfs_psv;
		__be32		m_tfs_psv;
	} ext;
	struct mlx5_bsf_inl	w_inl;
	struct mlx5_bsf_inl	m_inl;
};

struct mlx5_mtt {
	__be64		ptag;
};

struct mlx5_klm {
	__be32		bcount;
	__be32		key;
	__be64		va;
};

struct mlx5_stride_block_entry {
	__be16		stride;
	__be16		bcount;
	__be32		key;
	__be64		va;
};

struct mlx5_stride_block_ctrl_seg {
	__be32		bcount_per_cycle;
	__be32		op;
	__be32		repeat_count;
	u16		rsvd;
	__be16		num_entries;
};

struct mlx5_core_qp {
	struct mlx5_core_rsc_common	common; /* must be first */
	void (*event)		(struct mlx5_core_qp *, int);
	int			qpn;
	struct mlx5_rsc_debug	*dbg;
	int			pid;
};

struct mlx5_qp_path {
	u8			fl_free_ar;
	u8			rsvd3;
	__be16			pkey_index;
	u8			rsvd0;
	u8			grh_mlid;
	__be16			rlid;
	u8			ackto_lt;
	u8			mgid_index;
	u8			static_rate;
	u8			hop_limit;
	__be32			tclass_flowlabel;
	union {
		u8		rgid[16];
		u8		rip[16];
	};
	u8			f_dscp_ecn_prio;
	u8			ecn_dscp;
	__be16			udp_sport;
	u8			dci_cfi_prio_sl;
	u8			port;
	u8			rmac[6];
};

/* FIXME: use mlx5_ifc.h qpc */
struct mlx5_qp_context {
	__be32			flags;
	__be32			flags_pd;
	u8			mtu_msgmax;
	u8			rq_size_stride;
	__be16			sq_crq_size;
	__be32			qp_counter_set_usr_page;
	__be32			wire_qpn;
	__be32			log_pg_sz_remote_qpn;
	struct			mlx5_qp_path pri_path;
	struct			mlx5_qp_path alt_path;
	__be32			params1;
	u8			reserved2[4];
	__be32			next_send_psn;
	__be32			cqn_send;
	__be32			deth_sqpn;
	u8			reserved3[4];
	__be32			last_acked_psn;
	__be32			ssn;
	__be32			params2;
	__be32			rnr_nextrecvpsn;
	__be32			xrcd;
	__be32			cqn_recv;
	__be64			db_rec_addr;
	__be32			qkey;
	__be32			rq_type_srqn;
	__be32			rmsn;
	__be16			hw_sq_wqe_counter;
	__be16			sw_sq_wqe_counter;
	__be16			hw_rcyclic_byte_counter;
	__be16			hw_rq_counter;
	__be16			sw_rcyclic_byte_counter;
	__be16			sw_rq_counter;
	u8			rsvd0[5];
	u8			cgs;
	u8			cs_req;
	u8			cs_res;
	__be64			dc_access_key;
	u8			rsvd1[24];
};

static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
{
	return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
}

static inline struct mlx5_core_mkey *__mlx5_mr_lookup(struct mlx5_core_dev *dev, u32 key)
{
	return radix_tree_lookup(&dev->priv.mkey_table.tree, key);
}

int mlx5_core_create_qp(struct mlx5_core_dev *dev,
			struct mlx5_core_qp *qp,
			u32 *in,
			int inlen);
int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
			u32 opt_param_mask, void *qpc,
			struct mlx5_core_qp *qp);
int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
			 struct mlx5_core_qp *qp);
int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
		       u32 *out, int outlen);

int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
void mlx5_init_qp_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
				struct mlx5_core_qp *rq);
void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
				  struct mlx5_core_qp *rq);
int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
				struct mlx5_core_qp *sq);
void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
				  struct mlx5_core_qp *sq);
int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id);
int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
			      int reset, void *out, int out_size);
int mlx5_core_query_out_of_buffer(struct mlx5_core_dev *dev, u16 counter_id,
				  u32 *out_of_buffer);

static inline const char *mlx5_qp_type_str(int type)
{
	switch (type) {
	case MLX5_QP_ST_RC: return "RC";
	case MLX5_QP_ST_UC: return "C";
	case MLX5_QP_ST_UD: return "UD";
	case MLX5_QP_ST_XRC: return "XRC";
	case MLX5_QP_ST_MLX: return "MLX";
	case MLX5_QP_ST_QP0: return "QP0";
	case MLX5_QP_ST_QP1: return "QP1";
	case MLX5_QP_ST_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
	case MLX5_QP_ST_RAW_IPV6: return "RAW_IPV6";
	case MLX5_QP_ST_SNIFFER: return "SNIFFER";
	case MLX5_QP_ST_SYNC_UMR: return "SYNC_UMR";
	case MLX5_QP_ST_PTP_1588: return "PTP_1588";
	case MLX5_QP_ST_REG_UMR: return "REG_UMR";
	default: return "Invalid transport type";
	}
}

static inline const char *mlx5_qp_state_str(int state)
{
	switch (state) {
	case MLX5_QP_STATE_RST:
	return "RST";
	case MLX5_QP_STATE_INIT:
	return "INIT";
	case MLX5_QP_STATE_RTR:
	return "RTR";
	case MLX5_QP_STATE_RTS:
	return "RTS";
	case MLX5_QP_STATE_SQER:
	return "SQER";
	case MLX5_QP_STATE_SQD:
	return "SQD";
	case MLX5_QP_STATE_ERR:
	return "ERR";
	case MLX5_QP_STATE_SQ_DRAINING:
	return "SQ_DRAINING";
	case MLX5_QP_STATE_SUSPENDED:
	return "SUSPENDED";
	default: return "Invalid QP state";
	}
}

#endif /* MLX5_QP_H */
Commit	Line	Data
e126ba97	1	/*
302bdf68	2	* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
e126ba97 EC	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#ifndef MLX5_QP_H
	34	#define MLX5_QP_H
	35
	36	#include <linux/mlx5/device.h>
	37	#include <linux/mlx5/driver.h>
	38
	39	#define MLX5_INVALID_LKEY 0x100
e1e66cc2	40	#define MLX5_SIG_WQE_SIZE (MLX5_SEND_WQE_BB * 5)
e6631814 SG	41	#define MLX5_DIF_SIZE 8
e6631814 SG	42	#define MLX5_STRIDE_BLOCK_OP 0x400
fd22f78c SG	43	#define MLX5_CPY_GRD_MASK 0xc0
	44	#define MLX5_CPY_APP_MASK 0x30
	45	#define MLX5_CPY_REF_MASK 0x0f
142537f4 SG	46	#define MLX5_BSF_INC_REFTAG (1 << 6)
	47	#define MLX5_BSF_INL_VALID (1 << 15)
	48	#define MLX5_BSF_REFRESH_DIF (1 << 14)
	49	#define MLX5_BSF_REPEAT_BLOCK (1 << 7)
	50	#define MLX5_BSF_APPTAG_ESCAPE 0x1
	51	#define MLX5_BSF_APPREF_ESCAPE 0x2
e126ba97 EC	52
	53	enum mlx5_qp_optpar {
	54	MLX5_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
	55	MLX5_QP_OPTPAR_RRE = 1 << 1,
	56	MLX5_QP_OPTPAR_RAE = 1 << 2,
	57	MLX5_QP_OPTPAR_RWE = 1 << 3,
	58	MLX5_QP_OPTPAR_PKEY_INDEX = 1 << 4,
	59	MLX5_QP_OPTPAR_Q_KEY = 1 << 5,
	60	MLX5_QP_OPTPAR_RNR_TIMEOUT = 1 << 6,
	61	MLX5_QP_OPTPAR_PRIMARY_ADDR_PATH = 1 << 7,
	62	MLX5_QP_OPTPAR_SRA_MAX = 1 << 8,
	63	MLX5_QP_OPTPAR_RRA_MAX = 1 << 9,
	64	MLX5_QP_OPTPAR_PM_STATE = 1 << 10,
	65	MLX5_QP_OPTPAR_RETRY_COUNT = 1 << 12,
	66	MLX5_QP_OPTPAR_RNR_RETRY = 1 << 13,
	67	MLX5_QP_OPTPAR_ACK_TIMEOUT = 1 << 14,
	68	MLX5_QP_OPTPAR_PRI_PORT = 1 << 16,
	69	MLX5_QP_OPTPAR_SRQN = 1 << 18,
	70	MLX5_QP_OPTPAR_CQN_RCV = 1 << 19,
	71	MLX5_QP_OPTPAR_DC_HS = 1 << 20,
	72	MLX5_QP_OPTPAR_DC_KEY = 1 << 21,
	73	};
	74
	75	enum mlx5_qp_state {
	76	MLX5_QP_STATE_RST = 0,
	77	MLX5_QP_STATE_INIT = 1,
	78	MLX5_QP_STATE_RTR = 2,
	79	MLX5_QP_STATE_RTS = 3,
	80	MLX5_QP_STATE_SQER = 4,
	81	MLX5_QP_STATE_SQD = 5,
	82	MLX5_QP_STATE_ERR = 6,
	83	MLX5_QP_STATE_SQ_DRAINING = 7,
	84	MLX5_QP_STATE_SUSPENDED = 9,
6d2f89df	85	MLX5_QP_NUM_STATE,
	86	MLX5_QP_STATE,
	87	MLX5_QP_STATE_BAD,
	88	};
	89
	90	enum {
	91	MLX5_SQ_STATE_NA = MLX5_SQC_STATE_ERR + 1,
	92	MLX5_SQ_NUM_STATE = MLX5_SQ_STATE_NA + 1,
	93	MLX5_RQ_STATE_NA = MLX5_RQC_STATE_ERR + 1,
	94	MLX5_RQ_NUM_STATE = MLX5_RQ_STATE_NA + 1,
e126ba97 EC	95	};
	96
	97	enum {
	98	MLX5_QP_ST_RC = 0x0,
	99	MLX5_QP_ST_UC = 0x1,
	100	MLX5_QP_ST_UD = 0x2,
	101	MLX5_QP_ST_XRC = 0x3,
	102	MLX5_QP_ST_MLX = 0x4,
	103	MLX5_QP_ST_DCI = 0x5,
	104	MLX5_QP_ST_DCT = 0x6,
	105	MLX5_QP_ST_QP0 = 0x7,
	106	MLX5_QP_ST_QP1 = 0x8,
	107	MLX5_QP_ST_RAW_ETHERTYPE = 0x9,
	108	MLX5_QP_ST_RAW_IPV6 = 0xa,
	109	MLX5_QP_ST_SNIFFER = 0xb,
	110	MLX5_QP_ST_SYNC_UMR = 0xe,
	111	MLX5_QP_ST_PTP_1588 = 0xd,
	112	MLX5_QP_ST_REG_UMR = 0xc,
	113	MLX5_QP_ST_MAX
	114	};
	115
	116	enum {
	117	MLX5_QP_PM_MIGRATED = 0x3,
	118	MLX5_QP_PM_ARMED = 0x0,
	119	MLX5_QP_PM_REARM = 0x1
	120	};
	121
	122	enum {
09a7d9ec SM	123	MLX5_NON_ZERO_RQ = 0x0,
	124	MLX5_SRQ_RQ = 0x1,
	125	MLX5_CRQ_RQ = 0x2,
	126	MLX5_ZERO_LEN_RQ = 0x3
e126ba97 EC	127	};
e126ba97 EC	128
09a7d9ec	129	/* TODO REM */
e126ba97 EC	130	enum {
	131	/* params1 */
	132	MLX5_QP_BIT_SRE = 1 << 15,
	133	MLX5_QP_BIT_SWE = 1 << 14,
	134	MLX5_QP_BIT_SAE = 1 << 13,
	135	/* params2 */
	136	MLX5_QP_BIT_RRE = 1 << 15,
	137	MLX5_QP_BIT_RWE = 1 << 14,
	138	MLX5_QP_BIT_RAE = 1 << 13,
	139	MLX5_QP_BIT_RIC = 1 << 4,
051f2630 LR	140	MLX5_QP_BIT_CC_SLAVE_RECV = 1 << 2,
	141	MLX5_QP_BIT_CC_SLAVE_SEND = 1 << 1,
	142	MLX5_QP_BIT_CC_MASTER = 1 << 0
e126ba97 EC	143	};
	144
	145	enum {
	146	MLX5_WQE_CTRL_CQ_UPDATE = 2 << 2,
e281682b	147	MLX5_WQE_CTRL_CQ_UPDATE_AND_EQE = 3 << 2,
e126ba97 EC	148	MLX5_WQE_CTRL_SOLICITED = 1 << 1,
	149	};
	150
	151	enum {
e281682b	152	MLX5_SEND_WQE_DS = 16,
e126ba97 EC	153	MLX5_SEND_WQE_BB = 64,
	154	};
	155
e281682b SM	156	#define MLX5_SEND_WQEBB_NUM_DS (MLX5_SEND_WQE_BB / MLX5_SEND_WQE_DS)
	157
	158	enum {
	159	MLX5_SEND_WQE_MAX_WQEBBS = 16,
	160	};
	161
e126ba97 EC	162	enum {
	163	MLX5_WQE_FMR_PERM_LOCAL_READ = 1 << 27,
	164	MLX5_WQE_FMR_PERM_LOCAL_WRITE = 1 << 28,
	165	MLX5_WQE_FMR_PERM_REMOTE_READ = 1 << 29,
	166	MLX5_WQE_FMR_PERM_REMOTE_WRITE = 1 << 30,
	167	MLX5_WQE_FMR_PERM_ATOMIC = 1 << 31
	168	};
	169
	170	enum {
	171	MLX5_FENCE_MODE_NONE = 0 << 5,
	172	MLX5_FENCE_MODE_INITIATOR_SMALL = 1 << 5,
c9b25495	173	MLX5_FENCE_MODE_FENCE = 2 << 5,
e126ba97 EC	174	MLX5_FENCE_MODE_STRONG_ORDERING = 3 << 5,
	175	MLX5_FENCE_MODE_SMALL_AND_FENCE = 4 << 5,
	176	};
	177
e126ba97 EC	178	enum {
	179	MLX5_RCV_DBR = 0,
	180	MLX5_SND_DBR = 1,
	181	};
	182
e6631814 SG	183	enum {
	184	MLX5_FLAGS_INLINE = 1<<7,
	185	MLX5_FLAGS_CHECK_FREE = 1<<5,
	186	};
	187
e126ba97 EC	188	struct mlx5_wqe_fmr_seg {
	189	__be32 flags;
	190	__be32 mem_key;
	191	__be64 buf_list;
	192	__be64 start_addr;
	193	__be64 reg_len;
	194	__be32 offset;
	195	__be32 page_size;
	196	u32 reserved[2];
	197	};
	198
	199	struct mlx5_wqe_ctrl_seg {
	200	__be32 opmod_idx_opcode;
	201	__be32 qpn_ds;
	202	u8 signature;
	203	u8 rsvd[2];
	204	u8 fm_ce_se;
	205	__be32 imm;
	206	};
	207
c1395a2a	208	#define MLX5_WQE_CTRL_DS_MASK 0x3f
7bdf65d4 HE	209	#define MLX5_WQE_CTRL_QPN_MASK 0xffffff00
7bdf65d4 HE	210	#define MLX5_WQE_CTRL_QPN_SHIFT 8
c1395a2a	211	#define MLX5_WQE_DS_UNITS 16
7bdf65d4 HE	212	#define MLX5_WQE_CTRL_OPCODE_MASK 0xff
	213	#define MLX5_WQE_CTRL_WQE_INDEX_MASK 0x00ffff00
	214	#define MLX5_WQE_CTRL_WQE_INDEX_SHIFT 8
c1395a2a	215
e281682b SM	216	enum {
	217	MLX5_ETH_WQE_L3_INNER_CSUM = 1 << 4,
	218	MLX5_ETH_WQE_L4_INNER_CSUM = 1 << 5,
	219	MLX5_ETH_WQE_L3_CSUM = 1 << 6,
	220	MLX5_ETH_WQE_L4_CSUM = 1 << 7,
	221	};
	222
	223	struct mlx5_wqe_eth_seg {
	224	u8 rsvd0[4];
	225	u8 cs_flags;
	226	u8 rsvd1;
	227	__be16 mss;
	228	__be32 rsvd2;
	229	__be16 inline_hdr_sz;
	230	u8 inline_hdr_start[2];
	231	};
	232
e126ba97 EC	233	struct mlx5_wqe_xrc_seg {
	234	__be32 xrc_srqn;
	235	u8 rsvd[12];
	236	};
	237
	238	struct mlx5_wqe_masked_atomic_seg {
	239	__be64 swap_add;
	240	__be64 compare;
	241	__be64 swap_add_mask;
	242	__be64 compare_mask;
	243	};
	244
	245	struct mlx5_av {
	246	union {
	247	struct {
	248	__be32 qkey;
	249	__be32 reserved;
	250	} qkey;
	251	__be64 dc_key;
	252	} key;
	253	__be32 dqp_dct;
	254	u8 stat_rate_sl;
	255	u8 fl_mlid;
2811ba51 AS	256	union {
	257	__be16 rlid;
	258	__be16 udp_sport;
	259	};
	260	u8 reserved0[4];
	261	u8 rmac[6];
e126ba97 EC	262	u8 tclass;
	263	u8 hop_limit;
	264	__be32 grh_gid_fl;
	265	u8 rgid[16];
	266	};
	267
	268	struct mlx5_wqe_datagram_seg {
	269	struct mlx5_av av;
	270	};
	271
	272	struct mlx5_wqe_raddr_seg {
	273	__be64 raddr;
	274	__be32 rkey;
	275	u32 reserved;
	276	};
	277
	278	struct mlx5_wqe_atomic_seg {
	279	__be64 swap_add;
	280	__be64 compare;
	281	};
	282
	283	struct mlx5_wqe_data_seg {
	284	__be32 byte_count;
	285	__be32 lkey;
	286	__be64 addr;
	287	};
	288
	289	struct mlx5_wqe_umr_ctrl_seg {
	290	u8 flags;
	291	u8 rsvd0[3];
31616255 AK	292	__be16 xlt_octowords;
	293	union {
	294	__be16 xlt_offset;
	295	__be16 bsf_octowords;
	296	};
e126ba97	297	__be64 mkey_mask;
31616255 AK	298	__be32 xlt_offset_47_16;
31616255 AK	299	u8 rsvd1[28];
e126ba97 EC	300	};
	301
	302	struct mlx5_seg_set_psv {
	303	__be32 psv_num;
	304	__be16 syndrome;
	305	__be16 status;
	306	__be32 transient_sig;
	307	__be32 ref_tag;
	308	};
	309
	310	struct mlx5_seg_get_psv {
	311	u8 rsvd[19];
	312	u8 num_psv;
	313	__be32 l_key;
	314	__be64 va;
	315	__be32 psv_index[4];
	316	};
	317
	318	struct mlx5_seg_check_psv {
	319	u8 rsvd0[2];
	320	__be16 err_coalescing_op;
	321	u8 rsvd1[2];
	322	__be16 xport_err_op;
	323	u8 rsvd2[2];
	324	__be16 xport_err_mask;
	325	u8 rsvd3[7];
	326	u8 num_psv;
	327	__be32 l_key;
	328	__be64 va;
	329	__be32 psv_index[4];
	330	};
	331
	332	struct mlx5_rwqe_sig {
	333	u8 rsvd0[4];
	334	u8 signature;
	335	u8 rsvd1[11];
	336	};
	337
	338	struct mlx5_wqe_signature_seg {
	339	u8 rsvd0[4];
	340	u8 signature;
	341	u8 rsvd1[11];
	342	};
	343
7bdf65d4 HE	344	#define MLX5_WQE_INLINE_SEG_BYTE_COUNT_MASK 0x3ff
7bdf65d4 HE	345
e126ba97 EC	346	struct mlx5_wqe_inline_seg {
	347	__be32 byte_count;
	348	};
	349
142537f4 SG	350	enum mlx5_sig_type {
	351	MLX5_DIF_CRC = 0x1,
	352	MLX5_DIF_IPCS = 0x2,
	353	};
	354
	355	struct mlx5_bsf_inl {
	356	__be16 vld_refresh;
	357	__be16 dif_apptag;
	358	__be32 dif_reftag;
	359	u8 sig_type;
	360	u8 rp_inv_seed;
	361	u8 rsvd[3];
	362	u8 dif_inc_ref_guard_check;
	363	__be16 dif_app_bitmask_check;
	364	};
	365
e6631814 SG	366	struct mlx5_bsf {
	367	struct mlx5_bsf_basic {
	368	u8 bsf_size_sbs;
	369	u8 check_byte_mask;
	370	union {
	371	u8 copy_byte_mask;
	372	u8 bs_selector;
	373	u8 rsvd_wflags;
	374	} wire;
	375	union {
	376	u8 bs_selector;
	377	u8 rsvd_mflags;
	378	} mem;
	379	__be32 raw_data_size;
	380	__be32 w_bfs_psv;
	381	__be32 m_bfs_psv;
	382	} basic;
	383	struct mlx5_bsf_ext {
	384	__be32 t_init_gen_pro_size;
	385	__be32 rsvd_epi_size;
	386	__be32 w_tfs_psv;
	387	__be32 m_tfs_psv;
	388	} ext;
142537f4 SG	389	struct mlx5_bsf_inl w_inl;
142537f4 SG	390	struct mlx5_bsf_inl m_inl;
e6631814 SG	391	};
e6631814 SG	392
31616255 AK	393	struct mlx5_mtt {
	394	__be64 ptag;
	395	};
	396
e6631814 SG	397	struct mlx5_klm {
	398	__be32 bcount;
	399	__be32 key;
	400	__be64 va;
	401	};
	402
	403	struct mlx5_stride_block_entry {
	404	__be16 stride;
	405	__be16 bcount;
	406	__be32 key;
	407	__be64 va;
	408	};
	409
	410	struct mlx5_stride_block_ctrl_seg {
	411	__be32 bcount_per_cycle;
	412	__be32 op;
	413	__be32 repeat_count;
	414	u16 rsvd;
	415	__be16 num_entries;
	416	};
	417
e126ba97	418	struct mlx5_core_qp {
5903325a	419	struct mlx5_core_rsc_common common; /* must be first */
e126ba97 EC	420	void (event) (struct mlx5_core_qp , int);
e126ba97 EC	421	int qpn;
e126ba97 EC	422	struct mlx5_rsc_debug *dbg;
	423	int pid;
	424	};
	425
	426	struct mlx5_qp_path {
d3ae2bde	427	u8 fl_free_ar;
e126ba97	428	u8 rsvd3;
d3ae2bde	429	__be16 pkey_index;
e126ba97 EC	430	u8 rsvd0;
	431	u8 grh_mlid;
	432	__be16 rlid;
	433	u8 ackto_lt;
	434	u8 mgid_index;
	435	u8 static_rate;
	436	u8 hop_limit;
	437	__be32 tclass_flowlabel;
2811ba51 AS	438	union {
	439	u8 rgid[16];
	440	u8 rip[16];
	441	};
	442	u8 f_dscp_ecn_prio;
	443	u8 ecn_dscp;
	444	__be16 udp_sport;
	445	u8 dci_cfi_prio_sl;
e126ba97	446	u8 port;
2811ba51	447	u8 rmac[6];
e126ba97 EC	448	};
e126ba97 EC	449
1a412fb1	450	/* FIXME: use mlx5_ifc.h qpc */
e126ba97 EC	451	struct mlx5_qp_context {
	452	__be32 flags;
	453	__be32 flags_pd;
	454	u8 mtu_msgmax;
	455	u8 rq_size_stride;
	456	__be16 sq_crq_size;
	457	__be32 qp_counter_set_usr_page;
	458	__be32 wire_qpn;
	459	__be32 log_pg_sz_remote_qpn;
	460	struct mlx5_qp_path pri_path;
	461	struct mlx5_qp_path alt_path;
	462	__be32 params1;
	463	u8 reserved2[4];
	464	__be32 next_send_psn;
	465	__be32 cqn_send;
b11a4f9c HE	466	__be32 deth_sqpn;
b11a4f9c HE	467	u8 reserved3[4];
e126ba97 EC	468	__be32 last_acked_psn;
	469	__be32 ssn;
	470	__be32 params2;
	471	__be32 rnr_nextrecvpsn;
	472	__be32 xrcd;
	473	__be32 cqn_recv;
	474	__be64 db_rec_addr;
	475	__be32 qkey;
	476	__be32 rq_type_srqn;
	477	__be32 rmsn;
	478	__be16 hw_sq_wqe_counter;
	479	__be16 sw_sq_wqe_counter;
	480	__be16 hw_rcyclic_byte_counter;
	481	__be16 hw_rq_counter;
	482	__be16 sw_rcyclic_byte_counter;
	483	__be16 sw_rq_counter;
	484	u8 rsvd0[5];
	485	u8 cgs;
	486	u8 cs_req;
	487	u8 cs_res;
	488	__be64 dc_access_key;
	489	u8 rsvd1[24];
	490	};
	491
e126ba97 EC	492	static inline struct mlx5_core_qp __mlx5_qp_lookup(struct mlx5_core_dev dev, u32 qpn)
	493	{
	494	return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
	495	}
	496
a606b0f6	497	static inline struct mlx5_core_mkey __mlx5_mr_lookup(struct mlx5_core_dev dev, u32 key)
d5436ba0	498	{
a606b0f6	499	return radix_tree_lookup(&dev->priv.mkey_table.tree, key);
d5436ba0 SG	500	}
d5436ba0 SG	501
e126ba97 EC	502	int mlx5_core_create_qp(struct mlx5_core_dev *dev,
e126ba97 EC	503	struct mlx5_core_qp *qp,
09a7d9ec	504	u32 *in,
e126ba97	505	int inlen);
1a412fb1 SM	506	int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
1a412fb1 SM	507	u32 opt_param_mask, void *qpc,
e126ba97 EC	508	struct mlx5_core_qp *qp);
	509	int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
	510	struct mlx5_core_qp *qp);
	511	int mlx5_core_qp_query(struct mlx5_core_dev dev, struct mlx5_core_qp qp,
09a7d9ec	512	u32 *out, int outlen);
e126ba97 EC	513
	514	int mlx5_core_xrcd_alloc(struct mlx5_core_dev dev, u32 xrcdn);
	515	int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
	516	void mlx5_init_qp_table(struct mlx5_core_dev *dev);
	517	void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
	518	int mlx5_debug_qp_add(struct mlx5_core_dev dev, struct mlx5_core_qp qp);
	519	void mlx5_debug_qp_remove(struct mlx5_core_dev dev, struct mlx5_core_qp qp);
e2013b21	520	int mlx5_core_create_rq_tracked(struct mlx5_core_dev dev, u32 in, int inlen,
	521	struct mlx5_core_qp *rq);
	522	void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
	523	struct mlx5_core_qp *rq);
	524	int mlx5_core_create_sq_tracked(struct mlx5_core_dev dev, u32 in, int inlen,
	525	struct mlx5_core_qp *sq);
	526	void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
	527	struct mlx5_core_qp *sq);
237cd218 TT	528	int mlx5_core_alloc_q_counter(struct mlx5_core_dev dev, u16 counter_id);
	529	int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
	530	int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
	531	int reset, void *out, int out_size);
	532	int mlx5_core_query_out_of_buffer(struct mlx5_core_dev *dev, u16 counter_id,
	533	u32 *out_of_buffer);
e126ba97	534
db81a5c3 EC	535	static inline const char *mlx5_qp_type_str(int type)
	536	{
	537	switch (type) {
	538	case MLX5_QP_ST_RC: return "RC";
	539	case MLX5_QP_ST_UC: return "C";
	540	case MLX5_QP_ST_UD: return "UD";
	541	case MLX5_QP_ST_XRC: return "XRC";
	542	case MLX5_QP_ST_MLX: return "MLX";
	543	case MLX5_QP_ST_QP0: return "QP0";
	544	case MLX5_QP_ST_QP1: return "QP1";
	545	case MLX5_QP_ST_RAW_ETHERTYPE: return "RAW_ETHERTYPE";
	546	case MLX5_QP_ST_RAW_IPV6: return "RAW_IPV6";
	547	case MLX5_QP_ST_SNIFFER: return "SNIFFER";
	548	case MLX5_QP_ST_SYNC_UMR: return "SYNC_UMR";
	549	case MLX5_QP_ST_PTP_1588: return "PTP_1588";
	550	case MLX5_QP_ST_REG_UMR: return "REG_UMR";
	551	default: return "Invalid transport type";
	552	}
	553	}
	554
	555	static inline const char *mlx5_qp_state_str(int state)
	556	{
	557	switch (state) {
	558	case MLX5_QP_STATE_RST:
	559	return "RST";
	560	case MLX5_QP_STATE_INIT:
	561	return "INIT";
	562	case MLX5_QP_STATE_RTR:
	563	return "RTR";
	564	case MLX5_QP_STATE_RTS:
	565	return "RTS";
	566	case MLX5_QP_STATE_SQER:
	567	return "SQER";
	568	case MLX5_QP_STATE_SQD:
	569	return "SQD";
	570	case MLX5_QP_STATE_ERR:
	571	return "ERR";
	572	case MLX5_QP_STATE_SQ_DRAINING:
	573	return "SQ_DRAINING";
	574	case MLX5_QP_STATE_SUSPENDED:
	575	return "SUSPENDED";
	576	default: return "Invalid QP state";
	577	}
	578	}
	579
e126ba97	580	#endif /* MLX5_QP_H */