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Release 4.11 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

#define MLX5_WQE_AV_EXT 0x80000000

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,
};

enum {
	
MLX5_ETH_WQE_INSERT_VLAN        = 1 << 15,
};


struct mlx5_wqe_eth_seg {
	
u8              rsvd0[4];
	
u8              cs_flags;
	
u8              rsvd1;
	
__be16          mss;
	
__be32          rsvd2;
	union {
		struct {
			
__be16 sz;
			
u8     start[2];
		} 
inline_hdr;
		struct {
			
__be16 type;
			
__be16 vlan_tci;
		} 
insert;
	};
};


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_base_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;
	};
};


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); }

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Eli Cohen32100.00%1100.00%
Total32100.00%1100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Sagi Grimberg3093.75%150.00%
Matan Barak26.25%150.00%
Total32100.00%2100.00%

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"; } }

Contributors

PersonTokensPropCommitsCommitProp
Eli Cohen100100.00%1100.00%
Total100100.00%1100.00%


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"; } }

Contributors

PersonTokensPropCommitsCommitProp
Eli Cohen76100.00%1100.00%
Total76100.00%1100.00%

#endif /* MLX5_QP_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Eli Cohen135465.54%414.81%
Sagi Grimberg26512.83%518.52%
Saeed Mahameed1246.00%518.52%
Majd Dibbiny1034.99%311.11%
Artemy Kovalyov673.24%27.41%
Tariq Toukan633.05%13.70%
Haggai Eran361.74%311.11%
Achiad Shochat311.50%13.70%
Leon Romanovsky190.92%13.70%
Matan Barak20.10%13.70%
Noa Osherovich20.10%13.70%
Total2066100.00%27100.00%
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