Release 4.16 drivers/net/ethernet/mellanox/mlx5/core/transobj.c

Directory: drivers/net/ethernet/mellanox/mlx5/core
/*
 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  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.
 */

#include <linux/mlx5/driver.h>
#include "mlx5_core.h"
#include <linux/mlx5/transobj.h>



int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn)
{
	u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
	int err;

	MLX5_SET(alloc_transport_domain_in, in, opcode,
		 MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);

	err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
	if (!err)
		*tdn = MLX5_GET(alloc_transport_domain_out, out,
				transport_domain);

	return err;
}
Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 85 89.47% 1 33.33%
Saeed Mahameed 9 9.47% 1 33.33%
Majd Dibbiny 1 1.05% 1 33.33%
Total 95 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_alloc_transport_domain);



void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn)
{
	u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0};

	MLX5_SET(dealloc_transport_domain_in, in, opcode,
		 MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
	MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 70 87.50% 1 33.33%
Saeed Mahameed 9 11.25% 1 33.33%
Majd Dibbiny 1 1.25% 1 33.33%
Total 80 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_dealloc_transport_domain);



int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
{
	u32 out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
	int err;

	MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*rqn = MLX5_GET(create_rq_out, out, rqn);

	return err;
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 80 93.02% 1 33.33%
Saeed Mahameed 5 5.81% 1 33.33%
Haggai Abramonvsky 1 1.16% 1 33.33%
Total 86 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_create_rq);



int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_rq_out)];

	MLX5_SET(modify_rq_in, in, rqn, rqn);
	MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);

	memset(out, 0, sizeof(out));
	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 78 97.50% 1 33.33%
Saeed Mahameed 1 1.25% 1 33.33%
Haggai Abramonvsky 1 1.25% 1 33.33%
Total 80 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_modify_rq);



void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_rq_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {0};

	MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
	MLX5_SET(destroy_rq_in, in, rqn, rqn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 70 87.50% 1 33.33%
Saeed Mahameed 9 11.25% 1 33.33%
Haggai Abramonvsky 1 1.25% 1 33.33%
Total 80 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_destroy_rq);



int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out)
{
	u32 in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
	int outlen = MLX5_ST_SZ_BYTES(query_rq_out);

	MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
	MLX5_SET(query_rq_in, in, rqn, rqn);

	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
}
Contributors
Person Tokens Prop Commits CommitProp
Majd Dibbiny 76 98.70% 1 50.00%
Saeed Mahameed 1 1.30% 1 50.00%
Total 77 100.00% 2 100.00%

EXPORT_SYMBOL(mlx5_core_query_rq);



int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
{
	u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
	int err;

	MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*sqn = MLX5_GET(create_sq_out, out, sqn);

	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 80 93.02% 1 33.33%
Saeed Mahameed 5 5.81% 1 33.33%
Haggai Abramonvsky 1 1.16% 1 33.33%
Total 86 100.00% 3 100.00%



int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};

	MLX5_SET(modify_sq_in, in, sqn, sqn);
	MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 66 91.67% 1 33.33%
Saeed Mahameed 5 6.94% 1 33.33%
Haggai Abramonvsky 1 1.39% 1 33.33%
Total 72 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_modify_sq);



void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_sq_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {0};

	MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
	MLX5_SET(destroy_sq_in, in, sqn, sqn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 70 87.50% 1 33.33%
Saeed Mahameed 9 11.25% 1 33.33%
Haggai Abramonvsky 1 1.25% 1 33.33%
Total 80 100.00% 3 100.00%



int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out)
{
	u32 in[MLX5_ST_SZ_DW(query_sq_in)] = {0};
	int outlen = MLX5_ST_SZ_BYTES(query_sq_out);

	MLX5_SET(query_sq_in, in, opcode, MLX5_CMD_OP_QUERY_SQ);
	MLX5_SET(query_sq_in, in, sqn, sqn);
	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
}
Contributors
Person Tokens Prop Commits CommitProp
Majd Dibbiny 76 98.70% 1 50.00%
Saeed Mahameed 1 1.30% 1 50.00%
Total 77 100.00% 2 100.00%

EXPORT_SYMBOL(mlx5_core_query_sq);



int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
			 u32 *tirn)
{
	u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {0};
	int err;

	MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);

	memset(out, 0, sizeof(out));
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*tirn = MLX5_GET(create_tir_out, out, tirn);

	return err;
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 92 93.88% 1 33.33%
Saeed Mahameed 5 5.10% 1 33.33%
Haggai Abramonvsky 1 1.02% 1 33.33%
Total 98 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_create_tir);



int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
			 int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};

	MLX5_SET(modify_tir_in, in, tirn, tirn);
	MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 67 93.06% 1 50.00%
Saeed Mahameed 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_tir_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {0};

	MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
	MLX5_SET(destroy_tir_in, in, tirn, tirn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 69 86.25% 1 25.00%
Saeed Mahameed 10 12.50% 2 50.00%
Haggai Abramonvsky 1 1.25% 1 25.00%
Total 80 100.00% 4 100.00%

EXPORT_SYMBOL(mlx5_core_destroy_tir);



int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
			 u32 *tisn)
{
	u32 out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
	int err;

	MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*tisn = MLX5_GET(create_tis_out, out, tisn);

	return err;
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 80 93.02% 1 33.33%
Saeed Mahameed 5 5.81% 1 33.33%
Haggai Abramonvsky 1 1.16% 1 33.33%
Total 86 100.00% 3 100.00%

EXPORT_SYMBOL(mlx5_core_create_tis);



int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
			 int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_tis_out)] = {0};

	MLX5_SET(modify_tis_in, in, tisn, tisn);
	MLX5_SET(modify_tis_in, in, opcode, MLX5_CMD_OP_MODIFY_TIS);

	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Majd Dibbiny 71 98.61% 1 50.00%
Saeed Mahameed 1 1.39% 1 50.00%
Total 72 100.00% 2 100.00%

EXPORT_SYMBOL(mlx5_core_modify_tis);



void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_tis_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_tis_out)] = {0};

	MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
	MLX5_SET(destroy_tis_in, in, tisn, tisn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Amir Vadai 69 86.25% 1 25.00%
Saeed Mahameed 10 12.50% 2 50.00%
Haggai Abramonvsky 1 1.25% 1 25.00%
Total 80 100.00% 4 100.00%

EXPORT_SYMBOL(mlx5_core_destroy_tis);



int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
			 u32 *rmpn)
{
	u32 out[MLX5_ST_SZ_DW(create_rmp_out)] = {0};
	int err;

	MLX5_SET(create_rmp_in, in, opcode, MLX5_CMD_OP_CREATE_RMP);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*rmpn = MLX5_GET(create_rmp_out, out, rmpn);

	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 81 94.19% 1 50.00%
Saeed Mahameed 5 5.81% 1 50.00%
Total 86 100.00% 2 100.00%



int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_rmp_out)] = {0};

	MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 53 91.38% 1 50.00%
Saeed Mahameed 5 8.62% 1 50.00%
Total 58 100.00% 2 100.00%



int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_rmp_out)] = {0};

	MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
	MLX5_SET(destroy_rmp_in, in, rmpn, rmpn);
	return mlx5_cmd_exec(dev, in, sizeof(in), out,
					  sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 72 88.89% 1 50.00%
Saeed Mahameed 9 11.11% 1 50.00%
Total 81 100.00% 2 100.00%



int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out)
{
	u32 in[MLX5_ST_SZ_DW(query_rmp_in)] = {0};
	int outlen = MLX5_ST_SZ_BYTES(query_rmp_out);

	MLX5_SET(query_rmp_in, in, opcode, MLX5_CMD_OP_QUERY_RMP);
	MLX5_SET(query_rmp_in, in, rmpn,   rmpn);
	return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 72 93.51% 1 50.00%
Saeed Mahameed 5 6.49% 1 50.00%
Total 77 100.00% 2 100.00%



int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm)
{
	void *in;
	void *rmpc;
	void *wq;
	void *bitmask;
	int  err;

	in = kvzalloc(MLX5_ST_SZ_BYTES(modify_rmp_in), GFP_KERNEL);
	if (!in)
		return -ENOMEM;

	rmpc    = MLX5_ADDR_OF(modify_rmp_in,   in,   ctx);
	bitmask = MLX5_ADDR_OF(modify_rmp_in,   in,   bitmask);
	wq      = MLX5_ADDR_OF(rmpc,	        rmpc, wq);

	MLX5_SET(modify_rmp_in, in,	 rmp_state, MLX5_RMPC_STATE_RDY);
	MLX5_SET(modify_rmp_in, in,	 rmpn,      rmpn);
	MLX5_SET(wq,		wq,	 lwm,	    lwm);
	MLX5_SET(rmp_bitmask,	bitmask, lwm,	    1);
	MLX5_SET(rmpc,		rmpc,	 state,	    MLX5_RMPC_STATE_RDY);

	err =  mlx5_core_modify_rmp(dev, in, MLX5_ST_SZ_BYTES(modify_rmp_in));

	kvfree(in);

	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 163 98.19% 1 50.00%
Leon Romanovsky 3 1.81% 1 50.00%
Total 166 100.00% 2 100.00%



int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
			  u32 *xsrqn)
{
	u32 out[MLX5_ST_SZ_DW(create_xrc_srq_out)] = {0};
	int err;

	MLX5_SET(create_xrc_srq_in, in, opcode,     MLX5_CMD_OP_CREATE_XRC_SRQ);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*xsrqn = MLX5_GET(create_xrc_srq_out, out, xrc_srqn);

	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 81 94.19% 1 50.00%
Saeed Mahameed 5 5.81% 1 50.00%
Total 86 100.00% 2 100.00%



int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 xsrqn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_xrc_srq_out)] = {0};

	MLX5_SET(destroy_xrc_srq_in, in, opcode,   MLX5_CMD_OP_DESTROY_XRC_SRQ);
	MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, xsrqn);
	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 72 88.89% 1 50.00%
Saeed Mahameed 9 11.11% 1 50.00%
Total 81 100.00% 2 100.00%



int mlx5_core_query_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u32 *out)
{
	u32 in[MLX5_ST_SZ_DW(query_xrc_srq_in)] = {0};
	void *srqc;
	void *xrc_srqc;
	int err;

	MLX5_SET(query_xrc_srq_in, in, opcode,   MLX5_CMD_OP_QUERY_XRC_SRQ);
	MLX5_SET(query_xrc_srq_in, in, xrc_srqn, xsrqn);
	err = mlx5_cmd_exec(dev, in, sizeof(in), out,
			    MLX5_ST_SZ_BYTES(query_xrc_srq_out));
	if (!err) {
		xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, out,
					xrc_srq_context_entry);
		srqc = MLX5_ADDR_OF(query_srq_out, out, srq_context_entry);
		memcpy(srqc, xrc_srqc, MLX5_ST_SZ_BYTES(srqc));
	}

	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 123 96.09% 1 50.00%
Saeed Mahameed 5 3.91% 1 50.00%
Total 128 100.00% 2 100.00%



int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 xsrqn, u16 lwm)
{
	u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(arm_xrc_srq_out)] = {0};

	MLX5_SET(arm_xrc_srq_in, in, opcode,   MLX5_CMD_OP_ARM_XRC_SRQ);
	MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, xsrqn);
	MLX5_SET(arm_xrc_srq_in, in, lwm,      lwm);
	MLX5_SET(arm_xrc_srq_in, in, op_mod,
		 MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Haggai Abramonvsky 97 91.51% 1 50.00%
Saeed Mahameed 9 8.49% 1 50.00%
Total 106 100.00% 2 100.00%



int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
			 u32 *rqtn)
{
	u32 out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
	int err;

	MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
	err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
	if (!err)
		*rqtn = MLX5_GET(create_rqt_out, out, rqtn);

	return err;
}
Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 81 94.19% 1 50.00%
Saeed Mahameed 5 5.81% 1 50.00%
Total 86 100.00% 2 100.00%

EXPORT_SYMBOL(mlx5_core_create_rqt);



int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
			 int inlen)
{
	u32 out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};

	MLX5_SET(modify_rqt_in, in, rqtn, rqtn);
	MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
	return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
}

Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 67 93.06% 1 50.00%
Saeed Mahameed 5 6.94% 1 50.00%
Total 72 100.00% 2 100.00%



void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn)
{
	u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)]   = {0};
	u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {0};

	MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
	MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
	mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person Tokens Prop Commits CommitProp
Achiad Shochat 71 88.75% 1 50.00%
Saeed Mahameed 9 11.25% 1 50.00%
Total 80 100.00% 2 100.00%

EXPORT_SYMBOL(mlx5_core_destroy_rqt);



static int mlx5_hairpin_create_rq(struct mlx5_core_dev *mdev,
				  struct mlx5_hairpin_params *params, u32 *rqn)
{
	u32 in[MLX5_ST_SZ_DW(create_rq_in)] = {0};
	void *rqc, *wq;

	rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
	wq  = MLX5_ADDR_OF(rqc, rqc, wq);

	MLX5_SET(rqc, rqc, hairpin, 1);
	MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
	MLX5_SET(rqc, rqc, counter_set_id, params->q_counter);

	MLX5_SET(wq, wq, log_hairpin_data_sz, params->log_data_size);
	MLX5_SET(wq, wq, log_hairpin_num_packets, params->log_num_packets);

	return mlx5_core_create_rq(mdev, in, MLX5_ST_SZ_BYTES(create_rq_in), rqn);
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 138 100.00% 2 100.00%
Total 138 100.00% 2 100.00%



static int mlx5_hairpin_create_sq(struct mlx5_core_dev *mdev,
				  struct mlx5_hairpin_params *params, u32 *sqn)
{
	u32 in[MLX5_ST_SZ_DW(create_sq_in)] = {0};
	void *sqc, *wq;

	sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
	wq  = MLX5_ADDR_OF(sqc, sqc, wq);

	MLX5_SET(sqc, sqc, hairpin, 1);
	MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);

	MLX5_SET(wq, wq, log_hairpin_data_sz, params->log_data_size);
	MLX5_SET(wq, wq, log_hairpin_num_packets, params->log_num_packets);

	return mlx5_core_create_sq(mdev, in, MLX5_ST_SZ_BYTES(create_sq_in), sqn);
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 125 100.00% 2 100.00%
Total 125 100.00% 2 100.00%



static int mlx5_hairpin_create_queues(struct mlx5_hairpin *hp,
				      struct mlx5_hairpin_params *params)
{
	int i, j, err;

	for (i = 0; i < hp->num_channels; i++) {
		err = mlx5_hairpin_create_rq(hp->func_mdev, params, &hp->rqn[i]);
		if (err)
			goto out_err_rq;
	}

	for (i = 0; i < hp->num_channels; i++) {
		err = mlx5_hairpin_create_sq(hp->peer_mdev, params, &hp->sqn[i]);
		if (err)
			goto out_err_sq;
	}

	return 0;

out_err_sq:
	for (j = 0; j < i; j++)
		mlx5_core_destroy_sq(hp->peer_mdev, hp->sqn[j]);
	i = hp->num_channels;
out_err_rq:
	for (j = 0; j < i; j++)
		mlx5_core_destroy_rq(hp->func_mdev, hp->rqn[j]);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 179 100.00% 2 100.00%
Total 179 100.00% 2 100.00%



static void mlx5_hairpin_destroy_queues(struct mlx5_hairpin *hp)
{
	int i;

	for (i = 0; i < hp->num_channels; i++) {
		mlx5_core_destroy_rq(hp->func_mdev, hp->rqn[i]);
		mlx5_core_destroy_sq(hp->peer_mdev, hp->sqn[i]);
	}
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 59 100.00% 2 100.00%
Total 59 100.00% 2 100.00%



static int mlx5_hairpin_modify_rq(struct mlx5_core_dev *func_mdev, u32 rqn,
				  int curr_state, int next_state,
				  u16 peer_vhca, u32 peer_sq)
{
	u32 in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
	void *rqc;

	rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);

	if (next_state == MLX5_RQC_STATE_RDY) {
		MLX5_SET(rqc, rqc, hairpin_peer_sq, peer_sq);
		MLX5_SET(rqc, rqc, hairpin_peer_vhca, peer_vhca);
	}

	MLX5_SET(modify_rq_in, in, rq_state, curr_state);
	MLX5_SET(rqc, rqc, state, next_state);

	return mlx5_core_modify_rq(func_mdev, rqn,
				   in, MLX5_ST_SZ_BYTES(modify_rq_in));
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 121 100.00% 1 100.00%
Total 121 100.00% 1 100.00%



static int mlx5_hairpin_modify_sq(struct mlx5_core_dev *peer_mdev, u32 sqn,
				  int curr_state, int next_state,
				  u16 peer_vhca, u32 peer_rq)
{
	u32 in[MLX5_ST_SZ_DW(modify_sq_in)] = {0};
	void *sqc;

	sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);

	if (next_state == MLX5_RQC_STATE_RDY) {
		MLX5_SET(sqc, sqc, hairpin_peer_rq, peer_rq);
		MLX5_SET(sqc, sqc, hairpin_peer_vhca, peer_vhca);
	}

	MLX5_SET(modify_sq_in, in, sq_state, curr_state);
	MLX5_SET(sqc, sqc, state, next_state);

	return mlx5_core_modify_sq(peer_mdev, sqn,
				   in, MLX5_ST_SZ_BYTES(modify_sq_in));
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 121 100.00% 1 100.00%
Total 121 100.00% 1 100.00%



static int mlx5_hairpin_pair_queues(struct mlx5_hairpin *hp)
{
	int i, j, err;

	/* set peer SQs */
	for (i = 0; i < hp->num_channels; i++) {
		err = mlx5_hairpin_modify_sq(hp->peer_mdev, hp->sqn[i],
					     MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY,
					     MLX5_CAP_GEN(hp->func_mdev, vhca_id), hp->rqn[i]);
		if (err)
			goto err_modify_sq;
	}

	/* set func RQs */
	for (i = 0; i < hp->num_channels; i++) {
		err = mlx5_hairpin_modify_rq(hp->func_mdev, hp->rqn[i],
					     MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY,
					     MLX5_CAP_GEN(hp->peer_mdev, vhca_id), hp->sqn[i]);
		if (err)
			goto err_modify_rq;
	}

	return 0;

err_modify_rq:
	for (j = 0; j < i; j++)
		mlx5_hairpin_modify_rq(hp->func_mdev, hp->rqn[j], MLX5_RQC_STATE_RDY,
				       MLX5_RQC_STATE_RST, 0, 0);
	i = hp->num_channels;
err_modify_sq:
	for (j = 0; j < i; j++)
		mlx5_hairpin_modify_sq(hp->peer_mdev, hp->sqn[j], MLX5_SQC_STATE_RDY,
				       MLX5_SQC_STATE_RST, 0, 0);
	return err;
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 226 100.00% 2 100.00%
Total 226 100.00% 2 100.00%



static void mlx5_hairpin_unpair_queues(struct mlx5_hairpin *hp)
{
	int i;

	/* unset func RQs */
	for (i = 0; i < hp->num_channels; i++)
		mlx5_hairpin_modify_rq(hp->func_mdev, hp->rqn[i], MLX5_RQC_STATE_RDY,
				       MLX5_RQC_STATE_RST, 0, 0);

	/* unset peer SQs */
	for (i = 0; i < hp->num_channels; i++)
		mlx5_hairpin_modify_sq(hp->peer_mdev, hp->sqn[i], MLX5_SQC_STATE_RDY,
				       MLX5_SQC_STATE_RST, 0, 0);
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 90 100.00% 2 100.00%
Total 90 100.00% 2 100.00%


struct mlx5_hairpin *

mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
			 struct mlx5_core_dev *peer_mdev,
			 struct mlx5_hairpin_params *params)
{
	struct mlx5_hairpin *hp;
	int size, err;

	size = sizeof(*hp) + params->num_channels * 2 * sizeof(u32);
	hp = kzalloc(size, GFP_KERNEL);
	if (!hp)
		return ERR_PTR(-ENOMEM);

	hp->func_mdev = func_mdev;
	hp->peer_mdev = peer_mdev;
	hp->num_channels = params->num_channels;

	hp->rqn = (void *)hp + sizeof(*hp);
	hp->sqn = hp->rqn + params->num_channels;

	/* alloc and pair func --> peer hairpin */
	err = mlx5_hairpin_create_queues(hp, params);
	if (err)
		goto err_create_queues;

	err = mlx5_hairpin_pair_queues(hp);
	if (err)
		goto err_pair_queues;

	return hp;

err_pair_queues:
	mlx5_hairpin_destroy_queues(hp);
err_create_queues:
	kfree(hp);
	return ERR_PTR(err);
}

Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 174 100.00% 2 100.00%
Total 174 100.00% 2 100.00%



void mlx5_core_hairpin_destroy(struct mlx5_hairpin *hp)
{
	mlx5_hairpin_unpair_queues(hp);
	mlx5_hairpin_destroy_queues(hp);
	kfree(hp);
}
Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 25 100.00% 1 100.00%
Total 25 100.00% 1 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
Or Gerlitz 1258 33.54% 3 17.65%
Haggai Abramonvsky 824 21.97% 2 11.76%
Amir Vadai 763 20.34% 1 5.88%
Achiad Shochat 441 11.76% 4 23.53%
Majd Dibbiny 281 7.49% 3 17.65%
Saeed Mahameed 161 4.29% 2 11.76%
Yishai Hadas 20 0.53% 1 5.88%
Leon Romanovsky 3 0.08% 1 5.88%
Total 3751 100.00% 17 100.00%
Directory: drivers/net/ethernet/mellanox/mlx5/core

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.
Person	Tokens	Prop	Commits	CommitProp
Achiad Shochat	85	89.47%	1	33.33%
Saeed Mahameed	9	9.47%	1	33.33%
Majd Dibbiny	1	1.05%	1	33.33%
Total	95	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.16 drivers/net/ethernet/mellanox/mlx5/core/transobj.c

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