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

/*
 * 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;
}
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));
}
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;
}
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));
}
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));
}
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);
}
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;
}

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));
}
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));
}

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);
}
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;
}
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));
}

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));
}
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;
}
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));
}
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));
}
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;
}

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));
}

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));
}

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);
}

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;
}

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;
}

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));
}

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;
}

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));
}

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;
}
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));
}

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));
}
EXPORT_SYMBOL(mlx5_core_destroy_rqt);