[deliverable/linux.git] / drivers / net / ethernet / mellanox / mlx5 / core / vport.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/export.h>
#include <linux/etherdevice.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/vport.h>
#include "mlx5_core.h"

u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod)
{
	u32 in[MLX5_ST_SZ_DW(query_vport_state_in)];
	u32 out[MLX5_ST_SZ_DW(query_vport_state_out)];
	int err;

	memset(in, 0, sizeof(in));

	MLX5_SET(query_vport_state_in, in, opcode,
		 MLX5_CMD_OP_QUERY_VPORT_STATE);
	MLX5_SET(query_vport_state_in, in, op_mod, opmod);

	err = mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out,
					 sizeof(out));
	if (err)
		mlx5_core_warn(mdev, "MLX5_CMD_OP_QUERY_VPORT_STATE failed\n");

	return MLX5_GET(query_vport_state_out, out, state);
}
EXPORT_SYMBOL(mlx5_query_vport_state);

static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u32 *out,
					int outlen)
{
	u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)];

	memset(in, 0, sizeof(in));

	MLX5_SET(query_nic_vport_context_in, in, opcode,
		 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);

	return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
}

void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr)
{
	u32 *out;
	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
	u8 *out_addr;
	int err;

	out = mlx5_vzalloc(outlen);
	if (!out)
		return;

	out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
				nic_vport_context.permanent_address);

	err = mlx5_query_nic_vport_context(mdev, out, outlen);
	if (!err)
		ether_addr_copy(addr, &out_addr[2]);

	kvfree(out);
}
EXPORT_SYMBOL(mlx5_query_nic_vport_mac_address);

int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
			     u8 port_num, u16  vf_num, u16 gid_index,
			     union ib_gid *gid)
{
	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
	int is_group_manager;
	void *out = NULL;
	void *in = NULL;
	union ib_gid *tmp;
	int tbsz;
	int nout;
	int err;

	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
	tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
	mlx5_core_dbg(dev, "vf_num %d, index %d, gid_table_size %d\n",
		      vf_num, gid_index, tbsz);

	if (gid_index > tbsz && gid_index != 0xffff)
		return -EINVAL;

	if (gid_index == 0xffff)
		nout = tbsz;
	else
		nout = 1;

	out_sz += nout * sizeof(*gid);

	in = kzalloc(in_sz, GFP_KERNEL);
	out = kzalloc(out_sz, GFP_KERNEL);
	if (!in || !out) {
		err = -ENOMEM;
		goto out;
	}

	MLX5_SET(query_hca_vport_gid_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
	if (other_vport) {
		if (is_group_manager) {
			MLX5_SET(query_hca_vport_gid_in, in, vport_number, vf_num);
			MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
		} else {
			err = -EPERM;
			goto out;
		}
	}
	MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);

	if (MLX5_CAP_GEN(dev, num_ports) == 2)
		MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);

	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
	if (err)
		goto out;

	err = mlx5_cmd_status_to_err_v2(out);
	if (err)
		goto out;

	tmp = out + MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
	gid->global.subnet_prefix = tmp->global.subnet_prefix;
	gid->global.interface_id = tmp->global.interface_id;

out:
	kfree(in);
	kfree(out);
	return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_gid);

int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
			      u8 port_num, u16 vf_num, u16 pkey_index,
			      u16 *pkey)
{
	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_in);
	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_out);
	int is_group_manager;
	void *out = NULL;
	void *in = NULL;
	void *pkarr;
	int nout;
	int tbsz;
	int err;
	int i;

	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);

	tbsz = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size));
	if (pkey_index > tbsz && pkey_index != 0xffff)
		return -EINVAL;

	if (pkey_index == 0xffff)
		nout = tbsz;
	else
		nout = 1;

	out_sz += nout * MLX5_ST_SZ_BYTES(pkey);

	in = kzalloc(in_sz, GFP_KERNEL);
	out = kzalloc(out_sz, GFP_KERNEL);
	if (!in || !out) {
		err = -ENOMEM;
		goto out;
	}

	MLX5_SET(query_hca_vport_pkey_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY);
	if (other_vport) {
		if (is_group_manager) {
			MLX5_SET(query_hca_vport_pkey_in, in, vport_number, vf_num);
			MLX5_SET(query_hca_vport_pkey_in, in, other_vport, 1);
		} else {
			err = -EPERM;
			goto out;
		}
	}
	MLX5_SET(query_hca_vport_pkey_in, in, pkey_index, pkey_index);

	if (MLX5_CAP_GEN(dev, num_ports) == 2)
		MLX5_SET(query_hca_vport_pkey_in, in, port_num, port_num);

	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
	if (err)
		goto out;

	err = mlx5_cmd_status_to_err_v2(out);
	if (err)
		goto out;

	pkarr = MLX5_ADDR_OF(query_hca_vport_pkey_out, out, pkey);
	for (i = 0; i < nout; i++, pkey++, pkarr += MLX5_ST_SZ_BYTES(pkey))
		*pkey = MLX5_GET_PR(pkey, pkarr, pkey);

out:
	kfree(in);
	kfree(out);
	return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_pkey);

int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
				 u8 other_vport, u8 port_num,
				 u16 vf_num,
				 struct mlx5_hca_vport_context *rep)
{
	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
	int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)];
	int is_group_manager;
	void *out;
	void *ctx;
	int err;

	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);

	memset(in, 0, sizeof(in));
	out = kzalloc(out_sz, GFP_KERNEL);
	if (!out)
		return -ENOMEM;

	MLX5_SET(query_hca_vport_context_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT);

	if (other_vport) {
		if (is_group_manager) {
			MLX5_SET(query_hca_vport_context_in, in, other_vport, 1);
			MLX5_SET(query_hca_vport_context_in, in, vport_number, vf_num);
		} else {
			err = -EPERM;
			goto ex;
		}
	}

	if (MLX5_CAP_GEN(dev, num_ports) == 2)
		MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);

	err = mlx5_cmd_exec(dev, in, sizeof(in), out,  out_sz);
	if (err)
		goto ex;
	err = mlx5_cmd_status_to_err_v2(out);
	if (err)
		goto ex;

	ctx = MLX5_ADDR_OF(query_hca_vport_context_out, out, hca_vport_context);
	rep->field_select = MLX5_GET_PR(hca_vport_context, ctx, field_select);
	rep->sm_virt_aware = MLX5_GET_PR(hca_vport_context, ctx, sm_virt_aware);
	rep->has_smi = MLX5_GET_PR(hca_vport_context, ctx, has_smi);
	rep->has_raw = MLX5_GET_PR(hca_vport_context, ctx, has_raw);
	rep->policy = MLX5_GET_PR(hca_vport_context, ctx, vport_state_policy);
	rep->phys_state = MLX5_GET_PR(hca_vport_context, ctx,
				      port_physical_state);
	rep->vport_state = MLX5_GET_PR(hca_vport_context, ctx, vport_state);
	rep->port_physical_state = MLX5_GET_PR(hca_vport_context, ctx,
					       port_physical_state);
	rep->port_guid = MLX5_GET64_PR(hca_vport_context, ctx, port_guid);
	rep->node_guid = MLX5_GET64_PR(hca_vport_context, ctx, node_guid);
	rep->cap_mask1 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask1);
	rep->cap_mask1_perm = MLX5_GET_PR(hca_vport_context, ctx,
					  cap_mask1_field_select);
	rep->cap_mask2 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask2);
	rep->cap_mask2_perm = MLX5_GET_PR(hca_vport_context, ctx,
					  cap_mask2_field_select);
	rep->lid = MLX5_GET_PR(hca_vport_context, ctx, lid);
	rep->init_type_reply = MLX5_GET_PR(hca_vport_context, ctx,
					   init_type_reply);
	rep->lmc = MLX5_GET_PR(hca_vport_context, ctx, lmc);
	rep->subnet_timeout = MLX5_GET_PR(hca_vport_context, ctx,
					  subnet_timeout);
	rep->sm_lid = MLX5_GET_PR(hca_vport_context, ctx, sm_lid);
	rep->sm_sl = MLX5_GET_PR(hca_vport_context, ctx, sm_sl);
	rep->qkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
						  qkey_violation_counter);
	rep->pkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
						  pkey_violation_counter);
	rep->grh_required = MLX5_GET_PR(hca_vport_context, ctx, grh_required);
	rep->sys_image_guid = MLX5_GET64_PR(hca_vport_context, ctx,
					    system_image_guid);

ex:
	kfree(out);
	return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_context);

int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
					   u64 *sys_image_guid)
{
	struct mlx5_hca_vport_context *rep;
	int err;

	rep = kzalloc(sizeof(*rep), GFP_KERNEL);
	if (!rep)
		return -ENOMEM;

	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
	if (!err)
		*sys_image_guid = rep->sys_image_guid;

	kfree(rep);
	return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_system_image_guid);

int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
				   u64 *node_guid)
{
	struct mlx5_hca_vport_context *rep;
	int err;

	rep = kzalloc(sizeof(*rep), GFP_KERNEL);
	if (!rep)
		return -ENOMEM;

	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
	if (!err)
		*node_guid = rep->node_guid;

	kfree(rep);
	return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_node_guid);
Commit	Line	Data
afb736e9 AV	1	/*
	2	* Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
	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	#include <linux/export.h>
	34	#include <linux/etherdevice.h>
	35	#include <linux/mlx5/driver.h>
d18a9470	36	#include <linux/mlx5/vport.h>
afb736e9 AV	37	#include "mlx5_core.h"
	38
	39	u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod)
	40	{
	41	u32 in[MLX5_ST_SZ_DW(query_vport_state_in)];
	42	u32 out[MLX5_ST_SZ_DW(query_vport_state_out)];
	43	int err;
	44
	45	memset(in, 0, sizeof(in));
	46
	47	MLX5_SET(query_vport_state_in, in, opcode,
	48	MLX5_CMD_OP_QUERY_VPORT_STATE);
	49	MLX5_SET(query_vport_state_in, in, op_mod, opmod);
	50
	51	err = mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out,
	52	sizeof(out));
	53	if (err)
	54	mlx5_core_warn(mdev, "MLX5_CMD_OP_QUERY_VPORT_STATE failed\n");
	55
	56	return MLX5_GET(query_vport_state_out, out, state);
	57	}
d18a9470	58	EXPORT_SYMBOL(mlx5_query_vport_state);
afb736e9	59
e5f6175c AS	60	static int mlx5_query_nic_vport_context(struct mlx5_core_dev mdev, u32 out,
	61	int outlen)
	62	{
	63	u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)];
	64
	65	memset(in, 0, sizeof(in));
	66
	67	MLX5_SET(query_nic_vport_context_in, in, opcode,
	68	MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
	69
	70	return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
	71	}
	72
d18a9470	73	void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev mdev, u8 addr)
afb736e9	74	{
afb736e9 AV	75	u32 *out;
	76	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
	77	u8 *out_addr;
e5f6175c	78	int err;
afb736e9 AV	79
	80	out = mlx5_vzalloc(outlen);
	81	if (!out)
	82	return;
	83
	84	out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
	85	nic_vport_context.permanent_address);
	86
e5f6175c AS	87	err = mlx5_query_nic_vport_context(mdev, out, outlen);
	88	if (!err)
	89	ether_addr_copy(addr, &out_addr[2]);
afb736e9 AV	90
	91	kvfree(out);
	92	}
d18a9470	93	EXPORT_SYMBOL(mlx5_query_nic_vport_mac_address);
707c4602 MD	94
	95	int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
	96	u8 port_num, u16 vf_num, u16 gid_index,
	97	union ib_gid *gid)
	98	{
	99	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
	100	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
	101	int is_group_manager;
	102	void *out = NULL;
	103	void *in = NULL;
	104	union ib_gid *tmp;
	105	int tbsz;
	106	int nout;
	107	int err;
	108
	109	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
	110	tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
	111	mlx5_core_dbg(dev, "vf_num %d, index %d, gid_table_size %d\n",
	112	vf_num, gid_index, tbsz);
	113
	114	if (gid_index > tbsz && gid_index != 0xffff)
	115	return -EINVAL;
	116
	117	if (gid_index == 0xffff)
	118	nout = tbsz;
	119	else
	120	nout = 1;
	121
	122	out_sz += nout * sizeof(*gid);
	123
	124	in = kzalloc(in_sz, GFP_KERNEL);
	125	out = kzalloc(out_sz, GFP_KERNEL);
	126	if (!in \|\| !out) {
	127	err = -ENOMEM;
	128	goto out;
	129	}
	130
	131	MLX5_SET(query_hca_vport_gid_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
	132	if (other_vport) {
	133	if (is_group_manager) {
	134	MLX5_SET(query_hca_vport_gid_in, in, vport_number, vf_num);
	135	MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
	136	} else {
	137	err = -EPERM;
	138	goto out;
	139	}
	140	}
	141	MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);
	142
	143	if (MLX5_CAP_GEN(dev, num_ports) == 2)
	144	MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);
	145
	146	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
	147	if (err)
	148	goto out;
	149
	150	err = mlx5_cmd_status_to_err_v2(out);
	151	if (err)
	152	goto out;
	153
	154	tmp = out + MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
	155	gid->global.subnet_prefix = tmp->global.subnet_prefix;
	156	gid->global.interface_id = tmp->global.interface_id;
	157
158	out:
159	kfree(in);
160	kfree(out);
161	return err;
162	}
163	EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_gid);
164
165	int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
166	u8 port_num, u16 vf_num, u16 pkey_index,
167	u16 *pkey)
168	{
169	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_in);
170	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_out);
171	int is_group_manager;
172	void *out = NULL;
173	void *in = NULL;
174	void *pkarr;
175	int nout;
176	int tbsz;
177	int err;
178	int i;
179
180	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
181
182	tbsz = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size));
183	if (pkey_index > tbsz && pkey_index != 0xffff)
184	return -EINVAL;
185
186	if (pkey_index == 0xffff)
187	nout = tbsz;
188	else
189	nout = 1;
190
191	out_sz += nout * MLX5_ST_SZ_BYTES(pkey);
192
193	in = kzalloc(in_sz, GFP_KERNEL);
194	out = kzalloc(out_sz, GFP_KERNEL);
195	if (!in \|\| !out) {
196	err = -ENOMEM;
197	goto out;
198	}
199
200	MLX5_SET(query_hca_vport_pkey_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY);
201	if (other_vport) {
202	if (is_group_manager) {
203	MLX5_SET(query_hca_vport_pkey_in, in, vport_number, vf_num);
204	MLX5_SET(query_hca_vport_pkey_in, in, other_vport, 1);
205	} else {
206	err = -EPERM;
207	goto out;
208	}
209	}
210	MLX5_SET(query_hca_vport_pkey_in, in, pkey_index, pkey_index);
211
212	if (MLX5_CAP_GEN(dev, num_ports) == 2)
213	MLX5_SET(query_hca_vport_pkey_in, in, port_num, port_num);
214
215	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
216	if (err)
217	goto out;
218
219	err = mlx5_cmd_status_to_err_v2(out);
220	if (err)
221	goto out;
222
223	pkarr = MLX5_ADDR_OF(query_hca_vport_pkey_out, out, pkey);
224	for (i = 0; i < nout; i++, pkey++, pkarr += MLX5_ST_SZ_BYTES(pkey))
225	*pkey = MLX5_GET_PR(pkey, pkarr, pkey);
226
227	out:
228	kfree(in);
229	kfree(out);
230	return err;
231	}
232	EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_pkey);
233
234	int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
235	u8 other_vport, u8 port_num,
236	u16 vf_num,
237	struct mlx5_hca_vport_context *rep)
238	{
239	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
240	int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)];
241	int is_group_manager;
242	void *out;
243	void *ctx;
244	int err;
245
246	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
247
248	memset(in, 0, sizeof(in));
249	out = kzalloc(out_sz, GFP_KERNEL);
250	if (!out)
251	return -ENOMEM;
252
253	MLX5_SET(query_hca_vport_context_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT);
254
255	if (other_vport) {
256	if (is_group_manager) {
257	MLX5_SET(query_hca_vport_context_in, in, other_vport, 1);
258	MLX5_SET(query_hca_vport_context_in, in, vport_number, vf_num);
259	} else {
260	err = -EPERM;
261	goto ex;
262	}
263	}
264
265	if (MLX5_CAP_GEN(dev, num_ports) == 2)
266	MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);
267
268	err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
269	if (err)
270	goto ex;
271	err = mlx5_cmd_status_to_err_v2(out);
272	if (err)
273	goto ex;
274
275	ctx = MLX5_ADDR_OF(query_hca_vport_context_out, out, hca_vport_context);
276	rep->field_select = MLX5_GET_PR(hca_vport_context, ctx, field_select);
277	rep->sm_virt_aware = MLX5_GET_PR(hca_vport_context, ctx, sm_virt_aware);
278	rep->has_smi = MLX5_GET_PR(hca_vport_context, ctx, has_smi);
279	rep->has_raw = MLX5_GET_PR(hca_vport_context, ctx, has_raw);
280	rep->policy = MLX5_GET_PR(hca_vport_context, ctx, vport_state_policy);
281	rep->phys_state = MLX5_GET_PR(hca_vport_context, ctx,
282	port_physical_state);
283	rep->vport_state = MLX5_GET_PR(hca_vport_context, ctx, vport_state);
284	rep->port_physical_state = MLX5_GET_PR(hca_vport_context, ctx,
285	port_physical_state);
286	rep->port_guid = MLX5_GET64_PR(hca_vport_context, ctx, port_guid);
287	rep->node_guid = MLX5_GET64_PR(hca_vport_context, ctx, node_guid);
288	rep->cap_mask1 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask1);
289	rep->cap_mask1_perm = MLX5_GET_PR(hca_vport_context, ctx,
290	cap_mask1_field_select);
291	rep->cap_mask2 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask2);
292	rep->cap_mask2_perm = MLX5_GET_PR(hca_vport_context, ctx,
293	cap_mask2_field_select);
294	rep->lid = MLX5_GET_PR(hca_vport_context, ctx, lid);
295	rep->init_type_reply = MLX5_GET_PR(hca_vport_context, ctx,
296	init_type_reply);
297	rep->lmc = MLX5_GET_PR(hca_vport_context, ctx, lmc);
298	rep->subnet_timeout = MLX5_GET_PR(hca_vport_context, ctx,
299	subnet_timeout);
300	rep->sm_lid = MLX5_GET_PR(hca_vport_context, ctx, sm_lid);
301	rep->sm_sl = MLX5_GET_PR(hca_vport_context, ctx, sm_sl);
302	rep->qkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
303	qkey_violation_counter);
304	rep->pkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
305	pkey_violation_counter);
306	rep->grh_required = MLX5_GET_PR(hca_vport_context, ctx, grh_required);
307	rep->sys_image_guid = MLX5_GET64_PR(hca_vport_context, ctx,
308	system_image_guid);
309
310	ex:
311	kfree(out);
312	return err;
313	}
314	EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_context);
315
316	int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
7cf7fa52	317	u64 *sys_image_guid)
707c4602 MD	318	{
	319	struct mlx5_hca_vport_context *rep;
	320	int err;
	321
	322	rep = kzalloc(sizeof(*rep), GFP_KERNEL);
	323	if (!rep)
	324	return -ENOMEM;
	325
	326	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
	327	if (!err)
	328	*sys_image_guid = rep->sys_image_guid;
	329
	330	kfree(rep);
	331	return err;
	332	}
	333	EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_system_image_guid);
	334
	335	int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
	336	u64 *node_guid)
	337	{
	338	struct mlx5_hca_vport_context *rep;
	339	int err;
	340
	341	rep = kzalloc(sizeof(*rep), GFP_KERNEL);
	342	if (!rep)
	343	return -ENOMEM;
	344
	345	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
	346	if (!err)
	347	*node_guid = rep->node_guid;
	348
	349	kfree(rep);
	350	return err;
	351	}
	352	EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_node_guid);