/*
* 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);
void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr)
{
u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)];
u32 *out;
int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
u8 *out_addr;
out = mlx5_vzalloc(outlen);
if (!out)
return;
out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
nic_vport_context.permanent_address);
memset(in, 0, sizeof(in));
MLX5_SET(query_nic_vport_context_in, in, opcode,
MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
memset(out, 0, outlen);
mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
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);
