Release 4.11 drivers/net/ethernet/mellanox/mlx5/core/mr.c
/*
* 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.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
void mlx5_init_mkey_table(struct mlx5_core_dev *dev)
{
struct mlx5_mkey_table *table = &dev->priv.mkey_table;
memset(table, 0, sizeof(*table));
rwlock_init(&table->lock);
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
}
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Sagi Grimberg | 37 | 69.81% | 1 | 33.33% |
Majd Dibbiny | 13 | 24.53% | 1 | 33.33% |
Matan Barak | 3 | 5.66% | 1 | 33.33% |
Total | 53 | 100.00% | 3 | 100.00% |
void mlx5_cleanup_mkey_table(struct mlx5_core_dev *dev)
{
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sagi Grimberg | 8 | 88.89% | 1 | 50.00% |
Matan Barak | 1 | 11.11% | 1 | 50.00% |
Total | 9 | 100.00% | 2 | 100.00% |
int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey,
u32 *in, int inlen,
u32 *out, int outlen,
mlx5_cmd_cbk_t callback, void *context)
{
struct mlx5_mkey_table *table = &dev->priv.mkey_table;
u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
u32 mkey_index;
void *mkc;
int err;
u8 key;
spin_lock_irq(&dev->priv.mkey_lock);
key = dev->priv.mkey_key++;
spin_unlock_irq(&dev->priv.mkey_lock);
mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry);
MLX5_SET(create_mkey_in, in, opcode, MLX5_CMD_OP_CREATE_MKEY);
MLX5_SET(mkc, mkc, mkey_7_0, key);
if (callback)
return mlx5_cmd_exec_cb(dev, in, inlen, out, outlen,
callback, context);
err = mlx5_cmd_exec(dev, in, inlen, lout, sizeof(lout));
if (err)
return err;
mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index);
mkey->iova = MLX5_GET64(mkc, mkc, start_addr);
mkey->size = MLX5_GET64(mkc, mkc, len);
mkey->key = mlx5_idx_to_mkey(mkey_index) | key;
mkey->pd = MLX5_GET(mkc, mkc, pd);
mlx5_core_dbg(dev, "out 0x%x, key 0x%x, mkey 0x%x\n",
mkey_index, key, mkey->key);
/* connect to mkey tree */
write_lock_irq(&table->lock);
err = radix_tree_insert(&table->tree, mlx5_base_mkey(mkey->key), mkey);
write_unlock_irq(&table->lock);
if (err) {
mlx5_core_warn(dev, "failed radix tree insert of mkey 0x%x, %d\n",
mlx5_base_mkey(mkey->key), err);
mlx5_core_destroy_mkey(dev, mkey);
}
return err;
}
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Eli Cohen | 142 | 43.43% | 2 | 28.57% |
Saeed Mahameed | 82 | 25.08% | 1 | 14.29% |
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Matan Barak | 15 | 4.59% | 1 | 14.29% |
Total | 327 | 100.00% | 7 | 100.00% |
EXPORT_SYMBOL(mlx5_core_create_mkey_cb);
int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey,
u32 *in, int inlen)
{
return mlx5_core_create_mkey_cb(dev, mkey, in, inlen,
NULL, 0, NULL, NULL);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Saeed Mahameed | 42 | 100.00% | 1 | 100.00% |
Total | 42 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(mlx5_core_create_mkey);
int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey)
{
struct mlx5_mkey_table *table = &dev->priv.mkey_table;
u32 out[MLX5_ST_SZ_DW(destroy_mkey_out)] = {0};
u32 in[MLX5_ST_SZ_DW(destroy_mkey_in)] = {0};
struct mlx5_core_mkey *deleted_mkey;
unsigned long flags;
write_lock_irqsave(&table->lock, flags);
deleted_mkey = radix_tree_delete(&table->tree, mlx5_base_mkey(mkey->key));
write_unlock_irqrestore(&table->lock, flags);
if (!deleted_mkey) {
mlx5_core_warn(dev, "failed radix tree delete of mkey 0x%x\n",
mlx5_base_mkey(mkey->key));
return -ENOENT;
}
MLX5_SET(destroy_mkey_in, in, opcode, MLX5_CMD_OP_DESTROY_MKEY);
MLX5_SET(destroy_mkey_in, in, mkey_index, mlx5_mkey_to_idx(mkey->key));
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
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Person | Tokens | Prop | Commits | CommitProp |
Sagi Grimberg | 73 | 42.69% | 2 | 33.33% |
Eli Cohen | 48 | 28.07% | 1 | 16.67% |
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Total | 171 | 100.00% | 6 | 100.00% |
EXPORT_SYMBOL(mlx5_core_destroy_mkey);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
u32 *out, int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_mkey_in)] = {0};
memset(out, 0, outlen);
MLX5_SET(query_mkey_in, in, opcode, MLX5_CMD_OP_QUERY_MKEY);
MLX5_SET(query_mkey_in, in, mkey_index, mlx5_mkey_to_idx(mkey->key));
return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
}
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Person | Tokens | Prop | Commits | CommitProp |
Eli Cohen | 59 | 67.05% | 1 | 25.00% |
Saeed Mahameed | 26 | 29.55% | 2 | 50.00% |
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EXPORT_SYMBOL(mlx5_core_query_mkey);
int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *_mkey,
u32 *mkey)
{
u32 out[MLX5_ST_SZ_DW(query_special_contexts_out)] = {0};
u32 in[MLX5_ST_SZ_DW(query_special_contexts_in)] = {0};
int err;
MLX5_SET(query_special_contexts_in, in, opcode,
MLX5_CMD_OP_QUERY_SPECIAL_CONTEXTS);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (!err)
*mkey = MLX5_GET(query_special_contexts_out, out,
dump_fill_mkey);
return err;
}
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Person | Tokens | Prop | Commits | CommitProp |
Eli Cohen | 65 | 65.00% | 1 | 25.00% |
Saeed Mahameed | 33 | 33.00% | 2 | 50.00% |
Matan Barak | 2 | 2.00% | 1 | 25.00% |
Total | 100 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL(mlx5_core_dump_fill_mkey);
static inline u32 mlx5_get_psv(u32 *out, int psv_index)
{
switch (psv_index) {
case 1: return MLX5_GET(create_psv_out, out, psv1_index);
case 2: return MLX5_GET(create_psv_out, out, psv2_index);
case 3: return MLX5_GET(create_psv_out, out, psv3_index);
default: return MLX5_GET(create_psv_out, out, psv0_index);
}
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Saeed Mahameed | 70 | 100.00% | 1 | 100.00% |
Total | 70 | 100.00% | 1 | 100.00% |
int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
int npsvs, u32 *sig_index)
{
u32 out[MLX5_ST_SZ_DW(create_psv_out)] = {0};
u32 in[MLX5_ST_SZ_DW(create_psv_in)] = {0};
int i, err;
if (npsvs > MLX5_MAX_PSVS)
return -EINVAL;
MLX5_SET(create_psv_in, in, opcode, MLX5_CMD_OP_CREATE_PSV);
MLX5_SET(create_psv_in, in, pd, pdn);
MLX5_SET(create_psv_in, in, num_psv, npsvs);
err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
if (err)
return err;
for (i = 0; i < npsvs; i++)
sig_index[i] = mlx5_get_psv(out, i);
return err;
}
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Person | Tokens | Prop | Commits | CommitProp |
Sagi Grimberg | 105 | 70.00% | 1 | 50.00% |
Saeed Mahameed | 45 | 30.00% | 1 | 50.00% |
Total | 150 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL(mlx5_core_create_psv);
int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num)
{
u32 out[MLX5_ST_SZ_DW(destroy_psv_out)] = {0};
u32 in[MLX5_ST_SZ_DW(destroy_psv_in)] = {0};
MLX5_SET(destroy_psv_in, in, opcode, MLX5_CMD_OP_DESTROY_PSV);
MLX5_SET(destroy_psv_in, in, psvn, psv_num);
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Sagi Grimberg | 46 | 56.79% | 1 | 33.33% |
Saeed Mahameed | 35 | 43.21% | 2 | 66.67% |
Total | 81 | 100.00% | 3 | 100.00% |
EXPORT_SYMBOL(mlx5_core_destroy_psv);
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Saeed Mahameed | 377 | 33.01% | 3 | 27.27% |
Eli Cohen | 349 | 30.56% | 2 | 18.18% |
Sagi Grimberg | 347 | 30.39% | 3 | 27.27% |
Matan Barak | 36 | 3.15% | 1 | 9.09% |
Haggai Eran | 20 | 1.75% | 1 | 9.09% |
Majd Dibbiny | 13 | 1.14% | 1 | 9.09% |
Total | 1142 | 100.00% | 11 | 100.00% |
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