1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*-
* BSD LICENSE
*
* Copyright (c) 2016 NXP. All rights reserved.
*
* 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.
* * Neither the name of NXP nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <dirent.h>
#include <rte_log.h>
#include <rte_bus.h>
#include <rte_eal_memconfig.h>
#include <rte_malloc.h>
#include <rte_devargs.h>
#include <rte_memcpy.h>
#include <rte_ethdev.h>
#include "rte_fslmc.h"
#include "fslmc_vfio.h"
#define FSLMC_BUS_LOG(level, fmt, args...) \
RTE_LOG(level, EAL, "%s(): " fmt "\n", __func__, ##args)
struct rte_fslmc_bus rte_fslmc_bus;
static int
rte_fslmc_scan(void)
{
int ret;
ret = fslmc_vfio_setup_group();
if (ret) {
FSLMC_BUS_LOG(ERR, "fslmc: Unable to setup VFIO");
return ret;
}
ret = fslmc_vfio_process_group();
if (ret) {
FSLMC_BUS_LOG(ERR, "fslmc: Unable to setup devices");
return -1;
}
RTE_LOG(INFO, EAL, "fslmc: Bus scan completed\n");
return 0;
}
static int
rte_fslmc_match(struct rte_dpaa2_driver *dpaa2_drv,
struct rte_dpaa2_device *dpaa2_dev)
{
if (dpaa2_drv->drv_type == dpaa2_dev->dev_type)
return 0;
return 1;
}
static int
rte_fslmc_probe(void)
{
int ret = 0;
struct rte_dpaa2_device *dev;
struct rte_dpaa2_driver *drv;
TAILQ_FOREACH(dev, &rte_fslmc_bus.device_list, next) {
TAILQ_FOREACH(drv, &rte_fslmc_bus.driver_list, next) {
ret = rte_fslmc_match(drv, dev);
if (ret)
continue;
if (!drv->probe)
continue;
ret = drv->probe(drv, dev);
if (ret)
FSLMC_BUS_LOG(ERR, "Unable to probe.\n");
break;
}
}
return ret;
}
/*register a fslmc bus based dpaa2 driver */
void
rte_fslmc_driver_register(struct rte_dpaa2_driver *driver)
{
RTE_VERIFY(driver);
TAILQ_INSERT_TAIL(&rte_fslmc_bus.driver_list, driver, next);
/* Update Bus references */
driver->fslmc_bus = &rte_fslmc_bus;
}
/*un-register a fslmc bus based dpaa2 driver */
void
rte_fslmc_driver_unregister(struct rte_dpaa2_driver *driver)
{
struct rte_fslmc_bus *fslmc_bus;
fslmc_bus = driver->fslmc_bus;
TAILQ_REMOVE(&fslmc_bus->driver_list, driver, next);
/* Update Bus references */
driver->fslmc_bus = NULL;
}
struct rte_fslmc_bus rte_fslmc_bus = {
.bus = {
.scan = rte_fslmc_scan,
.probe = rte_fslmc_probe,
},
.device_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.device_list),
.driver_list = TAILQ_HEAD_INITIALIZER(rte_fslmc_bus.driver_list),
};
RTE_REGISTER_BUS(FSLMC_BUS_NAME, rte_fslmc_bus.bus);
|
