Line 0
Link Here
|
|
|
1 |
/*- |
2 |
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD |
3 |
* |
4 |
* Copyright (C) 2018 Intel Corporation |
5 |
* All rights reserved. |
6 |
* |
7 |
* Redistribution and use in source and binary forms, with or without |
8 |
* modification, are permitted provided that the following conditions |
9 |
* are met: |
10 |
* 1. Redistributions of source code must retain the above copyright |
11 |
* notice, this list of conditions and the following disclaimer. |
12 |
* 2. Redistributions in binary form must reproduce the above copyright |
13 |
* notice, this list of conditions and the following disclaimer in the |
14 |
* documentation and/or other materials provided with the distribution. |
15 |
* |
16 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
17 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
20 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
21 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
22 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
23 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
24 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
25 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
26 |
* SUCH DAMAGE. |
27 |
*/ |
28 |
|
29 |
#include <sys/cdefs.h> |
30 |
__FBSDID("$FreeBSD$"); |
31 |
|
32 |
#include <sys/types.h> |
33 |
#include <sys/param.h> |
34 |
#include <sys/bus.h> |
35 |
#include <sys/conf.h> |
36 |
#include <sys/kernel.h> |
37 |
#include <sys/module.h> |
38 |
#include <sys/systm.h> |
39 |
|
40 |
#include <dev/pci/pcireg.h> |
41 |
#include <dev/pci/pcivar.h> |
42 |
|
43 |
#include <machine/bus.h> |
44 |
|
45 |
|
46 |
static int |
47 |
vmd_probe(device_t dev) |
48 |
{ |
49 |
uint16_t devid = pci_get_device(dev); |
50 |
if (pci_get_vendor(dev) == 0x8086 && (devid == 0x201d || devid == 0x28c0)) { |
51 |
device_printf(dev, "Unsupported Volume Management Device (VMD) controller enabled.\n"); |
52 |
printf("Please disable VMD/VROC in BIOS to see all PCI devices.\n"); |
53 |
} |
54 |
return (ENXIO); |
55 |
} |
56 |
|
57 |
static device_method_t vmd_pci_methods[] = { |
58 |
/* Device interface */ |
59 |
DEVMETHOD(device_probe, vmd_probe), |
60 |
DEVMETHOD_END |
61 |
}; |
62 |
|
63 |
static devclass_t vmd_devclass; |
64 |
|
65 |
DEFINE_CLASS_0(vmd, vmd_pci_driver, vmd_pci_methods, 0); |
66 |
DRIVER_MODULE(vmd, pci, vmd_pci_driver, vmd_devclass, 0, 0); |