1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2019 Joyent, Inc.
14 */
15
16 /*
17 * This is a stub driver that is used by the main imcstub driver to attach
18 * component PCI devices so that it can access their dev_info_t.
19 */
20
21 #include <sys/conf.h>
22 #include <sys/devops.h>
23 #include <sys/modctl.h>
24 #include <sys/ddi.h>
25 #include <sys/sunddi.h>
26
27 #include "imc.h"
28
29
30 static int
imcstub_attach(dev_info_t * dip,ddi_attach_cmd_t cmd)31 imcstub_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
32 {
33 return (imc_attach_stub(dip, cmd));
34 }
35
36 static int
imcstub_detach(dev_info_t * dip,ddi_detach_cmd_t cmd)37 imcstub_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
38 {
39 return (imc_detach_stub(dip, cmd));
40 }
41
42 static struct dev_ops imcstub_dev_ops = {
43 .devo_rev = DEVO_REV,
44 .devo_refcnt = 0,
45 .devo_getinfo = nodev,
46 .devo_identify = nodev,
47 .devo_probe = nulldev,
48 .devo_attach = imcstub_attach,
49 .devo_detach = imcstub_detach,
50 .devo_reset = nodev,
51 .devo_quiesce = ddi_quiesce_not_needed
52 };
53
54 static struct modldrv imcstub_modldrv = {
55 .drv_modops = &mod_driverops,
56 .drv_linkinfo = "IMC Stub driver",
57 .drv_dev_ops = &imcstub_dev_ops
58 };
59
60 static struct modlinkage imcstub_modlinkage = {
61 .ml_rev = MODREV_1,
62 .ml_linkage = { &imcstub_modldrv, NULL }
63 };
64
65 int
_init(void)66 _init(void)
67 {
68 return (mod_install(&imcstub_modlinkage));
69 }
70
71 int
_info(struct modinfo * modinfop)72 _info(struct modinfo *modinfop)
73 {
74 return (mod_info(&imcstub_modlinkage, modinfop));
75 }
76
77 int
_fini(void)78 _fini(void)
79 {
80 return (mod_remove(&imcstub_modlinkage));
81 }
82