1b2b3ffcdSSimon Schubert /*-
2b2b3ffcdSSimon Schubert * Copyright 1998 Massachusetts Institute of Technology
3b2b3ffcdSSimon Schubert *
4b2b3ffcdSSimon Schubert * Permission to use, copy, modify, and distribute this software and
5b2b3ffcdSSimon Schubert * its documentation for any purpose and without fee is hereby
6b2b3ffcdSSimon Schubert * granted, provided that both the above copyright notice and this
7b2b3ffcdSSimon Schubert * permission notice appear in all copies, that both the above
8b2b3ffcdSSimon Schubert * copyright notice and this permission notice appear in all
9b2b3ffcdSSimon Schubert * supporting documentation, and that the name of M.I.T. not be used
10b2b3ffcdSSimon Schubert * in advertising or publicity pertaining to distribution of the
11b2b3ffcdSSimon Schubert * software without specific, written prior permission. M.I.T. makes
12b2b3ffcdSSimon Schubert * no representations about the suitability of this software for any
13b2b3ffcdSSimon Schubert * purpose. It is provided "as is" without express or implied
14b2b3ffcdSSimon Schubert * warranty.
15b2b3ffcdSSimon Schubert *
16b2b3ffcdSSimon Schubert * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17b2b3ffcdSSimon Schubert * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18b2b3ffcdSSimon Schubert * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19b2b3ffcdSSimon Schubert * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20b2b3ffcdSSimon Schubert * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21b2b3ffcdSSimon Schubert * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22b2b3ffcdSSimon Schubert * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23b2b3ffcdSSimon Schubert * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24b2b3ffcdSSimon Schubert * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25b2b3ffcdSSimon Schubert * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26b2b3ffcdSSimon Schubert * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27b2b3ffcdSSimon Schubert * SUCH DAMAGE.
28b2b3ffcdSSimon Schubert *
29b2b3ffcdSSimon Schubert * $FreeBSD: src/sys/i386/i386/legacy.c,v 1.63.2.1.4.1 2009/04/15 03:14:26 kensmith Exp $
30b2b3ffcdSSimon Schubert */
31b2b3ffcdSSimon Schubert
32b2b3ffcdSSimon Schubert /*
33b2b3ffcdSSimon Schubert * This code implements a system driver for legacy systems that do not
34b2b3ffcdSSimon Schubert * support ACPI or when ACPI support is not present in the kernel.
35b2b3ffcdSSimon Schubert */
36b2b3ffcdSSimon Schubert
37b2b3ffcdSSimon Schubert #include <sys/param.h>
38b2b3ffcdSSimon Schubert #include <sys/systm.h>
39b2b3ffcdSSimon Schubert #include <sys/bus.h>
40b2b3ffcdSSimon Schubert #include <sys/kernel.h>
41b2b3ffcdSSimon Schubert #include <sys/malloc.h>
42b2b3ffcdSSimon Schubert #include <sys/module.h>
43b2b3ffcdSSimon Schubert #include <sys/rman.h>
44b2b3ffcdSSimon Schubert
45b2b3ffcdSSimon Schubert #include "legacyvar.h"
46b2b3ffcdSSimon Schubert
47b2b3ffcdSSimon Schubert static MALLOC_DEFINE(M_LEGACYDEV, "legacydrv", "legacy system device");
48b2b3ffcdSSimon Schubert struct legacy_device {
49b2b3ffcdSSimon Schubert int lg_pcibus;
50b2b3ffcdSSimon Schubert };
51b2b3ffcdSSimon Schubert
52b2b3ffcdSSimon Schubert #define DEVTOAT(dev) ((struct legacy_device *)device_get_ivars(dev))
53b2b3ffcdSSimon Schubert
54b2b3ffcdSSimon Schubert static int legacy_identify(driver_t *, device_t);
55b2b3ffcdSSimon Schubert static int legacy_probe(device_t);
56b2b3ffcdSSimon Schubert static int legacy_attach(device_t);
57b2b3ffcdSSimon Schubert static int legacy_print_child(device_t, device_t);
58b2b3ffcdSSimon Schubert static device_t legacy_add_child(device_t, device_t, int, const char *, int);
59b2b3ffcdSSimon Schubert static int legacy_read_ivar(device_t, device_t, int, uintptr_t *);
60b2b3ffcdSSimon Schubert static int legacy_write_ivar(device_t, device_t, int, uintptr_t);
61b2b3ffcdSSimon Schubert
62b2b3ffcdSSimon Schubert static device_method_t legacy_methods[] = {
63b2b3ffcdSSimon Schubert /* Device interface */
64b2b3ffcdSSimon Schubert DEVMETHOD(device_identify, legacy_identify),
65b2b3ffcdSSimon Schubert DEVMETHOD(device_probe, legacy_probe),
66b2b3ffcdSSimon Schubert DEVMETHOD(device_attach, legacy_attach),
67b2b3ffcdSSimon Schubert DEVMETHOD(device_detach, bus_generic_detach),
68b2b3ffcdSSimon Schubert DEVMETHOD(device_shutdown, bus_generic_shutdown),
69b2b3ffcdSSimon Schubert DEVMETHOD(device_suspend, bus_generic_suspend),
70b2b3ffcdSSimon Schubert DEVMETHOD(device_resume, bus_generic_resume),
71b2b3ffcdSSimon Schubert
72b2b3ffcdSSimon Schubert /* Bus interface */
73b2b3ffcdSSimon Schubert DEVMETHOD(bus_print_child, legacy_print_child),
74b2b3ffcdSSimon Schubert DEVMETHOD(bus_add_child, legacy_add_child),
75b2b3ffcdSSimon Schubert DEVMETHOD(bus_read_ivar, legacy_read_ivar),
76b2b3ffcdSSimon Schubert DEVMETHOD(bus_write_ivar, legacy_write_ivar),
77b2b3ffcdSSimon Schubert DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
78b2b3ffcdSSimon Schubert DEVMETHOD(bus_release_resource, bus_generic_release_resource),
79b2b3ffcdSSimon Schubert DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
80b2b3ffcdSSimon Schubert DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
81b2b3ffcdSSimon Schubert DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
82b2b3ffcdSSimon Schubert DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
83b2b3ffcdSSimon Schubert
84d3c9c58eSSascha Wildner DEVMETHOD_END
85b2b3ffcdSSimon Schubert };
86b2b3ffcdSSimon Schubert
87b2b3ffcdSSimon Schubert static driver_t legacy_driver = {
88b2b3ffcdSSimon Schubert "legacy",
89b2b3ffcdSSimon Schubert legacy_methods,
90b2b3ffcdSSimon Schubert 1, /* no softc */
91b2b3ffcdSSimon Schubert };
92b2b3ffcdSSimon Schubert static devclass_t legacy_devclass;
93b2b3ffcdSSimon Schubert
94aa2b9d05SSascha Wildner DRIVER_MODULE(legacy, nexus, legacy_driver, legacy_devclass, NULL, NULL);
95b2b3ffcdSSimon Schubert
96b2b3ffcdSSimon Schubert static int
legacy_identify(driver_t * driver,device_t parent)97b2b3ffcdSSimon Schubert legacy_identify(driver_t *driver, device_t parent)
98b2b3ffcdSSimon Schubert {
99b2b3ffcdSSimon Schubert /*
100b2b3ffcdSSimon Schubert * Basically a static device, there's no point reinstalling it
101b2b3ffcdSSimon Schubert * on rescan.
102b2b3ffcdSSimon Schubert */
103b2b3ffcdSSimon Schubert if (device_get_state(parent) == DS_ATTACHED)
104b2b3ffcdSSimon Schubert return (0);
105b2b3ffcdSSimon Schubert if (device_get_state(parent) == DS_INPROGRESS)
106b2b3ffcdSSimon Schubert return (0);
107b2b3ffcdSSimon Schubert
108b2b3ffcdSSimon Schubert /*
109b2b3ffcdSSimon Schubert * Add child device with order of 11 so it gets probed
110b2b3ffcdSSimon Schubert * after ACPI (which is at order 10).
111b2b3ffcdSSimon Schubert */
112b2b3ffcdSSimon Schubert if (BUS_ADD_CHILD(parent, parent, 11, "legacy", 0) == NULL)
113b2b3ffcdSSimon Schubert panic("legacy: could not attach");
114b2b3ffcdSSimon Schubert return (0);
115b2b3ffcdSSimon Schubert }
116b2b3ffcdSSimon Schubert
117b2b3ffcdSSimon Schubert static int
legacy_probe(device_t dev)118b2b3ffcdSSimon Schubert legacy_probe(device_t dev)
119b2b3ffcdSSimon Schubert {
120*f76171aaSSascha Wildner #if 0 /* ACPI_ENABLE_PCI */
121b2b3ffcdSSimon Schubert device_t acpi;
122b2b3ffcdSSimon Schubert
123b2b3ffcdSSimon Schubert /*
124b2b3ffcdSSimon Schubert * Fail to probe if ACPI is ok.
125b2b3ffcdSSimon Schubert */
126b2b3ffcdSSimon Schubert acpi = devclass_get_device(devclass_find("acpi"), 0);
127b2b3ffcdSSimon Schubert if (acpi != NULL && device_is_alive(acpi))
128b2b3ffcdSSimon Schubert return (ENXIO);
129b2b3ffcdSSimon Schubert #endif /* ACPI_ENABLE_PCI */
130b2b3ffcdSSimon Schubert device_set_desc(dev, "legacy system");
131b2b3ffcdSSimon Schubert device_quiet(dev);
132b2b3ffcdSSimon Schubert return (0);
133b2b3ffcdSSimon Schubert }
134b2b3ffcdSSimon Schubert
135b2b3ffcdSSimon Schubert static int
legacy_attach(device_t dev)136b2b3ffcdSSimon Schubert legacy_attach(device_t dev)
137b2b3ffcdSSimon Schubert {
138b2b3ffcdSSimon Schubert device_t child;
139b2b3ffcdSSimon Schubert
140b2b3ffcdSSimon Schubert /*
141b2b3ffcdSSimon Schubert * Let our child drivers identify any child devices that they
142b2b3ffcdSSimon Schubert * can find. Once that is done attach any devices that we
143b2b3ffcdSSimon Schubert * found.
144b2b3ffcdSSimon Schubert */
145b2b3ffcdSSimon Schubert bus_generic_probe(dev);
146b2b3ffcdSSimon Schubert bus_generic_attach(dev);
147b2b3ffcdSSimon Schubert
148b2b3ffcdSSimon Schubert /*
1496311ed9eSSascha Wildner * If we didn't see ISA on a pci bridge, create a
1506311ed9eSSascha Wildner * connection point now so it shows up "on motherboard".
151b2b3ffcdSSimon Schubert */
152b2b3ffcdSSimon Schubert if (!devclass_get_device(devclass_find("isa"), 0)) {
153b2b3ffcdSSimon Schubert child = BUS_ADD_CHILD(dev, dev, 0, "isa", 0);
154b2b3ffcdSSimon Schubert if (child == NULL)
155b2b3ffcdSSimon Schubert panic("legacy_attach isa");
156b2b3ffcdSSimon Schubert device_probe_and_attach(child);
157b2b3ffcdSSimon Schubert }
158b2b3ffcdSSimon Schubert
159b2b3ffcdSSimon Schubert return 0;
160b2b3ffcdSSimon Schubert }
161b2b3ffcdSSimon Schubert
162b2b3ffcdSSimon Schubert static int
legacy_print_child(device_t bus,device_t child)163b2b3ffcdSSimon Schubert legacy_print_child(device_t bus, device_t child)
164b2b3ffcdSSimon Schubert {
165b2b3ffcdSSimon Schubert struct legacy_device *atdev = DEVTOAT(child);
166b2b3ffcdSSimon Schubert int retval = 0;
167b2b3ffcdSSimon Schubert
168b2b3ffcdSSimon Schubert retval += bus_print_child_header(bus, child);
169b2b3ffcdSSimon Schubert if (atdev->lg_pcibus != -1)
170b2b3ffcdSSimon Schubert retval += kprintf(" pcibus %d", atdev->lg_pcibus);
171b2b3ffcdSSimon Schubert retval += kprintf(" on motherboard\n"); /* XXX "motherboard", ick */
172b2b3ffcdSSimon Schubert
173b2b3ffcdSSimon Schubert return (retval);
174b2b3ffcdSSimon Schubert }
175b2b3ffcdSSimon Schubert
176b2b3ffcdSSimon Schubert static device_t
legacy_add_child(device_t bus,device_t parent,int order,const char * name,int unit)177b2b3ffcdSSimon Schubert legacy_add_child(device_t bus, device_t parent, int order, const char *name, int unit)
178b2b3ffcdSSimon Schubert {
179b2b3ffcdSSimon Schubert device_t child;
180b2b3ffcdSSimon Schubert struct legacy_device *atdev;
181b2b3ffcdSSimon Schubert atdev = kmalloc(sizeof(struct legacy_device), M_LEGACYDEV,
182b2b3ffcdSSimon Schubert M_NOWAIT | M_ZERO);
183b2b3ffcdSSimon Schubert if (atdev == NULL)
184b2b3ffcdSSimon Schubert return(NULL);
185b2b3ffcdSSimon Schubert atdev->lg_pcibus = -1;
186b2b3ffcdSSimon Schubert
187b2b3ffcdSSimon Schubert child = device_add_child_ordered(bus, order, name, unit);
188b2b3ffcdSSimon Schubert if (child == NULL) {
189b2b3ffcdSSimon Schubert kfree(atdev, M_LEGACYDEV);
190b2b3ffcdSSimon Schubert }
191b2b3ffcdSSimon Schubert else {
192b2b3ffcdSSimon Schubert /* should we kfree this in legacy_child_detached? */
193b2b3ffcdSSimon Schubert device_set_ivars(child, atdev);
194b2b3ffcdSSimon Schubert }
195b2b3ffcdSSimon Schubert return (child);
196b2b3ffcdSSimon Schubert }
197b2b3ffcdSSimon Schubert
198b2b3ffcdSSimon Schubert static int
legacy_read_ivar(device_t dev,device_t child,int which,uintptr_t * result)199b2b3ffcdSSimon Schubert legacy_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)
200b2b3ffcdSSimon Schubert {
201b2b3ffcdSSimon Schubert struct legacy_device *atdev = DEVTOAT(child);
202b2b3ffcdSSimon Schubert
203b2b3ffcdSSimon Schubert switch (which) {
204b2b3ffcdSSimon Schubert case LEGACY_IVAR_PCIDOMAIN:
205b2b3ffcdSSimon Schubert *result = 0;
206b2b3ffcdSSimon Schubert break;
207b2b3ffcdSSimon Schubert case LEGACY_IVAR_PCIBUS:
208b2b3ffcdSSimon Schubert *result = atdev->lg_pcibus;
209b2b3ffcdSSimon Schubert break;
210b2b3ffcdSSimon Schubert default:
211b2b3ffcdSSimon Schubert return ENOENT;
212b2b3ffcdSSimon Schubert }
213b2b3ffcdSSimon Schubert return 0;
214b2b3ffcdSSimon Schubert }
215b2b3ffcdSSimon Schubert
216b2b3ffcdSSimon Schubert static int
legacy_write_ivar(device_t dev,device_t child,int which,uintptr_t value)217b2b3ffcdSSimon Schubert legacy_write_ivar(device_t dev, device_t child, int which, uintptr_t value)
218b2b3ffcdSSimon Schubert {
219b2b3ffcdSSimon Schubert struct legacy_device *atdev = DEVTOAT(child);
220b2b3ffcdSSimon Schubert
221b2b3ffcdSSimon Schubert switch (which) {
222b2b3ffcdSSimon Schubert case LEGACY_IVAR_PCIDOMAIN:
223b2b3ffcdSSimon Schubert return EINVAL;
224b2b3ffcdSSimon Schubert case LEGACY_IVAR_PCIBUS:
225b2b3ffcdSSimon Schubert atdev->lg_pcibus = value;
226b2b3ffcdSSimon Schubert break;
227b2b3ffcdSSimon Schubert default:
228b2b3ffcdSSimon Schubert return ENOENT;
229b2b3ffcdSSimon Schubert }
230b2b3ffcdSSimon Schubert return 0;
231b2b3ffcdSSimon Schubert }
232b2b3ffcdSSimon Schubert
233b2b3ffcdSSimon Schubert #ifdef notyet
234b2b3ffcdSSimon Schubert /*
235b2b3ffcdSSimon Schubert * Legacy CPU attachment when ACPI is not available. Drivers like
236b2b3ffcdSSimon Schubert * cpufreq(4) hang off this.
237b2b3ffcdSSimon Schubert */
238b2b3ffcdSSimon Schubert static void cpu_identify(driver_t *driver, device_t parent);
239b2b3ffcdSSimon Schubert static int cpu_read_ivar(device_t dev, device_t child, int index,
240b2b3ffcdSSimon Schubert uintptr_t *result);
241b2b3ffcdSSimon Schubert static device_t cpu_add_child(device_t bus, int order, const char *name,
242b2b3ffcdSSimon Schubert int unit);
243b2b3ffcdSSimon Schubert static struct resource_list *cpu_get_rlist(device_t dev, device_t child);
244b2b3ffcdSSimon Schubert
245b2b3ffcdSSimon Schubert struct cpu_device {
246b2b3ffcdSSimon Schubert struct resource_list cd_rl;
247b2b3ffcdSSimon Schubert struct pcpu *cd_pcpu;
248b2b3ffcdSSimon Schubert };
249b2b3ffcdSSimon Schubert
250b2b3ffcdSSimon Schubert static device_method_t cpu_methods[] = {
251b2b3ffcdSSimon Schubert /* Device interface */
252b2b3ffcdSSimon Schubert DEVMETHOD(device_identify, cpu_identify),
253b2b3ffcdSSimon Schubert DEVMETHOD(device_probe, bus_generic_probe),
254b2b3ffcdSSimon Schubert DEVMETHOD(device_attach, bus_generic_attach),
255b2b3ffcdSSimon Schubert DEVMETHOD(device_detach, bus_generic_detach),
256b2b3ffcdSSimon Schubert DEVMETHOD(device_shutdown, bus_generic_shutdown),
257b2b3ffcdSSimon Schubert DEVMETHOD(device_suspend, bus_generic_suspend),
258b2b3ffcdSSimon Schubert DEVMETHOD(device_resume, bus_generic_resume),
259b2b3ffcdSSimon Schubert
260b2b3ffcdSSimon Schubert /* Bus interface */
261b2b3ffcdSSimon Schubert DEVMETHOD(bus_add_child, cpu_add_child),
262b2b3ffcdSSimon Schubert DEVMETHOD(bus_read_ivar, cpu_read_ivar),
263b2b3ffcdSSimon Schubert DEVMETHOD(bus_print_child, bus_generic_print_child),
264b2b3ffcdSSimon Schubert DEVMETHOD(bus_get_resource_list, cpu_get_rlist),
265b2b3ffcdSSimon Schubert DEVMETHOD(bus_get_resource, bus_generic_rl_get_resource),
266b2b3ffcdSSimon Schubert DEVMETHOD(bus_set_resource, bus_generic_rl_set_resource),
267b2b3ffcdSSimon Schubert DEVMETHOD(bus_alloc_resource, bus_generic_rl_alloc_resource),
268b2b3ffcdSSimon Schubert DEVMETHOD(bus_release_resource, bus_generic_rl_release_resource),
269b2b3ffcdSSimon Schubert DEVMETHOD(bus_driver_added, bus_generic_driver_added),
270b2b3ffcdSSimon Schubert DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
271b2b3ffcdSSimon Schubert DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
272b2b3ffcdSSimon Schubert DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
273b2b3ffcdSSimon Schubert DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
274b2b3ffcdSSimon Schubert
275d3c9c58eSSascha Wildner DEVMETHOD_END
276b2b3ffcdSSimon Schubert };
277b2b3ffcdSSimon Schubert
278b2b3ffcdSSimon Schubert static driver_t cpu_driver = {
279b2b3ffcdSSimon Schubert "cpu",
280b2b3ffcdSSimon Schubert cpu_methods,
281b2b3ffcdSSimon Schubert 1, /* no softc */
282b2b3ffcdSSimon Schubert };
283b2b3ffcdSSimon Schubert static devclass_t cpu_devclass;
284aa2b9d05SSascha Wildner DRIVER_MODULE(cpu, legacy, cpu_driver, cpu_devclass, NULL, NULL);
285b2b3ffcdSSimon Schubert
286b2b3ffcdSSimon Schubert static void
cpu_identify(driver_t * driver,device_t parent)287b2b3ffcdSSimon Schubert cpu_identify(driver_t *driver, device_t parent)
288b2b3ffcdSSimon Schubert {
289b2b3ffcdSSimon Schubert device_t child;
290b2b3ffcdSSimon Schubert int i;
291b2b3ffcdSSimon Schubert
292b2b3ffcdSSimon Schubert /*
293b2b3ffcdSSimon Schubert * Attach a cpuX device for each CPU. We use an order of 150
294b2b3ffcdSSimon Schubert * so that these devices are attached after the Host-PCI
295b2b3ffcdSSimon Schubert * bridges (which are added at order 100).
296b2b3ffcdSSimon Schubert */
297b2b3ffcdSSimon Schubert for (i = 0; i <= mp_maxid; i++)
298b2b3ffcdSSimon Schubert if (!CPU_ABSENT(i)) {
299b2b3ffcdSSimon Schubert child = BUS_ADD_CHILD(parent, 150, "cpu", i);
300b2b3ffcdSSimon Schubert if (child == NULL)
301b2b3ffcdSSimon Schubert panic("legacy_attach cpu");
302b2b3ffcdSSimon Schubert }
303b2b3ffcdSSimon Schubert }
304b2b3ffcdSSimon Schubert
305b2b3ffcdSSimon Schubert static device_t
cpu_add_child(device_t bus,int order,const char * name,int unit)306b2b3ffcdSSimon Schubert cpu_add_child(device_t bus, int order, const char *name, int unit)
307b2b3ffcdSSimon Schubert {
308b2b3ffcdSSimon Schubert struct cpu_device *cd;
309b2b3ffcdSSimon Schubert device_t child;
310b2b3ffcdSSimon Schubert struct pcpu *pc;
311b2b3ffcdSSimon Schubert
312b2b3ffcdSSimon Schubert if ((cd = kmalloc(sizeof(*cd), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL)
313b2b3ffcdSSimon Schubert return (NULL);
314b2b3ffcdSSimon Schubert
315b2b3ffcdSSimon Schubert resource_list_init(&cd->cd_rl);
316b2b3ffcdSSimon Schubert pc = pcpu_find(device_get_unit(bus));
317b2b3ffcdSSimon Schubert cd->cd_pcpu = pc;
318b2b3ffcdSSimon Schubert
319b2b3ffcdSSimon Schubert child = device_add_child_ordered(bus, order, name, unit);
320b2b3ffcdSSimon Schubert if (child != NULL) {
321b2b3ffcdSSimon Schubert pc->pc_device = child;
322b2b3ffcdSSimon Schubert device_set_ivars(child, cd);
323b2b3ffcdSSimon Schubert } else
324b2b3ffcdSSimon Schubert kfree(cd, M_DEVBUF);
325b2b3ffcdSSimon Schubert return (child);
326b2b3ffcdSSimon Schubert }
327b2b3ffcdSSimon Schubert
328b2b3ffcdSSimon Schubert static struct resource_list *
cpu_get_rlist(device_t dev,device_t child)329b2b3ffcdSSimon Schubert cpu_get_rlist(device_t dev, device_t child)
330b2b3ffcdSSimon Schubert {
331b2b3ffcdSSimon Schubert struct cpu_device *cpdev;
332b2b3ffcdSSimon Schubert
333b2b3ffcdSSimon Schubert cpdev = device_get_ivars(child);
334b2b3ffcdSSimon Schubert return (&cpdev->cd_rl);
335b2b3ffcdSSimon Schubert }
336b2b3ffcdSSimon Schubert
337b2b3ffcdSSimon Schubert static int
cpu_read_ivar(device_t dev,device_t child,int index,uintptr_t * result)338b2b3ffcdSSimon Schubert cpu_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
339b2b3ffcdSSimon Schubert {
340b2b3ffcdSSimon Schubert struct cpu_device *cpdev;
341b2b3ffcdSSimon Schubert
342b2b3ffcdSSimon Schubert if (index != CPU_IVAR_PCPU)
343b2b3ffcdSSimon Schubert return (ENOENT);
344b2b3ffcdSSimon Schubert cpdev = device_get_ivars(child);
345b2b3ffcdSSimon Schubert *result = (uintptr_t)cpdev->cd_pcpu;
346b2b3ffcdSSimon Schubert return (0);
347b2b3ffcdSSimon Schubert }
348b2b3ffcdSSimon Schubert #endif
349