2 * Copyright (c) 2015-2016 Chelsio Communications, Inc.
4 * Written by: John Baldwin <jhb@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
35 #include <sys/systm.h>
36 #include <dev/pci/pcivar.h>
40 #include <sys/iov_schema.h>
41 #include <dev/pci/pci_iov.h>
56 {0x4000, "Chelsio T440-dbg"},
57 {0x4001, "Chelsio T420-CR"},
58 {0x4002, "Chelsio T422-CR"},
59 {0x4003, "Chelsio T440-CR"},
60 {0x4004, "Chelsio T420-BCH"},
61 {0x4005, "Chelsio T440-BCH"},
62 {0x4006, "Chelsio T440-CH"},
63 {0x4007, "Chelsio T420-SO"},
64 {0x4008, "Chelsio T420-CX"},
65 {0x4009, "Chelsio T420-BT"},
66 {0x400a, "Chelsio T404-BT"},
67 {0x400e, "Chelsio T440-LP-CR"},
69 {0x5000, "Chelsio T580-dbg"},
70 {0x5001, "Chelsio T520-CR"}, /* 2 x 10G */
71 {0x5002, "Chelsio T522-CR"}, /* 2 x 10G, 2 X 1G */
72 {0x5003, "Chelsio T540-CR"}, /* 4 x 10G */
73 {0x5007, "Chelsio T520-SO"}, /* 2 x 10G, nomem */
74 {0x5009, "Chelsio T520-BT"}, /* 2 x 10GBaseT */
75 {0x500a, "Chelsio T504-BT"}, /* 4 x 1G */
76 {0x500d, "Chelsio T580-CR"}, /* 2 x 40G */
77 {0x500e, "Chelsio T540-LP-CR"}, /* 4 x 10G */
78 {0x5010, "Chelsio T580-LP-CR"}, /* 2 x 40G */
79 {0x5011, "Chelsio T520-LL-CR"}, /* 2 x 10G */
80 {0x5012, "Chelsio T560-CR"}, /* 1 x 40G, 2 x 10G */
81 {0x5014, "Chelsio T580-LP-SO-CR"}, /* 2 x 40G, nomem */
82 {0x5015, "Chelsio T502-BT"}, /* 2 x 1G */
84 {0x5004, "Chelsio T520-BCH"},
85 {0x5005, "Chelsio T540-BCH"},
86 {0x5006, "Chelsio T540-CH"},
87 {0x5008, "Chelsio T520-CX"},
88 {0x500b, "Chelsio B520-SR"},
89 {0x500c, "Chelsio B504-BT"},
90 {0x500f, "Chelsio Amsterdam"},
91 {0x5013, "Chelsio T580-CHR"},
95 static int t4iov_attach_child(device_t dev);
98 t4iov_probe(device_t dev)
103 d = pci_get_device(dev);
104 for (i = 0; i < nitems(t4iov_pciids); i++) {
105 if (d == t4iov_pciids[i].device) {
106 device_set_desc(dev, t4iov_pciids[i].desc);
108 return (BUS_PROBE_DEFAULT);
115 t5iov_probe(device_t dev)
120 d = pci_get_device(dev);
121 for (i = 0; i < nitems(t5iov_pciids); i++) {
122 if (d == t5iov_pciids[i].device) {
123 device_set_desc(dev, t5iov_pciids[i].desc);
125 return (BUS_PROBE_DEFAULT);
132 t4iov_attach(device_t dev)
134 struct t4iov_softc *sc;
136 sc = device_get_softc(dev);
139 sc->sc_main = pci_find_dbsf(pci_get_domain(dev), pci_get_bus(dev),
140 pci_get_slot(dev), 4);
141 if (T4_IS_MAIN_READY(sc->sc_main) == 0)
142 return (t4iov_attach_child(dev));
147 t4iov_attach_child(device_t dev)
149 struct t4iov_softc *sc;
151 nvlist_t *pf_schema, *vf_schema;
156 sc = device_get_softc(dev);
157 MPASS(!sc->sc_attached);
160 * PF0-3 are associated with a specific port on the NIC (PF0
161 * with port 0, etc.). Ask the PF4 driver for the device for
162 * this function's associated port to determine if the port is
165 error = T4_READ_PORT_DEVICE(sc->sc_main, pci_get_function(dev), &pdev);
170 pf_schema = pci_iov_schema_alloc_node();
171 vf_schema = pci_iov_schema_alloc_node();
172 error = pci_iov_attach_name(dev, pf_schema, vf_schema, "%s",
173 device_get_nameunit(pdev));
175 device_printf(dev, "Failed to initialize SR-IOV: %d\n", error);
180 sc->sc_attached = true;
185 t4iov_detach_child(device_t dev)
187 struct t4iov_softc *sc;
192 sc = device_get_softc(dev);
193 if (!sc->sc_attached)
197 error = pci_iov_detach(dev);
199 device_printf(dev, "Failed to disable SR-IOV\n");
204 sc->sc_attached = false;
209 t4iov_detach(device_t dev)
211 struct t4iov_softc *sc;
214 sc = device_get_softc(dev);
215 if (sc->sc_attached) {
216 error = t4iov_detach_child(dev);
225 t4iov_iov_init(device_t dev, uint16_t num_vfs, const struct nvlist *config)
228 /* XXX: The Linux driver sets up a vf_monitor task on T4 adapters. */
233 t4iov_iov_uninit(device_t dev)
238 t4iov_add_vf(device_t dev, uint16_t vfnum, const struct nvlist *config)
245 static device_method_t t4iov_methods[] = {
246 DEVMETHOD(device_probe, t4iov_probe),
247 DEVMETHOD(device_attach, t4iov_attach),
248 DEVMETHOD(device_detach, t4iov_detach),
251 DEVMETHOD(pci_iov_init, t4iov_iov_init),
252 DEVMETHOD(pci_iov_uninit, t4iov_iov_uninit),
253 DEVMETHOD(pci_iov_add_vf, t4iov_add_vf),
256 DEVMETHOD(t4_attach_child, t4iov_attach_child),
257 DEVMETHOD(t4_detach_child, t4iov_detach_child),
262 static driver_t t4iov_driver = {
265 sizeof(struct t4iov_softc)
268 static device_method_t t5iov_methods[] = {
269 DEVMETHOD(device_probe, t5iov_probe),
270 DEVMETHOD(device_attach, t4iov_attach),
271 DEVMETHOD(device_detach, t4iov_detach),
274 DEVMETHOD(pci_iov_init, t4iov_iov_init),
275 DEVMETHOD(pci_iov_uninit, t4iov_iov_uninit),
276 DEVMETHOD(pci_iov_add_vf, t4iov_add_vf),
279 DEVMETHOD(t4_attach_child, t4iov_attach_child),
280 DEVMETHOD(t4_detach_child, t4iov_detach_child),
285 static driver_t t5iov_driver = {
288 sizeof(struct t4iov_softc)
291 static devclass_t t4iov_devclass, t5iov_devclass;
293 DRIVER_MODULE(t4iov, pci, t4iov_driver, t4iov_devclass, 0, 0);
294 MODULE_VERSION(t4iov, 1);
296 DRIVER_MODULE(t5iov, pci, t5iov_driver, t5iov_devclass, 0, 0);
297 MODULE_VERSION(t5iov, 1);