1/* $NetBSD: mfi_pci.c,v 1.19 2016/07/14 04:00:46 msaitoh Exp $ */
2/* $OpenBSD: mfi_pci.c,v 1.11 2006/08/06 04:40:08 brad Exp $ */
3/*
4 * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/cdefs.h>
20__KERNEL_RCSID(0, "$NetBSD: mfi_pci.c,v 1.19 2016/07/14 04:00:46 msaitoh Exp $");
21
22#include <sys/param.h>
23#include <sys/systm.h>
24#include <sys/kernel.h>
25#include <sys/malloc.h>
26#include <sys/device.h>
27
28#include <dev/pci/pcidevs.h>
29#include <dev/pci/pcivar.h>
30
31#include <sys/bus.h>
32
33#include <dev/scsipi/scsipi_all.h>
34#include <dev/scsipi/scsipi_disk.h>
35#include <dev/scsipi/scsiconf.h>
36
37#include <dev/ic/mfireg.h>
38#include <dev/ic/mfivar.h>
39
40#define MFI_BAR 0x10
41#define MFI_BAR_GEN2 0x14
42#define MFI_PCI_MEMSIZE 0x2000 /* 8k */
43
44struct mfi_pci_softc {
45 struct mfi_softc psc_sc;
46 pci_chipset_tag_t psc_pc;
47};
48
49const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *);
50int mfi_pci_match(device_t, cfdata_t, void *);
51void mfi_pci_attach(device_t, device_t, void *);
52int mfi_pci_detach(device_t, int);
53
54CFATTACH_DECL3_NEW(mfi_pci, sizeof(struct mfi_pci_softc),
55 mfi_pci_match, mfi_pci_attach, mfi_pci_detach, NULL, mfi_rescan,
56 mfi_childdetached, DVF_DETACH_SHUTDOWN);
57
58struct mfi_pci_subtype {
59 pcireg_t st_vendor;
60 pcireg_t st_product;
61 const char *st_string;
62};
63
64static const struct mfi_pci_subtype mfi_1078_subtypes[] = {
65 { PCI_VENDOR_SYMBIOS, 0x1006, "SAS 8888ELP" },
66 { PCI_VENDOR_SYMBIOS, 0x100a, "SAS 8708ELP" },
67 { PCI_VENDOR_SYMBIOS, 0x100f, "SAS 8708E" },
68 { PCI_VENDOR_SYMBIOS, 0x1012, "SAS 8704ELP" },
69 { PCI_VENDOR_SYMBIOS, 0x1013, "SAS 8708EM2" },
70 { PCI_VENDOR_SYMBIOS, 0x1016, "SAS 8880EM2" },
71 { PCI_VENDOR_DELL, 0x1f0a, "Dell PERC 6/e" },
72 { PCI_VENDOR_DELL, 0x1f0b, "Dell PERC 6/i" },
73 { PCI_VENDOR_DELL, 0x1f0c, "Dell PERC 6/i integrated" },
74 { PCI_VENDOR_DELL, 0x1f0d, "Dell CERC 6/i" },
75 { PCI_VENDOR_DELL, 0x1f11, "Dell CERC 6/i integrated" },
76 { 0, 0, NULL }
77};
78
79static const struct mfi_pci_subtype mfi_perc5_subtypes[] = {
80 { PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e" },
81 { PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i" },
82 { PCI_VENDOR_DELL, 0x1f03, "Dell PERC 5/i integrated" },
83 { 0, 0, NULL }
84};
85
86static const struct mfi_pci_subtype mfi_gen2_subtypes[] = {
87 { PCI_VENDOR_SYMBIOS, 0x9261, "SAS 9260-8i" },
88 { PCI_VENDOR_SYMBIOS, 0x9263, "SAS 9261-8i" },
89 { PCI_VENDOR_IBM, 0x03c7, "IBM ServeRAID M5014 SAS/SATA" },
90 { PCI_VENDOR_DELL, 0x1f15, "Dell PERC H800 Adapter" },
91 { PCI_VENDOR_DELL, 0x1f16, "Dell PERC H700 Adapter" },
92 { PCI_VENDOR_DELL, 0x1f17, "Dell PERC H700 Integrated" },
93 { PCI_VENDOR_DELL, 0x1f18, "Dell PERC H700 Modular" },
94 { PCI_VENDOR_DELL, 0x1f19, "Dell PERC H700" },
95 { PCI_VENDOR_DELL, 0x1f1a, "Dell PERC H800 Proto Adapter" },
96 { PCI_VENDOR_DELL, 0x1f1b, "Dell PERC H800" },
97 { 0x0, 0, "" }
98};
99
100static const struct mfi_pci_subtype mfi_skinny_subtypes[] = {
101 { PCI_VENDOR_IBM, 0x03b1, "IBM ServeRAID M1015 SAS/SATA" },
102 { 0x0, 0, "" }
103};
104
105static const struct mfi_pci_subtype mfi_tbolt_subtypes[] = {
106 { PCI_VENDOR_SYMBIOS, 0x9265, "SAS 9265-8i" },
107 { PCI_VENDOR_DELL, 0x1f2d, "Dell PERC H810 Adapter" },
108 { PCI_VENDOR_DELL, 0x1f30, "Dell PERC H710 Embedded" },
109 { PCI_VENDOR_DELL, 0x1f31, "Dell PERC H710P Adapter" },
110 { PCI_VENDOR_DELL, 0x1f33, "Dell PERC H710P Mini (blades)" },
111 { PCI_VENDOR_DELL, 0x1f34, "Dell PERC H710P Mini (blades)" },
112 { PCI_VENDOR_DELL, 0x1f35, "Dell PERC H710 Adapter" },
113 { PCI_VENDOR_DELL, 0x1f37, "Dell PERC H710 Mini (blades)" },
114 { PCI_VENDOR_DELL, 0x1f38, "Dell PERC H710 Mini (monolithics)" },
115 { PCI_VENDOR_INTEL, 0x9265, "Intel (R) RAID Controller RS25DB080" },
116 { PCI_VENDOR_INTEL, 0x9285, "Intel (R) RAID Controller RS25NB008" },
117 { 0x0, 0, "" }
118};
119
120static const
121struct mfi_pci_device {
122 pcireg_t mpd_vendor;
123 pcireg_t mpd_product;
124 enum mfi_iop mpd_iop;
125 const struct mfi_pci_subtype *mpd_subtype;
126} mfi_pci_devices[] = {
127 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
128 MFI_IOP_XSCALE, NULL },
129 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
130 MFI_IOP_XSCALE, NULL },
131 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078,
132 MFI_IOP_PPC, mfi_1078_subtypes },
133 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE,
134 MFI_IOP_PPC, mfi_1078_subtypes },
135 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5,
136 MFI_IOP_XSCALE, mfi_perc5_subtypes },
137 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6,
138 MFI_IOP_PPC, mfi_1078_subtypes },
139 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1,
140 MFI_IOP_GEN2, mfi_gen2_subtypes },
141 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2,
142 MFI_IOP_GEN2, mfi_gen2_subtypes },
143 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2008_1,
144 MFI_IOP_SKINNY, mfi_skinny_subtypes },
145 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_2208,
146 MFI_IOP_TBOLT, mfi_tbolt_subtypes },
147};
148
149const struct mfi_pci_device *
150mfi_pci_find_device(struct pci_attach_args *pa)
151{
152 const struct mfi_pci_device *mpd;
153 int i;
154
155 for (i = 0; i < __arraycount(mfi_pci_devices); i++) {
156 mpd = &mfi_pci_devices[i];
157
158 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) &&
159 mpd->mpd_product == PCI_PRODUCT(pa->pa_id))
160 return mpd;
161 }
162
163 return NULL;
164}
165
166int
167mfi_pci_match(device_t parent, cfdata_t match, void *aux)
168{
169 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0;
170}
171
172int
173mfi_pci_detach(device_t self, int flags)
174{
175 struct mfi_pci_softc *psc = device_private(self);
176 struct mfi_softc *sc = &psc->psc_sc;
177 int error;
178
179 if ((error = mfi_detach(sc, flags)) != 0)
180 return error;
181
182 /* xxx */
183 pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
184 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
185 return 0;
186}
187
188void
189mfi_pci_attach(device_t parent, device_t self, void *aux)
190{
191 struct mfi_pci_softc *psc = device_private(self);
192 struct mfi_softc *sc = &psc->psc_sc;
193 struct pci_attach_args *pa = aux;
194 const struct mfi_pci_device *mpd;
195 const struct mfi_pci_subtype *st;
196 const char *intrstr;
197 pci_intr_handle_t ih;
198 pcireg_t csr;
199 int regbar;
200 const char *subtype = NULL;
201 uint32_t subsysid;
202 char intrbuf[PCI_INTRSTR_LEN];
203
204 sc->sc_dev = self;
205 psc->psc_pc = pa->pa_pc;
206
207 mpd = mfi_pci_find_device(pa);
208 if (mpd == NULL) {
209 aprint_error(": can't find matching pci device\n");
210 return;
211 }
212
213 if (mpd->mpd_iop == MFI_IOP_GEN2 || mpd->mpd_iop == MFI_IOP_SKINNY ||
214 mpd->mpd_iop == MFI_IOP_TBOLT)
215 regbar = MFI_BAR_GEN2;
216 else
217 regbar = MFI_BAR;
218
219 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar);
220 csr |= PCI_MAPREG_MEM_TYPE_32BIT;
221 if (pci_mapreg_map(pa, regbar, csr, 0,
222 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
223 aprint_error(": can't map controller pci space\n");
224 return;
225 }
226
227 sc->sc_dmat = pa->pa_dmat;
228 if (mpd->mpd_iop == MFI_IOP_TBOLT && pci_dma64_available(pa)) {
229 sc->sc_datadmat = pa->pa_dmat64;
230 sc->sc_64bit_dma = 1;
231 } else {
232 sc->sc_datadmat = pa->pa_dmat;
233 sc->sc_64bit_dma = 0;
234 }
235
236 if (pci_intr_map(pa, &ih)) {
237 aprint_error(": can't map interrupt\n");
238 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
239 return;
240 }
241 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf));
242 if (mpd->mpd_iop == MFI_IOP_TBOLT) {
243 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
244 mfi_tbolt_intrh, sc);
245 } else {
246 sc->sc_ih =
247 pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
248 }
249 if (!sc->sc_ih) {
250 aprint_error(": can't establish interrupt");
251 if (intrstr)
252 aprint_error(" at %s", intrstr);
253 aprint_error("\n");
254 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
255 return;
256 }
257
258 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
259 if (mpd->mpd_subtype != NULL) {
260 st = mpd->mpd_subtype;
261 while (st->st_vendor != 0) {
262 if (PCI_VENDOR(subsysid) == st->st_vendor &&
263 PCI_PRODUCT(subsysid) == st->st_product) {
264 subtype = st->st_string;
265 break;
266 }
267 st++;
268 }
269 if (subtype) {
270 aprint_normal(": %s\n", subtype);
271 } else {
272 aprint_normal(": vendor 0x%x product 0x%x\n",
273 PCI_VENDOR(subsysid), PCI_PRODUCT(subsysid));
274 }
275 }
276
277 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr);
278
279 if (mfi_attach(sc, mpd->mpd_iop)) {
280 aprint_error("%s: can't attach", DEVNAME(sc));
281 pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
282 sc->sc_ih = NULL;
283 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
284 }
285}
286