mfi_pci.c revision 1.12.16.2.2.1 1 /* $NetBSD: mfi_pci.c,v 1.12.16.2.2.1 2012/11/01 16:45:02 matt 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 (at) 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 1.12.16.2.2.1 2012/11/01 16:45:02 matt 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
44 struct mfi_pci_softc {
45 struct mfi_softc psc_sc;
46 pci_chipset_tag_t psc_pc;
47 };
48
49 const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *);
50 int mfi_pci_match(device_t, cfdata_t, void *);
51 void mfi_pci_attach(device_t, device_t, void *);
52 int mfi_pci_detach(device_t, int);
53
54 CFATTACH_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
58 struct mfi_pci_subtype {
59 pcireg_t st_vendor;
60 pcireg_t st_product;
61 const char *st_string;
62 };
63
64 static 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
79 static 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
86 static 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 { 0x0, 0, "" }
91 };
92
93 static const struct mfi_pci_subtype mfi_skinny_subtypes[] = {
94 { PCI_VENDOR_IBM, 0x03b1, "IBM ServeRAID M1015 SAS/SATA" },
95 { 0x0, 0, "" }
96 };
97
98 static const
99 struct mfi_pci_device {
100 pcireg_t mpd_vendor;
101 pcireg_t mpd_product;
102 enum mfi_iop mpd_iop;
103 const struct mfi_pci_subtype *mpd_subtype;
104 } mfi_pci_devices[] = {
105 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
106 MFI_IOP_XSCALE, NULL },
107 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
108 MFI_IOP_XSCALE, NULL },
109 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078,
110 MFI_IOP_PPC, mfi_1078_subtypes },
111 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE,
112 MFI_IOP_PPC, mfi_1078_subtypes },
113 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5,
114 MFI_IOP_XSCALE, mfi_perc5_subtypes },
115 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6,
116 MFI_IOP_PPC, mfi_1078_subtypes },
117 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1,
118 MFI_IOP_GEN2, mfi_gen2_subtypes },
119 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2,
120 MFI_IOP_GEN2, mfi_gen2_subtypes },
121 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2008_1,
122 MFI_IOP_SKINNY, mfi_skinny_subtypes },
123 };
124
125 const struct mfi_pci_device *
126 mfi_pci_find_device(struct pci_attach_args *pa)
127 {
128 const struct mfi_pci_device *mpd;
129 int i;
130
131 for (i = 0; i < __arraycount(mfi_pci_devices); i++) {
132 mpd = &mfi_pci_devices[i];
133
134 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) &&
135 mpd->mpd_product == PCI_PRODUCT(pa->pa_id))
136 return mpd;
137 }
138
139 return NULL;
140 }
141
142 int
143 mfi_pci_match(device_t parent, cfdata_t match, void *aux)
144 {
145 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0;
146 }
147
148 int
149 mfi_pci_detach(device_t self, int flags)
150 {
151 struct mfi_pci_softc *psc = device_private(self);
152 struct mfi_softc *sc = &psc->psc_sc;
153 int error;
154
155 if ((error = mfi_detach(sc, flags)) != 0)
156 return error;
157
158 /* xxx */
159 pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
160 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
161 return 0;
162 }
163
164 void
165 mfi_pci_attach(device_t parent, device_t self, void *aux)
166 {
167 struct mfi_pci_softc *psc = device_private(self);
168 struct mfi_softc *sc = &psc->psc_sc;
169 struct pci_attach_args *pa = aux;
170 const struct mfi_pci_device *mpd;
171 const struct mfi_pci_subtype *st;
172 const char *intrstr;
173 pci_intr_handle_t ih;
174 pcireg_t csr;
175 int regbar;
176 const char *subtype = NULL;
177 uint32_t subsysid;
178
179 sc->sc_dev = self;
180 psc->psc_pc = pa->pa_pc;
181
182 mpd = mfi_pci_find_device(pa);
183 if (mpd == NULL) {
184 printf(": can't find matching pci device\n");
185 return;
186 }
187
188 sc->sc_flags = mpd->mpd_iop;
189
190 if (mpd->mpd_iop == MFI_IOP_GEN2 || mpd->mpd_iop == MFI_IOP_SKINNY)
191 regbar = MFI_BAR_GEN2;
192 else
193 regbar = MFI_BAR;
194
195 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar);
196 csr |= PCI_MAPREG_MEM_TYPE_32BIT;
197 if (pci_mapreg_map(pa, regbar, csr, 0,
198 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) {
199 aprint_error(": can't map controller pci space\n");
200 return;
201 }
202
203 sc->sc_dmat = pa->pa_dmat;
204
205 if (pci_intr_map(pa, &ih)) {
206 aprint_error(": can't map interrupt\n");
207 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
208 return;
209 }
210 intrstr = pci_intr_string(pa->pa_pc, ih);
211 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
212 if (!sc->sc_ih) {
213 aprint_error(": can't establish interrupt");
214 if (intrstr)
215 aprint_error(" at %s", intrstr);
216 aprint_error("\n");
217 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
218 return;
219 }
220
221 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
222 if (mpd->mpd_subtype != NULL) {
223 st = mpd->mpd_subtype;
224 while (st->st_vendor != 0) {
225 if (PCI_VENDOR(subsysid) == st->st_vendor &&
226 PCI_PRODUCT(subsysid) == st->st_product) {
227 subtype = st->st_string;
228 break;
229 }
230 st++;
231 }
232 if (subtype)
233 aprint_normal(": %s\n", subtype);
234 }
235
236 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr);
237
238 if (mfi_attach(sc, mpd->mpd_iop)) {
239 aprint_error("%s: can't attach", DEVNAME(sc));
240 pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
241 sc->sc_ih = NULL;
242 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);
243 }
244 }
245