mfi_pci.c revision 1.5.14.2 1 /* $NetBSD: mfi_pci.c,v 1.5.14.2 2012/09/30 18:03:43 bouyer 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 1.5.14.2 2012/09/30 18:03:43 bouyer 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 const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *);
45 int mfi_pci_match(device_t, cfdata_t, void *);
46 void mfi_pci_attach(device_t, device_t, void *);
47
48 CFATTACH_DECL_NEW(mfi_pci, sizeof(struct mfi_softc),
49 mfi_pci_match, mfi_pci_attach, NULL, NULL);
50
51 struct mfi_pci_subtype {
52 pcireg_t st_vendor;
53 pcireg_t st_product;
54 const char *st_string;
55 };
56
57 static const struct mfi_pci_subtype mfi_1078_subtypes[] = {
58 { PCI_VENDOR_SYMBIOS, 0x1006, "SAS 8888ELP" },
59 { PCI_VENDOR_SYMBIOS, 0x100a, "SAS 8708ELP" },
60 { PCI_VENDOR_SYMBIOS, 0x100f, "SAS 8708E" },
61 { PCI_VENDOR_SYMBIOS, 0x1012, "SAS 8704ELP" },
62 { PCI_VENDOR_SYMBIOS, 0x1013, "SAS 8708EM2" },
63 { PCI_VENDOR_SYMBIOS, 0x1016, "SAS 8880EM2" },
64 { PCI_VENDOR_DELL, 0x1f0a, "Dell PERC 6/e" },
65 { PCI_VENDOR_DELL, 0x1f0b, "Dell PERC 6/i" },
66 { PCI_VENDOR_DELL, 0x1f0c, "Dell PERC 6/i integrated" },
67 { PCI_VENDOR_DELL, 0x1f0d, "Dell CERC 6/i" },
68 { PCI_VENDOR_DELL, 0x1f11, "Dell CERC 6/i integrated" },
69 { 0, 0, NULL }
70 };
71
72 static const struct mfi_pci_subtype mfi_perc5_subtypes[] = {
73 { PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e" },
74 { PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i" },
75 { PCI_VENDOR_DELL, 0x1f03, "Dell PERC 5/i integrated" },
76 { 0, 0, NULL }
77 };
78
79 static const struct mfi_pci_subtype mfi_gen2_subtypes[] = {
80 { PCI_VENDOR_SYMBIOS, 0x9261, "SAS 9260-8i" },
81 { PCI_VENDOR_SYMBIOS, 0x9263, "SAS 9261-8i" },
82 { 0x0, 0, "" }
83 };
84
85 static const
86 struct mfi_pci_device {
87 pcireg_t mpd_vendor;
88 pcireg_t mpd_product;
89 enum mfi_iop mpd_iop;
90 const struct mfi_pci_subtype *mpd_subtype;
91 } mfi_pci_devices[] = {
92 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS,
93 MFI_IOP_XSCALE, NULL },
94 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR,
95 MFI_IOP_XSCALE, NULL },
96 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078,
97 MFI_IOP_PPC, mfi_1078_subtypes },
98 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE,
99 MFI_IOP_PPC, mfi_1078_subtypes },
100 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5,
101 MFI_IOP_XSCALE, mfi_perc5_subtypes },
102 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6,
103 MFI_IOP_PPC, mfi_1078_subtypes },
104 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1,
105 MFI_IOP_GEN2, mfi_gen2_subtypes },
106 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2,
107 MFI_IOP_GEN2, mfi_gen2_subtypes },
108 };
109
110 const struct mfi_pci_device *
111 mfi_pci_find_device(struct pci_attach_args *pa)
112 {
113 const struct mfi_pci_device *mpd;
114 int i;
115
116 for (i = 0; i < __arraycount(mfi_pci_devices); i++) {
117 mpd = &mfi_pci_devices[i];
118
119 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) &&
120 mpd->mpd_product == PCI_PRODUCT(pa->pa_id))
121 return mpd;
122 }
123
124 return NULL;
125 }
126
127 int
128 mfi_pci_match(device_t parent, cfdata_t match, void *aux)
129 {
130 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0;
131 }
132
133 void
134 mfi_pci_attach(device_t parent, device_t self, void *aux)
135 {
136 struct mfi_softc *sc = device_private(self);
137 struct pci_attach_args *pa = aux;
138 const struct mfi_pci_device *mpd;
139 const struct mfi_pci_subtype *st;
140 const char *intrstr;
141 pci_intr_handle_t ih;
142 bus_size_t size;
143 pcireg_t csr;
144 int regbar;
145 const char *subtype = NULL;
146 uint32_t subsysid;
147
148 sc->sc_dev = self;
149 mpd = mfi_pci_find_device(pa);
150 if (mpd == NULL) {
151 printf(": can't find matching pci device\n");
152 return;
153 }
154
155 if (mpd->mpd_iop == MFI_IOP_GEN2)
156 regbar = MFI_BAR_GEN2;
157 else
158 regbar = MFI_BAR;
159
160 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar);
161 csr |= PCI_MAPREG_MEM_TYPE_32BIT;
162 if (pci_mapreg_map(pa, regbar, csr, 0,
163 &sc->sc_iot, &sc->sc_ioh, NULL, &size)) {
164 aprint_error(": can't map controller pci space\n");
165 return;
166 }
167
168 sc->sc_dmat = pa->pa_dmat;
169
170 if (pci_intr_map(pa, &ih)) {
171 aprint_error(": can't map interrupt\n");
172 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
173 return;
174 }
175 intrstr = pci_intr_string(pa->pa_pc, ih);
176 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc);
177 if (!sc->sc_ih) {
178 aprint_error(": can't establish interrupt");
179 if (intrstr)
180 aprint_error(" at %s", intrstr);
181 aprint_error("\n");
182 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
183 return;
184 }
185
186 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
187 if (mpd->mpd_subtype != NULL) {
188 st = mpd->mpd_subtype;
189 while (st->st_vendor != 0) {
190 if (PCI_VENDOR(subsysid) == st->st_vendor &&
191 PCI_PRODUCT(subsysid) == st->st_product) {
192 subtype = st->st_string;
193 break;
194 }
195 st++;
196 }
197 if (subtype)
198 aprint_normal(": %s\n", subtype);
199 }
200
201 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr);
202
203 if (mfi_attach(sc, mpd->mpd_iop)) {
204 aprint_error("%s: can't attach", DEVNAME(sc));
205 pci_intr_disestablish(pa->pa_pc, sc->sc_ih);
206 sc->sc_ih = NULL;
207 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size);
208 }
209 }
210