1 /* $NetBSD: mfi_pci.c,v 1.20 2018/12/09 11:14:02 jdolecek 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 1.20 2018/12/09 11:14:02 jdolecek 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 { 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 }; 99 100 static const struct mfi_pci_subtype mfi_skinny_subtypes[] = { 101 { PCI_VENDOR_IBM, 0x03b1, "IBM ServeRAID M1015 SAS/SATA" }, 102 { 0x0, 0, "" } 103 }; 104 105 static 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 }; 119 120 static const 121 struct 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 }; 148 149 const struct mfi_pci_device * 150 mfi_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 } 165 166 int 167 mfi_pci_match(device_t parent, cfdata_t match, void *aux) 168 { 169 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0; 170 } 171 172 int 173 mfi_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 } 187 188 void 189 mfi_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_xname(pa->pa_pc, ih, IPL_BIO, 244 mfi_tbolt_intrh, sc, device_xname(self)); 245 } else { 246 sc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_BIO, 247 mfi_intr, sc, device_xname(self)); 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