1 /* $NetBSD: mfi_pci.c,v 1.14 2012/03/22 15:05:36 sborrill 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 1.14 2012/03/22 15:05:36 sborrill 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_IBM, 0x03c7, "IBM ServeRAID M5014 SAS/SATA" }, 89 { 0x0, 0, "" } 90 }; 91 92 static const struct mfi_pci_subtype mfi_skinny_subtypes[] = { 93 { PCI_VENDOR_IBM, 0x03b1, "IBM ServeRAID M1015 SAS/SATA" }, 94 { 0x0, 0, "" } 95 }; 96 97 static const 98 struct mfi_pci_device { 99 pcireg_t mpd_vendor; 100 pcireg_t mpd_product; 101 enum mfi_iop mpd_iop; 102 const struct mfi_pci_subtype *mpd_subtype; 103 } mfi_pci_devices[] = { 104 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS, 105 MFI_IOP_XSCALE, NULL }, 106 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR, 107 MFI_IOP_XSCALE, NULL }, 108 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078, 109 MFI_IOP_PPC, mfi_1078_subtypes }, 110 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE, 111 MFI_IOP_PPC, mfi_1078_subtypes }, 112 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5, 113 MFI_IOP_XSCALE, mfi_perc5_subtypes }, 114 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6, 115 MFI_IOP_PPC, mfi_1078_subtypes }, 116 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1, 117 MFI_IOP_GEN2, mfi_gen2_subtypes }, 118 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2, 119 MFI_IOP_GEN2, mfi_gen2_subtypes }, 120 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2008_1, 121 MFI_IOP_SKINNY, mfi_skinny_subtypes }, 122 }; 123 124 const struct mfi_pci_device * 125 mfi_pci_find_device(struct pci_attach_args *pa) 126 { 127 const struct mfi_pci_device *mpd; 128 int i; 129 130 for (i = 0; i < __arraycount(mfi_pci_devices); i++) { 131 mpd = &mfi_pci_devices[i]; 132 133 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) && 134 mpd->mpd_product == PCI_PRODUCT(pa->pa_id)) 135 return mpd; 136 } 137 138 return NULL; 139 } 140 141 int 142 mfi_pci_match(device_t parent, cfdata_t match, void *aux) 143 { 144 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0; 145 } 146 147 int 148 mfi_pci_detach(device_t self, int flags) 149 { 150 struct mfi_pci_softc *psc = device_private(self); 151 struct mfi_softc *sc = &psc->psc_sc; 152 int error; 153 154 if ((error = mfi_detach(sc, flags)) != 0) 155 return error; 156 157 /* xxx */ 158 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 159 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 160 return 0; 161 } 162 163 void 164 mfi_pci_attach(device_t parent, device_t self, void *aux) 165 { 166 struct mfi_pci_softc *psc = device_private(self); 167 struct mfi_softc *sc = &psc->psc_sc; 168 struct pci_attach_args *pa = aux; 169 const struct mfi_pci_device *mpd; 170 const struct mfi_pci_subtype *st; 171 const char *intrstr; 172 pci_intr_handle_t ih; 173 pcireg_t csr; 174 int regbar; 175 const char *subtype = NULL; 176 uint32_t subsysid; 177 178 sc->sc_dev = self; 179 psc->psc_pc = pa->pa_pc; 180 181 mpd = mfi_pci_find_device(pa); 182 if (mpd == NULL) { 183 printf(": can't find matching pci device\n"); 184 return; 185 } 186 187 sc->sc_flags = mpd->mpd_iop; 188 189 if (mpd->mpd_iop == MFI_IOP_GEN2 || mpd->mpd_iop == MFI_IOP_SKINNY) 190 regbar = MFI_BAR_GEN2; 191 else 192 regbar = MFI_BAR; 193 194 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar); 195 csr |= PCI_MAPREG_MEM_TYPE_32BIT; 196 if (pci_mapreg_map(pa, regbar, csr, 0, 197 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) { 198 aprint_error(": can't map controller pci space\n"); 199 return; 200 } 201 202 sc->sc_dmat = pa->pa_dmat; 203 204 if (pci_intr_map(pa, &ih)) { 205 aprint_error(": can't map interrupt\n"); 206 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 207 return; 208 } 209 intrstr = pci_intr_string(pa->pa_pc, ih); 210 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc); 211 if (!sc->sc_ih) { 212 aprint_error(": can't establish interrupt"); 213 if (intrstr) 214 aprint_error(" at %s", intrstr); 215 aprint_error("\n"); 216 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 217 return; 218 } 219 220 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 221 if (mpd->mpd_subtype != NULL) { 222 st = mpd->mpd_subtype; 223 while (st->st_vendor != 0) { 224 if (PCI_VENDOR(subsysid) == st->st_vendor && 225 PCI_PRODUCT(subsysid) == st->st_product) { 226 subtype = st->st_string; 227 break; 228 } 229 st++; 230 } 231 if (subtype) 232 aprint_normal(": %s\n", subtype); 233 } 234 235 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr); 236 237 if (mfi_attach(sc, mpd->mpd_iop)) { 238 aprint_error("%s: can't attach", DEVNAME(sc)); 239 pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 240 sc->sc_ih = NULL; 241 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 242 } 243 } 244