mfi_pci.c revision 1.12
1 /* $NetBSD: mfi_pci.c,v 1.12 2010/02/09 00:05:18 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 (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 2010/02/09 00:05:18 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 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 { 0x0, 0, "" } 89 }; 90 91 static const 92 struct mfi_pci_device { 93 pcireg_t mpd_vendor; 94 pcireg_t mpd_product; 95 enum mfi_iop mpd_iop; 96 const struct mfi_pci_subtype *mpd_subtype; 97 } mfi_pci_devices[] = { 98 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS, 99 MFI_IOP_XSCALE, NULL }, 100 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR, 101 MFI_IOP_XSCALE, NULL }, 102 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078, 103 MFI_IOP_PPC, mfi_1078_subtypes }, 104 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS1078DE, 105 MFI_IOP_PPC, mfi_1078_subtypes }, 106 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5, 107 MFI_IOP_XSCALE, mfi_perc5_subtypes }, 108 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6, 109 MFI_IOP_PPC, mfi_1078_subtypes }, 110 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_1, 111 MFI_IOP_GEN2, mfi_gen2_subtypes }, 112 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_SAS2108_2, 113 MFI_IOP_GEN2, mfi_gen2_subtypes }, 114 }; 115 116 const struct mfi_pci_device * 117 mfi_pci_find_device(struct pci_attach_args *pa) 118 { 119 const struct mfi_pci_device *mpd; 120 int i; 121 122 for (i = 0; i < __arraycount(mfi_pci_devices); i++) { 123 mpd = &mfi_pci_devices[i]; 124 125 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) && 126 mpd->mpd_product == PCI_PRODUCT(pa->pa_id)) 127 return mpd; 128 } 129 130 return NULL; 131 } 132 133 int 134 mfi_pci_match(device_t parent, cfdata_t match, void *aux) 135 { 136 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0; 137 } 138 139 int 140 mfi_pci_detach(device_t self, int flags) 141 { 142 struct mfi_pci_softc *psc = device_private(self); 143 struct mfi_softc *sc = &psc->psc_sc; 144 int error; 145 146 if ((error = mfi_detach(sc, flags)) != 0) 147 return error; 148 149 /* xxx */ 150 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 151 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 152 return 0; 153 } 154 155 void 156 mfi_pci_attach(device_t parent, device_t self, void *aux) 157 { 158 struct mfi_pci_softc *psc = device_private(self); 159 struct mfi_softc *sc = &psc->psc_sc; 160 struct pci_attach_args *pa = aux; 161 const struct mfi_pci_device *mpd; 162 const struct mfi_pci_subtype *st; 163 const char *intrstr; 164 pci_intr_handle_t ih; 165 pcireg_t csr; 166 int regbar; 167 const char *subtype = NULL; 168 uint32_t subsysid; 169 170 sc->sc_dev = self; 171 psc->psc_pc = pa->pa_pc; 172 173 mpd = mfi_pci_find_device(pa); 174 if (mpd == NULL) { 175 printf(": can't find matching pci device\n"); 176 return; 177 } 178 179 if (mpd->mpd_iop == MFI_IOP_GEN2) 180 regbar = MFI_BAR_GEN2; 181 else 182 regbar = MFI_BAR; 183 184 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, regbar); 185 csr |= PCI_MAPREG_MEM_TYPE_32BIT; 186 if (pci_mapreg_map(pa, regbar, csr, 0, 187 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_size)) { 188 aprint_error(": can't map controller pci space\n"); 189 return; 190 } 191 192 sc->sc_dmat = pa->pa_dmat; 193 194 if (pci_intr_map(pa, &ih)) { 195 aprint_error(": can't map interrupt\n"); 196 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 197 return; 198 } 199 intrstr = pci_intr_string(pa->pa_pc, ih); 200 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc); 201 if (!sc->sc_ih) { 202 aprint_error(": can't establish interrupt"); 203 if (intrstr) 204 aprint_error(" at %s", intrstr); 205 aprint_error("\n"); 206 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 207 return; 208 } 209 210 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 211 if (mpd->mpd_subtype != NULL) { 212 st = mpd->mpd_subtype; 213 while (st->st_vendor != 0) { 214 if (PCI_VENDOR(subsysid) == st->st_vendor && 215 PCI_PRODUCT(subsysid) == st->st_product) { 216 subtype = st->st_string; 217 break; 218 } 219 st++; 220 } 221 if (subtype) 222 aprint_normal(": %s\n", subtype); 223 } 224 225 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr); 226 227 if (mfi_attach(sc, mpd->mpd_iop)) { 228 aprint_error("%s: can't attach", DEVNAME(sc)); 229 pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 230 sc->sc_ih = NULL; 231 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 232 } 233 } 234
Indexes created Mon Sep 22 13:09:51 GMT 2025