mfi_pci.c revision 1.5.18.2
1 /* $NetBSD: mfi_pci.c,v 1.5.18.2 2009/07/23 23:31:58 jym 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 1.5.18.2 2009/07/23 23:31:58 jym 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_PCI_MEMSIZE 0x2000 /* 8k */ 42 43 struct mfi_pci_softc { 44 struct mfi_softc psc_sc; 45 pci_chipset_tag_t psc_pc; 46 }; 47 48 const struct mfi_pci_device *mfi_pci_find_device(struct pci_attach_args *); 49 int mfi_pci_match(device_t, cfdata_t, void *); 50 void mfi_pci_attach(device_t, device_t, void *); 51 int mfi_pci_detach(device_t, int); 52 53 CFATTACH_DECL3_NEW(mfi_pci, sizeof(struct mfi_pci_softc), 54 mfi_pci_match, mfi_pci_attach, mfi_pci_detach, NULL, mfi_rescan, 55 mfi_childdetached, DVF_DETACH_SHUTDOWN); 56 57 struct mfi_pci_subtype { 58 pcireg_t st_vendor; 59 pcireg_t st_product; 60 const char *st_string; 61 }; 62 63 static const struct mfi_pci_subtype mfi_1078_subtypes[] = { 64 { PCI_VENDOR_SYMBIOS, 0x1006, "SAS 8888ELP" }, 65 { PCI_VENDOR_SYMBIOS, 0x100a, "SAS 8708ELP" }, 66 { PCI_VENDOR_SYMBIOS, 0x100f, "SAS 8708E" }, 67 { PCI_VENDOR_SYMBIOS, 0x1012, "SAS 8704ELP" }, 68 { PCI_VENDOR_SYMBIOS, 0x1013, "SAS 8708EM2" }, 69 { PCI_VENDOR_SYMBIOS, 0x1016, "SAS 8880EM2" }, 70 { PCI_VENDOR_DELL, 0x1f0a, "Dell PERC 6/e" }, 71 { PCI_VENDOR_DELL, 0x1f0b, "Dell PERC 6/i" }, 72 { PCI_VENDOR_DELL, 0x1f0c, "Dell PERC 6/i integrated" }, 73 { PCI_VENDOR_DELL, 0x1f0d, "Dell CERC 6/i" }, 74 { PCI_VENDOR_DELL, 0x1f11, "Dell CERC 6/i integrated" }, 75 { 0, 0, NULL } 76 }; 77 78 static const struct mfi_pci_subtype mfi_perc5_subtypes[] = { 79 { PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e" }, 80 { PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i" }, 81 { PCI_VENDOR_DELL, 0x1f03, "Dell PERC 5/i integrated" }, 82 { 0, 0, NULL } 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_DELL, PCI_PRODUCT_DELL_PERC_5, 99 MFI_IOP_XSCALE, mfi_perc5_subtypes }, 100 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_6, 101 MFI_IOP_PPC, mfi_1078_subtypes }, 102 }; 103 104 const struct mfi_pci_device * 105 mfi_pci_find_device(struct pci_attach_args *pa) 106 { 107 const struct mfi_pci_device *mpd; 108 int i; 109 110 for (i = 0; i < __arraycount(mfi_pci_devices); i++) { 111 mpd = &mfi_pci_devices[i]; 112 113 if (mpd->mpd_vendor == PCI_VENDOR(pa->pa_id) && 114 mpd->mpd_product == PCI_PRODUCT(pa->pa_id)) 115 return mpd; 116 } 117 118 return NULL; 119 } 120 121 int 122 mfi_pci_match(device_t parent, cfdata_t match, void *aux) 123 { 124 return (mfi_pci_find_device(aux) != NULL) ? 1 : 0; 125 } 126 127 int 128 mfi_pci_detach(device_t self, int flags) 129 { 130 struct mfi_pci_softc *psc = device_private(self); 131 struct mfi_softc *sc = &psc->psc_sc; 132 int error; 133 134 if ((error = mfi_detach(sc, flags)) != 0) 135 return error; 136 137 /* xxx */ 138 pci_intr_disestablish(psc->psc_pc, sc->sc_ih); 139 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 140 return 0; 141 } 142 143 void 144 mfi_pci_attach(device_t parent, device_t self, void *aux) 145 { 146 struct mfi_pci_softc *psc = device_private(self); 147 struct mfi_softc *sc = &psc->psc_sc; 148 struct pci_attach_args *pa = aux; 149 const struct mfi_pci_device *mpd; 150 const struct mfi_pci_subtype *st; 151 const char *intrstr; 152 pci_intr_handle_t ih; 153 pcireg_t csr; 154 const char *subtype = NULL; 155 uint32_t subsysid; 156 157 sc->sc_dev = self; 158 psc->psc_pc = pa->pa_pc; 159 160 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR); 161 csr |= PCI_MAPREG_MEM_TYPE_32BIT; 162 if (pci_mapreg_map(pa, MFI_BAR, csr, 0, 163 &sc->sc_iot, &sc->sc_ioh, NULL, &sc->sc_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, sc->sc_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, sc->sc_size); 183 return; 184 } 185 186 mpd = mfi_pci_find_device(pa); 187 188 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 189 if (mpd->mpd_subtype != NULL) { 190 st = mpd->mpd_subtype; 191 while (st->st_vendor != 0) { 192 if (PCI_VENDOR(subsysid) == st->st_vendor && 193 PCI_PRODUCT(subsysid) == st->st_product) { 194 subtype = st->st_string; 195 break; 196 } 197 st++; 198 } 199 if (subtype) 200 aprint_normal(": %s\n", subtype); 201 } 202 203 aprint_normal("%s: interrupting at %s\n", DEVNAME(sc), intrstr); 204 205 if (mfi_attach(sc, mpd->mpd_iop)) { 206 aprint_error("%s: can't attach", DEVNAME(sc)); 207 pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 208 sc->sc_ih = NULL; 209 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size); 210 } 211 } 212
Indexes created Thu Oct 02 01:09:59 GMT 2025