1 /* $NetBSD: mfi_pci.c,v 1.3 2007/10/19 12:00:52 ad 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 1.3 2007/10/19 12:00:52 ad 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 int mfi_pci_find_device(void *); 44 int mfi_pci_match(struct device *, struct cfdata *, void *); 45 void mfi_pci_attach(struct device *, struct device *, void *); 46 47 CFATTACH_DECL(mfi_pci, sizeof(struct mfi_softc), 48 mfi_pci_match, mfi_pci_attach, NULL, NULL); 49 50 struct mfi_pci_device { 51 pcireg_t mpd_vendor; 52 pcireg_t mpd_product; 53 pcireg_t mpd_subvendor; 54 pcireg_t mpd_subproduct; 55 const char *mpd_model; 56 uint32_t mpd_flags; 57 }; 58 59 static const 60 struct mfi_pci_device mfi_pci_devices[] = { 61 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_SAS, 62 0, 0, "", 0 }, 63 { PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_MEGARAID_VERDE_ZCR, 64 0, 0, "", 0 }, 65 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5, 66 PCI_VENDOR_DELL, 0x1f01, "Dell PERC 5/e", 0 }, 67 { PCI_VENDOR_DELL, PCI_PRODUCT_DELL_PERC_5, 68 PCI_VENDOR_DELL, 0x1f02, "Dell PERC 5/i", 0 }, 69 { 0, 0, 70 0, 0, NULL, 0} 71 }; 72 73 int 74 mfi_pci_find_device(void *aux) { 75 struct pci_attach_args *pa = aux; 76 int i; 77 78 for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) { 79 if (mfi_pci_devices[i].mpd_vendor == PCI_VENDOR(pa->pa_id) && 80 mfi_pci_devices[i].mpd_product == PCI_PRODUCT(pa->pa_id)) { 81 DNPRINTF(MFI_D_MISC, "mfi_pci_find_device: %i\n", i); 82 return (i); 83 } 84 } 85 86 return (-1); 87 } 88 89 int 90 mfi_pci_match(struct device *parent, struct cfdata *match, void *aux) 91 { 92 int i; 93 94 if ((i = mfi_pci_find_device(aux)) != -1) { 95 DNPRINTF(MFI_D_MISC, 96 "mfi_pci_match: vendor: %04x product: %04x\n", 97 mfi_pci_devices[i].mpd_vendor, 98 mfi_pci_devices[i].mpd_product); 99 100 return (1); 101 } 102 103 return (0); 104 } 105 106 void 107 mfi_pci_attach(struct device *parent, struct device *self, void *aux) 108 { 109 struct mfi_softc *sc = (struct mfi_softc *)self; 110 struct pci_attach_args *pa = aux; 111 const char *intrstr; 112 pci_intr_handle_t ih; 113 bus_size_t size; 114 pcireg_t csr; 115 uint32_t subsysid, i; 116 117 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 118 for (i = 0; mfi_pci_devices[i].mpd_vendor; i++) 119 if (mfi_pci_devices[i].mpd_subvendor == PCI_VENDOR(subsysid) && 120 mfi_pci_devices[i].mpd_subproduct == PCI_PRODUCT(subsysid)){ 121 aprint_normal(", %s", 122 mfi_pci_devices[i].mpd_model); 123 break; 124 } 125 126 csr = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MFI_BAR); 127 csr |= PCI_MAPREG_MEM_TYPE_32BIT; 128 if (pci_mapreg_map(pa, MFI_BAR, csr, 0, 129 &sc->sc_iot, &sc->sc_ioh, NULL, &size)) { 130 aprint_error(": can't map controller pci space\n"); 131 return; 132 } 133 134 sc->sc_dmat = pa->pa_dmat; 135 136 if (pci_intr_map(pa, &ih)) { 137 aprint_error(": can't map interrupt\n"); 138 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size); 139 return; 140 } 141 intrstr = pci_intr_string(pa->pa_pc, ih); 142 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mfi_intr, sc); 143 if (!sc->sc_ih) { 144 aprint_error(": can't establish interrupt"); 145 if (intrstr) 146 aprint_error(" at %s", intrstr); 147 aprint_error("\n"); 148 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size); 149 return; 150 } 151 152 aprint_normal(": %s\n", intrstr); 153 154 if (mfi_attach(sc)) { 155 aprint_error("%s: can't attach", DEVNAME(sc)); 156 pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 157 sc->sc_ih = NULL; 158 bus_space_unmap(sc->sc_iot, sc->sc_ioh, size); 159 } 160 } 161