1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2001 Scott Long 6 * Copyright (c) 2000 BSDi 7 * Copyright (c) 2001-2010 Adaptec, Inc. 8 * Copyright (c) 2010-2012 PMC-Sierra, Inc. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 /* 35 * PCI bus interface and resource allocation. 36 */ 37 38 #include "opt_aacraid.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/module.h> 44 45 #include <sys/bio.h> 46 #include <sys/bus.h> 47 #include <sys/conf.h> 48 #include <sys/disk.h> 49 50 #include <machine/bus.h> 51 #include <machine/resource.h> 52 #include <sys/rman.h> 53 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcivar.h> 56 57 #include <dev/aacraid/aacraid_reg.h> 58 #include <sys/aac_ioctl.h> 59 #include <dev/aacraid/aacraid_debug.h> 60 #include <dev/aacraid/aacraid_var.h> 61 62 static int aacraid_pci_probe(device_t dev); 63 static int aacraid_pci_attach(device_t dev); 64 65 static device_method_t aacraid_methods[] = { 66 /* Device interface */ 67 DEVMETHOD(device_probe, aacraid_pci_probe), 68 DEVMETHOD(device_attach, aacraid_pci_attach), 69 DEVMETHOD(device_detach, aacraid_detach), 70 DEVMETHOD(device_suspend, aacraid_suspend), 71 DEVMETHOD(device_resume, aacraid_resume), 72 73 DEVMETHOD(bus_print_child, bus_generic_print_child), 74 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 75 { 0, 0 } 76 }; 77 78 static driver_t aacraid_pci_driver = { 79 "aacraid", 80 aacraid_methods, 81 sizeof(struct aac_softc) 82 }; 83 84 struct aac_ident 85 { 86 u_int16_t vendor; 87 u_int16_t device; 88 u_int16_t subvendor; 89 u_int16_t subdevice; 90 int hwif; 91 int quirks; 92 char *desc; 93 } aacraid_family_identifiers[] = { 94 {0x9005, 0x028b, 0, 0, AAC_HWIF_SRC, 0, 95 "Adaptec RAID Controller"}, 96 {0x9005, 0x028c, 0, 0, AAC_HWIF_SRCV, 0, 97 "Adaptec RAID Controller"}, 98 {0x9005, 0x028d, 0, 0, AAC_HWIF_SRCV, 0, 99 "Adaptec RAID Controller"}, 100 {0, 0, 0, 0, 0, 0, 0} 101 }; 102 103 DRIVER_MODULE(aacraid, pci, aacraid_pci_driver, 0, 0); 104 MODULE_PNP_INFO("U16:vendor;U16:device", pci, aacraid, 105 aacraid_family_identifiers, 106 nitems(aacraid_family_identifiers) - 1); 107 MODULE_DEPEND(aacraid, pci, 1, 1, 1); 108 109 static struct aac_ident * 110 aac_find_ident(device_t dev) 111 { 112 struct aac_ident *m; 113 u_int16_t vendid, devid; 114 115 vendid = pci_get_vendor(dev); 116 devid = pci_get_device(dev); 117 118 for (m = aacraid_family_identifiers; m->vendor != 0; m++) { 119 if ((m->vendor == vendid) && (m->device == devid)) 120 return (m); 121 } 122 123 return (NULL); 124 } 125 126 /* 127 * Determine whether this is one of our supported adapters. 128 */ 129 static int 130 aacraid_pci_probe(device_t dev) 131 { 132 struct aac_ident *id; 133 134 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 135 136 if ((id = aac_find_ident(dev)) != NULL) { 137 device_set_desc(dev, id->desc); 138 return(BUS_PROBE_DEFAULT); 139 } 140 return(ENXIO); 141 } 142 143 /* 144 * Allocate resources for our device, set up the bus interface. 145 */ 146 static int 147 aacraid_pci_attach(device_t dev) 148 { 149 struct aac_softc *sc; 150 struct aac_ident *id; 151 int error; 152 u_int32_t command; 153 154 fwprintf(NULL, HBA_FLAGS_DBG_FUNCTION_ENTRY_B, ""); 155 156 /* 157 * Initialise softc. 158 */ 159 sc = device_get_softc(dev); 160 bzero(sc, sizeof(*sc)); 161 sc->aac_dev = dev; 162 163 /* assume failure is 'not configured' */ 164 error = ENXIO; 165 166 /* 167 * Verify that the adapter is correctly set up in PCI space. 168 */ 169 pci_enable_busmaster(dev); 170 command = pci_read_config(sc->aac_dev, PCIR_COMMAND, 2); 171 if (!(command & PCIM_CMD_BUSMASTEREN)) { 172 device_printf(sc->aac_dev, "can't enable bus-master feature\n"); 173 goto out; 174 } 175 176 /* 177 * Detect the hardware interface version, set up the bus interface 178 * indirection. 179 */ 180 id = aac_find_ident(dev); 181 sc->aac_hwif = id->hwif; 182 switch(sc->aac_hwif) { 183 case AAC_HWIF_SRC: 184 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRC"); 185 sc->aac_if = aacraid_src_interface; 186 break; 187 case AAC_HWIF_SRCV: 188 fwprintf(sc, HBA_FLAGS_DBG_INIT_B, "set hardware up for PMC SRCv"); 189 sc->aac_if = aacraid_srcv_interface; 190 break; 191 default: 192 sc->aac_hwif = AAC_HWIF_UNKNOWN; 193 device_printf(sc->aac_dev, "unknown hardware type\n"); 194 error = ENXIO; 195 goto out; 196 } 197 198 /* assume failure is 'out of memory' */ 199 error = ENOMEM; 200 201 /* 202 * Allocate the PCI register window. 203 */ 204 sc->aac_regs_rid0 = PCIR_BAR(0); 205 if ((sc->aac_regs_res0 = bus_alloc_resource_any(sc->aac_dev, 206 SYS_RES_MEMORY, &sc->aac_regs_rid0, RF_ACTIVE)) == NULL) { 207 device_printf(sc->aac_dev, 208 "couldn't allocate register window 0\n"); 209 goto out; 210 } 211 sc->aac_btag0 = rman_get_bustag(sc->aac_regs_res0); 212 sc->aac_bhandle0 = rman_get_bushandle(sc->aac_regs_res0); 213 214 sc->aac_regs_rid1 = PCIR_BAR(2); 215 if ((sc->aac_regs_res1 = bus_alloc_resource_any(sc->aac_dev, 216 SYS_RES_MEMORY, &sc->aac_regs_rid1, RF_ACTIVE)) == NULL) { 217 device_printf(sc->aac_dev, 218 "couldn't allocate register window 1\n"); 219 goto out; 220 } 221 sc->aac_btag1 = rman_get_bustag(sc->aac_regs_res1); 222 sc->aac_bhandle1 = rman_get_bushandle(sc->aac_regs_res1); 223 224 /* 225 * Allocate the parent bus DMA tag appropriate for our PCI interface. 226 * 227 * Note that some of these controllers are 64-bit capable. 228 */ 229 if (bus_dma_tag_create(bus_get_dma_tag(dev), /* parent */ 230 PAGE_SIZE, 0, /* algnmnt, boundary */ 231 BUS_SPACE_MAXADDR, /* lowaddr */ 232 BUS_SPACE_MAXADDR, /* highaddr */ 233 NULL, NULL, /* filter, filterarg */ 234 BUS_SPACE_MAXSIZE_32BIT, /* maxsize */ 235 BUS_SPACE_UNRESTRICTED, /* nsegments */ 236 BUS_SPACE_MAXSIZE_32BIT, /* maxsegsize */ 237 0, /* flags */ 238 NULL, NULL, /* No locking needed */ 239 &sc->aac_parent_dmat)) { 240 device_printf(sc->aac_dev, "can't allocate parent DMA tag\n"); 241 goto out; 242 } 243 244 /* Set up quirks */ 245 sc->flags = id->quirks; 246 247 /* 248 * Do bus-independent initialisation. 249 */ 250 error = aacraid_attach(sc); 251 252 out: 253 if (error) 254 aacraid_free(sc); 255 return(error); 256 } 257