iopsp.c revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: iopsp.c,v 1.2.2.2 2000/11/22 17:34:20 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /*- 4 1.2.2.2 bouyer * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 1.2.2.2 bouyer * All rights reserved. 6 1.2.2.2 bouyer * 7 1.2.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 bouyer * by Andrew Doran. 9 1.2.2.2 bouyer * 10 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.2.2.2 bouyer * are met: 13 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 bouyer * must display the following acknowledgement: 20 1.2.2.2 bouyer * This product includes software developed by the NetBSD 21 1.2.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.2.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.2.2.2 bouyer * 26 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 bouyer */ 38 1.2.2.2 bouyer 39 1.2.2.2 bouyer /* 40 1.2.2.2 bouyer * Raw SCSI/FC-AL device support for I2O. I2O presents SCSI devices 41 1.2.2.2 bouyer * individually; we group them by controller port. 42 1.2.2.2 bouyer */ 43 1.2.2.2 bouyer 44 1.2.2.2 bouyer #include "opt_i2o.h" 45 1.2.2.2 bouyer 46 1.2.2.2 bouyer #include <sys/param.h> 47 1.2.2.2 bouyer #include <sys/systm.h> 48 1.2.2.2 bouyer #include <sys/kernel.h> 49 1.2.2.2 bouyer #include <sys/device.h> 50 1.2.2.2 bouyer #include <sys/queue.h> 51 1.2.2.2 bouyer #include <sys/proc.h> 52 1.2.2.2 bouyer #include <sys/buf.h> 53 1.2.2.2 bouyer #include <sys/endian.h> 54 1.2.2.2 bouyer #include <sys/malloc.h> 55 1.2.2.2 bouyer #include <sys/scsiio.h> 56 1.2.2.2 bouyer 57 1.2.2.2 bouyer #include <machine/bswap.h> 58 1.2.2.2 bouyer #include <machine/bus.h> 59 1.2.2.2 bouyer 60 1.2.2.2 bouyer #include <dev/scsipi/scsi_all.h> 61 1.2.2.2 bouyer #include <dev/scsipi/scsi_disk.h> 62 1.2.2.2 bouyer #include <dev/scsipi/scsipi_all.h> 63 1.2.2.2 bouyer #include <dev/scsipi/scsiconf.h> 64 1.2.2.2 bouyer 65 1.2.2.2 bouyer #include <dev/i2o/i2o.h> 66 1.2.2.2 bouyer #include <dev/i2o/iopreg.h> 67 1.2.2.2 bouyer #include <dev/i2o/iopvar.h> 68 1.2.2.2 bouyer #include <dev/i2o/iopspvar.h> 69 1.2.2.2 bouyer 70 1.2.2.2 bouyer static void iopsp_attach(struct device *, struct device *, void *); 71 1.2.2.2 bouyer static void iopsp_intr(struct device *, struct iop_msg *, void *); 72 1.2.2.2 bouyer static int iopsp_ioctl(struct scsipi_link *, u_long, caddr_t, int, 73 1.2.2.2 bouyer struct proc *); 74 1.2.2.2 bouyer static int iopsp_match(struct device *, struct cfdata *, void *); 75 1.2.2.2 bouyer static void iopsp_minphys(struct buf *); 76 1.2.2.2 bouyer static int iopsp_rescan(struct iopsp_softc *); 77 1.2.2.2 bouyer static void iopsp_scan(struct iopsp_softc *); 78 1.2.2.2 bouyer static int iopsp_scsi_abort(struct iopsp_softc *, struct iop_msg *); 79 1.2.2.2 bouyer static int iopsp_scsi_cmd(struct scsipi_xfer *); 80 1.2.2.2 bouyer 81 1.2.2.2 bouyer static struct scsipi_device iopsp_dev = { 82 1.2.2.2 bouyer NULL, /* Use default error handler */ 83 1.2.2.2 bouyer NULL, /* have a queue, served by this */ 84 1.2.2.2 bouyer NULL, /* have no async handler */ 85 1.2.2.2 bouyer NULL, /* Use default 'done' routine */ 86 1.2.2.2 bouyer }; 87 1.2.2.2 bouyer 88 1.2.2.2 bouyer struct cfattach iopsp_ca = { 89 1.2.2.2 bouyer sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 90 1.2.2.2 bouyer }; 91 1.2.2.2 bouyer 92 1.2.2.2 bouyer /* 93 1.2.2.2 bouyer * Match SCSI and fibre channel ports. 94 1.2.2.2 bouyer */ 95 1.2.2.2 bouyer static int 96 1.2.2.2 bouyer iopsp_match(struct device *parent, struct cfdata *match, void *aux) 97 1.2.2.2 bouyer { 98 1.2.2.2 bouyer struct iop_attach_args *ia; 99 1.2.2.2 bouyer struct { 100 1.2.2.2 bouyer struct i2o_param_op_results pr; 101 1.2.2.2 bouyer struct i2o_param_read_results prr; 102 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 103 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 104 1.2.2.2 bouyer 105 1.2.2.2 bouyer ia = aux; 106 1.2.2.2 bouyer 107 1.2.2.2 bouyer if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 108 1.2.2.2 bouyer return (0); 109 1.2.2.2 bouyer 110 1.2.2.2 bouyer if (iop_params_get((struct iop_softc *)parent, ia->ia_tid, 111 1.2.2.2 bouyer I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param)) != 0) 112 1.2.2.2 bouyer return (0); 113 1.2.2.2 bouyer 114 1.2.2.2 bouyer /* XXX */ 115 1.2.2.2 bouyer return (param.ci.bustype == I2O_HBA_BUS_SCSI || 116 1.2.2.2 bouyer param.ci.bustype == I2O_HBA_BUS_FCA); 117 1.2.2.2 bouyer } 118 1.2.2.2 bouyer 119 1.2.2.2 bouyer /* 120 1.2.2.2 bouyer * Attach a supported device. 121 1.2.2.2 bouyer */ 122 1.2.2.2 bouyer static void 123 1.2.2.2 bouyer iopsp_attach(struct device *parent, struct device *self, void *aux) 124 1.2.2.2 bouyer { 125 1.2.2.2 bouyer struct iop_attach_args *ia; 126 1.2.2.2 bouyer struct iopsp_softc *sc; 127 1.2.2.2 bouyer struct scsipi_link *sc_link; 128 1.2.2.2 bouyer struct iop_softc *iop; 129 1.2.2.2 bouyer struct { 130 1.2.2.2 bouyer struct i2o_param_op_results pr; 131 1.2.2.2 bouyer struct i2o_param_read_results prr; 132 1.2.2.2 bouyer union { 133 1.2.2.2 bouyer struct i2o_param_device_identity di; 134 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 135 1.2.2.2 bouyer struct i2o_param_hba_scsi_ctlr_info sci; 136 1.2.2.2 bouyer } p; 137 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 138 1.2.2.2 bouyer char ident[64]; 139 1.2.2.2 bouyer int fcal; 140 1.2.2.2 bouyer #ifdef I2OVERBOSE 141 1.2.2.2 bouyer int size; 142 1.2.2.2 bouyer #endif 143 1.2.2.2 bouyer 144 1.2.2.2 bouyer ia = (struct iop_attach_args *)aux; 145 1.2.2.2 bouyer sc = (struct iopsp_softc *)self; 146 1.2.2.2 bouyer iop = (struct iop_softc *)parent; 147 1.2.2.2 bouyer sc->sc_tid = ia->ia_tid; 148 1.2.2.2 bouyer 149 1.2.2.2 bouyer /* Register us as an initiator. */ 150 1.2.2.2 bouyer sc->sc_ii.ii_dv = self; 151 1.2.2.2 bouyer sc->sc_ii.ii_intr = iopsp_intr; 152 1.2.2.2 bouyer sc->sc_ii.ii_flags = 0; 153 1.2.2.2 bouyer if (iop_initiator_register(iop, &sc->sc_ii) != 0) { 154 1.2.2.2 bouyer printf("%s: unable to register as an initiator", 155 1.2.2.2 bouyer sc->sc_dv.dv_xname); 156 1.2.2.2 bouyer return; 157 1.2.2.2 bouyer } 158 1.2.2.2 bouyer 159 1.2.2.2 bouyer if (iop_params_get(iop, ia->ia_tid, I2O_PARAM_HBA_CTLR_INFO, ¶m, 160 1.2.2.2 bouyer sizeof(param)) != 0) { 161 1.2.2.2 bouyer printf("%s: unable to retrieve parameters\n", 162 1.2.2.2 bouyer sc->sc_dv.dv_xname); 163 1.2.2.2 bouyer goto bad; 164 1.2.2.2 bouyer } 165 1.2.2.2 bouyer 166 1.2.2.2 bouyer fcal = (param.p.ci.bustype == I2O_HBA_BUS_FCA); /* XXX */ 167 1.2.2.2 bouyer 168 1.2.2.2 bouyer /* 169 1.2.2.2 bouyer * Say what the device is. If we can find out what the controling 170 1.2.2.2 bouyer * device is, say what that is too. 171 1.2.2.2 bouyer */ 172 1.2.2.2 bouyer printf(": %s port", fcal ? "FC-AL" : "SCSI"); 173 1.2.2.2 bouyer if (iop_params_get(iop, ia->ia_tid, I2O_PARAM_DEVICE_IDENTITY, ¶m, 174 1.2.2.2 bouyer sizeof(param)) == 0) { 175 1.2.2.2 bouyer iop_strvis(param.p.di.vendorinfo, 176 1.2.2.2 bouyer sizeof(param.p.di.vendorinfo), ident, sizeof(ident)); 177 1.2.2.2 bouyer printf(" <%s, ", ident); 178 1.2.2.2 bouyer iop_strvis(param.p.di.productinfo, 179 1.2.2.2 bouyer sizeof(param.p.di.productinfo), ident, sizeof(ident)); 180 1.2.2.2 bouyer printf("%s, ", ident); 181 1.2.2.2 bouyer iop_strvis(param.p.di.revlevel, 182 1.2.2.2 bouyer sizeof(param.p.di.revlevel), ident, sizeof(ident)); 183 1.2.2.2 bouyer printf("%s> ", ident); 184 1.2.2.2 bouyer } 185 1.2.2.2 bouyer printf("\n"); 186 1.2.2.2 bouyer 187 1.2.2.2 bouyer if (iop_params_get(iop, ia->ia_tid, I2O_PARAM_HBA_SCSI_CTLR_INFO, 188 1.2.2.2 bouyer ¶m, sizeof(param)) != 0) { 189 1.2.2.2 bouyer printf("%s: unable to retrieve controller parameters\n", 190 1.2.2.2 bouyer sc->sc_dv.dv_xname); 191 1.2.2.2 bouyer goto bad; 192 1.2.2.2 bouyer } 193 1.2.2.2 bouyer 194 1.2.2.2 bouyer #ifdef I2OVERBOSE 195 1.2.2.2 bouyer printf("%s: %d-bit, max sync rate %dMHz, initiator ID %d\n", 196 1.2.2.2 bouyer sc->sc_dv.dv_xname, param.p.sci.maxdatawidth, 197 1.2.2.2 bouyer (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 198 1.2.2.2 bouyer le32toh(param.p.sci.initiatorid)); 199 1.2.2.2 bouyer #endif 200 1.2.2.2 bouyer 201 1.2.2.2 bouyer sc->sc_adapter.scsipi_cmd = iopsp_scsi_cmd; 202 1.2.2.2 bouyer sc->sc_adapter.scsipi_minphys = iopsp_minphys; 203 1.2.2.2 bouyer sc->sc_adapter.scsipi_ioctl = iopsp_ioctl; 204 1.2.2.2 bouyer 205 1.2.2.2 bouyer sc_link = &sc->sc_link; 206 1.2.2.2 bouyer sc_link->type = BUS_SCSI; 207 1.2.2.2 bouyer sc_link->device = &iopsp_dev; 208 1.2.2.2 bouyer sc_link->adapter = &sc->sc_adapter; 209 1.2.2.2 bouyer sc_link->adapter_softc = sc; 210 1.2.2.2 bouyer sc_link->scsipi_scsi.channel = 0; 211 1.2.2.2 bouyer sc_link->scsipi_scsi.adapter_target = le32toh(param.p.sci.initiatorid); 212 1.2.2.2 bouyer sc_link->scsipi_scsi.max_target = 213 1.2.2.2 bouyer fcal ? IOPSP_MAX_FCAL_TARGET : param.p.sci.maxdatawidth - 1; 214 1.2.2.2 bouyer sc_link->scsipi_scsi.max_lun = IOPSP_MAX_LUN; 215 1.2.2.2 bouyer sc_link->openings = iop->sc_maxqueuecnt; /* XXX */ 216 1.2.2.2 bouyer 217 1.2.2.2 bouyer #ifdef I2OVERBOSE 218 1.2.2.2 bouyer /* 219 1.2.2.2 bouyer * Allocate the target map. Currently used for informational 220 1.2.2.2 bouyer * purposes only. 221 1.2.2.2 bouyer */ 222 1.2.2.2 bouyer size = (sc_link->scsipi_scsi.max_target + 1) * 223 1.2.2.2 bouyer sizeof(struct iopsp_target); 224 1.2.2.2 bouyer sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT); 225 1.2.2.2 bouyer memset(sc->sc_targetmap, 0, size); 226 1.2.2.2 bouyer #endif 227 1.2.2.2 bouyer 228 1.2.2.2 bouyer /* Build the two maps, and attach to scsipi. */ 229 1.2.2.2 bouyer iopsp_scan(sc); 230 1.2.2.2 bouyer config_found(self, sc_link, scsiprint); 231 1.2.2.2 bouyer return; 232 1.2.2.2 bouyer 233 1.2.2.2 bouyer bad: 234 1.2.2.2 bouyer iop_initiator_unregister(iop, &sc->sc_ii); 235 1.2.2.2 bouyer } 236 1.2.2.2 bouyer 237 1.2.2.2 bouyer /* 238 1.2.2.2 bouyer * Determine which devices we control, and enter them into the maps. 239 1.2.2.2 bouyer */ 240 1.2.2.2 bouyer static void 241 1.2.2.2 bouyer iopsp_scan(struct iopsp_softc *sc) 242 1.2.2.2 bouyer { 243 1.2.2.2 bouyer struct iop_softc *iop; 244 1.2.2.2 bouyer struct i2o_lct_entry *le; 245 1.2.2.2 bouyer struct scsipi_link *sc_link; 246 1.2.2.2 bouyer struct { 247 1.2.2.2 bouyer struct i2o_param_op_results pr; 248 1.2.2.2 bouyer struct i2o_param_read_results prr; 249 1.2.2.2 bouyer struct i2o_param_scsi_device_info sdi; 250 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 251 1.2.2.2 bouyer int tid, nent, i, targ, lun, size; 252 1.2.2.2 bouyer u_short *tidmap; 253 1.2.2.2 bouyer #ifdef I2OVERBOSE 254 1.2.2.2 bouyer struct iopsp_target *it; 255 1.2.2.2 bouyer int syncrate; 256 1.2.2.2 bouyer #endif 257 1.2.2.2 bouyer 258 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 259 1.2.2.2 bouyer sc_link = &sc->sc_link; 260 1.2.2.2 bouyer 261 1.2.2.2 bouyer /* 262 1.2.2.2 bouyer * Allocate memory for the target/LUN -> TID map. Use zero to 263 1.2.2.2 bouyer * denote absent targets (zero is the TID of the I2O executive, 264 1.2.2.2 bouyer * and we never address that here). 265 1.2.2.2 bouyer */ 266 1.2.2.2 bouyer size = (sc_link->scsipi_scsi.max_target + 1) * 267 1.2.2.2 bouyer (IOPSP_MAX_LUN + 1) * sizeof(u_short); 268 1.2.2.2 bouyer tidmap = malloc(size, M_DEVBUF, M_NOWAIT); 269 1.2.2.2 bouyer memset(tidmap, 0, size); /* XXX */ 270 1.2.2.2 bouyer 271 1.2.2.2 bouyer #ifdef I2OVERBOSE 272 1.2.2.2 bouyer for (i = 0; i <= sc_link->scsipi_scsi.max_target; i++) 273 1.2.2.2 bouyer sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 274 1.2.2.2 bouyer #endif 275 1.2.2.2 bouyer 276 1.2.2.2 bouyer if (iop_lct_lock(iop) != 0) 277 1.2.2.2 bouyer return; 278 1.2.2.2 bouyer 279 1.2.2.2 bouyer nent = iop->sc_nlctent; 280 1.2.2.2 bouyer for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 281 1.2.2.2 bouyer switch (le16toh(le->classid) & 4095) { 282 1.2.2.2 bouyer case I2O_CLASS_SCSI_PERIPHERAL: 283 1.2.2.2 bouyer case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: 284 1.2.2.2 bouyer break; 285 1.2.2.2 bouyer default: 286 1.2.2.2 bouyer continue; 287 1.2.2.2 bouyer } 288 1.2.2.2 bouyer if (((le32toh(le->usertid) >> 12) & 4095) != sc->sc_tid) 289 1.2.2.2 bouyer continue; 290 1.2.2.2 bouyer 291 1.2.2.2 bouyer tid = le32toh(le->localtid) & 4095; 292 1.2.2.2 bouyer 293 1.2.2.2 bouyer if (iop_params_get(iop, tid, I2O_PARAM_SCSI_DEVICE_INFO, ¶m, 294 1.2.2.2 bouyer sizeof(param)) != 0) { 295 1.2.2.2 bouyer printf("%s: unable to retrieve device parameters\n", 296 1.2.2.2 bouyer sc->sc_dv.dv_xname); 297 1.2.2.2 bouyer continue; 298 1.2.2.2 bouyer } 299 1.2.2.2 bouyer targ = le32toh(param.sdi.identifier); 300 1.2.2.2 bouyer lun = param.sdi.luninfo[1]; 301 1.2.2.2 bouyer 302 1.2.2.2 bouyer /* If the device is in use by another module, ignore it. */ 303 1.2.2.2 bouyer if (!iop_tid_inuse(iop, tid)) { 304 1.2.2.2 bouyer #ifdef I2OVERBOSE 305 1.2.2.2 bouyer if (sc->sc_tidmap == NULL || 306 1.2.2.2 bouyer IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 307 1.2.2.2 bouyer IOPSP_TID_INUSE) 308 1.2.2.2 bouyer printf("%s: target %d,%d (tid %d): in use by" 309 1.2.2.2 bouyer " another module\n", sc->sc_dv.dv_xname, 310 1.2.2.2 bouyer targ, lun, tid); 311 1.2.2.2 bouyer #endif 312 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 313 1.2.2.2 bouyer continue; 314 1.2.2.2 bouyer } 315 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 316 1.2.2.2 bouyer 317 1.2.2.2 bouyer #ifdef I2OVERBOSE 318 1.2.2.2 bouyer /* 319 1.2.2.2 bouyer * If we've already described this target, and nothing has 320 1.2.2.2 bouyer * changed, then don't describe it again. 321 1.2.2.2 bouyer */ 322 1.2.2.2 bouyer it = &sc->sc_targetmap[targ]; 323 1.2.2.2 bouyer it->it_flags |= IT_PRESENT; 324 1.2.2.2 bouyer syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 325 1.2.2.2 bouyer if (it->it_width == param.sdi.negdatawidth && 326 1.2.2.2 bouyer it->it_offset == param.sdi.negoffset && 327 1.2.2.2 bouyer it->it_syncrate == syncrate) 328 1.2.2.2 bouyer continue; 329 1.2.2.2 bouyer 330 1.2.2.2 bouyer it->it_width = param.sdi.negdatawidth; 331 1.2.2.2 bouyer it->it_offset = param.sdi.negoffset; 332 1.2.2.2 bouyer it->it_syncrate = syncrate; 333 1.2.2.2 bouyer 334 1.2.2.2 bouyer printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 335 1.2.2.2 bouyer targ, tid, it->it_width); 336 1.2.2.2 bouyer if (it->it_syncrate == 0) 337 1.2.2.2 bouyer printf("asynchronous\n"); 338 1.2.2.2 bouyer else 339 1.2.2.2 bouyer printf("synchronous at %dMHz, offset 0x%x\n", 340 1.2.2.2 bouyer it->it_syncrate, it->it_offset); 341 1.2.2.2 bouyer #endif 342 1.2.2.2 bouyer } 343 1.2.2.2 bouyer 344 1.2.2.2 bouyer iop_lct_unlock(iop); 345 1.2.2.2 bouyer 346 1.2.2.2 bouyer #ifdef I2OVERBOSE 347 1.2.2.2 bouyer for (i = 0; i <= sc_link->scsipi_scsi.max_target; i++) 348 1.2.2.2 bouyer if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 349 1.2.2.2 bouyer sc->sc_targetmap[i].it_width = 0; 350 1.2.2.2 bouyer #endif 351 1.2.2.2 bouyer 352 1.2.2.2 bouyer /* Swap in the new map and return. */ 353 1.2.2.2 bouyer if (sc->sc_tidmap != NULL) 354 1.2.2.2 bouyer free(sc->sc_tidmap, M_DEVBUF); 355 1.2.2.2 bouyer sc->sc_tidmap = tidmap; 356 1.2.2.2 bouyer sc->sc_chgindicator = iop->sc_lct->changeindicator; 357 1.2.2.2 bouyer } 358 1.2.2.2 bouyer 359 1.2.2.2 bouyer /* 360 1.2.2.2 bouyer * Adjust the size an I/O request. 361 1.2.2.2 bouyer */ 362 1.2.2.2 bouyer static void 363 1.2.2.2 bouyer iopsp_minphys(struct buf *bp) 364 1.2.2.2 bouyer { 365 1.2.2.2 bouyer 366 1.2.2.2 bouyer if (bp->b_bcount > IOP_MAX_XFER) 367 1.2.2.2 bouyer bp->b_bcount = IOP_MAX_XFER; 368 1.2.2.2 bouyer minphys(bp); 369 1.2.2.2 bouyer } 370 1.2.2.2 bouyer 371 1.2.2.2 bouyer /* 372 1.2.2.2 bouyer * Ask the bus port to perform a rescan. XXX It's unclear whether or not 373 1.2.2.2 bouyer * TIDs for established targets will change. 374 1.2.2.2 bouyer */ 375 1.2.2.2 bouyer static int 376 1.2.2.2 bouyer iopsp_rescan(struct iopsp_softc *sc) 377 1.2.2.2 bouyer { 378 1.2.2.2 bouyer struct iop_softc *iop; 379 1.2.2.2 bouyer struct iop_msg *im; 380 1.2.2.2 bouyer struct i2o_hba_bus_scan *mb; 381 1.2.2.2 bouyer int rv; 382 1.2.2.2 bouyer 383 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 384 1.2.2.2 bouyer 385 1.2.2.2 bouyer if (iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOINTR) != 0) 386 1.2.2.2 bouyer return (-1); 387 1.2.2.2 bouyer 388 1.2.2.2 bouyer mb = (struct i2o_hba_bus_scan *)im->im_msg; 389 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 390 1.2.2.2 bouyer mb->msgfunc = I2O_MSGFUNC(sc->sc_tid, I2O_HBA_BUS_SCAN); 391 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 392 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 393 1.2.2.2 bouyer 394 1.2.2.2 bouyer if (iop_msg_enqueue(iop, im) != 0) 395 1.2.2.2 bouyer rv = -1; 396 1.2.2.2 bouyer else if(iop_msg_wait(iop, im, 1000) != 0) 397 1.2.2.2 bouyer rv = -1; 398 1.2.2.2 bouyer else 399 1.2.2.2 bouyer rv = 0; 400 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 401 1.2.2.2 bouyer if (rv != 0) 402 1.2.2.2 bouyer return (rv); 403 1.2.2.2 bouyer 404 1.2.2.2 bouyer /* 405 1.2.2.2 bouyer * Re-read the LCT and determine if it has changed. XXX This should 406 1.2.2.2 bouyer * probably be accomplished by noticing a CHANGED_LCT event from the 407 1.2.2.2 bouyer * executive. 408 1.2.2.2 bouyer */ 409 1.2.2.2 bouyer if (iop_lct_get(iop)) 410 1.2.2.2 bouyer return (-1); 411 1.2.2.2 bouyer if (iop->sc_lct->changeindicator == sc->sc_chgindicator) 412 1.2.2.2 bouyer return (0); 413 1.2.2.2 bouyer 414 1.2.2.2 bouyer /* Rebuild the target/LUN -> TID map, and return. */ 415 1.2.2.2 bouyer iopsp_scan(sc); 416 1.2.2.2 bouyer return (0); 417 1.2.2.2 bouyer } 418 1.2.2.2 bouyer 419 1.2.2.2 bouyer /* 420 1.2.2.2 bouyer * Start a SCSI command. 421 1.2.2.2 bouyer */ 422 1.2.2.2 bouyer static int 423 1.2.2.2 bouyer iopsp_scsi_cmd(struct scsipi_xfer *xs) 424 1.2.2.2 bouyer { 425 1.2.2.2 bouyer struct scsipi_link *sc_link; 426 1.2.2.2 bouyer struct iopsp_softc *sc; 427 1.2.2.2 bouyer struct iop_msg *im; 428 1.2.2.2 bouyer struct iop_softc *iop; 429 1.2.2.2 bouyer struct i2o_scsi_scb_exec *mb; 430 1.2.2.2 bouyer int error, flags, tid; 431 1.2.2.2 bouyer 432 1.2.2.2 bouyer sc_link = xs->sc_link; 433 1.2.2.2 bouyer flags = xs->xs_control; 434 1.2.2.2 bouyer sc = sc_link->adapter_softc; 435 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 436 1.2.2.2 bouyer 437 1.2.2.2 bouyer tid = IOPSP_TIDMAP(sc->sc_tidmap, sc_link->scsipi_scsi.target, 438 1.2.2.2 bouyer sc_link->scsipi_scsi.lun); 439 1.2.2.2 bouyer if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 440 1.2.2.2 bouyer xs->error = XS_SELTIMEOUT; 441 1.2.2.2 bouyer return (COMPLETE); 442 1.2.2.2 bouyer } 443 1.2.2.2 bouyer 444 1.2.2.2 bouyer SC_DEBUG(sc_link, SDEV_DB2, ("iopsp_scsi_cmd\n")); 445 1.2.2.2 bouyer 446 1.2.2.2 bouyer /* Need to reset the target? */ 447 1.2.2.2 bouyer if ((flags & XS_CTL_RESET) != 0) { 448 1.2.2.2 bouyer if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 449 1.2.2.2 bouyer sc->sc_ii.ii_ictx) != 0) { 450 1.2.2.2 bouyer #ifdef I2ODEBUG 451 1.2.2.2 bouyer printf("%s: reset failed\n", sc->sc_dv.dv_xname); 452 1.2.2.2 bouyer #endif 453 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 454 1.2.2.2 bouyer } 455 1.2.2.2 bouyer return (COMPLETE); 456 1.2.2.2 bouyer } 457 1.2.2.2 bouyer 458 1.2.2.2 bouyer #if defined(I2ODEBUG) || defined(SCSIDEBUG) 459 1.2.2.2 bouyer if (xs->cmdlen > 16) { 460 1.2.2.2 bouyer printf("%s: CDB too large\n", sc->sc_dv.dv_xname); 461 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 462 1.2.2.2 bouyer return (COMPLETE); 463 1.2.2.2 bouyer } 464 1.2.2.2 bouyer #endif 465 1.2.2.2 bouyer 466 1.2.2.2 bouyer if (iop_msg_alloc(iop, &sc->sc_ii, &im, 467 1.2.2.2 bouyer (flags & (XS_CTL_POLL | XS_CTL_NOSLEEP)) != 0 ? IM_NOWAIT : 0)) { 468 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 469 1.2.2.2 bouyer return (TRY_AGAIN_LATER); 470 1.2.2.2 bouyer } 471 1.2.2.2 bouyer im->im_dvcontext = xs; 472 1.2.2.2 bouyer 473 1.2.2.2 bouyer mb = (struct i2o_scsi_scb_exec *)im->im_msg; 474 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 475 1.2.2.2 bouyer mb->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 476 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 477 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 478 1.2.2.2 bouyer mb->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 479 1.2.2.2 bouyer I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 480 1.2.2.2 bouyer memset(mb->cdb, 0, sizeof(mb->cdb)); 481 1.2.2.2 bouyer memcpy(mb->cdb, xs->cmd, xs->cmdlen); 482 1.2.2.2 bouyer mb->datalen = xs->datalen; 483 1.2.2.2 bouyer 484 1.2.2.2 bouyer /* XXX */ 485 1.2.2.2 bouyer if ((xs->sc_link->quirks & SDEV_NOTAG) == 0 && 486 1.2.2.2 bouyer xs->cmd->opcode != INQUIRY && 487 1.2.2.2 bouyer xs->cmd->opcode != TEST_UNIT_READY && 488 1.2.2.2 bouyer xs->cmd->opcode != REQUEST_SENSE) { 489 1.2.2.2 bouyer if (xs->bp != NULL && (xs->bp->b_flags & B_ASYNC) != 0) 490 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 491 1.2.2.2 bouyer else 492 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 493 1.2.2.2 bouyer } 494 1.2.2.2 bouyer 495 1.2.2.2 bouyer if (xs->datalen != 0) { 496 1.2.2.2 bouyer error = iop_msg_map(iop, im, xs->data, xs->datalen, 497 1.2.2.2 bouyer (flags & XS_CTL_DATA_OUT) == 0); 498 1.2.2.2 bouyer if (error) { 499 1.2.2.2 bouyer #ifdef I2ODEBUG 500 1.2.2.2 bouyer printf("%s: error %d mapping xfer\n", 501 1.2.2.2 bouyer sc->sc_dv.dv_xname, error); 502 1.2.2.2 bouyer #endif 503 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 504 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 505 1.2.2.2 bouyer return (COMPLETE); 506 1.2.2.2 bouyer } 507 1.2.2.2 bouyer if ((flags & XS_CTL_DATA_IN) == 0) 508 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 509 1.2.2.2 bouyer else 510 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 511 1.2.2.2 bouyer } 512 1.2.2.2 bouyer 513 1.2.2.2 bouyer /* 514 1.2.2.2 bouyer * If the command is allowed to execute asynchronously, enqueue it 515 1.2.2.2 bouyer * with the IOP. XXX Time out async commands? 516 1.2.2.2 bouyer */ 517 1.2.2.2 bouyer if ((flags & XS_CTL_POLL) == 0) { 518 1.2.2.2 bouyer if (iop_msg_enqueue(iop, im)) { 519 1.2.2.2 bouyer iop_msg_unmap(iop, im); 520 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 521 1.2.2.2 bouyer #ifdef I2ODEBUG 522 1.2.2.2 bouyer printf("%s: can't enqueue msg\n", sc->sc_dv.dv_xname); 523 1.2.2.2 bouyer #endif 524 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 525 1.2.2.2 bouyer return (COMPLETE); 526 1.2.2.2 bouyer } 527 1.2.2.2 bouyer return (SUCCESSFULLY_QUEUED); 528 1.2.2.2 bouyer } 529 1.2.2.2 bouyer 530 1.2.2.2 bouyer if (iop_msg_send(iop, im, xs->timeout)) { 531 1.2.2.2 bouyer scsi_print_addr(xs->sc_link); 532 1.2.2.2 bouyer printf("timeout; aborting command\n"); 533 1.2.2.2 bouyer if (iopsp_scsi_abort(sc, im)) { 534 1.2.2.2 bouyer scsi_print_addr(xs->sc_link); 535 1.2.2.2 bouyer printf("abort failed\n"); 536 1.2.2.2 bouyer } 537 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 538 1.2.2.2 bouyer } 539 1.2.2.2 bouyer return (COMPLETE); 540 1.2.2.2 bouyer } 541 1.2.2.2 bouyer 542 1.2.2.2 bouyer /* 543 1.2.2.2 bouyer * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 544 1.2.2.2 bouyer */ 545 1.2.2.2 bouyer static int 546 1.2.2.2 bouyer iopsp_scsi_abort(struct iopsp_softc *sc, struct iop_msg *aim) 547 1.2.2.2 bouyer { 548 1.2.2.2 bouyer struct iop_msg *im; 549 1.2.2.2 bouyer struct i2o_scsi_scb_abort *mb; 550 1.2.2.2 bouyer struct iop_softc *iop; 551 1.2.2.2 bouyer int rv; 552 1.2.2.2 bouyer 553 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 554 1.2.2.2 bouyer 555 1.2.2.2 bouyer rv = iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOWAIT | IM_NOINTR); 556 1.2.2.2 bouyer if (rv != 0) 557 1.2.2.2 bouyer return (rv); 558 1.2.2.2 bouyer 559 1.2.2.2 bouyer mb = (struct i2o_scsi_scb_abort *)im->im_msg; 560 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 561 1.2.2.2 bouyer mb->msgfunc = I2O_MSGFUNC(aim->im_tid, I2O_SCSI_SCB_ABORT); 562 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 563 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 564 1.2.2.2 bouyer mb->tctxabort = aim->im_tctx; 565 1.2.2.2 bouyer 566 1.2.2.2 bouyer rv = iop_msg_send(iop, im, 1000); 567 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 568 1.2.2.2 bouyer return (rv); 569 1.2.2.2 bouyer } 570 1.2.2.2 bouyer 571 1.2.2.2 bouyer /* 572 1.2.2.2 bouyer * We have a message which has been processed and replied to by the IOP - 573 1.2.2.2 bouyer * deal with it. 574 1.2.2.2 bouyer */ 575 1.2.2.2 bouyer static void 576 1.2.2.2 bouyer iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 577 1.2.2.2 bouyer { 578 1.2.2.2 bouyer struct scsipi_xfer *xs; 579 1.2.2.2 bouyer struct iopsp_softc *sc; 580 1.2.2.2 bouyer struct i2o_scsi_reply *rb; 581 1.2.2.2 bouyer struct iop_softc *iop; 582 1.2.2.2 bouyer u_int hba_status, scsi_status, detail; 583 1.2.2.2 bouyer int sl; 584 1.2.2.2 bouyer 585 1.2.2.2 bouyer sc = (struct iopsp_softc *)dv; 586 1.2.2.2 bouyer xs = (struct scsipi_xfer *)im->im_dvcontext; 587 1.2.2.2 bouyer iop = (struct iop_softc *)dv->dv_parent; 588 1.2.2.2 bouyer 589 1.2.2.2 bouyer SC_DEBUG(xs->sc_link, SDEV_DB2, ("iopsp_intr\n")); 590 1.2.2.2 bouyer 591 1.2.2.2 bouyer if (xs->error == XS_NOERROR) { 592 1.2.2.2 bouyer rb = reply; 593 1.2.2.2 bouyer detail = le16toh(rb->detail); 594 1.2.2.2 bouyer hba_status = (detail >> 8) & 0xff; 595 1.2.2.2 bouyer scsi_status = detail & 0xff; 596 1.2.2.2 bouyer 597 1.2.2.2 bouyer if (hba_status != I2O_SCSI_DSC_SUCCESS) { 598 1.2.2.2 bouyer switch (hba_status) { 599 1.2.2.2 bouyer case I2O_SCSI_DSC_ADAPTER_BUSY: 600 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_BUS_RESET: 601 1.2.2.2 bouyer case I2O_SCSI_DSC_BUS_BUSY: 602 1.2.2.2 bouyer xs->error = XS_BUSY; 603 1.2.2.2 bouyer break; 604 1.2.2.2 bouyer case I2O_SCSI_DSC_SELECTION_TIMEOUT: 605 1.2.2.2 bouyer xs->error = XS_SELTIMEOUT; 606 1.2.2.2 bouyer break; 607 1.2.2.2 bouyer case I2O_SCSI_DSC_COMMAND_TIMEOUT: 608 1.2.2.2 bouyer case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 609 1.2.2.2 bouyer case I2O_SCSI_DSC_LUN_INVALID: 610 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_TID_INVALID: 611 1.2.2.2 bouyer xs->error = XS_TIMEOUT; 612 1.2.2.2 bouyer break; 613 1.2.2.2 bouyer default: 614 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 615 1.2.2.2 bouyer break; 616 1.2.2.2 bouyer } 617 1.2.2.2 bouyer #ifdef I2ODEBUG 618 1.2.2.2 bouyer printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 619 1.2.2.2 bouyer hba_status); 620 1.2.2.2 bouyer #endif 621 1.2.2.2 bouyer } else if (scsi_status != SCSI_OK) { 622 1.2.2.2 bouyer switch (scsi_status) { 623 1.2.2.2 bouyer case SCSI_CHECK: 624 1.2.2.2 bouyer xs->error = XS_SENSE; 625 1.2.2.2 bouyer sl = le32toh(rb->senselen); 626 1.2.2.2 bouyer if (xs->req_sense_length != 0 && 627 1.2.2.2 bouyer xs->req_sense_length < sl) 628 1.2.2.2 bouyer sl = xs->req_sense_length; 629 1.2.2.2 bouyer if (sl > sizeof(xs->sense.scsi_sense)) 630 1.2.2.2 bouyer sl = le32toh(rb->senselen); 631 1.2.2.2 bouyer memcpy(&xs->sense.scsi_sense, rb->sense, sl); 632 1.2.2.2 bouyer break; 633 1.2.2.2 bouyer case SCSI_BUSY: 634 1.2.2.2 bouyer xs->error = XS_BUSY; 635 1.2.2.2 bouyer break; 636 1.2.2.2 bouyer default: 637 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 638 1.2.2.2 bouyer break; 639 1.2.2.2 bouyer } 640 1.2.2.2 bouyer } else 641 1.2.2.2 bouyer xs->error = XS_NOERROR; 642 1.2.2.2 bouyer 643 1.2.2.2 bouyer xs->resid = le32toh(rb->datalen) - xs->datalen; 644 1.2.2.2 bouyer xs->status = scsi_status; 645 1.2.2.2 bouyer } 646 1.2.2.2 bouyer 647 1.2.2.2 bouyer /* Free the message wrapper and pass the news to scsipi. */ 648 1.2.2.2 bouyer iop_msg_unmap(iop, im); 649 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 650 1.2.2.2 bouyer xs->xs_status |= XS_STS_DONE; 651 1.2.2.2 bouyer scsipi_done(xs); 652 1.2.2.2 bouyer } 653 1.2.2.2 bouyer 654 1.2.2.2 bouyer /* 655 1.2.2.2 bouyer * ioctl hook; used here only to initiate low-level rescans. 656 1.2.2.2 bouyer */ 657 1.2.2.2 bouyer static int 658 1.2.2.2 bouyer iopsp_ioctl(struct scsipi_link *sc_link, u_long cmd, caddr_t data, int flag, 659 1.2.2.2 bouyer struct proc *p) 660 1.2.2.2 bouyer { 661 1.2.2.2 bouyer int rv; 662 1.2.2.2 bouyer 663 1.2.2.2 bouyer switch (cmd) { 664 1.2.2.2 bouyer case SCBUSIOLLSCAN: 665 1.2.2.2 bouyer rv = iopsp_rescan(sc_link->adapter_softc); 666 1.2.2.2 bouyer break; 667 1.2.2.2 bouyer default: 668 1.2.2.2 bouyer rv = ENXIO; 669 1.2.2.2 bouyer break; 670 1.2.2.2 bouyer } 671 1.2.2.2 bouyer 672 1.2.2.2 bouyer return (rv); 673 1.2.2.2 bouyer } 674
Indexes created Mon Oct 27 04:09:48 GMT 2025