iopsp.c revision 1.2.2.5
1 1.2.2.5 bouyer /* $NetBSD: iopsp.c,v 1.2.2.5 2001/01/22 18:00:43 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 1.2.2.3 bouyer #include <sys/lock.h> 57 1.2.2.2 bouyer 58 1.2.2.2 bouyer #include <machine/bswap.h> 59 1.2.2.2 bouyer #include <machine/bus.h> 60 1.2.2.2 bouyer 61 1.2.2.2 bouyer #include <dev/scsipi/scsi_all.h> 62 1.2.2.2 bouyer #include <dev/scsipi/scsi_disk.h> 63 1.2.2.2 bouyer #include <dev/scsipi/scsipi_all.h> 64 1.2.2.2 bouyer #include <dev/scsipi/scsiconf.h> 65 1.2.2.5 bouyer #include <dev/scsipi/scsi_message.h> 66 1.2.2.2 bouyer 67 1.2.2.2 bouyer #include <dev/i2o/i2o.h> 68 1.2.2.2 bouyer #include <dev/i2o/iopreg.h> 69 1.2.2.2 bouyer #include <dev/i2o/iopvar.h> 70 1.2.2.2 bouyer #include <dev/i2o/iopspvar.h> 71 1.2.2.2 bouyer 72 1.2.2.2 bouyer static void iopsp_attach(struct device *, struct device *, void *); 73 1.2.2.2 bouyer static void iopsp_intr(struct device *, struct iop_msg *, void *); 74 1.2.2.5 bouyer static int iopsp_ioctl(struct scsipi_channel *, u_long, 75 1.2.2.5 bouyer caddr_t, int, struct proc *); 76 1.2.2.2 bouyer static int iopsp_match(struct device *, struct cfdata *, void *); 77 1.2.2.2 bouyer static int iopsp_rescan(struct iopsp_softc *); 78 1.2.2.3 bouyer static int iopsp_reconfig(struct device *); 79 1.2.2.3 bouyer static int iopsp_scsi_abort(struct iopsp_softc *, int, struct iop_msg *); 80 1.2.2.5 bouyer static void iopsp_scsipi_request(struct scsipi_channel *, 81 1.2.2.5 bouyer scsipi_adapter_req_t, void *); 82 1.2.2.2 bouyer 83 1.2.2.2 bouyer struct cfattach iopsp_ca = { 84 1.2.2.2 bouyer sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 85 1.2.2.2 bouyer }; 86 1.2.2.2 bouyer 87 1.2.2.2 bouyer /* 88 1.2.2.2 bouyer * Match SCSI and fibre channel ports. 89 1.2.2.2 bouyer */ 90 1.2.2.2 bouyer static int 91 1.2.2.2 bouyer iopsp_match(struct device *parent, struct cfdata *match, void *aux) 92 1.2.2.2 bouyer { 93 1.2.2.2 bouyer struct iop_attach_args *ia; 94 1.2.2.2 bouyer struct { 95 1.2.2.2 bouyer struct i2o_param_op_results pr; 96 1.2.2.2 bouyer struct i2o_param_read_results prr; 97 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 98 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 99 1.2.2.2 bouyer 100 1.2.2.2 bouyer ia = aux; 101 1.2.2.2 bouyer 102 1.2.2.2 bouyer if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 103 1.2.2.2 bouyer return (0); 104 1.2.2.2 bouyer 105 1.2.2.3 bouyer if (iop_param_op((struct iop_softc *)parent, ia->ia_tid, 0, 106 1.2.2.2 bouyer I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param)) != 0) 107 1.2.2.2 bouyer return (0); 108 1.2.2.2 bouyer 109 1.2.2.3 bouyer /* 110 1.2.2.3 bouyer * XXX DPT's driver matches fibrechannel ports, but the spec says we 111 1.2.2.3 bouyer * shouldn't; need testing. 112 1.2.2.3 bouyer */ 113 1.2.2.2 bouyer return (param.ci.bustype == I2O_HBA_BUS_SCSI || 114 1.2.2.2 bouyer param.ci.bustype == I2O_HBA_BUS_FCA); 115 1.2.2.2 bouyer } 116 1.2.2.2 bouyer 117 1.2.2.2 bouyer /* 118 1.2.2.2 bouyer * Attach a supported device. 119 1.2.2.2 bouyer */ 120 1.2.2.2 bouyer static void 121 1.2.2.2 bouyer iopsp_attach(struct device *parent, struct device *self, void *aux) 122 1.2.2.2 bouyer { 123 1.2.2.2 bouyer struct iop_attach_args *ia; 124 1.2.2.2 bouyer struct iopsp_softc *sc; 125 1.2.2.2 bouyer struct iop_softc *iop; 126 1.2.2.2 bouyer struct { 127 1.2.2.2 bouyer struct i2o_param_op_results pr; 128 1.2.2.2 bouyer struct i2o_param_read_results prr; 129 1.2.2.2 bouyer union { 130 1.2.2.2 bouyer struct i2o_param_device_identity di; 131 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 132 1.2.2.2 bouyer struct i2o_param_hba_scsi_ctlr_info sci; 133 1.2.2.3 bouyer struct i2o_param_hba_scsi_port_info spi; 134 1.2.2.2 bouyer } p; 135 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 136 1.2.2.2 bouyer char ident[64]; 137 1.2.2.3 bouyer int fcal, rv; 138 1.2.2.2 bouyer #ifdef I2OVERBOSE 139 1.2.2.2 bouyer int size; 140 1.2.2.2 bouyer #endif 141 1.2.2.2 bouyer 142 1.2.2.2 bouyer ia = (struct iop_attach_args *)aux; 143 1.2.2.2 bouyer sc = (struct iopsp_softc *)self; 144 1.2.2.2 bouyer iop = (struct iop_softc *)parent; 145 1.2.2.2 bouyer sc->sc_tid = ia->ia_tid; 146 1.2.2.2 bouyer 147 1.2.2.2 bouyer /* Register us as an initiator. */ 148 1.2.2.2 bouyer sc->sc_ii.ii_dv = self; 149 1.2.2.2 bouyer sc->sc_ii.ii_intr = iopsp_intr; 150 1.2.2.2 bouyer sc->sc_ii.ii_flags = 0; 151 1.2.2.3 bouyer sc->sc_ii.ii_tid = ia->ia_tid; 152 1.2.2.3 bouyer sc->sc_ii.ii_reconfig = iopsp_reconfig; 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 1.2.2.3 bouyer rv = iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_HBA_CTLR_INFO, ¶m, 160 1.2.2.3 bouyer sizeof(param)); 161 1.2.2.3 bouyer if (rv != 0) { 162 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 163 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_HBA_CTLR_INFO, rv); 164 1.2.2.2 bouyer goto bad; 165 1.2.2.2 bouyer } 166 1.2.2.2 bouyer 167 1.2.2.2 bouyer fcal = (param.p.ci.bustype == I2O_HBA_BUS_FCA); /* XXX */ 168 1.2.2.2 bouyer 169 1.2.2.2 bouyer /* 170 1.2.2.2 bouyer * Say what the device is. If we can find out what the controling 171 1.2.2.2 bouyer * device is, say what that is too. 172 1.2.2.2 bouyer */ 173 1.2.2.3 bouyer printf(": %s SCSI port", fcal ? "FC-AL" : "SE/LVD"); 174 1.2.2.3 bouyer if (iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_DEVICE_IDENTITY, ¶m, 175 1.2.2.2 bouyer sizeof(param)) == 0) { 176 1.2.2.3 bouyer iop_strvis(iop, param.p.di.vendorinfo, 177 1.2.2.2 bouyer sizeof(param.p.di.vendorinfo), ident, sizeof(ident)); 178 1.2.2.2 bouyer printf(" <%s, ", ident); 179 1.2.2.3 bouyer iop_strvis(iop, param.p.di.productinfo, 180 1.2.2.2 bouyer sizeof(param.p.di.productinfo), ident, sizeof(ident)); 181 1.2.2.2 bouyer printf("%s, ", ident); 182 1.2.2.3 bouyer iop_strvis(iop, param.p.di.revlevel, 183 1.2.2.2 bouyer sizeof(param.p.di.revlevel), ident, sizeof(ident)); 184 1.2.2.2 bouyer printf("%s> ", ident); 185 1.2.2.2 bouyer } 186 1.2.2.2 bouyer printf("\n"); 187 1.2.2.2 bouyer 188 1.2.2.3 bouyer rv = iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_HBA_SCSI_CTLR_INFO, 189 1.2.2.3 bouyer ¶m, sizeof(param)); 190 1.2.2.3 bouyer if (rv != 0) { 191 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 192 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_HBA_SCSI_CTLR_INFO, rv); 193 1.2.2.2 bouyer goto bad; 194 1.2.2.2 bouyer } 195 1.2.2.2 bouyer 196 1.2.2.2 bouyer #ifdef I2OVERBOSE 197 1.2.2.2 bouyer printf("%s: %d-bit, max sync rate %dMHz, initiator ID %d\n", 198 1.2.2.2 bouyer sc->sc_dv.dv_xname, param.p.sci.maxdatawidth, 199 1.2.2.2 bouyer (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 200 1.2.2.2 bouyer le32toh(param.p.sci.initiatorid)); 201 1.2.2.2 bouyer #endif 202 1.2.2.2 bouyer 203 1.2.2.5 bouyer sc->sc_adapter.adapt_dev = &sc->sc_dv; 204 1.2.2.5 bouyer sc->sc_adapter.adapt_nchannels = 1; 205 1.2.2.5 bouyer sc->sc_adapter.adapt_openings = iop->sc_maxqueuecnt; 206 1.2.2.5 bouyer sc->sc_adapter.adapt_max_periph = iop->sc_maxqueuecnt; 207 1.2.2.5 bouyer sc->sc_adapter.adapt_ioctl = iopsp_ioctl; 208 1.2.2.5 bouyer sc->sc_adapter.adapt_minphys = minphys; 209 1.2.2.5 bouyer sc->sc_adapter.adapt_request = iopsp_scsipi_request; 210 1.2.2.5 bouyer 211 1.2.2.5 bouyer memset(&sc->sc_channel, 0, sizeof(sc->sc_channel)); 212 1.2.2.5 bouyer sc->sc_channel.chan_adapter = &sc->sc_adapter; 213 1.2.2.5 bouyer sc->sc_channel.chan_bustype = &scsi_bustype; 214 1.2.2.5 bouyer sc->sc_channel.chan_channel = 0; 215 1.2.2.5 bouyer sc->sc_channel.chan_ntargets = fcal ? 216 1.2.2.5 bouyer IOPSP_MAX_FCAL_TARGET : param.p.sci.maxdatawidth; 217 1.2.2.5 bouyer sc->sc_channel.chan_nluns = IOPSP_MAX_LUN; 218 1.2.2.5 bouyer sc->sc_channel.chan_id = le32toh(param.p.sci.initiatorid); 219 1.2.2.2 bouyer 220 1.2.2.2 bouyer #ifdef I2OVERBOSE 221 1.2.2.2 bouyer /* 222 1.2.2.2 bouyer * Allocate the target map. Currently used for informational 223 1.2.2.2 bouyer * purposes only. 224 1.2.2.2 bouyer */ 225 1.2.2.5 bouyer size = sc->sc_channel.chan_ntargets * sizeof(struct iopsp_target); 226 1.2.2.2 bouyer sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT); 227 1.2.2.2 bouyer memset(sc->sc_targetmap, 0, size); 228 1.2.2.2 bouyer #endif 229 1.2.2.2 bouyer 230 1.2.2.3 bouyer /* Build the two maps, and attach to scsipi. */ 231 1.2.2.3 bouyer if (iopsp_reconfig(self) != 0) { 232 1.2.2.3 bouyer printf("%s: bus scan failed\n", sc->sc_dv.dv_xname); 233 1.2.2.3 bouyer goto bad; 234 1.2.2.3 bouyer } 235 1.2.2.5 bouyer config_found(self, &sc->sc_channel, scsiprint); 236 1.2.2.2 bouyer return; 237 1.2.2.2 bouyer 238 1.2.2.2 bouyer bad: 239 1.2.2.2 bouyer iop_initiator_unregister(iop, &sc->sc_ii); 240 1.2.2.2 bouyer } 241 1.2.2.2 bouyer 242 1.2.2.2 bouyer /* 243 1.2.2.3 bouyer * Scan the LCT to determine which devices we control, and enter them into 244 1.2.2.3 bouyer * the maps. 245 1.2.2.2 bouyer */ 246 1.2.2.3 bouyer static int 247 1.2.2.3 bouyer iopsp_reconfig(struct device *dv) 248 1.2.2.2 bouyer { 249 1.2.2.3 bouyer struct iopsp_softc *sc; 250 1.2.2.2 bouyer struct iop_softc *iop; 251 1.2.2.2 bouyer struct i2o_lct_entry *le; 252 1.2.2.5 bouyer struct scsipi_channel *sc_chan; 253 1.2.2.2 bouyer struct { 254 1.2.2.2 bouyer struct i2o_param_op_results pr; 255 1.2.2.2 bouyer struct i2o_param_read_results prr; 256 1.2.2.2 bouyer struct i2o_param_scsi_device_info sdi; 257 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 258 1.2.2.3 bouyer int tid, nent, i, targ, lun, size, s, rv; 259 1.2.2.2 bouyer u_short *tidmap; 260 1.2.2.2 bouyer #ifdef I2OVERBOSE 261 1.2.2.2 bouyer struct iopsp_target *it; 262 1.2.2.2 bouyer int syncrate; 263 1.2.2.2 bouyer #endif 264 1.2.2.2 bouyer 265 1.2.2.3 bouyer sc = (struct iopsp_softc *)dv; 266 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 267 1.2.2.5 bouyer sc_chan = &sc->sc_channel; 268 1.2.2.2 bouyer 269 1.2.2.3 bouyer /* Anything to do? */ 270 1.2.2.3 bouyer if (iop->sc_lct->changeindicator == sc->sc_chgindicator) 271 1.2.2.3 bouyer return (0); 272 1.2.2.3 bouyer 273 1.2.2.2 bouyer /* 274 1.2.2.2 bouyer * Allocate memory for the target/LUN -> TID map. Use zero to 275 1.2.2.2 bouyer * denote absent targets (zero is the TID of the I2O executive, 276 1.2.2.2 bouyer * and we never address that here). 277 1.2.2.2 bouyer */ 278 1.2.2.5 bouyer size = sc_chan->chan_ntargets * (IOPSP_MAX_LUN) * sizeof(u_short); 279 1.2.2.3 bouyer if ((tidmap = malloc(size, M_DEVBUF, M_WAITOK)) == NULL) 280 1.2.2.3 bouyer return (ENOMEM); 281 1.2.2.3 bouyer memset(tidmap, 0, size); 282 1.2.2.2 bouyer 283 1.2.2.2 bouyer #ifdef I2OVERBOSE 284 1.2.2.5 bouyer for (i = 0; i < sc_chan->chan_ntargets; i++) 285 1.2.2.2 bouyer sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 286 1.2.2.2 bouyer #endif 287 1.2.2.2 bouyer 288 1.2.2.2 bouyer nent = iop->sc_nlctent; 289 1.2.2.2 bouyer for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 290 1.2.2.2 bouyer switch (le16toh(le->classid) & 4095) { 291 1.2.2.2 bouyer case I2O_CLASS_SCSI_PERIPHERAL: 292 1.2.2.2 bouyer case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: 293 1.2.2.2 bouyer break; 294 1.2.2.2 bouyer default: 295 1.2.2.2 bouyer continue; 296 1.2.2.2 bouyer } 297 1.2.2.2 bouyer if (((le32toh(le->usertid) >> 12) & 4095) != sc->sc_tid) 298 1.2.2.2 bouyer continue; 299 1.2.2.2 bouyer 300 1.2.2.2 bouyer tid = le32toh(le->localtid) & 4095; 301 1.2.2.2 bouyer 302 1.2.2.3 bouyer rv = iop_param_op(iop, tid, 0, I2O_PARAM_SCSI_DEVICE_INFO, 303 1.2.2.3 bouyer ¶m, sizeof(param)); 304 1.2.2.3 bouyer if (rv != 0) { 305 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 306 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_SCSI_DEVICE_INFO, 307 1.2.2.3 bouyer rv); 308 1.2.2.2 bouyer continue; 309 1.2.2.2 bouyer } 310 1.2.2.2 bouyer targ = le32toh(param.sdi.identifier); 311 1.2.2.2 bouyer lun = param.sdi.luninfo[1]; 312 1.2.2.2 bouyer 313 1.2.2.3 bouyer /* If the device is in use by a DDM, ignore it. */ 314 1.2.2.3 bouyer if ((le32toh(le->usertid) & 4095) != 4095) { 315 1.2.2.2 bouyer #ifdef I2OVERBOSE 316 1.2.2.2 bouyer if (sc->sc_tidmap == NULL || 317 1.2.2.2 bouyer IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 318 1.2.2.2 bouyer IOPSP_TID_INUSE) 319 1.2.2.2 bouyer printf("%s: target %d,%d (tid %d): in use by" 320 1.2.2.3 bouyer " tid %d\n", sc->sc_dv.dv_xname, 321 1.2.2.3 bouyer targ, lun, tid, 322 1.2.2.3 bouyer le32toh(le->usertid) & 4095); 323 1.2.2.2 bouyer #endif 324 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 325 1.2.2.2 bouyer continue; 326 1.2.2.2 bouyer } 327 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 328 1.2.2.2 bouyer 329 1.2.2.2 bouyer #ifdef I2OVERBOSE 330 1.2.2.2 bouyer /* 331 1.2.2.2 bouyer * If we've already described this target, and nothing has 332 1.2.2.2 bouyer * changed, then don't describe it again. 333 1.2.2.2 bouyer */ 334 1.2.2.2 bouyer it = &sc->sc_targetmap[targ]; 335 1.2.2.2 bouyer it->it_flags |= IT_PRESENT; 336 1.2.2.2 bouyer syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 337 1.2.2.2 bouyer if (it->it_width == param.sdi.negdatawidth && 338 1.2.2.2 bouyer it->it_offset == param.sdi.negoffset && 339 1.2.2.2 bouyer it->it_syncrate == syncrate) 340 1.2.2.2 bouyer continue; 341 1.2.2.2 bouyer 342 1.2.2.2 bouyer it->it_width = param.sdi.negdatawidth; 343 1.2.2.2 bouyer it->it_offset = param.sdi.negoffset; 344 1.2.2.2 bouyer it->it_syncrate = syncrate; 345 1.2.2.2 bouyer 346 1.2.2.2 bouyer printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 347 1.2.2.2 bouyer targ, tid, it->it_width); 348 1.2.2.2 bouyer if (it->it_syncrate == 0) 349 1.2.2.2 bouyer printf("asynchronous\n"); 350 1.2.2.2 bouyer else 351 1.2.2.2 bouyer printf("synchronous at %dMHz, offset 0x%x\n", 352 1.2.2.2 bouyer it->it_syncrate, it->it_offset); 353 1.2.2.2 bouyer #endif 354 1.2.2.2 bouyer } 355 1.2.2.2 bouyer 356 1.2.2.2 bouyer #ifdef I2OVERBOSE 357 1.2.2.5 bouyer for (i = 0; i < sc_chan->chan_ntargets; i++) 358 1.2.2.2 bouyer if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 359 1.2.2.2 bouyer sc->sc_targetmap[i].it_width = 0; 360 1.2.2.2 bouyer #endif 361 1.2.2.2 bouyer 362 1.2.2.2 bouyer /* Swap in the new map and return. */ 363 1.2.2.3 bouyer s = splbio(); 364 1.2.2.2 bouyer if (sc->sc_tidmap != NULL) 365 1.2.2.2 bouyer free(sc->sc_tidmap, M_DEVBUF); 366 1.2.2.2 bouyer sc->sc_tidmap = tidmap; 367 1.2.2.3 bouyer splx(s); 368 1.2.2.2 bouyer sc->sc_chgindicator = iop->sc_lct->changeindicator; 369 1.2.2.3 bouyer return (0); 370 1.2.2.2 bouyer } 371 1.2.2.2 bouyer 372 1.2.2.2 bouyer /* 373 1.2.2.3 bouyer * Re-scan the bus; to be called from a higher level (e.g. scsipi). 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 1.2.2.3 bouyer rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE | LK_RECURSEFAIL, NULL); 386 1.2.2.3 bouyer if (rv != 0) { 387 1.2.2.3 bouyer #ifdef I2ODEBUG 388 1.2.2.3 bouyer printf("iopsp_rescan: unable to acquire lock\n"); 389 1.2.2.3 bouyer #endif 390 1.2.2.2 bouyer return (rv); 391 1.2.2.3 bouyer } 392 1.2.2.2 bouyer 393 1.2.2.3 bouyer /* XXX If it's boot time, the bus will already have been scanned. */ 394 1.2.2.3 bouyer if (curproc != &proc0) { 395 1.2.2.3 bouyer if ((rv = iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOINTR)) != 0) 396 1.2.2.3 bouyer goto done; 397 1.2.2.3 bouyer 398 1.2.2.3 bouyer mb = (struct i2o_hba_bus_scan *)im->im_msg; 399 1.2.2.3 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 400 1.2.2.3 bouyer mb->msgfunc = I2O_MSGFUNC(sc->sc_tid, I2O_HBA_BUS_SCAN); 401 1.2.2.3 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 402 1.2.2.3 bouyer mb->msgtctx = im->im_tctx; 403 1.2.2.3 bouyer 404 1.2.2.3 bouyer rv = iop_msg_enqueue(iop, im, 5*60*1000); 405 1.2.2.3 bouyer iop_msg_free(iop, &sc->sc_ii, im); 406 1.2.2.3 bouyer if (rv != 0) 407 1.2.2.3 bouyer goto done; 408 1.2.2.3 bouyer 409 1.2.2.3 bouyer if ((rv = iop_lct_get(iop)) != 0) 410 1.2.2.3 bouyer goto done; 411 1.2.2.3 bouyer } 412 1.2.2.3 bouyer 413 1.2.2.3 bouyer /* Rebuild the target/LUN -> TID map, release lock, and return. */ 414 1.2.2.3 bouyer rv = iopsp_reconfig(&sc->sc_dv); 415 1.2.2.3 bouyer done: 416 1.2.2.3 bouyer lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 417 1.2.2.3 bouyer return (rv); 418 1.2.2.2 bouyer } 419 1.2.2.2 bouyer 420 1.2.2.2 bouyer /* 421 1.2.2.2 bouyer * Start a SCSI command. 422 1.2.2.2 bouyer */ 423 1.2.2.5 bouyer static void 424 1.2.2.5 bouyer iopsp_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 425 1.2.2.5 bouyer void *arg) 426 1.2.2.2 bouyer { 427 1.2.2.5 bouyer struct scsipi_xfer *xs; 428 1.2.2.5 bouyer struct scsipi_periph *periph; 429 1.2.2.5 bouyer struct iopsp_softc *sc = (void *)chan->chan_adapter->adapt_dev; 430 1.2.2.2 bouyer struct iop_msg *im; 431 1.2.2.5 bouyer struct iop_softc *iop = (struct iop_softc *)sc->sc_dv.dv_parent; 432 1.2.2.2 bouyer struct i2o_scsi_scb_exec *mb; 433 1.2.2.2 bouyer int error, flags, tid; 434 1.2.2.2 bouyer 435 1.2.2.5 bouyer switch (req) { 436 1.2.2.5 bouyer case ADAPTER_REQ_RUN_XFER: 437 1.2.2.5 bouyer xs = arg; 438 1.2.2.5 bouyer periph = xs->xs_periph; 439 1.2.2.5 bouyer flags = xs->xs_control; 440 1.2.2.5 bouyer 441 1.2.2.5 bouyer tid = IOPSP_TIDMAP(sc->sc_tidmap, periph->periph_target, 442 1.2.2.5 bouyer periph->periph_lun); 443 1.2.2.5 bouyer if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 444 1.2.2.5 bouyer xs->error = XS_SELTIMEOUT; 445 1.2.2.5 bouyer scsipi_done(xs); 446 1.2.2.5 bouyer return; 447 1.2.2.5 bouyer } 448 1.2.2.2 bouyer 449 1.2.2.5 bouyer SC_DEBUG(periph, SDEV_DB2, ("iopsp_scsi_request run_xfer\n")); 450 1.2.2.2 bouyer 451 1.2.2.5 bouyer /* Need to reset the target? */ 452 1.2.2.5 bouyer if ((flags & XS_CTL_RESET) != 0) { 453 1.2.2.5 bouyer if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 454 1.2.2.5 bouyer sc->sc_ii.ii_ictx, 1, 10*1000) != 0) { 455 1.2.2.2 bouyer #ifdef I2ODEBUG 456 1.2.2.5 bouyer printf("%s: reset failed\n", 457 1.2.2.5 bouyer sc->sc_dv.dv_xname); 458 1.2.2.2 bouyer #endif 459 1.2.2.5 bouyer xs->error = XS_DRIVER_STUFFUP; 460 1.2.2.5 bouyer } else 461 1.2.2.5 bouyer xs->error = XS_NOERROR; 462 1.2.2.5 bouyer 463 1.2.2.5 bouyer scsipi_done(xs); 464 1.2.2.5 bouyer return; 465 1.2.2.2 bouyer } 466 1.2.2.2 bouyer 467 1.2.2.2 bouyer #if defined(I2ODEBUG) || defined(SCSIDEBUG) 468 1.2.2.5 bouyer if (xs->cmdlen > 16) 469 1.2.2.5 bouyer panic("%s: CDB too large\n", sc->sc_dv.dv_xname); 470 1.2.2.2 bouyer #endif 471 1.2.2.2 bouyer 472 1.2.2.5 bouyer if (iop_msg_alloc(iop, &sc->sc_ii, &im, 473 1.2.2.5 bouyer (flags & (XS_CTL_POLL | XS_CTL_NOSLEEP)) != 0 ? IM_NOWAIT : 0)) { 474 1.2.2.5 bouyer xs->error = XS_RESOURCE_SHORTAGE; 475 1.2.2.5 bouyer scsipi_done(xs); 476 1.2.2.5 bouyer return; 477 1.2.2.5 bouyer } 478 1.2.2.5 bouyer im->im_dvcontext = xs; 479 1.2.2.2 bouyer 480 1.2.2.5 bouyer mb = (struct i2o_scsi_scb_exec *)im->im_msg; 481 1.2.2.5 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 482 1.2.2.5 bouyer mb->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 483 1.2.2.5 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 484 1.2.2.5 bouyer mb->msgtctx = im->im_tctx; 485 1.2.2.5 bouyer mb->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 486 1.2.2.5 bouyer I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 487 1.2.2.5 bouyer memcpy(mb->cdb, xs->cmd, xs->cmdlen); 488 1.2.2.5 bouyer mb->datalen = xs->datalen; 489 1.2.2.5 bouyer 490 1.2.2.5 bouyer switch(xs->xs_tag_type) { 491 1.2.2.5 bouyer case MSG_ORDERED_Q_TAG: 492 1.2.2.5 bouyer flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 493 1.2.2.5 bouyer break; 494 1.2.2.5 bouyer case MSG_SIMPLE_Q_TAG: 495 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 496 1.2.2.5 bouyer break; 497 1.2.2.5 bouyer case MSG_HEAD_OF_Q_TAG: 498 1.2.2.5 bouyer flags |= I2O_SCB_FLAG_HEAD_QUEUE_TAG; 499 1.2.2.5 bouyer break; 500 1.2.2.5 bouyer default: 501 1.2.2.5 bouyer break; 502 1.2.2.5 bouyer } 503 1.2.2.2 bouyer 504 1.2.2.5 bouyer if (xs->datalen != 0) { 505 1.2.2.5 bouyer error = iop_msg_map(iop, im, xs->data, xs->datalen, 506 1.2.2.5 bouyer (flags & XS_CTL_DATA_OUT) == 0); 507 1.2.2.5 bouyer if (error) { 508 1.2.2.2 bouyer #ifdef I2ODEBUG 509 1.2.2.5 bouyer printf("%s: error %d mapping xfer\n", 510 1.2.2.5 bouyer sc->sc_dv.dv_xname, error); 511 1.2.2.2 bouyer #endif 512 1.2.2.5 bouyer xs->error = XS_DRIVER_STUFFUP; 513 1.2.2.5 bouyer iop_msg_free(iop, &sc->sc_ii, im); 514 1.2.2.5 bouyer scsipi_done(xs); 515 1.2.2.5 bouyer return; 516 1.2.2.5 bouyer } 517 1.2.2.5 bouyer if ((flags & XS_CTL_DATA_IN) == 0) 518 1.2.2.5 bouyer mb->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 519 1.2.2.5 bouyer else 520 1.2.2.5 bouyer mb->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 521 1.2.2.2 bouyer } 522 1.2.2.2 bouyer 523 1.2.2.5 bouyer /* 524 1.2.2.5 bouyer * If the command is allowed to execute asynchronously, 525 1.2.2.5 bouyer * enqueue it with the IOP. 526 1.2.2.5 bouyer */ 527 1.2.2.5 bouyer if ((flags & XS_CTL_POLL) == 0) { 528 1.2.2.5 bouyer iop_msg_enqueue(iop, im, 0); 529 1.2.2.5 bouyer return; 530 1.2.2.5 bouyer } 531 1.2.2.2 bouyer 532 1.2.2.5 bouyer if (iop_msg_send(iop, im, xs->timeout)) { 533 1.2.2.5 bouyer scsipi_printaddr(xs->xs_periph); 534 1.2.2.5 bouyer printf("timeout; aborting command\n"); 535 1.2.2.5 bouyer if (iopsp_scsi_abort(sc, tid, im)) { 536 1.2.2.5 bouyer scsipi_printaddr(xs->xs_periph); 537 1.2.2.5 bouyer printf("abort failed\n"); 538 1.2.2.5 bouyer } 539 1.2.2.5 bouyer xs->error = XS_TIMEOUT; 540 1.2.2.2 bouyer } 541 1.2.2.5 bouyer scsipi_done(xs); 542 1.2.2.5 bouyer return; 543 1.2.2.5 bouyer case ADAPTER_REQ_GROW_RESOURCES: 544 1.2.2.5 bouyer /* XXX Not supported. */ 545 1.2.2.5 bouyer return; 546 1.2.2.5 bouyer case ADAPTER_REQ_SET_XFER_MODE: 547 1.2.2.5 bouyer /* XXX Not supported. */ 548 1.2.2.5 bouyer return; 549 1.2.2.2 bouyer } 550 1.2.2.2 bouyer } 551 1.2.2.2 bouyer 552 1.2.2.2 bouyer /* 553 1.2.2.2 bouyer * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 554 1.2.2.2 bouyer */ 555 1.2.2.2 bouyer static int 556 1.2.2.3 bouyer iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 557 1.2.2.2 bouyer { 558 1.2.2.2 bouyer struct iop_msg *im; 559 1.2.2.2 bouyer struct i2o_scsi_scb_abort *mb; 560 1.2.2.2 bouyer struct iop_softc *iop; 561 1.2.2.2 bouyer int rv; 562 1.2.2.2 bouyer 563 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 564 1.2.2.2 bouyer 565 1.2.2.2 bouyer rv = iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOWAIT | IM_NOINTR); 566 1.2.2.2 bouyer if (rv != 0) 567 1.2.2.2 bouyer return (rv); 568 1.2.2.2 bouyer 569 1.2.2.2 bouyer mb = (struct i2o_scsi_scb_abort *)im->im_msg; 570 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 571 1.2.2.3 bouyer mb->msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 572 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 573 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 574 1.2.2.2 bouyer mb->tctxabort = aim->im_tctx; 575 1.2.2.2 bouyer 576 1.2.2.2 bouyer rv = iop_msg_send(iop, im, 1000); 577 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 578 1.2.2.2 bouyer return (rv); 579 1.2.2.2 bouyer } 580 1.2.2.2 bouyer 581 1.2.2.2 bouyer /* 582 1.2.2.2 bouyer * We have a message which has been processed and replied to by the IOP - 583 1.2.2.2 bouyer * deal with it. 584 1.2.2.2 bouyer */ 585 1.2.2.2 bouyer static void 586 1.2.2.2 bouyer iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 587 1.2.2.2 bouyer { 588 1.2.2.2 bouyer struct scsipi_xfer *xs; 589 1.2.2.2 bouyer struct iopsp_softc *sc; 590 1.2.2.2 bouyer struct i2o_scsi_reply *rb; 591 1.2.2.2 bouyer struct iop_softc *iop; 592 1.2.2.2 bouyer u_int hba_status, scsi_status, detail; 593 1.2.2.2 bouyer int sl; 594 1.2.2.2 bouyer 595 1.2.2.2 bouyer sc = (struct iopsp_softc *)dv; 596 1.2.2.2 bouyer xs = (struct scsipi_xfer *)im->im_dvcontext; 597 1.2.2.2 bouyer iop = (struct iop_softc *)dv->dv_parent; 598 1.2.2.2 bouyer 599 1.2.2.5 bouyer SC_DEBUG(xs->xs_periph, SDEV_DB2, ("iopsp_intr\n")); 600 1.2.2.2 bouyer 601 1.2.2.2 bouyer if (xs->error == XS_NOERROR) { 602 1.2.2.2 bouyer rb = reply; 603 1.2.2.2 bouyer detail = le16toh(rb->detail); 604 1.2.2.2 bouyer hba_status = (detail >> 8) & 0xff; 605 1.2.2.2 bouyer scsi_status = detail & 0xff; 606 1.2.2.2 bouyer 607 1.2.2.2 bouyer if (hba_status != I2O_SCSI_DSC_SUCCESS) { 608 1.2.2.2 bouyer switch (hba_status) { 609 1.2.2.2 bouyer case I2O_SCSI_DSC_ADAPTER_BUSY: 610 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_BUS_RESET: 611 1.2.2.2 bouyer case I2O_SCSI_DSC_BUS_BUSY: 612 1.2.2.2 bouyer xs->error = XS_BUSY; 613 1.2.2.2 bouyer break; 614 1.2.2.2 bouyer case I2O_SCSI_DSC_SELECTION_TIMEOUT: 615 1.2.2.2 bouyer xs->error = XS_SELTIMEOUT; 616 1.2.2.2 bouyer break; 617 1.2.2.2 bouyer case I2O_SCSI_DSC_COMMAND_TIMEOUT: 618 1.2.2.2 bouyer case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 619 1.2.2.2 bouyer case I2O_SCSI_DSC_LUN_INVALID: 620 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_TID_INVALID: 621 1.2.2.2 bouyer xs->error = XS_TIMEOUT; 622 1.2.2.2 bouyer break; 623 1.2.2.2 bouyer default: 624 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 625 1.2.2.2 bouyer break; 626 1.2.2.2 bouyer } 627 1.2.2.2 bouyer #ifdef I2ODEBUG 628 1.2.2.2 bouyer printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 629 1.2.2.2 bouyer hba_status); 630 1.2.2.2 bouyer #endif 631 1.2.2.2 bouyer } else if (scsi_status != SCSI_OK) { 632 1.2.2.2 bouyer switch (scsi_status) { 633 1.2.2.2 bouyer case SCSI_CHECK: 634 1.2.2.2 bouyer xs->error = XS_SENSE; 635 1.2.2.2 bouyer sl = le32toh(rb->senselen); 636 1.2.2.2 bouyer if (sl > sizeof(xs->sense.scsi_sense)) 637 1.2.2.4 bouyer sl = sizeof(xs->sense.scsi_sense); 638 1.2.2.2 bouyer memcpy(&xs->sense.scsi_sense, rb->sense, sl); 639 1.2.2.2 bouyer break; 640 1.2.2.5 bouyer case SCSI_QUEUE_FULL: 641 1.2.2.2 bouyer case SCSI_BUSY: 642 1.2.2.2 bouyer xs->error = XS_BUSY; 643 1.2.2.2 bouyer break; 644 1.2.2.2 bouyer default: 645 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 646 1.2.2.2 bouyer break; 647 1.2.2.2 bouyer } 648 1.2.2.2 bouyer } else 649 1.2.2.2 bouyer xs->error = XS_NOERROR; 650 1.2.2.2 bouyer 651 1.2.2.2 bouyer xs->resid = le32toh(rb->datalen) - xs->datalen; 652 1.2.2.2 bouyer xs->status = scsi_status; 653 1.2.2.2 bouyer } 654 1.2.2.2 bouyer 655 1.2.2.2 bouyer /* Free the message wrapper and pass the news to scsipi. */ 656 1.2.2.2 bouyer iop_msg_unmap(iop, im); 657 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 658 1.2.2.2 bouyer scsipi_done(xs); 659 1.2.2.2 bouyer } 660 1.2.2.2 bouyer 661 1.2.2.2 bouyer /* 662 1.2.2.2 bouyer * ioctl hook; used here only to initiate low-level rescans. 663 1.2.2.2 bouyer */ 664 1.2.2.2 bouyer static int 665 1.2.2.5 bouyer iopsp_ioctl(struct scsipi_channel *chan, u_long cmd, caddr_t data, int flag, 666 1.2.2.2 bouyer struct proc *p) 667 1.2.2.2 bouyer { 668 1.2.2.2 bouyer int rv; 669 1.2.2.2 bouyer 670 1.2.2.2 bouyer switch (cmd) { 671 1.2.2.2 bouyer case SCBUSIOLLSCAN: 672 1.2.2.5 bouyer rv = iopsp_rescan( 673 1.2.2.5 bouyer (struct iopsp_softc *)chan->chan_adapter->adapt_dev); 674 1.2.2.2 bouyer break; 675 1.2.2.2 bouyer default: 676 1.2.2.2 bouyer rv = ENXIO; 677 1.2.2.2 bouyer break; 678 1.2.2.2 bouyer } 679 1.2.2.2 bouyer 680 1.2.2.2 bouyer return (rv); 681 1.2.2.2 bouyer } 682
Indexes created Wed Oct 22 13:09:56 GMT 2025