iopsp.c revision 1.2.2.4
1 1.2.2.4 bouyer /* $NetBSD: iopsp.c,v 1.2.2.4 2001/01/15 09:27:42 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 1.2.2.2 bouyer 66 1.2.2.2 bouyer #include <dev/i2o/i2o.h> 67 1.2.2.2 bouyer #include <dev/i2o/iopreg.h> 68 1.2.2.2 bouyer #include <dev/i2o/iopvar.h> 69 1.2.2.2 bouyer #include <dev/i2o/iopspvar.h> 70 1.2.2.2 bouyer 71 1.2.2.2 bouyer static void iopsp_attach(struct device *, struct device *, void *); 72 1.2.2.2 bouyer static void iopsp_intr(struct device *, struct iop_msg *, void *); 73 1.2.2.2 bouyer static int iopsp_ioctl(struct scsipi_link *, u_long, caddr_t, int, 74 1.2.2.2 bouyer struct proc *); 75 1.2.2.2 bouyer static int iopsp_match(struct device *, struct cfdata *, void *); 76 1.2.2.2 bouyer static void iopsp_minphys(struct buf *); 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 1.2.2.2 bouyer static int iopsp_scsi_cmd(struct scsipi_xfer *); 81 1.2.2.2 bouyer 82 1.2.2.2 bouyer static struct scsipi_device iopsp_dev = { 83 1.2.2.2 bouyer NULL, /* Use default error handler */ 84 1.2.2.2 bouyer NULL, /* have a queue, served by this */ 85 1.2.2.2 bouyer NULL, /* have no async handler */ 86 1.2.2.2 bouyer NULL, /* Use default 'done' routine */ 87 1.2.2.2 bouyer }; 88 1.2.2.2 bouyer 89 1.2.2.2 bouyer struct cfattach iopsp_ca = { 90 1.2.2.2 bouyer sizeof(struct iopsp_softc), iopsp_match, iopsp_attach 91 1.2.2.2 bouyer }; 92 1.2.2.2 bouyer 93 1.2.2.2 bouyer /* 94 1.2.2.2 bouyer * Match SCSI and fibre channel ports. 95 1.2.2.2 bouyer */ 96 1.2.2.2 bouyer static int 97 1.2.2.2 bouyer iopsp_match(struct device *parent, struct cfdata *match, void *aux) 98 1.2.2.2 bouyer { 99 1.2.2.2 bouyer struct iop_attach_args *ia; 100 1.2.2.2 bouyer struct { 101 1.2.2.2 bouyer struct i2o_param_op_results pr; 102 1.2.2.2 bouyer struct i2o_param_read_results prr; 103 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 104 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 105 1.2.2.2 bouyer 106 1.2.2.2 bouyer ia = aux; 107 1.2.2.2 bouyer 108 1.2.2.2 bouyer if (ia->ia_class != I2O_CLASS_BUS_ADAPTER_PORT) 109 1.2.2.2 bouyer return (0); 110 1.2.2.2 bouyer 111 1.2.2.3 bouyer if (iop_param_op((struct iop_softc *)parent, ia->ia_tid, 0, 112 1.2.2.2 bouyer I2O_PARAM_HBA_CTLR_INFO, ¶m, sizeof(param)) != 0) 113 1.2.2.2 bouyer return (0); 114 1.2.2.2 bouyer 115 1.2.2.3 bouyer /* 116 1.2.2.3 bouyer * XXX DPT's driver matches fibrechannel ports, but the spec says we 117 1.2.2.3 bouyer * shouldn't; need testing. 118 1.2.2.3 bouyer */ 119 1.2.2.2 bouyer return (param.ci.bustype == I2O_HBA_BUS_SCSI || 120 1.2.2.2 bouyer param.ci.bustype == I2O_HBA_BUS_FCA); 121 1.2.2.2 bouyer } 122 1.2.2.2 bouyer 123 1.2.2.2 bouyer /* 124 1.2.2.2 bouyer * Attach a supported device. 125 1.2.2.2 bouyer */ 126 1.2.2.2 bouyer static void 127 1.2.2.2 bouyer iopsp_attach(struct device *parent, struct device *self, void *aux) 128 1.2.2.2 bouyer { 129 1.2.2.2 bouyer struct iop_attach_args *ia; 130 1.2.2.2 bouyer struct iopsp_softc *sc; 131 1.2.2.2 bouyer struct scsipi_link *sc_link; 132 1.2.2.2 bouyer struct iop_softc *iop; 133 1.2.2.2 bouyer struct { 134 1.2.2.2 bouyer struct i2o_param_op_results pr; 135 1.2.2.2 bouyer struct i2o_param_read_results prr; 136 1.2.2.2 bouyer union { 137 1.2.2.2 bouyer struct i2o_param_device_identity di; 138 1.2.2.2 bouyer struct i2o_param_hba_ctlr_info ci; 139 1.2.2.2 bouyer struct i2o_param_hba_scsi_ctlr_info sci; 140 1.2.2.3 bouyer struct i2o_param_hba_scsi_port_info spi; 141 1.2.2.2 bouyer } p; 142 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 143 1.2.2.2 bouyer char ident[64]; 144 1.2.2.3 bouyer int fcal, rv; 145 1.2.2.2 bouyer #ifdef I2OVERBOSE 146 1.2.2.2 bouyer int size; 147 1.2.2.2 bouyer #endif 148 1.2.2.2 bouyer 149 1.2.2.2 bouyer ia = (struct iop_attach_args *)aux; 150 1.2.2.2 bouyer sc = (struct iopsp_softc *)self; 151 1.2.2.2 bouyer iop = (struct iop_softc *)parent; 152 1.2.2.2 bouyer sc->sc_tid = ia->ia_tid; 153 1.2.2.2 bouyer 154 1.2.2.2 bouyer /* Register us as an initiator. */ 155 1.2.2.2 bouyer sc->sc_ii.ii_dv = self; 156 1.2.2.2 bouyer sc->sc_ii.ii_intr = iopsp_intr; 157 1.2.2.2 bouyer sc->sc_ii.ii_flags = 0; 158 1.2.2.3 bouyer sc->sc_ii.ii_tid = ia->ia_tid; 159 1.2.2.3 bouyer sc->sc_ii.ii_reconfig = iopsp_reconfig; 160 1.2.2.2 bouyer if (iop_initiator_register(iop, &sc->sc_ii) != 0) { 161 1.2.2.2 bouyer printf("%s: unable to register as an initiator", 162 1.2.2.2 bouyer sc->sc_dv.dv_xname); 163 1.2.2.2 bouyer return; 164 1.2.2.2 bouyer } 165 1.2.2.2 bouyer 166 1.2.2.3 bouyer rv = iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_HBA_CTLR_INFO, ¶m, 167 1.2.2.3 bouyer sizeof(param)); 168 1.2.2.3 bouyer if (rv != 0) { 169 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 170 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_HBA_CTLR_INFO, rv); 171 1.2.2.2 bouyer goto bad; 172 1.2.2.2 bouyer } 173 1.2.2.2 bouyer 174 1.2.2.2 bouyer fcal = (param.p.ci.bustype == I2O_HBA_BUS_FCA); /* XXX */ 175 1.2.2.2 bouyer 176 1.2.2.2 bouyer /* 177 1.2.2.2 bouyer * Say what the device is. If we can find out what the controling 178 1.2.2.2 bouyer * device is, say what that is too. 179 1.2.2.2 bouyer */ 180 1.2.2.3 bouyer printf(": %s SCSI port", fcal ? "FC-AL" : "SE/LVD"); 181 1.2.2.3 bouyer if (iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_DEVICE_IDENTITY, ¶m, 182 1.2.2.2 bouyer sizeof(param)) == 0) { 183 1.2.2.3 bouyer iop_strvis(iop, param.p.di.vendorinfo, 184 1.2.2.2 bouyer sizeof(param.p.di.vendorinfo), ident, sizeof(ident)); 185 1.2.2.2 bouyer printf(" <%s, ", ident); 186 1.2.2.3 bouyer iop_strvis(iop, param.p.di.productinfo, 187 1.2.2.2 bouyer sizeof(param.p.di.productinfo), ident, sizeof(ident)); 188 1.2.2.2 bouyer printf("%s, ", ident); 189 1.2.2.3 bouyer iop_strvis(iop, param.p.di.revlevel, 190 1.2.2.2 bouyer sizeof(param.p.di.revlevel), ident, sizeof(ident)); 191 1.2.2.2 bouyer printf("%s> ", ident); 192 1.2.2.2 bouyer } 193 1.2.2.2 bouyer printf("\n"); 194 1.2.2.2 bouyer 195 1.2.2.3 bouyer rv = iop_param_op(iop, ia->ia_tid, 0, I2O_PARAM_HBA_SCSI_CTLR_INFO, 196 1.2.2.3 bouyer ¶m, sizeof(param)); 197 1.2.2.3 bouyer if (rv != 0) { 198 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 199 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_HBA_SCSI_CTLR_INFO, rv); 200 1.2.2.2 bouyer goto bad; 201 1.2.2.2 bouyer } 202 1.2.2.2 bouyer 203 1.2.2.2 bouyer #ifdef I2OVERBOSE 204 1.2.2.2 bouyer printf("%s: %d-bit, max sync rate %dMHz, initiator ID %d\n", 205 1.2.2.2 bouyer sc->sc_dv.dv_xname, param.p.sci.maxdatawidth, 206 1.2.2.2 bouyer (u_int32_t)le64toh(param.p.sci.maxsyncrate) / 1000, 207 1.2.2.2 bouyer le32toh(param.p.sci.initiatorid)); 208 1.2.2.2 bouyer #endif 209 1.2.2.2 bouyer 210 1.2.2.2 bouyer sc->sc_adapter.scsipi_cmd = iopsp_scsi_cmd; 211 1.2.2.2 bouyer sc->sc_adapter.scsipi_minphys = iopsp_minphys; 212 1.2.2.2 bouyer sc->sc_adapter.scsipi_ioctl = iopsp_ioctl; 213 1.2.2.2 bouyer 214 1.2.2.2 bouyer sc_link = &sc->sc_link; 215 1.2.2.2 bouyer sc_link->type = BUS_SCSI; 216 1.2.2.2 bouyer sc_link->device = &iopsp_dev; 217 1.2.2.2 bouyer sc_link->adapter = &sc->sc_adapter; 218 1.2.2.2 bouyer sc_link->adapter_softc = sc; 219 1.2.2.2 bouyer sc_link->scsipi_scsi.channel = 0; 220 1.2.2.2 bouyer sc_link->scsipi_scsi.adapter_target = le32toh(param.p.sci.initiatorid); 221 1.2.2.2 bouyer sc_link->scsipi_scsi.max_target = 222 1.2.2.2 bouyer fcal ? IOPSP_MAX_FCAL_TARGET : param.p.sci.maxdatawidth - 1; 223 1.2.2.2 bouyer sc_link->scsipi_scsi.max_lun = IOPSP_MAX_LUN; 224 1.2.2.3 bouyer sc_link->openings = iop->sc_maxqueuecnt / 4; /* XXX */ 225 1.2.2.2 bouyer 226 1.2.2.2 bouyer #ifdef I2OVERBOSE 227 1.2.2.2 bouyer /* 228 1.2.2.2 bouyer * Allocate the target map. Currently used for informational 229 1.2.2.2 bouyer * purposes only. 230 1.2.2.2 bouyer */ 231 1.2.2.2 bouyer size = (sc_link->scsipi_scsi.max_target + 1) * 232 1.2.2.2 bouyer sizeof(struct iopsp_target); 233 1.2.2.2 bouyer sc->sc_targetmap = malloc(size, M_DEVBUF, M_NOWAIT); 234 1.2.2.2 bouyer memset(sc->sc_targetmap, 0, size); 235 1.2.2.2 bouyer #endif 236 1.2.2.2 bouyer 237 1.2.2.3 bouyer /* Build the two maps, and attach to scsipi. */ 238 1.2.2.3 bouyer if (iopsp_reconfig(self) != 0) { 239 1.2.2.3 bouyer printf("%s: bus scan failed\n", sc->sc_dv.dv_xname); 240 1.2.2.3 bouyer goto bad; 241 1.2.2.3 bouyer } 242 1.2.2.2 bouyer config_found(self, sc_link, scsiprint); 243 1.2.2.2 bouyer return; 244 1.2.2.2 bouyer 245 1.2.2.2 bouyer bad: 246 1.2.2.2 bouyer iop_initiator_unregister(iop, &sc->sc_ii); 247 1.2.2.2 bouyer } 248 1.2.2.2 bouyer 249 1.2.2.2 bouyer /* 250 1.2.2.3 bouyer * Scan the LCT to determine which devices we control, and enter them into 251 1.2.2.3 bouyer * the maps. 252 1.2.2.2 bouyer */ 253 1.2.2.3 bouyer static int 254 1.2.2.3 bouyer iopsp_reconfig(struct device *dv) 255 1.2.2.2 bouyer { 256 1.2.2.3 bouyer struct iopsp_softc *sc; 257 1.2.2.2 bouyer struct iop_softc *iop; 258 1.2.2.2 bouyer struct i2o_lct_entry *le; 259 1.2.2.2 bouyer struct scsipi_link *sc_link; 260 1.2.2.2 bouyer struct { 261 1.2.2.2 bouyer struct i2o_param_op_results pr; 262 1.2.2.2 bouyer struct i2o_param_read_results prr; 263 1.2.2.2 bouyer struct i2o_param_scsi_device_info sdi; 264 1.2.2.2 bouyer } __attribute__ ((__packed__)) param; 265 1.2.2.3 bouyer int tid, nent, i, targ, lun, size, s, rv; 266 1.2.2.2 bouyer u_short *tidmap; 267 1.2.2.2 bouyer #ifdef I2OVERBOSE 268 1.2.2.2 bouyer struct iopsp_target *it; 269 1.2.2.2 bouyer int syncrate; 270 1.2.2.2 bouyer #endif 271 1.2.2.2 bouyer 272 1.2.2.3 bouyer sc = (struct iopsp_softc *)dv; 273 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 274 1.2.2.2 bouyer sc_link = &sc->sc_link; 275 1.2.2.2 bouyer 276 1.2.2.3 bouyer /* Anything to do? */ 277 1.2.2.3 bouyer if (iop->sc_lct->changeindicator == sc->sc_chgindicator) 278 1.2.2.3 bouyer return (0); 279 1.2.2.3 bouyer 280 1.2.2.2 bouyer /* 281 1.2.2.2 bouyer * Allocate memory for the target/LUN -> TID map. Use zero to 282 1.2.2.2 bouyer * denote absent targets (zero is the TID of the I2O executive, 283 1.2.2.2 bouyer * and we never address that here). 284 1.2.2.2 bouyer */ 285 1.2.2.2 bouyer size = (sc_link->scsipi_scsi.max_target + 1) * 286 1.2.2.2 bouyer (IOPSP_MAX_LUN + 1) * sizeof(u_short); 287 1.2.2.3 bouyer if ((tidmap = malloc(size, M_DEVBUF, M_WAITOK)) == NULL) 288 1.2.2.3 bouyer return (ENOMEM); 289 1.2.2.3 bouyer memset(tidmap, 0, size); 290 1.2.2.2 bouyer 291 1.2.2.2 bouyer #ifdef I2OVERBOSE 292 1.2.2.2 bouyer for (i = 0; i <= sc_link->scsipi_scsi.max_target; i++) 293 1.2.2.2 bouyer sc->sc_targetmap[i].it_flags &= ~IT_PRESENT; 294 1.2.2.2 bouyer #endif 295 1.2.2.2 bouyer 296 1.2.2.2 bouyer nent = iop->sc_nlctent; 297 1.2.2.2 bouyer for (i = 0, le = iop->sc_lct->entry; i < nent; i++, le++) { 298 1.2.2.2 bouyer switch (le16toh(le->classid) & 4095) { 299 1.2.2.2 bouyer case I2O_CLASS_SCSI_PERIPHERAL: 300 1.2.2.2 bouyer case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: 301 1.2.2.2 bouyer break; 302 1.2.2.2 bouyer default: 303 1.2.2.2 bouyer continue; 304 1.2.2.2 bouyer } 305 1.2.2.2 bouyer if (((le32toh(le->usertid) >> 12) & 4095) != sc->sc_tid) 306 1.2.2.2 bouyer continue; 307 1.2.2.2 bouyer 308 1.2.2.2 bouyer tid = le32toh(le->localtid) & 4095; 309 1.2.2.2 bouyer 310 1.2.2.3 bouyer rv = iop_param_op(iop, tid, 0, I2O_PARAM_SCSI_DEVICE_INFO, 311 1.2.2.3 bouyer ¶m, sizeof(param)); 312 1.2.2.3 bouyer if (rv != 0) { 313 1.2.2.3 bouyer printf("%s: unable to get parameters (0x%04x; %d)\n", 314 1.2.2.3 bouyer sc->sc_dv.dv_xname, I2O_PARAM_SCSI_DEVICE_INFO, 315 1.2.2.3 bouyer rv); 316 1.2.2.2 bouyer continue; 317 1.2.2.2 bouyer } 318 1.2.2.2 bouyer targ = le32toh(param.sdi.identifier); 319 1.2.2.2 bouyer lun = param.sdi.luninfo[1]; 320 1.2.2.2 bouyer 321 1.2.2.3 bouyer /* If the device is in use by a DDM, ignore it. */ 322 1.2.2.3 bouyer if ((le32toh(le->usertid) & 4095) != 4095) { 323 1.2.2.2 bouyer #ifdef I2OVERBOSE 324 1.2.2.2 bouyer if (sc->sc_tidmap == NULL || 325 1.2.2.2 bouyer IOPSP_TIDMAP(sc->sc_tidmap, targ, lun) != 326 1.2.2.2 bouyer IOPSP_TID_INUSE) 327 1.2.2.2 bouyer printf("%s: target %d,%d (tid %d): in use by" 328 1.2.2.3 bouyer " tid %d\n", sc->sc_dv.dv_xname, 329 1.2.2.3 bouyer targ, lun, tid, 330 1.2.2.3 bouyer le32toh(le->usertid) & 4095); 331 1.2.2.2 bouyer #endif 332 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = IOPSP_TID_INUSE; 333 1.2.2.2 bouyer continue; 334 1.2.2.2 bouyer } 335 1.2.2.2 bouyer IOPSP_TIDMAP(tidmap, targ, lun) = (u_short)tid; 336 1.2.2.2 bouyer 337 1.2.2.2 bouyer #ifdef I2OVERBOSE 338 1.2.2.2 bouyer /* 339 1.2.2.2 bouyer * If we've already described this target, and nothing has 340 1.2.2.2 bouyer * changed, then don't describe it again. 341 1.2.2.2 bouyer */ 342 1.2.2.2 bouyer it = &sc->sc_targetmap[targ]; 343 1.2.2.2 bouyer it->it_flags |= IT_PRESENT; 344 1.2.2.2 bouyer syncrate = ((int)le64toh(param.sdi.negsyncrate) + 500) / 1000; 345 1.2.2.2 bouyer if (it->it_width == param.sdi.negdatawidth && 346 1.2.2.2 bouyer it->it_offset == param.sdi.negoffset && 347 1.2.2.2 bouyer it->it_syncrate == syncrate) 348 1.2.2.2 bouyer continue; 349 1.2.2.2 bouyer 350 1.2.2.2 bouyer it->it_width = param.sdi.negdatawidth; 351 1.2.2.2 bouyer it->it_offset = param.sdi.negoffset; 352 1.2.2.2 bouyer it->it_syncrate = syncrate; 353 1.2.2.2 bouyer 354 1.2.2.2 bouyer printf("%s: target %d (tid %d): %d-bit, ", sc->sc_dv.dv_xname, 355 1.2.2.2 bouyer targ, tid, it->it_width); 356 1.2.2.2 bouyer if (it->it_syncrate == 0) 357 1.2.2.2 bouyer printf("asynchronous\n"); 358 1.2.2.2 bouyer else 359 1.2.2.2 bouyer printf("synchronous at %dMHz, offset 0x%x\n", 360 1.2.2.2 bouyer it->it_syncrate, it->it_offset); 361 1.2.2.2 bouyer #endif 362 1.2.2.2 bouyer } 363 1.2.2.2 bouyer 364 1.2.2.2 bouyer #ifdef I2OVERBOSE 365 1.2.2.2 bouyer for (i = 0; i <= sc_link->scsipi_scsi.max_target; i++) 366 1.2.2.2 bouyer if ((sc->sc_targetmap[i].it_flags & IT_PRESENT) == 0) 367 1.2.2.2 bouyer sc->sc_targetmap[i].it_width = 0; 368 1.2.2.2 bouyer #endif 369 1.2.2.2 bouyer 370 1.2.2.2 bouyer /* Swap in the new map and return. */ 371 1.2.2.3 bouyer s = splbio(); 372 1.2.2.2 bouyer if (sc->sc_tidmap != NULL) 373 1.2.2.2 bouyer free(sc->sc_tidmap, M_DEVBUF); 374 1.2.2.2 bouyer sc->sc_tidmap = tidmap; 375 1.2.2.3 bouyer splx(s); 376 1.2.2.2 bouyer sc->sc_chgindicator = iop->sc_lct->changeindicator; 377 1.2.2.3 bouyer return (0); 378 1.2.2.2 bouyer } 379 1.2.2.2 bouyer 380 1.2.2.2 bouyer /* 381 1.2.2.3 bouyer * Adjust the size of an I/O request. 382 1.2.2.2 bouyer */ 383 1.2.2.2 bouyer static void 384 1.2.2.2 bouyer iopsp_minphys(struct buf *bp) 385 1.2.2.2 bouyer { 386 1.2.2.2 bouyer 387 1.2.2.2 bouyer if (bp->b_bcount > IOP_MAX_XFER) 388 1.2.2.2 bouyer bp->b_bcount = IOP_MAX_XFER; 389 1.2.2.2 bouyer minphys(bp); 390 1.2.2.2 bouyer } 391 1.2.2.2 bouyer 392 1.2.2.2 bouyer /* 393 1.2.2.3 bouyer * Re-scan the bus; to be called from a higher level (e.g. scsipi). 394 1.2.2.2 bouyer */ 395 1.2.2.2 bouyer static int 396 1.2.2.2 bouyer iopsp_rescan(struct iopsp_softc *sc) 397 1.2.2.2 bouyer { 398 1.2.2.2 bouyer struct iop_softc *iop; 399 1.2.2.2 bouyer struct iop_msg *im; 400 1.2.2.2 bouyer struct i2o_hba_bus_scan *mb; 401 1.2.2.2 bouyer int rv; 402 1.2.2.2 bouyer 403 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 404 1.2.2.2 bouyer 405 1.2.2.3 bouyer rv = lockmgr(&iop->sc_conflock, LK_EXCLUSIVE | LK_RECURSEFAIL, NULL); 406 1.2.2.3 bouyer if (rv != 0) { 407 1.2.2.3 bouyer #ifdef I2ODEBUG 408 1.2.2.3 bouyer printf("iopsp_rescan: unable to acquire lock\n"); 409 1.2.2.3 bouyer #endif 410 1.2.2.2 bouyer return (rv); 411 1.2.2.3 bouyer } 412 1.2.2.2 bouyer 413 1.2.2.3 bouyer /* XXX If it's boot time, the bus will already have been scanned. */ 414 1.2.2.3 bouyer if (curproc != &proc0) { 415 1.2.2.3 bouyer if ((rv = iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOINTR)) != 0) 416 1.2.2.3 bouyer goto done; 417 1.2.2.3 bouyer 418 1.2.2.3 bouyer mb = (struct i2o_hba_bus_scan *)im->im_msg; 419 1.2.2.3 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_hba_bus_scan); 420 1.2.2.3 bouyer mb->msgfunc = I2O_MSGFUNC(sc->sc_tid, I2O_HBA_BUS_SCAN); 421 1.2.2.3 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 422 1.2.2.3 bouyer mb->msgtctx = im->im_tctx; 423 1.2.2.3 bouyer 424 1.2.2.3 bouyer rv = iop_msg_enqueue(iop, im, 5*60*1000); 425 1.2.2.3 bouyer iop_msg_free(iop, &sc->sc_ii, im); 426 1.2.2.3 bouyer if (rv != 0) 427 1.2.2.3 bouyer goto done; 428 1.2.2.3 bouyer 429 1.2.2.3 bouyer if ((rv = iop_lct_get(iop)) != 0) 430 1.2.2.3 bouyer goto done; 431 1.2.2.3 bouyer } 432 1.2.2.3 bouyer 433 1.2.2.3 bouyer /* Rebuild the target/LUN -> TID map, release lock, and return. */ 434 1.2.2.3 bouyer rv = iopsp_reconfig(&sc->sc_dv); 435 1.2.2.3 bouyer done: 436 1.2.2.3 bouyer lockmgr(&iop->sc_conflock, LK_RELEASE, NULL); 437 1.2.2.3 bouyer return (rv); 438 1.2.2.2 bouyer } 439 1.2.2.2 bouyer 440 1.2.2.2 bouyer /* 441 1.2.2.2 bouyer * Start a SCSI command. 442 1.2.2.2 bouyer */ 443 1.2.2.2 bouyer static int 444 1.2.2.2 bouyer iopsp_scsi_cmd(struct scsipi_xfer *xs) 445 1.2.2.2 bouyer { 446 1.2.2.2 bouyer struct scsipi_link *sc_link; 447 1.2.2.2 bouyer struct iopsp_softc *sc; 448 1.2.2.2 bouyer struct iop_msg *im; 449 1.2.2.2 bouyer struct iop_softc *iop; 450 1.2.2.2 bouyer struct i2o_scsi_scb_exec *mb; 451 1.2.2.2 bouyer int error, flags, tid; 452 1.2.2.2 bouyer 453 1.2.2.2 bouyer sc_link = xs->sc_link; 454 1.2.2.2 bouyer flags = xs->xs_control; 455 1.2.2.2 bouyer sc = sc_link->adapter_softc; 456 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 457 1.2.2.2 bouyer 458 1.2.2.2 bouyer tid = IOPSP_TIDMAP(sc->sc_tidmap, sc_link->scsipi_scsi.target, 459 1.2.2.2 bouyer sc_link->scsipi_scsi.lun); 460 1.2.2.2 bouyer if (tid == IOPSP_TID_ABSENT || tid == IOPSP_TID_INUSE) { 461 1.2.2.2 bouyer xs->error = XS_SELTIMEOUT; 462 1.2.2.2 bouyer return (COMPLETE); 463 1.2.2.2 bouyer } 464 1.2.2.2 bouyer 465 1.2.2.2 bouyer SC_DEBUG(sc_link, SDEV_DB2, ("iopsp_scsi_cmd\n")); 466 1.2.2.2 bouyer 467 1.2.2.2 bouyer /* Need to reset the target? */ 468 1.2.2.2 bouyer if ((flags & XS_CTL_RESET) != 0) { 469 1.2.2.2 bouyer if (iop_simple_cmd(iop, tid, I2O_SCSI_DEVICE_RESET, 470 1.2.2.3 bouyer sc->sc_ii.ii_ictx, 1, 10*1000) != 0) { 471 1.2.2.2 bouyer #ifdef I2ODEBUG 472 1.2.2.2 bouyer printf("%s: reset failed\n", sc->sc_dv.dv_xname); 473 1.2.2.2 bouyer #endif 474 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 475 1.2.2.2 bouyer } 476 1.2.2.2 bouyer return (COMPLETE); 477 1.2.2.2 bouyer } 478 1.2.2.2 bouyer 479 1.2.2.2 bouyer #if defined(I2ODEBUG) || defined(SCSIDEBUG) 480 1.2.2.3 bouyer if (xs->cmdlen > 16) 481 1.2.2.3 bouyer panic("%s: CDB too large\n", sc->sc_dv.dv_xname); 482 1.2.2.2 bouyer #endif 483 1.2.2.2 bouyer 484 1.2.2.2 bouyer if (iop_msg_alloc(iop, &sc->sc_ii, &im, 485 1.2.2.2 bouyer (flags & (XS_CTL_POLL | XS_CTL_NOSLEEP)) != 0 ? IM_NOWAIT : 0)) { 486 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 487 1.2.2.2 bouyer return (TRY_AGAIN_LATER); 488 1.2.2.2 bouyer } 489 1.2.2.2 bouyer im->im_dvcontext = xs; 490 1.2.2.2 bouyer 491 1.2.2.2 bouyer mb = (struct i2o_scsi_scb_exec *)im->im_msg; 492 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_exec); 493 1.2.2.2 bouyer mb->msgfunc = I2O_MSGFUNC(tid, I2O_SCSI_SCB_EXEC); 494 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 495 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 496 1.2.2.2 bouyer mb->flags = xs->cmdlen | I2O_SCB_FLAG_ENABLE_DISCONNECT | 497 1.2.2.2 bouyer I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; 498 1.2.2.2 bouyer memcpy(mb->cdb, xs->cmd, xs->cmdlen); 499 1.2.2.2 bouyer mb->datalen = xs->datalen; 500 1.2.2.2 bouyer 501 1.2.2.2 bouyer if ((xs->sc_link->quirks & SDEV_NOTAG) == 0 && 502 1.2.2.3 bouyer (xs->xs_control & XS_CTL_POLL) != 0) { 503 1.2.2.2 bouyer if (xs->bp != NULL && (xs->bp->b_flags & B_ASYNC) != 0) 504 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_ORDERED_QUEUE_TAG; 505 1.2.2.2 bouyer else 506 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_SIMPLE_QUEUE_TAG; 507 1.2.2.2 bouyer } 508 1.2.2.2 bouyer 509 1.2.2.2 bouyer if (xs->datalen != 0) { 510 1.2.2.2 bouyer error = iop_msg_map(iop, im, xs->data, xs->datalen, 511 1.2.2.2 bouyer (flags & XS_CTL_DATA_OUT) == 0); 512 1.2.2.2 bouyer if (error) { 513 1.2.2.2 bouyer #ifdef I2ODEBUG 514 1.2.2.2 bouyer printf("%s: error %d mapping xfer\n", 515 1.2.2.2 bouyer sc->sc_dv.dv_xname, error); 516 1.2.2.2 bouyer #endif 517 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 518 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 519 1.2.2.2 bouyer return (COMPLETE); 520 1.2.2.2 bouyer } 521 1.2.2.2 bouyer if ((flags & XS_CTL_DATA_IN) == 0) 522 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_XFER_TO_DEVICE; 523 1.2.2.2 bouyer else 524 1.2.2.2 bouyer mb->flags |= I2O_SCB_FLAG_XFER_FROM_DEVICE; 525 1.2.2.2 bouyer } 526 1.2.2.2 bouyer 527 1.2.2.2 bouyer /* 528 1.2.2.2 bouyer * If the command is allowed to execute asynchronously, enqueue it 529 1.2.2.3 bouyer * with the IOP. 530 1.2.2.2 bouyer */ 531 1.2.2.2 bouyer if ((flags & XS_CTL_POLL) == 0) { 532 1.2.2.3 bouyer iop_msg_enqueue(iop, im, 0); 533 1.2.2.2 bouyer return (SUCCESSFULLY_QUEUED); 534 1.2.2.2 bouyer } 535 1.2.2.2 bouyer 536 1.2.2.2 bouyer if (iop_msg_send(iop, im, xs->timeout)) { 537 1.2.2.2 bouyer scsi_print_addr(xs->sc_link); 538 1.2.2.2 bouyer printf("timeout; aborting command\n"); 539 1.2.2.3 bouyer if (iopsp_scsi_abort(sc, tid, im)) { 540 1.2.2.2 bouyer scsi_print_addr(xs->sc_link); 541 1.2.2.2 bouyer printf("abort failed\n"); 542 1.2.2.2 bouyer } 543 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 544 1.2.2.2 bouyer } 545 1.2.2.2 bouyer return (COMPLETE); 546 1.2.2.2 bouyer } 547 1.2.2.2 bouyer 548 1.2.2.2 bouyer /* 549 1.2.2.2 bouyer * Abort the specified I2O_SCSI_SCB_EXEC message and its associated SCB. 550 1.2.2.2 bouyer */ 551 1.2.2.2 bouyer static int 552 1.2.2.3 bouyer iopsp_scsi_abort(struct iopsp_softc *sc, int atid, struct iop_msg *aim) 553 1.2.2.2 bouyer { 554 1.2.2.2 bouyer struct iop_msg *im; 555 1.2.2.2 bouyer struct i2o_scsi_scb_abort *mb; 556 1.2.2.2 bouyer struct iop_softc *iop; 557 1.2.2.2 bouyer int rv; 558 1.2.2.2 bouyer 559 1.2.2.2 bouyer iop = (struct iop_softc *)sc->sc_dv.dv_parent; 560 1.2.2.2 bouyer 561 1.2.2.2 bouyer rv = iop_msg_alloc(iop, &sc->sc_ii, &im, IM_NOWAIT | IM_NOINTR); 562 1.2.2.2 bouyer if (rv != 0) 563 1.2.2.2 bouyer return (rv); 564 1.2.2.2 bouyer 565 1.2.2.2 bouyer mb = (struct i2o_scsi_scb_abort *)im->im_msg; 566 1.2.2.2 bouyer mb->msgflags = I2O_MSGFLAGS(i2o_scsi_scb_abort); 567 1.2.2.3 bouyer mb->msgfunc = I2O_MSGFUNC(atid, I2O_SCSI_SCB_ABORT); 568 1.2.2.2 bouyer mb->msgictx = sc->sc_ii.ii_ictx; 569 1.2.2.2 bouyer mb->msgtctx = im->im_tctx; 570 1.2.2.2 bouyer mb->tctxabort = aim->im_tctx; 571 1.2.2.2 bouyer 572 1.2.2.2 bouyer rv = iop_msg_send(iop, im, 1000); 573 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 574 1.2.2.2 bouyer return (rv); 575 1.2.2.2 bouyer } 576 1.2.2.2 bouyer 577 1.2.2.2 bouyer /* 578 1.2.2.2 bouyer * We have a message which has been processed and replied to by the IOP - 579 1.2.2.2 bouyer * deal with it. 580 1.2.2.2 bouyer */ 581 1.2.2.2 bouyer static void 582 1.2.2.2 bouyer iopsp_intr(struct device *dv, struct iop_msg *im, void *reply) 583 1.2.2.2 bouyer { 584 1.2.2.2 bouyer struct scsipi_xfer *xs; 585 1.2.2.2 bouyer struct iopsp_softc *sc; 586 1.2.2.2 bouyer struct i2o_scsi_reply *rb; 587 1.2.2.2 bouyer struct iop_softc *iop; 588 1.2.2.2 bouyer u_int hba_status, scsi_status, detail; 589 1.2.2.2 bouyer int sl; 590 1.2.2.2 bouyer 591 1.2.2.2 bouyer sc = (struct iopsp_softc *)dv; 592 1.2.2.2 bouyer xs = (struct scsipi_xfer *)im->im_dvcontext; 593 1.2.2.2 bouyer iop = (struct iop_softc *)dv->dv_parent; 594 1.2.2.2 bouyer 595 1.2.2.2 bouyer SC_DEBUG(xs->sc_link, SDEV_DB2, ("iopsp_intr\n")); 596 1.2.2.2 bouyer 597 1.2.2.2 bouyer if (xs->error == XS_NOERROR) { 598 1.2.2.2 bouyer rb = reply; 599 1.2.2.2 bouyer detail = le16toh(rb->detail); 600 1.2.2.2 bouyer hba_status = (detail >> 8) & 0xff; 601 1.2.2.2 bouyer scsi_status = detail & 0xff; 602 1.2.2.2 bouyer 603 1.2.2.2 bouyer if (hba_status != I2O_SCSI_DSC_SUCCESS) { 604 1.2.2.2 bouyer switch (hba_status) { 605 1.2.2.2 bouyer case I2O_SCSI_DSC_ADAPTER_BUSY: 606 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_BUS_RESET: 607 1.2.2.2 bouyer case I2O_SCSI_DSC_BUS_BUSY: 608 1.2.2.2 bouyer xs->error = XS_BUSY; 609 1.2.2.2 bouyer break; 610 1.2.2.2 bouyer case I2O_SCSI_DSC_SELECTION_TIMEOUT: 611 1.2.2.2 bouyer xs->error = XS_SELTIMEOUT; 612 1.2.2.2 bouyer break; 613 1.2.2.2 bouyer case I2O_SCSI_DSC_COMMAND_TIMEOUT: 614 1.2.2.2 bouyer case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: 615 1.2.2.2 bouyer case I2O_SCSI_DSC_LUN_INVALID: 616 1.2.2.2 bouyer case I2O_SCSI_DSC_SCSI_TID_INVALID: 617 1.2.2.2 bouyer xs->error = XS_TIMEOUT; 618 1.2.2.2 bouyer break; 619 1.2.2.2 bouyer default: 620 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 621 1.2.2.2 bouyer break; 622 1.2.2.2 bouyer } 623 1.2.2.2 bouyer #ifdef I2ODEBUG 624 1.2.2.2 bouyer printf("%s: HBA status 0x%02x\n", sc->sc_dv.dv_xname, 625 1.2.2.2 bouyer hba_status); 626 1.2.2.2 bouyer #endif 627 1.2.2.2 bouyer } else if (scsi_status != SCSI_OK) { 628 1.2.2.2 bouyer switch (scsi_status) { 629 1.2.2.2 bouyer case SCSI_CHECK: 630 1.2.2.2 bouyer xs->error = XS_SENSE; 631 1.2.2.2 bouyer sl = le32toh(rb->senselen); 632 1.2.2.2 bouyer if (sl > sizeof(xs->sense.scsi_sense)) 633 1.2.2.4 bouyer sl = sizeof(xs->sense.scsi_sense); 634 1.2.2.2 bouyer memcpy(&xs->sense.scsi_sense, rb->sense, sl); 635 1.2.2.2 bouyer break; 636 1.2.2.2 bouyer case SCSI_BUSY: 637 1.2.2.2 bouyer xs->error = XS_BUSY; 638 1.2.2.2 bouyer break; 639 1.2.2.2 bouyer default: 640 1.2.2.2 bouyer xs->error = XS_DRIVER_STUFFUP; 641 1.2.2.2 bouyer break; 642 1.2.2.2 bouyer } 643 1.2.2.2 bouyer } else 644 1.2.2.2 bouyer xs->error = XS_NOERROR; 645 1.2.2.2 bouyer 646 1.2.2.2 bouyer xs->resid = le32toh(rb->datalen) - xs->datalen; 647 1.2.2.2 bouyer xs->status = scsi_status; 648 1.2.2.2 bouyer } 649 1.2.2.2 bouyer 650 1.2.2.2 bouyer /* Free the message wrapper and pass the news to scsipi. */ 651 1.2.2.2 bouyer iop_msg_unmap(iop, im); 652 1.2.2.2 bouyer iop_msg_free(iop, &sc->sc_ii, im); 653 1.2.2.2 bouyer scsipi_done(xs); 654 1.2.2.2 bouyer } 655 1.2.2.2 bouyer 656 1.2.2.2 bouyer /* 657 1.2.2.2 bouyer * ioctl hook; used here only to initiate low-level rescans. 658 1.2.2.2 bouyer */ 659 1.2.2.2 bouyer static int 660 1.2.2.2 bouyer iopsp_ioctl(struct scsipi_link *sc_link, u_long cmd, caddr_t data, int flag, 661 1.2.2.2 bouyer struct proc *p) 662 1.2.2.2 bouyer { 663 1.2.2.2 bouyer int rv; 664 1.2.2.2 bouyer 665 1.2.2.2 bouyer switch (cmd) { 666 1.2.2.2 bouyer case SCBUSIOLLSCAN: 667 1.2.2.2 bouyer rv = iopsp_rescan(sc_link->adapter_softc); 668 1.2.2.2 bouyer break; 669 1.2.2.2 bouyer default: 670 1.2.2.2 bouyer rv = ENXIO; 671 1.2.2.2 bouyer break; 672 1.2.2.2 bouyer } 673 1.2.2.2 bouyer 674 1.2.2.2 bouyer return (rv); 675 1.2.2.2 bouyer } 676
Indexes created Tue Oct 21 12:09:54 GMT 2025