| Commit | Line | Data |
|---|---|---|
| 249d29c8 SW |
1 | /*- |
| 2 | * Copyright 2007 Scott Long | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * | |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |
| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 24 | * SUCH DAMAGE. | |
| 25 | * | |
| f0d8b1f2 | 26 | * $FreeBSD: src/sys/dev/mfi/mfi_cam.c,v 1.7 2011/10/13 20:06:19 marius Exp $ |
| 590ba11d | 27 | * FreeBSD projects/head_mfi/ r232949 |
| 249d29c8 SW |
28 | */ |
| 29 | ||
| 30 | #include "opt_mfi.h" | |
| 31 | ||
| 32 | #include <sys/param.h> | |
| 33 | #include <sys/systm.h> | |
| 34 | #include <sys/kernel.h> | |
| 35 | #include <sys/malloc.h> | |
| 36 | #include <sys/module.h> | |
| 37 | #include <sys/bus.h> | |
| 38 | #include <sys/conf.h> | |
| 39 | #include <sys/eventhandler.h> | |
| 40 | #include <sys/rman.h> | |
| 41 | #include <sys/bus_dma.h> | |
| 42 | #include <sys/buf2.h> | |
| 249d29c8 SW |
43 | #include <sys/uio.h> |
| 44 | #include <sys/proc.h> | |
| 45 | #include <sys/signalvar.h> | |
| 46 | ||
| 47 | #include <bus/cam/cam.h> | |
| 48 | #include <bus/cam/cam_ccb.h> | |
| 49 | #include <bus/cam/cam_debug.h> | |
| 50 | #include <bus/cam/cam_sim.h> | |
| 51 | #include <bus/cam/cam_xpt_sim.h> | |
| 52 | #include <bus/cam/scsi/scsi_all.h> | |
| 53 | #include <bus/cam/scsi/scsi_message.h> | |
| 54 | ||
| 249d29c8 | 55 | #include <machine/md_var.h> |
| 249d29c8 SW |
56 | |
| 57 | #include <dev/raid/mfi/mfireg.h> | |
| 58 | #include <dev/raid/mfi/mfi_ioctl.h> | |
| 59 | #include <dev/raid/mfi/mfivar.h> | |
| 60 | ||
| 61 | struct mfip_softc { | |
| 62 | device_t dev; | |
| 63 | struct mfi_softc *mfi_sc; | |
| 64 | struct cam_devq *devq; | |
| 65 | struct cam_sim *sim; | |
| 66 | struct cam_path *path; | |
| 67 | }; | |
| 68 | ||
| 69 | static int mfip_probe(device_t); | |
| 70 | static int mfip_attach(device_t); | |
| 71 | static int mfip_detach(device_t); | |
| 72 | static void mfip_cam_action(struct cam_sim *, union ccb *); | |
| 73 | static void mfip_cam_poll(struct cam_sim *); | |
| 74 | static struct mfi_command * mfip_start(void *); | |
| 75 | static void mfip_done(struct mfi_command *cm); | |
| 76 | ||
| 77 | static devclass_t mfip_devclass; | |
| 78 | static device_method_t mfip_methods[] = { | |
| 79 | DEVMETHOD(device_probe, mfip_probe), | |
| 80 | DEVMETHOD(device_attach, mfip_attach), | |
| 81 | DEVMETHOD(device_detach, mfip_detach), | |
| 82 | {0, 0} | |
| 83 | }; | |
| 84 | static driver_t mfip_driver = { | |
| 85 | "mfip", | |
| 86 | mfip_methods, | |
| 87 | sizeof(struct mfip_softc) | |
| 88 | }; | |
| aa2b9d05 | 89 | DRIVER_MODULE(mfip, mfi, mfip_driver, mfip_devclass, NULL, NULL); |
| 249d29c8 SW |
90 | MODULE_DEPEND(mfip, cam, 1, 1, 1); |
| 91 | MODULE_DEPEND(mfip, mfi, 1, 1, 1); | |
| 92 | ||
| 93 | #define ccb_mfip_ptr sim_priv.entries[0].ptr | |
| 94 | ||
| 95 | static int | |
| 96 | mfip_probe(device_t dev) | |
| 97 | { | |
| 98 | ||
| 99 | device_set_desc(dev, "SCSI Passthrough Bus"); | |
| 100 | return (0); | |
| 101 | } | |
| 102 | ||
| 103 | static int | |
| 104 | mfip_attach(device_t dev) | |
| 105 | { | |
| 106 | struct mfip_softc *sc; | |
| 107 | struct mfi_softc *mfisc; | |
| 108 | ||
| 109 | sc = device_get_softc(dev); | |
| 110 | if (sc == NULL) | |
| 111 | return (EINVAL); | |
| 112 | ||
| 113 | mfisc = device_get_softc(device_get_parent(dev)); | |
| 114 | sc->dev = dev; | |
| 115 | sc->mfi_sc = mfisc; | |
| 116 | mfisc->mfi_cam_start = mfip_start; | |
| 117 | ||
| 118 | if ((sc->devq = cam_simq_alloc(MFI_SCSI_MAX_CMDS)) == NULL) | |
| 119 | return (ENOMEM); | |
| 120 | ||
| 121 | sc->sim = cam_sim_alloc(mfip_cam_action, mfip_cam_poll, "mfi", sc, | |
| 122 | device_get_unit(dev), &mfisc->mfi_io_lock, 1, | |
| 123 | MFI_SCSI_MAX_CMDS, sc->devq); | |
| 124 | if (sc->sim == NULL) { | |
| 590ba11d | 125 | cam_simq_release(sc->devq); |
| 249d29c8 SW |
126 | device_printf(dev, "CAM SIM attach failed\n"); |
| 127 | return (EINVAL); | |
| 128 | } | |
| 129 | ||
| 130 | lockmgr(&mfisc->mfi_io_lock, LK_EXCLUSIVE); | |
| 131 | if (xpt_bus_register(sc->sim, 0) != 0) { | |
| 132 | device_printf(dev, "XPT bus registration failed\n"); | |
| 133 | cam_sim_free(sc->sim); | |
| 590ba11d | 134 | cam_simq_release(sc->devq); |
| 249d29c8 SW |
135 | lockmgr(&mfisc->mfi_io_lock, LK_RELEASE); |
| 136 | return (EINVAL); | |
| 137 | } | |
| 138 | lockmgr(&mfisc->mfi_io_lock, LK_RELEASE); | |
| 139 | ||
| 140 | return (0); | |
| 141 | } | |
| 142 | ||
| 143 | static int | |
| 144 | mfip_detach(device_t dev) | |
| 145 | { | |
| 146 | struct mfip_softc *sc; | |
| 147 | ||
| 148 | sc = device_get_softc(dev); | |
| 149 | if (sc == NULL) | |
| 150 | return (EINVAL); | |
| 151 | ||
| 152 | if (sc->sim != NULL) { | |
| 153 | lockmgr(&sc->mfi_sc->mfi_io_lock, LK_EXCLUSIVE); | |
| 154 | xpt_bus_deregister(cam_sim_path(sc->sim)); | |
| 155 | cam_sim_free(sc->sim); | |
| 156 | lockmgr(&sc->mfi_sc->mfi_io_lock, LK_RELEASE); | |
| 157 | } | |
| 158 | ||
| 590ba11d SW |
159 | if (sc->devq != NULL) |
| 160 | cam_simq_release(sc->devq); | |
| 161 | ||
| 249d29c8 SW |
162 | return (0); |
| 163 | } | |
| 164 | ||
| 165 | static void | |
| 166 | mfip_cam_action(struct cam_sim *sim, union ccb *ccb) | |
| 167 | { | |
| 168 | struct mfip_softc *sc = cam_sim_softc(sim); | |
| 169 | struct mfi_softc *mfisc = sc->mfi_sc; | |
| 170 | ||
| 171 | KKASSERT(lockstatus(&mfisc->mfi_io_lock, curthread) != 0); | |
| 172 | ||
| 173 | switch (ccb->ccb_h.func_code) { | |
| 174 | case XPT_PATH_INQ: | |
| 175 | { | |
| 176 | struct ccb_pathinq *cpi = &ccb->cpi; | |
| 177 | ||
| 178 | cpi->version_num = 1; | |
| 179 | cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; | |
| 180 | cpi->target_sprt = 0; | |
| 181 | cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; | |
| 182 | cpi->hba_eng_cnt = 0; | |
| 183 | cpi->max_target = MFI_SCSI_MAX_TARGETS; | |
| 184 | cpi->max_lun = MFI_SCSI_MAX_LUNS; | |
| 185 | cpi->initiator_id = MFI_SCSI_INITIATOR_ID; | |
| 186 | strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); | |
| 187 | strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); | |
| 188 | strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); | |
| 189 | cpi->unit_number = cam_sim_unit(sim); | |
| 190 | cpi->bus_id = cam_sim_bus(sim); | |
| 191 | cpi->base_transfer_speed = 150000; | |
| 192 | cpi->transport = XPORT_SAS; | |
| 193 | cpi->transport_version = 0; | |
| 194 | cpi->protocol = PROTO_SCSI; | |
| 195 | cpi->protocol_version = SCSI_REV_2; | |
| 196 | cpi->ccb_h.status = CAM_REQ_CMP; | |
| 197 | break; | |
| 198 | } | |
| 199 | case XPT_RESET_BUS: | |
| 200 | ccb->ccb_h.status = CAM_REQ_CMP; | |
| 201 | break; | |
| 202 | case XPT_RESET_DEV: | |
| 203 | ccb->ccb_h.status = CAM_REQ_CMP; | |
| 204 | break; | |
| 205 | case XPT_GET_TRAN_SETTINGS: | |
| 206 | { | |
| 207 | struct ccb_trans_settings_sas *sas = | |
| 208 | &ccb->cts.xport_specific.sas; | |
| 209 | ||
| 210 | ccb->cts.protocol = PROTO_SCSI; | |
| 211 | ccb->cts.protocol_version = SCSI_REV_2; | |
| 212 | ccb->cts.transport = XPORT_SAS; | |
| 213 | ccb->cts.transport_version = 0; | |
| 214 | ||
| 215 | sas->valid &= ~CTS_SAS_VALID_SPEED; | |
| 216 | sas->bitrate = 150000; | |
| 217 | ||
| 218 | ccb->ccb_h.status = CAM_REQ_CMP; | |
| 219 | break; | |
| 220 | } | |
| 221 | case XPT_SET_TRAN_SETTINGS: | |
| 222 | ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; | |
| 223 | break; | |
| 224 | case XPT_SCSI_IO: | |
| 225 | { | |
| 226 | struct ccb_hdr *ccbh = &ccb->ccb_h; | |
| 227 | struct ccb_scsiio *csio = &ccb->csio; | |
| 228 | ||
| 229 | ccbh->status = CAM_REQ_INPROG; | |
| 230 | if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) { | |
| 231 | ccbh->status = CAM_REQ_INVALID; | |
| 232 | break; | |
| 233 | } | |
| 234 | if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { | |
| 235 | if (ccbh->flags & CAM_DATA_PHYS) { | |
| 236 | ccbh->status = CAM_REQ_INVALID; | |
| 237 | break; | |
| 238 | } | |
| 239 | if (ccbh->flags & CAM_SCATTER_VALID) { | |
| 240 | ccbh->status = CAM_REQ_INVALID; | |
| 241 | break; | |
| 242 | } | |
| 243 | } | |
| 244 | ||
| 245 | ccbh->ccb_mfip_ptr = sc; | |
| 246 | TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe); | |
| 247 | mfi_startio(mfisc); | |
| 248 | return; | |
| 249 | } | |
| 250 | default: | |
| 251 | ccb->ccb_h.status = CAM_REQ_INVALID; | |
| 252 | break; | |
| 253 | } | |
| 254 | ||
| 255 | xpt_done(ccb); | |
| 256 | return; | |
| 257 | } | |
| 258 | ||
| 259 | static struct mfi_command * | |
| 260 | mfip_start(void *data) | |
| 261 | { | |
| 262 | union ccb *ccb = data; | |
| 263 | struct ccb_hdr *ccbh = &ccb->ccb_h; | |
| 264 | struct ccb_scsiio *csio = &ccb->csio; | |
| 265 | struct mfip_softc *sc; | |
| 266 | struct mfi_pass_frame *pt; | |
| 267 | struct mfi_command *cm; | |
| 17566092 | 268 | uint32_t context = 0; |
| 249d29c8 SW |
269 | |
| 270 | sc = ccbh->ccb_mfip_ptr; | |
| 271 | ||
| 272 | if ((cm = mfi_dequeue_free(sc->mfi_sc)) == NULL) | |
| 273 | return (NULL); | |
| 274 | ||
| 17566092 SW |
275 | /* Zero out the MFI frame */ |
| 276 | context = cm->cm_frame->header.context; | |
| 277 | bzero(cm->cm_frame, sizeof(union mfi_frame)); | |
| 278 | cm->cm_frame->header.context = context; | |
| 279 | ||
| 249d29c8 SW |
280 | pt = &cm->cm_frame->pass; |
| 281 | pt->header.cmd = MFI_CMD_PD_SCSI_IO; | |
| 282 | pt->header.cmd_status = 0; | |
| 283 | pt->header.scsi_status = 0; | |
| 284 | pt->header.target_id = ccbh->target_id; | |
| 285 | pt->header.lun_id = ccbh->target_lun; | |
| 286 | pt->header.flags = 0; | |
| 287 | pt->header.timeout = 0; | |
| 288 | pt->header.data_len = csio->dxfer_len; | |
| 289 | pt->header.sense_len = MFI_SENSE_LEN; | |
| 290 | pt->header.cdb_len = csio->cdb_len; | |
| 291 | pt->sense_addr_lo = cm->cm_sense_busaddr; | |
| 292 | pt->sense_addr_hi = 0; | |
| 293 | if (ccbh->flags & CAM_CDB_POINTER) | |
| 294 | bcopy(csio->cdb_io.cdb_ptr, &pt->cdb[0], csio->cdb_len); | |
| 295 | else | |
| 296 | bcopy(csio->cdb_io.cdb_bytes, &pt->cdb[0], csio->cdb_len); | |
| 297 | cm->cm_complete = mfip_done; | |
| 298 | cm->cm_private = ccb; | |
| 299 | cm->cm_sg = &pt->sgl; | |
| 300 | cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE; | |
| 301 | cm->cm_data = csio->data_ptr; | |
| 302 | cm->cm_len = csio->dxfer_len; | |
| 303 | switch (ccbh->flags & CAM_DIR_MASK) { | |
| 304 | case CAM_DIR_IN: | |
| 305 | cm->cm_flags = MFI_CMD_DATAIN; | |
| 306 | break; | |
| 307 | case CAM_DIR_OUT: | |
| 308 | cm->cm_flags = MFI_CMD_DATAOUT; | |
| 309 | break; | |
| 310 | case CAM_DIR_NONE: | |
| 311 | default: | |
| 312 | cm->cm_data = NULL; | |
| 313 | cm->cm_len = 0; | |
| 314 | cm->cm_flags = 0; | |
| 315 | break; | |
| 316 | } | |
| 317 | ||
| 318 | TAILQ_REMOVE(&sc->mfi_sc->mfi_cam_ccbq, ccbh, sim_links.tqe); | |
| 319 | return (cm); | |
| 320 | } | |
| 321 | ||
| 322 | static void | |
| 323 | mfip_done(struct mfi_command *cm) | |
| 324 | { | |
| 325 | union ccb *ccb = cm->cm_private; | |
| 326 | struct ccb_hdr *ccbh = &ccb->ccb_h; | |
| 327 | struct ccb_scsiio *csio = &ccb->csio; | |
| 249d29c8 SW |
328 | struct mfi_pass_frame *pt; |
| 329 | ||
| 249d29c8 SW |
330 | pt = &cm->cm_frame->pass; |
| 331 | ||
| 332 | switch (pt->header.cmd_status) { | |
| 333 | case MFI_STAT_OK: | |
| 334 | { | |
| 335 | uint8_t command, device; | |
| 336 | ||
| 337 | ccbh->status = CAM_REQ_CMP; | |
| 338 | csio->scsi_status = pt->header.scsi_status; | |
| 339 | if (ccbh->flags & CAM_CDB_POINTER) | |
| 769308d7 | 340 | command = csio->cdb_io.cdb_ptr[0]; |
| 249d29c8 | 341 | else |
| 769308d7 | 342 | command = csio->cdb_io.cdb_bytes[0]; |
| 249d29c8 | 343 | if (command == INQUIRY) { |
| 769308d7 | 344 | device = csio->data_ptr[0] & 0x1f; |
| 249d29c8 SW |
345 | if ((device == T_DIRECT) || (device == T_PROCESSOR)) |
| 346 | csio->data_ptr[0] = | |
| ede4fee5 | 347 | (csio->data_ptr[0] & 0xe0) | T_NODEVICE; |
| 249d29c8 SW |
348 | } |
| 349 | break; | |
| 350 | } | |
| 351 | case MFI_STAT_SCSI_DONE_WITH_ERROR: | |
| 352 | { | |
| 353 | int sense_len; | |
| 354 | ||
| 355 | ccbh->status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID; | |
| 356 | csio->scsi_status = pt->header.scsi_status; | |
| f0d8b1f2 SW |
357 | if (pt->header.sense_len < csio->sense_len) |
| 358 | csio->sense_resid = csio->sense_len - | |
| 359 | pt->header.sense_len; | |
| 360 | else | |
| 361 | csio->sense_resid = 0; | |
| 362 | sense_len = min(pt->header.sense_len, | |
| 363 | sizeof(struct scsi_sense_data)); | |
| 249d29c8 SW |
364 | bzero(&csio->sense_data, sizeof(struct scsi_sense_data)); |
| 365 | bcopy(&cm->cm_sense->data[0], &csio->sense_data, sense_len); | |
| 366 | break; | |
| 367 | } | |
| 368 | case MFI_STAT_DEVICE_NOT_FOUND: | |
| 369 | ccbh->status = CAM_SEL_TIMEOUT; | |
| 370 | break; | |
| 371 | case MFI_STAT_SCSI_IO_FAILED: | |
| 372 | ccbh->status = CAM_REQ_CMP_ERR; | |
| 373 | csio->scsi_status = pt->header.scsi_status; | |
| 374 | break; | |
| 375 | default: | |
| 376 | ccbh->status = CAM_REQ_CMP_ERR; | |
| 377 | csio->scsi_status = pt->header.scsi_status; | |
| 378 | break; | |
| 379 | } | |
| 380 | ||
| 381 | mfi_release_command(cm); | |
| 382 | xpt_done(ccb); | |
| 383 | } | |
| 384 | ||
| 385 | static void | |
| 386 | mfip_cam_poll(struct cam_sim *sim) | |
| 387 | { | |
| 388 | return; | |
| 389 | } |