diff options
Diffstat (limited to 'contrib/netbsd-tests/dev/scsipi/libscsitest/scsitest.c')
| -rw-r--r-- | contrib/netbsd-tests/dev/scsipi/libscsitest/scsitest.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/dev/scsipi/libscsitest/scsitest.c b/contrib/netbsd-tests/dev/scsipi/libscsitest/scsitest.c new file mode 100644 index 0000000..8f214f7 --- /dev/null +++ b/contrib/netbsd-tests/dev/scsipi/libscsitest/scsitest.c @@ -0,0 +1,259 @@ +/* $NetBSD: scsitest.c,v 1.2 2014/04/25 00:24:39 pooka Exp $ */ + +/* + * Copyright (c) 2010 Antti Kantee. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * A SCSI target which is useful for debugging our scsipi driver stack. + * Currently it pretends to be a single CD. + * + * Freely add the necessary features for your tests. Just remember to + * run the atf test suite to make sure you didn't cause regressions to + * other tests. + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: scsitest.c,v 1.2 2014/04/25 00:24:39 pooka Exp $"); + +#include <sys/param.h> +#include <sys/atomic.h> +#include <sys/buf.h> +#include <sys/device.h> +#include <sys/malloc.h> +#include <sys/fcntl.h> + +#include <dev/scsipi/scsiconf.h> +#include <dev/scsipi/scsipiconf.h> +#include <dev/scsipi/scsi_disk.h> +#include <dev/scsipi/scsipi_cd.h> +#include <dev/scsipi/scsipi_all.h> + +#include <rump/rumpuser.h> + +#include "scsitest.h" + +int scsitest_match(device_t, cfdata_t, void *); +void scsitest_attach(device_t, device_t, void *); + +struct scsitest { + struct scsipi_channel sc_channel; + struct scsipi_adapter sc_adapter; +}; + +CFATTACH_DECL_NEW(scsitest, sizeof(struct scsitest), scsitest_match, + scsitest_attach, NULL, NULL); + +/* + * tosi.iso can be used to deliver CD requests to a host file with the + * name in USE_TOSI_ISO (yes, it's extrasimplistic). + */ +//#define USE_TOSI_ISO + +#define CDBLOCKSIZE 2048 +static uint32_t mycdsize = 2048; +static int isofd; + +#define MYCDISO "tosi.iso" + +unsigned rump_scsitest_err[RUMP_SCSITEST_MAXERROR]; + +static void +sense_notready(struct scsipi_xfer *xs) +{ + struct scsi_sense_data *sense = &xs->sense.scsi_sense; + + xs->error = XS_SENSE; + + sense->response_code = 0x70; + sense->flags = SKEY_NOT_READY; + sense->asc = 0x3A; + sense->ascq = 0x00; + sense->extra_len = 6; +} + +/* + * This is pretty much a CD target for now + */ +static void +scsitest_request(struct scsipi_channel *chan, + scsipi_adapter_req_t req, void *arg) +{ + struct scsipi_xfer *xs = arg; + struct scsipi_generic *cmd = xs->cmd; +#ifdef USE_TOSI_ISO + int error; +#endif + + if (req != ADAPTER_REQ_RUN_XFER) + return; + + //show_scsipi_xs(xs); + + switch (cmd->opcode) { + case SCSI_TEST_UNIT_READY: + if (isofd == -1) + sense_notready(xs); + + break; + case INQUIRY: { + struct scsipi_inquiry_data *inqbuf = (void *)xs->data; + + memset(inqbuf, 0, sizeof(*inqbuf)); + inqbuf->device = T_CDROM; + inqbuf->dev_qual2 = SID_REMOVABLE; + strcpy(inqbuf->vendor, "RUMPHOBO"); + strcpy(inqbuf->product, "It's a LIE"); + strcpy(inqbuf->revision, "0.00"); + break; + } + case READ_CD_CAPACITY: { + struct scsipi_read_cd_cap_data *ret = (void *)xs->data; + + _lto4b(CDBLOCKSIZE, ret->length); + _lto4b(mycdsize, ret->addr); + + break; + } + case READ_DISCINFO: { + struct scsipi_read_discinfo_data *ret = (void *)xs->data; + + memset(ret, 0, sizeof(*ret)); + break; + } + case READ_TRACKINFO: { + struct scsipi_read_trackinfo_data *ret = (void *)xs->data; + + _lto4b(mycdsize, ret->track_size); + break; + } + case READ_TOC: { + struct scsipi_toc_header *ret = (void *)xs->data; + + memset(ret, 0, sizeof(*ret)); + break; + } + case START_STOP: { + struct scsipi_start_stop *param = (void *)cmd; + + if (param->how & SSS_LOEJ) { +#ifdef USE_TOSI_ISO + rumpuser_close(isofd, &error); +#endif + isofd = -1; + } + break; + } + case SCSI_SYNCHRONIZE_CACHE_10: { + if (isofd == -1) { + if ((xs->xs_control & XS_CTL_SILENT) == 0) + atomic_inc_uint(&rump_scsitest_err + [RUMP_SCSITEST_NOISYSYNC]); + + sense_notready(xs); + } + + break; + } + case GET_CONFIGURATION: { + memset(xs->data, 0, sizeof(struct scsipi_get_conf_data)); + break; + } + case SCSI_READ_6_COMMAND: { +#ifdef USE_TOSI_ISO + struct scsi_rw_6 *param = (void *)cmd; + + printf("reading %d bytes from %d\n", + param->length * CDBLOCKSIZE, + _3btol(param->addr) * CDBLOCKSIZE); + rumpuser_pread(isofd, xs->data, + param->length * CDBLOCKSIZE, + _3btol(param->addr) * CDBLOCKSIZE, + &error); +#endif + + break; + } + case SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL: + /* hardcoded for now */ + break; + default: + printf("unhandled opcode 0x%x\n", cmd->opcode); + break; + } + + scsipi_done(xs); +} + +int +scsitest_match(device_t parent, cfdata_t match, void *aux) +{ +#ifdef USE_TOSI_ISO + uint64_t fsize; + int error, ft; + + if (rumpuser_getfileinfo(MYCDISO, &fsize, &ft, &error)) + return 0; + if (ft != RUMPUSER_FT_REG) + return 0; + mycdsize = fsize / CDBLOCKSIZE; + + if ((isofd = rumpuser_open(MYCDISO, RUMPUSER_OPEN_RDWR, &error)) == -1) + return 0; +#else + /* + * We pretend to have a medium present initially, so != -1. + */ + isofd = -2; +#endif + + return 1; +} + +void +scsitest_attach(device_t parent, device_t self, void *aux) +{ + struct scsitest *sc = device_private(self); + + aprint_naive("\n"); + aprint_normal("\n"); + + memset(&sc->sc_adapter, 0, sizeof(sc->sc_adapter)); + sc->sc_adapter.adapt_nchannels = 1; + sc->sc_adapter.adapt_request = scsitest_request; + sc->sc_adapter.adapt_minphys = minphys; + sc->sc_adapter.adapt_dev = self; + sc->sc_adapter.adapt_max_periph = 1; + sc->sc_adapter.adapt_openings = 1; + + memset(&sc->sc_channel, 0, sizeof(sc->sc_channel)); + sc->sc_channel.chan_bustype = &scsi_bustype; + sc->sc_channel.chan_ntargets = 2; + sc->sc_channel.chan_nluns = 1; + sc->sc_channel.chan_id = 0; + sc->sc_channel.chan_flags = SCSIPI_CHAN_NOSETTLE; + sc->sc_channel.chan_adapter = &sc->sc_adapter; + + config_found_ia(self, "scsi", &sc->sc_channel, scsiprint); +} |
