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-rw-r--r--sys/pci/simos.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/sys/pci/simos.c b/sys/pci/simos.c
deleted file mode 100644
index 040e042..0000000
--- a/sys/pci/simos.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*-
- * Copyright (c) 1998 Doug Rabson
- * 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 AND CONTRIBUTORS ``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.
- *
- * $FreeBSD$
- */
-
-#ifdef COMPILING_LINT
-#warning "The simos driver is broken and is not compiled with LINT"
-#else
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/malloc.h>
-#include <sys/bio.h>
-#include <sys/buf.h>
-#include <sys/proc.h>
-
-#include <cam/cam.h>
-#include <cam/cam_ccb.h>
-#include <cam/cam_sim.h>
-#include <cam/cam_xpt_sim.h>
-#include <cam/cam_debug.h>
-
-#include <cam/scsi/scsi_all.h>
-#include <cam/scsi/scsi_message.h>
-
-#include <machine/clock.h>
-#include <vm/vm.h>
-#include <vm/vm_param.h>
-#include <vm/pmap.h>
-#include <sys/kernel.h>
-
-#include <pci/simos.h>
-
-#include <pci/pcireg.h>
-#include <pci/pcivar.h>
-
-#ifndef COMPAT_OLDPCI
-#error "The simos device requires the old pci compatibility shims"
-#endif
-
-#include <machine/alpha_cpu.h>
-
-struct simos_softc {
- int sc_unit;
- SimOS_SCSI* sc_regs;
-
- /*
- * SimOS only supports one pending command.
- */
- struct cam_sim *sc_sim;
- struct cam_path *sc_path;
- struct ccb_scsiio *sc_pending;
-};
-
-struct simos_softc* simosp[10];
-
-static u_long simos_unit;
-
-static const char *simos_probe(pcici_t tag, pcidi_t type);
-static void simos_attach(pcici_t config_d, int unit);
-static void simos_action(struct cam_sim *sim, union ccb *ccb);
-static void simos_poll(struct cam_sim *sim);
-
-struct pci_device simos_driver = {
- "simos",
- simos_probe,
- simos_attach,
- &simos_unit,
- NULL
-};
-COMPAT_PCI_DRIVER (simos, simos_driver);
-
-static const char *
-simos_probe(pcici_t tag, pcidi_t type)
-{
- switch (type) {
- case 0x1291|(0x1291<<16):
- return "SimOS SCSI";
- default:
- return NULL;
- }
-
-}
-
-static void
-simos_attach(pcici_t config_id, int unit)
-{
- struct simos_softc* sc;
- struct cam_devq *devq;
-
- sc = malloc(sizeof(struct simos_softc), M_DEVBUF, M_WAITOK | M_ZERO);
- simosp[unit] = sc;
-
- sc->sc_unit = unit;
- sc->sc_regs = (SimOS_SCSI*) SIMOS_SCSI_ADDR;
- sc->sc_pending = 0;
-
- devq = cam_simq_alloc(/*maxopenings*/1);
- if (devq == NULL)
- return;
-
- sc->sc_sim = cam_sim_alloc(simos_action, simos_poll, "simos", sc, unit,
- /*untagged*/1, /*tagged*/0, devq);
- if (sc->sc_sim == NULL) {
- cam_simq_free(devq);
- return;
- }
-
- if (xpt_bus_register(sc->sc_sim, /*bus*/0) != CAM_SUCCESS) {
- cam_sim_free(sc->sc_sim, /*free_devq*/TRUE);
- return;
- }
-
- if (xpt_create_path(&sc->sc_path, /*periph*/NULL,
- cam_sim_path(sc->sc_sim), CAM_TARGET_WILDCARD,
- CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
- xpt_bus_deregister(cam_sim_path(sc->sc_sim));
- cam_sim_free(sc->sc_sim, /*free_devq*/TRUE);
- return;
- }
-
- alpha_register_pci_scsi(config_id->bus, config_id->slot, sc->sc_sim);
-
- return;
-}
-
-static void
-simos_start(struct simos_softc* sc, struct ccb_scsiio *csio)
-{
- struct scsi_generic *cmd;
- int cmdlen;
- caddr_t data;
- int datalen;
- int s;
- u_int8_t* p;
- int i, count, target;
- vm_offset_t va;
- vm_size_t size;
-
- cmd = (struct scsi_generic *) &csio->cdb_io.cdb_bytes;
- cmdlen = csio->cdb_len;
- data = csio->data_ptr;
- datalen = csio->dxfer_len;
-
- /*
- * Simos doesn't understand some commands
- */
- if (cmd->opcode == START_STOP || cmd->opcode == PREVENT_ALLOW
- || cmd->opcode == SYNCHRONIZE_CACHE) {
- csio->ccb_h.status = CAM_REQ_CMP;
- xpt_done((union ccb *) csio);
- return;
- }
-
- if (sc->sc_pending) {
- /*
- * Don't think this can happen.
- */
- printf("simos_start: can't start command while one is pending\n");
- csio->ccb_h.status = CAM_BUSY;
- xpt_done((union ccb *) csio);
- return;
- }
-
- s = splcam();
-
- csio->ccb_h.status |= CAM_SIM_QUEUED;
- sc->sc_pending = csio;
-
- target = csio->ccb_h.target_id;
-
- /*
- * Copy the command into SimOS' buffer
- */
- p = (u_int8_t*) cmd;
- count = cmdlen;
- for (i = 0; i < count; i++)
- sc->sc_regs->cmd[i] = *p++;
- sc->sc_regs->length = count;
- sc->sc_regs->target = target;
- sc->sc_regs->lun = csio->ccb_h.target_lun;
-
- /*
- * Setup the segment descriptors.
- */
- va = (vm_offset_t) data;
- size = datalen;
- i = 0;
- while (size > 0) {
- vm_size_t len = PAGE_SIZE - (va & PAGE_MASK);
- if (len > size)
- len = size;
- sc->sc_regs->sgMap[i].pAddr = vtophys(va);
- sc->sc_regs->sgMap[i].len = len;
- size -= len;
- va += len;
- i++;
- }
- sc->sc_regs->sgLen = i;
-
- /*
- * Start the i/o.
- */
- alpha_wmb();
- sc->sc_regs->startIO = 1;
- alpha_wmb();
-
- splx(s);
-}
-
-static void
-simos_done(struct simos_softc* sc)
-{
- struct ccb_scsiio* csio = sc->sc_pending;
- int s, done;
-
- /*
- * Spurious interrupt caused by my bogus interrupt broadcasting.
- */
- if (!csio)
- return;
-
- sc->sc_pending = 0;
-
- done = sc->sc_regs->done[csio->ccb_h.target_id];
- if (!done)
- return;
-
- s = splcam();
-
- if (done >> 16)
- /* Error detected */
- csio->ccb_h.status = CAM_CMD_TIMEOUT;
- else
- csio->ccb_h.status = CAM_REQ_CMP;
-
- /*
- * Ack the interrupt to clear it.
- */
- sc->sc_regs->done[csio->ccb_h.target_id] = 1;
- alpha_wmb();
-
- xpt_done((union ccb *) csio);
-
- splx(s);
-}
-
-static void
-simos_action(struct cam_sim *sim, union ccb *ccb)
-{
- struct simos_softc* sc = (struct simos_softc *)sim->softc;
-
- switch (ccb->ccb_h.func_code) {
- case XPT_SCSI_IO:
- {
- struct ccb_scsiio *csio;
-
- csio = &ccb->csio;
- simos_start(sc, csio);
- break;
- }
-
- case XPT_CALC_GEOMETRY:
- {
- struct ccb_calc_geometry *ccg;
- u_int32_t size_mb;
- u_int32_t secs_per_cylinder;
-
- ccg = &ccb->ccg;
- size_mb = ccg->volume_size
- / ((1024L * 1024L) / ccg->block_size);
-
- ccg->heads = 64;
- ccg->secs_per_track = 32;
-
- secs_per_cylinder = ccg->heads * ccg->secs_per_track;
- ccg->cylinders = ccg->volume_size / secs_per_cylinder;
-
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
-
- case XPT_RESET_BUS:
- {
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
-
- case XPT_PATH_INQ:
- {
- struct ccb_pathinq *cpi = &ccb->cpi;
-
- cpi->version_num = 1; /* XXX??? */
- cpi->max_target = 2;
- cpi->max_lun = 0;
- cpi->initiator_id = 7;
- cpi->bus_id = sim->bus_id;
- cpi->base_transfer_speed = 3300;
- strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
- strncpy(cpi->hba_vid, "SimOS", HBA_IDLEN);
- strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
- cpi->unit_number = sim->unit_number;
-
- cpi->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
-
- default:
- ccb->ccb_h.status = CAM_REQ_INVALID;
- xpt_done(ccb);
- break;
- }
-}
-
-static void
-simos_poll(struct cam_sim *sim)
-{
- simos_done(cam_sim_softc(sim));
-}
-
-void
-simos_intr(int unit)
-{
- /* XXX bogus */
- struct simos_softc* sc = simosp[unit];
-
- simos_done(sc);
-}
-
-
-#endif /* !COMPILING_LINT */
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