8c7cd14adf
in the parameters needed for the different sims, but it's almost all identical.
1136 lines
36 KiB
C
1136 lines
36 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2013,2014 Ilya Bakulin <ilya@bakulin.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/time.h>
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#include <sys/conf.h>
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#include <sys/fcntl.h>
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#include <sys/interrupt.h>
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#include <sys/sbuf.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sysctl.h>
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#include <sys/condvar.h>
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_queue.h>
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#include <cam/cam_periph.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_xpt.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/cam_xpt_periph.h>
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#include <cam/cam_xpt_internal.h>
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#include <cam/cam_debug.h>
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#include <cam/mmc/mmc.h>
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#include <cam/mmc/mmc_bus.h>
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#include <machine/stdarg.h> /* for xpt_print below */
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#include <machine/_inttypes.h> /* for PRIu64 */
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#include "opt_cam.h"
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FEATURE(mmccam, "CAM-based MMC/SD/SDIO stack");
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static struct cam_ed * mmc_alloc_device(struct cam_eb *bus,
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struct cam_et *target, lun_id_t lun_id);
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static void mmc_dev_async(u_int32_t async_code, struct cam_eb *bus,
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struct cam_et *target, struct cam_ed *device, void *async_arg);
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static void mmc_action(union ccb *start_ccb);
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static void mmc_dev_advinfo(union ccb *start_ccb);
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static void mmc_announce_periph(struct cam_periph *periph);
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static void mmc_scan_lun(struct cam_periph *periph,
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struct cam_path *path, cam_flags flags, union ccb *ccb);
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/* mmcprobe methods */
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static cam_status mmcprobe_register(struct cam_periph *periph, void *arg);
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static void mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb);
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static void mmcprobe_cleanup(struct cam_periph *periph);
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static void mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb);
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static void mmc_proto_announce(struct cam_ed *device);
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static void mmc_proto_denounce(struct cam_ed *device);
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static void mmc_proto_debug_out(union ccb *ccb);
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typedef enum {
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PROBE_RESET,
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PROBE_IDENTIFY,
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PROBE_SDIO_RESET,
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PROBE_SEND_IF_COND,
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PROBE_SDIO_INIT,
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PROBE_MMC_INIT,
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PROBE_SEND_APP_OP_COND,
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PROBE_GET_CID,
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PROBE_GET_CSD,
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PROBE_SEND_RELATIVE_ADDR,
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PROBE_MMC_SET_RELATIVE_ADDR,
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PROBE_SELECT_CARD,
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PROBE_DONE,
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PROBE_INVALID
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} probe_action;
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static char *probe_action_text[] = {
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"PROBE_RESET",
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"PROBE_IDENTIFY",
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"PROBE_SDIO_RESET",
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"PROBE_SEND_IF_COND",
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"PROBE_SDIO_INIT",
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"PROBE_MMC_INIT",
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"PROBE_SEND_APP_OP_COND",
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"PROBE_GET_CID",
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"PROBE_GET_CSD",
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"PROBE_SEND_RELATIVE_ADDR",
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"PROBE_MMC_SET_RELATIVE_ADDR",
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"PROBE_SELECT_CARD",
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"PROBE_DONE",
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"PROBE_INVALID"
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};
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#define PROBE_SET_ACTION(softc, newaction) \
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do { \
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char **text; \
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text = probe_action_text; \
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CAM_DEBUG((softc)->periph->path, CAM_DEBUG_PROBE, \
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("Probe %s to %s\n", text[(softc)->action], \
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text[(newaction)])); \
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(softc)->action = (newaction); \
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} while(0)
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static struct xpt_xport_ops mmc_xport_ops = {
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.alloc_device = mmc_alloc_device,
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.action = mmc_action,
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.async = mmc_dev_async,
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.announce = mmc_announce_periph,
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};
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#define MMC_XPT_XPORT(x, X) \
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static struct xpt_xport mmc_xport_ ## x = { \
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.xport = XPORT_ ## X, \
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.name = #x, \
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.ops = &mmc_xport_ops, \
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}; \
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CAM_XPT_XPORT(mmc_xport_ ## x);
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MMC_XPT_XPORT(mmc, MMCSD);
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static struct xpt_proto_ops mmc_proto_ops = {
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.announce = mmc_proto_announce,
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.denounce = mmc_proto_denounce,
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.debug_out = mmc_proto_debug_out,
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};
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static struct xpt_proto mmc_proto = {
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.proto = PROTO_MMCSD,
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.name = "mmcsd",
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.ops = &mmc_proto_ops,
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};
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CAM_XPT_PROTO(mmc_proto);
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typedef struct {
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probe_action action;
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int restart;
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union ccb saved_ccb;
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uint32_t flags;
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#define PROBE_FLAG_ACMD_SENT 0x1 /* CMD55 is sent, card expects ACMD */
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uint8_t acmd41_count; /* how many times ACMD41 has been issued */
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struct cam_periph *periph;
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} mmcprobe_softc;
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/* XPort functions -- an interface to CAM at periph side */
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static struct cam_ed *
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mmc_alloc_device(struct cam_eb *bus, struct cam_et *target, lun_id_t lun_id)
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{
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struct cam_ed *device;
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printf("mmc_alloc_device()\n");
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device = xpt_alloc_device(bus, target, lun_id);
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if (device == NULL)
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return (NULL);
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device->quirk = NULL;
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device->mintags = 0;
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device->maxtags = 0;
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bzero(&device->inq_data, sizeof(device->inq_data));
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device->inq_flags = 0;
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device->queue_flags = 0;
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device->serial_num = NULL;
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device->serial_num_len = 0;
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return (device);
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}
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static void
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mmc_dev_async(u_int32_t async_code, struct cam_eb *bus, struct cam_et *target,
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struct cam_ed *device, void *async_arg)
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{
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printf("mmc_dev_async(async_code=0x%x, path_id=%d, target_id=%x, lun_id=%" SCNx64 "\n",
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async_code,
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bus->path_id,
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target->target_id,
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device->lun_id);
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/*
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* We only need to handle events for real devices.
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*/
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if (target->target_id == CAM_TARGET_WILDCARD
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|| device->lun_id == CAM_LUN_WILDCARD)
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return;
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if (async_code == AC_LOST_DEVICE) {
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if ((device->flags & CAM_DEV_UNCONFIGURED) == 0) {
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printf("AC_LOST_DEVICE -> set to unconfigured\n");
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device->flags |= CAM_DEV_UNCONFIGURED;
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xpt_release_device(device);
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} else {
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printf("AC_LOST_DEVICE on unconfigured device\n");
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}
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} else if (async_code == AC_FOUND_DEVICE) {
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printf("Got AC_FOUND_DEVICE -- whatever...\n");
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} else if (async_code == AC_PATH_REGISTERED) {
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printf("Got AC_PATH_REGISTERED -- whatever...\n");
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} else if (async_code == AC_PATH_DEREGISTERED ) {
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printf("Got AC_PATH_DEREGISTERED -- whatever...\n");
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} else if (async_code == AC_UNIT_ATTENTION) {
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printf("Got interrupt generated by the card and ignored it\n");
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} else
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panic("Unknown async code\n");
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}
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/* Taken from nvme_scan_lun, thanks to bsdimp@ */
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static void
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mmc_scan_lun(struct cam_periph *periph, struct cam_path *path,
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cam_flags flags, union ccb *request_ccb)
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{
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struct ccb_pathinq cpi;
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cam_status status;
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struct cam_periph *old_periph;
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int lock;
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CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmc_scan_lun\n"));
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xpt_path_inq(&cpi, path);
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if (cpi.ccb_h.status != CAM_REQ_CMP) {
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if (request_ccb != NULL) {
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request_ccb->ccb_h.status = cpi.ccb_h.status;
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xpt_done(request_ccb);
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}
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return;
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}
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if (xpt_path_lun_id(path) == CAM_LUN_WILDCARD) {
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CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmd_scan_lun ignoring bus\n"));
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request_ccb->ccb_h.status = CAM_REQ_CMP; /* XXX signal error ? */
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xpt_done(request_ccb);
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return;
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}
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lock = (xpt_path_owned(path) == 0);
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if (lock)
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xpt_path_lock(path);
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if ((old_periph = cam_periph_find(path, "mmcprobe")) != NULL) {
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if ((old_periph->flags & CAM_PERIPH_INVALID) == 0) {
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// mmcprobe_softc *softc;
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// softc = (mmcprobe_softc *)old_periph->softc;
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// Not sure if we need request ccb queue for mmc
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// TAILQ_INSERT_TAIL(&softc->request_ccbs,
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// &request_ccb->ccb_h, periph_links.tqe);
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// softc->restart = 1;
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CAM_DEBUG(path, CAM_DEBUG_INFO,
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("Got scan request, but mmcprobe already exists\n"));
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request_ccb->ccb_h.status = CAM_REQ_CMP_ERR;
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xpt_done(request_ccb);
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} else {
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request_ccb->ccb_h.status = CAM_REQ_CMP_ERR;
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xpt_done(request_ccb);
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}
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} else {
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xpt_print(path, " Set up the mmcprobe device...\n");
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status = cam_periph_alloc(mmcprobe_register, NULL,
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mmcprobe_cleanup,
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mmcprobe_start,
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"mmcprobe",
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CAM_PERIPH_BIO,
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path, NULL, 0,
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request_ccb);
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if (status != CAM_REQ_CMP) {
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xpt_print(path, "xpt_scan_lun: cam_alloc_periph "
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"returned an error, can't continue probe\n");
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}
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request_ccb->ccb_h.status = status;
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xpt_done(request_ccb);
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}
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if (lock)
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xpt_path_unlock(path);
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}
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static void
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mmc_action(union ccb *start_ccb)
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{
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CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE,
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("mmc_action! func_code=%x, action %s\n", start_ccb->ccb_h.func_code,
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xpt_action_name(start_ccb->ccb_h.func_code)));
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switch (start_ccb->ccb_h.func_code) {
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case XPT_SCAN_BUS:
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/* FALLTHROUGH */
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case XPT_SCAN_TGT:
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/* FALLTHROUGH */
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case XPT_SCAN_LUN:
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CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_INFO,
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("XPT_SCAN_{BUS,TGT,LUN}\n"));
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mmc_scan_lun(start_ccb->ccb_h.path->periph,
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start_ccb->ccb_h.path, start_ccb->crcn.flags,
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start_ccb);
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break;
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case XPT_DEV_ADVINFO:
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{
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mmc_dev_advinfo(start_ccb);
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break;
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}
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default:
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xpt_action_default(start_ccb);
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break;
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}
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}
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static void
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mmc_dev_advinfo(union ccb *start_ccb)
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{
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struct cam_ed *device;
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struct ccb_dev_advinfo *cdai;
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off_t amt;
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xpt_path_assert(start_ccb->ccb_h.path, MA_OWNED);
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start_ccb->ccb_h.status = CAM_REQ_INVALID;
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device = start_ccb->ccb_h.path->device;
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cdai = &start_ccb->cdai;
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CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_TRACE,
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("%s: request %x\n", __func__, cdai->buftype));
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/* We don't support writing any data */
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if (cdai->flags & CDAI_FLAG_STORE)
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panic("Attempt to store data?!");
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switch(cdai->buftype) {
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case CDAI_TYPE_SCSI_DEVID:
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cdai->provsiz = device->device_id_len;
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if (device->device_id_len == 0)
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break;
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amt = MIN(cdai->provsiz, cdai->bufsiz);
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memcpy(cdai->buf, device->device_id, amt);
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break;
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case CDAI_TYPE_SERIAL_NUM:
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cdai->provsiz = device->serial_num_len;
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if (device->serial_num_len == 0)
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break;
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amt = MIN(cdai->provsiz, cdai->bufsiz);
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memcpy(cdai->buf, device->serial_num, amt);
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break;
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case CDAI_TYPE_PHYS_PATH: /* pass(4) wants this */
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cdai->provsiz = 0;
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break;
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case CDAI_TYPE_MMC_PARAMS:
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cdai->provsiz = sizeof(struct mmc_params);
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amt = MIN(cdai->provsiz, cdai->bufsiz);
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memcpy(cdai->buf, &device->mmc_ident_data, amt);
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break;
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default:
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panic("Unknown buftype");
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return;
|
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}
|
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start_ccb->ccb_h.status = CAM_REQ_CMP;
|
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}
|
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|
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static void
|
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mmc_announce_periph(struct cam_periph *periph)
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{
|
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struct ccb_pathinq cpi;
|
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struct ccb_trans_settings cts;
|
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struct cam_path *path = periph->path;
|
|
|
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cam_periph_assert(periph, MA_OWNED);
|
|
|
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CAM_DEBUG(periph->path, CAM_DEBUG_INFO,
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("mmc_announce_periph: called\n"));
|
|
|
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xpt_setup_ccb(&cts.ccb_h, path, CAM_PRIORITY_NORMAL);
|
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cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
|
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cts.type = CTS_TYPE_CURRENT_SETTINGS;
|
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xpt_action((union ccb*)&cts);
|
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if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
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return;
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xpt_path_inq(&cpi, periph->path);
|
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printf("XPT info: CLK %04X, ...\n", cts.proto_specific.mmc.ios.clock);
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}
|
|
|
|
/* This func is called per attached device :-( */
|
|
void
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|
mmc_print_ident(struct mmc_params *ident_data)
|
|
{
|
|
printf("Relative addr: %08x\n", ident_data->card_rca);
|
|
printf("Card features: <");
|
|
if (ident_data->card_features & CARD_FEATURE_MMC)
|
|
printf("MMC ");
|
|
if (ident_data->card_features & CARD_FEATURE_MEMORY)
|
|
printf("Memory ");
|
|
if (ident_data->card_features & CARD_FEATURE_SDHC)
|
|
printf("High-Capacity ");
|
|
if (ident_data->card_features & CARD_FEATURE_SD20)
|
|
printf("SD2.0-Conditions ");
|
|
if (ident_data->card_features & CARD_FEATURE_SDIO)
|
|
printf("SDIO ");
|
|
printf(">\n");
|
|
|
|
if (ident_data->card_features & CARD_FEATURE_MEMORY)
|
|
printf("Card memory OCR: %08x\n", ident_data->card_ocr);
|
|
|
|
if (ident_data->card_features & CARD_FEATURE_SDIO) {
|
|
printf("Card IO OCR: %08x\n", ident_data->io_ocr);
|
|
printf("Number of funcitions: %u\n", ident_data->sdio_func_count);
|
|
}
|
|
}
|
|
|
|
static void
|
|
mmc_proto_announce(struct cam_ed *device)
|
|
{
|
|
mmc_print_ident(&device->mmc_ident_data);
|
|
}
|
|
|
|
static void
|
|
mmc_proto_denounce(struct cam_ed *device)
|
|
{
|
|
mmc_print_ident(&device->mmc_ident_data);
|
|
}
|
|
|
|
static void
|
|
mmc_proto_debug_out(union ccb *ccb)
|
|
{
|
|
if (ccb->ccb_h.func_code != XPT_MMC_IO)
|
|
return;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path,
|
|
CAM_DEBUG_CDB,("mmc_proto_debug_out\n"));
|
|
}
|
|
|
|
static periph_init_t probe_periph_init;
|
|
|
|
static struct periph_driver probe_driver =
|
|
{
|
|
probe_periph_init, "mmcprobe",
|
|
TAILQ_HEAD_INITIALIZER(probe_driver.units), /* generation */ 0,
|
|
CAM_PERIPH_DRV_EARLY
|
|
};
|
|
|
|
PERIPHDRIVER_DECLARE(mmcprobe, probe_driver);
|
|
|
|
#define CARD_ID_FREQUENCY 400000 /* Spec requires 400kHz max during ID phase. */
|
|
|
|
static void
|
|
probe_periph_init()
|
|
{
|
|
}
|
|
|
|
static cam_status
|
|
mmcprobe_register(struct cam_periph *periph, void *arg)
|
|
{
|
|
mmcprobe_softc *softc;
|
|
union ccb *request_ccb; /* CCB representing the probe request */
|
|
int status;
|
|
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("mmcprobe_register\n"));
|
|
|
|
request_ccb = (union ccb *)arg;
|
|
if (request_ccb == NULL) {
|
|
printf("mmcprobe_register: no probe CCB, "
|
|
"can't register device\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
softc = (mmcprobe_softc *)malloc(sizeof(*softc), M_CAMXPT, M_NOWAIT);
|
|
|
|
if (softc == NULL) {
|
|
printf("proberegister: Unable to probe new device. "
|
|
"Unable to allocate softc\n");
|
|
return(CAM_REQ_CMP_ERR);
|
|
}
|
|
|
|
softc->flags = 0;
|
|
softc->acmd41_count = 0;
|
|
periph->softc = softc;
|
|
softc->periph = periph;
|
|
softc->action = PROBE_INVALID;
|
|
softc->restart = 0;
|
|
status = cam_periph_acquire(periph);
|
|
|
|
memset(&periph->path->device->mmc_ident_data, 0, sizeof(struct mmc_params));
|
|
if (status != 0) {
|
|
printf("proberegister: cam_periph_acquire failed (status=%d)\n",
|
|
status);
|
|
return (CAM_REQ_CMP_ERR);
|
|
}
|
|
CAM_DEBUG(periph->path, CAM_DEBUG_PROBE, ("Probe started\n"));
|
|
|
|
if (periph->path->device->flags & CAM_DEV_UNCONFIGURED)
|
|
PROBE_SET_ACTION(softc, PROBE_RESET);
|
|
else
|
|
PROBE_SET_ACTION(softc, PROBE_IDENTIFY);
|
|
|
|
/* This will kick the ball */
|
|
xpt_schedule(periph, CAM_PRIORITY_XPT);
|
|
|
|
return(CAM_REQ_CMP);
|
|
}
|
|
|
|
static int
|
|
mmc_highest_voltage(uint32_t ocr)
|
|
{
|
|
int i;
|
|
|
|
for (i = MMC_OCR_MAX_VOLTAGE_SHIFT;
|
|
i >= MMC_OCR_MIN_VOLTAGE_SHIFT; i--)
|
|
if (ocr & (1 << i))
|
|
return (i);
|
|
return (-1);
|
|
}
|
|
|
|
static inline void
|
|
init_standard_ccb(union ccb *ccb, uint32_t cmd)
|
|
{
|
|
ccb->ccb_h.func_code = cmd;
|
|
ccb->ccb_h.flags = CAM_DIR_OUT;
|
|
ccb->ccb_h.retry_count = 0;
|
|
ccb->ccb_h.timeout = 15 * 1000;
|
|
ccb->ccb_h.cbfcnp = mmcprobe_done;
|
|
}
|
|
|
|
static void
|
|
mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb)
|
|
{
|
|
mmcprobe_softc *softc;
|
|
struct cam_path *path;
|
|
struct ccb_mmcio *mmcio;
|
|
struct mtx *p_mtx = cam_periph_mtx(periph);
|
|
struct ccb_trans_settings_mmc *cts;
|
|
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_start\n"));
|
|
softc = (mmcprobe_softc *)periph->softc;
|
|
path = start_ccb->ccb_h.path;
|
|
mmcio = &start_ccb->mmcio;
|
|
cts = &start_ccb->cts.proto_specific.mmc;
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
|
|
memset(&mmcio->cmd, 0, sizeof(struct mmc_command));
|
|
|
|
if (softc->restart) {
|
|
softc->restart = 0;
|
|
if (path->device->flags & CAM_DEV_UNCONFIGURED)
|
|
softc->action = PROBE_RESET;
|
|
else
|
|
softc->action = PROBE_IDENTIFY;
|
|
|
|
}
|
|
|
|
/* Here is the place where the identify fun begins */
|
|
switch (softc->action) {
|
|
case PROBE_RESET:
|
|
/* FALLTHROUGH */
|
|
case PROBE_IDENTIFY:
|
|
xpt_path_inq(&start_ccb->cpi, periph->path);
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_RESET\n"));
|
|
init_standard_ccb(start_ccb, XPT_GET_TRAN_SETTINGS);
|
|
xpt_action(start_ccb);
|
|
if (cts->ios.power_mode != power_off) {
|
|
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);
|
|
cts->ios.power_mode = power_off;
|
|
cts->ios_valid = MMC_PM;
|
|
xpt_action(start_ccb);
|
|
mtx_sleep(periph, p_mtx, 0, "mmcios", 100);
|
|
}
|
|
/* mmc_power_up */
|
|
/* Get the host OCR */
|
|
init_standard_ccb(start_ccb, XPT_GET_TRAN_SETTINGS);
|
|
xpt_action(start_ccb);
|
|
|
|
uint32_t hv = mmc_highest_voltage(cts->host_ocr);
|
|
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);
|
|
cts->ios.vdd = hv;
|
|
cts->ios.bus_mode = opendrain;
|
|
cts->ios.chip_select = cs_dontcare;
|
|
cts->ios.power_mode = power_up;
|
|
cts->ios.bus_width = bus_width_1;
|
|
cts->ios.clock = 0;
|
|
cts->ios_valid = MMC_VDD | MMC_PM | MMC_BM |
|
|
MMC_CS | MMC_BW | MMC_CLK;
|
|
xpt_action(start_ccb);
|
|
mtx_sleep(periph, p_mtx, 0, "mmcios", 100);
|
|
|
|
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);
|
|
cts->ios.power_mode = power_on;
|
|
cts->ios.clock = CARD_ID_FREQUENCY;
|
|
cts->ios.timing = bus_timing_normal;
|
|
cts->ios_valid = MMC_PM | MMC_CLK | MMC_BT;
|
|
xpt_action(start_ccb);
|
|
mtx_sleep(periph, p_mtx, 0, "mmcios", 100);
|
|
/* End for mmc_power_on */
|
|
|
|
/* Begin mmc_idle_cards() */
|
|
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);
|
|
cts->ios.chip_select = cs_high;
|
|
cts->ios_valid = MMC_CS;
|
|
xpt_action(start_ccb);
|
|
mtx_sleep(periph, p_mtx, 0, "mmcios", 1);
|
|
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Send first XPT_MMC_IO\n"));
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_GO_IDLE_STATE; /* CMD 0 */
|
|
mmcio->cmd.arg = 0;
|
|
mmcio->cmd.flags = MMC_RSP_NONE | MMC_CMD_BC;
|
|
mmcio->cmd.data = NULL;
|
|
mmcio->stop.opcode = 0;
|
|
|
|
/* XXX Reset I/O portion as well */
|
|
break;
|
|
case PROBE_SDIO_RESET:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Start with PROBE_SDIO_RESET\n"));
|
|
uint32_t mmc_arg = SD_IO_RW_ADR(SD_IO_CCCR_CTL)
|
|
| SD_IO_RW_DAT(CCCR_CTL_RES) | SD_IO_RW_WR | SD_IO_RW_RAW;
|
|
cam_fill_mmcio(&start_ccb->mmcio,
|
|
/*retries*/ 0,
|
|
/*cbfcnp*/ mmcprobe_done,
|
|
/*flags*/ CAM_DIR_NONE,
|
|
/*mmc_opcode*/ SD_IO_RW_DIRECT,
|
|
/*mmc_arg*/ mmc_arg,
|
|
/*mmc_flags*/ MMC_RSP_R5 | MMC_CMD_AC,
|
|
/*mmc_data*/ NULL,
|
|
/*timeout*/ 1000);
|
|
break;
|
|
case PROBE_SEND_IF_COND:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Start with PROBE_SEND_IF_COND\n"));
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = SD_SEND_IF_COND; /* CMD 8 */
|
|
mmcio->cmd.arg = (1 << 8) + 0xAA;
|
|
mmcio->cmd.flags = MMC_RSP_R7 | MMC_CMD_BCR;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
|
|
case PROBE_SDIO_INIT:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Start with PROBE_SDIO_INIT\n"));
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = IO_SEND_OP_COND; /* CMD 5 */
|
|
mmcio->cmd.arg = mmcp->io_ocr;
|
|
mmcio->cmd.flags = MMC_RSP_R4;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
|
|
case PROBE_MMC_INIT:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Start with PROBE_MMC_INIT\n"));
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_SEND_OP_COND; /* CMD 1 */
|
|
mmcio->cmd.arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */;
|
|
mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
|
|
case PROBE_SEND_APP_OP_COND:
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
if (softc->flags & PROBE_FLAG_ACMD_SENT) {
|
|
mmcio->cmd.opcode = ACMD_SD_SEND_OP_COND; /* CMD 41 */
|
|
/*
|
|
* We set CCS bit because we do support SDHC cards.
|
|
* XXX: Don't set CCS if no response to CMD8.
|
|
*/
|
|
uint32_t cmd_arg = MMC_OCR_CCS | mmcp->card_ocr; /* CCS + ocr */
|
|
if (softc->acmd41_count < 10 && mmcp->card_ocr != 0 )
|
|
cmd_arg |= MMC_OCR_S18R;
|
|
mmcio->cmd.arg = cmd_arg;
|
|
mmcio->cmd.flags = MMC_RSP_R3 | MMC_CMD_BCR;
|
|
softc->acmd41_count++;
|
|
} else {
|
|
mmcio->cmd.opcode = MMC_APP_CMD; /* CMD 55 */
|
|
mmcio->cmd.arg = 0; /* rca << 16 */
|
|
mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
|
|
}
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
|
|
case PROBE_GET_CID: /* XXX move to mmc_da */
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_ALL_SEND_CID;
|
|
mmcio->cmd.arg = 0;
|
|
mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
case PROBE_SEND_RELATIVE_ADDR:
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = SD_SEND_RELATIVE_ADDR;
|
|
mmcio->cmd.arg = 0;
|
|
mmcio->cmd.flags = MMC_RSP_R6 | MMC_CMD_BCR;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
case PROBE_MMC_SET_RELATIVE_ADDR:
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_SET_RELATIVE_ADDR;
|
|
mmcio->cmd.arg = MMC_PROPOSED_RCA << 16;
|
|
mmcio->cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
case PROBE_SELECT_CARD:
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_SELECT_CARD;
|
|
mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16;
|
|
mmcio->cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
case PROBE_GET_CSD: /* XXX move to mmc_da */
|
|
init_standard_ccb(start_ccb, XPT_MMC_IO);
|
|
mmcio->cmd.opcode = MMC_SEND_CSD;
|
|
mmcio->cmd.arg = (uint32_t)path->device->mmc_ident_data.card_rca << 16;
|
|
mmcio->cmd.flags = MMC_RSP_R2 | MMC_CMD_BCR;
|
|
mmcio->stop.opcode = 0;
|
|
break;
|
|
case PROBE_DONE:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_DONE\n"));
|
|
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);
|
|
cts->ios.bus_mode = pushpull;
|
|
cts->ios_valid = MMC_BM;
|
|
xpt_action(start_ccb);
|
|
return;
|
|
/* NOTREACHED */
|
|
break;
|
|
case PROBE_INVALID:
|
|
break;
|
|
default:
|
|
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("probestart: invalid action state 0x%x\n", softc->action));
|
|
panic("default: case in mmc_probe_start()");
|
|
}
|
|
|
|
start_ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
|
|
xpt_action(start_ccb);
|
|
}
|
|
|
|
static void mmcprobe_cleanup(struct cam_periph *periph)
|
|
{
|
|
free(periph->softc, M_CAMXPT);
|
|
}
|
|
|
|
static void
|
|
mmcprobe_done(struct cam_periph *periph, union ccb *done_ccb)
|
|
{
|
|
mmcprobe_softc *softc;
|
|
struct cam_path *path;
|
|
|
|
int err;
|
|
struct ccb_mmcio *mmcio;
|
|
u_int32_t priority;
|
|
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("mmcprobe_done\n"));
|
|
softc = (mmcprobe_softc *)periph->softc;
|
|
path = done_ccb->ccb_h.path;
|
|
priority = done_ccb->ccb_h.pinfo.priority;
|
|
|
|
switch (softc->action) {
|
|
case PROBE_RESET:
|
|
/* FALLTHROUGH */
|
|
case PROBE_IDENTIFY:
|
|
{
|
|
printf("Starting completion of PROBE_RESET\n");
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("done with PROBE_RESET\n"));
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("GO_IDLE_STATE failed with error %d\n",
|
|
err));
|
|
|
|
/* There was a device there, but now it's gone... */
|
|
if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0) {
|
|
xpt_async(AC_LOST_DEVICE, path, NULL);
|
|
}
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
path->device->protocol = PROTO_MMCSD;
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_IF_COND);
|
|
break;
|
|
}
|
|
case PROBE_SEND_IF_COND:
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
|
|
if (err != MMC_ERR_NONE || mmcio->cmd.resp[0] != 0x1AA) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("IF_COND: error %d, pattern %08x\n",
|
|
err, mmcio->cmd.resp[0]));
|
|
} else {
|
|
mmcp->card_features |= CARD_FEATURE_SD20;
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SD 2.0 interface conditions: OK\n"));
|
|
|
|
}
|
|
PROBE_SET_ACTION(softc, PROBE_SDIO_RESET);
|
|
break;
|
|
}
|
|
case PROBE_SDIO_RESET:
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SDIO_RESET: error %d, CCCR CTL register: %08x\n",
|
|
err, mmcio->cmd.resp[0]));
|
|
PROBE_SET_ACTION(softc, PROBE_SDIO_INIT);
|
|
break;
|
|
}
|
|
case PROBE_SDIO_INIT:
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SDIO_INIT: error %d, %08x %08x %08x %08x\n",
|
|
err, mmcio->cmd.resp[0],
|
|
mmcio->cmd.resp[1],
|
|
mmcio->cmd.resp[2],
|
|
mmcio->cmd.resp[3]));
|
|
|
|
/*
|
|
* Error here means that this card is not SDIO,
|
|
* so proceed with memory init as if nothing has happened
|
|
*/
|
|
if (err != MMC_ERR_NONE) {
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND);
|
|
break;
|
|
}
|
|
mmcp->card_features |= CARD_FEATURE_SDIO;
|
|
uint32_t ioifcond = mmcio->cmd.resp[0];
|
|
uint32_t io_ocr = ioifcond & R4_IO_OCR_MASK;
|
|
|
|
mmcp->sdio_func_count = R4_IO_NUM_FUNCTIONS(ioifcond);
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SDIO card: %d functions\n", mmcp->sdio_func_count));
|
|
if (io_ocr == 0) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SDIO OCR invalid?!\n"));
|
|
break; /* Retry */
|
|
}
|
|
|
|
if (io_ocr != 0 && mmcp->io_ocr == 0) {
|
|
mmcp->io_ocr = io_ocr;
|
|
break; /* Retry, this time with non-0 OCR */
|
|
}
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("SDIO OCR: %08x\n", mmcp->io_ocr));
|
|
|
|
if (ioifcond & R4_IO_MEM_PRESENT) {
|
|
/* Combo card -- proceed to memory initialization */
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND);
|
|
} else {
|
|
/* No memory portion -- get RCA and select card */
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR);
|
|
}
|
|
break;
|
|
}
|
|
case PROBE_MMC_INIT:
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("MMC_INIT: error %d, resp %08x\n",
|
|
err, mmcio->cmd.resp[0]));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("MMC card, OCR %08x\n", mmcio->cmd.resp[0]));
|
|
|
|
if (mmcp->card_ocr == 0) {
|
|
/* We haven't sent the OCR to the card yet -- do it */
|
|
mmcp->card_ocr = mmcio->cmd.resp[0];
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("-> sending OCR to card\n"));
|
|
break;
|
|
}
|
|
|
|
if (!(mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY)) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card is still powering up\n"));
|
|
break;
|
|
}
|
|
|
|
mmcp->card_features |= CARD_FEATURE_MMC | CARD_FEATURE_MEMORY;
|
|
PROBE_SET_ACTION(softc, PROBE_GET_CID);
|
|
break;
|
|
}
|
|
case PROBE_SEND_APP_OP_COND:
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("APP_OP_COND: error %d, resp %08x\n",
|
|
err, mmcio->cmd.resp[0]));
|
|
PROBE_SET_ACTION(softc, PROBE_MMC_INIT);
|
|
break;
|
|
}
|
|
|
|
if (!(softc->flags & PROBE_FLAG_ACMD_SENT)) {
|
|
/* Don't change the state */
|
|
softc->flags |= PROBE_FLAG_ACMD_SENT;
|
|
break;
|
|
}
|
|
|
|
softc->flags &= ~PROBE_FLAG_ACMD_SENT;
|
|
if ((mmcio->cmd.resp[0] & MMC_OCR_CARD_BUSY) ||
|
|
(mmcio->cmd.arg & MMC_OCR_VOLTAGE) == 0) {
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card OCR: %08x\n", mmcio->cmd.resp[0]));
|
|
if (mmcp->card_ocr == 0) {
|
|
mmcp->card_ocr = mmcio->cmd.resp[0];
|
|
/* Now when we know OCR that we want -- send it to card */
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("-> sending OCR to card\n"));
|
|
} else {
|
|
/* We already know the OCR and despite of that we
|
|
* are processing the answer to ACMD41 -> move on
|
|
*/
|
|
PROBE_SET_ACTION(softc, PROBE_GET_CID);
|
|
}
|
|
/* Getting an answer to ACMD41 means the card has memory */
|
|
mmcp->card_features |= CARD_FEATURE_MEMORY;
|
|
|
|
/* Standard capacity vs High Capacity memory card */
|
|
if (mmcio->cmd.resp[0] & MMC_OCR_CCS) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card is SDHC\n"));
|
|
mmcp->card_features |= CARD_FEATURE_SDHC;
|
|
}
|
|
|
|
/* Whether the card supports 1.8V signaling */
|
|
if (mmcio->cmd.resp[0] & MMC_OCR_S18A) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card supports 1.8V signaling\n"));
|
|
mmcp->card_features |= CARD_FEATURE_18V;
|
|
}
|
|
} else {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card not ready: %08x\n", mmcio->cmd.resp[0]));
|
|
/* Send CMD55+ACMD41 once again */
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_APP_OP_COND);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case PROBE_GET_CID: /* XXX move to mmc_da */
|
|
{
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("PROBE_GET_CID: error %d\n", err));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
memcpy(mmcp->card_cid, mmcio->cmd.resp, 4 * sizeof(uint32_t));
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("CID %08x%08x%08x%08x\n",
|
|
mmcp->card_cid[0],
|
|
mmcp->card_cid[1],
|
|
mmcp->card_cid[2],
|
|
mmcp->card_cid[3]));
|
|
if (mmcp->card_features & CARD_FEATURE_MMC)
|
|
PROBE_SET_ACTION(softc, PROBE_MMC_SET_RELATIVE_ADDR);
|
|
else
|
|
PROBE_SET_ACTION(softc, PROBE_SEND_RELATIVE_ADDR);
|
|
break;
|
|
}
|
|
case PROBE_SEND_RELATIVE_ADDR: {
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
uint16_t rca = mmcio->cmd.resp[0] >> 16;
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("Card published RCA: %u\n", rca));
|
|
path->device->mmc_ident_data.card_rca = rca;
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("PROBE_SEND_RELATIVE_ADDR: error %d\n", err));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
|
|
/* If memory is present, get CSD, otherwise select card */
|
|
if (mmcp->card_features & CARD_FEATURE_MEMORY)
|
|
PROBE_SET_ACTION(softc, PROBE_GET_CSD);
|
|
else
|
|
PROBE_SET_ACTION(softc, PROBE_SELECT_CARD);
|
|
break;
|
|
}
|
|
case PROBE_MMC_SET_RELATIVE_ADDR:
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("PROBE_MMC_SET_RELATIVE_ADDR: error %d\n", err));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
path->device->mmc_ident_data.card_rca = MMC_PROPOSED_RCA;
|
|
PROBE_SET_ACTION(softc, PROBE_GET_CSD);
|
|
break;
|
|
case PROBE_GET_CSD: {
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("PROBE_GET_CSD: error %d\n", err));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
|
|
struct mmc_params *mmcp = &path->device->mmc_ident_data;
|
|
memcpy(mmcp->card_csd, mmcio->cmd.resp, 4 * sizeof(uint32_t));
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("CSD %08x%08x%08x%08x\n",
|
|
mmcp->card_csd[0],
|
|
mmcp->card_csd[1],
|
|
mmcp->card_csd[2],
|
|
mmcp->card_csd[3]));
|
|
PROBE_SET_ACTION(softc, PROBE_SELECT_CARD);
|
|
break;
|
|
}
|
|
case PROBE_SELECT_CARD: {
|
|
mmcio = &done_ccb->mmcio;
|
|
err = mmcio->cmd.error;
|
|
if (err != MMC_ERR_NONE) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("PROBE_SEND_RELATIVE_ADDR: error %d\n", err));
|
|
PROBE_SET_ACTION(softc, PROBE_INVALID);
|
|
break;
|
|
}
|
|
|
|
PROBE_SET_ACTION(softc, PROBE_DONE);
|
|
break;
|
|
}
|
|
default:
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("mmc_probedone: invalid action state 0x%x\n", softc->action));
|
|
panic("default: case in mmc_probe_done()");
|
|
}
|
|
|
|
if (softc->action == PROBE_INVALID &&
|
|
(path->device->flags & CAM_DEV_UNCONFIGURED) == 0) {
|
|
CAM_DEBUG(done_ccb->ccb_h.path, CAM_DEBUG_PROBE,
|
|
("mmc_probedone: Should send AC_LOST_DEVICE but won't for now\n"));
|
|
//xpt_async(AC_LOST_DEVICE, path, NULL);
|
|
}
|
|
|
|
if (softc->action != PROBE_INVALID)
|
|
xpt_schedule(periph, priority);
|
|
/* Drop freeze taken due to CAM_DEV_QFREEZE flag set. */
|
|
int frozen = cam_release_devq(path, 0, 0, 0, FALSE);
|
|
printf("mmc_probedone: remaining freezecnt %d\n", frozen);
|
|
|
|
if (softc->action == PROBE_DONE) {
|
|
/* Notify the system that the device is found! */
|
|
if (periph->path->device->flags & CAM_DEV_UNCONFIGURED) {
|
|
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
|
|
xpt_acquire_device(path->device);
|
|
done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
|
|
xpt_action(done_ccb);
|
|
xpt_async(AC_FOUND_DEVICE, path, done_ccb);
|
|
}
|
|
}
|
|
xpt_release_ccb(done_ccb);
|
|
if (softc->action == PROBE_DONE || softc->action == PROBE_INVALID) {
|
|
cam_periph_invalidate(periph);
|
|
cam_periph_release_locked(periph);
|
|
}
|
|
}
|
|
|
|
void
|
|
mmc_path_inq(struct ccb_pathinq *cpi, const char *hba,
|
|
const struct cam_sim *sim, size_t maxio)
|
|
{
|
|
|
|
cpi->version_num = 1;
|
|
cpi->hba_inquiry = 0;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_NOBUSRESET | PIM_SEQSCAN;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = 0;
|
|
cpi->max_lun = 0;
|
|
cpi->initiator_id = 1;
|
|
cpi->maxio = maxio;
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, hba, HBA_IDLEN);
|
|
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->protocol = PROTO_MMCSD;
|
|
cpi->protocol_version = SCSI_REV_0;
|
|
cpi->transport = XPORT_MMCSD;
|
|
cpi->transport_version = 1;
|
|
|
|
cpi->base_transfer_speed = 100; /* XXX WTF? */
|
|
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
}
|