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-rw-r--r--sys/dev/nand/nand_geom.c467
1 files changed, 0 insertions, 467 deletions
diff --git a/sys/dev/nand/nand_geom.c b/sys/dev/nand/nand_geom.c
deleted file mode 100644
index b814ffc4e0a9..000000000000
--- a/sys/dev/nand/nand_geom.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (C) 2009-2012 Semihalf
- * 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.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/conf.h>
-#include <sys/bus.h>
-#include <sys/malloc.h>
-#include <sys/uio.h>
-#include <sys/bio.h>
-#include <geom/geom.h>
-#include <geom/geom_disk.h>
-
-#include <dev/nand/nand.h>
-#include <dev/nand/nandbus.h>
-#include <dev/nand/nand_dev.h>
-#include "nand_if.h"
-#include "nandbus_if.h"
-
-#define BIO_NAND_STD ((void *)1)
-#define BIO_NAND_RAW ((void *)2)
-
-static disk_ioctl_t nand_ioctl;
-static disk_getattr_t nand_getattr;
-static disk_strategy_t nand_strategy;
-static disk_strategy_t nand_strategy_raw;
-
-static int
-nand_read(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len)
-{
-
- nand_debug(NDBG_GEOM, "Read from chip %d [%p] at %d", chip->num, chip,
- offset);
-
- return (nand_read_pages(chip, offset, buf, len));
-}
-
-static int
-nand_write(struct nand_chip *chip, uint32_t offset, void* buf, uint32_t len)
-{
-
- nand_debug(NDBG_GEOM, "Write to chip %d [%p] at %d", chip->num, chip,
- offset);
-
- return (nand_prog_pages(chip, offset, buf, len));
-}
-
-static int
-nand_read_raw(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len)
-{
- nand_debug(NDBG_GEOM, "Raw read from chip %d [%p] at %d", chip->num,
- chip, offset);
-
- return (nand_read_pages_raw(chip, offset, buf, len));
-}
-
-static int
-nand_write_raw(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len)
-{
-
- nand_debug(NDBG_GEOM, "Raw write to chip %d [%p] at %d", chip->num,
- chip, offset);
-
- return (nand_prog_pages_raw(chip, offset, buf, len));
-}
-
-static void
-nand_strategy(struct bio *bp)
-{
- struct nand_chip *chip;
-
- chip = (struct nand_chip *)bp->bio_disk->d_drv1;
-
- bp->bio_driver1 = BIO_NAND_STD;
-
- nand_debug(NDBG_GEOM, "Strategy %s on chip %d [%p]",
- bp->bio_cmd == BIO_READ ? "READ" :
- (bp->bio_cmd == BIO_WRITE ? "WRITE" :
- (bp->bio_cmd == BIO_DELETE ? "DELETE" : "UNKNOWN")),
- chip->num, chip);
-
- mtx_lock(&chip->qlock);
- bioq_insert_tail(&chip->bioq, bp);
- mtx_unlock(&chip->qlock);
- taskqueue_enqueue(chip->tq, &chip->iotask);
-}
-
-static void
-nand_strategy_raw(struct bio *bp)
-{
- struct nand_chip *chip;
-
- chip = (struct nand_chip *)bp->bio_disk->d_drv1;
-
- /* Inform taskqueue that it's a raw access */
- bp->bio_driver1 = BIO_NAND_RAW;
-
- nand_debug(NDBG_GEOM, "Strategy %s on chip %d [%p]",
- bp->bio_cmd == BIO_READ ? "READ" :
- (bp->bio_cmd == BIO_WRITE ? "WRITE" :
- (bp->bio_cmd == BIO_DELETE ? "DELETE" : "UNKNOWN")),
- chip->num, chip);
-
- mtx_lock(&chip->qlock);
- bioq_insert_tail(&chip->bioq, bp);
- mtx_unlock(&chip->qlock);
- taskqueue_enqueue(chip->tq, &chip->iotask);
-}
-
-static int
-nand_oob_access(struct nand_chip *chip, uint32_t page, uint32_t offset,
- uint32_t len, uint8_t *data, uint8_t write)
-{
- struct chip_geom *cg;
- int ret = 0;
-
- cg = &chip->chip_geom;
-
- if (!write)
- ret = nand_read_oob(chip, page, data, cg->oob_size);
- else
- ret = nand_prog_oob(chip, page, data, cg->oob_size);
-
- return (ret);
-}
-
-static int
-nand_getattr(struct bio *bp)
-{
- struct nand_chip *chip;
- struct chip_geom *cg;
- device_t dev;
- int val;
-
- if (bp->bio_disk == NULL || bp->bio_disk->d_drv1 == NULL)
- return (ENXIO);
-
- chip = (struct nand_chip *)bp->bio_disk->d_drv1;
- cg = &(chip->chip_geom);
-
- dev = device_get_parent(chip->dev);
- dev = device_get_parent(dev);
-
- if (strcmp(bp->bio_attribute, "NAND::device") == 0) {
- if (bp->bio_length != sizeof(dev))
- return (EFAULT);
- bcopy(&dev, bp->bio_data, sizeof(dev));
- } else {
- if (strcmp(bp->bio_attribute, "NAND::oobsize") == 0)
- val = cg->oob_size;
- else if (strcmp(bp->bio_attribute, "NAND::pagesize") == 0)
- val = cg->page_size;
- else if (strcmp(bp->bio_attribute, "NAND::blocksize") == 0)
- val = cg->block_size;
- else
- return (-1);
- if (bp->bio_length != sizeof(val))
- return (EFAULT);
- bcopy(&val, bp->bio_data, sizeof(val));
- }
- bp->bio_completed = bp->bio_length;
- return (0);
-}
-
-static int
-nand_ioctl(struct disk *ndisk, u_long cmd, void *data, int fflag,
- struct thread *td)
-{
- struct nand_chip *chip;
- struct chip_geom *cg;
- struct nand_oob_rw *oob_rw = NULL;
- struct nand_raw_rw *raw_rw = NULL;
- device_t nandbus;
- size_t bufsize = 0, len = 0;
- size_t raw_size;
- off_t off;
- uint8_t *buf = NULL;
- int ret = 0;
- uint8_t status;
-
- chip = (struct nand_chip *)ndisk->d_drv1;
- cg = &chip->chip_geom;
- nandbus = device_get_parent(chip->dev);
-
- if ((cmd == NAND_IO_RAW_READ) || (cmd == NAND_IO_RAW_PROG)) {
- raw_rw = (struct nand_raw_rw *)data;
- raw_size = cg->pgs_per_blk * (cg->page_size + cg->oob_size);
-
- /* Check if len is not bigger than chip size */
- if (raw_rw->len > raw_size)
- return (EFBIG);
-
- /*
- * Do not ask for too much memory, in case of large transfers
- * read/write in 16-pages chunks
- */
- bufsize = 16 * (cg->page_size + cg->oob_size);
- if (raw_rw->len < bufsize)
- bufsize = raw_rw->len;
-
- buf = malloc(bufsize, M_NAND, M_WAITOK);
- len = raw_rw->len;
- off = 0;
- }
-
- switch (cmd) {
- case NAND_IO_ERASE:
- ret = nand_erase_blocks(chip, ((off_t *)data)[0],
- ((off_t *)data)[1]);
- break;
-
- case NAND_IO_OOB_READ:
- oob_rw = (struct nand_oob_rw *)data;
- ret = nand_oob_access(chip, oob_rw->page, 0,
- oob_rw->len, oob_rw->data, 0);
- break;
-
- case NAND_IO_OOB_PROG:
- oob_rw = (struct nand_oob_rw *)data;
- ret = nand_oob_access(chip, oob_rw->page, 0,
- oob_rw->len, oob_rw->data, 1);
- break;
-
- case NAND_IO_GET_STATUS:
- NANDBUS_LOCK(nandbus);
- ret = NANDBUS_GET_STATUS(nandbus, &status);
- if (ret == 0)
- *(uint8_t *)data = status;
- NANDBUS_UNLOCK(nandbus);
- break;
-
- case NAND_IO_RAW_PROG:
- while (len > 0) {
- if (len < bufsize)
- bufsize = len;
-
- ret = copyin(raw_rw->data + off, buf, bufsize);
- if (ret)
- break;
- ret = nand_prog_pages_raw(chip, raw_rw->off + off, buf,
- bufsize);
- if (ret)
- break;
- len -= bufsize;
- off += bufsize;
- }
- break;
-
- case NAND_IO_RAW_READ:
- while (len > 0) {
- if (len < bufsize)
- bufsize = len;
-
- ret = nand_read_pages_raw(chip, raw_rw->off + off, buf,
- bufsize);
- if (ret)
- break;
-
- ret = copyout(buf, raw_rw->data + off, bufsize);
- if (ret)
- break;
- len -= bufsize;
- off += bufsize;
- }
- break;
-
- case NAND_IO_GET_CHIP_PARAM:
- nand_get_chip_param(chip, (struct chip_param_io *)data);
- break;
-
- default:
- printf("Unknown nand_ioctl request \n");
- ret = EIO;
- }
-
- if (buf)
- free(buf, M_NAND);
-
- return (ret);
-}
-
-static void
-nand_io_proc(void *arg, int pending)
-{
- struct nand_chip *chip = arg;
- struct bio *bp;
- int err = 0;
-
- for (;;) {
- mtx_lock(&chip->qlock);
- bp = bioq_takefirst(&chip->bioq);
- mtx_unlock(&chip->qlock);
- if (bp == NULL)
- break;
-
- if (bp->bio_driver1 == BIO_NAND_STD) {
- if (bp->bio_cmd == BIO_READ) {
- err = nand_read(chip,
- bp->bio_offset & 0xffffffff,
- bp->bio_data, bp->bio_bcount);
- } else if (bp->bio_cmd == BIO_WRITE) {
- err = nand_write(chip,
- bp->bio_offset & 0xffffffff,
- bp->bio_data, bp->bio_bcount);
- }
- } else if (bp->bio_driver1 == BIO_NAND_RAW) {
- if (bp->bio_cmd == BIO_READ) {
- err = nand_read_raw(chip,
- bp->bio_offset & 0xffffffff,
- bp->bio_data, bp->bio_bcount);
- } else if (bp->bio_cmd == BIO_WRITE) {
- err = nand_write_raw(chip,
- bp->bio_offset & 0xffffffff,
- bp->bio_data, bp->bio_bcount);
- }
- } else
- panic("Unknown access type in bio->bio_driver1\n");
-
- if (bp->bio_cmd == BIO_DELETE) {
- nand_debug(NDBG_GEOM, "Delete on chip%d offset %lld "
- "length %ld\n", chip->num, bp->bio_offset,
- bp->bio_bcount);
- err = nand_erase_blocks(chip,
- bp->bio_offset & 0xffffffff,
- bp->bio_bcount);
- }
-
- if (err == 0 || err == ECC_CORRECTABLE)
- bp->bio_resid = 0;
- else {
- nand_debug(NDBG_GEOM,"nand_[read|write|erase_blocks] "
- "error: %d\n", err);
-
- bp->bio_error = EIO;
- bp->bio_flags |= BIO_ERROR;
- bp->bio_resid = bp->bio_bcount;
- }
- biodone(bp);
- }
-}
-
-int
-create_geom_disk(struct nand_chip *chip)
-{
- struct disk *ndisk, *rdisk;
-
- /* Create the disk device */
- ndisk = disk_alloc();
- ndisk->d_strategy = nand_strategy;
- ndisk->d_ioctl = nand_ioctl;
- ndisk->d_getattr = nand_getattr;
- ndisk->d_name = "gnand";
- ndisk->d_drv1 = chip;
- ndisk->d_maxsize = chip->chip_geom.block_size;
- ndisk->d_sectorsize = chip->chip_geom.page_size;
- ndisk->d_mediasize = chip->chip_geom.chip_size;
- ndisk->d_unit = chip->num +
- 10 * device_get_unit(device_get_parent(chip->dev));
-
- /*
- * When using BBT, make two last blocks of device unavailable
- * to user (because those are used to store BBT table).
- */
- if (chip->bbt != NULL)
- ndisk->d_mediasize -= (2 * chip->chip_geom.block_size);
-
- ndisk->d_flags = DISKFLAG_CANDELETE;
-
- snprintf(ndisk->d_ident, sizeof(ndisk->d_ident),
- "nand: Man:0x%02x Dev:0x%02x", chip->id.man_id, chip->id.dev_id);
- ndisk->d_rotation_rate = DISK_RR_NON_ROTATING;
-
- disk_create(ndisk, DISK_VERSION);
-
- /* Create the RAW disk device */
- rdisk = disk_alloc();
- rdisk->d_strategy = nand_strategy_raw;
- rdisk->d_ioctl = nand_ioctl;
- rdisk->d_getattr = nand_getattr;
- rdisk->d_name = "gnand.raw";
- rdisk->d_drv1 = chip;
- rdisk->d_maxsize = chip->chip_geom.block_size;
- rdisk->d_sectorsize = chip->chip_geom.page_size;
- rdisk->d_mediasize = chip->chip_geom.chip_size;
- rdisk->d_unit = chip->num +
- 10 * device_get_unit(device_get_parent(chip->dev));
-
- rdisk->d_flags = DISKFLAG_CANDELETE;
-
- snprintf(rdisk->d_ident, sizeof(rdisk->d_ident),
- "nand_raw: Man:0x%02x Dev:0x%02x", chip->id.man_id,
- chip->id.dev_id);
- rdisk->d_rotation_rate = DISK_RR_NON_ROTATING;
-
- disk_create(rdisk, DISK_VERSION);
-
- chip->ndisk = ndisk;
- chip->rdisk = rdisk;
-
- mtx_init(&chip->qlock, "NAND I/O lock", NULL, MTX_DEF);
- bioq_init(&chip->bioq);
-
- TASK_INIT(&chip->iotask, 0, nand_io_proc, chip);
- chip->tq = taskqueue_create("nand_taskq", M_WAITOK,
- taskqueue_thread_enqueue, &chip->tq);
- taskqueue_start_threads(&chip->tq, 1, PI_DISK, "nand taskq");
-
- if (bootverbose)
- device_printf(chip->dev, "Created gnand%d for chip [0x%0x, "
- "0x%0x]\n", ndisk->d_unit, chip->id.man_id,
- chip->id.dev_id);
-
- return (0);
-}
-
-void
-destroy_geom_disk(struct nand_chip *chip)
-{
- struct bio *bp;
-
- taskqueue_free(chip->tq);
- disk_destroy(chip->ndisk);
- disk_destroy(chip->rdisk);
-
- mtx_lock(&chip->qlock);
- for (;;) {
- bp = bioq_takefirst(&chip->bioq);
- if (bp == NULL)
- break;
- bp->bio_error = EIO;
- bp->bio_flags |= BIO_ERROR;
- bp->bio_resid = bp->bio_bcount;
-
- biodone(bp);
- }
- mtx_unlock(&chip->qlock);
-
- mtx_destroy(&chip->qlock);
-}