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/*-
* Copyright (C) 2011 glevand (geoffrey.levand@mail.ru)
* 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 TOOLS GMBH 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.
*
* $FreeBSD$
*/
#include <stand.h>
#include "bootstrap.h"
#include "lv1call.h"
#include "ps3bus.h"
#include "ps3repo.h"
#include "ps3stor.h"
int ps3stor_setup(struct ps3_stordev *sd, int type)
{
unsigned int i;
int err;
sd->sd_type = type;
err = ps3repo_find_bus_by_type(PS3_BUS_TYPE_STOR, &sd->sd_busidx);
if (err)
goto out;
err = ps3repo_read_bus_id(sd->sd_busidx, &sd->sd_busid);
if (err)
goto out;
err = ps3repo_find_bus_dev_by_type(sd->sd_busidx, type, &sd->sd_devidx);
if (err)
goto out;
err = ps3repo_read_bus_dev_id(sd->sd_busidx, sd->sd_devidx,
&sd->sd_devid);
if (err)
goto out;
err = ps3repo_read_bus_dev_blk_size(sd->sd_busidx, sd->sd_devidx,
&sd->sd_blksize);
if (err)
goto out;
err = ps3repo_read_bus_dev_nblocks(sd->sd_busidx, sd->sd_devidx,
&sd->sd_nblocks);
if (err)
goto out;
err = ps3repo_read_bus_dev_nregs(sd->sd_busidx, sd->sd_devidx,
&sd->sd_nregs);
if (err)
goto out;
for (i = 0; i < sd->sd_nregs; i++) {
err = ps3repo_read_bus_dev_reg_id(sd->sd_busidx, sd->sd_devidx,
i, &sd->sd_regs[i].sr_id);
if (err)
goto out;
err = ps3repo_read_bus_dev_reg_start(sd->sd_busidx,
sd->sd_devidx, i, &sd->sd_regs[i].sr_start);
if (err)
goto out;
err = ps3repo_read_bus_dev_reg_size(sd->sd_busidx,
sd->sd_devidx, i, &sd->sd_regs[i].sr_size);
if (err)
goto out;
}
if (!sd->sd_nregs) {
err = ENODEV;
goto out;
}
err = lv1_open_device(sd->sd_busid, sd->sd_devid, 0);
if (err)
goto out;
err = lv1_setup_dma(sd->sd_busid, sd->sd_devid, &sd->sd_dmabase);
if (err)
goto close_dev;
return 0;
close_dev:
lv1_close_device(sd->sd_busid, sd->sd_devid);
out:
return err;
}
static char dma_buf[2048] __aligned(2048);
int ps3stor_read_sectors(struct ps3_stordev *sd, int regidx,
uint64_t start_sector, uint64_t sector_count, uint64_t flags, char *buf)
{
#define MIN(a, b) ((a) <= (b) ? (a) : (b))
#define BOUNCE_SECTORS (sizeof(dma_buf) / sd->sd_blksize)
#define ASYNC_STATUS_POLL_PERIOD 100 /* microseconds */
struct ps3_storreg *reg = &sd->sd_regs[regidx];
uint64_t nleft, nread, nsectors;
uint64_t tag, status;
unsigned int timeout;
int err = 0;
nleft = sector_count;
nread = 0;
while (nleft) {
nsectors = MIN(nleft, BOUNCE_SECTORS);
err = lv1_storage_read(sd->sd_devid, reg->sr_id,
start_sector + nread, nsectors, flags, (uint32_t)dma_buf,
&tag);
if (err)
return err;
timeout = 5000000; /* microseconds */
while (1) {
if (timeout < ASYNC_STATUS_POLL_PERIOD)
return ETIMEDOUT;
err = lv1_storage_check_async_status(sd->sd_devid, tag,
&status);
if (!err && !status)
break;
delay(ASYNC_STATUS_POLL_PERIOD);
timeout -= ASYNC_STATUS_POLL_PERIOD;
}
if (status != 0)
return EIO;
memcpy(buf + nread * sd->sd_blksize, (u_char *)dma_buf,
nsectors * sd->sd_blksize);
nread += nsectors;
nleft -= nsectors;
}
return err;
#undef MIN
#undef BOUNCE_SECTORS
#undef ASYNC_STATUS_POLL_PERIOD
}
void ps3stor_print(struct ps3_stordev *sd)
{
}
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