Move block drivers into their own directory

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 0 insertions, 171 deletions

diff --git a/block-cloop.c b/block-cloop.c
deleted file mode 100644
index 06c687e690..0000000000
--- a/block-cloop.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * QEMU Block driver for CLOOP images
- *
- * Copyright (c) 2004 Johannes E. Schindelin
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu-common.h"
-#include "block_int.h"
-#include "module.h"
-#include <zlib.h>
-
-typedef struct BDRVCloopState {
-    int fd;
-    uint32_t block_size;
-    uint32_t n_blocks;
-    uint64_t* offsets;
-    uint32_t sectors_per_block;
-    uint32_t current_block;
-    uint8_t *compressed_block;
-    uint8_t *uncompressed_block;
-    z_stream zstream;
-} BDRVCloopState;
-
-static int cloop_probe(const uint8_t *buf, int buf_size, const char *filename)
-{
-    const char* magic_version_2_0="#!/bin/sh\n"
-	"#V2.0 Format\n"
-	"modprobe cloop file=$0 && mount -r -t iso9660 /dev/cloop $1\n";
-    int length=strlen(magic_version_2_0);
-    if(length>buf_size)
-	length=buf_size;
-    if(!memcmp(magic_version_2_0,buf,length))
-	return 2;
-    return 0;
-}
-
-static int cloop_open(BlockDriverState *bs, const char *filename, int flags)
-{
-    BDRVCloopState *s = bs->opaque;
-    uint32_t offsets_size,max_compressed_block_size=1,i;
-
-    s->fd = open(filename, O_RDONLY | O_BINARY);
-    if (s->fd < 0)
-        return -errno;
-    bs->read_only = 1;
-
-    /* read header */
-    if(lseek(s->fd,128,SEEK_SET)<0) {
-cloop_close:
-	close(s->fd);
-	return -1;
-    }
-    if(read(s->fd,&s->block_size,4)<4)
-	goto cloop_close;
-    s->block_size=be32_to_cpu(s->block_size);
-    if(read(s->fd,&s->n_blocks,4)<4)
-	goto cloop_close;
-    s->n_blocks=be32_to_cpu(s->n_blocks);
-
-    /* read offsets */
-    offsets_size=s->n_blocks*sizeof(uint64_t);
-    s->offsets=(uint64_t*)qemu_malloc(offsets_size);
-    if(read(s->fd,s->offsets,offsets_size)<offsets_size)
-	goto cloop_close;
-    for(i=0;i<s->n_blocks;i++) {
-	s->offsets[i]=be64_to_cpu(s->offsets[i]);
-	if(i>0) {
-	    uint32_t size=s->offsets[i]-s->offsets[i-1];
-	    if(size>max_compressed_block_size)
-		max_compressed_block_size=size;
-	}
-    }
-
-    /* initialize zlib engine */
-    s->compressed_block = qemu_malloc(max_compressed_block_size+1);
-    s->uncompressed_block = qemu_malloc(s->block_size);
-    if(inflateInit(&s->zstream) != Z_OK)
-	goto cloop_close;
-    s->current_block=s->n_blocks;
-
-    s->sectors_per_block = s->block_size/512;
-    bs->total_sectors = s->n_blocks*s->sectors_per_block;
-    return 0;
-}
-
-static inline int cloop_read_block(BDRVCloopState *s,int block_num)
-{
-    if(s->current_block != block_num) {
-	int ret;
-        uint32_t bytes = s->offsets[block_num+1]-s->offsets[block_num];
-
-	lseek(s->fd, s->offsets[block_num], SEEK_SET);
-        ret = read(s->fd, s->compressed_block, bytes);
-        if (ret != bytes)
-            return -1;
-
-	s->zstream.next_in = s->compressed_block;
-	s->zstream.avail_in = bytes;
-	s->zstream.next_out = s->uncompressed_block;
-	s->zstream.avail_out = s->block_size;
-	ret = inflateReset(&s->zstream);
-	if(ret != Z_OK)
-	    return -1;
-	ret = inflate(&s->zstream, Z_FINISH);
-	if(ret != Z_STREAM_END || s->zstream.total_out != s->block_size)
-	    return -1;
-
-	s->current_block = block_num;
-    }
-    return 0;
-}
-
-static int cloop_read(BlockDriverState *bs, int64_t sector_num,
-                    uint8_t *buf, int nb_sectors)
-{
-    BDRVCloopState *s = bs->opaque;
-    int i;
-
-    for(i=0;i<nb_sectors;i++) {
-	uint32_t sector_offset_in_block=((sector_num+i)%s->sectors_per_block),
-	    block_num=(sector_num+i)/s->sectors_per_block;
-	if(cloop_read_block(s, block_num) != 0)
-	    return -1;
-	memcpy(buf+i*512,s->uncompressed_block+sector_offset_in_block*512,512);
-    }
-    return 0;
-}
-
-static void cloop_close(BlockDriverState *bs)
-{
-    BDRVCloopState *s = bs->opaque;
-    close(s->fd);
-    if(s->n_blocks>0)
-	free(s->offsets);
-    free(s->compressed_block);
-    free(s->uncompressed_block);
-    inflateEnd(&s->zstream);
-}
-
-static BlockDriver bdrv_cloop = {
-    .format_name	= "cloop",
-    .instance_size	= sizeof(BDRVCloopState),
-    .bdrv_probe		= cloop_probe,
-    .bdrv_open		= cloop_open,
-    .bdrv_read		= cloop_read,
-    .bdrv_close		= cloop_close,
-};
-
-static void bdrv_cloop_init(void)
-{
-    bdrv_register(&bdrv_cloop);
-}
-
-block_init(bdrv_cloop_init);