auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 176 deletions

diff --git a/block-parallels.c b/block-parallels.c
deleted file mode 100644
index 4654b07..0000000
--- a/block-parallels.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Block driver for Parallels disk image format
- *
- * Copyright (c) 2007 Alex Beregszaszi
- *
- * This code is based on comparing different disk images created by Parallels.
- *
- * 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"
-
-/**************************************************************/
-
-#define HEADER_MAGIC "WithoutFreeSpace"
-#define HEADER_VERSION 2
-#define HEADER_SIZE 64
-
-// always little-endian
-struct parallels_header {
-    char magic[16]; // "WithoutFreeSpace"
-    uint32_t version;
-    uint32_t heads;
-    uint32_t cylinders;
-    uint32_t tracks;
-    uint32_t catalog_entries;
-    uint32_t nb_sectors;
-    char padding[24];
-} __attribute__((packed));
-
-typedef struct BDRVParallelsState {
-    int fd;
-
-    uint32_t *catalog_bitmap;
-    int catalog_size;
-
-    int tracks;
-} BDRVParallelsState;
-
-static int parallels_probe(const uint8_t *buf, int buf_size, const char *filename)
-{
-    const struct parallels_header *ph = (const void *)buf;
-
-    if (buf_size < HEADER_SIZE)
-	return 0;
-
-    if (!memcmp(ph->magic, HEADER_MAGIC, 16) &&
-	(le32_to_cpu(ph->version) == HEADER_VERSION))
-	return 100;
-
-    return 0;
-}
-
-static int parallels_open(BlockDriverState *bs, const char *filename, int flags)
-{
-    BDRVParallelsState *s = bs->opaque;
-    int fd, i;
-    struct parallels_header ph;
-
-    fd = open(filename, O_RDWR | O_BINARY | O_LARGEFILE);
-    if (fd < 0) {
-        fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE);
-        if (fd < 0)
-            return -1;
-    }
-
-    bs->read_only = 1; // no write support yet
-
-    s->fd = fd;
-
-    if (read(fd, &ph, sizeof(ph)) != sizeof(ph))
-        goto fail;
-
-    if (memcmp(ph.magic, HEADER_MAGIC, 16) ||
-	(le32_to_cpu(ph.version) != HEADER_VERSION)) {
-        goto fail;
-    }
-
-    bs->total_sectors = le32_to_cpu(ph.nb_sectors);
-
-    if (lseek(s->fd, 64, SEEK_SET) != 64)
-	goto fail;
-
-    s->tracks = le32_to_cpu(ph.tracks);
-
-    s->catalog_size = le32_to_cpu(ph.catalog_entries);
-    s->catalog_bitmap = qemu_malloc(s->catalog_size * 4);
-    if (!s->catalog_bitmap)
-	goto fail;
-    if (read(s->fd, s->catalog_bitmap, s->catalog_size * 4) !=
-	s->catalog_size * 4)
-	goto fail;
-    for (i = 0; i < s->catalog_size; i++)
-	le32_to_cpus(&s->catalog_bitmap[i]);
-
-    return 0;
-fail:
-    if (s->catalog_bitmap)
-	qemu_free(s->catalog_bitmap);
-    close(fd);
-    return -1;
-}
-
-static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
-{
-    BDRVParallelsState *s = bs->opaque;
-    uint32_t index, offset, position;
-
-    index = sector_num / s->tracks;
-    offset = sector_num % s->tracks;
-
-    // not allocated
-    if ((index > s->catalog_size) || (s->catalog_bitmap[index] == 0))
-	return -1;
-
-    position = (s->catalog_bitmap[index] + offset) * 512;
-
-//    fprintf(stderr, "sector: %llx index=%x offset=%x pointer=%x position=%x\n",
-//	sector_num, index, offset, s->catalog_bitmap[index], position);
-
-    if (lseek(s->fd, position, SEEK_SET) != position)
-	return -1;
-
-    return 0;
-}
-
-static int parallels_read(BlockDriverState *bs, int64_t sector_num,
-                    uint8_t *buf, int nb_sectors)
-{
-    BDRVParallelsState *s = bs->opaque;
-
-    while (nb_sectors > 0) {
-	if (!seek_to_sector(bs, sector_num)) {
-	    if (read(s->fd, buf, 512) != 512)
-		return -1;
-	} else
-            memset(buf, 0, 512);
-        nb_sectors--;
-        sector_num++;
-        buf += 512;
-    }
-    return 0;
-}
-
-static void parallels_close(BlockDriverState *bs)
-{
-    BDRVParallelsState *s = bs->opaque;
-    qemu_free(s->catalog_bitmap);
-    close(s->fd);
-}
-
-BlockDriver bdrv_parallels = {
-    "parallels",
-    sizeof(BDRVParallelsState),
-    parallels_probe,
-    parallels_open,
-    parallels_read,
-    NULL,
-    parallels_close,
-};