diff options
Diffstat (limited to 'block/vpc.c')
| -rw-r--r-- | block/vpc.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/block/vpc.c b/block/vpc.c index 211ae5c..662a6f6 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -477,8 +477,7 @@ static int calculate_geometry(int64_t total_sectors, uint16_t* cyls, return 0; } -static int vpc_create(const char *filename, int64_t total_sectors, - const char *backing_file, int flags) +static int vpc_create(const char *filename, QEMUOptionParameter *options) { uint8_t buf[1024]; struct vhd_footer* footer = (struct vhd_footer*) buf; @@ -489,10 +488,17 @@ static int vpc_create(const char *filename, int64_t total_sectors, uint8_t heads; uint8_t secs_per_cyl; size_t block_size, num_bat_entries; + int64_t total_sectors = 0; - if (backing_file != NULL) - return -ENOTSUP; + // Read out options + while (options && options->name) { + if (!strcmp(options->name, "size")) { + total_sectors = options->value.n / 512; + } + options++; + } + // Create the file fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644); if (fd < 0) return -EIO; @@ -587,6 +593,11 @@ static void vpc_close(BlockDriverState *bs) bdrv_delete(s->hd); } +static QEMUOptionParameter vpc_create_options[] = { + { "size", OPT_SIZE }, + { NULL } +}; + static BlockDriver bdrv_vpc = { .format_name = "vpc", .instance_size = sizeof(BDRVVPCState), @@ -596,6 +607,8 @@ static BlockDriver bdrv_vpc = { .bdrv_write = vpc_write, .bdrv_close = vpc_close, .bdrv_create = vpc_create, + + .create_options = vpc_create_options, }; static void bdrv_vpc_init(void) |
