From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55060) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V96Ih-0007fJ-RF for qemu-devel@nongnu.org; Tue, 13 Aug 2013 00:33:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1V96IX-0000WQ-80 for qemu-devel@nongnu.org; Tue, 13 Aug 2013 00:33:43 -0400 Received: from mail-pd0-x22f.google.com ([2607:f8b0:400e:c02::22f]:36893) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1V96IX-0000Vy-20 for qemu-devel@nongnu.org; Tue, 13 Aug 2013 00:33:33 -0400 Received: by mail-pd0-f175.google.com with SMTP id q10so375153pdj.34 for ; Mon, 12 Aug 2013 21:33:32 -0700 (PDT) Sender: Dong Xu Wang From: Dong Xu Wang Date: Tue, 13 Aug 2013 12:31:55 +0800 Message-Id: <1376368326-7433-15-git-send-email-wdongxu@linux.vnet.ibm.com> In-Reply-To: <1376368326-7433-1-git-send-email-wdongxu@linux.vnet.ibm.com> References: <1376368326-7433-1-git-send-email-wdongxu@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH V18 14/25] block: add QemuOpts support for raw-win32.c List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, wdongxu@cn.ibm.com, stefanha@redhat.com, Dong Xu Wang Signed-off-by: Dong Xu Wang --- block/raw-win32.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/block/raw-win32.c b/block/raw-win32.c index 9b5b2af..78efc63 100644 --- a/block/raw-win32.c +++ b/block/raw-win32.c @@ -452,6 +452,40 @@ static QEMUOptionParameter raw_create_options[] = { { NULL } }; + +static int raw_create_new(const char *filename, QemuOpts *opts) +{ + int fd; + int64_t total_size = 0; + + /* Read out options */ + + total_size = + qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / 512; + + fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, + 0644); + if (fd < 0) + return -EIO; + set_sparse(fd); + ftruncate(fd, total_size * 512); + qemu_close(fd); + return 0; +} + +static QemuOptsList raw_create_opts = { + .name = "raw-create-opts", + .head = QTAILQ_HEAD_INITIALIZER(raw_create_opts.head), + .desc = { + { + .name = BLOCK_OPT_SIZE, + .type = QEMU_OPT_SIZE, + .help = "Virtual disk size" + }, + { /* end of list */ } + } +}; + static BlockDriver bdrv_file = { .format_name = "file", .protocol_name = "file", @@ -459,6 +493,7 @@ static BlockDriver bdrv_file = { .bdrv_file_open = raw_open, .bdrv_close = raw_close, .bdrv_create = raw_create, + .bdrv_create_new = raw_create_new, .bdrv_has_zero_init = bdrv_has_zero_init_1, .bdrv_aio_readv = raw_aio_readv, @@ -471,6 +506,7 @@ static BlockDriver bdrv_file = { = raw_get_allocated_file_size, .create_options = raw_create_options, + .bdrv_create_opts = &raw_create_opts, }; /***********************************************/ -- 1.7.11.7