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Re: [Qemu-devel] [PATCH v2 10/17] block: add generic full disk encryptio
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH v2 10/17] block: add generic full disk encryption driver |
Date: |
Thu, 21 Jan 2016 17:12:08 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, 01/20 17:38, Daniel P. Berrange wrote:
> + /* XXX Should we treat size as being total physical size
> + * of the image (ie payload + encryption header), or just
> + * the logical size of the image (ie payload). If the latter
> + * then we need to extend 'size' to include the header
> + * size */
The latter. :)
> + qemu_opt_set_number(opts, BLOCK_OPT_SIZE, size, &error_abort);
> +#define BLOCK_CRYPTO_DRIVER(name, format) \
> + static int block_crypto_probe_ ## name(const uint8_t *buf, \
> + int buf_size, \
> + const char *filename) { \
> + return block_crypto_probe_generic(format, \
> + buf, buf_size, filename); \
> + } \
> + \
> + static int block_crypto_open_ ## name(BlockDriverState *bs, \
> + QDict *options, \
> + int flags, \
> + Error **errp) \
> + { \
> + return block_crypto_open_generic(format, \
> + &block_crypto_runtime_opts_ ##
> name, \
> + bs, options, flags, errp); \
> + } \
> + \
> + static int block_crypto_create_ ## name(const char *filename, \
> + QemuOpts *opts, \
> + Error **errp) \
> + { \
> + return block_crypto_create_generic(format, \
> + filename, opts, errp); \
> + } \
> + \
> + BlockDriver bdrv_crypto_ ## name = { \
> + .format_name = #name, \
> + .instance_size = sizeof(BlockCrypto), \
> + .bdrv_probe = block_crypto_probe_ ## name, \
> + .bdrv_open = block_crypto_open_ ## name, \
> + .bdrv_close = block_crypto_close, \
> + .bdrv_create = block_crypto_create_ ## name, \
> + .create_opts = &block_crypto_create_opts_ ## name, \
> + \
> + .bdrv_co_readv = block_crypto_co_readv, \
> + .bdrv_co_writev = block_crypto_co_writev, \
> + .bdrv_getlength = block_crypto_getlength, \
> + }
> +
> +BLOCK_CRYPTO_DRIVER(luks, Q_CRYPTO_BLOCK_FORMAT_LUKS);
Personally I really prefer a preprocessed version, for the ease of grep.
Fam
- [Qemu-devel] [PATCH v2 05/17] crypto: add support for anti-forensic split algorithm, (continued)
- [Qemu-devel] [PATCH v2 05/17] crypto: add support for anti-forensic split algorithm, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 06/17] crypto: add block encryption framework, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 07/17] crypto: implement the LUKS block encryption format, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 13/17] qcow: make encrypt_sectors encrypt in place, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 11/17] qcow2: make qcow2_encrypt_sectors encrypt in place, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 14/17] qcow: convert QCow to use QCryptoBlock for encryption, Daniel P. Berrange, 2016/01/20
- [Qemu-devel] [PATCH v2 10/17] block: add generic full disk encryption driver, Daniel P. Berrange, 2016/01/20
- Re: [Qemu-devel] [PATCH v2 10/17] block: add generic full disk encryption driver,
Fam Zheng <=
[Qemu-devel] [PATCH v2 15/17] block: rip out all traces of password prompting, Daniel P. Berrange, 2016/01/20
[Qemu-devel] [PATCH v2 16/17] block: remove all encryption handling APIs, Daniel P. Berrange, 2016/01/20
[Qemu-devel] [PATCH v2 17/17] block: remove support for legecy AES qcow/qcow2 encryption, Daniel P. Berrange, 2016/01/20
[Qemu-devel] [PATCH v2 12/17] qcow2: convert QCow2 to use QCryptoBlock for encryption, Daniel P. Berrange, 2016/01/20