The virtio crypto device is a virtual cryptography device as well as a kind of virtual hardware accelerator for virtual machines. The encryption anddecryption requests are placed in the data queue and are ultimately handled by thebackend crypto accelerators. The second queue is the control queue used to create or destroy sessions for symmetric algorithms and will control some advanced features in the future. The virtio crypto device provides the following cryptoservices: CIPHER, MAC, HASH, and AEAD. For more information about virtio-crypto device, please see: http://qemu-project.org/Features/VirtioCrypto For better reviewing: Patch 1 introduces the little edian functions for VIRTIO_1 devices. Patch 2 mainly includes five files: 1) virtio_crypto.h is the header file for virtio-crypto device, which is based on the virtio-crypto specification. 2) virtio_crypto.c is the entry of the driver module, which is similar with other virtio devices, such as virtio-net, virtio-input etc. 3) virtio_crypto_mgr.c is used to manage the virtio crypto devices in the system. We support up to 32 virtio-crypto devices currently. I use a global list to store the virtio crypto devices which refer to Intel QAT driver. Meanwhile, the file includs the functions of add/del/search/start/stop for virtio crypto devices. 4) virtio_crypto_common.h is a private header file for virtio crypto driver, includes structure definations, and function declarations. 5) virtio_crypto_algs.c is the realization of algs based on Linux Crypto Framwork, which can register different crypto algorithms. Currently it's only support AES-CBC. The Crypto guys can mainly focus to this file. Actually I have no idea the virtio-crypto driver should be gone in whose tree, Michael's or Herbert's? Would you give me a feedback? Thanks a lot! v2: - stop doing DMA from the stack, CONFIG_VMAP_STACK=y [Salvatore] - convert __virtio32/64 to __le32/64 in virtio_crypto.h - remove VIRTIO_CRYPTO_S_STARTED based on the lastest virtio crypto spec. - introduces the little edian functions for VIRTIO_1 devices in patch 1. Gonglei (2): virtio: introduce little edian functions for virtio_cread/write# family crypto: add virtio-crypto driver MAINTAINERS | 8 + drivers/crypto/Kconfig | 2 + drivers/crypto/Makefile | 1 + drivers/crypto/virtio/Kconfig | 10 + drivers/crypto/virtio/Makefile | 5 + drivers/crypto/virtio/virtio_crypto.c | 444 +++++++++++++++++++++++ drivers/crypto/virtio/virtio_crypto_algs.c | 524 +++++++++++++++++++++++++++ drivers/crypto/virtio/virtio_crypto_common.h | 124 +++++++ drivers/crypto/virtio/virtio_crypto_mgr.c | 258 +++++++++++++ include/linux/virtio_config.h | 45 +++ include/uapi/linux/Kbuild | 1 + include/uapi/linux/virtio_crypto.h | 435 ++++++++++++++++++++++ include/uapi/linux/virtio_ids.h | 1 + 13 files changed, 1858 insertions(+) create mode 100644 drivers/crypto/virtio/Kconfig create mode 100644 drivers/crypto/virtio/Makefile create mode 100644 drivers/crypto/virtio/virtio_crypto.c create mode 100644 drivers/crypto/virtio/virtio_crypto_algs.c create mode 100644 drivers/crypto/virtio/virtio_crypto_common.h create mode 100644 drivers/crypto/virtio/virtio_crypto_mgr.c create mode 100644 include/uapi/linux/virtio_crypto.h -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
