[dpdk-dev,v6,01/10] crypto/virtio: add virtio crypto PMD

diff --git a/MAINTAINERS b/MAINTAINERS
index b262e55..2783cd7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -724,6 +724,10 @@  F: drivers/crypto/snow3g/
 F: doc/guides/cryptodevs/snow3g.rst
 F: doc/guides/cryptodevs/features/snow3g.ini
 
+Virtio
+M: Jay Zhou <jianjay.zhou@huawei.com>
+F: drivers/crypto/virtio/
+
 ZUC
 M: Pablo de Lara <pablo.de.lara.guarch@intel.com>
 F: drivers/crypto/zuc/
diff --git a/config/common_base b/config/common_base
index a842478..bf6bbc7 100644
--- a/config/common_base
+++ b/config/common_base
@@ -486,6 +486,20 @@  CONFIG_RTE_LIBRTE_PMD_QAT_DEBUG_DRIVER=n
 CONFIG_RTE_QAT_PMD_MAX_NB_SESSIONS=2048
 
 #
+# Compile PMD for virtio crypto devices
+#
+CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO=n
+#
+# Number of maximum virtio crypto devices
+#
+CONFIG_RTE_MAX_VIRTIO_CRYPTO=32
+#
+# Number of sessions to create in the session memory pool
+# on a single virtio crypto device.
+#
+CONFIG_RTE_VIRTIO_CRYPTO_PMD_MAX_NB_SESSIONS=1024
+
+#
 # Compile PMD for AESNI backed device
 #
 CONFIG_RTE_LIBRTE_PMD_AESNI_MB=n
diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst
index 0eeabf5..2a40b96 100644
--- a/doc/guides/rel_notes/release_18_05.rst
+++ b/doc/guides/rel_notes/release_18_05.rst
@@ -53,6 +53,9 @@  New Features
   :doc:`../cryptodevs/ccp` crypto driver guide for more details on
   this new driver.
 
+* **Added the virtio crypto PMD.**
+
+  Added a new poll mode driver for virtio crypto devices.
 
 API Changes
 -----------
diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile
index 9fbd986..e9e8b1f 100644
--- a/drivers/crypto/Makefile
+++ b/drivers/crypto/Makefile
@@ -21,5 +21,6 @@  ifeq ($(CONFIG_RTE_LIBRTE_DPAA_BUS),y)
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA_SEC) += dpaa_sec
 endif
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_CCP) += ccp
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += virtio
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/crypto/virtio/Makefile b/drivers/crypto/virtio/Makefile
new file mode 100644
index 0000000..a3b44e9
--- /dev/null
+++ b/drivers/crypto/virtio/Makefile
@@ -0,0 +1,28 @@ 
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_virtio_crypto.a
+
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+
+EXPORT_MAP := rte_pmd_virtio_crypto_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += virtio_cryptodev.c
+
+# this lib depends upon:
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += lib/librte_eal
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += lib/librte_mempool lib/librte_mbuf
+DEPDIRS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += lib/librte_cryptodev
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/crypto/virtio/rte_pmd_virtio_crypto_version.map b/drivers/crypto/virtio/rte_pmd_virtio_crypto_version.map
new file mode 100644
index 0000000..de8e412
--- /dev/null
+++ b/drivers/crypto/virtio/rte_pmd_virtio_crypto_version.map
@@ -0,0 +1,3 @@ 
+DPDK_18.05 {
+	local: *;
+};
diff --git a/drivers/crypto/virtio/virtio_cryptodev.c b/drivers/crypto/virtio/virtio_cryptodev.c
new file mode 100644
index 0000000..84aff58
--- /dev/null
+++ b/drivers/crypto/virtio/virtio_cryptodev.c
@@ -0,0 +1,34 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
+ */
+#include <rte_pci.h>
+#include <rte_bus_pci.h>
+#include <rte_cryptodev_pmd.h>
+#include "virtio_cryptodev.h"
+
+uint8_t cryptodev_virtio_driver_id;
+
+static int crypto_virtio_pci_probe(
+	struct rte_pci_driver *pci_drv __rte_unused,
+	struct rte_pci_device *pci_dev __rte_unused)
+{
+	return 0;
+}
+
+static int crypto_virtio_pci_remove(
+	struct rte_pci_device *pci_dev __rte_unused)
+{
+	return 0;
+}
+
+static struct rte_pci_driver rte_virtio_crypto_driver = {
+	.probe = crypto_virtio_pci_probe,
+	.remove = crypto_virtio_pci_remove
+};
+
+static struct cryptodev_driver virtio_crypto_drv;
+
+RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_VIRTIO_PMD, rte_virtio_crypto_driver);
+RTE_PMD_REGISTER_CRYPTO_DRIVER(virtio_crypto_drv,
+	rte_virtio_crypto_driver.driver,
+	cryptodev_virtio_driver_id);
diff --git a/drivers/crypto/virtio/virtio_cryptodev.h b/drivers/crypto/virtio/virtio_cryptodev.h
new file mode 100644
index 0000000..44517b8
--- /dev/null
+++ b/drivers/crypto/virtio/virtio_cryptodev.h
@@ -0,0 +1,10 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 HUAWEI TECHNOLOGIES CO., LTD.
+ */
+
+#ifndef _VIRTIO_CRYPTODEV_H_
+#define _VIRTIO_CRYPTODEV_H_
+
+#define CRYPTODEV_NAME_VIRTIO_PMD crypto_virtio
+
+#endif /* _VIRTIO_CRYPTODEV_H_ */
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 8071aa6..c2767b0 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -204,6 +204,7 @@  _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_AESNI_GCM)   +=  -lIPSec_MB
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OPENSSL)     += -lrte_pmd_openssl -lcrypto
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_NULL_CRYPTO) += -lrte_pmd_null_crypto
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_QAT)         += -lrte_pmd_qat -lcrypto
+_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_VIRTIO_CRYPTO) += -lrte_pmd_virtio_crypto -lcrypto
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SNOW3G)      += -lrte_pmd_snow3g
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_SNOW3G)      += -L$(LIBSSO_SNOW3G_PATH)/build -lsso_snow3g
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_KASUMI)      += -lrte_pmd_kasumi