From: Ashish Gupta <ashish.gu...@caviumnetworks.com>
Add sw zlib pmd support in compressdev driver.
Add device probe and remove support.
Add ZLIB build file support.
Signed-off-by: Sunila Sahu <sunila.s...@caviumnetworks.com>
Signed-off-by: Shally Verma <shally.ve...@caviumnetworks.com>
Signed-off-by: Ashish Gupta <ashish.gu...@caviumnetworks.com>
---
MAINTAINERS | 3 +
config/common_base | 5 ++
drivers/compress/Makefile | 1 +
drivers/compress/meson.build | 2 +-
drivers/compress/zlib/Makefile | 28 +++++++++
drivers/compress/zlib/meson.build | 14 +++++
drivers/compress/zlib/rte_pmd_zlib_version.map | 3 +
drivers/compress/zlib/zlib_pmd.c | 81 ++++++++++++++++++++++++++
drivers/compress/zlib/zlib_pmd_private.h | 33 +++++++++++
mk/rte.app.mk | 2 +
10 files changed, 171 insertions(+), 1 deletion(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index dabb12d..448bbe1 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -851,6 +851,9 @@ F: drivers/compress/isal/
F: doc/guides/compressdevs/isal.rst
F: doc/guides/compressdevs/features/isal.ini
+ZLIB
+M: Sunila Sahu <sunila.s...@caviumnetworks.com>
+F: drivers/compress/zlib/
Eventdev Drivers
----------------
diff --git a/config/common_base b/config/common_base
index 721e59b..dabc269 100644
--- a/config/common_base
+++ b/config/common_base
@@ -585,6 +585,11 @@ CONFIG_RTE_COMPRESSDEV_TEST=n
CONFIG_RTE_LIBRTE_PMD_ISAL=n
#
+# Compile PMD for ZLIB compression device
+#
+CONFIG_RTE_LIBRTE_PMD_ZLIB=n
+
+#
# Compile generic event device library
#
CONFIG_RTE_LIBRTE_EVENTDEV=y
diff --git a/drivers/compress/Makefile b/drivers/compress/Makefile
index 592497f..1f159a5 100644
--- a/drivers/compress/Makefile
+++ b/drivers/compress/Makefile
@@ -4,5 +4,6 @@
include $(RTE_SDK)/mk/rte.vars.mk
DIRS-$(CONFIG_RTE_LIBRTE_PMD_ISAL) += isal
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += zlib
include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/compress/meson.build b/drivers/compress/meson.build
index fb136e1..e4d5e5c 100644
--- a/drivers/compress/meson.build
+++ b/drivers/compress/meson.build
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2018 Intel Corporation
-drivers = ['isal']
+drivers = ['isal','zlib']
std_deps = ['compressdev'] # compressdev pulls in all other needed deps
config_flag_fmt = 'RTE_LIBRTE_@0@_PMD'
diff --git a/drivers/compress/zlib/Makefile b/drivers/compress/zlib/Makefile
new file mode 100644
index 0000000..bd322c9
--- /dev/null
+++ b/drivers/compress/zlib/Makefile
@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Cavium Networks
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# library name
+LIB = librte_pmd_zlib.a
+
+# build flags
+CFLAGS += -O3
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+# library version
+LIBABIVER := 1
+
+# versioning export map
+EXPORT_MAP := rte_pmd_zlib_version.map
+
+# external library dependencies
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring -lz
+LDLIBS += -lrte_compressdev
+LDLIBS += -lrte_bus_vdev
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += zlib_pmd.c
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/compress/zlib/meson.build
b/drivers/compress/zlib/meson.build
new file mode 100644
index 0000000..7748de2
--- /dev/null
+++ b/drivers/compress/zlib/meson.build
@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Cavium Networks
+
+dep = dependency('zlib', required: false)
+if not dep.found()
+ build = false
+endif
+
+deps += 'bus_vdev'
+sources = files('zlib_pmd.c', 'zlib_pmd_ops.c')
+ext_deps += dep
+pkgconfig_extra_libs += '-lz'
+
+allow_experimental_apis = true
diff --git a/drivers/compress/zlib/rte_pmd_zlib_version.map
b/drivers/compress/zlib/rte_pmd_zlib_version.map
new file mode 100644
index 0000000..1a99a33
--- /dev/null
+++ b/drivers/compress/zlib/rte_pmd_zlib_version.map
@@ -0,0 +1,3 @@
+18.08 {
+ local: *;
+};
diff --git a/drivers/compress/zlib/zlib_pmd.c b/drivers/compress/zlib/zlib_pmd.c
new file mode 100644
index 0000000..f667ccc
--- /dev/null
+++ b/drivers/compress/zlib/zlib_pmd.c
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Cavium Networks
+ */
+
+#include <rte_bus_vdev.h>
+#include <rte_common.h>
+#include "zlib_pmd_private.h"
+
+static int
+zlib_create(const char *name,
+ struct rte_vdev_device *vdev,
+ struct rte_compressdev_pmd_init_params *init_params)
+{
+ struct rte_compressdev *dev;
+
+ dev = rte_compressdev_pmd_create(name, &vdev->device,
+ sizeof(struct zlib_private), init_params);
+ if (dev == NULL) {
+ ZLIB_PMD_ERR("driver %s: create failed", init_params->name);
+ return -ENODEV;
+ }
+
+ dev->feature_flags = RTE_COMP_FF_NONCOMPRESSED_BLOCKS;
+
+ return 0;
+}
+
+static int
+zlib_probe(struct rte_vdev_device *vdev)
+{
+ struct rte_compressdev_pmd_init_params init_params = {
+ "",
+ rte_socket_id()
+ };
+ const char *name;
+ const char *input_args;
+
+ name = rte_vdev_device_name(vdev);
+
+ if (name == NULL)
+ return -EINVAL;
+ input_args = rte_vdev_device_args(vdev);
+ rte_compressdev_pmd_parse_input_args(&init_params, input_args);
+
+ return zlib_create(name, vdev, &init_params);
+}
+
+static int
+zlib_remove(struct rte_vdev_device *vdev)
+{
+ struct rte_compressdev *compressdev;
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ compressdev = rte_compressdev_pmd_get_named_dev(name);
+ if (compressdev == NULL)
+ return -ENODEV;
+
+ return rte_compressdev_pmd_destroy(compressdev);
+}
+
+static struct rte_vdev_driver zlib_pmd_drv = {
+ .probe = zlib_probe,
+ .remove = zlib_remove
+};
+
+RTE_PMD_REGISTER_VDEV(COMPRESSDEV_NAME_ZLIB_PMD, zlib_pmd_drv);
+RTE_PMD_REGISTER_ALIAS(COMPRESSDEV_NAME_ZLIB_PMD, compressdev_zlib_pmd);
+
+RTE_INIT(zlib_init_log);
+
+static void
+zlib_init_log(void)
+{
+ zlib_logtype_driver = rte_log_register("compress_zlib");
+ if (zlib_logtype_driver >= 0)
+ rte_log_set_level(zlib_logtype_driver, RTE_LOG_INFO);
+}
diff --git a/drivers/compress/zlib/zlib_pmd_private.h
b/drivers/compress/zlib/zlib_pmd_private.h
new file mode 100644
index 0000000..d4c80b1
--- /dev/null
+++ b/drivers/compress/zlib/zlib_pmd_private.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Cavium Networks
+ */
+
+#ifndef _RTE_ZLIB_PMD_PRIVATE_H_
+#define _RTE_ZLIB_PMD_PRIVATE_H_
+
+#include <zlib.h>
+#include <rte_compressdev.h>
+#include <rte_compressdev_pmd.h>
+
+#define COMPRESSDEV_NAME_ZLIB_PMD compress_zlib
+/**< ZLIB PMD device name */
+
+#define DEF_MEM_LEVEL 8
+
+int zlib_logtype_driver;
+#define ZLIB_PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, zlib_logtype_driver, "%s(): "fmt "\n", \
+ __func__, ##args)
+
+#define ZLIB_PMD_INFO(fmt, args...) \
+ ZLIB_PMD_LOG(INFO, fmt, ## args)
+#define ZLIB_PMD_ERR(fmt, args...) \
+ ZLIB_PMD_LOG(ERR, fmt, ## args)
+#define ZLIB_PMD_WARN(fmt, args...) \
+ ZLIB_PMD_LOG(WARNING, fmt, ## args)
+
+struct zlib_private {
+ char mp_name[RTE_MEMPOOL_NAMESIZE];
+};
+
+#endif /* _RTE_ZLIB_PMD_PRIVATE_H_ */
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 87a0c80..f884b8a 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -213,6 +213,8 @@ endif # CONFIG_RTE_LIBRTE_CRYPTODEV
ifeq ($(CONFIG_RTE_LIBRTE_COMPRESSDEV),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ISAL) += -lrte_pmd_isal_comp
_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ISAL) += -lisal
+_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += -lrte_pmd_zlib
+_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_ZLIB) += -lz
endif # CONFIG_RTE_LIBRTE_COMPRESSDEV
ifeq ($(CONFIG_RTE_LIBRTE_EVENTDEV),y)
--
2.9.5
