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authorAshish Gupta <ashish.gupta@caviumnetworks.com>2018-07-24 20:35:32 +0530
committerPablo de Lara <pablo.de.lara.guarch@intel.com>2018-07-25 08:21:25 +0200
commit0c4e4c16b0049ef5d0d2a7bb49d4ab653f7f14b6 (patch)
tree252d0895c0283e38538eeb7480371c52123bd454 /drivers/compress
parent788e748d38456b6f431da78a3cead56ce9b4aaba (diff)
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compress/zlib: introduce zlib PMD
Add initial PMD setup routines in compressdev framework. ZLIB PMD appears as virtual compression device. User would need to install zlib prior to enabling this PMD. Signed-off-by: Sunila Sahu <sunila.sahu@caviumnetworks.com> Signed-off-by: Shally Verma <shally.verma@caviumnetworks.com> Signed-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>
Diffstat (limited to 'drivers/compress')
-rw-r--r--drivers/compress/Makefile1
-rw-r--r--drivers/compress/meson.build2
-rw-r--r--drivers/compress/zlib/Makefile28
-rw-r--r--drivers/compress/zlib/meson.build14
-rw-r--r--drivers/compress/zlib/rte_pmd_zlib_version.map3
-rw-r--r--drivers/compress/zlib/zlib_pmd.c87
-rw-r--r--drivers/compress/zlib/zlib_pmd_private.h32
7 files changed, 166 insertions, 1 deletions
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 2352ad5..d2ca8fc 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', 'qat']
+drivers = ['isal', 'qat', '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..3f0a77b
--- /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')
+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..ad6e191
--- /dev/null
+++ b/drivers/compress/zlib/rte_pmd_zlib_version.map
@@ -0,0 +1,3 @@
+DPDK_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..505502d
--- /dev/null
+++ b/drivers/compress/zlib/zlib_pmd.c
@@ -0,0 +1,87 @@
+/* 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;
+ }
+
+ 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;
+ int retval;
+
+ name = rte_vdev_device_name(vdev);
+
+ if (name == NULL)
+ return -EINVAL;
+
+ input_args = rte_vdev_device_args(vdev);
+
+ retval = rte_compressdev_pmd_parse_input_args(&init_params, input_args);
+ if (retval < 0) {
+ ZLIB_PMD_LOG(ERR,
+ "Failed to parse initialisation arguments[%s]\n",
+ input_args);
+ return -EINVAL;
+ }
+
+ 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_INIT(zlib_init_log);
+
+static void
+zlib_init_log(void)
+{
+ zlib_logtype_driver = rte_log_register("pmd.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..d26a740
--- /dev/null
+++ b/drivers/compress/zlib/zlib_pmd_private.h
@@ -0,0 +1,32 @@
+/* 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 {
+};
+
+#endif /* _RTE_ZLIB_PMD_PRIVATE_H_ */