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From: Shally Verma <shally.verma@caviumnetworks.com>
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Subject: [dpdk-dev] [PATCH v1 1/7] compress/octeontx: add octeontx zip PMD
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Add octeontx zip pmd support in compressdev driver.
Add device probe and remove support.
Update makefile to build octeontx zip pmd
Signed-off-by: Ashish Gupta <ashish.gupta@caviumnetworks.com>
Signed-off-by: Shally Verma <shally.verma@caviumnetworks.com>
Signed-off-by: Sunila Sahu <sunila.sahu@caviumnetworks.com>
---
config/common_base | 6 +
drivers/compress/Makefile | 2 +-
drivers/compress/octeontx/Makefile | 33 ++++++
drivers/compress/octeontx/meson.build | 10 ++
.../octeontx/rte_pmd_octeontx_compress_version.map | 3 +
drivers/compress/octeontx/zip_pmd.c | 129 +++++++++++++++++++++
drivers/compress/octeontx/zipvf.c | 48 ++++++++
drivers/compress/octeontx/zipvf.h | 47 ++++++++
usertools/dpdk-devbind.py | 9 ++
9 files changed, 286 insertions(+), 1 deletion(-)
diff --git a/config/common_base b/config/common_base
index 6b0d1cbbb..e56d14b7f 100644
--- a/config/common_base
+++ b/config/common_base
@@ -584,6 +584,12 @@ CONFIG_RTE_COMPRESS_MAX_DEVS=64
#
CONFIG_RTE_COMPRESSDEV_TEST=n
+#
+# Compile PMD for Octeontx ZIPVF compression device
+#
+CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF=n
+CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF_DEBUG=n
+
#
# Compile PMD for ISA-L compression device
#
diff --git a/drivers/compress/Makefile b/drivers/compress/Makefile
index 592497f51..62b4e5abe 100644
--- a/drivers/compress/Makefile
+++ b/drivers/compress/Makefile
@@ -4,5 +4,5 @@
include $(RTE_SDK)/mk/rte.vars.mk
DIRS-$(CONFIG_RTE_LIBRTE_PMD_ISAL) += isal
-
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF) += octeontx
include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/compress/octeontx/Makefile b/drivers/compress/octeontx/Makefile
new file mode 100644
index 000000000..89078f085
--- /dev/null
+++ b/drivers/compress/octeontx/Makefile
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2017-2018 Cavium Networks
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+# library name
+LIB = librte_pmd_octeontx_zip.a
+
+# library version
+LIBABIVER := 1
+
+# build flags
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -O3
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+CFLAGS += -I$(RTE_SDK)/drivers/compress/octeontx/include
+
+# external library include paths
+LDLIBS += -lrte_eal -lrte_mbuf -lrte_mempool -lrte_ring
+LDLIBS += -lrte_compressdev
+LDLIBS += -lrte_pci -lrte_bus_pci
+
+# library source files
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF) += zip_pmd.c
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_ZIPVF) += zipvf.c
+
+# export include files
+SYMLINK-y-include +=
+
+# versioning export map
+EXPORT_MAP := rte_pmd_octeontx_compress_version.map
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/compress/octeontx/meson.build b/drivers/compress/octeontx/meson.build
new file mode 100644
index 000000000..cce404337
--- /dev/null
+++ b/drivers/compress/octeontx/meson.build
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Cavium Networks
+
+sources = files('zipvf.c', 'zip_pmd.c')
+allow_experimental_apis = true
+includes += include_directories('include')
+deps += ['mempool_octeontx', 'bus_pci']
+ext_deps += dep
+
+
diff --git a/drivers/compress/octeontx/rte_pmd_octeontx_compress_version.map b/drivers/compress/octeontx/rte_pmd_octeontx_compress_version.map
new file mode 100644
index 000000000..33c1b976f
--- /dev/null
+++ b/drivers/compress/octeontx/rte_pmd_octeontx_compress_version.map
@@ -0,0 +1,3 @@
+EXPERIMENTAL {
+ local: *;
+};
diff --git a/drivers/compress/octeontx/zip_pmd.c b/drivers/compress/octeontx/zip_pmd.c
new file mode 100644
index 000000000..1181bed19
--- /dev/null
+++ b/drivers/compress/octeontx/zip_pmd.c
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017-2018 Cavium Networks
+ */
+
+#include <string.h>
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+#include <rte_byteorder.h>
+#include "zipvf.h"
+
+/* global structure to keep driver info */
+struct zip_pmd_private zip_pmd_priv;
+
+static int
+zip_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ int ret = 0;
+ char compressdev_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+ struct rte_compressdev *compressdev;
+ struct rte_compressdev_pmd_init_params init_params = {
+ "",
+ rte_socket_id(),
+ };
+
+ ZIP_PMD_INFO("vendor_id=0x%x device_id=0x%x",
+ (unsigned int)pci_dev->id.vendor_id,
+ (unsigned int)pci_dev->id.device_id);
+
+ rte_pci_device_name(&pci_dev->addr, compressdev_name,
+ sizeof(compressdev_name));
+
+ compressdev = rte_compressdev_pmd_create(compressdev_name,
+ &pci_dev->device, sizeof(struct zip_vf), &init_params);
+ if (compressdev == NULL) {
+ ZIP_PMD_ERR("driver %s: create failed", init_params.name);
+ return -ENODEV;
+ }
+
+ /*
+ * create only if proc_type is primary.
+ */
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ /* create vf dev with given pmd dev id */
+ ret = zipvf_create(compressdev, zip_pmd_priv.num_zipvfs);
+ if (ret < 0) {
+ ZIP_PMD_ERR("Device creation failed");
+ rte_compressdev_pmd_destroy(compressdev);
+ return ret;
+ }
+ }
+
+ /* TBD: check if driver global structure to be shared
+ * too among processes. if yes, then zip_pmd_priv
+ * had to be allocated from shared memzone. Currently
+ * it is in global data segment
+ */
+ zip_pmd_priv.zipvf_table[zip_pmd_priv.num_zipvfs] =
+ compressdev->data->dev_private;
+ zip_pmd_priv.num_zipvfs++;
+
+ compressdev->dev_ops = &octtx_zip_pmd_ops;
+ /* register rx/tx burst functions for data path */
+ compressdev->dequeue_burst = zip_pmd_dequeue_burst_sync;
+ compressdev->enqueue_burst = zip_pmd_enqueue_burst_sync;
+ compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
+ return ret;
+}
+
+static int
+zip_pci_remove(struct rte_pci_device *pci_dev)
+{
+ struct rte_compressdev *compressdev;
+ char compressdev_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+
+ if (pci_dev == NULL) {
+ ZIP_PMD_ERR(" Invalid PCI Device\n");
+ return -EINVAL;
+ }
+ rte_pci_device_name(&pci_dev->addr, compressdev_name,
+ sizeof(compressdev_name));
+
+ compressdev = rte_compressdev_pmd_get_named_dev(compressdev_name);
+ if (compressdev == NULL)
+ return -ENODEV;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (zipvf_destroy(compressdev) < 0)
+ return -ENODEV;
+ }
+ return rte_compressdev_pmd_destroy(compressdev);
+}
+
+
+
+static struct rte_pci_id pci_id_octtx_zipvf_table[] = {
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVICE_ID_OCTEONTX_ZIPVF),
+ },
+ {
+ .device_id = 0
+ },
+};
+
+/**
+ * Structure that represents a PCI driver
+ */
+static struct rte_pci_driver octtx_zip_pmd = {
+ .id_table = pci_id_octtx_zipvf_table,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = zip_pci_probe,
+ .remove = zip_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(COMPRESSDEV_NAME_ZIP_PMD, octtx_zip_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(COMPRESSDEV_NAME_ZIP_PMD, pci_id_octtx_zipvf_table);
+
+RTE_INIT(octtx_zip_init_log);
+
+static void
+octtx_zip_init_log(void)
+{
+ octtx_zip_logtype_driver = rte_log_register("comp_octeontx_zip");
+ if (octtx_zip_logtype_driver >= 0)
+ rte_log_set_level(octtx_zip_logtype_driver, RTE_LOG_INFO);
+}
+
diff --git a/drivers/compress/octeontx/zipvf.c b/drivers/compress/octeontx/zipvf.c
new file mode 100644
index 000000000..e082c2849
--- /dev/null
+++ b/drivers/compress/octeontx/zipvf.c
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017-2018 Cavium Networks
+ */
+
+#include "zipvf.h"
+
+int zipvf_create(struct rte_compressdev *compressdev, int vfid)
+{
+ struct rte_pci_device *pdev = RTE_DEV_TO_PCI(compressdev->device);
+ struct zip_vf *zipvf = NULL;
+ char *dev_name = compressdev->data->name;
+ void *vbar0;
+ uint64_t reg;
+
+ if (pdev->mem_resource[0].phys_addr == 0ULL)
+ return -EIO;
+
+ vbar0 = pdev->mem_resource[0].addr;
+ if (!vbar0) {
+ ZIP_PMD_ERR("Failed to map BAR0 of %s", dev_name);
+ return -ENODEV;
+ }
+
+ zipvf = (struct zip_vf *)(compressdev->data->dev_private);
+
+ if (!zipvf)
+ return -ENOMEM;
+
+ zipvf->vbar0 = vbar0;
+ reg = zip_reg_read64(zipvf->vbar0, ZIP_VF_PF_MBOXX(0));
+ /* Storing domain in local to ZIP VF */
+ zipvf->dom_sdom = reg;
+ zipvf->pdev = pdev;
+ zipvf->max_nb_queue_pairs = ZIP_MAX_VF_QUEUE;
+ zipvf->vfid = vfid;
+ return 0;
+}
+
+int zipvf_destroy(struct rte_compressdev *compressdev)
+{
+ struct zip_vf *vf = (struct zip_vf *)(compressdev->data->dev_private);
+
+ /* Rewriting the domain_id in ZIP_VF_MBOX for app rerun */
+ zip_reg_write64(vf->vbar0, ZIP_VF_PF_MBOXX(0), vf->dom_sdom);
+
+ return 0;
+}
+
diff --git a/drivers/compress/octeontx/zipvf.h b/drivers/compress/octeontx/zipvf.h
new file mode 100644
index 000000000..dcaaf4e46
--- /dev/null
+++ b/drivers/compress/octeontx/zipvf.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2017-2018 Cavium Networks
+ */
+#ifndef _RTE_OCTEONTX_ZIP_VF_H_
+#define _RTE_OCTEONTX_ZIP_VF_H_
+
+#include <rte_comp.h>
+#include <rte_compressdev.h>
+#include <rte_compressdev_pmd.h>
+#include <unistd.h>
+
+int octtx_zip_logtype_driver;
+
+
+#define ZIP_PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, \
+ octtx_zip_logtype_driver, "%s(): "fmt "\n", \
+ __func__, ##args)
+
+#define ZIP_PMD_INFO(fmt, args...) \
+ ZIP_PMD_LOG(INFO, fmt, ## args)
+#define ZIP_PMD_ERR(fmt, args...) \
+ ZIP_PMD_LOG(ERR, fmt, ## args)
+#define ZIP_PMD_WARN(fmt, args...) \
+ ZIP_PMD_LOG(WARNING, fmt, ## args)
+
+/**
+ * ZIP VF device structure.
+ */
+struct zip_vf {
+ int vfid;
+ /* vf index */
+ struct rte_pci_device *pdev;
+ /* pci device */
+ void *vbar0;
+ /* CSR base address for underlying BAR0 VF.*/
+ uint64_t dom_sdom;
+ /* Storing mbox domain and subdomain id for app rerun*/
+ uint32_t max_nb_queue_pairs;
+ /* pointer to device qps */
+ struct rte_mempool *zip_mp;
+ /* pointer to pools */
+} __rte_cache_aligned;
+
+int zipvf_create(struct rte_compressdev *compressdev, int vfid);
+
+#endif /* _RTE_ZIP_VF_H_ */
diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py
index d0c420906..1d48a6cba 100755
--- a/usertools/dpdk-devbind.py
+++ b/usertools/dpdk-devbind.py
@@ -24,6 +24,8 @@
'SVendor': None, 'SDevice': None}
cavium_tim = {'Class': '08', 'Vendor': '177d', 'Device': 'a051',
'SVendor': None, 'SDevice': None}
+cavium_zip = {'Class': '12', 'Vendor': '177d', 'Device': 'a037',
+ 'SVendor': None, 'SDevice': None}
avp_vnic = {'Class': '05', 'Vendor': '1af4', 'Device': '1110',
'SVendor': None, 'SDevice': None}
@@ -31,6 +33,7 @@
crypto_devices = [encryption_class, intel_processor_class]
eventdev_devices = [cavium_sso, cavium_tim]
mempool_devices = [cavium_fpa]
+compress_devices = [cavium_zip]
# global dict ethernet devices present. Dictionary indexed by PCI address.
# Each device within this is itself a dictionary of device properties
@@ -569,6 +572,10 @@ def show_status():
if status_dev == "mempool" or status_dev == "all":
show_device_status(mempool_devices, "Mempool")
+ if status_dev == "compress" or status_dev == "all":
+ show_device_status(compress_devices , "Compress")
+
+
def parse_args():
'''Parses the command-line arguments given by the user and takes the
appropriate action for each'''
@@ -642,6 +649,7 @@ def do_arg_actions():
get_device_details(crypto_devices)
get_device_details(eventdev_devices)
get_device_details(mempool_devices)
+ get_device_details(compress_devices)
show_status()
@@ -654,6 +662,7 @@ def main():
get_device_details(crypto_devices)
get_device_details(eventdev_devices)
get_device_details(mempool_devices)
+ get_device_details(compress_devices)
do_arg_actions()
if __name__ == "__main__":
--
2.14.3