QAT: T1788: Intel QAT implementation

1 files changed, 118 insertions, 0 deletions

diff --git a/src/op_mode/show_acceleration.py b/src/op_mode/show_acceleration.py
new file mode 100755
index 000000000..3ba0e85dd
--- /dev/null
+++ b/src/op_mode/show_acceleration.py
@@ -0,0 +1,118 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import sys
+import os
+import re
+import argparse
+import subprocess
+from vyos.config import Config
+
+def detect_qat_dev():
+    ret = subprocess.Popen(['sudo', 'lspci',  '-nn'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    (output, err) = ret.communicate()
+    if not err:
+        data = re.findall('(8086:19e2)|(8086:37c8)|(8086:0435)|(8086:6f54)', output.decode("utf-8"))
+        #If QAT devices found
+        if data:
+            return
+    print("\t No QAT device found")
+    sys.exit(1)
+
+def show_qat_status():
+    detect_qat_dev()
+
+    # Check QAT service
+    if not os.path.exists('/etc/init.d/vyos-qat-utilities'):
+        print("\t QAT service not installed")
+        sys.exit(1)
+
+    # Show QAT service
+    os.system('sudo /etc/init.d/vyos-qat-utilities status')
+
+# Return QAT devices
+def get_qat_devices():
+    ret = subprocess.Popen(['sudo', '/etc/init.d/vyos-qat-utilities',  'status'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    (output, err) = ret.communicate()
+    if not err:
+        #print(output)
+        data_st = output.decode("utf-8")
+        elm_lst = re.findall('qat_dev\d', data_st)
+        print('\n'.join(elm_lst))
+
+# Return QAT path in sysfs
+def get_qat_proc_path(qat_dev):
+    q_type = ""
+    q_bsf  = ""
+    ret = subprocess.Popen(['sudo', '/etc/init.d/vyos-qat-utilities',  'status'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+    (output, err) = ret.communicate()
+    if not err:
+        # Parse QAT service output
+        data_st = output.decode("utf-8").split("\n")
+        for elm_str in range(len(data_st)):
+            if re.search(qat_dev, data_st[elm_str]):
+                elm_list = data_st[elm_str].split(", ")
+                for elm in range(len(elm_list)):
+                    if re.search('type', elm_list[elm]):
+                        q_list = elm_list[elm].split(": ")
+                        q_type=q_list[1]
+                    elif re.search('bsf', elm_list[elm]):
+                        q_list = elm_list[elm].split(": ")
+                        q_bsf = q_list[1]
+        return "/sys/kernel/debug/qat_"+q_type+"_"+q_bsf+"/"
+
+# Check if QAT service confgured
+def check_qat_if_conf():
+    if not Config().exists_effective('system acceleration qat'):
+        print("\t system acceleration qat is not configured")
+        sys.exit(1)
+
+parser = argparse.ArgumentParser()
+group = parser.add_mutually_exclusive_group()
+group.add_argument("--hw", action="store_true", help="Show Intel QAT HW")
+group.add_argument("--dev_list", action="store_true", help="Return Intel QAT devices")
+group.add_argument("--flow", action="store_true", help="Show Intel QAT flows")
+group.add_argument("--interrupts", action="store_true", help="Show Intel QAT interrupts")
+group.add_argument("--status", action="store_true", help="Show Intel QAT status")
+group.add_argument("--conf", action="store_true", help="Show Intel QAT configuration")
+
+parser.add_argument("--dev", type=str, help="Selected QAT device")
+
+args = parser.parse_args()
+
+if args.hw:
+    detect_qat_dev()
+    # Show availible Intel QAT devices
+    os.system('sudo lspci -nn | egrep -e \'8086:37c8|8086:19e2|8086:0435|8086:6f54\'')
+elif args.flow and args.dev:
+    check_qat_if_conf()
+    os.system('sudo cat '+get_qat_proc_path(args.dev)+"fw_counters")
+elif args.interrupts:
+    check_qat_if_conf()
+    # Delete _dev from args.dev
+    os.system('sudo cat /proc/interrupts | grep qat')
+elif args.status:
+    check_qat_if_conf()
+    show_qat_status()
+elif args.conf and args.dev:
+    check_qat_if_conf()
+    os.system('sudo cat '+get_qat_proc_path(args.dev)+"dev_cfg")
+elif args.dev_list:
+    get_qat_devices()
+else:
+    parser.print_help()
+    sys.exit(1)
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