scripts/rpc: addd RPC support to enable idxd

The new RPC also includes and option for which
idxd config is to be used. Config options will be
explained in detail in a later patch.

Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I1322bab4d6ca9cc45ec3a56d7267dc7dc09dbea3
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1726
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

scripts/rpc.py

@@ -2155,6 +2155,15 @@ Format: 'user:u1 secret:s1 muser:mu1 msecret:ms1,user:u2 secret:s2 muser:mu2 mse
     domain:bus:device.function format or domain.bus.device.function format""")
     p.set_defaults(func=ioat_scan_accel_engine)
 
+    # idxd
+    def idxd_scan_accel_engine(args):
+        rpc.idxd.idxd_scan_accel_engine(args.client, config_number=args.config_number)
+
+    p = subparsers.add_parser('idxd_scan_accel_engine',
+                              help='Set config and enable idxd accel engine offload.')
+    p.add_argument('-c', '--config-number', help="""Pre-defined configuration number to use. See docs.""", type=int)
+    p.set_defaults(func=idxd_scan_accel_engine)
+
     # opal
     def bdev_nvme_opal_init(args):
         rpc.nvme.bdev_nvme_opal_init(args.client,

scripts/rpc/__init__.py

@@ -6,6 +6,7 @@ from . import app
 from . import bdev
 from . import blobfs
 from . import env_dpdk
+from . import idxd
 from . import ioat
 from . import iscsi
 from . import log

scripts/rpc/idxd.py

@@ -0,0 +1,8 @@
+def idxd_scan_accel_engine(client, config_number):
+    """Scan and enable IDXD accel engine.
+
+    Args:
+        config_number: Pre-defined configuration number, see docs.
+    """
+    params = {'config_number': config_number}
+    return client.call('idxd_scan_accel_engine', params)