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spdkcli: add null bdev configuration

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Change-Id: Ic2e5e68dd794f10625ef689452f7370b4fb93408
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Reviewed-on: https://review.gerrithub.io/414953
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Karol Latecki 2018-06-13 11:38:39 +02:00 committed by Jim Harris
parent d35952dd9b
commit 1949d3f024
2 changed files with 33 additions and 0 deletions
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29
scripts/spdkcli/ui_node.py
View File

@ -52,6 +52,7 @@ class UIBdevs(UINode):
UIAIOBdev(self)
UILvolBdev(self)
UINvmeBdev(self)
UINullBdev(self)
UISplitBdev(self)
def ui_command_delete(self, name):
@ -282,6 +283,34 @@ class UINvmeBdev(UIBdev):
self.refresh()
class UINullBdev(UIBdev):
def __init__(self, parent):
UIBdev.__init__(self, "Null", parent)
def ui_command_create(self, name, size, block_size, uuid=None):
"""
Construct a Null bdev.
Arguments:
name - Name to use for bdev.
size - Size in megabytes.
block_size - Integer, block size to use when constructing bdev.
uuid - Optional parameter. Custom UUID to use. If empty then random
will be generated.
"""
size = self.ui_eval_param(size, "number", None)
block_size = self.ui_eval_param(block_size, "number", None)
num_blocks = size * 1024 * 1024 // block_size
ret_name = self.get_root().create_null_bdev(num_blocks=num_blocks,
block_size=block_size,
name=name, uuid=uuid)
self.shell.log.info(ret_name)
self.get_root().refresh()
self.refresh()
class UISplitBdev(UIBdev):
def __init__(self, parent):
UIBdev.__init__(self, "Split_Disk", parent)

4
scripts/spdkcli/ui_root.py
View File

@ -65,6 +65,10 @@ class UIRoot(UINode):
response = rpc.bdev.construct_nvme_bdev(self.client, **kwargs)
return self.print_array(response)
def create_null_bdev(self, **kwargs):
response = rpc.bdev.construct_null_bdev(self.client, **kwargs)
return self.print_array(response)
def get_lvol_stores(self):
self.current_lvol_stores = rpc.lvol.get_lvol_stores(self.client)
for lvs in self.current_lvol_stores: