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Store PP config params in cache superblock.

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It allows to modify and retrieve particular PP params event if it isn't active
and store values between cache stop and load.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk
2019-09-27 02:30:48 -04:00
parent 75569ecaba
commit dfc55538ce
11 changed files with 162 additions and 151 deletions
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80
tests/functional/pyocf/types/cache.py
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@@ -171,8 +171,7 @@ class Cache:
_metadata_layout=metadata_layout,
_metadata_volatile=metadata_volatile,
_backfill=Backfill(
_max_queue_size=max_queue_size,
_queue_unblock_size=queue_unblock_size,
_max_queue_size=max_queue_size, _queue_unblock_size=queue_unblock_size
),
_locked=locked,
_pt_unaligned_io=pt_unaligned_io,
@@ -183,9 +182,7 @@ class Cache:
self.io_queues = []
self.cores = []
def start_cache(
self, default_io_queue: Queue = None, mngt_queue: Queue = None
):
def start_cache(self, default_io_queue: Queue = None, mngt_queue: Queue = None):
status = self.owner.lib.ocf_mngt_cache_start(
self.owner.ctx_handle, byref(self.cache_handle), byref(self.cfg)
)
@@ -193,20 +190,14 @@ class Cache:
raise OcfError("Creating cache instance failed", status)
self.owner.caches.append(self)
self.mngt_queue = mngt_queue or Queue(
self, "mgmt-{}".format(self.get_name())
)
self.mngt_queue = mngt_queue or Queue(self, "mgmt-{}".format(self.get_name()))
if default_io_queue:
self.io_queues += [default_io_queue]
else:
self.io_queues += [
Queue(self, "default-io-{}".format(self.get_name()))
]
self.io_queues += [Queue(self, "default-io-{}".format(self.get_name()))]
status = self.owner.lib.ocf_mngt_cache_set_mngt_queue(
self, self.mngt_queue
)
status = self.owner.lib.ocf_mngt_cache_set_mngt_queue(self, self.mngt_queue)
if status:
raise OcfError("Error setting management queue", status)
@@ -214,9 +205,7 @@ class Cache:
def change_cache_mode(self, cache_mode: CacheMode):
self.write_lock()
status = self.owner.lib.ocf_mngt_cache_set_mode(
self.cache_handle, cache_mode
)
status = self.owner.lib.ocf_mngt_cache_set_mode(self.cache_handle, cache_mode)
self.write_unlock()
@@ -260,13 +249,13 @@ class Cache:
if status:
raise OcfError("Error setting promotion policy", status)
def get_promotion_policy_param(self, param_id):
def get_promotion_policy_param(self, promotion_type, param_id):
self.read_lock()
param_value = c_uint64()
status = self.owner.lib.ocf_mngt_cache_promotion_get_param(
self.cache_handle, param_id, byref(param_value)
self.cache_handle, param_id, promotion_type, byref(param_value)
)
self.read_unlock()
@@ -275,11 +264,11 @@ class Cache:
return param_value
def set_promotion_policy_param(self, param_id, param_value):
def set_promotion_policy_param(self, param_id, promotion_type, param_value):
self.write_lock()
status = self.owner.lib.ocf_mngt_cache_promotion_set_param(
self.cache_handle, param_id, param_value
self.cache_handle, param_id, promotion_type, param_value
)
self.write_unlock()
@@ -306,8 +295,7 @@ class Cache:
self.dev_cfg = CacheDeviceConfig(
_uuid=Uuid(
_data=cast(
create_string_buffer(self.device_name.encode("ascii")),
c_char_p,
create_string_buffer(self.device_name.encode("ascii")), c_char_p
),
_size=len(self.device_name) + 1,
),
@@ -327,9 +315,7 @@ class Cache:
self.configure_device(device, force, perform_test, cache_line_size)
self.write_lock()
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
device.owner.lib.ocf_mngt_cache_attach(
self.cache_handle, byref(self.dev_cfg), c, None
@@ -343,9 +329,7 @@ class Cache:
def load_cache(self, device):
self.configure_device(device)
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
device.owner.lib.ocf_mngt_cache_load(
self.cache_handle, byref(self.dev_cfg), c, None
)
@@ -389,18 +373,14 @@ class Cache:
raise OcfError("Couldn't get cache instance", status)
def read_lock(self):
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
self.owner.lib.ocf_mngt_cache_read_lock(self.cache_handle, c, None)
c.wait()
if c.results["error"]:
raise OcfError("Couldn't lock cache instance", c.results["error"])
def write_lock(self):
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
self.owner.lib.ocf_mngt_cache_lock(self.cache_handle, c, None)
c.wait()
if c.results["error"]:
@@ -463,19 +443,13 @@ class Cache:
self.read_lock()
status = self.owner.lib.ocf_cache_get_info(
self.cache_handle, byref(cache_info)
)
status = self.owner.lib.ocf_cache_get_info(self.cache_handle, byref(cache_info))
if status:
self.read_unlock()
raise OcfError("Failed getting cache info", status)
status = self.owner.lib.ocf_stats_collect_cache(
self.cache_handle,
byref(usage),
byref(req),
byref(block),
byref(errors),
self.cache_handle, byref(usage), byref(req), byref(block), byref(errors)
)
if status:
self.read_unlock()
@@ -494,12 +468,8 @@ class Cache:
"occupancy": CacheLines(
cache_info.inactive.occupancy.value, line_size
),
"dirty": CacheLines(
cache_info.inactive.dirty.value, line_size
),
"clean": CacheLines(
cache_info.inactive.clean.value, line_size
),
"dirty": CacheLines(cache_info.inactive.dirty.value, line_size),
"clean": CacheLines(cache_info.inactive.clean.value, line_size),
},
"occupancy": CacheLines(cache_info.occupancy, line_size),
"dirty": CacheLines(cache_info.dirty, line_size),
@@ -541,9 +511,7 @@ class Cache:
raise Exception("Not started!")
self.get_and_write_lock()
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
self.owner.lib.ocf_mngt_cache_save(self.cache_handle, c, None)
c.wait()
@@ -558,9 +526,7 @@ class Cache:
self.write_lock()
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
self.owner.lib.ocf_mngt_cache_stop(self.cache_handle, c, None)
@@ -580,9 +546,7 @@ class Cache:
def flush(self):
self.write_lock()
c = OcfCompletion(
[("cache", c_void_p), ("priv", c_void_p), ("error", c_int)]
)
c = OcfCompletion([("cache", c_void_p), ("priv", c_void_p), ("error", c_int)])
self.owner.lib.ocf_mngt_cache_flush(self.cache_handle, c, None)
c.wait()
self.write_unlock()