Commit Graph

5 Commits

Author SHA1 Message Date
Vitaliy Mysak
c967d539d8 ocf: add timeout functionality for vbdev_ocf_mngt_ interface
Allow user to set timeout for poller in management operations.
Now also all management pollers have 5 sec default timeout.

Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Change-Id: Ic75f2b150ef21ccd673b80aa84f16c9a24f90e32
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453655
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-15 20:34:13 +00:00
Vitaliy Mysak
bbbe9e1ce6 ocf: add vbdev_ocf_mngt_stop() function
Add stop function to management interface.
It is needed for error handling when execution has to be aborted early.

Example flow:
```
rc = op();
if (rc) {
   handle();
   vbdev_ocf_mngt_stop();
} else {
   vbdev_ocf_mngt_continue();
}
```

This can be improved in the future, because currently, error
  handling cannot be a management operation on its own (but should be).

Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Change-Id: I9ba528db8a9957ee561e5c1b5528b16bd143d5d8
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/453654
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
2019-05-15 20:34:13 +00:00
Vitaliy Mysak
8d3d32b982 ocf: pass vbdev in callback of mngt_ interface
Add vbdev as another argument in callback of vbdev management operations.
This is nice for async version of vbdev_ocf_construct() which uses mngt_
  interface and creates vbdev structure.

Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Change-Id: I8c88e0a881855b9f22fcf1f8174c888f3cfd6828
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/452145
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-05-01 17:44:03 +00:00
Vitaliy Mysak
25df73f5d2 ocf: Add management context
Add structure vbdev_ocf_mngt_ctx that is going to be used
  for asynchronous management operations.
Using such context, dynamic memory allocations are no longer required
  (except for one time poller registration)

This patch also adds functions to modify context in a predictable way.
They are very important for complex flow of management operations in OCF bdev
  especially after whole OCF API gets changed to asynchronous.

Change-Id: Ia402d51665330a553f7f3d74000e3636f0d6a598
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/449556
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
2019-04-05 16:22:32 +00:00
Vitaliy Mysak
d1fee489a7 OCF: add OCF module
Add OCF module based on OCF meta-library
Open CAS Framwework (OCF) is high performance block storage
  caching meta-library
It is open-source, published at https://github.com/Open-CAS/ocf

With this patch OCF-enabled device is represented in SPDK
  as virtual bdev having core and caching devices as its base devices

This patch includes implementation of:
  * OCF top adapter          (vbdev_ocf.c)
  * OCF bottom adapter       (dobj.c, data.c)
  * Adaptation layer for OCF (env/)
  * OCF context abstractions (ctx.c)

Adaptation layer and context abstractions are not dependent on SPDK bdev

OCF bdev supports reads and writes, configured at startup
Other features will be added with separate patches

Change-Id: Ic2dcab378c8238d16f1e4b64d4374bdf257565bc
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/435708
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-01-28 09:41:52 +00:00