Commit Graph

58 Commits

Author SHA1 Message Date
Shuhei Matsumoto
65e491a8de dif: Return DIF error information by struct at verification
Introduce a struct to collect DIF error information and pass
the reference to the struct to bit-flip error injection and
verification.

This change will make logging of DIF error and comparison between
injection and verification possible.

Change-Id: I43941f1a7f4b0ad1e8ff324f2ac8fad9e195a100
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/438023
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
2019-01-09 19:54:35 +00:00
Shuhei Matsumoto
18461cba7c dif: Clean-up APIs by introducing context data
This patch reduces the number of parameters of APIs by setting
necessary information to context struct and pass it to APIs.

This will simplify the code and will clarify the core logic.
Besides, by introducing context data, update of reference tag
is further consolidated.

Change-Id: I1b3eec596847eb4ef1cf43441035df21f746192a
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/438021
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2019-01-07 19:45:00 +00:00
Shuhei Matsumoto
c0839cc0c9 dif: Change check of metadata size
Metadata size was checked if it is not zero.
This patch changes the check to if it is not smaller than DIF field.

Change-Id: Ibdc38367091af2d07a8443bf6cda6b4b5a23306d
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/438363
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
2019-01-07 19:45:00 +00:00
Shuhei Matsumoto
a5e3d61d6b dif: handle the case that metadata is supported but DIF is not enabled as normal
The case that metadata is supported but DIF is not enabled was
handled as error. But the case is described as an normal case
in NVMe specification.

This patch changes the case to normal.

Besides a break was missing and added in this patch.

Change-Id: I784c36fed3b92da9ae5500d945f1dc20a2ca406b
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/438362
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: GangCao <gang.cao@intel.com>
Reviewed-by: wuzhouhui <wuzhouhui@kingsoft.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
2019-01-07 19:45:00 +00:00
Shuhei Matsumoto
f0e00ef287 dif: Inject bit-flip error for extended LBA payload
This patch adds APIs to inject bit flip error into any field
of the extended LBA payload.

Change-Id: I3ca601999e55ea6228bb525ac8c0744c7df32398
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/434292
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2018-12-20 17:52:29 +00:00
Shuhei Matsumoto
0a3cdcf3c3 dif: Factor out core logic to generate and verify DIF for each split block
This patch factors out the core logic to generate and verify DIF
for each split extended logical block.

This patch reduces nesting and clarify the core logic.

Change-Id: I6adf36fb86fafef8a4235021f77a1d99a0d63c8a
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/437795
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2018-12-20 17:52:29 +00:00
Shuhei Matsumoto
f9cbc493dc dif: Use simple helper functions to iterate iovec array
Introducing helper functions will simplify a little complex
implementation.

Change-Id: I94911497b8aecc0ffbd148519ce22501ef69c79d
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/435387
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
2018-12-20 17:52:29 +00:00
Shuhei Matsumoto
8b6c22b1a0 dif: Generate DIF for extended LBA payload
DIF and DIX will be supported in SPDK throughout, e.g., NVMe
driver, NVMe-oF initiator and target, NVMe block device, malloc
block device, SCSI, iSCSI target, FIO plugin, and Perf.

Generic and common APIs to generate and verify DIF and inject
bit flip error to any field will be helpful for them.

This patch is the first in the patch series.

This patch adds APIs to generate and verify DIF for SGL extended
LBA payload as byte alignement and granularity.

Change-Id: Ie6588d960113761f10efbf2d2a3cae004af37ce8
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/432261
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
2018-12-20 17:52:29 +00:00