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| author | Ingo Molnar <mingo@kernel.org> | 2016-10-16 11:31:39 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-10-16 11:31:39 +0200 |
| commit | 1d33369db25eb7f37b7a8bd22d736888b4501a9c (patch) | |
| tree | 116d764339be1bca928870151decbedc53a9e1d1 /include/linux/t10-pi.h | |
| parent | 23446cb66c073b827779e5eb3dec301623299b32 (diff) | |
| parent | 1001354ca34179f3db924eb66672442a173147dc (diff) | |
| download | talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.tar.gz talos-op-linux-1d33369db25eb7f37b7a8bd22d736888b4501a9c.zip | |
Merge tag 'v4.9-rc1' into x86/urgent, to pick up updates
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/t10-pi.h')
| -rw-r--r-- | include/linux/t10-pi.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/t10-pi.h b/include/linux/t10-pi.h index dd8de82cf5b5..9fba9dd33544 100644 --- a/include/linux/t10-pi.h +++ b/include/linux/t10-pi.h @@ -5,6 +5,26 @@ #include <linux/blkdev.h> /* + * A T10 PI-capable target device can be formatted with different + * protection schemes. Currently 0 through 3 are defined: + * + * Type 0 is regular (unprotected) I/O + * + * Type 1 defines the contents of the guard and reference tags + * + * Type 2 defines the contents of the guard and reference tags and + * uses 32-byte commands to seed the latter + * + * Type 3 defines the contents of the guard tag only + */ +enum t10_dif_type { + T10_PI_TYPE0_PROTECTION = 0x0, + T10_PI_TYPE1_PROTECTION = 0x1, + T10_PI_TYPE2_PROTECTION = 0x2, + T10_PI_TYPE3_PROTECTION = 0x3, +}; + +/* * T10 Protection Information tuple. */ struct t10_pi_tuple { |
