Commit f76ca9a0 authored by Shuhei Matsumoto's avatar Shuhei Matsumoto Committed by Darek Stojaczyk
Browse files

nvme_spec: Add two macros to check status of command completion 



This patch adds two macros, spdk_nvme_cpl_is_success and
spdk_nvme_cpl_is_pi_error. The former will be used to check if
checked read completes normally, and the latter will be used to
know if PI verification should be done.

Change-Id: I425035c7f1e43284857181e0d815e3e001e82f4b
Signed-off-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/c/443340


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 742b8796

include/spdk/nvme_spec.h

+11 −2
Original line number Diff line number Diff line
@@ -2453,7 +2453,16 @@ struct spdk_nvme_fw_commit { 
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_fw_commit) == 4, "Incorrect size");



#define spdk_nvme_cpl_is_error(cpl)			\

	((cpl)->status.sc != 0 || (cpl)->status.sct != 0)

	((cpl)->status.sc != SPDK_NVME_SC_SUCCESS ||	\

	 (cpl)->status.sct != SPDK_NVME_SCT_GENERIC)



#define spdk_nvme_cpl_is_success(cpl)	(!spdk_nvme_cpl_is_error(cpl))



#define spdk_nvme_cpl_is_pi_error(cpl)						\

	((cpl)->status.sct == SPDK_NVME_SCT_MEDIA_ERROR &&			\

	 ((cpl)->status.sc == SPDK_NVME_SC_GUARD_CHECK_ERROR ||			\

	  (cpl)->status.sc == SPDK_NVME_SC_APPLICATION_TAG_CHECK_ERROR ||	\

	  (cpl)->status.sc == SPDK_NVME_SC_REFERENCE_TAG_CHECK_ERROR))



/** Enable protection information checking of the Logical Block Reference Tag field */

#define SPDK_NVME_IO_FLAGS_PRCHK_REFTAG (1U << 26)