Commit 535dd2ec authored by Tomasz Kulasek's avatar Tomasz Kulasek Committed by Tomasz Zawadzki
Browse files

lib/nvme: check if nvme device supports fused operations 



Change-Id: I91986f693bd322620a9e7abf598bcc38613bdbd0
Signed-off-by: default avatarTomasz Kulasek <tomaszx.kulasek@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/475859


Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarPaul Luse <paul.e.luse@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent ef8966fe

include/spdk/nvme.h

+1 −0
Original line number Diff line number Diff line
@@ -366,6 +366,7 @@ enum spdk_nvme_ctrlr_flags { 
	SPDK_NVME_CTRLR_SGL_SUPPORTED			= 0x1, /**< The SGL is supported */

	SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED	= 0x2, /**< security send/receive is supported */

	SPDK_NVME_CTRLR_WRR_SUPPORTED			= 0x4, /**< Weighted Round Robin is supported */

	SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED	= 0x8, /**< Compare and write fused operations supported */

};



/**

include/spdk/nvme_spec.h

+4 −1
Original line number Diff line number Diff line
@@ -1752,7 +1752,10 @@ struct __attribute__((packed)) __attribute__((aligned)) spdk_nvme_ctrlr_data { 
	} oncs;



	/** fused operation support */

	uint16_t		fuses;

	struct {

		uint16_t	compare_and_write : 1;

		uint16_t	reserved : 15;

	} fuses;



	/** format nvm attributes */

	struct {

lib/nvme/nvme_ctrlr.c

+5 −0
Original line number Diff line number Diff line
@@ -1235,6 +1235,11 @@ nvme_ctrlr_identify_done(void *arg, const struct spdk_nvme_cpl *cpl) 
		ctrlr->flags |= SPDK_NVME_CTRLR_SECURITY_SEND_RECV_SUPPORTED;

	}



	SPDK_DEBUGLOG(SPDK_LOG_NVME, "fuses compare and write: %d\n", ctrlr->cdata.fuses.compare_and_write);

	if (ctrlr->cdata.fuses.compare_and_write) {

		ctrlr->flags |= SPDK_NVME_CTRLR_COMPARE_AND_WRITE_SUPPORTED;

	}



	nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_SET_NUM_QUEUES,

			     ctrlr->opts.admin_timeout_ms);

}