Commit 45b6720b authored by sunshihao520's avatar sunshihao520 Committed by Tomasz Zawadzki
Browse files

nvme : Add OPTPERF definition to nvme_spec.h 



When ns set OPTPERF to 1, use NPWG and NPWA to set sectors_per_stripe.

Signed-off-by: default avatarsunshihao <sunshihao@huawei.com>
Change-Id: Iaf72ba5a7f21b33c357fba8deced9616e0bfaca6
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6613


Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 5bdaec63

CHANGELOG.md

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ Added `spdk_nvme_qpair_get_optimal_poll_group` function and `qpair_get_optimal_p 
function pointer in spdk_nvmf_transport_ops structure in order to add the qpair to the most

suitable polling group.



Add OPTPERF and namespace optimal performance fields to nvme_spec.h.



Added spdk_nvme_set_hotplug_filter API to allow applications to choose which

hot-inserted SSDs should be probed. This is useful for use cases where multiple

independent SPDK processes are running on one node.  The filter function can

include/spdk/nvme_spec.h

+20 −2
Original line number Diff line number Diff line
@@ -2295,7 +2295,10 @@ struct spdk_nvme_ns_data { 
		/** Non-zero NGUID and EUI64 for namespace are never reused */

		uint8_t		guid_never_reused : 1;



		uint8_t		reserved1 : 4;

		/** Optimal Performance field */

		uint8_t		optperf : 1;



		uint8_t		reserved1 : 3;

	} nsfeat;



	/** number of lba formats */
@@ -2444,7 +2447,22 @@ struct spdk_nvme_ns_data { 
	/** NVM capacity */

	uint64_t		nvmcap[2];



	uint8_t			reserved64[28];

	/** Namespace Preferred Write Granularity */

	uint16_t		npwg;



	/** Namespace Preferred Write Alignment */

	uint16_t                npwa;



	/** Namespace Preferred Deallocate Granularity */

	uint16_t                npdg;



	/** Namespace Preferred Deallocate Alignment */

	uint16_t                npda;



	/** Namespace Optimal Write Size */

	uint16_t                nows;



	uint8_t			reserved64[18];



	/** ANA group identifier */

	uint32_t		anagrpid;