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From: Max Gurtovoy <maxg@mellanox.com>
To: maxg@mellanox.com, linux-nvme@lists.infradead.org,
	kbusch@kernel.org, hch@lst.de, sagi@grimberg.me,
	martin.petersen@oracle.com, jsmart2021@gmail.com,
	axboe@kernel.dk
Cc: vladimirk@mellanox.com, shlomin@mellanox.com,
	israelr@mellanox.com, idanb@mellanox.com, oren@mellanox.com,
	nitzanc@mellanox.com
Subject: [PATCH 13/16] nvme: add Metadata Capabilities enumerations
Date: Mon,  4 May 2020 18:57:52 +0300	[thread overview]
Message-ID: <20200504155755.221125-14-maxg@mellanox.com> (raw)
In-Reply-To: <20200504155755.221125-1-maxg@mellanox.com>

From: Israel Rukshin <israelr@mellanox.com>

The enumerations will be used to expose the namespace metadata format by
the target.

Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/nvme.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 3d5189f..57c1b6b 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -412,6 +412,12 @@ enum {
 	NVME_NS_DPS_PI_TYPE3	= 3,
 };
 
+/* Identify Namespace Metadata Capabilities (MC): */
+enum {
+	NVME_MC_EXTENDED_LBA	= (1 << 0),
+	NVME_MC_METADATA_PTR	= (1 << 1),
+};
+
 struct nvme_ns_id_desc {
 	__u8 nidt;
 	__u8 nidl;
-- 
1.8.3.1


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  parent reply	other threads:[~2020-05-04 17:00 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04 15:57 [PATCH 00/16 v7] nvme-rdma/nvmet-rdma: Add metadata/T10-PI support Max Gurtovoy
2020-05-04 15:57 ` [PATCH 01/16] block: always define struct blk_integrity in genhd.h Max Gurtovoy
2020-05-14  2:51   ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 02/16] nvme: introduce namespace features flag Max Gurtovoy
2020-05-04 23:59   ` James Smart
2020-05-14  2:52   ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 03/16] nvme: introduce NVME_NS_METADATA_SUPPORTED flag Max Gurtovoy
2020-05-05 23:33   ` James Smart
2020-05-06  8:39     ` Max Gurtovoy
2020-05-06 20:44       ` James Smart
2020-05-07  9:02         ` Max Gurtovoy
2020-05-11 23:50           ` James Smart
2020-05-13 18:18             ` Christoph Hellwig
2020-05-13 19:53               ` James Smart
2020-05-14  2:53   ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 04/16] nvme: make nvme_ns_has_pi accessible to transports Max Gurtovoy
2020-05-14  2:53   ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 05/16] nvme: introduce max_integrity_segments ctrl attribute Max Gurtovoy
2020-05-05 23:51   ` James Smart
2020-05-06  7:08     ` Christoph Hellwig
2020-05-13 19:04   ` James Smart
2020-05-04 15:57 ` [PATCH 06/16] nvme: enforce extended LBA format for fabrics metadata Max Gurtovoy
2020-05-13 19:03   ` James Smart
2020-05-14  2:56     ` Martin K. Petersen
2020-05-14  8:28       ` Max Gurtovoy
2020-05-14  8:15     ` Max Gurtovoy
2020-05-04 15:57 ` [PATCH 07/16] nvme: introduce NVME_INLINE_METADATA_SG_CNT Max Gurtovoy
2020-05-13 19:05   ` James Smart
2020-05-04 15:57 ` [PATCH 08/16] nvme-rdma: introduce nvme_rdma_sgl structure Max Gurtovoy
2020-05-04 15:57 ` [PATCH 09/16] nvme-rdma: add metadata/T10-PI support Max Gurtovoy
2020-05-05  6:12   ` Christoph Hellwig
2020-05-14  3:02   ` Martin K. Petersen
2020-05-14  8:48     ` Max Gurtovoy
2020-05-14 22:40       ` Martin K. Petersen
2020-05-15 14:50         ` Max Gurtovoy
2020-05-18 17:22           ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 10/16] nvmet: add metadata characteristics for a namespace Max Gurtovoy
2020-05-13 19:25   ` James Smart
2020-05-14  3:06     ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 11/16] nvmet: rename nvmet_rw_len to nvmet_rw_data_len Max Gurtovoy
2020-05-13 19:25   ` James Smart
2020-05-04 15:57 ` [PATCH 12/16] nvmet: rename nvmet_check_data_len to nvmet_check_transfer_len Max Gurtovoy
2020-05-13 19:27   ` James Smart
2020-05-04 15:57 ` Max Gurtovoy [this message]
2020-05-13 19:27   ` [PATCH 13/16] nvme: add Metadata Capabilities enumerations James Smart
2020-05-14  3:07   ` Martin K. Petersen
2020-05-04 15:57 ` [PATCH 14/16] nvmet: add metadata/T10-PI support Max Gurtovoy
2020-05-13 19:51   ` James Smart
2020-05-14 15:09     ` Max Gurtovoy
2020-05-14 15:37       ` James Smart
2020-05-04 15:57 ` [PATCH 15/16] nvmet: add metadata support for block devices Max Gurtovoy
2020-05-04 15:57 ` [PATCH 16/16] nvmet-rdma: add metadata/T10-PI support Max Gurtovoy
2020-05-14  3:10   ` Martin K. Petersen
2020-05-14  8:55     ` Max Gurtovoy
2020-05-05  6:13 ` [PATCH 00/16 v7] nvme-rdma/nvmet-rdma: Add " Christoph Hellwig
2020-05-14 15:55   ` Max Gurtovoy
  -- strict thread matches above, loose matches on Subject: below --
2020-05-19 14:05 [PATCH 00/16 v8] " Max Gurtovoy
2020-05-19 14:06 ` [PATCH 13/16] nvme: add Metadata Capabilities enumerations Max Gurtovoy
2019-12-02 14:47 [PATCH 00/16 V2] nvme-rdma/nvmet-rdma: Add metadata/T10-PI support Max Gurtovoy
2019-12-02 14:48 ` [PATCH 13/16] nvme: Add Metadata Capabilities enumerations Max Gurtovoy

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