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nvme: support for multiple Command Sets Supported and Effects log pages

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The Commands Supported and Effects log page was extended with a CSI
field that enables the host to query the log page for each command set
supported. Retrieve this log page for each command set that an attached
namespace supports, and save a pointer to that log in the namespace head.

Reviewed-by: Matias Bjørling <matias.bjorling@wdc.com>
Reviewed-by: Javier González <javier.gonz@samsung.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Keith Busch <keith.busch@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Keith Busch
2020-06-29 12:06:40 -07:00
committed by Christoph Hellwig
parent 71010c3094
commit be93e87e78
6 changed files with 76 additions and 25 deletions
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4
include/linux/nvme.h
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@@ -1101,7 +1101,9 @@ struct nvme_get_log_page_command {
};
__le64 lpo;
};
__u32 rsvd14[2];
__u8 rsvd14[3];
__u8 csi;
__u32 rsvd15;
};
struct nvme_directive_cmd {