scsi: ibmvfc: Define generic queue structure for CRQs

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The primary and async CRQs are nearly identical outside of the format and
length of each message entry in the dma mapped page that represents the
queue data. These queues can be represented with a generic queue structure
that uses a union to differentiate between message format of the mapped
page.

This structure will further be leveraged in a followup patcheset that
introduces Sub-CRQs.

Link: https://lore.kernel.org/r/20210106201835.1053593-2-tyreld@linux.ibm.com
Reviewed-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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Tyrel Datwyler 2021-01-06 14:18:31 -06:00 • committed by Martin K. Petersen

parent 867fdc2d6e

commit f8968665af

2 changed files with 107 additions and 62 deletions

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135

drivers/scsi/ibmvscsi/ibmvfc.c

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34

drivers/scsi/ibmvscsi/ibmvfc.h

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