Commit 76ebe01f authored by Uma Krishnan's avatar Uma Krishnan Committed by Martin K. Petersen
Browse files

scsi: cxlflash: Introduce OCXL backend 



Add initial infrastructure to support a new cxlflash transport, OCXL.

Claim a dependency on OCXL and add a new file, ocxl_hw.c, which will host the
backend routines that are specific to OCXL.

Signed-off-by: default avatarUma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: default avatarMatthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: default avatarAndrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent fb77e528

drivers/scsi/cxlflash/Kconfig

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@@ -4,7 +4,7 @@ 


config CXLFLASH

	tristate "Support for IBM CAPI Flash"

	depends on PCI && SCSI && CXL && EEH

	depends on PCI && SCSI && CXL && OCXL && EEH

	select IRQ_POLL

	default m

	help

drivers/scsi/cxlflash/Makefile

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obj-$(CONFIG_CXLFLASH) += cxlflash.o

cxlflash-y += main.o superpipe.o lunmgt.o vlun.o cxl_hw.o
 
cxlflash-y += main.o superpipe.o lunmgt.o vlun.o cxl_hw.o ocxl_hw.o

drivers/scsi/cxlflash/backend.h

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@@ -13,6 +13,7 @@ 
 */



extern const struct cxlflash_backend_ops cxlflash_cxl_ops;

extern const struct cxlflash_backend_ops cxlflash_ocxl_ops;



struct cxlflash_backend_ops {

	struct module *module;

drivers/scsi/cxlflash/ocxl_hw.c

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/*

 * CXL Flash Device Driver

 *

 * Written by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation

 *             Uma Krishnan <ukrishn@linux.vnet.ibm.com>, IBM Corporation

 *

 * Copyright (C) 2018 IBM Corporation

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version

 * 2 of the License, or (at your option) any later version.

 */



#include <misc/ocxl.h>



#include "backend.h"



/* Backend ops to ocxlflash services */

const struct cxlflash_backend_ops cxlflash_ocxl_ops = {

	.module			= THIS_MODULE,

};

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