diff options
author | Uma Krishnan <ukrishn@linux.vnet.ibm.com> | 2018-03-26 11:30:51 -0500 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-04-18 19:32:47 -0400 |
commit | 76ebe01fce11d905e9816f6b6f4293d751823c5f (patch) | |
tree | dff4931b2e2b5f391b9ac61f9d1e37603489750d | |
parent | fb77e52804afc51a1988438215197d1395fd1a95 (diff) |
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: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r-- | drivers/scsi/cxlflash/Kconfig | 2 | ||||
-rw-r--r-- | drivers/scsi/cxlflash/Makefile | 2 | ||||
-rw-r--r-- | drivers/scsi/cxlflash/backend.h | 1 | ||||
-rw-r--r-- | drivers/scsi/cxlflash/ocxl_hw.c | 22 |
4 files changed, 25 insertions, 2 deletions
diff --git a/drivers/scsi/cxlflash/Kconfig b/drivers/scsi/cxlflash/Kconfig index a011c5dbf214..e2a3a1ba26fa 100644 --- a/drivers/scsi/cxlflash/Kconfig +++ b/drivers/scsi/cxlflash/Kconfig @@ -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 diff --git a/drivers/scsi/cxlflash/Makefile b/drivers/scsi/cxlflash/Makefile index 7ec3f6b55dde..5124c68f8d88 100644 --- a/drivers/scsi/cxlflash/Makefile +++ b/drivers/scsi/cxlflash/Makefile @@ -1,2 +1,2 @@ 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 diff --git a/drivers/scsi/cxlflash/backend.h b/drivers/scsi/cxlflash/backend.h index 7b721497ae22..a60f0516090b 100644 --- a/drivers/scsi/cxlflash/backend.h +++ b/drivers/scsi/cxlflash/backend.h @@ -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; diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c new file mode 100644 index 000000000000..58a31822d936 --- /dev/null +++ b/drivers/scsi/cxlflash/ocxl_hw.c @@ -0,0 +1,22 @@ +/* + * 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, +}; |