nvme: move to a new drivers/nvme/host directory
This patch moves the NVMe driver from drivers/block/ to its own new
drivers/nvme/host/ directory. This is in preparation of splitting the
current monolithic driver up and add support for the upcoming NVMe
over Fabrics standard. The drivers/nvme/host/ is chose to leave space
for a NVMe target implementation in addition to this host side driver.
Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com>
[hch: rebased, renamed core.c to pci.c, slight tweaks]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 797236b..d104ec9 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7448,7 +7448,7 @@
L: linux-nvme@lists.infradead.org
T: git git://git.infradead.org/users/willy/linux-nvme.git
S: Supported
-F: drivers/block/nvme*
+F: drivers/nvme/host/
F: include/linux/nvme.h
NVMEM FRAMEWORK
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 46b4a8e..e69ec82a 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -18,6 +18,8 @@
source "drivers/block/Kconfig"
+source "drivers/nvme/Kconfig"
+
# misc before ide - BLK_DEV_SGIIOC4 depends on SGI_IOC4
source "drivers/misc/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index b250b36..42f9dd5 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -70,6 +70,7 @@
obj-y += macintosh/
obj-$(CONFIG_IDE) += ide/
obj-$(CONFIG_SCSI) += scsi/
+obj-y += nvme/
obj-$(CONFIG_ATA) += ata/
obj-$(CONFIG_TARGET_CORE) += target/
obj-$(CONFIG_MTD) += mtd/
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 1b8094d..29819e7 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -310,17 +310,6 @@
If unsure, say N.
-config BLK_DEV_NVME
- tristate "NVM Express block device"
- depends on PCI
- ---help---
- The NVM Express driver is for solid state drives directly
- connected to the PCI or PCI Express bus. If you know you
- don't have one of these, it is safe to answer N.
-
- To compile this driver as a module, choose M here: the
- module will be called nvme.
-
config BLK_DEV_SKD
tristate "STEC S1120 Block Driver"
depends on PCI
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 02b688d..6713290 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -22,7 +22,6 @@
obj-$(CONFIG_CDROM_PKTCDVD) += pktcdvd.o
obj-$(CONFIG_MG_DISK) += mg_disk.o
obj-$(CONFIG_SUNVDC) += sunvdc.o
-obj-$(CONFIG_BLK_DEV_NVME) += nvme.o
obj-$(CONFIG_BLK_DEV_SKD) += skd.o
obj-$(CONFIG_BLK_DEV_OSD) += osdblk.o
@@ -44,6 +43,5 @@
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk.o
obj-$(CONFIG_ZRAM) += zram/
-nvme-y := nvme-core.o nvme-scsi.o
skd-y := skd_main.o
swim_mod-y := swim.o swim_asm.o
diff --git a/drivers/nvme/Kconfig b/drivers/nvme/Kconfig
new file mode 100644
index 0000000..a39d943
--- /dev/null
+++ b/drivers/nvme/Kconfig
@@ -0,0 +1 @@
+source "drivers/nvme/host/Kconfig"
diff --git a/drivers/nvme/Makefile b/drivers/nvme/Makefile
new file mode 100644
index 0000000..9421e82
--- /dev/null
+++ b/drivers/nvme/Makefile
@@ -0,0 +1,2 @@
+
+obj-y += host/
diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig
new file mode 100644
index 0000000..0089f78
--- /dev/null
+++ b/drivers/nvme/host/Kconfig
@@ -0,0 +1,10 @@
+config BLK_DEV_NVME
+ tristate "NVM Express block device"
+ depends on PCI
+ ---help---
+ The NVM Express driver is for solid state drives directly
+ connected to the PCI or PCI Express bus. If you know you
+ don't have one of these, it is safe to answer N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called nvme.
diff --git a/drivers/nvme/host/Makefile b/drivers/nvme/host/Makefile
new file mode 100644
index 0000000..cfb6679
--- /dev/null
+++ b/drivers/nvme/host/Makefile
@@ -0,0 +1,4 @@
+
+obj-$(CONFIG_BLK_DEV_NVME) += nvme.o
+
+nvme-y += pci.o scsi.o
diff --git a/drivers/block/nvme.h b/drivers/nvme/host/nvme.h
similarity index 100%
rename from drivers/block/nvme.h
rename to drivers/nvme/host/nvme.h
diff --git a/drivers/block/nvme-core.c b/drivers/nvme/host/pci.c
similarity index 100%
rename from drivers/block/nvme-core.c
rename to drivers/nvme/host/pci.c
diff --git a/drivers/block/nvme-scsi.c b/drivers/nvme/host/scsi.c
similarity index 100%
rename from drivers/block/nvme-scsi.c
rename to drivers/nvme/host/scsi.c