NVMe: New driver

This driver is for devices that follow the NVM Express standard

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

Documentation/ioctl/ioctl-number.txt

@@ -149,6 +149,7 @@ Code  Seq#(hex)	Include File		Comments
 'M'	01-03	drivers/scsi/megaraid/megaraid_sas.h
 'M'	00-0F	drivers/video/fsl-diu-fb.h	conflict!
 'N'	00-1F	drivers/usb/scanner.h
+'N'	40-7F	drivers/block/nvme.c
 'O'     00-06   mtd/ubi-user.h		UBI
 'P'	all	linux/soundcard.h	conflict!
 'P'	60-6F	sound/sscape_ioctl.h	conflict!

drivers/block/Kconfig

@@ -315,6 +315,17 @@ config BLK_DEV_NBD
 
 	  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_OSD
 	tristate "OSD object-as-blkdev support"
 	depends on SCSI_OSD_ULD

drivers/block/Makefile

@@ -23,6 +23,7 @@ obj-$(CONFIG_XILINX_SYSACE)	+= xsysace.o
 obj-$(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_OSD)	+= osdblk.o
 
 obj-$(CONFIG_BLK_DEV_UMEM)	+= umem.o