ceph/src/spdk/etc/spdk/vhost.conf.in

   1 # SPDK vhost configuration file
   2 #
   3 # Please write all parameters using ASCII.
   4 # The parameter must be quoted if it includes whitespace.
   5
   6 # Configuration syntax:
   7 # Leading whitespace is ignored.
   8 # Lines starting with '#' are comments.
   9 # Lines ending with '\' are concatenated with the next line.
  10 # Bracketed ([]) names define sections
  11
  12 [Global]
  13   # Instance ID for multi-process support
  14   # Default: 0
  15   #InstanceID 0
  16
  17   # Users can restrict work items to only run on certain cores by
  18   #  specifying a ReactorMask.  Default is to allow work items to run
  19   #  on core 0.
  20   #ReactorMask 0xFFFF
  21
  22   # Tracepoint group mask for spdk trace buffers
  23   # Default: 0x0 (all tracepoint groups disabled)
  24   # Set to 0xFFFFFFFFFFFFFFFF to enable all tracepoint groups.
  25   #TpointGroupMask 0x0
  26
  27   # syslog facility
  28    LogFacility "local7"
  29
  30 [Rpc]
  31   # Defines whether SPDK vhost will enable configuration via RPC.
  32   # Default is disabled.  Note that the RPC interface is not
  33   # authenticated, so users should be careful about enabling
  34   # RPC in non-trusted environments.
  35   Enable No
  36   # Listen address for the RPC service.
  37   # May be an IP address or an absolute path to a Unix socket.
  38   Listen 127.0.0.1
  39
  40 # Users may not want to use offload even it is available.
  41 # Users may use the whitelist to initialize specified devices, IDS
  42 #  uses BUS:DEVICE.FUNCTION to identify each Ioat channel.
  43 [Ioat]
  44   Disable Yes
  45   #Whitelist 00:04.0
  46   #Whitelist 00:04.1
  47
  48 # Users must change this section to match the /dev/sdX devices to be
  49 #  exported as vhost scsi drives. The devices are accessed using Linux AIO.
  50 [AIO]
  51   #AIO /dev/sdb
  52   #AIO /dev/sdc
  53
  54 # Users may change this section to create a different number or size of
  55 #  malloc LUNs.
  56 # If the system has hardware DMA engine, it will use an IOAT
  57 # (i.e. Crystal Beach DMA) channel to do the copy instead of memcpy.
  58 # Of course, users can disable offload even it is available.
  59 [Malloc]
  60   # Number of Malloc targets
  61   NumberOfLuns 3
  62   # Malloc targets are 128M
  63   LunSizeInMB 128
  64   # Block size. Default is 512 bytes.
  65   BlockSize 4096
  66
  67 # NVMe configuration options
  68 [Nvme]
  69   # NVMe Device Whitelist
  70   # Users may specify which NVMe devices to claim by their transport id.
  71   # See spdk_nvme_transport_id_parse() in spdk/nvme.h for the correct format.
  72   # The second argument is the assigned name, which can be referenced from
  73   # other sections in the configuration file. For NVMe devices, a namespace
  74   # is automatically appended to each name in the format <YourName>nY, where
  75   # Y is the NSID (starts at 1).
  76   TransportID "trtype:PCIe traddr:0000:00:00.0" Nvme0
  77   TransportID "trtype:PCIe traddr:0000:01:00.0" Nvme1
  78
  79   # The number of attempts per I/O when an I/O fails. Do not include
  80   # this key to get the default behavior.
  81   RetryCount 4
  82   # Timeout for each command, in seconds. If 0, don't track timeouts.
  83   Timeout 0
  84   # Action to take on command time out. Only valid when Timeout is greater
  85   # than 0. This may be 'Reset' to reset the controller, 'Abort' to abort
  86   # the command, or 'None' to just print a message but do nothing.
  87   # Admin command timeouts will always result in a reset.
  88   ActionOnTimeout None
  89   # Set how often the admin queue is polled for asynchronous events.
  90   # Units in microseconds.
  91   AdminPollRate 100000
  92
  93   # Enable handling of hotplug (runtime insert and remove) events
  94   # vhost currently does not support hotplug
  95   HotplugEnable No
  96
  97 # The Split virtual block device slices block devices into multiple smaller bdevs.
  98 [Split]
  99   # Syntax:
 100   #   Split <bdev> <count> [<size_in_megabytes>]
 101   #
 102   # Split Nvme1n1 into two equally-sized portions, Nvme1n1p0 and Nvme1n1p1
 103   #Split Nvme1n1 2
 104
 105   # Split Malloc2 into eight 1-megabyte portions, Malloc2p0 ... Malloc2p7,
 106   # leaving the rest of the device inaccessible
 107   #Split Malloc2 8 1
 108
 109 # Vhost scsi controller configuration
 110 # Users should change the VhostScsi section(s) below to match the desired
 111 # vhost configuration.
 112 # Name is minimum required
 113 [VhostScsi0]
 114   # Define name for controller
 115   Name vhost.0
 116   # Assign devices from backend
 117   # Use the first malloc device
 118   Dev 0 Malloc0
 119   # Use the first AIO device
 120   #Dev 1 AIO0
 121   # Use the frist Nvme device
 122   #Dev 2 Nvme0n1
 123   # Use the third partition from second Nvme device
 124   #Dev 3 Nvme1n1p2
 125
 126   # Start the poller for this vhost controller on one of the cores in
 127   #  this cpumask.  By default, it not specified, will use any core in the
 128   #  SPDK process.
 129   #Cpumask 0x1
 130
 131 #[VhostScsi1]
 132 #  Name vhost.1
 133 #  Dev0 AIO1
 134 #  Cpumask 0x1