[dpdk-dev] [PATCH v6 1/8] qede: Add maintainers, documentation and license

Rasesh Mody rasesh.mody at qlogic.com
Tue Apr 26 07:12:59 CEST 2016


Signed-off-by: Harish Patil <harish.patil at qlogic.com>
Signed-off-by: Rasesh Mody <rasesh.mody at qlogic.com>
Signed-off-by: Sony Chacko <sony.chacko at qlogic.com>
---
 MAINTAINERS                       |    7 +
 doc/guides/nics/index.rst         |    1 +
 doc/guides/nics/overview.rst      |   86 +++++-----
 doc/guides/nics/qede.rst          |  314 +++++++++++++++++++++++++++++++++++++
 drivers/net/qede/LICENSE.qede_pmd |   28 ++++
 5 files changed, 393 insertions(+), 43 deletions(-)
 create mode 100644 doc/guides/nics/qede.rst
 create mode 100644 drivers/net/qede/LICENSE.qede_pmd

diff --git a/MAINTAINERS b/MAINTAINERS
index 1953ea2..ba4053a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -332,6 +332,13 @@ M: Rasesh Mody <rasesh.mody at qlogic.com>
 F: drivers/net/bnx2x/
 F: doc/guides/nics/bnx2x.rst
 
+QLogic qede PMD
+M: Harish Patil <harish.patil at qlogic.com>
+M: Rasesh Mody <rasesh.mody at qlogic.com>
+M: Sony Chacko <sony.chacko at qlogic.com>
+F: drivers/net/qede/
+F: doc/guides/nics/qede.rst
+
 RedHat virtio
 M: Huawei Xie <huawei.xie at intel.com>
 M: Yuanhan Liu <yuanhan.liu at linux.intel.com>
diff --git a/doc/guides/nics/index.rst b/doc/guides/nics/index.rst
index 769f677..d67f056 100644
--- a/doc/guides/nics/index.rst
+++ b/doc/guides/nics/index.rst
@@ -53,6 +53,7 @@ Network Interface Controller Drivers
     vhost
     vmxnet3
     pcap_ring
+    qede
 
 **Figures**
 
diff --git a/doc/guides/nics/overview.rst b/doc/guides/nics/overview.rst
index ed116e3..955887b 100644
--- a/doc/guides/nics/overview.rst
+++ b/doc/guides/nics/overview.rst
@@ -74,40 +74,40 @@ Most of these differences are summarized below.
 
 .. table:: Features availability in networking drivers
 
-   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
-   Feature              a b b b c e e e i i i i i i i i i i f f f f m m m n n p r s v v v v x
-                        f n n o x 1 n n 4 4 4 4 g g x x x x m m m m l l p f u c i z h i i m e
-                        p x x n g 0 a i 0 0 0 0 b b g g g g 1 1 1 1 x x i p l a n e o r r x n
-                        a 2 2 d b 0   c e e e e   v b b b b 0 0 0 0 4 5 p   l p g d s t t n v
-                        c x x i e 0       . v v   f e e e e k k k k     e         a t i i e i
-                        k   v n           . f f       . v v   . v v               t   o o t r
-                        e   f g           .   .       . f f   . f f               a     . 3 t
-                        t                 v   v       v   v   v   v               2     v
-                                          e   e       e   e   e   e                     e
-                                          c   c       c   c   c   c                     c
-   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+   Feature              a b b b c e e e i i i i i i i i i i f f f f m m m n n p q q r s v v v v x
+                        f n n o x 1 n n 4 4 4 4 g g x x x x m m m m l l p f u c e e i z h i i m e
+                        p x x n g 0 a i 0 0 0 0 b b g g g g 1 1 1 1 x x i p l a d d n e o r r x n
+                        a 2 2 d b 0   c e e e e   v b b b b 0 0 0 0 4 5 p   l p e e g d s t t n v
+                        c x x i e 0       . v v   f e e e e k k k k     e         v   a t i i e i
+                        k   v n           . f f       . v v   . v v               f   t   o o t r
+                        e   f g           .   .       . f f   . f f                   a     . 3 t
+                        t                 v   v       v   v   v   v                   2     v
+                                          e   e       e   e   e   e                         e
+                                          c   c       c   c   c   c                         c
+   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
    speed capabilities
-   link status            X X   X X   X X X     X   X X X X         X X           X X X X
-   link status event      X X     X     X X     X   X X             X X             X
-   queue status event                                                               X
+   link status            X X   X X   X X X     X   X X X X         X X         X X   X X X X
+   link status event      X X     X     X X     X   X X             X X         X X     X
+   queue status event                                                                   X
    Rx interrupt                   X     X X X X X X X X X X X X X X
-   queue start/stop             X   X X X X X X     X X     X X X X X X           X   X X
+   queue start/stop             X   X X X X X X     X X     X X X X X X               X   X X
    MTU update                   X X X           X   X X X X         X X
-   jumbo frame                  X X X X X X X X X   X X X X X X X X X X       X
-   scattered Rx                 X X X   X X X X X X X X X X X X X X X X           X   X
+   jumbo frame                  X X X X X X X X X   X X X X X X X X X X       X X X
+   scattered Rx                 X X X   X X X X X X X X X X X X X X X X               X   X
    LRO                                              X X X X
    TSO                          X   X   X X X X X X X X X X X X X X
-   promiscuous mode       X X   X X   X X X X X X X X X     X X     X X           X   X X
-   allmulticast mode            X X     X X X X X X X X X X X X     X X           X   X X
-   unicast MAC filter     X X     X   X X X X X X X X X X X X X     X X               X X
-   multicast MAC filter   X X         X X X X X             X X     X X               X X
-   RSS hash                     X   X X X X X X X   X X X X X X X X X X
+   promiscuous mode       X X   X X   X X X X X X X X X     X X     X X         X X   X   X X
+   allmulticast mode            X X     X X X X X X X X X X X X     X X         X X   X   X X
+   unicast MAC filter     X X     X   X X X X X X X X X X X X X     X X         X X       X X
+   multicast MAC filter   X X         X X X X X             X X     X X         X X       X X
+   RSS hash                     X   X X X X X X X   X X X X X X X X X X         X X
    RSS key update                   X   X X X X X   X X X X X X X X   X
    RSS reta update                  X   X X X X X   X X X X X X X X   X
    VMDq                                 X X     X   X X     X X
-   SR-IOV                   X       X   X X     X   X X             X X
+   SR-IOV                   X       X   X X     X   X X             X X           X
    DCB                                  X X     X   X X
-   VLAN filter                    X   X X X X X X X X X X X X X     X X               X X
+   VLAN filter                    X   X X X X X X X X X X X X X     X X         X X       X X
    ethertype filter                     X X     X   X X
    n-tuple filter                               X   X X
    SYN filter                                   X   X X
@@ -115,35 +115,35 @@ Most of these differences are summarized below.
    flexible filter                              X
    hash filter                          X X X X
    flow director                        X X         X X               X
-   flow control                 X X     X X     X   X X
+   flow control                 X X     X X     X   X X                         X X
    rate limitation                                  X X
    traffic mirroring                    X X         X X
-   CRC offload                  X X X X X   X   X X X   X   X X X X   X
-   VLAN offload                 X X X X X   X   X X X   X   X X X X   X
+   CRC offload                  X X X X X   X   X X X   X   X X X X   X         X X
+   VLAN offload                 X X X X X   X   X X X   X   X X X X   X         X X
    QinQ offload                   X     X   X   X X X   X
    L3 checksum offload          X X X X X   X   X X X   X   X X X X X X
    L4 checksum offload          X X X X X   X   X X X   X   X X X X X X
    inner L3 checksum                X   X   X       X   X           X
    inner L4 checksum                X   X   X       X   X           X
-   packet type parsing          X     X X   X   X X X   X   X X X X X X
+   packet type parsing          X     X X   X   X X X   X   X X X X X X         X X
    timesync                             X X     X   X X
-   basic stats            X X   X X X X X X X X X X X X X X X X X X X X       X   X X X X
-   extended stats                   X   X X X X X X X X X X X X X X                   X X
-   stats per queue              X                   X X     X X X X X X           X   X X
+   basic stats            X X   X X X X X X X X X X X X X X X X X X X X       X X X   X X X X
+   extended stats                   X   X X X X X X X X X X X X X X                       X X
+   stats per queue              X                   X X     X X X X X X         X X   X   X X
    EEPROM dump                                  X   X X
    registers dump                               X X X X X X
-   multiprocess aware                   X X X X     X X X X X X X X X X       X
-   BSD nic_uio                  X X   X X X X X X X X X X X X X X X                   X X
-   Linux UIO              X X   X X X X X X X X X X X X X X X X X X                   X X
-   Linux VFIO                   X X   X X X X X X X X X X X X X X X                   X X
-   other kdrv                                                       X X           X
-   ARMv7                                                                      X       X X
-   ARMv8                                                                      X       X X
+   multiprocess aware                   X X X X     X X X X X X X X X X       X X X
+   BSD nic_uio                  X X   X X X X X X X X X X X X X X X                       X X
+   Linux UIO              X X   X X X X X X X X X X X X X X X X X X             X X       X X
+   Linux VFIO                   X X   X X X X X X X X X X X X X X X             X X       X X
+   other kdrv                                                       X X               X
+   ARMv7                                                                      X           X X
+   ARMv8                                                                      X           X X
    Power8                                                           X X       X
    TILE-Gx                                                                    X
-   x86-32                       X X X X X X X X X X X X X X X X X X X X       X     X X X
-   x86-64                 X X   X X X X X X X X X X X X X X X X X X X X       X   X X X X
-   usage doc              X X   X     X                             X X       X   X   X
+   x86-32                       X X X X X X X X X X X X X X X X X X X X       X         X X X
+   x86-64                 X X   X X X X X X X X X X X X X X X X X X X X       X X X   X X X X
+   usage doc              X X   X     X                             X X       X X X   X   X
    design doc
    perf doc
-   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+   ==================== = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst
new file mode 100644
index 0000000..cb4b9cb
--- /dev/null
+++ b/doc/guides/nics/qede.rst
@@ -0,0 +1,314 @@
+..  BSD LICENSE
+    Copyright (c) 2016 QLogic Corporation
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    * Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in
+    the documentation and/or other materials provided with the
+    distribution.
+    * Neither the name of QLogic Corporation nor the names of its
+    contributors may be used to endorse or promote products derived
+    from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+QEDE Poll Mode Driver
+======================
+
+The QEDE poll mode driver library (**librte_pmd_qede**) implements support
+for **QLogic FastLinQ QL4xxxx 25G/40G CNA** family of adapters as well
+as their virtual functions (VF) in SR-IOV context. It is supported on
+several standard Linux distros like RHEL7.x, SLES12.x and Ubuntu.
+It is compile-tested under FreeBSD OS.
+
+More information can be found at `QLogic Corporation's Website
+<http://www.qlogic.com>`_.
+
+Supported Features
+------------------
+
+- Unicast/Multicast filtering
+- Promiscuous mode
+- Allmulti mode
+- Port hardware statistics
+- Jumbo frames (using single buffer)
+- VLAN offload - Filtering and stripping
+- Stateless checksum offloads (IPv4/TCP/UDP)
+- Multiple Rx/Tx queues (queue-pairs)
+- RSS (with default table/key)
+- TSS
+- Multiple MAC address
+- Default pause flow control
+- SR-IOV VF
+
+Non-supported Features
+----------------------
+
+- Scatter-Gather Rx/Tx frames
+- User configurable RETA table/key
+- Unequal number of Rx/Tx queues
+- MTU change (dynamic)
+- SR-IOV PF
+- Tunneling offloads
+- Reload of the PMD after a non-graceful termination
+
+Supported QLogic Adapters
+-------------------------
+
+- QLogic FastLinQ QL4xxxx 25G/40G CNAs
+
+Prerequisites
+-------------
+
+- Requires firmware version **8.7.x. ** and management
+  firmware version **8.7.x or higher**. Firmware may be available
+  inbox in certain newer Linux distros under the standard directory
+  E.g. /lib/firmware/qed/qed_init_values_zipped-8.7.7.0.bin
+
+- If the required firmware files are not available then visit
+  `QLogic Driver Download Center <http://driverdownloads.qlogic.com>`
+
+- This driver relies on external zlib library (-lz) for uncompressing
+  the firmware file.
+
+Performance note
+~~~~~~~~~~~~~~~~
+
+- For better performance, it is recommended to use 4K or higher RX/TX rings.
+
+Config File Options
+~~~~~~~~~~~~~~~~~~~
+
+The following options can be modified in the ``.config`` file. Please note that
+enabling debugging options may affect system performance.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_PMD`` (default **y**)
+
+  Toggle compilation of QEDE PMD driver.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_DEBUG_INFO`` (default **n**)
+
+  Toggle display of generic debugging messages.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_DEBUG_DRV`` (default **n**)
+
+  Toggle display of ecore related messages.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_DEBUG_TX`` (default **n**)
+
+  Toggle display of transmit fast path run-time messages.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_DEBUG_RX`` (default **n**)
+
+  Toggle display of receive fast path run-time messages.
+
+- ``CONFIG_RTE_LIBRTE_QEDE_FW`` (default **""**)
+
+  Gives absolute path of firmware file.
+  Eg: "/lib/firmware/qed/qed_init_values_zipped-8.7.7.0.bin"
+  Empty string indicates driver will pick up the firmware file
+  from the default location.
+
+Driver Compilation
+~~~~~~~~~~~~~~~~~~
+
+To compile QEDE PMD for Linux x86_64 gcc target, run the following "make"
+command::
+
+   cd <DPDK-source-directory>
+   make config T=x86_64-native-linuxapp-gcc install
+
+To compile QEDE PMD for Linux x86_64 clang target, run the following "make"
+command::
+
+   cd <DPDK-source-directory>
+   make config T=x86_64-native-linuxapp-clang install
+
+To compile QEDE PMD for FreeBSD x86_64 clang target, run the following "gmake"
+command::
+
+   cd <DPDK-source-directory>
+   gmake config T=x86_64-native-bsdapp-clang install
+
+To compile QEDE PMD for FreeBSD x86_64 gcc target, run the following "gmake"
+command::
+
+   cd <DPDK-source-directory>
+   gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=\
+                                        /usr/local/lib/gcc48 CC=gcc48
+
+
+Sample Application Notes
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section demonstrates how to launch ``testpmd`` with QLogic 4xxxx
+devices managed by ``librte_pmd_qede`` in Linux operating system.
+
+#. Request huge pages:
+
+   .. code-block:: console
+
+      echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages/ \
+                                                                nr_hugepages
+
+#. Load ``igb_uio`` driver:
+
+   .. code-block:: console
+
+      insmod ./x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
+
+#. Bind the QLogic 4xxxx adapters to ``igb_uio`` loaded in the
+   previous step::
+
+   .. code-block:: console
+      ./tools/dpdk_nic_bind.py --bind igb_uio 0000:84:00.0 0000:84:00.1 \
+                                              0000:84:00.2 0000:84:00.3
+
+#. Start ``testpmd`` with basic parameters:
+   (Enable QEDE_DEBUG_INFO=y to view informational messages)
+
+   .. code-block:: console
+
+      testpmd -c 0xff1 -n 4 -- -i --nb-cores=8 --portmask=0xf --rxd=4096 \
+      --txd=4096 --txfreet=4068 --enable-rx-cksum --rxq=4 --txq=4 \
+      --rss-ip --rss-udp
+
+      [...]
+
+    EAL: PCI device 0000:84:00.0 on NUMA socket 1
+    EAL:   probe driver: 1077:1634 rte_qede_pmd
+    EAL:   Not managed by a supported kernel driver, skipped
+    EAL: PCI device 0000:84:00.1 on NUMA socket 1
+    EAL:   probe driver: 1077:1634 rte_qede_pmd
+    EAL:   Not managed by a supported kernel driver, skipped
+    EAL: PCI device 0000:88:00.0 on NUMA socket 1
+    EAL:   probe driver: 1077:1656 rte_qede_pmd
+    EAL:   PCI memory mapped at 0x7f738b200000
+    EAL:   PCI memory mapped at 0x7f738b280000
+    EAL:   PCI memory mapped at 0x7f738b300000
+    PMD: Chip details : BB1
+    PMD: Driver version : QEDE PMD 8.7.9.0_1.0.0
+    PMD: Firmware version : 8.7.7.0
+    PMD: Management firmware version : 8.7.8.0
+    PMD: Firmware file : /lib/firmware/qed/qed_init_values_zipped-8.7.7.0.bin
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_common_dev_init:macaddr \
+                                                        00:0e:1e:d2:09:9c
+      [...]
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_tx_queue_setup:txq 0 num_desc 4096 \
+                                                tx_free_thresh 4068 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_tx_queue_setup:txq 1 num_desc 4096 \
+                                                tx_free_thresh 4068 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_tx_queue_setup:txq 2 num_desc 4096 \
+                                                 tx_free_thresh 4068 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_tx_queue_setup:txq 3 num_desc 4096 \
+                                                 tx_free_thresh 4068 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_rx_queue_setup:rxq 0 num_desc 4096 \
+                                                rx_buf_size=2148 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_rx_queue_setup:rxq 1 num_desc 4096 \
+                                                rx_buf_size=2148 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_rx_queue_setup:rxq 2 num_desc 4096 \
+                                                rx_buf_size=2148 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_rx_queue_setup:rxq 3 num_desc 4096 \
+                                                rx_buf_size=2148 socket 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_dev_start:port 0
+    [QEDE PMD: (84:00.0:dpdk-port-0)]qede_dev_start:link status: down
+      [...]
+    Checking link statuses...
+    Port 0 Link Up - speed 25000 Mbps - full-duplex
+    Port 1 Link Up - speed 25000 Mbps - full-duplex
+    Port 2 Link Up - speed 25000 Mbps - full-duplex
+    Port 3 Link Up - speed 25000 Mbps - full-duplex
+    Done
+    testpmd>
+
+
+SR-IOV: Prerequisites and Sample Application Notes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section provides instructions to configure SR-IOV with Linux OS.
+
+**Note**: librte_pmd_qede will be used to bind to SR-IOV VF device and
+        Linux native kernel driver (QEDE) will function as SR-IOV PF driver.
+
+#. Verify SR-IOV and ARI capability is enabled on the adapter using ``lspci``:
+
+   .. code-block:: console
+
+      lspci -s <slot> -vvv
+
+   Example output:
+
+   .. code-block:: console
+
+      [...]
+      Capabilities: [1b8 v1] Alternative Routing-ID Interpretation (ARI)
+      [...]
+      Capabilities: [1c0 v1] Single Root I/O Virtualization (SR-IOV)
+      [...]
+      Kernel driver in use: igb_uio
+
+#. Load the kernel module:
+
+   .. code-block:: console
+
+      modprobe qede
+
+   Example output:
+
+   .. code-block:: console
+
+      systemd-udevd[4848]: renamed network interface eth0 to ens5f0
+      systemd-udevd[4848]: renamed network interface eth1 to ens5f1
+
+#. Bring up the PF ports:
+
+   .. code-block:: console
+
+      ifconfig ens5f0 up
+      ifconfig ens5f1 up
+
+#. Create VF device(s):
+
+   Echo the number of VFs to be created into "sriov_numvfs" sysfs entry
+   of the parent PF.
+
+   Example output:
+
+   .. code-block:: console
+
+      echo 2 > /sys/devices/pci0000:00/0000:00:03.0/0000:81:00.0/sriov_numvfs
+
+
+#. Assign VF MAC address:
+
+   Assign MAC address to the VF using iproute2 utility. The syntax is::
+      ip link set <PF iface> vf <VF id> mac <macaddr>
+
+   Example output:
+
+   .. code-block:: console
+
+      ip link set ens5f0 vf 0 mac 52:54:00:2f:9d:e8
+
+
+#. PCI Passthrough:
+
+   The VF devices may be passed through to the guest VM using virt-manager or
+   virsh. QEDE PMD should be used to bind the VF devices in the guest VM
+   using the instructions outlined in the Application notes above.
diff --git a/drivers/net/qede/LICENSE.qede_pmd b/drivers/net/qede/LICENSE.qede_pmd
new file mode 100644
index 0000000..c7cbdcc
--- /dev/null
+++ b/drivers/net/qede/LICENSE.qede_pmd
@@ -0,0 +1,28 @@
+/*
+ * BSD LICENSE
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of QLogic Corporation nor the name of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written consent.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
-- 
1.7.10.3



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