examples/ioat: use always same lcore for enqueue/dequeue

[dpdk.git] / doc / guides / rawdevs / ntb.rst

diff --git a/doc/guides/rawdevs/ntb.rst b/doc/guides/rawdevs/ntb.rst
index aa7d809..2bb115d 100644 (file)
--- a/doc/guides/rawdevs/ntb.rst
+++ b/doc/guides/rawdevs/ntb.rst
@@ -14,28 +14,22 @@ allocation for the peer to access and read/write allocated memory from peer.
 Also, the PMD allows to use doorbell registers to notify the peer and share
 some information by using scratchpad registers.
 
 Also, the PMD allows to use doorbell registers to notify the peer and share
 some information by using scratchpad registers.
 

-BIOS setting on Intel Skylake
------------------------------
+BIOS setting on Intel Xeon
+--------------------------

 
 

-Intel Non-transparent Bridge needs special BIOS setting. Since the PMD only
-supports Intel Skylake platform, introduce BIOS setting here. The referencce
-is https://www.intel.com/content/dam/support/us/en/documents/server-products/Intel_Xeon_Processor_Scalable_Family_BIOS_User_Guide.pdf
+Intel Non-transparent Bridge needs special BIOS setting. The reference for
+Skylake is https://www.intel.com/content/dam/support/us/en/documents/server-products/Intel_Xeon_Processor_Scalable_Family_BIOS_User_Guide.pdf

 
 - Set the needed PCIe port as NTB to NTB mode on both hosts.
 
 - Set the needed PCIe port as NTB to NTB mode on both hosts.

-- Enable NTB bars and set bar size of bar 23 and bar 45 as 12-29 (2K-512M)
-  on both hosts. Note that bar size on both hosts should be the same.
+- Enable NTB bars and set bar size of bar 23 and bar 45 as 12-29 (4K-512M)
+  on both hosts (for Ice Lake, bar size can be set as 12-51, namely 4K-128PB).
+  Note that bar size on both hosts should be the same.

 - Disable split bars for both hosts.
 - Set crosslink control override as DSD/USP on one host, USD/DSP on
   another host.
 - Disable PCIe PII SSC (Spread Spectrum Clocking) for both hosts. This
   is a hardware requirement.
 
 - Disable split bars for both hosts.
 - Set crosslink control override as DSD/USP on one host, USD/DSP on
   another host.
 - Disable PCIe PII SSC (Spread Spectrum Clocking) for both hosts. This
   is a hardware requirement.
 

-Build Options
--------------
-
-- ``CONFIG_RTE_LIBRTE_PMD_NTB_RAWDEV`` (default ``y``)
-
-   Toggle compilation of the ``ntb`` driver.

 
 Device Setup
 ------------
 
 Device Setup
 ------------


@@ -151,4 +145,4 @@ like the following:
 Limitation
 ----------
 
 Limitation
 ----------
 

-- This PMD only supports Intel Skylake platform.
+- This PMD only supports Intel Skylake and Ice Lake platforms.