svn commit: r355111 - stable/12/sys/dev/ioat

[Alexander Motin]

Author: mav
Date: Tue Nov 26 15:23:24 2019
New Revision: 355111
URL: https://svnweb.freebsd.org/changeset/base/355111

Log:
  MFC r354841: Add ioat_get_domain() to ioat(4) KPI.
  
  This allows NUMA-aware consumers to reduce inter-domain traffic.

Modified:
  stable/12/sys/dev/ioat/ioat.c
  stable/12/sys/dev/ioat/ioat.h
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/ioat/ioat.c
==============================================================================
--- stable/12/sys/dev/ioat/ioat.c	Tue Nov 26 15:21:01 2019	(r355110)
+++ stable/12/sys/dev/ioat/ioat.c	Tue Nov 26 15:23:24 2019	(r355111)
@@ -923,6 +923,15 @@ ioat_get_capabilities(bus_dmaengine_t dmaengine)
 }
 
 int
+ioat_get_domain(bus_dmaengine_t dmaengine, int *domain)
+{
+	struct ioat_softc *ioat;
+
+	ioat = to_ioat_softc(dmaengine);
+	return (bus_get_domain(ioat->device, domain));
+}
+
+int
 ioat_set_interrupt_coalesce(bus_dmaengine_t dmaengine, uint16_t delay)
 {
 	struct ioat_softc *ioat;

Modified: stable/12/sys/dev/ioat/ioat.h
==============================================================================
--- stable/12/sys/dev/ioat/ioat.h	Tue Nov 26 15:21:01 2019	(r355110)
+++ stable/12/sys/dev/ioat/ioat.h	Tue Nov 26 15:23:24 2019	(r355111)
@@ -131,6 +131,7 @@ void ioat_put_dmaengine(bus_dmaengine_t dmaengine);
 int ioat_get_hwversion(bus_dmaengine_t dmaengine);
 size_t ioat_get_max_io_size(bus_dmaengine_t dmaengine);
 uint32_t ioat_get_capabilities(bus_dmaengine_t dmaengine);
+int ioat_get_domain(bus_dmaengine_t dmaengine, int *domain);
 
 /*
  * Set interrupt coalescing on a DMA channel.