Author: cem
Date: Sat Jun 4 03:54:30 2016
New Revision: 301297
URL: https://svnweb.freebsd.org/changeset/base/301297
Log:
ioat(4): Export the number of available channels
Sponsored by: EMC / Isilon Storage Division
Modified:
head/sys/dev/ioat/ioat.c
head/sys/dev/ioat/ioat.h
Modified: head/sys/dev/ioat/ioat.c
==============================================================================
--- head/sys/dev/ioat/ioat.c Sat Jun 4 03:52:19 2016 (r301296)
+++ head/sys/dev/ioat/ioat.c Sat Jun 4 03:54:30 2016 (r301297)
@@ -742,6 +742,13 @@ ioat_reset_hw_task(void *ctx, int pendin
/*
* User API functions
*/
+unsigned
+ioat_get_nchannels(void)
+{
+
+ return (ioat_channel_index);
+}
+
bus_dmaengine_t
ioat_get_dmaengine(uint32_t index, int flags)
{
Modified: head/sys/dev/ioat/ioat.h
==============================================================================
--- head/sys/dev/ioat/ioat.h Sat Jun 4 03:52:19 2016 (r301296)
+++ head/sys/dev/ioat/ioat.h Sat Jun 4 03:54:30 2016 (r301297)
@@ -85,6 +85,8 @@ typedef void *bus_dmaengine_t;
struct bus_dmadesc;
typedef void (*bus_dmaengine_callback_t)(void *arg, int error);
+unsigned ioat_get_nchannels(void);
+
/*
* Called first to acquire a reference to the DMA channel
*
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