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authorSudeep Dutt <sudeep.dutt@intel.com>2015-04-29 05:32:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-24 12:13:37 -0700
commit74321d4c99fc1d2582085cbb614d5a3ea9da962d (patch)
tree903b803d6a3ce4f7d49348b18b357dc69b4d4102 /drivers/misc/mic/host/mic_device.h
parentfdd9fd5c38afe732258a0af4c6be14f3fbd1585c (diff)
downloadlinux-74321d4c99fc1d2582085cbb614d5a3ea9da962d.tar.bz2
misc: mic: MIC host driver specific changes to enable SCIF
MIC host driver specific changes to enable SCIF. This patch implements the SCIF hardware bus operations and registers a SCIF device on the SCIF hardware bus. Reviewed-by: Nikhil Rao <nikhil.rao@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Signed-off-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mic/host/mic_device.h')
-rw-r--r--drivers/misc/mic/host/mic_device.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/misc/mic/host/mic_device.h b/drivers/misc/mic/host/mic_device.h
index 016bd15a7bd1..01a7555aa648 100644
--- a/drivers/misc/mic/host/mic_device.h
+++ b/drivers/misc/mic/host/mic_device.h
@@ -27,7 +27,7 @@
#include <linux/irqreturn.h>
#include <linux/dmaengine.h>
#include <linux/mic_bus.h>
-
+#include "../bus/scif_bus.h"
#include "mic_intr.h"
/* The maximum number of MIC devices supported in a single host system. */
@@ -90,7 +90,9 @@ enum mic_stepping {
* @vdev_list: list of virtio devices.
* @pm_notifier: Handles PM notifications from the OS.
* @dma_mbdev: MIC BUS DMA device.
- * @dma_ch: DMA channel reserved by this driver for use by virtio devices.
+ * @dma_ch - Array of DMA channels
+ * @num_dma_ch - Number of DMA channels available
+ * @scdev: SCIF device on the SCIF virtual bus.
*/
struct mic_device {
struct mic_mw mmio;
@@ -129,7 +131,9 @@ struct mic_device {
struct list_head vdev_list;
struct notifier_block pm_notifier;
struct mbus_device *dma_mbdev;
- struct dma_chan *dma_ch;
+ struct dma_chan *dma_ch[MIC_MAX_DMA_CHAN];
+ int num_dma_ch;
+ struct scif_hw_dev *scdev;
};
/**
@@ -228,4 +232,5 @@ void mic_exit_debugfs(void);
void mic_prepare_suspend(struct mic_device *mdev);
void mic_complete_resume(struct mic_device *mdev);
void mic_suspend(struct mic_device *mdev);
+extern atomic_t g_num_mics;
#endif