misc: mic: Update MIC host daemon with COSM changes

This patch updates the MIC host daemon to work with corresponding
changes in COSM. Other MIC daemon fixes, cleanups and enhancements as
are also rolled into this patch. Changes to MIC sysfs ABI which go
into effect with this patch are also documented.

Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

3 files changed, 12 insertions, 5 deletions

diff --git a/drivers/misc/mic/Makefile b/drivers/misc/mic/Makefile
index a2e75f46fe4e..e288a1106738 100644
--- a/drivers/misc/mic/Makefile
+++ b/drivers/misc/mic/Makefile
@@ -2,5 +2,9 @@
 # Makefile - Intel MIC Linux driver.
 # Copyright(c) 2013, Intel Corporation.
 #
+obj-$(CONFIG_INTEL_MIC_HOST) += host/
+obj-$(CONFIG_INTEL_MIC_CARD) += card/
 obj-y += bus/
 obj-$(CONFIG_SCIF) += scif/
+obj-$(CONFIG_MIC_COSM) += cosm/
+obj-$(CONFIG_MIC_COSM) += cosm_client/
diff --git a/drivers/misc/mic/bus/scif_bus.c b/drivers/misc/mic/bus/scif_bus.c
index 2da7ceed015d..fd2702143022 100644
--- a/drivers/misc/mic/bus/scif_bus.c
+++ b/drivers/misc/mic/bus/scif_bus.c
@@ -28,7 +28,6 @@ static ssize_t device_show(struct device *d,
 
         return sprintf(buf, "0x%04x\n", dev->id.device);
 }
-
 static DEVICE_ATTR_RO(device);
 
 static ssize_t vendor_show(struct device *d,
@@ -38,7 +37,6 @@ static ssize_t vendor_show(struct device *d,
 
         return sprintf(buf, "0x%04x\n", dev->id.vendor);
 }
-
 static DEVICE_ATTR_RO(vendor);
 
 static ssize_t modalias_show(struct device *d,
@@ -49,7 +47,6 @@ static ssize_t modalias_show(struct device *d,
         return sprintf(buf, "scif:d%08Xv%08X\n",
                        dev->id.device, dev->id.vendor);
 }
-
 static DEVICE_ATTR_RO(modalias);
 
 static struct attribute *scif_dev_attrs[] = {
@@ -144,7 +141,8 @@ struct scif_hw_dev *
 scif_register_device(struct device *pdev, int id, struct dma_map_ops *dma_ops,
                      struct scif_hw_ops *hw_ops, u8 dnode, u8 snode,
                      struct mic_mw *mmio, struct mic_mw *aper, void *dp,
-                     void __iomem *rdp, struct dma_chan **chan, int num_chan)
+                     void __iomem *rdp, struct dma_chan **chan, int num_chan,
+                     bool card_rel_da)
 {
         int ret;
         struct scif_hw_dev *sdev;
@@ -171,6 +169,7 @@ scif_register_device(struct device *pdev, int id, struct dma_map_ops *dma_ops,
         dma_set_mask(&sdev->dev, DMA_BIT_MASK(64));
         sdev->dma_ch = chan;
         sdev->num_dma_ch = num_chan;
+        sdev->card_rel_da = card_rel_da;
         dev_set_name(&sdev->dev, "scif-dev%u", sdev->dnode);
         /*
          * device_register() causes the bus infrastructure to look for a
diff --git a/drivers/misc/mic/bus/scif_bus.h b/drivers/misc/mic/bus/scif_bus.h
index 335a228a8236..94f29ac608b6 100644
--- a/drivers/misc/mic/bus/scif_bus.h
+++ b/drivers/misc/mic/bus/scif_bus.h
@@ -46,6 +46,8 @@ struct scif_hw_dev_id {
  * @rdp - Remote device page
  * @dma_ch - Array of DMA channels
  * @num_dma_ch - Number of DMA channels available
+ * @card_rel_da - Set to true if DMA addresses programmed in the DMA engine
+ *              are relative to the card point of view
  */
 struct scif_hw_dev {
         struct scif_hw_ops *hw_ops;
@@ -59,6 +61,7 @@ struct scif_hw_dev {
         void __iomem *rdp;
         struct dma_chan **dma_ch;
         int num_dma_ch;
+        bool card_rel_da;
 };
 
 /**
@@ -114,7 +117,8 @@ scif_register_device(struct device *pdev, int id,
                      struct scif_hw_ops *hw_ops, u8 dnode, u8 snode,
                      struct mic_mw *mmio, struct mic_mw *aper,
                      void *dp, void __iomem *rdp,
-                     struct dma_chan **chan, int num_chan);
+                     struct dma_chan **chan, int num_chan,
+                     bool card_rel_da);
 void scif_unregister_device(struct scif_hw_dev *sdev);
 
 static inline struct scif_hw_dev *dev_to_scif(struct device *dev)