Add 16 slot buffer to interrupt handler

common/ip/MSIXIntrCtrl/component.xml

@@ -336,7 +336,7 @@
         <spirit:parameters>
           <spirit:parameter>
             <spirit:name>viewChecksum</spirit:name>
-            <spirit:value>09ee8702</spirit:value>
+            <spirit:value>801496ed</spirit:value>
           </spirit:parameter>
         </spirit:parameters>
       </spirit:view>
@@ -352,7 +352,7 @@
         <spirit:parameters>
           <spirit:parameter>
             <spirit:name>viewChecksum</spirit:name>
-            <spirit:value>a1f70f90</spirit:value>
+            <spirit:value>aec5ed73</spirit:value>
           </spirit:parameter>
         </spirit:parameters>
       </spirit:view>
@@ -903,7 +903,7 @@
       <spirit:file>
         <spirit:name>src/mkMSIXIntrCtrl.v</spirit:name>
         <spirit:fileType>verilogSource</spirit:fileType>
-        <spirit:userFileType>CHECKSUM_f42c23cf</spirit:userFileType>
+        <spirit:userFileType>CHECKSUM_a851cb3a</spirit:userFileType>
       </spirit:file>
     </spirit:fileSet>
     <spirit:fileSet>
@@ -975,7 +975,7 @@
       <xilinx:displayName>MSIXIntrCtrl</xilinx:displayName>
       <xilinx:definitionSource>package_project</xilinx:definitionSource>
       <xilinx:coreRevision>1</xilinx:coreRevision>
-      <xilinx:coreCreationDateTime>2019-03-27T13:22:48Z</xilinx:coreCreationDateTime>
+      <xilinx:coreCreationDateTime>2019-03-27T16:28:40Z</xilinx:coreCreationDateTime>
       <xilinx:tags>
         <xilinx:tag xilinx:name="nopcore"/>
       </xilinx:tags>
@@ -984,7 +984,7 @@
       <xilinx:xilinxVersion>2018.3</xilinx:xilinxVersion>
       <xilinx:checksum xilinx:scope="busInterfaces" xilinx:value="005537d1"/>
       <xilinx:checksum xilinx:scope="memoryMaps" xilinx:value="ce939530"/>
-      <xilinx:checksum xilinx:scope="fileGroups" xilinx:value="628e2b97"/>
+      <xilinx:checksum xilinx:scope="fileGroups" xilinx:value="06ce6604"/>
       <xilinx:checksum xilinx:scope="ports" xilinx:value="9334f89d"/>
       <xilinx:checksum xilinx:scope="parameters" xilinx:value="4ff74fe2"/>
     </xilinx:packagingInfo>

tlkm/dma/blue_dma.c

@@ -39,16 +39,22 @@
 irqreturn_t blue_dma_intr_handler_read(int irq, void * dev_id)
 {
 	struct dma_engine *dma = (struct dma_engine *)dev_id;
+	struct platform *p = &dma->dev->cls->platform;
+	volatile uint32_t* msix_ack = (volatile uint32_t*) (dma->dev->mmap.plat + ((0x500000 + 0x8120) - p->plat.base));
 	atomic64_inc(&dma->rq_processed);
 	wake_up_interruptible(&dma->rq);
+	msix_ack[0] = 0;
 	return IRQ_HANDLED;
 }
 
 irqreturn_t blue_dma_intr_handler_write(int irq, void * dev_id)
 {
 	struct dma_engine *dma = (struct dma_engine *)dev_id;
+	struct platform *p = &dma->dev->cls->platform;
+	volatile uint32_t* msix_ack = (volatile uint32_t*) (dma->dev->mmap.plat + ((0x500000 + 0x8120) - p->plat.base));
 	atomic64_inc(&dma->wq_processed);
 	wake_up_interruptible(&dma->wq);
+	msix_ack[0] = 1;
 	return IRQ_HANDLED;
 }
 

tlkm/dma/tlkm_dma.h

@@ -40,8 +40,8 @@ struct dma_operations {
 };
 
 // Currently any chunk size smaller than 2 MB will result in failures due to missing interrupts
-#define TLKM_DMA_CHUNK_SZ         (size_t)(2 * 1024 * 1024)   // 2 MiB
-#define TLKM_DMA_CHUNKS           (4)
+#define TLKM_DMA_CHUNK_SZ         (size_t)(256 * 1024)   // 2 MiB
+#define TLKM_DMA_CHUNKS           (16)
 
 struct dma_engine {
     dev_id_t            dev_id;